GeneSet Information

Tier II GS129186 • silicosis susceptibility 1 (Slcs1 Published QTL Chr 4)


QTL associated with silicosis susceptibility 1. The confidence interval is Chr4:94736033-28006254 bp,+strand


QTL-Slcs1-Mouse-Chr 4









Ohtsuka Y, Wang XT, Saito J, Ishida T, Munakata M


Genetic linkage analysis of pulmonary fibrotic response to silica in mice.


The European respiratory journal : official journal of the European Society for Clinical Respiratory Physiology Nov 2006, Vol 28, pp. 1013-9


Inter-individual variations in the development of silicosis, even within the same environments, have been reported, which suggest the contribution of genetic factors in silicosis aetiology. The aim of the present study was to determine whether there is any significant genetic influence on the development of silicosis. Furthermore, which genetic loci are responsible for the pulmonary response to silica exposure? Eight strains of inbred mice were used to examine the genetic influence on the lung fibrotic response to silica exposure. After intercross-breeding between the most susceptible and most resistant strains, a genome-wide linkage analysis of quantitative trait loci (QTL) was performed. Hydroxyproline was applied as an index, and genotypes of 167 marker genes were analysed by fragment analysis using a capillary-type sequencer. There was significant inter-strain difference in the mean concentration of hydroxyproline contents among the eight strains of mice. Breeding studies were conducted between the most susceptible, C57BL/6J, and the most resistant strain, CBA/J. A genome-wide linkage analysis of silica-exposed intercrossed cohorts identified significant QTL on chromosome 4 and suggestive QTL on chromosomes 3 and 18. The present study demonstrates that genetic factors may play a significant role in fibrotic-lung responses to silica; one significant and two suggestive quantitative trait loci were identified. PUBMED: 16837500
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Annotation Information

Chromosomes, Human, Pair 4 (D002894)
Play and Playthings (D010988)
Environment (D004777)
Chromosomes (D002875)
Genetic Linkage (D008040)
Quantitative Trait Loci (D040641)
Attention (D001288)
Hydroxyproline (D006909)
Breeding (D001947)
Genotype (D005838)
Genetic Loci (D056426)
Silicosis (D012829)
Silicon Dioxide (D012822)
Confidence Intervals (D016001)
response to silicon dioxide (GO:0034021)
chromosome (GO:0005694)

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