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Updated: Jun 29, 2025
Author Spotlight: Unraveling the Dynamics of Eukaryotic DNA Replication Through Single-Molecule Visualization
Published on: September 27, 2024
Unwinding Helicase MCM Functionality for Diagnosis and Therapeutics of Replication Abnormalities Associated with
Arathi Radhakrishnan1, Ritwik Gangopadhyay1, Chandresh Sharma2
1Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, India.
Abstract:
The minichromosome maintenance (MCM) protein is a component of an active helicase that is essential for the initiation of DNA replication. Dysregulation of MCM functions contribute to abnormal cell proliferation and genomic instability. The interactions of MCM with cellular factors, including Cdc45 and GINS, determine the formation of active helicase and functioning of helicase. The functioning of MCM determines the fate of DNA replication and, thus, genomic integrity. This complex is upregulated in precancerous cells and can act as an important tool for diagnostic applications. The MCM protein complex can be an important broad-spectrum therapeutic target in various cancers. Investigations have supported the potential and applications of MCM in cancer diagnosis and its therapeutics. In this article, we discuss the physiological roles of MCM and its associated factors in DNA replication and cancer pathogenesis.
Insights
Minichromosome maintenance (MCM) proteins are crucial for DNA replication. Their dysregulation is linked to cancer, highlighting MCM
Area of Science:
- Molecular Biology
- Cell Biology
- Oncology
Background:
- Minichromosome maintenance (MCM) proteins are essential components of the DNA replication machinery.
- Dysregulation of MCM function is implicated in abnormal cell proliferation and genomic instability.
- MCM interactions with factors like Cdc45 and GINS are critical for active helicase formation and function.
Purpose of the Study:
- To discuss the physiological roles of MCM proteins and associated factors in DNA replication.
- To explore the involvement of MCM in cancer pathogenesis.
- To highlight the diagnostic and therapeutic potential of MCM in cancer.
Main Methods:
- Literature review of MCM protein functions.
- Analysis of MCM's role in DNA replication initiation.
- Investigation of MCM complex involvement in cell cycle regulation and cancer.
Main Results:
- MCM complex activity is vital for DNA replication and genomic integrity.
- Upregulation of MCM is observed in precancerous cells.
- MCM complex shows potential as a diagnostic marker and therapeutic target in various cancers.
Conclusions:
- MCM proteins play a fundamental role in DNA replication and maintaining genomic stability.
- Aberrant MCM function contributes to cancer development.
- The MCM complex represents a promising target for cancer diagnostics and therapeutics.
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