About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Fsttm1Zuk
targeted mutation 1, Martin M Matzuk
MGI:1857467
Summary 14 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Fsttm1Zuk/Fsttm1Zuk B6.129S7-Fsttm1Zuk MGI:3589667
hm2
Fsttm1Zuk/Fsttm1Zuk involves: 129S7/SvEvBrd MGI:3042284
hm3
Fsttm1Zuk/Fsttm1Zuk involves: 129S7/SvEvBrd * C57BL/6 MGI:3042286
ht4
Fsttm1Zuk/Fst+ B6.129S7-Fsttm1Zuk MGI:5319775
ht5
Fsttm1Zuk/Fst+ involves: 129S7/SvEvBrd MGI:3814734
ht6
Fsttm1Zuk/Fst+ involves: 129S7/SvEvBrd * C57BL/6 MGI:3814735
cn7
Amhr2tm3(cre)Bhr/Amhr2+
Fsttm1Zuk/Fsttm2Zuk
involves: 129S/SvEv * C57BL/6J MGI:3042275
cx8
Fsttm1Zuk/Fst+
Fstl3tm1.1Sjl/Fstl3tm1.1Sjl
B6.129-Fsttm1Zuk Fstl3tm1.1Sjl MGI:5319774
cx9
Fsttm1Zuk/Fst+
Mstntm1Sjl/Mstn+
B6.129-Mstntm1Sjl Fsttm1Zuk MGI:5319777
cx10
Fsttm1Zuk/Fst+
Mstntm1Sjl/Mstntm1Sjl
B6.129-Mstntm1Sjl Fsttm1Zuk MGI:5319776
cx11
Fsttm1Zuk/Fsttm1Zuk
Wfikkn1tm1.1Sjl/Wfikkn1tm1.1Sjl
involves: 129S7/SvEvBrd * C57BL/6 MGI:5546336
cx12
Fsttm1Zuk/Fst+
Wfikkn1tm1.1Sjl/Wfikkn1tm1.1Sjl
involves: 129S7/SvEvBrd * C57BL/6 MGI:5546337
cx13
Fsttm1Zuk/Fsttm1Zuk
Wfikkn1tm1.1Sjl/Wfikkn1+
involves: 129S7/SvEvBrd * C57BL/6 MGI:5546338
cx14
Fsttm1Zuk/Fsttm1Zuk
Gdf11tm1Clf/Gdf11tm1Clf
involves: 129X1/SvJ * C57BL/6J * CD-1 MGI:3589668


Genotype
MGI:3589667
hm1
Allelic
Composition
Fsttm1Zuk/Fsttm1Zuk
Genetic
Background
B6.129S7-Fsttm1Zuk
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• homozygotes display decreased olfactory epithelium neurogenesis, as shown by significantly reduced neurogenin-1-expressing immediate neuronal precursors and Ncam1-expressing olfactory receptor neurons
• at E17.5, homozygotes display a 37% decrease in proliferating, neurogenin-1-expressing immediate neuronal precursors within the olfactory epithelium

taste/olfaction
• homozygotes display a 38% decrease in thickness of the olfactory epithelium
• at E17.5, homozygotes display a 37% decrease in proliferating, neurogenin-1-expressing immediate neuronal precursors within the olfactory epithelium

vision/eye
• mutant retinas exhibit a 26% reduction in the number of cells in the ganglion cell layer and a marked decrease in thickness of the differentiated ganglion cell layer
• unlike the situation in olfactory epithelium, mutant retinas display normal overall thickness as well as normal progenitor cell proliferation
• in addition, mutant retinas show no obvious differences in amacrine cell or photoreceptor production relative to wild-type

respiratory system
• homozygotes display a 38% decrease in thickness of the olfactory epithelium
• at E17.5, homozygotes display a 37% decrease in proliferating, neurogenin-1-expressing immediate neuronal precursors within the olfactory epithelium

