SIRT6 Gene

SIRT6 Gene

Introduction

Sirt6 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

<div class="infobox infobox-gene"> [@kawahara2009]
<div class="infobox-header">SIRT6</div> [@zhong2010]
<div class="infobox-content"> [@simon2020] Full Name: Sirtuin 6 (Nuclear/Mitochondrial)<br> Chromosomal Location: 19p13.3<br> NCBI Gene ID: 51588<br> OMIM: 606211<br> Ensembl ID: ENSG00000173120<br> UniProt: Q9Y5W5<br> Associated Diseases: Alzheimer's Disease, Parkinson's Disease, Huntington's Disease, Cancer, Progeria
</div>
</div>

Pathway Diagram

SIRT6 Gene

Introduction

Sirt6 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

<div class="infobox infobox-gene"> [@kawahara2009]
<div class="infobox-header">SIRT6</div> [@zhong2010]
<div class="infobox-content"> [@simon2020] Full Name: Sirtuin 6 (Nuclear/Mitochondrial)<br> Chromosomal Location: 19p13.3<br> NCBI Gene ID: 51588<br> OMIM: 606211<br> Ensembl ID: ENSG00000173120<br> UniProt: Q9Y5W5<br> Associated Diseases: Alzheimer's Disease, Parkinson's Disease, Huntington's Disease, Cancer, Progeria
</div>
</div>

Pathway Diagram

Overview

SIRT6 (Sirtuin 6) is a NAD+-dependent nuclear and mitochondrial class III deacetylase with ADP-ribosyltransferase activity. It is a chromatin regulator that controls DNA repair, genome stability, inflammation, and metabolic processes. SIRT6 is considered a longevity-associated protein and has emerged as an important protective factor in neurodegenerative diseases through its roles in DNA repair and stress response.

Function

SIRT6 exhibits multiple enzymatic activities:

• Deacetylase: Primary activity - deacetylates H3K9, H3K56
• ADP-Ribosyltransferase: Transfers ADP-ribose to target proteins
• Mono-ADP-Ribosylation: Unique activity among sirtuins
• DNA Repair: Promotes base excision repair and double-strand break repair
• Chromatin Regulation: Maintains heterochromatin through H3K9 deacetylation
• [NF-κB](/entities/nf-kb) Signaling: Deacetylates RELA to suppress inflammation
• Metabolic Regulation: Controls glycolysis and stress responses

Disease Associations

Alzheimer's Disease

• Maintains genomic stability in [neurons](/entities/neurons)
• Reduces neuroinflammation through NF-κB suppression
• Protects against DNA damage accumulation
• May reduce [tau](/proteins/tau) pathology
• SIRT6 expression decreases with age and in AD

Parkinson's Disease

• DNA repair in neurons (vulnerable to DNA damage)
• Mitochondrial function maintenance
• Anti-inflammatory effects
• Protection against oxidative stress

Huntington's Disease

• Counteracts mutant [huntingtin](/proteins/huntingtin) toxicity
• DNA repair deficits in HD
• Metabolic dysregulation
• SIRT6 activators show preclinical promise

Expression

SIRT6 is expressed in most tissues:

• Brain: [cortex](/brain-regions/cortex), [hippocampus](/brain-regions/hippocampus), cerebellum
• Substantia nigra
• Low expression but inducible under stress
• Nuclear and mitochondrial localization

Key Publications

Therapeutic Targeting

| Agent | Mechanism | Development Stage | Notes |
|-------|-----------|-------------------|-------|
| MDL-801 | SIRT6 activator | Preclinical | Increases SIRT6 activity |
| NAD+ precursors | Increase SIRT6 activity | Phase II | NR, NMN benefit |
| SRT2104 | Broader sirtuin activator | Phase I | May increase SIRT6 |
| SIRT6 gene therapy | Direct delivery | Preclinical | Novel approach |

Cross-Links

• [SIRT6 Protein](/proteins/sirt6-protein)
• [SIRT1 Gene](/genes/sirt1)
• [DNA Repair Pathways](/mechanisms/dna-repair-pathways)
• [Alzheimer's Disease](/diseases/alzheimers-disease)
• [Parkinson's Disease](/diseases/parkinsons-disease-disease)

Background

The study of Sirt6 Gene has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.

Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.

See Also

• [Alzheimer's Disease](/diseases/alzheimers-disease)
• [Amyloid Hypothesis](/mechanisms/amyloid-hypothesis)
• [Tau Pathology](/mechanisms/tau-pathology)
• [Parkinson's Disease](/diseases/parkinsons-disease)
• [Alpha-Synuclein](/mechanisms/alpha-synuclein)

External Links

• [NCBI Gene: SIRT6](https://www.ncbi.nlm.nih.gov/gene/51588)
• [UniProt: Q9Y5W5](https://www.uniprot.org/uniprot/Q9Y5W5)
• [OMIM: 606211](https://www.omim.org/entry/606211)

References

Related Hypotheses

From the [SciDEX Exchange](/exchange) — scored by multi-agent debate

• [SIRT6-NAD+ Axis Enhancement Therapy](/hypothesis/h-50a535f9) — <span style="color:#ff8a65;font-weight:600">0.38</span> · Target: SIRT6

Pathway Diagram

The following diagram shows the key molecular relationships involving SIRT6 Gene discovered through SciDEX knowledge graph analysis: