ARCH PATHOL LAB MED:如何在甲醛固定石蜡包埋骨髓活检中消除自发荧光?

2019-05-09 不详 网络

骨髓活检免疫荧光分析中骨髓组织高水平的自发荧光是检测过程的主要障碍。本研究提出一种简单、有效的骨髓活检中消除自身荧光的方法。

骨髓活检免疫荧光分析中骨髓组织高水平的自发荧光是检测过程的主要障碍。本研究提出一种简单、有效的骨髓活检中消除自身荧光的方法。

研究人员用共聚焦激光扫描显微镜观察石蜡骨髓组织在不同血液病中的自发荧光。在原发性骨髓纤维化和急性白血病中,488-nm561-nm通道中可见强的自体荧光。为了消除自体荧光,在不同培养时间的骨髓切片上使用自体荧光猝灭剂。采用不同荧光团标记的抗体,研究了自荧光猝灭剂对骨髓活检免疫荧光分析的影响。

自荧光猝灭剂彻底消除了骨髓的强自荧光,但没有降低荧光团的强度,使靶蛋白的特异性信号清晰可见。

本研究提出了一种简单有效的骨髓石蜡组织自荧光消除方法,为骨髓活检免疫荧光分析提供了更好的方法。

原始出处:

Wenxia Su, PhD; Lin Yang, MD;Elimination of Autofluorescence in Archival Formaldehyde-Fixed, Paraffin-Embedded Bone Marrow Biopsies

本文系梅斯医学(MedSci)原创编译整理,转载需授权!


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    2019-12-30 yb6560
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    2019-05-11 柳叶一刀

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