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Related Concept Videos

Microbial Corrosion01:24

Microbial Corrosion

Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...
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Parasitism is a form of microbial interaction in which parasitic microbes exploit a host organism for nutrients and shelter, often at the host's expense. Unlike mutualistic relationships, where both organisms benefit, parasitism benefits only the parasite and harms the host.Classification of ParasitesMicrobial parasites are broadly classified based on their location relative to the host.Ectoparasites remain on the host’s surface, such as the skin or outer tissues, drawing nutrients...
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Pathogen colonization of host tissues is a critical step in the development of infectious diseases. Various pathogenic microorganisms, including bacteria, fungi, viruses, and protozoa, have evolved complex strategies to attach to, invade, and persist within host environments. These mechanisms enable pathogens to establish infections, evade immune responses, and resist antimicrobial treatments.Attachment to Host CellsIn bacteria, colonization typically begins with adherence to host epithelial...
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Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
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Screening Bioactive Nanoparticles in Phagocytic Immune Cells for Inhibitors of Toll-like Receptor Signaling
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Screening Bioactive Nanoparticles in Phagocytic Immune Cells for Inhibitors of Toll-like Receptor Signaling

Published on: July 26, 2017

Inhibiting host-pathogen interactions using membrane-based nanostructures.

Daniel A Bricarello1, Mira A Patel, Atul N Parikh

  • 1Food Science and Technology, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA.

Trends in Biotechnology
|April 3, 2012
PubMed
Summary
This summary is machine-generated.

Engineered nanostructures mimic cellular receptors to neutralize bacterial and viral pathogens. These lipid-bilayer decoys offer a novel therapeutic strategy against infectious diseases.

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Area of Science:

  • Biotechnology
  • Nanomedicine
  • Infectious Disease Therapeutics

Background:

  • Pathogenic bacteria and viruses infect host cells by binding to plasma membrane receptors.
  • Current therapeutic strategies often struggle to effectively interrupt early-stage pathogen invasion.

Purpose of the Study:

  • To review emerging applications of engineered nanostructures as decoys for interrupting pathogen infection.
  • To highlight lipid-bilayer-based nanostructures displaying functional cellular receptors.

Main Methods:

  • Review of molecularly engineered lipid-bilayer-based nanostructures.
  • Focus on functionalized liposomes, supported colloidal bilayers/protocells, and reconstituted lipoproteins.
  • Analysis of receptor mimicry and binding affinity for virulence factors.

Main Results:

  • Engineered nanostructures effectively mimic cellular receptors.
  • These decoys exhibit high-affinity binding to bacterial and viral virulence factors.
  • Nanostructure decoys outcompete host cell receptors, neutralizing pathogens.

Conclusions:

  • Lipid-bilayer-based nanostructures offer a promising new therapeutic approach for antipathogenic therapy.
  • Decoy nanostructures can be engineered to display optimized cellular receptors.
  • This strategy presents a novel method for early interruption of pathogen infection.