자료유형
발행기관
- 대한생리학회-대한약리학회(50)
- 대한전기학회(27)
- 대한생리학회(20)
- 대한약리학회(11)
- 한국탄소학회(8)
- 한국식물병리학회(7)
- 대한수의학회(6)
- 한국전기전자재료학회(4)
- 대한신경정신의학회(3)
- 대한전자공학회(2)
- 전력전자학회(2)
- 물리치료재활과학회(1)
- 한국기초간호학회(1)
- 한국수소및신에너지학회(1)
- 한국자동차공학회(1)
- 한국정밀공학회(1)
간행물
- THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY(50)
- 대한생리학회지(20)
- 대한약리학잡지(11)
- 전기학회논문지= THE TRANSACTIONS OF THE KOREAN INSTITUTE OF ELECTRICAL ENGINEERS(9)
- CARBON LETTERS(8)
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY(7)
- JOURNAL OF VETERINARY SCIENCE(5)
- THE PLANT PATHOLOGY JOURNAL (5)
- TRANSACTIONS ON ELECTRICAL AND ELECTRONIC MATERIALS(4)
- 전기학회논문지. THE TRANSACTIONS OF THE KOREAN INSTITUTE OF ELECTRICAL ENGINEERS. C/ C, 전기물성-응용부문(4)
- 신경정신의학(3)
- JOURNAL OF POWER ELECTRONICS : JPE(2)
- 식물병연구(2)
- 전기학회논문지. THE TRANSACTIONS OF THE KOREAN INSTITUTE OF ELECTRICAL ENGINEERS. A / A, 전력기술부문(2)
- 전기학회논문지. THE TRANSACTIONS OF THE KOREAN INSTITUTE OF ELECTRICAL ENGINEERS. D / D, 시스템 및 제어부문(2)
- INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY(1)
- JOURNAL OF INTERNATIONAL COUNCIL ON ELECTRICAL ENGINEERING(1)
- JOURNAL OF KOREAN BIOLOGICAL NURSING SCIENCE(1)
- JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE(1)
- KIEE INTERNATIONAL TRANSACTIONS ON ELECTRICAL MACHINERY AND ENERGY CONVERSION SYSTEMS(1)
- PHYSICAL THERAPY REHABILITATION SCIENCE(1)
- 대한수의학회 학술대회발표집(1)
- 전기학회지= THE PROCESSING OF THE INSTITUTE OF ELECTRICAL ENGINEERS(1)
- 전자공학회논문지. JOURNAL OF THE KOREAN INSTITUTE OF TELEMATICS AND ELECTRONICS. D(1)
- 한국수소 및 신에너지학회 논문집(1)
- 한국정밀공학회지(1)
전체 선택해제
총 145건 검색
본문검색 결과만 보기
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Effects of Prostaglandin E2 on the Spontaneous Contractions and Electrical Activities of the Antral Circular Muscle in Guinea-pig Stomach
JongYoonKim, SungJoonKim, TongMookKang, SangJinLee, JaeYeoulJun, InsukSo, KiWhanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.3 11 361-368 (8 pages)
on the contractile and electrical activities of antral smooth muscles in guinea-pig stomach, using an intracellular recording technique. To elucidate the underlying mechanism for its effect on contractility, ionic currents were also measured using a whole-cell patch clamp method. The basal tone by PGE2 was variable, whereas the magnitude of phasic contractions was reduced (19.0⁑2.1%, n=19). The resting membrane potentials were hyperpolarized (4.4⁑0.5 mV, n=10), and plateau... -
Spontaneous Electrical Activity in Cerebellar Purkinje Neurons of Postnatal Rats
SangChaeNam 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 12 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.4 2 355-366 (12 pages)
of firing, repetitive and burst firings. Two thirds of dissociated Purkinje cells displayed repetitive firing and the rest of them did burst firing under same recording condition. Repetitive firing activities were maintained even after further isolation using either physical or pharmacological techniques. Neither high magnessium solution nor excitatory synaptic blockers, AP-5 and DNQX, block the spontaneous activity. These results demonstrate that spontaneous electrical activity of isolated... -
Contractile and Electrical Responses of Guinea-pig Gastric Smooth Muscle to Bradykinin
Kim, Chul-Soo, Jun, Jae-Yeoul, Kim, Sung-Joon, So, In-Suk, Kim, Ki-Whan 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1995, 제 29권 제 2호 5 233-242 (10 pages)
been shown to exhibit an array of biological activities including relaxation/contraction of various smooth muscles. In order to investigate the effects of bradykinin on the contractility and the electrical activity of antral circular muscle of guinea-pig stomach, the isometric contraction and membrane potential were recorded. Also, using standard patch clamp technique, the Ca2+-activated K currents were recorded to observe the change in cytosolic Ca2+ concentration. 0.4 μM bradykinin induced a... -
