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YEŞİL, GÖZDE

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Kurumdan Ayrılmıştır

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GÖZDE

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YEŞİL

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Open Access
Pseudohypoparathyroidism Type Ia with Normocalcemia
(2019-04-01T00:00:00Z) Kutlu, Esra; CESUR, Yaşar; ÖZGEN, İLKER TOLGA; Yesil, Gozde; KUTLU, ESRA; ÖZGEN, İLKER TOLGA; CESUR, YAŞAR; YEŞİL, GÖZDE
Pseudohypoparathyroidism (PHP) is a heterogeneous group of disorder with parathormone target organ resistance, characterized by hypocalcemia, hyperphosphatemia and high blood parathormone (PTH). Typical phenotypic symptoms and additional hormonal resistance can be observed in type Ia, which is also known as Albright hereditary osteodystrophy. Our patient was an eight-year and nine-month old girl with typical Albright-s hereditary osteodystrophy phenotype including short stature, obesity, round face, low nasal bridge, shortened metacarpals, and mild mental retardation. In her biochemical examination, high PTH level and hypothyroidism is detected in spite of normal calcium and phosphor levels. As a result of clinic and laboratory tests, the findings were consistent with PHP type Ia with normocalcemia. In her guanine nucleotide binding protein (G protein), alpha stimulating activity polypeptide 1 (GNAS 1) gene serial analysis, C-308T>C (p1103T) transformation was detected, which was previously reported in a PHP type Ia patient. In this report, we-ve aimed to emphasize the fact that calcium and phosphor level in the blood of the patient with PHP type Ia can be measured normal.
Open Access
Familial amyloid polyneuropathy due to p.ALA140 ser mutation
(2018-01-01) GÜRSOY, Azize; YEŞİL, GÖZDE; ERGÜN, SELMA; Tosuner, ZEYNEP; GÜRSOY, AZIZE ESRA; YEŞİL, GÖZDE; ERGÜN, SELMA; TOSUNER, ZEYNEP
Open Access
Exome Sequencing of a Primary Ovarian Insufficiency Cohort Reveals Common Molecular Etiologies for a Spectrum of Disease
(2019-08-01) Jolly, Angad; Bayram, Yavuz; Turan, Serap; Aycan, Zehra; Tos, Tulay; Abali, Zehra Yavas; Hacihamdioglu, Bulent; Akdemir, Zeynep Hande Coban; Hijazi, Hadia; Bas, Serpil; Atay, Zeynep; ABALI, Saygın; Guran, Tulay; Bas, Firdevs; Darendeliler, Feyza; Colombo, Roberto; Barakat, Tahsin Stefan; Rinne, Tuula; White, Janson J.; YEŞİL, GÖZDE; Gezdirici, Alper; Gulec, Elif Yilmaz; Karaca, Ender; Pehlivan, Davut; Jhangiani, Shalini N.; Muzny, Donna M.; Poyrazoglu, Sukran; Bereket, Abdullah; Gibbs, Richard A.; Posey, Jennifer E.; Lupski, James R.; YEŞİL, GÖZDE
Context: Primary ovarian insufficiency (POI) encompasses a spectrum of premature menopause, including both primary and secondary amenorrhea. For 75% to 90% of individuals with hyper-gonadotropic hypogonadism presenting as POI, the molecular etiology is unknown. Common etiologies include chromosomal abnormalities, environmental factors, and congenital disorders affecting ovarian development and function, as well as syndromic and nonsyndromic single gene disorders suggesting POI represents a complex trait.
