Anita S. Weinberg

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The OX-40 receptor (OX-40R) is a cell surface glycoprotein of the tumor necrosis factor receptor family that is expressed primarily on activated CD4 T cells. Engagement of OX-40R by the OX-40 ligand (OX-40L) is known to costimulate the production of cytokines by activated T lymphocytes and to rescue effector T cells from activation-induced cell death. It(More)
Analysis of low molecular weight or metabolic compounds can provide deeper insights into the biochemical pathways regulating normal cell function. Here we report, for the first time, a method to extract a large number of metabolites from rat spermatozoa, which were analysed using gas chromatography mass spectrometry. Based on the retention time index and at(More)
Spermatozoa are quite unique amongst cell types. Although produced in the testis, both nuclear gene transcription and translation are switched off once the pre-cursor round cell begins to elongate and differentiate into what is morphologically recognized as a spermatozoon. However, the spermatozoon is very immature, having no ability for motility or egg(More)
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