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전체 선택해제
총 180건 검색
본문검색 결과만 보기
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Illuminance Distribution and Photosynthetic Photon Flux Density Characteristics of LED Lighting with Periodic Lattice Arrangements
Jeon. Hee-Jae, Ju. Kang-Sig, Joo. Jai-Hwang, Kim. Hyun-Gyun 한국전기전자재료학회 Transactions on electrical and electronic materials 3 Pages
한국전기전자재료학회 Transactions on electrical and electronic materials 2012, Vol.13 No.1 16-18 (3 pages)
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Measurement of the fast Neutron Flux Density in the Bulk Shielding Experimental Tank of the TRIGA Mark-II Reactor Using Solid State Track Detector
Ro. Seung-Gy, Jun. Jae-Shik, Cho. Sae-Hyung 한국원자력학회 Journal of the Korean Nuclear Society 5 Pages
한국원자력학회 Journal of the Korean Nuclear Society 1973, Vol.5 No.4 334-338 (5 pages)
$^{232}$ Th 핵분열 물질과 조합된 고체비적검출체를 사용하여 250kw로 정상운전되는 TRIGA Mark-II 원자로의 대차폐수조내에서 열중성자주(thermalizing column)의 중심으로부터 수평방향의 속 중성자 선속밀도 분포를 추정하였다. 속 중성자 스펙트럼이 $^{235}$ U가 열 중성자에 의하여 핵분열이 일어날매 방출되는 중성자 스펙트럼과 같다는 가정을 한 다음, 선속밀도는 고쳬비적검출체로 얻어진 실험 결과로부터 계산되었다. 이와 같은 방법으로 속 중성자 설속밀도 분포의 측정 결과는 도표로서 제시된다. -
Enhanced Chlorella vulgaris Buitenzorg Growth by Photon Flux Density Alteration in Serial Photobioreactors
Wijanarko. Anondho, Dianursanti. Dianursanti, Sendjaya. Antonius Yudi, Hermansyah. Heri, Witarto. Arief Budi, Gozan. Misri, Sofyan. Bo 한국생물공학회 Biotechnology and bioprocess engineering 7 Pages
한국생물공학회 Biotechnology and bioprocess engineering 2008, Vol.13 No.4 476-482 (7 pages)
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Assistant Model For Considering Slot-Opening Effect on No-load Air-gap Flux Density Distribution in Interior-type Permanent Magnet Motor
방량, 김도진, 홍정표, Fang. Liang, Kim. Do-Jin, Hong. Jung-Pyo 대한전기학회 전기학회논문지= The Transactions of the Korean Institute of Electrical Engineers 7 Pages
대한전기학회 전기학회논문지= The Transactions of the Korean Institute of Electrical Engineers 2011, Vol.60 No.4 759-765 (7 pages)
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Availability of 2-Dimensional Vector Magnetic Property for High Flux Density Machines
Enokizono. Masato 대한전기학회 KIEE international transactions on electrical machinery and energy conversion systems 5 Pages
대한전기학회 KIEE international transactions on electrical machinery and energy conversion systems 2005, No.0 1-5 (5 pages)
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Improved Current Source Design to Measure Induced Magnetic Flux Density Distributions in MREIT
Oh. Tong-In, Cho. Young, Hwang. Yeon-Kyung, Oh. Suk-Hoon, Woo. Eung-Je, Lee. Soo-Yeol 대한의용생체공학회 Journal of biomedical engineering research : the official journal of the Korean Society of Medical & 8 Pages
대한의용생체공학회 Journal of biomedical engineering research : the official journal of the Korean Society of Medical & 2006, Vol.27 No.1 30-37 (8 pages)
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Activation of autophagy flux by Ophiopogonin B downregulates cellular FLICE–like inhibitory protein and enhances TRAIL-induced apoptosis
Mohammad Rasheduzzaman, Jeong Min Hong, Uddin Nazim, Hong hua Yin, You Jin Lee, Jae Won Seol, Sang Youel Park 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 238 340-341 (2 pages)
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An angiotensin II type 1 receptor blocker attenuates TRAIL resistance in human lung cancer via inhibition of autophagy flux
Mohammad Rasheduzzaman, Jeong Min Hong, Uddin Nazim, Hong hua Yin, You Jin Lee, Jae Won Seol, Sang Youel Park 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 235 338-339 (2 pages)
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Upregulation of death receptor 5 mediated by telmisartan enhances TRAIL-mediated apoptosis via inhibition of autophagy flux in lung cancer
Mohammad Rasheduzzaman, Jeong Min Hong, Uddin Nazim, Hong hua Yin, You Jin Lee, Jae Won Seol, Sang Youel Park 대한수의학회 대한수의학회 학술대회발표집 1 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 233 337-337 (1 pages)
