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Related Concept Videos

Allergic Reactions02:06

Allergic Reactions

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Hypersensitivity, also known as a hypersensitivity reaction or allergic reaction, is a condition where the body's immune system reacts abnormally to a foreign substance. Such substances, that cause hypersensitivity are referred to as an allergen, could be something typically harmless to most people, like pollen or certain foods.
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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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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.
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Conditioned taste aversion, also known as sauce béarnaise syndrome, is a phenomenon in which an individual develops an aversion to a certain food taste following a negative experience, typically illness. This form of aversion is a type of classical conditioning in which the taste of the food (conditioned stimulus, CS) is associated with the experience of illness (unconditioned stimulus, UCS).
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Related Experiment Video

Updated: Jun 25, 2025

Application of Biochip Microfluidic Technology to Detect Serum Allergen-specific Immunoglobulin E sIgE
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Food Allergy.

Chelsea Elizabeth Mendonca1, Doerthe A Andreae2

  • 1Department of Family and Community Medicine, Baylor College of Medicine, 1100 West 34th Street, Houston, TX 77018, USA.

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Summary
This summary is machine-generated.

Food allergy is a growing concern for children and adults. While treatments like oral immunotherapy show promise, avoiding trigger foods and carrying epinephrine remain key management strategies for food allergies.

Keywords:
AnaphylaxisEpinephrine autoinjectorsFood allergyIgE mediatedSkin prick test

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Area of Science:

  • Allergy and Immunology
  • Pediatric Health
  • Gastroenterology

Background:

  • Food allergy is a significant and increasing global health issue.
  • Affects both pediatric and adult populations worldwide.
  • Includes both immunoglobulin E (IgE)-mediated and non-IgE-mediated conditions.

Purpose of the Study:

  • To review the current understanding of food allergy diagnosis and management.
  • To highlight the challenges and advancements in treating food allergies.
  • To emphasize the importance of avoidance and emergency preparedness.

Main Methods:

  • Clinical evaluation and patient history are crucial for diagnosis.
  • Diagnostic tools include skin prick tests and specific IgE blood tests.
  • Oral food challenges are used to confirm diagnosis and assess tolerance.

Main Results:

  • Oral immunotherapy (OIT) can induce sustained unresponsiveness in some individuals.
  • No definitive cure for food allergies is currently available.
  • Current management focuses on strict food avoidance and emergency treatment.

Conclusions:

  • Food allergy diagnosis requires a comprehensive approach.
  • While OIT offers therapeutic potential, it is not a universal cure.
  • Effective management relies on patient education, avoidance strategies, and readily available epinephrine autoinjectors.