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https://www.readbyqxmd.com/read/28815892/preaxial-polydactyly-in-an-individual-with-wiedemann-steiner-syndrome-caused-by-a-novel-nonsense-mutation-in-kmt2a
#1
Takashi Enokizono, Tatsuyuki Ohto, Ryuta Tanaka, Mai Tanaka, Hisato Suzuki, Aiko Sakai, Kazuo Imagawa, Hiroko Fukushima, Atsushi Iwabuti, Takashi Fukushima, Ryo Sumazaki, Tomoko Uehara, Toshiki Takenouchi, Kenjiro Kosaki
Wiedemann-Steiner syndrome (WDSTS) is an autosomal dominant disorder characterized by hypertrichosis, intellectual disability, and dysmorphic facial appearances (down-slanted vertically narrow palpebral fissures, wide nasal bridge, broad nasal tip, and thick eyebrows). In 2012, Jones and co-workers identified heterozygous mutations in KMT2A (lysine methyltransferase 2A) as the molecular cause of WDSTS. Although the phenotype of this syndrome continues to expand, the associated features are not fully understood...
August 16, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28815877/new-intragenic-rearrangements-in-non-finnish-mulibrey-nanism
#2
Florence Jobic, Gilles Morin, Catherine Vincent-Delorme, Estelle Cadet, Rosalie Cabry, Michèle Mathieu-Dramard, Henri Copin, Jacques Rochette, Guillaume Jedraszak
Prenatal growth is a complex dynamic process controlled by various genetic and environmental factors. Among genetic syndromes characterized by growth restriction, MULIBREY nanism represents a rare autosomal recessive condition presenting with severe pre- and post-natal growth failure, characteristic dysmorphic features but normal neurological development. The phenotype of MULIBREY nanism is variable and overlaps with others such as the Silver-Russell syndrome. We report here three patients in two distinct non-Finnish families from North France who were first suspected to have Silver-Russell syndrome which failed to be confirmed on molecular analyses...
August 17, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28815871/clinical-and-molecular-characterization-of-de-novo-loss-of-function-variants-in-hnrnpu
#3
Magalie S Leduc, Hsiao-Tuan Chao, Chunjing Qu, Magdalena Walkiewicz, Rui Xiao, Pilar Magoulas, Shujuan Pan, Joke Beuten, Weimin He, Jonathan A Bernstein, Christian P Schaaf, Fernando Scaglia, Christine M Eng, Yaping Yang
DNA alterations in the 1q43-q44 region are associated with syndromic neurodevelopmental disorders characterized by global developmental delay, intellectual disability, dysmorphic features, microcephaly, seizures, and agenesis of the corpus callosum. HNRNPU is located within the 1q43-q44 region and mutations in the gene have been reported in patients with early infantile epileptic encephalopathy. Here, we report on the clinical presentation of four patients with de novo heterozygous HNRNPU loss-of-function mutations detected by clinical whole exome sequencing: c...
August 16, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28815207/novel-ampd2-mutation-in-pontocerebellar-hypoplasia-dysmorphisms-and-teeth-abnormalities
#4
Andrea Accogli, Michele Iacomino, Francesca Pinto, Alessandro Orsini, Maria Stella Vari, Raed Selmi, Annalaura Torella, Vincenzo Nigro, Carlo Minetti, Mariasavina Severino, Pasquale Striano, Valeria Capra, Federico Zara
No abstract text is available yet for this article.
October 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28814329/severe-persistent-pulmonary-hypertension-of-the-newborn-and-dysmorphic-features-in-neonate-with-a-deletion-involving-twist1-and-phf14-a-case-report
#5
Carina Schinagl, Guro Reinholt Melum, Olaug Kristin Rødningen, Kathrine Bjørgo, Jannicke Hanne Andresen
BACKGROUND: Persistent pulmonary hypertension is a well-known disease of the newborn that in most cases responds well to treatment with nitric oxide and treatment of any underlying causes. Genetic causes of persistent pulmonary hypertension of the newborn are rare. The TWIST1 gene is involved in morphogenetics, and deletions are known to cause Saethre-Chotzen syndrome. Deletions of PHF14 have never been reported in neonates, but animal studies have shown a link between severe defects in lung development and deletions of this gene...
