DNA methylation potential: dietary intake and blood concentrations of one-carbon metabolites and cofactors in rural African women

submitted by: enphpdom
Background: Animal models show that periconceptional supplementation with folic acid, vitamin B-12, choline, and betaine can induce differences in offspring phenotype mediated by epigenetic changes in DNA. In humans, altered DNA methylation patterns have been observed in offspring whose mothers were exposed to famine or who conceived in the Gambian rainy season. Objective: The objective was to understand the seasonality of DNA methylation patterns in rural Gambian women. We studied natural...
Authors: P Dominguez-Salas, AM Prentice

Learn about the Sun ...with Poetry!

submitted by: TheSchoolOrg
http://www.the-school.org/ Little films for a big planet. ----------------------------------------------------------------- Twinkle twinkle, little star, 93 million miles far. Giver of light, supporter of life, energy, climate and season device. The sun is a star, we're glad it is here, as our life support, for 5 billion years. This star is among the brightest in space, though close, many questions about it remain. With violet ,orange, and reddish of hues, our home solar...

The global spread of Hepatitis C Virus

submitted by: Gkikas Magiorkinis

This video is a slideshow describing the main findings of our paper: The global spread of Hepatitis C Virus 1a and 1b: A phylogeographic and phylodynamic analysis, published in PLoS Medicine on the 15th December 2009 (Article).

Drug Discovery for Alzheimer's Disease

submitted by: alex01

Gregory Rose from PharmExperts.com interviews J. Buccafusco (Medical College of Georgia, Augusta, GA) about his development of new anti-Altzheimer drugs, designed to act by multiple mechanisms to improve congnition. Desensitization of nicotinic receptors is one of the novel approaches proposed by Buccafusco. Three of his compounds are currently in advanced preclinical evaluation.

Introduction to Plasma

submitted by: eternes

Great visuals and a clear explanation of the fourth state of matter, by University of Maryland materials science engineering major Michael Sweatt and graduate student Bobby Bruce