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https://www.readbyqxmd.com/read/28902922/molecular-clustering-of-patients-with-diabetes-and-pulmonary-tuberculosis-a-systematic-review-and-meta-analysis
#1
Francles Blanco-Guillot, Guadalupe Delgado-Sánchez, Norma Mongua-Rodríguez, Pablo Cruz-Hervert, Leticia Ferreyra-Reyes, Elizabeth Ferreira-Guerrero, Mercedes Yanes-Lane, Rogelio Montero-Campos, Miriam Bobadilla-Del-Valle, Pedro Torres-González, Alfredo Ponce-de-León, José Sifuentes-Osornio, Lourdes Garcia-Garcia
INTRODUCTION: Many studies have explored the relationship between diabetes mellitus (DM) and tuberculosis (TB) demonstrating increased risk of TB among patients with DM and poor prognosis of patients suffering from the association of DM/TB. Owing to a paucity of studies addressing this question, it remains unclear whether patients with DM and TB are more likely than TB patients without DM to be grouped into molecular clusters defined according to the genotype of the infecting Mycobacterium tuberculosis bacillus...
2017: PloS One
https://www.readbyqxmd.com/read/28886309/the-correlation-between-pax5-deletion-and-patients-survival-in-iranian-children-with-precursor-b-cell-acute-lymphocytic-leukemia
#2
A Moafi, A Zojaji, R Salehi, S Najafi Dorcheh, S Rahgozar
Despite advances in treatment, children with acute lymphoblastic leukemia (ALL) still experience drug resistance and relapse. Several gene mutations are involved in the onset of this disease and resistance to therapy. The present study examines the incidence of IKZF1, CDKN2A/B, PAX5, EBF1, ETV6, BTG1, RB1, JAK2, and Xp22.33 gene deletions/duplications associated with pediatric ALL in Iran and investigates the possible effect of these mutations on drug resistance. Three-year disease-free survival (3DFS) was evaluated for children diagnosed with Philadelphia negative precursor-B-cell ALL hospitalized at Sayed-al-Shohada Hospital, Isfahan-Iran, from January 2009 until December 2012...
August 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28876302/seroprevalence-of-chlamydia-trachomatis-in-inner-city-children-and-adolescents-implications-for-vaccine-development
#3
Natalie Banniettis, Sirisha Thumu, Jeremy Weedon, Kobkul Chotikanatis, Aviva Szigeti, Margaret R Hammerschlag, Stephan A Kohlhoff
BACKGROUND: Prevention of Chlamydia trachomatis infection is an ideal application for a vaccine program, which should optimally be administered before sexual debut. However, there are limited epidemiologic studies of C. trachomatis infection in an unselected pediatric population since routine screening and treatment of pregnant women was implemented in the United States in 1993. METHODS: Anonymized serum samples were obtained from children younger than 21 years in 2 medical centers in Brooklyn, New York, from 2013 to 2015...
July 19, 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28869986/diagnostic-accuracy-of-novel-and-traditional-rapid-tests-for-influenza-infection-compared-with-reverse-transcriptase-polymerase-chain-reaction-a-systematic-review-and-meta-analysis
#4
Joanna Merckx, Rehab Wali, Ian Schiller, Chelsea Caya, Genevieve C Gore, Caroline Chartrand, Nandini Dendukuri, Jesse Papenburg
Background: Rapid and accurate influenza diagnostics can improve patient care. Purpose: To summarize and compare accuracy of traditional rapid influenza diagnostic tests (RIDTs), digital immunoassays (DIAs), and rapid nucleic acid amplification tests (NAATs) in children and adults with suspected influenza. Data Sources: 6 databases from their inception through May 2017. Study Selection: Studies in English, French, or Spanish comparing commercialized rapid tests (that is, providing results in <30 minutes) with reverse transcriptase polymerase chain reaction reference standard for influenza diagnosis...
September 19, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28866311/filaggrin-mutations-and-molluscum-contagiosum-skin-infection-in-patients-with-atopic-dermatitis
#5
Sara Manti, Maria Amorini, Caterina Cuppari, Annamaria Salpietro, Francesca Porcino, Salvatore Leonardi, Michele Miraglia Del Giudice, Gianluigi Marseglia, Davide Paolo Caimmi, Carmelo Salpietro
BACKGROUND: Although mutations in the filaggrin (FLG) gene have been reported to predispose patients with atopic dermatitis (AD) skin infection susceptibility, to date, the data reported in the literature are still controversial. OBJECTIVE: To evaluate the role of FLG polymorphisms expression and risk of developing a concomitant Molluscum contagiosum sustained skin infection in the pediatric population with AD. METHODS: A total of 100 children with AD and 97 healthy children were enrolled...
