Mesenchymal stem cells expressing TNF-alpha receptors
View Patent ↗Mesenchymal stem cells which express TNF-α receptor Type I in an amount of at least 13 pg/10 6 cells. Such mesenchymal stem cells inhibit the proliferation of lymphocytes and may be employed, in particular, in the treatment of graft-versus-host disease.
1. A method of obtaining mesenchymal stem cells which express TNF-α receptor Type I in an amount of at least 13 pg/10 6 cells, comprising:
obtaining at least one cell population including mesenchymal stem cells from at least one donor;
determining the amount of TNF-α receptor Type I expressed by the mesenchymal stem cells in each of said at least one cell population; and
selecting mesenchymal stem cells which express TNF-α receptor Type I in an amount of at least 13 pg/10 6 cells;
wherein said selected mesenchymal stem cells are non-transfected cells.
2. The method of claim 1 wherein said selected mesenchymal stem cells express TNF-α receptor Type I in an amount of at least 15 pg/10 6 cells.
3. The method of claim 2 wherein said selected mesenchymal stem cells express TNF-α receptor Type I in an amount of at least 18 pg/10 6 cells.
4. The method of claim 1 wherein said mesenchymal stem cells are human mesenchymal stem cells.
5. The method of claim 1 wherein said mesenchymal stem cells are from a single donor.