A gene conferring susceptibility to type 2 diabetes in conjunction with obesity is located on chromosome 18p11

Research output: Contribution to journalArticle


Genome-wide nonparametric linkage analysis of 480 sib-pairs affected with type 2 diabetes revealed linkage to a previously unreported susceptibility locus on chromosome 18p11. This result improved with stringent subphenotyping using age- and sex-adjusted BMI, ultimately reaching a logarithm of odds of 3.82 (allele sharing 0.6654) at a point between markers D18S976 and D18S391 when the most obese 20% of the sample was analyzed. Several genes on chromosome 18 have been suggested as metabolic disease candidates, but none of these colocalize with our linkage result. We conclude that our results provide support for the presence of a currently uncharacterized gene on chromosome 18p, certain alleles of which confer increased susceptibility to type 2 diabetes in conjunction with obesity. We additionally observed moderate evidence for linkage to chromosome 1, near marker D1S3462; chromosome 4, near marker D4S2361; chromosome 5, near marker D5S1505; and chromosome 17, near marker D17S1301.


  • Alex Parker
  • Joanne Meyer
  • Steve Lewitzky
  • Jean S. Rennich
  • Gayun Chan
  • Jeffrey D. Thomas
  • Marju Orho-Melander
  • Mikko Lehtovirta
  • Carol Forsblom
  • Auli Hyrkko
  • Martin Carlsson
  • Cecilia Lindgren
  • Leif Groop
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Endocrinology and Diabetes
Original languageEnglish
Pages (from-to)675-680
Issue number3
Publication statusPublished - 2001
Publication categoryResearch

Bibliographic note

The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Pediatrics/Urology/Gynecology/Endocrinology (013240400), Diabetes and Endocrinology (013241530)