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551.

Role of Ca2+ in the Stimulation of Glucose Transport by Insulin in Adipocytes

Sung-HoeChang, YeonJinJang, Kun-KooPark, GhiSuKim, HeeJeongRyu, ChunSikPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.3 14 357-364 (8 pages)

Sung-HoeChang, YeonJinJang, Kun-KooPark, GhiSuKim, HeeJeongRyu, ChunSikPark 저
...
- 3,000원
We investigated the role of Ca2⁢ and protein kinases/phosphatases in the stimulatory effect of insulin on glucose transport. In isolated rat adipocytes, the simple omission of CaCl2 from the incubation medium significantly reduced, but did not abolish, insulin-stimulated 2-deoxy glucose (2-DG) uptake. Pre-loading adipocytes with intracellular Ca2⁢ chelator, 5,5'-dimethyl bis (o-aminophenoxy)ethane-N,N,N'N' tetraacetic acetoxymethyl ester (5,5'-dimethyl BAPTA/AM) completely blocked...
552.

Thyroid Hormone-Induced Alterations of Ryanodine and Dihydropyridine Receptor Protein Expression in Rat Heart

HaeWonKim, MiyoungPark, EunHeeLee, HyoungJinCho, HeeRanLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.3 11 329-337 (9 pages)

HaeWonKim, MiyoungPark, EunHeeLee, HyoungJinCho, HeeRanLee 저
...
- 3,000원
Thyroid hormone-induced cellular dysfunctions may be associated with changes in the intracellular Ca2⁢ concentration. The ryanodine receptor, a Ca2⁢ release channel of the SR, is responsible for the rapid release of Ca2⁢ that activates cardiac muscle contraction. In the excitation-contaction coupling cascade, activation of ryanodine receptors is initiated by the activity of sarcolemmal Ca2⁢ channels, the dihydropyridine receptors. In hyperthyroidism left ventricular...
553.

Opening of ATP-sensitive K+ Channel by Pinacidil Requires Serine/ Threonine Phosphorylation in Rat Ventricular Myocytes

Yong-GeunKwakSoo-WanChae 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.3 7 293-303 (11 pages)

Yong-GeunKwakSoo-WanChae 저
...
- 4,000원
The influences of specific protein phosphatase and protein kinase inhibitors on the ATP-sensitive K⁢ (KATP) channel-opening effect of pinacidil were investigated in single rat ventricular myocytes using patch clamp technique. In cell-attached patches, pinacidil (100 μM) induced the opening of the KATP channel, which was blocked by the pretreatment with H-7 (100 μM) whereas enhanced by the pretreatment with genistein (30 μM) or tyrphostin A23 (10 μM). In inside-out patches, pinacidil...
554.

Magnesium Suppresses the Responses of Dorsal Horn Cell to Noxious Stimuli in the Rat

HongKeeShin, JinHyukKim, KeeSoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.3 1 237-244 (8 pages)

HongKeeShin, JinHyukKim, KeeSoonKim 저
...
- 3,000원
Magnesium ion is known to selectively block the N-methyl-D-aspartate (NMDA)-induced responses and to have anticonvulsive action, neuroprotective effect and antinociceptive action in the behavioral test. In this study, we investigated the effect of Mg2⁢ on the responses of dorsal horn neurons to cutaneous thermal stimulation and graded electrical stimulation of afferent nerves as well as to excitatory amino acids and also elucidated whether the actions of Ca2⁢ and Mg2⁢ are...
555.

Comparative Effects on Secretion of LH, FSH, Prolactin, and Testosterone by Chronic and Direct Hypothalamic Administration of Nonylphenol to Adult Male Rats

Kun-SukPark, Won-CheoulJang, Mee-KyungKim, Hyung-GunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 12 215-222 (8 pages)

Kun-SukPark, Won-CheoulJang, Mee-KyungKim, Hyung-GunKim 저
...
- 3,000원
identify the site of its action, the reproductive hormone secretion in serum 48 hours after microinfusion of NP within hypothalamic preoptic area (POA). In the chronic exposure, the luteinizing hormone (LH), follicle stimulating hormone (FSH), and testosterone in serum were decreased but prolactin (PRL) concentrations were increased. The LH, FSH, and testosterone in serum were decreased through the direct infusion of NP into POA, while there was no difference in mean serum prolactin between NP...
556.

