Molecular scanning for mutations in the melanocortin-4 receptor gene in obese/diabetic Japanese.

Abstract:

:Decreased function of the melanocortin-4 receptor (MC4R) was reported to cause late-onset obesity and insulin resistance in rodents. Thus mutations in the MC4R gene drew strong attention as a possible cause of obesity and diabetes. We screened for mutations in the MC4R gene in extremely obese [body mass index (BMI) > or = 35 kg/m2] Japanese with diabetes by direct sequencing. A heterozygous mutation (V103I) was detected in one case (2.0 %), however the frequency was not significantly different from that in non-obese (BMI < or = 24 kg/m2) and non-diabetic subjects (2.7 %). No other mutations were detected. These results suggest that mutations including V103I in the MC4R gene are not a major cause of obesity or diabetes in Japanese.

journal_name

Ann Hum Genet

journal_title

Annals of human genetics

authors

Ohshiro Y,Sanke T,Ueda K,Shimajiri Y,Nakagawa T,Tsunoda K,Nishi M,Sasaki H,Takasu N,Nanjo K

doi

10.1017/S0003480099007782

subject

Has Abstract

pub_date

1999-11-01 00:00:00

pages

483-7

issue

Pt 6

eissn

0003-4800

issn

1469-1809

pii

S0003480099007782

journal_volume

63

pub_type

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