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https://www.readbyqxmd.com/read/28092776/periosteum-tissue-engineering-in-an-orthotopic-in%C3%A2-vivo-platform
#1
J G Baldwin, F Wagner, L C Martine, B M Holzapfel, C Theodoropoulos, O Bas, F M Savi, C Werner, E M De-Juan-Pardo, D W Hutmacher
The periosteum plays a critical role in bone homeostasis and regeneration. It contains a vascular component that provides vital blood supply to the cortical bone and an osteogenic niche that acts as a source of bone-forming cells. Periosteal grafts have shown promise in the regeneration of critical size defects, however their limited availability restricts their widespread clinical application. Only a small number of tissue-engineered periosteum constructs (TEPCs) have been reported in the literature. A current challenge in the development of appropriate TEPCs is a lack of pre-clinical models in which they can reliably be evaluated...
November 20, 2016: Biomaterials
https://www.readbyqxmd.com/read/28092684/biallelic-mutations-in-the-3-exonuclease-toe1-cause-pontocerebellar-hypoplasia-and-uncover-a-role-in-snrna-processing
#2
Rea M Lardelli, Ashleigh E Schaffer, Veerle R C Eggens, Maha S Zaki, Stephanie Grainger, Shashank Sathe, Eric L Van Nostrand, Zinayida Schlachetzki, Basak Rosti, Naiara Akizu, Eric Scott, Jennifer L Silhavy, Laura Dean Heckman, Rasim Ozgur Rosti, Esra Dikoglu, Anne Gregor, Alicia Guemez-Gamboa, Damir Musaev, Rohit Mande, Ari Widjaja, Tim L Shaw, Sebastian Markmiller, Isaac Marin-Valencia, Justin H Davies, Linda de Meirleir, Hulya Kayserili, Umut Altunoglu, Mary Louise Freckmann, Linda Warwick, David Chitayat, Susan Blaser, Ahmet Okay Çağlayan, Kaya Bilguvar, Huseyin Per, Christina Fagerberg, Henrik T Christesen, Maria Kibaek, Kimberly A Aldinger, David Manchester, Naomichi Matsumoto, Kazuhiro Muramatsu, Hirotomo Saitsu, Masaaki Shiina, Kazuhiro Ogata, Nicola Foulds, William B Dobyns, Neil C Chi, David Traver, Luigina Spaccini, Stefania Maria Bova, Stacey B Gabriel, Murat Gunel, Enza Maria Valente, Marie-Cecile Nassogne, Eric J Bennett, Gene W Yeo, Frank Baas, Jens Lykke-Andersen, Joseph G Gleeson
Deadenylases are best known for degrading the poly(A) tail during mRNA decay. The deadenylase family has expanded throughout evolution and, in mammals, consists of 12 Mg(2+)-dependent 3'-end RNases with substrate specificity that is mostly unknown. Pontocerebellar hypoplasia type 7 (PCH7) is a unique recessive syndrome characterized by neurodegeneration and ambiguous genitalia. We studied 12 human families with PCH7, uncovering biallelic, loss-of-function mutations in TOE1, which encodes an unconventional deadenylase...
January 16, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28092651/long-lasting-antinociceptive-effects-of-green-light-in-acute-and-chronic-pain-in-rats
#3
Mohab M Ibrahim, Amol Patwardhan, Kerry B Gilbraith, Aubin Moutal, Xiaofang Yang, Lindsey A Chew, Tally Largent-Milnes, T Philip Malan, Todd W Vanderah, Frank Porreca, Rajesh Khanna
Treatments for chronic pain are inadequate, and new options are needed. Nonpharmaceutical approaches are especially attractive with many potential advantages including safety. Light therapy has been suggested to be beneficial in certain medical conditions such as depression, but this approach remains to be explored for modulation of pain. We investigated the effects of light-emitting diodes (LEDs), in the visible spectrum, on acute sensory thresholds in naive rats as well as in experimental neuropathic pain...
