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Published on: October 16, 2016
Targeting Wnt signaling pseudokinases in hematological cancers
Hanna Karvonen1,2, Robert Perttilä1,2, Wilhelmiina Niininen1,2
1BioMediTech Institute, University of Tampere, Tampere, Finland.
Abstract:
Recent studies showed that several pseudokinases from the receptor tyrosine kinase family are important players in regulating cancer cell invasion, metastasis, and drug resistance, suggesting that targeting these proteins can play a therapeutic role in cancer treatment. Receptor Tyr kinase-like orphan receptors (RORs), protein Tyr kinase 7 (PTK7) (also called colon carcinoma kinase 4 (CCK4)), and receptor-like Tyr kinase (RYK) are Wnt ligand binding receptors within the non-canonical Wnt signaling, with important roles in development, tissue homeostasis, and organogenesis. At the cellular level, these receptors transduce signals important for cell survival, migration, polarization, and chemotaxis. Considerable progress has been made in the last decade in the field of pseudokinase signaling, improving our understanding of their structure-function mechanisms, and intracellular network of transduction components. Consequently, their role in various diseases, including cancer, is now scrutinized for therapeutic interventions to improve treatment outcome. In this article, we review findings regarding molecular mechanisms and targeted therapies for ROR1, PTK7, and RYK in hematological malignancies.
Insights
Targeting pseudokinases like ROR1, PTK7, and RYK offers a promising therapeutic strategy for hematological malignancies. Understanding their molecular mechanisms is key to developing effective cancer treatments.
Area of Science:
- Oncology
- Molecular Biology
- Signal Transduction
Background:
- Pseudokinases, particularly from the receptor tyrosine kinase family, are implicated in cancer progression, including invasion, metastasis, and drug resistance.
- Receptor Tyr kinase-like orphan receptors (RORs), protein Tyr kinase 7 (PTK7), and receptor-like Tyr kinase (RYK) are key Wnt signaling receptors involved in cellular functions like migration and polarization.
- Recent advancements have enhanced understanding of pseudokinase structure-function relationships and signaling networks.
Purpose of the Study:
- To review the molecular mechanisms of ROR1, PTK7, and RYK.
- To explore targeted therapies for these pseudokinases in the context of hematological malignancies.
- To highlight their therapeutic potential in cancer treatment.
Main Methods:
- Literature review of recent studies on pseudokinases ROR1, PTK7, and RYK.
- Analysis of molecular mechanisms governing their signaling pathways.
- Examination of current and emerging targeted therapeutic strategies.
Main Results:
- Pseudokinases ROR1, PTK7, and RYK play significant roles in regulating cancer cell behaviors.
- Their involvement in non-canonical Wnt signaling impacts cell survival, migration, and polarization.
- Progress in understanding pseudokinase signaling provides a basis for therapeutic interventions.
Conclusions:
- Targeting ROR1, PTK7, and RYK presents a viable therapeutic avenue for hematological malignancies.
- Further research into their molecular mechanisms can optimize targeted cancer therapies.
- Understanding pseudokinase signaling is crucial for improving cancer treatment outcomes.
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