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Optimizing Tubulin Yield from Porcine Brain Tissue. | LitMetric

AI Article Synopsis

Article Abstract

Neural tissue from any source is an excellent material for tubulin isolation, as the dendrites and axons of neurons are rich in microtubules. Here, we present a procedure for extracting tubulin that can be employed, with minor modifications, for neural tissue from multiple sources. In the presented protocol, a new clarification step of the crude lysate has been introduced, which led to a significant reduction in the initial amount of insoluble debris before the first polymerization step occurred. This additional step allowed the processing of additional tissue while using the same instrumentation and, thus, increasing the relative volume of the processed homogenate. The newly introduced step has no significant effect on the quality of purified tubulin, as confirmed by in vitro activity assays and transmission electron microscopy. The described procedure contains all crucial steps, including tissue collection, transport, tissue homogenization, tubulin isolation cycles, and final polishing by ion exchange chromatography using FPLC and subsequent activity measurement assays. The homogeneity of purified tubulin was more than 97%, as confirmed by MS/MS analysis utilizing electrospray ionization and MALDI-TOF.

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http://dx.doi.org/10.3791/64925DOI Listing

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