Amarantus BioScience Holdings, Inc. operates as a biopharmaceutical firm, concentrating on creating innovative diagnostic tools and therapeutic solutions. Its primary focus areas encompass neurological disorders, psychiatric conditions, eye-related ailments (ophthalmology), and regenerative medicine. The company's diagnostic pipeline includes the LymPro test, a blood-based diagnostic designed to detect Alzheimer's disease by analyzing lymphocyte proliferation, and MSPrecise, a proprietary DNA sequencing assay aimed at identifying individuals with multiple sclerosis.