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Liu P, Li Y, Wang W, Bai Y, Jia H, Yuan Z, Yang Z. Role and mechanisms of the NF-ĸB signaling pathway in various developmental processes. Biomed Pharmacother 2022; 153:113513. [DOI: 10.1016/j.biopha.2022.113513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/26/2022] [Accepted: 08/01/2022] [Indexed: 11/02/2022] Open
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Fortugno P, Monetta R, Belli M, Botti E, Angelucci F, Palmerini MG, Annarita NS, De Luca C, Ceccarini M, Salvatore M, Bianchi L, Macioce P, Teson M, Ricci F, Network IUD, Macchiarelli G, Didona B, Costanzo A, Castiglia D, Brancati F. RIPK4 regulates cell–cell adhesion in epidermal development and homeostasis. Hum Mol Genet 2022; 31:2535-2547. [DOI: 10.1093/hmg/ddac046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 02/01/2022] [Accepted: 02/22/2022] [Indexed: 11/14/2022] Open
Abstract
Abstract
Epidermal development and maintenance are finely regulated events requiring a strict balance between proliferation and differentiation. Alterations in these processes give rise to human disorders such as cancer or syndromes with skin and annexes defects, known as ectodermal dysplasias (EDs). Here, we studied the functional effects of two novel receptor-interacting protein kinase 4 (RIPK4) missense mutations identified in siblings with an autosomal recessive ED with cutaneous syndactyly, palmoplantar hyperkeratosis and orofacial synechiae. Clinical overlap with distinct EDs caused by mutations in transcription factors (i.e. p63 and interferon regulatory factor 6, IRF6) or nectin adhesion molecules was noticed. Impaired activity of the RIPK4 kinase resulted both in altered epithelial differentiation and defective cell adhesion. We showed that mutant RIPK4 resulted in loss of PVRL4/nectin-4 expression in patient epidermis and primary keratinocytes, and demonstrated that PVRL4 is transcriptionally regulated by IRF6, a RIPK4 phosphorylation target. In addition, defective RIPK4 altered desmosome morphology through modulation of plakophilin-1 and desmoplakin. In conclusion, this work implicates RIPK4 kinase function in the p63-IRF6 regulatory loop that controls the proliferation/differentiation switch and cell adhesion, with implications in ectodermal development and cancer.
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Affiliation(s)
- Paola Fortugno
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
- Human Functional Genomics, IRCCS San Raffaele Roma, 00163 Rome, Italy
| | - Rosanna Monetta
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | | | - Elisabetta Botti
- Dermatology Unit, Department of Systems Medicine, Tor Vergata University of Rome, 00133 Rome, Italy
| | - Francesco Angelucci
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Maria Grazia Palmerini
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Nottola Stefania Annarita
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Sapienza University, 00185 Rome, Italy
| | - Chiara De Luca
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Marina Ceccarini
- National Center Rare Diseases, Undiagnosed Rare Diseases Interdepartmental Unit, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy
| | - Marco Salvatore
- National Center Rare Diseases, Undiagnosed Rare Diseases Interdepartmental Unit, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy
| | - Luca Bianchi
- Dermatology Unit, Department of Systems Medicine, Tor Vergata University of Rome, 00133 Rome, Italy
| | - Pompeo Macioce
- Department of Neurosciences & Undiagnosed Rare Diseases Interdepartmental Unit, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy
| | - Massimo Teson
- Laboratory of Molecular and Cell Biology, Istituto Dermopatico dell’Immacolata, IDI-IRCCS, 00167 Rome, Italy
| | - Francesco Ricci
- Department of Dermatology, Istituto Dermopatico dell’Immacolata, IDI-IRCCS, 00167 Rome, Italy
| | | | - Guido Macchiarelli
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Biagio Didona
- Rare Skin Disease Center, Istituto Dermopatico dell’Immacolata, IDI-IRCCS, 00167 Rome, Italy
| | - Antonio Costanzo
- Department of Biomedical Sciences, Humanitas University, 20090 Pieve Emanuele, Milan, Italy
- Skin Pathology Laboratory, IRCCS Humanitas Research Hospital, 20089 Rozzano, Milan, Italy
| | - Daniele Castiglia
- Laboratory of Molecular and Cell Biology, Istituto Dermopatico dell’Immacolata, IDI-IRCCS, 00167 Rome, Italy
| | - Francesco Brancati
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
- Human Functional Genomics, IRCCS San Raffaele Roma, 00163 Rome, Italy
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