nonathymulin
Sign in to saveAlso known as thymulin
Thymulin (also known as thymic factor or its old name facteur thymique serique) is a nonapeptide produced by two distinct epithelial populations in the thymus first described by Bach in 1977. It requires zinc for biological activity. Its peptide sequence is H-Pyr-Ala-Lys-Ser-Gln-Gly-Gly-Ser-Asn-OH.
Wikidata facts
- Mass
- 858.383
Show 3 more facts
- chemical formula
- C₃₃H₅₄N₁₂O₁₅
- isomeric SMILES
- C[C@@H](C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(=O)N)C(=O)NCC(=O)NCC(=O)N[C@@H](CO)C(=O)N[C@@H](CC(=O)N)C(=O)O)NC(=O)[C@@H]1CCC(=O)N1
- canonical SMILES
- CC(C(=O)NC(CCCCN)C(=O)NC(CO)C(=O)NC(CCC(=O)N)C(=O)NCC(=O)NCC(=O)NC(CO)C(=O)NC(CC(=O)N)C(=O)O)NC(=O)C1CCC(=O)N1
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Thymulin (also known as thymic factor or its old name facteur thymique serique) is a nonapeptide produced by two distinct epithelial populations in the thymus first described by Bach in 1977. It requires zinc for biological activity. Its peptide sequence is H-Pyr-Ala-Lys-Ser-Gln-Gly-Gly-Ser-Asn-OH.
The hormone is believed to be involved in T-cell differentiation and enhancement of T and NK cell actions. Besides this rather paracrine or auto-organic effects on the thymus dependent immune system, thymulin seems to have neuroendocrine effects as well. There exist bidirectional interactions between thymic epithelium and the hypothalamus-pituitary axis (for example, thymulin follows a circadian rhythm and physiologically elevated ACTH levels correlate positively with thymulin plasma levels and vice versa).