Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2009-2-27
pubmed:abstractText
It has been proposed that functional mutations in the melanocortin 4 receptor (MC4R) gene have an important impact in body mass index, being considered as a major susceptibility gene for obesity. A number of mutations have been reported in the MC4R gene in subjects from different countries and ethnic groups. However, no reports of MC4R mutations are have been published for South American populations. In this study, DNA samples of thirty-two unrelated obese women of Chilean origin were examined to search for genetic variants in the single exon of the gene through the use of single strand conformational polymorphism techniques and direct sequencing, leading to the identification of a Thr150Ile mutation in heterozygous status. The evaluation of family relatives of the index case for this mutation using PCR-RFLP analysis, identified two additional carriers in a three-generation family. Obesity, eating behavior and body composition phenotypes in this family revealed a possible relation of this variant with obesity in the presence of reduced penetrance. According to our knowledge, this is the first report of MC4R mutations in South American populations.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
1138-7548
pubmed:author
pubmed:issnType
Print
pubmed:volume
64
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
205-10
pubmed:meshHeading
pubmed-meshheading:19244934-Adult, pubmed-meshheading:19244934-Aged, pubmed-meshheading:19244934-Body Composition, pubmed-meshheading:19244934-Body Mass Index, pubmed-meshheading:19244934-Child, pubmed-meshheading:19244934-Chile, pubmed-meshheading:19244934-Family Characteristics, pubmed-meshheading:19244934-Feeding Behavior, pubmed-meshheading:19244934-Female, pubmed-meshheading:19244934-Gene Frequency, pubmed-meshheading:19244934-Heterozygote, pubmed-meshheading:19244934-Humans, pubmed-meshheading:19244934-Isoleucine, pubmed-meshheading:19244934-Male, pubmed-meshheading:19244934-Middle Aged, pubmed-meshheading:19244934-Mutation, Missense, pubmed-meshheading:19244934-Obesity, pubmed-meshheading:19244934-Pedigree, pubmed-meshheading:19244934-Penetrance, pubmed-meshheading:19244934-Receptor, Melanocortin, Type 4, pubmed-meshheading:19244934-Threonine
pubmed:year
2008
pubmed:articleTitle
Obesity and eating behaviour in a three-generation Chilean family with carriers of the Thrl50Ile mutation in the melanocortin-4 receptor gene.
pubmed:affiliation
Department of Nutrition, Diabetes and Metabolism, School of Medicine, Pontificia Universidad Católica de Chile. jsantos@med.puc.cl
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't