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Affinity Purification of Interacting Proteins from Cell Lysates Protocol - http://www.cshprotocols.org/cgi/content/abstract/2007/3/pdb.prot4593

Category: Chromatography Protocols: Affinity Chromatography Protocols

Recombinant protein or a chemically synthesized bioactive fragment is immobilized on resin and used as a probe to capture interacting proteins directly from a cell extract. Affinity-purified proteins are fractionated by gel electrophoresis and visualized by Coomassie staining. Proteins that interact specifically are identified by comparing this gel profile to one obtained from cell lysates passed over a control resin lacking the immobilized probe protein. - [Read Affinity Purification of Interacting Proteins from Cell Lysates Protocol]

Assay of Cytokines in Tissue Culture Supernatants - http://www.signaling-gateway.org/data/cgi-bin/ProtocolFile.cgi/afcs_PP00000223.pdf?pid=PP00000223

Category: Signalling Signal Transduction Protocols

Assay of cytokines in tissue culture supernatants describes a liquid suspension array for quantification of cytokines in tissue culture supernatants or serum. With this assay, it is possible to profile the level of multiple cytokines in a single well. The principle of this cytokine assay is similar to a capture sandwich immunoassay. Includes: Preparation for the Assay, Cytokine Assay, Reagents and Materials. - [Read Assay of Cytokines in Tissue Culture Supernatants]

Assay of Cytokines in Tissue Culture Supernatants Protocol - http://www.signaling-gateway.org/data/cgi-bin/ProtocolFile.cgi/afcs_PP00000223.pdf?pid=PP00000223

Category: Immunology: Immunoassays

The Bio-Plex cytokine assay employs a liquid suspension array for quantification of cytokines in tissue culture supernatants or serum. Using this 96-well microtiter plateformatted assay, it is possible to profile the level of multiple cytokines in a single well. - [Read Assay of Cytokines in Tissue Culture Supernatants Protocol]

Microdissection Overview - http://cgap-mf.nih.gov/Protocols/Microdissection/Overview.html

Category: Primary Cell Isolation and Culture Protocols: Laser Capture Microdissection Protocols

Human tissues are comprised of multiple interacting cell populations in a complex three dimensional arrangement with each cellular phenotype determined by a unique profile of mRNA and protein expression. Before microdissection techniques were developed, the only analysis tools for phenotypic studies were primarily immunohistochemistry and in-situ hybridization. While useful, these tools are limited to single gene analysis and, in general, do not allow qualitative studies. - [Read Microdissection Overview]