Name: Vialinin A
Price: 206.00 USD

- Overview
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    Background
    
    Vialinin A is a potent inhibitor of ubiquitin-specific peptidases with IC50 values of 1.5, 5.9 and 22.3 μM for ubiquitin-specific peptidase 4 (USP4), USP5/isopeptidase T (IsoT) and UCH-L1 deubiquitinating enzyme (DUB), respectively [1].
    Ubiquitin-specific peptidases (USPs) are a series of proteases that deubiquitinate target proteins. The dynamic modification of a protein with ubiquitin can modify its function, localization and fate in the cell. Ubiquitin hydrolase plays an important role in immunology and infection [2].
    In RBL-2H3 cells, vialinin A inhibited TNF-ɑ production and release and inhibited USP5 enzymatic activity. In USP5 siRNA-knockdown RBL-2H3 cells, vialinin A inhibited TNF-ɑ production and release in a dose dependent way. Also, the mRNA expression of TNF-ɑ was decreased significantly [2]. In RBL-2H3 cells, Vialinin A inhibited TNF-ɑ production with IC50 value of 0.09 nM. Also, it inhibited the release of interleukin 4, β-hexosaminidase and monocyte chemotactic protein 1, which suggested Vialinin A had anti-allergic activities [3].
    
    [1]. Okada K, Ye YQ, Taniguchi K, et al. Vialinin A is a ubiquitin-specific peptidase inhibitor. Bioorg Med Chem Lett, 2013, 23(15): 4328-4331.
    [2]. Yoshioka Y, Ye YQ, Okada K, et al. Ubiquitin-specific peptidase 5, a target molecule of vialinin A, is a key molecule of TNF-α production in RBL-2H3 cells. PLoS One, 2013, 8(12): e80931.
    [3]. Onose J, Xie C, Ye YQ, et al. Vialinin A, a novel potent inhibitor of TNF-alpha production from RBL-2H3 cells. Biol Pharm Bull, 2008, 31(5): 831-833.
- Properties
  - Alternative Name
    
    [3,4-dihydroxy-2,5-bis(4-hydroxyphenyl)-6-(2-phenylacetyl)oxyphenyl] 2-phenylacetate
    
    CAS Number
    
    858134-23-3
    
    Molecular Formula
    
    C34H26O8
    
    Molecular Weight
    
    562.57
    
    Appearance
    
    A crystalline solid
    
    Purity
    
    98.00%
    
    Solubility
    
    Soluble in DMSO
    
    Storage
    
    Store at -20°C
    
    * For Research Use Only

Vialinin A

Vialinin A

Background

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