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Ovariectomy differential influence on some hemostatic markers of mice and rats

机译:卵巢切除对小鼠和大鼠某些止血标志物的差异影响

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Rodent ovariectomy is an experimental method to eliminate the main source of sexual steroids. This work explored for the first time the ovariectomy temporal changes induced in the hemostatic coagulation markers: prothrombin time (PT), activated partial thromboplastin time (aPTT), thrombin time (TT), and fibrinogen concentration (FIB) along with uterine weight on adult female CD1 mice and Wistar rats. Uterine weight (Uw) was assessed before ovariectomy (control), and 1, 3, 5, 7, 9, 16, and 21 days after surgery. PT, aPTT, TT and FIB were estimated the same days, using reported standard techniques. Ovariectomy decreased Uw, since day 1; and from day 10 to 21 reached the lowest values for both species. After day 1, mice hemostatic parameters changed (PT +10%, P <0.05; aPTT +53%, P <0.05; TT ?24%, P <0.05; FIB +67%, P <0.05). Rats showed significant changes only in TT and FIB (TT ?13%, P <0.001; FIB +65%, P <0.001). Neither mice PT, aPTT and TT, recovered control values after 21 days. In the rats from day 5 to 16 aPTT diminished (18–23%, P <0.05) recovering to control values on day 21, TT after 9 days and PT on day 16. In both species, FIB returned to its control values after 9 days. Ovariectomy differentially altered the PT hemostatic parameter of mice and rats indicating a non-equivalence among both species behaviour for experimental studies of blood coagulation.
机译:啮齿动物卵巢切除术是一种消除性类固醇主要来源的实验方法。这项工作首次探讨了止血凝血标记物诱发的卵巢切除术的时间变化:凝血酶原时间(PT),活化的部分凝血活酶时间(aPTT),凝血酶时间(TT)和纤维蛋白原浓度(FIB)以及成人子宫重量雌性CD1小鼠和Wistar大鼠。在卵巢切除术之前(对照)以及术后1、3、5、7、9、16和21天评估子宫重量(Uw)。 PT,aPTT,TT和FIB是使用报告的标准技术在同一天估算的。自第1天起,卵巢切除术的Uw降低;从第10天到第21天,这两个物种均达到最低值。第1天后,小鼠止血参数发生变化(PT + 10%,P <0.05; aPTT + 53%,P <0.05; TT = 24%,P <0.05; FIB + 67%,P <0.05)。大鼠仅在TT和FIB上显示出显着变化(TT≤13%,P <0.001; FIB + 65%,P <0.001)。 21天后,小鼠PT,aPTT和TT均未恢复对照值。在第5天到第16天的大鼠中,aPTT降低(18–23%,P <0.05),在第21天恢复到对照值,在9天后恢复到TT,在第16天恢复到对照值。在这两个物种中,FIB在第9天后恢复到其对照值。天。卵巢切除术差异性地改变了小鼠和大鼠的PT止血参数,表明这两种物种的行为在血液凝结性实验研究中不相等。

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