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Inherited ichthyosis comprises a spectrum of genetic disorders related to over 50 pathogenic genes. However, there are limited data summarizing the clinical and molecular characteristics of Chinese patients. To broaden the knowledge of clinical and genetic characteristics of inherited ichthyosis and to optimize disease diagnosis and therapies, cases diagnosed with inherited ichthyosis in 1 tertiary centre from 2019 to 2023 were collected, excluding ichthyosis vulgaris and X-linked recessive ichthyosis, genomic sequencing was then performed, and clinical details of the patients were assessed. A total of 35 patients from Jiangsu and Anhui provinces of China were enrolled, 31 of whom were diagnosed with non-syndromic ichthyosis. Within this group, there were cases of autosomal recessive congenital ichthyosis (18/31), epidermolytic ichthyosis (9/31), and superficial epidermolytic ichthyosis (4/31). Additionally, 4 patients were diagnosed with syndromic ichthyosis, comprising 1 case of Chanarin-Dorfman syndrome and 3 cases of Netherton syndrome. The genetic analysis revealed a total of 47 variants across 13 genes, of which 19 were identified as novel variants. This study describes the clinical spectrum of rare inherited ichthyosis in the Jiangsu-Anhui region of China and further expands the genetic characteristics of the disease.
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http://dx.doi.org/10.2340/actadv.v105.41100 | DOI Listing |
Biomedicines
August 2025
Department of Dermatology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China.
: Bullous congenital ichthyosiform erythroderma (BCIE) is an inherited keratinization disorder caused by pathogenic variants in specific genes. Here, we report a pair of half-siblings with BCIE and tinea capitis due to () and then review the species of ichthyosis previously reported with infection. : We performed dermatological examination, fungal culture, and genetic analysis using whole-exome sequencing (WES) and blocker displacement amplification (BDA)-based Sanger sequencing.
View Article and Find Full Text PDFJAAD Int
October 2025
Department of Dermatology, Venereology and Dermatooncology, Semmelweis University, Budapest, Hungary.
Background: Inherited ichthyoses (iI) are a heterogeneous group of keratinization disorders, whose microbiome composition and the role of dysbiosis remain largely unexplored.
Objectives: Characterization of the skin microbiome profile in iI and exploration of the significance of dysbiosis based on the literature.
Methods: A systematic search was performed across MEDLINE, Embase, Cochrane Library, Web of Science, and Scopus on 23 September 2024.
Clin Genet
August 2025
Postgraduate Program in Internal Medicine, Federal University of Paraná (UFPR), Curitiba, Brazil.
The Mennonite population has a unique history of 500 years of genetic isolation shaped by at least three demographic bottlenecks, founder effects, inbreeding, epidemics, and migrations. To evaluate their susceptibility for monogenic diseases (MD), we performed whole-exome sequencing on 325 volunteers from two South Brazilian Mennonite settlements (one urban and another rural). We identified 23 pathogenic variants (P) and 27 likely P, with 22.
View Article and Find Full Text PDFInt J Mol Sci
July 2025
Department of Dermatology, Pediatric Dermatology and Oncology, Medical University of Lodz, 90-419 Lodz, Poland.
Gene therapy involves introducing genetic material into cells to treat or prevent disease and offers highly targeted and potentially curative approaches for both inherited and acquired conditions. The skin is an especially suitable organ for gene therapy due to its accessibility, ease of sampling, rapid cell turnover, and the possibility for localized treatment with minimal systemic exposure. Gene therapy is being actively explored across a range of dermatological conditions, including recessive dystrophic epidermolysis bullosa, ichthyosis, psoriasis, chronic wounds, and melanoma, with therapeutic strategies encompassing viral vectors, non-viral delivery systems, gene editing technologies, RNA-based treatments, and cell-based approaches.
View Article and Find Full Text PDFActa Derm Venereol
July 2025
Genetic Skin Disease Center, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu, China.
Inherited ichthyosis comprises a spectrum of genetic disorders related to over 50 pathogenic genes. However, there are limited data summarizing the clinical and molecular characteristics of Chinese patients. To broaden the knowledge of clinical and genetic characteristics of inherited ichthyosis and to optimize disease diagnosis and therapies, cases diagnosed with inherited ichthyosis in 1 tertiary centre from 2019 to 2023 were collected, excluding ichthyosis vulgaris and X-linked recessive ichthyosis, genomic sequencing was then performed, and clinical details of the patients were assessed.
View Article and Find Full Text PDF