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Articles by G Tofler
Total Records ( 2 ) for G Tofler
  K Musunuru , W. S Post , W Herzog , H Shen , J. R O'Connell , P. F McArdle , K. A Ryan , Q Gibson , Y. C Cheng , E Clearfield , A. D Johnson , G Tofler , Q Yang , C. J O'Donnell , D. M Becker , L. R Yanek , L. C Becker , N Faraday , L. F Bielak , P. A Peyser , A. R Shuldiner and B. D. Mitchell
  Background—

Genome-wide association studies have identified a locus on chromosome 9p21.3 to be strongly associated with myocardial infarction/coronary artery disease and ischemic stroke. To gain insights into the mechanisms underlying these associations, we hypothesized that single nucleotide polymorphisms (SNPs) in this region would be associated with platelet reactivity across multiple populations.

Methods and Results—

Subjects in the initial population included 1402 asymptomatic Amish adults in whom we measured platelet reactivity (n=788) and coronary artery calcification (CAC) (n=939). Platelet reactivity on agonist stimulation was measured by impedance aggregometry, and CAC was measured by electron beam CT. Twenty-nine SNPs at the 9p21.3 locus were genotyped using the Affymetrix 500K array. Twelve correlated SNPs in the locus were significantly associated with platelet reactivity (all P≤0.001). The SNP most strongly associated with platelet reactivity, rs10965219 (P=0.0002), also was associated with CAC (P=0.002) along with 9 other SNPs (all P<0.004). Association of rs10965219 with platelet reactivity persisted after adjustment for CAC, a measure of underlying atherosclerotic burden known to affect platelet reactivity. We then tested rs10965219 for association with platelet function in 2364 subjects from the Framingham Heart Study and 1169 subjects from the Genetic Study of Aspirin Responsiveness. The rs10965219 G allele (frequency 51% across all 3 populations) was significantly associated with higher platelet reactivity in the Framingham Heart Study (P=0.001) and trended toward higher reactivity in the Genetic Study of Aspirin Responsiveness (P=0.087); the combined P value for metaanalysis was 0.0002.

Conclusions—

These results suggest that risk alleles at 9p21.3 locus may have pleiotropic effects on myocardial infarction/coronary artery disease and stroke risk, possibly through their influence on platelet reactivity.

  B McEwen , M. C Morel Kopp , G Tofler and C. Ward
 

Purpose

Diabetes and cardiovascular disease are major public health concerns worldwide and are leading causes of morbidity and mortality. People with type 2 diabetes are at an increased risk for cardiovascular disease. Diet has a substantial affect on the progression of many diseases, including diabetes, cardiovascular disease, osteoporosis, and arthritis. Omega-3 polyunsaturated fatty acids (long-chain polyunsaturated fatty acids [LC-PUFA]) have long been attributed to the maintenance of health and may be of benefit in reducing cardiovascular risk. The purpose of this review is to investigate the possible roles of omega-3 in reducing cardiovascular risk in patients with diabetes.

Methods

A literature search was conducted from the Medline, EBSCO, and EMBASE databases. Articles that addressed diabetes, cardiovascular disease, or omega-3 were included.

Results

Reviews and studies reported an association with fish and omega-3 LC-PUFA consumption and decreased total cardiovascular mortality (approximately 15%-19%), along with decreased platelet activation and aggregation, improved lipid profiles, including reduction of triglycerides and very low-density lipoprotein (VLDL), decreased inflammation, and lowered blood pressure.

Conclusion

Diets higher in fish and omega-3 LC-PUFA may reduce cardiovascular risk in diabetes by inhibiting platelet aggregation, improving lipid profiles, and reducing cardiovascular mortality. Fish and omega-3 LC-PUFA can be recommended to people with diabetes and included into a diabetes management program.

 
 
 
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