craniofacial
• homozygotes display a 38% decrease in thickness of the olfactory epithelium
• at E17.5, homozygotes display a 37% decrease in proliferating, neurogenin-1-expressing immediate neuronal precursors within the olfactory epithelium

cellular
• homozygotes display decreased olfactory epithelium neurogenesis, as shown by significantly reduced neurogenin-1-expressing immediate neuronal precursors and Ncam1-expressing olfactory receptor neurons

growth/size/body
• homozygotes display a 38% decrease in thickness of the olfactory epithelium
• at E17.5, homozygotes display a 37% decrease in proliferating, neurogenin-1-expressing immediate neuronal precursors within the olfactory epithelium




Genotype
MGI:3042284
hm2
Allelic
Composition
Fsttm1Zuk/Fsttm1Zuk
Genetic
Background
involves: 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• homozygotes survive to birth but die within a few hours of birth due to respiratory failure

craniofacial
• all newborn homozygotes (11 of 11) show delayed development of lower incisors
• 55% (6 of 11) newborn homozygotes lack a hard palate

growth/size/body
• all newborn homozygotes (11 of 11) show delayed development of lower incisors
• 55% (6 of 11) newborn homozygotes lack a hard palate
• at E18.5, homozygotes are smaller than wild-type counterparts
• at E18.5, homozygotes weigh ~12% less than wild-type counterparts
• newborn homozygotes are growth retarded

muscle
• newborn homozygotes show decreased muscle mass in the diaphragmatic, pectoralis major and intercostal muscles
• however, no primary defects are observed as determined by analysis of ATPase activity, glycogen content and mitochondria

skeleton
• all newborn homozygotes (11 of 11) show delayed development of lower incisors
• in 81.8% (9 of 11) homozygotes, development of the thirteenth pair of ribs is limited
• Background Sensitivity: a higher percentage of homozygotes show limited formation of the thirteenth rib pair on an inbred 129/SvEv background than on a hybrid 129/SvEv x C57BL/6 background (81.8% vs 61%, respectively)
• in 2 of 11 homozygotes, the thirteenth pair of ribs is absent
• all (11 of 11) newborn homozygotes have five lumbar vertebrae instead of six found in wild-type mice

digestive/alimentary system
• 55% (6 of 11) newborn homozygotes lack a hard palate

homeostasis/metabolism
• newborn homozygotes appear cyanotic

respiratory system
• newborn homozygotes fail to breathe
• mutant lungs are sank in liquid, and alveolar spaces appear poorly expanded, although no primary pulmonary defects are detected

integument
• mutant whiskers are very thin and incorrectly oriented with shafts projecting parallel before turning perpendicularly
• newborns display a 25% increase in the stratum corneum cells relative to wild-type controls
• newborn homozygotes show a thickened granular and stratum corneum
• newborn homozygotes appear hypoxic (pale)
• newborn homozygotes display a shiny skin
• newborn homozygotes display a taut skin

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
restrictive dermopathy DOID:0060762 OMIM:PS275210
J:23925




Genotype
MGI:3042286
hm3
Allelic
Composition
Fsttm1Zuk/Fsttm1Zuk
Genetic
Background
involves: 129S7/SvEvBrd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• homozygotes survive to birth but die within a few hours of birth due to respiratory failure

craniofacial
• 6 of 34 newborn homozygotes lack lower incisors
• 92% (23 of 34) newborn homozygotes show delayed development of lower incisors
• 21.4% (6 of 28) newborn homozygotes lack a hard palate
• 15.8% (3 of 19) newborn homozygotes display a cleft secondary palate

growth/size/body
• 6 of 34 newborn homozygotes lack lower incisors
• 92% (23 of 34) newborn homozygotes show delayed development of lower incisors
• 21.4% (6 of 28) newborn homozygotes lack a hard palate
• 15.8% (3 of 19) newborn homozygotes display a cleft secondary palate
• at E18.5, homozygotes are smaller than wild-type counterparts
• at E18.5, homozygotes weigh ~12% less than wild-type counterparts
• newborn homozygotes are growth retarded

