oxidized glutathione sigma L-Glutathione oxidized
oxidized glutathione sigma oxidized - c-terminal-amidation-of-peptides SC>L-Glutathione oxidized Understanding Oxidized Glutathione: A Key Player in Cellular Redox Balance
cs-bio-peptide-synthesizer Oxidized glutathione, often abbreviated as GSSG, is a crucial molecule in cellular biology, playing a vital role in maintaining the delicate redox balance within physiological systemsGlutathione, Certified Reference Material (Sigma-Aldrich). While its reduced counterpart, glutathione (GSH), is well-known for its antioxidant properties, oxidized glutathione is the result of GSH’s own protective actions, signifying a form of glutathione that has been oxidized.L -Glutathione oxidized = 98 HPLC 27025-41-8 This article delves into the properties, scientific significance, and common applications of oxidized glutathione, with a particular focus on its availability from suppliers like Sigma and related products.
The Chemistry and Function of Oxidized Glutathione
Oxidized glutathione is formed when two molecules of reduced glutathione lose two hydrogen atoms and combine via a disulfide bond. This reaction is a fundamental part of the glutathione redox cycle, which is essential for neutralizing reactive oxygen species (ROS) and protecting cells from oxidative damage.G4376 10g Sigma-Aldrich L-Glutathione oxidized ≥98 ... Therefore, oxidized glutathione is not merely a byproduct but an integral part of cellular defense mechanisms.
It is often measured in vivo as an indicator of oxidative stress. Elevated levels of oxidized glutathione (GSSG) relative to reduced glutathione (GSH), often expressed as the GSH:GSSG ratio, can signify that the cell is under significant oxidative pressure. This ratio is a fundamental marker of cellular toxicity, and its determination is critical in various research settings.Combinatorial GxGxE CRISPR screen identifies ... The CAS Number 27025-41-8 is widely associated with L-Glutathione oxidized, a specific form of this molecule.
Availability and Specifications: Sigma and Beyond
For researchers and scientists, reliable access to high-purity oxidized glutathione is paramountGlutathion oxidized. Sigma-Aldrich is a prominent supplier, offering various grades and forms of this compound. You can find L-Glutathione oxidized with stated purities of ≥98%, often determined by High-Performance Liquid Chromatography (HPLC). Specific product catalog numbers, such as G4376 (for 10g of Sigma-Aldrich L-Glutathione oxidized ≥98% (HPLC)) and G4501, facilitate easy ordering.Endogenous antioxidant that plays a major role in reducing reactive oxygen species formed during cellular metabolism and the respiratory burst.Glutathione-S- ...
Furthermore, L-Glutathione oxidized disodium salt is available, often indicated as suitable for cell culture and as a BioReagent. Another relevant CAS Number mentioned is 103239-24-3 for L-Glutathione oxidized, typically described as a ≥98% powder.
The physical form of oxidized glutathione can vary, with listings for lyophilized powder and free acid forms. Companies like Merck also provide glutathione oxidized and related products for scientific research.
Scientific Applications and Research
The study of oxidized glutathione is central to understanding numerous biological processes. Its role in the glutathione redox buffer system is critical for cellular homeostasis.L-glutathione oxidized ~98% ly | G4501-250MG The ability to accurately quantify both reduced and oxidized glutathione is essential for studies investigating:
* Oxidative stress: As mentioned, oxidized L-glutathione is frequently measured in vivo as an indicator of oxidative stress.SC>L-Glutathione oxidized. Synonyms: GSSG, Glutathiol. CAS 27025-41-8. Molecular Weight 612.63. Browse
* Cellular metabolism: The interconversion between GSH and GSSG is a key metabolic pathway.
* Disease mechanisms: Dysregulation of the glutathione system has been implicated in various diseases, making the study of oxidized glutathione relevant to understanding disease progression.
* Drug discovery and development: Understanding how chemicals interact with the glutathione system is vital. For instance, research explores the role of glutathione transferases in protecting DNA from damage.
The measurement of reduced (GSH) and oxidized (GSSG) forms of glutathione is a standard technique in many biochemical and physiological studies. Protocols exist for improved spectrophotometric methods to estimate these levels作者：O ZITKA·2012·被引用次数：828—Since the enzymeglutathionereductase, which reverts freeglutathionefrom itsoxidisedform (GSSG) is constitutively active and inducible uponoxidative....
Synonyms and Related Terms
In scientific literature and product catalogs, oxidized glutathione is also referred to by several synonyms. The most common include:
* GSSG
* Glutathiol
* SC>L<\/SC>-Glutathione oxidized
* Oxidised glutathione (a common spelling variation)
Understanding these terms is important when searching for information or purchasing products related to oxidized glutathione. The distinction between reduced glutathione (GSH) and oxidized glutathione (GSSG) is fundamental in glutathione research.