자료유형
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- 대한생리학회-대한약리학회(152)
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- THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY(152)
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총 246건 검색
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Evidence for Adenosine Triphosphate (ATP) as an Excitatory Neurotransmitter in Guinea-Pig Gastric Antrum
TongMookKang, WenxieXu, SungJoonKim, SeungCheolAhn, YoungChulKim, InsukSo, MyoungKyuPark, Dae-YongUhm, KiWhanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 6 165-174 (10 pages)
≥ β,γ-MeATP for inhibition of the phasic contraction, that accord with the commonly accepted rank order of the classical P2Y-purinoceptor subtypes. Electrical activities of smooth muscles were only slightly influenced by ATP and 2-MeSATP, whereas α,β-MeATP attenuated slow waves with membrane hyperpolarization. From the above results, it is suggested that ATP acts as an excitatory neurotransmitter, which mediates the rebound-contraction via P2Y-purinoceptor in guinea-pig gastric antrum. -
The Effects of Sera from Amyotrophic Lateral Sclerosis Patients on Neuromuscular Transmission and Calcium Channels in Mice
HaiDunYan, JimokKim, SungJunJung, JunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 17 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.1 13 101-117 (17 pages)
(MEPP) and nerve-evoked end plate potential (EPP) were measured using intracellular recording technique and the quantal content was determined. Single isolated DRG cells were voltage-clamped with the whole-cell configuration and membrane currents were recorded. Sera from 14 of 18 ALS patients caused a significant increase in MEPP frequency in normal Ringer's solution (4.62⁑0.14 Hz) compared with the control (2.18⁑0.15 Hz). In a high Mg2/low Ca2 solution, sera from 13 of... -
Calcium Modulates Excitatory Amino Acid (EAA)- and Substance P-induced Rat Dorsal Horn Cell Responses
HongKeeShin, SokHanKang, InDukChung, KeeSoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.1 5 35-45 (11 pages)
Excitatory amino acid (EAA) and substance P (SP) have been known to be primary candidates for nociceptive neurotransmitter in the spinal cord, and calcium ions are implicated in processing of the sensory informations mediated by EAA and SP in the spinal cord. In this study, we examined how Ca2 modified the responses of dorsal horn neurons to single or combined iontophoretical application of EAA and SP in the rat. All the LT cells tested responded to kainate, whereas about 55% of low... -
Characteristic Intracelluar Response to Lidocaine And MK-801 of Hippocampal Neurons An In Vivo Intracellular Neuron Recording Study
Byung-JuChoiJin-HwaCho 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.3 4 297-305 (9 pages)
This study used in vivo intracellular recording in rat hippocampus to evaluate the effect of lidocaine and MK-801 on the membrane properties and the synaptic responses of individual neurons to electrical stimulation of the commissural pathway. Cells in control group typically fired in a tonic discharge mode with an average firing frequency of 2.4⁑0.9 Hz. Neuron in MK-801 treated group (0.2 mg/kg, i.p.) had an average input resistance of 32.8⁑5.7 MΩ and a membrane time constant of... -
Differential Effect of Homocysteic Acid and Cysteic Acid on Changes of Inositol Phosphates and [Ca2+]i in Rat Cerebellar Granule Cells
Won-KiKimYoung-SookPae 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.1 5 41-48 (8 pages)
of physiological sa1t solution maintained at 370C， and aerated with 95% 02/5% CO2. Isometric myography was -
흰쥐의 척수에서 Cyclic Nucleotides 및 Glipizide가 Baclofen의 심혈관반응에 미치는 영향 Effects of Cyclic Nucleotides and Glipizide on the Cardiovascular Response of Baclofen in the Rats
신인철, 고현철, 하지희, .InChulShin, HyunChulKoh, JiHeeHa 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.6 5 647-655 (9 pages)
of a atlantooccipital membrane. Intrathecal injection of an GABAB receptor agonist, baclofen(30, 60, 100 nmol) decreased both BP and HR dose-dependently. Pretreatment with 8-bromo-cAMP(50 nmol), a cAMP analog, or glipizide(50 nmol), a ATP-sensitive K channel blocker, attenuated the depressor and bradycardic effects of baclofen(100 nmol), but not with 8-bromo-cGMP(50 nmol), a cGMP analog. These results suggest that the GABAB receptor in the spinal cord plays an inhibitory role in central... -
쥐 척수후각세포의 유해자극 반응에 대한 칼슘이온통로 차단제의 억제작용 Calcium Channel Blockers Suppress the Responses of Rat Dorsal Horn Cell to Nociceptive Input
신홍기, 강석한, 김기순, HongKeeShin, SokHanKang, KeeSoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 13 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.6 3 625-637 (13 pages)
variety of physiological functions, including enzyme activity, membrane excitability, neurotransmitter release, and synaptic transmission, etc. Calcium antagonists have been known to be effective for the treatment of exertional angina and essential hypertension. Selective and nonselective voltage-dependent calcium channel blockers also have inhibitory action on the acute and tonic pain behaviors resulting from thermal stimulation, subcutaneous formalin injection and nerve injury. This study was... -
Blockade of Intrinsic Oscillatory Activity of Cerebellar Purkinje Cells by Apamin and Nickel
WhasookSeo, JeanC.Strahlendorf, HowardK.Strahlendorf 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.5 2 477-484 (8 pages)
Intracellular recordings of oscillatory firing (bursting activity) were obtained from Purkinje cells (PCs) in rat cerebellar slices. Apamin inhibited post-burst hyperpolarizations (PBHs) progressively and finally terminated oscillatory firing activity of PCs. Apamin did not affect the amplitude or duration of the after-hyperpolarization (AHP) between spikes within the burst. In the voltage clamp mode, apamin shifted the whole-cell, quasi-steady state I/V relationship in an inward direction and...
