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전체 선택해제
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본문검색 결과만 보기
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Golgi and Cajal’s scientific inquiry processes on the Neuron
Won Jung Kim, Yong-Ju Kwon 한국교원대학교 뇌기반교육연구소 Brain & Learning 16 Pages
한국교원대학교 뇌기반교육연구소 Brain & Learning 2012, 제 2권 제 1호 2 12-27 (16 pages)
생물학사를 적용한 생물 탐구는 과학자들의 연구 과정을 고찰하고 학생들이 과학자의 탐구 과정을 이해할 수 있는 효과적인 방법이다. 본 연구는 1906년 노벨 생리의학상 공동 수상자인 골지와 카잘의 연구 과정을 되짚어본다. 이 연구의 목적은 먼저 골지와 카잘의 연구 과정을 살펴보고, 이를 바탕으로 뉴런과 관련한 내용을 학습할 때 활용할 수 있는 생물학사 기반 탐구 활동지를 개발하는 것이다. 이를 위해 먼저 과학 탐구 과정에 대해 소개하였다. 이 과정에 각각의 과학자가 수행한 탐구 과정을 대응시키는 과학자의 탐구 과정... -
Reduction of long-term potentiation at Schaffer collateral-CA1 synapses in the rat hippocampus at the acute stage of vestibular compensation
GyoungWanLee, JaeHyoKim, MinSunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.4 8 423-428 (6 pages)
Vestibular compensation is a recovery process from vestibular symptoms over time after unilateral loss of peripheral vestibular end organs. The aim of the present study was to observe time-dependent changes in long-term potentiation (LTP) at Schaffer collateral-CA1 synapses in the CA1 area of the hippocampus during vestibular compensation. The input-output (I/O) relationships of fEPSP amplitudes and LTP induced by theta burst stimulation to Schaffer’s collateral commissural fibers were... -
Participation of central GABAA receptors in the trigeminal processing of mechanical allodynia in rats
MinJiKim, YoungHongPark, KuiYeYang, JinSookJu, YongChulBae, SeongKyuHan, DongKukAhn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.1 8 65-74 (10 pages)
Here we investigated the central processing mechanisms of mechanical allodynia and found a direct excitatory link with low-threshold input to nociceptive neurons. Experiments were performed on male Sprague-Dawley rats weighing 230-280 g. Subcutaneous injection of interleukin 1 beta (IL-1β) (1 ng/10 μL) was used to produce mechanical allodynia and thermal hyperalgesia. Intracisternal administration of bicuculline, a gamma aminobutyric acid A (GABAA) receptor antagonist, produced mechanical... -
Protective Effect of ECQ on Rat Reflux Esophagitis Model
Hyeon-SoonJang, JeongHoonHan, JunYeongJeong, UyDongSohn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.6 12 455-462 (8 pages)
This study was designed to determine the protective effect of Rumex Aquaticus Herba extracts containing quercetin-3-Ղ-D-glucuronopyranoside (ECQ) on experimental reflux esophagitis. Reflux esophagitis was induced by surgical procedure. The rats were divided into seven groups, namely normal group, control group, ECQ (1, 3, 10, 30 mg/kg) group and omeprazole (30 mg/kg) group. ECQ and omeprazole groups received intraduodenal administration. The Rats were starved for 24 hours before the... -
Inhibitory Effects of ECQ on Indomethacin-Induced Gastric Damage in Rats
JuhoJung, YoonjinNam, UyDongSohn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.6 5 399-404 (6 pages)
10 mg/kg. Six hours after indomethacin administration, the rats were sacrificed and the stomach was excised and opened along the greater curvature, and the surface area of gastric lesion was measured using optical microscope. Superoxide dismutase (SOD), catalase (CAT), myeloperoxidase (MPO) activities and malondialdehyde (MDA) levels were measured by ELISA. Western blot analysis was performed to detect protein expression of SOD-2. Linear hemorrhagic mucosal lesions were observed in the stomach 6... -
Extracellular Nucleotides Can Induce Chemokine (C-C motif) Ligand 2 Expression in Human Vascular Smooth Muscle Cells
