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https://www.readbyqxmd.com/read/28101780/update-of-the-spectrum-of-mucopolysaccharidoses-type-iii-in-tunisia-identification-of-three-novel-mutations-and-in-silico-structural-analysis-of-the-missense-mutations
#1
Souad Ouesleti, Maria Francisca Coutinho, Isaura Ribeiro, Abdehedi Miled, Dalila Saidane Mosbahi, Sandra Alves
BACKGROUND: Mucopolysaccharidoses type III (MPS III) are a group of autosomal recessive lysosomal storage diseases, caused by mutations in genes that code for enzymes involved in the lysosomal degradation of heparan sulphate: heparan sulfate sulfamidase (SGSH), α-N-acetylglucosaminidase (NAGLU), heparan sulfate acetyl-CoA: α-glucosaminide N-acetyltransferase (HGSNAT), and N-acetylglucosamine-6-sulfatase (GNS). METHODS: In this study, we have performed the molecular analysis of the SGSH, NAGLU and HGSNAT genes in 10 patients from 6 different MPS III Tunisian families...
January 19, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28100178/a-retinopathy-in-young-patient-with-co-inheritance-of-heterozygous-alpha%C3%A2-%C3%A2-thalassemia-and-sickle-trait-a-case-report
#2
Zohra Ouzzif, Aissam El Maataoui, Zeinab Traore, Asmae Biaz, Samira El Machtani, Abdellah Dami, Sanae Bouhsain, Nezha Messaoudi, Fatiha Benchrifa
BACKGROUND: The retinopathy is an uncommon complication in individuals with sickle cell trait except for the cases of sickle cell trait associated with systemic arterial hypertension, diabetes mellitus, syphilis, tuberculosis and sarcoidosis. CASE PRESENTATION: A retinopathy in a 16 year-old child with no history of consanguinity in the parents revealed a sickle S trait associated to heterozygous alpha thalassemia. His mother has Sickle cell anaemia (Hb SS) and his father is a carrier of heterozygous alpha-thalassemia status that it was unknown before...
January 18, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28097321/diagnostic-yield-and-novel-candidate-genes-by-exome-sequencing-in-152-consanguineous-families-with-neurodevelopmental-disorders
#3
Miriam S Reuter, Hasan Tawamie, Rebecca Buchert, Ola Hosny Gebril, Tawfiq Froukh, Christian Thiel, Steffen Uebe, Arif B Ekici, Mandy Krumbiegel, Christiane Zweier, Juliane Hoyer, Karolin Eberlein, Judith Bauer, Ute Scheller, Tim M Strom, Sabine Hoffjan, Ehab R Abdelraouf, Nagwa A Meguid, Ahmad Abboud, Mohammed Ayman Al Khateeb, Mahmoud Fakher, Saber Hamdan, Amina Ismael, Safia Muhammad, Ebtessam Abdallah, Heinrich Sticht, Dagmar Wieczorek, André Reis, Rami Abou Jamra
Importance: Autosomal recessive inherited neurodevelopmental disorders are highly heterogeneous, and many, possibly most, of the disease genes are still unknown. Objectives: To promote the identification of disease genes through confirmation of previously described genes and presentation of novel candidates and provide an overview of the diagnostic yield of exome sequencing in consanguineous families. Design, Setting, and Participants: Autozygosity mapping in families and exome sequencing of index patients were performed in 152 consanguineous families (the parents descended from a same ancestor) with at least 1 offspring with intellectual disability (ID)...
January 11, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28095295/hematopoietic-stem-cell-transplantation-corrects-osteopetrosis-in-a-child-carrying-a-novel-homozygous-mutation-in-the-fermt3-gene
#4
Eleonora Palagano, Mary A Slatter, Paolo Uva, Ciro Menale, Anna Villa, Mario Abinun, Cristina Sobacchi
Osteopetrosis (OPT) is a rare skeletal disorder with phenotypic and genotypic heterogeneity: a variety of clinical features besides the bony defect may be present, and at least ten different genes are known to be involved in the disease pathogenesis. In the framework of this heterogeneity, we report the clinical description of a neonate, first child of consanguineous parents, who had osteoclast-rich osteopetrosis and bone marrow failure in early life, but no other usual classical features of infantile malignant OPT, such as visual or hearing impairments...
