The growth equity arm of buyout firm TPG Capital LP has invested $75 million in life sciences services company Precision for Medicine, according to people familiar with the matter, the latest in a string of TPG investments in the healthcare sector. Based in Bethesda, Maryland, Precision for Medicine helps pharmaceutical and life sciences companies develop and commercialize new drugs. The company was founded in 2013 by healthcare executives Ethan Leder and Mark Clein with $150 million in financing led by investment firms Oak Investment Partners, J.H. Whitney and Company, and LCI Capital. TPG has invested steadily in the healthcare sector...