Molecular Sciences Institute | 222 followers on LinkedIn. The Molecular Sciences Institute (MSI) is an independent, non-profit 501(c)(3) research laboratory and business incubator. MSI was created to integrate science across many disciplines in order to make radical leaps in our ability to understand the disease process, including rare diseases, infectious disease and cancer, in both developed and the developing world. Our major platform is the molecular basis of our human and environmental microbiome and its relationship to our immune system, stem cells and cancer.