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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Cdkn1atm1Tyj
targeted mutation 1, Tyler Jacks
MGI:1933751
Summary 27 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Cdkn1atm1Tyj/Cdkn1atm1Tyj B6;129S2-Cdkn1atm1Tyj/J MGI:3699911
hm2
Cdkn1atm1Tyj/Cdkn1atm1Tyj involves: 129S1/SvImJ * 129S2/SvPas * 129S4/SvJae * 129S6/SvEvTac * C57BL/6 MGI:5749465
hm3
Cdkn1atm1Tyj/Cdkn1atm1Tyj involves: 129S1/SvImJ * 129S2/SvPas * C57BL/6J MGI:4420543
hm4
Cdkn1atm1Tyj/Cdkn1atm1Tyj involves: 129S2/SvPas MGI:2175758
hm5
Cdkn1atm1Tyj/Cdkn1atm1Tyj involves: 129S2/SvPas * C57BL/6 MGI:3706343
hm6
Cdkn1atm1Tyj/Cdkn1atm1Tyj involves: 129/Sv * 129S2/SvPas * C57BL/6 MGI:4420541
ht7
Cdkn1atm1Tyj/Cdkn1a+ involves: 129S1/SvImJ * 129S2/SvPas * C57BL/6J MGI:4420544
cn8
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Csnk1a1tm1.1Ybn/Csnk1a1tm1.1Ybn
Tg(Vil1-cre/ERT2)23Syr/0
involves: 129 * C57BL/6 * CD-1 * DBA/2 MGI:5543696
cn9
Brca1tm2Mak/Brca1tm2Mak
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Tg(Lck-cre)548Jxm/?
involves: 129P2/OlaHsd * C57BL/6 * CBA MGI:3834732
cn10
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Ptentm1Hwu/Ptentm1Hwu
Tg(Fabp1-cre)1Jig/0
involves: 129S2/SvPas * 129S4/SvJae * FVB/N MGI:4844100
cn11
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Itgb1tm1Mll/Itgb1tm1Mll
Tg(Wap-cre)1Gsc/0
involves: 129S2/SvPas * 129X1/SvJ * C57BL/6 * FVB/N MGI:3706341
cx12
Apoetm1Unc/Apoetm1Unc
Cdkn1atm1Tyj/Cdkn1atm1Tyj
B6.129-Apoetm1Unc Cdkn1atm1Tyj MGI:4420802
cx13
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Gadd45atm1Ajf/Gadd45atm1Ajf
either: (involves: 129P2/OlaHsd) or (involves: 129X1/SvJ) MGI:4420763
cx14
Brca1tm1Mak/Brca1tm1Mak
Cdkn1atm1Tyj/Cdkn1atm1Tyj
involves: 129P2/OlaHsd * 129S2/SvPas MGI:4420437
cx15
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Cdkn2dtm1Maro/Cdkn2dtm1Maro
involves: 129P2/OlaHsd * 129S2/SvPas * 129X1/SvJ * C57BL/6 * CD-1 MGI:4420894
cx16
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Cdkn1btm1Ako/Cdkn1btm1Ako
involves: 129S1/Sv * 129S2/SvPas MGI:4420547
cx17
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Gata1tm1.1Yen/Gata1tm1.1Yen
involves: 129S1/Sv * 129S2/SvPas * 129X1/SvJ * C57BL/6 * FVB/N MGI:5522831
cx18
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Zfpm2tm1.1Esv/Zfpm2tm1.1Esv
involves: 129S1/SvImJ * 129S2/SvPas * 129S4/SvJae * 129S6/SvEvTac * C57BL/6 MGI:5749463
cx19
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Rb1tm1Tyj/Rb1+
Tg(Rb1)1Blg/0
involves: 129S2/SvPas MGI:4420467
cx20
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Rb1tm1Tyj/Rb1tm1Tyj
Tg(Rb1)1Blg/0
involves: 129S2/SvPas MGI:4420466
cx21
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Foxk1tm1Djg/Foxk1tm1Djg
involves: 129S2/SvPas * 129S4/SvJae MGI:3655091
cx22
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Cdkn1btm1Mlf/Cdkn1btm1Mlf
involves: 129S2/SvPas * 129S4/SvJaeSor MGI:4420782
cx23
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Palb2tm1.2Dli/Palb2tm1.2Dli
involves: 129S2/SvPas * 129S4/SvJaeSor * BALB/cJ * C57BL/6 MGI:5495976
cx24
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Fahtm1Mgo/Fahtm1Mgo
involves: 129S2/SvPas * 129S7/SvEvBrd * C57BL/6 MGI:4420927
cx25
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Mir34atm1.1Lhe/Mir34atm1.1Lhe
involves: 129S2/SvPas * C57BL/6 * C57BL/6J MGI:5308802
cx26
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Tg(MMTV-vHaras)SH1Led/0
involves: 129S2/SvPas * C57BL/6J * CD-1 * FVB/N MGI:3706374
cx27
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Cdkn2atm1Rdp/Cdkn2atm1Rdp
involves: 129/Sv * 129S2/SvPas * C57BL/6 * C57BL/6J * SJL MGI:4420540


