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Published on: October 27, 2020
Exploring anti-TGF-β therapies in cancer and fibrosis
Lukas J A C Hawinkels1, Peter Ten Dijke
1Department of Molecular Cell Biology and Centre for Biomedical Genetics, Leiden University Medical Center, Leiden, The Netherlands.
Abstract:
Transforming growth factor-β (TGF-β) is a multifunctional cytokine, with important roles in maintaining tissue homeostasis. TGF-β signals via transmembrane serine/threonine kinase receptors and intracellular Smad transcriptional regulators. Perturbed TGF-β signaling has been implicated in a large variety of pathological conditions. Increased TGF-β levels have been found in patients with cancer, fibrosis, and systemic sclerosis, and were correlated with disease severity. In cancer, TGF-β mediates tumor invasion and metastasis by affecting both tumor cells and the tumor microenvironment including fibroblast activation and immune suppression. Furthermore, TGF-β is a strong stimulator of extracellular matrix deposition. On the basis of these observations, small molecule inhibitors of the TGF-β receptor kinases, neutralizing antibodies that interfere with ligand?receptor interactions, antisense oligonucleotides reducing TGF-β expression, and soluble receptor ectodomains that sequester TGF-β have been developed to intervene with excessive TGF-β signaling activity in the aforementioned disorders. Here, we review the current state of anti-TGF-β therapy in clinical trials.
Insights
Transforming growth factor-β (TGF-β) therapies target its role in diseases like cancer and fibrosis. This review examines current clinical trials for anti-TGF-β treatments, offering hope for managing these conditions.
Area of Science:
- Molecular Biology
- Cell Signaling
- Immunology
Background:
- Transforming growth factor-β (TGF-β) is a key cytokine regulating tissue homeostasis.
- Dysregulated TGF-β signaling is linked to cancer, fibrosis, and systemic sclerosis, often correlating with disease severity.
- TGF-β promotes tumor invasion, metastasis, fibroblast activation, immune suppression, and extracellular matrix deposition.
Purpose of the Study:
- To review the current status of anti-TGF-β therapies in clinical trials.
- To provide an overview of therapeutic strategies targeting TGF-β signaling pathways.
- To highlight the potential of TGF-β inhibition in treating various pathological conditions.
Main Methods:
- Review of existing literature on TGF-β signaling and therapeutic interventions.
- Analysis of clinical trial data for anti-TGF-β agents.
- Summary of different therapeutic approaches including small molecule inhibitors, neutralizing antibodies, antisense oligonucleotides, and soluble receptors.
Main Results:
- Multiple therapeutic strategies targeting TGF-β signaling are under investigation in clinical trials.
- These therapies aim to counteract the detrimental effects of excessive TGF-β in diseases like cancer and fibrosis.
- The development of these agents reflects the significant role of TGF-β in various pathological processes.
Conclusions:
- Anti-TGF-β therapies represent a promising avenue for treating diseases associated with aberrant TGF-β signaling.
- Clinical trials are evaluating the efficacy and safety of diverse therapeutic modalities.
- Further research and clinical evaluation are crucial to establish the role of these therapies in patient care.
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