Seahorse Bioscience (Billerica, MA) commercial-stage providers of instruments for cellular bioenergetic measurements for better understanding of the role of mitochondrial function in obesity, diabetes, ageing, cancer, cardiovascular function and safety toxicity, closed a $5M Series D financing. Participants include Commonwealth Capital Ventures, Rock Maple Ventures, Life Sciences Partners, Oxford Bioscience Partners, Healthcare Ventures, New Science Ventures and HLM Venture Partners.