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Udgivet

STAT3 activation and infiltration of eosinophil granulocytes in mycosis fungoides

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  1. The Role of Local Therapy in Multi-focal Epithelioid Haemangioendothelioma

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  4. The Influence of Cyst Emptying, Lymph Node Resection and Chemotherapy on Survival in Stage IA and IC1 Epithelial Ovarian Cancer

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  1. Patient-reported Outcomes During Treatment in Patients with Moderate-to-severe Psoriasis: A Danish Nationwide Study

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  2. Skin colonization by circulating neoplastic clones in cutaneous T-cell lymphoma

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  3. Skin Patterning in Psoriasis by Spatial Interactions between Pathogenic Cytokines

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  4. High-Throughput Sequencing-Based Investigation of Viruses in Human Cancers by Multienrichment Approach

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  • Simon Mayland Fredholm
  • Lise Mette Gjerdrum
  • Andreas Willerslev-Olsen
  • David Leander Petersen
  • Inger Ø. Nielsen
  • Claudia-S Kauczok
  • Marion Wobser
  • Ulrik Ralfkiær
  • Charlotte M Bonefeld
  • Mariusz A Wasik
  • Thorbjørn Krejsgaard
  • Carsten Geisler
  • Elisabeth Ralfkiaer
  • Robert Gniadecki
  • Anders Woetmann
  • Niels Odum
Vis graf over relationer

Eosinophil granulocytes have been implicated in anticancer immunity but recent data indicate that eosinophils can also promote cancer. Herein, we studied eosinophils in skin lesions from 43 patients with mycosis fungoides (MF). The presence of eosinophils correlated with disease stage: 78% of patients with advanced disease displayed eosinophil infiltration, whereas this was only seen in 11% of patients with patches (p<0.01), and in 48% of those with plaque disease. Importantly, 72% of patients with positive staining for phospho-signal-transducer-and-activator-of-transcription (pY-STAT3) in malignant T-cells also stained positively for eosinophils, whereas this was only observed in 28% of pY-STAT3-negative patients (p<0.01). Notably, malignant T-cells expressed eosinophilic activation and trafficking factors: High-mobility group BOX-1 protein (HMGB1) and interleukin 5 (IL5). STAT3 siRNA profoundly inhibited IL5 but not HMGB1 expression. In conclusion, these data suggest that malignant T-cells orchestrate accumulation and activation of eosinophils supporting the notion of STAT3 being a putative target for therapy.

OriginalsprogEngelsk
TidsskriftAnticancer Research
Vol/bind34
Udgave nummer10
Sider (fra-til)5277-86
Antal sider10
ISSN0250-7005
StatusUdgivet - okt. 2014

ID: 44704751