Genotype
MGI:3699911
hm1
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Genetic
Background
B6;129S2-Cdkn1atm1Tyj/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• in a serum transfer model of inflammatory arthritis, fewer macrophages are recruited to the site of inflammation compared to in similarly treated wild-type mice
• following intraperitoneal thioglycollate injection, fewer macrophages are recruited into the peritoneum compared to in similarly treated wild-type mice
• however, in vitro migration of bone marrow derived macrophages is normal in response to several chemoattractants
• circulating inflammatory monocytes are reduced compared to in wild-type mice
• in a serum transfer model of inflammatory arthritis, mice exhibit no inflammation, lower histological scores, and reduced macrophage infiltration compared with similarly treated wild-type mice
• however, adoptive transfer of wild-type bone marrow restores susceptibility to induced arthritis

hematopoietic system
• in a serum transfer model of inflammatory arthritis, fewer macrophages are recruited to the site of inflammation compared to in similarly treated wild-type mice
• following intraperitoneal thioglycollate injection, fewer macrophages are recruited into the peritoneum compared to in similarly treated wild-type mice
• however, in vitro migration of bone marrow derived macrophages is normal in response to several chemoattractants
• fewer monocyte precursors are found within the bone marrow compared to in wild-type mice
• circulating inflammatory monocytes are reduced compared to in wild-type mice

skeleton
• in a serum transfer model of inflammatory arthritis, mice exhibit no inflammation, lower histological scores, and reduced macrophage infiltration compared with similarly treated wild-type mice
• however, adoptive transfer of wild-type bone marrow restores susceptibility to induced arthritis

cellular
• in a serum transfer model of inflammatory arthritis, fewer macrophages are recruited to the site of inflammation compared to in similarly treated wild-type mice
• following intraperitoneal thioglycollate injection, fewer macrophages are recruited into the peritoneum compared to in similarly treated wild-type mice
• however, in vitro migration of bone marrow derived macrophages is normal in response to several chemoattractants

hearing/vestibular/ear
N
• contrary to expectation, homozygotes display a normal inner ear morphology relative to wild-type mice
• at E16.5, E18.5, P2 and 2 months of age, no significant differences in the cytoarchitecture of vestibular and auditory sensory epithelia or aberrant mitoses in developing hair cells are observed

cardiovascular system
N
• at birth, homozygotes display normal heart histology, with no signs of overproliferation or thickening of the ventricular wall




Genotype
MGI:5749465
hm2
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Genetic
Background
involves: 129S1/SvImJ * 129S2/SvPas * 129S4/SvJae * 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
N
• at P0, homozygotes display normal left ventricular function relative to wild-type controls, as determined by chamber dimensions and fractional shortening




Genotype
MGI:4420543
hm3
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Genetic
Background
involves: 129S1/SvImJ * 129S2/SvPas * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• irradiated mice develop 2.7-fold more metastatic tumors than similarly treated heterozygous mice
• irradiated mice develop multiple malignant tumors per mouse unlike similarly treated wild-type mice
• irradiated mice develop more tumors per mouse, 2.2-fold more benign tumors, multiple malignant tumors per mouse, and a broader spectrum of tumors than similarly treated wild-type mice
• irradiated mice develop 2.7-fold more metastatic tumors than similarly treated heterozygous mice
• however, the latency to tumor development and the percent of mice bearing tumors is normal




Genotype
MGI:2175758
hm4
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Genetic
Background
involves: 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• mice receiving serially transplanted bone marrow exhibit decreased survival compared with mice receiving similarly treated wild-type bone marrow
• 5-fluorouracil-treated mice exhibit reduced survival compared with similarly treated wild-type mice
• when bone marrow is used to repopulate irradiated mice that are subsequently treated with 5-FU mice exhibit decreased survival compared with mice repopulated with wild-type bone marrow

digestive/alimentary system
• the total area of the periodontal junctional epithelium and connective tissue islands is larger than in wild-type mice

homeostasis/metabolism
• STZ-treated mice exhibit an increase in tubular DNA synthesis compared to similarly treated wild-type mice
• 5-fluorouracil-treated mice exhibit reduced survival compared with similarly treated wild-type mice
• when bone marrow is used to repopulate irradiated mice that are subsequently treated with 5-FU mice exhibit decreased survival compared with mice repopulated with wild-type bone marrow
• streptozotocin (STZ)-treated mice fail to exhibit proteinuria, glomerular hypertrophy, and an increase in glomerular matrix unlike similarly treated wild-type mice
• 1 week after mid-cerebral artery occlusion (MCAO), proliferation of neural precursor, neural precursor cell numbers, and the number of differentiated neurons are increased compared to in similarly treated wild-type mice
• however, proliferation reverts to baseline 2 weeks after MCAO

cellular
• mutant MEFs are more sensitive to etoposide, adriamycin, or cisplatin induced apoptosis than wild-type MEFs
• MEFs are highly sensitive to UV-induced apoptosis
• 1 week after mid-cerebral artery occlusion (MCAO), proliferation of neural precursor is increased compared to in similarly treated wild-type mice
• however, proliferation reverts to baseline 2 weeks after MCAO
• in mouse embryonic cells
• STZ-treated mice exhibit an increase in tubular DNA synthesis compared to similarly treated wild-type mice

hematopoietic system
• under homeostatic condition due to increased stem cell proliferation
• under homeostatic condition, hematopoietic stem cell proliferation is increased compared to in wild-type mice
• following repeated transplantation, self-renewal of primitive hematopoietic cells is impaired and leads to hematopoietic failure due to stem cell exhaustion unlike when wild-type bone marrow is used
• however, bone marrow cell homing is normal in serial transplantation experiments

nervous system
• 1 week after mid-cerebral artery occlusion (MCAO), proliferation of neural precursor is increased compared to in similarly treated wild-type mice
• however, proliferation reverts to baseline 2 weeks after MCAO
• 1 week after mid-cerebral artery occlusion (MCAO), proliferation of neural precursor, neural precursor cell numbers, and the number of differentiated neurons are increased compared to in similarly treated wild-type mice
• however, proliferation reverts to baseline 2 weeks after MCAO
• following mid-cerebral artery occlusion
• following mid-cerebral artery occlusion

