Potential mechanism of thymosin-α1-membrane interactions leading to pleiotropy: experimental evidence and hypotheses
2018
ABSTRACTIntroduction: Thymosins have been extracted, characterized, and identified from Thymus. The Thymosins are hormones whose therapeuric applications have seen a recent increase. The action of Thymosin α1 is based on the stimulation of the immune response with a large number of results in a variety of pathologies. The absence of a specific receptor prompted us to investigate the direct interaction with membranes, particularly those exposing phosphatidylserine thus contributing to assess the Thymosin α1’s pleiotropy.Areas covered: The interaction with membranes has been studied with a number of models indicating that Thymosin α1 interacts preferentially with negative regions of the membrane (SDS mixed with dodecylphosphocholine) or, better, with vesicles of dipalmitoylphosphatidylcholine with exposed phosphatidylserine.Expert opinion: The study of the role of the membrane in the mechanism of action of Thymosin α1 indicated that probably the first interaction occurs at the membrane level with recognitio...
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