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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Grem1+
wild type
MGI:2438115
Summary 5 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Grem1tm1Ecan/Grem1+
Nogtm1.1Rmh/Nogtm1.1Rmh
Tmem163Tg(ACTB-cre)2Mrt/0
involves: 129P2/OlaHsd * 129X1/SvJ * C57BL/6 * FVB/N * SJL MGI:4941476
cx2
Grem1tm1Rmh/Grem1+
Rr26tm1Svok/Rr26+
involves: 129P2/OlaHsd * 129X1/SvJ MGI:5562301
cx3
Fmn1tm2Made/Fmn1+
Grem1tm1Azun/Grem1+
involves: 129S1/Sv * 129S6/SvEvTac * 129X1/SvJ * C57BL/6J MGI:3848990
cx4
Alx4lst/Alx4+
Grem1ld-J/Grem1+
involves: CBA/Ca * NHO MGI:4355958
cx5
Alx4lst/Alx4+
Grem1ld/Grem1+
Not Specified MGI:4355956


Genotype
MGI:4941476
cn1
Allelic
Composition
Grem1tm1Ecan/Grem1+
Nogtm1.1Rmh/Nogtm1.1Rmh
Tmem163Tg(ACTB-cre)2Mrt/0
Genetic
Background
involves: 129P2/OlaHsd * 129X1/SvJ * C57BL/6 * FVB/N * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Grem1tm1Ecan mutation (0 available); any Grem1 mutation (19 available)
Nogtm1.1Rmh mutation (1 available); any Nog mutation (18 available)
Tmem163Tg(ACTB-cre)2Mrt mutation (3 available); any Tmem163 mutation (37 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• at E8.5 and E9.5, mice exhibit buckled neural tubes that frequently fail to close anteriorly unlike in wild-type mice
• anteriorly in some mice

embryo
• at E8.5 and E9.5, mice exhibit buckled neural tubes that frequently fail to close anteriorly unlike in wild-type mice
• anteriorly in some mice
• at E8.5 and E9.5, mice exhibit small posterior somites compared with wild-type mice




Genotype
MGI:5562301
cx2
Allelic
Composition
Grem1tm1Rmh/Grem1+
Rr26tm1Svok/Rr26+
Genetic
Background
involves: 129P2/OlaHsd * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Grem1tm1Rmh mutation (1 available); any Grem1 mutation (19 available)
Rr26tm1Svok mutation (0 available); any Rr26 mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
N
• mice exhibit normal skeletal patterning




Genotype
MGI:3848990
cx3
Allelic
Composition
Fmn1tm2Made/Fmn1+
Grem1tm1Azun/Grem1+
Genetic
Background
involves: 129S1/Sv * 129S6/SvEvTac * 129X1/SvJ * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fmn1tm2Made mutation (1 available); any Fmn1 mutation (73 available)
Grem1tm1Azun mutation (1 available); any Grem1 mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• authors state that mice exhibit similar limb defects as those observed in Fmn1tm2Made homozygotes




Genotype
MGI:4355958
cx4
Allelic
Composition
Alx4lst/Alx4+
Grem1ld-J/Grem1+
Genetic
Background
involves: CBA/Ca * NHO
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Alx4lst mutation (0 available); any Alx4 mutation (21 available)
Grem1ld-J mutation (1 available); any Grem1 mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
N
• have normal limbs




Genotype
MGI:4355956
cx5
Allelic
Composition
Alx4lst/Alx4+
Grem1ld/Grem1+
Genetic
Background
Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Alx4lst mutation (0 available); any Alx4 mutation (21 available)
Grem1ld mutation (0 available); any Grem1 mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
N
• have normal limbs





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last database update
01/06/2026
MGI 6.24
The Jackson Laboratory