DHA inhibits the Orai1 channel (IMAGE) Toho University Caption DHA has previously been shown to inhibit voltage-dependent Ca2+ channels (VDCCs). The research group found a new pharmacological action of DHA to inhibit the Orai1 channel, which is one of store-operated Ca2+ channels (SOCCs). Credit Dr. Keisuke Obara Usage Restrictions None License Original content 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.