Evidence map›Paper›PMID 41219488›Full record

ArticleEuropean journal of pediatrics2025

Comprehensive clinical and genetic characterization of Bardet-Biedl Syndrome: insights from the largest Turkish cohort.

Şenol Demir, Bilgen Bilge Geçkinli, Çekdar Kapazan, Ayberk Türkyılmaz, Didem Dizdar Yiğit, Özlem Şahin, Mehmet Eltan, Esra Arslan Ateş

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Article in European journal of pediatrics, 2025. 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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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Şenol DemirDepartment of Medical Genetics, School of Medicine, Marmara University, Istanbul, Türkiye. dr.senoldemir07@gmail.com.
Bilgen Bilge GeçkinliDepartment of Medical Genetics, School of Medicine, Marmara University, Istanbul, Türkiye.
Çekdar KapazanDepartment of Medical Genetics, School of Medicine, Marmara University, Istanbul, Türkiye.
Ayberk TürkyılmazDepartment of Medical Genetics, Faculty of Medicine, Karadeniz Technical University, Trabzon, Türkiye.
Didem Dizdar YiğitDepartment of Ophthalmology, School of Medicine, Marmara University, Istanbul, Türkiye.
Özlem ŞahinDepartment of Ophthalmology, School of Medicine, Marmara University, Istanbul, Türkiye.
Mehmet EltanDepartment of Pediatric Endocrinology, University of Health Sciences, Sancaktepe Sehit Prof. Dr. İlhan Varank Training and Research Hospital, Istanbul, Türkiye.
Esra Arslan AteşDepartment of Medical Genetics, School of Medicine, Marmara University, Istanbul, Türkiye. eaa.iuc@gmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bardet-Biedl Syndrome (BBS) is a rare, pleiotropic ciliopathy involving retinal dystrophy, polydactyly, obesity, and renal abnormalities. Despite growing knowledge of its genetic basis, data from populations with high rates of consanguinity remain limited. This study presents the largest genetically confirmed BBS cohort reported from Türkiye, consisting of 25 individuals who underwent clinical exome-based multigene panel testing. Biallelic pathogenic variants were identified in all patients, including three novel variants in the ARL6/BBS3, BBS9, and BBS10 genes, observed in four patients, including two siblings. Retinal dystrophy was the most common feature (94.1%), followed by polydactyly (88.0%), obesity (68.0%), and renal anomalies (52.0%). Genotype-phenotype comparisons highlighted notable variability, particularly among individuals with BBS1 and BBS10 pathogenic variants, consistent with prior international cohorts. This cohort underscores the clinical heterogeneity of BBS and reveals potential population-specific patterns shaped by consanguinity and genetic background. Our findings support the utility of multigene panels in clinical diagnosis and provide a basis for national registries and targeted care strategies for rare inherited diseases in underrepresented populations.

Indexed as

Bardet-Biedl SyndromeAdolescentADP-Ribosylation FactorsChaperoninsChildChild, PreschoolCohort StudiesConsanguinityCytoskeletal ProteinsFemaleHumansInfantMaleMutationPhenotypeTurkeyADP-Ribosylation FactorsARL6 protein, humanBBS10 protein, humanBBS9 protein, humanChaperoninsCytoskeletal ProteinsBardet–Biedl syndromeCiliopathyGenotype–phenotype correlationNext-generation sequencingTurkish cohort

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.