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2017 ; 7
(1
): 3053
Nephropedia Template TP
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Recombinant human plasma phospholipid transfer protein (PLTP) to prevent
bacterial growth and to treat sepsis
#MMPMID28596518
Deckert V
; Lemaire S
; Ripoll PJ
; de Barros JP
; Labbé J
; Borgne CC
; Turquois V
; Maquart G
; Larose D
; Desroche N
; Ménétrier F
; Le Guern N
; Lebrun LJ
; Desrumaux C
; Gautier T
; Grober J
; Thomas C
; Masson D
; Houdebine LM
; Lagrost L
Sci Rep
2017[Jun]; 7
(1
): 3053
PMID28596518
show ga
Although plasma phospholipid transfer protein (PLTP) has been mainly studied in
the context of atherosclerosis, it shares homology with proteins involved in
innate immunity. Here, we produced active recombinant human PLTP (rhPLTP) in the
milk of new lines of transgenic rabbits. We successfully used rhPLTP as an
exogenous therapeutic protein to treat endotoxemia and sepsis. In mouse models
with injections of purified lipopolysaccharides or with polymicrobial infection,
we demonstrated that rhPLTP prevented bacterial growth and detoxified LPS. In
further support of the antimicrobial effect of PLTP, PLTP-knocked out mice were
found to be less able than wild-type mice to fight against sepsis. To our
knowledge, the production of rhPLTP to counter infection and to reduce
endotoxemia and its harmful consequences is reported here for the first time.
This paves the way for a novel strategy to satisfy long-felt, but unmet needs to
prevent and treat sepsis.
|Animals
[MESH]
|Anti-Infective Agents/pharmacology/*therapeutic use
[MESH]
|Mice
[MESH]
|Mice, Inbred C57BL
[MESH]
|Phospholipid Transfer Proteins/pharmacology/*therapeutic use
[MESH]
|Rabbits
[MESH]
|Recombinant Proteins/pharmacology/therapeutic use
[MESH]