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Every compound in the sci-wiki that affects thymus; the ones you can source are floated to the front, then the reference-only entries. Tap any for the full entry, mechanism, and outlets.
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Testagen is a synthetic tetrapeptide, Lys-Glu-Asp-Gly, from the Khavinson family of short peptide bioregulators [1]. The experimental literature describes it as an ANTERIOR PITUITARY peptide and tests it on the thyroid, the thymus, immunity and clotting in hypophysectomised birds [2][3][5][6]; the male reproductive description that usually accompanies it comes from review tables rather than from an experiment [9][10]. All of the evidence is animal or cell culture. There is no human data.
Thymulin is a thymic peptide hormone, a nonapeptide produced by the epithelial cells of the thymus gland, that plays a role in the maturation and regulation of T lymphocytes. It was described in the 1970s, originally under the name serum thymic factor (facteur thymique serique, FTS), and its biological activity depends on being bound to the metal zinc, making it a zinc-dependent metallopeptide [1]. Beyond its classic immune role, thymulin also interacts with the neuroendocrine system and has shown anti-inflammatory and analgesic properties in experimental studies, which has prompted interest in its therapeutic potential [2].