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[Intracellular penetration of macrolides]

M T Labro1

  • 1INSERM U294, Service d'Hématologie, et d'Immunologie biologiques, CHU Xavier Bichat, Paris.

Presse Medicale (Paris, France : 1983)
|March 1, 1997
PubMed

Insights

Macrolides effectively penetrate host cells, concentrating intracellularly to combat intercellular pathogens. Their unique pharmacokinetics and cellular effects offer therapeutic advantages for treating cell-associated infections.

Area of Science:

  • Pharmacology
  • Cell Biology
  • Microbiology

Context:

  • Macrolides are a class of antibiotics known for their ability to enter host cells.
  • This cellular penetration is crucial for their efficacy against intracellular pathogens.
  • Understanding macrolide pharmacokinetics and intracellular accumulation is key to optimizing their therapeutic use.

Purpose:

  • To elucidate the mechanism of macrolide cell penetration and intracellular accumulation.
  • To correlate intracellular macrolide concentrations with therapeutic efficacy against cell-associated microorganisms.
  • To investigate the impact of macrolide structure on intracellular pharmacokinetics and exflux.

Summary:

  • Macrolides possess significant cell penetration capabilities, forming the basis for their activity against intracellular microbes.
  • Erythromycin A derivatives exhibit varying intracellular accumulation patterns based on their chemical structure (e.g., single vs. double base groups).
  • High intracellular concentrations of macrolides support their use in treating cell-associated pathogens and suggest potential roles in modulating host cell function.

Impact:

  • Provides insight into the pharmacokinetic properties of macrolides, particularly their intracellular behavior.
  • Highlights the therapeutic potential of macrolides for infections caused by intracellular bacteria.
  • Suggests macrolides may influence host cell metabolism and function, opening avenues for novel therapeutic strategies.

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