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Curr Opin Cell Biol. 1993 Feb;5(1):56-62.

Small actin-binding proteins: the beta-thymosin family.

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Department of Cell and Developmental Biology, University of Pennsylvania Medical School, Philadelphia 19104-6058.

Erratum in

  • Curr Opin Cell Biol 1993 Apr;5(2):292.


Thymosin beta 4 is a major actin monomer binding protein present at high concentration in many vertebrate cells and cell lines. The interactions of actin with thymosin beta 4, actobindin and profilin are compared. Nine beta-thymosins have been identified; six have been shown to bind to actin. Regulation of the synthesis of thymosin beta 10 and thymosin beta 4 has been found in brain development and after stimulation of several cell types, respectively. The extracellular effects of thymosin beta 4 still need clarification.

[Indexed for MEDLINE]

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