Description

Glutathione (GSH) – Advanced Cellular Antioxidant & Redox Research

Scientific Overview

Glutathione (GSH) is a naturally occurring tripeptide that plays a fundamental role in cellular antioxidant defense and redox regulation. Composed of three amino acids—glutamate, cysteine, and glycine—glutathione is among the most extensively investigated intracellular antioxidants in molecular biology and biochemical research.

Its unique molecular structure includes a gamma-glutamyl peptide bond and a reactive sulfhydryl group, allowing it to participate in oxidation-reduction reactions essential to cellular homeostasis.

Molecular Characteristics

• Compound Name: Reduced Glutathione (GSH)
• Molecular Formula: C₁₀H₁₇N₃O₆S
• Molecular Weight: 307.32 g/mol
• CAS Number: 70-18-8
• Molecular Classification: Endogenous tripeptide
• Primary Research Focus: Antioxidant mechanisms, oxidative stress, cellular redox balance, and mitochondrial biochemistry

Key Scientific Research Applications

1. Oxidative Stress & Antioxidant Defense

Glutathione is widely investigated for its ability to participate in cellular antioxidant systems and regulate reactive oxygen species (ROS). Its reduced form serves as an electron donor in glutathione-dependent enzymatic reactions.

2. Mitochondrial Function Research

Scientific studies explore glutathione’s contribution to mitochondrial redox homeostasis, oxidative stress responses, and the maintenance of mitochondrial biochemical processes.

3. Cellular Detoxification Pathways

Glutathione participates in conjugation reactions catalyzed by glutathione S-transferases, making it an important research compound for studying cellular responses to electrophilic substances.

4. Redox Signaling & Cellular Regulation

Researchers investigate glutathione’s role in intracellular signaling, protein S-glutathionylation, and the regulation of redox-sensitive molecular pathways.

5. Glutathione Redox Cycle Research

The reversible conversion between reduced glutathione (GSH) and oxidized glutathione (GSSG) is central to investigations of cellular redox status and antioxidant enzyme activity.

Scientific Significance

Glutathione remains an essential research molecule in cellular biochemistry, oxidative stress biology, and molecular antioxidant research. Its involvement in multiple biochemical pathways makes it valuable for investigating redox regulation, enzyme-mediated antioxidant processes, and cellular homeostasis.

Research Use Only

For Research Use Only (RUO). Intended exclusively for laboratory research, analytical investigation, and scientific study.