http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
간성상세포의 수축 및 성장에 대한 Angiotensin 2 수용체 길항제의 억제 효과
백순구 ( Baeg Sun Gu ),조호성 ( Jo Ho Seong ),석기태 ( Seog Gi Tae ),김정민 ( Kim Jeong Min ),이병준 ( Lee Byeong Jun ),최윤종 ( Choe Yun Jong ),김현수 ( Kim Hyeon Su ),이동기 ( Lee Dong Gi ),권상옥 ( Kwon Sang Og ),이건일 ( Lee G 대한소화기학회 2003 대한소화기학회지 Vol.42 No.2
Backgrounds/Aims: This study aimed to investigate the effects of angiotensin II (ANG II) and its receptor antagonist (losartan) on the contraction and growth of HSCs. Methods: HSCs were isolated from Sprague Dawley rat and cultured at various conditions as follows: control, pretreatment of 10(-5) M ANG II, pretreatment of 10(-5) M endothelin, and pretreatment of 10(-5) M ANG II and 10(-6) M losartan. We conducted morphologic analysis with cellular area and length by image analysis system to estimate cell growth in each group. In addition, we measured the change of intracellular calcium currents via electrophysiological methods to evaluate the contractile effect of ANG II and losartan on HSCs. Results: At the fifth day of incubation, the mean cellular area of ANG II-pretreated group and ANG II with losartan-pretreated group were 704.68±22.6 um2 and 332.90±32.6 um2, respectively. This difference was statistically significant (p<0.05). ANG II induced an increase in the intracellular calcium current by 22.0±3.0% compared with basal current level (p<0.05). However, when losartan was pretreated, ANG II did not cause a significant increase in calcium current (3.1±0.8%, p>0.05). Conclusion: ANG II accelerates the contraction and growth of HSCs, while its receptor blocker, losartan, inhibits the contraction and growth of HSCs (Korean J Gastroenterol 2003;42:134-141)
사육사슴 및 야생고라니에서 소 세균성 전염병에 대한 혈청학적 연구
조영숙 ( Young Suk Jo ),정윤신 ( Yun Shin Chung ),소승영 ( Seung Young So ),설민숙 ( Min Suk Seol ),조호성 ( Ho Seong Cho ),김범석 ( Bumseok Kim ),임채웅 ( Chae Woong Lim ) 한국동물위생학회 2010 한국동물위생학회지 (KOJVS) Vol.33 No.3
Deer can be one of the susceptible animals to bovine infectious diseases, and thus, may play a role either as a reservoir or amplifier host for spreading the diseases to other species such as cattle and goat. This study was conducted to determine the serum antibodies to bacterial infectious diseases for brucellosis, tuberculosis (TB), paratuberculosis (Johne`s disease) in deer. Serum samples were randomly collected from 78 deer from 31 farms at Jeonbuk province, and 7 wild water deer from Jeonbuk wild animal treatment center during 2005 to 2007, respectively. Four farm deer (5.1%) showed antibodies to tuberculosis using Antigen Rapid Bovine TB Ab Test Kit. One elk (1.3%) and one wild water deer had antibodies for paratuberculosis. Antibody against Brucellosis was not detected in tube agglutination test (TAT) and enzyme-linked immunosorbent assay (ELISA). These data suggest that caution should be applied to inspection of velvet, deer blood and meat for human consumption from deer because of zoonotic bacterial diseases in deer. In addition, farmed deer can be a transmissible host for zoonotic disease to diary or raising farm.
사육사슴 및 야생고라니의 Neospora caninum에 대한 항체가 조사
조영숙 ( Young Suk Jo ),이정원 ( Jeong Won Lee ),정윤신 ( Yun Shin Chung ),소승영 ( Seung Young So ),박현종 ( Hyun Jong Park ),조호성 ( Ho Seong Cho ),김범석 ( Bum Seok Kim ),임채웅 ( Chae Woong Lim ) 한국동물위생학회 2010 한국동물위생학회지 (KOJVS) Vol.33 No.3
With deer farming now becoming recognized as one of the alternative livestock farming practices, there has been much attention on infectious diseases of cattle, but less awareness of these diseases in deer. Serum samples were randomly collected from 78 deer from 31 farms and 7 wild water deer from wild animal medical center during 2005 to 2007, respectively. A total 85 sera were tested for Neospora caninum antibodies by ELISA. Fourteen farmed deer(17.9%) were positive to N. caninum but no antibodies were found in sera from wild water deer. The sera from all of the area for these study showed positive in the range from 6.7 to 30.7%. On the basis of these study, farmed deer in Jeonbuk province were exposed extensively and seriously to N. caninum which might present a risk to other species included cattle and dog.
가축의 보조사료 개발을 위한 Bacillus spp.의 분리 및 특성
박해석,조승화,임은정,김윤순,문성현,조호성,김현영,조용식,조성호,Park, Hae Suk,Jo, Seung Wha,Yim, Eun Jung,Kim, Yun Sun,Moon, Sung Hyun,Cho, Ho Seong,Kim, Hyun-Young,Cho, Yong Sik,Cho, Sung Ho 한국미생물학회 2015 미생물학회지 Vol.51 No.4
가축산업분야에서 항생제의 사용이 금지됨에 따라, 질병 예방을 통한 축산농가의 생산성 향상을 위해 사료첨가제인 미생물제재의 개발과 같은 예방적 수단이 필요하게 되었다. 본 연구는 가축의 생산성을 높이기 위해 사료 분해 능력이 좋고 항균활성이 뛰어난 포자 형성 Bacillus 균주 3종인 B. sutilis LCB7, B. licheniformis SHS14, B. amyloliquefaciens LCB10을 우수 균주로 선발하였다. 최종적으로 선발한 Bacillus 3종을 1:1:1 비율로 혼합하여 혼합 종균을 제조하여 항균시험(in vitro) 결과, 단일 3종 및 lincomycin과 비교하여 유사한 활성을 보여주었으며, 송아지를 이용하여 항균활성 시험(in vivo)을 실시한 결과에서도 lincomycin 투여 대비 90% 수준의 높은 활성을 보여주었다. 개발한 혼합 종균의 안정적 보존을 위해 혼합 종균을 제조하여 다시 증균을 통하여 미생물군집 분석을 통하여 확인한 결과, 초기 군집비율과 증균 후 군집비율이 매우 유사하게 유지되었다. 이로서 본 연구에서는 선발된 Bacillus 균주 3종을 이용하여 제조한 혼합 종균이 사료첨가제용 미생물제재로서 이용 가능함을 최종 확인하였다. The aims of this study were to isolate spore-forming Bacillus strains that exhibit high digestibility and anti-pathogenic bacteria toward feed for calves. Total 136 spore-forming strains were isolated from finished feeds and their ingredients. Among them, 93 strains were identified as Bacillus species when analyzed by 16S rRNA sequencing. For industrial use, three strains named as Bacillus licheniformis SHS14, B. subtilis LCB7, B. amyloliquefaciens LCB10 were selected after evaluating the industrial standards that are related with heat and acid resistance, enzyme activities, and anti-pathogenic activities against Samonella dublin ATCC15480 and E. coli K99. After each culture, 3 selected strains were mixed together at 1:1:1 (v/v/v) ratio and then prepared as the mixed starter culture for feeding. The changes in microbial community were analyzed via 16S rRNA metagenomics. The initial community ratio among three strains was maintained even after manufacturing into final products. Also, in vitro, enzymatic and anti-pathogenic activities were almost same as those when cultured in single culture, and results of anti-pathogenic activities conducted with calves showed 90% activities against lincomycin, which would be indicative of a promising feed starter.