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https://www.readbyqxmd.com/read/28441826/-a-childhood-onset-rapid-onset-dystonia-parkinsonism-family-with-atp1a3-gene-mutation-and-literatures-review
#1
C L Zhang, F Yin, F He, N Gai, Z Q Shi, J Peng
Objective: To explore clinical characteristics, treatment, and prognosis of a family with childhood-onset rapid-onset dystonia parkinsonism (RDP) caused by ATP1A3 gene mutation and review literatures. Method: The clinical data of a RDP child, his brother and mother had been analyzed retrospectively. This family was admitted to Xiangya Hospital in January 2016. DNA samples were analyzed by the next-generation sequencing and confirmed by Sanger sequencing. Related literature from PubMed, Online Mendelian Inheritance in Man (OMIM), CNKI and Wanfang databases to date (up to October 2016) with"Rapid-onset dystonia-parkinsonism"RDP"DYT12" as key words was reviewed...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28440597/external-quality-assessment-for-laboratory-testing-of-hla-b-15-02-allele-in-relation-to-carbamazepine-therapy
#2
Guigao Lin, Kuo Zhang, Yanxi Han, Jiehong Xie, Jinming Li
BACKGROUND: Due to the significant risk of developing Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN), the use of carbamazepine is not recommended in patients carrying the human leukocyte antigen B (HLA-B) *15:02 allele. In an effort to guarantee reliable community-based HLA-B*15:02 testing throughout China, a HLA-B*15:02 genotyping external quality assessment (EQA) program was set up. METHODS: In 2016, 10 genomic DNA samples with known HLA-B*15:02 allele status were sent to 37 laboratories from 16 provinces with a request for routine HLA-B*15:02 screening...
April 25, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28412069/whole-exome-sequencing-identifies-biallelic-idh3a-variants-as-a-cause-of-retinitis-pigmentosa-accompanied-by-pseudocoloboma
#3
Laurence H M Pierrache, Adva Kimchi, Rinki Ratnapriya, Lisa Roberts, Galuh D N Astuti, Alexey Obolensky, Avigail Beryozkin, Martha J H Tjon-Fo-Sang, Jose Schuil, Caroline C W Klaver, Ernie M H F Bongers, Lonneke Haer-Wigman, Nicoline Schalij, Martijn H Breuning, Gratia M Fischer, Eyal Banin, Raj S Ramesar, Anand Swaroop, L Ingeborgh van den Born, Dror Sharon, Frans P M Cremers
PURPOSE: To identify the genetic cause of and describe the phenotype in 4 families with autosomal recessive retinitis pigmentosa (arRP) that can be associated with pseudocoloboma. DESIGN: Case series. PARTICIPANTS: Seven patients from 4 unrelated families with arRP, among whom 3 patients had bilateral early-onset macular pseudocoloboma. METHODS: We performed homozygosity mapping and whole-exome sequencing in 5 probands and 2 unaffected family members from 4 unrelated families...
April 12, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28397217/-study-of-two-chinese-families-affected-with-resistant-ovarian-syndrome-resulted-from-novel-mutations-of-fshr-gene
#4
Wen Li, Wenbin He, Lihua Zhou, Xiao Hu, Shuangfei Li, Fei Gong, Yueqiu Tan
OBJECTIVE: To explore the genetic etiology for two Chinese families affected with hypergonadotropic amenorrhea and normal number of antral follicles. METHODS: Peripheral venous blood samples were collected from the families for the extraction of genomic DNA. Mutations of FSHR and LHCGR genes were screened using PCR and Sanger sequencing. Suspected pathogenic mutations were verified in other members of the families. Bioinformatics software and NCBI were used to analyze the pathogenicity of the mutations...
April 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28365451/genetic-analysis-and-literature-review-of-chinese-patients-with-familial-renal-glucosuria-identification-of-a-novel-slc5a2-mutation
#5
Xiaojing Wang, Miao Yu, Tong Wang, Huabing Zhang, Fan Ping, Qian Zhang, Jianping Xu, Kai Feng, Xinhua Xiao
BACKGROUND: Familial renal glucosuria (FRG) is an inherited renal tubular disorder characterized by persistent isolated glucosuria with normal blood glucose. SLC5A2 gene mutation was the causative of FRG. METHODS: Molecular genetic analysis of SLC5A2 gene by Sanger sequencing was conducted in two unrelated non-consanguineous Chinese families with isolated glucosuria. Extensive laboratory test and physical examination were performed. In silico algorithms were used to explore the potential effect of novel mutation on SGLT2 function...
