試題詳解

26. T cell activation requires the formation of a transient cell-cell contact called immunological synapse between T cell and dendritic cells (DCs). Activated I cells synthesize and secrete interleukin-2 (IL-2) for the proliferation and differentiation of T cells. What is this is an example of?
(A) synaptic signaling
(B) autocrine signaling
(C) endocrine signaling
(D) paracrine signaling
(E)juxtacrine signaling