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Mycobacterium avium subspecies paratuberculosis infects and multiplies in enteric glial cells 被引量:1
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作者 Leonardo A Sechi Anne Ruehl +4 位作者 Niyaz Ahmed Donatella Usai Daniela Paccagnini Giovanna E Felis Stefania Zanetti 《World Journal of Gastroenterology》 SCIE CAS CSCD 2007年第43期5731-5735,共5页
AIM: To establish the role of enteric glial cells during infection with Mycobacterium avium subspecies paratuberculosis (MAP) in Crohn's disease. METHODS: In order to establish the role of enteric glial cells duri... AIM: To establish the role of enteric glial cells during infection with Mycobacterium avium subspecies paratuberculosis (MAP) in Crohn's disease. METHODS: In order to establish the role of enteric glial cells during infection with M. avium subspecies paratuberculosis (MAP) in Crohn's disease, Map adhesion experiments on enteric glial cells were performed as well as expression analysis of Map sigma factors during infection. RESULTS: In this study, for the first time, we found a high affinity of MAP to enteric glial cells and we analyzed the expression of MAP sigma factors under different conditions of growth. CONCLUSION: The fact that Map showed a high affinity to the glial cells raises concerns about the complicated etiology of the Crohn's disease. Elucidation of the mechanisms whereby inflammation alters enteric neural control of gut functions may lead to novel treatments for Crohn's disease. 展开更多
关键词 Mycobacterium avium subspecies Paratuber-culosis Enteric glial cells Inflammatory bowel diseases Crohn's disease Sigma factors expression
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Optimisation of Electrical Distribution System by Using Solar Thermal Powered Systems and Its Impact on Electrical Distribution Feeders
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作者 Punnaiah Veeraboina G. Yesuratnam 《Energy and Power Engineering》 2016年第4期219-229,共11页
In this research, the performance of the solar thermal powered systems (STPS) is analyzed with different models (without inserts, with inserts and with Nano fluids with different concentrations) and its impact on the ... In this research, the performance of the solar thermal powered systems (STPS) is analyzed with different models (without inserts, with inserts and with Nano fluids with different concentrations) and its impact on the Electric load in a residential/Institutional Electrical Distribution system. For this purpose, the electrical and solar thermal water heater is tested and validated. Solar thermal powered systems and its impact on the Institutional electrical distribution feeders are tested and compared with the energy efficiency (EE) and cost optimization. The goal of this paper is to analyze the impact of solar thermal energy on electrical energy consumption in the electrical distribution feeder level. The electrical system cost and energy consumptions are tabulated and observed that there is a considerable savings. 展开更多
关键词 Solar Thermal Power Systems Electrical Distribution Feeder Energy Consumption Automatic Power Factor Correction Electrical Heaters
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Characterization of hepatic progenitors from human fetal liver using CD34 as a hepatic progenitor marker 被引量:9
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作者 Parveen Nyamath Ayesha Alvi +3 位作者 Aejaz Habeeb Sanjeev Khosla Aleem A Khan CM Habibullah 《World Journal of Gastroenterology》 SCIE CAS CSCD 2007年第16期2319-2323,共5页
AIM: To enrich putative hepatic progenitors from the developing human fetal liver using CD34 as a marker. METHODS: Aborted fetuses of 13-20 wk were used for the isolation of liver cells. The cells were labeled with an... AIM: To enrich putative hepatic progenitors from the developing human fetal liver using CD34 as a marker. METHODS: Aborted fetuses of 13-20 wk were used for the isolation of liver cells. The cells were labeled with anti CD34; a marker used for isolating progenitor population and the cells were sorted using magnetic cell sorting. The positive fractions of cells were assessed for specific hepatic markers. Further, these cells were cultured in vitro for long term investigation. RESULTS: Flow cytometric and immunocytochemical analysis for alphafetoprotein (AFP) showed that the majority of the enriched CD34 positive cells were positive for AFP. Furthermore, these enriched cells proliferated in the long term and maintained hepatic characteristics in in vitro culture. CONCLUSION: The study shows that aborted human fetal liver is a potential source for isolation of hepatic progenitors for clinical applications. The study also demonstrates that CD34 can be a good marker for the enrichment of progenitor populations. 展开更多
关键词 Progenitor cells Fetal liver Magnetic cell sorting Flow cytometry IMMUNOHISTOCHEMISTRY
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Computational Prediction of Rice (Oryza sativa) miRNA Targets 被引量:8
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作者 Sunil Archak J.Nagaraju 《Genomics, Proteomics & Bioinformatics》 SCIE CAS CSCD 2007年第3期196-206,共11页
Bioinformatic approaches have complemented experimental efforts to inventorize plant miRNA targets. We carried out global computational analysis of rice (Oryza sativa) transcriptome to generate a comprehensive list ... Bioinformatic approaches have complemented experimental efforts to inventorize plant miRNA targets. We carried out global computational analysis of rice (Oryza sativa) transcriptome to generate a comprehensive list of putative miRNA targets. Our predictions (684 unique transcripts) showed that rice miRNAs mediate regulation of diverse functions including transcription (41%), catalysis (28%), binding (18%), and transporter activity (11%). Among the predicted targets, 61.7% hits were in coding regions and nearly 72% targets had a solitary miRNA hit. The study predicted more than 70 novel targets of 34 miRNAs putatively regulating functions like stress-response, catalysis, and binding. It was observed that more than half (55%) of the targets were conserved between O. sativa indica and O. sativa japonica. Members of 31 miRNA families were found to possess conserved targets between rice and at least one of other grass family members. About 44% of the unique targets were common between two dissimilar miRNA prediction algorithms. Such an extent of cross-species conservation and algorithmic consensus confers confidence in the list of rice miRNA targets predicted in this study. 展开更多
关键词 miRNA target prediction CONSERVATION consensus rice
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