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361.

A Simple and Accurate Method for Determining Antioxidative Activity

JinWooBaeMooHongLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 4 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.5 5 275-278 (4 pages)

JinWooBaeMooHongLee 저
...
- 1,500원
time-consuming and cumbersome. They are also indirect processes that use biological material such as brain or liver microsome. This study therefore proposed a new method. Redoxpotential was determined using galvanic cell with or without the addition of various antioxidants or herbal extracts in zinc sulfate solution. The result was compared with the results from the TBA method and the peroxide value from sodium thiosulfate titration. All methods showed significant and dose-dependent enhancement...
362.

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
...
- 4,100원
We have studied mutant forms of Kir2.1 in which an aspartate residue (D172), important for gating by intracellular polyamines, is replaced by one of three basic residues (Arg, Lys or His). Such channels are highly selective for K+, but show inward rectification that is a shallow function of voltage compared with that found in wild type. This inward rectification occurs with a reduced affinity for spermine and persists in the absence of polyamines. Though the unitary current-voltage relation...
363.

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
Reactive oxygen species (ROS) have been suggested to be contributory factors in complications of diabetes mellitus. In the present study, we investigated the generation of superoxide, the lipid peroxide level measured as thiobarbituric acid reactive substances, the vasorelaxation of isolated thoracic aorta and the iNOS expression in kidney of streptozotocin induced diabetic rats. Sprague Dawley rats were divided into four groups: control, ascorbate (400 mg/kg rat weight daily in drinking water),...
364.

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...
365.

Role of Calmodulin in the Generation of Reactive Oxygen Species and Apoptosis Induced by Tamoxifen in HepG2 Human Hepatoma Cells

YongSooLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2002, Vol.6 No.4 3 187-192 (6 pages)

YongSooLee 저
...
- 3,000원
Tamoxifen, an antiestrogen, has previously been shown to induce apoptosis in HepG2 human hepatoblastoma cells through activation of the pathways independent of estrogen receptors, i.e., intracellular Ca2⁢ increase and generation of reactive oxygen species (ROS). However, the mechanism of tamoxifen to link increased intracellular Ca2⁢ to ROS generation is currently unknown. Thus, in this study we investigated the possible involvement of calmodulin, a Ca2⁢ activated protein, and...
366.

Phytoestrogen-Induced Phosphorylation of MAP Kinase in Osteoblasts is Mediated by Membrane Estrogen Receptor

YounHeePark, HwanKiPark, HyoJinLee, SunMuPark, SangWonChoi, WonJungLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2002, Vol.6 No.3 7 165-170 (6 pages)

YounHeePark, HwanKiPark, HyoJinLee, SunMuPark, SangWonChoi, WonJungLee 저
...
- 3,000원
possible involvement of estrogen receptor in the activation process of MAP kinase, Western blot analysis was performed in the presence and absence of the estrogen receptor antagonists, ICI 182,780 and tamoxifen. These antagonists blocked MAP kinase phosphorylation induced not only by E2, but also by the phytoestrogens. To the best our knowledge, this study is the first to demonstrate that phytoestrogens such as flavonoid and lignan extracted from safflower seeds produce a rapid activation of MAP...
367.

The Protective Effect of Melatonin Administration against Adriamycin-induced Cardiotoxicity in Rats

JinHan, ChungheeKim, NariKim, JuheePark, YoungchurlYang, EuiyongKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.4 6 333-342 (10 pages)

JinHan, ChungheeKim, NariKim, JuheePark, YoungchurlYang, EuiyongKim 저
...
- 3,000원
Adriamycin is a commonly used chemotherapeutic agent for cancer, including acute leukemia, lymphoma, and a number of solid human tumors. However, recent studies have recognized severe cardiotoxicity after an acute dose, which are likely the result of generation of free radicals and lipid peroxidation. Therefore, the clinical uses of adriamycin have been limited. Melatonin, the pineal gland hormone known for its ability to modulate circardian rhythm, has recently been studied in its several...
368.

Electrical Stimulation Can Facilitate Vestibular Compensation Following Unilateral Labyrinthectomy in Rats

ByungRimPark, JinOkKim, MinSunKim, MoonYoungLee, JaeHyoKim, Yuan-ZheJin, MyungAeChoi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.2 2 123-131 (9 pages)

ByungRimPark, JinOkKim, MinSunKim, MoonYoungLee, JaeHyoKim, Yuan-ZheJin, MyungAeChoi 저
...
- 3,000원
To investigate the effects of electrical stimulation on vestibular compensation, which is the recovery of vestibular symptoms following unilateral labyrinthectomy (UL), intermittent electrical stimulation was applied to the injured vestibular portion in Sprague-Dawley rats. Vestibuloocular and vestibulospinal reflexes, electrical activity and expression of c-Fos protein in medial vestibular nuclei (MVN) were measured with time following UL. Spontaneous nystagmus occurred with frequency of...
369.

DAMGO, a μ-Opioid Agonist and Cholecystokinin-Octapeptide Have Dual Modulatory Effects on Capsaicin-Activated Current in Rat Dorsal Root Ganglion Neurons

Su-YongEun, JimokKim, JihyeLee, SungJunJung, JooMinPark, YunKyungPark, DongkwanKim, SangJeongKim, JiyeonKwak, JunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.1 10 71-78 (8 pages)

Su-YongEun, JimokKim, JihyeLee, SungJunJung, JooMinPark, YunKyungPark, DongkwanKim, SangJeongKim, JiyeonKwak, JunKim 저
...
- 3,000원
Capsaicin, a pungent ingredient of hot pepper, elicits an intense burning pain when applied cutaneously and intradermally. Activation of capsaicin-gated channel in C-type dorsal root ganglion (DRG) neurons produces nonselective cationic currents. Although electrophysiological and biochemical properties of capsaicin-activated current (ICAP) were studied, the regulatory mechanism and intracellular signaling pathway are still unclear. In the present study, we investigated the modulations of ICAP...
370.

Effect of Atrial Natriuretic Peptide on the Proliferation and Activity of Osteoblastic Cells

Jong-RyeulLee, Seon-YleKo, Jung-KeunKim, Se-WonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.4 3 283-289 (7 pages)

Jong-RyeulLee, Seon-YleKo, Jung-KeunKim, Se-WonKim 저
...
- 3,000원
Natriuretic peptides comprise a family of three structurally related peptides; atrial natriuretic peptide (ANP), brain natriuretic peptide (BNP), and C-type natriuretic peptide (CNP). The present study was performed to investigate the effect of ANP on the proliferation and activity of ROS17/2.8 and HOS cells which are well-characterized osteoblastic cell lines. ANP dose-dependently decreased the number of ROS17/2.8 and HOS cells after 48-hour treatment. ANP generally increased the alkaline...

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