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The Gradient Model of the Rabbit Sinoatrial Node
H.Dobrzynski, M.Lei, S.A.Jones, M.K.Lancaster, M.R.Boyett 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2002, Vol.6 No.4 1 173-182 (10 pages)
of the sinoatrial node: the gradient and mosaic models. According to the gradient model there is a gradual transition in morphology and electrical properties of SA node cells from the centre to the periphery of the SA node. In the mosaic model, there is a variable mix of atrial and sinoatrial node cells from the centre to the periphery. This review focuses on the cellular organisation of the rabbit sinoatrial node in terms of the expression of connexin (Cx40, Cx43 and Cx45), L-type Ca2... -
Characterization of Chinook head salmon embryo phenotypes of infectious salmon anemia virus by real-time RT-PCR
Khalid Munir 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2006, 제 7권 제 2호 13 167-176 (10 pages)
We have previously described the development of a onetube SYBR Green real-time RT-PCR assay for the detection and quantitation of infectious salmon anemia virus (ISAV) in various biological samples. The twofold aim of the present study was to verify that the optimized SYBR Green real-time RT-PCR conditions could detect ISAV isolates of different geographic origins, and to analyze the growth patterns of the selected ISAV isolates in the Chinook head salmon embryo (CHSE) -214 cells by this assay... -
pH-dependent modulation of intracellular free magnesium ions with ion- selective electrodes in papillary muscle of guinea pig
Shang-Jin Kim, In-Gook Cho, Hyung-Sub Kang, Jin-Shang Kim 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2006, 제 7권 제 1호 5 31-36 (6 pages)
A change in pH can alter the intracellular concentration of electrolytes such as intracellular Ca2+ and Na+ ([Na+]i) that are important for the cardiac function.For the determination of the role of pH in the cardiac magnesium homeostasis, the intracellular Mg 2+ concentration ([Mg 2+]i), membrane potential and contraction in the papillary muscle of guinea pigs using ion-selective electrodes changing extracellular pH ([pH]o)or intracellular pH ([pH ]i )were measured in this study. A high... -
Comparative evaluation of phenobarbital-induced CYP3A and CYP2H1 gene expression by quantitative RT-PCR in Bantam, Bantamized White Leghorn and White Leghorn chicks
Harshad V. Goriya, Anil Kalia, Shailesh K. Bhavsar, Chaitanya G. Joshi, Dharamshibhai N. Rank, Aswin M. Thaker 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2005, 제 6권 제 4호 3 279-285 (7 pages)
The present work was to study induction of cytochrome P450 (CYP)3A and CYP2H1 gene by reverse transcriptase polymerase chain reaction (RT-PCR) and quantitative RTPCR in Bantam, Bantamized White Leghorn and White Leghorn chicks. Out of 18 chicks total 3 from each group (Bantam, Bantamized White Leghorn and White Leghorn) were treated intraperitoneal with phenobarbital at the dose rate of 12 mg/100 g (body weight) while the control group was treated with the saline. Total RNA was extracted from... -
Simultaneous Determination of Various Macrolides by Liquid Chromatography/Mass Spectrometry
Youn-Hwan Hwang, Jong-Hwan Lim, Byung-Kwon Park and Hyo-In Yun 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 2호 7 103-108 (6 pages)
