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Full-Text Articles in Life Sciences

Expression Analysis Of The Imprinted Gene Transketolase-Like 1 In Mouse And Human, Amy F. Friss May 2011

Expression Analysis Of The Imprinted Gene Transketolase-Like 1 In Mouse And Human, Amy F. Friss

Master's Theses

Genomic imprinting is an epigenetic phenomenon resulting in differential gene expression based on parental origin. Recently, transketolase-like 1 (TKTL1) has been identified as an X-linked imprinted gene. TKTL1 functions in the nonoxidative branch of the pentose phosphate pathway (PPP), which maintains glutathione in a reduced state through the generation of NADPH. Previous studies on transaldolase, the other critical enzyme in the nonoxidative branch of the PPP, suggest that TKTL1 may affect the cell’s ability to reduce glutathione. This study provides evidence that TKTL1 overexpression inhibits glutathione reduction. Intriguingly, aberrant glutathione levels are associated with autism. Additionally, studies involving …


Gene And Environment Interactions Modulate Immune System Influences On Social Behavior, Yubin Zhang Jan 2011

Gene And Environment Interactions Modulate Immune System Influences On Social Behavior, Yubin Zhang

Legacy Theses & Dissertations (2009 - 2024)

Autism is a neurodevelopmental disorder with unknown etiology, affecting about 1 in 110 children in the US. Here, we show that developmental exposure to anti-brain Abs impaired mouse social behaviors. BTBR mice, a mouse strain with high serum anti-brain Abs and behaviors that resemble autism, have more activated splenic B cells, CD4+ T cells (Th1, Th2 and Th17 subsets), and CD4+ T cells with expression of Vb6 chains than B6 mice (the control H-2 identical strain). Elevated numbers of activated (CD25+) CD4+Vb6+ cells also were detected in thymic preparations. All of the immunological and behavioral parameters of BTBR mice were …