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https://www.readbyqxmd.com/read/29352437/cost-effectiveness-of-treatments-for-chronic-constipation-a-systematic-review
#1
REVIEW
Dolly Han, Nicolas Iragorri, Fiona Clement, Diane Lorenzetti, Eldon Spackman
BACKGROUND: Chronic constipation (CC) has a significant impact on patients' quality of life and imposes an economic burden on individuals and the healthcare system. Treatment options include dietary changes, lifestyle modifications, fibre supplements, stool softeners, and laxatives. OBJECTIVE: We undertook this systematic review to comprehensively evaluate the cost effectiveness of treatments for CC. METHODS: We searched ten common databases to identify economic evaluations published to 13 June 2017...
January 19, 2018: PharmacoEconomics
https://www.readbyqxmd.com/read/29352198/orid-structure-controls-repd-initiation-during-rolling-circle-replication
#2
Algirdas Toleikis, Martin R Webb, Justin E Molloy
Bacterial antibiotic resistance is often carried by circular DNA plasmids that are copied separately from the genomic DNA and can be passed to other bacteria, spreading the resistance. The chloramphenicol-resistance plasmid pC221 from Staphylococcus aureus is duplicated by a process called asymmetric rolling circle replication. It is not fully understood how the replication process is regulated but its initiation requires a plasmid-encoded protein called RepD that nicks one strand of the parent plasmid at the double-stranded origin of replication (oriD)...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352115/stil-balancing-primary-microcephaly-and-cancer
#3
REVIEW
Patwardhan Dhruti, Mani Shyamala, Passemard Sandrine, Gressens Pierre, El Ghouzzi Vincent
Cell division and differentiation are two fundamental physiological processes that need to be tightly balanced to achieve harmonious development of an organ or a tissue without jeopardizing its homeostasis. The role played by the centriolar protein STIL is highly illustrative of this balance at different stages of life as deregulation of the human STIL gene expression has been associated with either insufficient brain development (primary microcephaly) or cancer, two conditions resulting from perturbations in cell cycle and chromosomal segregation...
January 19, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29351983/partial-tandem-duplication-of-kmt2a-mll-may-predict-a-subset-of-myelodysplastic-syndrome-with-unique-characteristics-and-poor-outcome
#4
Sarah M Choi, Rajan Dewar, Patrick W Burke, Lina Shao
Partial tandem duplication (PTD) of the KMT2A (MLL) gene is a poor prognostic factor in acute myeloid leukemia, but its significance in the context of myelodysplastic syndrome (MDS) is unknown. Here, we used cytogenomic array to identify MLL-PTD in a group of MDS patients and compared their clinicopathologic characteristics with a cohort of high-risk MDS patients without MLL-PTD. We show that MLL-PTD defines a subset of MDS characterized by high blast count, normal karyotype, and extremely poor prognosis exceeding that of non-MLL-PTD high risk MDS, including those with complex karyotype...
January 19, 2018: Haematologica
https://www.readbyqxmd.com/read/29351964/chitinase-like-proteins-as-regulators-of-innate-immunity-and-tissue-repair-helpful-lessons-for-asthma
#5
REVIEW
Tara E Sutherland
Chitinases and chitinase-like proteins (CLPs) belong to the glycoside hydrolase family 18 of proteins. Chitinases are expressed in mammals and lower organisms, facilitate chitin degradation, and hence act as host-defence enzymes. Gene duplication and loss-of-function mutations of enzymatically active chitinases have resulted in the expression of a diverse range of CLPs across different species. CLPs are genes that are increasingly associated with inflammation and tissue remodelling not only in mammals but also across distant species...
January 19, 2018: Biochemical Society Transactions
https://www.readbyqxmd.com/read/29351893/a-clinical-decision-support-engine-based-on-a-national-medication-repository-for-the-detection-of-potential-duplicate-medications-design-and-evaluation
#6
Cheng-Yi Yang, Yu-Sheng Lo, Ray-Jade Chen, Chien-Tsai Liu
BACKGROUND: A computerized physician order entry (CPOE) system combined with a clinical decision support system can reduce duplication of medications and thus adverse drug reactions. However, without infrastructure that supports patients' integrated medication history across health care facilities nationwide, duplication of medication can still occur. In Taiwan, the National Health Insurance Administration has implemented a national medication repository and Web-based query system known as the PharmaCloud, which allows physicians to access their patients' medication records prescribed by different health care facilities across Taiwan...