August 17, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28811188/familial-1p36-3-microduplication-resulting-from-a-1p-9q-non-reciprocal-translocation
#6
Valentine Marquet, Sylvie Bourthoumieu, Amelia Dobrescu, Cécile Laroche-Raynaud, Catherine Yardin
Unlike the 1p36 microdeletion syndrome, which has been extensively described, 1p36 microduplications have rarely been reported. We describe a three years old boy presenting with a severe global developmental delay and a few dysmorphic features. Cytogenetic analyses revealed a maternally inherited 3.35 Mb microduplication of chromosomal band 1p36.3. The maternal grand-father is also carrier of the same chromosomal rearrangement. Interestingly, the duplicated 1p36.3 segment was found to be localized at the telomeric end of the long arms of a chromosome 9, probably deriving from a 1p36...
August 12, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28808579/a-novel-bbs10-mutation-identified-in-a-patient-with-bardet-biedl-syndrome-with-a-violent-emotional-outbreak
#7
Tatsuyuki Ohto, Takashi Enokizono, Ryuta Tanaka, Mai Tanaka, Hisato Suzuki, Aiko Sakai, Kazuo Imagawa, Hiroko Fukushima, Takashi Fukushima, Ryo Sumazaki, Tomoko Uehara, Toshiki Takenouchi, Kenjiro Kosaki
We report a 10-year-old girl with Bardet-Biedl syndrome caused by a novel mutation in the Bardet-Biedl syndrome 10 (BBS10) gene. She had multiple malformations, including a dysmorphic face, postaxial polydactyly, polycystic kidney and amblyopia. She presented with typical BBS features, including intellectual disability with emotional outbursts and mild obesity. Whole-exome sequencing identified compound heterozygous mutations with NM_024685.3:c.1677C>A [p.(Tyr559*)] and c.1974T>G [p.(Tyr658*)]. To our knowledge, the latter mutation has never been reported previously...
2017: Human Genome Variation
https://www.readbyqxmd.com/read/28807867/impairment-of-different-protein-domains-causes-variable-clinical-presentation-within-pitt-hopkins-syndrome-and-suggests-intragenic-molecular-syndromology-of-tcf4
#8
Maria Francesca Bedeschi, Giuseppe Marangi, Maria Rosaria Calvello, Stefania Ricciardi, Francesca Pia Chiara Leone, Marco Baccarin, Silvana Guerneri, Daniela Orteschi, Marina Murdolo, Serena Lattante, Silvia Frangella, Beth Keena, Margaret H Harr, Elaine Zackai, Marcella Zollino
Pitt-Hopkins syndrome is a neurodevelopmental disorder characterized by severe intellectual disability and a distinctive facial gestalt. It is caused by haploinsufficiency of the TCF4 gene. The TCF4 protein has different functional domains, with the NLS (nuclear localization signal) domain coded by exons 7-8 and the bHLH (basic Helix-Loop-Helix) domain coded by exon 18. Several alternatively spliced TCF4 variants have been described, allowing for translation of variable protein isoforms. Typical PTHS patients have impairment of at least the bHLH domain...
August 11, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28807008/phenotypic-and-molecular-characterisation-of-cdk13-related-congenital-heart-defects-dysmorphic-facial-features-and-intellectual-developmental-disorders
#9
Bret L Bostwick, Scott McLean, Jennifer E Posey, Haley E Streff, Karen W Gripp, Alyssa Blesson, Nina Powell-Hamilton, Jessica Tusi, David A Stevenson, Ellyn Farrelly, Louanne Hudgins, Yaping Yang, Fan Xia, Xia Wang, Pengfei Liu, Magdalena Walkiewicz, Marianne McGuire, Dorothy K Grange, Marisa V Andrews, Marybeth Hummel, Suneeta Madan-Khetarpal, Elena Infante, Zeynep Coban-Akdemir, Karol Miszalski-Jamka, John L Jefferies, Jill A Rosenfeld, Lisa Emrick, Kimberly M Nugent, James R Lupski, John W Belmont, Brendan Lee, Seema R Lalani
BACKGROUND: De novo missense variants in CDK13 have been described as the cause of syndromic congenital heart defects in seven individuals ascertained from a large congenital cardiovascular malformations cohort. We aimed to further define the phenotypic and molecular spectrum of this newly described disorder. METHODS: To minimise ascertainment bias, we recruited nine additional individuals with CDK13 pathogenic variants from clinical and research exome laboratory sequencing cohorts...