August 30, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28854301/understanding-hearing-and-hearing-loss-in-children-with-down-syndrome
#6
Emily Nightengale, Patricia Yoon, Kristy Wolter-Warmerdam, Dee Daniels, Fran Hickey
Purpose: This study evaluated the prevalence of permanent and transient hearing loss, the use of hearing aids as a recommendation, and middle ear dysfunction in children with Down syndrome (DS) through a large multiage and ethnically diverse sample, using current audiologic testing practices. Method: Retrospective analysis of data collected on 308 children with DS (168 boys, 140 girls; average age = 5.99 ± 4.88 years) who received an audiological evaluation during 2013 as part of their medical care at a large pediatric hospital...
September 18, 2017: American Journal of Audiology
https://www.readbyqxmd.com/read/28844173/clinical-application-of-whole-genome-array-improves-the-diagnosis-of-pediatric-brain-tumors
#7
Lina Shao, Sue Miller, Carl Koschmann, Sandra Camelo-Piragua
Pediatric brain tumors are the leading cause of childhood cancer mortality. Recurring genetic abnormalities play an essential role in the diagnosis and prognosis of pediatric brain tumors. However, clinical workup has not routinely included whole genome assessment. Here, we present high resolution whole genome array results in 11 pediatric brain tumors. Array identified clinically relevant abnormalities in all samples. Copy number aberrations with targeted therapy implication, GOPC-ROS1 fusion, CDK4 amplification, and NF1 deletion, were detected in 3 cases...
August 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28843335/the-identification-of-meyerozyma-guilliermondii-from-blood-cultures-and-surveillance-samples-in-a-university-hospital-in-northeast-turkey-a-ten-year-survey
#8
N Cebeci Güler, I Tosun, F Aydin
Meyerozyma (Pichia) guilliermondii exists in human skin and mucosal surface microflora. It can cause severe fungal infections like candidemia, which is an opportunistic pathogen. One hundred and forty-one M. guilliermondii isolates, consisting of 122 blood culture isolates, belonging to 126 patients; 13 total parenteral nutrition solution isolates; and two rectal swab isolates were identified according to carbohydrate assimilation reactions in a university hospital in Turkey between January 2006 and December 2015...
August 23, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28828298/screening-for-asymptomatic-chlamydia-and-gonorrhea-in-adolescent-males-in-an-urban-pediatric-emergency-department
#9
Megan E Maraynes, Jennifer H Chao, Konstantinos Agoritsas, Richard Sinert, Shahriar Zehtabchi
AIM: To determine the prevalence of Chlamydia trachomatis (CT) and Neisseria gonorrhea (GC) in young men seeking care in the emergency department (ED) for non-sexually transmitted infection (STI) related symptoms. METHODS: This was a prospective, cross-sectional study in an urban ED. The main outcome was the rate of positive CT and GC on urine nucleic acid amplification testing in males aged 16-21 presenting with non-STI related complaints. RESULTS: Two hundred and eighty-four patients were enrolled, 271 were included in the final data analysis [age range 16-21, median: 18 (quartiles 16-18, 19-21)]...
August 8, 2017: World Journal of Clinical Pediatrics
https://www.readbyqxmd.com/read/28807096/a-five-year-surveillance-of-carbapenemase-producing-klebsiella-pneumoniae-in-a-pediatric-hospital-in-china-reveals-increased-predominance-of-ndm-1
#10
Fang Dong, Jie Lu, Yan Wang, Jin Shi, Jing Hui Zhen, Ping Chu, Yang Zhen, Shu Jing Han, Yong Li Guo, Wen Qi Song
OBJECTIVE: To characterize carbapenem (CPM)-non-susceptible Klebsiella pneumoniae (K. pneumoniae) and carbape-nemase produced by these strains isolated from Beijing Children's Hospital based on a five-year surveillance. METHODS: The Minimal Inhibition Concentration values for 15 antibiotics were assessed using the Phonix100 compact system. PCR amplification and DNA sequencing were used to detect genes encoding carbapenemases. WHONET 5.6 was finally used for resistance analysis...
