Polymorphisms in genes involved in folate metabolism modify the association of dietary and circulating folate and vitamin B-6 with cervical neoplasia

submitted by: LUCIANA TOMITA
High folate intake has been suggested as an important factor for cancer prevention; however, previous studies on the relationship between folate intake, serum folate and plasma homocysteine are controversial. We conducted a hospital-based, case-control study in Brazil investigating associations between dietary and circulating vitamins B-6, B-12 and folate, homocysteine, genotypes of folate-metabolizing enzyme methylenetetrahydrofolate reductase [MTHFR C677T, A1298C],...
Authors: Luciana Tomita, Vania d'Almeida, Luisa Villa, Eduardo Franco, Marly Cardoso

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

Correcting for Inflammation Changes Estimates of Iron Deficiency among Rural Kenyan Preschool Children

submitted by: ebogrant5
The assessment of iron status where infections are common is complicated by the effects of inflammation on iron indicators and in this study we compared approaches that adjust for this influence. Blood was collected in 680 children (aged 6–35 mo) and indicators of iron status [(hemoglobin (Hb), zinc protoporphyrin (ZP), ferritin, transferrin receptor (TfR), and TfR/ferritin index)] and subclinical inflammation [(the acute phase proteins (APP) C-reactive protein (CRP), and a-1-acid...
Authors: Frederick Grant, Parminder Suchdev, Rafael Flores-Ayala, Conrad Cole, Usha Ramakrishnan, Laird Ruth, Reynaldo Martorell

Polymorphism of Liquid Crystal Anchoring Induced by Phase Transitions of a Photoisomerizable Surfactant at the Nematic/Aqueous Interface

submitted by: icamvid

Daniel Schwartz gives a talk at the LC2CAM conference about his group's studies of surface anchoring, mesoscopic elasticity, and optical anisotropy of liquid crystals.