期刊
ONCOIMMUNOLOGY
卷 5, 期 7, 页码 -出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/2162402X.2016.1175799
关键词
Cutaneous T-cell lymphoma (CTCL); HTLV-1 and geographic clustering; IL-17; Mycosis fungoides (MF); S. aureus; Sezary syndrome (SS); STAT3; viruses
资金
- Ottawa Hospital Research Institute
- Canadian Dermatology Foundation
- Joan Sealy Trust Cancer Research Fund
- Nordic Foundation Tandem-program
- Danish Cancer Society Knaeck Cancer Program
- Novo Nordisk Fonden [NNF12OC0002036, NNF15OC0018774] Funding Source: researchfish
- The Danish Cancer Society [R72-A4571, R132-A8475] Funding Source: researchfish
Most skin malignancies are caused by external and often preventable environmental agents. Multiple reports demonstrated that cutaneous T-cell lymphomas (CTCL) can occur in married couples and cluster in families. Furthermore, recent studies document geographic clustering of this malignancy in Texas as well as in other areas of the United States. Multiple infectious, occupational, and medication causes have been proposed as triggers or promoters of this malignancy including hydrochlorothiazide diuretics, Staphylococcus aureus, dermatophytes, Mycobacterium leprae, Chlamydia pneumoniae, human T-Cell lymphotropic virus type 1 (HTLV1), Epstein-Barr virus (EBV), and herpes simplex virus (HSV). In this report, we review recent evidence evaluating the involvement of these agents in cancer initiation/progression. Most importantly, recent molecular experimental evidence documented for the first time that S. aureus can activate oncogenic STAT3 signaling in malignant T cells. Specifically, S. aureus Enterotoxin type A (SEA) was recently shown to trigger non-malignant infiltrating T cells to release IL-2 and other cytokines. These signals upon binging to their cognate receptors on malignant T cells are then able to activate STAT3 and STAT5 oncogenic signaling and promote cancer progression and IL-17 secretion. In light of these findings, it might be important for patients with exacerbation of their CTCL symptoms to maintain high index of suspicion and treat these individuals for S. aureus colonization and/or sepsis with topical and systemic antibiotics.
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