Evidence map›Paper›PMID 42904868›Full record

ArticleMolecular genetics & genomic medicine2026

Analysis of Whole Exome Sequencing Results of Type 2 Diabetic Pedigree.

Jie Chen, Jia-Li Li, He-Jia Yin, Wei-Chang Guo, Hui-Fang Li

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Article in Molecular genetics & genomic medicine, 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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5 authors.

Jie ChenThe First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.ORCID https://orcid.org/0000-0002-3378-7415
Jia-Li LiYunnan University, Kunming, Yunnan, China.ORCID https://orcid.org/0009-0005-1190-6646
He-Jia YinThe First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
Wei-Chang GuoKunming Medical University, Kunming, Yunnan, China.
Hui-Fang LiThe First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.ORCID https://orcid.org/0009-0009-1954-2129

Funding

"Famous Doctor" Special Program of Yunnan Xingdian Talent Support Plan RLMY20220009Key Project of Yunnan Provincial Clinical Medical Center for Endocrine and Metabolic Diseases 2024YNLCYXZX0073National Natural Science Foundation of China 30760087Young and Middle-aged Academic and Technical Leaders Reserve Talents Project of Yunnan Province 202105AC160093
6 · The paper itself

Abstract

backgroundType 2 diabetes mellitus (T2DM) exhibits strong familial aggregation. This study aimed to identify potential pathogenic genes and mutation sites in a Chinese pedigree with a high prevalence of T2DM.

methodsA multigenerational family with 20 members, including 5 diagnosed with T2DM, was enrolled. The proband was a second-generation female with a 10-year disease history. Peripheral blood was collected, genomic DNA was extracted from blood cells, and whole exome sequencing was performed. Bioinformatic analysis, including KEGG pathway mapping, was used to screen candidate pathogenic variants.

resultsSequencing revealed 485 DNA variants, which were filtered to 16 high-priority mutations (15 SNPs and 1 Indel). Through literature review and functional pathway analysis, two heterozygous mutations-EPHX3 rs760409070 [c.778G>A, p.Glu260Lys] and FHOD1 rs142023201 [c.1493A>G, p.Asn498Ser]-were identified as candidate pathogenic variants. These two mutations were consistently present in all affected family members.

conclusionThe EPHX3 rs760409070 and FHOD1 rs142023201 mutations are likely contributing genetic factors to T2DM in this pedigree. Based on bioinformatic analysis, we hypothesize that these mutations may promote diabetes pathogenesis by reducing peripheral insulin sensitivity, impairing glucose uptake, suppressing glycogen synthesis, and enhancing gluconeogenesis.

Indexed as

Diabetes Mellitus, Type 2AdultAgedExome SequencingFemaleHumansMaleMiddle AgedMutationPedigreePolymorphism, Single NucleotideEPHX3FHOD1gene mutationgenomic exon sequencingtype 2 diabetes mellitus

Identifiers

PMID42904868
PMCPMC13685523

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