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Pharmacology

Aminoacyl tRNA synthetase

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Full-Text Articles in Cell Biology

Changes In Threonyl-Trna Synthetase Expression And Secretion In Response To Endoplasmic Reticulum Stress By Monensin In Ovarian Cancer Cells, Jared Louis Hammer Jan 2017

Changes In Threonyl-Trna Synthetase Expression And Secretion In Response To Endoplasmic Reticulum Stress By Monensin In Ovarian Cancer Cells, Jared Louis Hammer

Graduate College Dissertations and Theses

Aminoacyl-tRNA synthetases (ARS) are a family of enzymes that catalyze the charging of amino acids to their cognate tRNA in an aminoacylation reaction. Many members of this family have been found to have secondary functions independent of their primary aminoacylation function. Threonyl-tRNA synthetase (TARS), the ARS responsible for charging tRNA with threonine, is secreted from endothelial cells in response to both vascular endothelial growth factor (VEGF) and tumor necrosis factor-α (TNF-α), and stimulates angiogenesis and cell migration. Here we show a novel experimental approach for studying TARS secretion, and for observing the role of intracellular TARS in the endoplasmic reticulum ...