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Inhibitory effects of resveratrol on hepatitis B virus X protein-induced hepatocellular carcinoma
Seungmo Park, Jihae Lim, Jong Rhan Kim, Seongbeom Cho 대한수의학회 Journal of Veterinary Science 11 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 4호 1 419-429 (11 pages)
virus (HBV)-induced HCC were investigated by using HBV X-protein-overexpressing Huh7 (Huh7-HBx) human hepatoma cells. MTT assay showed that resveratrol decreased cell viability. Fluorescence-activated cell-sorter analysis showed that resveratrol induced G1 cell cycle arrest without increasing the sub-G1 phase cell population. Therefore, we evaluated its effect on regulation of cyclin D1, which... B virus (HBV)-induced HCC were investigated by using HBV X-protein-overexpressing Huh7 (Huh7-HBx) human hepatoma cells. MTT assay showed that resveratrol decreased cell viability. Fluorescence-activated cell-sorter analysis showed that resveratrol induced G1 cell cycle arrest without increasing the sub-G1 phase cell population. Therefore, we evaluated its effect on regulation of cyclin D1, which is critically involved in G1/S transition. Resveratrol lowered cyclin D1 transcription. Western blot... -
Low Intensity Resistance Exercise Training with Blood Flow Restriction: Insight into Cardiovascular Function, and Skeletal Muscle Hypertrophy in Humans
Song-YoungPark, YiSubKwak, rewHarveson, JoshuaCWeavil, KookE.Seo 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.3 1 191-196 (6 pages)
I, induced by BFR, which increased retrograde flow in working muscle [71]. Although endothelial function in the vasculature is important for understanding the mech- anisms of alterations in function following BFR+LIRE, there are limited studies and inconsistent results investigating this phenomenon. Therefore, further studies are warranted to understand how BFR+LIRE affects vascular function.... is required. Recently, blood flow restriction (BFR) with low intensity resistance exercise (LIRE) has been used for such special populations to improve their function and exercise capacity. Although BFR+LIRE has been intensively studied for a decade, a comprehensive review detailing the effects of BFR+LIRE on both skeletal muscle and vascular function is not available. Therefore, the purpose of this review is to discuss previous studies documenting the effects of BFR+LIRE on hormonal and... -
Ca2＋-induced Ca2＋ Release from Internal Stores in INS-1 Rat Insulinoma Cells
KyungJinChoi, DongSuCho, JuYoungKim, ByungJoonKim, KyungMooLee, ShinHyeKim, DongKwanKim, SeHoonKim, HyungSeoPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.1 8 53-60 (8 pages)
a RyR blocker. KCl-induced elevations in [Ca 2＋]i were reduced by pretreatment with ruthenium red, as well as by depletion of internal Ca 2＋ stores using cyclopiazonic acid (CPA) or caffeine. Caffeine-induced Ca 2＋ internal stores were depleted by carbamylcholine (CCh) or CPA. In permeabilized INS-1 cells, Ca 2＋ release from internal stores was activated by caffeine, Ca 2＋, or ryanodine.... RyR blocker. KCl-induced elevations in [Ca2＋]i were reduced by pretreatment with ruthenium red, as well as by depletion of internal Ca2＋ stores using cyclopiazonic acid (CPA) or caffeine. Caffeine-induced Ca2＋ mobilization ceased after the internal stores were depleted by carbamylcholine (CCh) or CPA. In permeabilized INS-1 cells, Ca2＋ release from internal stores was activated by caffeine, Ca2＋, or ryanodine. Furthermore, ruthenium red completely blocked the CICR response in permeabilized... -
Hyperosmotic Stimulus Down-regulates 1α, 25-dihydroxyvitamin D3- induced Osteoclastogenesis by Suppressing the RANKL Expression in a Co-culture System
YuShunTian, HyunJooJeong, Sang-DoLee, SeokHeuiKong, Seung-HoOhk, Yun-JungYoo, Jeong-TaegSeo, DongMinShin, Byung-WhaSohn, Syng-IllLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.3 9 169-176 (8 pages)
