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231.

Characterization of ETB Receptor-mediated Relaxation in Precontracted Mesenteric Artery from Streptozotocin-induced Diabetic Rats

YangKiEom, KoanHoiKim, ByungYongRhim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.5 8 305-313 (9 pages)

YangKiEom, KoanHoiKim, ByungYongRhim 저
...
- 3,000원
Diabetes mellitus is associated with vascular complications, including an impairment of vascular function and alterations in the reactivity of blood vessels to vasoactive substances in various vasculature. In the present study, the authors have observed endothelin-B (ETB) receptor agonist-induced relaxation in precontracted mesenteric arterial segments from streptozotocin (STZ)-induced diabetic rats, which was not shown from control rats or in other arterial segments from diabetic rats....
232.

What is the Key Step in Muscle Fatty Acid Oxidation after Change of Plasma Free Fatty Acids Level in Rats?

Kyung-OhDoh, Sang-DugSuh, Jong-YeonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.3 7 173-178 (6 pages)

Kyung-OhDoh, Sang-DugSuh, Jong-YeonKim 저
...
- 3,000원
The purpose of this study was to discern the critical point in skeletal muscle fatty acid oxidation by changing plasma free fatty acids (FFA) level in rat. In the study, 3 key steps in lipid oxidation were examined after changing plasma FFA level by acipimox. The rates of both palmitate and palmitoyl- carnitine oxidation were decreased by decrease of plasma FFA level, however, carnitine palmitoyl transferase (CPT) 1 activity was not changed, suggesting CPT1 activity may not be involved in the...
233.

Insulin Resistance of Skeletal Muscle was Recovered by Leptin Injection in vivo, but not in vitro, in High-fat Diet Fed Rats

Kyung-OhDoh, Jeong-OakPark, Jeong-RyaeJeon, Jong-YeonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.2 8 125-130 (6 pages)

Kyung-OhDoh, Jeong-OakPark, Jeong-RyaeJeon, Jong-YeonKim 저
...
- 3,000원
mg/kg body weight) for 3 days. The glucose transports in the epitrochlearis and soleus muscle were not different among the experimental groups under basal state, however these were decreased significantly in the high fat-diet rats under insulin-stimulation (p＜0.01). Leptin treatment recovered the decreased glucose transport in the epitrochlearis (p＜0.05) and soleus (p=0.08). Triglyceride concentration in the soleus muscle was increased significantly in the high fat-fed rats, compared to chow...
234.

Mechanism of Leptin-Induced Potentiation of Catecholamine Secretion Evoked by Cholinergic Stimulation in the Rat Adrenal Medulla

Dong-YoonLim, Deok-HoChoi, Moo-JinKang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.4 9 227-235 (9 pages)

Dong-YoonLim, Deok-HoChoi, Moo-JinKang 저
...
- 3,000원
The aim of the present study was to examine the effect of leptin on CA release from the isolated perfused model of the rat adrenal gland, and to establish its mechanism of action. Leptin (1∼100 ng/ml), when perfused into an adrenal vein of the rat adrenal gland for 60 min, enhanced a dose-dependently the secretory responses of CA evoked by ACh (5.32⁓10⁣3 M), DMPP (10⁣4 M) and McN-A-343 (10⁣4 M), although it alone has weak effect on CA secretion. However, it did not...
235.

Detection of Mitochondrial ATP-Sensitive Potassium Channels in Rat Cardiomyocytes

DangVanCuong, NariKim, EuiyongKim, YoungsukLee, HyunjuKim, SunghyunKang, DaeYoungHur, HyunJoo, YoungShikPark, YongGeunHong, SangkyungLee, J 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.4 5 201-206 (6 pages)

DangVanCuong, NariKim, EuiyongKim, YoungsukLee, HyunjuKim, SunghyunKang, DaeYoungHur, HyunJoo, YoungShikPark, YongGeunHong, SangkyungLee, J 저
...
- 3,000원
we investigated the subunit composition of mitoKATP channels in mitochondria isolated from rat cardiacmyocytes. Mitochondria were visualized using the red fluorescence probe, Mitrotracker Red, while mitoKATP channels were visualized using the green fluorescence probe, glibenclamide-BODIPY. The immunofluorescence confocal microscopy revealed the presence of Kir6.1, Kir6.2 and SUR2 present in the cardiac mitochondria. Western blot analysis was carried to further investigate the nature of mitoKATP...
236.