Effects of Lemakalim, a Potassium Channel Opener, on the Contractility and Electrical Activity of the Antral Circular Muscle in Guinea-Pig Stomach
Kim, Sung-Joon, Jun, Jae-Yeoul, Choi, Youn-Baik, Kim, Ki-Whan, Kim, Woo-Gyeum 대한생리학회 대한생리학회지 14 Pages
대한생리학회 대한생리학회지 1994, 제 28권 제 1호 4 37-50 (14 pages)
Synthetic potassium channel openers (KCOs) are agents capable of opening K-channels in excitable cells. These agents are known to have their maximal potency in the smooth muscle tissue, especially in the vascular smooth muscle. Much attention has been focused on the type of K-channel that is responsible for mediating the effects of KCOs. As the KCO-induced changes are antagonized by glibenclamide, an KATP (ATP-sensitive K-channel) blocker in the pancreatic β-cell, KATP was suggested to be the... -
Speckle Defect by Dark Leakage Current in Nitride Stringer at the Edge of Shallow Trench Isolation for CMOS Image Sensors
Jeong. Woo-Yang, Yi. Keun-Man 한국전기전자재료학회 Transactions on electrical and electronic materials 4 Pages
한국전기전자재료학회 Transactions on electrical and electronic materials 2009, Vol.10 No.6 189-192 (4 pages)
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Alternative Optimization Techniques for Shallow Trench Isolation and Replacement Gate Technology Chemical Mechanical Planarization
Stefanova. Y., Cilek. F., Endres. R., Schwalke. U. 한국전기전자재료학회 Transactions on electrical and electronic materials 4 Pages
한국전기전자재료학회 Transactions on electrical and electronic materials 2007, Vol.8 No.1 1-4 (4 pages)
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Reproducible Chemical Mechanical Polishing Characteristics of Shallow Trench Isolation Structure using High Selectivity Slurry
Jeong. So-Young, Seo. Yong-Jin, Kim. Sang-Yong 한국전기전자재료학회 Transactions on electrical and electronic materials 5 Pages
한국전기전자재료학회 Transactions on electrical and electronic materials 2002, Vol.3 No.4 5-9 (5 pages)
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A Study on Characterization and Modeling of Shallow Trench Isolation in Oxide Chemical Mechanical Polishing
Kim. Sang-Yong, Chung. Hun-Sang 한국전기전자재료학회 Transactions on electrical and electronic materials 4 Pages
한국전기전자재료학회 Transactions on electrical and electronic materials 2001, Vol.2 No.3 24-27 (4 pages)
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Data Retention Time and Electrical Characteristics of Cell Transistor According to STI Materials in 90 nm DRAM
Shin. S.H., Lee. S.H., Kim. Y.S., Heo. J.H., Bae. D.I., Hong. S.H., Park. S.H., Lee. J.W., Lee. J.G., Oh. J.H., Kim. M.S., Cho. C.H., Chung. 대한전자공학회 Journal of semiconductor technology and science 7 Pages
대한전자공학회 Journal of semiconductor technology and science 2003, Vol.3 No.2 69-75 (7 pages)
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집적회로에서의 isolation
김충기 대한전기학회 전기학회지= The Processing of the Institute of Electrical Engineers 3 Pages
대한전기학회 전기학회지= The Processing of the Institute of Electrical Engineers 1975, Vol.24 No.6 32-34 (3 pages)
동시에 제작한 후 이들 소자를 상호 연결하여 하나의 회로를 구성한다. 이때 소자간의 불필요한 상호작용을 제거하기 위하여 각각의 소자는 Isolate되어 있어야 한다. 집적회로가 아닌 일반회로에서는 각각의 소자를 따로 제작하여 회로기판에서 연결하므로 소자간의 Isolation은 기판과 공기에 의해 이루어 진다. 그러나 집적회로에서는 각 소자가 수 10.mu.정도의 간격을 두고 동일한 Chip상에 있으므로 각 소자간의 Isolation을 위하여 특별한 기술을 사용하여야 한다. 본 논문에서는 집적회로에서 사용되는 몇가지 Isolation방법을... -
Adaptive Compensation Method for the Temperature Dependence of RF Transformer Isolation
Aoyama. Takanobu, Shibata. Yoshiki, Kanie. Tomohiko, Noro. Yuichi, Takeo. Takashi 대한전기학회 Journal of international council on electrical engineering 7 Pages
