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https://www.readbyqxmd.com/read/29778046/evaluation-of-the-microhaplotypes-panel-for-dna-mixture-analyses
#1
Peng Chen, Caiyong Yin, Zheng Li, Yan Pu, Youjia Yu, Peng Zhao, Dexin Chen, Weibo Liang, Lin Zhang, Feng Chen
The identification of a suspect in a DNA mixture typed with the standard short tandem repeat polymorphism (STR) kits has faced challenges. Several improved methods or technologies have been introduced to address this issue. However, some complex situations in the process remain elusive. In the present study, we presented a panel of 26 tiny microhaplotypes, each generating a relatively high (>3.0) effective number of alleles (Ae ) and possessing low (<50 bp) sequence lengths. The average Ae and heterozygosity values among the 9 populations of 26 microhaps were in ranges from 2...
May 12, 2018: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/29776972/improving-serum-calcium-test-ordering-according-to-a-decision-algorithm
#2
Daniel K Faria, Leandro U Taniguchi, Luiz A M Fonseca, Mario Ferreira-Junior, Francisco J B Aguiar, Arnaldo Lichtenstein, Nairo M Sumita, Alberto J S Duarte, Maria M Sales
AIM: To detect differences in the pattern of serum calcium tests ordering before and after the implementation of a decision algorithm. METHODS: We studied patients admitted to an internal medicine ward of a university hospital on April 2013 and April 2016. Patients were classified as critical or non-critical on the day when each test was performed. Adequacy of ordering was defined according to adherence to a decision algorithm implemented in 2014. RESULTS: Total and ionised calcium tests per patient-day of hospitalisation significantly decreased after the algorithm implementation; and duplication of tests (total and ionised calcium measured in the same blood sample) was reduced by 49%...
May 18, 2018: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29776422/beating-the-odds-programming-proliferation-in-the-mammalian-heart
#3
Rajan Jain, Andrey Poleshko, Jonathan A Epstein
The heart is one of the least regenerative organs in the human body; adult cardiac myocytes divide at extremely low frequency. Therefore, meaningful induction of cardiac regeneration requires in-depth understanding of myocyte cell-cycle control. Recent insights into how myocytes can be coaxed into duplicating in vivo might inform emerging therapeutics.
May 18, 2018: Genome Medicine
https://www.readbyqxmd.com/read/29776394/influence-of-blinding-on-treatment-effect-size-estimate-in-randomized-controlled-trials-of-oral-health-interventions
#4
Humam Saltaji, Susan Armijo-Olivo, Greta G Cummings, Maryam Amin, Bruno R da Costa, Carlos Flores-Mir
BACKGROUND: Recent methodologic evidence suggests that lack of blinding in randomized trials can result in under- or overestimation of the treatment effect size. The objective of this study is to quantify the extent of bias associated with blinding in randomized controlled trials of oral health interventions. METHODS: We selected all oral health meta-analyses that included a minimum of five randomized controlled trials. We extracted data, in duplicate, related to nine blinding-related criteria, namely: patient blinding, assessor blinding, care-provider blinding, investigator blinding, statistician blinding, blinding of both patients and assessors, study described as "double blind", blinding of patients, assessors, and care providers concurrently, and the appropriateness of blinding...
May 18, 2018: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/29776329/convaq-a-web-tool-for-copy-number-variation-based-association-studies
#5
Simon Jonas Larsen, Luisa Matos do Canto, Silvia Regina Rogatto, Jan Baumbach
BACKGROUND: Copy number variations (CNVs) are large segments of the genome that are duplicated or deleted. Structural variations in the genome have been linked to many complex diseases. Similar to how genome-wide association studies (GWAS) have helped discover single-nucleotide polymorphisms linked to disease phenotypes, the extension of GWAS to CNVs has aided the discovery of structural variants associated with human traits and diseases. RESULTS: We present CoNVaQ, an easy-to-use web-based tool for CNV-based association studies...
