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Sumeet Gupta, Devesh Chauhan, Kritika Mehla, Preeti Sood, Anroop Nair
Using food products to promote health and cure disease is renowned. Currently, most of the drug molecules available in the formulations were anciently used in their crude form. Dr Stephen De Felice first coins the term nutraceutics in 1989 to provide medical or health benefits including the prevention and treatment of diseases. This review classified the large number of nutraceuticals available from various sources and its significance. Further, the regulatory status of nutraceuticals and latest trends in nutragenomics are discussed...
March 2010: Journal of Basic and Clinical Pharmacy
Subrata Chakrabarti, Jane E Freedman
Thrombus formation in a disrupted endothelium is influenced not only by the platelet redox state and reactive oxygen and nitrogen species but also by the presence of endogenous or exogenous antioxidants. Thrombus formation in the stenotic arteries is triggered predominantly by attenuated shear stress. Superoxide and nitric oxide production, as well as their metabolism, potentially influence platelet activation and thrombosis. Antioxidant supplementation has not been generally associated with better cardiovascular outcome and is often compounded by bleeding and hemorrhagic stroke...
August 2010: Cardiovascular Therapeutics
Francesco Marotta, Keiko Koike, Aldo Lorenzetti, Shalini Jain, Paola Signorelli, Yussef Metugriachuk, Pierre Mantello, Nicola Locorotondo
We tested the effect of a fermented papaya preparation (FPP; ORI, Gifu, Japan) on redox balance gene expression in 11 healthy nonsmoker, teetotaller individuals subjected to a detailed dietary and lifestyle questionnaire who refrained from any multivitamin supplement or fortified food. Redox status was assessed by erythrocyte and plasma parameters together with related leukocyte mRNA (glutathione peroxidase [GPx], superoxide dismutase [SOD], catalase, 8-oxoguanine glycosylase [hOGG1]) before/after 6 grams of FPP supplementation...
April 2010: Rejuvenation Research
Eoin P Quinlivan, Jesse F Gregory
Methylation of the promoter CpG regions regulates gene transcription by inhibiting transcription factor binding. Deoxycytidine methylation may regulate cell differentiation, while aberrations in the process may be involved in cancer etiology and the development of birth defects (e.g. neural tube defects). Similarly, nutritional deficiency and certain nutragenomic interactions are associated with DNA hypomethylation. While LC-MS has been used previously to measure percentage genomic deoxycytidine methylation, a lack of a secure source of internal standards and the need for laborious and time-consuming DNA digestion protocols constitute distinct limitations...
October 2008: Nucleic Acids Research
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