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本文以凝集素为探针,利用蛋白质免疫印渍分析法(Western Blot)观察了家兔妊娠早期(D4至D12,交配日定为D_0)胚泡液中ConA,WGA和PNA三种凝集素结合糖蛋白的变化规律,并用凝胶扫描仪及其分析软件对定性结果作了定量分析。根据实验发现,着床前D4,D6胚泡液中含有分子量约为70 kd的ConA结合糖蛋白,42kd和25kd的WGA结合糖蛋白,180kd和75kd的PNA结合糖蛋白,它们均于着床后消失。可见这几种糖蛋白为阶段特异性糖蛋白,与妊娠识别及着床密切相关。 相似文献
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In the present study, the quantitative and qualitative changes of three kinds of lectinbinding glycoproteins of early pregnant rabbit embryos (D4—D12) were analyzed. The technique of Western blot, as well as video densitometer scanning and its analytic software was used for analysis. Results found that there were five specific lectin-binding glycoproteins in Day 4 to Day 6 blastocyst fluids: one ConA-binding glycoprotein about 70 kD, two WGA-binding glycoproteins respectively about 42 kD and 25kD and two PNA-binding glycoprotein respectively about 180kD and 75kD. They disappeared immediately after implan tation, It is demonstrated that there are stage-specific glycoproteins in rabbit blastocyst fluid which might be relevant to the recognition of pregnancy and implantation. 相似文献
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