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1181.

Role of Gap Junctions in the Endothelium-Dependent Hyperpolarization of Vascular Smooth Muscle Cells

YoshimichiYamamoto, MeganF.Klemm, HikaruHashitani, RichardJ.Lang, TsuyoshiSoji, HikaruSuzuki 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.1 1 1-8 (8 pages)

YoshimichiYamamoto, MeganF.Klemm, HikaruHashitani, RichardJ.Lang, TsuyoshiSoji, HikaruSuzuki 저
...
- 3,000원
Hyperpolarization of arterial smooth muscle by acetylcholine is considered to be produced by the release of an unidentified chemical substance, an endothelium-derived hyperpolarizing factor (EDHF). Several chemicals have been proposed as the candidate for EDHF. However, none of them fulfil completely the nature and property of EDHF. Ultrastructural observation with electron microscope reveals that in some arteries, gap junctions are formed between endothelial and smooth muscle cells. In small...
1182.

The Effect of Indomethacin on the Production of Eicosanoids and Edema during Ischemia-Reperfusion Injury in Skeletal Muscle

YoonJaeChung, ByungKyuSohn, KwangSoonHyun, SangHeeYoo, HyongKyunRyu, HyungGunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.6 11 515-523 (9 pages)

YoonJaeChung, ByungKyuSohn, KwangSoonHyun, SangHeeYoo, HyongKyunRyu, HyungGunKim 저
...
- 3,000원
During reperfusion of skeletal muscle after ischemia, lipid mediators, mainly eicosanoids, are released and may have a role in the pathogenesis of reperfusion injury. To validate the role of eicosanoids in the ischemia-reperfusion induced functional deficits in skeletal muscle, we compared muscle edema and the changes of eicosanoid concentration in the rat hind limb after ischemia-reperfusion injury by application of tourniquet. After 4 hours of ischemia, reperfusion was established for 4 hours...
1183.

Comparative Effects of PKB-α and PKC-ζ on the Phosphorylation of GLUT4-Containing Vesicles in Rat Adipocytes

Jong-SikHah 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.6 7 479-486 (8 pages)

Jong-SikHah 저
...
- 3,000원
Insulin stimulates glucose transport in muscle and fat cells by promoting the translocation of glucose transporter (GLUT4) to the cell surface. Phosphatidylinositide 3-kinase (PI3-kinase) has been implicated in this process. However, the involvement of protein kinase B (PKB)/Akt and PKC-ζ, those are known as the downstream target of PI3-kinase in regulation of GLUT4 translocation, is not known yet. An interesting possibility is that these protein kinases phosphorylate GLUT4 directly in this...
1184.

Mechanism of L-NAME-Resistant Endothelium-Dependent Relaxation Induced by Acetylcholine in Rabbit Renal Artery

DongSooYeon, DuckSunAhn, Young-HoLee, SeongChunKwon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.6 5 463-469 (7 pages)

DongSooYeon, DuckSunAhn, Young-HoLee, SeongChunKwon 저
...
- 3,000원
In the rabbit renal artery, acetylcholine (ACh, 1 nM∼10μM) induced endothelium-dependent relaxation of arterial rings precontracted with norepinephrine (NE, 1μM) in a dose-dependent manner. NG-nitro- L-arginine (L-NAME, 0.1 mM), an inhibitor of NO synthase, or ODQ (1μM), a soluble guanylate cyclase inhibitor, partially inhibited the ACh-induced endothelium-dependent relaxation. The ACh-induced relaxation was abolished in the presence of 25 mM KCl and L-NAME. The cytochrome P450 inhibitors,...
1185.

Inhibition of Tumor Necrosis Factor-α mRNA Expression by a Limited Series of Tetrahydroisoquinolines in Mouse Peritoneal Macrophages

TaeHoJung, YoungSooLee, YoungJinKang, BogKyuLee, YoungShinKo, HanGeukSeo, SooYounChung, Duck-HyungLee, HyeSookYun-Choi, KiChurlChang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.4 8 325-331 (7 pages)

TaeHoJung, YoungSooLee, YoungJinKang, BogKyuLee, YoungShinKo, HanGeukSeo, SooYounChung, Duck-HyungLee, HyeSookYun-Choi, KiChurlChang 저
...
- 3,000원
Tumor necrosis factor-α (TNF-α) plays important roles in inflammatory responses. Some of tetrahydroisoquinoline (THI) compounds exhibited to inhibit iNOS expression in animal studies and RAW 264.7 cells, but the action of THI on inflammatory reaction was not fully investigated. In the present study, we examined a limited series of THIs (higenamine, YS-51 and THI-52) on the TNF-α mRNA expression in mouse peritoneal macrophages by Northern analysis. When thioglycollate-stimulated peritoneal...
1186.