대한전기학회 Journal of international council on electrical engineering 2012, Vol.2 No.4 358-364 (7 pages)
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Performance Comparison of GPS Fault Detection and Isolation via Pseudorange Prediction Model based Test Statistics
Yoo. Jang-Sik, Ahn. Jong-Sun, Lee. Young-Jae, Sung. Sang-Kyung 대한전기학회 Journal of electrical engineering & technology 10 Pages
대한전기학회 Journal of electrical engineering & technology 2012, Vol.7 No.5 797-806 (10 pages)
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Analysis, Design, and Implementation of a Single-Phase Power-Factor Corrected AC-DC Zeta Converter with High Frequency Isolation
Singh. Bhim, Agrawal. Mahima, Dwivedi. Sanjeet 대한전기학회 Journal of electrical engineering & technology 11 Pages
대한전기학회 Journal of electrical engineering & technology 2008, Vol.3 No.2 243-253 (11 pages)
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The effects of therapeutic ultrasound stimulation on the inflammation cytokine in rat articular chondrocytes
Eun-Jung Kim, Su-jin Hwang, Gye-Yeop Kim 물리치료재활과학회 Physical Therapy Rehabilitation Science 6 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2013, 제 2권 제 1호 4 21-26 (6 pages)
Objective: The aim of this study was to investigate the effect of therapeutic ultrasound (US) of cell viability and inflammatory cytokine in rat articular chondrocyte cultures stimulated with lipopolysaccharide (LPS). Design: One group pretest-posttest design. Methods: Cultured chondrocytes were treated with US and/or LPS and assessed for viability, Tumor necrosis factor (TNF)-α and Interleukin (IL)-1 production. Results: Oxidative stress was induced in rat chondrocytes with LPS. The cell... -
Production of transgenic pigs using a pGFAP-CreERT2/EGFP LoxP inducible system for central nervous system disease models
Seon-Ung Hwang, Kiyoung Eun, Junchul David Yoon, Hyunggee Kim, Sang-Hwan Hyun 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 13 434-445 (12 pages)
Transgenic (TG) pigs are important in biomedical research and are used in disease modeling, pharmaceutical toxicity testing, and regenerative medicine. In this study, we constructed two vector systems by using the promoter of the pig glial fibrillary acidic protein (pGFAP) gene, which is an astrocyte cell marker. We established donor TG fibroblasts with pGFAP-CreERT2/LCMV-EGFPLoxP and evaluated the effect of the transgenes on TG-somatic cell nuclear transfer (SCNT) embryo development. Cleavage... -
Rapamycin treatment during in vitro maturation of oocytes improves embryonic development after parthenogenesis and somatic cell nuclear transfer in pigs
Joohyeong Lee, Jong-Im Park, Jung Im Yun, Yongjin Lee, Hwanyul Yong, Seung Tae Lee, Choon-Keun Park, Sang-Hwan Hyun, Geun-Shik L 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 3호 16 373-380 (8 pages)
This study was conducted to investigate the effects of rapamycin treatment during in vitro maturation (IVM) on oocyte maturation and embryonic development after parthenogenetic activation (PA) and somatic cell nuclear transfer (SCNT) in pigs. Morphologically good (MGCOCs) and poor oocytes (MPCOCs) were untreated or treated with 1 nM rapamycin during 0–22 h, 22–42 h, or 0–42 h of IVM. Rapamycin had no significant effects on nuclear maturation and blastocyst formation... -
Feasibility of utilizing the patellar ligament angle for assessing cranial cruciate ligament rupture in dogs
Jung-ha Lee, Soon-wuk Jeong 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 4호 8 563-568 (6 pages)
