Chroma Medicine Inc. closed a $135 million series B round as momentum builds at one of the early movers in the emerging field of epigenetic editing. It’s little more a year since Cambridge, Mass.-based Chroma emerged from stealth by disclosing a $125 million series A round and a stellar line-up of company founders. “It’s not all that long ago, but we have made a huge amount of progress,” CEO Catherine Stehman-Breen told BioWorld.