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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Mapk9tm1Flv
targeted mutation 1, Richard Flavell
MGI:2176243
Summary 12 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Mapk9tm1Flv/Mapk9tm1Flv B6.129S2-Mapk9tm1Flv MGI:3691067
hm2
Mapk9tm1Flv/Mapk9tm1Flv B6.129S2-Mapk9tm1Flv/J MGI:3691567
hm3
Mapk9tm1Flv/Mapk9tm1Flv involves: 129P2/OlaHsd * C57BL/6 MGI:3707187
hm4
Mapk9tm1Flv/Mapk9tm1Flv involves: 129S2/SvPas MGI:3690976
cn5
Mapk8tm1Rjd/Mapk8tm1Rjd
Mapk9tm1Flv/Mapk9tm1Flv
Tg(Col2a1-cre)1Bhr/0
involves: 129S2/SvPas * C57BL/6 * C57BL/6J * SJL MGI:7279112
cn6
Mapk8tm1Rjd/Mapk8tm1Rjd
Mapk9tm1Flv/Mapk9tm1Flv
involves: 129S2/SvPas * C57BL/6J MGI:3811225
cx7
Mapk10tm1Flv/Mapk10tm1Flv
Mapk9tm1Flv/Mapk9tm1Flv
B6.129S-Mapk9tm1Flv Mapk10tm1Flv MGI:3580020
cx8
Mapk8tm1Flv/Mapk8tm1Flv
Mapk9tm1Flv/Mapk9+
B6.129S-Mapk9tm1Flv Mapk8tm1Flv MGI:3691064
cx9
Apoetm1Bres/Apoetm1Bres
Mapk9tm1Flv/Mapk9tm1Flv
involves: 129P2/OlaHsd * 129S2/SvPas * C57BL/6 MGI:3691097
cx10
Mapk9tm1Flv/Mapk9tm1Flv
Tnftm2Gkl/Tnf+
involves: 129P2/OlaHsd * 129S/SvEv * C57BL/6J MGI:3629608
cx11
Mapk10tm1Flv/Mapk10tm1Flv
Mapk9tm1Flv/Mapk9tm1Flv
involves: 129S1/Sv * 129S2/SvPas MGI:3690780
cx12
Mapk8tm1Flv/Mapk8tm1Flv
Mapk9tm1Flv/Mapk9tm1Flv
involves: 129S1/Sv * 129S2/SvPas MGI:3690777


Genotype
MGI:3691067
hm1
Allelic
Composition
Mapk9tm1Flv/Mapk9tm1Flv
Genetic
Background
B6.129S2-Mapk9tm1Flv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Abnormal epidermis of adult Mapk8tm1Flv/Mapk8tm1Flv and Mapk9tm1Flv/Mapk9tm1Flv mice

integument
• keratohyalin granules, markers of epidermal differentiation, are increased in the stratum granulosum
• exhibit greater number of keratinocyte stem cells in skin
• keratinocyte hyperplasia, resulting in an increased number of epithelial cell layers




Genotype
MGI:3691567
hm2
Allelic
Composition
Mapk9tm1Flv/Mapk9tm1Flv
Genetic
Background
B6.129S2-Mapk9tm1Flv/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• mortality from galactosamine/lipopolysaccharide (GalN/LPS)-induced liver injury is markedly decreased compared to wild-type

liver/biliary system
• exhibit protection from galactosamine/lipopolysaccharide (GalN/LPS)-induced liver injury, showing decreased injury, mortality, and blockage of the TNF death pathway and mitochondrial death pathway (decrease in Bid cleavage, mitochondrial translocation, and cytochrome c release)

homeostasis/metabolism
• exhibit protection from GalN/LPS-induced liver injury




Genotype
MGI:3707187
hm3
Allelic
Composition
Mapk9tm1Flv/Mapk9tm1Flv
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
homeostasis/metabolism
• upon UV irradiation, mutant MEFs (mouse embryonic fibroblasts) show decreased JNK activity compared to wild-type or Mapk8-null MEFs




