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Myogenic Autoregulation of Coronary Vessels and Heterometric Autoregulation of the Myocardium
Doring, H.J., Schlicht, I., Hiller, V., Jiang, X.R. 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1989, 제 23권 제 2호 1 225-236 (12 pages)
of the coronary vessels were induced by means of stepwise increases of perfusion pressure. 2) According to this loading test Frank-Starling function curves of the left ventricle and pressure-flow curves of the coronary vessels can be drawn. This graphic evaluation gives more information about the condition of the heart and the coronary vessels than simple evaluation under hemodynamic equilibrium. 3) There are significant differences in both curves between animal species and between different... -
Multidetector computed tomographic angiography evaluation of micropig major systemic vessels for xenotransplantation
Jung Min Ryu, Woong Yoon, Jae Hong Park, Seung Pil Yun, Min Woo Jang, Ho Jae Han* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 3호 2 209-214 (6 pages)
the major systemic vessels in micropigs and compared our results to published human data. The main vasculature of the animals was similar to that of humans, except for the iliac arterial system. However, diameters of the major systemic vessels were significantly different between micropigs and humans. Specifically, the diameter of the aortic arch, abdominal aorta, external iliac artery, and femoral artery, were measured as 1.50 ± 0.07 cm, 0.85 ± 0.06 cm, 0.52 ± 0.05 cm, and 0.48... -
The Alteration of Ca2+-activated K+ Channels in Coronary Arterial Smooth Muscle Cells Isolated from Isoproterenol-induced Cardiac Hypertrophy in Rabbit
NariKim, JinHan, EuiyongKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.2 5 147-156 (10 pages)
amplitudes and the slope conductance of coronary KCa channels were decreased without changes of the channel kinetics in isoproterenol-induced cardiac hypertrophy; (2) the sensitivity of coronary KCa channels to the changes of intracellular concentration of Ca2 was reduced in isoproterenol-induced cardiac hypertrophy. From above results, we suggest for the first time that the alteration of KCa channels are involved in impaired coronary reserve in isoproterenol-induced cardiac hypertrophy. -
Altered Delayed Rectifier K+ Current of Rabbit Coronary Arterial Myocytes in Isoproterenol-Induced Hypertrophy
NariKim, JinHan, EuiyongKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.1 5 33-40 (8 pages)
normal and hypertrophied hearts. These channels were measured from rabbit coronary smooth muscle cells using a patch clamp technique. The main findings of the study are as follows: (1) the KDR current density was decreased without changes of the channel kinetics in isoproterenol-induced hypertrophy; (2) the sensitivity of coronary KDR channels to 4-AP was increased in isoproterenol-induced hypertrophy. From the above results, we suggest for the first time that the alteration of KDR channels may... -
Effects of Calcium Channel Blockers on Porcine Cardiac and Coronary Arterial Function in Ischemia-Reperfusion
YungHongBaik, HyunKook, SunHeePark, SeongJooJeong, DongYoonLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.6 7 587-595 (9 pages)
right coronary artery (RCA) induced by ischemia- reperfusion in anesthetized, open-chest pigs. After reperfusion, pigs were sacrificed and the RCA was rapidly dissected for in vitro experiments. Experimental groups were divided into 4 groups: control (C-RCA), ischemia-reperfusion only (I-RCA), verapamil infusion (VI-RCA) and nifedipine infusion (NI-RCA) group, respectively. The ischemia did not affect hemodynamics, mean arterial pressure, heart rate, LVdP/dtmax, and decreased RCA flow. Arterial... -
Effects of the Endothelium on the Contractile Responses to Norepinephrine in Isolated Proximal and Distal Coronary Artery of Pigs
Kim, Jong-Hoon, Jeon, Byeong-Hwa, Chang, Seok-Jong, Park, Hae-Kun 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1993, 제 27권 제 1호 3 27-36 (10 pages)
10-6M). α-adrenoceptor-mediated contraction by NE was greater in the proximal coronary artery than the distal coronary artery. Quantitatively, α1-adrenoceptor mediated contraction by NE was greater than α2-adrenoceptor mediated contraction by NE in both arteries. NE-induced relaxation was decreased by rubbing of endothelium in both arteries. α1-and α2-adrenoceptor mediated contraction by NE were potentiated by rubbing of endothelium in both arteries. Pretreatment with methylene blue, an... -