January 19, 2018: JMIR Medical Informatics
https://www.readbyqxmd.com/read/29351848/a-distinct-class-of-genome-rearrangements-driven-by-heterologous-recombination
#7
Ana María León-Ortiz, Stephanie Panier, Grzegorz Sarek, Jean-Baptiste Vannier, Harshil Patel, Peter J Campbell, Simon J Boulton
Erroneous DNA repair by heterologous recombination (Ht-REC) is a potential threat to genome stability, but evidence supporting its prevalence is lacking. Here we demonstrate that recombination is possible between heterologous sequences and that it is a source of chromosomal alterations in mitotic and meiotic cells. Mechanistically, we find that the RTEL1 and HIM-6/BLM helicases and the BRCA1 homolog BRC-1 counteract Ht-REC in Caenorhabditis elegans, whereas mismatch repair does not. Instead, MSH-2/6 drives Ht-REC events in rtel-1 and brc-1 mutants and excessive crossovers in rtel-1 mutant meioses...
January 18, 2018: Molecular Cell
https://www.readbyqxmd.com/read/29351731/a-chelicerate-specific-burst-of-nonclassical-dscam-diversity
#8
Guozheng Cao, Yang Shi, Jian Zhang, Hongru Ma, Shouqing Hou, Haiyang Dong, Weiling Hong, Shuo Chen, Hao Li, Yandan Wu, Pengjuan Guo, Xu Shao, Bingbing Xu, Feng Shi, Yijun Meng, Yongfeng Jin
BACKGROUND: The immunoglobulin (Ig) superfamily receptor Down syndrome cell adhesion molecule (Dscam) gene can generate tens of thousands of isoforms via alternative splicing, which is essential for both nervous and immune systems in insects. However, further information is required to develop a comprehensive view of Dscam diversification across the broad spectrum of Chelicerata clades, a basal branch of arthropods and the second largest group of terrestrial animals. RESULTS: In this study, a genome-wide comprehensive analysis of Dscam genes across Chelicerata species revealed a burst of nonclassical Dscams, categorised into four types-mDscam, sDscamα, sDscamβ, and sDscamγ-based on their size and structure...
January 19, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29351555/omega-3-fatty-acid-desaturase-gene-family-from-two-%C3%AF-3-sources-salvia-hispanica-and-perilla-frutescens-cloning-characterization-and-expression
#9
Yufei Xue, Baojun Chen, Aung Naing Win, Chun Fu, Jianping Lian, Xue Liu, Rui Wang, Xingcui Zhang, Yourong Chai
Omega-3 fatty acid desaturase (ω-3 FAD, D15D) is a key enzyme for α-linolenic acid (ALA) biosynthesis. Both chia (Salvia hispanica) and perilla (Perilla frutescens) contain high levels of ALA in seeds. In this study, the ω-3 FAD gene family was systematically and comparatively cloned from chia and perilla. Perilla FAD3, FAD7, FAD8 and chia FAD7 are encoded by single-copy (but heterozygous) genes, while chia FAD3 is encoded by 2 distinct genes. Only 1 chia FAD8 sequence was isolated. In these genes, there are 1 to 6 transcription start sites, 1 to 8 poly(A) tailing sites, and 7 introns...
2018: PloS One
https://www.readbyqxmd.com/read/29351504/a-systematic-literature-review-of-physiotherapy-and-rehabilitation-approaches-to-lower-limb-amputation
#10
Özlem Ülger, Tezel Yıldırım Şahan, Seher Erol Çelik
BACKGROUND: Successful use of prostheses after lower-limb amputation (LLA) depends on undergoing physiotherapy and rehabilitation both physically and psychologically. The aim of this systematic literature review is to systematically review the scientific evidence regarding prosthetic rehabilitation and physiotherapy after LLA. METHODS: A systematic literature search was conducted using PubMed, Web of Science, Cochrane, CINAHL, EMBASE, SCOPUS, and EMB Reviews databases on December 31, 2015...