muscle
• newborn homozygotes show decreased muscle mass in the diaphragmatic, pectoralis major and intercostal muscles
• however, no primary defects are observed as determined by analysis of ATPase activity, glycogen content and mitochondria

skeleton
• 6 of 34 newborn homozygotes lack lower incisors
• 92% (23 of 34) newborn homozygotes show delayed development of lower incisors
• in 4 of 28 homozygotes, one or both of the seventh ribs fail to fuse to the sternum
• in 61% (17 of 28) homozygotes, development of the thirteenth pair of ribs is limited
• Background Sensitivity: a higher percentage of homozygotes show limited formation of the thirteenth rib pair on an inbred 129/SvEv background than on a hybrid 129/SvEv x C57BL/6 background (81.8% vs 61%, respectively)
• in 28.6% (8 of 28) homozygotes, the thirteenth pair of ribs is absent
• all (28 of 28) newborn homozygotes have five lumbar vertebrae instead of six; only 2 of 15 wild-type controls show this defect

digestive/alimentary system
• 21.4% (6 of 28) newborn homozygotes lack a hard palate
• 15.8% (3 of 19) newborn homozygotes display a cleft secondary palate

homeostasis/metabolism
• newborn homozygotes appear cyanotic

respiratory system
• newborn homozygotes fail to breathe
• mutant lungs are sank in liquid, and alveolar spaces appear poorly expanded, although no primary pulmonary defects are detected

integument
• mutant whiskers are very thin and incorrectly oriented with shafts projecting parallel before turning perpendicularly
• newborns display a 25% increase in the stratum corneum cells relative to wild-type controls
• newborn homozygotes show a thickened granular and stratum corneum
• newborn homozygotes appear hypoxic (pale)
• newborn homozygotes display a shiny skin
• newborn homozygotes display a taut skin

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
restrictive dermopathy DOID:0060762 OMIM:PS275210
J:23925




Genotype
MGI:5319775
ht4
Allelic
Composition
Fsttm1Zuk/Fst+
Genetic
Background
B6.129S7-Fsttm1Zuk
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
muscle
• increase in the percentage of oxidative type I fibers
• increase in the number of oxidative type I fibers
• decrease in mean fiber diameter for each fiber type
• increase in the proportion of smaller fibers that stain more darkly in hematoxylin and eosin stained sections corresponding to mixed glycolytic/oxidative type IIa fibers
• shift towards more oxidative fibers
• about 15-20% lower than wild-type
• decreased triceps weight
• lower twitch and tetanic force production
• but no change in specific force

homeostasis/metabolism
• impaired muscle regeneration and enhanced fibrosis in the gastrocnemius muscle following cardiotoxin-induced injury

limbs/digits/tail
• increase in the percentage of oxidative type I fibers
• increase in the number of oxidative type I fibers




Genotype
MGI:3814734
ht5
Allelic
Composition
Fsttm1Zuk/Fst+
Genetic
Background
involves: 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• in 26.6% (4 of 15) heterozygotes, development of the thirteenth pair of ribs is limited; not oberved in wild-type controls
• Background Sensitivity: a higher percentage of heterozygotes show limited formation of the thirteenth rib pair on an inbred 129/SvEv background than on a hybrid 129/SvEv x C57BL/6 background (26.6% vs 17%, respectively)
• 86.6% (13 of 15) heterozygotes have five lumbar vertebrae instead of six found in wild-type controls
• Background Sensitivity: a higher percentage of heterozygotes show five lumbar vertebrae on an inbred 129/SvEv background than on a hybrid 129/SvEv x C57BL/6 background (86.6% vs 60%, respectively)