February 2017: Pain
https://www.readbyqxmd.com/read/28092613/effects-of-udder-infections-with-staphylococcus-xylosus-and-staphylococcus-warneri-on-the-composition-and-physicochemical-changes-in-cows-milk
#4
M Vasil, E Pecka-Kiełb, J Elečko, A Zachwieja, W Zawadzki, F Zigo, J Illek, Z Farkašová
The aim of this study was an evaluation of the effects of two species of coagulase negative staphylococci (CNS), Staphylococcus xylosus and Staphylococcus warneri, on the changes in technological parameters of cows' milk. The study was conducted in a herd of Slovak Pied cattle breed (with share of HF blood). Based on the performance results from three subsequent months, cows in the 2nd and 3rd lactation with SCC up to 200 thousand/ml (8 heads, 32 quarters), and above 800 thousand/ml (8 heads, 32 quarters), after the 4th month of lactation, were selected...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092611/prevalence-of-bovine-herpesvirus-type-4-in-aborting-dairy-cows
#5
Đ Cvetojević, B Savić, V Milićević, B Kureljušić, N Jezdimirović, D Jakić-Dimić, M Pavlović, Lj Spalević
Bovine herpesvirus type 4 (BHV-4) is related to many different conditions: infertility, postpartal metritis, vulvovaginitis, mastitis, encephalitis, calf pneumonia, keratoconjunctivitis, cutaneous lesions, digital dermatitis and abortion. In this study a retrospective PCR examination of 100 extracted DNA samples from aborting cows was performed in order to determine: prevalence of BHV-4 in abortive cattle, whether coinfections BHV-4 with other abortifacient pathogens are present in the same sample and to determine the month of gestation when BHV-4 associated abortions were detected...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092605/molecular-diversity-of-clostridium-botulinum-and-phenotypically-similar-strains
#6
T Grenda, E Kukier, Z Sieradzki, M Goldsztejn, K Kwiatek
This study was undertaken to examine phenotypic and genetic features of strains preliminary classified as Clostridium botulinum species. The phenotypic characteristics were assessed with different culture media and biochemical tests. The genetic characterization included detection of botulinum toxin genes by PCR and macrorestriction analysis with SmaI, XhoI and SacII by PFGE (Pulsed-field Gel Electrophoresis). Despite similar biochemical properties of all analysed strains, only 47% of them contained genes determining toxicity specific to C...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092596/a-general-framework-of-dynamic-constrained-multiobjective-evolutionary-algorithms-for-constrained-optimization
#7
Sanyou Zeng, Ruwang Jiao, Changhe Li, Xi Li, Jawdat S Alkasassbeh
A novel multiobjective technique is proposed for solving constrained optimization problems (COPs) in this paper. The method highlights three different perspectives: 1) a COP is converted into an equivalent dynamic constrained multiobjective optimization problem (DCMOP) with three objectives: a) the original objective; b) a constraint-violation objective; and c) a niche-count objective; 2) a method of gradually reducing the constraint boundary aims to handle the constraint difficulty; and 3) a method of gradually reducing the niche size aims to handle the multimodal difficulty...
January 16, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28092369/context-dependent-role-for-chromatin-remodeling-component-pbrm1-baf180-in-clear-cell-renal-cell-carcinoma
#8
A Murakami, L Wang, S Kalhorn, P Schraml, W K Rathmell, A C Tan, R Nemenoff, K Stenmark, B-H Jiang, M E Reyland, L Heasley, C-J Hu
A subset of clear cell renal cell carcinoma (ccRCC) tumors exhibit a HIF1A gene mutation, yielding two ccRCC tumor types, H1H2 type expressing both HIF1α and HIF2α, and H2 type expressing HIF2α, but not functional HIF1α protein. However, it is unclear how the H1H2 type ccRCC tumors escape HIF1's tumor-suppressive activity. The polybromo-1 (PBRM1) gene coding for the BAF180 protein, a component of the SWItch/Sucrose Non-Fermentable (SWI/SNF) chromatin remodeling complex, is inactivated in 40% ccRCCs, the function and mechanism of BAF180 mutation is unknown...
