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Allergic Drug Reactions01:27

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Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing...
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Related Experiment Video

Updated: Nov 4, 2025

Measuring Changes in Tactile Sensitivity in the Hind Paw of Mice Using an Electronic von Frey Apparatus
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Immunological Responses to Envenomation.

Rachael Y M Ryan1,2,3, Jamie Seymour1,2, Alex Loukas1,2

  • 1Division of Tropical Health and Medicine, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia.

Frontiers in Immunology
|May 27, 2021
PubMed
Summary
This summary is machine-generated.

Host immune systems defend against venomous toxins through detection, neutralization, and detoxification. This review explores immune cell roles in venom resistance and pathology, and potential therapeutic uses of venom compounds.

Keywords:
Irukandji syndromeadaptive immunitydetoxificationimmunopathologyinnate immunitysystemic inflammationvenomvenom allergy

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Area of Science:

  • Immunology
  • Toxicology
  • Pharmacology

Background:

  • Venoms are complex toxic mixtures causing diverse human health outcomes.
  • Host defense involves innate and adaptive immunity targeting venom components.
  • Venoms can also cause immune dysregulation, increasing disease severity.

Purpose of the Study:

  • To review immune cell involvement in host resistance and venom-induced immunopathology.
  • To discuss venom-associated pathologies like allergy and systemic inflammation.
  • To explore venom compounds as potential immunomodulatory drugs.

Main Methods:

  • Literature review of host immune responses to envenomation.
  • Analysis of immune cell subtypes and mediators in venom-affected tissues (dermis).
  • Investigation of venom-induced systemic inflammatory responses, including Irukandji syndrome.

Main Results:

  • Specific immune cells and mediators in the dermis are crucial for host defense and pathology.
  • Venoms can trigger systemic inflammation, allergy, and potentially syndromes like Irukandji.
  • Venom-derived compounds show potential for developing new immunomodulatory therapies.

Conclusions:

  • Immune responses are central to both combating and being harmed by venom.
  • Understanding venom-immunology can lead to novel therapeutic strategies.
  • Venom components offer a promising source for drug discovery in immune-related diseases.