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carrier screening

Wimonchat Tangamornsuksan, Manupat Lohitnavy
Importance: Dapsone-induced hypersensitivity syndrome (DHS) is a life-threatening adverse drug reaction. Based on available epidemiologic studies, HLA genotypes may play an important role in DHS. Objective: To assess the association between HLA-B*1301 and dapsone-induced cutaneous adverse drug reactions (cADRs). Data Sources: Human studies investigating associations between HLA-B*1301 and dapsone-induced cADRs were systematically searched without language restriction from the inception of each database until September 12, 2017, in PubMed, the Human Genome Epidemiology Network), and the Cochrane Library...
March 14, 2018: JAMA Dermatology
Cao Chun-Li, Hong Qing-Biao, Guo Jing-Ping, Liu Fang, Wang Tian-Ping, Liu Jian-Bin, Chen Lin, Wang Hao, Liang You-Sheng, Guo Jia-Gang
OBJECTIVE: To set up and apply the evaluation standards for photography of schistosomiasis control theme, so as to offer the scientific advice for enriching the health information carrier of schistosomiasis control. METHODS: Through the literature review and expert consultation, the evaluation standard for photography of schistosomiasis control theme was formulated. The themes were divided into 4 projects, such as new construction, natural scenery, working scene, and control achievements...
February 26, 2018: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
Sangeeta Chattoo
This paper engages critically with the global assemblage framing sickle cell and thalassaemia disorders as a 'global health crisis'; and the promise of genomics, largely DNA-based carrier/pre-conceptual screening, prenatal diagnosis with a view to terminations, deployed in framing a solution to these historically racialised spectrum of diseases as essentially preventable. Sickle cell and thalassaemia are recessively inherited, potentially life-threatening haemoglobin disorders with significant variation of severity, often needing life-long treatment...
April 2018: Anthropology & Medicine
M Summa, H Henttonen, L Maunula
Human noroviruses (HuNoVs) are one of the leading global causes of diarrhoeal diseases and are transmitted mainly from person to person but also through contaminated food, water and fomites. The possible zoonotic nature of NoVs has occasionally been discussed, although the viruses are generally considered to be host-species-specific. We investigated whether wild birds and rodents could serve as carriers of HuNoVs, thereby transmitting the virus to humans directly or indirectly by contaminating foods. All samples, 115 avian and 100 rat faeces collected in springs 2009-2013 from dump sites, and 85 faeces from yellow-necked mice trapped in late autumn 2008 and 2009 after the rodents entered human settlements due to the first night frosts, were screened for HuNoV using real-time reverse transcription PCR...
March 12, 2018: Zoonoses and Public Health
Fausto Petrelli, Mariangela Maltese, Gianluca Tomasello, Barbara Conti, Karen Borgonovo, Mary Cabiddu, Mara Ghilardi, Michele Ghidini, Rodolfo Passalacqua, Sandro Barni, Matteo Brighenti
Clinicopathologic and molecular characteristics of non-small-cell lung cancers (NSCLCs) associated with a strong expression of programmed death ligand 1 (PD-L1+ in > 5% of cells) have not been well elucidated. Expression of PD-L1 is a poor prognostic factor, but NSCLCs with higher levels of PD-L1 have greater benefit when treated with immunotherapy. We have performed a systematic review to synthesize the available evidence regarding clinicopathologic and molecular variables associated with PD-L1 expression in NSCLC...
February 21, 2018: Clinical Lung Cancer
K Rizi, I K Mohammed, K Xu, A J Kinloch, M N Charalambides, S Murdan
Nail patches have a potential role as drug carriers for the topical treatment of nail diseases such as onychomycosis, a common condition. Our aim was therefore to develop a systematic and novel approach to the formulation of a simple drug-in-adhesive ungual patch. Twelve pressure-sensitive adhesives (PSAs), four backing membranes, two release liners and three drugs were screened for pharmaceutical and mechanical properties. From this initial screening, two PSAs, two drugs, one backing membrane and one release liner were selected for further investigation...