Genotype
MGI:3690976
hm4
Allelic
Composition
Mapk9tm1Flv/Mapk9tm1Flv
Genetic
Background
involves: 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
N
• exhibit no difference in response to pressure overload compared to wild-type

immune system
• exhibit impaired differentiation of precursor CD4+ T cells into effector T helper 1 cells but not T helper 2 cells
• even in the presence of IL-2, precursor CD4+ T cells fail to differentiate into Th1 cells that produce large amounts of the effector cytokine IFN-gamma
• IFN-gamma production is reduced in effector Th1 cells; impairment of IFN-gamma production in Th1 cells is caused by insufficient IL-12 stimulated differentiation of the precursor CD4+ T cells into effector Th1 cells

hematopoietic system
• exhibit impaired differentiation of precursor CD4+ T cells into effector T helper 1 cells but not T helper 2 cells
• even in the presence of IL-2, precursor CD4+ T cells fail to differentiate into Th1 cells that produce large amounts of the effector cytokine IFN-gamma
• IFN-gamma production is reduced in effector Th1 cells; impairment of IFN-gamma production in Th1 cells is caused by insufficient IL-12 stimulated differentiation of the precursor CD4+ T cells into effector Th1 cells




Genotype
MGI:7279112
cn5
Allelic
Composition
Mapk8tm1Rjd/Mapk8tm1Rjd
Mapk9tm1Flv/Mapk9tm1Flv
Tg(Col2a1-cre)1Bhr/0
Genetic
Background
involves: 129S2/SvPas * C57BL/6 * C57BL/6J * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mapk8tm1Rjd mutation (0 available); any Mapk8 mutation (74 available)
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
Tg(Col2a1-cre)1Bhr mutation (3 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• need to be euthanized at approximately 10 weeks of age due to urinary retention and paraphimosis

renal/urinary system
• urinary retention

skeleton
• the articular cartilage thickness, the width of the joint at the level of the femoral condyles, and the height of the tibial plateau are decreased
• enlargement of the growth plate
• at 10 weeks of age
• separation at the joints is not well defined at 10 weeks of age
• ectopic ossification localized in the caudal thoracic and thoracic spine at 4 weeks of age
• the typical lamellar structure of the annulus fibrosus is completely absent at 4 weeks of age
• at 10 weeks of age in the proximal thoracic spine (approximately cranial to T9) disks are replaced by a proteoglycan-rich cartilaginous tissue that extends beyond the disk and appears to connect the distal and proximal growth plates of adjacent vertebral bodies
• at E15.5 and E17.5, the annulus fibrosus is populated by larger, chondrocyte-like cells with altered alignment of the collagen fibers in the laminae
• increased annulus fibrosus width for both dorsal and ventral regions at E17.5
• reduced in size at 4 weeks of age
• seen at P11
• at 10 weeks of age most of the area of the disks is completely replaced with bone and cartilage in the lumbar and caudal thoracic spine
• seen at 4 weeks of age with Cobb angles ranging from 40 to 92 degrees
• ectopic ossification in multiple structures of the vertebrae including the transverse and spinous processes
• fused vertebrae with no space where the intervertebral disks should be
• fusions in the transverse and spinous processes are seen at P11 with the most advanced lesions seen in the lumbar spine
• seen at E17.5 along with abnormally shaped primary ossification centers
• fusions of bodies and posterior elements are detected in the lumbar and thoracic spine

growth/size/body
• at weaning

behavior/neurological
• at weaning

limbs/digits/tail
• the articular cartilage thickness, the width of the joint at the level of the femoral condyles, and the height of the tibial plateau are decreased
• upward tail orientation

reproductive system

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
scoliosis DOID:0060249 J:277201




