33-mer gliadin peptide gliadin - 2x-peptides 33-mer gliadin peptide

oxytocin-acetate-peptide The 33-mer gliadin peptide is a critical component in understanding gluten-related disorders, particularly celiac disease. This specific peptide, derived from alpha-gliadins in wheat, is widely recognized as the most immunodominant fragment of gluten.IDP Force Fields Applied to Model PPII-Rich 33-mer Gliadin ... Its significance lies in its remarkable proteolytic resistance and its ability to trigger an adaptive immune response, making it central to the pathogenesis of celiac disease. The presence and behavior of the 33-mer gliadin peptide are subjects of extensive research, aiming to elucidate its molecular mechanisms and potential therapeutic targets.33mer gliadin peptide - Cereal Proteins - Zedira

The Role of the 33-Mer Gliadin Peptide in Celiac Disease

The 33-mer gliadin peptide is a key player in the immune response that characterizes celiac disease.Gliadin 33-mer in coeliac disease pathogenesis, therapy ... Upon ingestion of gluten, this peptide, along with its deamidated derivative known as 33-mer DGP, resists digestion in the gastrointestinal tract. This resistance allows it to interact with the intestinal lining, where it can be modified by enzymes like tissue transglutaminase. These modifications, particularly deamidation, enhance its ability to bind to HLA-DQ2 or HLA-DQ8 molecules on antigen-presenting cells作者：M Dall·2013·被引用次数：44—A variety of proline-rich, protease-resistantgliadinfragments are implicated in the pathogenesis of celiac disease, including a specific33-mer peptide[2].. This binding is crucial for presenting the peptide fragments to T-cells, initiating an inflammatory cascade that damages the small intestine. The peptide contains multiple overlapping T-cell epitopes, contributing to its potent immunogenicity.The 33‐mer gliadin peptide and its deamidated derivative, known as 33‐mer DGP,are proteolytically resistant peptidescentral to the pathomechanism of celiac ... Research into the "quantitation of the immunodominant 33-mer peptide from α-gliadin" has been vital in understanding the exposure levels and immune reactions involved.

Molecular Characteristics and Behavior

The sequence of the 33-mer gliadin peptide, often represented as LQLQPFPQPQLPYPQPQLPYPQPQLPYPQPQPF, reveals a high proline content, contributing to its structural stability and resistance to enzymatic breakdown. Beyond its role in celiac disease, studies have explored its capacity for oligomerization and self-assembly into supramolecular structures. These structures, such as thin-plate superstructures, may play a role in initiating innate immune responses in the context of gluten exposure作者：MJ Amundarain·2019·被引用次数：20—The proteolytic resistant33-mer gliadin peptideis an immunodominant fragment in gluten and responsible for the celiac disease and other gluten-related .... Understanding these molecular mechanisms is essential for developing strategies to mitigate the peptide's effectsDeamidated gliadin peptides - Celiac Disease Products.

Detection and Research Applications

The detection and measurement of the 33-mer gliadin peptide are important for research and clinical applications. Assays for "Gliadin 33 mer peptide in stool" can help determine recent exposure to gluten.作者：MJ Amundarain·2019·被引用次数：20—The proteolytic resistant33-mer gliadin peptideis an immunodominant fragment in gluten and responsible for the celiac disease and other gluten-related ... Researchers also utilize this peptide in various studies, including the development of aptamers for binding and potentially neutralizing it, and in exploring its role in other immune pathologies. The peptide is also a target for therapeutic interventions, with research into inhibiting its activity or blocking its antigenicity being explored for conditions like diabetes and celiac disease itself.2024年12月5日—The33-mer gliadin peptideand its derivative, the 33-mer deamidated gliadin peptide (DGP), are surfactant-like peptides that form different ... The "33-mer (immunodominant peptide from alpha2-gliadin)" serves as a specific focus for many of these investigationsGliadin 33-mer in coeliac disease pathogenesis, therapy ....

In conclusion, the 33-mer gliadin peptide is a central figure in the immunopathology of celiac disease and other gluten sensitivities. Its proteolytic resistance, immunodominance, and ability to form complex structures underscore its critical role in triggering adverse immune reactions. Ongoing research into its detection, molecular behavior, and interactions with the immune system continues to pave the way for better understanding and potential management of gluten-related disorders.