Author(s): Bertotto A, Crupi S, Fabietti GM, Troiani S, Parente C,
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Abstract CD3+/CD30+ circulating T lymphocytes were found to be increased in the blood of individuals with Down's syndrome (DS; trisomy 21). This finding appears to be related to age as the numbers of CD3+/CD30+ T cells were dramatically enhanced in the circulation of older DS subjects. Since CD30 antigen expression is considered to be a marker of T-helper-2 (Th-2) activation, and Th-2+ cells are associated with certain human pathologies, our data may in some way explain the enhanced susceptibility of DS patients to infections, malignant diseases and autoimmunity.
This article was published in Pathobiology
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