Authors

Abeer Al-Sayegh

Publications 4

Research article Open access

Clinical Phenotypes Associated with NRXN1 Deletions in Five Children with Autism Spectrum Disorder in Oman

Samira Said AlHousni, Ahmed Idris, Watfa Al-Mamari et al. · Sultan Qaboos University Medical Journal · 2026 · 10.18295/2075-0528.3002

NRXN1 (2p16.3) is essential for synaptic function and has been implicated in autism spectrum disorder (ASD) and other neurodevelopmental disorders. However, the phenotypic features associated with NRXN1 copy number variants remains incompletely characterised, which complicates risk assessment in genetic counselling. Th …

Research article Open access

Clinical Predictors of Inherited Breast Cancer at a Comprehensive Cancer Centre in Oman: Is it time for universal germline genetic testing?

Reem Abdulrahim, Hasan Al-Sayegh, Sara Al-Kiyumi et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/2075-0528.2843

Objectives: This study aimed to explore the clinical, histopathological and demographic characteristics of female Omani breast cancer (BC) patients to identify possible predictors of a positive test result. Additionally, it aimed to evaluate the applicability of the National Comprehensive Cancer Network (NCCN) guidelin …

Research article Open access

Seizures as an Atypical Feature of Beal’s Syndrome

Nazreen BK Jaman, Abeer Al-Sayegh · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.2016.16.03.021

Congenital contractural arachnodactyly, commonly known as Beal’s syndrome, is an extremely rare genetic disorder caused by mutations in the fibrillin-2 (FBN2) gene located on chromosome 5q23. It is an autosomal dominant inherited connective tissue disorder characterised by a Marfan-like body habitus, contractures, abno …

Research article Open access

Consanguinity: The innocent culprit in autism severity

Watfa Al-Mamari, Ahmed B. Idris, Najat Jalees et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.10.2024.052

Objectives: This study aimed to investigate the relationship between consanguinity and the severity of autism spectrum disorder (ASD), a neurodevelopmental condition influenced by both genetic and environmental factors. Methods: This retrospective study, conducted at the Genetic & Developmental Medicine Clinic at Sulta …

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