Macrolides are frequently used in veterinary medicine as therapeutic and preventive agents for various diseases. It is difficult to determine macrolides simultaneously with conventional methods due to their similar structures. A simultaneous analysis for erythromycin, roxithromycin, tiamulin and tylosin with LC/MS has been developed. Separation was performed on C18 reversed phase column. Mobile phase was gradiently flowed with 10 mM ammonium acetate and methanol. The mass spectrometer was run in... -
Comparative pharmacokinetics of norfloxacin-glycine acetate after single oral administration and medication with drinking water in broilers
JongHwanLim, ByoungYongLim, ByungKwonPark, MyongSeokKim, BeomSuJang, SeungChunPark, HyoInYun 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 6 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2004, 제 44권 제 2호 7 201-206 (6 pages)
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청동기시대 전기취락의 입지와 생업환경
이홍종(Hongjong Lee), 허의행(Uihaeng Heo) 한국고고학회 한국고고학보 42 Pages
한국고고학회 한국고고학보 2010, 제 74집 1 4-45 (42 pages)
최근 청동기시대 취락 입지 연구는 고고학과 지리학의 공동연구나 지리학계의 입지연구적용에서 벗어나 순수하게 고고학적인 관점에서 접근하고 있다. 이러한 취락 입지 연구는 생업경제적인 문제와 함께 중요한 연구대상으로 인식되어 왔으며 최근에는 경관적 차원에서의 취락 입지에 대한 다양한 연구성과가나타나고있다. 본고는 경관적차원에서의 취락입지연구를 모색하였다. 대상지역과 유적은 넓은면적이 조사되어 취락의 전모가 밝혀진 천안과 아산지역의 청동기시대 전기유적에 한정하였다. 이 유적들을 통해 취락의... -
Time-dependent proteomic and genomic alterations in Toll-like receptor-4-activated human chondrocytes: increased expression of lamin A/C and annexins
SeungHeeHa, HyoungKyuKim, NguyenThiTuyetAnh, NariKim, KyungSooKo, ByoungDooRhee, JinHan 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 16 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.5 8 531-546 (16 pages)
Activation of Toll-like receptor-4 (TLR-4) in articular chondrocytes increases the catabolic compartment and leads to matrix degradation during the development of osteoarthritis. In this study, we determined the proteomic and genomic alterations in human chondrocytes during lipopolysaccharide (LPS)-induced inflammation to elucidate the underlying mechanisms and consequences of TLR-4 activation. Human chondrocytes were cultured with LPS for 12, 24,and 36 h to induce TLR-4 activation. The... -
Inducibility of human atrial fibrillation in an in silico model reflecting local acetylcholine distribution and concentration
MinkiHwang, Hyun-SeungLee, Hui-NamPak, EunBoShim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.1 14 111-117 (7 pages)
of the ACh concentration level was also examined. In the single cell simulation, an increase in the ACh concentration shortened APD90 and increased the maximal slope of the restitution curve. In the 3D simulation, a random distribution of vagal activation promoted wavebreaks while ACh secretion limited to the GP areas did not induce a noticeable change in wave dynamics. The octopus hypothesis-based model of the GP and nerve exhibited AF inducibility at higher ACh concentrations. In conclusion, a... -
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.... -
Potassium Currents in Isolated Deiters' Cells of Guinea Pig
JongWooChung, EuiCholNam, WonTaeKim, JaeBoumYoum, ChaeHunLeem 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.6 10 537-546 (10 pages)
Deiters' cells are the supporting cells in organ of Corti and are suggested to play an important role in biochemical and mechanical modulation of outer hair cells. We successfully isolated functionally different K+ currents from Deiters’ cells of guinea pig using whole cell patch clamp technique. With high K+ pipette solution, depolarizing step pulses activated strongly outward rectifying currents which were dose-dependently blocked by clofilium, a class III anti-arrhythmic K+ channel blocker.... -
Mechanisms of Selective Antimicrobial Activity of Gaegurin 4