March 29, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28353383/sp174-nras-q61r-mutant-specific-antibody-cross-reacts-with-kras-q61r-mutant-protein-in-colorectal-carcinoma
#6
MULTICENTER STUDY
Jerzy Lasota, Artur Kowalik, Anna Felisiak-Golabek, Shingo Inaguma, Zeng-Feng Wang, Liliana Pięciak, Sebastian Zięba, Rafał Pęksa, Janusz Kopczynski, Krzysztof Okoń, Piotr Waloszczyk, Stanislaw Gozdz, Wojciech Biernat, Markku Miettinen
CONTEXT: - NRAS is a member of the RAS family oncoproteins implicated in cancer. Gain-of-function NRAS mutations were reported in a subset of colorectal cancers. These mutations occur at codons 12, 13, and 61 and are detected by molecular genetic testing. Recently, an antibody (clone SP174) became available to immunohistochemically pinpoint NRAS Q61R mutant protein. In malignant melanoma, NRAS Q61R mutant-specific immunohistochemistry was shown to be a valuable supplement to traditional genetic testing...
April 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28300276/reassessing-the-clinical-spectrum-associated-with-hereditary-leiomyomatosis-and-renal-cell-carcinoma-syndrome-in-french-fh-mutation-carriers
#7
Marie Muller, Sophie Ferlicot, Marine Guillaud-Bataille, Gwénaël Le Teuff, Catherine Genestie, Sophie Deveaux, Abdelhamid Slama, Nicolas Poulalhon, Bernard Escudier, Laurence Albiges, Nadem Soufir, Marie-Françoise Avril, Betty Gardie, Carolina Saldana, Yves Allory, Anne-Paule Gimenez-Roqueplo, Brigitte Bressac-de Paillerets, Stéphane Richard, Patrick R Benusiglio
We addressed uncertainties regarding Hereditary Leiomyomatosis and Renal Cell Carcinoma (HLRCC) by exploring all French cases, representing the largest series to date. Fumarate Hydratase (FH) germline testing was performed with Sanger sequencing and qPCR/MLPA. Enzyme activity was measured when necessary. We carried out whenever possible a pathology review of RCC and S-(2-succino)-cysteine (2SC)/fumarate hydratase immunohistochemistry. We estimated survival using non-parametric Kaplan-Meier. There were 182 cases from 114 families...
March 16, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28298626/gain-of-function-mutation-p-arg225cys-in-scn11a-causes-familial-episodic-pain-and-contributes-to-essential-tremor
#8
Xue-Rong Leng, Xiao-Hong Qi, Yong-Tao Zhou, Yu-Ping Wang
Familial episodic pain is a rare autosomal-dominant disorder characterized by recurrent attacks of pain. The pathogenesis of familial episodic pain is not very clear so far. Essential tremor is the most common movement disorder, but the identification of essential tremor genes has remained elusive. We studied a four-generation Chinese family with early-onset familial episodic pain and adult onset familial essential tremor. All essential tremor diagnoses were confirmed based on a review of the questionnaires, videotaped neurological examinations and was then reconfirmed by a senior neurologist specializing in movement disorders using published criteria...
March 16, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28296734/genetic-anticipation-in-a-special-form-of-hypertrophic-cardiomyopathy-with-sudden-cardiac-death-in-a-family-with-74-members-across-5-generations
#9
Xiying Guo, Chaomei Fan, Yanping Wang, Miao Wang, Chi Cai, Yinjian Yang, Shihua Zhao, Fujian Duan, Yishi Li
Hypertrophic cardiomyopathy (HCM) is the most common heritable heart disease. The genetic anticipation of HCM and its associated etiology, sudden cardiac death (SCD), remains unclear. The aim of this study was to investigate the mechanism underlying the genetic anticipation of HCM and associated SCD.An HCM family including 5 generations and 74 members was studied. Two-dimensional echocardiography was performed to diagnose HCM. The age of onset of HCM was defined as the age at first diagnosis according to hospital records...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28291249/analysis-of-sod1-mutations-in-a-chinese-population-with-amyotrophic-lateral-sclerosis-a-case-control-study-and-literature-review
#10
QianQian Wei, QingQing Zhou, YongPing Chen, RuWei Ou, Bei Cao, YaQian Xu, Jing Yang, Hui-Fang Shang
Although the copper/zinc superoxide dismutase-1 (SOD1) gene has been identified in both familial ALS (FALS) and sporadic ALS (SALS), it has rarely been studied in Chinese patients with ALS, and there are few studies with large samples. This study sought to assess the prevalence of SOD1 mutations in Chinese ALS patients. We screened a cohort of 499 ALS patients (487 SALS and 12 FALS) from the Department of Neurology at the West China Hospital of Sichuan University and analyzed all coding exons of SOD1 by Sanger sequencing...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28273706/-multiple-congenital-anomalies-hypotonia-seizures-syndrome-1-case-report-and-review-of-literature
#11
Y F Xu, N Li, G Q Li, X M Wang, Y F Zhou, L Yin, J Wang
Objective: To analyze and summarize the clinical and molecular characteristics of the patients with multiple congenital anomalies- hypotonia-seizures syndrome 1 (MCAHS 1). Method: Clinical data and test results were collected from a patient who was diagnosed with confirmed genetic basis of MCAHS 1 in Shanghai Children's Medical Center since December 2015. The patient and his parents were examined by the next generation sequencing (NGS) technology using peripheral blood genomic DNA, and the relevant mutations identified by NGS were verified with Sanger sequencing...
