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Updated: Jan 20, 2026

Pre-clinical Evaluation of Tyrosine Kinase Inhibitors for Treatment of Acute Leukemia
Published on: September 18, 2013
Development of Novel Irreversible Pyruvate Kinase M2 Inhibitors
I-Shan Hsieh1, Balraj Gopula1,2, Chi-Chi Chou1
1Institute of Biological Chemistry , Academia Sinica , Taipei 11529 , Taiwan.
Researchers developed a novel irreversible inhibitor, compound 1, targeting pyruvate kinase M2 (PKM2) to suppress cancer growth. This compound effectively reduced tumor growth in mice without toxicity, showing promise for new cancer therapies.
Area of Science:
- Biochemistry
- Oncology
- Pharmacology
Background:
- Cancer cells exhibit metabolic reprogramming during tumorigenesis.
- Targeting cancer cell metabolism is a key therapeutic strategy.
- Pyruvate kinase M2 (PKM2) plays a crucial role in tumor growth and progression.
Purpose of the Study:
- To develop and characterize a novel irreversible inhibitor of PKM2.
- To investigate the tumor-suppressive effects of the inhibitor.
- To identify the specific binding sites of the inhibitor on PKM2.
Main Methods:
- Development of a novel irreversible PKM2 inhibitor, compound 1.
- Utilized clickable activity-based protein profiling (ABPP) and SILAC coupled with LC-MS/MS.
- Evaluated compound 1 efficacy in xenograft mouse models.
Main Results:
- Compound 1 demonstrated differential tumor-suppressive effects across various cancer cell lines.
- Identified Cys-317 and Cys-326 residues of PKM2 as covalent binding sites.
- Compound 1 (10 mg/kg) suppressed xenograft tumor growth in mice without acute toxicity.
Conclusions:
- Compound 1 effectively targets PKM2's metabolic and oncogenic functions.
- The novel PKM2 inhibitor shows translational potential for cancer therapy.
- Further development of compound 1 could lead to new cancer treatment strategies.
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