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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...
Desmosomes01:05

Desmosomes

The term desmosome derives from the Greek words "desmo" and "soma" meaning "adhesion bodies." This structure was first observed during the late 1800s and described as small, dense nodules in the epidermis. Desmosomes are button-like structures that help form an interlinked network of intermediate filaments across the cells. These junctions are  essential to hold cells together under mechanical stress and to maintain tissue integrity. Desmosomes are multi-protein complexes comprising desmosomal...
Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
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Disorders of Hemostasis01:24

Disorders of Hemostasis

Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
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Cells of the Epidermis01:24

Cells of the Epidermis

The epidermis is made of four or five layers of epithelial cells, depending on its location in the body. From deep to superficial, these layers are the stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.
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Granulocyte-dependent Autoantibody-induced Skin Blistering
12:23

Granulocyte-dependent Autoantibody-induced Skin Blistering

Published on: October 12, 2012

How do keratinizing disorders and blistering disorders overlap?

Takahiro Hamada1, Daisuke Tsuruta, Shunpei Fukuda

  • 1Department of Dermatology, Kurume University School of Medicine, Fukuoka, Japan.

Experimental Dermatology
|October 9, 2012
PubMed
Summary

Inherited skin conditions like keratinizing and blistering diseases share genetic roots. Mutations in adhesion molecules, calcium pumps, and keratins cause overlapping symptoms, linking these related disorders.

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Area of Science:

  • Dermatology
  • Genetics
  • Molecular Biology

Background:

  • Inherited keratinizing disorders stem from genetic mutations affecting epidermal proteins.
  • These disorders impact cell differentiation, proliferation, and adhesion.
  • A significant overlap exists between keratinizing and blistering skin diseases, suggesting shared genetic underpinnings.

Purpose of the Study:

  • To review and analyze the overlapping features of hereditary keratinizing and blistering skin disorders.
  • To explore the genetic basis and molecular mechanisms connecting these two disease groups.
  • To identify common protein defects responsible for combined keratinizing and blistering phenotypes.

Main Methods:

  • Literature review of inherited keratinizing and blistering diseases.
  • Analysis of gene mutations associated with specific dermatological conditions.
  • Categorization of disorders based on affected proteins (e.g., desmosomal, hemidesmosomal, calcium pumps, keratins).

Main Results:

  • Mutations in desmosomal and hemidesmosomal components, calcium pump proteins, and keratins are linked to diseases with both keratinizing and blistering features.
  • Specific examples include striate keratoderma, epidermolysis bullosa, Darier disease, and epidermolytic ichthyosis.
  • Adhesion molecules, calcium pump proteins, and keratins are frequently implicated, unlike connexins or cornified cell envelope proteins.

Conclusions:

  • Hereditary keratinizing and blistering diseases are closely related, often sharing genetic backgrounds and molecular pathways.
  • Understanding these overlaps is crucial for accurate diagnosis and potential therapeutic strategies.
  • Further research is needed to elucidate the precise mechanisms by which keratinizing disorders cause blistering and vice versa.