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https://www.readbyqxmd.com/read/29353421/1-day-or-5-day-fecal-samples-which-one-is-more-beneficial-to-be-used-for-dna-based-gut-microbiota-study
#1
Tingting Su, Rongbei Liu, Yanqin Long, Sheng Quan, Sanchuan Lai, Lan Wang, Jianmin Si, Shujie Chen
Fecal sample collection is an important influential factor for DNA-based gut microbiota study. It is controversial whether the microbiome detected in fecal sample collected at one random day could fully represent the gut microbial community. The aim of the study is to figure out whether the use of fecal sample mixture collected at consecutive 5 days could more accurately represent gut microbial community. 1- and 5-day fecal samples were collected from 8 healthy adults and analyzed by 16S rRNA sequence. Our results indicated that both 1-day fecal samples and 5-day samples exhibited relatively high repeatability...
January 20, 2018: Current Microbiology
https://www.readbyqxmd.com/read/29353403/genetic-polymorphism-in-hsp90aa1-gene-is-associated-with-the-thermotolerance-in-chinese-holstein-cows
#2
T M Badri, K L Chen, M A Alsiddig, Lian Li, Yafei Cai, G L Wang
The heat shock protein 90 (Hsp90) is a copious and ubiquitous molecular chaperone which plays an essential role in many cellular biological processes. The objective of this study was to identify single nucleotide polymorphisms (SNPs) in the Hsp90AA1 gene and to determine their association with heat stress traits in Chinese Holstein cattle breed. Direct sequencing was used to identify new SNPs. Luciferase reporter assay methods were used to assess g.- 87G > C and g.4172A > G loci in the promoter activity and 3'-UTR, respectively...
January 20, 2018: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/29353346/singleplex-quantitative-real-time-pcr-for-the-assessment-of-human-mitochondrial-dna-quantity-and-quality
#3
Corey Goodwin, Denice Higgins, Shanan S Tobe, Jeremy Austin, Andrew Wotherspoon, Michelle E Gahan, Dennis McNevin
Mitochondrial DNA (mtDNA) can provide a means for forensic identity testing when genotyping of nuclear DNA (nuDNA) targets is not possible due to degradation or lack of template. For degraded samples, an indication of the quantity and quality of mtDNA is essential to allow selection of appropriately sized targets for hypervariable region (HVR) analysis, which may conserve sample and resources. Three human-specific mtDNA targets of increasing length (86, 190 and 452 base pairs) were amplified by singleplex quantitative real-time PCR (qPCR), capable of providing an index of mtDNA degradation from fragment length information...
January 20, 2018: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/29353324/stromalized-microreactor-supports-murine-hematopoietic-progenitor-enrichment
#4
Danika Khong, Matthew Li, Amy Singleton, Ling-Yee Chin, Biju Parekkadan
There is an emerging need to process, expand, and even genetically engineer hematopoietic stem and progenitor cells (HSPCs) prior to administration for blood reconstitution therapy. A closed-system and automated solution for ex vivo HSC processing can improve adoption and standardize processing techniques. Here, we report a recirculating flow bioreactor where HSCs are stabilized and enriched for short-term processing by indirect fibroblast feeder coculture. Mouse 3 T3 fibroblasts were seeded on the extraluminal membrane surface of a hollow fiber micro-bioreactor and were found to support HSPC cell number compared to unsupported BMCs...
January 20, 2018: Biomedical Microdevices
https://www.readbyqxmd.com/read/29353308/single-stage-autotrophic-nitrogen-removal-process-at-high-loading-rate-granular-reactor-performance-kinetics-and-microbial-characterization
#5
Feiyue Qian, Abebe Temesgen Gebreyesus, Jianfang Wang, Yaoliang Shen, Wenru Liu, Lulin Xie
For the possible highest performance of single-stage combined partial nitritation/anammox (PNA) process, a continuous complete-mix granular reactor was operated at progressively higher nitrogen loading rate. The variations in bacterial community structure of granules were also characterized using high-throughput pyrosequencing, to give a detail insight to the relationship between reactor performance and functional organism abundance within completely autotrophic nitrogen removal system. In 172 days of operation, a superior total nitrogen (TN) removal rate over 3...
