Multi-functionalized nanocarriers targeting bacterial reservoirs to overcome challenges of multi drug-resistance

Maria Hassan Kiani1, Muhammad Imran2, Abida Raza3

  • 1Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan.

Abstract

Insights

Nanocarrier systems offer a promising strategy to overcome multidrug resistance in intracellular bacterial infections. These advanced systems enable targeted drug delivery, improving treatment efficacy against resistant strains of Staphylococcus aureus, Salmonella typhimurium, and Mycobacterium tuberculosis.

Area of Science:

  • Nanotechnology
  • Infectious Diseases
  • Drug Delivery

Background:

  • Intracellular bacteria like Staphylococcus aureus, Salmonella typhimurium, and Mycobacterium tuberculosis pose significant public health challenges.
  • The rise of multidrug-resistant (MDR) strains complicates treatment, as bacteria within cells create additional therapeutic barriers.

Purpose of the Study:

  • To review the application of nanocarrier systems for intracellular targeting of bacteria.
  • To explore strategies for overcoming multidrug resistance in infections caused by Staphylococcus aureus, Salmonella typhimurium, and Mycobacterium tuberculosis.

Main Methods:

  • A comprehensive literature search was conducted using databases such as Google Scholar, Web of Science, Scopus, and Nature Index.
  • Keywords included 'nanoparticles,' 'intracellular targeting,' 'multidrug resistance,' and specific bacterial species.
  • Information was categorized by bacterial species and nanocarrier system type.

Main Results:

  • Conventional antibiotic treatments often involve long durations, leading to side effects and poor patient compliance.
  • Multi-functionalized nanocarrier systems facilitate targeted drug delivery within infected cells, enabling sustained and controlled release.
  • These nanocarrier strategies show potential in overcoming challenges associated with multidrug resistance.

Conclusions:

  • Multi-functional nanocargoes encapsulating antibiotics represent a promising approach to combat multidrug resistance.
  • Targeted delivery and controlled release of drugs via nanocarriers can improve treatment outcomes for intracellular bacterial infections.

Related Concept Videos

Development of Antibiotic Resistance01:30

Development of Antibiotic Resistance

Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...
1000
Combined Effects of Drugs: Synergism01:27

Combined Effects of Drugs: Synergism

Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
Such synergistic combinations...
6.6K
Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
2.5K
Antibiotic Selection00:57

Antibiotic Selection

Overview
59.2K
Treatment Resistant Cancers02:56

Treatment Resistant Cancers

Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify their microenvironment and escape immune surveillance. The difficulties in treating cancer are further compounded by the emergence of rapid resistance to anticancer drugs. The most common ways to attain resistance in cancer cells include alteration in drug transport and metabolism, modification of drug target, elevated DNA damage response, or...
3.6K