SAN DIEGO, May 27, 2020 (GLOBE NEWSWIRE) -- Histogen Inc. (NASDAQ: HSTO), a regenerative medicine company with a novel biological platform that replaces and regenerates tissues in the body, announced today the completion of its previously disclosed merger with Conatus Pharmaceuticals Inc. The combined company changed its name to Histogen Inc. and will focus on developing patented technologies that replace and regenerate tissues in the body. Histogen is expected to begin trading today, May 27,...