Dermatology: Understanding of the Pathophysiology and Therapeutic Implications

A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Physiology and Pathology".

Deadline for manuscript submissions: closed (20 October 2023) | Viewed by 8365

Special Issue Editors


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Guest Editor
Department of Dermatology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, Craiova, Romania
Interests: immune and allergic skin disorders; infectious diseases; tumors biologic therapy; pathophysiology

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Guest Editor
Department of Physiology, “Iuliu Hatieganu” University of Medicine and Pharmacy, Cluj-Napoca, Romania
Interests: cellular immunity; cytokines; monoclonal antibodies; microbiota; biologic therapy; immune disorders

Special Issue Information

Dear Colleagues,

Dermatology has seen significant progress lately regarding the knowledge of the main pathophysiological mechanisms of some chronic diseases, of high-performance imaging explorations such as dermoscopy, confocal microscopy or optical coherence tomography, especially for skin tumors, but also a more precise therapeutic approach of certain disorders (psoriasis, atopic dermatitis, vitiligo, hidradenitis suppurativa, chronic urticaria, etc.). 

Thus, understanding pathogenic mechanisms of some frequent immune diseases has brought to attention the involvement of innate and acquired immunity and their products, chemokines and pro- and anti-inflammatory cytokines. These have enabled new therapeutic approaches with emphasis on biological therapy. However, there are still many unknown facts regarding the main pathophysiological process of these conditions which causes limitation of the treatment approach, especially in psoriasis and atopic dermatitis. Although psoriasis is a disease in which cellular immunity predominates, scientific research has shown that therapy with monoclonal antibodies or fusion proteins can lead to clearance of lesions. Although in psoriasis there are lymphocytes responsible for stimulating keratinocytes, no one has yet asked the question, why don't we use a cell biological therapy and not a humoral one? Why don't we destroy the lymphocytes responsible for the pathophysiology of psoriasis, but just reduce the effectors (cytokines and chemokines) of these cells. One explanation would be the current scientific limitation, which does not yet allow the distribution of large cellular structures (lymphocytes) to the blood or skin (although these lymphocytes have specific surface markers by which they can be identified, as can pathogenic cells). Scientific research has made major progress, but we still fail to destroy the pro-inflammatory cytokine and chemokine producing cells in psoriasis.

On the other hand, advances in dermatology aim to introduce more sensitive "in vivo '' diagnostic methods in order to provide results as similar as possible to "in vitro" methods. 

In this context, the Special Issue entitled "Dermatology: Understanding of the Pathophysiology and Therapeutic Implications'' focuses on publishing high scientific value papers targeting both common and rare diseases, with or without genetic predisposition, but difficult to diagnose. Also, modern non-invasive methods of diagnosis and treatment will play an important part. These can be presented as original articles, review articles etc., authors' experience adding value to clinical and basic research in dermatology.

We look forward to receiving your articles.

Prof. Dr. Simona Laura Ianoși
Prof. Dr. Remus Orasan
Guest Editors

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Keywords

  • cellular immunity
  • cytokines
  • immune cells
  • monoclonal antibodies
  • psoriasis
  • atopic dermatitis
  • acne
  • chronic venous insufficiency
  • skin immune disorders
  • biological treatment
  • infectious diseases
  • allergic skin disease
  • skin tumors

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Published Papers (2 papers)

