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Burek-Michalska A, Turno-Kręcicka A, Grant-Kels JM, Grzybowski A. Biologic therapies for psoriasis and eyes. Clin Dermatol 2023; 41:523-527. [PMID: 37586569 DOI: 10.1016/j.clindermatol.2023.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
Psoriasis is a systemic inflammatory disorder, manifested mainly by skin lesions, but the inflammation also may affect the joints and eye. Many comorbidities have been described in association with psoriasis, including metabolic syndrome and coronary plaques. The pathomechanism of psoriasis is multifaceted. Both genetic and immunologic aspects play a role in stimulating inflammation. Genetic susceptibility is conditioned by presence of the human leukocyte antigen-C*06:02 risk allele and the inflammatory reaction secondary to cytokines, such as tumor necrosis factor α, interleukin 17 (IL-17), IL-20, IL-23, and interferon alfa. Besides the conventional therapy of topical steroids and immunosuppressants, biologic therapies are widely used in the treatment of psoriasis, psoriatic arthritis, and coexisting uveitis. In the majority of cases, biologic therapy has a beneficial effect on uveitis, but in some cases, some of these drugs can lead to serious side effects threatening vision.
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Affiliation(s)
| | | | - Jane M Grant-Kels
- Department of Dermatology, University of Connecticut School of Medicine, Farmington, Connecticut, USA; Department of Dermatology, University of Florida College of Medicine, Gainesville, Florida, USA
| | - Andrzej Grzybowski
- Department of Ophthalmology, University of Warmia and Mazury, Olsztyn, Poland; Institute for Research in Ophthalmology, Poznań, Poland
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The Role of IL-17-Producing Cells in Cutaneous Fungal Infections. Int J Mol Sci 2021; 22:ijms22115794. [PMID: 34071562 PMCID: PMC8198319 DOI: 10.3390/ijms22115794] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 05/15/2021] [Accepted: 05/25/2021] [Indexed: 12/12/2022] Open
Abstract
The skin is the outermost layer of the body and is exposed to many environmental stimuli, which cause various inflammatory immune responses in the skin. Among them, fungi are common microorganisms that colonize the skin and cause cutaneous fungal diseases such as candidiasis and dermatophytosis. The skin exerts inflammatory responses to eliminate these fungi through the cooperation of skin-component immune cells. IL-17 producing cells are representative immune cells that play a vital role in anti-fungal action in the skin by producing antimicrobial peptides and facilitating neutrophil infiltration. However, the actual impact of IL-17-producing cells in cutaneous fungal infections remains unclear. In this review, we focused on the role of IL-17-producing cells in a series of cutaneous fungal infections, the characteristics of skin infectious fungi, and the recognition of cell components that drive cutaneous immune cells.
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Narla S, Azzam M, Townsend S, Vellaichamy G, Marzano AV, Alavi A, Lowes MA, Hamzavi IH. Identifying key components and therapeutic targets of the immune system in hidradenitis suppurativa with an emphasis on neutrophils. Br J Dermatol 2021; 184:1004-1013. [PMID: 32893875 DOI: 10.1111/bjd.19538] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 08/05/2020] [Accepted: 08/29/2020] [Indexed: 12/13/2022]
Abstract
Hidradenitis suppurativa (HS) is a chronic, inflammatory, recurrent and debilitating skin disease of the hair follicle unit that typically develops after puberty. The disorder is characterized by comedones, painful inflammatory nodules, abscesses, dermal tunnels and scarring, with a predilection for intertriginous areas of the body (axillae, inguinal and anogenital regions). Recruitment of neutrophils to HS lesion sites may play an essential role in the development of the painful inflammatory nodules and abscesses that characterize the disease. This is a review of the major mediators involved in the recruitment of neutrophils to sites of active inflammation, including bacterial components (endotoxins, exotoxins, capsule fragments, etc.), the complement pathway anaphylatoxins C3a and C5a, tumour necrosis factor-alpha, interleukin (IL)-17, IL-8 (CXCL8), IL-36, IL-1, lipocalin-2, leukotriene B4, platelet-activating factor, kallikreins, matrix metalloproteinases, and myeloperoxidase inhibitors. Pharmacological manipulation of the various pathways involved in the process of neutrophil recruitment and activation could allow for successful control and stabilization of HS lesions and the remission of active, severe flares.
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Affiliation(s)
- S Narla
- Department of Dermatology, Henry Ford Hospital, Detroit, MI, USA
| | - M Azzam
- University of Nevada School of Medicine, Reno, NV, USA
| | - S Townsend
- Wayne State School of Medicine, Detroit, MI, USA
| | | | - A V Marzano
- Dermatology Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Physiopathology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - A Alavi
- Division of Dermatology, Department of Medicine, Women's College Hospital, University of Toronto, Toronto, ON, Canada
| | - M A Lowes
- The Rockefeller University, New York, NY, USA
| | - I H Hamzavi
- Department of Dermatology, Henry Ford Hospital, Detroit, MI, USA
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Sánchez-Dueñas LE, Rojano-Fritz LK, García-Rodríguez JC. Generalized hypertrichosis associated with the use of interleukin 17 blockers in 2 patients with psoriasis. JAAD Case Rep 2020; 6:683-685. [PMID: 32637523 PMCID: PMC7327770 DOI: 10.1016/j.jdcr.2020.05.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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