| Title: |
Insights into existing and futuristic treatment approach for chronic myeloid leukaemia. |
| Authors: |
Tyagi, Sourabh1 (AUTHOR), Singh, Anu2 (AUTHOR), Sharma, Naveen3 (AUTHOR), Chaturvedi, Rupesh1 (AUTHOR), Kushwaha, Hemant Ritturaj1 (AUTHOR) |
| Source: |
Indian Journal of Medical Research. May2024, Vol. 159 Issue 5, p1-16. 16p. |
| Subject Terms: |
*CHRONIC myeloid leukemia, *PHILADELPHIA chromosome, *HEMATOPOIETIC stem cells, *PROTEIN-tyrosine kinase inhibitors, *GENE fusion |
| Abstract: |
Oncogenes play a crucial part in human cancer development, and when particular drugs obstruct the proteins produced by these oncogenes, the tumoural process can be ceased. For instance, in chronic myeloid leukaemia (CML), all pathological traits are associated with a single oncogene, BCR-ABL1. CML is a triphasic cancerous disorder of haematopoietic stem cells, marked by a balanced translocation between chromosomes 9 and 22, leading to the genesis of a Philadelphia chromosome encompassing the BCR-ABL1 fusion gene. This fusion oncogene further produces a constitutive active tyrosine kinase protein, enhancing the downstream signalling pathways and constitutes cancer. The treatment for CML has been entirely altered from chemotherapy and immunotherapy to targeted therapy with the emergence of tyrosine kinase inhibitors (TKIs) which inhibit BCR-ABL1 kinase activity. However, the inhibitory mechanism of TKIs is constrained by BCR-ABL1 dependent and independent resistance mechanisms, prompting the exploration of novel therapeutics through extensive clinical trials to develop next-generation drugs with enhanced potency. The persistent challenges posed by CML have motivated researchers to seek innovative strategies for its eradication, such as the application of the genome editing tool CRISPR/Cas9. This review provides insights into existing CML diagnoses, treatment modalities, resistance mechanisms, drugs under trial phases and new potential therapeutic drugs. Furthermore, the review looks ahead to a visionary perspective wherein the CRISPR/Cas9 approach holds the potential to evolve into a prospective curative measure for CML. [ABSTRACT FROM AUTHOR] |
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