August 14, 2017: Genome Medicine
https://www.readbyqxmd.com/read/28805663/yap-taz-regulates-sprouting-angiogenesis-and-vascular-barrier-maturation
#10
Jongshin Kim, Yoo Hyung Kim, Jaeryung Kim, Do Young Park, Hosung Bae, Da-Hye Lee, Kyun Hoo Kim, Seon Pyo Hong, Seung Pil Jang, Yoshiaki Kubota, Young-Guen Kwon, Dae-Sik Lim, Gou Young Koh
Angiogenesis is a multistep process that requires coordinated migration, proliferation, and junction formation of vascular endothelial cells (ECs) to form new vessel branches in response to growth stimuli. Major intracellular signaling pathways that regulate angiogenesis have been well elucidated, but key transcriptional regulators that mediate these signaling pathways and control EC behaviors are only beginning to be understood. Here, we show that YAP/TAZ, a transcriptional coactivator that acts as an end effector of Hippo signaling, is critical for sprouting angiogenesis and vascular barrier formation and maturation...
August 14, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28805616/prenatal-diagnosis-and-molecular-cytogenetic-characterization-of-mosaicism-for-a-small-supernumerary-marker-chromosome-derived-from-chromosome-16
#11
Chih-Ping Chen, Tsang-Ming Ko, Schu-Rern Chern, Peih-Shan Wu, Shin-Wen Chen, Shih-Ting Lai, Chien-Wen Yang, Chen-Wen Pan, Wayseen Wang
OBJECTIVE: We present prenatal diagnosis and molecular cytogenetic characterization of a small supernumerary marker chromosome (sSMC) derived from chromosome 16. CASE REPORT: A 28-year-old woman underwent amniocentesis at 17 weeks of gestation because of abnormal maternal serum screening for Down syndrome. Amniocentesis revealed a karyotype of 47,XY,+mar[5]/46,XY[9]. Parental karyotypes were normal. Prenatal ultrasound findings were unremarkable. Array comparative genomic hybridization (aCGH) analysis of cultured amniocytes revealed a de novo 16% gene dosage increase of 16q11...
August 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28803747/novel-heterozygous-mutations-of-the-insr-gene-in-a-familial-case-of-donohue-syndrome
#12
Litao Qin, Xiaobo Li, Qiaofang Hou, Hongdan Wang, Guiyu Lou, Tao Li, Li Wang, Hongyan Liu, Xichuan Li, Shixiu Liao
Donohue syndrome (DS), a rare autosomal recessive disease which represents severe insulin resistance, pre- and postnatal growth retardation, hypertrichosis, and dysmorphic features, is caused by mutations in the insulin receptor (INSR) gene. Here, we have reported the clinical, molecular, and biochemical characterizations of a patient with DS. In this article, we have also reported a case with 2 novel INSR mutations and the DS phenotype. Using next-generation sequencing (NGS), we screened 27 known genes involved in inherited maturity-onset diabetes of the young (MODY) and identified compound heterozygous mutations in the INSR gene in the patient with DS, c...
August 10, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28801582/percutaneous-placement-of-iliosacral-screws-under-the-guidance-of-axial-view-projection-of-the-s1-pedicle-a-case-series
#13
Yingchao Yin, Zhiyong Hou, Ruipeng Zhang, Lin Jin, Wei Chen, Yingze Zhang
The aim of this study was to evaluate the safety and efficacy of percutaneous placement of iliosacral screws under the guidance of axial view projection of the S1 pedicle clinically. This case series includes 58 consecutive unstable pelvic injury patients, which were treated with iliosacral screws between July 2011 and July 2016. Patients were divided into two groups: normal sacrum (n = 31) and dysmorphic sacrum (n = 27). A single orthopedic surgeon operated on all patients, with percutaneous placement of iliosacral screws under the guidance of axial view projection of the S1 pedicle...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28794914/hyperphosphatasia-with-mental-retardation-syndrome-due-to-a-novel-mutation-in-pgap3
#14
Sheela Nampoothiri, Malavika Hebbar, Arun Grace Roy, Sheena P Kochumon, Stephanie Bielas, Anju Shukla, Katta M Girisha
Hyperphosphatasia with mental retardation syndrome is a heterogeneous genetic condition. Two siblings aged 5 years and 3 years were evaluated for global development delay and facial dysmorphism. A novel missense variant, c.851A>G (p.H284R, NM_033419.3), in PGAP3 was identified using whole-exome sequencing. Assays for elevated alkaline phosphatase and exome sequencing can be useful for the diagnosis of hyperphosphatasia with mental retardation syndrome.
