Metabolic reprogramming contributes to dynamic alteration of cell functions and characteristics. In T cells, TCR-mediated signaling evokes metabolic reprogramming and autophagy. AMBRA1 is known to serve in the facilitation of autophagy and quality control of mitochondria, but the role of AMBRA1 in T cell metabolic alteration is unknown. Here, we show that AMBRA1, but not ATG7, plays a role in TCR-mediated control of glycolytic factors and mitochondrial mass, while both AMBRA1 and ATG7 are required for autolysosome formation. Our results suggested that AMBRA1 is a core factor that controls both autophagy and metabolic regulation.
Biochemical and Biophysical Research Communications – Elsevier
Published: Sep 30, 2017
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