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Mitochondrial dysfunction and cytochrome ctranslocation induced by resveratrol are dependent on NF-κB activity but not autophagy flux and facilitate TRAIL sensitivity in lung cancer
Rasheduzzaman Mohammad, Sang-Youel Park, Jeong-Min Hong, Hong-hua Yin, Nazim Uddin MD, You-Jin Lee 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 50 226-227 (2 pages)
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Growth Characteristics of Sowthistle (Ixeris dentata Nakai) under Different Levels of Light Intensity, Electrical Conductivity of Nutrient Solution, and Planting Density in a Plant Factory
Cho. Young Yeol, Choi. Ki Young, Lee. Yong-Beom, Son. Jung Eek 한국원예학회 Horticulture, Environment, and Biotechnology 5 Pages
한국원예학회 Horticulture, Environment, and Biotechnology 2012, Vol.53 No.5 368-372 (5 pages)
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Design of PM Excited Transverse Flux Linear Motor of Inner Mover Type
Kang. Do-Hyun, Ahn. Jong-Bo, Kim. Ji-Won, Chang. Jung-Hwan, Jung. Soo-Jin 대한전기학회 KIEE international transactions on electrical machinery and energy conversion systems 5 Pages
대한전기학회 KIEE international transactions on electrical machinery and energy conversion systems 2005, No.0 137-141 (5 pages)
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Flux Linkage Calculation for 3-D Finite Element Analysis
Im. Chang-Hwan, Jung. Hyun-Kyo, Kim. Hong-Kyu 대한전기학회 KIEE international transactions on electrical machinery and energy conversion systems 6 Pages
대한전기학회 KIEE international transactions on electrical machinery and energy conversion systems 2002, No.0 13-18 (6 pages)
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폐석분 및 바텀애시를 사용한 인공경량골재의 융제(Flux) 종류에 따른 밀도 및 흡수율 특성
한민철, 신재경, Han. Min-Cheol, Shin. Jae-Kyung 한국건설순환자원학회 한국건설순환자원학회논문집 7 Pages
한국건설순환자원학회 한국건설순환자원학회논문집 2012, Vol.7 No.3 49-55 (7 pages)
본 연구에서는 인공경량골재의 주요 물성인 밀도 및 흡수율의 성능 향상을 위하여 융제 종류 및 첨가율에 따른 밀도 및 흡수율 특성을 검토하였다. 실험결과, 화학제품의 융제 사용에 관한 특성으로, $Na_2CO_3$ 및 $CaSO_4$는 경우 낮은 소성온도에서 소성이 가능하나, 흡수율이 증가하였고, $CaCO_3$, NaOH, $Fe_2O_3$는 첨가율이 증가할수록 흡수율은 낮아졌으나, 절건밀도가 높아지는 것으로 나타나 융제로서 부적합하였다. $Na_2SO_4$의 사용한 경우에는 절건밀도 $1.35{sim}1.50g/cm^3$와 상대적으로 낮은 흡수율로 융제로서 가장... -
The use of laser Doppler blood flow to assess the effect of acute administration of vitamin D on micro vascular endothelial function in people with diabetes
Jerrold Petrofsky, Faris Alshammari, Iman Akef Khowailed, Riya Lodha, Pooja Deshpande, Praveen Rajaram, Mahendra Gaikwad, Vidhi Vadera 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2013, 제 2권 제 2호 1 63-69 (7 pages)
Objective: To assess the effect of vitamin D administration on the skin blood flow response to occlusion and heat. Design: Cross-sectional study. Methods: Twenty age matched subjects; 10 who had diabetes and 10 who were controls were administered 4,000 IU of vitamin D3 for 3 weeks at breakfast. The function of the endothelial cells was evaluated in 2 ways; first, the response to 4 minutes of vascular occlusion of the skin was measured with a laser Doppler flow meter. Second, the skin blood flow... -
The effect of coenzyme Q10 on endothelial function in a young population
Jerrold Petrofsky, M. Laymona, H. Lee, E. Hernandez, D. Dequine, L. Thorsen, R. Lovell, J. Andrade 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2012, 제 1권 제 1호 2 6-12 (7 pages)
Objective: Coenzyme (CoQ10) is an enzymatic co factor used in normal cellular metabolism. Recent evidence shows that in people with heart disease it can reverse endothelial cell damage in the blood vessels. It is also a potent antioxidant. Design: One group pretest-posttest design. Methods: In the present study, endothelial function was evaluated using the response to occlusion and heat before and 2 weeks after administration of CoQ10, 300 mg/day. Thirty Eight subjects, who are physical therapy... -
Screening study of herbal resources (Chokeberry, Citrus peel, Gac, Japanese alder, Gojiberry, Chinese mulberry) for benign prostatic hyperplasia in rats
Na Hyun Kim, Jeong Doo Heo, Kwang Hyun Hwang, Je Hein Kim, Eun Ju Jeong 대한수의학회 대한수의학회 학술대회발표집 1 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 237 340-340 (1 pages)
