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Ca2＋-induced Ca2＋ Release from Internal Stores in INS-1 Rat Insulinoma Cells
KyungJinChoi, DongSuCho, JuYoungKim, ByungJoonKim, KyungMooLee, ShinHyeKim, DongKwanKim, SeHoonKim, HyungSeoPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.1 8 53-60 (8 pages)
of Ca2＋ through voltage-dependent Ca2＋ channels. The resulting elevation of intracellular calcium ([Ca2＋]i) triggers additional Ca2＋ release from internal stores. Less well understood are the mechanisms involved in Ca2＋ mobilization from internal stores after activation of Ca2＋ influx. The mobilization process is known as calcium-induced calcium release (CICR). In this study, our goal was to investigate the existence of and the role of caffeine-sensitive ryanodine receptors (RyRs) in a rat... -
Quantitative evaluation of renal parenchymal perfusion using contrast-enhanced ultrasonography in renal ischemia-reperfusion injury in dogs
Gahyun Lee, Sunghoon Jeon, Sang-kwon Lee, Byunggyu Cheon, Sohyeon Moon, Jun-Gyu Park, Kyoung-Oh Cho, Jihye Choi 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 4호 16 507-514 (8 pages)
This study evaluated whether renal perfusion changes can be noninvasively estimated by using contrast-enhanced ultrasonography (CEUS) in renal ischemia-reperfusion injury and investigated the correlation between renal perfusion measured by CEUS and necrosis and apoptosis of renal tubular epithelial cells. In six dogs with experimentally induced renal ischemia-reperfusion injury, changes in time to peak intensity, peak intensity, and area under the curve were measured on CEUS. Peak intensity and... -
Changes in hoof kinetics and kinematics at walk in response to hoof trimming
Babak Faramarzi, An Nguyen, Fanglong Dong 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 4호 12 557-562 (6 pages)
Appropriate hoof preparation and symmetry are linked to the well-being of the horse. Previous studies have shown the efficacy of pressure plates (PPs) in delivering objective biomechanical analysis. We aimed to assess the effect of hoof trimming on hoof biomechanics using a PP. Nine clinically sound Arabian horses were walked across a PP while foot strike was recorded by a digital camera. Kinetic and kinematic parameters were recorded before and after trimming. Changes were considered... -
Calcium-sensing receptor-mediated L-tryptophan-induced secretion of cholecystokinin and glucose-dependent insulinotropic peptide in swine duodenum
Xiuying Zhao, Yihan Xian, Chao Wang, Liren Ding, Xianglong Meng, Weiyun Zhu, Suqin Hang 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 2호 4 179-187 (9 pages)
This study aimed to elucidate the effect of tryptophan (Trp) on gut hormone secretion as well as the roles of the calcium-sensing receptor (CaSR) and its downstream signaling pathway in gut hormone secretion by assessing swine duodenal perfusion in vitro. Swine duodenum was perfused with Krebs-Henseleit buffer as a basal solution. Various concentrations (0, 10, and 20 mM) of Trp were applied to investigate its effect on gut hormone secretion. A CaSR antagonist was used to detect the involvement... -
Canine model of ischemic stroke with permanent middle cerebral artery occlusion: clinical features, magnetic resonance imaging, histopathology, and immunohistochemistry
Joon-Hyeok Jeon, Hae-Won Jung, Hyo-Mi Jang, Jong-Hyun Moon, Ki-Tae Park, Hee-Chun Lee, Ha-Young Lim, Jung-Hyang Sur, By 대한수의학회 Journal of Veterinary Science 11 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 1호 10 75-85 (11 pages)
The purpose of this study was to identify time-related changes in clinical, MRI, histopathologic, and immunohistochemical findings associated with ischemic stroke in dogs. Additionally, the association of cerebrospinal fluid (CSF) and tissue levels of interleukin (IL)-6 with clinical prognosis was assessed. Ischemic stroke was induced by permanent middle cerebral artery occlusion (MCAO) in nine healthy experimental dogs. The dogs were divided into three groups... -
Pre- and post-operative cardiac evaluation of dogs undergoing lobectomy and pneumonectomy
Meri? Kocat?rk, Hakan Salci, Zeki Yilmaz*, A. Sami Bayram, Jørgen Koch 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 3호 12 257-264 (8 pages)
