 SAN DIEGO, Oct. 12, 2021 GLOBE NEWSWIRE -- Prometheus Biosciences, Inc. Nasdaq: RXDX, today announced that Mark McKenna, Chairman and Chief Executive Officer and Allison Luo, M.D., Chief Medical Officer, will participate in a fireside chat at the Jefferies Virtual Next Generation IBD Therapeutics Summit on Tuesday, October 19, 2021 at 11:30 a.m. ET. 