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Mitochondrial dysfunction and cytochrome c translocation induced by resveratrol facilitate TRAIL sensitivity in lung cancer
Mohammad Rasheduzzaman, Jeong Min Hong, Uddin Nazim, Hong hua Yin, You Jin Lee, Jae Won Seol, Sang Youel Park 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 236 339-340 (2 pages)
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Transforming growth factor-beta induced epithelial- mesenchymal transition abolished without TGF-beta condition: Cancer stem cell properties and cisplatin resistance in lungcancer cell lines
Seong Kwan Kim, Jin A Park, Sang Hyun Cho, Weijia Zheing, Jeong Min Choi, Ho Chul Shin 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 232 336-337 (2 pages)
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P-coumaric acid, a constituent of ethyl acetate fraction from Sasa quelpaertensis Nakai leaves attenuates alcohol induced hepatic steatosis
Kalahe Hewage Iresha Nadeeka Madushani Herath, Jin-hee Cho, A-reum Kim, Tae Kil Eom, Ju-Sung Kim, Jae-Bum Kim, Yang Hoi Doh, Young-heun 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 48 225-226 (2 pages)
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Claudin-1, -2, -4, and -5: comparison of expression levels and distribution in equine tissues
Bonn Lee, Hee Young Kang, Dong Oh Lee, Changhwan Ahn, Eui-Bae Jeung 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 2 445-451 (7 pages)
Claudins, which are known as transmembrane proteins play an essential role in tight junctions (TJs) to form physical barriers and regulate paracellular transportation. To understand equine diseases, it is helpful to measure the tissue-specific expression of TJs in horses. Major equine diseases such as colic and West Nile cause damage to TJs. In this study, the expression level and distribution of claudin-1, -2, -4, and -5 in eight tissues were assessed by Western blotting and... -
Therapeutic effect of topical application of curcumin during treatment of radiation burns in a mini-pig model
Joongsun Kim, Sunhoo Park, Byung-Suk Jeon, Won-Seok Jang, Sun-Joo Lee, Yeonghoon Son, Kyung-Jin Rhim, Soong In Lee, Seung-Sook L 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 1 435-444 (10 pages)
the skin against radiation-induced epidermal damage and prevents morphological changes induced by irradiation skin, thereby maintaining the epidermal thickness and cell density of basal layers. In this study, the effects of topical curcumin treatment on radiation burns were evaluated in a mini-pig model. Histological and clinical changes were observed five weeks after radiation exposure to the back (Co gamma-radiation, 50 Gy). Curcumin was applied topically to irradiated skin (200 mg/cm) twice a... -
β-irradiation (Ho patch)-induced skin injury in mini-pigs: effects on NF-κB and COX-2 expression in the skin
Joong-Sun Kim, Kyung-Jin Rhim, Won-Seok Jang, Sun-Joo Lee, Yeonghoon Son, Seung-Sook Lee, Sunhoo Park, Sang Moo Lim 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 1호 1 1-9 (9 pages)
6 weeks after irradiation. Changes in basal cell density and skin depth corresponded to clinically relevant changes. Skin thickness began to decrease 1 week after irradiation, and the skin was thinnest 4 weeks after irradiation. Skin thickness increased transiently during recovery from irradiation-induced skin injury, which was evident 6∼8 weeks after irradiation. Epidermal expression of nuclear factor-kappa B (NF-κB) differed significantly between the untreated and irradiated areas. One week... -
Topology of Scavenger Receptor Class B Type I (SR-BI) on Brush Border Membrane
Chang-Hoon Han and Mun-Han Lee 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 4호 3 265-272 (8 pages)
Both hydropathy plot and in vitro translation results predict the topology of SR-BI; the receptor is an integral membrane protein of 509 amino acids, consisting of a short cytoplasmic N-terminus of 9 amino acids followed by a first transmembrane domain of 22 amino acids, the extracellular domain of 408 amino acids, the second transmembrane domain of 22 amino acids, and the cytoplasmic C-terminus of 47 amino acids. The immunoblot of rBBMV in the presence or absence of pAb589 peptide antigen (the... -
