N-Acetyl-D-mannosamine丨CAS 7772-94-3

N-Acetyl-D-mannosamine丨7772-94-3 (often abbreviated as ManNAc) is a naturally occurring amino sugar that plays a crucial role in glycosylation processes. It is a derivative of mannose, an important monosaccharide that contributes to the structure of glycans (sugars attached to proteins or lipids). N-Acetyl-D-mannosamine is an important intermediate in the biosynthesis of sialic acids, which are key components in various biological processes.
Sialic acids are a family of neuraminic acid derivatives that are involved in numerous cellular functions and interactions, including immune response regulation, cell signaling, and tissue development. The study and application of N-acetyl-D-mannosamine are significant for understanding and manipulating glycobiology, particularly in the context of biotechnology, medicine, and pharmaceutical research.

1. Sialic Acid Biosynthesis
N-Acetyl-D-mannosamine is a direct precursor in the biosynthesis of sialic acid, a critical component of many glycoproteins and glycolipids. Sialic acids are typically found on the surface of cells, where they play a significant role in cell-cell interactions, immune evasion, and infectivity of pathogens like viruses and bacteria.
● Precursor for Sialylation: N-Acetyl-D-mannosamine is converted into sialic acid via enzymatic processes in the body. Sialic acids are added to the ends of glycans on glycoproteins and glycolipids, a process known as sialylation. This modification is essential for proper cellular functions and immune modulation.
2. Biotechnology and Cell Culture
In biotechnology, N-acetyl-D-mannosamine is used in cell culture media to enhance the production of sialylated glycoproteins. Sialylated proteins have crucial roles in pharmaceutical applications, particularly in the production of biotherapeutics and monoclonal antibodies.
● Enhancing Protein Sialylation: Recombinant proteins and therapeutic monoclonal antibodies often need to be sialylated to mimic human glycosylation patterns. The addition of N-acetyl-D-mannosamine to cell culture media can improve protein yield and glycosylation patterns in biomanufacturing processes.
3. Therapeutic Potential in Glycosylation Disorders
N-Acetyl-D-mannosamine丨7772-94-3 has shown promise in the treatment of certain glycosylation-related diseases. Some genetic disorders affect the enzymes involved in the biosynthesis of sialic acids, leading to defective glycosylation and impaired cell function.
● Sialic Acid Deficiency: In certain sialic acid storage diseases (such as Salla disease and sialidosis), there is a deficiency of sialic acid, which impacts neurological function and development. Administering N-acetyl-D-mannosamine may help increase sialic acid levels in patients with these conditions, providing a potential therapeutic strategy.
● Potential for Treatment of Neurological Diseases: Research is ongoing to explore how ManNAc supplementation might alleviate symptoms of neurodegenerative diseases caused by defective glycosylation.
4. Immunology and Vaccine Development
Sialic acid residues are important in modulating the immune system and are often found on pathogens (such as viruses and bacteria) that need to evade immune detection. Understanding and manipulating sialylation via N-acetyl-D-mannosamine provides insight into immunological processes and can help in developing immunotherapies and vaccines.
● Viral Evasion: Many viruses, including influenza, HIV, and coronaviruses, interact with host cells through sialic acid receptors. Manipulating sialylation pathways using N-acetyl-D-mannosamine might offer therapeutic opportunities to block these viral interactions and prevent infection.
● Vaccine Design: In vaccine development, understanding the role of sialylated glycoproteins in the immune response can help enhance the efficacy of vaccines, especially glycoprotein-based vaccines that mimic pathogen structures.
5. Cancer Research
Sialic acids play a role in the regulation of cell adhesion, metastasis, and immune evasion in cancer cells. The altered expression of sialylated glycans is often associated with tumor progression and cancer metastasis.
● Cancer Biomarkers: The presence of specific sialylated glycans on cancer cell surfaces can serve as biomarkers for cancer diagnosis and progression. By understanding how N-acetyl-D-mannosamine contributes to sialylation, scientists can design more effective cancer therapeutics and diagnostic tools.
● Therapeutic Modulation: Researchers are investigating the use of N-acetyl-D-mannosamine to modify sialylation patterns on cancer cells. This could potentially affect tumor behavior, reduce metastasis, or make cancer cells more susceptible to immune system attacks.
6. Food and Dietary Supplements
N-Acetyl-D-mannosamine丨7772-94-3 has also been explored for its potential benefits in dietary supplements. While its main application is in medical and biotechnological research, it has some uses in the functional food industry due to its role in cellular health.
● Health Benefits: Supplementing N-acetyl-D-mannosamine may provide benefits to gut health, immune function, and cognitive health. Its role in the biosynthesis of sialic acid can support proper neurodevelopment and immune modulation, making it a potential functional food ingredient.
7. Cosmetic and Skin Care
The role of sialic acid in cellular communication and skin health has led to some interest in the potential use of N-acetyl-D-mannosamine in cosmetic formulations.
● Anti-aging Properties: The glycosylation of skin proteins, including collagen, can influence skin elasticity, aging, and wound healing. Enhancing sialylation with N-acetyl-D-mannosamine may improve skin regeneration and provide anti-aging benefits in skincare products.

1. Enhanced Sialylation
By serving as a precursor to sialic acid, N-acetyl-D-mannosamine ensures the proper sialylation of glycoproteins and glycolipids, which are vital for cellular functions such as immune response, cell signaling, and tissue development.
2. Therapeutic Potential
N-Acetyl-D-mannosamine has demonstrated promise in treating sialic acid deficiency diseases and potentially alleviating symptoms of neurodegenerative diseases. It could provide a therapeutic option for conditions where glycosylation is impaired.
3. Cancer and Immune Modulation
By modulating the sialylation of cell surfaces, N-acetyl-D-mannosamine may influence cancer progression and immune evasion, making it a potential tool in cancer research and therapeutic development.
4. Improved Biomanufacturing
In biotechnology, N-Acetyl-D-mannosamine丨7772-94-3 is used to optimize the glycosylation of recombinant proteins and monoclonal antibodies, improving their efficacy and therapeutic applications.
5. Vaccine and Immunotherapy Development
Sialylation processes facilitated by N-acetyl-D-mannosamine are critical in the development of vaccines and immunotherapies by influencing how the immune system recognizes pathogens and tumor cells.

N-Acetyl-D-mannosamine丨7772-94-3 is a versatile compound with significant applications in biotechnology, medicine, and pharmaceutical research. Its role as a precursor to sialic acid makes it invaluable in cellular functions, including immune regulation, cancer progression, and neurodegenerative diseases. Ongoing research into its therapeutic potential could unlock new opportunities in the treatment of glycosylation disorders, viral infections, and cancer, while also enhancing biomanufacturing processes in the pharmaceutical industry.