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1181.

Dipeptides Inhibit Melanin Synthesis in Mel-Ab Cells through Down-Regulation of Tyrosinase

Hyun-eLee, Eun-HyunKim, Hye-RyungChoi, UyDongSohn, Hye-YoungYun, KwangJinBaek, NyounSooKwon, Kyoung-ChanPark, Dong-SeokKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.4 9 287-291 (5 pages)

Hyun-eLee, Eun-HyunKim, Hye-RyungChoi, UyDongSohn, Hye-YoungYun, KwangJinBaek, NyounSooKwon, Kyoung-ChanPark, Dong-SeokKim 저
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- 1,500원
study also described here, the effects of these dipeptides on melanogenesis-related signal transduction were quantified. Specifically, PS and VS induced ERK phosphorylation, though they had no effect on phosphorylation of the cAMP response element binding protein (CREB). These data suggest that PS and VS inhibit melanogenesis through ERK phosphorylation and subsequent down-regulation of MITF and tyrosinase. Properties of these dipeptides are compatible with application as skin-whitening agents.
1182.

Gap Junction Contributions to the Goldfish Electroretinogram at the Photopic Illumination Level

Doh-YeonKim, Chang-SubJung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.3 11 219-224 (6 pages)

Doh-YeonKim, Chang-SubJung 저
...
- 3,000원
a challenge in visual neuroscience. To understand more about the origin of the b-wave, we studied the contributions of gap junctions to the ERG b-wave. Many types of retinal neurons are connected to similar and different neighboring neurons through gap junctions. The photopic (cone-dominated) ERG, stimulated by a small light beam, was recorded from goldfish (Carassius auratus) using a corneal electrode. Data were obtained before and after intravitreal injection of agents into the eye under a...
1183.

CD40 Co-stimulation Inhibits Sustained BCR-induced Ca2＋ Signaling in Response to Long-term Antigenic Stimulation of Immature B Cells

YenHoangNguyen, Ki-YoungLee, TaeJinKim, SungJoonKim, TongMookKang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.3 9 179-187 (9 pages)

YenHoangNguyen, Ki-YoungLee, TaeJinKim, SungJoonKim, TongMookKang 저
...
- 3,000원
Regulation of B cell receptor (BCR)-induced Ca2＋ signaling by CD40 co-stimulation was compared in long-term BCR-stimulated immature (WEHI-231) and mature (Bal-17) B cells. In response to long-term pre-stimulation of immature WEHI-231 cells to Ձ-IgM antibody (0.5∼48 hr), the initial transient decrease in BCR-induced [Ca2＋]i was followed by spontaneous recovery to control level within 24 hr. The recovery of Ca2＋ signaling in WEHI-231 cells was not due to restoration of internalized...
1184.

Olibanum Extract Inhibits Vascular Smooth Muscle Cell Migration and Proliferation in Response to Platelet-Derived Growth Factor

Ok-ByungChoi, Joo-HoonPark, YeJinLee, Chang-KwonLee, Kyung-JongWon, JunghwanKim, HwanMyungLee, BokyungKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.2 6 107-114 (8 pages)

Ok-ByungChoi, Joo-HoonPark, YeJinLee, Chang-KwonLee, Kyung-JongWon, JunghwanKim, HwanMyungLee, BokyungKim 저
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- 3,000원
Olibanum (Boswellia serrata) has been shown to have anti-inflammatory, anti-arthritic and anti- cancer effects. This study determined the role of a water extract of olibanum in platelet-derived growth factor (PDGF)-stimulated proliferation and migration of rat aortic smooth muscle cells (RASMCs). PDGF-BB induced the migration and proliferation of RASMCs that were inhibited by olibanum extract in a dose-dependent manner. The PDGF-BB-increased phosphorylation of p38 mitogen-activated protein...
1185.

Diversity of Ion Channels in Human Bone Marrow Mesenchymal Stem Cells from Amyotrophic Lateral Sclerosis Patients

KyoungSunPark, MiRanChoi, KyoungHwaJung, SeungHyunKim, HyunYoungKim, KyungSukKim, Eun-JongCha, YangmiKim, YoungGyuChai 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.6 8 337-342 (6 pages)

KyoungSunPark, MiRanChoi, KyoungHwaJung, SeungHyunKim, HyunYoungKim, KyungSukKim, Eun-JongCha, YangmiKim, YoungGyuChai 저
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- 3,000원
Human bone marrow mesenchymal stem cells (hBM-MSCs) represent a potentially valuable cell type for clinical therapeutic applications. The present study was designed to evaluate the effect of long-term culturing (up to 10th passages) of hBM-MSCs from eight individual amyotrophic lateral sclerosis (ALS) patients, focusing on functional ion channels. All hBM-MSCs contain several MSCs markers with no significant differences, whereas the distribution of functional ion channels was shown to be...
1186.

