Dietary Fats

Publication Title: 
Current Opinion in Investigational Drugs (London, England: 2000)

SIRT1 (sirtuin 1) is the human ortholog of the yeast Sir2 (silent information regulator 2) protein, which is implicated in lifespan extension in model organisms, such as yeast, worms and flies. It is an NAD+-dependent protein deacetylase with over two dozen known substrates that affect a wide variety of cellular processes, ranging from metabolism, cell cycle, growth and differentiation, inflammation, senescence, apoptosis, stress response and aging.

Author(s): 
Ghosh, Hiyaa Singhee
Publication Title: 
The American Journal of Clinical Nutrition
Author(s): 
Schlenker, E. D.
Feurig, J. S.
Stone, L. H.
Ohlson, M. A.
Mickelsen, O.
Publication Title: 
Advances in Experimental Medicine and Biology
Author(s): 
Young, V. R.
Publication Title: 
Journal of Animal Science
Author(s): 
Hegarty, P. V.
Publication Title: 
The Journal of Nutrition

A freeze-dried human diet, based on linoleic acid-enriched food stuffs derived from ruminants, was evaluated and compared with a similarly-prepared diet based on conventional ruminant-derived foodstuffs, using Porton rats in a whole-of-life study. A cereal-based stock diet was used for comparison. Serum biochemical and histopathological examinations were carried out at 0.25, 1.1 and 2.1 years of age and other rats were left until they died of natural causes.

Author(s): 
Horn, P. L.
Laver, J. J.
Fogerty, A. C.
Johnson, A. R.
Publication Title: 
Voprosy Pitaniia
Author(s): 
Grigorov, Iu G.
Kozlovskaia, S. G.
Publication Title: 
Journal of Gerontology

Data were obtained from 70 individuals (M age = 78.7, SE = 4.1 years) who attended the Pritikin Longevity Center's 26-day residential program where they were exposed to a high-complex-carbohydrate, low-fat diet, and daily exercise. During the 26-day program, serum cholesterol was reduced from 222 (SE = 5) to 179 (SE = 5) mg/dl, and triglycerides were reduced from 156 (SE = 10) to 141 (SE = 7) mg/dl. Body weight was reduced an average of 2.2 kg. Treadmill performance increased from 3.7 (SE = .1) to 5.5 (SE = .2) METs.

Author(s): 
Weber, F.
Barnard, R. J.
Roy, D.
Publication Title: 
Annual Review of Nutrition
Author(s): 
Emken, E. A.
Publication Title: 
Pharmacological Reviews
Author(s): 
Fernandes, G.
Publication Title: 
The American Journal of Medicine

Recent studies have implicated elevated levels of serum estradiol in males as the major predisposing factor for myocardial infarction, with serum cholesterol playing a secondary role. The purpose of the present study was to investigate the effects of a high-complex-carbohydrate, low-fat, low-cholesterol diet and daily exercise on levels of serum estradiol, testosterone, and lipids in males. Twenty-one males participating in the Pritikin Longevity Center 26-day residential program volunteered for the study.

Author(s): 
Rosenthal, M. B.
Barnard, R. J.
Rose, D. P.
Inkeles, S.
Hall, J.
Pritikin, N.

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