Open Access
Primary immunodeficiency diseases: Genomic approaches delineate heterogeneous Mendelian disorders
(2017-01-01) Stray-Pedersen, Asbjorg; Sorte, Hanne Sormo; Samarakoon, Pubudu; Gambin, Tomasz; Chinn, Ivan K.; Akdemir, Zeynep H. Coban; Erichsen, Hans Christian; Forbes, Lisa R.; Gu, Shen; Yuan, Bo; Jhangiani, Shalini N.; Muzny, Donna M.; Rodningen, Olaug Kristin; Sheng, Ying; Nicholas, Sarah K.; Noroski, Lenora M.; Seeborg, Filiz O.; Davis, Carla M.; Canter, Debra L.; Mace, Emily M.; Vece, Timothy J.; Allen, Carl E.; Abhyankar, Harshal A.; Boone, Philip M.; Beck, Christine R.; Wiszniewski, Wojciech; Fevang, Borre; Aukrust, Pal; Tjonnfjord, Geir E.; Gedde-Dahl, Tobias; Hjorth-Hansen, Henrik; Dybedal, Ingunn; Nordoy, Ingvild; Jorgensen, Silje F.; Abrahamsen, Tore G.; Overland, Torstein; Bechensteen, Anne Grete; Skogen, Vegard; Osnes, Liv T. N.; Kulseth, Mari Ann; Prescott, Trine E.; Rustad, Cecilie F.; Heimdal, Ketil R.; Belmont, John W.; Rider, Nicholas L.; Chinen, Javier; Cao, Tram N.; Smith, Eric A.; Soledad Caldirola, Maria; Bezrodnik, Liliana; Lugo Reyes, Saul Oswaldo; Espinosa Rosales, Francisco J.; Guerrero-Cursaru, Nina Denisse; Pedroza, Luis Alberto; Poli, Cecilia M.; Franco, Jose L.; Trujillo Vargas, Claudia M.; Aldave Becerra, Juan Carlos; Wright, Nicola; Issekutz, Thomas B.; Issekutz, Andrew C.; Abbott, Jordan; Caldwell, Jason W.; Bayer, Diana K.; Chan, Alice Y.; Aiuti, Alessandro; Cancrini, Caterina; Holmberg, Eva; West, Christina; Burstedt, Magnus; Karaca, Ender; Yesil, GÖZDE; Artac, Hasibe; Bayram, Yavuz; Atik, Mehmed Musa; Eldomery, Mohammad K.; Ehlayel, Mohammad S.; Jolles, Stephen; Flato, Berit; Bertuch, Alison A.; Hanson, I. Celine; Zhang, Victor W.; Wong, Lee-Jun; Hu, Jianhong; Walkiewicz, Magdalena; Yang, Yaping; Eng, Christine M.; Boerwinkle, Eric; Gibbs, Richard A.; Shearer, William T.; Lyle, Robert; Orange, Jordan S.; Lupski, James R.; YEŞİL, GÖZDE
Background: Primary immunodeficiency diseases (PIDDs) are clinically and genetically heterogeneous disorders thus far associated with mutations in more than 300 genes. The clinical phenotypes derived from distinct genotypes can overlap. Genetic etiology can be a prognostic indicator of disease severity and can influence treatment decisions. Objective: We sought to investigate the ability of whole-exome screening methods to detect disease-causing variants in patients with PIDDs.
Open Access
Longitudinal Follow-Up of Two Patients with Dysspondyloenchondromatosis due to Novel Heterozygous Mutations in COL2A1
(2018-01-01) Gunes, Nilay; YEŞİL, GÖZDE; Beng, Kubilay; Kahraman, Sinan; Tuysuz, Beyhan; YEŞİL, GÖZDE
Dysspondyloenchondromatosis (DSC) is a rare form of generalized enchondromatosis and characterized by short stature with unequal limb length, multiple enchondromas in metaphyseal and diaphyseal parts of the long tubular bones, and progressive kyphoscoliosis. Although the COL2A1 gene mutation was found to be responsible for DSC, a case of DSC with no pathogenic mutation in the COL2A1 gene has also been reported, suggesting that the condition is genetically heterogeneous. Here, we report 2 novel heterozygous mutations in COL2A1 in 2 patients with DSC. They had prenatal onset short stature with unequal limb length and generalized enchondroma-like lesions in metaphyseal and diaphyseal parts of the long tubular bones, and osteopenia. The first patient was diagnosed at 3 months of age and followed for 10.5 years. Severe lumbosacral scoliosis and recurrent fractures were observed. The second patient was diagnosed at the age of 4 years. Mild deterioration in scoliosis was observed during the 3-year-long follow-up period. However, skeletal radiography of both patients showed the improvement of enchondromatous lesions. In conclusion, we verified that the COL2A1 gene mutations are responsible for the DSC phenotype. We observed severe osteopenia and fractures which were not reported previously
Open Access
Monoallelic and Biallelic Variants in EMC1 Identified in Individuals with Global Developmental Delay, Hypotonia, Scoliosis, and Cerebellar Atrophy
(2016-03-03) Harel, Tamar; YEŞİL, GÖZDE; Bayram, Yavuz; Coban-Akdemir, Zeynep; Charng, Wu-Lin; Karaca, Ender; Al Asmari, Ali; Eldomery, Mohammad K.; Hunter, Jill V.; Jhangiani, Shalini N.; Rosenfeld, Jill A.; Pehlivan, Davut; El-Hattab, Ayman W.; Saleh, Mohammed A.; Leduc, Charles A.; Muzny, Donna; Boerwinkle, Eric; Gibbs, Richard A.; Chung, Wendy K.; Yang, Yaping; Belmont, John W.; Lupski, James R.; YEŞİL, GÖZDE
The paradigm of a single gene associated with one specific phenotype and mode of inheritance has been repeatedly challenged. Genotype-phenotype correlations can often be traced to different mutation types, localization of the variants in distinct protein domains, or the trigger of or escape from nonsense-mediated decay. Using whole-exome sequencing, we identified homozygous variants in EMC1 that segregated with a phenotype of developmental delay, hypotonia, scoliosis, and cerebellar atrophy in three families. In addition, a de novo heterozygous EMC1 variant was seen in an individual with a similar clinical and MRI imaging phenotype. EMC1 encodes a member of the endoplasmic reticulum (ER)-membrane protein complex (EMC), an evolutionarily conserved complex that has been proposed to have multiple roles in ER-associated degradation, ER-mitochondria tethering, and proper assembly of multi-pass transmembrane proteins. Perturbations of protein folding and organelle crosstalk have been implicated in neurodegenerative processes including cerebellar atrophy. We propose EMC1 as a gene in which either biallelic or monoallelic variants might lead to a syndrome including intellectual disability and preferential degeneration of the cerebellum.