This study aimed to assess the influence of lobectomy and pneumonectomy on cardiac rhythm and on the dimensions and function of the right-side of the heart. Twelve dogs undergoing lobectomy and eight dogs undergoing pneumonectomy were evaluated preoperatively and one month postoperatively with electrocardiography and Doppler echocardiography at rest. Pulmonary artery systolic pressure (PASP) was estimated by the tricuspid regurgitation jet (TRJ) via the pulse wave Doppler velocity method.... -
Ethanol extract of Angelica gigas inhibits croton oil-induced inflammation by suppressing the cyclooxygenase-prostaglandin pathway
Sunhee Shin, Seong Soo Joo, Dongsun Park, Jeong Hee Jeon, Tae Kyun Kim, Jeong Seon Kim, Sung Kyeong Park, Bang Yeon Hwang, *, Yun 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 1호 7 43-50 (8 pages)
The anti-inflammatory effects of an ethanol extract of Angelica gigas (EAG) were investigated in vitro and in vivo using croton oil-induced inflammation models. Croton oil (20 μg/mL) up-regulated mRNA expression of cyclooxygenase (COX)-I and COX-II in the macrophage cell line, RAW 264.7, resulting in the release of high concentrations of prostaglandin E2 (PGE2). EAG (1∼10 μg/mL) markedly suppressed croton oil-induced COX-II mRNA expression and PGE2 production. Application of croton oil (5% in... -
In vitro and in vivo gene therapy with CMV vector-mediated presumed dog β-nerve growth factor in pyridoxine-induced neuropathy dogs
Jin-Young Chung, Jung-Hoon Choi, Il-Seob Shin, Eun-Wha Choi, Cheol-Yong Hwang, Sang-Koo Lee, Hwa-Young Youn* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 4호 5 367-374 (8 pages)
Due to the therapeutic potential of gene therapy for neuronal injury, many studies of neurotrophic factors, vectors, and animal models have been performed. The presumed dog β-nerve growth factor (pdβ-NGF) was generated and cloned and its expression was confirmed in CHO cells. The recombinant pdβ-NGF protein reacted with a human β-NGF antibody and showed bioactivity in PC12 cells. The pdβb-NGF was shown to have similar bioactivity to the dog β-NGF. The recombinant pdβ-NGF plasmid was... -
Pyridoxine induced neuropathy by subcutaneous administration in dogs
Jin-Young Chung, Jung-Hoon Choi, Cheol-Yong Hwang, Hwa-Young Youn* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 2호 2 127-132 (6 pages)
To construct a sensory neuropathy model, excess pyridoxine (150 mg/kg s.i.d.) was injected subcutaneously in dogs over a period of 7 days. During the administrations period, the dogs experienced body weight reduction and proprioceptive loss involving the hindquarters. After pyridoxine administration was completed, electrophysiological recordings showed that the M wave remained at a normal state, but the H-reflex of the treated dogs disappeared at 7 days. The dorsal funiculus of L4 was disrupted... -
Canine model of ischemic stroke with permanent middle cerebral artery occlusion: clinical and histopathological findings
Byeong-Teck Kang, Jong-Hwan Lee, Dong-In Jung, Chul Park, Su-Hyun Gu, Hyo-Won Jeon, Dong-Pyo Jang, Chae-Young Lim, Fu-Shi Quan, 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 4호 9 369-376 (8 pages)
The aim of the present study was to assess the clinical and histopathological findings in a canine model of ischemic stroke. Cerebral ischemic stroke was induced by middle cerebral artery occlusion in four healthy beagle dogs using silicone plugs. They showed neurological signs of forebrain dysfunction such as reduced responsiveness, head turning, circling, postural reaction deficits, perceptual deficits, and hemianopsia. These signs gradually regressed within 4 weeks without therapy. On... -
Epigallocatechin-3 gallate prevents cardiac hypertrophy induced by pressure overload in rats
Jia Hao, Chan-Hyung Kim, Tae-Sun Ha, Hee-Yul Ahn 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 2호 4 121-129 (9 pages)
Pressure overload diseases, such as valvular stenosis and systemic hypertension, manifest morphologically in patients as cardiac concentric hypertrophy. Prevention of cardiac remodeling due to increased pressure overload is important to reduce morbidity and mortality. Epigallocatechin-3 gallate (EGCG) is a major bioactive polyphenol present in green tea which has been found to be a nitric oxide-mediated vasorelaxant and to be cardioprotective in myocardial ischemia-reperfusion injury. Therefore,... -
