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Related Concept Videos

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...
Accessory Structures of the Skin: Sebaceous Glands01:21

Accessory Structures of the Skin: Sebaceous Glands

A sebaceous gland is a type of oil gland found almost all over the skin ( except palms and soles) and helps lubricate and waterproof the skin and hair. Most sebaceous glands are associated with hair follicles. They generate and excrete sebum, a mixture of lipids, onto the skin surface, thereby naturally lubricating the dry and dead layer of keratinized cells of the stratum corneum, keeping it pliable.
These glands that produce the oils on the skin and hair are holocrine glands. The mature...
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...
Staphylococcal Skin Infections01:29

Staphylococcal Skin Infections

Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...
Candidiasis01:20

Candidiasis

Candidiasis is a fungal infection caused by opportunistic species of Candida. It can affect various anatomical sites, including the skin, oral cavity, nails, and genitourinary tract. Among its forms, vaginal candidiasis is the most common type of mucosal infection. It typically results from the overgrowth of Candida albicans in the vaginal mucosa. Under normal conditions, C. albicans exists as a commensal organism within the vaginal microbiota, regulated by the dominance of lactobacilli, which...
Accessory Structures of the Skin: Sweat Glands01:20

Accessory Structures of the Skin: Sweat Glands

Sweat glands or sudoriferous glands are one of the important accessory structures of the skin. They are small, coiled tubular structures located in the dermis, the middle layer of the skin. Sweat glands are responsible for producing and secreting sweat, a watery fluid that helps regulate body temperature and excrete waste products.
Sweat glands are classified as merocrine glands; that is, the secretions are excreted by exocytosis through a duct without affecting the cells of the gland. There...

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Related Experiment Video

Updated: May 29, 2026

A Rat Model of Compound Acne
03:10

A Rat Model of Compound Acne

Published on: November 1, 2024

Acne vulgaris.

Severin Läuchli1

  • 1Department of Dermatology, University Hospital, Zurich, Switzerland.

Current Problems in Dermatology
|August 26, 2011
PubMed
Summary
This summary is machine-generated.

Laser and light-based treatments offer an effective option for inflammatory acne vulgaris, particularly when conventional therapies are not well-tolerated. These optical devices target acne-causing bacteria and sebaceous glands, showing promising clinical results.

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Area of Science:

  • Dermatology
  • Medical Technology

Background:

  • Acne vulgaris is a common skin condition with multiple contributing factors.
  • Conventional treatments for acne vulgaris are not always well-tolerated by patients.

Purpose of the Study:

  • To review the efficacy of laser and light-based treatments for acne vulgaris.
  • To explore the mechanisms and clinical outcomes of optical devices in acne management.

Main Methods:

  • Review of existing literature on laser and light-based therapies for acne.
  • Analysis of treatment mechanisms targeting Propionibacterium acnes and sebaceous glands.
  • Evaluation of clinical results, including lesion reduction and acne severity.

Main Results:

  • Laser and light-based treatments demonstrate significant reduction in inflammatory acne lesions.
  • These therapies can target Propionibacterium acnes and reduce sebaceous gland activity.
  • Combination therapy with conventional treatments may improve outcomes, though relapses can occur.

Conclusions:

  • Optical devices are a valuable addition to treating inflammatory acne vulgaris, especially for patients intolerant to standard treatments.
  • While effective, treatment cost and variability in study designs present challenges.
  • Further research is needed to standardize protocols and compare efficacy definitively.