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https://www.readbyqxmd.com/read/28938685/a-case-control-study-of-the-association-between-the-egfr-gene-and-glioma-risk-in-a-chinese-han-population
#1
Mengdan Yan, Jingjie Li, Na He, Xugang Shi, Shuli Du, Bin Li, Tianbo Jin
The Epidermal Growth Factor Receptor gene has been reported to be involved in the progression of gliomas which is one of the deadliest primary brain tumors in humans. To determine potential association between EGFR and glioma risk, we performed a case-control study with 394 glioma patients and 298 cancer-free controls in which captured a total of 8 tag single nucleotide polymorphisms of EGFR gene from Xi'an, China. SPSS 19.0 statistical packages, χ(2) test, genetic model analysis and SHEsis software platform were analyzed s the variants in EGFR gene associations with glioma risk...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938665/meta-analysis-of-the-association-of-the-cyp2j2-g-50t-polymorphism-with-coronary-artery-disease
#2
Jian Chen, Dong-Fei Wang, Guo-Dong Fu, Jie Ding, Lei-Yang Chen, Jia-Lan Lv, Juan Fang, Xiang Yin, Xiao-Gang Guo
The association of the CYP2J2 G-50T polymorphism with coronary artery disease has been explored, but the results remain controversial. Thus, a meta-analysis was conducted to provide a comprehensive estimate of this association. We selected ten articles encompassing 12 independent case-control studies with 7063 cases and 10,453 controls for this meta-analysis. Overall, we found significant associations between the CYP2J2 G-50T polymorphism and coronary artery disease risk in three genetic models (allele model: odds ratio (OR) = 1...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28937085/galloway-mowat-syndrome-unusual-form-of-nephrotic-syndrome-in-adolescent
#3
G Diwakar Naidu, Pathapati Deepthi, K RajaKarthik, S Sriram, G Swarnalatha, T Gangadhar
Galloway-Mowat syndrome (GMS), also acknowledged as Microcephaly-Hiatal hernia nephrotic syndrome, is an uncommon genetic disorder inherited as an autosomal recessive trait usually seen before two years of life. It is an exceptional multisystem genetic disorder with a collection of skeletal, neurological, facial, gastrointestinal, growth, and renal abnormalities. This case report describes GMS in a girl, suffering from developmental delay, stunted growth, and various dysmorphic features, in whom nephrotic syndrome became apparent at adolescent age...
September 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28937083/infantile-cystinosis-from-dialysis-to-renal-transplantation
#4
Manel Jellouli, Meriem Ferjani, Kamel Abidi, Chokri Zarrouk, Jaouida Abdelmoula, Tahar Gargah
Cystinosis is an autosomal recessive, lysosomal storage disease characterised by the accumulation of the amino acid cystine in different organs and tissues. It is a multisystemic disease that can present with renal and extra-renal manifestations. In this report, we present the first case of transplanted nephropathic cystinosis in a Tunisian child. A 4-year-old Tunisian boy born to nonconsanguineous parents, was treated in our medical services in 1990 for cystinosis. Since the age of five months, he developed symptoms of severe weight loss, vomiting, dehydration, and polyuria...
September 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28937031/a-novel-agrn-mutation-leads-to-congenital-myasthenic-syndrome-only-affecting-limb-girdle-muscle
#5
Ying Zhang, Yi Dai, Jing-Na Han, Zhao-Hui Chen, Li Ling, Chuan-Qiang Pu, Li-Ying Cui, Xu-Sheng Huang
BACKGROUND: Congenital myasthenic syndromes (CMSs) are a group of clinically and genetically heterogeneous disorders caused by impaired neuromuscular transmission. The defect of AGRN was one of the causes of CMS through influencing the development and maintenance of neuromuscular transmission. However, CMS reports about this gene mutation were rare. Here, we report a novel homozygous missense mutation (c.5302G>C) of AGRN in a Chinese CMS pedigree. METHODS: We performed a detailed clinical assessment of a Chinese family with three affected members...
