Evaluation of murine monoclonal antibodies targeting different epitopes of the hepatitis B virus surface antigen by using immunological as well as molecular biology and biochemical approaches

Vianna, Carlos Otávio Alves; Júnior, Sérgio da Silva e Mouta; Martins, Maria da Glória Teixeira; Batoreu, Nadia Maria; Queiroz, J.L.S.; Gomes, Saint Clair; Góes, Ana Carolina Magalhães de Andrade; Armôa, Geraldo R. G.; Marques, Carlos Humberto; Moraes, Marcia Terezinha Baroni de

doi:10.1016/j.jim.2006.03.008

Cited by 7 publications

References 37 publications

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Western Blotting: Immunoblotting

Bjerrum¹,

Heegaard²

2009

Encyclopedia of Life Sciences

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Western blotting is a method by which proteins that have been physically separated and subsequently immobilized on the surface of a membrane are probed for reactivity with different types of affinity reagents, such as antibodies, receptors, are tested for the presence of interacting proteins in pure preparations or complex mixtures. Immunoblotting and the major steps of the procedure are described. It concerns the most commonly applied separation technique: sodium dodecyl sulfate–polyacrylamide gel electrophoresis (SDSPAGE); the major transfer techniques: semidry or tank blotting; the many protein stains where the choice is depending on the sensitivity wanted and selection of the right blocking procedure. Visualization of bound probes represents a major issue as the variations are legio, but where the use of enzyme conjugated antibodies for colorimetric, chemo‐ and bioluminiscence is the most applied ones. The limits for quantitative use of the technique, the specificity problem crucial for a proper interpretation and various application, are described. Key concepts The nomenclature including geographical terms. Overview of the many variants of the steps of the immunoblotting procedure. Knowledge of the commonly appearing pitfalls of the technical process. The limits for using immunoblotting for quantification purpose. Understanding the importance of antibody specificity and use of controls for correct interpretation of the patterns.

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