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https://www.readbyqxmd.com/read/29775966/an-enigmatic-case-presentation-of-budd-chiari-syndrome-with-pulmonary-embolism-an-unusual-syndrome-with-an-uncommon-complication
#1
A M Al-Sharydah, A H Al-Abdulwahhab, H A Abu AlOla
INTRODUCTION: In patients with a hypercoagulable state, such as patients with pulmonary embolism and/or Budd-Chiari syndrome, the complications from multiple gene mutations are more numerous than those from a single mutation. The authors present a woman with no major prior medical history who presented with pulmonary embolism and Budd-Chiari syndrome; this enigmatic co-occurrence has never been solely reported without underlying aetiology in a patient without prior medical conditions...
May 3, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29775690/molecular-subtyping-of-colorectal-cancer-recent-progress-new-challenges-and-emerging-opportunities
#2
REVIEW
Wei Wang, Raju Kandimalla, Hao Huang, Lina Zhu, Ying Li, Feng Gao, Ajay Goel, Xin Wang
Colorectal cancer (CRC) is one of the leading causes of cancer-related deaths worldwide. Similar to many other malignancies, CRC is a heterogeneous disease, making it a clinical challenge for optimization of treatment modalities in reducing the morbidity and mortality associated with this disease. A more precise understanding of the biological properties that distinguish patients with colorectal tumors, especially in terms of their clinical features, is a key requirement towards a more robust, targeted-drug design, and implementation of individualized therapies...
May 15, 2018: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29775685/phenotypic-and-genetic-resistance-traits-in-pseudomonas-aeruginosa-strains-infecting-cystic-fibrosis-patients-a-french-cohort-study
#3
Nathalie Courtois, Yvan Caspar, Max Maurin
Pseudomonas aeruginosa is responsible for chronic respiratory tract colonisation and acute exacerbations in cystic fibrosis (CF) patients. This Gram-negative bacterium often develops multidrug resistance, which represents a therapeutic challenge. Our objective was to characterize the phenotypic and genetic β-lactam resistance traits of P. aeruginosa strains isolated from CF patients followed at Grenoble Alpes university hospital. The susceptibility to β-lactam compounds of 123 P. aeruginosa strains collected from the lower respiratory tract of 45 CF patients, between 2010 and 2014, was evaluated...
May 15, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29775296/incorporation-of-a-theranostic-two-tone-luminescent-silver-complex-into-biocompatible-agar-hydrogel-composite-for-the-eradication-of-eskape-pathogens-in-a-skin-and-soft-tissue-infection-model
#4
Miguel N Pinto, Jorge Martinez-Gonzalez, Indranil Chakraborty, Pradip K Mascharak
Microbial invasion and colonization of the skin and underlying soft tissues are among the most common types of infections, becoming increasingly prevalent in hospital settings. Systemic antibiotic chemotherapies are now extremely limited due to emergence of drug-resistant Gram-positive and multidrug-resistant Gram-negative bacterial strains. Topical administration of antimicrobials provides an effective route for the treatment of skin and soft tissue infections (SSTIs). Therefore, the development of new and effective materials for the delivery of these agents is of paramount importance...
May 18, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29774630/the-emerging-roles-of-long-non-coding-rna-in-cancer
#5
Anna Sanchez Calle, Yumi Kawamura, Yusuke Yamamoto, Fumitaka Takeshita, Takahiro Ochiya
Since comprehensive analysis of the mammalian genome has revealed that the vast majority of genomic products are transcribed in long non-coding RNAs (lncRNAs), increasing attention has been paid towards these transcripts. The applied next-generation sequencing technologies have provided accumulating evidence of dysregulated lncRNAs in cancer. The implication of this finding may be seen in many forms and at multiple levels. With impacts ranging from integrating chromatin remodeling complexes to regulating transcription and post-transcriptional processes, aberrant expression of lncRNAs may have repercussions in cell proliferation, tumor progression or metastasis...
