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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Tintle, N. L. Pottala, J. V. Lacey, S. Ramachandran, V. Westra, J. Rogers, A. Clark, J. Olthoff, B. Larson, M. Harris, W. Shearer, G. C. |
| Spatial Coverage | Massachusetts |
| Description | Author Affiliation: Tintle NL ( Department of Mathematics, Statistics and Computer Science, Dordt College, Sioux Center, IA 51250, USA. Electronic address: nathan.tintle@dordt.edu.); Pottala JV ( Health Diagnostic Laboratory, Richmond, VA, USA); Lacey S ( Department of Biostatistics, Boston University School of Public Health, 801 Massachusetts Ave., Boston, MA, USA.); Ramachandran V ( Framingham Heart Study, 73 Mt. Wayte Ave., Framingham, MA 01702, USA); Westra J ( Department of Mathematics, Statistics and Computer Science, Dordt College, Sioux Center, IA 51250, USA.); Rogers A ( Department of Mathematics, Statistics and Computer Science, Dordt College, Sioux Center, IA 51250, USA.); Clark J ( Department of Mathematics, Statistics and Computer Science, Dordt College, Sioux Center, IA 51250, USA.); Olthoff B ( Department of Mathematics, Statistics and Computer Science, Dordt College, Sioux Center, IA 51250, USA.); Larson M ( Department of Biostatistics, Boston University School of Public Health, 801 Massachusetts Ave., Boston, MA, USA); Harris W ( Health Diagnostic Laboratory, Richmond, VA, USA); Shearer GC ( Department of Nutritional Sciences, Pennsylvania State University, University Park, PA, USA.) |
| Abstract | Most genome-wide association studies have explored relationships between genetic variants and plasma phospholipid fatty acid proportions, but few have examined apparent genetic influences on the membrane fatty acid profile of red blood cells (RBC). Using RBC fatty acid data from the Framingham Offspring Study, we analyzed over 2.5 million single nucleotide polymorphisms (SNPs) for association with 14 RBC fatty acids identifying 191 different SNPs associated with at least 1 fatty acid. Significant associations (p<1×10(-8)) were located within five distinct 1MB regions. Of particular interest were novel associations between (1) arachidonic acid and PCOLCE2 (regulates apoA-I maturation and modulates apoA-I levels), and (2) oleic and linoleic acid and LPCAT3 (mediates the transfer of fatty acids between glycerolipids). We also replicated previously identified strong associations between SNPs in the FADS (chromosome 11) and ELOVL (chromosome 6) regions. Multiple SNPs explained 8-14% of the variation in 3 high abundance (>11%) fatty acids, but only 1-3% in 4 low abundance (<3%) fatty acids, with the notable exception of dihomo-gamma linolenic acid with 53% of variance explained by SNPs. Further studies are needed to determine the extent to which variations in these genes influence tissue fatty acid content and pathways modulated by fatty acids. |
| File Format | HTM / HTML |
| ISSN | 09523278 |
| e-ISSN | 15322823 |
| DOI | 10.1016/j.plefa.2014.11.007 |
| Journal | Prostaglandins, Leukotrienes and Essential Fatty Acids (PLEFA) |
| Volume Number | 94 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-03-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Discipline Endocrinology Chromosomes, Human Genetics Erythrocytes Metabolism Fatty Acids Blood Genome-wide Association Study Polymorphism, Single Nucleotide 1-acylglycerophosphocholine O-acyltransferase Acetyltransferases Extracellular Matrix Proteins Genotype Glycoproteins Linkage Disequilibrium Longitudinal Studies Massachusetts Research Support, N.i.h., Extramural Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Clinical Biochemistry |
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