A unit dosage of a mesenchymal stem cell population, wherein the mesenchymal stem cell population is an isolated mesenchymal stem population of the amniotic membrane of the umbilical cord, wherein at least 97% or more of the cells of the isolated mesenchymal stem cell population express each of CD73, CD90 and CD105 and lack expression of each of CD34, CD45 and HLA-DR and wherein the unit dosage comprise about 0.5 million cells to about 20 million cells contained in a liquid carrier, wherein the liquid carrier comprises
- i) Trolox;
- ii) Na+;
- iii) K+;
- iv) Cl−;
- v) H2PO4-;
- vi) HEPES;
- vii) Lactobionate;
- viii) Sucrose;
- ix) Mannitol;
- x) Glucose;
- xi) Dextran-40;
- xii) Adenosine, and
- xiii) Glutathione.