January 14, 2017: Bone
https://www.readbyqxmd.com/read/28087083/-isolated-microspherophakia-in-a-senegalese-family
#5
P A Ndoye Roth, S A Toure, H Kane, A S Sow, A M Wane, J M Ndiaye, A M Ka, J P Diagne, H M Diallo, M E Demedeiros Quenum, M Nguer, E A Ba, P A Ndiaye, M R Ndiaye
PURPOSE: To report the clinical investigation of isolated microspherophakia involving a Senegalese family in order to appreciate its functional impact. OBSERVATIONS: This is a rural family comprised of 7 members. The sibship included three girls and two boys. One of the girls, who lived in a distant zone, was unable to be examined. Of all the examined members of the family, only the father was unaffected by the illness. There was no consanguinity. The general medical examination was normal...
January 10, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28078312/biallelic-scn10a-mutations-in-neuromuscular-disease-and-epileptic-encephalopathy
#6
Marios Kambouris, Julien Thevenon, Ariane Soldatos, Allison Cox, Joshi Stephen, Tawfeg Ben-Omran, Yasser Al-Sarraj, Hala Boulos, William Bone, James C Mullikin, Alice Masurel-Paulet, Judith St-Onge, Yannis Dufford, Corrine Chantegret, Christel Thauvin-Robinet, Jamil Al-Alami, Laurence Faivre, Jean Baptiste Riviere, William A Gahl, Alexander G Bassuk, May Christine V Malicdan, Hatem El-Shanti
OBJECTIVES: Two consanguineous families, one of Sudanese ethnicity presenting progressive neuromuscular disease, severe cognitive impairment, muscle weakness, upper motor neuron lesion, anhydrosis, facial dysmorphism, and recurrent seizures and the other of Egyptian ethnicity presenting with neonatal hypotonia, bradycardia, and recurrent seizures, were evaluated for the causative gene mutation. METHODS AND RESULTS: Homozygosity mapping and whole exome sequencing (WES) identified damaging homozygous variants in SCN10A, namely c...
January 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/28075030/erythropoietic-protoporphyria-epp-a-clinical-and-molecular-study-from-lebanon-ferrochelatase-a-potential-tumor-suppressor-gene-in-colon-cancer
#7
Humam Kadara, Georges Nemer, Remi Safi, Nelly Rebeiz, Laetitia Daou, Diana Delbani, Waed Btadini, Ossama Abbas, Mona Tofaili, Fadi Bitar, Abdul Ghani Kibbi, Yutaka Shimomura, Mazen Kurban
Erythropoietic protoporphyria (EPP) is a rare cutaneous and systemic disease caused by mutations in the ferrochelatase gene (FECH). The molecular underpinnings of EPP in Middle Eastern populations and relative to other ethnic groups secondary to increased consanguinity are unknown. To understand the molecular pathogenesis of Middle Eastern EPP, we surveyed clinicopathological and molecular features in six large consanguineous families from Lebanon and Syria presenting with cutaneous and systemic features consistent with EPP...
