Home Bratislava Medical Journal 2015 Bratislava Medical Journal Vol.116, No.5, p.316-320, 2015

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Published Monthly, in English
Founded: 1919
ISSN 0006-9248
(E)ISSN 1336-0345

Impact factor 1.564


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Bratislava Medical Journal Vol.116, No.5, p.316-320, 2015

Title: Generation and characterization of chicken egg yolk antibodies (IgY) against TNFR1
Author: M. Hashemi, S. Amirijavid, M. Entezari, H. Shafaroodi, Z. Jokar Saghafi

Abstract: TNF is from a big family of cytokines with different activities in different parts of the body. Among the various activities of TNFR1, induction of apoptosis by a receptor appears to be an attractive and promising one. This can be achieved through the death domain of the receptor in cells that are stimulated by ligand, to induce apoptosis. Activation of the receptor occurs through its occupation by ligands or its antagonists such as antibodies. Several kinds of antibodies, including antibodies of mammals and birds are used in the research and therapy field. Avian antibodies are highly regarded which is due to the many positive characteristics they have. Firstly, total protein of TNFR1 was cloned. Blood sampling was performed, white blood cell separation, extraction of RNA and at cDNA synthesis. After making sure from synthesis of cDNA, it was used as template for PCR reaction. The cloned fragment in the prokaryotic expression vector, pET28a, transferred to prokaryotic host, BL21(DE3) and the protein (TNFR1) expressed. After protein purification by affinity column were injected to immunize the chickens. Interestingly, antibodies purified from egg yolk of immunized chickens, in ELISA assay showed sufficient specificity. Such antibodies could able to ensure quick and immediate protection against several biotargets (Fig. 4, Ref. 37).

Keywords: IgY, TNFR1, cloning.
Year: 2015, Volume: 116, Issue: 5 Page From: 316, Page To: 320

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