Hypoglycemic effects of vanadium on alloxan monohydrate induced diabetic dogs
Joo-Min Kim, Jin-Young Chung, Sook-Yeon Lee, Eun-Wha Choi, Min-Kyu Kim, Cheol-Yong Hwang, Hwa-Young Youn 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2006, 제 7권 제 4호 15 391-395 (5 pages)
The hypoglycemic effects after oral administration of vanadium have been studied previously in many species such as rats, mice and even humans. However, there has been no prior report on the glucose lowering effect of vanadium on diabetic dogs. Therefore, the purpose of this study was to evaluate the hypoglycemic effects of oral vanadium on diabetic dogs. Diabetes mellitus in the dogs studied was induced by alloxan monohydrate intravenous injection. The dogs were divided into two groups, one was... -
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... -
Glucocorticoid-induced laminitis with hepatopathy in a Thoroughbred filly
Seung-ho Ryu, Byung-sun Kim, Chang-woo Lee, Junghee Yoon, Yonghoon Lyon Lee 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 3호 15 271-274 (4 pages)
A 3-year-old Thoroughbred filly was referred to the Equine Hospital, Korea Racing Association for evaluation of hematuria, inappetite, weight loss and depression. From 25 days prior to admission, the horse was treated for right carpal lameness with 20 mg intramuscular administration of triamcinolone acetonide per day for consecutive 10 days by a local veterinarian. Clinical and laboratory findings included vaginal hyperemia, flare in bladder wall, neutrophilia, lymphopenia, polyuria, polydipsia... -
Quantitative Doppler echocardiography during Dobutamine stress test in canine mitral regurgitant model
HoJungChoi, SungJunWon, KiChangLee, MinCheolChoi, JungHeeYoon 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 6 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2004, 제 44권 제 2호 21 317-322 (6 pages)
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Antioxidant Effects of Pyrogallol in Neural Cells and Mice Brain
Jisub Moon, Heesun Gwak, Tae-Hee Lee, Eun Suk An, Yun-Bae Kim, Dongsun Park 한국교원대학교 뇌기반교육연구소 Brain, Digital, & Learning 12 Pages
한국교원대학교 뇌기반교육연구소 Brain, Digital, & Learning 2019, 제 9권 제 3호 2 113-124 (12 pages)
Polyphenols can easily react with reactive oxygen species (ROS) resulting in powerful antioxidant activity. Pyrogallol is a polyphenol found in a variety of fruits and vegetables. Therefore, plants containing pyrogallol can be used for their antioxidant, anti-bacterial, anti-fungal, anti-allergic, and anti-inflammatory properties. However, its effectiveness as an antioxidant is still a matter of debate because pyrogallol is also a superoxide anion generator and induces superoxide anion-mediated... -
Antipruritic effect of curcumin on histamine-induced itching in mice
Han Kyu Lee, Seok Bum Park, Su-youne Chang, Sung Jun Jung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2018, Vol.22 No.5 8 547-554 (8 pages)
Itching is a common clinical symptom of skin disease that significantly affects a patient’s quality of life. Transient receptor potential vanilloid 1 (TRPV1) receptors of keratinocytes and peripheral nerve fibers in skin are involved in the regulation of itching as well as pain. In this study, we investigated whether curcumin, which acts on TRPV1 receptors, affects histamine-induced itching in mice, using behavioral tests and electrophysiological approaches. We found that histamine-induced... -
Cilostazol attenuates kainic acid-induced hippocampal cell death
Young-SeopPark, ZhenJin, EunAeJeong, Chin-okYi, JongYoulLee, InSungPark, GuSeobRoh 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2018, Vol.22 No.1 7 63-70 (8 pages)
Cilostazol is a selective inhibitor of type 3 phosphodiesterase (PDE3) and has been widely used as an antiplatelet agent. Cilostazol mediates this activity through effects on the cyclic adenosine monophosphate (cAMP) signaling cascade. Recently, it has attracted attention as a neuroprotective agent. However, little is known about cilostazol’s effect on excitotoxicity induced neuronal cell death. Therefore, this study evaluated the neuroprotective effect of cilostazol treatment against... -
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)
Plumbagin, a hydroxy 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...
