Protein biomarker diagnostics firm Astute Medical this week said it had completed a Series C financing round that raised $40.4 million.

The funding will go toward the commercialization of Astute's first product and to expand its research, development, and validation of biomarker-based laboratory tests.

The round was led by MPM Capital and new investor Kaiser Permanente Ventures. Other participants included De Novo Ventures, Delphi Ventures, Domain Associates, and Johnson & Johnson Development.