March 9, 2018: European Journal of Pharmaceutics and Biopharmaceutics
Trinidad Dierssen-Sotos, Camilo Palazuelos-Calderón, José-Juan Jiménez-Moleón, Nuria Aragonés, Jone M Altzibar, Gemma Castaño-Vinyals, Vicente Martín-Sanchez, Inés Gómez-Acebo, Marcela Guevara, Adonina Tardón, Beatriz Pérez-Gómez, Pilar Amiano, Victor Moreno, Antonio J Molina, Jéssica Alonso-Molero, Conchi Moreno-Iribas, Manolis Kogevinas, Marina Pollán, Javier Llorca
BACKGROUND: Reproductive factors are well known risk factors for breast cancer; however, little is known about how genetic variants in hormonal pathways interact with that relationship. METHODS: One thousand one hundred thirty nine cases of breast cancer in women and 1322 frequency-matched controls were compared. Genetic variants in hormonal pathways (identified in the Kyoto Encyclopedia of Genes and Genomes) were screened according to their relationship with breast cancer using the Cochran-Armitage statistic...
March 12, 2018: BMC Cancer
Michio Kobayashi, Tomoyuki Hatakeyama, Masatoshi Ishizaki, Katsuhito Adachi, Mizuki Morita, Naohiro Yonemoto, Tsuyoshi Matsumura, Itaru Toyoshima, En Kimura
Objective This study attempted to clarify the current status of female dystrophinopathy carriers, including the numbers of patients, the status of genetic screening, the status of counseling, physicians' understanding, and barriers to registration. Methods We sent out questionnaires to 402 physicians registered in the Remudy dystrophinopathy registry. The total number of responses received was 130 (response rate: 32%). Result In total, 1,212 cases of Duchenne muscular dystrophy, 365 cases of Becker muscular dystrophy, and 132 cases of female dystrophinopathy with a confirmed genetic mutation were encountered, and genetic testing was performed in the mother in 137, 23, and 12 cases, respectively...
March 9, 2018: Internal Medicine
Ailing Hui, Huayang Yin, Zheng Zhang, An Zhou, Jingchao Chen, Li Yang, Zeyu Wu, Wencheng Zhang
Tetramethylpyrazine was introduced to the structure of danshensu (DSS) as P-glycoprotein (P-gp)-inhibiting carrier, designing some novel brain-targeting DSS-pyrazine derivatives via prodrug delivery strategy. Following the virtual screening, three DSS-pyrazine esters (DT1, DT2, DT3) were selected because of their better prediction parameters related to brain-targeting. Among them, DT3 was thought to be a promising candidate due to its appropriate bioreversible property in vitro release assay. Further investigation with regard to DT3's brain-targeting effects in vivo was also reported in this study...
March 9, 2018: Drug Delivery and Translational Research
Diana A Olszewska, Terri McVeigh, Emer M Fallon, Gregory M Pastores, Tim Lynch
Genetics is the backbone of Neurology, where a number of disorders have a genetic aetiology and are complex, requiring a dedicated Neurogenetics clinic. Genetics in the Republic of Ireland is under-resourced, with the lowest number of consultants per million of population in Europe. In November 2014, we established the monthly adult Neurogenetics clinic in Ireland, staffed by 2 consultants and 2 registrars from each speciality. We see patients with complex rare neurological conditions that may potentially have an underlying genetic basis, in the presence or absence of a family history...
