The stem cell factor (SCF)/c-KIT system in carcinogenesis of reproductive tissues: What does the hormonal regulation tell us?
The tyrosine kinase receptor c-KIT and its ligand, the stem cell factor (SCF) are expressed in several tissues of male and female reproductive tract, playing an important role in the regulation of basic biological processes. The activation of c-KIT by SCF controls, cell survival and death, cell diff...
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Veröffentlicht in: | Cancer letters 2017-10, Vol.405, p.10-21 |
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Sprache: | eng |
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Zusammenfassung: | The tyrosine kinase receptor c-KIT and its ligand, the stem cell factor (SCF) are expressed in several tissues of male and female reproductive tract, playing an important role in the regulation of basic biological processes. The activation of c-KIT by SCF controls, cell survival and death, cell differentiation and migration. Also, the SCF/c-KIT system has been implicated in carcinogenesis of reproductive tissues due to its altered expression pattern or overactivation in consequence of gain-of-functions mutations. Over the years, it has also been shown that hormones, the primary regulators of reproductive function and causative agents in the case of hormone-dependent cancers, are also able to control the SCF/c-KIT tissue levels. Therefore, it is liable to suppose that disturbed SCF/c-KIT expression driven by (de)regulated hormone actions can be a relevant step towards carcinogenesis. The present review describes the SCF and c-KIT expression in cancers of reproductive tissues, discussing the implications of the hormonal regulation of the SCF/c-KIT system in cancer development. Understanding the relationship between hormonal imbalance and the SCF/c-KIT expression and activity would be relevant in the context of novel therapeutic approaches in reproductive cancers.
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•c-KIT and its ligand SCF are overexpressed in cancers of reproductive tissues.•c-KIT overexpression, activating mutations and the tr-KIT variant were associated with carcinogenesis.•Hormonal (de)regulation alters c-KIT expression towards carcinogenesis. |
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ISSN: | 0304-3835 1872-7980 |
DOI: | 10.1016/j.canlet.2017.07.017 |