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The activation of T-cell by the dendritic cells is associated with __________________(a) increase in magnesium ions(b) decrease in magnesium ions(c) increase in calcium ions(d) decrease in calcium ionsI had been asked this question in homework.I'd like to ask this question from Immune Response in section Immune Response of Cell Biology

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Right ANSWER is (c) increase in CALCIUM ions

To explain I would SAY: When the antigen-presenting cells – dendritic cells display fragments of antigens on their surface in the lymph nodes, the binding with a particular T-cell receptor occurs that leads to activation of the latter. The activation is ASSOCIATED with a TRANSIENT increase in cytosolic calcium concentration.


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