• Title/Summary/Keyword: GP2Y10

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Effects of Dietary Garlic Powder on Growth, Feed Utilization and Whole Body Composition Changes in Fingerling Sterlet Sturgeon, Acipenser ruthenus

  • Lee, Dong-Hoon;Lim, Seong-Ryul;Han, Jung-Jo;Lee, Sang-Woo;Ra, Chang-Six;Kim, Jeong-Dae
    • Asian-Australasian Journal of Animal Sciences
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    • v.27 no.9
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    • pp.1303-1310
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    • 2014
  • A 12 week growth study was carried out to investigate the supplemental effects of dietary garlic powder (GP) on growth, feed utilization and whole body composition changes of fingerling sterlet sturgeon Acipenser ruthenus (averaging weight, 5.5 g). Following a 24-h fasting, 540 fish were randomly distributed to each of 18 tanks (30 fish/tank) under a semi-recirculation freshwater system. The GP of 0.5% (GP0.5), 1% (GP1), 1.5% (GP1.5), 2% (GP2) and 3% (GP3) was added to the control diet (GP0) containing 43% protein and 16% lipid. After the feeding trial, weight gain (WG) of fish fed GP1.5, GP2 and GP3 were significantly higher (p<0.05) than those of fish fed GP0, GP0.5 and GP1. Feed efficiency and specific growth rate (SGR) showed a similar trend to WG. Protein efficiency ratio of fish fed GP1.5, GP2, and GP3 were significantly higher (p<0.05) than those of fish groups fed the other diets. A significant difference (p<0.05) was found in whole body composition (moisture, crude protein, crude lipid, ash, and fiber) of fish at the end of the experiment. Significantly higher (p<0.05) protein and lipid retention efficiencies (PRE and LRE) were also found in GP1.5, GP2, and GP3 groups. Broken-line regression model analysis and second order polynomial regression model analysis relation on the basis of SGR and WG indicated that the dietary optimal GP level could be greater than 1.77% and 1.79%, but less than 2.95% and 3.18% in fingerling sterlet sturgeon. The present study suggested that dietary GP for fingerling sterlet sturgeon could positively affect growth performance and protein retention.

Effect of Gentianae Macrophyllae Radix Pharmacopuncture at Hwando (GB30) on Neuropathic Pain in Tibial and Sural Nerve Transected Rats (환도(環跳)(GB30) 진구약침(秦艽藥鍼)이 신경병리성 통증 유발 흰쥐에 미치는 영향)

  • Lee, Ook Jae;Kim, Seon Wook;Shin, Jeong Cheol
    • Journal of Acupuncture Research
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    • v.33 no.3
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    • pp.1-16
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    • 2016
  • Objectives : The objective of this study was to investigate the effects of Gentianae Macrophyllae Radix pharmacopuncture (GP) at Hwando (GB30) in neuropathic pain induced rats. Methods : Neuropathic pain in rats was induced by tibial and sural nerve transection. The rat subjects were divided into 6 groups : normal (Nor, n = 5), control (Con, n = 5), neuropathic pain- induced injected at GB30 with 1 mg/kg GP (GP-A, n = 5), 5 mg/kg GP (GP-B, n = 5) and 20 mg/kg GP (GP-C, n = 5), and neuropathic pain-induced injected with 1mg/kg Tramadol (Tramadol, n=5). Injections were administered 2 times a week for a total of 5 treatments. After each treatment plantar withdrawal response was measured and after all 5 treatments were completed c-fos, Bax, Bcl-2, mGlu5 and leukocytes in the blood were analyzed. Results : 1. Groups GP-A, GP-B and GP-C showed a meaningful decrease in the withdrawal response of mechanical allodynia compared to the control group. 2. Groups GP-A, GP-B and GP-C showed a meaningful decrease in the expression of c-fos compared to the control group. 3. Groups GP-A and GP-C showed a meaningful increase in the expression of mGluR5 compared to the control group. 4. Groups GP-A, GP-B and GP-C showed a meaningful decrease in Bax/Bcl-2 ratio compared to the control group. Conclusion : These results suggest that Gentianae Macrophyllae Radix pharmacopuncture at Hwando (GB30) could decrease mechanical allodynia and could have analgesic and neuroprotective effects on the model of neuropathic pain.

Global Positioning System(GPS) : 원리와 응용

  • 지규인;이영재
    • ICROS
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    • v.2 no.2
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    • pp.10-18
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    • 1996
  • 이 글에서는 현재 그 응용범위가 확장되어감에 따라 관심이 고조되고 있는 GPS의 원리와 응용에 대해 간단히 요약해 소개하고자 한다. 제2절에서는 GPS를 이용한 위치 측정의 원리를, 제3절에서는 GPS의 응용과 앞으로의 전망에 대해 기술하려고 한다.

