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  • Title: Changes of enzyme activity levels in red blood cells in hemodialysis patients by recombinant human erythropoietin.
    Author: Suzuki Y, Ogura Y, Otsubo O, Mimura N, Takaku F, Maeda T.
    Journal: Nihon Jinzo Gakkai Shi; 1992 Sep; 34(9):1019-23. PubMed ID: 1479730.
    Abstract:
    In a phase II clinical trial to test the ability of recombinant human erythropoietin (r-HuEPO) to reverse the anemia of patients undergoing hemodialysis, the changes of enzyme activity in red blood cells were evaluated in 5 hemodialysis anemic patients who were treated with r-HuEPO. Concerning the activity levels measured, the following conclusions are drawn. 1) HK, ALD, TPI, G6PD and 6PGD were statistically significantly increased at the time when the hematocrit has risen by 8% with the use of r-HuEPO. 2) The enzyme activity levels of PFK, GA3PD, MPGM, ENOL, PK, GR and ADA were higher than normal already before the r-HuEPO treatment. 3) The increases of HK and G6PD by r-HuEPO, as age dependent enzymes, may reflect the generation of young red blood cells. 4) In view of the fact that they are related to ATP production in the glycolysis cycle, we infer that increases of red blood cell enzymes by r-HuEPO may play at least some part in bringing a sensation of "well-being" to severely anemic patients undergoing hemodialysis.
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