MONOFUCOSYL-galacto-N-hexose Ⅳ: sugar chain tool for glycobiology 115236-58-3

In the microscopic world of life sciences, sugar molecules are much more than just a source of energy. They are codes for cell-to-cell communication, keys for pathogen invasion, and labels for immune system recognition. Among the many sugar structures with different functions, MONOFUCOSYL-para-lacto-N-hexaose IV (Fucosyl-para-lacto-N-hexaose IV), as an important type of fucosylated lacto-N-series oligosaccharides, is increasingly becoming a core molecular tool in glycobiology research, new therapy development and diagnostic reagent design. It is not just a complex carbohydrate, but also a key cornerstone for in-depth exploration of the precise regulatory mechanisms of life and the development of the next generation of biomedical products.

Chemical Information

Chemical name: MONOFUCOSYL-galacto-N-hexose Ⅳ

Common name/English name: Fucosyl-para-lacto-N-hexaose IV

Chemical formula: C₄₆H₇₈N₂O₃₅

Molecular weight: 1219.1 g/mol

CAS number: 115236-58-3

Structural characteristics and biological significance

MONOFUCOSYL-galacto-N-hexose IV is a highly specific fucosylated derivative belonging to the galacto-N-hexose family. The core of its structure is an extended lactosamine (LacNAc) skeleton, which is modified with a fucose (Fucose) group at a specific position. This sophisticated modification gives it unique biological properties:

Specific recognition motif: Fucosylation is a key glycosylation modification in nature and often forms the core part of famous blood group antigens and cell surface markers such as sialyl Lewis X (sLeˣ) and Lewis Y (Leʸ). The structure of the molecule mimics the key regions of these natural ligands, allowing it to be recognized with high affinity and specificity by specific lectins (such as Selectins), antibodies or receptors.

Conformation-determining function: The addition of fucose significantly changes the spatial conformation and charge distribution of the parent sugar chain, which directly affects the strength and pattern of its interaction with the binding protein. This subtle structural difference is the molecular basis of cell-specific adhesion, signaling, and immune responses.

Naturally occurring bioactive fragments: This type of structure is widely found in human milk oligosaccharides (HMOs), glycoproteins and glycolipids. It especially plays an important role in embryonic development, mucosal immunity and stem cell microenvironment, and is a direct carrier of its biological activity.

Main applications and advantages

1. Key ligands and targets for cutting-edge biopharmaceutical research and development

Anti-inflammatory and immunomodulatory drug development: This molecule is a natural ligand analog of key mediating molecules of inflammation such as E-selectin and P-selectin. Researchers can use it as:

Lead compound: used to design and optimize small molecule or biosimilar inhibitors to block the excessive adhesion of leukocytes and vascular endothelial cells at inflammatory sites, providing new strategies for the treatment of autoimmune diseases, asthma, atherosclerosis and ischemia-reperfusion injury.

Targeted delivery carrier: Coupling therapeutic drugs to such sugar chains can achieve precise delivery of drugs to specific diseased sites (such as tumor neovascularization, inflammatory tissue) with high expression of selectin and other receptors.

New path for anti-cancer treatment:

Tumor marker research and targeting: Many cancer cells express abnormally high levels of fucosylated antigens (such as Leʸ) on their surfaces. The molecule can be used as a tool to study its biosynthesis, regulation and function, and can also be used to develop antibody drugs, CAR-T cells or cancer vaccines targeting these antigens.

Inhibiting metastasis: By interfering with hematogenous metastasis mediated by cancer cell-dependent selectin-ligand interactions, it provides ideas for the development of anti-tumor metastasis drugs.

Anti-infectious therapy: Many pathogens (e.g., Helicobacter pylori, rotavirus) mediate infection by recognizing fucosylated sugar chains on the host cell surface. This molecule can serve as a "bait" receptor that competitively binds to pathogens and blocks their adhesion to host cells, thereby preventing or treating infection.

2. The gold standard for infant nutrition and health research

As an important member of human milk oligosaccharides (HMOs), fucosylated milk-N-hexose plays an indispensable role in the intestinal health of infants and young children:

Prebiotic effect: Selectively promotes the growth of beneficial bacteria such as Bifidobacterium and builds healthy intestinal flora.

Anti-pathogen adsorption: Directly prevents pathogens from binding to the intestinal mucosa, protecting babies from infection.

Immune system development: Regulate intestinal immune response and promote immune tolerance.

Therefore, MONOFUCOSYL-galacto-N-hexose IV is an essential standard and reference material for developing next-generation high-end infant formula that simulates the functions of human milk, evaluating the biological functions of HMOs, and related clinical research.

3. Powerful tool for basic research and diagnostic development

Study on sugar-protein interaction: It is an ideal ligand to characterize the binding specificity and affinity of proteins such as lectins, antibodies, and receptors, and is used to reveal sugar-mediated signaling pathways in life processes.

Enzyme research: As a substrate or inhibitor of fucosyltransferases (FUTs) or fucosidase, it is used for enzyme activity determination, mechanism research and drug screening.

Diagnostic reagent development: As an antigen, it is used to develop ELISA kits or chips that detect specific antibodies (such as anti-sugar antibodies that appear in certain infections or autoimmune diseases). It can also be used to enrich or identify cells that are positive for a specific lectin/receptor.

Conclusion

MONOFUCOSYL-galacto-N-hexose IV, behind this seemingly complex molecular formula, lies the precise code that drives cell dialogue and regulates life processes. From breakthroughs in the treatment of inflammation and cancer, to bionic innovations in infant and young child nutrition, to in-depth exploration of the essence of life, it is an indispensable starting point.

The above information is provided by the editor of KASONS and is for scientific research only.