نتایج جستجو برای: omega
تعداد نتایج: 27140 فیلتر نتایج به سال:
A high omega-6/omega-3 ratio, as is found in today's Western diets, promotes the pathogenesis of many chronic diseases, including cardiovascular disease. Increased dietary intake of linoleic acid (LA) leads to oxidation of low-density lipoprotein (LDL), platelet aggregation, and interferes with the incorporation of essential fatty acids (EFA) in cell membrane phopholipids. Both omega-6 and omeg...
Peptide channel blockers found in venoms of many predators are useful pharmacological tools and potential therapeutic agents. The venom of the Brazilian spider Phoneutria nigriventer contains a fraction, omega-phonetoxin-IIA (omega-Ptx-IIA, 8360 MW), which blocks Ca2+ channels. At frog neuromuscular junctions (NMJ) bathed in normal Ca2+ (1.8 mM) saline, omega-Ptx IIA did not affect spontaneous ...
BACKGROUND Physical exercise and healthy dietary habits are recommended to prevent breast cancer. DISCUSSION Increased intake of omega-3 fatty acids associated with decreased omega-6 - resulting in higher omega-3 to omega-6 ratio compared with Western-type diet - is inversely associated with breast cancer risk. The modernized Mediterranean diet with high omega-3 to omega-6 ratio, high fiber a...
The possible backbone phosphodiester conformations in a dinucleoside monophosphate and a dinucleoside triphosphate have been investigated by semiempirical energy calculations. Conformational energies have been computed as a function of the rotations omega' and omega about the internucleotide P-O(3') and P-O(5') linkages, with the nucleotide residues themselves assumed to be in one of the prefer...
We have reexamined the hydroxylation of [1-14C]-lauric acid by trout liver microsomes and reconstituted trout P450s using a new HPLC system that gave an improved separation of hydroxylauric acids. Under these conditions, hepatic microsomes from yearling juvenile trout were shown to form omega-, (omega-1)-, (omega-2)-, (omega-3)-, (omega-4)-, (omega-5)-, and (omega-6)-OH lauric acid oxidation pr...
In the OMEGA study on patients after myocardial infarction, 1 the anticipated statistical power of 80% was not reached, which was attributed to the low incidence of sudden cardiac death in patients receiving current guideline-adjusted medical treatment. To detect an improvement of clinical outcome by omega-3 fatty acids, it is considered important to focus on patients with poor heart function. ...
Introduction: The prevalence of overweight and obesity in adolescents and adults worldwide is known to be a critical health determinant that begins in childhood and continues most of the time until adulthood. Brain Drived Nurotrophic Factor Growth Factor (BDNF) stimulates and activates neuronal stem cells that proliferates and differentiates neurons, and is essential for the regulation of neuro...
We investigate structures that can be represented by omega-automata, so called omega-automatic structures, and prove that relations defined over such structures in first-order logic expanded by the first-order quantifiers ‘there exist at most א0 many’, ’there exist finitely many’ and ’there exist k modulo m many’ are omega-regular. The proof identifies certain algebraic properties of omega-semi...
We study band dispersion relations omega(k-->) of a photonic crystal with at least one of the constitutive components being a magnetically ordered material. It is shown that by proper spatial arrangement of magnetic and dielectric components one can construct a magnetic photonic crystal with strong spectral asymmetry (nonreciprocity) omega(k-->) not equal omega(-k-->). The spectral asymmetry, i...
Several sources of information suggest that human beings evolved on a diet with a ratio of omega-6 to omega-3 essential fatty acids (EFA) of approximately 1 whereas in Western diets the ratio is 15/1-16.7/1. Western diets are deficient in omega-3 fatty acids, and have excessive amounts of omega-6 fatty acids compared with the diet on which human beings evolved and their genetic patterns were es...
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