January 20, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29353281/the-effectiveness-of-dietary-approaches-to-stop-hypertension-diet-intervention-in-persons-with-arterial-hypertension-and-obesity-a-key-role-of-the-patients-personality-profile
#6
Alicja Kucharska, Mariusz Jaworski, Mariusz Panczyk, Magdalena Pilska, Danuta Gajewska, Joanna Niegowska
BACKGROUND/AIMS: Benefits resulting from weight loss and dietary approaches to stop hypertension (DASH) diet in the treatment of arterial hypertension led to a search for a better therapy that would include psychological factors. The present study aimed to assess the relationship between the personality traits included in the Big Five personality traits and the effectiveness of treatment for weight loss in patients with essential hypertension and excessive body weight. METHODS: The study involved 84 patients with essential hypertension, overweight or obesity, managed by a hypertensiologist...
January 19, 2018: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/29353265/growth-sexual-and-bone-development-in-a-boy-with-bilateral-anorchia-under-testosterone-treatment-guided-by-the-development-of-his-monozygotic-twin
#7
Sara Vandewalle, Eva Van Caenegem, Margarita Craen, Youri Taes, Jean-Marc Kaufman, Guy T'Sjoen
BACKGROUND: Sex steroids are essential for sexual maturation, linear growth and bone development. However, there is no consensus on the optimal timing, dosage and dosage interval of testosterone therapy to induce pubertal development and achieve a normal adult height and bone mass in children with hypogonadism. CASE PRESENTATION: A monozygotic monochorial male twin pair, of which one boy was diagnosed with anorchia at birth due to testicular regression syndrome was followed from the age of 3 until the age of 18 years...
January 20, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29353252/systematic-review-of-general-practice-end-of-life-symptom-control
#8
REVIEW
Geoffrey K Mitchell, Hugh E Senior, Claire L Johnson, Julia Fallon-Ferguson, Briony Williams, Leanne Monterosso, Joel J Rhee, Peta McVey, Matthew P Grant, Michèle Aubin, Harriet Tg Nwachukwu, Patsy M Yates
BACKGROUND: End of life care (EoLC) is a fundamental role of general practice, which will become more important as the population ages. It is essential that general practice's role and performance of at the end of life is understood in order to maximise the skills of the entire workforce. OBJECTIVE: To provide a comprehensive description of the role and performance of general practitioners (GPs) and general practice nurses (GPNs) in EoLC symptom control. METHOD: Systematic literature review of papers from 2000 to 2017 were sought from Medline, PsycINFO, Embase, Joanna Briggs Institute and Cochrane databases...
January 20, 2018: BMJ Supportive & Palliative Care
https://www.readbyqxmd.com/read/29353241/inhibition-of-endothelial-notch-signaling-impairs-fatty-acid-transport-and-leads-to-metabolic-and-vascular-remodeling-of-the-adult-heart
#9
Markus Jabs, Adam J Rose, Lorenz H Lehmann, Jacqueline Taylor, Iris Moll, Tjeerd P Sijmonsma, Stefanie E Herberich, Sven W Sauer, Gernot Poschet, Giuseppina Federico, Carolin Mogler, Eva-Maria Weis, Hellmut G Augustin, Minhong Yan, Norbert Gretz, Roland M Schmid, Ralf H Adams, Hermann-Joseph Gröne, Rüdiger Hell, Jürgen G Okun, Johannes Backs, Peter P Nawroth, Stephan Herzig, Andreas Fischer
Background -Nutrients are transported through endothelial cells before being metabolized in muscle cells. However, little is known about the regulation of endothelial transport processes. Notch signaling is a critical regulator of metabolism and angiogenesis during development. Here, we studied how genetic and pharmacological manipulation of endothelial Notch signaling in adult mice affects endothelial fatty acid transport, cardiac angiogenesis, and heart function. Methods -Endothelial-specific Notch inhibition was achieved by conditional genetic inactivation of Rbp-jκ in adult mice to analyze fatty acid metabolism and heart function...
January 20, 2018: Circulation
https://www.readbyqxmd.com/read/29353179/features-of-borderline-personality-disorder-as-a-mediator-of-the-relation-between-childhood-traumatic-experiences-and-psychosis-like-experiences-in-patients-with-mood-disorder
#10
Ilya Baryshnikov, Kari Aaltonen, Jaana Suvisaari, Maaria Koivisto, Martti Heikkinen, Grigori Joffe, Erkki Isometsä
BACKGROUND: Psychosis-like experiences (PEs) are common in patients with non-psychotic disorders. Several factors predict reporting of PEs in mood disorders, including mood-associated cognitive biases, anxiety and features of borderline personality disorder (BPD). Childhood traumatic experiences (CEs), often reported by patients with BPD, are an important risk factor for mental disorders. We hypothesized that features of BPD may mediate the relationship between CEs and PEs. In this study, we investigated the relationships between self-reported PEs, CEs and features of BPD in patients with mood disorders...
