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Related Concept Videos

Antibody Structure01:10

Antibody Structure

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Overview
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
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The specific heat capacity of a substance refers to the energy required to increase the temperature of one gram of that substance by one degree Celcius. Specific heat capacity is often represented in calories (cal), grams (g), and degrees Celsius (oC), but can also be expressed in joules (J), kilograms (kg), and Kelvin (K), among other units.
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Antibodies, or immunoglobulins, are critical players in the immune system's arsenal against invading pathogens. Produced by B cells and plasma cells, their primary role is to detect and bind to specific antigens, molecules found on the surface of pathogens like bacteria or viruses. Beyond antigen recognition, antibodies perform several vital functions that contribute to immune defense.
Neutralization
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Antibody Structure and Classes01:25

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Antibodies, also known as immunoglobulins, are produced by B cells in response to foreign substances, such as bacteria and viruses. These proteins are critical for recognizing and neutralizing these substances, protecting the body from potential harm.
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Density, specific weight, specific gravity, and compressibility are fundamental properties of fluids. Density is the mass per unit volume, characterizing the mass of a fluid system. It influences buoyancy, pressure, flow dynamics, viscosity, thermal conductivity, and sound propagation. For instance, in pipeline design, accurate density measurements ensure that the pipeline can handle the fluid's mass.
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Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
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Aspergillus-specific antibodies - Targets and applications.

Max Schubert1, Holger Spiegel1, Stefan Schillberg2

  • 1Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Forckenbeckstrasse 6, 52074 Aachen, Germany.

Biotechnology Advances
|April 3, 2018
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Summary

Aspergillus-specific antibodies are crucial for detecting fungal infections and mycotoxins. Identifying their specific targets is key for diagnostics, therapeutics, and understanding fungal diseases.

Keywords:
AflatoxinsAllergenAspergillosisCell wall antigensEpitope mappingExoantigensPlant pathogenSecondary metabolites

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Area of Science:

  • Mycology
  • Immunology
  • Biotechnology

Background:

  • Aspergillus fungi cause significant health issues in plants, animals, and humans through infection and mycotoxin production.
  • Aspergillus-specific antibodies are used for infection monitoring and mycotoxin quantification.
  • Current antibodies often target heterogeneous antigens, leaving specific targets unidentified.

Purpose of the Study:

  • To review methods for raising and characterizing Aspergillus-specific antibodies.
  • To focus on strategies for identifying specific antigens and epitopes targeted by these antibodies.
  • To discuss the applications of Aspergillus-specific antibodies in therapy, diagnostics, and biotechnology.

Main Methods:

  • Review of existing literature on antibody generation against Aspergillus.
  • Discussion of antigen preparation and characterization techniques.
  • Exploration of epitope mapping and target identification strategies.

Main Results:

  • Antibodies are raised against diverse Aspergillus components like polypeptides, polysaccharides, and secondary metabolites.
  • Target identification enhances understanding of fungal morphology and pathogenicity.
  • Specific antigen identification is crucial for developing precise diagnostic and therapeutic tools.

Conclusions:

  • Identifying specific antigens and epitopes of Aspergillus-specific antibodies is vital.
  • This knowledge advances diagnostic accuracy, therapeutic development, and biotechnological applications.
  • Further research into antibody-antigen interactions will improve control of Aspergillus-related diseases.