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Development of mixed Th1/Th2-type immune response in mice following immunization with GP63 from Leishmania donovani (내장리슈만편모충 유래 GP63 항원을 마우스에 접종한 후 관찰되는 Th1/Th2-type 복합 면역반응)

  • Shin, Sung-shik
    • Korean Journal of Veterinary Research
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    • v.41 no.2
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    • pp.211-218
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    • 2001
  • The $M_r$ 63,000 glycoprotein (GP63) and lipophosphoglycan (LPG) of Leishmania donovani were evaluated as vaccine candidates against visceral leishmaniasis. Mice were immunized with liposomeencapsulated GP63 and/or LPG that were purified from the soluble extract of L. donovani promastigotes, and were challenged with virulent amastigotes. Mice immunized with GP63/LPG in liposomes plus BCG resulted in a 27.4% reduction of amastigotes in the liver compared to the control group (liposomes plus BCG), and mice immunized with liposome-GP63 plus BCG failed to induce a protective immune response against the challenge infection. Immunization of mice with GP63 fused to the Schistosoma japonicum glutathione S-transferase (GP63-GST) plus BCG also failed to elicit protective immunity. To analyze the cause of failure to induce protection, cytokine release from the spleen cells of immunized mice and Leishmania-specific serum antibodies were analyzed. Spleen cells from mice immunized with GP63-GST plus BCG that were exposed to soluble extract of L. donovani in vitro produced 10-fold greater quantities of IFN-gamma and 3-fold greater quantities of IL-5 than cells from mice receiving BCG only or saline. Western blot analysis revealed that sera from these mice had Leishmania-specific antibodies recognizing 1 to 3 antigens of L. donovani with M. W. of 60-65 kDa. Although immunization of mice with GP63-GST induced a strong Th1 response, this study indicated that GP63-GST simultaneously elicited the Th2 response of the CD4+ T-cell, which was known to abrogate the protective immune response conferred by the Th1 effector function.

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GP-GPU based Parallelization for Urban Terrain Atmospheric Model CFD_NIMR (도시기상모델 CFD_NIMR의 GP-GPU 실행을 위한 병렬 프로그램의 구현)

  • Kim, Youngtae;Park, Hyeja;Choi, Young-Jeen
    • Journal of Internet Computing and Services
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    • v.15 no.2
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    • pp.41-47
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    • 2014
  • In this paper, we implemented a CUDA Fortran parallel program to run the CFD_NIMR model on GP-GPU's, which simulates air diffusion on urban terrains. A GP-GPU is graphic processing unit in the form of a PCI card, and a general calculation accelerator to perform a large amount of high speed calculations with low cost and electric power. The GP-GPU gives performance enhancement of speed by 15 times to compare the Nvidia Tesla C1060 GPU with Intel XEON 2.0 GHz CPU. In addition, the program on a GP-GPU shows efficient performance compared to an MPI parallel program on multiple CPU's. It is expected that a proposed programming method on the GP-GPU parallel program can be used for numerical models with a similar structure.

Commonly Used Surfactant, Tween 80, Improves Absorption of P-Glycoprotein Substrate, Digoxin, in Rats

  • Zhang, Hongjian;Yao, Ming;Morrison, Richard-A.;Chong, Sae-Ho
    • Archives of Pharmacal Research
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    • v.26 no.9
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    • pp.768-772
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    • 2003
  • Tween 80 (Polysorbate 80) is a hydrophilic nonionic surfactant commonly used as an ingredient in dosing vehicles for pre-clinical in vivo studies (e.g., pharmacokinetic studies, etc.). Tween 80 increased apical to basolateral permeability of digoxin in Caco-2 cells suggesting that Tween 80 is an in vitro inhibitor of P-gp. The overall objective of the present study was to investigate whether an inhibition of P-gp by Tween 80 can potentially influence in vivo absorption of P-gp substrates by evaluating the effect of Tween 80 on the disposition of digoxin (a model P-gp substrate with minimum metabolism) after oral administration in rats. Rats were dosed orally with digoxin (0.2 mg/kg) formulated in ethanol (40%, v/v) and saline mixture with and without Tween 80 (1 or 10%, v/v). Digoxin oral AUC increased 30 and 61% when dosed in 1 % and 10% Tween 80, respectively, compared to control (P<0.05). To further examine whether the increase in digoxin AUC after oral administration of Tween 80 is due, in part, to a systemic inhibition of digoxin excretion in addition to an inhibition of P-gp in the GI tract, a separate group of rats received digoxin intravenously (0.2 mg/kg) and Tween 80 (10% v/v) orally. No significant changes in digoxin IV AUC was noted when Tween 80 was administered orally. In conclusion, Tween 80 significantly increased digoxin AUC and Cmax after oral administration, and the increased AUC is likely to be due to an inhibition of P-gp in the gut (i.e., improved absorption). Therefore, Tween 80 is likely to improve systemic exposure of P-gp substrates after oral administration. Comparing AUC after oral administration with and without Tween 80 may be a viable strategy in evaluating whether oral absorption of P-gp substrates is potentially limited by P-gp in the gut.

