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2015 ; 6
(8
): e1846
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Syncytial apoptosis signaling network induced by the HIV-1 envelope glycoprotein
complex: an overview
#MMPMID26247731
Nardacci R
; Perfettini JL
; Grieco L
; Thieffry D
; Kroemer G
; Piacentini M
Cell Death Dis
2015[Aug]; 6
(8
): e1846
PMID26247731
show ga
Infection by human immunodeficiency virus-1 (HIV-1) is associated with a
progressive decrease in CD4 T-cell numbers and the consequent collapse of host
immune defenses. The major pathogenic mechanism of AIDS is the massive apoptotic
destruction of the immunocompetent cells, including uninfected cells. The latter
process, also known as by-stander killing, operates by various mechanisms one of
which involves the formation of syncytia which undergo cell death by following a
complex pathway. We present here a detailed and curated map of the syncytial
apoptosis signaling network, aimed at simplifying the whole mechanism that we
have characterized at the molecular level in the last 15 years. The map was
created using Systems Biology Graphical Notation language with the help of
CellDesigner software and encompasses 36 components (proteins/genes) and 54
interactions. The simplification of this complex network paves the way for the
development of novel therapeutic strategies to eradicate HIV-1 infection. Agents
that induce the selective death of HIV-1-elicited syncytia might lead to the
elimination of viral reservoirs and hence constitute an important complement to
current antiretroviral therapies.