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Nemopilema nomurai jellyfish venom inhibits migration and proliferation of vascular smooth muscle cells and intravascular thrombosis
Hye Ryeon Yang, Seong kyeong Bae, Hyun-kyoung Lee, Du Hyeon Hwang, Yun-wi Heo, Jae Kuk Byun, Hyeong jun Yim, Min Jin Kim, Eui-kyung Kim, 대한수의학회 대한수의학회 학술대회발표집 1 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 141 267-267 (1 pages)
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Regulation of vascular smooth muscle phenotype by cross-regulation of krüppel-like factors
JungMinHa, SungJiYun, SeoYeonJin, HyeSunLee, SunJaKim, HwaKyoungShin, SunSikBae 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.1 5 37-44 (8 pages)
Regulation of vascular smooth muscle cell (VSMC) phenotype plays an essential role in many cardiovascular diseases. In the present study, we provide evidence that krüppel-like factor 8 (KLF8) is essential for tumor necrosis factor α (TNFα)-induced phenotypic conversion of VSMC obtained from thoracic aorta from 4-week-old SD rats. Stimulation of the contractile phenotype of VSMCs with TNFα significantly reduced the VSMC marker gene expression and KLF8. The gene expression of KLF8 was... -
Gene Expression Profile in Microglia following Ischemia- Reperfusion Injury
JuHyeonOh, HyungSooHan, JaeSikPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2006, Vol.10 No.4 2 173-180 (8 pages)
Microglial activation is thought to play a role in the pathogenesis of many brain disorders. Therefore, understanding the response of microglia to noxious stimuli may provide insights into their role in disorders such as stroke and neurodegeneration. Many genes involved in this response have been identified individually, but not systematically. In this regards, the microarray system permitted to screen a large number of genes in biological or pathological processes. Therefore, we used microarray... -
Cooperation of Gβ and Gαq Protein in Contractile Response of Cat Lower Esophageal Sphincter (LES)
UyDongSohnTaiSangLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.6 9 349-355 (7 pages)
We previously shown that LES contraction depends on M3 receptors linked to PTX insensitive Gq protein and activation of PLC. This results in production of IP3, which mediates calcium release, and contraction through a CaM dependent pathway. In the esophagus ACh activates M2 receptors linked to PTX sensitive Gi3 protein, resulting in activation of PLD, presumably, production of DAG. We investigated the role of PLC isozymes which can be activated by Gq or Gβ protein on ACh-induced contraction in... -
Tyrosine Phosphorylation of Paxillin May be Involved in Vascular Smooth Muscle Contraction
Lian-HuaFang, Kyoung-SooCho, Sang-JinLee, Hee-YulAhn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.3 5 211-217 (7 pages)
Paxillin is a regulatory component of the complex of cytoskeletal proteins that link the actin cytoskeleton to the plasma membrane. However, the role of paxillin during smooth muscle contraction is unclear. We investigated a possible role for the membrane-associated dense plaque protein paxillin in the regulation of contraction in rat aortic vascular smooth muscle. The tyrosine phosphorylation of paxillin, which was increased by norepinephrine, reached a peak level after 1 min stimulation and... -
The Transfection of Caldesmon DNA into Primary Cultured Rat Aortic Vascular Smooth Muscle
WoongChoiHee-YulAhn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.6 8 597-603 (7 pages)
Caldesmon (CaD), one of microfilament-associated proteins, plays a key role in microfilament assembly in mitosis. We have investigated the effects of overexpression of the high molecular weight isoform of CaD (h-CaD) on the physiology of vascular smooth muscle cells (VSMCs). Rat aortic VSMCs were stably transfected with plasmids carrying a full length human h-CaD cDNA under control of cytomegalovirus promoter. The majority of the overexpressed h-CaD appears to be localized predominantly on... -
Sodium nitroprusside와 Forskolin의 Phorbol ester 수축에 대한 혈관이완작용의 기전
안희열(Hee Yul Ahn) 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1995, 제 31권 제 3호 4 291-298 (8 pages)
본 연구의 목적은 protein kinase C의 활성물질인 phorbol ester의 수축에 대한 cGMP 및 cAMP의 조절기전을 명확히 하기 위하여 흰쥐의 대동맥을 재료로 실험을 수행하였다. Sodium nitroprusside는 guanylyl cyclase를 활성화시켜 cGMP를, forskolin은 adenylyl cyclase를 활성화시켜서 cAMP를 증가시키는 것으로 보고되어 있으므로 위의 두 약물을 선택하였다. Phorbol ester는 시간경과와 함께 지속적인 수축을 발생하였으며 30분경 안정상태에 도달하였다. 동시에 20-kDa myosin light chain (MLC)의 인산화도 증가하였으며 30분경...
