Investigation on 2',3'-O-Substituted ATP Derivatives and Analogs as Novel P2X3 Receptor Antagonists.

ABSTRACT: Antagonists of the purinergic P2X3 receptors represent promising drugs for the treatment of inflammation and pain. The ATP derivative 2',3'-O-(2,4,6-trinitrophenyl)-ATP (TNP-ATP) has been described as a potent competitive inhibitor of this receptor. In this work, the design and synthesis of novel TNP-ATP analogues bearing alkyl groups in the 2',3'-position are reported. These compounds were biologically evaluated as P2X3 antagonists using the patch clamp recording technique on mouse trigeminal ganglionic sensory neurons. Some of the compounds showed nanomolar inhibitory potency for the P2X3 receptor. Further modification of these derivatives was made by substitution of the triphosphate chain with different acidic groups. All compounds were additionally tested at five human P2X recep

SUBMITTER: Dal Ben D 

PROVIDER: S-EPMC6466514 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature