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Blockade of Kv1.5 channels by the antidepressant drug sertraline

Lee HM, Hahn SJ, Choi BH

Sertraline, a selective serotonin reuptake inhibitor (SSRI), has been reported to lead to cardiac toxicity even at therapeutic doses including sudden cardiac death and ventricular arrhythmia. And in a SSRI-independent...
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Identification of Lys49-PLA2 from crude venom of Crotalus atrox as a human neutrophil-calcium modulating protein

Sultan MT, Li HM, Lee YZ, Lim SS, Song DK

We fortuitously observed a human neutrophil intracellular free-calcium concentration ([Ca2+]i) increasing activity in the commercially available phosphodiesterase I (PDE I), which is actually dried crude venom of Crotalus atrox. As...
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Effects of prunetin on the proteolytic activity, secretion and gene expression of MMP-3 in vitro and production of MMP-3 in vivo

Nam DC, Kim BK, Lee HJ, Shin HD, Lee CJ, Hwang SC

We investigated whether prunetin affects the proteolytic activity, secretion, and gene expression of matrix metalloproteinase-3 (MMP-3) in primary cultured rabbit articular chondrocytes, as well as in vivo production of MMP-3...
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Myosin VI contributes to malignant proliferation of human glioma cells

Xu R, Fang XH, Zhong P

Previously characterized as a backward motor, myosin VI (MYO6), which belongs to myosin family, moves toward the minus end of the actin track, a direction opposite to all other known...
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Mitochondrial calcium uniporter inhibition attenuates mouse bone marrow-derived mast cell degranulation induced by beta-1,3-glucan

Cuong DV, Kim HK, Marquez J, Kim N, Ko KS, Rhee BD, Han J

Mast cells are primary mediators of allergic inflammation. Beta-1,3-glucan (BG) protects against infection and shock by activating immune cells. Activation of the BG receptor induces an increase in intracellular Ca2+,...
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The neuroprotective mechanism of ampicillin in a mouse model of transient forebrain ischemia

Lee KE, Cho KO, Choi YS, Kim SY

Ampicillin, a beta-lactam antibiotic, dose-dependently protects neurons against ischemic brain injury. The present study was performed to investigate the neuroprotective mechanism of ampicillin in a mouse model of transient global...
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NecroX-5 protects mitochondrial oxidative phosphorylation capacity and preserves PGC1alpha expression levels during hypoxia/reoxygenation injury

Thu VT, Kim HK, Long LT, Nyamaa B, Song IS, Thuy TT, Huy NQ, Marquez J, Kim SH, Kim N, Ko KS, Rhee BD, Han J

Although the antioxidant and cardioprotective effects of NecroX-5 on various in vitro and in vivo models have been demonstrated, the action of this compound on the mitochondrial oxidative phosphorylation system...
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CRM1 inhibitor S109 suppresses cell proliferation and induces cell cycle arrest in renal cancer cells

Liu X, Chong Y, Liu H, Han Y, Niu M

Abnormal localization of tumor suppressor proteins is a common feature of renal cancer. Nuclear export of these tumor suppressor proteins is mediated by chromosome region maintenance-1 (CRM1). Here, we investigated...
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Curcumin protects against the intestinal ischemia-reperfusion injury: involvement of the tight junction protein ZO-1 and TNF-alpha related mechanism

Tian S, Guo R, Wei S, Kong Y, Wei X, Wang W, Shi X, Jiang H

Present study aimed to investigate the eff ect of curcumin-pretreatment on intestinal I/R injury and on intestinal mucosa barrier. Thirty Wistar rats were randomly divided into: sham, I/R, and curcumin...
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High glucose and palmitate increases bone morphogenic protein 4 expression in human endothelial cells

Hong OK, Yoo SJ, Son JW, Kim MK, Baek KH, Song KH, Cha BY, Jo H, Kwon HS

Here, we investigated whether hyperglycemia and/or free fatty acids (palmitate, PAL) aff ect the expression level of bone morphogenic protein 4 (BMP4), a proatherogenic marker, in endothelial cells and the...
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Anti-diabetic activities of catalpol in db/db mice

Bao Q, Shen X, Qian L, Gong C, Nie M, Dong Y

The objective was to investigate the hypoglycemic action of catalpol in spontaneous diabetes db/db mice. 40 db/db mice were randomly divided into fi ve groups: model control gourp; db/db plus...
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