ArticlePediatric research2026
Clinical and molecular landscape of skeletal ciliopathies across prenatal and pediatric cohorts with assessment of oxidative stress markers.
Article in Pediatric research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundSkeletal ciliopathies are a group of rare genetic disorders characterized by overlapping clinical features and a heterogeneous molecular etiology, posing diagnostic challenges in pediatric populations. This study aimed to assess the clinical, radiographic, and molecular features of patients with skeletal ciliopathies and to explore oxidative stress in this group.
methodsA total of 20 patients with suspected skeletal ciliopathy were enrolled, with evaluation of their clinical and radiographic features alongside whole exome sequencing to elucidate the molecular etiology. Oxidative stress parameters were measured and compared with those of a healthy control group.
resultsA molecular diagnosis was established in 16 of 20 patients (80%). Based on clinical and molecular data, six patients were diagnosed with Ellis-van Creveld syndrome, six with Oral-Facial-Digital syndrome, five with short-rib thoracic dysplasia, one with Meckel-Gruber syndrome, one with cranioectodermal dysplasia, and one with an undefined skeletal ciliopathy. The most frequently detected variants were in EVC, followed by DYNC2H1. Among the identified variants, nine novel variants were described. Among oxidative stress markers, nitrite/nitrate levels were significantly higher in ciliopathy patients, whereas malondialdehyde levels were higher in controls; no significant differences were observed in the other markers.
conclusionThis study broadens the clinical and genetic landscape of skeletal ciliopathies and highlights the value of genetic testing. IMPACT: In our study, we highlighted the presence of overlapping phenotypes among skeletal ciliopathy disorders and identified causal variants in genes previously associated with distinct ciliopathy phenotypes. By comparing the observed phenotypic severity with patients reported in the literature, we aimed to contribute to a better understanding of genotype-phenotype correlations. Additionally, we sought to draw attention to the clinical and radiographic features of skeletal ciliopathies, which are part of the spectrum of skeletal dysplasias encountered in pediatric practice. We also examined oxidative stress markers in patients with skeletal ciliopathies, providing preliminary evidence of alterations.
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