Jeung-IlKim, Hye-YoungKim, Sun-MiKim, Sae-ALee, Yong-HaeSon, Seong-KugEo, Byung-YongRhim, KoanhoiKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.1 5 31-36 (6 pages)
To understand the roles of purinergic receptors and cellular molecules below the receptors in the vascular inflammatory response, we determined if extracellular nucleotides up-regulated chemokine expression in vascular smooth muscle cells (VSMCs). Human aortic smooth muscle cells (AoSMCs) abundantly express P2Y1, P2Y6, and P2Y11 receptors, which all respond to extracellular nucleotides. Exposure of human AoSMCs to NAD＋, an agonist of the human P2Y11 receptor, and NADP＋ as well as ATP, an... -
Effects of (-)-Epigallocatechin-3-gallate on Brain Infarction and the Activity Change of Matrix Metalloproteinase-9 Induced by Middle Cerebral Artery Occlusion in Mice
YongRiQian, JiHyunKook, ShinaeHwang, DoKyungKim, Jong-KeunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 4 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2007, Vol.11 No.3 2 85-88 (4 pages)
Matrix metalloproteinases (MMPs) can degrade a wide range of extracellular matrix components. It has been reported that MMP-9 are activated after focal ischemia in experimental animals. ()-Epigallocatechin-3-gallate (EGCG), a major constituent of green tea polyphenols, is a potent free radical scavenger and reduces the neuronal damage caused by oxygen free radicals. And it has been known that EGCG could reduce the infarction volume in focal brain ischemia and inhibit MMP-9 activity. To... -
The Role of Janus Kinase in Superoxide-mediated Proliferation of Diabetic Vascular Smooth Muscle Cells
JiYoungLee, JiYoungPark, ChiDaeKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2007, Vol.11 No.1 5 31-36 (6 pages)
To elucidate a potential molecular link between diabetes and atherosclerosis, we investigated the role of Janus tyrosine kinase (JAK) for NAD(P)H oxidase-derived superoxide generation in the enhanced proliferative capacity of vascular smooth muscle cells (VSMC) of Otsuka Long-Evans Tokushima Fatty (OLETF) rat, an animal model of type 2 diabetes. An enhanced proliferative response to 10% fetal bovine serum (FBS) and superoxide generation with an increased NAD(P)H oxidase activity were observed in... -
Dopamine Modulates Corticostriatal Synaptic Transmission through Both D1 and D2 Receptor Subtypes in Rat Brain
HyunHoLee, SeJoonChoi, Ki-JungKim, HyeongSeokCho, SeongYunKim, Ki-WugSung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.5 2 263-268 (6 pages)
Striatum has important roles in motor control, habitual learning and memory. It receives glutamatergic inputs from neocortex and thalamus, and dopaminergic inputs from substantia nigra. We examined effects of dopamine (DA) on the corticostriatal synaptic transmission using in vitro extracellular recording technique in rat brain corticostriatal slices. Synaptic responses were elicited by stimulation of cortical glutamatergic inputs on the corpus callosum and recorded in the dorsal striatum.... -
Effects of a δ-opioid Agonist on the Brainstem Vestibular Nuclear Neuronal Activity of Rats
Tae-SunKim, MeiHuang, Myung-JooJang, Han-SeongJeong, Jong-SeongPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.3 1 137-142 (6 pages)
This study was undertaken to investigate the effects of [D-Ala2, D-Leu5]-enkephalin (DADLE) on the spontaneous activity of medial vestibular nuclear neurons of the rat. Sprague-Dawley rats, aged 14 to 16 days, were anesthetized with ether and decapitated. After enzymatic digestion, the brain stem portion of medial vestibular nuclear neuron was obtained by micropunching. The dissociated neurons were transferred to a recording chamber mounted on an inverted microscope, and spontaneous action...
