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Any of a group of small proteins, originally isolated from the thymus, that are involved in a variety of functions including angiogenesis, cell migration, regulation of actin polymerization, and the immune response.


(Biology) a hormone secreted by the thymus which stimulates the immune system


(ˈθaɪ mə sɪn)

a hormone, produced by the thymus gland, that promotes the development of T cells from stem cells.
[1966; appar. < Greek thýmos thymus + -ine2]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thymosin - hormone secreted by the thymus; stimulates immunological activity of lymphoid tissue
endocrine, hormone, internal secretion - the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect
References in periodicals archive ?
Drug development company RegeneRx Biopharmaceuticals Inc (OTCQB:RGRX) reported on Wednesday the receipt of a Notice of Allowance in Canada for Thymosin beta 4 (T?
Background: Thymosin beta-4 (TB-4) is considered key roles in tissue development, maintenance and pathological processes.
RGRX) said a peer-reviewed publication of the results of a recent cardiac stem cell clinical trial shows the potentially key role that Thymosin beta 4 (TB4) plays in the functional repair of cardiovascular disease.
The thymus produces several putative thymic hormones: thymosin alpha 1, thymulin, and thymopoietin, which have been reported to circulate and to act on both prothymocytes and mature T cells in the periphery, thus maintaining their commitment to the T cell system.
today announced that it has received a patent in Mexico for the treatment of dry eye syndrome and glaucoma, among other medical indications, using Thymosin beta 4 (T?
A protein called thymosin beta-4 can provide just the sort of stimulus needed to turn dormant stem cells into Mr.
The breakthrough discovery was that a peptide - a protein building block - called thymosin beta 4 (Tbeta4) which is normally active in the embryo could re-awaken the adult stem cells.
They also found that thymosin beta-4, a peptide naturally produced by the body, could reawaken and mobilise these stem cells to repair heart damage.
RegeneRx's product candidates are based on thymosin beta 4 (T?
Researchers at University College London's Institute of Child Health have found that a protein called thymosin beta 4 can persuade cells found on the outside of the heart to move deeper into the organ where they form cells capable of making blood vessels.
Scientists hope the molecule, called thymosin beta 4, will open the door to new treatments for heart attack patients.
Bruce Zetter, a researcher at Children's Hospital in Boston, is testing thymosin beta-15 (T beta-15), a protein that stimulates cell migration and promotes metastasis in prostate cancer.