Merck & Co. (NSDQ:MRNA) scientists have explored fighting cancer by way of the STING (stimulator of interferon genes)-controlled innate immune pathway. Now, the company has published research in Advanced Therapeutics detailing a preclinical study with its partner Vesselon Inc. that reported impressive pharmacokinetics results related to MSA-1, a STING agonist. The researchers found that low…