Genotype
MGI:3811225
cn6
Allelic
Composition
Mapk8tm1Rjd/Mapk8tm1Rjd
Mapk9tm1Flv/Mapk9tm1Flv
Genetic
Background
involves: 129S2/SvPas * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mapk8tm1Rjd mutation (0 available); any Mapk8 mutation (74 available)
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• following treatment with an andenoviral cre, mouse embryonic fibroblasts exhibit reduced UV- or TNF-stimulated apoptosis compared to wild-type cells




Genotype
MGI:3580020
cx7
Allelic
Composition
Mapk10tm1Flv/Mapk10tm1Flv
Mapk9tm1Flv/Mapk9tm1Flv
Genetic
Background
B6.129S-Mapk9tm1Flv Mapk10tm1Flv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mapk10tm1Flv mutation (2 available); any Mapk10 mutation (37 available)
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• resistance to MPTP-induced Parkinson's disease
• much improved neuron survival in the facial motor nucleus after axotomy (52% survive)

behavior/neurological
N
• MPTP treatment had no effect on rotarod performance at any speed

homeostasis/metabolism
• resistance to MPTP-induced Parkinson's disease
• somewhat reduced dopamine levels after MTP treatment

cellular
• resistance to MPTP-induced Parkinson's disease




Genotype
MGI:3691064
cx8
Allelic
Composition
Mapk8tm1Flv/Mapk8tm1Flv
Mapk9tm1Flv/Mapk9+
Genetic
Background
B6.129S-Mapk9tm1Flv Mapk8tm1Flv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mapk8tm1Flv mutation (3 available); any Mapk8 mutation (74 available)
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Mapk8tm1Flv/Mapk8tm1Flv Mapk9tm1Flv/Mapk9+ pups exhibit open eyes at birth

mortality/aging
• 80% die within 48 hours after birth (J:83385)
• majority die within 48 hours after birth, although a small number survive to adulthood (J:93433)

vision/eye
• exhibit a number of developmental defects in the eye at E18.5 (J:83385)
• mutants that survive to adulthood have opaque eyes (J:93433)
• show severe lens abnormality at E18.5
• smaller lenses with decreased expression of alpha-, beta-, and gamma-crystallin
• show retinal coloboma at midgestation
• eyelids exhibit variable extension across the cornea but no contact with the opposing epithelia (J:93433)

respiratory system
• exhibit immature lungs at P1
• alveolar septae are thicker and more cellular at P1, indicating immaturity of lung development
• appear to have difficulty breathing at birth

digestive/alimentary system
• tongue epidermis shows a reduction in proliferation at E15.5
• epithelium of tongue is immature at E18.5, with no fungiform taste papillae
• exhibit no fungiform taste papillae at E18.5
• pups exhibit immature intestines; intestines have all the differentiated cell types but show irregular loops and shorter villi
• delay in maturation of villi is apparent at E14.5, soon after the villi start to form
• defects in intestines are more severe in embryos than after birth
• exhibit epithelial immaturity in the intestines
• number of periodic acid/Schiff reagent-staining surface mucous cells is reduced

reproductive system
• mutants that survive to adulthood are sterile

renal/urinary system
• E18.5 kidneys have deformed renal epithelium
• E18.5 kidneys have deformed nephrons
• E18.5 kidneys contain enlarged tubules

craniofacial
• tongue epidermis shows a reduction in proliferation at E15.5
• epithelium of tongue is immature at E18.5, with no fungiform taste papillae
• exhibit no fungiform taste papillae at E18.5

integument
• interfollicular epidermal proliferation is reduced in E15.5 skin
• E18.5 skin shows disorganized and immature development of the hair follicles
• newborns exhibit fewer hair follicles
• exhibit disorganized and immature development of the epidermis at E18.5
• pale in color at birth

growth/size/body
• tongue epidermis shows a reduction in proliferation at E15.5
• epithelium of tongue is immature at E18.5, with no fungiform taste papillae
• exhibit no fungiform taste papillae at E18.5