Genotype
MGI:3814735
ht6
Allelic
Composition
Fsttm1Zuk/Fst+
Genetic
Background
involves: 129S7/SvEvBrd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• in 17% (6 of 35) heterozygotes, development of the thirteenth pair of ribs is limited; not oberved in wild-type controls
• Background Sensitivity: a higher percentage of heterozygotes show limited formation of the thirteenth rib pair on an inbred 129/SvEv background than on a hybrid 129/SvEv x C57BL/6 background (26.6% vs 17%, respectively)
• 60% (21 of 35) heterozygotes have five lumbar vertebrae instead of six; only 2 of 15 wild-type controls show this defect
• Background Sensitivity: a higher percentage of heterozygotes show five lumbar vertebrae on an inbred 129/SvEv background than on a hybrid 129/SvEv x C57BL/6 background (86.6% vs 60%, respectively)




Genotype
MGI:3042275
cn7
Allelic
Composition
Amhr2tm3(cre)Bhr/Amhr2+
Fsttm1Zuk/Fsttm2Zuk
Genetic
Background
involves: 129S/SvEv * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Amhr2tm3(cre)Bhr mutation (1 available); any Amhr2 mutation (29 available)
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
Fsttm2Zuk mutation (1 available); any Fst mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
endocrine/exocrine glands
• the majority of ovaries in 8 month old mice appeared hemorrhagic
• ovaries were histologically normal through 21 days of age
• defects became apparent after 3 months of age
• some mice developed Sertoli cell tubule-like structures, reminiscent of the ovarian tumors observed in mice inhibin-deficient mice, mice overexpressing follistatin and follicle stimulating hormone, mice lacking both estrogen receptors alpha and beta, and mice overexpressing anti-Mullerian hormone
• decreased numbers of antral follicles
• observed in 2 mice

growth/size/body
• observed in 2 mice

homeostasis/metabolism
N
• circulating estradiol levels did not differ from those of controls

reproductive system
N
• male mice were fertile
• the majority of ovaries in 8 month old mice appeared hemorrhagic
• ovaries were histologically normal through 21 days of age
• defects became apparent after 3 months of age
• some mice developed Sertoli cell tubule-like structures, reminiscent of the ovarian tumors observed in mice inhibin-deficient mice, mice overexpressing follistatin and follicle stimulating hormone, mice lacking both estrogen receptors alpha and beta, and mice overexpressing anti-Mullerian hormone
• decreased numbers of antral follicles
• observed in 2 mice
• impaired ovulation in response to human chorionic gonadotropin (hCG) only in mature adult mice (6 months of age)
• however, superovulation was normal in 3-week-old mice
• of 11 female experimental mice, 1 was completely infertile
• of 11 female experimental mice, 10 showed reduced fertility, yielding reduced litter number and size
• impaired fertilization only in mature adult mice (6 months of age)
• fertilization was normal in 3-week-old mice

cardiovascular system
• the majority of ovaries in 8 month old mice appeared hemorrhagic




Genotype
MGI:5319774
cx8
Allelic
Composition
Fsttm1Zuk/Fst+
Fstl3tm1.1Sjl/Fstl3tm1.1Sjl
Genetic
Background
B6.129-Fsttm1Zuk Fstl3tm1.1Sjl
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fstl3tm1.1Sjl mutation (0 available); any Fstl3 mutation (20 available)
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
muscle
• similar to mice heterozygous for Fsttm1Zuk alone




Genotype
MGI:5319777
cx9
Allelic
Composition
Fsttm1Zuk/Fst+
Mstntm1Sjl/Mstn+
Genetic
Background
B6.129-Mstntm1Sjl Fsttm1Zuk
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
Mstntm1Sjl mutation (2 available); any Mstn mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
muscle
• relative to mice heterozygous for Mstntm1Sjl alone

growth/size/body
• relative to mice heterozygous for Mstntm1Sjl alone




Genotype
MGI:5319776
cx10
Allelic
Composition
Fsttm1Zuk/Fst+
Mstntm1Sjl/Mstntm1Sjl
Genetic
Background
B6.129-Mstntm1Sjl Fsttm1Zuk
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
Mstntm1Sjl mutation (2 available); any Mstn mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
muscle
• relative to mice homoozygous for Mstntm1Sjl alone