HeejeongKim, ByeongJaeLee, MunHanLee, SeongGeunHong, PanDongRyu 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.1 7 39-48 (10 pages)
Gaegurin 4 (GGN4), an antimicrobial peptide isolated from a Korean frog, is five times more potent against Gram-positive than Gram-negative bacteria, but has little hemolytic activity. To understand the mechanism of such cell selectivity, we examined GGN4-induced K＋ efflux from target cells, and membrane conductances in planar lipid bilayers. The K＋ efflux from Gram-positive M. luteus (2.5</SUP>Ռg/ml) was faster and larger than that from Gram-negative E. coli (75Ռg/ml), while... -
Diversity of Ion Channels in Human Bone Marrow Mesenchymal Stem Cells from Amyotrophic Lateral Sclerosis Patients
KyoungSunPark, MiRanChoi, KyoungHwaJung, SeungHyunKim, HyunYoungKim, KyungSukKim, Eun-JongCha, YangmiKim, YoungGyuChai 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.6 8 337-342 (6 pages)
Human bone marrow mesenchymal stem cells (hBM-MSCs) represent a potentially valuable cell type for clinical therapeutic applications. The present study was designed to evaluate the effect of long-term culturing (up to 10th passages) of hBM-MSCs from eight individual amyotrophic lateral sclerosis (ALS) patients, focusing on functional ion channels. All hBM-MSCs contain several MSCs markers with no significant differences, whereas the distribution of functional ion channels was shown to be... -
Cisplatin-induced Alterations of Na+-dependent Phosphate Uptake in Renal Epithelial Cells
SungJuLee, ChaeHwaKwon, YongKeunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2007, Vol.11 No.2 5 71-77 (7 pages)
Cisplatin treatment increases the excretion of inorganic phosphate in vivo. However, the mechanism by which cisplatin reduces phosphate uptake through renal proximal tubular cells has not yet been elucidated. We examined the effect of cisplatin on Na-dependent phosphate uptake in opossum kidney (OK) cells, an established proximal tubular cell line. Cells were exposed to cisplatin for an appropriate time period and phosphate uptake was measured using [32P]-phosphate. Changes in the number... -
Regulation of L-type Calcium Channel Current by Somatostatin in Guinea-Pig Gastric Myocytes
YoungChulKim, JaeHoonSim, SangJinLee, TongMookKang, SungJoonKim, SeungRyulKim, SeiJinYoun, SangJeonLee, Wen-XieXu6, InsukSo, KiWhanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.2 5 103-108 (6 pages)
To study the direct effect of somatostatin (SS) on calcium channel current (IBa) in guinea-pig gastric myocytes, IBa was recorded by using whole-cell patch clamp technique in single smooth muscle cells. Nicardipine (1μM), a L-type Ca2+ channel blocker, inhibited IBa by 98⁑1.9% (n=5), however IBa was decreased in a reversible manner by application of SS. The peak IBa at 0 mV were decreased to 95⁑1.1, 92⁑1.9, 82⁑4.0, 66⁑5.8, 10⁑2.9% at 1010, 109,... -
Buffering Contribution of Mitochondria to the [Ca2+]i Increase by Ca2+ Influx through Background Nonselective Cation Channels in Rabbit Aortic Endothelial Cells
YoungChulKim, SangJinLee, KiWhanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.1 5 29-36 (8 pages)
To prove the buffering contribution of mitochondria to the increase of intracellular Ca2+ level ([Ca2+]i) via background nonselective cation channel (background NSCC), we examined whether inhibition of mitochondria by protonophore carbonylcyanide m-chlorophenylhydrazone (CCCP) affects endothelial Ca2+ entry and Ca2+ buffering in freshly isolated rabbit aortic endothelial cells (RAECs). The ratio of fluorescence by fura-2 AM (R340/380) was measured in RAECs. Biological state was checked by... -