Effects of Prostaglandin F2α on Membrane Potentials and K+ Currents in Rabbit Middle Cerebral Arterial Cells

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

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.4 5 301-309 (9 pages)

NariKim, JinHan, WonGueKim, EuiyongKim 저
...
- 3,000원
The purpose of our investigation was to examine the effects of prostaglandin F2α (PGF2α) on membrane potentials, Ca2⁢-activated K⁢ (KCa) channels, and delayed rectifier K⁢ (KV) channels using the patch-clamp technique in single rabbit middle cerebral arterial smooth muscle cells. PGF2α significantly hyperpolarized membrane potentials and increased outward whole-cell K⁢ currents. PGF2α increased open-state probability of KCa channels without the change of the open and...
1187.

Effects of p-Chlorophenylalanine on the Synthesis of Pancreatic Amylase in Rats

HyeokYilKwon, WonSikEum, HyunWooJang, YunLyulLee, HyoungJinPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.2 7 129-135 (7 pages)

HyeokYilKwon, WonSikEum, HyunWooJang, YunLyulLee, HyoungJinPark 저
...
- 3,000원
Previously, we have reported that p-chlorophenylalanine (PCPA), a serotonin depletor, profoundly increased pancreatic fluid and bicarbonate secretion but remarkably inhibited pancreatic amylase secretion in anesthetized rats. The present study was performed to verify the detailed effects of PCPA on pancreatic amylase synthesis that is directly related to amylase exocrine secretion. PCPA significantly decreased pancreatic RNA and protein contents as well as the amylase activity. However,...
1188.

Differential Effects of Local Anesthetics on Rate of Rotational Mobility between Hydrocarbon Interior and Surface Region of Model Membrane Outer Monolayer

In-KyoChung, Seong-KweonCha, Yong-ZaChung, Bong-SunKim, Chang-HwaChoi, Goon-JaeCho6, Hye-OckJang7, IlYun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.1 6 41-46 (6 pages)

In-KyoChung, Seong-KweonCha, Yong-ZaChung, Bong-SunKim, Chang-HwaChoi, Goon-JaeCho6, Hye-OckJang7, IlYun 저
...
- 3,000원
Using fluorescence polarization of 12-(9-anthroyloxy)stearic acid (12-AS) and 2-(9-anthroyloxy)stearic acid (2-AS), we evaluated the differential effects of local anesthetics on differential rotational rate between the surface (in carbon number 2 and its surroundings including the head group) and the hydrocarbon interior (in carbon number 12 and its surroundings) of the outer monolayer of the total lipid fraction liposome extracted from synaptosomal plasma membrane vesicles. The anisotropy (r)...
1189.

Responses of Dorsal Horn Neurons to Peripheral Chemical Stimulation in the Spinal Cord of Anesthetized Cats

SungJunJung, JooMinPark, JoonHoLee, JiHyeLee, Su-YongEun, SangJeongKim, Won-IlLim, SunHeeCho, JunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.1 3 15-24 (10 pages)

SungJunJung, JooMinPark, JoonHoLee, JiHyeLee, Su-YongEun, SangJeongKim, Won-IlLim, SunHeeCho, JunKim 저
...
- 3,000원
Although nociceptive informations are thought to be processed via different neural mechanisms depending on the types of stimuli, sufficient data have not been accumulated yet. We performed a series of experiments to elucidate the possible neural mechanisms as to chemical stimuli such as formalin, capsaicin and ATP. Single unit activity of wide dynamic range (WDR) neurons and high threshold cells were recorded extracellularly from the lumbosacral enlargement of cat spinal cord before and after...
1190.

Effects of Calcium Channel Blockers on Porcine Cardiac and Coronary Arterial Function in Ischemia-Reperfusion

YungHongBaik, HyunKook, SunHeePark, SeongJooJeong, DongYoonLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.6 7 587-595 (9 pages)

YungHongBaik, HyunKook, SunHeePark, SeongJooJeong, DongYoonLim 저
...
- 3,000원
This study was designed to investigate effects of calcium antagonists on endothelial and neuronal dysfunction of right coronary artery (RCA) induced by ischemia- reperfusion in anesthetized, open-chest pigs. After reperfusion, pigs were sacrificed and the RCA was rapidly dissected for in vitro experiments. Experimental groups were divided into 4 groups: control (C-RCA), ischemia-reperfusion only (I-RCA), verapamil infusion (VI-RCA) and nifedipine infusion (NI-RCA) group, respectively. The...

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