1. Others Anti-infection
  2. Drug Derivative Bacterial Beta-lactamase
  3. ATM potentiator-1

ATM potentiators-1 is a quercetin derivative that synergistically enhances the antibacterial activity of Aztreonam (ATM, HY-B0129) against metallo-β-lactamase-producing Pseudomonas aeruginosa. ATM potentiators-1 inhibits NDM-1, OXA-10, VIM-2, KPC-2, and OXA-48, suppressing the efflux pump activity of Pseudomonas aeruginosa. When used in combination with CCCP (HY-100941), it exhibits a synergistic inhibitory effect. ATM potentiators-1 is applicable to research related to Pseudomonas aeruginosa infections.

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ATM potentiator-1

ATM potentiator-1 Chemical Structure

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Description

ATM potentiators-1 is a quercetin derivative that synergistically enhances the antibacterial activity of Aztreonam (ATM, HY-B0129) against metallo-β-lactamase-producing Pseudomonas aeruginosa. ATM potentiators-1 inhibits NDM-1, OXA-10, VIM-2, KPC-2, and OXA-48, suppressing the efflux pump activity of Pseudomonas aeruginosa. When used in combination with CCCP (HY-100941), it exhibits a synergistic inhibitory effect. ATM potentiators-1 is applicable to research related to Pseudomonas aeruginosa infections[1].

In Vitro

ATM potentiators-1 (compound 9) inhibits purified β-lactamases KPC-2, NDM-1, VIM-2, OXA-48, and OXA-10 with IC50 values ranging from 1.6 to 26.7 μM, with the strongest activity against NDM-1[1].
ATM potentiators-1 (0-50 μM; 10 min) binds to the active site of purified NDM-1, as shown by concentration-dependent quenching of intrinsic tryptophan fluorescence[1].
ATM potentiators-1 (8 mg/L; 60 min) inhibits efflux pumps in NDM-1-producing Pseudomonas aeruginosa strain PA-017, as indicated by enhanced intracellular retention of ethidium bromide[1].
ATM potentiators-1 (16 mg/L; 24 h) potentiates aztreonam activity against NDM-1-producing Pseudomonas aeruginosa strain PA-017[1].
ATM potentiators-1 (1-32 mg/L; 18-24 h) potentiates aztreonam activity against 29 carbapenemase-producing carbapenem-resistant Pseudomonas aeruginosa isolates, with 93% showing synergistic interaction (FICI ≤0.5) and a ≥4-fold reduction in aztreonam MIC[1].

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

Cell Cytotoxicity Assay[1]

Cell Line: Immortalized human embryonic kidney (HEK293) cells
Concentration: 0.5, 1, 2, 4, 8, 16, 32 mg/L
Incubation Time: 24 h
Result: Did not affect HEK293 cell viability at concentrations up to 32 mg/L.
Parmacokinetics
Species Dose Route T1/2 Cmax AUC0-last AUC0-∞ MRT0-last MRT0-∞ C0 Vss Vz CL
Rat[1] 5 mg/kg i.v. 1.44 h 6.96 mg/L 2.55 mg·h/L 2.61 mg·h/L 0.63 h 0.85 h 13.23 mg/L 3.45 L/kg 1.00 L/kg 2000 mL/h/kg
In Vivo

ATM potentiators-1 (compound 9) (40 mg/kg; i.p.; 4 total doses at 2-hour intervals, in combination with 20 mg/kg aztreonam) achieves a 3.4 log10 reduction in bacterial burden in a murine thigh infection model with NDM-1-producing Pseudomonas aeruginosa[1].
ATM potentiators-1 (10-40 mg/kg; i.p.; single dose) is well-tolerated in 6 week-old female C57BL/6J mice, with 100% survival over 7 days[1].

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

Animal Model: C57BL/6J mice (7 week-old female, 20-22 g, intramuscular thigh infection with NDM-1-producing Pseudomonas aeruginosa strain PA-017)[1]
Dosage: 40 mg/kg (in combination with 20 mg/kg aztreonam)
Administration: i.p.; 4 total doses at 2-hour intervals
Result: Reduced mean bacterial burden in thigh tissue to 4.26 log10 CFU/thigh, representing a 3.4 log10 drop compared to untreated control.
Achieved a greater reduction than aztreonam alone (2.2 log10 drop).
Reduced thigh muscle weight by 26.4% compared to untreated control.
Caused no significant body weight changes or overt clinical signs.
Animal Model: C57BL/6J mice (6 week-old female)[1]
Dosage: 10 mg/kg; 20 mg/kg; 40 mg/kg
Administration: i.p.; single dose
Result: Resulted in 100% survival of mice over the 7-day observation period for all doses.
Molecular Weight

472.44

Formula

C23H22F2N4O5

SMILES

OC1=C2C(C(OCCC(C)(C)C)=C(OC2=CC(OCC3=NN=NN3)=C1)C4=CC=C(C(F)=C4)F)=O

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Room temperature in continental US; may vary elsewhere.

Storage

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

Purity & Documentation
References
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Help & FAQs
  • 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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ATM potentiator-1
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HY-182058
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