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Erschienen in: European Archives of Oto-Rhino-Laryngology 7/2007

01.07.2007 | Head and Neck

Interleukin-6 directly influences proliferation and invasion potential of head and neck cancer cells

verfasst von: Takeharu Kanazawa, Hiroshi Nishino, Masahiro Hasegawa, Yasushi Ohta, Yukiko Iino, Keiichi Ichimura, Yutaka Noda

Erschienen in: European Archives of Oto-Rhino-Laryngology | Ausgabe 7/2007

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Abstract

Interleukin-6 (IL-6) is a multifunctional regulator of immune response and hematopoiesis. Recently, it has been reported that expression of IL-6 is correlated with prognosis in various cancer patients. In this study, we investigated whether the proliferation and invasion potential of head and neck squamous cell carcinomas (HNSCCs) were influenced by IL-6. All HNSCC cell lines, HEp-2, HSC-2, HSC-4, and SAS, were tested by reverse transcription-polymerase chain reaction (RT-PCR) and expressed the IL-6 receptor (IL-6R), and glycoprotein 130, which is responsible for signal transduction. HEp-2, HSC-2, and HSC-4 also produced IL-6. IL-6 inhibited the proliferation of HSC-2 and SAS, but the invasion potential of all the cell lines increased. Moreover, IL-6 down-regulated soluble IL-6R expression. Anti-IL-6R antibody abrogated the inhibited proliferation and increased invasion induced by IL-6. IL-6 stimulation also induced the extracellular regulated protein kinase 1/2 activation and increased vascular endothelial growth factor release. These results suggest that IL-6 can directly influence cell proliferation and the invasion potential as the first step of tumor metastasis.
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Metadaten
Titel
Interleukin-6 directly influences proliferation and invasion potential of head and neck cancer cells
verfasst von
Takeharu Kanazawa
Hiroshi Nishino
Masahiro Hasegawa
Yasushi Ohta
Yukiko Iino
Keiichi Ichimura
Yutaka Noda
Publikationsdatum
01.07.2007
Verlag
Springer-Verlag
Erschienen in
European Archives of Oto-Rhino-Laryngology / Ausgabe 7/2007
Print ISSN: 0937-4477
Elektronische ISSN: 1434-4726
DOI
https://doi.org/10.1007/s00405-007-0264-6

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