Effects of pH, PCO2, and Adenosine on the Contractility of Pig Coronary Artery
Chang, Seok-Jong, Kim, Il-Seon, Jeon, Byeong-Hwa, Kim, Se-Hoon 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1992, 제 26권 제 1호 5 45-54 (10 pages)
on the vascular contractility were investigated in the pig coronary arteries. The helical strips of isolated coronary arteries were immersed in the HEPES or HCO3-/CO2-buffered Tyrode s solution equilibrated with 100% O2 or 95% O2-5% CO2 at 35℃. The contraction was recorded isometrically using a force transducer. The amplitudes of contraction induced by ACh, high K+, and electrical Held stimulation (EFS) were decreased by elevating extracellular pH (pHo) and were increased by lowering pHo. A... -
Technique of Coronary Transfer for TGA with Single Coronary Artery
Kim. Tae Ho, Jung. Jae Jun, Kim. Yong Han, Yang. Ji-Hyuk, Jun. Tae-Gook 대한흉부외과학회 The Korean journal of thoracic and cardiovascular surgery 4 Pages
대한흉부외과학회 The Korean journal of thoracic and cardiovascular surgery 2014, Vol.47 No.6 529-532 (4 pages)
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Relation of Pulmonary Function Impairment and Coronary Artery Calcification by Multi-detector Computed Tomography in Group Exposed to Inorganic Dusts
Lee. Won-Jeong, Shin. Jae Hoon, Park. So Young 대한결핵및호흡기학회 Tuberculosis and respiratory diseases : TRD 7 Pages
대한결핵및호흡기학회 Tuberculosis and respiratory diseases : TRD 2013, Vol.74 No.2 56-62 (7 pages)
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Pharmacological Evidence that Cromakalim Inhibits Ca2+ Release from Intracellular Stores in Porcine Coronary Artery
ByungYongRhim, SunHwaHong, ChiDaeKim, WonSukLee, KiWhanHong 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.1 4 27-34 (8 pages)
In the present study, it was aimed to further indentify the intracellular action mechansm of cromakalim and levcromakalim in the porcine coronary artery. In intact porcine coronary arterial strips loaded with fura-2/AM, acetylcholine caused an increase in intracellular free Ca2 ([Ca2]i) in association with a contraction in a concentration-dependent manner. Cromakalim (1 ㄍM) caused a reduction in acetylcholine-induced increased [Ca2]i not only in the mormal... -
The effect of coenzyme Q10 on endothelial function in a young population
Jerrold Petrofsky, M. Laymona, H. Lee, E. Hernandez, D. Dequine, L. Thorsen, R. Lovell, J. Andrade 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2012, 제 1권 제 1호 2 6-12 (7 pages)
is an enzymatic co factor used in normal cellular metabolism. Recent evidence shows that in people with heart disease it can reverse endothelial cell damage in the blood vessels. It is also a potent antioxidant. Design: One group pretest-posttest design. Methods: In the present study, endothelial function was evaluated using the response to occlusion and heat before and 2 weeks after administration of CoQ10, 300 mg/day. Thirty Eight subjects, who are physical therapy students, participated in a... -
Potential erythropoiesis in the primo-vascular system in heart failure
Chae Jeong Lim, So Yeong Lee, Pan Dong Ryu 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 277 343-344 (2 pages)
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Surgical access via right thoracotomy facilitates tricuspid valve surgery in sheep
Wolfgang Bothe, Mahmoud Diab, Romanus Ostermann, Michael Schwarzer, Luisa Woelfel, Sabine Bischoff, Harald Schubert, Torsten Doe 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 1호 9 67-71 (5 pages)
to approach. Therefore, in the in vivo studies, arterial cannulation was performed through a carotid (n = 4) or femoral (n = 2) artery. In conclusion, a right-sided thoracotomy allows good visualization of all components of the tricuspid valve complex in sheep, but not of the ascending aorta. Consequently, peripheral vessels are preferred for arterial cannulation. This work may stimulate the investigation of pathomechanisms and/or novel treatment options for tricuspid valve pathologies. -
Optimal scan delay depending on contrast material injection duration in abdominal multi-phase computed tomography of pancreas and liver in normal Beagle dogs
Soo-Young Choi, In Lee, Ji-Won Seo, Hyun-Young Park, Ho-Jung Choi, Young-Won Lee 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 15 555-561 (7 pages)
