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1181.

Nitric Oxide (NO) Inhibites the Neuronal Activities in the Rat Nucleus Tractus Solitarius

MiWonKim, MunSungPark, SunYoulRyu, JiYeonJung, YeonJinJeong, Sun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.1 2 7-15 (9 pages)

MiWonKim, MunSungPark, SunYoulRyu, JiYeonJung, YeonJinJeong, Sun 저
...
- 3,000원
about 50 g, were used. Whole cell patch recording and immunohistochemistry were done to determine the electrophysiological characteristics of the rostral gustatory nucleus of the tractus solitarius and distribution of NO synthases (NOS). Neuronal NOS (nNOS) immunoreactivity was strongly detected along the solitary tract extending from rostral to caudal medulla. Resting membrane potentials of NTS neurons were ⁣49.2⁑2 mV and action potential amplitudes were 68.5⁑2 mV with a mean...
1182.

Influence of Bradykinin on Catecholamine Release from the Rat Adrenal Medulla

Dong-YoonLim, Il-HwanKim, Gwang-MoonNa, Moo-JinKang, Ok-MinKim, Deok-HoChoi, Young-WooKi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.4 7 231-238 (8 pages)

Dong-YoonLim, Il-HwanKim, Gwang-MoonNa, Moo-JinKang, Ok-MinKim, Deok-HoChoi, Young-WooKi 저
...
- 3,000원
M). Collectively, these experimental results suggest that bradykinin enhances the CA secretion from the rat adrenal medulla evoked by cholinergic stimulation (both nicotininc and muscarinic receptors) and membrane depolarization through the activation of B2-bradykinin receptors, not through B1-bradykinin receptors. This facilitatory effect of bradykinin seems to be associated to the increased Ca2⁢ influx through the activation of the dihydropyridine L-type Ca2⁢ channels.
1183.

Roles of Gonadal Steroids on Exocrine Secretion of Isolated Perfused Rat Pancreas

HyungSeoPark, SeHoonKim, HyoungJinPark, MeeYoungLee, YoungHeeHan 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.4 5 217-221 (5 pages)

HyungSeoPark, SeHoonKim, HyoungJinPark, MeeYoungLee, YoungHeeHan 저
...
- 1,500원
To clarify the roles of gonadal steroids on pancreatic exocrine secretion, effects of progesterone and estradiol-17β on spontaneous and secretagogue-induced exocrine response of isolated perfused rat pancreas were investigated. Intra-arterial infusion of progesterone resulted in significant increase of the spontaneous pancreatic fluid and amylase secretion dose-dependently. However, estradiol-17β did not exert any influence on spontaneous pancreatic exocrine secretion. Exogenous secretin,...
1184.

PDTC Inhibits TNF-α-Induced Apoptosis in MC3T3E1 Cells

Han-JungChae, JeehyeonBae 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.4 2 199-205 (7 pages)

Han-JungChae, JeehyeonBae 저
...
- 3,000원
activation of nuclear factor (NF-κB), on the induction of TNF-α-induced activation of JNK/SAPK, AP-1, cytochrome c, caspase and apoptosis in MC3T3E1 osteoblasts. Pretreatment of the cells with PDTC blocked TNF-α-induced NF-κB activation. TNF-α-induced activation of AP-1, another nuclear transcription factor, was suppressed by PDTC. The activation of c-Jun N-terminal kinase, implicated in the regulation of AP-1, was also down regulated by PDTC. TNF-α-induced apoptosis, release of cytochrome...
1185.

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...
1186.

Effects of Dopamine on Intracellular pH in Opossum Kidney Cells

KyungWooKang, YungKyuKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.3 11 187-191 (5 pages)

KyungWooKang, YungKyuKim 저
...
- 1,500원
Na⁢/H⁢ exchanger (NHE) has a critical role in regulation of intracellular pH (pHi) in the renal proximal tubular cells. It has recently been shown that dopamine inhibits NHE in the renal proximal tubules. Nevertheless, there is a dearth of information on the effects of long-term (chronic) dopamine treatment on NHE activities. This study was performed to elucidate the pHi regulatory mechanisms during the chronic dopamine treatments in renal proximal tubular OK cells. The resting pHi...
1187.

Sympathetic Regulation of Aquaporin Water Channels in Rat Kidney

JongUnLee, KwangjayYoo, YoonWhaOh, DongYoonLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.3 10 181-185 (5 pages)

JongUnLee, KwangjayYoo, YoonWhaOh, DongYoonLim 저
...
- 1,500원
Whether there exists a sympathetic neural regulation on the aquaporin (AQP) channels in the kidney was examined. Male Sprague-Dawley rats were used. They were renal nerve denervated by stripping the nervous and connective tissues passing along the renal artery and vein, and painting these vessels with 10% phenol solution through a midline abdominal incision. Three days later, the expression of AQP1-4 proteins in the denervated kidneys was determined. The content of norepinephrine was found...
1188.

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)...
1189.

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...
1190.

Intrinsic Gating in Inward Rectifier Potassium Channels (Kir2.1) with Low Polyamine Affinity Generated by Site Directed Mutagenesis

ISo, , IAshmole, HSoh, CSPark, PJSpencer, MLeyl, PRStanfield, 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 12 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.3 3 131-142 (12 pages)

ISo, , IAshmole, HSoh, CSPark, PJSpencer, MLeyl, PRStanfield, 저
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- 4,100원
to account for that seen under whole cell recording. Channels open and shut under single channel recording, and changes of Popen appear to generate inward rectification. In D172H, the reduction in affinity for spermine is greater when His is protonated at low pHi. The effective valency for spermine is reduced from 3.09⁑0.07 in wild type to 1.95⁑0.09 in D172H at pHi 6.3. In the presence of dual mutants of Kir2.1, where E224 is also replaced, spermine affinity becomes undetectable....

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