نتایج جستجو برای: iia
تعداد نتایج: 9060 فیلتر نتایج به سال:
Tanshinone IIA, one of the most pharmacologically bioactive phytochemicals isolated from Salvia miltiorrhiza Bunge, possesses several biological activities such as anti-inflammation, anti-cancer, neuroprotection and hypolipidemic activities. In this study, we aim to investigate the hypocholesterolemic effect of tanshinone IIA in hepatic cells. We demonstrated that tanshinone IIA significantly i...
Tanshinone IIA is one of the active principles in danshen (Salvia miltiorrhiza Bge) widely used in treatment of cardiovascular disorders. We investigated the effect of danshen or tanshinone IIA on blood pressure and its possible mechanisms. An i.p. injection of danshen at 10 mg kg(-1) significantly lowered systolic blood pressure (SBP) of spontaneously hypertensive rats (SHRs) but failed to mod...
A critical association between type II secretory phospholipase A2 (sPLA2-IIa) and established atherosclerotic cardiovascular disease has been demonstrated. However, the contribution of sPLA2-IIa to early atherosclerosis remains unknown. This study investigated the association between early-stage atherosclerosis and sPLA2-IIa in metabolic syndrome (MetS) patients. One hundred and thirty-six MetS...
Thermodynamic mechanism for inhibition of lactose permease by the phosphotransferase protein IIAGlc.
In a variety of bacteria, the phosphotransferase protein IIA(Glc) plays a key regulatory role in catabolite repression in addition to its role in the vectorial phosphorylation of glucose catalyzed by the phosphoenolpyruvate:carbohydrate phosphotransferase system (PTS). The lactose permease (LacY) of Escherichia coli catalyzes stoichiometric symport of a galactoside with an H(+), using a mechani...
Tanshinone IIA (Tan-IIA) is extracted from Danshen and known to inhibit proliferation and induce apoptosis in many cancer cells. We aimed to elucidate its anticancer activity and molecular mechanism in human lung cancer A549 cells. The cytotoxicity of Tan-IIA in A549 cells were measured by the MTT assay. The effects of Tan-IIA on the cell cycle, mitochondrial membrane potential (MMP), calcium a...
Tanshinone IIA (Tan-IIA) is extracted from Danshen, Salviae miltiorrhizae Radix, which has been widely adopted in traditional herbal medicine to treat cardiovascular and hepatic diseases. Tan-IIA induces apoptosis and inhibits proliferation in human hepatocellular carcinoma (HCC) cells. However, the molecular mechanisms of Tan-IIA on human HCC cells are not understood clearly. In the present st...
Group B streptococcus (GBS) is a leading neonatal pathogen and a growing cause of invasive disease in the elderly, with clinical manifestations such as pneumonia and sepsis. Despite its clinical importance, little is known about innate immunity against GBS in humans. Here, we analyze the role of human group IIA secreted phospholipase A2 (sPLA2-IIA), a bactericidal enzyme induced during acute in...
Although tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a promised anticancer medicine targeting only the tumor, most cancers show resistance to TRAIL-induced apoptosis. For this reason, new therapeutic strategies to overcome the TRAIL resistance are required for more effective tumor treatment. In the present study, potential of tanshinone IIA as a TRAIL sensitizer was evalu...
The profound inhibitory effect of Tanshinone IIA (Tan IIA) on atherosclerosis has been demonstrated, whereas the latent mechanism is not completely cleared. This study aimed to investigate the cellular and molecular mechanisms underlying Tan IIA protecting against atherosclerosis. Oil Red O staining and ELISA assay showed that Tan IIA suppressed the progress of atherosclerosis and reduced the l...
Tanshinone IIA (Tan IIA), an active phytochemical in the dried root of Salvia miltiorrhiza Bunge, has shown an antiproliferative activity on various human cancer cell lines including nasopharyngeal carcinoma cells. However, the effects of Tan IIA on human oral cancer cells are still unknown. This study aimed to investigate the antiproliferative effects of Tan IIA on human oral cancer KB cells a...
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