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Targeted Allele Detail
Symbol: Htttm2Mem
Name: huntingtin; targeted mutation 2, Marcy E MacDonald
MGI ID: MGI:1861703
Synonyms: HdhQ20
Gene: Htt  Location: Chr5:34761740-34912534 bp, + strand  Genetic Position: Chr5, 17.92 cM
Germline Transmission:  Earliest citation of germline transmission: J:52440
Parent Cell Line:  R1 (ES Cell)
Strain of Origin:  (129X1/SvJ x 129S1/Sv)F1-Kitl+
Allele Type:    Targeted (Humanized sequence)
Mutation:    Insertion
Mutation detailsThis allele carries 18 CAG repeat units, with 20 glutamines, in the first exon of the endogenous gene, modeling the number of CAG repeats found in the human Hdh. It is a derivative of Hdhtm6Mem in which the neo cassette has been removed via cre-mediated recombination. (J:52440)
View phenotypes and curated references for all genotypes (concatenated display).
Disease models
Find Mice (IMSR)
Mouse strains and cell lines available from the International Mouse Strain Resource (IMSR)
Carrying this Mutation:  Mouse Strains: 2 strains available      Cell Lines: 0 lines available
Carrying any Htt Mutation:  36 strains or lines available
Original:  J:52440 Wheeler VC, et al., Length-dependent gametic CAG repeat instability in the Huntington's disease knock-in mouse. Hum Mol Genet. 1999 Jan;8(1):115-22
All:  16 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)
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last database update
MGI 6.16
The Jackson Laboratory