adipose tissue
• 38% compared to in wild-type mice
• the number of adipocytes in the parametrial fat pad is increased 1.7-fold compared to in wild-type mice
• adipocyte hyperplasia is observed in small, medium, and large adipocytes
• the number of small adipocytes is increased 1.7-fold compared to in wild-type mice
• 90% at 130 days compared to in wild-type mice

growth/size/body
• the total area of the periodontal junctional epithelium and connective tissue islands is larger than in wild-type mice
• at 60 to 120 days
• 18% compared to in wild-type mice

renal/urinary system
• 18% compared to in wild-type mice

craniofacial
• the total area of the periodontal junctional epithelium and connective tissue islands is larger than in wild-type mice

endocrine/exocrine glands
• prostate gland dorsolateral lobe DNA content is decreased 67% compared to in wild-type mice
• prostate gland dorsolateral lobe weight is decreased 59% compared to in wild-type mice
• 27% compared to in wild-type mice

reproductive system
• prostate gland dorsolateral lobe DNA content is decreased 67% compared to in wild-type mice
• prostate gland dorsolateral lobe weight is decreased 59% compared to in wild-type mice
• 27% compared to in wild-type mice




Genotype
MGI:3706343
hm5
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Genetic
Background
involves: 129S2/SvPas * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• irradiated mice survive longer than similarly treated wild-type mice
• irradiated mice do not die from glomerulonephritis
• mice exhibit premature death mostly due to glomerulonephritis and tumorigenesis (J:70894)
• reduced viability is more pronounced in female mice compared to in wild-type mice (J:70894)
• however, irradiated mice do not die from glomerulonephritis (J:70894)
• female, but not male, mice exhibit age-dependent increase in premature death compared with wild-type mice (J:60292)

reproductive system
• 1 Leydig cell adenoma and 1 malignant Leydig cell tumor with lung metastasis in 65 mice

immune system
N
• B cell proliferation is normal
• CD4+ T cell proliferation under conditions of sustained IL2 stimulation is increased compared with similarly treated wild-type cells
• CD4+CD44high T cells from male mice stimulated with IL2 exhibit increased proliferation compared with wild-type cells
• however, proliferation following initial activation and apoptosis levels are normal
• in 5 of 22 irradiated mice compared with 7 of 16 irradiated wild-type mice
• following irradiation, thymic lymphomas exhibit an increase in apoptosis compared to in wild-type mice
• in female, but not male, mice at 9 months
• in female, but not male, mice
• in female, but not male, mice
• at 9 months, mice exhibit an increase in the proportion of B cells in the lymph node compared to in wild-type mice
• at 4 and 9 months, mice exhibit an accumulation of memory/effector CD4+CD44high T cells in the spleen compared to in wild-type mice
• female mice exhibit a greater increase than male mice
• at 4 and 9 months, mice exhibit an accumulation of memory/effector CD4+CD44high T cells in the spleen compared to in wild-type mice
• female mice exhibit a greater increase than male mice
• at 9 to 12 months in male and female mice
• at 6 to 7 months, female mice exhibit a moderate increase in lymph node size compared with wild-type mice
• at 9 months, females and males exhibit dramatic and moderate, respectively, increases in lymph node size and weight compared to in wild-type mice
• cervical lymph node weight is increased in male and female mice compared to in wild-type mice
• female, but not male, mice exhibit a loss of tolerance towards nuclear antigens unlike in wild-type mice
• at 4 months in female, but not male, mice
• at 9 to 12 months in male and female mice
• older female, but not male, mice exhibit increased levels of IgG2a and IgG3 antibodies against dsDNA compared with wild-type mice
• at 9 to 12 months in male and female mice
• in 60% of female mice at an average age of 9.6 months (J:70894)
• in 26% of male mice at an average age of 13.2 months (J:70894)
• age-dependent and severe in female, but not male, mice (J:60292)

respiratory system

neoplasm
• only one third of irradiated mice develop tumors (5 T cell lymphomas, 1 hemangiosarcoma, and 1 pituitary carcinoma in 22 mice) compared with 100% of similarly treated wild-type mice
• mice exhibit an increased incidence of tumor with an average lifespan of 16 months
• in 5 of 22 irradiated mice compared with 7 of 16 irradiated wild-type mice
• 1 Leydig cell adenoma and 1 malignant Leydig cell tumor with lung metastasis in 65 mice
• treatment with the chemical carcinogen, urethane, results in accelerated tumor onset and increased tumor multiplicity compared to controls; tumors are predominantly lung tumors
• in 2 of 65 mice (one keratoachantoma and one sebaceous gland adenoma)
• 1 in 22 irradiated mice develop pituitary carcinoma unlike irradiated wild-type mice
• in 14 of 65 mice
• in 1 of 22 irradiated mice compared with 3 of 16 irradiated wild-type mice
• 1 in 65 mice developed an urinary bladder tumor

renal/urinary system
• in female, but not male, mice
• in 60% of female mice at an average age of 9.6 months (J:70894)
• in 26% of male mice at an average age of 13.2 months (J:70894)
• age-dependent and severe in female, but not male, mice (J:60292)
• 1 in 65 mice developed an urinary bladder tumor
• in 60% of female mice at an average age of 9.6 months
• in 26% of male mice at an average age of 13.2 months

