Journal
CELL BIOLOGY AND TOXICOLOGY
Volume 37, Issue 5, Pages 653-678Publisher
SPRINGER
DOI: 10.1007/s10565-021-09605-0
Keywords
Cancer; Chronic inflammation; Protein-protein interactions; Pyruvate kinase M2 (PKM2)
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Funding
- NIPER-Ahmedabad
- NIPER-Ahmedabad, Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Government of India
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PKM2 plays a crucial role in the pathogenesis of various diseases by interacting with a network of proteins, including EGFR, APE1, and PTP1B. Its interactions contribute to the onset of diseases like cancer, Alzheimer's, and diabetes. New treatments targeting PKM2 may provide options for managing inflammation-related disorders.
Chronic inflammation (CI) is a primary contributing factor involved in multiple diseases like cancer, stroke, diabetes, Alzheimer's disease, allergy, asthma, autoimmune diseases, coeliac disease, glomerulonephritis, sepsis, hepatitis, inflammatory bowel disease, reperfusion injury, and transplant rejections. Despite several expansions in our understanding of inflammatory disorders and their mediators, it seems clear that numerous proteins participate in the onset of CI. One crucial protein pyruvate kinase M2 (PKM2) much studied in cancer is also found to be inextricably woven in the onset of several CI's. It has been found that PKM2 plays a significant role in several disorders using a network of proteins that interact in multiple ways. For instance, PKM2 forms a close association with epidermal growth factor receptors (EGFRs) for uncontrolled growth and proliferation of tumor cells. In neurodegeneration, PKM2 interacts with apurinic/apyrimidinic endodeoxyribonuclease 1 (APE1) to onset Alzheimer's disease pathogenesis. The cross-talk of protein tyrosine phosphatase 1B (PTP1B) and PKM2 acts as stepping stones for the commencement of diabetes. Perhaps PKM2 stores the potential to unlock the pathophysiology of several diseases. Here we provide an overview of the notoriously convoluted biology of CI's and PKM2. The cross-talk of PKM2 with several proteins involved in stroke, Alzheimer's, cancer, and other diseases has also been discussed. We believe that considering the importance of PKM2 in inflammation-related diseases, new options for treating various disorders with the development of more selective agents targeting PKM2 may appear.
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