Evidence map›Paper›PMID 40172712›Full record

ArticleBiochemical genetics2026

Spectrum of Genetic Mutations Among Iranian Patients with Gangliosidosis.

Sheyda Khalilian, Mohadeseh Fathi, Mona Alizadeh, Fatemeh Larki Darabi, Shadab Salehpour, Saeed Anvari, Mohammad Miryounesi, Soudeh Ghafouri-Fard

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Article in Biochemical genetics, 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 · Who and what money

Authors and funding

8 authors.

Sheyda Khalilian *Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Mohadeseh Fathi *Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Mona AlizadehGenomic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Fatemeh Larki DarabiGenomic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Shadab SalehpourDepartment of Pediatric Endocrinology and Metabolism, School of Medicine, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Saeed AnvariDepartment of Pediatrics, Division of Pediatric Neurology, Milad Hospital, Social Security Organisation, Tehran, Iran.
Mohammad MiryounesiGenomic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran. miryounesi@gmail.com.
Soudeh Ghafouri-FardDepartment of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Ghafouri-Fards.ghafourifard@sbmu.ac.ir.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Gangliosidosis is a hereditary metabolic disorder inherited in an autosomal recessive manner. This disorder is marked by the accumulation of gangliosides in the central nervous system, leading to considerable and progressive neurological deficits. In the current study, we described the clinical findings and genetic variations observed in 12 patients manifesting symptoms of gangliosidosis disorders. The results of molecular investigations revealed the presence of different variants in the HEXA (three cases), HEXB (four cases) and GLB1 genes (five cases) in the patients. Notably, the c.833C > T (p.A278V) variant in the HEXB was detected in two unrelated cases. Four novel variants were also detected, including two likely pathogenic variants in the HEXB gene, namely c.1083-2del and c.1616_1622dup (p.Ile541Metfs*14). A single case had three variants in the GLB1 gene, including two novel variants (c.545C > T and c.631G > C); and a previously reported pathogenic variant (c.601C > T). The current study broadens the spectrum of genetic variations in Iranian patients with different types of gangliosidosis. This information is also important for the process of genetic counseling in the affected families.

Indexed as

beta-Hexosaminidase alpha Chainbeta-Hexosaminidase beta ChainGangliosidosesMutationAdolescentAdultbeta-GalactosidaseChildChild, PreschoolFemaleHumansInfantIranMalebeta-Galactosidasebeta-Hexosaminidase alpha Chainbeta-Hexosaminidase beta ChainGLB1 protein, humanHEXA protein, humanHEXB protein, humanGangliosidosisGLB1HEXAHEXBLysosomal storage disorder

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