Cadmium Inhibition of Renal Endosomal Acidification
MooSeongKim, KyoungRyongKim, DoWhanAhn, YangSaengPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.1 9 63-72 (10 pages)
gradient-dependent fluorescence change, using acridine orange or FITC-dextran as a probe. In renal endosomes isolated from Cd-intoxicated rats, the Vmax of ATP-driven fluorescence quenching (H-ATPase dependent intravesicular acidification) was significantly attenuated with no substantial changes in the apparent Km, indicating that the capacity of acidification was reduced. When endosomes from normal animals were directly exposed to free Cd in vitro, the Vmax was slightly reduced, whereas... -
Role of K+ Channels to Resting Membrane Potential of Rabbit Middle Cerebral Arterial Smooth Muscle Cells
NariKim, JinHan, EuiyongKim, Yun-HeeKim, Jae-HongSim, Soo-CheonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.6 2 547-554 (8 pages)
The aim of the present study is to investigate the contribution of Ca2-activated K (KCa) channels and delayed rectifier K (KV) channels to the resting membrane potential (RMP) in rabbit middle cerebral arterial smooth muscle cells. The RMP and membrane currents were recorded using the whole-cell patch configuration and single KCa channel was recorded using the outside-out patch configuration. Using the pipette solution containing 0.05 mM EGTA, the RMP was... -
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)
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... -
Thyroid Hormone-Induced Alterations of Ca2+-ATPase and Phospholamban Protein Expression in Cardiac Sarcoplasmic Reticulum
HaeWonKim, KyungMinNoh, MiyoungPark, HeeRanLee, EunHeeLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 13 223-230 (8 pages)
Alterations of cardiovascular function associated with various thyroid states have been studied. In hyperthyroidism left ventricular contractility and relaxation velocity were increased, whereas these parameters were decreased in hypothyroidism. The mechanisms for these changes have been suggested to include alterations in the expression and/or activity levels of various proteins; α-myosin heavy chain, β- myosin heavy chain, β-receptors, the guanine nucleotide-binding regulatory protein, and... -
Effects of Ethanol on Na+-dependent Solute Uptake in Rabbit Renal Brush-Border Membrane Vesicles
YongKeunKim, SunHeeKo, JaeSukWoo, JinSupJung, SangHoLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 9 191-198 (8 pages)
This study was undertaken to examine the effect of ethanol on Na-dependent transport systems (glucose, phosphate, and dicarboxylate) in renal brush-border membrane vesicles (BBMV). Ethanol inhibited Na- dependent uptakes of glucose, phosphate, and succinate in a dose-dependent manner, but not the uptakes of Na-independent. The H/TEA antiport was reduced by 8% ethanol. Kinetic analysis showed that ethanol caused a decrease in Vmax of three transport systems, leaving... -
Decrease in Ca2+ Storage in the Cardiac Sarcoplasmic Reticulum of Diabetic Rat
Won-TaeKim, HaeWonKim, Young-KeeKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.6 9 725-732 (8 pages)
In order to elucidate the molecular mechanism of the intracellular Ca2 overload frequently reported from diabetic heart, diabetic rats were induced by the administration of streptozotocin, the membrane vesicles of junctional SR (heavy SR, HSR) were isolated from the ventricular myocytes, and SR Ca2 uptake and SR Ca2 release were measured. The activity of SR Ca2-ATPase was 562⁑14 nmol/min/mg protein in control heart. The activity was decreased to 413⁑30... -
