GSS Gene

GSS Gene

Overview

GSS Gene

Overview

<table class="infobox infobox-gene">
<tr>
<th class="infobox-header" colspan="2">GSS Gene</th>
</tr>
<tr>
<td class="label">Gene Symbol</td>
<td>GSS</td>
</tr>
<tr>
<td class="label">Full Name</td>
<td>Glutathione Synthetase</td>
</tr>
<tr>
<td class="label">Chromosomal Location</td>
<td>20q11.22</td>
</tr>
<tr>
<td class="label">NCBI Gene ID</td>
<td>2937</td>
</tr>
<tr>
<td class="label">OMIM ID</td>
<td>601002</td>
</tr>
<tr>
<td class="label">Ensembl ID</td>
<td>ENSG00000100977</td>
</tr>
<tr>
<td class="label">UniProt ID</td>
<td>P16455</td>
</tr>
<tr>
<td class="label">Compound</td>
<td>Mechanism</td>
</tr>
<tr>
<td class="label">N-acetylcysteine</td>
<td>GSH precursor</td>
</tr>
<tr>
<td class="label">Glutathione (reduced)</td>
<td>Direct supplementation</td>
</tr>
<tr>
<td class="label">Sulforaphane</td>
<td>Nrf2 activation -> up GSS</td>
</tr>
<tr>
<td class="label">Approach</td>
<td>Status</td>
</tr>
<tr>
<td class="label">N-acetylcysteine</td>
<td>Clinical</td>
</tr>
<tr>
<td class="label">GSS expression enhancement</td>
<td>Research</td>
</tr>
<tr>
<td class="label">Small molecule activators</td>
<td>Preclinical</td>
</tr>
<tr>
<td class="label">Associated Diseases</td>
<td><a href="/wiki/ad" style="color:#ef9a9a">AD</a>, <a href="/wiki/ami" style="color:#ef9a9a">AMI</a>, <a href="/wiki/arm" style="color:#ef9a9a">ARM</a>, <a href="/wiki/aging" style="color:#ef9a9a">Aging</a>, <a href="/wiki/als" style="color:#ef9a9a">Als</a></td>
</tr>
<tr>
<td class="label">KG Connections</td>
<td><a href="/atlas" style="color:#4fc3f7">76 edges</a></td>
</tr>
</table>

Gss Gene plays an important role in the study of neurodegenerative diseases. This page provides comprehensive information about this topic, including its mechanisms, significance in disease processes, and therapeutic implications.

Introduction

Gss 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. [@ristoff2000]

The GSS gene (Glutathione Synthetase) encodes the enzyme glutathione synthetase, which catalyzes the second step of glutathione biosynthesis. Glutathione is the body's most important antioxidant, and GSS deficiency leads to severe metabolic disorders and neurodegeneration. [@townsend2003]

Gene Overview

Normal Function

Glutathione synthetase (GS) is a key enzyme in glutathione biosynthesis:

• Catalyzes conversion: ADP + γ-glutamylcysteine + glycine → Glutathione
• Cellular defense: Essential for maintaining cellular redox balance
• Detoxification: Protects against oxidative stress and xenobiotics

Brain Expression

GSS is expressed in all brain cell types:

• High expression in [neurons](/entities/neurons)
• Critical for protecting against oxidative damage from neuronal activity

Disease Associations

Parkinson's Disease

• GSS activity reduced in substantia nigra of PD patients
• Contributing factor to oxidative stress in dopaminergic neurons
• GSS polymorphisms associated with PD risk
• Therapeutic: N-acetylcysteine (glutathione precursor) shows promise

Alzheimer's Disease

• Oxidative stress is a key contributor to AD pathogenesis
• GSS activity impaired in AD brains
• Therapeutic target: Boosting glutathione synthesis

5-Oxoprolinuria (GSH Synthetase Deficiency)

• Rare autosomal recessive disorder
• Severe metabolic acidosis
• Neurological symptoms including ataxia, seizures, developmental delay

Therapeutic Targeting

Key Publications

• Ristoff M, et al. (2000). Glutathione synthetase deficiency. Cellular and Molecular Life Sciences. PMID: 11061425(https://pubmed.ncbi.nlm.nih.gov/11061425/)
• Smeyne M, et al. (2016). Glutathione metabolism and Parkinson's disease. Journal of Neurochemistry. PMID: 26679703(https://pubmed.ncbi.nlm.nih.gov/26679703/)
• Aoyama K, et al. (2008). Neuronal glutathione deficiency and oxidative stress in neurodegeneration. Antioxidants & Redox Signaling. PMID: 18321209(https://pubmed.ncbi.nlm.nih.gov/18321209/)

See Also

• [Glutathione Synthetase Protein](/proteins/glutathione-synthetase)
• [Parkinson's Disease](/diseases/parkinsons-disease)
• [Alzheimer's Disease](/diseases/alzheimers-disease)
• [Oxidative Stress Pathway](/mechanisms/oxidative-stress)
• [Glutathione Metabolism](/mechanisms/glutathione-metabolism)

External Links

• [NCBI Gene: GSS](https://www.ncbi.nlm.nih.gov/gene/2937)
• [UniProt: GSS](https://www.uniprot.org/uniprot/P16455)
• [GeneCards: GSS](https://www.genecards.org/cgi-bin/carddisp.pl?gene=GSS)

Overview

Gss Gene plays an important role in the study of neurodegenerative diseases. This page provides comprehensive information about this topic, including its mechanisms, significance in disease processes, and therapeutic implications.

Background

The study of Gss 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.

Molecular Mechanisms

Glutathione Synthesis

Glutathione synthetase (GSS) catalyzes the second step of glutathione biosynthesis:

• Converts γ-glutamylcysteine to glutathione
• Uses ATP for activation
• Located in cytosol
• Tissue-specific expression
• Essential for cellular redox balance

Cellular Defense

GSS supports antioxidant defense:

• Maintains reduced glutathione pool
• Protects against oxidative stress
• Detoxification reactions
• Mitochondrial function support

Disease Associations

Glutathione Synthetase Deficiency

• Rare autosomal recessive disorder
• 5-oxoprolinuria
• Hemolytic anemia
• Neurological symptoms
• Progressive disorder

Alzheimer's Disease

• GSS activity reduced in AD brain
• Impaired glutathione metabolism
• Increased oxidative stress
• Therapeutic target for enhancement

Parkinson's Disease

• GSS polymorphisms associated with PD
• Altered glutathione metabolism
• Nigral vulnerability
• Antioxidant therapy implications

Therapeutic Strategies

Research Directions

• Understanding GSS regulation
• Developing GSS-targeted therapeutics
• Biomarker potential
• Metabolic connections

References

Pathway Diagram

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