The patellar ligament angle (PLA) was assessed in 105 normal stifle joints of 79 dogs and 33 stifle joints of 26 dogs with a ruptured cranial cruciate ligament (CrCL). The PLA of stifles with complete CrCL rupture was significantly lower than that of normal stifles, particularly at a flexion angle of 60∼80o in both plain and stress views. If the PLA was ＜90.55o on the stress view with a 60∼80o flexion angle, the dog was diagnosed with a complete rupture of the CrCL with a sensitivity of 83.9%... -
Transplantation of canine umbilical cord blood-derived mesenchymal stem cells in experimentally induced spinal cord injured dogs
Ji-Hey Lim, Ye-Eun Byeon, Hak-Hyun Ryu, Yun-Hyeok Jeong, Young-Won Lee, Wan Hee Kim, Kyung-Sun Kang, Oh-Kyeong Kweon 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 3호 12 275-282 (8 pages)
This study was to determine the effects of allogenic umbilical cord blood (UCB)-derived mesenchymal stem cells (MSCs) and recombinant methionyl human granulocyte colony-stimulating factor (rmhGCSF) on a canine spinal cord injury model after balloon compression at the first lumbar vertebra. Twenty-five adult mongrel dogs were assigned to five groups according to treatment after a spinal cord injury: no treatment (CN); saline treatment (CP); rmhGCSF treatment (G); UCB-MSCs treatment (UCB-MSC);... -
Electroacupuncture ameliorates experimental colitis induced by acetic acid in rat
Jeoung-Woo Kang, Tae-Wan Kim, Jun-Ho La, Tae-Sik Sung, Hyun-Ju Kim, Young-Bae Kwon, Jeum-Yong Kim, Il-Suk Yang 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 3호 2 189-195 (7 pages)
The effect of electroacupuncture (EA) on experimental colitis was investigated in Sprague-Dawley rats. Colitis was induced by intracolonic instillation of 4% acetic acid. EA (2 Hz, 0.05 ms, 2 V for 20 min) was applied to bilateral Hoku (LI-4) and Zusanli (ST-36) on 12 hrs and 36 hrs after induction of colitis. EA-treatment significantly reduced the macroscopic damage and the myeloperoxidase activity of colonic samples at 3 days post-induction of colitis. Colitic colon showed a decreased in vitro... -
The advantage of topographic prominence-adopted filter for the detection of short-latency spikes of retinal ganglion cells
JungryulAhn, Myoung-HwanChoi, KwangsooKim, SolomonS.Senok, Dong-ilDanCho, Kyo-inKoo, YongsookGoo 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.5 10 555-563 (9 pages)
Electrical stimulation through retinal prosthesis elicits both short and long-latency retinal ganglion cell (RGC) spikes. Because the short-latency RGC spike is usually obscured by electrical stimulus artifact, it is very important to isolate spike from stimulus artifact. Previously, we showed that topographic prominence (TP) discriminator based algorithm is valid and useful for artifact subtraction. In this study, we compared the performance of forward backward (FB) filter only vs. TP-adopted... -
Spatial reproducibility of complex fractionated atrial electrogram depending on the direction and configuration of bipolar electrodes: an in-silico modeling study
Jun-SeopSong, Young-SeonLee, MinkiHwang, Jung-KeeLee, ChangyongLi, BoyoungJoung, Moon-HyoungLee, EunBoShim, Hui-NamPak 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.5 8 507-514 (8 pages)
Although 3D-complex fractionated atrial electrogram (CFAE) mapping is useful in radiofrequency catheter ablation for persistent atrial fibrillation (AF), the directions and configuration of the bipolar electrodes may affect the electrogram. This study aimed to compare the spatial reproducibility of CFAE by changing the catheter orientations and electrode distance in an in -silico left atrium (LA). We conducted this study by importing the heart CT image of a patient with AF into a 3D-homogeneous... -
Dexmedetomidine inhibits vasoconstriction via activation of endothelial nitric oxide synthase
