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Challenges in validating candidate therapeutic targets in cancer
Jeffrey Settleman1, Charles L Sawyers2, Tony Hunter3
1Calico Life Sciences, South San Francisco, United States.
Elife
|February 9, 2018
Summary
Recent studies challenge the role of MELK (maternal embryonic leucine-rich protein kinase) as a cancer therapeutic target. This highlights issues with common research tools used in cancer drug discovery.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Maternal embryonic leucine-rich protein kinase (MELK) has been proposed as a promising therapeutic target for various human cancers.
- Over 30 publications have supported MELK's role in cancer progression and its potential as a drug target.
Purpose of the Study:
- To critically evaluate the evidence supporting MELK as a therapeutic target in human cancer.
- To investigate the reliability of research tools used in validating MELK's role in cancer.
Main Methods:
- Review of recent scientific literature and published reports.
- Analysis of experimental data and research methodologies used to study MELK.
- Assessment of the validity of commonly used research tools in cancer target validation.
Main Results:
- Three recent reports provide compelling evidence against MELK being a viable therapeutic target.
- These studies reveal significant caveats and limitations associated with the research tools previously used to support MELK's candidacy.
- The findings question the established understanding of MELK's function in cancer.
Conclusions:
- The therapeutic potential of MELK in human cancer is questionable.
- Caution is advised regarding the interpretation of results obtained using certain research tools in cancer target validation.
- Further research is needed to identify reliable therapeutic targets and validated tools for cancer treatment.
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