homeostasis/metabolism
• in female, but not male, mice
• irradiated mice survive longer than similarly treated wild-type mice
• irradiated mice do not die from glomerulonephritis
• treatment with the chemical carcinogen, urethane, results in accelerated tumor onset and increased tumor multiplicity compared to controls; tumors are predominantly lung tumors

hematopoietic system
• CD4+ T cell proliferation under conditions of sustained IL2 stimulation is increased compared with similarly treated wild-type cells
• CD4+CD44high T cells from male mice stimulated with IL2 exhibit increased proliferation compared with wild-type cells
• however, proliferation following initial activation and apoptosis levels are normal
• in 5 of 22 irradiated mice compared with 7 of 16 irradiated wild-type mice
• following irradiation, thymic lymphomas exhibit an increase in apoptosis compared to in wild-type mice
• in female, but not male, mice at 9 months
• in female, but not male, mice
• in female, but not male, mice
• at 9 months, mice exhibit an increase in the proportion of B cells in the lymph node compared to in wild-type mice
• at 4 and 9 months, mice exhibit an accumulation of memory/effector CD4+CD44high T cells in the spleen compared to in wild-type mice
• female mice exhibit a greater increase than male mice
• at 4 and 9 months, mice exhibit an accumulation of memory/effector CD4+CD44high T cells in the spleen compared to in wild-type mice
• female mice exhibit a greater increase than male mice
• at 9 to 12 months in male and female mice

cellular
• following irradiation, thymic lymphomas exhibit an increase in apoptosis compared to in wild-type mice
• CD4+ T cell proliferation under conditions of sustained IL2 stimulation is increased compared with similarly treated wild-type cells
• CD4+CD44high T cells from male mice stimulated with IL2 exhibit increased proliferation compared with wild-type cells
• however, proliferation following initial activation and apoptosis levels are normal

integument
• following ionizing radiation treatment, arrested cell growth in the epidermis is abrogated compared to in similarly treated wild-type mice
• in 2 of 65 mice (one keratoachantoma and one sebaceous gland adenoma)

endocrine/exocrine glands
• in 5 of 22 irradiated mice compared with 7 of 16 irradiated wild-type mice
• 1 Leydig cell adenoma and 1 malignant Leydig cell tumor with lung metastasis in 65 mice
• following irradiation, thymic lymphomas exhibit an increase in apoptosis compared to in wild-type mice

growth/size/body
• in female, but not male, mice at 9 months
• in female, but not male, mice
• in female, but not male, mice




Genotype
MGI:4420541
hm6
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Genetic
Background
involves: 129/Sv * 129S2/SvPas * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• vHaras-induced foci formation in primary keratinocytes is increased compared with similarly treated wild-type cells indicating increased tumorgenicity
• age-related senescence in the epidermis in vivo is moderately decreased compared to in wild-type mice

neoplasm
• 1 of 6 nude mice transplanted with keratinocytes infected with a vHaras-expressing retrovirus develop well differentiated SCCs unlike nude mice receiving similarly treated wild-type cells

integument
• age-related senescence in the epidermis in vivo is moderately decreased compared to in wild-type mice
• vHaras-induced foci formation in primary keratinocytes is increased compared with similarly treated wild-type cells indicating increased tumorgenicity




Genotype
MGI:4420544
ht7
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1a+
Genetic
Background
involves: 129S1/SvImJ * 129S2/SvPas * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• irradiated mice develop multiple malignant tumors per mouse unlike similarly treated wild-type mice
• irradiated mice develop more tumors per mouse, 2.2-fold more benign tumors, multiple malignant tumors per mouse, and a broader spectrum of tumors than similarly treated wild-type mice
• however, the latency to tumor development and the percent of mice bearing tumors is normal




Genotype
MGI:5543696
cn8
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Csnk1a1tm1.1Ybn/Csnk1a1tm1.1Ybn
Tg(Vil1-cre/ERT2)23Syr/0
Genetic
Background
involves: 129 * C57BL/6 * CD-1 * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Csnk1a1tm1.1Ybn mutation (1 available); any Csnk1a1 mutation (38 available)
Tg(Vil1-cre/ERT2)23Syr mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• tamoxifen-treated mice exhibit severe dysplasia and intramucosal carcinomas throughout the small bowel

digestive/alimentary system
• massive proliferation in the villi compartment in tamoxifen-treated mice

cellular
• massive proliferation in the villi compartment in tamoxifen-treated mice




Genotype
MGI:3834732
cn9
Allelic
Composition
Brca1tm2Mak/Brca1tm2Mak
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Tg(Lck-cre)548Jxm/?
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca1tm2Mak mutation (1 available); any Brca1 mutation (114 available)
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Tg(Lck-cre)548Jxm mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
N
• T cell numbers in lymph nodes are more nearly normal

hematopoietic system

endocrine/exocrine glands




Genotype
MGI:4844100
cn10
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Ptentm1Hwu/Ptentm1Hwu
Tg(Fabp1-cre)1Jig/0
Genetic
Background
involves: 129S2/SvPas * 129S4/SvJae * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Ptentm1Hwu mutation (16 available); any Pten mutation (88 available)
Tg(Fabp1-cre)1Jig mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
renal/urinary system
• bladder urothelium exhibits increased cell proliferation

neoplasm




Genotype
MGI:3706341
cn11
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Itgb1tm1Mll/Itgb1tm1Mll
Tg(Wap-cre)1Gsc/0
Genetic
Background
involves: 129S2/SvPas * 129X1/SvJ * C57BL/6 * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Itgb1tm1Mll mutation (1 available); any Itgb1 mutation (60 available)
Tg(Wap-cre)1Gsc mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
endocrine/exocrine glands
• mutants show a decrease in cell proliferation in mammary glands compared to wild-type, however they show a significant increase in cell proliferation compared to the conditional Itgb1 mutant glands, which represents a partial, 55%, reversion of the phenotype

integument
• mutants show a decrease in cell proliferation in mammary glands compared to wild-type, however they show a significant increase in cell proliferation compared to the conditional Itgb1 mutant glands, which represents a partial, 55%, reversion of the phenotype