Expression of Endothelin-1 and Its Receptors in Cisplatin-Induced Acute Renal Failure in Mice

SeokwooLee, DowhanAhn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.4 4 149-154 (6 pages)

SeokwooLee, DowhanAhn 저
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- 3,000원
Endothelin-1 (ET-1) is unequivocally elevated in the kidney with ischemic acute renal failure (ARF), whereas ET receptors (ETAR and ETBR) are variably expressed. Although renal functional and structural changes are similar between ischemic and nephrotoxic ARF, there are few reports on the alteration in the ET system in nephrotoxic ARF. This study was, therefore, undertaken to investigate changes in renal expression of ET-1 and its receptors in nephrotoxic ARF induced by cisplatin. Mice were...
1187.

Mechanical Hyperalgesia Induced by Blocking Calcium-activated Potassium Channels on Capsaicin-sensitive Afferent Fiber

KyungHeeLee, HongKeeShin 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2007, Vol.11 No.5 8 215-219 (5 pages)

KyungHeeLee, HongKeeShin 저
...
- 1,500원
Small and large conductance Ca2+-activated K+ (SKCa and BKCa) channels are implicated in the modulation of neuronal excitability. We investigated how changes in peripheral KCa channel activity affect mechanical sensitivity as well as the afferent fiber type responsible for KCa channel-induced mechanical sensitivity. Blockade of SKCa and BKCa channels induced a sustained decrease of mechanical threshold which was significantly attenuated by topical application of capsaicin onto afferent fiber and...
1188.

Protein Kinase C-mediated Neuroprotective Action of (－)-epigallocatechin-3-gallate against Aβ1-42-induced Apoptotic Cell Death in SH-SY5Y Neuroblastoma Cells

SujeongJang, KyoungWanYou, Song-HeeKim, SungJunPark, Han-SeongJeong, Jong-SeongPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2007, Vol.11 No.5 1 163-169 (7 pages)

SujeongJang, KyoungWanYou, Song-HeeKim, SungJunPark, Han-SeongJeong, Jong-SeongPark 저
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- 3,000원
The neurotoxicity of amyloid β (Aβ) is associated with an increased production of reactive oxygen species and apoptosis, and it has been implicated in the development of Alzheimer's disease. While (-)-epigallocatechin-3-gallate (EGCG) suppresses Aβ-induced apoptosis, the mechanisms underlying this process have yet to be completely clarified. This study was designed to investigate whether EGCG plays a neuroprotective role by activating cell survival system such as protein kinase C (PKC),...
1189.

PKA-Mediated Regulation of B/K Gene Transcription in PC12 Cells

Mi-HyunChoi, Ho-ShikKim, Sung-HoChoi, Mi-YoungKim, Yoon-SeongJang, Young-MinJang, Jeong-HwaLee, Seong-WhanJeong, In-KyungKim, Oh-JooKwon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.6 4 333-340 (8 pages)

Mi-HyunChoi, Ho-ShikKim, Sung-HoChoi, Mi-YoungKim, Yoon-SeongJang, Young-MinJang, Jeong-HwaLee, Seong-WhanJeong, In-KyungKim, Oh-JooKwon 저
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- 3,000원
examined the specific signaling pathway that regulates the transcription of B/K in PC12 cells. When the cells were treated with forskolin (50μM), B/K mRNA and protein levels were time-dependently decreased, reaching the lowest level at 3 or 4 hr, and thereafter returning to the control level. Chemicals such as dibutyryl-cAMP, cell- permeable cyclic AMP (cAMP) analogue and CGS21680, adenosine receptor A2A agonist, also repressed the B/K transcription. However, 1,9-dideoxyforskolin did not show...
1190.

Protein Kinase C Activates ATP-sensitive Potassium Channels in Rabbit Ventricular Myocytes

NariKim, JaeBoumYoum, HyunJoo, HyungkyuKim, EuiyongKim, JinHan 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.4 1 187-194 (8 pages)

NariKim, JaeBoumYoum, HyunJoo, HyungkyuKim, EuiyongKim, JinHan 저
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- 3,000원
Several signal transduction pathways have been implicated in ischemic preconditioning induced by the activation of ATP-sensitive K⁢ (KATP) channels. We examined whether protein kinase C (PKC) modulated the activity of KATP channels by recording KATP channel currents in rabbit ventricular myocytes using patch-clamp technique and found that phorbol 12,13-didecanoate (PDD) enhanced pinacidil-induced KATP channel activity in the cell-attached configuration; and this effect was prevented by...

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