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Related Concept Videos

Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

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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...
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Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Combined Effects of Drugs: Synergism01:27

Combined Effects of Drugs: Synergism

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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...
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Biological Methods for Microbial Control01:28

Biological Methods for Microbial Control

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Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
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Tumor Immunotherapy01:27

Tumor Immunotherapy

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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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Antimicrobial Effectiveness01:28

Antimicrobial Effectiveness

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The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
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Enrichment of Native and Recombinant Extracellular Vesicles of Mycobacteria
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Towards efficient immunotherapy for bacterial infection.

Timothy R McCulloch1, Timothy J Wells2, Fernando Souza-Fonseca-Guimaraes1

  • 1University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia.

Trends in Microbiology
|July 13, 2021
PubMed
Summary
This summary is machine-generated.

Superbugs are a growing threat due to multiantibiotic resistance and immune evasion. Immunotherapy offers a promising alternative or complementary approach to combat difficult-to-treat bacterial infections.

Keywords:
antibiotic resistancebacterial infectionimmune reactivationimmunosuppressionimmunotherapy

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Area of Science:

  • Infectious Diseases
  • Immunology
  • Microbiology

Background:

  • Multiantibiotic-resistant bacteria (superbugs) cause increasingly untreatable infections.
  • Bacteria can evade immune responses, persisting even with antibiotic treatment.
  • Urgent need for novel therapies beyond traditional antibiotics to combat resistance.

Purpose of the Study:

  • To review recent advances in immunotherapy for bacterial infections.
  • To discuss current and future perspectives of immunotherapy in infectious disease.

Main Methods:

  • Literature review of recent scientific publications.
  • Synthesis of findings on immunotherapy applications for bacterial infections.

Main Results:

  • Immunotherapy is a rapidly advancing field with potential for treating bacterial infections.
  • This approach leverages immune system modulation to fight pathogens.

Conclusions:

  • Immunotherapy presents a viable therapeutic strategy against antibiotic-resistant and persistent bacterial infections.
  • Further research and clinical application of immunotherapies are crucial for addressing the global threat of antimicrobial resistance.