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Microfluidics for rapid cytokeratin immunohistochemical staining in frozen sections.


ABSTRACT: Frozen sections (FS) of tumor samples represent a cornerstone of pathological intraoperative consultation and have an important role in the microscopic analysis of specimens during surgery. So far, immunohistochemical (IHC) stainings on FS have been demonstrated for a few markers using manual methods. Microfluidic technologies have proven to bring substantial improvement in many fields of diagnostics, though only a few microfluidic devices have been designed to improve the performance of IHC assays. In this work, we show optimization of a complete pan-cytokeratin chromogenic immunostaining protocol on FS using a microfluidic tissue processor into a protocol taking <12?min. Our results showed specificity and low levels of background. The dimensions of the microfluidic prototype device are compatible with the space constraints of an intraoperative pathology laboratory. We therefore anticipate that the adoption of microfluidic technologies in the field of surgical pathology can significantly improve the way FSs influence surgical procedures.

SUBMITTER: Brajkovic S 

PROVIDER: S-EPMC5533214 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Microfluidics for rapid cytokeratin immunohistochemical staining in frozen sections.

Brajkovic Saska S   Dupouy Diego G DG   de Leval Laurence L   Gijs Martin Am MA  

Laboratory investigation; a journal of technical methods and pathology 20170529 8


Frozen sections (FS) of tumor samples represent a cornerstone of pathological intraoperative consultation and have an important role in the microscopic analysis of specimens during surgery. So far, immunohistochemical (IHC) stainings on FS have been demonstrated for a few markers using manual methods. Microfluidic technologies have proven to bring substantial improvement in many fields of diagnostics, though only a few microfluidic devices have been designed to improve the performance of IHC ass  ...[more]

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