thymosin

A polypeptide hormone that restores T cell function in a thymectomized animal. SEE ALSO: thymic lymphopoietic factor.

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thy·mo·sin 'thī-mə-sən n a mixture of polypeptides isolated from the thymus also any of these polypeptides

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thy·mo·sin (thiґmo-sin) any of several thymic humoral factors, the most active being thymosin α1, a 3100-dalton polypeptide; it is secreted by thymic epithelial cells, maintains immune system functions, and can restore T cell function in thymectomized animals.

Medical dictionary. 2011.

Look at other dictionaries:

  • Thymosin — Thymosin, vom Thymus gebildetes Peptid mit Hormonwirkung, das zusammen mit anderen Peptiden wie Thymopoetin die Differenzierung der in den Thymus eingegewanderten Lymphocyten zu T Lymphocyten fördert und eine wachstumsanregende und den… …   Deutsch wörterbuch der biologie

  • thymosin — [thī′mə sin] n. [< Gr thymos,THYMUS + IN1] any of a group of hormones, secreted by the thymus, that stimulate the immune system by helping T cells mature …   English World dictionary

  • Thymosin — protein Name = thymosin, beta 4, X linked caption = width = HGNCid = 11881 Symbol = TMSB4X AltSymbols = TMSB4 EntrezGene = 7114 OMIM = 300159 RefSeq = NM 021109 UniProt = P62328 PDB = ECnumber = Chromosome = X Arm = q Band = 21.3… …   Wikipedia

  • Thymosin — Die Thymosine sind eine Gruppe von Proteinen, die anhand ihres Isoelektrischen Punktes charakterisiert werden. Das für den Menschen wichtigste Thymosin ist Thymosin β4 (Tβ4). Erstmals beschrieben wurde es 1966 von Goldstein und White, die… …   Deutsch Wikipedia

  • thymosin — noun Etymology: Greek thymos thymus + English 1 in Date: 1966 a mixture of polypeptides isolated from the thymus; also any of these …   New Collegiate Dictionary

  • thymosin — Peptide (28 amino acids) that restores aspects of immune function in vivo and in vitro. Possibly a thymic hormone …   Dictionary of molecular biology

  • thymosin b-4 — Small protein (5 kD: 43 residues) found in large amounts in many vertebrate cells (approximately 0.2 mM in neutrophils) and that binds G actin thereby inhibiting polymerization …   Dictionary of molecular biology

  • thymosin — /thuy meuh sin/, n. Biochem. a hormone, produced by the thymus gland, that promotes the development of T cells from stem cells. [1966; THYM(US) + IN2] * * * …   Universalium

  • thymosin — noun A polypeptide hormone, secreted by the thymus, that stimulates the development of T cells as part of the immune system …   Wiktionary

  • Thymosin — Thy|mo|sin [griech. thýmos (↑ Thym , 2); ↑ in (3)], das; s, e: 1) Thymus Hormon; 2) veraltete Bez. für ↑ Thymidin …   Universal-Lexikon

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