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Related Concept Videos

Internal Energy02:00

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The total of all possible kinds of energy present in a substance is called the internal energy (U), sometimes symbolized as E. Suppose a system with initial internal energy, Uinitial, undergoes a change in energy (transfer of work or heat), and the final internal energy of the system is Ufinal. Change in internal energy equals the difference between Ufinal and Uinitial.
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The internal energy of a thermodynamic system is the sum of the kinetic and potential energies of all the molecules or entities in the system. The kinetic energy of an individual molecule includes contributions due to its rotation and vibration, as well as its translational energy. The potential energy is associated only with the interactions between one molecule and the other molecules of the system. Neither the system's location nor its motion is of any consequence as far as the internal...
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The International System of Units, known as the SI system, is a universally accepted measurement system recognized and used worldwide. The SI system is based on a set of three base units considered absolute, and their values do not change with location. These base units are meters, kilograms, and seconds.
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Related Experiment Video

Updated: Feb 15, 2026

Detection of True IgE-expressing Mouse B Lineage Cells
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Detection of True IgE-expressing Mouse B Lineage Cells

Published on: December 1, 2014

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[Hyper-IgE in internal medicine].

H Devilliers1, A Turcu1, N Vernier1

  • 1Service de médecine interne et maladies systémiques, CHU François-Mitterrand, 14, rue Paul-Gaffarel, BP 77908, 21079 Dijon cedex, France.

La Revue De Medecine Interne
|February 5, 2018
PubMed
Summary
This summary is machine-generated.

Elevated immunoglobulin E (IgE) levels can indicate various conditions, including allergies, genetic disorders, infections, tumors, and autoimmune diseases. Understanding these diverse causes is crucial for internists to assess patient prognosis.

Keywords:
AllergieAllergyBalance cytokines Th1-Th2IgEJob-Buckley syndromeSyndrome de Job-BuckleyTh1-Th2 Cytokine Balance

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Area of Science:

  • Immunology
  • Clinical Medicine

Background:

  • Immunoglobulin E (IgE) is primarily linked to allergic reactions.
  • Elevated total IgE levels are observed in diverse pathological states.
  • Hyper-IgE syndromes are rare genetic immune deficiencies associated with high IgE.

Purpose of the Study:

  • To explore the varied clinical contexts associated with elevated total IgE.
  • To discuss the prognostic implications of increased serum IgE levels for internists.

Main Methods:

  • Literature review of conditions associated with hyper-IgE.
  • Analysis of the role of IgE in different diseases.

Main Results:

  • Elevated IgE is associated with allergic manifestations.
  • Increased IgE levels are found in hyper-IgE syndromes, infectious diseases, tumors, and autoimmune conditions.
  • The diverse origins of hyper-IgE highlight the complexity of its interpretation.

Conclusions:

  • High total IgE levels are not specific to allergies and can be indicative of a wide range of serious underlying conditions.
  • A comprehensive understanding of these diverse associations is essential for accurate prognostic assessment in internal medicine.