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141.

Effect of Ethanol on Na+-Pi Uptake in Opossum Kidney Cells Role of Membrane Fluidization and Reactive Oxygen Species

InHoPark, MoonYoungHwang, JaeSukWoo, JinSupJung, YongKeunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.5 10 529-538 (10 pages)

InHoPark, MoonYoungHwang, JaeSukWoo, JinSupJung, YongKeunKim 저
...
- 3,000원
This study was undertaken to examine the effect of ethanol on Na⁢-dependent phosphate (Na⁢-Pi) uptake in opossum kidney (OK) cells, an established renal proximal tubular cell line. Ethanol inhibited Na⁢-dependent component of phosphate uptake in a dose-dependent manner with I50 of 8.4%, but it did not affect Na⁢-independent component. Similarly, ethanol inhibited Na⁢-dependent uptakes of glucose and amino acids (AIB, glycine, alanine, and leucine). Microsomal...
142.

Increase of Intracellular Ca2+ Concentration by Vibrio Vulnificus Cytolysin in Rat Platelets; Triggering Mechanism of Platelet Cytolysis

JinBongParkSooWanChae 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 10 199-205 (7 pages)

JinBongParkSooWanChae 저
...
- 3,000원
dehydrogenase (LDH) activity was increased from 1.3⁑0.4% of control to 64.3⁑3.4% in platelet suspension buffer. In Ca2⁢-free platelet suspension buffer, however, V. vulnificus cytolysin did not induce [Ca2⁢]i increase and LDH release. Addition of EGTA (2 mM) to suspension buffer after the initial Ca2⁢ influx reversed [Ca2⁢]i to the control level. However, a Ca2⁢ channel blocker verapamil (20 μM) or mefenamic acid (20 μM) did not inhibit V. vulnificus...
143.

Acute Pulmonary Responses in Vivo to Silica Complexed with H+, Zn2+, or Fe3+

JiheeLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 8 183-189 (7 pages)

JiheeLee 저
...
- 3,000원
LDH and total protein in the lavage fluid were significantly increased by 3- to 4-fold. However, compared among these silica groups, Fe3⁢ complexation did not significantly change the LDH activity and total protein. NO production in cultured bronchoalveolar lavage cells was elevated by 2-fold, following IT any of the silica treatments compared with the saline group. Furthermore, the steady-state levels of iNOS mRNA in the lavage cells were greatly increased. There were any differences in...
144.

Effects of Dexamethasone and DHEA on the Responses of Rat Cerebral Cortical Astrocytes to Lipopolysaccharide and Antimycin A

Sang-HyunChoi, Hyung-GunKim, Chang-KeunKim, Nan-HyangPark, Dong-HeeChoi, In-SopShim, Boe-GwunChun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 2 127-135 (9 pages)

Sang-HyunChoi, Hyung-GunKim, Chang-KeunKim, Nan-HyangPark, Dong-HeeChoi, In-SopShim, Boe-GwunChun 저
...
- 3,000원
on the dexamethasone-induced decrease of LDH release was not shown in astrocytes treated with LPS, and antimycin A-induced LDH release was not affected by dexamethasone or DHEA. Unlike dexamethasone, DHEA increased MTT value of astrocytes and also attenuated the antimycin A-induced decrease of MTT value. Glutamine synthetase activity of astrocytes was not affected by DHEA or LPS but increased by dexamethasone, and the dexamethasone- dependent increase was attenuated by DHEA. However, antimycin A...
145.

Role of Phospholipase A2 in Hypoxia-Induced Renal Cell Injury

WonRakChoi, SunHeeKo, SuInCho, JaeSukWoo, JinSupJung, SangHoLee, YongKeunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.1 12 93-100 (8 pages)

WonRakChoi, SunHeeKo, SuInCho, JaeSukWoo, JinSupJung, SangHoLee, YongKeunKim 저
...
- 3,000원
of hypoxia was blocked by PLA2 inhibitors, mepacrine, butacaine, and dibucaine. A similar effect was observed by a 85-kD cPLA2 inhibitor AACOCF3. AA increased hypoxia-induced LDH release, and albumin, a fatty acid absorbent, prevented the LDH release, suggesting that free fatty acids are involved in hypoxia-induced cell injury. These results suggest that PLA2 activation and its metabolic products play important roles in pathogenesis of hypoxia-induced cell injury in rabbit renal cortical slices.
146.