LidanNong, JueMa, GuangyanZhang, ChunyuDeng, SongsongMao, HaifengLi, JianxiuCui 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.5 1 441-447 (7 pages)
Despite the complex vascular effects of dexmedetomidine (DEX), its actions on human pulmonary resistance arteries remain unknown. The present study tested the hypothesis that DEX inhibits vascular tension in human pulmonary arteries through the endothelial nitric oxide synthase (eNOS) mediated production of nitric oxide (NO). Pulmonary artery segments were obtained from 62 patients who underwent lung resection. The direct effects of DEX on human pulmonary artery tension and changes in vascular... -
Effects of hydrogen peroxide on voltage-dependent K+ currents in human cardiac fibroblasts through protein kinase pathways
HyemiBae, DongheeLee, Young-WonKim, JeongyoonChoi, HongJunLee, Sang-WookKim, TaehoKim, Yun-HeeNoh, Jae-HongKo, HyoweonBang, InjaLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.3 11 315-324 (10 pages)
Human cardiac fibroblasts (HCFs) have various voltage-dependent K+ channels (VDKCs) that can induce apoptosis. Hydrogen peroxide (H2O2) modulates VDKCs and induces oxidative stress, which is the main contributor to cardiac injury and cardiac remodeling. We investigated whether H2O2 could modulate VDKCs in HCFs and induce cell injury through this process. In whole-cell mode patch-clamp recordings, application of H2O2 stimulated Ca2+-activated K+ (KCa) currents but not delayed rectifier K+ or... -
Comparison of electrophysiological effects of calcium channel blockers on cardiac repolarization
Hyang-AeLee, Sung-AeHyun, Sung-GurlPark, Ki-SukKim, SungJoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.1 15 119-127 (9 pages)
Dihydropyridine (DHP) calcium channel blockers (CCBs) have been widely used to treat of several cardiovascular diseases. An excessive shortening of action potential duration (APD) due to the reduction of Ca2+ channel current (ICa) might increase the risk of arrhythmia. In this study we investigated the electrophysiologicaleffects of nicardipine (NIC), isradipine (ISR), and amlodipine (AML) on the cardiac APD in rabbit Purkinje fibers, voltage-gated K+ channel currents (IKr, IKs) and... -
Transient Receptor Potential C4/5 Like Channel Is Involved in Stretch-Induced Spontaneous Uterine Contraction of Pregnant Rat
SeungsooChung, Young-HwanKim, Ji-HyunJoeng, Duck-SunAhn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.6 9 503-508 (6 pages)
Spontaneous myometrial contraction (SMC) in pregnant uterus is greatly related with gestational age and growing in frequency and amplitude toward the end of gestation to initiate labor. But, an accurate mechanism has not been elucidated. In human and rat uterus, all TRPCs except TRPC2 are expressed in pregnant myometrium and among them, TRPC4 are predominant throughout gestation, suggesting a possible role in regulation of SMC. Therefore, we investigated whether the TRP channel may be involved... -
Potassium Currents in Isolated Deiters' Cells of Guinea Pig
JongWooChung, EuiCholNam, WonTaeKim, JaeBoumYoum, ChaeHunLeem 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.6 10 537-546 (10 pages)
Deiters' cells are the supporting cells in organ of Corti and are suggested to play an important role in biochemical and mechanical modulation of outer hair cells. We successfully isolated functionally different K+ currents from Deiters’ cells of guinea pig using whole cell patch clamp technique. With high K+ pipette solution, depolarizing step pulses activated strongly outward rectifying currents which were dose-dependently blocked by clofilium, a class III anti-arrhythmic K+ channel blocker.... -
