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QTL Variant Detail
QTL variant: Dyscalc4C3H/HeJ
Name: dystrophic cardiac calcinosis 4; C3H/HeJ
MGI ID: MGI:2389351
QTL: Dyscalc4  Location: Chr14:29490914-29491050 bp  Genetic Position: Chr14, cM position of peak correlated region/allele: 16.8 cM
QTL Note: genome coordinates based on the marker associated with the peak LOD score
Strain of Specimen:  C3H/HeJ
Allele Type:    QTL
Mutation:    Undefined
    This allele confers resistance to dystrophic cardiac calcinosis (DCC) compared to C57BL/6J. (J:72021)
Inheritance:    Dominant
View phenotypes and curated references for all genotypes (concatenated display).

Mapping and Phenotype information for this QTL, its variants and associated markers


135 microsatellite markers were typed in 185 (C57BL/6J x C3H/HeJ)F2 female animals to identify loci associated with dystrophic cardiac calcinosis. Animals were placed on a high fat, high cholesterol diet at 3 months of age to induce the phenotype. Parental strain C57BL/6J is resistant to dystrophic cardiac calcinosis whereas C3H/HeJ is susceptible. A previously mapped locus on mouse Chromosome 7, Dyscalc1, mapped in this study with a LOD score of 14.8 at D7Mit229 (15 cM - 24.5 cM) and 3 novel loci were identified. Dyscalc2 mapped to mouse Chromosome 4 spanning 50 cM - 80 cM (LOD = 4.7 at D4Mit16), Dyscalc3 mapped to mouse Chromosome 12 from 1 cM - 10 cM (LOD = 3.5 at D12Mit37), and Dyscalc4 mapped to mouse Chromosome 14 from 10 cM - 30 cM (LOD = 3.7 at D14Mit133). Additive epistasis between Dyscalc1 and Dyscalc2 was detected. Several potential candidate genes map near Dyscalc1 and include Dm9, Dm15, Ckmm, Slc8a2, Calm1, Fosb, Tnni3, Hrc, and Bax. Possible candidate genes for Dyscalc2 and Dyscalc4 are Bmp8a and Bmp4, respectively. No candidate genes for Dyscalc3 have been identified.

Original:  J:72021 Ivandic BT, et al., New Dyscalc loci for myocardial cell necrosis and calcification (dystrophic cardiac calcinosis) in mice. Physiol Genomics. 2001 Aug 28;6(3):137-44
All:  1 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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