This study was conducted to establish the values for optimal fixed scan delays and diagnostic scan delays associated with the bolus-tracking technique using various contrast material injection durations in canine abdominal multi-phase computed tomography (CT). This study consisted of two experiments employing the crossover method. In experiment 1, three dynamic scans at the porta hepatis were performed using 5, 10 and 15 sec injection durations. In experiment 2, two CT scans consisting of five... -
Claudin-1, -2, -4, and -5: comparison of expression levels and distribution in equine tissues
Bonn Lee, Hee Young Kang, Dong Oh Lee, Changhwan Ahn, Eui-Bae Jeung 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 2 445-451 (7 pages)
Claudins, which are known as transmembrane proteins play an essential role in tight junctions (TJs) to form physical barriers and regulate paracellular transportation. To understand equine diseases, it is helpful to measure the tissue-specific expression of TJs in horses. Major equine diseases such as colic and West Nile cause damage to TJs. In this study, the expression level and distribution of claudin-1, -2, -4, and -5 in eight tissues were assessed by Western blotting and... -
The association of Hsp90 expression induced by aspirin with anti-stress damage in chicken myocardial cells
Xiao-hui Zhang, Huai-sen Zhu, Zhuang Qian, Shu Tang, Di Wu, Nicole Kemper, Joerg Hartung, En-dong Bao 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 1호 5 35-44 (10 pages)
The protective effect of aspirin during exposure to heat stress in broiler chickens was investigated. We assayed pathological damage, expression and distribution of Hsp90 protein and hsp90 mRNA expression in chicken heart tissues after oral administration of aspirin following exposure to high temperature for varying times. Heat stress induced increases in plasma aspartate aminotransferase, creatine kinase and lactate dehydrogenase activities while causing severe heart damage, which was... -
Butyrate regulates leptin expression through different signaling pathways in adipocytes
Mohamed Mohamed Soliman*, Mohamed Mohamed Ahmed, Alaa-eldin Salah-eldin, Abeer Abdel-Alim Abdel-Aal 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 4호 3 319-323 (5 pages)
Leptin is an adipocytokine that regulates body weight, and maintains energy homeostasis by promoting reduced food intake and increasing energy expenditure. Leptin expression and secretion is regulated by various factors including hormones and fatty acids. Butyrate is a short-chain fatty acid that acts as source of energy in humans. We determined whether this fatty acid can play a role in leptin expression in fully differentiated human adipocytes. Mature differentiated adipocytes were incubated... -
Comparison of bare metal stent and paclitaxel-eluting stent using a novel rat aorta stent model
Jin Sook Kwon, Rho Kwan Park, Tae Jin Shim, Myung Ho Jeong, Myeong Chan Cho, Youngkeun Ahn, Dong-Woon Kim 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 2호 6 143-150 (8 pages)
The purpose of our study was to create a novel rat aorta stent implantation model. Stainless steel bare metal stents (BMS) or paclitaxel-eluting stents (PES) were implanted in male Sprague-Dawley rats (BW 400 ± 20 g). Two and four weeks after stent implantation, the aorta were collected, fixed with 2% glutaraldehyde, and cut into two segments. One segment was used for scanning electron microscopy analysis to evaluate re-endothelialization, and the other segment was used to calculate the... -
Real time observation of mouse fetal skeleton using a high resolution X-ray synchrotron
Dong Woo Chang, Bora Kim, Jae Hoon Shin, Young Min Yun, Jung Ho Je, Yeu kuang Hwu, Jung Hee Yoon, Je Kyung Seong 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 2호 1 107-114 (8 pages)
The X-ray synchrotron is quite different from conventional radiation sources. This technique may expand the capabilities of conventional radiology and be applied in novel manners for special cases. To evaluate the usefulness of X-ray synchrotron radiation systems for real time observations, mouse fetal skeleton development was monitored with a high resolution X-ray synchrotron. A non-monochromatized X-ray synchrotron (white beam, 5C1 beamline) was employed to observe the skeleton of mice under... -
Bilateral Polydactyly in a foal
Bianca Carstanjen, Marie Abitbol, Christophe Desbois 대한수의학회 Journal of Veterinary Science 3 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 2호 17 201-203 (3 pages)