May 17, 2018: Cancer Science
https://www.readbyqxmd.com/read/29774376/roles-of-heat-shock-factor-1-beyond-the-heat-shock-response
#6
REVIEW
János Barna, Péter Csermely, Tibor Vellai
Various stress factors leading to protein damage induce the activation of an evolutionarily conserved cell protective mechanism, the heat shock response (HSR), to maintain protein homeostasis in virtually all eukaryotic cells. Heat shock factor 1 (HSF1) plays a central role in the HSR. HSF1 was initially known as a transcription factor that upregulates genes encoding heat shock proteins (HSPs), also called molecular chaperones, which assist in refolding or degrading injured intracellular proteins. However, recent accumulating evidence indicates multiple additional functions for HSF1 beyond the activation of HSPs...
May 17, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29774299/spatial-distribution-and-cluster-analysis-of-dengue-using-self-organizing-maps-in-andhra-pradesh-india-2011-2013
#7
Srinivasa Rao Mutheneni, Rajasekhar Mopuri, Suchithra Naish, Deepak Gunti, Suryanarayana Murty Upadhyayula
Background and objectives: Dengue is an emerging and re-emerging infectious disease, transmitted by mosquitoes. It is mostly prevalent in tropical and sub-tropical regions of the world, particularly, in Asia-Pacific region. To understand the epidemiology and spatial distribution of dengue, a retrospective surveillance study was conducted in the state of Andhra Pradesh, India during 2011-2013. Material and methods: District-wise disease endemicity levels were mapped through geographical information system (GIS) tools...
February 2018: Parasite Epidemiology and Control
https://www.readbyqxmd.com/read/29774155/is-de-novo-hepatocellular-carcinoma-after-transjugular-intrahepatic-portosystemic-shunt-increased
#8
A Hüsing-Kabar, T Meister, M Köhler, W Domschke, I Kabar, C Wilms, B Hild, H H Schmidt, H S Heinzow
Background: Portal hypertension is a major complication of liver cirrhosis. Transjugular intrahepatic portosystemic shunt is effective in treatment of portal hypertension. However, decreased parenchymal portal venous flow after transjugular intrahepatic portosystemic shunt insertion favours ischaemic liver injury which has been discussed to induce hepatocarcinogenesis causing hepatocellular cancer. Aim: This study aimed to explore the association between transjugular intrahepatic portosystemic shunt placement and the development of hepatocellular cancer...
April 2018: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/29773960/checklist-of-bees-hymenoptera-apoidea-from-managed-emergent-wetlands-in-the-lower-mississippi-alluvial-valley-of-arkansas
#9
Phillip L Stephenson, Terry L Griswold, Michael S Arduser, Ashley P G Dowling, David G Krementz
Background: Here we present the results from a two-year bee survey conducted on 18 managed emergent wetlands in the lower Mississippi Alluvial Valley of Arkansas, USA. Sample methods included pan traps, sweep netting and blue-vane traps. We document 83 bee species and morphospecies in 5 families and 31 genera, of which 37 species represent first published state records for Arkansas. The majority of species were opportunistic wetland species; only a small number were wetland-dependent species or species largely restricted to alluvial plains...
2018: Biodiversity Data Journal
https://www.readbyqxmd.com/read/29773918/rna-modifying-proteins-as-anticancer-drug-targets
#10
REVIEW
P Ann Boriack-Sjodin, Scott Ribich, Robert A Copeland
All major biological macromolecules (DNA, RNA, proteins and lipids) undergo enzyme-catalysed covalent modifications that impact their structure, function and stability. A variety of covalent modifications of RNA have been identified and demonstrated to affect RNA stability and translation to proteins; these mechanisms of translational control have been termed epitranscriptomics. Emerging data suggest that some epitranscriptomic mechanisms are altered in human cancers as well as other human diseases. In this Review, we examine the current understanding of RNA modifications with a focus on mRNA methylation, highlight their possible roles in specific cancer indications and discuss the emerging potential of RNA-modifying proteins as therapeutic targets...
