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1491.

Responses of Inferior Olive Neurons to Stimulation of Semicircular Canals. II. Vertical Semicircular Canalss

Sah-HoonPark, JongSeongPark, JinSoonPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.4 1 193-198 (6 pages)

Sah-HoonPark, JongSeongPark, JinSoonPark 저
...
- 3,000원
In the present study, the vestibularly evoked activity of inferior olive (IO) neurons was examined to investigate the vertical vestibular information transmitted through the vestibulo-olivo-cerebellar climbing fiber pathway. The extracellular recording was made in 74 neurons of the IO of cats, while animals were sinusoidally rotated. Most of vestibularly activated IO neurons responded to the vertical rotation (roll) test and were found in or near the β subnuclei (IOβ). The vestibular IO...
1492.

Effects of γ-Aminobutyric Acid on Intrinsic Cholinergic Action in Exocrine Secretion of Isolated, Perfused Rat Pancreas

YongDeukPark, HyungSeoPark, ZhengYunCui, HyoungJinPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.3 8 169-174 (6 pages)

YongDeukPark, HyungSeoPark, ZhengYunCui, HyoungJinPark 저
...
- 3,000원
γ-Aminobutyric acid (GABA) has been reported to enhance exocrine secretion evoked not only by secretagogues but also by intrinsic neuronal excitation in the pancreas. The pancreas contains cholinergic neurons abundantly that exert a stimulatory role in exocrine secretion. This study was undertaken to examine effects of GABA on an action of cholinergic neurons in exocrine secretion of the pancreas. Intrinsic neurons were excited by electrical field stimulation (EFS; 15 V, 2 msec, 8 Hz, 45 min)...
1493.

Transduction of Tat-Superoxide Dismutase into Insulin-producing MIN6N Cells Reduces Streptozotocin-induced Cytotoxicity

InSoonChoung, WonSikEum, MingZhenLi, GyeSukSin, JungHoonKang, JinseuPark, SooYoungChoi, HyeokYilKwon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.3 7 163-168 (6 pages)

InSoonChoung, WonSikEum, MingZhenLi, GyeSukSin, JungHoonKang, JinseuPark, SooYoungChoi, HyeokYilKwon 저
...
- 3,000원
The reactive oxygen species (ROS) are considered to be an important mediator in pancreatic β cell destruction, thereby triggering the development of insulin-dependent diabetes mellitus. In the present study, HIV-1 Tat-mediated transduction of Cu,Zn-superoxide dismutase (SOD) was investigated to evaluate its protective potential against streptozotocin (STZ)-induced cytotoxicity in insulin-producing MIN6N cells. Tat-SOD fusion protein was successfully delivered into MIN6N cells in a...
1494.

Comparison of Vasodilator Effects of Platycodin D and D3 in Rats

Dong-YoonLim, Byeong-CheolKim, Eun-BangLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.3 5 149-155 (7 pages)

Dong-YoonLim, Byeong-CheolKim, Eun-BangLee 저
...
- 3,000원
The aim of the present study was to examine the effects of platycodin D and D3, which are active components derived from the roots of Platycodon grandiflorum A. DC., on the contractile force of the i3olated rat aorta and blood pressure of the anesthetized rat, and also to elucidate its mechanism of action. Both phenylephrine (an adrenergic α1-receptor agonist) and high potassium (a membrane- depolarizing agent) caused great contractile responses in the isolated aortic strips. Platycodin D at...
1495.

Selective Cytotoxicity of Novel Platinum(II) Coordination Complexes on Human Bladder Cancer Cell-Lines and Normal Kidney Cells

Jung-TaeKim, Young-SooRho, Jee-ChangJung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.2 10 111-117 (7 pages)

Jung-TaeKim, Young-SooRho, Jee-ChangJung 저
...
- 3,000원
Cisplatin is often effective in cancer treatment, but its clinical use is limited because of its nephrotoxicity. We have synthesized new platinum(II) coordination complexes (PC-1 & PC-2) containing trans-l and cis-1,2-diaminocyclohexane (DACH) as carrier ligands and L-3 -phenyllactic acid (PLA) as a leaving group with the aim of reducing nephrotoxicity but maintaining its anticancer activity. In this study, new platinum(II) complex compounds were evaluated for selective cytotoxicity on...
1496.