January 11, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28073829/dutpase-dut-is-mutated-in-a-novel-monogenic-syndrome-with-diabetes-and-bone-marrow-failure
#8
Reinaldo Sousa Dos Santos, Mathilde Daures, Anne Philippi, Sophie Romero, Lorella Marselli, Piero Marchetti, Valérie Senée, Delphine Bacq, Céline Besse, Baz Baz, Laura Marroquí, Sarah Ivanoff, Julien Masliah-Planchon, Marc Nicolino, Jean Soulier, Gérard Socié, Decio L Eizirik, Jean-François Gautier, Cécile Julier
We describe a new syndrome characterized by early onset diabetes mellitus, associated with bone marrow failure affecting mostly the erythrocytic lineage. Using whole exome sequencing in a remotely consanguineous patient from a family with two affected siblings, we identified a single homozygous missense mutation (chr15.hg19:g.48,626,619A>G) located in the dUTPase (DUT) gene (NCBI Gene ID: 1854), affecting both the mitochondrial (DUT-M p.Y142C) and the nuclear (DUT-N p.Y54C) isoforms. We found the same homozygous mutation in an unrelated consanguineous patient with diabetes and bone marrow aplasia from a family with two affected siblings, while none of the >60,000 subjects from the Exome Aggregation Consortium (ExAC) was homozygous for this mutation...
January 10, 2017: Diabetes
https://www.readbyqxmd.com/read/28072961/-a-case-report-of-childhood-farber-s-disease-and-literature-review
#9
X H Bao, J M Tian, T Y Ji, X Z Chang
Objective: To explore the clinical features, diagnosis, treatment and the prognosis of Farber disease by case report and literature review. Method: The clinical information of a case with farber's disease diagnosed in October 2015 at Peking University First Hospital was collected and analyzed, including clinical manifestation, electrophysiology, magnetic resonance imaging, pathology, treatments and prognosis.ASAH1 gene mutational analysis was conducted in the patient and her parents.By using "Farber's disease, ASAH1" as keywords, literature was searched from Pubmed, CHKD and HGMD database from January 1951 to January 2016...
January 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28072960/-novel-compound-heterozygous-tbc1d24-mutations-in-a-boy-with-infantile-focal-myoclonic-epilepsy-and-literature-review
#10
W H Li, S Z Zhou, L M Zhang, X H Wang, Y J Zhang, B B Wu, H J Wang, H W Yang
Objective: To investigate the clinical features and genetic characteristics of patients with TBC1D24 gene mutations. Method: The clinical data of a patient with novel TBC1D24 compound heterozygous mutations from Children's Hospital of Fudan University were collected, the related literature was searched from China National Knowledge Infrastructure, Wanfang Data Knowledge Service Platform, National Center from Biotechnology Information and Pubmed (up to April 2016) by using search terms "TBC1D24" "epilepsy" ...
January 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28070732/the-clinical-and-laboratory-spectrum-of-dedicator-of-cytokinesis-8-immunodeficiency-syndrome-in-patients-with-a-unique-mutation
#11
Arnon Broides, Amarilla B Mandola, Jacov Levy, Baruch Yerushalmi, Vered Pinsk, Michal Eldan, George Shubinsky, Nurit Hadad, Rachel Levy, Amit Nahum, Miriam Ben-Harosh, Atar Lev, Amos Simon, Raz Somech
Mutations in the dedicator of cytokinesis 8 (DOCK8) gene cause a combined immunodeficiency usually diagnosed as autosomal recessive hyper IgE syndrome. We sought to reveal the varying manifestations in patients with a unique mutation in DOCK8 gene by a retrospective medical record review. Ten patients from five consanguineous families and three tribes were included. Seven patients were homozygous for the c.C5134A, p.S1711X mutation, and the remaining three patients were their siblings manifesting hyper IgE syndrome features without a genetic diagnosis...