Genotype
MGI:4420802
cx12
Allelic
Composition
Apoetm1Unc/Apoetm1Unc
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Genetic
Background
B6.129-Apoetm1Unc Cdkn1atm1Tyj
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Apoetm1Unc mutation (33 available); any Apoe mutation (158 available)
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• angiotensin II-treated mice exhibit less of an increase in mortality compared with similarly treated Apoetm1Unc homozygotes

cardiovascular system
• angiotensin II-treated mice exhibit a smaller increase in plaque area, plaque grade, aortic aneurysms, atheroma, and mortality but an increase in proliferation of vascular smooth muscle cells compared with similarly treated Apoetm1Unc homozygotes
• treatment with angiotensin II induces less vascular smooth muscle cell senescence and more proliferation compared to in similarly treated Apoetm1Unc homozygotes
• treatment with angiotensin II induces more vascular smooth muscle proliferation compared to in similarly treated Apoetm1Unc homozygotes

homeostasis/metabolism
• angiotensin II-treated mice exhibit a smaller increase in plaque area, plaque grade, aortic aneurysms, atheroma, and mortality but an increase in proliferation and decrease in senescence of vascular smooth muscle cells compared with similarly treated Apoetm1Unc homozygotes

cellular
• treatment with angiotensin II induces more vascular smooth muscle proliferation compared to in similarly treated Apoetm1Unc homozygotes
• treatment with angiotensin II induces less vascular smooth muscle cell senescence compared to in similarly treated Apoetm1Unc homozygotes

muscle
• treatment with angiotensin II induces less vascular smooth muscle cell senescence and more proliferation compared to in similarly treated Apoetm1Unc homozygotes
• treatment with angiotensin II induces more vascular smooth muscle proliferation compared to in similarly treated Apoetm1Unc homozygotes




Genotype
MGI:4420763
cx13
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Gadd45atm1Ajf/Gadd45atm1Ajf
Genetic
Background
either: (involves: 129P2/OlaHsd) or (involves: 129X1/SvJ)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Gadd45atm1Ajf mutation (2 available); any Gadd45a mutation (15 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• UV-irradiated keratinocytes do not undergo apoptosis unlike keratinocytes from Gadd45atm1Ajf homozygotes

homeostasis/metabolism
N
• UV-irradiated keratinocytes exhibit normal nucleotide excision repair




Genotype
MGI:4420437
cx14
Allelic
Composition
Brca1tm1Mak/Brca1tm1Mak
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Genetic
Background
involves: 129P2/OlaHsd * 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca1tm1Mak mutation (0 available); any Brca1 mutation (114 available)
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging




Genotype
MGI:4420894
cx15
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Cdkn2dtm1Maro/Cdkn2dtm1Maro
Genetic
Background
involves: 129P2/OlaHsd * 129S2/SvPas * 129X1/SvJ * C57BL/6 * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Cdkn2dtm1Maro mutation (1 available); any Cdkn2d mutation (25 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hearing/vestibular/ear
• loss of hair cells is more severe than in Cdkn2dtm1Maro homozygotes
• however, vestibular hair cells are not lost
• at P5, mice exhibit a 5% loss of outer hair cells by apoptosis
• at 2 months, mice exhibit a 87% loss of outer hair cells overall, a 62% loss in the basal region, and a 26% loss in the apical region
• mice exhibit a transient increase in hair cells
• inner nuclear hair cells exhibit abnormal nuclear morphology with a low frequency of polyploidy unlike in wild-type mice
• at P5, mice exhibit a 2.5% loss of inner hair cells by apoptosis
• at 2 months, mice exhibit a 66% loss of inner hair cells overall, a 64% loss in the basal region, and a 26% loss in the apical region
• at P3 and P6, auditory hair cells exhibit increased proliferation as measured by S-phase reentry compared to in Cdkn2dtm1Maro homozyogtes
• proliferation of hair cells increases by P6 but drops off after P10
• increased hair cell proliferation is followed by DNA damage and apoptosis

cellular
• inner nuclear hair cells exhibit abnormal nuclear morphology with a low frequency of polyploidy unlike in wild-type mice

nervous system
• loss of hair cells is more severe than in Cdkn2dtm1Maro homozygotes
• however, vestibular hair cells are not lost
• at P5, mice exhibit a 2.5% loss of inner hair cells by apoptosis
• at 2 months, mice exhibit a 66% loss of inner hair cells overall, a 64% loss in the basal region, and a 26% loss in the apical region
• at P5, mice exhibit a 5% loss of outer hair cells by apoptosis
• at 2 months, mice exhibit a 87% loss of outer hair cells overall, a 62% loss in the basal region, and a 26% loss in the apical region
• mice exhibit a transient increase in hair cells
• inner nuclear hair cells exhibit abnormal nuclear morphology with a low frequency of polyploidy unlike in wild-type mice
• at P3 and P6, auditory hair cells exhibit increased proliferation as measured by S-phase reentry compared to in Cdkn2dtm1Maro homozyogtes
• proliferation of hair cells increases by P6 but drops off after P10
• increased hair cell proliferation is followed by DNA damage and apoptosis