May 18, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29775405/the-mouse-heart-attack-research-tool-mhart-1-0-database
#6
Kristine Y DeLeon-Pennell, Rugmani Padmanabhan Iyer, Yonggang Ma, Andriy Yabluchanskiy, Rogelio Zamilpa, Ying Ann Chiao, Presley Cannon, Courtney Cates, Elizabeth R Flynn, Ganesh V Halade, Lisandra E de Castro Bras, Merry L Lindsey
The generation of Big Data has enabled systems-level dissections into the mechanisms of cardiovascular pathology. Integration of genetic, proteomic, and pathophysiological variables across platforms and laboratories fosters discoveries through multidisciplinary investigations and minimizes unnecessary redundancy in research efforts. The Mouse Heart Attack Research Tool (mHART) consolidates a large dataset of over 10 years of experiments from a single laboratory for cardiovascular investigators to generate novel hypotheses and identify new predictive markers of progressive left ventricular remodeling following myocardial infarction (MI) in mice...
May 18, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29774496/correction-to-molecular-characterization-of-a-human-group-c-rotavirus-detected-first-in-turkey
#7
Marcelo Takahiro Mitui, Gulendam Bozdayi, Buket Dalgic, Ilknur Bostanci, Akira Nishizono, Kamruddin Ahmed
This article was unintentionally published twice in this journal, by the same authors. Following should be considered the version of record and used for citation purposes: "Mitui, M.T., Bozdayi, G., Dalgic, B. et al. Molecular characterization of a human group C rotavirus detected first in Turkey, Virus Genes (2009) 39, 2, 157-164, https://doi.org/10.1007/s11262-009-0420-8 ". The duplicate "Mitui, M.T., Bozdayi, G., Dalgic, B. et al. Molecular characterization of a human group C rotavirus detected first in Turkey, Virus Genes (2009), https://doi...
May 17, 2018: Virus Genes
https://www.readbyqxmd.com/read/29774338/trace-metals-in-oysters-molecular-and-cellular-mechanisms-and-ecotoxicological-impacts
#8
REVIEW
Wen-Xiong Wang, Jie Meng, Nanyan Weng
Oysters are important benthic bivalves in coastal and estuarine environments. They are widely farmed due to their rapid growth and taste; they are also widely applied in environmental monitoring of coastal pollution due to their accumulation of contaminants. Most importantly, oysters are among the few marine organisms that are considered to be hyper-accumulators of many toxic metals, such as cadmium, copper and zinc. As such, there is a tremendous call to study the interactions between metals and oysters, especially due to the increasing metal pollution in many coastal and estuarine waters...
May 18, 2018: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/29774047/genome-sequencing-and-analysis-of-the-peanut-b-genome-progenitor-arachis-ipaensis
#9
Qing Lu, Haifen Li, Yanbin Hong, Guoqiang Zhang, Shijie Wen, Xingyu Li, Guiyuan Zhou, Shaoxiong Li, Hao Liu, Haiyan Liu, Zhongjian Liu, Rajeev K Varshney, Xiaoping Chen, Xuanqiang Liang
Peanut ( Arachis hypogaea L.), an important leguminous crop, is widely cultivated in tropical and subtropical regions. Peanut is an allotetraploid, having A and B subgenomes that maybe have originated in its diploid progenitors Arachis duranensis (A-genome) and Arachis ipaensis (B-genome), respectively. We previously sequenced the former and here present the draft genome of the latter, expanding our knowledge of the unique biology of Arachis . The assembled genome of A. ipaensis is ~1.39 Gb with 39,704 predicted protein-encoding genes...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29774010/efficacy-of-vandetanib-in-treating-locally-advanced-or-metastatic-medullary-thyroid-carcinoma-according-to-recist-criteria-a-systematic-review-and-meta-analysis
#10
Pierpaolo Trimboli, Marco Castellana, Camilla Virili, Francesco Giorgino, Luca Giovanella
Background: Vandetanib is the most largely used tyrosine kinase inhibitor (TKI) in patients with locally advanced and/or metastatic medullary thyroid cancer (MTC). Here, we conducted a systematic review on its efficacy and attempted to perform a meta-analysis adopting standardized RECIST criteria as end-points. Methods: The terms "medullary thyroid" and "protein kinase inhibitor" (then including all TKIs) were searched in PubMed, ClinicalTrials...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29773825/consistent-prediction-of-go-protein-localization
