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Most Popular in Pharmaceuticals
Mantra Bio, a San Francisco–based start-up quietly founded in 2016, has raised $25 million in series A financing to develop exosome-based therapies. Exosomes are lipid vesicles, released from cells, that usually contain RNA or proteins. Mantra is one of a number of start-ups looking to hijack exosomes for drug delivery. The firm specializes in discovering and engineering exosomes that can target specific cells or tissues in the body.
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