NDLI: Cell-to-cell infection by HIV contributes over half of virus infection

Content Provider	PubMed Central
Author	Iwami, Shingo Takeuchi, Junko S. Nakaoka, Shinji Mammano, Fabrizio Clavel, François Inaba, Hisashi Kobayashi, Tomoko Misawa, Naoko Aihara, Kazuyuki Koyanagi, Yoshio Sato, Kei
Editor	Chakraborty, Arup K.
Copyright Year	2015
Abstract	Cell-to-cell viral infection, in which viruses spread through contact of infected cell with surrounding uninfected cells, has been considered as a critical mode of virus infection. However, since it is technically difficult to experimentally discriminate the two modes of viral infection, namely cell-free infection and cell-to-cell infection, the quantitative information that underlies cell-to-cell infection has yet to be elucidated, and its impact on virus spread remains unclear. To address this fundamental question in virology, we quantitatively analyzed the dynamics of cell-to-cell and cell-free human immunodeficiency virus type 1 (HIV-1) infections through experimental-mathematical investigation. Our analyses demonstrated that the cell-to-cell infection mode accounts for approximately 60% of viral infection, and this infection mode shortens the generation time of viruses by 0.9 times and increases the viral fitness by 3.9 times. Our results suggest that even a complete block of the cell-free infection would provide only a limited impact on HIV-1 spread.
Related Links	http://dx.doi.org/10.7554/elife.08150
Starting Page	8150
File Format	PDF
ISSN	2050084X
e-ISSN	2050084X
Journal	eLife
Volume Number	4
Language	English
Publisher	eLife Sciences Publications, Ltd
Publisher Date	2015-10-01
Access Restriction	Open
Rights Holder	eLife Sciences Publications, Ltd
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Neuroscience Immunology and Microbiology Medicine Biochemistry, Genetics and Molecular Biology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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