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Pam3CSK4 目录号 GC10273

toll-like receptor 1/2 agonist

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1mg
¥2,489.00
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Sample solution is provided at 25 µL, 10mM.

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Chemical Properties

Cas No. 112208-00-1 SDF
别名 Pam3Cys-Ser-(Lys)4
化学名 (2S,3Z,5S,6Z,8S,9Z,11S,12Z,14S,15Z,17R)-2,5,8,11-tetrakis(4-aminobutyl)-4,7,10,13,16-pentahydroxy-17-((Z)-(1-hydroxyhexadecylidene)amino)-14-(hydroxymethyl)-24-oxo-21-(palmitoyloxy)-23-oxa-19-thia-3,6,9,12,15-pentaazanonatriaconta-3,6,9,12,15-pentaen-1-oi
Canonical SMILES CCCCCCCCCCCCCCC/C(O)=N/[C@@](/C(O)=N/[C@@](/C(O)=N/[C@@](/C(O)=N/[C@@](/C(O)=N/[C@@](/C(O)=N/[C@@](C(O)=O)([H])CCCCN)([H])CCCCN)([H])CCCCN)([H])CCCCN)([H])CO)([H])CSCC(OC(CCCCCCCCCCCCCCC)=O)([H])COC(CCCCCCCCCCCCCCC)=O
分子式 C81H156N10O13S 分子量 1510.24
溶解度 1mg/mL in formic acid 储存条件 Store at -20°C
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request

产品描述

Pam3CSK4 is an agonist of Toll-like receptor 1/2 (TLR1/2) [1].

Toll-like receptors (TLRs) are proteins that play an important role in the innate immune system. TLRs are mainly expressed in sentinel cells that recognize molecules derived from microbes and then activate immune cell responses.

Pam3CSK4 is a TLR1/2 agonist. Pam3CSK4 increased tyrosine phosphorylation of PLCγ2 and the adaptor protein LAT in a Syk- and src-dependent way. Also, Pam3CSK4 evoked platelet activation [1].

In a mouse rhinitis model sensitized to dermatophagoides farinae allergen, Pam3CSK4 significantly improved the nasal allergic symptoms and reduced total inflammation cells and the eosinophils in bronchoalveolar lavage fluid (BALF). Also, Pam3CSK4 significantly increased IFN-γ release and decreased the levels of IL-13 and total IgE [2]. Pam3CSK4 induced the production of both NO and TNF-ɑ by macrophages [3]. In a murine asthma model challenged with OVA, Pam3CSK4 significantly reduced eosinophilia and total inflammatory cell infiltrate in BALF and inhibited the secretion of IL-4 and IL-5 induced by OVA. Also, Pam3CSK4 reduced the level of IgE and increased the production of IL-12 [4].

References:
[1].  F?lker K, Klarstr?m-Engstr?m K, Bengtsson T, et al. The Toll-like receptor 2/1 (TLR2/1) complex initiates human platelet activation via the src/Syk/LAT/PLCγ2 signalling cascade. Cell Signal, 2014, 26(2): 279-286.
[2].  Zhou C, Kang XD, Chen Z. A synthetic Toll-like receptor 2 ligand decreases allergic immune responses in a mouse rhinitis model sensitized to mite allergen. J Zhejiang Univ Sci B, 2008, 9(4): 279-285.
[3].  Han SH, Kim JH, Seo HS, et al. Lipoteichoic acid-induced nitric oxide production depends on the activation of platelet-activating factor receptor and Jak2. J Immunol, 2006, 176(1): 573-579.
[4].  Patel M, Xu D, Kewin P, et al. TLR2 agonist ameliorates established allergic airway inflammation by promoting Th1 response and not via regulatory T cells. J Immunol, 2005, 174(12): 7558-7563.