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Baatartsogt. O,H. K. Lim,Urantulkhuur. B,S. W. Suh,J. D. Kang,B. G. Jang,J. H. Kim,S. H. Kim,J. H. Lee,K. D. Choi 한국가금학회 2007 한국가금학회 정기총회 및 학술발표회 Vol.24 No.-
Fowl typhoi d (FT) i s a severe systemic disease of chickens causing heavy economic losses to the poultry industry through mortality, reduced egg production and culling of precious breeding stocks. It is hard to be discovered by clinical sign, pathology and immunology. The immune response to S. gallinarum is poorly characterized because of its virulence. In this study, the total RNA isolated by spleen lymphocytes for Affymetrix GeneChip and RT-PCR analysis. Total RNA was extracted using TRIzol (Invitrogen, Carlsbad, CA). These results indicate that expression of LY86, FN1, K60, CCL19, ah22 increased and during immune response at chickens B-FVI was decreased in fowl typhoid. In conclusion, the differential expressed genes in spleen lymphocytes from S. gallinarum infected and uninfected control groups were related with immunological defense system of chickens. The several identified gene may be used as valuable in formation for immune response mechanims of FT biology.
Proteomic analysis of Salmonella pullorum infected liver tissue in chicken
Urantulkhuur.B,Baatartsogt.O,H. K. Lim,S.W Suh,Y.Y Kim,C.H Lee,P.K. Mandal,K. D. Choil 한국가금학회 2008 한국가금학회 정기총회 및 학술발표회 Vol.25 No.-
Salmonellosis in poultry is a significant health problem which causes substantial economic loss. One of the common causative agents of chicken salmonellosis is Salmonella pullorum (SP). The goal of this work was to characterize and identify gene expression profiles of chicken liver tissue after infected Salmonella pullorum. In particular, this report focuses on identification of the major proteins that could be identified in Salmonella infected liver. Hundred Hy-Line layer chicks of 10 days old were divided into 5 groups of 20 each. A1, A2, A3 group were infected with high dose(3×10⁹cfu/㎖) of S.P orally and A4, A5 group were kept as non-infected control. One chick was taken randomly from each group after 0, 3, 6, 9, and 12 days and liver was collected. Proteins were separated from 6 days chicks' liver. Two-dimensional electrophoresis was done and mass spectrometry(MS) will identify the protein spots. More than 289 protein spots were detected on silver stained 2DE gels. Three new proteins were found to be expressed in the infected chicken liver. Five proteins were found to have up regulated expression in infected chicken.
김윤연,Urantulkhuur'B,Baatartsogt'O,서상원,김영교,안광철,최강덕 한국가금학회 2009 한국가금학회 정기총회 및 학술발표회 Vol.26 No.-
Salmonella pullorum in poultry is a signficant health problem which causes substantial economic loss. This study was conducted to characterize and identify protein expression profiles of chicken liver after S. pullorum challenge. To identify the differentially expressed chicken liver proteins after S. pullorum, we have used two-dimensional electrophoresis with MALDI-TOF mass spectrometry. Total 14 protein spots were selected from two-dimensional electrophoresis. 8 proteins were up-regulated and 6 proteins were down-regulated at the chicken liver infected S. pullorum. In conclusion, this study could be used to the determine characterize and identify protein expression profiles of chicken liver infected S. pullorum.
Immuno-regulatory Effect of Dryopteriscrassirhizoma Extract on Chicken Splenocyte
Baatartsogt. O,Urantulkhuur. B,S.W. Suh,H.K. Lim,Y.K. Kim,K.O.Park,J.H. Kim,S.H. Kim,P. K. mandal,K. D. Choi 한국가금학회 2008 한국가금학회 정기총회 및 학술발표회 Vol.25 No.-
We investigated the effect of herbal extract of Dryopteris crassirhizoma on the cell viability, immune response, and nitric oxide production of chicken splenocyte. Nitrite levels were assayed in the culture supernatant of splenocyte after 24h by the Griess method. The expressions of pro-inflammatory cytokines such as interleukin (IL-2, IL-6, IL-8, IL-18) and the housekeeping gene GAPDH were studied using RT-PCR. Splenocyte were cultured with the herbal extracts at 37℃ in 96-well plate for 24h. Not cytotoxic effect was observed at 20 ㎍ and 40 ㎍. The NO production increased dose dependently with the treatment of herbal extract. which suggest that this herbal extract has no anti-inflammatory effect. In cytokine expression it was observed that the herbal extract induced the expression of IL-2 and suppressed the expression of IL-6 and IL-18, however there was no effect on the expression of IL-8. It may be concluded that the Dryopteris crassirhizoma extract is non toxic and have no anti-inflammatory effect and it has immune stimulation effect through IL-2.
가금티푸스 감염시 Saccharomyces exiguus를 포함한 사료 첨가제가 산란계의 면역 반응에 미치는 영향
서상원,임희경,김대영,Baatartsogt. O,Urantulkhuur. B,P.K. Mandal,이치호,이준헌,최강덕 한국가금학회 2008 한국가금학회 정기총회 및 학술발표회 Vol.25 No.-
This experiment was conducted to investigate the effects of Saccharomyces exiguss supplementation on mortality and immune response with fowl typhoid infection in layer chicks. A total 162 layer chicks of 10 days age were divided into control and different groups. Mortality was checked daily, Body weight was checked at 0, 3 and 6 day post infection(dpi) and blood was collected at 12 dpi for measuring of IgG and IgA by ELISA. There was no mortality in control groups with or without yeast. The mortality between 6~15 dpi was highest (68~84%) in infected group without yeast. However, the mortality reduced (36~44%) significantly in the groups with yeast orally or by both orally and through feed (20~36%). Weight gain was significantly higher in control groups than the infected groups and there was no difference between the infected groups. IgG level increase in both control and infected chicken when given orally than when given both orally and though feeding. In case of IgM though the level increased in control group but it has gradually decreased in the infected group with the use of yeast. The yeast feeding has reduced mortality of chicks from fowl typhoid, though it is not very effective on weight gain and immune response.