January 17, 2018: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29353160/prediction-of-venous-thromboembolism-using-semantic-and-sentiment-analyses-of-clinical-narratives
#11
Susan Sabra, Khalid Mahmood Malik, Mazen Alobaidi
Venous thromboembolism (VTE) is the third most common cardiovascular disorder. It affects people of both genders at ages as young as 20 years. The increased number of VTE cases with a high fatality rate of 25% at first occurrence makes preventive measures essential. Clinical narratives are a rich source of knowledge and should be included in the diagnosis and treatment processes, as they may contain critical information on risk factors. It is very important to make such narrative blocks of information usable for searching, health analytics, and decision-making...
January 3, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29353129/keeping-it-together-and-falling-apart-women-s-dynamic-experience-of-birth
#12
Priscilla J Hall, Jennifer Whitman Foster, Kathryn M Yount, Bonnie Mowinski Jennings
OBJECTIVE: To explore the complexity of women's birth experiences in the context in which they occur and to describe how these influence women's well-being in labor. DESIGN: Qualitative method with a phenomenological approach, following the analysis principles of van Manen. PARTICIPANTS AND SETTING: Eight women from different ethnic and socioeconomic backgrounds in Atlanta, Georgia, United States with a recent, healthy birth were interviewed twice about their experience of the labor journey...
December 14, 2017: Midwifery
https://www.readbyqxmd.com/read/29353105/biomimetic-and-enzyme-responsive-dynamic-hydrogels-for-studying-cell-matrix-interactions-in-pancreatic-ductal-adenocarcinoma
#13
Hung-Yi Liu, Murray Korc, Chien-Chi Lin
The tumor microenvironment (TME) governs all aspects of cancer progression and in vitro 3D cell culture platforms are increasingly developed to emulate the interactions between components of the stromal tissues and cancer cells. However, conventional cell culture platforms are inadequate in recapitulating the TME, which has complex compositions and dynamically changing matrix mechanics. In this study, we developed a dynamic gelatin-hyaluronic acid hybrid hydrogel system through integrating modular thiol-norbornene photopolymerization and enzyme-triggered on-demand matrix stiffening...
January 8, 2018: Biomaterials
https://www.readbyqxmd.com/read/29353078/blood-biochemical-parameters-and-melanomacrophage-centers-in-nile-tilapia-fed-essential-oils-of-clove-basil-and-ginger
#14
Aline Brum, Scheila Anelise Pereira, Lucas Cardoso, Edsandra Campos Chagas, Francisco Célio Maia Chaves, José Luiz Pedreira Mouriño, Maurício Laterça Martins
Nile tilapia (Oreochromis niloticus) is the most farmed freshwater fish in the world, however, disease outbreaks are the main cause of losses in production. Due to this, there is an increasing interest in natural products for enhancing disease resistance, without causing physiological impairment. The aim of this study was to verify the effect of the essential oils of clove basil (Ocimum gratissimum) and ginger (Zingiber officinale) on physiological and immunological parameters of nile tilapia. After 35 and 55 days of supplementation (0...
January 15, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29353060/parathyroid-hormone-related-protein-contributes-to-early-healing-of-habu-snakevenom-induced-glomerulonephritis-in-mice
#15
Mazène Hochane, Denis Raison, Catherine Coquard, Claire Béraud, Sabrina Danilin, Audrey Bethry, Thierry Massfelder, Mariette Barthelmebs
Proliferative glomerulonephritis is characterized by local inflammation and mesangial cell deterioration, followed by mesangial proliferation and glomerular healing. Parathyroid-hormone-related peptide (PTHrP) is a mesangial cytokine-like growth factor implicated in mesangial proliferation and survival. No data are available about its role in glomerulonephritis. Herein, we analyzed the expression and role of PTHrP in glomerular inflammation and healing in an experimental model of glomerulonephritis induced by intravenous injection of Habu-snake venom in mice...