January 16, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28092365/cancer-cell-chemokines-direct-chemotaxis-of-activated-stellate-cells-in-pancreatic-ductal-adenocarcinoma
#9
Ishan Roy, Kathleen A Boyle, Emily P Vonderhaar, Noah P Zimmerman, Egal Gorse, A Craig Mackinnon, Rosa F Hwang, Janusz Franco-Barraza, Edna Cukierman, Susan Tsai, Douglas B Evans, Michael B Dwinell
The mechanisms by which the extreme desmoplasia observed in pancreatic tumors develops remain unknown and its role in pancreatic cancer progression is unsettled. Chemokines have a key role in the recruitment of a wide variety of cell types in health and disease. Transcript and protein profile analyses of human and murine cell lines and human tissue specimens revealed a consistent elevation in the receptors CCR10 and CXCR6, as well as their respective ligands CCL28 and CXCL16. Elevated ligand expression was restricted to tumor cells, whereas receptors were in both epithelial and stromal cells...
January 16, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28092101/the-cross-regulation-between-sox15-and-wnt-signaling-pathway
#10
REVIEW
Ali Moradi, Faezeh Ghasemi, Kazem Anvari, Seyed Mahdi Hassanian, Saeideh Ahmadi Simab, Safieh Ebrahimi, Amirreza Hesari, Mohammad Mahdi Forghanifard, Mohammad Taher Boroushaki, Soodabeh ShahidSales, Amir Avan
WNT/B-CATENIN signaling pathway is one of the key dysregulated pathways in different tumor types, which regulate the expression of several genes involved in cell proliferation, differentiation, and survival. This pathway is being modulated by sex-determining region Y-box (SOX) family genes. The functions of these genes are suggested as tumor suppressor or oncogene. SOX genes transcribe a group of transcription factors that play important roles in embryonic development and carcinogenesis. Among them, SOX15 is recently been identified as a novel tumor suppressor in pancreatic and esophagus cancers with a potential role in modulating Wnt/b-catenin signaling...
January 16, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28091834/using-twitter-to-assess-the-public-response-to-the-united-states-preventive-services-task-force-guidelines-on-lung-cancer-screening-with-low-dose-chest-ct
#11
Siddharth Khasnavis, Andrew B Rosenkrantz, Vinay Prabhu
To use Twitter to assess the immediate public response to the United States Preventive Services Task Force (USPSTF) 2013 draft guidelines on lung cancer screening with low-dose chest CT (LDCT). The number of tweets including the phrases "lung cancer screening," "lung CT," "chest CT," "low dose computed tomography," "low dose CT," or "LDCT" was recorded for 6 days before and after guidelines release. A systematic sample of 172 tweets from the week following release was coded for user type, tweet opinion, linked article source, and article opinion...
January 13, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28091625/mplex-a-method-for-simultaneous-pathogen-inactivation-and-extraction-of-samples-for-multi-omics-profiling
#12
Kristin E Burnum-Johnson, Jennifer E Kyle, Amie J Eisfeld, Cameron P Casey, Kelly G Stratton, Juan F Gonzalez, Fabien Habyarimana, Nicholas M Negretti, Amy C Sims, Sadhana Chauhan, Larissa B Thackray, Peter J Halfmann, Kevin B Walters, Young-Mo Kim, Erika M Zink, Carrie D Nicora, Karl K Weitz, Bobbie-Jo M Webb-Robertson, Ernesto S Nakayasu, Brian Ahmer, Michael E Konkel, Vladimir Motin, Ralph S Baric, Michael S Diamond, Yoshihiro Kawaoka, Katrina M Waters, Richard D Smith, Thomas O Metz
The continued emergence and spread of infectious agents is of great concern, and systems biology approaches to infectious disease research can advance our understanding of host-pathogen relationships and facilitate the development of new therapies and vaccines. Molecular characterization of infectious samples outside of appropriate biosafety containment can take place only subsequent to pathogen inactivation. Herein, we describe a modified Folch extraction using chloroform/methanol that facilitates the molecular characterization of infectious samples by enabling simultaneous pathogen inactivation and extraction of proteins, metabolites, and lipids for subsequent mass spectrometry-based multi-omics measurements...
