BNIP3- and BNIP3L-Mediated Mitophagy Promotes the Generation of Natural Killer Cell Memory.
BNIP3- and BNIP3L-Mediated Mitophagy Promotes the Generation of Natural Killer Cell Memory.
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DOI:
10.1016/j.immuni.2015.07.012
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发表时间:
2015-08-18
期刊:
影响因子:
32.4
通讯作者:
Sun JC
中科院分区:
文献类型:
--
作者:
O'Sullivan TE;Johnson LR;Kang HH;Sun JC
Natural killer (NK) cells are innate lymphocytes that possess traits of adaptive immunity, such as clonal expansion, contraction, and generation of long-lived “memory” cells, processes poorly understood at the molecular level. Here, we found that as proliferating NK cells accumulated dysfunctional mitochondria during viral infection, a protective mitophagy pathway was induced during the contraction phase to promote their survival in a reactive oxygen species (ROS)-dependent manner. Inhibition of mechanistic target of rapamycin (mTOR) or activation of AMP-activated protein kinase (AMPK) during the contraction-to-memory phase transition of the antiviral response increased autophagic activity and enhanced memory NK cell numbers through an Atg3-dependent mechanism. Furthermore, we demonstrated a temporally regulated role for mitophagy-inducing proteins BCL2/adenovirus E1B 19-kDa interacting protein 3 (BNIP3) and BNIP3-like (BNIP3L) in the generation of robust NK cell memory. Thus, our study reveals the functional importance of mitophagy during the dynamic response of these cytolytic innate lymphocytes. After viral infection, the majority of effector lymphocytes undergo rapid apoptosis. However, it is unclear how a subset of these cells persist to form immunological memory. Sun and colleagues demonstrate that mitophagy promotes the survival of virus-specific NK cells during the contraction phase to promote memory.
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影响因子:
30.5
作者:
通讯作者:
--
DOI:
10.4049/jimmunol.1303211
发表时间:
2014-05-15
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Hendricks DW;Balfour HH Jr;Dunmire SK;Schmeling DO;Hogquist KA;Lanier LL
通讯作者:
Lanier LL
影响因子:
21.3
作者:
通讯作者:
--
DOI:
10.4049/jimmunol.181.9.6394
发表时间:
2008-11-01
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Fodil-Cornu N;Lee SH;Belanger S;Makrigiannis AP;Biron CA;Buller RM;Vidal SM
通讯作者:
Vidal SM
影响因子:
64.5
作者:
Karo JM;Schatz DG;Sun JC
通讯作者:
Sun JC