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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+Immunol
2017 ; 199
(1
): 186-203
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Bolstering the Number and Function of HSV-1-Specific CD8(+) Effector Memory T
Cells and Tissue-Resident Memory T Cells in Latently Infected Trigeminal Ganglia
Reduces Recurrent Ocular Herpes Infection and Disease
#MMPMID28539429
Khan AA
; Srivastava R
; Chentoufi AA
; Kritzer E
; Chilukuri S
; Garg S
; Yu DC
; Vahed H
; Huang L
; Syed SA
; Furness JN
; Tran TT
; Anthony NB
; McLaren CE
; Sidney J
; Sette A
; Noelle RJ
; BenMohamed L
J Immunol
2017[Jul]; 199
(1
): 186-203
PMID28539429
show ga
HSV type 1 (HSV-1) is a prevalent human pathogen that infects >3.72 billion
individuals worldwide and can cause potentially blinding recurrent corneal
herpetic disease. HSV-1 establishes latency within sensory neurons of trigeminal
ganglia (TG), and TG-resident CD8(+) T cells play a critical role in preventing
its reactivation. The repertoire, phenotype, and function of protective CD8(+) T
cells are unknown. Bolstering the apparent feeble numbers of CD8(+) T cells in TG
remains a challenge for immunotherapeutic strategies. In this study, a
comprehensive panel of 467 HLA-A*0201-restricted CD8(+) T cell epitopes was
predicted from the entire HSV-1 genome. CD8(+) T cell responses to these
genome-wide epitopes were compared in HSV-1-seropositive symptomatic individuals
(with a history of numerous episodes of recurrent herpetic disease) and
asymptomatic (ASYMP) individuals (who are infected but never experienced any
recurrent herpetic disease). Frequent polyfunctional HSV-specific
IFN-?(+)CD107(a/b+)CD44(high)CD62L(low)CD8(+) effector memory T cells were
detected in ASYMP individuals and were primarily directed against three "ASYMP"
epitopes. In contrast, symptomatic individuals have more monofunctional
CD44(high)CD62L(high)CD8(+) central memory T cells. Furthermore, therapeutic
immunization with an innovative prime/pull vaccine, based on priming with
multiple ASYMP epitopes (prime) and neurotropic TG delivery of the T
cell-attracting chemokine CXCL10 (pull), boosted the number and function of
CD44(high)CD62L(low)CD8(+) effector memory T cells and CD103(high)CD8(+)
tissue-resident T cells in TG of latently infected HLA-A*0201-transgenic mice and
reduced recurrent ocular herpes following UV-B-induced reactivation. These
findings have profound implications in the development of T cell-based
immunotherapeutic strategies to treat blinding recurrent herpes infection and
disease.