Characterization and biological effects of recombinant human erythropoietin.

Abstract:

:Human recombinant erythropoietin (rHuEPO) has been purified to apparent homogeneity and compared to purified human urinary erythropoietin (EPO). Both the purified natural and recombinant EPO preparations were characterized in a competition radioimmunoassay (RIA), the exhypoxic polycythemic mouse bioassay, in vitro tissue culture bioassays using bone marrow cells, and by Western analysis. In the immunological and biological activity assays, the rHuEPO shows a dose response which parallels that of the natural hormone. By Western analysis, the recombinant and human urinary EPO migrate identically. Administration of rHuEPO increases the hematocrit of normal mice in a dose-dependent manner. Additionally, the rHuEPO is able to increase the hematocrit of rats made uremic as a result of subtotal nephrectomy. In summary, by all criteria examined, the rHuEPO is biologically active and equivalent to the natural hormone.

journal_name

Immunobiology

journal_title

Immunobiology

authors

Egrie JC,Strickland TW,Lane J,Aoki K,Cohen AM,Smalling R,Trail G,Lin FK,Browne JK,Hines DK

doi

10.1016/S0171-2985(86)80101-2

subject

Has Abstract

pub_date

1986-09-01 00:00:00

pages

213-24

issue

3-5

eissn

0171-2985

issn

1878-3279

pii

S0171-2985(86)80101-2

journal_volume

172

pub_type

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