Amikacin-loaded selenium nanoparticles improved antibacterial and antibiofilm activity of amikacin against bovine mastitis-causing Staphylococcus aureus
2024

Improving Amikacin's Effectiveness Against Bovine Mastitis with Selenium Nanoparticles

Sample size: 150 publication 10 minutes Evidence: high

Author Information

Author(s): Asadpour Leila, Mehrbakhsh Bandari Maryam Alsadat, Sojoudi Masouleh Roozbeh

Primary Institution: Islamic Azad University, Rasht Branch, Iran

Hypothesis

Can amikacin-loaded selenium nanoparticles enhance antibacterial and antibiofilm activity against multidrug-resistant Staphylococcus aureus?

Conclusion

The study found that selenium nanoparticles loaded with amikacin significantly improved its antibacterial effects and reduced biofilm formation.

Supporting Evidence

  • Selenium nanoparticles showed significant antibacterial effects against S. aureus isolates.
  • Loading amikacin onto selenium nanoparticles decreased the minimum inhibitory concentration significantly.
  • SeNPs@AMK reduced biofilm formation by more than 50% compared to the control.
  • Real-time PCR showed down-regulation of biofilm-associated genes in treated isolates.

Takeaway

Scientists created tiny particles that can carry a medicine to help fight a stubborn germ that makes cows sick, and they found it works better than the medicine alone.

Methodology

Selenium nanoparticles were synthesized and loaded with amikacin, then tested for antibacterial and antibiofilm properties against Staphylococcus aureus using various assays.

Potential Biases

Potential bias in sample selection and testing methods could affect the generalizability of the results.

Limitations

The study focused only on in vitro results and did not assess in vivo efficacy or long-term effects.

Participant Demographics

Milk samples were taken from 150 cows with sub-clinical mastitis in Guilan province, Northern Iran.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1016/j.heliyon.2024.e41103

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