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KIF18A inhibition: the next big player in the search for cancer therapeutics
Ain Syafiza Mohd Amin1, Sarah Eastwood1, Courtney Pilcher1
1STEM College, RMIT University, 225-245 Plenty Rd, Bundoora, VIC, 3083, Australia.
Abstract:
Kinesin-like protein 18A (KIF18A) is a member of the kinesin family of molecular motor proteins, which utilise energy from the hydrolysis of adenosine triphosphate (ATP) to regulate critical cellular processes such as chromosome movement and microtubule dynamics. KIF18A plays a vital role in controlling microtubule length, which is crucial for maintaining proper cell function and division. Notably, increased expression levels of KIF18A have been observed in various types of cancer, indicating its potential involvement in tumour progression. Although preclinical studies have demonstrated that KIF18A is not essential for normal somatic cell division, it appears to be crucial for the survival and division of cancer cells, particularly those exhibiting chromosomal instability. This dependency makes KIF18A a promising target for developing new therapeutic strategies aimed at treating chromosomally unstable cancers. This review delves into the structural and functional aspects of KIF18A, and its role in cancer development, and evaluates current and emerging approaches to targeting KIF18A with innovative cancer treatments.
Insights
Kinesin-like protein 18A (KIF18A) is crucial for cancer cell survival and division, especially in tumors with chromosomal instability. Targeting KIF18A offers a promising therapeutic strategy for these cancers.
Area of Science:
- Molecular biology
- Cell biology
- Oncology
Background:
- Kinesin-like protein 18A (KIF18A) is a motor protein regulating microtubule dynamics and chromosome segregation.
- Elevated KIF18A expression is linked to various cancers, suggesting a role in tumor progression.
- KIF18A is essential for cancer cell proliferation but not normal somatic cell division.
Purpose of the Study:
- To review the structural and functional characteristics of KIF18A.
- To elucidate the role of KIF18A in cancer development and progression.
- To evaluate therapeutic strategies targeting KIF18A for cancer treatment.
Main Methods:
- Literature review of KIF18A's role in cell division and cancer.
- Analysis of preclinical studies on KIF18A function in cancer cells.
- Evaluation of current and emerging KIF18A-targeted cancer therapies.
Main Results:
- KIF18A controls microtubule length, vital for cell division.
- Cancer cells, particularly those with chromosomal instability, depend on KIF18A for survival.
- KIF18A inhibition selectively impacts cancer cell division.
Conclusions:
- KIF18A is a critical mediator of cancer cell division and survival.
- The dependency of chromosomally unstable cancers on KIF18A makes it a viable therapeutic target.
- Targeting KIF18A presents a promising avenue for novel cancer treatment strategies.
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