Open Access
A case with Rubinstein-Taybi syndrome: A novel frameshift mutation in the CREBBP gene
(2017-09-01) Eser, Metin; Ayaz, Akif; YEŞİL, GÖZDE; YEŞİL, GÖZDE
Rubinstein-Taybi syndrome (RSTS) is a developmental disorder characterized by a wide spectrum of multiple congenital anomalies and cognitive impairment. RSTS is primarily due to mutations in CREBBP (approximately 55% of cases) or EP300 (approximately 8% of cases) genes. A 2 month-old boy had atypical facial findings such as low anterior hairline, triangular face, hirsutism on forehead, down-slanting palpebral fissures, beaked nose, broad nasal bridge, triangular mouth and pointed chin and skeletal finding including broad great thumbs and halluces, and accessory nipple. With this paper, we reported a novel frameshift mutation which is led to premature stop codon in CREBBP gene. As a result, c.2057dupC, reported in this paper enlarges the molecular spectrum of disease-causing CREBBP gene.
Open Access
Homozygous Loss-of-function Mutations in SOHLH1 in Patients With Nonsyndromic Hypergonadotropic Hypogonadism
(2015-05-01) Bayram, Yavuz; Gulsuner, Suleyman; ABACI, Ayhan; Gulsuner, Hilal Unal; Atay, Zeynep; Pierce, Sarah B.; Gambin, Tomasz; Lee, Ming; Turan, Serap; Bober, Ece; Atik, Mehmed M.; Walsh, Tom; Karaca, Ender; Pehlivan, Davut; Jhangiani, Shalini N.; Muzny, Donna; Bereket, Abdullah; Buyukgebiz, Atilla; Boerwinkle, Eric; Gibbs, Richard A.; King, Mary-Claire; Lupski, James R.; YEŞİL, GÖZDE
Context: Hypergonadotropic hypogonadism presents in females with delayed or arrested puberty, primary or secondary amenorrhea due to gonadal dysfunction, and is further characterized by elevated gonadotropins and low sex steroids. Chromosomal aberrations and various specific gene defects can lead to hypergonadotropic hypogonadism. Responsible genes include those with roles in gonadal development or maintenance, sex steroid synthesis, or end-organ resistance to gonadotropins. Identification of novel causative genes in this disorder will contribute to our understanding of the regulation of human reproductive function. Objectives: The aim of this study was to identify and report the gene responsible for autosomal-recessive hypergonadotropic hypogonadism in two unrelated families. Design and participants: Clinical evaluation and whole-exome sequencing were performed in two pairs of sisters with nonsyndromic hypergonadotropic hypogonadism from two unrelated families. Results: Exome sequencing analysis revealed two different truncating mutations in the same gene: SOHLH1 c.705delT (p.Pro235fs*4) and SOHLH1 c.27C>G (p.Tyr9stop). Both mutations were unique to the families and segregation was consistent with Mendelian expectations for an autosomal-recessive mode of inheritance. Conclusions: Sohlh1 was known from previous mouse studies to be a transcriptional regulator that functions in the maintenance and survival of primordial ovarian follicles, but loss-of-function mutations in human females have not been reported. Our results provide evidence that homozygous-truncating mutations in SOHLH1 cause female nonsyndromic hypergonadotropic hypogonadism.
