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Clinical Applications of Epidermal Stem Cells

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Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own...
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The skin is divided into epidermis, dermis, and hypodermis, the skin's outermost, middle, and inner layers. The human epidermal layer regularly undergoes renewal, where old, dead cells are replaced by new cells. Epidermal stem cells or EpiSCs divide and differentiate to restore the lost cells. For the renewal process, some EpiSCs continuously self-renew. In contrast, few others differentiate into transit-amplifying cells, which later form prickle or spinous cells, followed by granular...
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The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
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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.
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Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
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The integumentary system is the organ system that comprises the skin and its associated structures. It is the largest system in the human body and plays a crucial role in protecting and maintaining homeostasis. The integumentary system serves several functions including protection, regulation, sensation, and secretion.
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[Currently available skin substitutes].

Darina Oravcová, Ján Koller

    Casopis Lekaru Ceskych
    |February 11, 2014
    PubMed
    Summary

    The best burn wound care focuses on long-term healing and quality of life. Skin substitutes are crucial when autografts are limited, addressing donor site limitations and improving outcomes.

    Area of Science:

    • Regenerative Medicine
    • Wound Healing
    • Biomaterials

    Background:

    • Burn wound care increasingly emphasizes holistic, long-term outcomes and patient quality of life.
    • Autologous skin grafts are standard but limited by donor site availability and morbidity, especially in severe burns.
    • The need for alternatives has driven the development of various skin substitutes.

    Purpose of the Study:

    • To review currently available skin substitutes for burn wound management.
    • To categorize skin substitutes based on their material composition.
    • To provide an overview of options for acute burn injury and reconstructive surgery.

    Main Methods:

    • Literature review of skin substitutes from non-profit banks and commercial sources.
    • Classification of substitutes into biological, biosynthetic, and synthetic categories.

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  • Analysis of material composition and application relevance.

    • Main Results:

    • Skin substitutes offer alternatives to autografts, mitigating donor site issues.
    • Substitutes are categorized by material: biological, biosynthetic, and synthetic.
    • Both non-profit and commercial sources provide a range of skin substitute options.

    Conclusions:

    • Skin substitutes are essential in modern burn care, addressing limitations of autologous grafting.
    • The choice of skin substitute depends on material type and clinical application.
    • Continued innovation in skin substitutes is vital for improving burn patient outcomes.