The Search for Genetic Risk Factors of Type 2 Diabetes Mellitus

Type 2 diabetes mellitus (T2DM) is caused by complex interplay between multiple genetic and environmental factors. The three major approaches used to identify the genetic susceptibility include candidate gene approach, familial linkage analysis and genome- wide association analysis. Recent advance i...

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Main Author: Kyong Soo Park
Format: Article
Language:English
Published: Korean Diabetes Association 2011-02-01
Series:Diabetes & Metabolism Journal
Subjects:
Online Access:http://e-dmj.org/Synapse/Data/PDFData/2004DMJ/dmj-35-12.pdf
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author Kyong Soo Park
author_facet Kyong Soo Park
author_sort Kyong Soo Park
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description Type 2 diabetes mellitus (T2DM) is caused by complex interplay between multiple genetic and environmental factors. The three major approaches used to identify the genetic susceptibility include candidate gene approach, familial linkage analysis and genome- wide association analysis. Recent advance in genome-wide association studies have greatly improved our understanding of the pathophysiology of T2DM. As of the end of 2010, there are more than 40 confirmed T2DM-associated genetic loci. Most of the T2DM susceptibility genes were implicated in decreased β-cell function. However, these genetic variations have a modest effect and their combination only explains less than 10% of the T2DM heritability. With the advent of the next-generation sequencing technology, we will soon identify rare variants of larger effect as well as causal variants. These advances in understanding the genetics of T2DM will lead to the development of new therapeutic and preventive strategies and individualized medicine.
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spelling doaj.art-81f115c1712c41708d7cd664c13d84b62022-12-22T02:43:39ZengKorean Diabetes AssociationDiabetes & Metabolism Journal2233-60792233-60872011-02-01351122210.4093/dmj.2011.35.1.122742The Search for Genetic Risk Factors of Type 2 Diabetes MellitusKyong Soo ParkType 2 diabetes mellitus (T2DM) is caused by complex interplay between multiple genetic and environmental factors. The three major approaches used to identify the genetic susceptibility include candidate gene approach, familial linkage analysis and genome- wide association analysis. Recent advance in genome-wide association studies have greatly improved our understanding of the pathophysiology of T2DM. As of the end of 2010, there are more than 40 confirmed T2DM-associated genetic loci. Most of the T2DM susceptibility genes were implicated in decreased β-cell function. However, these genetic variations have a modest effect and their combination only explains less than 10% of the T2DM heritability. With the advent of the next-generation sequencing technology, we will soon identify rare variants of larger effect as well as causal variants. These advances in understanding the genetics of T2DM will lead to the development of new therapeutic and preventive strategies and individualized medicine.http://e-dmj.org/Synapse/Data/PDFData/2004DMJ/dmj-35-12.pdfDiabetes mellitus, type 2GeneGenome-wide association studiesHeritabilityNext generation sequencingSingle nucleotide polymorphism
spellingShingle Kyong Soo Park
The Search for Genetic Risk Factors of Type 2 Diabetes Mellitus
Diabetes & Metabolism Journal
Diabetes mellitus, type 2
Gene
Genome-wide association studies
Heritability
Next generation sequencing
Single nucleotide polymorphism
title The Search for Genetic Risk Factors of Type 2 Diabetes Mellitus
title_full The Search for Genetic Risk Factors of Type 2 Diabetes Mellitus
title_fullStr The Search for Genetic Risk Factors of Type 2 Diabetes Mellitus
title_full_unstemmed The Search for Genetic Risk Factors of Type 2 Diabetes Mellitus
title_short The Search for Genetic Risk Factors of Type 2 Diabetes Mellitus
title_sort search for genetic risk factors of type 2 diabetes mellitus
topic Diabetes mellitus, type 2
Gene
Genome-wide association studies
Heritability
Next generation sequencing
Single nucleotide polymorphism
url http://e-dmj.org/Synapse/Data/PDFData/2004DMJ/dmj-35-12.pdf
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