Genotype
MGI:4420547
cx16
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Cdkn1btm1Ako/Cdkn1btm1Ako
Genetic
Background
involves: 129S1/Sv * 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Cdkn1btm1Ako mutation (0 available); any Cdkn1b mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• the total area of the periodontal junctional epithelium and connective tissue islands is larger than in wild-type or single heterozygous mice
• the total area of connective tissue islands in the junctional epithelium is larger than in wild-type and heterozygous mice
• the number of proliferating cells in the junctional epithelium is increased compared to in wild-type or single heterozygous mice

adipose tissue
• 142% compared to in wild-type mice
• the number of adipocytes in the parametrial fat pad is increased 6.1-fold compared to in wild-type mice
• adipocyte hyperplasia is observed in small, medium, and large adipocytes
• the number of small adipocytes is increased 9.5-fold compared to in wild-type mice
• 500% at 130 days compared to in wild-type mice

behavior/neurological
• from 30 to 120 days, mice consume 40% more food than wild-type mice
• however, feed consumption per gram of lean body weight is normal

growth/size/body
• the total area of the periodontal junctional epithelium and connective tissue islands is larger than in wild-type or single heterozygous mice
• the total area of connective tissue islands in the junctional epithelium is larger than in wild-type and heterozygous mice
• the number of proliferating cells in the junctional epithelium is increased compared to in wild-type or single heterozygous mice
• 24% at 120 days compared to in wild-type mice
• at 60 to 120 days compared with wild-type and single homozygous mice (J:118516)
• 105% compared to in wild-type mice

homeostasis/metabolism

liver/biliary system

nervous system

renal/urinary system
• 105% compared to in wild-type mice

craniofacial
• the total area of the periodontal junctional epithelium and connective tissue islands is larger than in wild-type or single heterozygous mice
• the total area of connective tissue islands in the junctional epithelium is larger than in wild-type and heterozygous mice
• the number of proliferating cells in the junctional epithelium is increased compared to in wild-type or single heterozygous mice

endocrine/exocrine glands
• prostate gland anterior lobe weight is decreased 68% compared to in wild-type mice
• prostate gland dorsolateral lobe weight is decreased 68% compared to in wild-type mice
• prostate gland ventral lobe weight is decreased 60% compared to in wild-type mice
• 75% compared to in wild-type mice

reproductive system
• prostate gland anterior lobe weight is decreased 68% compared to in wild-type mice
• prostate gland dorsolateral lobe weight is decreased 68% compared to in wild-type mice
• prostate gland ventral lobe weight is decreased 60% compared to in wild-type mice
• 75% compared to in wild-type mice




Genotype
MGI:5522831
cx17
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Gata1tm1.1Yen/Gata1tm1.1Yen
Genetic
Background
involves: 129S1/Sv * 129S2/SvPas * 129X1/SvJ * C57BL/6 * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Gata1tm1.1Yen mutation (0 available); any Gata1 mutation (45 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
N
• the number of colony forming erythroid cells is rescued




Genotype
MGI:5749463
cx18
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Zfpm2tm1.1Esv/Zfpm2tm1.1Esv
Genetic
Background
involves: 129S1/SvImJ * 129S2/SvPas * 129S4/SvJae * 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Zfpm2tm1.1Esv mutation (0 available); any Zfpm2 mutation (47 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
muscle
• at birth, double homozygotes display a significantly thicker myocardial compact zone than single Zfpm2tm1.1Esv homozygotes; however, left ventricular wall thickness is still not completely normal

mortality/aging
• double homozygotes die by P14, possibly due to septal defects

cardiovascular system
• at birth, double homozygotes display a significantly thicker myocardial compact zone than single Zfpm2tm1.1Esv homozygotes; however, left ventricular wall thickness is still not completely normal
• atrial septal defects are still present at P0
• ventricular septal defects are still present at P0
• at birth, double homozygotes show only a modest 26.8 +/- 3.2% rescue of left ventricular wall thickness relative to wild-type controls
• however, left ventricular fractional shortening is preserved, indicating that increased wall thickness improves left ventricular function
• at P0, echocardiographic M-mode tracings revealed a slight increase in left ventricular end diastolic dimension (LVEDD) relative to wild-type controls, suggesting that mutant hearts are starting to dilate and fail




Genotype
MGI:4420467
cx19
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Rb1tm1Tyj/Rb1+
Tg(Rb1)1Blg/0
Genetic
Background
involves: 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Rb1tm1Tyj mutation (5 available); any Rb1 mutation (111 available)
Tg(Rb1)1Blg mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton




Genotype
MGI:4420466
cx20
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Rb1tm1Tyj/Rb1tm1Tyj
Tg(Rb1)1Blg/0
Genetic
Background
involves: 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Rb1tm1Tyj mutation (5 available); any Rb1 mutation (111 available)
Tg(Rb1)1Blg mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• less developed in some mice
• in some mice
• compared with Rb1tm1Tyj/Rb1tm1Tyj Tg(Rb1)1Blg mice
• at E16.5, the scapula is brittle and perforated with unclear boundaries between bone and cartilage compared to in heterozygous mice
• at E17.5, ribs join the sternim at a 90 degree angle unlike in Rb1tm1Tyj/Rb1tm1Tyj Tg(Rb1)1Blg mice

