There is much research to be done, but the technology to transplant young bone marrow stem cells to one's older self exists today.
To be honest, that is part of my personal motivation. 'Autologous stem cell time travel' is low hanging fruit. We preserve the cells in multiple aliquots with the assumption that they might be used for multiple purposes, including expansion.
There has been some animal work that suggests transplantation may have that effect:
http://www.ncbi.nlm.nih.gov/pubmed/23967009 http://www.ncbi.nlm.nih.gov/pubmed/25707248
There is much research to be done, but the technology to transplant young bone marrow stem cells to one's older self exists today.
To be honest, that is part of my personal motivation. 'Autologous stem cell time travel' is low hanging fruit. We preserve the cells in multiple aliquots with the assumption that they might be used for multiple purposes, including expansion.