Studies on transitional cells. I. Kinetic changes in rat bone marrow during hypoxia and rebound.
AUTOR(ES)
Yoffey, J M
RESUMO
Kinetic changes have been studied in the transitional cells of the marrow in normal, hypoxic (0.5 atm) and rebound rats. Suspensions of marrow cells were incubated with tritiated thymidine for 1 hour, and the percentage of labelled transitionals of all sizes, as well as of large transitionals, was couinted in radioautographs. From a normal labelling index of 55.4% +/- 6.0089 there is an initial fall after 1 day of hypoxia, followed by a significant rise to 69.233 +/- 2.8263% on day 3, when erythropoiesis is at its peak. This is followed by a sharp fall to a low level of 35% on day 2 of rebound, when erythropoiesis is depressed, returning to normal by day 7. The highest labelling index is found in the large transitional cells.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1233136Documentos Relacionados
- Intraocular pressure rebound.
- Haematological changes in adjuvant disease in the rat. I. Peripheral blood and bone marrow after repeated injections of Freund's adjuvant.
- Histochemical observations on chicken blood and bone marrow cells.
- Effects of hypoxia on membrane potential and intracellular calcium in rat neonatal carotid body type I cells.
- The cellular changes during osteogenesis in bone and bone marrow composite autografts.