Evidence map›Paper›PMID 41445001›Full record

ArticleHuman genomics2025

Whole-genome sequencing identifies HOXD13 variants in syndactyly pedigrees.

Yi-Feng Xu, Jing Zhang, Tian-Ying Wei, Man-Li Zhang, Jia-En Liu, Kai Yang, Ya-Ping Tian, Hua-Ying Hu

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Article in Human genomics, 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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5 · Who and what money

Authors and funding

8 authors.

Yi-Feng Xu *Beijing Jiaen Hospital, Heen Life Medical Research Institute, Beijing, China.
Jing Zhang *Prenatal Diagnosis Center, Shijiazhuang Obstetrics and Gynecology Hospital, Hebei Key Laboratory of Maternal and Fetal Medicine, Shijiazhuang, Hebei, China.
Tian-Ying Wei *Beijing Jiaen Hospital, Heen Life Medical Research Institute, Beijing, China.
Man-Li ZhangMedical Innovation Research Division of Chinese, PLA General Hospital, Beijing, 100853, China.
Jia-En LiuBeijing Jiaen Hospital, Heen Life Medical Research Institute, Beijing, China.
Kai YangPrenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China. yk19830919@ccmu.edu.cn.
Ya-Ping TianMedical Innovation Research Division of Chinese, PLA General Hospital, Beijing, 100853, China. tianyp@301hospital.com.cn.
Hua-Ying HuBeijing Jiaen Hospital, Heen Life Medical Research Institute, Beijing, China. huhuaying0207@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSyndactyly demonstrates high genetic heterogeneity, with many cases lacking molecular diagnosis despite known HOXD13 involvement, suggesting conventional methods may miss a sub-class of variants.

resultsIntegrated whole-exome sequencing (WES) and whole-genome sequencing (WGS) analyses identified three novel HOXD13 variants: one 2-bp heterozygous deletion c.314_315del, p.(Lys105ArgfsTer131), and two heterozygous polyalanine expansions (PAE): c.186_212dup, p.(Ala63_Ala71dup) and c.203_204insAGCAGCGGCGGCTGCGGCGGCGGC, p.(Ala64_Ala71dup). WGS successfully identified cryptic variants undetectable by WES technology.

conclusionsOur findings demonstrate the utility of WGS in identifying HOXD13 variants and support the genotype-phenotype correlation of polyalanine expansions in limb malformations, providing new insights for molecular diagnosis.

Indexed as

Homeodomain ProteinsSyndactylyTranscription FactorsWhole Genome SequencingExome SequencingFemaleGenetic Association StudiesHumansMalePedigreeHomeodomain ProteinsHOXD13 protein, humanTranscription FactorsHOXD13Polyalanine expansionSyndactylyWhole-genome sequencing

Identifiers

PMID41445001
PMCPMC12729253

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