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Review

38 pages, 3729 KiB  
Review
Platelet-Rich Plasma in Dermatology: New Insights on the Cellular Mechanism of Skin Repair and Regeneration
by Catalin G. Manole, Cristina Soare, Laura Cristina Ceafalan and Vlad M. Voiculescu
Life 2024, 14(1), 40; https://doi.org/10.3390/life14010040 - 25 Dec 2023
Cited by 6 | Viewed by 3770
Abstract
The skin’s recognised functions may undergo physiological alterations due to ageing, manifesting as varying degrees of facial wrinkles, diminished tautness, density, and volume. Additionally, these functions can be disrupted (patho)physiologically through various physical and chemical injuries, including surgical trauma, accidents, or chronic conditions [...] Read more.
The skin’s recognised functions may undergo physiological alterations due to ageing, manifesting as varying degrees of facial wrinkles, diminished tautness, density, and volume. Additionally, these functions can be disrupted (patho)physiologically through various physical and chemical injuries, including surgical trauma, accidents, or chronic conditions like ulcers associated with diabetes mellitus, venous insufficiency, or obesity. Advancements in therapeutic interventions that boost the skin’s innate regenerative abilities could significantly enhance patient care protocols. The application of Platelet-Rich Plasma (PRP) is widely recognized for its aesthetic and functional benefits to the skin. Yet, the endorsement of PRP’s advantages often borders on the dogmatic, with its efficacy commonly ascribed solely to the activation of fibroblasts by the factors contained within platelet granules. PRP therapy is a cornerstone of regenerative medicine which involves the autologous delivery of conditioned plasma enriched by platelets. This is achieved by centrifugation, removing erythrocytes while retaining platelets and their granules. Despite its widespread use, the precise sequences of cellular activation, the specific cellular players, and the molecular machinery that drive PRP-facilitated healing are still enigmatic. There is still a paucity of definitive and robust studies elucidating these mechanisms. In recent years, telocytes (TCs)—a unique dermal cell population—have shown promising potential for tissue regeneration in various organs, including the dermis. TCs’ participation in neo-angiogenesis, akin to that attributed to PRP, and their role in tissue remodelling and repair processes within the interstitia of several organs (including the dermis), offer intriguing insights. Their potential to contribute to, or possibly orchestrate, the skin regeneration process following PRP treatment has elicited considerable interest. Therefore, pursuing a comprehensive understanding of the cellular and molecular mechanisms at work, particularly those involving TCs, their temporal involvement in structural recovery following injury, and the interconnected biological events in skin wound healing and regeneration represents a compelling field of study. Full article
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16 pages, 979 KiB  
Review
Hidradenitis Suppurativa: An Interdisciplinary Problem in Dermatology, Gynecology, and Surgery—Pathogenesis, Comorbidities, and Current Treatments
by Agnieszka Nowak-Liduk, Diana Kitala, Gabriela Ochała-Gierek, Wojciech Łabuś, Beata Bergler-Czop, Kornelia Pietrauszka, Paweł Niemiec, Karol Szyluk and Marcin Gierek
Life 2023, 13(9), 1895; https://doi.org/10.3390/life13091895 - 11 Sep 2023
Cited by 3 | Viewed by 3739
Abstract
Hidradenitis suppurativa (HS), also known as acne inversa, is a chronic inflammatory disease that manifests as painful nodules, abscesses, draining dermal tunnels, and scarring in intertriginous areas such as the axillae, groin, and breasts. The nature of the disease and its chronicity have [...] Read more.
Hidradenitis suppurativa (HS), also known as acne inversa, is a chronic inflammatory disease that manifests as painful nodules, abscesses, draining dermal tunnels, and scarring in intertriginous areas such as the axillae, groin, and breasts. The nature of the disease and its chronicity have a destructive impact on mental health and quality of life. HS has an estimated global prevalence of 0.00033–4.1% and it disproportionately affects females compared to males. HS involving the female anogenital regions is reported rarely in the gynecological literature, and it can often be mistaken for other vulvar diseases. The distinct phenotypes and HS rarity cause delayed diagnosis and the implementation of effective treatment. Acne inversa is associated with several comorbidities, including metabolic disease, diabetes mellitus, inflammatory bowel diseases, and spondyloarthropathies. Although HS etiology and pathogenesis remain unclear, studies have shown that lifestyle, immunological processes, genetics, and hormonal predispositions may promote follicular hyperkeratosis, dilatation, and rupture, leading to the development of chronic tissue inflammation. This article provides updated information on HS pathogenesis, comorbidities, and treatment methods. Furthermore, we share our experience in the surgical treatment of the disease, which often proves most effective, and highlight that an interdisciplinary management approach ensures optimal outcomes. Full article
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