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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Epigenetic Alterations of Toll-Like Receptors by TET2 in Spontaneous Preterm LaborChumble, Anuja 01 January 2014 (has links)
Increasing evidence implicates the presence of bacteria in intrauterine tissues as an important risk factor for spontaneous preterm labor. Epigenetic alterations of innate immunity genes may increase the mother’s sensitivity to subclinical levels of bacteria. This study examined the presence of TET2, TLR-2, and TLR-9 in intrauterine tissue, and evaluated whether epigenetic alterations of these genes, as well as IL-8, changed their expression in human decidual tissue and a macrophage cell culture. Immunohistochemicalstaining was used to detect the presence of these proteins in intrauterine tissue. Gene expression changes were evaluated in stimulated monocytes and macrophages. Fluorescence immunohistochemistry was used to track translocation of TET2 in stimulated monocytes and macrophages. Secreted IL-8 concentration was detected with ELISA. Decidual expression of TET2, TLR-2, and TLR-9 increased in the order TNL < TL < sPTL < iPTL. This study found that TET2, TLR-2, TLR-9, and IL-8 are regulated by epigenetic mechanisms. This study was the first to report activation of TET2 involves its translocation from the cytosol to the nucleus in macrophages.
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