Minimal Amount of Insulin Can Reverse Diabetic Heart Function Sarcoplasmic Reticulum Ca2+ Transport and Phospholamban Protein Expression

HaeWonKim, YongSunCho, YunSongLee, EunHeeLee, HeeRanLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 7 175-182 (8 pages)

HaeWonKim, YongSunCho, YunSongLee, EunHeeLee, HeeRanLee 저
...
- 3,000원
In the present study, the underlying mechanisms for diabetic functional derangement and insulin effect on diabetic cardiomyopathy were investigated with respect to sarcoplasmic reticulum (SR) Ca2⁢-ATPase and phospholamban at the transcriptional and translational levels. The maximal Ca2⁢ uptake and the affinity of Ca2⁢-ATPase for Ca2⁢ were decreased in streptozotocin-induced diabetic rat cardiac SR, however, even minimal amount of insulin could reverse both parameters....
557.

Molecular Analysis of AQP2 Promoter. I. cAMP-dependent Regulation of Mouse AQP2 Gene

MiYoungPark, YongHwanLee, HaeRahnBae, RyangHwaLee, SangHoLee, JinSupJung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 5 157-164 (8 pages)

MiYoungPark, YongHwanLee, HaeRahnBae, RyangHwaLee, SangHoLee, JinSupJung 저
...
- 3,000원
To determine molecular mechanisms of Aquaporin-CD (AQP2) gene regulation, the promoter region of the AQP2 gene was examined by transiently transfecting a promoter-luciferase reporter fusion gene into mouse renal collecting duct cell lines such as mIMCD-3, mIMCD-K2, and M-1 cells, and NIH3T3 mouse embryo fibroblast cells. PCR-Southern analysis reveals that mIMCD-3 and mIMCD-K2 cells express AQP2, but M-1 and NIH3T3 cells do not, and that the treatment with cpt-cAMP (400μM) or forskolin/...
558.

Effects of Dexamethasone and DHEA on the Changes of Glutamate and Polyamine Uptake in Rat Astrocytes by Lipopolysaccharide and Antimycin A

Sang-HyunChoi, BumLee, Kyung-HoShin, Bon-HongMin, Yeon-SookChun, Boe-GwunChun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 3 137-146 (10 pages)

Sang-HyunChoi, BumLee, Kyung-HoShin, Bon-HongMin, Yeon-SookChun, Boe-GwunChun 저
...
- 3,000원
Interactions among dexamethasone, dehydroepiandrosterone (DHEA), lipopolysaccharide (LPS), and antimycin A on the glutamate uptake and the polyamine uptake were investigated in primary cultures of rat cerebral cortical astrocytes to examine the effects of dexamethasone and DHEA on the regulatory role of astrocytes in conditions of increased extracellular concentrations of glutamate or polyamines. 1. [3H]Glutamate uptake: LPS and antimycin A decreased Vmax, but both drugs had little effect on...
559.

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)

HaiDunYan, JimokKim, SungJunJung, JunKim 저
...
- 4,600원
Amyotrophic lateral sclerosis (ALS) is a degenerative neuromuscular disease of unknown etiology in which the upper and lower motor neurons are progressively destroyed. Recent evidences support the role of autoimmune mechanisms in the pathogenesis of ALS. This study investigated the effects of sera from ALS patients on neuromuscular transmission in phrenic nerve-hemidiaphragm preparations and on calcium currents of single isolated dorsal root ganglion (DRG) cells in mice. Mice were injected with...
560.

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)

HongKeeShin, SokHanKang, InDukChung, KeeSoonKim 저
...
- 4,000원
EGTA suppressed the response of WDR cell to NMDA. SP had triple effects on the spontaneous activity as well as NMDA-induced responses of WDR cells: excitation, inhibition and no change. EGTA augmented, but Ca2⁢, Mn2⁢ and verapamil suppressed the increase in the NMDA-induced responses and spontaneous activities of WDR cells following iontophoretical application of SP. These results suggest that in the spinal cord, sensory informations mediated by single or combined action of EAA and...

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