Protein L-agarose is used in affinity chromatography, protein chromatography, antibody purification and characterization, immunoaffinity matrices, phosphorylation analysis, and protein A, G and L resins. Protein L-agarose has been used to provide evidence that antineuronal antibodies may contribute to neuronal dysfunction observed in a subset of patients with neurogenic chronic intestinal pseudoobstruction. Protein L agarose has also been used to evaluate a diabody to improve protection againse a potent scorpion neurotoxin.
Protein L from Peptostreptococcus magnus binds immunoglobulins (Ig) primarily through kappa light chain interactions without interfering with the antigen binding site. Recombinant Protein L contains four Ig-binding domains.
Preparation Note
Prepared with recombinant Peptostreptococcus magnus Protein L.
This work investigated the adsorption of autoantibodies such as anti-SS-A/Ro, anti-SS-B/La, anti-Sm, and anti-dsDNA on protein L-agarose gel. In order to determine better conditions for IgG adsorption on this matrix, some buffer systems were tested. Adsorption data were analyzed using
Cellular and molecular life sciences : CMLS, 60(3), 617-628 (2003-05-10)
Diabodies are recombinant, dimeric, antibody-based molecules composed of two non-covalently associated single-chain antibody fragments that bind to an antigen in a divalent manner. In an attempt to develop more effective therapeutic molecules against scorpion venoms, we designed a diabody derived
Journal of immunological methods, 303(1-2), 53-65 (2005-07-26)
Monoclonal antibodies (MAbs) provide a powerful tool for the identification of novel tumour associated antigens. In an attempt to identify such an antigen, MAbs were generated by immunization with paraffin wax-embedded formalin-fixed invasive ductal breast tumour tissue from a patient
Activation of autoimmune pathways has been implicated as a contributing mechanism to the pathophysiology in some patients with chronic intestinal pseudoobstruction (CIP). In this study we tested the hypothesis that sera from a subpopulation of patients with CIP contain autoantibodies
Microbes and infection, 8(14-15), 2863-2871 (2006-11-11)
Pregnancy-associated malaria (PAM) is associated with the massive sequestration of erythrocytes infected with CSA-binding parasites in the placenta. Natural protective immunity against PAM is acquired during the course of pregnancies, with the development of anti-PfEMP1 antibodies recognizing placental infected erythrocytes
Techniques for protein antigen molecular weight determination, protein interactions, enzymatic activity, and post-translational modifications.
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