January 16, 2017: Analyst
https://www.readbyqxmd.com/read/28091624/paracrine-cross-talk-between-skeletal-muscle-and-macrophages-in-exercise-by-pgc-1%C3%AE-controlled-bnp
#13
Regula Furrer, Petra S Eisele, Alexander Schmidt, Markus Beer, Christoph Handschin
Activation of resident and infiltrating immune cells is a central event in training adaptation and other contexts of skeletal muscle repair and regeneration. A precise orchestration of inflammatory events in muscle fibers and immune cells is required after recurrent contraction-relaxation cycles. However, the mechanistic aspects of this important regulation remain largely unknown. We now demonstrate that besides a dominant role in controlling cellular metabolism, the peroxisome proliferator-activated receptor γ co-activator 1α (PGC-1α) also has a profound effect on cytokine expression in muscle tissue...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091589/platelet-monocyte-and-neutrophil-activation-and-glucose-tolerance-in-south-african-mixed-ancestry-individuals
#14
Glenda M Davison, Bongani B Nkambule, Zibusiso Mkandla, Gloudina M Hon, Andre P Kengne, Rajiv T Erasmus, Tandi E Matsha
Platelet activation has been described in patients with chronic inflammation, however in type 2 diabetes mellitus it remains controversial. We compared levels of platelet leucocyte aggregates, monocyte and granulocyte activation across glucose tolerance statuses in mixed ancestry South Africans. Individuals (206) were recruited from Bellville-South, Cape Town, and included 66% with normal glucose tolerance, 18.7% pre-diabetes, 8.7% screen-detected diabetes and 6.3% known diabetes. Monocyte and neutrophil activation were measured by calculating the percentage of cells expressing CD142 and CD69 while platelet monocyte aggregates were defined as CD14(++) CD42b(+) events and platelet neutrophil aggregates as CD16(++) CD42b(+) events...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091579/impact-of-age-and-vaccination-history-on-long-term-serological-responses-after-symptomatic-b-pertussis-infection-a-high-dimensional-data-analysis
#15
Inonge van Twillert, Axel A Bonačić Marinović, Betsy Kuipers, Jacqueline A M van Gaans-van den Brink, Elisabeth A M Sanders, Cécile A C M van Els
Capturing the complexity and waning patterns of co-occurring immunoglobulin (Ig) responses after clinical B. pertussis infection may help understand how the human host gradually loses protection against whooping cough. We applied bi-exponential modelling to characterise and compare B. pertussis specific serological dynamics in a comprehensive database of IgG, IgG subclass and IgA responses to Ptx, FHA, Prn, Fim2/3 and OMV antigens of (ex-) symptomatic pertussis cases across all age groups. The decay model revealed that antigen type and age group were major factors determining differences in levels and kinetics of Ig (sub) classes...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091556/vegf-b-promotes-recovery-of-corneal-innervations-and-trophic-functions-in-diabetic-mice
#16
Guohu Di, Xiaowen Zhao, Xia Qi, Songmei Zhang, Lu Feng, Weiyun Shi, Qingjun Zhou
Vascular endothelial growth factor (VEGF)-B possesses the capacity of promoting injured peripheral nerve regeneration and restore their sensory and trophic functions. However, the contribution and mechanism of VEGF-B in diabetic peripheral neuropathy remains unclear. In the present study, we investigated the expression and role of VEGF-B in diabetic corneal neuropathy by using type 1 diabetic mice and cultured trigeminal ganglion (TG) neurons. Hyperglycemia attenuated the endogenous expression of VEGF-B in regenerated diabetic corneal epithelium, but not that of VEGF receptors in diabetic TG neurons and axons...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091344/a-comprehensive-systematic-review-and-meta-analysis-of-pharmacological-and-dietary-supplement-interventions-in-paediatric-autism-moderators-of-treatment-response-and-recommendations-for-future-research
#17
A Masi, A Lampit, M M DeMayo, N Glozier, I B Hickie, A J Guastella
BACKGROUND: Autism spectrum disorders (ASDs) are pervasive and multifactorial neurodevelopmental conditions, characterized by impairments in social communication and interaction, and restricted, repetitive patterns of behaviour, interests or activities. Treatment options to ameliorate symptoms of ASDs are limited. Heterogeneity complicates the quest for personalized medicine in this population. Our aim was to investigate if there are baseline characteristics of patients that moderate response or trial design features that impede the identification of efficacious interventions for ASDs...