October 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28937030/a-de-novo-mutation-in-dystrophin-causing-muscular-dystrophy-in-a-female-patient
#6
Hao Yu, Yu-Chao Chen, Gong-Lu Liu, Zhi-Ying Wu
BACKGROUND: Duchenne muscular dystrophy (DMD) and Becker muscular dystrophy (BMD) are X-linked recessive neuromuscular diseases resulting from dystrophin (DMD) gene mutations. It has been known that the carrier of DMD mutations may also have symptoms of the disease. While de novo mutation is quite common in BMD/DMD patients, it is rarely reported in the female carriers. METHODS: Two sporadic Chinese patients with progressive muscular dystrophy and their familial members were recruited...
October 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28935761/impact-of-tnf-308-g-a-rs1800629-gene-polymorphism-in-modulation-of-leprosy-risk-a-reappraise-meta-analysis-of-14-case-control-studies
#7
Mohammed Y Areeshi, Raju K Mandal, Sajad Ahmad Dar, Arshad Jawed, Mohd Wahid, Mohtashim Lohani, Aditya K Panda, B N Mishra, Naseem Akhter, Shafiul Haque
Purpose: Earlier studies have shown that tumor necrosis factor ( TNF ) -308 G>A (rs1800629) gene polymorphism is implicated in the susceptibility to leprosy, but results were inconsistent. Methods: A meta-analysis of 14 studies involving 3327 leprosy cases and 3203 controls was performed to appraise the association of TNF -308 G>A polymorphism with leprosy using MEDLINE (PUBMED), EMBASE, and Google Scholar web-databases. Results: Overall, no significant association was observed in allelic (A vs. G: p=0...
September 21, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28935411/-an-atypical-case-of-lipoid-proteinosis
#8
Xavier Grimaux, Rida El Ayoubi, Magalie Rabin, Ludovic Martin, Dominique Bonneau, Frédérique Bouyx, Emmanuelle Blanchard, Anne Croue, Quentin Breton
The lipoid proteinosis is a rare autosomic recessive genodermatosis characterized histologically by deposits of hyaline-like eosinophilic material of characteristic distribution. We herein report the case of a 56-year-old man admitted for progressive aggravated dementia associated with a late-onset dysphonia. Histologic examination of cutaneous and laryngeal biopsies showed deposits of an amorphous and eosinophilic material arranged around vessels, and adnexal structures, stained by PAS and congo red negative...
September 18, 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28935336/transverse-pericardial-sinus-closure-in-acute-type-a-aortic-dissection-operation
#9
Liang-Wan Chen, Xi-Jie Wu, Xiao-Fu Dai
In operations for acute type A aortic dissection with open technique in elderly patients and patients with long-term treatment of anticoagulation, the transverse pericardial sinus was routinely closed before the graft implantation. With the aid of both a bovine pericardial patch covering the pericardial recess between the superior caval vein and the pulmonary artery and an opening in the left inner side of the superior caval vein, this prophylactic transverse pericardial sinus closure could make autotransfusion of blood loss into the central venous system possible to deal with the diffuse oozing from the suture line...
October 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28934591/combining-traditional-mutagenesis-with-new-high-throughput-sequencing-and-genome-editing-to-reveal-hidden-variation-in-polyploid-wheat
#10
Cristobal Uauy, Brande B H Wulff, Jorge Dubcovsky
Induced mutations have been used to generate novel variation for breeding purposes since the early 1900s. However, the combination of this old technology with the new capabilities of high-throughput sequencing has resulted in powerful reverse genetic approaches in polyploid crops. Sequencing genomes or exomes of large mutant populations can generate extensive databases of mutations for most genes. These mutant collections, together with genome editing, are being used in polyploid species to combine mutations in all copies of a gene (homoeologs), and to expose phenotypic variation that was previously hidden by functional redundancy among homoeologs...
September 20, 2017: Annual Review of Genetics
https://www.readbyqxmd.com/read/28934391/homozygous-kidins220-loss-of-function-variants-in-fetuses-with-cerebral-ventriculomegaly-and-limb-contractures
#11
I-L Mero, H H Mørk, Y Sheng, A Blomhoff, G L Opheim, Aa Erichsen, M D Vigeland, K K Selmer
Heterozygous mutations in KIDINS220 were recently suggested a cause of spastic paraplegia, intellectual disability, nystagmus and obesity. All patients carried terminal nonsense de novo mutations that seemed to escape nonsense-mediated mRNA decay. The mechanism for pathogenicity is yet unexplained, as it seems that heterozygous loss-of-function variants of KIDINS220 are generally well tolerated. We present a consanguineous couple who experienced four pregnancy terminations due to repeated findings in the fetuses comprising enlarged cerebral ventricles and limb contractures...
