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A Novel Nicotinamide Adenine Dinucleotide Correction Method for Mitochondrial Ca2+ Measurement with FURA-2-FF in Single Permeabilized Ventricular Myocytes of Rat
JeongHoonLee, JeongMiHa, ChaeHunLeem 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.4 10 373-382 (10 pages)
Fura-2 analogs are ratiometric fluoroprobes that are widely used for the quantitative measurement of [Ca2+]. However, the dye usage is intrinsically limited, as the dyes require ultraviolet (UV) excitation, which can also generate great interference, mainly from nicotinamide adenine dinucleotide (NADH) autofluorescence. Specifically, this limitation causes serious problems for the quantitative measurement of mitochondrial [Ca2+], as no available ratiometric dyes are excited in the visible range.... -
EGCG Blocked Phenylephrin-Induced Hypertrophy in H9C2 Cardiomyocytes, by Activating AMPK-Dependent Pathway
YiCai, LiZhao, YuanQin, Xiao-QianWu 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.3 3 203-210 (8 pages)
AMP-activated protein kinase (AMPK) is a key regulator of energy metabolism. Previous studies have shown that activation of AMPK results in suppression of cardiac myocyte hypertrophy via inhibition of the p70S6 kinase (p70S6K) and eukaryotic elongation factor-2 (eEF2) signaling pathways. Epigallocatechin-3-gallate (EGCG), the major polyphenol found in green tea, possesses multiple protective effects on the cardiovascular system including cardiac hypertrophy. However, the molecular mechanisms has... -
Suppression of Peripheral Sympathetic Activity Underlies Protease-Activated Receptor 2-Mediated Hypotension
Young-HwanKim, Duck-SunAhn, Ji-HyunJoeng, SeungsooChung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.6 7 489-496 (8 pages)
Protease-activated receptor (PAR)-2 is expressed in endothelial cells and vascular smooth muscle cells. It plays a crucial role in regulating blood pressure via the modulation of peripheral vascular tone. Although some reports have suggested involvement of a neurogenic mechanism in PAR-2-induced hypotension, the accurate mechanism remains to be elucidated. To examine this possibility, we investigated the effect of PAR-2 activation on smooth muscle contraction evoked by electrical field... -
Protective Effect of Phosphatidylcholine on Lipopolysaccharide-Induced Acute Inflammation in Multiple Organ Injury
YoonYangJung, YunsungNam, YongSeolPark, HoSungLee, SoonAuckHong, BeomKeunKim, EonSubPark, YoonHeeChung, JiHoonJeong 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.3 5 209-216 (8 pages)
Soybean polyunsaturated phosphatidylcholine (PC) is thought to exert anti-inflammatory activities and has potent effects in attenuating acute renal failure and liver dysfunction. The aim of this study was to investigate the effects of PC in protecting multiple organ injury (MOI) from lipopolysaccharide (LPS). Six groups of rats (N=8) were used in this study. Three groups acted as controls and received only saline, hydrocortisone (HC, 6 mg/kg, i.v.) or PC (600 mg/kg, i.p.) without LPS (15 mg/kg,... -
Association of the Myeloperoxidase -463G→A Polymorphism with Helicobacter pylori-induced Atrophic Gastritis
MierhaYang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.3 10 279-285 (7 pages)
Although only a minority of the infected individuals develops atrophic gastritis and the malignancy, factors governing clinical outcomes subsequent to Helicobacter pylori (H. pylori) infection have not yet been defined. H. pylori infection is characterized by extensive infiltration of neutrophils. Myeloperoxidase (MPO) in neutrophils amplifies the oxidative potential of hydrogen peroxides that induce gastric mucosal damage, thus MPO is suspected to play a role in H. pylori-induced gastric... -
Modulation of L-type Ca2+ Channel Currents by Various Protein Kinase Activators and Inhibitors in Rat Clonal Pituitary GH3 Cell Line
YoungMinBae, Hye-JungBaek, HanaCho, YungEEarm, Won-KyungHo 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.2 4 139-146 (8 pages)
L-type Ca2 channels play an important role in regulating cytosolic Ca2 and thereby regulating hormone secretions in neuroendocrine cells. Since hormone secretions are also regulated by various kinds of protein kinases, we investigated the role of some kinase activators and inhibitors in the regulation of the L-type Ca2 channel currents in rat pituitary GH3 cells using the patch-clamp technique. Phorbol 12,13-dibutyrate (PDBu), a protein kinase C (PKC) activator, and... -
두개내압상승(頭蓋內壓上昇)에 따른 혈압상승(血壓上昇)과 교감신경기능(交感神經機能)과의 관계(關係) -Clonidine, phenoxybenzamine 및 phentolamine의 영향(影響)-
정우섭(Woo Sup Chung) 대한약리학회 대한약리학잡지 6 Pages
대한약리학회 대한약리학잡지 제 15권 제 1,2호 2 7-12 (6 pages)
1. 두개내압상승(頭蓋內壓上昇)에 혈압상승(血壓上昇)이 중추(中樞)의 교감신경기능(交感神經機能)과의 관계(關係)가 있음을 확인(確認)하기 위하여, clonidine, phenoxybenzamine 및 phentolamine을 사용(使用)하여 이들 약물(藥物)이 두 개내압상승(頭蓋內壓上昇)에 따른 협압상승(血壓上昇)에 미치는 영향(影響)을 조사(調査)하였다. 2. 정맥내(靜脈內) clonidine은 측뇌실내(側腦室內) 주입시(注入時)와 같이 두개내압상승(頭蓋內壓上昇)에 따른 혈압상승(血壓上昇)을 억제(抑制)하였다. 3. Phenoxybenzamine 및 phentolamine의... -
육미지황탕가미방(六味地黃湯加味方)이 PQ (paraquat)로 유발된 허파 손상에 미치는 영향
윤중식, 김진호, 김정상 한국보건기초의학회 한국보건기초의학회지 6 Pages
한국보건기초의학회 한국보건기초의학회지 2008, Vol.1 No.1 3 17-22 (6 pages)