January 10, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28067622/a-homozygous-fitm2-mutation-causes-a-deafness-dystonia-syndrome-with-motor-regression-and-signs-of-ichthyosis-and-sensory-neuropathy
#12
Celia Zazo Seco, Anna Castells-Nobau, Seol-Hee Joo, Margit Schraders, Jia Nee Foo, Monique van der Voet, S Sendhil Velan, Bonnie Nijhof, Jaap Oostrik, Erik de Vrieze, Radoslaw Katana, Atika Mansoor, Martijn Huynen, Radek Szklarczyk, Martin Oti, Lisbeth Tranebjærg, Erwin van Wijk, Jolanda M Scheffer-de Gooyert, Saadat Siddique, Jonathan Baets, Peter de Jonghe, Syed Ali Raza Kazmi, Suresh Anand Sadananthan, Bart P van de Warrenburg, Chiea Chuen Khor, Martin C Göpfert, Raheel Qamar, Annette Schenck, Hannie Kremer, Saima Siddiqi
A consanguineous family from Pakistan was ascertained with a novel deafness-dystonia syndrome with motor regression, ichthyosis-like features and signs of sensory neuropathy. By applying a combined strategy of linkage analysis and whole-exome sequencing in the presented family, a homozygous nonsense mutation, c.4G>T (p.Glu2*), in FITM2 was identified. FITM2 and its paralog FITM1 constitute an evolutionary conserved protein family involved in partitioning of triglycerides into cellular lipid droplets. Despite the role of FITM2 in neutral lipid storage and metabolism, no indications for lipodystrophy were observed in the affected individuals...
December 15, 2016: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28067193/the-causal-relationship-between-consanguineous-marriages-and-infant-mortality-in-turkey
#13
Ismet Koç, Mehmet Ali Eryurt
No abstract text is available yet for this article.
January 9, 2017: Journal of Biosocial Science
https://www.readbyqxmd.com/read/28064265/a-novel-truncation-mutation-in-atp8b1-gene-in-progressive-familial-intrahepatic-cholestasis
#14
Anjali Sharma, Ujjal Poddar, Shikha Agnihotry, Rakesh Aggarwal
BACKGROUND: Progressive familial intrahepatic cholestasis has been only infrequently reported from India. CASE CHARACTERISTICS: An Indian girl with progressive cholestatic liver disease beginning during infancy, normal gamma-glutamyl transpeptidase levels, parental consanguinity, positive family history and a fatal outcome. OBSERVATION: A novel, homozygous mutation (c.[589_592inv;592_593insA]) in ATP8B1 gene, with a markedly truncated protein (p...
December 15, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/28063748/aspartylglucosaminuria-caused-by-a-novel-homozygous-mutation-in-the-aga-gene-was-identified-by-an-exome-first-approach-in-a-patient-from-japan
#15
Toshiyuki Yamamoto, Keiko Shimojima, Mayumi Matsufuji, Ryuichi Mashima, Eri Sakai, Torayuki Okuyama
BACKGROUND: Aspartylglucosaminuria (AGU) is an autosomal recessive lysosomal storage disorder caused by a deficiency of the lysosomal enzyme, aspartylglucosaminidase (AGA). This disorder is rare in the general population except in Finland. Since the most characteristic feature of this disorder is a progressive developmental regression, patients often show no specific symptoms in the initial stages, and thus early diagnosis is often challenging. CASE REPORT: We encountered a 16-year-old boy who began to show difficulties in his speech at the age of 6years...
January 4, 2017: Brain & Development
https://www.readbyqxmd.com/read/28061825/new-cdh3-mutation-in-the-first-spanish-case-of-hypotrichosis-with-juvenile-macular-dystrophy-a-case-report
#16
Fiona Blanco-Kelly, Luciana Rodrigues-Jacy da Silva, Iker Sanchez-Navarro, Rosa Riveiro-Alvarez, Miguel Angel Lopez-Martinez, Marta Corton, Carmen Ayuso
BACKGROUND: CDH3 on 16q22.1 is responsible for two rare autosomal recessive disorders with hypotrichosis and progressive macular dystrophy: Hypotrichosis with Juvenile Macular Dystrophy and Ectodermal Dysplasia, Ectrodactyly and Macular Dystrophy. We present a new case of Hypotrichosis with Juvenile Macular Dystrophy. CASE PRESENTATION: A Spanish male born in 1998 from non-consanguineous healthy parents with a suspected diagnosis of Keratosis Follicularis Spinulosa Decalvans and Retinitis Pigmentosa Inversa referred to our Genetics Department (IIS-Fundación Jiménez Díaz)...
