MOG

Myelin Oligodendrocyte Glycoprotein
Cat. No.
BT14434
Source
Synonyms
Myelin Oligodendrocyte Glycoprotein, MOG.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity

Greater than 98.0% as determined by RP-HPLC.

Usage
Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

Myelin Oligodendrocyte Glycoprotein is a single, non-glycosylated polypeptide chain containing 21 amino acids and having a molecular mass of 2581 Dalton, the molecular formula: C118H177N35O29S.

Product Specs

Introduction
Myelin Oligodendrocyte Glycoprotein (MOG) is a protein found on the surface of oligodendrocytes and myelin sheaths in the central nervous system. It plays a role in myelinization and is a target of the immune system in certain autoimmune diseases, such as multiple sclerosis (MS). MOG peptide (35-55) is a specific portion of the protein that is highly encephalitogenic, meaning it can induce an immune response against the brain and spinal cord. Studies using MOG peptide (35-55) in animal models have provided insights into the mechanisms of demyelination and the development of MS-like symptoms.
Description
Myelin Oligodendrocyte Glycoprotein is a single, non-glycosylated polypeptide chain composed of 21 amino acids. It has a molecular weight of 2581 Daltons and the molecular formula C118H177N35O29S.
Physical Appearance
The product appears as a sterile, white powder that has been freeze-dried.
Formulation
The protein has been lyophilized without the addition of any other substances.
Solubility
To reconstitute the lyophilized MOG, it is recommended to dissolve it in sterile 18MΩ-cm H2O at a concentration of at least 100 µg/ml. Once reconstituted, it can be further diluted in other aqueous solutions.
Stability
Lyophilized MOG is stable at room temperature for up to 3 weeks. However, it is recommended to store it desiccated at a temperature below -18°C. After reconstitution, MOG should be stored at 4°C for no longer than 2-7 days. For long-term storage, freezing at -18°C is recommended, and it is advisable to add a carrier protein like 0.1% HSA or BSA. Avoid repeated freeze-thaw cycles.
Purity
The purity of the product, as determined by RP-HPLC, is greater than 98.0%.
Synonyms
Myelin Oligodendrocyte Glycoprotein, MOG.
Amino Acid Sequence

H-Met-Glu-Val-Gly-Trp-Tyr-Arg-Ser-Pro-Phe-Ser-Arg-Val-Val-His-Leu-Tyr-Arg-Asn-Gly-Lys-OH.

Product Science Overview

Gene and Protein Structure

In humans, the MOG gene is located on chromosome 6 (6p22.1), while in mice, it is found on chromosome 17 . The gene was first sequenced in 1995 . The protein encoded by this gene is highly conserved across species, including humans, rats, mice, and bovines, indicating its significant biological role .

Function and Importance

While the precise molecular function of MOG is not fully understood, it is believed to be essential for the myelination of nerves in the CNS . MOG is speculated to serve as an adhesion molecule, providing structural integrity to the myelin sheath . It is also thought to play a role in myelin maturation, myelin integrity, and cell surface interactions .

Role in Disease

MOG has gained attention due to its involvement in inflammatory demyelinating diseases. One such condition is Myelin Oligodendrocyte Glycoprotein Antibody-Associated Disease (MOGAD), a rare inflammatory disease where the immune system mistakenly attacks the myelin sheath . This disease affects the optic nerves, brain, and spinal cord, leading to various neurological symptoms .

Research and Clinical Implications

Research into MOG and its associated diseases is ongoing. Understanding the role of MOG in the CNS and its involvement in demyelinating diseases could lead to better diagnostic and therapeutic strategies. The protein’s high conservation across species makes it a valuable target for studying myelination and developing treatments for related disorders .

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