Evidence map›Paper›PMID 41649749›Full record

ArticleJournal of endocrinological investigation2026

Evaluation of rare NR1D2 variants in MODY-X: clinical, genetic, and in silico insights.

Cagatay Aydogan, Deniz Kanca-Demirci, Nurdan Gul, Sukran Poyrazoglu, Bengu Tokat, Ummu Mutlu, Oguz Ozturk, Hulya Yilmaz-Aydogan, Ilhan Satman

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Article in Journal of endocrinological investigation, 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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1 · What the graph read from it

What it found

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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

9 authors.

Cagatay AydoganDepartment of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.ORCID http://orcid.org/0000-0001-7520-070X
Deniz Kanca-DemirciDepartment of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.ORCID http://orcid.org/0000-0003-2728-7323
Nurdan GulIstanbul Faculty of Medicine, Division of Endocrinology and Metabolism, Department of Internal Medicine, Istanbul University, Istanbul, Turkey.ORCID http://orcid.org/0000-0002-1187-944X
Sukran PoyrazogluPediatric Endocrinology Unit, Department of Pediatrics, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey.ORCID http://orcid.org/0000-0001-6806-9678
Bengu TokatDepartment of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, USA.ORCID http://orcid.org/0000-0001-7925-6364
Ummu MutluIstanbul Faculty of Medicine, Division of Endocrinology and Metabolism, Department of Internal Medicine, Istanbul University, Istanbul, Turkey.ORCID http://orcid.org/0000-0002-5259-7326
Oguz OzturkDepartment of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.ORCID http://orcid.org/0000-0002-2439-9269
Hulya Yilmaz-AydoganDepartment of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.ORCID http://orcid.org/0000-0002-8837-6664
Ilhan SatmanIstanbul Faculty of Medicine, Division of Endocrinology and Metabolism, Department of Internal Medicine, Istanbul University, Istanbul, Turkey. satman@istanbul.edu.tr.ORCID http://orcid.org/0000-0001-8613-1797

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe objective of this study was to investigate the protein-coding regions of the NR1D2 gene in patients clinically diagnosed with maturity-onset diabetes of the young (MODY), including those without pathogenic variants in known MODY genes (MODY-X), and to characterize the potential functional relevance of detected variants.

methodsThe variants present in the exons and adjacent intronic regions of the NR1D2 gene in patients with MODY were subjected to comparative analysis with those observed in healthy individuals and patients with type 2 diabetes mellitus. The maximum credible allele frequency was set to be 0.0001. The potential impact of rare variants was evaluated using variety in silico prediction tools, including PolyPhen-2, SIFT, MutationTaster2025, FATHMM-XF, REVEL, CADD, and DynaMut2.

resultsTwo extremely rare NR1D2 missense variants were identified in three MODY-X patients: p.I148V (rs148928938) in exon 4 and p.R286W (rs768518229) in exon 5, with allele frequencies of 74 per million and 3 per million in gnomAD, respectively. In silico predictions indicated a more consistent deleterious profile for p.I148V, whereas p.R286W demonstrated heterogeneous and predominantly benign or borderline predictions. The clinical manifestations exhibited by the carriers were found to be variable, which is consistent with the metabolic heterogeneity that is characteristic of MODY.

conclusionThe findings suggest that these variants may function as metabolic modifiers contributing to phenotypic variability in MODY-X. Prospective family-based studies and functional assays are needed to clarify their biological significance.

Indexed as

Diabetes Mellitus, Type 2Mutation, MissenseAdultComputer SimulationFemaleGene FrequencyGenetic Predisposition to DiseaseHumansMaleCircadian rhythmDiabetesMODYNR1D2

Identifiers

PMID41649749
PMCPMC13219095

What Socratic holds

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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 Socratic graph.