Open Access
Biallelic and De Novo Variants in DONSON Reveal a Clinical Spectrum of Cell Cycle-opathies with Microcephaly, Dwarfism and Skeletal Abnormalities
(2019-08-13) Karaca, Ender; Posey, Jennifer E.; Bostwick, Bret; Liu, Pengfei; Gezdirici, Alper; YEŞİL, GÖZDE; Akdemir, Zeynep Coban; Bayram, Yavuz; Harms, Frederike L.; Meinecke, Peter; Alawi, Malik; Bacino, Carlos A.; Sutton, V. Reid; Kortuem, Fanny; Lupski, James R.; YEŞİL, GÖZDE
Co-occurrence of primordial dwarfism and microcephaly together with particular skeletal findings are seen in a wide range of Mendelian syndromes including microcephaly micromelia syndrome (MMS, OMIM 251230), microcephaly, short stature, and limb abnormalities (MISSLA, OMIM 617604), and microcephalic primordial dwarfisms (MPDs). Genes associated with these syndromes encode proteins that have crucial roles in DNA replication or in other critical steps of the cell cycle that link DNA replication to cell division. We identified four unrelated families with five affected individuals having biallelic or de novo variants in DONSON presenting with a core phenotype of severe short stature (z score T p.(Arg211Cys) variant had clinical features typical of Meier-Gorlin syndrome (MGS), while two siblings with compound heterozygous c.346delG p.(Asp116Ile*62) and c.1349A > G p.(Lys450Arg) variants presented with Seckel-like phenotype. We also identified a de novo c.683G > T p.(Trp228Leu) variant in DONSON in a patient with prominent micrognathia, short stature and hypoplastic femur and tibia, clinically diagnosed with Femoral-Facial syndrome (FFS, OMIM 134780). Biallelic variants in DONSON have been recently described in individuals with microcephalic dwarfism. These studies also demonstrated that DONSON has an essential conserved role in the cell cycle. Here we describe novel biallelic and de novo variants that are associated with MGS, Seckel-like phenotype and FFS, the last of which has not been associated with any disease gene to date.
Open Access
The Genomics of Arthrogryposis, a Complex Trait: Candidate Genes and Further Evidence for Oligogenic Inheritance
(2019-07-03) Pehlivan, Davut; Bayram, Yavuz; Gunes, Nilay; Akdemir, Zeynep Coban; Shukla, Anju; Bierhals, Tatjana; TABAKCI, BURCU; Sahin, Yavuz; Gezdirici, Alper; Fatih, Jawid M.; Gulec, Elif Yilmaz; YEŞİL, GÖZDE; Punetha, Jaya; Ocak, Zeynep; Grochowski, Christopher M.; Karaca, Ender; Albayrak, Hatice Mutlu; Radhakrishnan, Periyasamy; Erdem, Haktan Bagis; Sahin, Ibrahim; Yildirim, Timur; Bayhan, Ilhan A.; Bursali, Aysegul; Elmas, Muhsin; Yuksel, Zafer; Ozdemir, Ozturk; Silan, Fatma; Yildiz, Onur; Yesilbas, Osman; Isikay, Sedat; Balta, Burhan; Gu, Shen; Jhangiani, Shalini N.; Doddapaneni, Harsha; Hu, Jianhong; Muzny, Donna M.; Boerwinkle, Eric; Gibbs, Richard A.; Tsiakas, Konstantinos; Hempel, Maja; Girisha, Katta Mohan; Gul, Davut; Posey, Jennifer E.; Elcioglu, Nursel H.; Tuysuz, Beyhan; Lupski, James R.; YEŞİL, GÖZDE
Arthrogryposis is a clinical finding that is present either as a feature of a neuromuscular condition or as part of a systemic disease in over 400 Mendelian conditions. The underlying molecular etiology remains largely unknown because of genetic and phenotypic heterogeneity. We applied exome sequencing (ES) in a cohort of 89 families with the clinical sign of arthrogryposis. Additional molecular techniques including array comparative genomic hybridization (aCGH) and Droplet Digital PCR (ddPCR) were performed on individuals who were found to have pathogenic copy number variants (CNVs) and mosaicism, respectively. A molecular diagnosis was established in 65.2% (58/89) of families. Eleven out of 58 families (19.0%) showed evidence for potential involvement of pathogenic variation at more than one locus, probably driven by absence of heterozygosity (AOH) burden due to identity-by-descent (IBD). RYR3, MYOM2, ERGIC1, SPTBN4, and ABCA7 represent genes, identified in two or more families, for which mutations are probably causative for arthrogryposis. We also provide evidence for the involvement of CNVs in the etiology of arthrogryposis and for the idea that both mono-allelic and bi-allelic variants in the same gene cause either similar or distinct syndromes. We were able to identify the molecular etiology in nine out of 20 families who underwent reanalysis. In summary, our data from family-based ES further delineate the molecular etiology of arthrogryposis, yielded several candidate disease-associated genes, and provide evidence for mutational burden in a biological pathway or network. Our study also highlights the importance of reanalysis of individuals with unsolved diagnoses in conjunction with sequencing extended family members.