Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

The Squeeze Theorem01:30

The Squeeze Theorem

362
Certain mathematical functions exhibit unpredictable or highly variable behavior near specific input values, making direct evaluation of their limits challenging. This complexity may arise from rapid oscillations or irregular patterns that obscure the function’s trend. In such cases, the Squeeze Theorem offers a reliable method for determining limits.According to the Squeeze Theorem, if a function is confined between two other functions near a particular point, and both outer functions...
362
Allergic Reactions: Anaphylaxis01:30

Allergic Reactions: Anaphylaxis

18
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,...
18
Pancreatic Juice and Secretion01:26

Pancreatic Juice and Secretion

3.1K
Pancreatic juice is a clear fluid produced by the pancreas, containing water, salts, sodium bicarbonate, and enzymes vital for digestion in the small intestine. It helps break down large molecules, facilitating nutrient absorption.
When acidic chyme from the stomach enters the duodenum, it triggers the release of secretin, a hormone that prompts pancreatic juice secretion. After a fatty meal, cholecystokinin, another hormone, stimulates gallbladder contraction and enhances enzyme-rich...
3.1K
Segregation in Fresh Concrete01:16

Segregation in Fresh Concrete

618
Segregation in fresh concrete is a phenomenon where the components of the concrete mix separate, leading to uneven distribution and compromised structural integrity. This separation typically occurs when concrete is subjected to excessive horizontal movement within forms, or when it is dropped from considerable heights or forced through narrow, winding paths. As a result, heavier coarse aggregate particles settle at the bottom, while lighter, finer materials such as cement and water rise to the...
618
Bleeding in Fresh Concrete01:22

Bleeding in Fresh Concrete

622
Bleeding in fresh concrete occurs when water from the mix rises to the surface. This happens because the mix's solid components fail to retain all the water as they settle, leading to separation where water collects at the top. The severity of bleeding can be measured by assessing the total settlement or by noting the decrease in height per unit height of concrete.
Bleeding can cause several issues in the concrete structure. Sometimes, the rising water gets trapped beneath large aggregate...
622
Acids, Bases and Neutralization Reactions03:26

Acids, Bases and Neutralization Reactions

64.0K
An acid-base reaction is one in which a hydrogen ion, H+, is transferred from one chemical species to another. Such reactions are of central importance to numerous natural and technological processes, ranging from the chemical transformations within cells or lakes and oceans to the industrial-scale production of fertilizers, pharmaceuticals, and other substances essential to the society.
64.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Factors Affecting the Safety and Effectiveness of Venom Immunotherapy.

Journal of investigational allergology & clinical immunology·2023
Same author

Treatment of pemphigus vulgaris and foliaceus with efgartigimod, a neonatal Fc receptor inhibitor: a phase II multicentre, open-label feasibility trial.

The British journal of dermatology·2021
Same author

Successful treatment of progressive mucinous histiocytosis with multilayer CO<sub>2</sub> -laser ablation.

Journal of the European Academy of Dermatology and Venereology : JEADV·2019
Same author

Dipolar Quantum Mixtures of Erbium and Dysprosium Atoms.

Physical review letters·2018
Same author

Scaffolds in a shell-a new approach combining one-photon and two-photon polymerization.

Optics express·2018
Same author

General anaesthesia-induced anaphylaxis: impact of allergy testing on subsequent anaesthesia.

Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology·2016

Related Experiment Video

Updated: Feb 15, 2026

Measuring Local Anaphylaxis in Mice
07:49

Measuring Local Anaphylaxis in Mice

Published on: October 14, 2014

20.0K

Freshly squeezed: anaphylaxis caused by drone larvae juice.

J Stoevesandt1, A Trautmann1

  • 1Department of Dermatology, Venereology, and Allergology, University Hospital Würzburg, Würzburg, Germany.

European Annals of Allergy and Clinical Immunology
|February 1, 2018
PubMed
Summary

Drone larvae, a potential high-protein food, can cause allergic reactions. This report details the first case of IgE-mediated allergy to drone larvae, confirmed by specific testing in a beekeeper.

Keywords:
beekeepinghoneypropolisroyal jellyvenom

More Related Videos

Cell Squeezing as a Robust, Microfluidic Intracellular Delivery Platform
08:02

Cell Squeezing as a Robust, Microfluidic Intracellular Delivery Platform

Published on: November 7, 2013

13.4K
Mouse Body Temperature Measurement Using Infrared Thermometer During Passive Systemic Anaphylaxis and Food Allergy Evaluation
04:34

Mouse Body Temperature Measurement Using Infrared Thermometer During Passive Systemic Anaphylaxis and Food Allergy Evaluation

Published on: September 14, 2018

26.6K

Related Experiment Videos

Last Updated: Feb 15, 2026

Measuring Local Anaphylaxis in Mice
07:49

Measuring Local Anaphylaxis in Mice

Published on: October 14, 2014

20.0K
Cell Squeezing as a Robust, Microfluidic Intracellular Delivery Platform
08:02

Cell Squeezing as a Robust, Microfluidic Intracellular Delivery Platform

Published on: November 7, 2013

13.4K
Mouse Body Temperature Measurement Using Infrared Thermometer During Passive Systemic Anaphylaxis and Food Allergy Evaluation
04:34

Mouse Body Temperature Measurement Using Infrared Thermometer During Passive Systemic Anaphylaxis and Food Allergy Evaluation

Published on: September 14, 2018

26.6K

Area of Science:

  • Food Science
  • Allergology
  • Entomology

Background:

  • Drone larvae are increasingly recognized for their nutritional value, particularly as a high-protein food source.
  • Despite their potential, the allergenic properties of drone larvae remain largely uninvestigated.
  • This lack of data highlights a gap in understanding potential risks associated with consuming drone larvae.

Observation:

  • A 29-year-old beekeeper experienced anaphylaxis after consuming a beverage made from raw drone larvae.
  • The patient tolerated bee stings, honey, and royal jelly, indicating a specific allergy to drone larvae.
  • Diagnostic tests, including prick-to-prick and basophil activation tests, confirmed sensitization to drone larvae.

Findings:

  • This report documents the first known case of immunoglobulin E (IgE)-mediated allergy to drone larvae.
  • The beekeeper exhibited specific IgE antibodies against drone larvae components.
  • Allergy was confirmed through specific immunological testing, ruling out cross-reactivity with other bee products.

Implications:

  • The findings highlight the potential allergenicity of drone larvae, necessitating caution in their consumption.
  • Awareness of drone larvae allergy is crucial for beekeepers and consumers exploring entomophagy.
  • Further research is warranted to characterize drone larvae allergens and assess the prevalence of this allergy.