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Brief ReportBrief Communication
Open Access

Novel compound heterozygous mutations in MCPH1 gene causes primary microcephaly in Saudi family

Muhammad I. Naseer, Mahmood Rasool, Angham A. Abdulkareem, Randa I. Bassiouni, Hussein Algahtani, Adeel G. Chaudhary and Mohammad H. Al-Qahtani
Neurosciences Journal October 2018, 23 (4) 346-350; DOI: https://doi.org/10.17712/nsj.2018.4.20180095
Muhammad I. Naseer
From the Center of Excellence in Genomic Medicine Research (Naseer, Rasool Abdulkareem, Chaudhary, Al-Qahtan) King Abdulaziz University, and from King Abdulaziz Medical City (Algahtani), King Saud bin Abdulaziz University for Health Sciences, Jeddah, Kingdom of Saudi Arabia, and from Clinical Genetic Division of Human Genetics & Genome Research, National Research Center (Bassiouni), Dokki, Giza, Egypt
M.phil, PhD
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Mahmood Rasool
From the Center of Excellence in Genomic Medicine Research (Naseer, Rasool Abdulkareem, Chaudhary, Al-Qahtan) King Abdulaziz University, and from King Abdulaziz Medical City (Algahtani), King Saud bin Abdulaziz University for Health Sciences, Jeddah, Kingdom of Saudi Arabia, and from Clinical Genetic Division of Human Genetics & Genome Research, National Research Center (Bassiouni), Dokki, Giza, Egypt
PhD
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Angham A. Abdulkareem
From the Center of Excellence in Genomic Medicine Research (Naseer, Rasool Abdulkareem, Chaudhary, Al-Qahtan) King Abdulaziz University, and from King Abdulaziz Medical City (Algahtani), King Saud bin Abdulaziz University for Health Sciences, Jeddah, Kingdom of Saudi Arabia, and from Clinical Genetic Division of Human Genetics & Genome Research, National Research Center (Bassiouni), Dokki, Giza, Egypt
PhD student
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Randa I. Bassiouni
From the Center of Excellence in Genomic Medicine Research (Naseer, Rasool Abdulkareem, Chaudhary, Al-Qahtan) King Abdulaziz University, and from King Abdulaziz Medical City (Algahtani), King Saud bin Abdulaziz University for Health Sciences, Jeddah, Kingdom of Saudi Arabia, and from Clinical Genetic Division of Human Genetics & Genome Research, National Research Center (Bassiouni), Dokki, Giza, Egypt
MD
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Hussein Algahtani
From the Center of Excellence in Genomic Medicine Research (Naseer, Rasool Abdulkareem, Chaudhary, Al-Qahtan) King Abdulaziz University, and from King Abdulaziz Medical City (Algahtani), King Saud bin Abdulaziz University for Health Sciences, Jeddah, Kingdom of Saudi Arabia, and from Clinical Genetic Division of Human Genetics & Genome Research, National Research Center (Bassiouni), Dokki, Giza, Egypt
MD, FRCPS
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Adeel G. Chaudhary
From the Center of Excellence in Genomic Medicine Research (Naseer, Rasool Abdulkareem, Chaudhary, Al-Qahtan) King Abdulaziz University, and from King Abdulaziz Medical City (Algahtani), King Saud bin Abdulaziz University for Health Sciences, Jeddah, Kingdom of Saudi Arabia, and from Clinical Genetic Division of Human Genetics & Genome Research, National Research Center (Bassiouni), Dokki, Giza, Egypt
PhD
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Mohammad H. Al-Qahtani
From the Center of Excellence in Genomic Medicine Research (Naseer, Rasool Abdulkareem, Chaudhary, Al-Qahtan) King Abdulaziz University, and from King Abdulaziz Medical City (Algahtani), King Saud bin Abdulaziz University for Health Sciences, Jeddah, Kingdom of Saudi Arabia, and from Clinical Genetic Division of Human Genetics & Genome Research, National Research Center (Bassiouni), Dokki, Giza, Egypt
PhD
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  • For correspondence: [email protected]
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    Figure 1

    A consanguineous family of primary microcephaly from Saudi Arabia showing the disease phenotype segregating in an autosomal recessive manner. The samples available for genetic testing were marked with asterisks.

  • Figure 2
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    Figure 2

    Representative electropherogram after Sanger sequence analysis confirm the compound heterozygous mutation in this family, a and b (father III-1 is heterozygous at position c.982G>A and mother III-2 is homozygous whereas at position c.1273T>A father is homozygous while mother is heterozygous) while (IV-1 and IV-2) are affected children showing heterozygosity for both (c.982G>A and c.1273T>A) in exon 8 of MCPH1 gene.

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    Table 1

    In silico tools used for prediction of pathogenicity of missense variants.

    S. NoOnline toolsPathogenicity score
    1Ensembl (http://www.ensembl.org, ENST00000401500)0.0 0.0
    2SIFT (http://sift.jcvi.org/)0.63 1.0
    31000 Genomes (http://www.internationalgenome.org/)0.0 0.0
    4Exome Aggregation Consortium (http://exac.broadinstitute.org/)0.012 0.009
    5Diploid Internal Frequency0.06 0.13
    6PhastCons0.0 0.89
    7Polyphen -2 (http://genetics.bwh.harvard.edu/pph2/)0.0 0.0
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Neurosciences Journal: 23 (4)
Neurosciences Journal
Vol. 23, Issue 4
1 Oct 2018
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Novel compound heterozygous mutations in MCPH1 gene causes primary microcephaly in Saudi family
Muhammad I. Naseer, Mahmood Rasool, Angham A. Abdulkareem, Randa I. Bassiouni, Hussein Algahtani, Adeel G. Chaudhary, Mohammad H. Al-Qahtani
Neurosciences Journal Oct 2018, 23 (4) 346-350; DOI: 10.17712/nsj.2018.4.20180095

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Novel compound heterozygous mutations in MCPH1 gene causes primary microcephaly in Saudi family
Muhammad I. Naseer, Mahmood Rasool, Angham A. Abdulkareem, Randa I. Bassiouni, Hussein Algahtani, Adeel G. Chaudhary, Mohammad H. Al-Qahtani
Neurosciences Journal Oct 2018, 23 (4) 346-350; DOI: 10.17712/nsj.2018.4.20180095
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