[Effect of thymus polypeptide fractions on the development of rat thymus and spleen in organ culture].
Chalisova. N I NI; Khavinson. V Kh VKh; Penniiaĭnen. V A VA; Grigor'ev. E I EI
Key Findings
- Vilon, thymogen, and thymalin boosted growth of thymus and spleen tissue from 21‑day‑old rats at very low concentrations.
- The same peptides inhibited growth of thymus tissue from 1‑day‑old rats.
Practical Outcomes
- These results are limited to rat organ cultures and show age‑dependent responses, so they don’t translate into clear, safe protocols for humans. For biohackers, the study offers little actionable guidance on using vilon or related peptides for health or performance.
Summary
A lab study tested three thymus‑derived peptides (vilon, thymogen, thymalin) on rat thymus and spleen pieces grown in dishes. The peptides helped tissue from older (21‑day) rats grow, but slowed tissue from newborn (1‑day) rats. Adding a plant protein (concanavalin A) changed the effects, generally reducing its activity.
Abstract
Peptides of the thymus--vilon, thymogen and thymalin, alone or in combination with concanavalin A, were used to investigate their effect on organotypic culture of thymus and spleen explants from 1- and 21-day old rats. Vilon, thymogen and thymalin in concentrations of 2 and 10 ng/ml and 5 ng/ml, resp., exerted stimulating effects in thymus and spleen tissue cultures from 21-day old rats as compared to the control explants. Vilon and thymogen showed inhibiting effect in the thymus tissue cultures from 1-day old rats as compared to the control explants. However, the peptides together with concanavalin A in concentration of 10 mkg/ml resulted in decreasing the action of concanavalin A alone. The polypeptide fractions of thymus and their synthetic analogs play different roles in the regulation of thymus and spleen development in rats of different age.
Study Information
pubmed
1999