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Life and death in peripheral T cells

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TLDR
The concepts of activation-induced cell death (AICD) and activated cell-autonomous death (ACAD) in the regulation of life and death in T cells are discussed.
Abstract
During the course of an immune response, antigen-reactive T cells clonally expand and then are removed by apoptosis to maintain immune homeostasis. Life and death of T cells is determined by multiple factors, such as T-cell receptor triggering, co-stimulation or cytokine signalling, and by molecules, such as caspase-8 (FLICE)-like inhibitory protein (FLIP) and haematopoietic progenitor kinase 1 (HPK1), which regulate the nuclear factor-kappaB (NF-kappaB) pathway. Here, we discuss the concepts of activation-induced cell death (AICD) and activated cell-autonomous death (ACAD) in the regulation of life and death in T cells.

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Expression of complement C3, C5, C3aR and C5aR1 genes in resting and activated CD4+ T cells

TL;DR: There is a baseline intracellular expression of the complement C3, C5, C3aR and C5aR1 genes in normal CD4+ T cells, but that expression is not increased during T-cell activation, but rather down regulated.
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SH2D2A Modulates T Cell Mediated Protection to a B Cell Derived Tumor in Transgenic Mice

TL;DR: Results suggest a modulatory role for SH2D2A in T cell mediated immune surveillance of cancer, however, it remains to be established whether its effect is T-cell intrinsic.
Journal Article

Role of apoptosis-inducing factor (Aif) in the T cell lineage

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Mitochondrial reactive oxygen is critical for IL-12/IL-18-induced IFN-γ production by CD4+ T cells and is regulated by Fas/FasL signaling

TL;DR: In this paper , the authors found that mROS are required for IL-12 plus IL-18-driven production of IFN-γ, an essential cytokine for inflammatory and autoimmune disease development.
References
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Journal ArticleDOI

Caspases: Enemies Within

TL;DR: This work has shown that understanding caspase regulation is intimately linked to the ability to rationally manipulate apoptosis for therapeutic gain.
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Death receptors: signaling and modulation

Avi Ashkenazi, +1 more
- 28 Aug 1998 - 
TL;DR: Apoptosis is a cell suicide mechanism that enables metazoans to control cell number in tissues and to eliminate individual cells that threaten the animal's survival.
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Proapoptotic BAX and BAK: A Requisite Gateway to Mitochondrial Dysfunction and Death

TL;DR: In this article, the authors found that doubly deficient cells are resistant to multiple apoptotic stimuli that act through disruption of mitochondrial function: staurosporine, ultraviolet radiation, growth factor deprivation, etoposide, and the endoplasmic reticulum stress stimuli thapsigargin and tunicamycin.
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Signaling to NF-kappaB.

TL;DR: An overview of established NF-kappaB signaling pathways is provided with focus on the current state of research into the mechanisms that regulate IKK activation and NF- kappaB transcriptional activity.
Journal ArticleDOI

Missing Pieces in the NF-κB Puzzle

TL;DR: In this paper, a review of recent progress as well as unanswered questions regarding the regulation and function of NF-kappaB and IKK is presented, focusing on recent progress and unanswered questions.
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