Open Access Repository

Genome-wide linkage scan for loci influencing plasma triglyceride levels


Downloads per month over past year

Peralta, JM, Blackburn, NB, Porto, A, Blangero, J and Charlesworth, J ORCID: 0000-0001-6201-3518 2018 , 'Genome-wide linkage scan for loci influencing plasma triglyceride levels' , BMC Proceedings, vol. 12, no. Suppl , pp. 1-6 , doi: 10.1186/s12919-018-0137-6.

130925 - Genome...pdf | Download (1MB)

| Preview


We conducted a genome-wide linkage scan to detect loci that influence the levels of fasting triglycerides in plasma. Fasting triglyceride levels were available at 4 time points (visits), 2 pre- and 2 post-fenofibrate intervention. Multipoint identity-by-descent (MIBD) matrices were derived from genotypes using IBDLD. Variance-component linkage analyses were then conducted using SOLAR (Sequential Oligogenic Linkage Analysis Routines). We found evidence of linkage (logarithm of odds [LOD] ≥3) at 5 chromosomal regions with triglyceride levels in plasma. The highest LOD scores were observed for linkage to the estimated genetic value (additive genetic component) of the log-normalized triglyceride levels in plasma. Our results suggest that a chromosome 10 locus at 37 cM (LODpre = 3.01, LODpost = 3.72) influences fasting triglyceride levels in plasma regardless of the fenofibrate intervention, and that loci in chromosomes 1 at 170 cM and 4 at 24 cM ceases to affect the triglyceride levels when fenofibrate is present, while the regions in chromosomes 6 at 136 to 162 cM and 11 at 39 to 40 cM appear to influence triglyceride levels in response to fenofibrate.

Item Type: Article
Authors/Creators:Peralta, JM and Blackburn, NB and Porto, A and Blangero, J and Charlesworth, J
Keywords: linkage analysis, triglycerides, Genetic Analysis Workshop 20, GAW20
Journal or Publication Title: BMC Proceedings
Publisher: BioMed Central Ltd.
ISSN: 1753-6561
DOI / ID Number: 10.1186/s12919-018-0137-6
Copyright Information:

Copyright 2018 The Authors. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0)

Related URLs:
Item Statistics: View statistics for this item

Actions (login required)

Item Control Page Item Control Page