Resveratrol Inhibits GABAC Ց Receptor-Mediated Ion Currents Expressed in Xenopus Oocytes
Byung-HwanLee, Sun-HyeChoi, Sung-HeeHwang, Hyeon-JoongKim, Joon-HeeLee, Seung-YeolNah 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.2 10 175-180 (6 pages)
Resveratrol is a phytoalexin found in grapes, red wine, and berries. Resveratrol has been known to have many beneficial health effects, such as anti-cancer, neuroprotective, anti-inflammatory, and life-prolonging effects. However, relatively little is known about the effects of resveratrol on the regulation of ligand-gated ion channels. We have previously reported that resveratrol regulates subsets of homomeric ligand-gated ion channels such as those of 5-HT3A receptors. The Ճ-aminobutyric... -
Influence of Fimasartan (a Novel AT1 Receptor Blocker) on Catecholamine Release in the Adrenal Medulla of Spontaneously Hypertensive Rats
Hyo-JeongLim, Seog-KiLee, Dong-YoonLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.1 14 99-109 (11 pages)
The aim of this study was to determine whether fimasartan, a newly developed AT1 receptor blocker, can affect the CA release in the isolated perfused model of the adrenal medulla of spontaneously hypertensive rats (SHRs). Fimasartan (5∼50 ՌM) perfused into an adrenal vein for 90 min produced dose- and time-dependently inhibited the CA secretory responses evoked by ACh (5.32 mM), high K＋ (56 mM, a direct membrane depolarizer), DMPP (100 ՌM) and McN-A-343 (100 ՌM). Fimasartan... -
Sustained K＋ Outward Currents are Sensitive to Intracellular Heteropodatoxin2 in CA1 Neurons of Organotypic Cultured Hippocampi of Rats
Sung-CherlJung, Su-YongEun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.5 9 343-348 (6 pages)
Blocking or regulating K+ channels is important for investigating neuronal functions in mammalian brains, because voltage-dependent K+ channels (Kv channels) play roles to regulate membrane excitabilities for synaptic and somatic processings in neurons. Although a number of toxins and chemicals are useful to change gating properties of Kv channels, specific effects of each toxin on a particular Kv subunit have not been sufficiently demonstrated in neurons yet. In this study, we tested... -
The Effect of Methanol on the Structural Parameters of Neuronal Membrane Lipid Bilayers
Hyung-JinJoo, Shin-HoAhn, Hang-RaeLee, Sung-WooJung, Chang-WonChoi, Min-SeokKim, Moon-KyoungBae, In-KyoChung, Soo-KyoungBae, Hye-OckJang, 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.4 5 255-264 (10 pages)
The structures of the intact synaptosomal plasma membrane vesicles (SPMVs) isolated from bovine cerebral cortexs, and the outer and the inner monolayer separately, were evaluated with 1,6-diphenyl- 1,3,5-hexatriene (DPH) and 1,3-di(1-pyrenyl)propane (Py-3-Py) as fluorescent reporters and trinitrophenyl groups as quenching agents. The methanol increased bulk rotational and lateral mobilities of SPMVs lipid bilayers. The methanol increased the rotational and lateral mobilities of the outer... -
Roles of Non-cholinergic Intrapancreatic Nerves, Serotonergic Nerves, on Pancreatic Exocrine Secretion in the Isolated Perfused Rat Pancreas
ZhengerJiang, Bich-NaShin, In-HyeKim, HyunJooLee, Jun-HwanYong, Min-JaeLee, Moo-HoWon, Yun-LyulLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.5 9 307-312 (6 pages)
The pancreatic duct was also cannulated with Tygon microbore tubing. With the addition of serotonin, pancreatic volume flow and amylase output were significantly inhibited electrical field stimulation (EFS). On the other hand, pancreatic volume flow and amylase output were significantly elevated in EFS with the addition of spiperone. EFS application, however, pancreatic volume flow and amylase output had no significant change in cholecystokinin (CCK) alone when serotonin was applied under a 5.6... -