Increased Activity of Large Conductance Ca2+-Activated K+ Channels in Negatively-Charged Lipid Membranes
JinBongParkPanDongRyu 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.4 15 529-539 (11 pages)
channels in charged membranes were 1.1∼1.7 times larger than those in PE membranes, and the differences were more pronounced at the lower ionic strength. The average slope conductances at 100 mM KCl were 251⁑9.9, 360⁑8.7 and 356⁑12.4 (mean⁑SEM) pS in PE, PS and PI membranes respectively. The potentials at which Po was 1/2, appeared to have shifted left by 40 mV along voltage axis in the membranes formed with PS or PI. Such shift was consistently seen at pCa 5, 4.5, 4 and... -
Barbiturates가 생체세포막 외측 단층의 소수성 부위와 친수성 부위에 분포되는 상대적 비율
윤일(Il Yun), 이병우(Byung Woo Lee) 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1995, 제 31권 제 3호 1 271-278 (8 pages)
Barbiturates의 분자적 약리학적 작용기전 연구에 기초자료를 제공키 위하여 본연구를 수행하였다. 분자적 약리작용 기전 연구에서는 무엇보다도 선행되어야 하는 것이 barbiturates가 신경세포막에서 어느 부위에 주로 분포되는가를 알아내는 데에 있다. 쥐(Rat)의 뇌로부터 분리한 synaptosomal plasma membrane vesicles (RSPMV)를 분리한 후 이 RSPMV 외측 단층(outer monolayer)의 소수성 부위와 친수성 부위에 barbiturates가 분포되는 경향을 형광 probe 법으로 검색하였다. 세포막 외측 단층의 친수성 부위에 분포되는 형광 probe... -
시상하부 조각에서 내재성 카테콜아민의 분비에 대한 포도당의 조절작용
정전섭(Jun-Sub Jung), 황형식(Hyung-Sik Hwang), 위명복(Myung-Bok Wie), 송동근(Dong-Keun Song), 김용식(Yong-Sik Kim), 김영희(Yung-Hi Kim) 대한약리학회 대한약리학잡지 6 Pages
대한약리학회 대한약리학잡지 1993, 제 29권 제 2호 3 183-188 (6 pages)
시상하부 조각에서 카테콜아민의 분비에 대한 포도당의 영향을 관찰하였다. 카테콜아민의 기초분비는 포도당의 농도(5 ~ 30mM)에 반비례하였다. Tetrodotoxin (10μM)의 존재하에서 카테콜아민의 기초분비에 대한 포도당의 억제 작용은 대부분 유지되었으나, 도파민에 대한 30 mM 포도당의 억제 작용은 거의 봉쇄되었다. Tetrodotoxin (10μM)과 desipramine (3μM)의 존재하에서는 카테콜아민의 기초분비에 대한 포도당의 영향이 없었다. 이상의 결과는 포도당이 transsynaptic action 뿐 아니라 카테콜아민 신경세포 말단에 대한 직접... -
Carcinogen (3-methyl-4-dimethyl-aminoazo benzene) 처리후 간세포막에서의 Transferrin Receptor 변동에 관한 연구
이재흔(Jae Heun Lee), 노의선(Eu Sun Ro), 허강민(Gang Min Hur), 이충식(Choong Sik Lee), 석정호(Jeong Ho Seok) 대한약리학회 대한약리학잡지 12 Pages
대한약리학회 대한약리학잡지 1993, 제 29권 제 1호 9 85-96 (12 pages)
화학물질에 의한 간암 유발과정에서 transferrin receptor (TfR)의 변동을 밝히기 위해 간을 부분절제한 정상백서의 재생간과 발암물질로 3-Me-DAB를 8주간 투여한 백서 또는 약물 투여 후 부분 간절제 수술을 행하여 세포분열을 유도시킨 백서 간조직으로부터 parenchymal cell (PC)과 nonparenchymal cell (NPC)를 분리하고 각각의 세포막을 제조하여 125I-transferrin 결합실험을 실시한 바 다음과 같은 성적을 얻었다. 1. 3-Me-DAB 투여에 의하여 간조직에서 oval cell의 증식, 재생성 변화, 결절형성, 담관의 증식 및 담관세포암... -
사람의 백혈구 내에 있는 Elestase: 순수부리, 금속이온의 화학량, 그리고 Chelating 효과에 의한 활성도 조절
강구일(Koo-Il Kang) 대한약리학회 대한약리학잡지 14 Pages
대한약리학회 대한약리학잡지 1988, 제 24권 제 1호 12 111-124 (14 pages)
사람의 혈액으로부터 Elastase를 분리하는 새로운 방법을 개발하여 순도 높은 효소를 얻고 이 효소에 의하여 발생되어지는 질병의 예방과 치료에 응용하기 위하여 이 효소의 근본적인 성질규명을 시도하였다. 정제 방법으로는 Sephodex G-75를 이용한 1회의 액체 크로마토그라피와 HPLC을 이용한 2회의 코마토그라피를 거치는 2단계 방법을 사용하였다. 이때 얻어진 효소는 분자량이 26,000 ~ 29,700 사이에 있는 3개의 다른 분자량을 가진 물질로 확인되었으며, 항체 반응에서 사람의 결구내 Elastase의 특성을 나타내었다. 함유하고... -
Higenamine과 그 유도체들이 흰쥐 미토콘드리아 Monoamine Oxidase 활성에 미치는 영향
서유헌(Yoo Hun Suh), 박혜영(Hae Young Park), 임정규(Jung Kyoo Lim), 박찬웅(Chan Woong ParK) 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1984, 제 20권 제 2호 8 73-80 (8 pages)
본 연구에서는 higenamine과 그 유도체들이 백서 뇌 미토콘드리아 Monoamine Oxidase(MAO) 의 활성에 미치는 영향에 관하여 관찰하였다. 시험한 화합물들 중에서 심장의 등장성 수축에는 효과를 나타내지 않는 methoxyhigenamine이 가장 5-hydroxytryptamine(5-HT)과 phenylethylamine(PEA)에 대한 MAO의 활성을 가역적으로 억제시켰으며, 그 억제 양상은 각각 pure competitive형과 hyperbolic mixed 형이었다. 이에 5-HT에 대한 IC50 는 PEA에 대한 것보다 10배 정도 낮아서 MAO-B 보다는 MAO-A에서 더 강한 억제 작용을 나타내었다....
