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Related Concept Videos

Antimicrobial Proteins01:23

Antimicrobial Proteins

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Antimicrobial proteins are important components of the immune system. They aid the body in combating pathogens by either killing them directly or hindering their replication processes. Four main types of antimicrobial substances are interferons, the complement system, iron-binding proteins, and antimicrobial proteins.
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
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Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy01:16

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Helicobacter pylori, a resilient gram-negative bacterium, can thrive in the stomach's harsh, acidic environment. Infection with H. pylori leads to a cascade of events within the stomach lining. One of the critical disruptions caused by this bacterium is the interference with somatostatin production, a hormone responsible for regulating acid secretion. This interference tips the balance, escalating acid secretion and diminishing bicarbonate levels. This imbalance compromises the defensive...
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Combined Effects of Drugs: Synergism01:27

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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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Development of a Backbone Cyclic Peptide Library as Potential Antiparasitic Therapeutics Using Microwave Irradiation
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Development of a Backbone Cyclic Peptide Library as Potential Antiparasitic Therapeutics Using Microwave Irradiation

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Recent advances in antimicrobial peptide-based therapy.

Aditya Mulukutla1, Romi Shreshtha1, Vishal Kumar Deb1

  • 1School of Health Sciences and Technology, UPES, Dehradun 248007, Uttarakhand, India.

Bioorganic Chemistry
|February 15, 2024
PubMed
Summary
This summary is machine-generated.

Antimicrobial peptides (AMPs) show promise for combating antibiotic-resistant pathogens. However, their clinical use is limited by cytotoxicity and instability, necessitating further research for effective therapeutic applications.

Keywords:
AntibacterialAntifungalAntimicrobial peptidesAntiviralImmunotherapy

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Area of Science:

  • Immunology
  • Microbiology
  • Biochemistry

Background:

  • Antimicrobial peptides (AMPs) are crucial components of the innate immune system in both prokaryotes and eukaryotes.
  • AMPs are gaining attention as potential alternatives to conventional antibiotics due to the rise of antibiotic-resistant pathogens.
  • Gramicidin, the first discovered AMP, highlights their broad-spectrum antimicrobial activity.

Purpose of the Study:

  • To review the mechanisms of action of AMPs.
  • To outline the limitations hindering the clinical application of AMPs.
  • To discuss recent advancements in overcoming these limitations and compare AMPs with alternative antimicrobial strategies.

Main Methods:

  • Literature review of scientific articles on antimicrobial peptides.
  • Analysis of AMP mechanisms, cytotoxicity, and stability.
  • Comparative assessment of AMPs against other antimicrobial agents like bacteriophages, traditional medicine, and probiotics.

Main Results:

  • AMPs exhibit potent activity against a wide range of microbes, including viruses, bacteria, and protists.
  • Key limitations include potential cytotoxicity to host cells and rapid degradation in biological environments.
  • Recent developments focus on peptide engineering to enhance stability and reduce toxicity.

Conclusions:

  • AMPs offer a promising avenue for novel antimicrobial therapies, particularly against resistant strains.
  • Overcoming limitations through technological advancements is crucial for their successful clinical translation.
  • Further research is needed to fully elucidate the therapeutic potential and safety profile of AMPs compared to existing and alternative treatments.