Editorial

Hodgkin's disease (HD) is a peculiar type of human malignant lymphoma characterized by a very low frequency of tumor cells, the so called Hodgkin and Reed-Sternberg (H-RS) cells, embedded in a hyperplastic background of non-neoplastic (reactive) cells recruited and activated by H-RS cells-derived cytokines. H-RS cells can be functionally regarded as antigen-presenting cells (APC) able to elicit an intense, but anergic and ineffective, T-cell mediated immune response along with a hyperplastic inflammatory reaction which involves several cell types including T- and B-cells, neutrophils, eosinophils, plasma cells, fibroblasts and stromal cells. In tissues involved by HD, malignant H-RS cells and their reactive neighboring cells are able to cross-talk via a complex network of cytokine- and cell contact-dependent interactions. As a result of such interactions, mediated by specific surface receptors and adhesion molecules on both tumor and non-neoplastic cells, H-RS cells may receive several proliferative and anti-apoptotic signals favoring the cellular expansion and tumor cell survival in HD. The ineffective T-cell immune response elicited by the abnormal APC function of H-RS cells may further contribute to the biologic and clinical progression of HD. Innovative therapeutic strategies aimed at blocking the pathways of dysregulated cellular cross-talk among H-RS cells and bystander reactive cell populations might be beneficial in the treatment of HD patients.

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Editorial

Cited by 5 publications

References 17 publications

Epstein-Barr Virus in Hodgkin's Disease: More Than Just an Innocent Bystander

Epstein-Barr Virus in Hodgkin's Disease: More Than Just an Innocent Bystander

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Hodgkin’s disease: A disorder of dysregulated cellular cross-talk

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