| Summary: | Summary: Identifying multiple proteins within the same tissue allows for assessing protein colocalization, is cost effective, and maximizes efficiency. Here, we describe a protocol for multiplex immunolabeling of proteins in free-floating rodent brain sections. As opposed to slide-mounted immunohistochemistry, the free-floating approach results in less tissue loss and greater antibody penetration. Using distinct fluorophores for individual proteins, this protocol allows for visualization of three or more proteins within tissue sections. The protocol can be applied to other tissue types.For complete details on the use and execution of this protocol, please refer to Gonzalez Abreu et al. (2022). : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.
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