Alpha Methyl Mannoside
Alpha Methyl Mannoside - Related Videos
08:47
DNA Methylation Analysis
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2023
Methylation at CpG dinucleotides is a chemical modification of DNA hypothesized to play important roles in regulating gene expression. In particular, the methylation of clusters of methylation sites, called “CpG islands”, near promoters and other gene regulatory elements may contribute to the stable silencing of genes, for example, during epigenetic processes such as genomic imprinting and X-chromosome inactivation. At the same time, aberrant CpG methylation has been shown to be associated with...
21:24
Methylated DNA Immunoprecipitation
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Cited by 43 •
2009
This video demonstrates the protocol for methylated DNA immunoprecipitation (MeDIP). MeDIP is a two day procedure that selectively extracts methylated DNA fragments from a genomic DNA sample using antibodies with specificity for 5 -methylcytosine (anti-5 mC).
12:34
DNA Methylation: Bisulphite Modification and Analysis
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Cited by 75 •
2011
The gold standard for DNA methylation analysis is genomic sequencing of bisulphite converted DNA. This method takes advantage of the increased sensitivity of cytosine compared with 5-methylcytosine (5-MeC) to bisulphite deamination under acidic conditions. Unmethylated cytosines can be distinguished from methylated cytosines after PCR amplification of the target genomic DNA.
13:59
Methods to Identify the NMR Resonances of the 13C-Dimethyl N-terminal Amine on Reductively Methylated Proteins
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Cited by 4 •
2013
Two methods for assigning the α- and ε-dimethylamine nuclear magnetic resonance signals of a reductively 13C-methylated N-terminal lysine are described. One method utilizes the pH-induced selectivity of the reductive methylation reaction, and the other uses aminopeptidase to selectively remove the N-terminal lysine.
02:50
Lentiviral Transduction of Neural Progenitor Cells for Epigenetic Regulation of Alpha-Synuclein Expression
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2025
Source: Tagliafierro, L., et al. Lentiviral Vector Platform for the Efficient Delivery of Epigenome-editing Tools into Human Induced Pluripotent Stem Cell-derived Disease Models. J. Vis. Exp. (2019)This video demonstrates the lentiviral transduction of neural progenitor cells (NPCs) for targeted epigenetic modification of alpha-synuclein, a key protein in Parkinson’s disease. The protocol enables methyltransferase-mediated DNA methylation, reducing SNCA expression for studying gene regulation...
FAQs
The alpha-linked methyl group preserves structural features that mannose-binding lectins and receptors recognize, while providing a defined synthetic ligand. Because its relevant recognition elements remain available to the binding site, the compound can compete with mannose residues without relying on an undefined mixture of carbohydrates. This makes binding tests more controlled and interpretable.
A researcher can compare lectin-mediated binding in the presence and absence of the defined competitor. If adding Alpha Methyl Mannoside inhibits the interaction, the result supports involvement of a mannose-recognizing binding site. This competition helps separate carbohydrate-dependent adhesion from binding that arises through nonspecific contacts between cells, lectins, or glycoproteins.
The extent to which a lectin-mediated interaction is affected provides information about recognition of mannose-related structures. Strong inhibition supports compatibility between the lectin binding site and the compound’s preserved structural features, whereas limited inhibition suggests that other determinants may contribute. Such comparisons help characterize specificity in glycoprotein recognition and cell-surface binding.
When cell attachment or capture decreases after exposure to Alpha Methyl Mannoside, the affected portion is consistent with mannose-dependent recognition at the cell surface. Interactions that remain may reflect other binding mechanisms or nonspecific association. This distinction is useful when interpreting experiments involving lectins, cell communication, or recognition of surface glycoproteins.
The compound is introduced as a defined competitor during analysis of a lectin-mediated interaction, and binding is assessed with and without it. Researchers then examine whether cell, glycoprotein, or surface-associated binding is inhibited. This workflow tests whether mannose recognition contributes to the observed interaction rather than merely documenting that binding occurred.
Because Alpha Methyl Mannoside competes for mannose-recognizing binding sites, it can disrupt interactions that hold cells or glycoproteins through those sites. Applying the competitor therefore supports release of captured material when the attachment depends on mannose recognition. The resulting recovery can help confirm the basis of capture and facilitate further analysis.
This reagent supports studies of how lectins and receptors recognize carbohydrates on glycoproteins or cell surfaces. In biology, those experiments can examine cell communication and host-pathogen interactions by testing whether mannose-dependent contacts contribute to adhesion or capture. Its defined competition provides a way to connect observed biological behavior with a specific carbohydrate-recognition mechanism.