WRF Physics Models Using GP-GPUs with CUDA Fortran (WRF 물리 과정의 GP-GPU 계산을 위한 CUDA Fortran 프로그램 구현)

  • Kim, Youngtae;Lee, Yong Hee;Chung, Kwan-Young
    • Atmosphere
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    • v.23 no.2
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    • pp.231-235
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    • 2013
  • We parallelized WRF major physics routines for Nvidia GP-GPUs with CUDA Fortran. GP-GPUs are originally designed for graphic processing, but show high performance with low electricity for calculating numerical models. In the CUDA environment, a data domain is allocated into thread blocks and threads in each thread block are computing in parallel. We parallelized the WRF program to use of thread blocks efficiently. We validated the GP-GPU program with the original CPU program, and the WRF model using GP-GPUs shows efficient speedup.

Analysis of antigenicity of viral hemorrhagic septicemia virus (VHSV) glycoprotein from cultured olive flounder Paralichthys olivaceus (양식 넙치, Paralichthys olivaceus에서 분리한 viral hemorrhagic septicemia virus (VHSV)의 항원성 분석)

  • Kim, Su-Mi;Jee, Bo-Young;Cho, Mi-Young;Won, Kyoung-Mi;Kim, Jin-Woo;Park, Soo-Il
    • Journal of fish pathology
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    • v.24 no.2
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    • pp.75-84
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    • 2011
  • The amino acid sequence of glycoprotein of Korean VHSV isolate (KR'01-1) was analyzed using the DNAStar Protean system. Based on the flexibility, hydrophilicity, antigenic index and surface probability, three regions (Gp1, Gp2 and Gp3) were selected as potential antigenic determinants. Three oligopeptides containing the amino acid sequences of the three regions were synthesized and polyclonal antibodies were raised against them. The activities of the antibodies were analyzed by Western blotting and virus neutralization test. The results showed that antibodies raised against oligopeptides Gp1 and Gp2 neutralized the infectivity of VHSV, suggesting that they can be possible candidates for subunit vaccines against VHS diseases in olive flounder.

Effects of Dietary Garlic Powder and Copper on Cholesterol Content and Quality Characteristics of Chicken Eggs

  • Lim, K.S.;You, S.J.;An, B.K.;Kang, C.W.
    • Asian-Australasian Journal of Animal Sciences
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    • v.19 no.4
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    • pp.582-586
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    • 2006
  • This experiment was conducted to investigate the dietary effect of garlic powder (GP) and copper (Cu) on laying performances and the cholesterol content and quality characteristics of eggs during storage in laying hens. A total of one hundred and eighty, 50-wk-old, Hy-Line Brown layers were divided into 6 groups with 3 replicates per group (10 layers per replicate) and fed one of six diets containing GP 0%, GP 1%, GP 3%, GP 5%, Cu 200 ppm, or GP 3%-Cu 200 ppm for 5 wks. There were no differences in the laying performances and feed intakes bertween treatments. Eggshell strength, eggshell thickness and yolk color were also not affected by feeding of GP and Cu. With increasing dietary GP, Haugh unit was linearly increased after 2 wk of storage (p<0.05). The levels of serum total cholesterol in hens fed diets containing GP or Cu were lower than that of the control (p<0.05), but high density lipoprotein-cholesterol was not influenced by dietary GP or Cu. The content of egg yolk cholesterol from hens fed diets containing GP or Cu was significantly decreased from that of the control, except for the GP 1% group. Based on the results of this experiment, the decrease of Haugh unit during storage was alleviated by feeding of GP. The feeding of GP or Cu alone and in combination altered the cholesterol fractions in serum and reduced the content of egg yolk cholesterol in laying hens.

3D Computational Modeling of Human P-gp NBD2 with Papyriferic Acid Derivatives

  • Gadhe, Changdev G.
    • Journal of Integrative Natural Science
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    • v.5 no.3
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    • pp.190-194
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    • 2012
  • Human P-gp is one of the protein responsible for the multidrug resistance (MDR) develpment. MDR is a major cause of the cancer chemotherapy. In this paper, we performed homology modeling, docking study of papayriferic acid into the P-gp nucleotide binding domain (NBD2). For human P-gp, X-ray crystal structure is not known yet. We developed homology model for human NBD2 using HlyB ABC transporter structure (PDB code: 1XEF, resolution 2.5 ${\AA}$). Docking study was performed using Autodock. Docking result was analyzed, which shows that ligand docks into steroid binding site and interacts through hydrophobic and hydrophilic interactions.