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Immunogenicity of erythropoietin and other growth factors
Francesco Indiveri1, Giuseppe Murdaca
1Department of Internal Medicine, Division of Internal Medicine and Clinical Immunology, University of Genoa, Italy.
Abstract:
Erythropoietin (EPO) is a 165 amino-acid sequence glycoprotein which plays an important role in maintaining regular generation of erythrocytes, Jacobs et al. describe the cloning of the human EPO and recombinant EPO has been introduced for the treatment of anemia in patients with renal diseases. The extensive utilization of EPO can induce the production of neutralizing EPO antibodies, which have been proved in patients with the non-infectious form of pure red cell aplasia (NI-PRCA), an autoimmune disease characterized by a sudden inhibition of erythrocyte maturation and production. In this review, the literature concerning the molecular structure and the genetic profile of EPO as well as the relationship between neutralizing EPO antibodies and NI-PRCA have been analyzed.