1. Anti-infection NF-κB Metabolic Enzyme/Protease Immunology/Inflammation Others Cell Cycle/DNA Damage
  2. Bacterial Reactive Oxygen Species (ROS) Drug Derivative DNA/RNA Synthesis
  3. ZLWH-67

ZLWH-67 is a β-Carboline derivative and Antibacterial agent. ZLWH-67 inhibits DNA synthesis, suppresses biofilm formation, and increases reactive oxygen species (ROS) levels. ZLWH-67 exhibits potent in vitro antibacterial activity against MRSA (MIC = 0.5-4 μg/mL), S. epidermidis (MIC = 4 μg/mL), E. faecalis (MIC = 4-8 μg/mL), and S. pneumoniae (MIC = 16 μg/mL). ZLWH-67 displays anti-MRSA effects in murine skin and pneumonia infection models.

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ZLWH-67

ZLWH-67 Chemical Structure

CAS No. : 3083425-49-1

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Description

ZLWH-67 is a β-Carboline derivative and Antibacterial agent. ZLWH-67 inhibits DNA synthesis, suppresses biofilm formation, and increases reactive oxygen species (ROS) levels. ZLWH-67 exhibits potent in vitro antibacterial activity against MRSA (MIC = 0.5-4 μg/mL), S. epidermidis (MIC = 4 μg/mL), E. faecalis (MIC = 4-8 μg/mL), and S. pneumoniae (MIC = 16 μg/mL). ZLWH-67 displays anti-MRSA effects in murine skin and pneumonia infection models[1].

In Vitro

ZLWH-67 (24 h) exhibits potent in vitro antibacterial activity against MRSA (MIC = 0.5-4 μg/mL), S. epidermidis (MIC = 4 μg/mL), E. faecalis (MIC = 4-8 μg/mL) and S. pneumoniae (MIC = 16 μg/mL); its MBC against MRSA USA300 is 4 μg/mL, and it shows no activity against the tested Gram-negative bacteria or fungi[1].
ZLWH-67 (16-256 μg/mL; 1 h) shows no hemolytic toxicity to sheep red blood cells[1].

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

In Vivo

ZLWH-67 (0.4 mg/kg; topical; twice daily; 4 days) significantly reduces MRSA bacterial burden, proinflammatory cytokine levels, and tissue damage in a mouse skin infection model[1].
ZLWH-67 (100 mg/kg/day) significantly improves survival, reduces MRSA bacterial burden, lowers proinflammatory cytokine levels, and mitigates tissue damage in mouse lethal and sublethal pneumonia infection models[1].

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

Animal Model: BALB/c (female, 6−8 weeks old)[1]
Dosage: 0.4 mg/kg
Administration: topical; twice daily; 4 days
Result: Reduced bacterial burden in skin tissues (log10 CFU/0.1 g tissue decreased relative to controls, P=0.0364).
Promoted wound closure relative to controls.
Significantly reduced levels of proinflammatory cytokines TNF-α, IL-6, and IL-1β in skin tissues (P=0.0009, P=0.0239, P=0.0201 respectively).
Alleviated skin tissue pathology including necrosis, inflammatory exudate, and hemorrhage.
Animal Model: C57BL/6 (female, 6−8 weeks old)[1]
Dosage: 100 mg/kg/day
Administration: daily
Result: In the lethal pneumonia model, significantly improved mouse survival rate relative to controls.
Alleviated infection-related clinical symptoms and promoted body weight recovery relative to controls.
In the sublethal pneumonia model, reduced bacterial burden in lung tissues (log10 CFU/mL tissue decreased relative to controls, P=0.0047).
Significantly reduced levels of proinflammatory cytokines TNF-α, IL-6, and IL-1β in lung tissues (P=0.0008, P=0.0016, P<0.0001 respectively).
Alleviated lung tissue pathology including alveolar wall thickening, epithelial desquamation, inflammatory infiltration, and hemorrhage.
Molecular Weight

428.44

Formula

C24H20N4O4

CAS No.
SMILES

O=C(C1=CC2=C(C=C1)C3=C(C(NC(C4CC4)=O)=NC=C3)N2)NCC5=CC=C(OCO6)C6=C5

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

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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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ZLWH-67
Cat. No.:
HY-182022
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