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Analyzing Tumor and Tissue Distribution of Target Antigen Specific Therapeutic Antibody
Published on: May 16, 2020
Progress and challenge in development of biotherapeutics targeting MET receptor for treatment of advanced cancer
Hang-Ping Yao1, Rachel Hudson2, Ming-Hai Wang3
1State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; National Clinical Research Center for Infectious Diseases, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Abstract:
Advanced epithelial cancers such as gastric, lung, and pancreatic tumors are featured by invasive proliferation, distant metastasis, acquired chemoresistance, and tumorigenic stemness. For the last decade, molecular-targeted therapies using therapeutic antibodies, small molecule kinase inhibitors and immune-checkpoint blockades have been applied for these diseases with significant clinical benefits. Nevertheless, there is still a large gap to achieve curative outcomes. MET (mesenchymal-epithelial transition protein), a receptor tyrosine kinase, is a tumorigenic determinant that regulates epithelial cancer initiation, progression, and malignancy. Increased MET expression also has prognostic value for cancer progression and patient survival. These features provide the rationale to target MET for cancer treatment. In this review, we discuss the importance of MET in epithelial tumorigenesis and the development of antibody-based biotherapeutics, including bispecific antibodies and antibody-drug conjugates, for clinical application. The findings from both preclinical and clinical studies highlight the potential of MET-targeted biotherapeutics for cancer therapy in the future.
Insights
Targeting the MET receptor tyrosine kinase shows promise for treating advanced epithelial cancers like gastric and lung tumors. Antibody-based therapies offer a future direction for improving patient survival and achieving curative outcomes.
Area of Science:
- Oncology
- Molecular Biology
- Immunotherapy
Background:
- Advanced epithelial cancers (gastric, lung, pancreatic) exhibit invasive growth, metastasis, chemoresistance, and stemness.
- Current therapies (antibodies, kinase inhibitors, checkpoint blockades) offer benefits but fall short of curative outcomes.
- The MET receptor tyrosine kinase is crucial in epithelial cancer initiation, progression, and malignancy, with elevated expression correlating with poor prognosis.
Purpose of the Study:
- To review the critical role of MET in epithelial tumorigenesis.
- To discuss the development and clinical potential of antibody-based biotherapeutics targeting MET.
- To highlight MET-targeted therapies as a future strategy for advanced epithelial cancers.
Main Methods:
- Literature review of preclinical and clinical studies on MET and its targeted therapies.
- Analysis of MET's function in cancer initiation, progression, and metastasis.
- Evaluation of antibody-based biotherapeutics, including bispecific antibodies and antibody-drug conjugates.
Main Results:
- MET is a key driver of epithelial cancer malignancy and progression.
- Increased MET expression is a significant prognostic indicator for patient survival.
- Antibody-based biotherapeutics targeting MET demonstrate therapeutic potential.
Conclusions:
- MET is a validated therapeutic target for epithelial cancers.
- Antibody-based biotherapeutics, including bispecific antibodies and ADCs, show promise for clinical application.
- Targeting MET offers a future strategy to improve outcomes in advanced epithelial cancers.
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