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Related Concept Videos

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...
Healing II: Complications01:24

Healing II: Complications

Complications during healing arise when tissue repair is altered by local or systemic factors. These changes involve abnormal collagen deposition, altered biomechanics, and reduced vascular supply, impairing restoration of normal structure and function.Loss of FunctionScar tissue differs significantly from the original tissue it replaces. In the skin, fibrosis lacks adnexal structures such as hair follicles, sebaceous glands, and sweat glands. Their absence reduces tactile sensitivity, impairs...
Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
Reticular Dermis01:15

Reticular Dermis

The papillary and reticular dermis are the two layers of the dermis. They are made of connective tissue with fibers of collagen extending from one to the other, making the border between the two somewhat indistinct. The dermal papillae extending into the epidermis belong to the papillary layer, whereas the dense collagen fiber bundles below belong to the reticular layer.
Reticular Layer
Underlying the papillary layer is the much thicker reticular layer, composed of dense, irregular connective...
Satellite Stem Cells and Muscular Dystrophy01:21

Satellite Stem Cells and Muscular Dystrophy

Satellite stem cells or myosatellite cells are quiescent stem cells that Alexander Mauro first identified in 1961. These cells are located between the sarcolemma, the plasma membrane of muscle fibers, and the basal lamina, the connective tissue sheath covering it. These mononucleated cells are activated in response to muscle injury, can transform into myoblasts, and may form or repair muscle fibers. Myosatellite cells can provide additional myonuclei for muscle regeneration or return to a...

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Related Experiment Video

Updated: Jul 15, 2026

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

Published on: June 16, 2020

Scleroderma -- news to tell.

Beate Eckes1, Nicolas Hunzelmann, Pia Moinzadeh

  • 1Department of Dermatology, University of Cologne, Kerpener Str 62, Cologne, Germany.

Archives of Dermatological Research
|April 25, 2007
PubMed
Summary

Scleroderma is a chronic fibrosing disease. Research using new animal models and pathway analysis improves understanding of the inflammatory and fibrotic mechanisms driving scleroderma.

Area of Science:

  • Fibrosis research
  • Immunology
  • Rheumatology

Background:

  • Scleroderma is a chronic fibrosing condition characterized by initial inflammation followed by fibrosis.
  • Understanding the molecular pathways is crucial for developing effective treatments.

Purpose of the Study:

  • To systematically analyze the pathways involved in scleroderma development.
  • To leverage insights from novel animal models to elucidate disease mechanisms.

Main Methods:

  • Systematic analysis of molecular pathways implicated in scleroderma.
  • Utilizing data from newly developed animal models of fibrotic diseases.

Main Results:

  • Identification of key pathways triggering and sustaining fibrotic responses in scleroderma.

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Vasodilation of Isolated Vessels and the Isolation of the Extracellular Matrix of Tight-skin Mice
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Vasodilation of Isolated Vessels and the Isolation of the Extracellular Matrix of Tight-skin Mice

Published on: March 24, 2017

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Last Updated: Jul 15, 2026

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
04:44

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

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Vasodilation of Isolated Vessels and the Isolation of the Extracellular Matrix of Tight-skin Mice
08:09

Vasodilation of Isolated Vessels and the Isolation of the Extracellular Matrix of Tight-skin Mice

Published on: March 24, 2017

  • Enhanced comprehension of the interplay between inflammation and fibrosis.

    • Conclusions:

    • Novel animal models and pathway analysis provide critical insights into scleroderma pathogenesis.
    • This understanding is foundational for future therapeutic strategies targeting fibrotic diseases.