Evidence map›Paper›PMID 42160220›Full record

ArticleHuman heredity2026

Comparative Profiles of Pediatric Mendeliome: A Single-Center 572-Whole-Exome Sequencing Study in Xinjiang.

Yan Li, Chen Cao, Yanfei Luo, Guanghui Sun, Reyilanmu Baoerhan, Dilihuma Julaiti, Junkang Li, Yiping Shen, Miriguli Maimaiti

Abstract readComparative Study
In one paragraph

Article in Human heredity, 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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4 · The record

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5 · Who and what money

Authors and funding

9 authors.

Yan LiDepartment of Pediatric, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.
Chen CaoChildren's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hospital, Beijing Children's Hospital, Urumqi, China.
Yanfei LuoDepartment of Pediatric, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.
Guanghui SunDepartment of Pediatric, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.
Reyilanmu BaoerhanDepartment of Pediatric, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.
Dilihuma JulaitiDepartment of Pediatric, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.
Junkang LiDepartment of Pediatric, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.
Yiping ShenDivision of Genetics and Genomics, Boston Children's Hospital, Boston, Massachusetts, USA.
Miriguli MaimaitiDepartment of Pediatric, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China, milikita17@aliyun.com.

Funding

HSRD VA I01 HX002024
6 · The paper itself

Abstract

introductionThe aim of the study was to compare the diagnostic yields and utility of whole-exome sequencing (WES) for Mendelian disorders in pediatric patients of different ethnic backgrounds in Xinjiang.

methodsA retrospective analysis of 572 pediatric patients suspected of Mendelian disorders, admitted to the Pediatric Center of the First Affiliated Hospital of Xinjiang Medical University from January 2016 to June 2020. WES was performed in accredited laboratories, and reports were verified by supervising physicians.

resultsThe overall diagnostic yield was 42.3%, with a higher yield in Uyghur than Han patients (46.5% vs. 36.2%). Inheritance pattern distributions differed by ethnicity: autosomal recessive findings were more frequent in Uyghur (60.8%) than Han (29.8%), whereas autosomal dominant (46.4%) and de novo variants (38.1%) comprised larger proportions in Han than in Uyghur (31.6% and 22.8%); X-linked findings were less common in both groups. Diagnostic yield varied by phenotype category (33.3%-73.1%), was generally higher in consanguineous than non-consanguineous cases, and increased with phenotypic complexity (16.7%, 54.1%, and 85.7% across increasing phenotype burden). Among patients with follow-up, WES results influenced medication management (61.0%), clinical/dietary management (89.2%), and subspecialist referral (36.9%).

conclusionExome testing shows higher diagnostic yield and clinical utility, especially for patients from consanguineous families in Xinjiang. Carrier screening could effectively prevent severe genetic disorders in the region, expanding the genotype and phenotype in the Chinese pediatric population.

Indexed as

Exome SequencingGenetic Diseases, InbornChildChild, PreschoolChinaConsanguinityEthnic and Racial MinoritiesFemaleHumansInfantMalePhenotypeRetrospective StudiesConsanguinityMendelian disordersPediatric patientWhole-exome sequencing

Identifiers

PMID42160220
PMCPMC13387733

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