#11
Flavio E Spetale, Debora Arce, Flavia Krsticevic, Pilar Bulacio, Elizabeth Tapia
The GO-Cellular Component (GO-CC) ontology provides a controlled vocabulary for the consistent description of the subcellular compartments or macromolecular complexes where proteins may act. Current machine learning-based methods used for the automated GO-CC annotation of proteins suffer from the inconsistency of individual GO-CC term predictions. Here, we present FGGA-CC+ , a class of hierarchical graph-based classifiers for the consistent GO-CC annotation of protein coding genes at the subcellular compartment or macromolecular complex levels...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29773649/ptap-motif-duplication-in-the-p6-gag-protein-confers-a-replication-advantage-on-hiv-1-subtype-c
#12
Shilpee Sharma, Prabhu S Arunachalam, Malini Menon, Viswanath Ragupathy, Ravi Vijaya Satya, Joshua Jebaraj, Shambhu Ganeshappa Aralaguppe, Chaitra Rao, Sreshtha Pal, Shanmugam Saravanan, Kailapuri G Murugavel, Pachamuthu Balakrishnan, Suniti Solomon, Indira Hewlett, Udaykumar Ranga
HIV-1 subtype C (HIV-1C) may duplicate longer amino acid stretches in the p6 Gag protein, leading to the creation of an additional Pro-Thr/Ser-Ala-Pro (PTAP) motif necessary for viral packaging. However, the biological significance of a duplication of the PTAP motif for HIV-1 replication and pathogenesis has not been experimentally validated. In a longitudinal study of two different clinical cohorts of select HIV-1 seropositive, drug-naive individuals from India, we found that 8 of 50 of these individuals harbored a mixed infection of viral strains discordant for the PTAP duplication...
May 17, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29773601/combinatorial-targeting-of-xpo1-and-flt3-exerts-synergistic-anti-leukemia-effects-through-induction-of-differentiation-and-apoptosis-in-flt3-mutated-acute-myeloid-leukemias-from-concept-to-clinical-trial
#13
Weiguo Zhang, Charlie Ly, Jo Ishizawa, Hong Mu, Vivian Ruvolo, Sharon Shacham, Naval Daver, Michael Andreeff
Targeted therapies against FLT3-mutated acute myeloid leukemia have shown limited clinical efficacy primarily because of the acquisition of secondary mutations in FLT3 and persistent activation of downstream pro-survival pathways such as MEK/ERK, PI3K/AKT, and STAT5. Activation of these additional kinases may also result in phosphorylation of tumor suppressor proteins promoting their nuclear export. Thus, co-targeting nuclear export proteins (i.e., XPO1) and FLT3 concomitantly may be therapeutically effective...
May 17, 2018: Haematologica
https://www.readbyqxmd.com/read/29773106/-expression-and-purification-of-flt3-and-flt3-itd-mutated-proteins-in-hek293t-cells
#14
Fan Yang, Jiahui Du, Jie Wu, Puyu Yuan, Qian Su, Rong Han, Qiaocheng Qiu, Shengli Xue, Songbai Liu, Zhongwen Sun
Objective To construct the eukaryotic expression vectors of human fms related tyrosine kinase 3 (FLT3) gene and FLT3-internal tandem duplication (FLT3-ITD) mutants and purify the native proteins through immunoprecipitation from HEK293T cell lysates. Methods The cDNA fragments of FLT3wt and FLT3-ITD were amplified from bone marrow cells of healthy individuals and FLT3-ITD-mutated acute myeloid leukemia (AML) patients with specific primers, and the PCR products were cloned in CD530A-T2A-GFP expression vectors...
March 2018: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/29772871/access-to-dialysis-services-a-systematic-mapping-review-based-on-geographical-information-systems
#15
Benyamin Hoseini, Nasser Bagheri, Behzad Kiani, Amirabbas Azizi, Hamed Tabesh, Mahmood Tara
Equitable access to healthcare services constitutes one of the leading priorities of healthcare provision and access to dialysis services (ADS) has an essential impact on patients depending on renal dialysis. The many existing GIS-based ADS evaluations include various spatial and non-spatial factors affecting ADS. We systematically mapped and reviewed the available literature with reference to this area identifying gaps in current GIS-based ADS measurements and developing recommendations for future studies...
