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Biomedical subjects

A Holmes

Publications and source records attributed to A Holmes.

At least 217 records · Page 12Linked to original sources

Controlling the rate in community rating--experts aren't sure how.

What premiums states pay under community rating will be determined by how much they spend on health care. But it's not clear how spending is affected by prices, utilization, disease rates, and behavior. The answers will test Americans' commitment to one another.

Aged↗

Dietary intakes and leisure-time physical activity in West Virginians.

Poor diet and physical inactivity contribute to many chronic diseases in the United States each year. Diets low in saturated fatty acids and cholesterol and high in plant foods, i.e., fruits and vegetables, legumes and whole cereals, are protective. Physically active lifestyles are associated with lower risk of cardiovascular diseases, diabetes, obesity and some cancers. To access diet and physical activity levels in West Virginians, we conducted a study which was supported by the West Virginia Bureau for Public Health and the West Virginia University Prevention Research Center (CDC Cooperative Agreement). The purposes of this study were to estimate the proportion of the sample meeting recommendations for chronic disease prevention, and to examine if the individuals who were meeting the Surgeon General's physical activity recommendation for health are also consuming healthier diets. Our results showed that reducing saturated fatty acids and increasing consumption of folate, Vitamin E, calcium and fiber are of prime public health importance in West Virginia. Diet and activity levels were modestly related, suggesting that those who adopt a healthy diet also become more active and vice versa. Due to the cross-sectional nature of this data, it is unknown if single-strategy or dual interventions work best. Prospective studies are needed to determine optimal strategies.

Adult↗

Metabolism of the acyl-CoA:cholesterol acyltransferase inhibitor 2,2-dimethyl-N-(2,4,6-trimethoxyphenyl)dodecanamide in rat and monkey. Omega-/beta-oxidation pathway.

2,2-Dimethyl-N-(2,4,6-trimethoxyphenyl)dodecanamide (CI-976) is a newly developed hypocholesterolemic agent. In pharmacokinetic studies, CI-976 was found to have a much shorter elimination half-life in monkey (0.6 hr) compared to rat (8 hr). Radioactivity analysis of biological samples from rats and monkeys administered [14C]CI-976 either iv or orally showed CI-976 to be extensively metabolized to a single major common metabolite. This metabolite was isolated and its structure determined by GC/MS, LC/MS, and NMR spectroscopy as a 6-carbon chain-shortened carboxylic acid derivative, 5,5-dimethyl-6-oxo-6-[(2,4,6-trimethoxyphenyl)amino]-hexanoic acid. A potential pathway leading to this carboxylic acid derivative may involve initial omega-oxidation followed by beta-oxidation. A potential species difference in omega-/beta-oxidative biotransformation capabilities appears to exist.

Administration, Oral↗