September 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/28794912/sensorineural-hearing-loss-in-a-patient-affected-by-congenital-cytomegalovirus-infection-is-it-useful-to-identify-comorbid-pathologies
#15
P Fontana, D Melis, A D'Amico, G Cappuccio, G Auletta, P Vassallo, R Genesio, L Nitsch, W Buffolano
Sensorineural hearing loss (SNHL) is a common defect with a multifactorial etiology. Congenital cytomegalovirus infection (cCMV) is the most common infectious cause, and its early detection allows a prompt pharmacological treatment that can improve hearing prognosis. In a consistent percentage of profound SNHL, genetic causes and/or inner ear malformations are involved; their prompt diagnosis might change therapeutic options. This study reports a case of a 3- year-old female patient with symptomatic cCMV infection who also exhibits developmental delay, dysmorphic facial features, bilateral hearing loss, and cochlear incomplete partition, type 2, in 7q21...
September 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/28794908/unusual-de-novo-partial-trisomy-17p12p11-2-due-to-unbalanced-insertion-into-5p13-1-in-a-severely-affected-boy
#16
Luis Alberto Mendez-Rosado, Araceli Lantigua, Juan Galarza, Ahmed B Hamid Al-Rikabi, Monika Ziegler, Thomas Liehr
Gain of copy numbers can be due to different chromosomal rearrangements such as direct or indirect duplications, translocations, small supernumerary marker chromosomes, or insertions. In a 3-year-old boy with dysmorphic features and developmental delay, chromosome analyses revealed a derivative chromosome 5. Microdissection and reverse fluorescence in situ hybridization identified the in 5p13.1 inserted part as 17p12-p11.2 material. Thus the patient suffered from a rare combination of genomic disorder, that is, Charcot-Marie-Tooth disease type 1A and Potocki-Lupski syndrome...
September 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/28791792/the-role-of-feared-possible-selves-in-obsessive-compulsive-and-related-disorders-a-comparative-analysis-of-a-core-cognitive-self-construct-in-clinical-samples
#17
Frederick Aardema, Richard Moulding, Gabriele Melli, Adam S Radomsky, Guy Doron, Jean-Sebastien Audet, Magali Purcell-Lalonde
Increasingly, cognitive-behavioural models have been considering the role of beliefs about the self in the development and maintenance of obsessive-compulsive disorder (OCD), including sensitive domains of self-concept and feared self-perceptions. This has led to the development of the Fear of Self Questionnaire (FSQ; Aardema et al., ), which has shown strong internal consistency, divergent and convergent validity, and found to be a major predictor of unwanted thoughts and impulses (i.e., repugnant obsessions)...
August 9, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/28791577/-barbie-doll-syndrome-a-case-report-of-body-dysmorphic-disorder
#18
Maria Gruber, Rebecca Jahn, Karin Stolba, Michael Ossege
BACKGROUND: This case report aims to present a 37-year-old women striving to shape her body like a Barbie doll of which she has been fascinated since childhood. She could hardly tolerate any deviation from this beauty ideal. She has been admitted to the psychosomatic ward due to an eating disorder. METHODS: The ICD-10 and DSM-5 criteria were established for axis I disorders and the German version of the SCID II interview (for DSM-4) was applied for axis II disorders...
August 8, 2017: Neuropsychiatrie: Klinik, Diagnostik, Therapie und Rehabilitation
https://www.readbyqxmd.com/read/28781842/rare-form-of-autosomal-dominant-familial-cornelia-de-lange-syndrome-due-to-a-novel-duplication-in-smc3
#19
Elena Infante, Gorka Alkorta-Aranburu, Areeg El-Gharbawy
Clinical features are variable in patients with Cornelia de Lange syndrome (CdLS). Milder forms exist with structural maintenance of chromosomes 3 (SMC3) mutations. Inherited milder forms of CdLS are uncommon and may be missed if genetic testing is limited to Nipped-B-like protein (NIPBL) and SMC1A. Parental studies should be pursued if there is a history of learning disabilities and/or dysmorphic features.
August 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28777848/-phenotypic-and-genetic-analysis-of-four-patients-with-13q33-q34-microdeletion
#20
Huanhuan Wang, Bing Xiao, Xing Ji, Jingmin Zhang, Ying Cao, Lin Ni, Hui Ye, Lixiao Shen
OBJECTIVE: To explore the correlation between 13q33-q34 microdeletion and clinical phenotype. METHODS: Routine chromosomal banding was performed to analyze the karyotype, while array-based comparative genomic hybridization (aCGH array) and single nucleotide polymorphism array(SNP array) were employed to investigate the genome copy number variations. RESULTS: The karyotype of patient 1 was 46, XY, 9qh+,13qs. Patient 2 showed 46, XX, der (13)...
August 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
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