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Article Open Access

Copy number variations in autistic children

  • Authors:
    • Safiah Alhazmi
    • Maram Alharthi
    • Maryam Alzahrani
    • Aisha Alrofaidi
    • Fatemah Basingab
    • Asma Almuhammadi
    • Heba Alkhatabi
    • Abrar Ashi
    • Adeel Chaudhary
    • Aisha Elaimi
  • View Affiliations / Copyright

    Affiliations: Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia, Department of Medical Laboratory Technology, Faculty of Applied Medical Science, King Abdulaziz University, Jeddah 22252, Saudi Arabia
    Copyright: © Alhazmi et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 107
    |
    Published online on: June 3, 2024
       https://doi.org/10.3892/br.2024.1795
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Abstract

Autism spectrum disorder (ASD) manifests as a neurodevelopmental condition marked by challenges in social communication, interaction and the performing of repetitive behaviors. The prevalence of autism increases markedly on an annual basis; however, the etiology remains incompletely understood. Cytogenetically visible chromosomal abnormalities, including copy number variations (CNVs), have been shown to contribute to the pathogenesis of ASD. More than 1% of ASD conditions can be explained based on a known genetic locus, whereas CNVs account for 5‑10% of cases. However, there are no studies on the Saudi Arabian population for the detection of CNVs linked to ASD, to the best of our knowledge. Therefore, the aim of the present study was to explore the prevalence of CNVs in autistic Saudi Arabian children. Genomic DNA was extracted from the peripheral blood of 14 autistic children along with four healthy control children and then array‑based comparative genomic hybridization (aCGH) was used to detect CNVs. Bioinformatics analysis of the aCGH results showed the presence of recurrent and non‑recurrent deletion/duplication CNVs in several regions of the genome of autistic children. The most frequent CNVs were 1q21.2, 3p26.3, 4q13.2, 6p25.3, 6q24.2, 7p21.1, 7q34, 7q11.1, 8p23.2, 13q32.3, 14q11.1‑q11.2 and 15q11.1‑q11.2. In the present study, CNVs in autistic Saudi Arabian children were identified to improve the understanding of the etiology of autism and facilitate its diagnosis. Additionally, the present study identified certain possible pathogenic genes in the CNV region associated with several developmental and neurogenetic diseases.
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Copy and paste a formatted citation
Spandidos Publications style
Alhazmi S, Alharthi M, Alzahrani M, Alrofaidi A, Basingab F, Almuhammadi A, Alkhatabi H, Ashi A, Chaudhary A, Elaimi A, Elaimi A, et al: Copy number variations in autistic children. Biomed Rep 21: 107, 2024.
APA
Alhazmi, S., Alharthi, M., Alzahrani, M., Alrofaidi, A., Basingab, F., Almuhammadi, A. ... Elaimi, A. (2024). Copy number variations in autistic children. Biomedical Reports, 21, 107. https://doi.org/10.3892/br.2024.1795
MLA
Alhazmi, S., Alharthi, M., Alzahrani, M., Alrofaidi, A., Basingab, F., Almuhammadi, A., Alkhatabi, H., Ashi, A., Chaudhary, A., Elaimi, A."Copy number variations in autistic children". Biomedical Reports 21.1 (2024): 107.
Chicago
Alhazmi, S., Alharthi, M., Alzahrani, M., Alrofaidi, A., Basingab, F., Almuhammadi, A., Alkhatabi, H., Ashi, A., Chaudhary, A., Elaimi, A."Copy number variations in autistic children". Biomedical Reports 21, no. 1 (2024): 107. https://doi.org/10.3892/br.2024.1795
Copy and paste a formatted citation
x
Spandidos Publications style
Alhazmi S, Alharthi M, Alzahrani M, Alrofaidi A, Basingab F, Almuhammadi A, Alkhatabi H, Ashi A, Chaudhary A, Elaimi A, Elaimi A, et al: Copy number variations in autistic children. Biomed Rep 21: 107, 2024.
APA
Alhazmi, S., Alharthi, M., Alzahrani, M., Alrofaidi, A., Basingab, F., Almuhammadi, A. ... Elaimi, A. (2024). Copy number variations in autistic children. Biomedical Reports, 21, 107. https://doi.org/10.3892/br.2024.1795
MLA
Alhazmi, S., Alharthi, M., Alzahrani, M., Alrofaidi, A., Basingab, F., Almuhammadi, A., Alkhatabi, H., Ashi, A., Chaudhary, A., Elaimi, A."Copy number variations in autistic children". Biomedical Reports 21.1 (2024): 107.
Chicago
Alhazmi, S., Alharthi, M., Alzahrani, M., Alrofaidi, A., Basingab, F., Almuhammadi, A., Alkhatabi, H., Ashi, A., Chaudhary, A., Elaimi, A."Copy number variations in autistic children". Biomedical Reports 21, no. 1 (2024): 107. https://doi.org/10.3892/br.2024.1795
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