March 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28182618/the-evolving-landscape-of-hiv-drug-resistance-diagnostics-for-expanding-testing-in-resource-limited-settings
#12
Seth C Inzaule, Raph L Hamers, Roger Paredes, Chunfu Yang, Rob Schuurman, Tobias F Rinke de Wit
Global scale-up of antiretroviral treatment (ART) has dramatically changed the prospects of HIV/AIDS disease rendering life-long chronic care and treatment a reality for millions of HIV-infected patients. Affordable technologies to monitor ART are needed to ensure long-term durability of limited available drug regimens. HIV drug resistance tests can complement existing strategies in optimizing clinical decision-making for patients with treatment failure, in addition to facilitating population-based surveillance of HIV drug resistance...
February 9, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28173653/-coenzyme-q-10-treatment-for-one-child-with-coq6-gene-mutation-induced-nephrotic-syndrome-and-literature-review
#13
Q Cao, G M Li, H Xu, Q Shen, L Sun, X Y Fang, H M Liu, W Guo, Y H Zhai, B B Wu
Objective: To summarize the clinical manifestation and molecular characteristics of COQ6 mutation induced nephrotic syndrome, and to evaluate efficacy of CoQ(10) therapy. Method: Clinical data of the case with infantile nephrotic syndrome was summarized, including clinical manifestations, laboratory findings and family investigation. The patient received CoQ(10) 30 mg/(kg·d) therapy. Urine protein/creatinine ratio, serum albumin and creatinine were detected to assess the efficacy of the therapy. Result: (1) The 10 months old boy was presented with nephrotic level proteinuria and hypoalbuminemia...
February 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28159677/clinicopathological-and-molecular-features-of-a-large-cohort-of-gastrointestinal-stromal-tumors-gists-and-review-of-the-literature-braf-mutations-in-kit-pdgfra-wild-type-gists-are-rare-events
#14
REVIEW
Sebastian Huss, Helen Pasternack, Michaela Angelika Ihle, Sabine Merkelbach-Bruse, Birthe Heitkötter, Wolfgang Hartmann, Marcel Trautmann, Heidrun Gevensleben, Reinhard Büttner, Hans-Ulrich Schildhaus, Eva Wardelmann
In KIT/PDGFRA wild-type gastrointestinal stromal tumors (wt-GISTs), BRAF mutations are regarded as alternative pathogenic events driving tumorigenesis. In our study, we aimed at analyzing a large cohort (n=444) of GISTs for BRAF mutations using molecular and immunohistochemical methods. More than 3000 GIST samples from caucasian patients were available in our GIST and Sarcoma Registry NRW. Of these, we selected 172 wt-GISTs to evaluate the frequency of BRAF mutations. Furthermore, 272 GISTs with a representative KIT and PDGFRA mutational status were selected...
