“We are tantalizingly close to being able to actually claim some success.” In a recent Nature paper, Daley and colleagues generated a mix of human blood stem and progenitor cells, bringing scientists closer than ever before to being able to make patient-specific blood stem cells. Transplant patients who are not related to their bone marrow donor can have up to an 80% chance of immune rejection. Transplanting cells made from a patient’s own body will greatly reduce that risk.