May 7, 2018: Geospatial Health
https://www.readbyqxmd.com/read/29772825/identification-and-characterization-of-the-wox-family-genes-in-five-solanaceae-species-reveal-their-conserved-roles-in-peptide-signaling
#16
Xiaoxu Li, Madiha Hamyat, Cheng Liu, Ahmad Salman, Xiaoming Gao, Cun Guo, Yuanying Wang, Yongfeng Guo
Members of the plant-specific WOX (WUSCHEL-related homeobox) transcription factor family have been reported to play important roles in peptide signaling that regulates stem cell maintenance and cell fate specification in various developmental processes. Even though remarkable advances have been made in studying WOX genes in Arabidopsis , little is known about this family in Solanaceae species. A total of 45 WOX members from five Solanaceae species were identified, including eight members from Solanum tuberosum , eight from Nicotiana tomentosiformis , 10 from Solanum lycopersicum , 10 from Nicotiana sylvestris and nine from Nicotiana tabacum ...
May 17, 2018: Genes
https://www.readbyqxmd.com/read/29772750/the-late-embryogenesis-abundant-protein-family-in-cassava-manihot-esculenta-crantz-genome-wide-characterization-and-expression-during-abiotic-stress
#17
Chunlai Wu, Wei Hu, Yan Yan, Weiwei Tie, Zehong Ding, Jianchun Guo, Guangyuan He
Late embryogenesis abundant (LEA) proteins, as a highly diverse group of polypeptides, play an important role in plant adaptation to abiotic stress; however, LEAs from cassava have not been studied in cassava. In this study, 26 LEA members were genome-wide identified from cassava, which were clustered into seven subfamily according to evolutionary relationship, protein motif, and gene structure analyses. Chromosomal location and duplication event analyses suggested that 26 MeLEAs distributed in 10 chromosomes and 11 MeLEA paralogues were subjected to purifying selection...
May 17, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29772727/why-two-on-the-role-of-a-symmetry-in-negative-supercoiling-of-dna-by-gyrase
#18
REVIEW
Dagmar Klostermeier
Gyrase is a type IIA topoisomerase that catalyzes negative supercoiling of DNA. The enzyme consists of two GyrA and two GyrB subunits. It is believed to introduce negative supercoils into DNA by converting a positive DNA node into a negative node through strand passage: First, it cleaves both DNA strands of a double-stranded DNA, termed the G-segment, and then it passes a second segment of the same DNA molecule, termed the T-segment, through the gap created. As a two-fold symmetric enzyme, gyrase contains two copies of all elements that are key for the supercoiling reaction: The GyrB subunits provide two active sites for ATP binding and hydrolysis...
May 16, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29772249/evaluation-of-the-effect-of-storage-condition-on-cell-extraction-and-flow-cytometric-analysis-from-intestinal-biopsies
#19
Manon E Wildenberg, Marjolijn Duijvestein, Liset Westera, Tanja van Viegen, Christianne J Buskens, Jarmila D W van der Bilt, Larry Stitt, Vipul Jairath, Brian G Feagan, Niels Vande Casteele
BACKGROUND: Flow cytometric (FC) analysis of intestinal tissue biopsies requires prompt cell isolation and processing to prevent cell death and generate valid data. We examined the effect of storage conditions prior to cell isolation and FC on viable cell yield and the proportions of immune cell phenotypes from intestinal biopsies. METHODS: Biopsies (N = 224) from inflamed or non-inflamed ileal and/or colonic tissue from three patients with Crohn's disease were processed and analyzed immediately in duplicate, or stored under different conditions...
May 14, 2018: Journal of Immunological Methods
https://www.readbyqxmd.com/read/29772180/determination-of-affinity-and-residence-time-of-potent-drug-target-complexes-by-label-free-biosensing
#20
John G Quinn, Keith E Pitts, Micah Steffek, Mela M Mulvihill
Prolonged drug-target occupancy has become increasingly important in lead optimization, and biophysical assays that measure residence time are in high demand. Here we report a practical label-free assay methodology that provides kinetic and affinity measurements suitable for most target classes without long pre-incubations and over comparatively short sample contact times. The method, referred to as a "chaser" assay, has been applied to three sets of unrelated kinase/inhibitor panels in order to measure the residence times, where correlation with observed efficacy was suspected...
May 17, 2018: Journal of Medicinal Chemistry
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