Though there was some evidence of stem cells or ‘special cells’ able to produce other cells as early as the late 1800s, this timeline begins in 1961 with the first published study that accidentally identified cells that are able to renew indefinitely for a variety of uses.
February 1, 1961: Till & McCulloch establish the foundation for stem cell science.
- Toronto scientists Drs. James Till, a biophysicist, and Ernest McCulloch, a haematologist, published accidental findings in “Radiation Research” that proved the existence of stem cells – cells that can self-renew repeatedly for various uses. Both worked for the Ontario Cancer Institute (OCI) at the time.
July 12, 1974: Congress Bans All Federally Funded Fetal Tissue Research
- The 93rd Congress implements a ban on nearly all federally funded fetal tissue research until the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research devises guidelines for it.