January 7, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28061551/consanguinity-and-the-risk-of-hashimoto-s-thyroiditis
#17
Raja Zaghlol, Alireza Haghighi, Motasem Alkhayyat, Othman Farhan, Amal Owaydah, Mu'taz Massad, Mohammad Atari, Ayman Aref Zayed
BACKGROUND: Hashimoto's thyroiditis (HT) is the most common autoimmune thyroid disease that may lead to hypothyroidism due to progressive destruction of thyroid. The etiology of HT is unclear. However, it is associated with multiple genetic predispositions. Consanguinity has been associated with an increased susceptibility to different inherited conditions. This study, for the first time, investigated the association between consanguinity and risk of HT. METHODS: Using a case-control study design, we compared 298 HT patients with two subject groups; a) 299 participants with non-HT hypothyroidism, and b) 298 healthy control participants...
January 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28058102/prevalence-demographic-characteristics-and-associated-risk-factors-of-malnutrition-among-0-5-aged-children-a-cross-sectional-study-from-van-eastern-turkey
#18
Baran Serdar Kizilyildiz, Bülent Sönmez, Kamuran Karaman, Burhan Beger, Adnan Mercen, Süleyman Alioglu, Yasar Cesur
Malnutrition in childhood is a dramatic indicator of poor socio-economical status worldwide. To recognize and reveal the socio-demographic features is crucial, especially for developing countries. Our aim was to investigate the prevalence and association with sociodemographic variables of malnutrition in 0-5 years old children in Van, Turkey. A total of 702 children are included in this cross-sectional study. Demographic features of subject including age, gender, family characteristics and other data were obtained...
November 17, 2016: Pediatric Reports
https://www.readbyqxmd.com/read/28054173/association-of-ahsg-with-alopecia-and-mental-retardation-apmr-syndrome
#19
M Reza Sailani, Fereshteh Jahanbani, Jafar Nasiri, Mahdiyeh Behnam, Mansoor Salehi, Maryam Sedghi, Majid Hoseinzadeh, Shinichi Takahashi, Amin Zia, Joshua Gruber, Janet Linnea Lynch, Daniel Lam, Juliane Winkelmann, Semira Amirkiai, Baoxu Pang, Shannon Rego, Safoura Mazroui, Jonathan A Bernstein, Michael P Snyder
Alopecia with mental retardation syndrome (APMR) is a very rare autosomal recessive condition that is associated with total or partial absence of hair from the scalp and other parts of the body as well as variable intellectual disability. Here we present whole-exome sequencing results of a large consanguineous family segregating APMR syndrome with seven affected family members. Our study revealed a novel predicted pathogenic, homozygous missense mutation in the AHSG (OMIM 138680) gene (AHSG: NM_001622:exon7:c...
January 4, 2017: Human Genetics
https://www.readbyqxmd.com/read/28051072/novel-homozygous-missense-variant-of-grin1-in-two-sibs-with-intellectual-disability-and-autistic-features-without-epilepsy
#20
Massimiliano Rossi, Nicolas Chatron, Audrey Labalme, Dorothée Ville, Maryline Carneiro, Patrick Edery, Vincent des Portes, Johannes R Lemke, Damien Sanlaville, Gaetan Lesca
We report on two consanguineous sibs affected with severe intellectual disability and autistic features due to a homozygous missense variant of GRIN1. Massive parallel sequencing was performed using a gene panel including 450 genes related to intellectual disability and autism spectrum disorders. We found a homozygous missense variation of GRIN1 (c.679G>C; p.(Asp227His)) in the two affected sibs, which was inherited from both unaffected heterozygous parents. Heterozygous variants of GRIN1, encoding the GluN1 subunit of the NMDA receptor, have been reported in patients with neurodevelopmental disorders including epileptic encephalopathy, severe intellectual disability, and movement disorders...
January 4, 2017: European Journal of Human Genetics: EJHG
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