1 α,25(OH)2D 3- induced osteoclastogenesis, suppressing Runx2 and RANKL expression due to the TonEBP over- expression in osteoblastic cells. Key Words: Hyperosmotic stimulus, TonEBP, Osteoblast, RANKL, Runx2 INTRODUCTION Bone is metabolically active tissue that is capable of adapting its structure to the mechanical load and repairing structural damage through the process of remodeling. Bone... ligand (RANKL) and Runx2 expressions were down-regulated in response to 1Ձ,25(OH)2D3. Knockdown of Runx2 inhibited 1Ձ,25(OH)2D3-induced RANKL expression in osteoblastic cells. Finally, the hyperosmotic stimulus induced the overexpression of TonEBP in osteoblastic cells. These results suggest that hyperosmolarity leads to the down-regulation of 1Ձ,25(OH)2D3- induced osteoclastogenesis, suppressing Runx2 and RANKL expression due to the TonEBP overexpression in osteoblastic cells. -
Mechanical Stretch-Induced Protection against Myocardial Ischemia- Reperfusion Injury Involves AMP-Activated Protein Kinase
JiaHao, Hun-SikKim, WoongChoi, TaeSunHa, Hee-YulAhn, Chan-HyungKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.1 1 1-9 (9 pages)
in the ACS rats (Fig. 4A) indicates that volume over- load adequately increased diastolic wall stress and stretch- ed left ventricular end diastolic length. On the other hand, there is a possibility that brief volume overload might cause changes in myocardial blood flow and induce transient ischemic stress in the heart. In the present study, myocardial lactate content at baseline and after 30... stretch-induced cardioprotection (SIC). Intraventricular balloon and aorto-caval shunt (ACS) were used to stretch rat hearts ex vivo and in vivo, respectively. Stretch preconditioning reduced myocardial infarct induced by ischemia-reperfusion (I/R) and improved post-ischemic functional recovery. Phosphorylation of AMPK and its downstream substrate, acetyl-CoA carboxylase (ACC) were increased by mechanical stretch and ACC phosphorylation was completely blocked by the AMPK inhibitor, Compound C.... -
Role of Endogenous Nitric Oxide in the Vasorelaxation Induced by High Calcium Environment in vitro
Lee, Jong-Eun, Lee, Byung-Kook, Ahn, Hyun-Taek, Ahn, Byoung-Hee, Kang, Jung-Chaee 대한생리학회 대한생리학회지 6 Pages
대한생리학회 대한생리학회지 1992, 제 26권 제 2호 3 123-128 (6 pages)
Physiol (/992) 26(2), 123-128 Role of Endogenous Nitric Oxide in the Vasorelaxation Induced by High Calcium Environment in vitro Jongeun Lee, Byung Kook Lee, Hyun Taek Ahn Byoung Hee Ahn* and Jung Chaee Kang** Departments of Physiology, Cardiovascular Surgery* and Internal Medicine Chonnam University Medical School, Kwangju 501-190 =ABSTRACT= The present study was undertaken to examine if... The present study was undertaken to examine if endogenous nitric oxide is partly responsible for the high calcium induced vasorelaxation in vitro. Isolated porcine coronary arterial rings were suspended in the tissue chamber and their changes in isometric tension were recorded. KCI little affected the vascular tension in the calcium free media, but subsequent addition of cumulative doses of CaCl3 from 1 to 40 mM caused a contraction followed by complete relaxation. The maximum tension was noted... -
Characterization and influence of shear flow on the surface resistivity and mixing condition on the dispersion quality of multi-walled carbon nanotube/polycarbonate nanocomposites
Young Sil Lee, Kwan Han Yoon 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.2 3 86-92 (7 pages)
distribution. Polymer, 54, 3071 (2013). http://dx.doi.org/10.1016/j. polymer.2013.04.012. [19] Abbasi S, Carreau PJ, Derdouri A. Flow induced orientation of multiwalled carbon nanotubes in polycarbonate nanocomposites: rheology, conductivity and mechanical properties. Polymer, 51, 922 (2010). http://dx.doi.org/10.1016/j.polymer.2009.12.041. [20] Eken AE, Tozzi EJ, Klingenberg DJ, Bauhofer W. A... nanotube (MWCNT)/polycarbonate (PC) nanocomposite was prepared by direct melt mixing to investigate the effect of the shear rate on the surface resistivity of the nanocomposites. In this study, an experiment was carried out to observe the shear induced orientation of the MWCNT in the polymer matrix using a very simple melt flow indexer with various loads. The compression-molded, should be eliminated. MWCNT/PC nanocomposite sample exhibited lower percolation thresholds (at 0.8 vol%) and higher... -