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)
We carried out a series of experiment demonstrating the role of mitochondria in the cytosolic and mitochondrial Ca2＋ transients and compared the results with those from computer simulation. In rat ventricular myocytes, increasing the rate of stimulation (1∼3 Hz) made both the diastolic and systolic [Ca2＋] 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... -
Quercetin Inhibits α3β4 Nicotinic Acetylcholine Receptor-Mediated Ion Currents Expressed in Xenopus Oocytes
Byung-HwanLee, Sung-HeeHwang, Sun-HyeChoi, Tae-JoonShin, JiyeonKang, Sang-MokLee, Seung-YeolNah 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.1 3 17-22 (6 pages)
Quercetin mainly exists in the skin of colored fruits and vegetables as one of flavonoids. Recent studies show that quercetin, like other flavonoids, has diverse pharmacological actions. However, relatively little is known about quercetin effects in the regulations of ligand-gated ion channels. In the previous reports, we have shown that quercetin regulates subsets of homomeric ligand-gated ion channels such as glycine, 5-HT3A and Ձ7 nicotinic acetylcholine receptors. In the present study,... -
Gender-Related Differences in a Process of the Age-Dependent Alterations of the Elements in Monkey Sino-Atrial Node
HiroyasuSatoh, SetsukoTohno, TakeshiMinami, TakaoOishi, MotoharuHayashi, YoshiyukiTohno 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.5 1 249-256 (8 pages)
Gender differences in the trace elements of monkey sino-atrial (SA) node were investigated in a process of age-dependent alterations. Sixty hearts from Japanese and rhesus monkeys (30 male and 30 female) used were aged ranging from 1-day- to 30-year-old. The elements were analyzed using an inductively coupled plasma-atomic emission spectrometer (ICP-AES). Advancing age decreased all the trace elements. Ca, P, S and Mg significantly decreased. The correlation coefficients of Ca and P were... -
Modulation of Presynaptic GABA Release by Oxidative Stress in Mechanically-isolated Rat Cerebral Cortical Neurons
Eu-TeumHahm, Jung-WooSeo, JinyoungHur, Young-WukCho 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.3 2 127-132 (6 pages)
Reactive oxygen species (ROS), which include hydrogen peroxide (H2O2), the superoxide anion (O2−·), and the hydroxyl radical (OH·), are generated as by-products of oxidative metabolism in cells. The cerebral cortex has been found to be particularly vulnerable to production of ROS associated with conditions such as ischemia-reperfusion, Parkinson's disease, and aging. To investigate the effect of ROS on inhibitory GABAergic synaptic transmission, we examined the electrophysiological... -
The Inhibitory Effects of Hydrogen Sulfide on Pacemaker Activity of Interstitial Cells of Cajal from Mouse Small Intestine
ShankarPrasadParajuli, SeokChoi, JunLee, YoungDaeKim, ChanGukPark, ManYooKim, HyunIlKim, CheolHoYeum, JaeYeoulJun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.2 4 83-89 (7 pages)
In this study, we studied whether hydrogen sulfide (H2S) has an effect on the pacemaker activity of interstitial cells of Cajal (ICC), in the small intestine of mice. The actions of H2S on pacemaker activity were investigated using whole-cell patch-clamp technique, intracellular Ca2＋ analysis at 30oC and RT-PCR in cultured mouse intestinal ICC. Exogenously applied sodium hydrogen sulfide (NaHS), a donor of hydrogen sulfide, caused a slight tonic inward current on pacemaker activity in ICC at... -
Nitric Oxide Modulation of GABAergic Synaptic Transmission in Mechanically Isolated Rat Auditory Cortical Neurons