August 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28801451/adult-high-grade-b-cell-lymphoma-with-burkitt-lymphoma-signature-genomic-features-and-potential-therapeutic-targets
#11
Alyssa Bouska, Chengfeng Bi, Waseem Lone, Weiwei Zhang, Ambreen Kedwaii, Tayla Heavican, Cynthia M Lachel, Jiayu Yu, Roberto Ferro, Nanees Eldorghamy, Timothy C Greiner, Julie Vose, Dennis D Weisenburger, Randy D Gascoyne, Andreas Rosenwald, German Ott, Elias Campo, Lisa M Rimsza, Elaine S Jaffe, Rita M Braziel, Reiner Siebert, Rodney R Miles, Sandeep Dave, Anupama Reddy, Jan Delabie, Louis M Staudt, Joo Y Song, Timothy W McKeithan, Kai Fu, Michael Green, Wing C Chan, Javeed Iqbal
The adult high-grade B-cell lymphomas sharing molecular features with Burkitt lymphoma (BL) are highly aggressive lymphomas with poor clinical outcome. High-resolution structural and functional genomic analysis of adult Burkitt lymphoma (BL) and high-grade B-cell lymphoma with BL gene-signature (adult-mBL), revealed the MYC-ARF-p53 axis as the primary deregulated pathway. Adult-mBL had either unique or more frequent genomic aberrations (del13q14, del17p, gain8q24 and gain18q21) compared with pediatric-mBL, but shared commonly mutated genes...
August 11, 2017: Blood
https://www.readbyqxmd.com/read/28756644/the-role-of-anaplastic-lymphoma-kinase-in-pediatric-cancers
#12
REVIEW
Junko Takita
The anaplastic lymphoma kinase (ALK) was initially identified as a fusion partner of the nucleophosmin gene in anaplastic large cell lymphoma (ALCL) with t(2;5)(p23;q35) translocation, and then described with different genetic abnormalities in a number of tumors. Although ALK is known to be involved in the pathogenesis of neuroblastoma through activating mutations or gene amplification, its role in the pathogenesis of other pediatric cancers is still elusive. In addition to neuroblastoma, the high-grade amplification of ALK has been described in a subset of rhabdomyosarcoma cases...
July 30, 2017: Cancer Science
https://www.readbyqxmd.com/read/28748759/targeting-kinase-activating-genetic-lesions-to-improve-therapy-of-pediatric-acute-lymphoblastic-leukemia
#13
Franca Raffaella, Natasa Karas Kuzelicki, Claudio Sorio, Eleonora Toffoletti, Oksana Montecchini, Alice Poropat, Marco Rabusin, Debora Curci, Dino Paladin, Gabriele Stocco, Giuliana Decorti
Acute lymphoblastic leukemia (ALL) is the most common hematologic malignancy in children, characterized by an abnormal proliferation of immature lymphoid cells. Thanks to risk-adapted combination chemotherapy treatments currently used, survival at 5 years has reached 90%. ALL is a heterogeneous disease from a genetic point of view: patients' lymphoblasts may harbor in fact several chromosomal alterations, some of which have prognostic and therapeutic value. Of particular importance is the translocation t(9;22)(q34;q11...
July 27, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28715351/interacting-influences-of-gender-and-chronic-pain-status-on-parasympathetically-mediated-heart-rate-variability-in-adolescents-and-young-adults
#14
Lynn S Walker, Amanda L Stone, Craig A Smith, Stephen Bruehl, Judy Garber, Martina Puzanovova, André Diedrich
Considerable research links chronic pain to autonomic nervous system (ANS) dysfunction, specifically low heart rate variability (HRV) mediated by reduced parasympathetic activity. However, little is known about factors that influence ANS function in chronic pain. The ANS is the primary pathway for brain-gut communication, making it of particular interest in gastrointestinal disorders, such as irritable bowel syndrome, characterized by functional abdominal pain (FAP). We evaluated the relation of sex, pain severity, and psychological stress to ANS function in adolescents/young adults from a database of pediatric FAP and control participants enrolled 8 years earlier in a prospective study of pain...
August 2017: Pain
https://www.readbyqxmd.com/read/28707191/clostridium-difficile-colitis-and-colonoscopy-pediatric-perspective
#15
REVIEW
Randolph McConnie, Arthur Kastl
PURPOSE OF THE REVIEW: Review tests available for detection of Clostridium difficile (C. Diff) induced disease, including when such tests should be done in children and how they should be interpreted. RECENT FINDINGS: Multiple tests are available for detecting disease due to C. diff. These include colonoscopy and stool analysis. Colonoscopy with biopsy is the most sensitive test for detecting the presence of colitis. The toxins produced by the C. diff. (toxin A, toxin B, and binary toxin) are the agents that cause injury and disease...
