【摘 要】
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Background Murine cytomegalovirus (MCMV) early protein M112-113 is involved in viral DNA replication and believed to play a crucial role in the viral pathogene
【机 构】
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Department of Pediatrics
【基金项目】
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This study was supported by a grant from National Natural Science Foundation of China
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Background Murine cytomegalovirus (MCMV) early protein M112-113 is involved in viral DNA replication and believed to play a crucial role in the viral pathogenesis.To investigate the biological function of M112-113 protein in the pathogenesis of the brain disorders caused by cytomegalovirus (CMV),a screening for proteins interacting with M112-113 was performed by a yeast two-hybrid system.Methods Bait plasmid pGBKT7-M112-113 was constructed and transformed into AH109 yeast.After confirmation of the expression of MCMV M112-113 in yeast,the bait yeast was mated with a prey yeast containing mouse brain cDNA library plasmid to screen the proteins interacting with M112-113.Interactions between M112-113 and the obtained proteins were verified by yeast two-hybrid assay and chemiluminescent co-immunoprecipitaion.Results Two proteins interacting with M112-113 were identified,including metastasis-associated 1 (MTA1) and zinc finger,CCHC domain containing 18 (ZCCHC18).M112-113 protein could interact with MTA1 or ZCCHC18 in yeast and mammalian cells.Conclusion The interactions of M112-113 with MTA1 or ZCCHC18 may be related to the pathogenesis of MCMV-associated disease in central nervous system.
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