1. GPCR/G Protein Immunology/Inflammation MAPK/ERK Pathway Membrane Transporter/Ion Channel Neuronal Signaling
  2. CCR CXCR p38 MAPK JNK Calcium Channel
  3. Catenarin

Catenarin, an anthraquinone compound, inhibits CCR5- and CXCR4-mediated chemotaxis. Catenarin reduces the phosphorylation of mitogen-activated protein kinases (p38 and JNK) and their upstream kinases (MKK6 and MKK7), and calcium mobilization. Catenarin shows anti-inflammatory effect and suppresses leukocyte migration in the diabetes. Catenarin exhibits significant inhibitory effects against Gram-positive bacteria. Catenarin prevents type 1 diabetes (T1D) in nonobese diabetic mice[1][2].

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Catenarin Chemical Structure

Catenarin Chemical Structure

CAS No. : 476-46-0

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Description

Catenarin, an anthraquinone compound, inhibits CCR5- and CXCR4-mediated chemotaxis. Catenarin reduces the phosphorylation of mitogen-activated protein kinases (p38 and JNK) and their upstream kinases (MKK6 and MKK7), and calcium mobilization. Catenarin shows anti-inflammatory effect and suppresses leukocyte migration in the diabetes. Catenarin exhibits significant inhibitory effects against Gram-positive bacteria. Catenarin prevents type 1 diabetes (T1D) in nonobese diabetic mice[1][2].

In Vitro

Catenarin (0-2.5 μg/mL, 1 h) inhibits CCR5 (IC50 = 0.24 μg/mL) mediated chemotaxis in JK-EF1α-CCR5 cells and CXCR4 (IC50 = 0.46 μg/mL) mediated chemotaxis in Jurkat cells[1].

Catenarin (1-5 μg/mL, 1 h) inhibits calcium mobilization in CCR5 and CXCR4 pathways in JK-EF1α-CCR5 cells and Jurkat cells[1].

Catenarin (1 μg/mL, 0-15 min) inhibits the activation of MAPK cascades in CCR5 and CXCR4 pathways in JK-EF1α-CCR5 cells and Jurkat cells[1].

Catenarin (1 μg/mL, 1 h) does not affect surface expression of CCR5 and CXCR4 receptors in JK-EF1α-CCR5 cells or Jurkat cells[1].

Catenarin (0.1-0.2 μg/mL, 0-10 h) exhibits significant inhibitory effects against Gram-positive bacteria with a minimum inhibitory concentration (MIC) of 1 μg/mL in complex media and 0.2 μg/mL in synthetic media[2].

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

Cell Migration Assay [1]

Cell Line: Jurkat cells and JK-EF1α-CCR5 cells
Concentration: 0.5 μg/mL
Incubation Time: 8 h
Result: Abolished the movement of Jurkat cells and JK-EF1α-CCR5 cells toward SDF-1β and MIP-1β.
Abolished Jurkat cell migration mediated by MKK6 and MKK7.

Western Blot Analysis[1]

Cell Line: Jurkat cells, JK-EF1α-CCR5 cells and JK-EF1α-CCR5 cells
Concentration: 1 μg/mL
Incubation Time:
Result: Inhibited the phosphorylation of the p38 and JNK in JK-EF1α-CCR5 and Jurkat cells in response to MIP-1β and SDF-1β.
Increased the phosphorylation of ERK1/2.
Reduced the phosphorylation of MKK6 in K-EF1α-CCR5 cells triggered by MIP-1β and Jurkat cells triggered by SDF-1β.
Decreased the phosphorylation of MKK7.
In Vivo

Catenarin (4-40 mg/kg, i.p., three times per week, 4-30 weeks) suppresses leukocyte migration, islet destruction, and T1D in NOD mice[1].

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

Animal Model: Female NOD mice (4-30 weeks)[1]
Dosage: 0.4, 4, and 20 mg/kg
Administration: i.p. three times per week for 26 weeks
Result: Reduced diabetes in the age-matched mice by 33%, 86%, and 100%.
Prevented T1D in NOD mice to a greater extent than Aspirin (acetylsalicylic acid) (HY-14654).
Showed a marginal-to-modest islet destruction and leukocyte infiltration at 4 mg/kg and over.
Reduced the level of blood glucose and HbA1C at 4 mg/kg and over.
Reduced the number of CD8+ T cells and dendritic cells.
Molecular Weight

286.24

Formula

C15H10O6

CAS No.
SMILES

O=C1C2=C(C(C3=C(C=C(C)C(O)=C13)O)=O)C(O)=CC(O)=C2

Structure Classification
Initial Source

Conoideocrella krungchingensis

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation
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Catenarin
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HY-N11723
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