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BAYRAKLI, FATİH

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FATİH

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Author: DAĞÇINAR, ADNAN × End date: 2023 ×

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Now showing 1 - 4 of 4
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    Deep brain stimulation as treatment for dystonic storm in pantothenate kinase-associated neurodegeneration syndrome: case report of a patient with homozygous C.628 2 T > G mutation of the PANK2 gene
    (SPRINGER WIEN, 2015) DAĞÇINAR, ADNAN; Tanrikulu, Bahattin; Ozen, Ali; Gunal, Dilek Ince; Turkdogan, Dilsad; Bayrakli, Fatih; Bayri, Yasar; Dagcinar, Adnan; Seker, Askin
    Pantothenate kinase-associated neurodegeneration (PKAN) syndrome is an autosomal-recessive neurodegenerative disease that causes progressive generalized dystonia. Currently, the disorder remains pharmacologically intractable. Herein we report the first case in which deep brain stimulation helped to relieve dystonic storm in a patient with PKAN syndrome who had homozygous c.628 2 T > G mutation of the PANK2 gene. A 10-year-old boy with PKAN disease presented with dystonic storm and was admitted to the emergency department. Examination revealed generalized dystonia and impaired breathing due to involvement of the respiratory muscles. The patient underwent surgery for bilateral globus pallidus internus deep brain stimulation. The patient showed marked response to treatment.
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    Intractable yawning caused by foramen magnum meningioma in a patient with neurofibromatosis type 2
    (2015) DAĞÇINAR, ADNAN; Bayri, Yasar; Tanrikulu, Bahattin; Bayrakli, Fatih; Koç, Demet Yalçinkaya; Dağçinar, Adnan
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    Neural tube defect family with recessive trait linked to chromosome 9q21.12-21.31
    (SPRINGER, 2015) DAĞÇINAR, ADNAN; Bayri, Yasar; Soylemez, Burcak; Seker, Askin; Yuksel, Sirin; Tanrikulu, Bahattin; Unver, Olcay; Canbolat, Cagri; Sakar, Mustafa; Kardag, Ozen; Yakicier, Cengiz; Dagcinar, Adnan; Ziyal, Ibrahim; Bayrakli, Fatih
    Meningomyelocele is one of the most common and socioeconomically, psychologically, and physically debilitating neurodevelopmental diseases. A few chromosomal locus and genes have been identified as responsible for the disease; however, clear evidence still needs to be produced. This study aimed to show evidence of a strong genetic linkage in a novel chromosomal locus in a family with this neural tube defect. We identified a neural tube defect family in eastern Turkey, where two of six offspring had operations due to thoracolumbar meningomyelocele. The parents were of a consanguineous marriage. We collected venous blood from six offspring of the family. Whole genome linkage analysis was performed in all offspring. A theoretical maximum logarithm of an odds score of 3.16 was identified on chromosome 9q21.12-21.31. This result shows a strong genetic linkage to this locus. Our results identified a novel chromosomal locus related to meningomyelocele and provide a base for further investigations toward the discovery of a new causative gene.
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    Hereditary spastic paraplegia with recessive trait caused by mutation in KLC4 gene
    (NATURE PUBLISHING GROUP, 2015-12) DAĞÇINAR, ADNAN; Bayrakli, Fatih; Poyrazoglu, Hatice Gamze; Yuksel, Sirin; Yakicier, Cengiz; Erguner, Bekir; Sagiroglu, Mahmut Samil; Yuceturk, Betul; Ozer, Bugra; Doganay, Selim; Tanrikulu, Bahattin; Seker, Askin; Akbulut, Fatih; Ozen, Ali; Per, Huseyin; Kumandas, Sefer; Torun, Yasemin Altuner; Bayri, Yasar; Sakar, Mustafa; Dagcinar, Adnan; Ziyal, Ibrahim
    We report an association between a new causative gene and spastic paraplegia, which is a genetically heterogeneous disorder. Clinical phenotyping of one consanguineous family followed by combined homozygosity mapping and whole-exome sequencing analysis. Three patients from the same family shared common features of progressive complicated spastic paraplegia. They shared a single homozygous stretch area on chromosome 6. Whole-exome sequencing revealed a homozygous mutation (c.853_871del19) in the gene coding the kinesin light chain 4 protein (KLC4). Meanwhile, the unaffected parents and two siblings were heterozygous and one sibling was homozygous wild type. The 19 bp deletion in exon 6 generates a stop codon and thus a truncated messenger RNA and protein. The association of a KLC4 mutation with spastic paraplegia identifies a new locus for the disease.