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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Htr1b+
wild type
MGI:2430969
Summary 4 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Htr1btm1.1(KOMP)Vlcg/Htr1b+ C57BL/6N-Htr1btm1.1(KOMP)Vlcg/J MGI:5631210
ht2
Htr1btm1Rhn/Htr1b+ involves: 129S2/SvPas MGI:3837411
cn3
Htr1btm1Rhn/Htr1b+
Tph1tm1Kry/Tph1+
Tg(Vil1-cre)20Syr/0
involves: 129S2/SvPas * C57BL/6 * DBA/2 MGI:3837413
cx4
Htr1btm1Rhn/Htr1b+
Lrp5tm1Kry/Lrp5tm1Kry
involves: 129S1/Sv * 129S2/SvPas * 129X1/SvJ MGI:3837416


Genotype
MGI:5631210
ht1
Allelic
Composition
Htr1btm1.1(KOMP)Vlcg/Htr1b+
Genetic
Background
C57BL/6N-Htr1btm1.1(KOMP)Vlcg/J
Cell Lines 13007A-F5
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Htr1btm1.1(KOMP)Vlcg mutation (1 available); any Htr1b mutation (26 available)
Data Sources
phenotype observed in females
phenotype observed in males
N normal phenotype
adipose tissue

behavior/neurological
IMPC - JAX

cardiovascular system

growth/size/body




Genotype
MGI:3837411
ht2
Allelic
Composition
Htr1btm1Rhn/Htr1b+
Genetic
Background
involves: 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Htr1btm1Rhn mutation (3 available); any Htr1b mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• at 1 and 3 months of age
• at 1 and 3 months of age
• increased bone formation at 1 and 3 months of age




Genotype
MGI:3837413
cn3
Allelic
Composition
Htr1btm1Rhn/Htr1b+
Tph1tm1Kry/Tph1+
Tg(Vil1-cre)20Syr/0
Genetic
Background
involves: 129S2/SvPas * C57BL/6 * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Htr1btm1Rhn mutation (3 available); any Htr1b mutation (26 available)
Tg(Vil1-cre)20Syr mutation (4 available)
Tph1tm1Kry mutation (0 available); any Tph1 mutation (43 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• phenotype is the same as in mice homozygous null for Htr1b and mice conditional null for Tph1 in the gut




Genotype
MGI:3837416
cx4
Allelic
Composition
Htr1btm1Rhn/Htr1b+
Lrp5tm1Kry/Lrp5tm1Kry
Genetic
Background
involves: 129S1/Sv * 129S2/SvPas * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Htr1btm1Rhn mutation (3 available); any Htr1b mutation (26 available)
Lrp5tm1Kry mutation (0 available); any Lrp5 mutation (83 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
N
• loss of expression of 1 copy of Htrb1 rescues the bone phenotype seen in Lrp5 null mice





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last database update
01/28/2026
MGI 6.24
The Jackson Laboratory