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  • Title: Abnormalities of coagulation in experimental nephrotic syndrome.
    Author: Cruz C, Juárez-Nicolás F, Tapia E, Correa-Rotter R, Pedraza-Chaverrí J.
    Journal: Nephron; 1994; 68(4):489-96. PubMed ID: 7532794.
    Abstract:
    The human nephrotic syndrome is accompanied by important alterations of the coagulation system related proteins. The purpose of the present study was to examine the activity of coagulation- and fibrinolysis-related proteins in plasma and urine of control and puromycin aminonucleoside injected rats on days 2 (prenephrotic stage) and 10 (nephrotic stage). We measured the prothrombin time (PT), the activated partial thromboplastin time (aPTT), and the activities of (1) the coagulation factors (CFs) I, II, V, and VII-XII; (2) the inhibitor of coagulation antithrombin III (ATIII), and (3) the component of the fibrinolytic system alpha 2-antiplasmin (alpha 2-APL). PT and aPTT and the activities of CF, ATIII, and alpha 2-APL were not measurable in the urine of control and puromycin amino-nucleoside injected rats on day 2. On this same day, plasma ATIII and CF VIII decreased. On day 10 (1) PT and aPTT decreased in plasma and were not measurable in urine; (2), plasma CFs I, II, V, VII, VIII, X, and XI increased; (3), plasma ATIII decreased; (4), plasma CFs IX and XII and alpha 2-APL did not change, and (5) ATIII and CFs II, VII, VIII, IX, X, XI, and XII, but not CFs I and V and alpha 2-APL, appeared in urine on day 10. ATIII deficiency was secondary probably to the urinary losses; however, the plasma activity of CFs II, VII, VIII, X, and XI increased and that of CFs IX and XII remained unchanged in spite of their urinary losses which suggests that other mechanisms such as deranged catabolism and altered hepatic synthesis may be involved.(ABSTRACT TRUNCATED AT 250 WORDS)
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