January 19, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29351044/comparison-of-reliability-of-categorical-and-continuous-scales-for-radiographic-assessments-of-bone-infill-following-secondary-alveolar-bone-grafting
#11
Peter V Fowler, Azza H Al-Ani, John M D Thompson
OBJECTIVES: To investigate examiner reliability of scoring intraoral radiographs of bone infill following secondary bone grafting using a categorical scale (modified Kindelan Index) and a 10-cm visual analog scale (VAS). To investigate the level of clinical experience on the reliability of these assessments. DESIGN: Retrospective study involving 10 clinicians of varying clinical experience who were blind to the patient's identity. SETTING: All grafting was carried out within the New Zealand public hospital service...
February 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29350409/comparison-of-lesional-skin-c-kit-mutations-with-clinical-phenotype-in-patients-with-mastocytosis
#12
I J Chan, M D Tharp
BACKGROUND: Activating c-KIT mutations cause abnormal mast cell growth and appear to play a role in mastocytosis. However, the correlation of c-KIT mutations with disease phenotypes is poorly characterized. AIM: To evaluate the correlation of c-KIT mutations with clinical presentations and laboratory findings. METHODS: Total cellular RNA was isolated from the skin lesions of 43 adults and 7 children with mastocytosis, and PCR amplicons of cDNA were sequenced for c-KIT mutations...
January 19, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29350335/tools-for-assessment-of-the-appropriateness-of-prescribing-and-association-with-patient-related-outcomes-a-systematic-review
#13
REVIEW
Nashwa Masnoon, Sepehr Shakib, Lisa Kalisch-Ellett, Gillian E Caughey
BACKGROUND: There are tools and criteria in the literature aimed at distinguishing between appropriate and inappropriate medicines use. However, many have not been externally validated with regard to patient-related outcomes, potentially limiting their use in clinical practice. OBJECTIVES: The aim of the study was to conduct a systematic review to summarise (1) available prescribing appropriateness assessment tools and criteria, and (2) their associations with patient-related outcomes (external validity)...
January 19, 2018: Drugs & Aging
https://www.readbyqxmd.com/read/29349599/evolution-of-eukaryal-and-archaeal-pseudouridine-synthase-pus10
#14
Elisabeth Fitzek, Archi Joardar, Ramesh Gupta, Matt Geisler
In archaea, pseudouridine (Ψ) synthase Pus10 modifies uridine (U) to Ψ at positions 54 and 55 of tRNA. In contrast, Pus10 is not found in bacteria, where modifications at those two positions are carried out by TrmA (U54 to m5U54) and TruB (U55 to Ψ55). Many eukaryotes have an apparent redundancy; their genomes contain orthologs of archaeal Pus10 and bacterial TrmA and TruB. Although eukaryal Pus10 genes share a conserved catalytic domain with archaeal Pus10 genes, their biological roles are not clear for the two reasons...