muscle
• at E16.5, myotomes undergo nuclei catastrophe and exhibit increased apoptosis compared to in single homozygotes
• at E16.5 to E18.5, myotubes exhibit increased nuclear content compared with wild-type myotubes
• at E16.5, myotubes are shorter and more disorganize than in single homozygotes
• at E16.5, skeletal muscle exhibit an increase in apoptosis compared with Cdkn1atm1Tyj/Cdkn1a+ Rb1tm1Tyj/Rb1tm1Tyj Tg(Rb1)1Blg mice

behavior/neurological
• more severe than in Rb1tm1Tyj/Rb1tm1Tyj Tg(Rb1)1Blg mice
• more severe than in Rb1tm1Tyj/Rb1tm1Tyj Tg(Rb1)1Blg mice

cardiovascular system
• at E18.5, embryos exhibit patches of hemorrhage unlike wild-type mice

cellular
• at E16.5 to E18.5, myotubes exhibit increased nuclear content compared with wild-type myotubes

limbs/digits/tail
• less developed in some mice
• in some mice




Genotype
MGI:3655091
cx21
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Foxk1tm1Djg/Foxk1tm1Djg
Genetic
Background
involves: 129S2/SvPas * 129S4/SvJae
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Foxk1tm1Djg mutation (0 available); any Foxk1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
N
• G0/G1 arrest of cell cycle is prevented

growth/size/body
N
• growth retardation is prevented
• there is no significant size difference from controls

muscle
N
• no impairment in skeletal muscle regeneration is observed




Genotype
MGI:4420782
cx22
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Cdkn1btm1Mlf/Cdkn1btm1Mlf
Genetic
Background
involves: 129S2/SvPas * 129S4/SvJaeSor
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Cdkn1btm1Mlf mutation (2 available); any Cdkn1b mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• following small bowel resection (SBR), mice fail to exhibit an increase in enterocyte proliferation unlike similarly treated wild-type mice
• following small bowel resection (SBR), mice fail to exhibit an increase in crypt depth unlike similarly treated wild-type mice
• following small bowel resection (SBR), mice fail to exhibit an increase in ileal weight unlike similarly treated wild-type mice
• following small bowel resection (SBR), mice fail to exhibit an increase in villus height unlike similarly treated wild-type mice

homeostasis/metabolism
• following small bowel resection (SBR), mice fail to exhibit an increase in ileal weight, villus height, crypt depth, or enterocyte proliferation unlike similarly treated wild-type mice
• however, increase in enterocyte apoptosis following SBR is normal

endocrine/exocrine glands
• following small bowel resection (SBR), mice fail to exhibit an increase in crypt depth unlike similarly treated wild-type mice

cellular
• following small bowel resection (SBR), mice fail to exhibit an increase in enterocyte proliferation unlike similarly treated wild-type mice




Genotype
MGI:5495976
cx23
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Palb2tm1.2Dli/Palb2tm1.2Dli
Genetic
Background
involves: 129S2/SvPas * 129S4/SvJaeSor * BALB/cJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Palb2tm1.2Dli mutation (0 available); any Palb2 mutation (50 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• lethality observed in Palb2tm1.2Dli homozygotes is delayed 2 to 3 days

growth/size/body

embryo
• multiple malformations




Genotype
MGI:4420927
cx24
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Fahtm1Mgo/Fahtm1Mgo
Genetic
Background
involves: 129S2/SvPas * 129S7/SvEvBrd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Fahtm1Mgo mutation (0 available); any Fah mutation (38 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
N
• mice survive NTBC withdrawal unlike similarly treated Fahtm1Mgo homozygotes

neoplasm
• 7 to 8 weeks following NTBC withdrawal and 8 weeks following low-dose NTBC treatment, mice develop hepatocellular carcinomas unlike similarly treated Fahtm1Mgo homozygotes
• tumors that develop following treatment with low-dose NTBC are smaller and fewer than those in mice following complete withdrawal of NTBC
• in 80% of mice 12 weeks after NTBC withdrawal

liver/biliary system
• following NTBC withdrawal, hepactocytes are dysplastic with increased DNA damage compared with cells from similarly treated Fahtm1Mgo homozygotes
• 7 to 8 weeks following NTBC withdrawal and 8 weeks following low-dose NTBC treatment, mice develop hepatocellular carcinomas unlike similarly treated Fahtm1Mgo homozygotes
• tumors that develop following treatment with low-dose NTBC are smaller and fewer than those in mice following complete withdrawal of NTBC
• following NTBC withdrawal, hepatocytes exhibit increased DNA damage compared with similarly treated cells from Fahtm1Mgo homozygotes
• following NTBC withdrawal
• following NTBC withdrawal unlike in similarly treated Fahtm1Mgo homozygotes

renal/urinary system
• 10 weeks after NTBC withdrawal, mice develop macroscopic cysts comprised of renal parenchyma unlike similarly treated Fahtm1Mgo homozygotes
• in 80% of mice 12 weeks after NTBC withdrawal
• following NTBC withdrawal

growth/size/body
• following NTBC withdrawal, mice exhibit weight loss with a plateau at 5 and 6 weeks after withdrawal compared with similarly treated Fahtm1Mgo homozygotes
• 10 weeks after NTBC withdrawal, mice develop macroscopic cysts comprised of renal parenchyma unlike similarly treated Fahtm1Mgo homozygotes

cellular
• following NTBC withdrawal
• following NTBC withdrawal unlike in similarly treated Fahtm1Mgo homozygotes




Genotype
MGI:5308802
cx25
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Mir34atm1.1Lhe/Mir34atm1.1Lhe
Genetic
Background
involves: 129S2/SvPas * C57BL/6 * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Mir34atm1.1Lhe mutation (1 available); any Mir34a mutation (9 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• induced mouse embryonic fibroblasts exhibit an increase in reprogramming efficiency and generation of induced pluripotent stem cell compared with wild-type and Mir34atm1.1Ghan cells