April 2017: Human Pathology
https://www.readbyqxmd.com/read/28131193/the-heterozygous-r1441c-mutation-of-leucine-rich-repeat-kinase-2-gene-in-a-chinese-patient-with-parkinson-disease-a-five-year-follow-up-and-literatures-review
#15
Fang Peng, Yi-Min Sun, Chen Chen, Su-Shan Luo, Da-Ke Li, Yi-Xuan Wang, Ke Yang, Feng-Tao Liu, Chuan-Tao Zuo, Zheng-Tong Ding, Yu An, Jian-Jun Wu, Jian Wang
BACKGROUND: Leucine-rich repeat kinase 2 gene (LRRK2) was recognized associated with both familial and sporadic Parkinson Disease (PD). Seven missense mutations (G2019S, R1441C, R1441G, R1441H, Y1699C, I2020T, N1437H) of it have been confirmed disease- causing. They were common among Caucasian PD patients, but rarely reported in Asian, especially in Chinese Han population. OBJECTIVES: We aimed to identify the frequencies of these seven mutations of LRRK2 in Chinese early-onset PD (EOPD) patients and analyze the phenotypes...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28105149/t-14-18-q32-q21-in-chronic-lymphocytic-leukemia-patients-report-of-two-cases-and-a-literature-review
#16
Weifeng Chen, Yi Miao, Rong Wang, Yujie Wu, Hairong Qiu, Wei Xu, Jianyong Li, Lei Fan, Xin Xu
The chromosomal abnormality t(14;18)(q32;q21) is most commonly associated with germinal center-derived B-cell lymphomas, particularly follicular lymphoma (FL). Generally, it is considered a hallmark of FL. The t(14;18)(q32;q21) translocation is rare in chronic lymphocytic leukemia (CLL) and its prognostic significance remains unclear. In the present study, two cases of CLL with t(14;18)(q32;q21) were diagnosed using conventional cytogenetic analysis and fluorescence in situ hybridization. Both patients presented with leukemia and the morphological features and immunophenotypes were typical of CLL...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28101802/cold-pcr-technologies-in-the-area-of-personalized-medicine-methodology-and-applications
#17
REVIEW
Florence Mauger, Alexandre How-Kit, Jörg Tost
Somatic mutations bear great promise for use as biomarkers for personalized medicine, but are often present only in low abundance in biological material and are therefore difficult to detect. Many assays for mutation analysis in cancer-related genes (hotspots) have been developed to improve diagnosis, prognosis, prediction of drug resistance, and monitoring of the response to treatment. Two major approaches have been developed: mutation-specific amplification methods and methods that enrich and detect mutations without prior knowledge on the exact location and identity of the mutation...
January 18, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28100407/pressure-ulcer-reconstruction-in-patients-with-heterotopic-ossification-after-spinal-cord-injury-a-case-series-and-review-of-literature
#18
REVIEW
Kai Yang, Alexander Graf, James Sanger
Heterotopic ossification (HO) is widely recognized as a common occurrence among patients suffering from traumatic spinal cord injuries (SCI). The exact etiology of HO formation remains unknown. Published medical and surgical management strategies are often plagued with questionable effectiveness and frequent complications. There are minimal publications regarding the management strategies of HO in SCI patients as it pertains to plastic surgery. We present a case series of patients treated at our institution who underwent treatment for pressure ulcers with underlying HO to highlight the vast spectrum of clinical phenotypes present in this population...
April 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28092281/renal-tubular-acidosis
#19
Fernando Santos, Helena Gil-Peña, Silvia Alvarez-Alvarez
PURPOSE OF REVIEW: To facilitate the understanding and knowledge of renal tubular acidosis by providing a summarized information on the known clinical and biochemical characteristics of this group of diseases, by updating the genetic and molecular bases of the primary forms renal tubular acidosis and by examining some issues regarding the diagnosis of distal renal tubular acidosis (RTA) in the daily clinical practice. RECENT FINDINGS: The manuscript presents recent findings on the potential of next-generation sequencing to disclose new pathogenic variants in patients with a clinical diagnosis of primary RTA and negative Sanger sequencing of known genes...
April 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28065771/risk-factors-for-30-day-readmission-in-adults-with-sickle-cell-disease
#20
Max A Brodsky, Mark Rodeghier, Maureen Sanger, Jeannie Byrd, Brandi McClain, Brittany Covert, Dionna O Roberts, Karina Wilkerson, Michael R DeBaun, Adetola A Kassim
BACKGROUND: Readmission to the hospital within 30 days is a measure of quality care; however, only few modifiable risk factors for 30-day readmission in adults with sickle cell disease are known. METHODS: We performed a retrospective review of the medical records of adults with sickle cell disease at a tertiary care center, to identify potentially modifiable risk factors for 30-day readmission due to vasoocclusive pain episodes. A total of 88 patients ≥18 years of age were followed for 3...
January 5, 2017: American Journal of Medicine
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