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Updated: Jan 6, 2026

Deacetylation Assays to Unravel the Interplay between Sirtuins SIRT2 and Specific Protein-substrates
Published on: February 27, 2016
Research progress on sirtuin family genes in colorectal cancer
Tong Liu1, Tianhua Wu1, Lijun Luo2
1Department of General Surgery, Zhongshan Hospital of Traditional Chinese Medicine Affiliated to Guangzhou University of Traditional Chinese Medicine, Zhongshan, Guangdong, China.
Abstract:
Sirtuins are a highly conserved family of NAD+-dependent deacetylases involved in regulating critical biological processes such as cell survival, antioxidation, gene transcription, proliferation, differentiation, DNA repair, and mitochondrial function. Recent studies have revealed that altered expression of sirtuin family genes in mammals is closely linked to the development of various diseases, including metabolic disorders, ageing, and cancer. In colorectal cancer (CRC), sirtuins play dual regulatory roles, modulating tumour cell proliferation, migration, invasion, and apoptosis while also activating pro-oncogenic signalling pathways or suppressing tumour progression, depending on context. This review systematically summarizes the research progress on sirtuin family genes in CRC, highlighting their dual roles (pro-tumorigenic and tumour-suppressive) and molecular mechanisms. These findings underscore the potential of sirtuins as therapeutic targets in CRC. The development of selective activators or inhibitors, combined with metabolic interventions or immunotherapy, may provide novel strategies for precision CRC treatment.
Insights
Sirtuins, NAD+-dependent enzymes, have dual roles in colorectal cancer (CRC), acting as both tumor promoters and suppressors. Understanding their mechanisms offers potential for novel CRC therapies.
Area of Science:
- Biochemistry
- Molecular Biology
- Oncology
Background:
- Sirtuins are NAD+-dependent deacetylases regulating vital cellular functions.
- Dysregulated sirtuin expression is linked to aging, metabolic disorders, and cancer.
- In colorectal cancer (CRC), sirtuins exhibit context-dependent dual roles.
Purpose of the Study:
- To systematically review research on sirtuin family genes in CRC.
- To highlight the dual pro-tumorigenic and tumor-suppressive functions of sirtuins in CRC.
- To elucidate the molecular mechanisms underlying sirtuin activity in CRC.
Main Methods:
- Systematic literature review.
- Analysis of published research on sirtuin genes in colorectal cancer.
- Synthesis of findings on molecular mechanisms and therapeutic potential.
Main Results:
- Sirtuins modulate CRC cell proliferation, migration, invasion, and apoptosis.
- Sirtuins can activate pro-oncogenic pathways or suppress tumor progression in CRC.
- Specific sirtuin family members display distinct roles in CRC development.
Conclusions:
- Sirtuins present a complex regulatory network in CRC.
- Sirtuins are promising therapeutic targets for precision CRC treatment.
- Targeted sirtuin modulators combined with other therapies may offer novel CRC treatment strategies.
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