Development and immunochemical evaluation of antibodies Y for the poorly immunogenic polypeptide prothymosin alpha.
Klimentzou. Persefoni P; Paravatou-Petsotas. Maria M; Zikos. Christos C; Beck. Alexander A; Skopeliti. Margarita M; Czarnecki. Jan J; Tsitsilonis. Ourania O; Voelter. Wolfgang W; Livaniou. Evangelia E; Evangelatos. Gregory P GP
Key Findings
- Egg‑derived antibodies (IgY) can be produced against prothymosin‑alpha, especially when the protein is linked to KLH
- IgY antibodies showed higher apparent titer and better discrimination between prothymosin‑alpha and thymosin‑alpha‑1 than rabbit antibodies
- Egg yolk antibodies were obtained in much larger amounts than rabbit antibodies
Practical Outcomes
- For biohackers there’s no direct takeaway for dosing or protocols with thymosin‑alpha‑1; the study is mainly a technical method for antibody production.
Summary
The paper describes how scientists made antibodies against a protein called prothymosin‑alpha using chicken eggs, but it doesn’t give any new information about using thymosin‑alpha‑1 for health or performance.
Abstract
Since conserved mammalian polypeptides are believed to exhibit enhanced immunogenicity in avian species, hens were immunized against the poorly immunogenic, highly conserved mammalian polypeptide prothymosin alpha (ProTalpha), i.e. against either non-conjugated ProTalpha (isolated from bovine thymus) or ProTalpha conjugated to keyhole limpet hemocyanin (ProTalpha/KLH). The antibodies Y were isolated from the egg yolk and evaluated through suitable dot-blot and ELISA systems in parallel with antibodies G isolated from the antiserum of rabbits immunized against the same immunogens. As revealed, antibodies Y and G of low titer and/or affinity were obtained against non-conjugated ProTalpha, while antibodies Y against ProTalpha/KLH had a better apparent titer, could better discriminate between ProTalpha and the closely related bioactive peptide thymosin alpha 1, and were obtained at much larger quantities than the corresponding antibodies G.
Study Information
pubmed
2005
2005-09-14T00:00:00.000Z
10.1016/j.peptides.2005.07.002
40
33