Evidence map›Paper›PMID 42376587›Full record

ArticleCase reports in immunology2026

A Novel MYO5A Mutation (c.3508C>T) in a 27-Month-Old Girl With Hypotonia and Developmental Delay: Expanding the Phenotypic Spectrum of Griscelli Syndrome Type 1.

Davoud AmirKashani, Soudabeh Hosseini, Marziyeh Mojbafan, Niusha Sharifinejad, Sima Bahrami

Abstract read
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Article in Case reports in immunology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers 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

Who cites it

1 citing paper in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Davoud AmirKashaniAliasghar Clinical Research Development Center, Department of Pediatrics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran, iums.ac.ir.ORCID https://orcid.org/0000-0002-0838-3005
Soudabeh HosseiniAliasghar Children Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran, iums.ac.ir.
Marziyeh MojbafanDepartment of Medical Genetics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran, iums.ac.ir.ORCID https://orcid.org/0000-0002-9630-3561
Niusha SharifinejadNon-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran, abzums.ac.ir.ORCID https://orcid.org/0000-0002-5675-1001
Sima BahramiDepartment of Allergy and Clinical Immunology, Aliasghar Children Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran, iums.ac.ir.ORCID https://orcid.org/0000-0002-5544-6961

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Griscelli syndrome (GS) is a rare autosomal recessive disorder, characterized by pigmentary dilution of hair and skin. There are three known types of this disease. GS type 1 (GS1), due to mutations in Case Presentation: We report a 27‑month‑old Afghan girl, born to consanguineous parents, presenting with developmental delay and hypotonia without the classic silvery hair. A complete evaluation was performed to determine the cause of the developmental delay. Whole exome sequencing revealed a novel homozygous MYO5A variant (c.3508C >T), confirming GS1. Despite the absence of the characteristic silvery hair, microscopic hair examination of the patient showed melanin distribution abnormalities. Conclusion: This case highlights the phenotypical variability in GS1 and emphasizes on the importance of considering genetic testing even in atypical presentations. Exploring these novel mutations can expand the known genotype/phenotype spectrum of GS1.

Indexed as

Elejalde syndromeGriscelli syndromeGriscelli syndrome type 1GSMYO5A

Identifiers

PMID42376587
PMCPMC13311309

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