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Related Concept Videos

Allergic Reactions02:06

Allergic Reactions

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Allergic Reactions: Anaphylaxis01:30

Allergic Reactions: Anaphylaxis

Anaphylaxis is a severe, life-threatening hypersensitivity reaction mediated by Immunoglobulin E (IgE) antibodies. When IgE binds to allergens, it triggers the release of mediators– histamine, leukotrienes, and prostaglandins from mast cells and basophils. These mediators cause vasodilation, edema, and inflammation, leading to various symptoms.The primary allergens causing anaphylaxis include food items (e.g., peanuts, shellfish), drugs (e.g., penicillin, asparaginase, corticotropin, heparin),...
Drug Toxicity: Allergic Reactions01:30

Drug Toxicity: Allergic Reactions

Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial exposure to a...
Allergic Drug Reactions01:27

Allergic Drug Reactions

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 numerous...
Hypersensitivities01:30

Hypersensitivities

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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Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...
Cross-reactivity00:42

Cross-reactivity

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Related Experiment Video

Updated: Jun 19, 2026

Extraction and Analysis of Taiwanese Green Propolis
06:50

Extraction and Analysis of Taiwanese Green Propolis

Published on: January 7, 2019

Contact allergy to propolis in beekeepers.

K Münstedt1, M Kalder

  • 1Department of Obstetrics and Gynaecology, Justus Liebig University, Klinikstrasse 32, 35385 Giessen, Germany. karsten.muenstedt@gyn.med.uni-giessen.de

Allergologia Et Immunopathologia
|October 27, 2009
PubMed
Summary

Propolis allergy, though rare, affects beekeepers after an average of 9.5 years. Many also suffer from other allergies, and hand-cleaning solvents may contribute to propolis allergy development.

Area of Science:

  • Allergy and Immunology
  • Occupational Health

Background:

  • Propolis allergy is considered rare with limited existing knowledge.
  • Understanding the specific characteristics of propolis allergy is crucial for affected individuals.

Purpose of the Study:

  • To investigate the onset, comorbidities, and potential prevention strategies for propolis allergy in beekeepers.
  • To gather data from a specific cohort of beekeepers diagnosed with propolis allergy.

Main Methods:

  • A questionnaire was distributed to 41 beekeepers with diagnosed propolis allergy, identified through German beekeeping journals.
  • The study collected data on disease onset, co-existing allergies, and perceived contributing factors.

Main Results:

  • A significant majority (70.7%) of contacted beekeepers confirmed propolis allergy via local allergologists.

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Extraction and Analysis of Taiwanese Green Propolis
06:50

Extraction and Analysis of Taiwanese Green Propolis

Published on: January 7, 2019

Video Tracking Protocol to Screen Deterrent Chemistries for Honey Bees
10:19

Video Tracking Protocol to Screen Deterrent Chemistries for Honey Bees

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Preparation of Single-cohort Colonies and Hormone Treatment of Worker Honeybees to Analyze Physiology Associated with Role and/or Endocrine System
08:53

Preparation of Single-cohort Colonies and Hormone Treatment of Worker Honeybees to Analyze Physiology Associated with Role and/or Endocrine System

Published on: September 6, 2016

  • Allergy onset occurred after an average of 9.5 years of beekeeping, with a high comorbidity of other allergies (72.4%).
  • Systemic reactions were observed, and beekeepers hypothesized that hand-cleaning solvents might play a role in allergy development.

    • Conclusions:

    • This research offers novel insights into the manifestation of propolis allergy among beekeepers.
    • Future research should explore the potential link between hand-cleaning solvents and the development of propolis allergy.