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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Clin+Invest
2018 ; 128
(4
): 1627-1640
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The anti-caspase inhibitor Q-VD-OPH prevents AIDS disease progression in
SIV-infected rhesus macaques
#MMPMID29553486
Laforge M
; Silvestre R
; Rodrigues V
; Garibal J
; Campillo-Gimenez L
; Mouhamad S
; Monceaux V
; Cumont MC
; Rabezanahary H
; Pruvost A
; Cordeiro-da-Silva A
; Hurtrel B
; Silvestri G
; Senik A
; Estaquier J
J Clin Invest
2018[Apr]; 128
(4
): 1627-1640
PMID29553486
show ga
Apoptosis has been proposed as a key mechanism responsible for CD4+ T cell
depletion and immune dysfunction during HIV infection. We demonstrated that
Q-VD-OPH, a caspase inhibitor, inhibits spontaneous and activation-induced death
of T cells from SIV-infected rhesus macaques (RMs). When administered during the
acute phase of infection, Q-VD-OPH was associated with (a) reduced levels of T
cell death, (b) preservation of CD4+/CD8+ T cell ratio in lymphoid organs and in
the gut, (c) maintenance of memory CD4+ T cells, and (d) increased specific CD4+
T cell response associated with the expression of cytotoxic molecules. Although
therapy was limited to the acute phase of infection, Q-VD-OPH-treated RMs showed
lower levels of both viral load and cell-associated SIV DNA as compared with
control SIV-infected RMs throughout the chronic phase of infection, and prevented
the development of AIDS. Overall, our data demonstrate that Q-VD-OPH injection in
SIV-infected RMs may represent an adjunctive therapeutic agent to control HIV
infection and delaying disease progression to AIDS.