October 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28934386/expression-of-the-neuropathy-associated-mtmr2-gene-rescues-mtm1-associated-myopathy
#12
Matthieu A Raess, Belinda S Cowling, Dimitri L Bertazzi, Christine Kretz, Bruno Rinaldi, Jean-Marie Xuereb, Pascal Kessler, Norma B Romero, Bernard Payrastre, Sylvie Friant, Jocelyn Laporte
Myotubularins (MTMs) are active or dead phosphoinositides phosphatases defining a large protein family conserved through evolution and implicated in different neuromuscular diseases. Loss-of-function mutations in MTM1 cause the severe congenital myopathy called myotubular myopathy (or X-linked centronuclear myopathy) while mutations in the MTM1-related protein MTMR2 cause a recessive Charcot-Marie-Tooth peripheral neuropathy. Here we aimed to determine the functional specificity and redundancy of MTM1 and MTMR2, and to assess their abilities to compensate for a potential therapeutic strategy...
October 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28933692/a-quantitative-hypermorphic-cngc-allele-confers-ectopic-calcium-flux-and-impairs-cellular-development
#13
David M Chiasson, Kristina Haage, Katharina Sollweck, Andreas Brachmann, Petra Dietrich, Martin Parniske
The coordinated control of Ca(2+) signaling is essential for development in eukaryotes. Cyclic nucleotide-gated channel (CNGC) family members mediate Ca(2+) influx from cellular stores in plants(1-4). Here we report the unusual genetic behavior of a quantitative gain-of-function CNGC mutation (brush) in Lotus japonicus resulting in a leaky tetrameric channel. brush resides in a cluster of redundant CNGCs encoding subunits which resemble metazoan voltage-gated potassium (Kv1-Kv4) channels in assembly and gating properties...
September 21, 2017: ELife
https://www.readbyqxmd.com/read/28933415/integrative-systems-biology-investigation-of-fabry-disease
#14
Marco Fernandes, Holger Husi
Fabry disease (FD) is a rare X-linked recessive genetic disorder caused by a deficient activity of the lysosomal enzyme alpha-galactosidase A (GLA) and is characterised by intra-lysosomal accumulation of globotriaosylceramide (Gb3). We performed a meta-analysis of peer-reviewed publications including high-throughput omics technologies including naïve patients and those undergoing enzyme replacement therapy (ERT). This study describes FD on a systems level using a systems biology approach, in which molecular data sourced from multi-omics studies is extracted from the literature and integrated as a whole in order to reveal the biochemical processes and molecular pathways potentially affected by the dysregulation of differentially expressed molecules...
November 15, 2016: Diseases (Basel)
https://www.readbyqxmd.com/read/28933340/renal-histology-and-mri-findings-in-a-%C3%A2-37-year-old-japanese-patient-with-autosomal-recessive-polycystic-kidney-disease%C3%A2
#15
Yusuke Ito, Akinari Sekine, Daisuke Takada, Junko Yabuuchi, Yuta Kogure, Toshiharu Ueno, Keiichi Sumida, Masayuki Yamanouchi, Noriko Hayami, Tatsuya Suwabe, Junichi Hoshino, Naoki Sawa, Kenmei Takaichi, Keiichi Kinowaki, Takeshi Fujii, Kenichi Ohashi, Hiroaki Kikuchi, Shintaro Mandai, Motoko Chiga, Takayasu Mori, Eisei Sohara, Shinichi Uchida, Yoshifumi Ubara
A 37-year-old Japanese man with a serum creatinine level of 2.5 mg/dL and hepatomegaly was admitted to our hospital for investigation of renal failure. Magnetic resonance imaging (MRI) showed hepatomegaly with small cystic lesions that had high signal intensity on T2-weighted images. There was no splenomegaly, and the kidneys were nearly normal in size with a few small cystic lesions. Renal biopsy revealed that interstitial fibrosis and tubular atrophy affected 60% of the cortex. There was cystic tubular dilation, mainly affecting the distal loop of Henle and distal tubules, since immunohistochemical staining of the dilated tubules was positive for cytokeratin 7 and Tamm-Horsfall protein but was negative for aquaporin 3 and CD10...
