✦ LIBER ✦
Heterogeneity of molecules with low molecular weight isolated from media conditioned by human leukocytes and capable of stimulating colony formation by human granulopoietic progenitor cells
✍ Scribed by G. B. Price; J. S. Senn; E. A. McCulloch; J. E. Till
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- English
- Weight
- 858 KB
- Volume
- 84
- Category
- Article
- ISSN
- 0021-9541
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✦ Synopsis
Abstract
Molecules of low molecular weight, able to stimulate colony formation by human granulopoietic cells, were prepared from media conditioned by normal and leukemic human peripheral blood leukocytes. When molecules from these sources were studied, heterogeneity was observed in their ability, after radioiodination, to bind and suicide granulopoietic progenitors, in their radiolabelled tryptic digestion products and in their biological activity as stimulators of granulocyte colonies.