May 18, 2018: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/29773347/lipophilic-methylene-blue-analogues-enhance-mitochondrial-function-and-increase-frataxin-levels-in-a-cellular-model-of-friedreich-s-ataxia
#11
Omar M Khdour, Indrajit Bandyopadhyay, Sandipan Roy Chowdhury, Nishant P Visavadiya, Sidney M Hecht
Friedreich's ataxia (FRDA) is an autosomal recessive neurodegenerative disorder resulting from reduced expression of the protein frataxin (FXN). Although its function is not fully understood, frataxin appears to help assemble iron sulfur clusters; these are critical for the function of many proteins, including those needed for mitochondrial energy production. Finding ways to increase FXN levels has been a major therapeutic strategy for this disease. Previously, we described a novel series of methylene violet analogues and their structural optimization as potential therapeutic agents for neurodegenerative and mitochondrial disorders...
May 4, 2018: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/29773322/polarization-of-the-vaccination-debate-on-facebook
#12
Ana Lucía Schmidt, Fabiana Zollo, Antonio Scala, Cornelia Betsch, Walter Quattrociocchi
BACKGROUND: Vaccine hesitancy has been recognized as a major global health threat. Having access to any type of information in social media has been suggested as a potential influence on the growth of anti-vaccination groups. Recent studies w.r.t. other topics than vaccination show that access to a wide amount of content through the Internet without intermediaries resolved into major segregation of the users in polarized groups. Users select information adhering to theirs system of beliefs and tend to ignore dissenting information...
May 14, 2018: Vaccine
https://www.readbyqxmd.com/read/29773141/the-application-of-the-hyper-fluorescent-sensor-in-the-real-time-detection-of-h-2-o-2-in-babesia-bovis-merozoites-in-vitro
#13
Masahito Asada, Hassan Hakimi, Shin-Ichiro Kawazu
In recent years, genetically encoded fluorescent probes have allowed a dramatic advancement in time-lapse imaging, enabling this imaging modality to be used to investigate intracellular events in several apicomplexan parasite species. In this study, we constructed a plasmid vector to stably express a genetically encoded H2 O2 sensor probe called HyPer in Babesia bovis. The HyPer-transfected parasite population was successfully developed and subjected to a time-lapse imaging analysis under in vitro culture conditions...
May 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29773066/the-development-of-new-small-molecule-inhibitors-targeting-bacterial-metallo-%C3%AE-lactamases
#14
Ping Wang, Jing Cheng, Cong-Cong Liu, Kai Tang, Feng Xu, Zhiqiang Yu, Bin Yu, Junbiao Chang
Metallo-β-lactamases (MBLs) are a family of Zn(II)-dependent enzymes that can hydrolyze almost allβ-lactam antibiotics. Horizontal transferofthe genes encodingMBLsamong Gram-negative bacteria pathogens has led to the emergence of extensively drug-resistantpathogens, which now represent a major threat to human health.As there is not to date yet a clinicallyavailable MBL inhibitor, the discovery of new MBL inhibitors has great urgency. This review highlights the recent developments in the discovery of small-molecule MBL inhibitors...
May 17, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29772692/insurance-coverage-policies-for-pharmacogenomic-and-multi-gene-testing-for-cancer
#15
Christine Y Lu, Stephanie Loomer, Rachel Ceccarelli, Kathleen M Mazor, James Sabin, Ellen Wright Clayton, Geoffrey S Ginsburg, Ann Chen Wu
Insurance coverage policies are a major determinant of patient access to genomic tests. The objective of this study was to examine differences in coverage policies for guideline-recommended pharmacogenomic tests that inform cancer treatment. We analyzed coverage policies from eight Medicare contractors and 10 private payers for 23 biomarkers (e.g., HER2 and EGFR ) and multi-gene tests. We extracted policy coverage and criteria, prior authorization requirements, and an evidence basis for coverage. We reviewed professional society guidelines and their recommendations for use of pharmacogenomic tests...
May 16, 2018: Journal of Personalized Medicine
https://www.readbyqxmd.com/read/29772685/the-emergence-of-endophytic-microbes-and-their-biological-promise
#16
Gary Strobel
As is true with animal species, plants also have an associated microflora including endophytes as well as microbes associated with the phyllosphere and rhizosphere (plant surfaces) and this is considered the plant microbiome. However, those organisms within virtually all tissues and organs of the plant are known as endophytes. Most often fungi are the most frequently recovered endophytes from plant tissues, but bacterial forms generally occur in greater numbers, but not in species varieties. The exact biological/biochemical role of the endophyte in the plant and how it interacts with the plant and other endophytes and plant associated organisms has not been intensely and carefully examined...
