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Topic Review
HMGB1 in Cutaneous Melanoma
High-mobility Group Box 1 (HMGB1) is a nuclear protein that plays a key role in acute and chronic inflammation. HMGB1 is closely associated with cell survival and proliferation and may be directly involved in tumor cell metastasis development thanks to its ability to promote cell migration. HMGB1 is closely associated with cell survival and proliferation and may be directly involved in tumor cell metastasis development thanks to its ability to promote cell migration. 
  • 418
  • 24 Aug 2022
Topic Review
Vitiligo and Mental Health
Vitiligo is a dermatosis consisting of the appearance of white discoloration patches of the skin, with a prominent pathogenetic factor represented by autoimmunity. Segmental and non-segmental are the two main forms of vitiligo, which may be recognized depending on the onset and localization: the first one is the most common and affects people with autoimmune-prone habits, whereas the non-segmental vitiligo is characterized by symmetrical white macules/patches spread over the skin surface; when untreated it is usually progressive. Macules may appear close to the mucosae (mouth, orbits, genitals, anus) and flexural areas (wrists, axillae and so on) and although they do not immediately affect physical health, they represent not only a cosmetic concern but also a risk for non-melanoma skin cancer (NMSC) development, because of the reduction of sun protection due to the lack of melanin. Different factors have been outlined as possible triggers in the development of the typical lesions, such as the tendency to develop other autoimmune diseases like Hashimoto’s thyroiditis, Addison’s disease, or alopecia areata as well as oxidative stress, trauma, sunlight exposure, and genetic factors.
  • 418
  • 29 Jan 2023
Topic Review
Palmoplantar Pustulosis
Palmoplantar pustulosis (PPP) is a disease that causes recurrent blisters and aseptic pustules on the palms and soles. It has been suggested that both innate and acquired immunity are involved. In particular, based on the tonsils and basic experiments, it has been assumed that T and B cells are involved in its pathogenesis. In addition, the results of clinical trials have suggested that IL-23 is closely related to the pathogenesis.
  • 417
  • 04 Aug 2022
Topic Review
NRF2 and Key Transcriptional Targets
Melanocytes are dendritic, pigment-producing cells located in the skin and are responsible for its protection against the deleterious effects of solar ultraviolet radiation (UVR), which include DNA damage and elevated reactive oxygen species (ROS). They do so by synthesizing photoprotective melanin pigments and distributing them to adjacent skin cells (e.g., keratinocytes). However, melanocytes encounter a large burden of oxidative stress during this process, due to both exogenous and endogenous sources.To protect themselves, they utilize numerous antioxidant systems to reduce the amount of reactive oxygen and nitrogen species present in the cell and this activity then contributes towards the prevention of cancer formation. However, after the formation of melanoma these same antioxidant systems are often coopted by the cancer in order to promote its uncontrolled growth and metastasis.
  • 415
  • 06 Apr 2022
Topic Review
Paraneoplastic Syndromes in Patients with Keratinocyte Skin Cancer
A variety of well-characterized cutaneous paraneoplastic syndromes (PNS) are diagnosed during internal malignancies; however, the spectrum of keratinocyte skin neoplasms (KSC) related to PNS is still obscure. Aim of the present research synthesis was to provide a typology of the spectrum of these PNS based on a focused literature search.
  • 410
  • 12 Jan 2022
Topic Review
Mast Cells in Selected Skin Diseases
Under physiological conditions, skin mast cells play an important role as guardians that quickly react to stimuli that disturb homeostasis. These cells efficiently support, fight infection, and heal the injured tissue. The substances secreted by mast cells allow for communication inside the body, including the immune, nervous, and blood systems. Pathologically non-cancerous mast cells participate in allergic processes but also may promote the development of autoinflammatory or neoplastic disease. 
  • 409
  • 05 May 2023
Topic Review
Properties and Acne Treatment of Tea Tree Oil
Tea tree oil is an essential oil extracted from Melaleuca alternifolia (Maiden & Betch) Cheel with known antibacterial, anti-inflammatory, and antioxidant properties and widely used in cosmetic products to treat acne vulgaris. 
  • 409
  • 06 Jul 2023
Topic Review
Ichthyoses
Ichthyoses comprise a broad spectrum of keratinization disorders due to hereditary defects of cornification. Until now, mutations in more than 50 genes, mostly coding for structural proteins involved in epidermal barrier formation, have been identified as causes for different types of these keratinization disorders. However, due to the high heterogeneity and difficulties in the establishment of valid experimental models, research in this field remains challenging and translation of novel findings to clinical practice is difficult.
  • 406
  • 23 Mar 2021
Topic Review
The Transient Receptor Potential (TRP) Channels and Itch
Itch (pruritus) is a sensation in the skin that provokes the desire to scratch. The sensation of itch is mediated through a subclass of primary afferent sensory neurons, termed pruriceptors, which express molecular receptors that are activated by itch-evoking ligands. Also expressed in pruriceptors are several types of Transient Receptor Potential (TRP) channels. TRP channels are a diverse class of cation channels that are responsive to various somatosensory stimuli like touch, pain, itch, and temperature. In pruriceptors, TRP channels can be activated through intracellular signaling cascades initiated by pruritogen receptors and underly neuronal activation.
  • 405
  • 19 Jan 2024
Topic Review
Primary Localized Cutaneous Nodular Amyloidosis and Sjögren’s Syndrome
Primary localized cutaneous nodular amyloidosis (PLCNA) is a rare condition attributed to plasma cell proliferation and the deposition of immunoglobulin light chains in the skin without association with systemic amyloidosis or hematological dyscrasias. It is not uncommon for patients diagnosed with PLCNA to also suffer from other auto-immune connective tissue diseases, with Sjögren’s syndrome (SjS) showing the strongest association. 
  • 401
  • 06 May 2023
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