January 15, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29353059/ask-family-kinases-are-required-for-optimal-nlrp3-inflammasome-priming
#16
David E Place, Parimal Samir, Rajendra Karki, Benoit Briard, Peter Vogel, Thirumala-Devi Kanneganti
Activation of the multimeric inflammasome complex leads to inflammatory responses to biotic and abiotic triggers. The inflammasome sensor, Nod-like receptor family Pyrin domain containing 3 (NLRP3), is activated by a range of stimuli and is tightly regulated to restrict excessive inflammation. Because NLRP3 responds broadly to cellular insults and regulates cell death similar to the stress-activated apoptosis signal-regulating kinases 1 and 2 (ASK1/2), we hypothesized that ASK1/2 may regulate NLRP3 activity...
January 15, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29353041/fads2-inhibition-in-essential-fatty-acid-deficiency-induces-hepatic-lipid-accumulation-via-impairment-of-very-low-density-lipoprotein-vldl-secretion
#17
Yuri Hayashi, Ayano Shimamura, Tomoko Ishikawa, Yoko Fujiwara, Ikuyo Ichi
Fatty acid desaturase 2 (FADS2) is responsible for the first desaturation reaction in the synthesis of highly unsaturated fatty acids (HUFAs), such as arachidonic acid (20:4n-6) and eicosapentaenoic acid (20:5n-3), and is involved in Mead acid (20:3n-9) production during essential fatty acid deficiency (EFAD). In this study, an obvious hepatic lipid accumulation was observed in EFAD mice treated with a FADS2 inhibitor. FADS2 inhibition in the EFAD state reduced secretion of very low-density lipoprotein (VLDL) and markedly diminished Mead acid in phosphatidylcholine (PC) in the liver and plasma...
January 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29353034/impact-of-targeted-scanning-protocols-on-perinatal-outcomes-in-pregnancies-at-risk-of-placenta-accreta-spectrum-or-vasa-previa
#18
Yaakov Melcer, Eric Jauniaux, Shlomit Maymon, Anna Tsviban, Marina Pekar-Zlotin, Moshe Betser, Ron Maymon
BACKGROUND: Placenta accreta spectrum (PAS) and vasa previa (VP) are congenital disorders of placentation associated with high morbidity and mortality for both mothers and newborns when undiagnosed before delivery. Prenatal diagnosis of these conditions is essential to allow multidisciplinary management and thus improve perinatal outcomes. OBJECTIVES: To compare perinatal outcome in women with PAS or VP before and after implementation of targeted scanning protocols...
January 15, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29353004/leishmania-tropica-isolates-from-non-healed-and-healed-patients-in-iran-a-molecular-typing-and-phylogenetic-analysis
#19
Mehdi Bamorovat, Iraj Sharifi, Mohammad Ali Mohammadi, Sana Eybpoosh, Saeid Nasibi, Mohammad Reza Aflatoonian, Ahmad Khosravi
The precise identification of the parasite species causing leishmaniasis is essential for selecting proper treatment modality. The present study aims to compare the nucleotide variations of the ITS1, 7SL RNA, and Hsp70 sequences between non-healed and healed anthroponotic cutaneous leishmaniasis (ACL) patients in major foci in Iran. A case-control study was carried out from September 2015 to October 2016 in the cities of Kerman and Bam, in the southeast of Iran. Randomly selected skin-scraping lesions of 40 patients (20 non-healed and 20 healed) were examined and the organisms were grown in a culture medium...
January 15, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29352860/towards-targeting-resolution-pathways-of-airway-inflammation-in-asthma
#20
REVIEW
Cindy Barnig, Nelly Frossard, Bruce D Levy
Asthma is a chronic disorder characterized by persistent inflammation of the airways with mucosal infiltration of eosinophils, T lymphocytes, and mast cells, and release of proinflammatory cytokines and lipid mediators. The natural resolution of airway inflammation is now recognized as an active host response, with highly coordinated cellular events under the control of endogenous pro-resolving mediators that enable the restoration of tissue homeostasis. Lead members of proresolving mediators are enzymatically derived from essential polyunsaturated fatty acids, including arachidonic acid-derived lipoxins, eicosapentaenoic acid-derived E-series resolvins, and docosahexaenoic acid-derived D-series resolvins, protectins, and maresins...
January 17, 2018: Pharmacology & Therapeutics
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