The following case report describes the diagnosis and surgery of bilateral polydactyly of unknown origin in a colt. A 7-month-old Berber colt was referred for cosmetic and curative excision of supernumerary digits. Radiographic examination revealed bilateral polydactyly and welldeveloped first carpal bones. Surgery consisted of an osteotomy of both second metacarpal bones combined with an amputation of the supernumerary digits. The follow-up at 18 months after surgery revealed a sound horse with... -
Comparative analysis of heart functions in micropigs and conventional pigs using echocardiography and radiography
Min Young Lee, Sang Hun Lee, Seung Gon Lee, Soo Hyun Park, Chai Yong Lee, Kye Hun Kim, Sun Ho Hwang, Sang Yub Lim, Young Keun Ah 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 1호 2 7-14 (8 pages)
The production of miniature animals has been suggested for use in organ transplantation. At present, many of the studies about application of animal organs to human have been focused on pigs because of the number of advantages involved and due to their similarities with human. However, a physiological analysis of the organs to be transplanted has not yet been carried out. Therefore, this study analyzed whether or not there were physiological and morphological differences in the hearts of... -
Attenuation of ischemia-reperfusion injury by ascorbic acid in the canine renal transplantation
Jae-il Lee, Hwa-Young Son, Myung-cheol Kim 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2006, 제 7권 제 4호 12 375-379 (5 pages)
This study examined the effects of ascorbic acid on the attenuation of an ischemia-reperfusion (I/R) injury after a canine renal transplantation. Eight beagle dogs were subjected to a renal auto-transplantation followed by the administration of ascorbic acid (treatment group) and the same amount of vehicle (physiological saline, control group). Blood samples were collected from these dogs to perform the kidney function tests and the invasive blood pressure was measured in the renal artery at... -
Influence of Isoflurane Anesthesia on Pulsatility Index and Peak Systolic Velocity of Basilar Artery in Dogs by Doppler Ultrasonography
Ki-Chang Lee, Min-Cheol Choi and Jung-Hee Yoon 대한수의학회 Journal of Veterinary Science 3 Pages
대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 3호 9 203-205 (3 pages)
This study was performed to examine the influence of isoflurane anesthesia on the pulsatility index (PI) and the peak systolic velocity (PSV) of the blood flow in the basilar artery of dogs by duplex Doppler ultrasonography. Twelve healthy dogs were used to measure the PI and the PSV under the conscious state and isoflurane anesthesia. The pulsatility index (PI) and the peak systolic velocity (PSV) in the basilar artery were measured five times with random intervals. The blood pressure was... -
Mechanism of UV light-induced photorelaxation in isolated rat aorta
Joo-heon Kim, Yonggeun Hong, Cheol-soo Shim 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2000, 제 1권 제 2호 4 81-86 (6 pages)
Isolated rat thoracic aorta which is pharmacologically precontracted by phenylephrine induces photorelaxation when exposed to long wave length UV-light. The aim of the present study was to characterize the mechanism of UV-light induced by photorelaxation in the rat aorta. 1. UV light relaxed both endothelium-intact and -denuded rat aortic rings contracted by phenylephrine. The magnitude of relaxation on UV light was dependent on the exposure time and slightly greatly in endothelium-denuded rings... -
Multicentric T cell Lymphosarcoma in a Jeju native boar
HyoungSeokYang, SangChulKang, JiYoulJung, InSoonRoh, DaeYongKim, JongHeeBae, JaeHoonKim 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 4 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2007, 제 47권 제 2호 7 187-190 (4 pages)
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Multicentric T cell Lymphoma in a Maltese dog
JiYoulJung, SangChulKang, InSoonRoh, HyunJooSohn, YoungMinYun, JungHunKim, KyoungKapLee, MinChanAn, JongHeeBae, JaeHoonKim 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 5 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2007, 제 47권 제 1호 11 85-89 (5 pages)
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Morroniside on anti-inflammation activities in rats following acute myocardial infarction
