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Oxidative stress and age-related changes in T cells: is thalassemia a model of accelerated immune system aging?



Oxidative stress and age-related changes in T cells: is thalassemia a model of accelerated immune system aging?



Central-European Journal of Immunology 41(1): 116-124



Iron overload in β-thalassemia major occurs mainly due to blood transfusion, an essential treatment for β-thalassemia major patients, which results in oxidative stress. It has been thought that oxidative stress causes elevation of immune system senescent cells. Under this condition, cells normally enhance in aging, which is referred to as premature immunosenescence. Because there is no animal model for immunosenescence, most knowledge on the immunosenescence pattern is based on induction of immunosenescence. In this review, we describe iron overload and oxidative stress in β-thalassemia major patients and how they make these patients a suitable human model for immunosenescence. We also consider oxidative stress in some kinds of chronic virus infections, which induce changes in the immune system similar to β-thalassemia major. In conclusion, a therapeutic approach used to improve the immune system in such chronic virus diseases, may change the immunosenescence state and make life conditions better for β-thalassemia major patients.

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Accession: 058488868

Download citation: RISBibTeXText

PMID: 27095931

DOI: 10.5114/ceji.2015.56973


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