August 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28705709/a-novel-sclerosing-atypical-lipomatous-tumor-well-differentiated-liposarcoma-in-a-7-year-old-girl-report-of-a-case-with-molecular-confirmation
#16
Ran Peng, Huijiao Chen, Xuantao Yang, Xianliang Zhang, Zhang Zhang, Xin He, Hongying Zhang
Atypical lipomatous tumor/well-differentiated liposarcoma/dedifferentiated liposarcoma (ALT/WDL/DDL) is a common type of liposarcoma in late adulthood. However, pediatric ALT/WDL/DDL is extremely rare, and only 3 cases have been described in children younger than 10years of age. Notably, none of these cases harbored MDM2 gene amplification. Here, we reported a sclerosing ALT/WDL in a 7-year-old Chinese girl. Histologically, in most areas, the neoplastic cells were embedded within the collagenous background and typical lipogenic areas were inconspicuous throughout the sclerotic areas...
July 10, 2017: Human Pathology
https://www.readbyqxmd.com/read/28698845/intrachromosomal-amplification-of-chromosome-21-in-korean-pediatric-patients-with-b-cell-precursor-acute-lymphoblastic-leukemia-in-a-single-institution
#17
Mina Yang, Eun Sang Yi, Hee Jin Kim, Keon Hee Yoo, Hong Hoe Koo, Sun-Hee Kim
BACKGROUND: Intrachromosomal amplification of chromosome 21 (iAMP21), defined as the presence of three or more RUNX1 signals on one marker chromosome, is a distinct cytogenetic subgroup of childhood B-cell precursor acute lymphoblastic leukemia (BCP-ALL) that is known to have a poor prognosis when treated with standard therapy. The aim of this study was to evaluate the clinical characteristics of Korean children with iAMP21. METHODS: The cytogenetic data from BCP-ALL children were reviewed...
June 2017: Blood Research
https://www.readbyqxmd.com/read/28696319/combined-epigenetic-and-differentiation-based-treatment-inhibits-neuroblastoma-tumor-growth-and-links-hif2%C3%AE-to-tumor-suppression
#18
Isabelle Westerlund, Yao Shi, Konstantinos Toskas, Stuart M Fell, Shuijie Li, Olga Surova, Erik Södersten, Per Kogner, Ulrika Nyman, Susanne Schlisio, Johan Holmberg
Neuroblastoma is a pediatric cancer characterized by variable outcomes ranging from spontaneous regression to life-threatening progression. High-risk neuroblastoma patients receive myeloablative chemotherapy with hematopoietic stem-cell transplant followed by adjuvant retinoid differentiation treatment. However, the overall survival remains low; hence, there is an urgent need for alternative therapeutic approaches. One feature of high-risk neuroblastoma is the high level of DNA methylation of putative tumor suppressors...
July 25, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28680293/molecular-progression-in-unusual-recurrent-non-pediatric-intracranial-clear-cell-meningioma
#19
B Domingo-Arrué, R Gil-Benso, J Megías, L Navarro, T San-Miguel, L Muñoz-Hidalgo, C López-Ginés, M Cerdá-Nicolás
We report a case of a recurrent clear cell meningioma (ccm) in the frontal lobe of the brain of a 67-year-old man. The patient developed three recurrences: at 3, 10, and 12 years after his initial surgery. Histopathology observations revealed a grade 2 ccm with positivity for vimentin and epithelial membrane antigen. Expression of E-cadherin was positive only in the primary tumour and in the first available recurrence. Fluorescence in situ hybridization analyses demonstrated 1p and 14q deletions within the last recurrence...
June 2017: Current Oncology
https://www.readbyqxmd.com/read/28624713/aneuploidy-identification-in-pre-b-acute-lymphoblastic-leukemia-patients-at-diagnosis-by-multiplex-ligation-dependent-probe-amplification-mlpa
#20
A Vázquez-Reyes, L Bobadilla-Morales, C Barba-Barba, G Macías-Salcedo, G Serafín-Saucedo, M E Velázquez-Rivera, M C Almodóvar-Cuevas, A Márquez-Mora, H J Pimentel-Gutiérrez, C Ortega-de-la-Torre, R M Cruz-Osorio, S Nava-Gervasio, J Rivera-Vargas, F Sánchez-Zubieta, J R Corona-Rivera, A Corona-Rivera
Three-quarters of the patients with acute lymphoblastic leukemia (ALL), show numerical or structural chromosomal alterations, which are important factors in leukemogenesis. The use of Multiplex Ligation-dependent Probes Amplification (MLPA) has been mainly limited for searching copy number alterations of genes, suggesting that MLPA could detect numerical alterations in cancer. However, the use of MLPA in pediatrics to analyze subtelomeric sequences for aneuploidy detection has not been considered in previous studies...
June 1, 2017: Leukemia Research
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