4 resultados
Disturbances of endoplasmic reticulum (ER) Ca2+ homeostasis or protein processing can lead to ER stress-induced cell death. Increasing evidence suggests that oxidative stress (OS) plays an important role in a variety of cell death mechanisms. To investigate the role of OS in ER stress, we measured
Micromolar concentrations of the five-lipoxygenase inhibitor, MK 886 induce a "type 1" (apoptotic, extrinsic, death domain, receptor-dependent, caspase-positive) form of programmed cell death in Bcl-2-positive U937 human monoblastoid and HL-60 myeloid leukemia cells. A "type 2" (intrinsic,
Derivatives of atractyligenine, the aglycone of atractyloside, were tested in vitro for their antimicrobial and antiproliferative activity against K-562 (human chronic myelogeneous leukemia), HL-60 (human leukemia) and MCF-7 (human breast adenocarcinoma) cell lines. The most active compound showed
A protein fraction of mitochondria from human acute lymphocytic leukemia cells, which could be reconstituted into proteoliposomes to have dCTP transport activity, has been partially purified by hydroxyapatite and blue Sepharose chromatography. The dCTP transport activity in proteoliposomes was