September 21, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28931644/ufm1-founder-mutation-in-the-roma-population-causes-recessive-variant-of-h-abc
#16
Eline M C Hamilton, Enrico Bertini, Luba Kalaydjieva, Bharti Morar, Dana Dojčáková, Judy Liu, Adeline Vanderver, Julian Curiel, Claudia M Persoon, Daria Diodato, Lorenzo Pinelli, Nathalie L van der Meij, Barbara Plecko, Susan Blaser, Nicole I Wolf, Quinten Waisfisz, Truus E M Abbink, Marjo S van der Knaap
OBJECTIVE: To identify the gene defect in patients with hypomyelination with atrophy of the basal ganglia and cerebellum (H-ABC) who are negative for TUBB4A mutations. METHODS: We performed homozygosity mapping and whole exome sequencing (WES) to detect the disease-causing variant. We used a Taqman assay for population screening. We developed a luciferase reporter construct to investigate the effect of the promoter mutation on expression. RESULTS: Sixteen patients from 14 families from different countries fulfilling the MRI criteria for H-ABC exhibited a similar, severe clinical phenotype, including lack of development and a severe epileptic encephalopathy...
September 20, 2017: Neurology
https://www.readbyqxmd.com/read/28931339/limb-girdle-muscular-dystrophy-type-2i-two-chinese-families-and-a-review-in-asian-patients
#17
Dan-Ni Wang, Zhi-Qiang Wang, Yu-Qing Chen, Guo-Rong Xu, Min-Ting Lin, Ning Wang
BACKGROUND: Limb-girdle muscular dystrophy type 2I (LGMD2I) is an autosomal recessive hereditary disorder caused by mutations in the fukutin-related protein (FKRP) gene. Although the features of the disorder in European patients have been summarized, Asian patients with LGMD2I have rarely been reported. Thus, the clinical differences in LGMD2I between Asian and European patients and the associated genetic changes remain unclear. METHODS: We reported detailed clinical data as well as results from muscle biopsy, muscle MRI and genetic analysis of the FKRP gene in two unrelated Chinese families with LGMD2I...
September 21, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28931170/strengthening-teachers-abilities-to-implement-a-vision-health-program-in-taiwanese-schools
#18
L C Chang, L L Liao, M I Chen, Y Z Niu, P L Hsieh
We designed a school-based, nationwide program called the 'New Era in Eye Health' to strengthen teacher training and to examine whether the existence of a government vision care policy influenced teachers' vision care knowledge and students' behavior. Baseline data and 3-month follow-up data were compared. A random sample of teachers (n = 660) from school vision health clusters in 22 cities/counties in Taiwan were invited to participate in our study and 436 agreed to participate (response rate = 66.1%). The mean age of participant teachers was 41...
October 1, 2017: Health Education Research
https://www.readbyqxmd.com/read/28930289/genetic-signatures-of-variation-in-population-size-in-a-native-fungal-pathogen-after-the-recent-massive-plantation-of-its-host-tree
#19
F Labbé, M C Fontaine, C Robin, C Dutech
Historical fluctuations in forests' distribution driven by past climate changes and anthropogenic activities can have large impacts on the demographic history of pathogens that have a long co-evolution history with these host trees. Using a population genetic approach, we investigated that hypothesis by reconstructing the demographic history of Armillaria ostoyae, one of the major pathogens of the maritime pine (Pinus pinaster), in the largest monospecific pine planted forest in Europe (south-western France)...
September 20, 2017: Heredity
https://www.readbyqxmd.com/read/28929832/cngb3-mutations-cause-severe-rod-dysfunction
#20
J Maguire, M McKibbin, K Khan, S Kohl, M Ali, D McKeefry
PURPOSE: Congenital achromatopsia or rod monochromatism is a rare autosomal recessive condition defined by a severe loss of cone photoreceptor function in which rods purportedly retain normal or near-to-normal function. This report describes the results of electroretinography in two siblings with CNGB3-associated achromatopsia. METHODS: Full field light- and dark-adapted electroretinograms (ERGs) were recorded using standard protocols detailed by the International Society for Clinical Electrophysiology of Vision (ISCEV)...
September 20, 2017: Ophthalmic Genetics
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