Genotype
MGI:3706374
cx26
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Tg(MMTV-vHaras)SH1Led/0
Genetic
Background
involves: 129S2/SvPas * C57BL/6J * CD-1 * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Tg(MMTV-vHaras)SH1Led mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• exhibit increased tumor multiplicity and aggressiveness, however, once tumors appear, their growth rate, apoptosis level, and mitotic index are not affected
• by 63 days of age, all mice develop either malignant (mammary and/or salivary adenocarcinomas) or benign (Harderian hyperplasia) tumors, compared to only 1 of 9 controls expressing only the Tg(MMTV-vHaras)SH1Led transgene
• by 63 days of age, all mice develop either malignant (mammary and/or salivary adenocarcinomas) or benign (Harderian hyperplasia) tumors, compared to only 1 of 9 controls expressing only the Tg(MMTV-vHaras)SH1Led transgene
• by 94 days of age, 50% develop mammary tumors compared to none of the controls
• by 4 months of age, the mammary tumor multiplicity is 10-fold greater than in controls
• exhibit earlier onset of tumors

endocrine/exocrine glands
• by 63 days of age, all mice develop either malignant (mammary and/or salivary adenocarcinomas) or benign (Harderian hyperplasia) tumors, compared to only 1 of 9 controls expressing only the Tg(MMTV-vHaras)SH1Led transgene
• by 63 days of age, all mice develop either malignant (mammary and/or salivary adenocarcinomas) or benign (Harderian hyperplasia) tumors, compared to only 1 of 9 controls expressing only the Tg(MMTV-vHaras)SH1Led transgene
• by 94 days of age, 50% develop mammary tumors compared to none of the controls
• by 4 months of age, the mammary tumor multiplicity is 10-fold greater than in controls
• enlargement of the glands is evident as early as 5 weeks after birth, with glands reaching up to 20 times their normal weight by 4 months of age
• 100% of mutants exhibit bilateral hyperplasia of the Harderian lacrimal glands by 63 days of age

hematopoietic system
• splenomegaly is due to a moderate to marked extramedullary hematopoiesis
• extramedullary hematopoiesis, frequently displaying atypical lymphoid cells and megakariocytes, results in splenomegaly

immune system
• splenomegaly is due to a moderate to marked extramedullary hematopoiesis

digestive/alimentary system
• by 63 days of age, all mice develop either malignant (mammary and/or salivary adenocarcinomas) or benign (Harderian hyperplasia) tumors, compared to only 1 of 9 controls expressing only the Tg(MMTV-vHaras)SH1Led transgene

integument
• by 63 days of age, all mice develop either malignant (mammary and/or salivary adenocarcinomas) or benign (Harderian hyperplasia) tumors, compared to only 1 of 9 controls expressing only the Tg(MMTV-vHaras)SH1Led transgene
• by 94 days of age, 50% develop mammary tumors compared to none of the controls
• by 4 months of age, the mammary tumor multiplicity is 10-fold greater than in controls

growth/size/body
• by 63 days of age, all mice develop either malignant (mammary and/or salivary adenocarcinomas) or benign (Harderian hyperplasia) tumors, compared to only 1 of 9 controls expressing only the Tg(MMTV-vHaras)SH1Led transgene
• splenomegaly is due to a moderate to marked extramedullary hematopoiesis

craniofacial
• by 63 days of age, all mice develop either malignant (mammary and/or salivary adenocarcinomas) or benign (Harderian hyperplasia) tumors, compared to only 1 of 9 controls expressing only the Tg(MMTV-vHaras)SH1Led transgene




Genotype
MGI:4420540
cx27
Allelic
Composition
Cdkn1atm1Tyj/Cdkn1atm1Tyj
Cdkn2atm1Rdp/Cdkn2atm1Rdp
Genetic
Background
involves: 129/Sv * 129S2/SvPas * C57BL/6 * C57BL/6J * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1atm1Tyj mutation (3 available); any Cdkn1a mutation (63 available)
Cdkn2atm1Rdp mutation (6 available); any Cdkn2a mutation (67 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• vHaras-induced foci formation in primary keratinocytes is increased compared with similarly treated wild-type and single homozygous cells indicating increased tumorgenicity
• keratinocyte proliferation is increased compared to in wild-type cells
• age-related senescence in the epidermis in vivo is almost absent compared to in wild-type mice
• vHaras-induced premature senescence of primary keratinocytes is decreased compared with similarly treated wild-type cells
• however, calcium- and Tgfb-induced cell growth arrest is normal

neoplasm
• 2 tumors are observed when keratinocytes are transplanted into nude mice unlike when wild-type cells are used
• all nude mice transplanted with keratinocytes infected with a vHaras-expressing retrovirus develop poorly differentiated SCCs with spindle cell morphology unlike nude mice receiving similarly treated wild-type cells

integument
• mice exhibit altered expression of several markers of epidermis differentiation compared with wild-type mice
• age-related senescence in the epidermis in vivo is almost absent compared to in wild-type mice
• as determined by marker expression, in vitro keratinocyte differentiation is altered compared with similarly treated cells from wild-type mice and single homozygotes
• vHaras-induced premature senescence of primary keratinocytes is decreased while foci formation is increased compared with similarly treated wild-type cells and single homozygous
• however, calcium- and Tgfb-induced cell growth arrest is normal
• keratinocyte proliferation is increased compared to in wild-type cells





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last database update
12/10/2024
MGI 6.24
The Jackson Laboratory