Genotype
MGI:3691097
cx9
Allelic
Composition
Apoetm1Bres/Apoetm1Bres
Mapk9tm1Flv/Mapk9tm1Flv
Genetic
Background
involves: 129P2/OlaHsd * 129S2/SvPas * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Apoetm1Bres mutation (9 available); any Apoe mutation (158 available)
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• develop less atherosclerosis than single Apoe homozygotes when fed a high-cholesterol diet for 14 weeks

immune system
• isolated macrophages form filopodia-like projections in culture that are not observed in controls
• isolated peritoneal macrophages subjected to oxidized forms of low-density lipoproteins form only half as many foam cells as controls
• isolated peritoneal macrophages subjected to oxidized forms of low-density lipoproteins form only half as many foam cells as controls
• uptake and degradation of acetylated forms of low-density lipoproteins by macrophages is about one third that of controls
• cellular cholesterol efflux to apolipoprotein AI is increased in macrophages

hematopoietic system
• isolated macrophages form filopodia-like projections in culture that are not observed in controls
• isolated peritoneal macrophages subjected to oxidized forms of low-density lipoproteins form only half as many foam cells as controls
• isolated peritoneal macrophages subjected to oxidized forms of low-density lipoproteins form only half as many foam cells as controls
• uptake and degradation of acetylated forms of low-density lipoproteins by macrophages is about one third that of controls
• cellular cholesterol efflux to apolipoprotein AI is increased in macrophages

cellular
• isolated peritoneal macrophages subjected to oxidized forms of low-density lipoproteins form only half as many foam cells as controls




Genotype
MGI:3629608
cx10
Allelic
Composition
Mapk9tm1Flv/Mapk9tm1Flv
Tnftm2Gkl/Tnf+
Genetic
Background
involves: 129P2/OlaHsd * 129S/SvEv * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
Tnftm2Gkl mutation (1 available); any Tnf mutation (48 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• mice have significantly higher numbers of apoptotic cells in the ilea compared to lower numbers in the infiltrate indicating a higher rate of apoptosis

immune system
N
• there is no change in CD4+ to CD8+ ratios compared to findings in Tnftm2Gkl/+ single mutants
• there is a delayed onset and significant attenuation of disease

digestive/alimentary system
• there is a delayed onset and significant attenuation of disease




Genotype
MGI:3690780
cx11
Allelic
Composition
Mapk10tm1Flv/Mapk10tm1Flv
Mapk9tm1Flv/Mapk9tm1Flv
Genetic
Background
involves: 129S1/Sv * 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mapk10tm1Flv mutation (2 available); any Mapk10 mutation (37 available)
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
N
• do not exhibit exencephaly or show abnormal apoptosis during brain development




Genotype
MGI:3690777
cx12
Allelic
Composition
Mapk8tm1Flv/Mapk8tm1Flv
Mapk9tm1Flv/Mapk9tm1Flv
Genetic
Background
involves: 129S1/Sv * 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mapk8tm1Flv mutation (3 available); any Mapk8 mutation (74 available)
Mapk9tm1Flv mutation (2 available); any Mapk9 mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• die between E11 and E12
• some mutants start to show embryonic degeneration that included decreased body size, transparency of embryos, and cardiac dilation at E11.5

nervous system
• show reduced apoptosis in the hindbrain neural tube during cephalic neurulation at E9
• exhibit about 10-fold increase in apoptosis in the forebrain neural epithelium at E10.5
• E11 forebrain shows increased pyknosis
• exhibit about 10-fold increase in apoptosis in the forebrain neural epithelium at E10.5
• exhibit hindbrain exencephaly that is already visible at E10.5

embryo

cardiovascular system
• cardiac dilation in degenerating embryos at E11.5

cellular
• show reduced apoptosis in the hindbrain neural tube during cephalic neurulation at E9
• exhibit about 10-fold increase in apoptosis in the forebrain neural epithelium at E10.5
• E11 forebrain shows increased pyknosis
• exhibit about 10-fold increase in apoptosis in the forebrain neural epithelium at E10.5





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last database update
11/19/2024
MGI 6.24
The Jackson Laboratory