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Altered Delayed Rectifier K+ Current of Rabbit Coronary Arterial Myocytes in Isoproterenol-Induced Hypertrophy
NariKim, JinHan, EuiyongKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.1 5 33-40 (8 pages)
whereas the KDR current density is decreased by about 34.7% for potental positive to +50 mV (Fig 1). The absence of an over-expression could not therefore be responsible for the total decrease of KTR current. We have also shown that isoproterenol-in duced hypertrophy induced a decrease in the unitary current amplitude of coronary Ca'+ -activated K + channel (in press). Therefore， at least... to compare the properties of coronary KDR channels in normal and hypertrophied hearts. These channels were measured from rabbit coronary smooth muscle cells using a patch clamp technique. The main findings of the study are as follows: (1) the KDR current density was decreased without changes of the channel kinetics in isoproterenol-induced hypertrophy; (2) the sensitivity of coronary KDR channels to 4-AP was increased in isoproterenol-induced hypertrophy. From the above results, we suggest for... -
Overlook of current chemical vapor deposition-grown large single-crystal graphene domains
Kyung Tae Park, Taehoon Kim, Chong Rae Park 한국탄소학회 Carbon Letters 11 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.3 1 151-161 (11 pages)
current CVD-grown large single-crystal graphene domains 153 http://carbonlett.org a large graphene domain size because increasing the growth temperature decreases the nucleation density of the graphene, allowing larger graphene domain growth (Fig. 3). At frst glance, this may be slightly confusing, as one may expect the opposite to occur, as the activation energy for nucleation will be more... Not only has good monolayer growth of graphene been achieved, but large-area synthesis of graphene sheets has been successful too. However, the polycrystalline nature of CVD graphene is hampering further progress as graphene property degrades due to presence of grain boundaries. This review will cover factors that affect nucleation of graphene and how other scientists sought to obtain large graphene domains. In addition, the limitation of the current research trend will be touched upon as well. -
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)
in the skin reaction compared to that of the vehicle-treated irradiation group (Fig. 2). Histological examination Hematoxylin and eosin stained sections were examined to assess the basal cell density and epithelial depth in pig skin with or without curcumin treatment. Skin sections that were collected from each pig before irradiation exhibited normal morphology. The basal cell density and... 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... -
Anti-melanogenic effects of black, green, and white tea extracts on immortalized melanocytes
Young Chul Kim, So Young Choi, Eun Ye Park 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 2호 1 135-143 (9 pages)
sec. The PCR products were separated on 1.2% agarose gels. Expected sizes of the amplified tyrosinase, TRP-1, TRP-2, and -actin fragments were 1192, 268, 1044, and 528 bp, respectively. DNA band density was semi-quantitatively analyzed using a Kodak Gel Logic 100 image analysis system (Eastman Kodak, USA). The gene expression of tyrosinase, TRP-1, and TRP-2 was normalized relative to -actin... Tea contains polyphenols and is one of the most popular beverages consumed worldwide. Because most tyrosinase inhibitors that regulate melanogenesis are phenol/catechol derivatives, this study investigated the inhibitory effects of Camellia sinensis water extracts (CSWEs), including black tea, green tea, and white tea extracts, on melanogenesis using immortalized melanocytes. CSWEs inhibited melanin accumulation and melanin synthesis along with tyrosinase activity in a concentration-dependent... -
Association of the time that elapsed from last vaccination with protective effectiveness against foot-and-mouth disease in small ruminants
Ehud Elnekave, Boris Even-Tov, Boris Gelman, Beni Sharir, Eyal Klement 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 1호 11 87-92 (6 pages)
serotypes were included in the vaccine used in the current study, and the virus responsible for the current outbreak (WRLFMD reference no. ISR/6/2011 [10]) was almost identical to those isolated in the cattle outbreak (WRLFMD reference no. ISR/11/2011 and ISR/13/2011 [11]), the same moderately low r 1 value was expected for this outbreak. Thus, the difference observed between cows and sheep... Routine and emergency vaccination of small ruminants against foot-and-mouth disease (FMD) is mandatory in many endemic countries, yet data on the field effectiveness of the vaccines used is scarce. We conducted an investigation of a serotype O FMD outbreak that took place in a sheep and goat pen, and estimated the effectiveness of various routine vaccination statuses. We also evaluated the protection provided by colostrum administration and emergency vaccination.... -
Production of a highly group-specific monoclonal antibody against zearalenone and its application in an enzyme-linked immunosorbent assay
Sang-Ho Cha, Sung-Hee Kim, Karyn Bischoff, Hyun-Jeong Kim, Seong-Wan Son, Hwan-Goo Kang* 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 2호 2 119-125 (7 pages)
