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Microscopy with ultraviolet surface excitation for rapid slide-freehistology

机译:紫外表面激发显微镜可快速无滑动组织学

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摘要

Histologic examination of tissues is central to the diagnosis and management of neoplasms and many other diseases, and is a foundational technique for preclinical and basic research. However, commonly used bright-field microscopy requires prior preparation of micrometre-thick tissue sections mounted on glass slides, a process that can require hours or days, that contributes to cost, and that delays access to critical information. Here, we introduce a simple, non-destructive slide-free technique that within minutes provides high-resolution diagnostic histological images resembling those obtained from conventional haematoxylin-and-eosin-histology. The approach, which we named microscopy with ultraviolet surface excitation (MUSE), can also generate shape and colour-contrast information. MUSE relies on ~280-nm ultraviolet light to restrict the excitation of conventional fluorescent stains to tissue surfaces, and it has no significant effects on downstream molecular assays (including fluorescence in situ hybridization and RNA-seq). MUSE promises to improve the speed and efficiency of patient care in both state-of-the-art and low-resource settings, and to provide opportunities for rapid histology in research.
机译:组织的组织学检查对肿瘤和许多其他疾病的诊断和处理至关重要,并且是临床前和基础研究的基础技术。然而,通常使用的明场显微镜需要事先准备安装在载玻片上的微米厚的组织切片,该过程可能需要数小时或数天,这会增加成本,并会延迟访问关键信息。在这里,我们介绍了一种简单,无损的无滑片技术,该技术可在数分钟内提供类似于常规苏木精和曙红组织学获得的高分辨率诊断组织学图像。我们将这种方法称为具有紫外线表面激发的显微镜技术(MUSE),它还可以生成形状和颜色对比信息。 MUSE依靠〜280 nm紫外光来限制常规荧光染料向组织表面的激发,并且对下游分子测定(包括荧光原位杂交和RNA-seq)没有显着影响。 MUSE承诺在最新和资源匮乏的环境中提高患者护理的速度和效率,并为快速组织学研究提供机会。

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