1. Immunology/Inflammation NF-κB Metabolic Enzyme/Protease
  2. Reactive Oxygen Species
  3. Randialic acid B

Randialic acid B, a triterpenoid compound, is a formyl peptide receptor 1 (FPR1) antagonist. Randialic acid B blocks FPR1 in human neutrophils and attenuates psoriasis-like inflammation in vivo.

For research use only. We do not sell to patients.

Randialic acid B Chemical Structure

Randialic acid B Chemical Structure

CAS No. : 14021-14-8

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1 mg USD 280 In-stock
5 mg USD 720 In-stock
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Based on 1 publication(s) in Google Scholar

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Description

Randialic acid B, a triterpenoid compound, is a formyl peptide receptor 1 (FPR1) antagonist. Randialic acid B blocks FPR1 in human neutrophils and attenuates psoriasis-like inflammation in vivo[1].

In Vitro

Randialic acid B (0.1-3 μM; for 5 min) selectively inhibits reactive oxygen species production, elastase release, and CD11b expression in human neutrophils activated by FPR1. Randialic acid B inhibits the binding of N-formyl peptide to FPR1 in human neutrophils, neutrophil-like THP-1 cells, and hFPR1-transfected HEK293 cells, indicating FPR1 antagonism[1].
Randialic acid B acts competitively for its binding to the FPR1 receptor. The FPR1-downstream signaling such as Ca2+ mobilisation and activation of Akt and MAPKs is also competitively inhibited[1].
Randialic acid B shows significant cell-protective effects against H2O2-induced H9c2 cardiomyocyte injury[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

Randialic acid B (10 mg/kg; i.v.; every other day; for 5 days) significantly reduces Imiquimod-induced psoriasis-like symptom, including epidermal hyperplasia, desquamation with scaling, neutrophil skin infiltration, and transepidermal water loss[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: BALB/c white female mice (20 g weight; 7-week-old) treated with Imiquimod[1]
Dosage: 10 mg/kg
Administration: i.v.; every other day; for 5 days
Result: Significantly reduced Imiquimod-induced psoriasis-like symptoms.
Molecular Weight

454.68

Formula

C30H46O3

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

OC([C@](CC[C@]12C)(CC[C@H]3C)C(C1=CC[C@@]4([H])[C@]2(CC[C@](C(C)5C)([H])[C@@]4(CC[C@@H]5O)C)C)=C3C)=O

Structure Classification
Initial Source
Shipping

Room temperature in continental US; may vary elsewhere.

Storage

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (219.93 mM; ultrasonic and warming and heat to 60°C; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.1993 mL 10.9967 mL 21.9935 mL
5 mM 0.4399 mL 2.1993 mL 4.3987 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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Working solution concentration: mg/mL
Purity & Documentation

Purity: 99.94%

References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.1993 mL 10.9967 mL 21.9935 mL 54.9837 mL
5 mM 0.4399 mL 2.1993 mL 4.3987 mL 10.9967 mL
10 mM 0.2199 mL 1.0997 mL 2.1993 mL 5.4984 mL
15 mM 0.1466 mL 0.7331 mL 1.4662 mL 3.6656 mL
20 mM 0.1100 mL 0.5498 mL 1.0997 mL 2.7492 mL
25 mM 0.0880 mL 0.4399 mL 0.8797 mL 2.1993 mL
30 mM 0.0733 mL 0.3666 mL 0.7331 mL 1.8328 mL
40 mM 0.0550 mL 0.2749 mL 0.5498 mL 1.3746 mL
50 mM 0.0440 mL 0.2199 mL 0.4399 mL 1.0997 mL
60 mM 0.0367 mL 0.1833 mL 0.3666 mL 0.9164 mL
80 mM 0.0275 mL 0.1375 mL 0.2749 mL 0.6873 mL
100 mM 0.0220 mL 0.1100 mL 0.2199 mL 0.5498 mL
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  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Product Name:
Randialic acid B
Cat. No.:
HY-N8152
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