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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

The gene CYP3 encoding P450pcn1 (nifedipine oxidase) is tightly linked to the gene COL1A2 encoding collagen type 1 alpha on 7q21-q22.1.

CYP3, the gene which encodes the hepatic cytochrome P450pcn1, the isozyme responsible for the metabolic oxidation of the calcium channel-blocking drug nifedipine, has recently been mapped to human chromosome 7 using somatic cell hybrids. Using multilocus linkage analysis in CEPH families, we examined the linkage of a cDNA probe (hPCN1) for CYP3 to the oncogene MET, the pro-alpha 2(1) collagen gene COL1A2, and the T-cell receptor beta-chain gene TCRB, together with three arbitrary loci D7S8, D7S13, and D7S16, defined by the anonymous DNA probes pJ3.11, pB79a, and p7C22, respectively. From 70 CEPH parents screened with a StyI RFLP for hPCN1, four informative families were found each with both parental and maternal grandparents and 6-11 children per family. Tight linkage emerged between CYP3 and COL1A2, with a maximum combined lod score of 5.72 at theta = 0, suggesting the most likely subchromosomal localization of CYP3 is 7q21.3-q22.1.[1]

References

  1. The gene CYP3 encoding P450pcn1 (nifedipine oxidase) is tightly linked to the gene COL1A2 encoding collagen type 1 alpha on 7q21-q22.1. Brooks, B.A., McBride, O.W., Dolphin, C.T., Farrall, M., Scambler, P.J., Gonzalez, F.J., Idle, J.R. Am. J. Hum. Genet. (1988) [Pubmed]
 
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