[The effect of polypeptides from the thymus, bone marrow and bursa of Fabricius on the immunogenesis and hemostasis in neonatally thymectomized and antenatally bursectomized chickens].
Kuznik. B I BI; Stepanov. A V AV; Tsybikov. N I NI; Morozov. V G VG; Khavinson. V Kh VKh
Key Findings
- Polypeptide extracts from the bursa of Fabricius improved immune responses in thymectomized and bursectomized chickens.
- These bursa-derived peptides also had notable effects on hemostasis (blood clotting mechanisms).
- Thymus and bone marrow extracts were less effective than bursa extracts in this animal model.
Practical Outcomes
- For biohackers, the study suggests that certain animal-derived peptide mixtures might influence immunity and clotting, but the work is limited to chickens and uses a bird organ not present in humans. There is no clear dosage, safety, or protocol for human use, so it offers minimal actionable guidance for longevity or performance optimization.
Summary
A study in chickens showed that protein extracts from the bursa of Fabricius (a bird organ) had the strongest impact on immune function and blood clotting compared to similar extracts from the thymus or bone marrow. The research was done in chickens that had their thymus or bursa removed early in development.
Abstract
The effect of polypeptides from the thymus, bone marrow and bursa of Fabricius on immunogenesis and hemostasis was investigated in neonatally thymectomized and antenatally bursectomized chickens. It has been established that polypeptide factors from the bursa of Fabricius have the most pronounced effect on the immunity and hemostasis.
Study Information
pubmed
1987