DESCRIPTION:

QTL associated with protein kinase C content in lungs. This interval was obtained by using a fixed interval width of 25 Mbp around the peak marker (108575096)

LABEL:

QTL-Pkccl-Mouse-Chr 11

SCORE TYPE:

Binary

DATE ADDED:

2012-04-02

DATE UPDATED:

2024-04-25

SPECIES:

URI:

http://www.informatics.jax.org/searches/accession_report.cgi?id=MGI:2149652

AUTHORS:

Dwyer-Nield LD, Paigen B, Porter SE, Malkinson AM

TITLE:

Quantitative trait locus mapping of genes regulating pulmonary PKC activity and PKC-alpha content.

JOURNAL:

American journal of physiology. Lung cellular and molecular physiology Aug 2000, Vol 279, pp. L326-32

ABSTRACT:

Strain A/J mice, which are predisposed to experimentally induced asthma and adenocarcinoma, have the lowest pulmonary protein kinase (PK) C activity and content among 22 inbred mouse strains. PKC in neonatal A/J mice is similar to that in other strains, so this difference reflects strain-dependent postnatal regulation. PKC activity is 60% higher in C57BL/6J (B6) than in A/J lungs, and the protein and mRNA concentrations of PKC-alpha, the major pulmonary PKC isozyme, are two- to threefold higher in B6 mice. These differences result from more than a single gene as assessed in F(1), F(2), and backcross progeny of B6 and A/J parents. Quantitative trait locus (QTL) analysis of 23 AxB and BxA recombinant inbred strains derived from B6 and A/J progenitors indicates a major locus regulating lung PKC-alpha content that maps near the Pkcalpha structural gene on chromosome 11 (D11MIT333; likelihood ratio statistic = 12.5) and a major locus controlling PKC activity that maps on chromosome 3 (D3MIT19; likelihood ratio statistic = 15.4). The chromosome 11 QTL responsible for low PKC-alpha content falls within QTLs for susceptibilities to lung tumorigenesis and ozone-induced toxicity. PUBMED: 10926556
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