384. Species B Adenovirus and Hematopoietic Cells Revisited
نویسندگان
چکیده
منابع مشابه
384 Subpopulation of B Cells
The functional properties of T and B lymphocytes and the nature of their participation in the immune response have been elucidated to a large extent in recent years (1). Evidence of functional heterogeneity within the T-cell compartment has been garnered by utilizing surface markers which distinguish subsets of cells (2). Although B cells also carry distinctive surface markers, evidence of func...
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We recently characterized the domains of the human cofactor protein CD46 involved in binding species B2 adenovirus (Ad) serotype 35. Here, the CD46 binding determinants are mapped for the species B1 Ad serotypes 3 and 7 and for the species B2 Ad11. Ad3, 7 and 11 bound and transduced CD46-positive rodent BHK cells at levels similar to Ad35. By using antibody-blocking experiments, hybrid CD46-CD4...
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We have examined the ability of recombinant adenoviral vectors to transduce human hematopoietic cells. Our findings indicate that adenovirus readily infects a large proportion of CD34+ cells. Using adenovirus vectors that transduce either a lacZ or an alkaline phosphatase reporter gene, we observed up to 45% of total CD34+ cells infected. Upon more detailed analysis, we observed comparable leve...
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Adenovirus infection of hematopoietic cells frequently requires high virus concentrations and long incubation times to obtain moderate infection levels because these cells have low levels of Coxsackie and adenovirus receptor (CAR) and alpha(v) integrin. The effect of treatment with FR901228 (depsipeptide), a histone deacetylase inhibitor in phase 2 clinical trials, was studied in K562 cells, gr...
متن کاملStructural variations in species B adenovirus fibers impact CD46 association.
A majority of species B adenoviruses (Ads) use CD46 as their primary receptor; however, the precise mechanisms involved in the binding of different Ad types to CD46 have not been resolved. Although previous studies indicate close similarities between two members of species B2 Ads in their usage of CD46, our current investigations revealed a surprisingly low CD46 binding affinity of the species ...
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ژورنال
عنوان ژورنال: Molecular Therapy
سال: 2006
ISSN: 1525-0016
DOI: 10.1016/j.ymthe.2006.08.444