Evidence map›Paper›PMID 39400946›Full record

ArticleClinical genetics2025

Exome Sequencing of Consanguineous Pashtun Families With Familial Epilepsy Reveals Causative and Candidate Variants in TSEN54, MOCS2, and OPHN1.

Afrasiab Khan, Anees Muhammad, Hidayat Ullah, Hina Ambreen, Abeed Ullah, Patrick May, Holger Lerche, Tobias B Haack, Shoaib Ur Rehman, Josua Kegele

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Article in Clinical genetics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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2citing papers in PubMed
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3 · Its place in the literature

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2 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Afrasiab KhanDepartment of Biotechnology, University of Science and Technology Bannu, Bannu, Pakistan.
Anees MuhammadDepartment of Molecular Biology & Genetics, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan.
Hidayat UllahDepartment of Biotechnology, University of Science and Technology Bannu, Bannu, Pakistan.
Hina AmbreenDepartment of Biotechnology, University of Science and Technology Bannu, Bannu, Pakistan.
Abeed UllahDepartment of Biotechnology, University of Science and Technology Bannu, Bannu, Pakistan.
Patrick MayLuxembourg Centre for Systems Biomedicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg.ORCID 0000-0001-8698-3770
Holger LercheDepartment of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, University of Tuebingen, Tuebingen, Germany.
Tobias B HaackInstitute of Medical Genetics and Applied Genomics, University of Tuebingen, Tuebingen, Germany.
Shoaib Ur RehmanDepartment of Biotechnology, University of Science and Technology Bannu, Bannu, Pakistan.
Josua KegeleDepartment of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, University of Tuebingen, Tuebingen, Germany.

Funding

Eberhard Karls Universität Tübingen
6 · The paper itself

Abstract

Next-generation sequencing is advancing in low- and middle-income countries, but accessibility remains limited. In Pakistan, many members of the Pashtun population practice familial marriage and maintain distinct socio-cultural traditions, isolating them from other ethnic groups. As a result, they may harbor genetic variants that could unveil new gene-disease associations. To investigate the genetic basis of epilepsy in the Pashtun community we recently established a collaboration between Bannu University and the University of Tuebingen. Here we report our first results of exome sequencing of four families with presumed monogenetic epilepsy and Mendelian inheritance pattern. In Family #201, we identified distinct disease-causing variants. One had a homozygous pathogenic missense variant in TSEN54 (c.919G > T, p.(Ala307Ser)), linked to Pontocerebellar Hypoplasia Type 2A. The second individual had a homozygous class IV missense variant in MOCS2 (c.226G > A, p.(Gly76Arg)) which is associated with Molybdenum cofactor deficiency. In family EP02, one affected individual carried a heterozygous class III variant in OPHN1 (c.1490G > A, p.(Arg497Gln)), related to syndromic X-linked intellectual disability with epilepsy. Our small study demonstrates the promise of next-generation sequencing in genetic epilepsies among the Pashtun population. Diagnostic next-generation sequencing should be established in Pakistan as soon as possible, and if not feasible, genetic research projects may pioneer this path.

Indexed as

ConsanguinityEpilepsyExome SequencingPedigreeAdultCytoskeletal ProteinsExomeFemaleGenetic Association StudiesGenetic Predisposition to DiseaseHigh-Throughput Nucleotide SequencingHomozygoteHumansMaleMutationMutation, MissenseCytoskeletal Proteinsepilepsy geneticsMOCS2molybdenum cofactor deficiency Bneonatal epilepsyOPHN1PakistanPashtunpontocerebellar hypoplasia type 2ATSEN54

Identifiers

PMID39400946
PMCPMC11608837

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