About   Help   FAQ
Targeted Allele Detail
Symbol: Leprtm1Mgmj
Name: leptin receptor; targeted mutation 1, Martin G Myers, Jr
MGI ID: MGI:2653294
Synonyms: leprs, leprS1138, s
Gene: Lepr  Location: Chr4:101717404-101815352 bp, + strand  Genetic Position: Chr4, 46.96 cM
Germline Transmission:  Earliest citation of germline transmission: J:82334
Parent Cell Line:  Not Specified (ES Cell)
Strain of Origin:  129/Sv
Allele Type:    Targeted
Mutation:    Nucleotide substitutions
Mutation detailsTyrosine 1138 of exon 18b was replaced with a serine residue (Y1138S) and a neomycin resistance cassette was inserted into the downstream intron via homologous recombination. The Y1138S amino acid substitution specifically disrupts the leptin receptor long form (LRb)-STAT3 signal. Expression of the knock-in allele in mutant animals was confirmed by semi-quantitative RT-PCR analysis of hypothalamus RNA. (J:82334)
View phenotypes and curated references for all genotypes (concatenated display).
Disease models
In Structures Affected by this Mutation: 3 anatomical structures
Find Mice (IMSR)
Mouse strains and cell lines available from the International Mouse Strain Resource (IMSR)
Carrying this Mutation:  Mouse Strains: 1 strain available      Cell Lines: 0 lines available
Carrying any Lepr Mutation:  84 strains or lines available
Original:  J:82334 Bates SH, et al., STAT3 signalling is required for leptin regulation of energy balance but not reproduction. Nature. 2003 Feb 20;421(6925):856-9
All:  19 reference(s)

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 & Copyright Notice
Send questions and comments to User Support.
last database update
MGI 6.14
The Jackson Laboratory