Genotype
MGI:5546336
cx11
Allelic
Composition
Fsttm1Zuk/Fsttm1Zuk
Wfikkn1tm1.1Sjl/Wfikkn1tm1.1Sjl
Genetic
Background
involves: 129S7/SvEvBrd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
Wfikkn1tm1.1Sjl mutation (0 available); any Wfikkn1 mutation (15 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Axial skeleton patterning defects in Wfikkn1tm1.1Sjl/Wfikkn1tm1.1Sjl, Wfikkn1tm1.1Sjl/Wfikkn1tm1.1Sjl Fsttm1Zuk/Fsttm1Zuk, Gdf11tm1Sjl/Gdf11+ and Gdf11tm1Sjl/Gdf11tm1Sjl mice.

skeleton
• mice have cervical ribs on one side or both sides
• both 13th ribs are missing
• most mice have 6 or 6.5 attached ribs
• mice have cervical ribs on one side or both sides
• all mice have only 12 thoracic vertebrae
• one mouse had only 4 lumbar vertebrae




Genotype
MGI:5546337
cx12
Allelic
Composition
Fsttm1Zuk/Fst+
Wfikkn1tm1.1Sjl/Wfikkn1tm1.1Sjl
Genetic
Background
involves: 129S7/SvEvBrd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
Wfikkn1tm1.1Sjl mutation (0 available); any Wfikkn1 mutation (15 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Axial skeleton patterning defects in Wfikkn1tm1.1Sjl/Wfikkn1tm1.1Sjl, Wfikkn1tm1.1Sjl/Wfikkn1tm1.1Sjl Fsttm1Zuk/Fsttm1Zuk, Gdf11tm1Sjl/Gdf11+ and Gdf11tm1Sjl/Gdf11tm1Sjl mice.

skeleton
• cervical ribs are seen on one or both sides in most mice
• over 90% of mice are missing both 13th ribs
• cervical ribs are seen on one or both sides in most mice
• most mice have 12 thoracic vertebrae
• 25% of mice have 6/7 lumbar vertebrae




Genotype
MGI:5546338
cx13
Allelic
Composition
Fsttm1Zuk/Fsttm1Zuk
Wfikkn1tm1.1Sjl/Wfikkn1+
Genetic
Background
involves: 129S7/SvEvBrd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
Wfikkn1tm1.1Sjl mutation (0 available); any Wfikkn1 mutation (15 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• 50% of mice have only 12 thoracic vertebrae
• in 50% of mice the 13th pair of ribs consist of one anlage and the other is absent and in the other 50% of mice both 13th ribs are missing




Genotype
MGI:3589668
cx14
Allelic
Composition
Fsttm1Zuk/Fsttm1Zuk
Gdf11tm1Clf/Gdf11tm1Clf
Genetic
Background
involves: 129X1/SvJ * C57BL/6J * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fsttm1Zuk mutation (2 available); any Fst mutation (19 available)
Gdf11tm1Clf mutation (0 available); any Gdf11 mutation (13 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• double mutant retinas display an expanded differentiated ganglion cell layer, similar to that observed in Gdf11tm1Clf mutant retinas
• at E17.5, the neuroblastic layer of double mutant retinas shows a 3-fold increase in migrating ganglion cells relative to wild-type retinas

vision/eye
• double mutant retinas display an expanded differentiated ganglion cell layer, similar to that observed in Gdf11tm1Clf mutant retinas
• at E17.5, the neuroblastic layer of double mutant retinas shows a 3-fold increase in migrating ganglion cells relative to wild-type retinas





Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
11/12/2024
MGI 6.24
The Jackson Laboratory