STING-dependent type I IFN production inhibits cell-mediated immunity to Listeria monocytogenes.
Infection with Listeria monocytogenes strains that enter the host cell cytosol leads to a robust cytotoxic T cell response resulting in long-lived cell-mediated immunity (CMI). Upon entry into the cytosol, L. monocytogenes secretes cyclic diadenosine monophosphate (c-di-AMP) which activates the inna...
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2014-01-01
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doaj-c57e17acd30e421ca19c54697ae00a2b2020-11-24T21:26:04ZengPublic Library of Science (PLoS)PLoS Pathogens1553-73661553-73742014-01-01101e100386110.1371/journal.ppat.1003861STING-dependent type I IFN production inhibits cell-mediated immunity to Listeria monocytogenes.Kristina A ArcherJuliana DurackDaniel A PortnoyInfection with Listeria monocytogenes strains that enter the host cell cytosol leads to a robust cytotoxic T cell response resulting in long-lived cell-mediated immunity (CMI). Upon entry into the cytosol, L. monocytogenes secretes cyclic diadenosine monophosphate (c-di-AMP) which activates the innate immune sensor STING leading to the expression of IFN-β and co-regulated genes. In this study, we examined the role of STING in the development of protective CMI to L. monocytogenes. Mice deficient for STING or its downstream effector IRF3 restricted a secondary lethal challenge with L. monocytogenes and exhibited enhanced immunity that was MyD88-independent. Conversely, enhancing STING activation during immunization by co-administration of c-di-AMP or by infection with a L. monocytogenes mutant that secretes elevated levels of c-di-AMP resulted in decreased protective immunity that was largely dependent on the type I interferon receptor. These data suggest that L. monocytogenes activation of STING downregulates CMI by induction of type I interferon.http://europepmc.org/articles/PMC3879373?pdf=render |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Kristina A Archer Juliana Durack Daniel A Portnoy |
spellingShingle |
Kristina A Archer Juliana Durack Daniel A Portnoy STING-dependent type I IFN production inhibits cell-mediated immunity to Listeria monocytogenes. PLoS Pathogens |
author_facet |
Kristina A Archer Juliana Durack Daniel A Portnoy |
author_sort |
Kristina A Archer |
title |
STING-dependent type I IFN production inhibits cell-mediated immunity to Listeria monocytogenes. |
title_short |
STING-dependent type I IFN production inhibits cell-mediated immunity to Listeria monocytogenes. |
title_full |
STING-dependent type I IFN production inhibits cell-mediated immunity to Listeria monocytogenes. |
title_fullStr |
STING-dependent type I IFN production inhibits cell-mediated immunity to Listeria monocytogenes. |
title_full_unstemmed |
STING-dependent type I IFN production inhibits cell-mediated immunity to Listeria monocytogenes. |
title_sort |
sting-dependent type i ifn production inhibits cell-mediated immunity to listeria monocytogenes. |
publisher |
Public Library of Science (PLoS) |
series |
PLoS Pathogens |
issn |
1553-7366 1553-7374 |
publishDate |
2014-01-01 |
description |
Infection with Listeria monocytogenes strains that enter the host cell cytosol leads to a robust cytotoxic T cell response resulting in long-lived cell-mediated immunity (CMI). Upon entry into the cytosol, L. monocytogenes secretes cyclic diadenosine monophosphate (c-di-AMP) which activates the innate immune sensor STING leading to the expression of IFN-β and co-regulated genes. In this study, we examined the role of STING in the development of protective CMI to L. monocytogenes. Mice deficient for STING or its downstream effector IRF3 restricted a secondary lethal challenge with L. monocytogenes and exhibited enhanced immunity that was MyD88-independent. Conversely, enhancing STING activation during immunization by co-administration of c-di-AMP or by infection with a L. monocytogenes mutant that secretes elevated levels of c-di-AMP resulted in decreased protective immunity that was largely dependent on the type I interferon receptor. These data suggest that L. monocytogenes activation of STING downregulates CMI by induction of type I interferon. |
url |
http://europepmc.org/articles/PMC3879373?pdf=render |
work_keys_str_mv |
AT kristinaaarcher stingdependenttypeiifnproductioninhibitscellmediatedimmunitytolisteriamonocytogenes AT julianadurack stingdependenttypeiifnproductioninhibitscellmediatedimmunitytolisteriamonocytogenes AT danielaportnoy stingdependenttypeiifnproductioninhibitscellmediatedimmunitytolisteriamonocytogenes |
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