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Iranian Journal of Public Health، جلد ۵۳، شماره ۲، صفحات ۴۸۲-۴۸۹
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عنوان انگلیسی CDON Mutation Related to Nose Deformity with Variable Expression in Holoprosencephaly in an Iranian Family: A Case Report
چکیده انگلیسی مقاله Holoprosencephaly, a complicated brain abnormality arising from incomplete prosencephalon cleavage, affects both the forebrain and the face. Holoprosencephaly Type 11, with variable expression or partial penetrance, is caused by CDON pathogenic variants associated with the disrupted Sonic Hedgehog (SHH)-pathway. Herein, we aimed to describe a family with genetic nose problems. After counselling and drawing pedigree in Farhud's Genetic Clinic, Tehran, Iran in 2021, DNA extraction of a proband and a few members of his family (patient and control) was conducted. Whole exome sequencing was utilized for detecting the gene and its variant in the proband with a nose deformity. The results were confirmed with Sanger sequencing. This variant was checked in other members by Sanger sequencing. Analysis of the Exome data showed a heterozygous splicing variant in the CDON gene (NM_016952; c.3276+1G>T) in the proband who had a nose deformity and then the results were confirmed with Sanger sequencing. Such a variant was observed in Proband's brother with a nose deformity and was not observed in Proband's cousin with no abnormal phenotype. Recent investigations, in an Iranian family, with a heterozygous splicing CDON mutation as a human candidate gene are discussed for the first time in relation to the likely pathogenesis of facial deformities, particularly nose deformity, in Holoprosencephaly.
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نویسندگان مقاله | Dariush D. Farhud
1. Dr. Farhud Genetic Clinic, Tehran, Iran 2. Research Institute of Aging, Tehran University of Medical Sciences, Tehran, Iran 3. Social Genetics Research Center, Nasim Institute, Tehran, Iran 4. Department of Basic Sciences, Iranian Academy of Medical Sciences, Tehran, Iran


| Parisa Varjavand
Dr. Farhud Genetic Clinic, Tehran, Iran


| Marjan Zarif-Yeganeh
. Farhud Genetic Clinic, Tehran, Iran 2. Research Institute of Aging, Tehran University of Medical Sciences, Tehran, Iran 3. Social Genetics Research Center, Nasim Institute, Tehran, Iran
نشانی اینترنتی https://ijph.tums.ac.ir/index.php/ijph/article/view/31095
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