The composition of matter described in this patent is actually a stimulator of NKT cells. In this patent, the composition, alpha galactosyl ceramide is described for the use of protecting the hematopoietic stem cell compartment from radiation or chemotherapy. It is unknown if these effects are directly mediated on the CD34+ hematopoietic stem cells, or if they are indirect through the activation of NKT cells.
View this patent on the USPTO website.
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