March 9, 2018: Irish Journal of Medical Science
Jan Hauke, Judit Horvath, Eva Groß, Andrea Gehrig, Ellen Honisch, Karl Hackmann, Gunnar Schmidt, Norbert Arnold, Ulrike Faust, Christian Sutter, Julia Hentschel, Shan Wang-Gohrke, Mateja Smogavec, Bernhard H F Weber, Nana Weber-Lassalle, Konstantin Weber-Lassalle, Julika Borde, Corinna Ernst, Janine Altmüller, Alexander E Volk, Holger Thiele, Verena Hübbel, Peter Nürnberg, Katharina Keupp, Beatrix Versmold, Esther Pohl, Christian Kubisch, Sabine Grill, Victoria Paul, Natalie Herold, Nadine Lichey, Kerstin Rhiem, Nina Ditsch, Christian Ruckert, Barbara Wappenschmidt, Bernd Auber, Andreas Rump, Dieter Niederacher, Thomas Haaf, Juliane Ramser, Bernd Dworniczak, Christoph Engel, Alfons Meindl, Rita K Schmutzler, Eric Hahnen
The prevalence of germ line mutations in non-BRCA1/2 genes associated with hereditary breast cancer (BC) is low, and the role of some of these genes in BC predisposition and pathogenesis is conflicting. In this study, 5589 consecutive BC index patients negative for pathogenic BRCA1/2 mutations and 2189 female controls were screened for germ line mutations in eight cancer predisposition genes (ATM, CDH1, CHEK2, NBN, PALB2, RAD51C, RAD51D, and TP53). All patients met the inclusion criteria of the German Consortium for Hereditary Breast and Ovarian Cancer for germ line testing...
March 9, 2018: Cancer Medicine
Christoph Engel, Kerstin Rhiem, Eric Hahnen, Sibylle Loibl, Karsten E Weber, Sabine Seiler, Silke Zachariae, Jan Hauke, Barbara Wappenschmidt, Anke Waha, Britta Blümcke, Marion Kiechle, Alfons Meindl, Dieter Niederacher, Claus R Bartram, Dorothee Speiser, Brigitte Schlegelberger, Norbert Arnold, Peter Wieacker, Elena Leinert, Andrea Gehrig, Susanne Briest, Karin Kast, Olaf Riess, Günter Emons, Bernhard H F Weber, Jutta Engel, Rita K Schmutzler
BACKGROUND: There is no international consensus up to which age women with a diagnosis of triple-negative breast cancer (TNBC) and no family history of breast or ovarian cancer should be offered genetic testing for germline BRCA1 and BRCA2 (gBRCA) mutations. Here, we explored the association of age at TNBC diagnosis with the prevalence of pathogenic gBRCA mutations in this patient group. METHODS: The study comprised 802 women (median age 40 years, range 19-76) with oestrogen receptor, progesterone receptor, and human epidermal growth factor receptor type 2 negative breast cancers, who had no relatives with breast or ovarian cancer...
March 7, 2018: BMC Cancer
Erica Ramos, Scott M Weissman
As the public's interest in genetics and genomics has increased, there has been corresponding and unprecedented growth in direct-to-consumer genetic testing (DTC-GT). Although regulatory concerns have limited true DTC-GT available without a physician order, the paradigm has shifted to a model of consumer-directed genetic testing (CD-GT) in which patients are researching testing options and requesting specific genetic testing from their health-care providers. However, many nongenetics health-care providers do not have the background, education, interest, or time to order and/or interpret typical clinical genetic testing, let alone DTC-GT...
March 7, 2018: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
Ang Li, David A Garcia, Gary H Lyman, Marc Carrier
INTRODUCTION: It is unclear if direct oral anticoagulants (DOACs) are effective and safe alternatives to low-molecular-weight heparin (LMWHs) for the treatment of cancer-associated venous thromboembolism (VTE). We aim to synthesize existing literature that compared DOACs versus LMWHs in this high-risk population. MATERIALS AND METHODS: We conducted a systematic review using EMBASE, MEDLINE and CENTRAL for all observational studies and randomized controlled trials (RCTs) (PROSPERO: CRD42017080898)...