Cooperation of Gβ and Gαq Protein in Contractile Response of Cat Lower Esophageal Sphincter (LES)

UyDongSohnTaiSangLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.6 9 349-355 (7 pages)

UyDongSohnTaiSangLee 저
...
- 3,000원
in LES and esophagus. Immunoblot analysis showed the presence of 3 types of PLC isozymes, PLC-β1, PLC-β3, and PLC-γ1, but not PLC-β2, PLC-β4, PLC-γ2, PLC-δ1, and PLC-δ2 from both LES and esophageal muscle. ACh produced contraction in a dose dependent manner in LES and esophageal muscle cells obtained by enzymatic digestion with collagenase. PLC-β1 or PLC-β3 antibody incubation reduced contraction in response to ACh in LES but not in esophageal permeabilized cells, but PLC-γ1 antibody...
237.

Thiol-dependent Redox Mechanisms in the Modification of ATP-Sensitive Potassium Channels in Rabbit Ventricular Myocytes

JinHan, NariKim, DangVanCuong, ChunghuiKim, EuiyongKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.1 4 15-23 (9 pages)

JinHan, NariKim, DangVanCuong, ChunghuiKim, EuiyongKim 저
...
- 3,000원
had no effect on the inhibitory action by ATP, showing that thiol oxidation was not involved in the blocking mechanism of ATP. There were no statistical difference in the single channel conductance for the oxidized and reduced states of the channel. Analysis of the open and closed time distributions showed that DTNB had no effect on open and closed time distributions shorter than 4 ms. On the other hand, DTNB decreased the life time of bursts and increased the interburst interval. N-ethylmaleimi...
238.

Altered Secretory Pattern of Pancreatic Enzymes and Gastrointestinal Hormones in Streptozotocin-induced Diabetic Rats

Myung-JunKim, GyeongRyulRyu, Sae-YoungYi, DoSikMin, Duck-JooRhie, ShinHeeYoon, SangJuneHahn, Myung-SukKim, Yang-HyeokJo 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2002, Vol.6 No.6 6 311-317 (7 pages)

Myung-JunKim, GyeongRyulRyu, Sae-YoungYi, DoSikMin, Duck-JooRhie, ShinHeeYoon, SangJuneHahn, Myung-SukKim, Yang-HyeokJo 저
...
- 3,000원
This study was performed to investigate the pancreatic exocrine dysfunction in streptozotocin- induced diabetic rats. Changes in pancreatic enzymes secretion and in pancreatic enzymes content were observed. The output and the tissue content of amylase were significantly reduced in diabetic rats, while the output and the content of lipase were increased. Plasma secretin and cholecystokinin (CCK) concentrations of diabetic rats were significantly increased compared to those of normal rats. The...
239.

Effects of Kanagawa Hemolysin on Blood Pressure and Arterial Tone in Rats

YoungMoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2002, Vol.6 No.4 8 225-233 (9 pages)

YoungMoonKim 저
...
- 3,000원
Kanagawa hemolysin (KH), an exotoxin produced from Kanagawa phenomenon-positive Vibrio parahemolyticus, has been shown to possess various biological activities including hemolysis, enterotoxicity, cytotoxicity, and cardiotoxicity. The aim of this study was to investigate the effect of KH on the cardiovascular system and its mechanism, employing in vivo and in vitro experiments of the rat. Intracerebroventricular (icv) administration of 100 mHU KH produced a marked and continuous pressor effect...
240.

Noradrenergic Modulation of Spontaneous Inhibitory Postsynaptic Currents in the Hypothalamic Paraventricular Nucleus

LongHwaLee, WoneeChong, KihoLee, JinBongPark, PanDongRyu 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2002, Vol.6 No.2 2 71-80 (10 pages)

LongHwaLee, WoneeChong, KihoLee, JinBongPark, PanDongRyu 저
...
- 3,000원
Previous studies have suggested that brain stem noradrenergic inputs differentially modulate neurons in the paraventricular nucleus (PVN). Here, we compared the effects of norepinephrine (NE) on spontaneous GABAergic inhibitory postsynaptic currents (sIPSCs) in identified PVN neurons using slice patch technique. In 17 of 18 type I neurons, NE (30∼100μM) reversibly decreased sIPSC frequency to 41⁑7% of the baseline value (4.4⁑0.8 Hz, p＜0.001). This effect was blocked by yohimbine...

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