Home CUSTOMERS Acta Virologica 2007 Acta Virologica Vol.51, p.27-33, 2007

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Quarterly,
Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

Published in English

Impact Factor = 1.82

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Acta Virologica Vol.51, p.27-33, 2007

Title: PATHOGENESIS AND ANTIBODY RESPONSE TO A CYTOMEGALOVIRUS INFECTION IN NEWBORN RATS
Author: H.S. LOH, M.L. MOHD-AZMI, A.R. SHEIKH-OMAR, M. ZAMRI-SAAD, Y.J. TAM
Abstract: The present study described the kinetics of Rat cytomegalovirus (RCMV) infection in newborn rats by monitoring infectious virus and viral antigens in various organs, viral DNA in the blood (DNAemia) and antibody response. These parameters were evaluated quantitatively using double-antibody sandwich ELISA (DAS-ELISA), real-time PCR, indirect ELISA and virus infectivity assay. For the first time DAS-ELISA was used for detection of RCMV antigen directly from organ samples. The relationships between the presence of viral antigens in the infected organs and antibody levels were established by the Spearman's rank test. It was found that the virus was present in the blood, spleen, liver, lungs, and kidneys earlier than in the salivary glands. Furthermore, the early immunity of the newborn rats led to a delayed seroconversion. We suggested that the prolonged presence of the virus in salivary glands could augment the antibody response that conversely might be responsible for a reduction of viremia. This study expanded our understanding of RCMV pathogenesis leading to improved therapeutic and preventive treatment regimens particularly for the neonatal Human cytomegalovirus (HCMV) infections. Additionally, the detection procedures developed in this study such as DAS-ELISA and real-time PCR could serve as alternative techniques for rapid screening of large number of samples.
Keywords: DAS-ELISA; indirect ELISA; newborn rats; pathogenesis; Rat cytomegalovirus; real-time PCR
Year: 2007, Volume: 51, Issue: Page From: 27, Page To: 33
Price: 16.80 €





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