March 2, 2018: Thrombosis Research
Gillian E Hanley, Jessica N McAlpine, Dianne Miller, David Huntsman, Kasmintan A Schrader, C Blake Gilks, Gillian Mitchell
BACKGROUND: Identifying female carriers of BRCA1 and BRCA2 mutations is imperative for prevention of ovarian cancer and breast cancer. There are five major histologic subtypes of ovarian cancer and high grade serous cancer (the most common) is reported in 75-100% of BRCA1 and BRCA2 mutation carriers. We examined histology-based referral to the Hereditary Cancer Program following an educational prevention campaign recommending BRCA1 and BRCA2 mutation screening for all high-grade serous cancer patients...
March 5, 2018: BMC Cancer
Birson Ingti, Pranjit Saikia, Deepjyoti Paul, Anand Prakash Maurya, Debadatta Dhar Chanda, Atanu Chakravarty, Chandrayee Deshamukhya, Amitabha Bhattacharjee
OBJECTIVES: Plasmids of different replicon types are believed to be associated with the carriage and transmission of antibiotic resistance genes. Thus present study was undertaken to check the association of CIT with particular plasmid types and to identify the E. coli strains involve in the maintenance of this determinant within the plasmid. METHODS: Screening of AmpC β-lactamase phenotypically by Modified Three Dimensional Extract Method followed by Antimicrobial Susceptibility and MIC determination...
March 2, 2018: Journal of Global Antimicrobial Resistance
Daryl L Richie, Lisha Wang, Helen Chan, Gianfranco De Pascale, David A Six, Jun-Rong Wei, Charles R Dean
Acinetobacter baumannii ATCC 19606 can grow without lipooligosaccharide (LOS). Lack of LOS can result from disruption of the early lipid A biosynthetic pathway genes lpxA, lpxC or lpxD. Although LOS itself is not essential for growth of A. baumannii ATCC 19606, it was previously shown that depletion of the lipid A biosynthetic enzyme LpxK in cells inhibited growth due to the toxic accumulation of lipid A pathway intermediates. Growth of LpxK-depleted cells was restored by chemical inhibition of LOS biosynthesis using CHIR-090 (LpxC) and fatty acid biosynthesis using cerulenin (FabB/F) and pyridopyrimidine (acetyl-CoA-carboxylase)...
2018: PloS One
Aviad E Raz, Yael Amano, Stefan Timmermans
This study examines the interface between newborn screening and prenatal diagnosis from the point-of-view of parents of screen-positive children. Many conditions covered by newborn screening represent classic (autosomal recessive) Mendelian disorders. Parents of screen-positive infants therefore often come to learn that they are carriers of the disease, and face a decision whether to test for it in future pregnancies. Semi-structured interviews were conducted in 2015-2017 with 34 Israeli parents whose child was screen positive...
March 5, 2018: Journal of Community Genetics
Gesmar R S Segundo, Anh T V Nguyen, Huyen T Thuc, Le N Q Nguyen, Roger H Kobayashi, Hai T Le, Huong T M Le, Troy R Torgerson, Hans D Ochs
Background: New sequencing techniques have revolutionized the identification of the molecular basis of primary immunodeficiency disorders (PID) not only by establishing a gene-based diagnosis but also by facilitating defect-specific treatment strategies, improving quality of life and survival, and allowing factual genetic counseling. Because these techniques are generally not available for physicians and their patients residing in developing countries, collaboration with overseas laboratories has been explored as a possible, albeit cumbersome, strategy...
2018: Frontiers in Immunology
Michelle E Miller, Victoria M Allen, Jo-Ann K Brock
OBJECTIVE: Fetal echogenic bowel (echogenic bowel) is associated with cystic fibrosis (CF), with a reported incidence ranging from 1% to 13%. Prenatal testing for CF in the setting of echogenic bowel can be done by screening parental or fetal samples for pathogenic CFTR variants. If only one pathogenic variant is identified, sequencing of the CFTR gene can be undertaken, to identify a second pathogenic variant not covered in the standard screening panel. Full gene sequencing, however, also introduces the potential to identify variants of uncertain significance (VUSs) that can create counselling challenges and cause parental anxiety...
March 1, 2018: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
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