Changes in Vestibular Nerve Activity Following Acute Hypotension in Rats

ByungRimPark, MinSunKim, GueHyunYee, MyoungJinMoon, JaeHyoKim, YuanZheJin, YoSikKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.2 6 85-89 (5 pages)

ByungRimPark, MinSunKim, GueHyunYee, MyoungJinMoon, JaeHyoKim, YuanZheJin, YoSikKim 저
...
- 1,500원
The basic mechanism for the excitation of the peripheral vestibular receptors following acute hypotension induced by sodium nitroprusside (SNP) or hemorrhage was investigated in anesthetized rats. Electrical activity of the afferent vestibular nerve was measured after pretreatment with kynurenic acid, an NMDA receptor antagonist. The activity of the vestibular nerve at rest following acute hypotension induced by SNP or simulating hemorrhage was a greater increase than in control animals. The...
1497.

Roles of Nitric Oxide in Vestibular Compensation

Han-SeongJeong, JaeYeoulJun, Jong-SeongPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.2 4 73-77 (5 pages)

Han-SeongJeong, JaeYeoulJun, Jong-SeongPark 저
...
- 1,500원
The effects of nitric oxide on the vestibular function recovery following unilateral labyrinthectomy (UL) were studied. Sprague-Dawley male rats, treated with nitric oxide liberating agent sodium nitroprusside (SNP) and NOS inhibitor NG-nitro-L-arginine methyl ester (L-NAME), were subjected to destruction of the unilateral vestibular apparatus, and then spontaneous nystagmus was observed in the rat. To explore the effects of nitric oxide on the neuronal excitability, whole cell patch clamp...
1498.

Effects of Noradrenaline on the Membrane Potential of Prostatic Neuroendocrine Cells of Rat

JunHeeKim, SunYoungShin, Dae-YongUhm, SungJoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.1 9 47-52 (6 pages)

JunHeeKim, SunYoungShin, Dae-YongUhm, SungJoonKim 저
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- 3,000원
The prostate gland contains numerous neuroendocrine cells that are believed to influence the function of the prostate gland. Our recent study demonstrated the expression of both α1- and α2-ARs, signaling the release of stored Ca2⁢ and the inhibition of N-type Ca2⁢ channels, respectively, in rat prostate neuroendocrine cells (RPNECs). In this study, the effects of NA on the resting membrane potential (RMP) of RPNECs were investigated using a whole-cell patch clamp method. Fresh...
1499.

Dietary Ascorbate Supplementation Reduces Oxidative Tissue Damage and Expression of iNOS in the Kidney of Streptozotocin Induced Diabetic Rats

MyungSeoupChoi, YoonYoungJang, WooSeungLee, JinHoSong, YongKyooShin 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.1 8 39-45 (7 pages)

MyungSeoupChoi, YoonYoungJang, WooSeungLee, JinHoSong, YongKyooShin 저
...
- 3,000원
In the present experimental condition, the ascorbate supplimentation had no significant effect on plasma glucose levels and changes in body weight of normal rate. The superoxide generation, formation of thiobarbituric acid reactive substance and iNOS expression in kidney were significantly increased in STZ-treated rats that were decreased by ascorbate supplimentation. The ascorbate supplimentation had no effect on vasorelaxation of isolated thoracic aorta. These results indicate that ascorbate...
1500.

4-Aminopyridine Inhibits the Large-conductance Ca2+-activated K+ Channel (BKCa) Currents in Rabbit Pulmonary Arterial Smooth Muscle Cells

YoungMinBae, AeranKim, BokyungKim, Sung-IlCho, JunghwanKim, YungEEarm 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 4 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.1 5 25-28 (4 pages)

YoungMinBae, AeranKim, BokyungKim, Sung-IlCho, JunghwanKim, YungEEarm 저
...
- 1,500원
Ion channel inhibitors are widely used for pharmacological discrimination between the different channel types as well as for determination of their functional role. In the present study, we tested the hypothesis that 4-aminopyridine (4-AP) could affect the large conductance Ca2⁢-activated K⁢ channel (BKCa) currents using perforated-patch or cell-attached configuration of patch-clamp technique in the rabbit pulmonary arterial smooth muscle. Application of 4-AP reversibly inhibited the...

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