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QS-21-Api

CAT: 0804-HY-101092-01Size: 1 mgDry Ice: NoHazardous: No
CAT#:0804-HY-101092-01Size:1 mg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
QS-21-Api, an immunostimulatory saponin, could be used as a potent vaccine adjuvant. QS-21-Api stimulates Th2 humoral and Th1 cell-mediated immune responses through action on antigen presenting cells (APCs) and T cells. QS-21-Api can activate the NLRP3 inflammasome with subsequent release of caspase-1 dependent cytokines, IL-1β and IL-18[1][2][3].
CAS Number
[141256-04-4]
Product Name Alternative
Stimulon
UNSPSC
12352005
Hazard Statement
H302
Target
NOD-like Receptor (NLR)
Type
Natural Products
Related Pathways
Immunology/Inflammation
Applications
COVID-19-immunoregulation
Field of Research
Inflammation/Immunology; Cancer
Assay Protocol
https://www.medchemexpress.com/qs-21.html
Purity
99.73
Solubility
DMSO : 100 mg/mL (ultrasonic)|H2O : 50 mg/mL (ultrasonic)
Smiles
O=C([C@]1(CCC(C)(C)C2)[C@]2([H])C3=CC[C@@]4([H])[C@@](C)(CC[C@]5([H])[C@@]4(CC[C@H](O[C@@](O[C@H](C(O)=O)[C@@H](O)[C@@H]6O[C@@](OC[C@@H](O)[C@@H]7O)([H])[C@@H]7O)([H])[C@@H]6O[C@]([C@@H]([C@@H](O)[C@H]8O)O)([H])O[C@@H]8CO)[C@@]5(C)C=O)C)[C@]3(C)C[C@H]1O)O[C@H](O[C@H](C)[C@H](OC(C[C@@H](O)C[C@]([C@@H](C)CC)([H])OC(C[C@@H](O)C[C@]([C@@H](C)CC)([H])O[C@@H]9O[C@@H](CO)[C@H](O)[C@H]9O)=O)=O)[C@@H]%10O)[C@@H]%10O[C@@](O[C@@H](C)[C@H](O[C@@](OC[C@@H](O)[C@@H]%11O[C@@](OC[C@]%12(O)CO)([H])[C@@H]%12O)([H])[C@@H]%11O)[C@H]%13O)([H])[C@@H]%13O
Molecular Formula
C92H148O46
Molecular Weight
1990.13
Precautions
H302
References & Citations
[1]Fernández-Tejada A, et al. Development of Improved Vaccine Adjuvants Based on the Saponin Natural Product QS-21 through Chemical Synthesis. Acc Chem Res. 2016;49 (9) :1741-1756.|[2]Marty-Roix R, et al. Identification of QS-21 as an Inflammasome-activating Molecular Component of Saponin Adjuvants. J Biol Chem. 2016;291 (3) :1123-1136|[3]Lacaille-Dubois MA. Updated insights into the mechanism of action and clinical profile of the immunoadjuvant QS-21: A review. Phytomedicine. 2019;60:152905.
Shipping Conditions
Blue Ice
Storage Conditions
-20°C, 3 years (Powder)
Scientific Category
Natural Products
Clinical Information
Phase 3
Isoform
NLRP3

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