Title : ATP is an essential autocrine factor for pancreatic β-cell signaling and insulin secretion.

Pub. Date : 2022 Jan

PMID : 35001557






5 Functional Relationships(s)
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1 ATP is an essential autocrine factor for pancreatic beta-cell signaling and insulin secretion. Adenosine Triphosphate insulin Homo sapiens
2 ATP has been previously identified as an autocrine signaling factor that is co-released with insulin to modulate and propagate beta-cell activity within islets of Langerhans. Adenosine Triphosphate insulin Homo sapiens
3 Here, we show that beta-cell activity and insulin secretion essentially rely on the presence of extracellular ATP. Adenosine Triphosphate insulin Homo sapiens
4 Extensive washing of cells or depletion of extracellular ATP levels by recombinant apyrase reduced (Ca2+ )i oscillations and insulin secretion in pancreatic cell lines and primary beta-cells. Adenosine Triphosphate insulin Homo sapiens
5 Inhibition of endogenous ecto-ATP nucleotidases increased extracellular ATP levels, along with (Ca2+ )i oscillations and insulin secretion, indicating that there is a constant supply of ATP to the extracellular space. Adenosine Triphosphate insulin Homo sapiens