Comparison of the effects of different-sized airways in inspiratory trainers on maximal inspiratory pressure and rating of perceived exertion scale in healthy young people
Young-In Hwang, Ki-Song Kim 물리치료재활과학회 Physical Therapy Rehabilitation Science 5 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2018, 제 7권 제 1호 4 18-22 (5 pages)
a modified Borg scale and the pe- ..PAGE:5 22 Phys Ther Rehabil Sci 7(1) diatric dyspnea scale during an induced bronchoconstriction in children with clinical asthma. Allergy Asthma Respir Dis 2017; 5:262-8. 9. Miller MR, Hankinson J, Brusasco V, Burgos F, Casaburi R, Coates A, et al. Standardisation of spirometry. Eur Respir J 2005; 26:319-38. 10. Hulzebos EH, Helders PJ, Favie NJ, De Bie RA,... Objective: This study aimed to investigate the effect of different-sized airways of the inspiratory muscle trainer (IMT) on maximal inspiratory pressure (MIP) and the rating of perceived exertion, as measured by the modified Borg scale (m-Borg). Design: Cross-sectional study. Methods: Twenty healthy subjects (10 men, 10 women) volunteered for the study. The spirometry was used to measure MIP. The trial order of the three spirometry conditions was chosen randomly. After measuring the MIP and... -
Effect of backward walking training using an underwater treadmill on muscle strength, proprioception and gait ability in persons with stroke
Dong-Min Kum, Won-Seob Shin 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2017, 제 6권 제 3호 3 120-126 (7 pages)
Sci 2016;5:1-8. 15. Matsumoto I, Araki H, Tsuda K, Odajima H, Nishima S, Higaki Y, et al. Effects of swimming training on aerobic capacity and ex- ercise induced bronchoconstriction in children with bronchial asthma. Thorax 1999;54:196-201. 16. Chu KS, Eng JJ, Dawson AS, Harris JE, Ozkaplan A, Gylfadottir S. Water-based exercise for cardiovascular fitness in people with chronic stroke: a... Objective: The purpose of this study was to investigate the effects of backward treadmill gait training between underwater and ground environments on strength, proprioception, and walking ability in persons with stroke. Design: Randomized control trial. Methods: Twenty eight subjects participated in the study in which they were randomly assigned to either the underwater backward treadmill training (UBTT) group (n=13) or the BTT group (n=15). In both groups, forward gait training was performed... -
Effects of sit-to-stand imagery group training on balance performance in individuals with chronic hemiparetic stroke
Jeong-won Lee, Su-jin Hwang, Sin-ae Ahn 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2016, 제 5권 제 2호 2 63-69 (7 pages)
27. Nichols DS. Balance retraining after stroke using force platform biofeedback. Phys Ther 1997;77:553-8. 28. Leung DP, Ng AK, Fong KN. Effect of small group treatment of the modified constraint induced movement therapy for clients with chronic stroke in a community setting. Hum Mov Sci 2009;28:798-808. 29. Brogardh C, Sjolund BH. Constraint-induced movement therapy in patients with stroke:... Objective: To evaluate the effects of sit-to-stand (STS) imagery group training (IGT) on STS movement and balance performance for chronic hemiparetic stroke. Design: Randomized controlled trial. Methods: A total of 30 people with chronic hemiparetic stroke (15 for STS-IGT group and 15 for control) were recruited in this study. The STS-IGT group participated in a videotape-based STS-IGT for 30 minutes a day, five days a week for six weeks, while the control group watched a documentary on...