Is Lower Ploidy of Megakaryocytes Another Reason for Uremic Thrombocytopathy?

Overview

Journal Klin Wochenschr

Specialty General Medicine

Date 1986 Jun 16

PMID 3735998

Citations 2

Authors

M Winkelmann

U Dorr

P PFITZER

W Schneider

Affiliations

Soon will be listed here.

Abstract

Though it has been generally accepted that uremic serum contains substances which impair platelet function and inhibit erythropoiesis, the mechanism of uremic thrombocytopathy and bleeding tendency is still not clearly understood. By measuring the nuclear DNA content of the megakaryocytes of 20 patients with end-stage renal failure, we demonstrated that ploidy levels correlate with parameters of uremia. High creatinine and BUN levels as well as low hemoglobin or creatinine clearance values correlate with low average ploidy of megakaryocytes. In explaining this phenomenon, uremic inhibition of DNA replication seems to be more important than dialysis or the type of renal disease. As megakaryocytes of higher ploidy are thought to produce more reactive platelets than megakaryocytes of lower DNA content, this could be another reason for uremic thrombocytopathy and bleeding tendency.

Citing Articles

Hematologic aspects of end-stage renal failure.

Zachee P, Vermylen J, Boogaerts M Ann Hematol. 1994; 69(1):33-40.

PMID: 8061105 DOI: 10.1007/BF01757345.

Significance of polyploidy in megakaryocytes and other cells in health and tumor disease.

Winkelmann M, PFITZER P, Schneider W Klin Wochenschr. 1987; 65(23):1115-31.

PMID: 3323647 DOI: 10.1007/BF01734832.

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