P593: T-CELL DYSFUNCTION BY PSEUDOHYPOXIA AND AUTOCRINE PURINERGIC SIGNALING IN CHRONIC LYMPHOCYTIC LEUKEMIA - Chiara Montironi; Chaja F Jacobs; Gaspard Cretenet; Fleur Peters; Arnon Kater; Helga Simon-Molas; Eric Eldering (HemaSphere, 2023)