January 18, 2018: Journal of Molecular Evolution
https://www.readbyqxmd.com/read/29348510/genome-and-secretome-analysis-of-pochonia-chlamydosporia-provide-new-insight-into-egg-parasitic-mechanisms
#15
Runmao Lin, Feifei Qin, Baoming Shen, Qianqian Shi, Chichuan Liu, Xi Zhang, Yang Jiao, Jun Lu, Yaoyao Gao, Marta Suarez-Fernandez, Federico Lopez-Moya, Luis Vicente Lopez-Llorca, Gang Wang, Zhenchuan Mao, Jian Ling, Yuhong Yang, Xinyue Cheng, Bingyan Xie
Pochonia chlamydosporia infects eggs and females of economically important plant-parasitic nematodes. The fungal isolates parasitizing different nematodes are genetically distinct. To understand their intraspecific genetic differentiation, parasitic mechanisms, and adaptive evolution, we assembled seven putative chromosomes of P. chlamydosporia strain 170 isolated from root-knot nematode eggs (~44 Mb, including 7.19% of transposable elements) and compared them with the genome of the strain 123 (~41 Mb) isolated from cereal cyst nematode...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348145/fbxl13-directs-the-proteolysis-of-cep192-to-regulate-centrosome-homeostasis-and-cell-migration
#16
Ella Fung, Carmen Richter, Hong-Bin Yang, Isabell Schäffer, Roman Fischer, Benedikt M Kessler, Florian Bassermann, Vincenzo D'Angiolella
Aberrant centrosome organisation with ensuing alterations of microtubule nucleation capacity enables tumour cells to proliferate and invade despite increased genomic instability. CEP192 is a key factor in the initiation process of centrosome duplication and in the control of centrosome microtubule nucleation. However, regulatory means of CEP192 have remained unknown. Here, we report that FBXL13, a binding determinant of SCF (SKP1-CUL1-F-box)-family E3 ubiquitin ligases, is enriched at centrosomes and interacts with the centrosomal proteins Centrin-2, Centrin-3, CEP152 and CEP192...
January 18, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29347977/expansion-of-cytochrome-p450-and-cathepsin-genes-in-the-generalist-herbivore-brown-marmorated-stink-bug
#17
Raman Bansal, Andy Michel
BACKGROUND: The brown marmorated stink bug (Halyomorpha halys) is an invasive pest in North America which causes severe economic losses on tree fruits, ornamentals, vegetables, and field crops. The H. halys is an extreme generalist and this feeding behaviour may have been a major contributor behind its establishment and successful adaptation in invasive habitats of North America. To develop an understanding into the mechanism of H. halys' generalist herbivory, here we specifically focused on genes putatively facilitating its adaptation on diverse host plants...
January 18, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29347933/a-systematic-review-on-the-use-of-healthcare-services-by-undocumented-migrants-in-europe
#18
Marjolein Winters, Bernd Rechel, Lea de Jong, Milena Pavlova
BACKGROUND: Undocumented migrants face particular challenges in accessing healthcare services in many European countries. The aim of this study was to systematically review the academic literature on the utilization of healthcare services by undocumented migrants in Europe. METHODS: The databases Embase, Medline, Global Health and Cinahl Plus were searched systematically to identify quantitative, qualitative and mixed methods studies published in 2007-2017. RESULTS: A total of 908 articles were retrieved...
January 18, 2018: BMC Health Services Research
https://www.readbyqxmd.com/read/29347928/chronic-obstructive-pulmonary-disease-guidelines-in-europe-a-look-into-the-future
#19
REVIEW
Marc Miravitlles, Nicolas Roche, João Cardoso, David Halpin, Zaurbek Aisanov, Hannu Kankaanranta, Vladimir Kobližek, Paweł Śliwiński, Leif Bjermer, Michael Tamm, Francesco Blasi, Claus F Vogelmeier
Clinical practice guidelines are ubiquitous and are developed to provide recommendations for the management of many diseases, including chronic obstructive pulmonary disease. The development of these guidelines is burdensome, demanding a significant investment of time and money. In Europe, the majority of countries develop their own national guidelines, despite the potential for overlap or duplication of effort. A concerted effort and consolidation of resources between countries may alleviate the resource-intensity of maintaining individual national guidelines...
January 18, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29347912/genome-wide-analysis-of-the-potato-hsp20-gene-family-identification-genomic-organization-and-expression-profiles-in-response-to-heat-stress
#20
Peng Zhao, Dongdong Wang, Ruoqiu Wang, Nana Kong, Chao Zhang, Chenghui Yang, Wentao Wu, Haoli Ma, Qin Chen
BACKGROUND: Heat shock proteins (Hsps) are essential components in plant tolerance mechanism under various abiotic stresses. Hsp20 is the major family of heat shock proteins, but little of Hsp20 family is known in potato (Solanum tuberosum), which is an important vegetable crop that is thermosensitive. RESULTS: To reveal the mechanisms of potato Hsp20s coping with abiotic stresses, analyses of the potato Hsp20 gene family were conducted using bioinformatics-based methods...
January 18, 2018: BMC Genomics
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