백출 및 발효백출의 장점막 투과성 개선 효과 및 항염증효과
한경선(Kyung Sun Han), 김기철(Ki Cheol Kim), 왕경화(Jing Hua Wang), 김호준(Ho Jun Kim) 한방비만학회 대한한방비만학회지 9 Pages
한방비만학회 대한한방비만학회지 2013, 제 13권 제 1호 4 24-32 (9 pages)
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Potentiation of decursinol angelate on pentobarbital-induced sleeping behaviors via the activation of GABAA-ergic systems in rodents
JaeHoonWoo, Tae-WooHa, Jae-SeonKang, JinTaeHong, Ki-WanOh 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.1 4 27-36 (10 pages)
Angelicae Gigantis Radix (AGR, Angelica gigas ) has been used for a long time as a traditional folk medicine in Korea and oriental countries. Decursinol angelate (DCA) is structurally isomeric decursin, one of the major components of AGR. This study was performed to confirm whether DCA augments pentobarbital-induced sleeping behaviors via the activation of GABAA-ergic systems in animals. Oral administration of DCA (10, 25 and 50 mg/kg) markedly suppressed spontaneous locomotor activity. DCA also... -
Preventive effects of imperatorin on perfluorohexanesulfonate-induced neuronal apoptosis via inhibition of intracellular calcium-mediated ERK pathway
EunkyungLee, So-YoungChoi, Jae-HoYang, YounJuLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.4 9 399-406 (8 pages)
Early life neuronal exposure to environmental toxicants has been suggested to be an important etiology of neurodegenerative disease development. Perfluorohexanesulfonate (PFHxS), one of the major perfluoroalkyl compounds, is widely distributed environmental contaminants. We have reported that PFHxS induces neuronal apoptosis via ERK-mediated pathway. Imperatorin is a furanocoumarin found in various edible plants and has a wide range of pharmacological effects including neuroprotection. In this... -
Activation of K+ channel by 1-EBIO rescues the head and neck squamous cell carcinoma cells from Ca2+ ionophore-induced cell death
MingZheYin, Seok-WooPark, , TaeWookKang, KyungSooKim, , , HaeYoungYoo6, JunhoLee, J.HunHah, , MyungHunSung, , SungJoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.1 4 25-33 (9 pages)
Ion channels in carcinoma and their roles in cell proliferation are drawing attention. Intracellular Ca2+ ([Ca2+]i)-dependent signaling affects the fate of cancer cells. Here we investigate the role of Ca2+-activated K+ channel (SK4) in head and neck squamous cell carcinoma cells (HNSCCs) of dif-ferent cell lines; SNU-1076, OSC-19 and HN5. Treatment with 1 μM ionomycin induced cell death in all the three cell lines. Whole-cell patch clamp study suggested common expressions of Ca2+-activated... -
Ca2+ is a Regulator of the WNK/OSR1/NKCC Pathway in a Human Salivary Gland Cell Line
SoonhongPark, SangKyunKu, HyeWonJi, Jong-HoonChoi, DongMinShin 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.3 9 249-255 (7 pages)
Wnk kinase maintains cell volume, regulating various transporters such as sodium-chloride cotransporter, potassium-chloride cotransporter, and sodium-potassium-chloride cotransporter 1 (NKCC1) through the phosphorylation of oxidative stress responsive kinase 1 (OSR1) and STE20/SPS1-related proline/alanine-rich kinase (SPAK). However, the activating mechanism of Wnk kinase in specific tissues and specific conditions is broadly unclear. In the present study, we used a human salivary gland (HSG)... -
Effects on G2/M Phase Cell Cycle Distribution and Aneuploidy Formation of Exposure to a 60 Hz Electromagnetic Field in Combination with Ionizing Radiation or Hydrogen Peroxide in L132 Nontumorigenic Human Lung Epithelial Cells
HeeJin, HyeEunYoon, Jae-SeonLee, Jae-KyungKim, SungHoMyung, Yun-SilLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.2 6 119-124 (6 pages)
The aim of the present study was to assess whether exposure to the combination of an extremely low frequency magnetic field (ELF-MF; 60 Hz, 1 mT or 2 mT) with a stress factor, such as ionizing radiation (IR) or H2O2, results in genomic instability in non-tumorigenic human lung epithelial L132 cells. To this end, the percentages of G2/M-arrested cells and aneuploid cells were examined. Exposure to 0.5 Gy IR or 0.05 mM H2O2 for 9 h resulted in the highest levels of aneuploidy; however, no cells... -
