Vc1.1 Reduces Pain (image) Rockefeller University Press Caption This schematic shows the proposed mechanism by which the cone snail venom Vc1.1 reduces pain sensation through indirect inhibition of R-type (Cav2.3) neuronal voltage-gated calcium channels. Credit Rittenhouse, 2014 Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.