Role of Protein Kinases on NF-κB Activation and Cell Death in Bovine Cerebral Endothelial Cells

YoungSooAhn, ChulHoonKim, JooHeeKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.1 2 11-18 (8 pages)

YoungSooAhn, ChulHoonKim, JooHeeKim 저
...
- 3,000원
Nuclear factor κB (NF-κB) activation is modulated by various protein kinases. Activation of NF-κB is known to be important in the regulation of cell viability. The present study investigated the effect of inhibitors of protein tyrosine kinase (PTK), protein kinase C (PKC) and protein kinase A (PKA) on NF-κB activity and the viability of bovine cerebral endothelial cells (BCECs). In serum-deprivation-induced BCEC death, low doses of TNFα showed a protective effect. TNFα induced NF-κB...
147.

Involvement of Adenosine in Cardioprotective Effect of Catecholamine Preconditioning in Ischemia-Reperfused Heart of Rat

Young-hoonKim, Chan-hyungKim, Gi-taeKim, In-kyuKim, Jong-wanPark, Myung-sukKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.6 12 753-761 (9 pages)

Young-hoonKim, Chan-hyungKim, Gi-taeKim, In-kyuKim, Jong-wanPark, Myung-sukKim 저
...
- 3,000원
Preconditioning of a heart with small doses of catecholamines induces a tolerance against the subsequent lethal ischemia. The present study was performed to find a specific receptor pathway involved with the catecholamine preconditioning and to test if adenosine plays a role in this cardioprotective effect. Isolated rat hearts, pretreated with small doses of ㄁- or ㄂-adrenergic agonists/antagonists, were subjected to 20 minutes ischemia and 20 minutes reperfusion by Langendorff...
148.

Cytoprotective Effects of Dihydrolipoic Acid and Lipoic Acid on the Oxidative Stress in Cultured Rat Cortical Neurons

Won-KiKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.4 4 427-433 (7 pages)

Won-KiKim 저
...
- 3,000원
In brain hypoxic-ischemia, an excess release of glutamate and a marked production of reactive oxygen species (ROS) occur in neuronal and non-neuronal cells. The present study investigated the effect of the biological antioxidants dihydrolipoic acid (DHLA) and lipoic acid (LA) on N-methyl-D-aspartate (NMDA)- and ROS-induced neurotoxicity in cultured rat cortical neurons. DHLA enhanced NMDA-evoked rises in intracellular calcium concentration ([Ca2⁢]i). In contrast, LA did not alter the...
149.

Inducible Nitric Oxide Synthase mRNA Expression and Nitric Oxide Production in Silica-Induced Acute Inflammatory Lung Injury

JiheeLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.2 12 233-239 (7 pages)

JiheeLee 저
...
- 3,000원
determine iNOS mRNA induction and nitric oxide production by rat broncho-alveolar lavage cells following intratracheal treatment of silica. After 4 h exposure to silica, differential counts of broncho- alveolar lavage cells and lactate dehydrogenase(LDH) activity as well as total protein in the broncho-alveolar lavage fluid were determined. Broncho-alveolar lavage cells were also assayed for iNOS mRNA and the productions of nitrite and nitrate measured in the cells cultured. Differential analysi...
150.

고압산소 전처치의 섬근 항산화효소 활성 증가 및 허혈-재관류손상 보호 효과

오동진, 김영훈, 김찬형, 박종완, 김명석 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.6 16 749-758 (10 pages)

오동진, 김영훈, 김찬형, 박종완, 김명석 저
...
- 3,000원
Pretreatment of Hyperbaric Oxygenation Increases the Activities of Myocardial Antioxidant Enzymes and Protects the Ischen뻐-Reperfusion Injury of the Heart. Dong Jin OhI， Young-hoon Kim， Chan-hyung Kim， Jong-wan Park， and Myung-suk Kim lDepartment of Intemal Medicine， Gangdong Sacred Heaπ Hospital， College of Medicine， Hallym University; Department of Phannacology， College of Medicine， Seoul N ational University， Seoul 110 -799， Korea

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