Berberine Prevents Intestinal Mucosal Barrier Damage During Early Phase of Sepsis in Rat through the Toll-Like Receptors Signaling Pathway
Guo-xunLi, Xi-moWang, TaoJiang, Jian-fengGong, Ling-yingNiu, NingLi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.1 1 1-8 (8 pages)
Our previous study has shown berberine prevents damage to the intestinal mucosal barrier during early phase of sepsis in rat through mechanisms independent of the NOD-like receptors signaling pathway. In this study, we explored the regulatory effects of berberine on Toll-like receptors during the intestinal mucosal damaging process in rats. Male Sprague-Dawlay (SD) rats were treated with berberine for 5 d before undergoing cecal ligation and puncture (CLP) to induce polymicrobial sepsis. The... -
Distinct Cellular Calcium Metabolism in Radiation-sensitive RKO Human Colorectal Cancer Cells
YunTaiKim, SooShinJo, YoungJunPark, MyungZaLee, ChangKookSuh 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.6 10 509-516 (8 pages)
Radiation therapy for variety of human solid tumors utilizes mechanism of cell death after DNA damage caused by radiation. In response to DNA damage, cytochrome c was released from mitochondria by activation of pro-apoptotic Bcl-2 family proteins, and then elicits massive Ca2＋ release from the ER that lead to cell death. It was also suggested that irradiation may cause the deregulation of Ca2＋ homeostasis and trigger programmed cell death and regulate death specific enzymes. Thus, in this... -
Advanced Glycation End Products and Diabetic Complications
VarunParkashSingh, AnjanaBali, NirmalSingh, AmteshwarSinghJaggi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 14 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.1 1 1-14 (14 pages)
During long standing hyperglycaemic state in diabetes mellitus, glucose forms covalent adducts with the plasma proteins through a non-enzymatic process known as glycation. Protein glycation and formation of advanced glycation end products (AGEs) play an important role in the pathogenesis of diabetic complications like retinopathy, nephropathy, neuropathy, cardiomyopathy along with some other diseases such as rheumatoid arthritis, osteoporosis and aging. Glycation of proteins interferes with... -
Contradictory Effects of Superoxide and Hydrogen Peroxide on KCa3.1 in Human Endothelial Cells
ShinkyuChoi, Hye-YoungNa, JiAeeKim, Sung-EunCho, SukHyoSuh 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.3 1 181-187 (7 pages)
Reactive oxygen species (ROS) are generated in various cells, including vascular smooth muscle and endothelial cells, and regulate ion channel functions. KCa3.1 plays an important role in endothelial functions. However, the effects of superoxide and hydrogen peroxide radicals on the expression of this ion channel in the endothelium remain unclear. In this study, we examined the effects of ROS donors on KCa3.1 expression and the K＋ current in primary cultured human umbilical vein endothelial... -
A Computational Model of Cytosolic and Mitochondrial [Ca2＋] in Paced Rat Ventricular Myocytes
JaeBoumYoum, SeongWooChoi, ChangHanJang, HyoungKyuKim, ChaeHunLeem, NariKim, JinHan 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 23 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.4 5 217-239 (23 pages)
bigger in mitochondria as well as in cytosol. As L-type Ca2＋ channel has key influence on the amplitude of Ca2＋-induced Ca2＋ release, the relation between stimulus frequency and the amplitude of Ca2＋ transients was examined under the low density (1/10 of control) of L-type Ca2＋ channel in model simulation, where the relation was reversed. In experiment, block of Ca2＋ uniporter on mitochondrial inner membrane significantly reduced the amplitude of mitochondrial Ca2＋ transients, while it... -
Octyl Gallate Inhibits ATP-induced Intracellular Calcium Increase in PC12 Cells by Inhibiting Multiple Pathways
