Proposed pathway for regulated ATP release from human erythrocytes

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Proposed pathway for regulated ATP release from human erythrocytes Proposed pathway for regulated ATP release from human erythrocytes. ?, an as yet unidentified conduit for ATP release; +, stimulation; CFTR, cystic fibrosis transmembrane conductance regulator; MAS7, mastoparan 7; P2Y, P2Y purinergic receptor; PKA, protein kinase A. Proposed pathway for regulated ATP release from human erythrocytes. ?, an as yet unidentified conduit for ATP release; +, stimulation; CFTR, cystic fibrosis transmembrane conductance regulator; MAS7, mastoparan 7; P2Y, P2Y purinergic receptor; PKA, protein kinase A. Randy S. Sprague et al. Diabetes 2006;55:3588-3593 ©2006 by American Diabetes Association