BangxingYu, GuoxingZhang, YiAn, WenWang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2018, Vol.22 No.1 2 17-21 (5 pages)
mL/kg) and an acute myocardial infarction (AMI) was induced by ligating the anterior descending coronary artery (LAD). Following AMI, morroniside was administered intragastrically for 3 consecutive days at doses of 45, 90 and 180 mg/kg, respectively. Lactate dehydrogenase (LDH) and cardiac troponin T (cTnT) activities in AMI rats in the serum were detected with commercial kits. The expression of IL-6, IL-1β and TNF-α in myocardium was detected by Western blotting analysis. We observed a... -
Biphasic augmentation of alpha-adrenergic contraction by plumbagin in rat systemic arteries
HaeJinKim, HaeYoungYoo, YinHuaZhang, WooKyungKim, SungJoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.6 14 687-694 (8 pages)
1,4-naphthoquinone compound from plant metabolites, exhibits anticancer, antibacterial, and antifungal activities via modulating various signaling molecules. However, its effects on vascular functions are rarely studied except in pulmonary and coronary arteries where NADPH oxidase (NOX) inhibition was suggested as a mechanism. Here we investigate the effects of plumbagin on the contractility of skeletal artery (deep femoral artery, DFA), mesenteric artery (MA) and renal artery (RA) in rats.... -
The bifunctional effect of propofol on thromboxane agonist (U46619)-induced vasoconstriction in isolated human pulmonary artery
NingHao, ZhaojunWang, SujuanKuang, GuangyanZhang, ChunyuDeng, JueMa, JianxiuCui 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.6 3 591-598 (8 pages)
Propofol is known to cause vasorelaxation of several systemic vascular beds. However, its effect on the pulmonary vasculature remains controversial. In the present study, we investigated the effects of propofol on human pulmonary arteries obtained from patients who had undergone surgery. Arterial rings were mounted in a Multi-Myograph system for measurement of isometric forces. U46619 was used to induce sustained contraction of the intrapulmonary arteries, and propofol was then applied (in... -
Participation of COX-1 and COX-2 in the contractile effect of phenylephrine in prepubescent and old rats
GustavoGuevara-Balcazar, IsraelRamirez-Sanchez, ElviaMera-Jimenez, IvanRubio-Gayosso, MariaEugeniaAguilar-Najera, MariaC.Castillo-Her 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.4 6 407-413 (7 pages)
and pathologic processes (e.g., arterial pressure and inflammatory processes). The aim of this study was to analyze changes in the contractile response to phenylephrine of thoracic/abdominal aorta and the coronary artery during aging in rats. Three groups of rats were formed and sacrificed at three distinct ages: prepubescent, young and old adult. The results suggest that there is a higher participation of prostanoids in the contractile effect of phenylephrine in pre-pubescent rats, and a lower... -
Elucidation of the profound antagonism of contractile action of phenylephrine in rat aorta effected by an atypical sympathomimetic decongestant
EldinaRizvi, GoranJankovi, MiroslavM.Savi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.4 4 385-395 (11 pages)
Vasoconstrictive properties of sympathomimetic drugs are the basis of their widespread use as decongestants and possible source of adverse responses. Insufficiently substantiated practice of combining decongestants in some marketed preparations, such are those containing phenylephrine and lerimazoline, may affect the overall contractile activity, and thus their therapeutic utility. This study aimed to examine the interaction between lerimazoline and phenylephrine in isolated rat aortic rings,... -
Neurogenic pathways in remote ischemic preconditioning induced cardioprotection: Evidences and possible mechanisms
AmritpalSinghAulakh, PuneetKaurRhawa, NirmalSingh, AmteshwarSinghJaggi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.2 1 145-152 (8 pages)
Remote ischemic preconditioning (RIPC) is an intrinsic phenomenon whereby 3~4 consecutive ischemia-reperfusion cycles to a remote tissue (noncardiac) increases the tolerance of the myocardium to sustained ischemiareperfusion induced injury. Remote ischemic preconditioning induces the local release of chemical mediators which activate the sensory nerve endings to convey signals to the brain. The latter consequently stimulates the efferent nerve endings innervating the myocardium to induce... -