YujieGuo, YiJaeHong, Hyun-JongJang, Myung-JunKim, Duck-JooRhie, Yang-HyeokJo, SangJuneHahn, ShinHeeYoon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.1 4 21-28 (8 pages)
Phenolic compounds affect intracellular free Ca2＋ concentration ([Ca2＋]i) signaling. The study examined whether the simple phenolic compound octyl gallate affects ATP-induced Ca2＋ signaling in PC12 cells using fura-2-based digital Ca2＋ imaging and whole-cell patch clamping. Treatment with ATP (100</SUP>ՌM) for 90 s induced increases in [Ca2＋]i in PC12 cells. Pretreatment with octyl gallate (100 nM to 20ՌM) for 10 min inhibited the ATP-induced [Ca2＋]i response in a... -
Effects of Losartan on Catecholamine Release in the Isolated Rat Adrenal Gland
Hae-JeongNoh, Yoon-SungKang, Dong-YoonLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.4 10 327-335 (9 pages)
The aim of this study was to determine whether losartan, an angiotensin II (Ang II) type 1 (AT1) receptor could influence the CA release from the isolated perfused model of the rat adrenal medulla. Losartan (5∼50</SUB>ՌM) perfused into an adrenal vein for 90 min produced dose- and time-dependent inhibition of the CA secretory responses evoked by ACh (5.32 mM), high K＋ (56 mM, a direct membrane depolarizer), DMPP (100ՌM) and McN-A-343 (100ՌM). Losartan failed to affect... -
Effects of Pharmacological Modulators of Ca2+-activated K+ Channels on Proliferation of Human Dermal Fibroblast
JihyunYun, TaehoKim, SoonchulMyung, HyoweonBang, InjaLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2006, Vol.10 No.2 6 95-100 (6 pages)
Employing electrophysiological and cell proliferation assay techniques, we studied the effects of Ca2- activated K channel modulators on the proliferation of human dermal fibroblasts, which is important in wound healing. Macroscopic voltage-dependent outward K currents were found at about 40 mV stepped from a holding potential of 70 mV. The amplitude of K current was increased by NS1619, a specific large-conductance Ca2-activated K (BK)... -
TASK-1 Channel Promotes Hydrogen Peroxide Induced Apoptosis
JihyunYun, SeungtaeKim, HyoweonBang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.1 9 63-67 (5 pages)
Hydrogen peroxide (H2O2) causes oxidative stress and is considered as an inducer of cell death in various tissues. Two-pore domain K (K2p) channels may mediate K efflux during apoptotic volume decreases (AVD) in zygotes and in mouse embryos. In the present study, we sought to elucidate linkage between K2p channels and cell death by H2O2. Thus K2p channels (TASK-1, TASK-3, TREK-1, TREK-2) were stably transfected in HEK-293 cells, and cytotoxicity assay was preformed using cell... -
Role of Stretch-Activated Channels in Stretch-Induced Changes of Electrical Activity
JaeBoumYoum, Su-HyunJo, ChaeHunLeem, Won-KyungHo, YungE. 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.1 6 33-41 (9 pages)
We developed a cardiac cell model to explain the phenomenon of mechano-electric feedback (MEF), based on the experimental data with rat atrial myocytes. It incorporated the activity of ion channels, pumps, exchangers, and changes of intracellular ion concentration. Changes in membrane excitability and Ca2 transients could then be calculated. In the model, the major ion channels responsible for the stretch-induced changes in electrical activity were the stretch-activated channels (SACs).... -
Enhancement of ATP-induced Currents by Phospholipase D1 Overexpressed in PC12 Cells
JinBongPark, YoungRaeKim, ByeongHwaJeon, Seung-KielPark, Sae-OckOh, YoungGeunKim, SangDoLee, KwangJinKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.4 6 223-229 (7 pages)
Using phospholipase D1 (PLD1)-overexpressing PC12 (PLD1-PC12) cells, the regulatory roles of PLD1 on ATP-induced currents were investigated. In control and PLD1-PC12 cells, ATP increased PLD activity in an external Ca2 dependent manner. PLD activity stimulated by ATP was substantially larger in PLD1-PC12 cells than in control cells. In whole-cell voltage-clamp mode, ATP induced transient inward and outward currents. The outward currents inhibited by TEA or charybdotoxin were significantly...
