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Tumor angiogenesis is postulated to be regulated by the balance between pro- and anti-angiogenic factors. We demonstrate that the critical step in establishing the angiogenic capability of human cells is the repression of the critical anti-angiogenic factor, thrombospondin-1 (Tsp-1). This repression is essential for tumor formation by mammary epithelial(More)
Pancreatic β-cells are particularly susceptible to fatty-acid-induced endoplasmic reticulum (ER) stress and apoptosis. To understand how β-cells sense fatty acid stimuli and translate into a long-term adaptive response, we investigated whether palmitic acid (PA) regulates early growth response-1 (Egr-1), an immediate-early transcription factor, which is(More)
Background.  Data from international settings suggest that isolates of Mycobacterium tuberculosis with rpoB mutations testing phenotypically susceptible to rifampin (RIF) may have clinical significance. We analyzed treatment outcomes of California patients with discordant molecular-phenotypic RIF results. Methods.  We included tuberculosis (TB) patients,(More)
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