High fat diet confers vascular hyper-contractility against angiotensin II through upregulation of MLCK and CPI-17
JeeInKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.1 12 99-106 (8 pages)
Obesity is a critical risk factor for the hypertension. Although angiotensin II (Ang II) in obese individuals is known to be upregulated in obesity-induced hypertension, direct evidence that explains the underlying mechanism for increased vascular tone and consequent increase in blood pressure (BP) is largely unknown. The purpose of this study is to investigate the novel mechanism underlying Ang II-induced hyper-contractility and hypertension in obese rats. Eight-week old male Sprague-Dawley... -
Effects of high glucose with or without other metabolic substrates on alpha-adrenergic contractions in rat mesenteric and femoral arteries
RanyVorn, HaeYoungYoo 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.1 11 91-97 (7 pages)
Hyperglycemia is associated with an increased risk of cardiovascular diseases. It has been demonstrated that chronic exposure to high glucose impaired endothelial functions. However, specific effects of short-term exposure to high glucose on vascular reactivity are controversial. Moreover, the combined effects of other metabolic substrates such as free fatty acids (FFA) on vascular reactivity remain poorly understood. Here we investigate the effects of short-term exposure to high glucose with or... -
Intravenous administration of piceatannol, an arginase inhibitor, improves endothelial dysfunction in aged mice
MinhCongNguyen, SungwooRyoo 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.1 10 83-90 (8 pages)
Advanced age is one of the risk factors for vascular diseases that are mainly caused by impaired nitric oxide (NO) production. It has been demonstrated that endothelial arginase constrains the activity of endothelial nitric oxide synthase (eNOS) and limits NO generation. Hence, arginase inhibition is suggested to be vasoprotective in aging. In this study, we examined the effects of intravenous injection of Piceatannol, an arginase inhibitor, on aged mice. Our results show that Piceatannol... -
Dexmedetomidine inhibits vasoconstriction via activation of endothelial nitric oxide synthase
LidanNong, JueMa, GuangyanZhang, ChunyuDeng, SongsongMao, HaifengLi, JianxiuCui 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.5 1 441-447 (7 pages)
Despite the complex vascular effects of dexmedetomidine (DEX), its actions on human pulmonary resistance arteries remain unknown. The present study tested the hypothesis that DEX inhibits vascular tension in human pulmonary arteries through the endothelial nitric oxide synthase (eNOS) mediated production of nitric oxide (NO). Pulmonary artery segments were obtained from 62 patients who underwent lung resection. The direct effects of DEX on human pulmonary artery tension and changes in vascular... -
Effect of edaravone in diabetes mellitus-induced nephropathy in rats
RajavelVaratharajan, LiXinLim, KellyTan, ChaiSzeTay, YiLengTeoh, ShaikhSohrabAkhtar, ManiRupeshkumar, IvyChung, NorAzizanAbdullah, Urmila 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.4 2 333-340 (8 pages)
Edaravone, a synthetic-free radical scavenger, has been reported to reduce ischemia-reperfusion-induced renal injury by improving tubular cell function, and lowering serum creatinine and renal vascular resistance. The present study investigated the effect of edaravone in diabetes mellitus-induced nephropathy in rats. A single administration of streptozotocin (STZ, 55 mg/kg, i.p.) was employed to induce diabetes mellitus in rats. The STZ-administered diabetic rats were allowed for 10 weeks to... -
High glucose and palmitate increases bone morphogenic protein 4 expression in human endothelial cells
Oak-KeeHong, Soon-JibYoo, Jang-WonSon, Mee-KyoungKim, KiHyunBaek, Ki-HoSong, Bong-YunCha, HanjoongJo, Hyuk-SangKwon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.2 5 169-175 (7 pages)
Here, we investigated whether hyperglycemia and/or free fatty acids (palmitate, PAL) aff ect the expression level of bone morphogenic protein 4 (BMP4), a proatherogenic marker, in endothelial cells and the potential role of BMP4 in diabetic vascular complications. To measure BMP4 expression, human umbilical vein endothelial cells (HUVECs) were exposed to high glucose concentrations and/ or PAL for 24 or 72 h, and the effects of these treatments on the expression levels of adhesion molecules and...
