Browsing by Author "Karakas, Z"

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    Different Response Patterns to Inactivated, Subunit or Live Attenuated Vaccines in Children after Treatment for Malignancies and Bone Marrow Transplantation
    Anak, SS; Ozcan, EE; Kilic, A; Onel, M; Ozguven, A; Unuvar, A; Karakas, Z; Ozturk, G; Agacfidan, A; Devecioglu, O; Agaoglu, L; Kilinc, Y
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    Identification of the molecular etiology in rare congenital hemolytic anemias using next-generation sequencing with exome-based copy number variant analysis
    Isik, E; Aydinok, Y; Albayrak, C; Durmus, B; Karakas, Z; Orhan, MF; Sarper, N; Aydin, S; Unal, S; Oymak, Y; Karadas, N; Turedi, A; Albayrak, D; Tayfun, F; Tugcu, D; Karaman, S; Tobu, M; Unal, E; Ozcan, A; Unal, S; Aksu, T; Unuvar, A; Bilici, M; Azik, F; Ay, Y; Gelen, SA; Zengin, E; Albudak, E; Eker, I; Karakaya, T; Cogulu, O; Ozkinay, F; Atik, T
    ObjectivesIn congenital hemolytic anemias (CHA), it is not always possible to determine the specific diagnosis by evaluating clinical findings and conventional laboratory tests. The aim of this study is to evaluate the utility of next-generation sequencing (NGS) and clinical-exome-based copy number variant (CNV) analysis in patients with CHA.MethodsOne hundred and forty-three CHA cases from 115 unrelated families referred for molecular analysis were enrolled in the study. Molecular analysis was performed using two different clinical exome panels in 130 patients, and whole-exome sequencing in nine patients. Exome-based CNV calling was incorporated into the traditional single-nucleotide variant and small insertion/deletion analysis pipeline for NGS data in 92 cases. In four patients from the same family, the PK Gypsy variant was investigated using long-range polymerase chain reaction.ResultsMolecular diagnosis was established in 86% of the study group. The most frequently mutated genes were SPTB (31.7%) and PKLR (28.5%). CNV analysis of 92 cases revealed that three patients had different sizes of large deletions in the SPTB and six patients had a deletion in the PKLR.ConclusionsIn this study, NGS provided a high molecular diagnostic rate in cases with rare CHA. Analysis of the CNVs contributed to the diagnostic success.
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    Covid-19 Infection in children with Cancer after the First Wave in Turkey: A Study of the Turkish Pediatric Oncology (TPOG) and Hematology (TPHD) Societies
    Kebudi, R; Kurucu, N; Tugcu, D; Eker, N; Ince, D; Tokuç, G; Çeçen, RE; Sevinir, B; Vural, Ö; Erdem, M; Demirdag, T; Koç, A; Kara, B; Uzel, H; Tuncel, D; Çitak, Ç; Kartal, I; Canpolat, C; Özgüven, A; Elli, M; Acipayam, C; Töret, E; Karakas, Z; Türkkan, E; Koçak, Ü; Tüfekçi, Ö; Buyukkapu, SB; Orhan, M; Albayrak, C; Albayrak, D; Sen, H; Biçakçi, Z; Özbek, N; Somer, A; Kara, A