May 16, 2018: Journal of Fungi (Basel, Switzerland)
https://www.readbyqxmd.com/read/29772548/epigenetic-regulation-of-genes-involved-in-the-reverse-cholesterol-transport-through-interaction-with-mirnas
#17
Mohamed Zaiou, Bertrand Henri Rihn, Ahmed Bakillah
microRNAs (miRNAs) are a group of small non-coding RNA molecules known to regulate target genes at the post-transcriptional level. miRNAs are implicated in the regulation of multiple pathophysiological processes including dyslipidemia, a major risk factor for atherosclerosis. Emerging evidence suggests that miRNAs act as a novel class of epigenetic regulators of high-density lipoproteins cholesterol (HDL-C) from synthesis to clearance contributing remarkably to the pathogenesis of atherosclerosis. Accumulating studies have revealed that miRNAs such as miR-33, miR-27, miR-144, miR-758 and miR-20 are involved in the post-transcriptional control of ABCA1, ABCG1 and SCARB1 genes regulatory network of the reverse cholesterol transport (RCT)...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29772397/grandmother-and-health-care-professional-breastfeeding-perspectives-provide-opportunities-for-health-promotion-in-an-american-indian-community
#18
Bailey Houghtaling, Carmen Byker Shanks, Selena Ahmed, Elizabeth Rink
RATIONALE: While breastfeeding is well recognized as beneficial, rates of breastfeeding among American Indian women are below average and contribute to health inequities. Culturally specific approaches to breastfeeding research are called for to inform appropriate interventions in American Indian communities. Specifically, a grandmother's role in breastfeeding promotion is of great import particularly in American Indian (AI) groups, although is an understudied topic to date. OBJECTIVE: This research seeks to fill a prominent literature gap by utilizing a grounded theory and community-based research approach to inform breastfeeding practices from the voices of grandmothers and health care professionals in a rural AI community in the United States...
May 8, 2018: Social Science & Medicine
https://www.readbyqxmd.com/read/29772289/nose-to-brain-drug-delivery-an-update-on-clinical-challenges-and-progress-towards-approval-of-anti-alzheimer-drugs
#19
REVIEW
Mukta Agrawal, Swarnlata Saraf, Shailendra Saraf, Sophia G Antimisiaris, Mahavir Chougule, Sunday A Shoyele, Amit Alexander
According to the Alzheimer Association Report (2017), Alzheimer's disease (AD) is the 6th primary cause of death in the USA, which affects nearly 5.5 million people. In the year 2017 itself, the cost of AD treatment in the USA has been reported to rise to $259 billion. This statistic shows the severity of the disease in the USA which is very much similar across the globe. On the other hand, the treatment remains limited to a few conventional oral medications (approved by FDA). These are mainly acting superficially from mild to the moderate AD...
May 14, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29772252/sulfiredoxin-1-enhances-cardiac-progenitor-cell-survival-against-oxidative-stress-via-the-upregulation-of-the-erk-nrf2-signal-pathway
#20
Xiuchun Li, Pan He, Xiaoliang Wang, Shuning Zhang, Neil Devejian, Edward Bennett, Chuanxi Cai
Cardiac stem/progenitor cells (CPCs) have recently emerged as a potentially transformative regenerative medicine to repair the infarcted heart. However, the limited survival of donor cells is one of the major challenges for CPC therapy. Our recent research effort on preconditioning human CPCs (hCPCs) with cobalt protoporphyrin (CoPP) indicated that sulfiredoxin-1 (SRXN1) is upregulated upon preconditioning aldehyde dehydrogenase bright hCPCs (ALDHbr -hCPCs) with CoPP. Further studies demonstrated that overexpressing SRXN1 enhanced the survival capacity for ALDHbr -hCPCs...
May 14, 2018: Free Radical Biology & Medicine
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