alexa Internalization of human immunodeficiency virus type I and other retroviruses by megakaryocytes and platelets.
Bioinformatics & Systems Biology

Bioinformatics & Systems Biology

Journal of Proteomics & Bioinformatics

Author(s): ZuckerFranklin D, Seremetis S, Zheng ZY

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Abstract Direct infection of megakaryocytes and platelets by human immunodeficiency virus type I (HIV-I) or other retroviruses has not been demonstrated. To determine whether this could occur, murine bone marrow was co-cultivated with the amphotropic retrovirus-producing cell line PA317-N2, and freshly isolated normal human bone marrow and platelets were co-cultivated with HIV-infected H9 cells. In each case, ultrastructural analyses showed viruses within megakaryocytes and platelets. In murine specimens, the uptake of retrovirus was avid at all stages of differentiation. In human specimens, viral uptake was less frequent. These results suggest that direct infection of megakaryocytes could play a role in the pathophysiology of HIV-associated disease. In addition, these observations suggest that cells of the megakaryocyte lineage could serve as target cells in gene transfer experiments using retroviral-based vectors.
This article was published in Blood and referenced in Journal of Proteomics & Bioinformatics

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