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YS 49, a Synthetic Isoquinoline Alkaloid, Protects Sheep Pulmonary Artery Endothelial Cells from tert-butylhydroperoxide-mediated Cytotoxicity
WonSeogChong, SunYoungKang, YoungJinKang, MinKyuPark, YoungSooLee, HyeJungKim, HanGeukSeo, JaeHeunLee, HyeSookYun-Choi, KiChurlChang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.5 5 283-290 (8 pages)
Endothelium, particularly pulmonary endothelium, is predisposed to injury by reactive oxygen species (ROS) and their derivatives. Heme oxygenase (HO) has been demonstrated to provide cytoprotective effects in models of oxidant-induced cellular and tissue injuries. In the present study, we investigated the effects of YS 49 against oxidant [tert-butylhydroperoxide (TBH)]-induced injury using cultured sheep pulmonary artery endothelial cells (SPAECs). The viability of SPAECs was determined by... -
Salicylate Regulates Cyclooxygenase-2 Expression through ERK and Subsequent NF-κB Activation in Osteoblasts
Han-JungChae, Jun-KiLee, Joung-OukByun, Soo-WanChae, Hyung-RyongKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.4 8 239-246 (8 pages)
is a characteristic response to inflammation and can be inhibited with sodium salicylate. TNF-α plus IFN-γ can induce extracellular signal-regulated kinase (ERK), IKK, IκB degradation and NF-κB activation. The inhibition of the ERK pathway with selective inhibitor, PD098059, blocked cytokine-induced COX-2 expression and PGE2 release. Salicylate treatment inhibited COX-2 expression induced by TNF-α/IFN-γ and regulated the activation of ERK, IKK and IκB degradation and subsequent NF-κB... -
Blockade of p38 Mitogen-activated Protein Kinase Pathway Inhibits Interleukin-6 Release and Expression in Primary Neonatal Cardiomyocytes
Han-JungChae, Hyun-KiKim, Wan-KuLee, Soo-WanChae 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2002, Vol.6 No.6 7 319-325 (7 pages)
The induction of interleukin-6 (IL-6) using combined proinflammatory agents (LPS/IFN-γ or TNF-α/ IFN-γ) was studied in relation to p38 mitogen-activated protein kinase (MAPK) and NF-κB transcriptional factor in primary neonatal cardiomyocytes. When added to cultures of cardiomyocytes, the combined agents (LPS/IFN-γ or TNF-α/IFN-γ) had stimulatory effect on the production of IL-6 and the elevation was significantly reduced by SB203580, a specific p38 MAPK inhibitor. SB203580 inhibited... -
Effects of Interleukin-1β and Tumor Necrosis Factor-α on the Release of Collagenase and Gelatinase from Osteoblasts
Jong-GabEun, Dong-HeonBaek, Se-WonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2002, Vol.6 No.5 6 269-274 (6 pages)
as inflammatory osteolytic disease. Collagen is the most abundant protein of the extracellular matrix of bone, and the participation of collagenase in bone resorption has been widely investigated. In this study, effects of IL-1β and TNF-α on the release of collagenase from osteoblastic cells were measured. The gelatinase activity was also measured by gel substrate analysis (zymography) after electrophoresis of conditioned media of osteoblastic cell culture. IL-1β increased the collagenase... -
Effect of Atrial Natriuretic Peptide on the Proliferation and Activity of Osteoblastic Cells
Jong-RyeulLee, Seon-YleKo, Jung-KeunKim, Se-WonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.4 3 283-289 (7 pages)
Natriuretic peptides comprise a family of three structurally related peptides; atrial natriuretic peptide (ANP), brain natriuretic peptide (BNP), and C-type natriuretic peptide (CNP). The present study was performed to investigate the effect of ANP on the proliferation and activity of ROS17/2.8 and HOS cells which are well-characterized osteoblastic cell lines. ANP dose-dependently decreased the number of ROS17/2.8 and HOS cells after 48-hour treatment. ANP generally increased the alkaline... -
Effects of Carnosine and Related Compounds on Monosaccharide Autoxidation and H2O2 Formation
BeomJunLee, KyungSunKang, SangYoonNam, JaeHakPark, YongSoonLee, YoungWonYun, MyungHaingCho 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.3 3 251-261 (11 pages)
The effects of carnosine and related compounds (CRCs) including anserine, homocarnosine, histidine, and β-alanine on monosaccharide autoxidation and H2O2 formation were investigated. The incubation of CRCs with D-glucose, D-glucosamine, and D, L-glyceraldehyde at 37oC increased the absorption maxima at 285 nm, 273 nm, and 290∼330 nm, respectively. D, L-glyceraldehyde was the most reactive sugar with CRCs. The presence of copper strongly stimulated the reaction of carnosine and anserine with... -
Renal mRNA Expression of Renin, AT1 Receptor, TGF-β1 and Fibronectin in Obstructive Nephropathy
EunKyoungYang, InKyeomKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.1 7 55-63 (9 pages)
The present study was designed to quantify the alterations of renal renin, angiotensin type I receptor (AT1), TGF-Ղ1, and fibronectin gene expression in rats with unilateral ureteral obstruction (UUO). We also investigated the change of AT1 density during UUO. Reverse transcription-polymerase chain reaction (RT-PCR) technique and receptor binding assay were used to detect mRNA expression and receptor density, respectively. At one day after UUO, renin mRNA level of the obstructed kidneys... -
비스테로이드성 항염증제가 FMLP에 의한 사람 중성구의 이동에 미치는 영향
김우미(Woo Mi Kim), 강구일(Koo-il Kang) 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1994, 제 30권 제 1호 15 137-144 (8 pages)
본 연구는 7종의 비스테로이드성 항염증제가 FMLP에 의한 사람 중성구의 이동에 미치는 영향을 약물의 농도별로 관찰하고자, Hypaque-Ficoll step gradient centrifugation방법에 의하여 중성구를 분리하고, 48-well micro chemotaxis assembly를 이용하여 chemotactic assay를 시행하여 다음과 같은 결과를 얻었다. Oxyphenbutazone, phenylbutazone, zomepirac, ibuprofen은 약물의 치료 농도하에서 중성구의 이동에 대한 강력한 억제작용을 나타내었으며, indomethacin은 중성구의 이동을 오히려 증가시키는 작용을 나타내었다. 이... -
침투성 상피암세포주와 비침투성 상피암세포주의 TGF alpha에 대한 반응의 차이
손영숙(Young-Sook Son), 최명재(Myoung-Jae Chey), Elaine Fuchs, 정명희(Myung Hee Chung), 박찬웅(Chan Woong Park) 대한약리학회 대한약리학잡지 10 Pages
대한약리학회 대한약리학잡지 1993, 제 29권 제 1호 14 139-148 (10 pages)
진피 침투성 정도를 비교해 보았다. SCC 12 세포주의 raft 배양에서는, collagen matrix로 침투하는 많은 세포군들이 관찰되었고, 또한 기저세포와 유사한 세포들이 분화층 중간에 관찰되었다. 그러나 SCC 13 세포주의 raft 배양에서는 침투성 세포들이 전혀 관찰되지 않았다. 어떤 인자가 SCC 12 세포주의 침투성에 관여하였는지를 조사하기 위하여, 세포이동 또는 matrix 파괴에 관여하는 각종 단백질 즉, type 1 collagenase, Fn, Fn 수용체와 EGF 수용체 등의 기본 생합성속도를 침투성과 비침투성 세포주에서 측정하였다. 그 중 type...
