| abstract |
A composition of matter is provided, wherein the composition of matter is derived from one or more sources selected from the group consisting of: a hematopoietic source and blood. The composition of matter comprises a population of at least 5 million cells which have a density of less than 1.072 g/ml, and at least 1% of which are CD34+CD45-/dim, wherein the population has a CD43+CD45-/dim enrichment factor of greater than or equal to 1.6 over the one or more sources. Other embodiments are also described. |