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Enhanced tissue penetration of antibodies through pressurized immunohistochemistry

Fiorelli, R.; Sidhu, G. S.; Cebrian-Silla, A.; Luna Melendez, E.; Mehta, S.; Garcia-Verdugo, J. M.; Sanai, N.

2020-09-28 molecular biology
10.1101/2020.09.25.311936 bioRxiv
Show abstract

To address the inefficiency of passive diffusion for antibody penetration in thick tissue samples, which limits clearing-technique applications, we developed a versatile and simple device to perform antibody incubation under increased barometric pressure. Pressurized immunohistochemistry greatly improves the uniformity, intensity, and depth of fluorescent immunostaining in thick human and mouse brain samples. Furthermore, pressurized immunohistochemistry substantially decreases the time required for classic staining of thin sections. SUBMISSION CATEGORYNew Results

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