Evidence map›Paper›PMID 39078259›Full record

ArticleMolecular genetics & genomic medicine2024

Novel compound heterozygous variants in MARVELD2 causing autosomal recessive hearing loss in two Chinese families.

Xinyu Shi, Xiaozhou Liu, Yanjun Zong, Zhengdong Zhao, Yu Sun

Abstract read
In one paragraph

Article in Molecular genetics & genomic medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

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5citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

Who cites it

5 citing papers in PubMed.

  1. Article
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  3. Novel compound heterozygous variants in thePediatric investigation · 2024
    Article
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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Xinyu ShiHubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China.
Xiaozhou LiuHubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China.
Yanjun ZongHubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China.
Zhengdong ZhaoHubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China.
Yu SunHubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China.ORCID https://orcid.org/0000-0002-1771-3715

Funding

Foundation for Innovative Research Groups of Hubei Province 2023AFA038National Key Research and Development Program of China 2021YFF0702303National Key Research and Development Program of China 2023YFE0203200National Natural Science Foundation of China 82071058
6 · The paper itself

Abstract

backgroundHereditary hearing loss is an important component of congenital hearing loss. MARVELD2 (OMIM ID:610572), located in the DFNB49 locus, which encodes a tight junction protein tricellulin playing an important role in the sensory epithelial barrier of the inner ear, may contribute to nonsyndromic autosomal recessive hereditary hearing loss.

methodsTwo Han Chinese pedigrees with hearing loss underwent clinical and genetic analyses. Variants were detected by targeted next-generation sequencing and sequencing data were compared with the Human Genome Reference (GRCh 37/hg 19) to identify mutant genes and loci. Furthermore, online tools such as RDDC, SpliceAI, and REVEL were used to predict risks from different variants.

resultsBoth two probands failed neonatal hearing screening and were diagnosed with sensorineural hearing loss. A total of 3 mutations were detected in the two families, c.1331+1G>A, c.1325A>G, and c.782G>A. According to ACMG/AMP guidelines, they were judged to be pathogenic, uncertain significance, and uncertain significance, respectively.

conclusionsThese findings contribute to a better understanding of the relationship between different variants of MARVELD2 and hearing. This could further expand the spectrum of deafness gene mutations and contribute to deafness patient management and genetic counseling.

Indexed as

HeterozygoteMARVEL Domain Containing 2 ProteinPedigreeAdultDeafnessEast Asian PeopleFemaleHearing Loss, SensorineuralHumansMaleMutationMARVELD2 protein, humanMARVEL Domain Containing 2 Proteinhearing lossMARVELD2targeted next‐generation sequencingtricellulin

Identifiers

PMID39078259
PMCPMC11287821

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