alpha-L-Rhamnose

alpha-L-Rhamnose
Product Name alpha-L-Rhamnose
CAS No.: 3615-41-6
Catalog No.: CFN90450
Molecular Formula: C6H12O5
Molecular Weight: 164.16 g/mol
Purity: >=98%
Type of Compound: Miscellaneous
Physical Desc.: Powder
Targets: Calcium Channel
Source: The leaves of Rhus toxicodendron
Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
Price: $30/20mg
Addition of the Rhamnose-rich polysaccharide, RROP-1, to normal human dermal fibroblasts (NHDFs) and human endothelial cells produced a dose-dependent stimulation of the calcium-signaling pathway, inducing fast and transient increases in Ca2 influx and intracellular free Ca2 level.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
  • Universite de Bordeaux2017, 2017BORD0867
  • J of Pharmaceutical Analysis2020, doi: 10.1016
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  • bioRxiv-Pharm.&Toxi.2022, 2022.481203.
  • Foods.2022, 11(12):1708.
  • Phytochemistry.2021, 181:112539.
  • Plant Methods.2017, 13:108
  • Nutrients.2018, 11(1):E17
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    Biochim Biophys Acta. 2008 Dec;1780(12):1388-94.
    The alpha-L-Rhamnose recognizing lectin site of human dermal fibroblasts functions as a signal transducer: modulation of Ca2+ fluxes and gene expression.[Pubmed: 18708125]
    An alpha-L-Rhamnose specific lectin site was described on human skin keratinocytes and fibrobasts. The addition of Rhamnose-rich oligo- and polysaccharides (RROPs) to fibroblasts has been shown to stimulate cell proliferation and increase extracellular matrix biosynthesis, suggesting that this lectin site functions as a "true" receptor transmitting messages to the cell interior.
    METHODS AND RESULTS:
    It was confirmed here that addition of the Rhamnose-rich polysaccharide, RROP-1, to normal human dermal fibroblasts (NHDFs) and human endothelial cells produced a dose-dependent stimulation of the calcium-signaling pathway, inducing fast and transient increases in Ca2 influx and intracellular free Ca2 level. The Rhamnose-rich oligosaccharide RROP-3 as well as l-Rhamnose alone were also able to trigger similar intracellular free Ca2 concentration increases in NHDFs. Moreover, the recording of the RROP-1-induced modification of the gene-expression profile in fibroblasts showed that this polysaccharide triggered a down-regulation of the expression of several growth factors, adhesion molecules and extracellular matrix proteins involved in pro-tumoral activity and/or fibrotic processes.
    CONCLUSIONS:
    These results further support the hypothesis of a receptor function for the Rhamnose-recognizing lectin site in fibroblasts. Anti-fibrotic and anti-tumoral potential of RROP-1 remains to be further explored.
    Bioorg Med Chem. 2013 Nov 1;21(21):6778-87.
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    METHODS AND RESULTS:
    A novel and efficient strategy for the synthesis of phosphoramidon and its β anomer has been developed by manipulating the anomerization of alpha-L-Rhamnose triacetate upon phosphitylation. The experimental results suggest that proton transfer, bond rotation, and N atom are the key factors for the anomerization.
    CONCLUSIONS:
    The determined Ki and Kd values establish that phosphoramidon prepared by this method possesses excellent biological activity, and indicate that the contacts of rhamnose moiety with the enzyme have limited contribution to the binding.
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