MUC1, mucin core is a glycoprotein-derived peptide rich in serine, threonine, and proline residues that influence extended and helical structures. Researchers examine its role in glycosylation patterns, solvent-dependent conformations, and protein-epitope interactions. The sequence supports structural mapping of mucin-like regions. Its flexibility enables detailed biophysical studies.
CAT No: R2413
CAS No:149205-73-2
Synonyms/Alias:MUC1, mucin core;149205-73-2;APDTRPAPG;AKOS040756856;DA-55759;G13485;Gly1-Val2-Thr3-Ser4-Ala5-Pro6-Asp7-Thr8-Arg9-Pro10-Ala11-Pro12-Gly13-Ser14-Thr15-Ala16;
MUC1, mucin core, is a high-molecular-weight glycoprotein that plays a pivotal role in cellular signaling, adhesion, and protection of epithelial surfaces. As a prominent member of the mucin family, it is characterized by a heavily glycosylated extracellular domain and is widely expressed on the apical surface of epithelial tissues, particularly in the respiratory, gastrointestinal, and reproductive tracts. The unique biochemical properties of the mucin core region, including its tandem repeat structure and O-glycosylation sites, make it a critical subject for research into cell-cell interactions, immune modulation, and the molecular mechanisms underlying barrier function. MUC1 is of significant interest in both fundamental and translational research, providing valuable insights into epithelial biology, host-pathogen interactions, and the molecular basis of mucosal protection.
Glycobiology research: The mucin core region of MUC1 serves as a robust model for investigating O-linked glycosylation processes and the structural diversity of mucin-type glycoproteins. Researchers utilize this core peptide to elucidate the enzymatic pathways responsible for glycan attachment and remodeling, which are essential for understanding the functional implications of mucin glycosylation in health and disease. By employing synthetic or recombinant MUC1 core sequences, scientists can dissect the roles of specific glycan motifs, study their biosynthetic regulation, and explore how alterations in glycosylation patterns influence cellular recognition and signaling events.
Cell adhesion and signaling studies: Owing to its extensive extracellular domain and ability to mediate interactions with other cell-surface molecules, the mucin core of MUC1 is widely used in research focused on cell adhesion, migration, and signaling pathways. Experimental systems incorporating the core region enable detailed analysis of how mucins modulate integrin activity, regulate epithelial polarity, and participate in the formation of protective mucosal barriers. Such studies are instrumental in delineating the molecular mechanisms by which epithelial cells maintain homeostasis and respond to environmental stimuli.
Immunological investigations: The repetitive peptide backbone of the MUC1 core region contains epitopes that are recognized by various immune receptors and antibodies. This characteristic makes it an important tool for immunological research, particularly in the context of antigen processing and presentation, as well as the study of immune surveillance mechanisms at mucosal surfaces. By using the mucin core in in vitro assays, researchers can probe the specificity and affinity of antibody binding, analyze T-cell responses, and develop reagents for the detection of mucin-expressing cells.
Pathogen interaction modeling: The mucin core domain is frequently employed to investigate the initial stages of pathogen adhesion and colonization at epithelial surfaces. Many bacteria and viruses exploit mucin-type glycoproteins as attachment sites, and the core region provides a defined substrate for studying these interactions at the molecular level. Such research is crucial for identifying the factors that govern host susceptibility, understanding the strategies pathogens use to breach mucosal defenses, and developing preventive strategies based on mucin-pathogen binding dynamics.
Biomarker discovery and analytical development: Due to its altered expression and glycosylation in various pathological states, the mucin core of MUC1 is a valuable target for biomarker research and the development of analytical assays. Scientists leverage synthetic or purified core peptides to generate specific detection reagents, calibrate immunoassays, and validate analytical platforms for the quantification of mucin-derived fragments. These applications support the identification of molecular signatures associated with epithelial dysfunction, tissue remodeling, or abnormal cellular processes, thereby advancing the field of biomarker discovery and enabling more precise molecular analyses.
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