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Adrenocorticotropin receptor/melanocortin receptor‐2 maps within a reported susceptibility region for bipolar illness on chromosome 18

Adrenocorticotropin receptor/melanocortin receptor‐2 maps within a reported susceptibility region... We have examined the possible linkage of adrenocorticotropin receptor/melanocortin receptor‐2 (ACTHR/MC‐2) to a reported putative susceptibility locus for bipolar illness (BP) in 20 affected pedigrees. Initially, allelic variants of the gene were identified by polymerase chain reaction‐single stranded conformation polymorphism (PCR‐SSCP) and the gene was genetically mapped using both the Centre d'Etudes du Polymorphisme Humain (CEPH) pedigrees and the BP pedigrees used in this study. We found that the ACTHR/MC‐2 gene maps between D18S53 and D18S66. These loci span a region of chromosome 18 which, in a previous study (Berrettini et al.: Proc Natl Acad Sci USA 91:5918–5921, 1994) revealed a putative predisposing locus to BP through nonparametric methods of linkage analysis. Linkage of ACTHR/MC‐2 to BP was not demonstrable under parametric and nonparametric methods of analyses, although affected sib‐pair (ASP) method revealed an increase in allele sharing among ill individuals, P=0.023. Since this receptor is within a potential linkage region, ACTHR/MC‐2 could be considered a candidate gene for BP. © 1995 Wiley‐Liss, Inc. This Article is a U.S. Government work and, such as, is in the public domain in the United State of America. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Medical Genetics Part A Wiley

Adrenocorticotropin receptor/melanocortin receptor‐2 maps within a reported susceptibility region for bipolar illness on chromosome 18

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References (22)

Publisher
Wiley
Copyright
Copyright © 1995 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1552-4825
eISSN
1552-4833
DOI
10.1002/ajmg.1320600411
pmid
7485268
Publisher site
See Article on Publisher Site

Abstract

We have examined the possible linkage of adrenocorticotropin receptor/melanocortin receptor‐2 (ACTHR/MC‐2) to a reported putative susceptibility locus for bipolar illness (BP) in 20 affected pedigrees. Initially, allelic variants of the gene were identified by polymerase chain reaction‐single stranded conformation polymorphism (PCR‐SSCP) and the gene was genetically mapped using both the Centre d'Etudes du Polymorphisme Humain (CEPH) pedigrees and the BP pedigrees used in this study. We found that the ACTHR/MC‐2 gene maps between D18S53 and D18S66. These loci span a region of chromosome 18 which, in a previous study (Berrettini et al.: Proc Natl Acad Sci USA 91:5918–5921, 1994) revealed a putative predisposing locus to BP through nonparametric methods of linkage analysis. Linkage of ACTHR/MC‐2 to BP was not demonstrable under parametric and nonparametric methods of analyses, although affected sib‐pair (ASP) method revealed an increase in allele sharing among ill individuals, P=0.023. Since this receptor is within a potential linkage region, ACTHR/MC‐2 could be considered a candidate gene for BP. © 1995 Wiley‐Liss, Inc. This Article is a U.S. Government work and, such as, is in the public domain in the United State of America.

Journal

American Journal of Medical Genetics Part A – Wiley

Published: Feb 14, 1996

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