Jong-JuLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.6 9 461-467 (7 pages)
The auditory cortex (A1) encodes the acquired significance of sound for the perception and interpretation of sound. Nitric oxide (NO) is a gas molecule with free radical properties that functions as a transmitter molecule and can alter neural activity without direct synaptic connections. We used whole-cell recordings under voltage clamp to investigate the effect of NO on spontaneous GABAergic synaptic transmission in mechanically isolated rat auditory cortical neurons preserving functional... -
Electrophysiological Characterization of AMPA and NMDA Receptors in Rat Dorsal Striatum
SeungHyunJeun, HyeongSeokCho, KiJungKim, QingZhongLi, Ki-WugSung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.3 11 209-214 (6 pages)
The striatum receives glutamatergic afferents from the cortex and thalamus, and these synaptic transmissions are mediated byՁ-amino-3-hydroxy-5-methyl-4-isoxazolepropionate (AMPA) and N-methyl- D-aspartate (NMDA) receptors. The purpose of this study was to characterize glutamate receptors by analyzing NMDA/AMPA ratio and rectification of AMPA and NMDA excitatory postsynaptic currents (EPSCs) using a whole-cell voltage-clamp method in the dorsal striatum. Receptor antagonists were used to... -
Expression of Ca2+-activated K+ Channels and Their Role in Proliferation of Rat Cardiac Fibroblasts
SeyongChoi, WooseokLee, JihyunYun, JeongseokSeo, InjaLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.2 3 51-58 (8 pages)
to structural, biochemical, mechanical and electrical properties of the myocardium. Nonetheless, their cardiac functions, especially electrophysiological properties, have often been disregarded in studies. Ca2+-activated K+ (KCa) channels can control Ca2+ influx as well as a number of Ca2+-dependent physiological processes. We, therefore, attempted to identify and characterize KCa channels in rat Cardiac fibroblasts. First, we showed that the cells cultured from the rat ventricle were cardiac... -
c-fos mRNA Expression in the Vestibular System following Hypergravity Stimulation in Rats
GuangShiJin, JaeHyoLee, JaeHeeLee, MoonYoungLee, MinSunKim, YuanZheJin, JeongHoonSong, ByungRimPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2007, Vol.11 No.1 1 1-7 (7 pages)
Altered environmental gravity, including both hypo- and hypergravity, may result in space adaptation syndrome. To explore the characteristics of this adaptive plasticity, the expression of immediate early gene c-fos mRNA in the vestibular related tissues following an exposure to hypergravity stimulus was determined in rats. The animals were subjected to a force of 2 g (twice earth's gravity) for 1, 3, or 12 h, and were examined poststimulus at 0, 2, 6, 12, and 24 h. RT-PCR (reverse transcription... -
Effects of Phenylephrine on the Excitability of Medial Vestibular Nuclear Neurons in Rats
Han-SeongJeong, HaeRyongHuh, Myung-JooJang, Seol-HeeHong, SujeongJang, JinPark, Seung-HanLee, Jae-HaKim, Jong-SeongPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2006, Vol.10 No.3 3 131-136 (6 pages)
Coeruleo-vestibular pathway which connects locus coeruleus and vestibular nuclei is noradrenergic. This study was designed to elucidate the effects of phenylephrine on the spontaneous activity of acutely isolated medial vestibular nuclear neurons of rat by whole-cell patch-clamp technique. Sprague-Dawley rats, aged 14 to 16 days, were used. After enzymatic digestion, dissociated medial vestibular neurons were transferred to a recording chamber mounted on an inverted microscope, and spontaneous... -
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)...
