The importance of Ca2+ microdomains for the adaptive immune response
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The importance of Ca2+ microdomains for the adaptive immune response. / Diercks, Björn-Philipp.
In: BBA-MOL CELL RES, Vol. 1871, No. 5, 06.2024, p. 119710.Research output: SCORING: Contribution to journal › SCORING: Review article › Research
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TY - JOUR
T1 - The importance of Ca2+ microdomains for the adaptive immune response
AU - Diercks, Björn-Philipp
N1 - Copyright © 2024. Published by Elsevier B.V.
PY - 2024/6
Y1 - 2024/6
N2 - Calcium signaling stands out as the most widespread and universally used signaling system and is of utmost importance for immunity. Controlled elevations in cytosolic and organellar Ca2+ concentrations in T cells control complex and essential effector functions including proliferation, differentiation, cytokine secretion, and cytotoxicity, among others. Additionally, disruptions in Ca2+ regulation in T cells contribute to diverse autoimmune, inflammatory, and immunodeficiency conditions. Among the initial intracellular signals, which occurring even before T cell receptor (TCR) stimulation are highly localized, spatially and temporally restricted so-called Ca2+ microdomains, caused by adhesion to extracellular matrix proteins (ECM proteins). The Ca2+ microdomains present both before and within the initial seconds following TCR stimulation are likely to play a crucial role in fine-tuning the downstream activity of T cell activation and thus, shaping an adaptive immune response. In this review, the emphasis is on the recent advances of adhesion-dependent Ca2+ microdomains (ADCM) in the absence of TCR stimulation, initial Ca2+ microdomains evoked by TCR stimulation (TDCM), the downstream signaling processes as well as possible therapeutic targets for interventions.
AB - Calcium signaling stands out as the most widespread and universally used signaling system and is of utmost importance for immunity. Controlled elevations in cytosolic and organellar Ca2+ concentrations in T cells control complex and essential effector functions including proliferation, differentiation, cytokine secretion, and cytotoxicity, among others. Additionally, disruptions in Ca2+ regulation in T cells contribute to diverse autoimmune, inflammatory, and immunodeficiency conditions. Among the initial intracellular signals, which occurring even before T cell receptor (TCR) stimulation are highly localized, spatially and temporally restricted so-called Ca2+ microdomains, caused by adhesion to extracellular matrix proteins (ECM proteins). The Ca2+ microdomains present both before and within the initial seconds following TCR stimulation are likely to play a crucial role in fine-tuning the downstream activity of T cell activation and thus, shaping an adaptive immune response. In this review, the emphasis is on the recent advances of adhesion-dependent Ca2+ microdomains (ADCM) in the absence of TCR stimulation, initial Ca2+ microdomains evoked by TCR stimulation (TDCM), the downstream signaling processes as well as possible therapeutic targets for interventions.
U2 - 10.1016/j.bbamcr.2024.119710
DO - 10.1016/j.bbamcr.2024.119710
M3 - SCORING: Review article
C2 - 38522726
VL - 1871
SP - 119710
JO - BBA-MOL CELL RES
JF - BBA-MOL CELL RES
SN - 0167-4889
IS - 5
ER -