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Related Concept Videos

Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Asthma I: Introduction01:28

Asthma I: Introduction

Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
Allergic Reactions02:06

Allergic Reactions

Overview
Acne Infection01:27

Acne Infection

Acne is a multifactorial skin condition primarily affecting adolescents and young adults, with a global prevalence estimated to exceed 75% in this demographic. The condition is characterized by the formation of comedones (blackheads and whiteheads), papules, pustules, nodules, and, in severe cases, cysts, particularly in areas rich in sebaceous glands such as the face, neck, chest, and back. The pathogenesis involves increased sebum production, follicular hyperkeratinization, colonization by...

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Related Experiment Video

Updated: Jun 13, 2026

Effects of Exposure of Formaldehyde to a Rat Model of Atopic Dermatitis Induced by Neonatal Capsaicin Treatment
06:47

Effects of Exposure of Formaldehyde to a Rat Model of Atopic Dermatitis Induced by Neonatal Capsaicin Treatment

Published on: September 27, 2017

[Pathogenesis of atopic dermatitis].

Caroline Lang1, Magdalini Kypriotou, Stéphanie Christen-Zaech

  • 1Service de dermatologie et de vénéréologie, Hôpital de Beaumont, Avenue de Beaumont 29 CHUV, 1011 Lausanne.

Revue Medicale Suisse
|May 12, 2010
PubMed
Summary
This summary is machine-generated.

Atopic dermatitis (AD) involves skin barrier issues, immune system problems, and environmental triggers. New research on gene mutations and the cytokine TSLP advances understanding of this common skin condition.

Related Experiment Videos

Last Updated: Jun 13, 2026

Effects of Exposure of Formaldehyde to a Rat Model of Atopic Dermatitis Induced by Neonatal Capsaicin Treatment
06:47

Effects of Exposure of Formaldehyde to a Rat Model of Atopic Dermatitis Induced by Neonatal Capsaicin Treatment

Published on: September 27, 2017

Area of Science:

  • Dermatology
  • Immunology
  • Genetics

Background:

  • Atopic dermatitis (AD) is a prevalent skin condition with complex, incompletely understood causes.
  • It arises from interactions between skin barrier defects, immune system dysregulation, and environmental influences.

Purpose of the Study:

  • To explore recent advancements in understanding the pathogenesis of atopic dermatitis.
  • To highlight the role of genetic factors and newly discovered cytokines in AD development.

Main Methods:

  • Review of recent genetic studies identifying mutations in skin protein-coding genes.
  • Analysis of research on the cytokine Thymic Stromal Lymphopoietin (TSLP) and its role in allergic inflammation.

Main Results:

  • Identification of novel gene mutations contributing to AD.
  • Discovery of TSLP's significant role in allergic inflammation, offering new insights into AD pathogenesis.

Conclusions:

  • While significant progress has been made, particularly with the discovery of TSLP, many factors in atopic dermatitis remain under investigation.
  • Ongoing research is crucial for a comprehensive understanding and effective management of AD.