January 16, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28090718/an-analysis-of-policies-for-cotrimoxazole-amoxicillin-and-azithromycin-use-in-namibia-s-public-sector-findings-and-therapeutic-implications
#18
Dan Kibuule, Mwangana Mubita, Ester Naikaku, Francis Kalemeera, Brian B Godman, Evans Sagwa
BACKGROUND: Despite Namibia's robust medicine use systems and policies, antibiotic use indicators remain suboptimal. Recent medicine use surveys rank cotrimoxazole, amoxicillin and azithromycin (CAA) among the most used medicines. However, there is rising resistance to CAA (55.9%-96.7%). Unfortunately, to date, there have been limited studies evaluating policies to improve antibiotic use in Namibia. AIM: To evaluate public sector pharmaceutical policies and guidelines influencing the therapeutic use of CAA antibiotics in Namibia...
January 16, 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28090670/an-endoplasmic-reticulum-protein-nogo-b-facilitates-alcoholic-liver-disease-through-regulation-of-kupffer-cell-polarization
#19
Jin-Kyu Park, Mingjie Shao, Moon Young Kim, Soon Koo Baik, Mee Yon Cho, Teruo Utsumi, Ayano Satoh, Xinsho Ouyang, Chuhan Chung, Yasuko Iwakiri
Background Nogo-B (Reticulon 4B) is an endoplasmic reticulum (ER) resident protein that regulates ER structure and function. Since ER stress is known to induce M2 macrophage polarization, we examined whether Nogo-B regulates M1/M2 polarization of Kupffer cells and alters the pathogenesis of alcoholic liver disease (ALD). Methods M1 and M2 phenotypes were assessed in relation to Nogo-B expression and disease severity in liver specimens from ALD patients (NCT01875211). Liver specimens from wild-type (WT) and Nogo-B knockout (KO) mice fed control or Lieber-DeCarli ethanol liquid diet (5% ethanol) for 6 weeks were analyzed for liver injury and steatosis...
January 16, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28090442/can-mri-accurately-detect-pilon-articular-malreduction-a-quantitative-comparison-between-ct-and-3t-mri-bone-models
#20
Shairah Radzi, Constantin Edmond Dlaska, Gary Cowin, Mark Robinson, Jit Pratap, Michael Andreas Schuetz, Sanjay Mishra, Beat Schmutz
BACKGROUND: Pilon fracture reduction is a challenging surgery. Radiographs are commonly used to assess the quality of reduction, but are limited in revealing the remaining bone incongruities. The study aimed to develop a method in quantifying articular malreductions using 3D computed tomography (CT) and magnetic resonance imaging (MRI) models. METHODS: CT and MRI data were acquired using three pairs of human cadaveric ankle specimens. Common tibial pilon fractures were simulated by performing osteotomies to the ankle specimens...
December 2016: Quantitative Imaging in Medicine and Surgery
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