자료유형
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- 대한생리학회-대한약리학회(152)
- 대한약리학회(28)
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- THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY(152)
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총 246건 검색
본문검색 결과만 보기
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PKA-Mediated Regulation of B/K Gene Transcription in PC12 Cells
Mi-HyunChoi, Ho-ShikKim, Sung-HoChoi, Mi-YoungKim, Yoon-SeongJang, Young-MinJang, Jeong-HwaLee, Seong-WhanJeong, In-KyungKim, Oh-JooKwon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.6 4 333-340 (8 pages)
B/K protein is a novel protein containing double C2-like domains. We examined the specific signaling pathway that regulates the transcription of B/K in PC12 cells. When the cells were treated with forskolin (50μM), B/K mRNA and protein levels were time-dependently decreased, reaching the lowest level at 3 or 4 hr, and thereafter returning to the control level. Chemicals such as dibutyryl-cAMP, cell- permeable cyclic AMP (cAMP) analogue and CGS21680, adenosine receptor A2A agonist, also... -
Two Types of Voltage-activated Calcium Currents in Goldfish Horizontal Cells
Sun-SookPaik, Sun-HoBai, Chang-SubJung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.5 3 269-274 (6 pages)
In horizontal cells (HCs) that were freshly dissociated from goldfish retina, two types of voltage- dependent calcium currents (ICa) were recorded using a patch-clamping configuration: a transient type current and a sustained type current. The cell was held at 40 mV, and the prepulse step of 90 mV was applied before command pulse between 65 and 55 mV. The transient Ca2 current was activated by depolarization to around 50 mV from a prepulse voltage of... -
Inhibition of Hypoxia-induced Apoptosis in PC12 Cells by Estradiol
JiYeonJung, KwangHoonRoh, YeonJinJeong, SunHunKim, EunJuLee, MinSeokKim, WonMannOh, HeeKyunOh, WonJaeKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.4 7 231-238 (8 pages)
Neuronal apoptotic events, which result in cell death, are occurred in hypoxic/ischemic conditions. Estradiol is a female sex hormone with steroid structure known to provide neuroprotection through multiple mechanisms in the central nervous system. This study was aimed to investigate the signal transduction pathway of CoCl2-induced neuronal cell death and the inhibitory effects of estradiol. Administration of CoCl2 decreased cell viability in both a dose- and time-dependent manner in PC12 cells.... -
Modulation of Large Conductance Ca2+-activated K+ Channel of Skin Fibroblast (CRL-1474) by Cyclic Nucleotides
JihyunYun, SeungtaeKim, HyoweonBang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 4 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.2 9 131-134 (4 pages)
rectifying oscillatory current with whole-cell recordings. Single channel analysis showed large conductance K channels (106 pS of chord conductance at 40 mV in physiological K gradient). The 106 pS channels were activated by membrane potential and [Ca2]i, consistent with the known properties of BKCa channels. BKCa channels in CRL-1474 were positively regulated by adenylate cyclase activator (10μM forskolin), 8-Br-cyclic AMP (300μM) or 8-Br-cyclic GMP (300μM). These... -
D-Amphetamine Causes Dual Actions on Catecholamine Release from the Rat Adrenal Medulla
Geon-HanLim, Gwang-MoonNa, Seon-YoungMin, Yoo-SeokSeo, Chan-WonPark, Dong-YoonLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.1 7 45-54 (10 pages)
Collectively, these experimental results suggest that d-amphetamine at low concentrations enhances the CA secretion from the rat adrenal medulla evoked by cholinergic stimulation (both nicotininc and muscarinic receptors) as well as by membrane depolarization, but at high concentration it rather inhibits them. It seems that d-amphetamine has dual effects as both agonist and antagonist at nicotinic receptors of the isolated perfused rat adrenal medulla, which might be dependent on the... -
Effects of PCB Congeners in Rodent Neuronal Cells in Culture
Sun-YoungKimJae-HoYang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.1 2 9-16 (8 pages)
We attempted to analyze the mechanism of polychlorinated biphenyl (PCB)-induced neurotoxicity and identify the target molecules in the neuronal cells for PCBs.Since the developing neuron is particularly sensitive to PCB-induced neurotoxicity, we isolated cerebellar granule cells derived from 7-day old Sprague Dawley (SD) rats and grew cells in culture for additional 7 days to mimic PND-14 conditions. Only non-coplanar PCBs at a high dose showed a significant increase of total protein kinase C... -
Effect of Fluoxetine on the Induction of Long-term Potentiation in Rat Frontal Cortex
Hwang-SooKim, Hyun-SokKim, SangJuneHahn, Myung-JunKim, ShinHeeYoon, Yang-HyeokJo, Myung-SukKim, Duck-JooRhie 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.6 1 295-300 (6 pages)
Serotonin (5-hydroxytroptamine, 5-HT) has been shown to affect the induction of long-term potentiation (LTP) in the cortex such as the hippocampus, the visual cortex and the prefrontal cortex. Fluoxetine, as a selective serotonin reuptake inhibitor, is used in the management of a wide variety of psychological diseases. To study the effect of fluoxetine on the induction of LTP, we recorded the field potential in layer II/III of the frontal cortex from 3-wk-old. LTP was induced in horizontal input... -
Characterization of Acetylcholine-induced Currents in Male Rat Pelvic Ganglion Neurons
Joong-HyunPark, Kyu-SangPark, Seung-KyuCha, Keon-IlLee, Min-JungKim, Jong-YeonPark, InDeokKong, Joong-WooLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.4 8 219-226 (8 pages)
well established that both sympathetic and parasympathetic synaptic transmissions in autonomic ganglia are mediated mainly by acetylcholine (ACh). Until now, however, the properties of ACh-induced currents and its receptors in pelvic ganglia have not clearly been elucidated. In the present study, biophysical characteristics and molecular nature of nicotinic acetylcholine receptors (nAChRs) were studied in sympathetic and parasympathetic major pelvic ganglion (MPG) neurons. MPG neurons isolated... -
Activation of Vestibular Neurons Projecting to Autonomic Brain Stem Nuclei Following Acute Hypotension in Rats
DongOkChoi, ChonIlYon, MyoungAeChoi, ByungRimPark, MinSunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.4 2 181-186 (6 pages)
Extracellular regulated protein kinase1/2 (pERK1/2) is one of the major regulatory factors for transcription of the c-fos oncogene in neurons. The purpose of this study was to evaluate the expression of phosphorylated ERK1/2 within the vestibular nuclei (VN) of rats following acute arterial hypotension. Following the acute arterial hypotension induced by rapid hemorrhage, a significant number of pERK1/2-immunoreactive neurons appeared bilaterally in the caudal aspect of the medial and inferior... -
Kinesin Superfamily KIF5 Proteins Bind to βIII Spectrin
Jae-EunPaik, NariKim, SungSuYea, WonHeeJang, Joon-YoungChung, Sang-KyoungLee, Yeong-HongPark, JinHan, Dae-HyunSeog 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.3 8 167-172 (6 pages)
The kinesin proteins (KIFs) make up a large superfamily of molecular motors that transport cargo such as vesicles, protein complexes, and organelles. KIF5 is a heterotetrameric motor that conveys vesicles and plays an important role in neuronal function. Here, we used the yeast two-hybrid system to identify the neuronal protein(s) that interacts with the tail region of KIF5 and found a specific interaction with βIII spectrin. The amino acid residues between 1394 and 1774 of βIII spectrin were...
