نتایج جستجو برای: activated transport
تعداد نتایج: 488871 فیلتر نتایج به سال:
We have investigated the interaction of clotrimazole (CLT) and related compounds with the erythroid Ca2"-activated K+ channel, a mediator of sickle cell dehydration. We measured K+ transport, membrane potential, and cell volume upon activation of this pathway in sickle erythrocytes. CLT blocked almost completely Ca2"-activated K+ transport in homozygous hemoglobin S cells, with IC5o values of 2...
Human monocytes transport and accumulate ciprofloxacin and other fluoroquinolones. Although little is known about the mechanisms of transport, we expected monocytes to be similar to other cells of myeloid lineage. In the present study, monocyte fluoroquinolone transport was characterized and compared to the corresponding transport pathways of human polymorphonuclear leukocytes (PMNs) and HL-60 ...
We have studied the ability of cGMP and cAMP to modulate platelet-derived growth factor (PDGF)-stimulated 2-deoxy-D-glucose (deGlc) transport in primary cultures of vascular smooth muscle cells (VMSC) from rat aorta. PDGF stimulated deGlc transport in a time- and concentration-dependent manner. 8-Bromo-cGMP and atrial natriuretic peptide(1-28) [ANP(1-28)] were found to reduce PDGF-stimulated de...
Invasion and plaque formation in epithelial monolayers are routinely used to assess the virulence of Shigella flexneri, a causative agent of dysentery. A modified plaque assay was developed to identify factors contributing to the virulence of S. flexneri under the anaerobic conditions present in the colon. This assay demonstrated the importance of the ferrous iron transport system Feo, as well ...
semi-aerobic leachate is characterized by organic matter (cod, bod) which is relatively low in concentration and difficult to biodegrade. in conventional treatment systems, the low biodegradability is attributed to partial stabilization of leachate at the landfill. biological treatment of leachate in malaysia is not well established and any important data for the treatment process is not availa...
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