Sirtuins in Central Nervous System Tumors-Molecular Mechanisms and Therapeutic Targeting

Area of Science:

• Molecular Biology
• Oncology
• Biochemistry

Background:

• Sirtuins (SIRTs) are NAD+-dependent enzymes involved in critical cellular processes.
• Their roles in epigenetic regulation, metabolism, DNA repair, and stress response are relevant to glioma biology.

Purpose of the Study:

• To systematically review the molecular mechanisms and context-specific functions of SIRT1-SIRT7 in central nervous system tumors, focusing on gliomas.
• To explore the therapeutic potential of sirtuin modulators in glioma treatment.

Main Methods:

• Systematic review of literature on sirtuins in central nervous system tumors.
• Analysis of preclinical studies on sirtuin modulators and their effects on glioma cells.

Main Results:

• SIRT1, SIRT3, SIRT5, and SIRT7 are frequently overexpressed, promoting glioma progression.
• SIRT2, SIRT4, and SIRT6 generally act as tumor suppressors.
• Sirtuin modulators impact tumor growth, chemoresistance, and key signaling pathways (e.g., JAK2/STAT3, NF-κB).

Conclusions:

• Sirtuins represent promising therapeutic targets for glioma.
• Further clinical evaluation of sirtuin modulators is warranted for combined strategies and patient stratification.