The WNT/ROR Pathway in Cancer: From Signaling to Therapeutic Intervention.
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| Abstract |
The WNT pathway is one of the major signaling cascades frequently deregulated in human cancer. While research had initially focused on signal transduction centered on β-catenin as a key effector activating a pro-tumorigenic transcriptional response, nowadays it is known that WNT ligands can also induce a multitude of β-catenin-independent cellular pathways. Traditionally, these comprise WNT/planar cell polarity (PCP) and WNT/Ca2+ signaling. In addition, signaling via the receptor tyrosine kinase-like orphan receptors (RORs) has gained increasing attention in cancer research due to their overexpression in a multitude of tumor entities. Active WNT/ROR signaling has been linked to processes driving tumor development and progression, such as cell proliferation, survival, invasion, or therapy resistance. In adult tissue, the RORs are largely absent, which has spiked the interest in them for targeted cancer therapy. Promising results in preclinical and initial clinical studies are beginning to unravel the great potential of such treatment approaches. In this review, we summarize seminal findings on the structure and expression of the RORs in cancer, their downstream signaling, and its output in regard to tumor cell function. Furthermore, we present the current clinical anti-ROR treatment strategies and discuss the state-of-the-art, as well as the challenges of the different approaches.
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| Authors | Kerstin Menck, Saskia Heinrichs, Cornelia Baden, Annalen Bleckmann |
| Journal | Cells (Cells) Vol. 10 Issue 1 (01 12 2021) ISSN: 2073-4409 [Electronic] Switzerland |
| PMID | 33445713 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't, Review) |
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