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Src Family Kinases as Therapeutic Targets in Advanced Solid Tumors: What We Have Learned so Far
Stefano Martellucci1,2, Letizia Clementi1, Samantha Sabetta1
1Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, 67100 L'Aquila, Italy.
Abstract:
Src is the prototypal member of Src Family tyrosine Kinases (SFKs), a large non-receptor kinase class that controls multiple signaling pathways in animal cells. SFKs activation is necessary for the mitogenic signal from many growth factors, but also for the acquisition of migratory and invasive phenotype. Indeed, oncogenic activation of SFKs has been demonstrated to play an important role in solid cancers; promoting tumor growth and formation of distant metastases. Several drugs targeting SFKs have been developed and tested in preclinical models and many of them have successfully reached clinical use in hematologic cancers. Although in solid tumors SFKs inhibitors have consistently confirmed their ability in blocking cancer cell progression in several experimental models; their utilization in clinical trials has unveiled unexpected complications against an effective utilization in patients. In this review, we summarize basic molecular mechanisms involving SFKs in cancer spreading and metastasization; and discuss preclinical and clinical data highlighting the main challenges for their future application as therapeutic targets in solid cancer progression.
Insights
Src Family tyrosine Kinases (SFKs) drive cancer growth and metastasis. While SFK inhibitors show promise in solid tumors, clinical application faces challenges, necessitating further research for effective cancer therapy.
Area of Science:
- Molecular Biology
- Oncology
- Biochemistry
Background:
- Src Family tyrosine Kinases (SFKs) are crucial non-receptor kinases regulating cell signaling.
- SFKs are implicated in cell proliferation, migration, invasion, and metastasis in solid cancers.
- SFK dysregulation is linked to tumor growth and the formation of distant metastases.
Purpose of the Study:
- To review the molecular mechanisms of SFKs in cancer spreading and metastasis.
- To discuss preclinical and clinical data on SFK inhibitors in solid tumors.
- To highlight challenges and future directions for SFK-targeted therapy in solid cancers.
Main Methods:
- Literature review of molecular mechanisms.
- Analysis of preclinical data on SFK inhibitors.
- Evaluation of clinical trial outcomes for SFK-targeted therapies.
Main Results:
- SFKs play a significant role in promoting tumor growth and metastasis.
- SFK inhibitors demonstrate efficacy in blocking cancer progression in preclinical models.
- Clinical trials reveal unexpected complications hindering effective patient utilization of SFK inhibitors in solid tumors.
Conclusions:
- SFKs are key drivers of cancer progression and metastasis.
- Targeting SFKs presents a promising therapeutic strategy for solid tumors.
- Overcoming clinical challenges is essential for the successful application of SFK inhibitors in cancer treatment.
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