نتایج جستجو برای: tropism
تعداد نتایج: 4548 فیلتر نتایج به سال:
An alteration of tissue tropism of a Coxsackie virus has been observed following different methods of propagation of the virus in animals. Tropism for the adult mouse pancreas, as described by Pappenheimer, appeared to be irrevocably lost following prolonged brain-to-brain transfer. It was present in the same strain on reisolation from human feces, was intensified following pancreas transfers, ...
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .i Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Chapter 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Making Robot Programming Easier . . . . . . . . . . ...
Human cytomegalovirus (HCMV) strains were investigated to identify those with altered tropism for endothelial cells. In viral replication kinetics analysis, HCMV strain Toledo replicated poorly in aortic endothelial cells (AECs), and the virus count was reduced by 2-3 log units, in comparison with strain AD169. Virus entry at the cell surface for each strain was equivalent. However, immunofluor...
Human immunodeficiency virus type 1 (HIV-1) is tropic and pathogenic only for humans, and does not replicate in macaque monkeys routinely used for experimental infections. This specially narrow host range (species tropism) has impeded much the progress of HIV-1/acquired immunodeficiency syndrome (AIDS) basic research. Extensive studies on the underlying mechanism have revealed that Vif, one of ...
To investigate the in vivo cellular tropism of human T cell leukemia virus type II (HTLV-II), subpopulations of fresh peripheral blood mononuclear cells from infected individuals were isolated and analyzed by polymerase chain reaction for the presence of provirus. In eight of nine patients, HTLV-II was detected exclusively in the CD8+ T lymphocyte population. In the remaining patient, provirus ...
Virotherapy of cancer using oncolytic adenoviruses has shown promise in both preclinical and clinical settings. One important challenge to reach the full therapeutic potential of oncolytic adenoviruses is accomplishing efficient infection of cancer cells and avoiding uptake by normal tissue through tropism modification. Towards this goal, we constructed and characterized an oncolytic adenovirus...
A switch of HIV coreceptor usage from CCR5 to CXCR4 occurs in AIDS pathogenesis and may play a critical role in the use of entry inhibitors. To determine the potential usefulness of maraviroc and other CCR5 antagonists among drug-naive and experienced patients in Kenya, the env-C2-V3 gene was successfully sequenced in samples from 176 (98 men and 78 female) consenting subjects between January 2...
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