: 19.8 ratio mentioned in another report [2]. Coupling density of the chemical with the carrier protein was reported to affect antibody production. Immunogens with higher coupling densities usually produce mAb with higher substrate affinities [8,11]. The immunogen used in the present study had a relatively high coupling density compared to those used in previous reports [2]. Antisera from... A monoclonal antibody (mAb) against zearalenone (ZEN) was produced using ZEN-carboxymethoxylamine and -BSA conjugates. Antibody produced by one clone showing a very high binding ability was selected and found to have a higher affinity for ZEN compared to a commerciall ZEN antibody. We developed two direct competitive ELISA systems using the selected antibody (ZEN-coated and anti-ZEN antibody-coated ELISA). Quantitative ranges for the anti-ZEN antibody-coated ELISA and ZEN-coated ELISA were from... -
The Neuroprotective Potential of Cyanidin-3-glucoside Fraction Extracted from Mulberry Following Oxygen-glucose Deprivation
MohammadIqbalHossainBhuiyan, Hyun-BokKim, SeongYunKim, Kyung-OkCho 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.6 6 353-362 (10 pages)
is a current challenge. Excitotoxicity, oxidative stress, and an excessive in- flammatory response are all im plicated in the pathogenesis of ischemic and reperfusion injury [5-7]. The major ex- citatory neurotransmitter glutamate play s important roles in the physiological functions of the central nervous system (CNS) and contributes to the pathogenesis of ischemia/hy- poxia-induced neuronal... In this study, cyanidin-3-glucoside (C3G) fraction extracted from the mulberry fruit (Morus alba L.) was investigated for its neuroprotective effects against oxygen-glucose deprivation (OGD) and glutamate-induced cell death in rat primary cortical neurons. Cell membrane damage and mitochondrial function were assessed by LDH release and MTT reduction assays, respectively. A time-course study of OGD-induced cell death of primary cortical neurons at 7 days in vitro (DIV) indicated that neuronal... -
Selective Cytotoxicity of Novel Platinum(II) Coordination Complexes on Human Bladder Cancer Cell-Lines and Normal Kidney Cells
Jung-TaeKim, Young-SooRho, Jee-ChangJung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.2 10 111-117 (7 pages)
a current delivered between platinum electrodes produced inhibition of E. coli prolif- eration. The inhibitory effects on bacterial replication were later ascribed to the formation of inorganic platinum- containing compounds in the presence of ammonium and chloride ions (Rosenberg et al, 1965, 1967). The introduction of the square-planar complex cis- diaminodichloroplatinum (II) (Cisplatin;... Cisplatin is often effective in cancer treatment, but its clinical use is limited because of its nephrotoxicity. We have synthesized new platinum(II) coordination complexes (PC-1 & PC-2) containing trans-l and cis-1,2-diaminocyclohexane (DACH) as carrier ligands and L-3 -phenyllactic acid (PLA) as a leaving group with the aim of reducing nephrotoxicity but maintaining its anticancer activity. In this study, new platinum(II) complex compounds were evaluated for selective cytotoxicity on... -
Modulation of Pituitary Somatostatin Receptor Subtype (sst1-5) mRNA Levels by Growth Hormone (GH)-Releasing Hormone in Purified Somatotropes
SeungjoonPark, HeesoonPark, MinaLee, SookjinSohn, EunheeKim, JeechangJung, LawrenceA.Frohman, RhondaD.Kineman 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.2 5 79-84 (6 pages)
enriched and somatotrope depleted cultures were observed in two inde pendent ex periments. 0 10 20 80 90 100 + - + - + - + - + - sst1 sst2 sst3 sst4 sst5 Pituitary receptor mRNA (Relative pixel density) Fig. 3. Relative expression levels of GHRH-R and GHS-R in somatotrope-enriched (+) and somatotrope-depleted (-) cultures. Somatotropes were FACS purified as described in the legend to Fig. 1 and... We have previously reported that expression of the somatostatin receptor subtypes, sst1-5, is differentially regulated by growth hormone (GH)-releasing hormone (GHRH) and forskolin (FSK), in vitro. GHRH binds to membrane receptors selectively located on pituitary somatotropes, activates adenylyl cyclase (AC) and increases sst1 and sst2 and decreases sst5 mRNA levels, without significantly altering the expression of sst3 and sst4. In contrast FSK directly activates AC in all pituitary cell types... -
Genomics-based Sensitive and Specific Novel Primers for Simultaneous Detection of Burkholderia glumae and Burkholderia gladioli in Rice Seeds
Chae-yeong Lee, Hyun-Hee Lee, Mohamed Mannaa, Nam-gyu Kim, Jung-wook Park, Ju-yun Kim, Young-Su Seo 한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 6호 4 490-498 (9 pages)
an optical density of 600 nm (OD 600) and viable cells were enumerated using a stan- dard plate-counting procedure on LB agar. Comparative genomic analysis and primer design to screen species-specific gene sequences. B. glumae and B. gladioli species-specific primers were designed to identify unique genes for each species. Genome information of all registered strains in each species (Table 2)... Panicle blight and seed rot disease caused mainly by Burkholderia glumae and Burkholderia gladioli is threatening rice cultivation worldwide. The bacteria have been reported as seed-borne pathogens from rice. Accurate detection of both pathogens on the seeds is very important for limiting the disease dissemination. Novel primer pairs targeting specific molecular markers were developed for the robust detection of B. glumae and B. gladioli. The designed primers were specific in detecting the...