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https://www.readbyqxmd.com/read/29775655/confocal-raman-microspectroscopy-as-an-alternative-to-differential-scanning-calorimetry-to-detect-the-impact-of-emulsifiers-and-formulations-on-stratum-corneum-lipid-conformation
#1
Ziwei Zhang, Dominique Jasmin Lunter
The purpose of this study was to investigate the impact of emulsifiers and formulations on stratum corneum (SC) lipid conformation and evaluate confocal Raman microspectroscopy (CRM) as an alternative method to differential scanning calorimetry (DSC) in this research context. To this end, four different formulations were used: three conventional creams that contained ionic and/or non-ionic emulsifiers and one surfactants-free emulsion stabilized by a polymeric emulsifier. Additionally, all emulsifiers were tested in aqueous solutions/dispersions in the respective concentrations as present in the formulations...
May 15, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29775626/microrna-21-up-regulates-metalloprotease-by-down-regulating-timp3-during-cumulus-cell-oocyte-complex-in-vitro-maturation
#2
Bo Pan, Julang Li
Cumulus cells and the remodeling of their extracellular matrix around oocytes are essential for oocyte maturation and ovulation in the ovary. An important extracellular metalloprotease, ADAMTS1, and its partner VERSICAN, mediate essential cumulus-oocyte-complex (COC) structural remodeling. However, how the expression of these proteinases is regulated during oocyte maturation is unclear. Here we report that both ADAMTS1 and VERSICAN significantly increased in porcine cumulus cells during COC in vitro maturation (IVM)...
May 15, 2018: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/29775429/genome-wide-dna-methylation-profiles-of-porcine-ovaries-in-estrus-and-proestrus
#3
Xiaolong Zhou, Songbai Yang, Feifei Yan, Ke He, Ayong Zhao
DNA methylation is an important epigenetic modification involved in the estrous cycle and the regulation of reproduction. Here, we investigated the genome-wide profiles of DNA methylation in porcine proestrus and estrus ovaries using methylated DNA immunoprecipitation sequencing (MeDIP-seq). The results showed that DNA methylation was enriched in intergenic and intron regions. The methylation levels of coding regions were higher than those of the 5' and 3' flanking regions of genes. There were 4813 differentially methylated regions (DMRs) of CpG islands in the estrus vs...
May 18, 2018: Physiological Genomics
https://www.readbyqxmd.com/read/29774989/first-report-of-wild-boar-susceptibility-to-porcine-circovirus-type-3-high-prevalence-in-the-colli-euganei-regional-park-italy-in-the-absence-of-clinical-signs
#4
Giovanni Franzo, Claudia Maria Tucciarone, Michele Drigo, Mattia Cecchinato, Marco Martini, Alessandra Mondin, Maria Luisa Menandro
The genus Circovirus includes one of the most relevant infectious agents affecting domestic pigs, Porcine circovirus type 2 (PCV-2). The wild boar susceptibility to this pathogen has also been demonstrated although the actual epidemiological role of wild populations is still debated. In recent times, a new circovirus, Porcine circovirus type 3 (PCV-3), has been discovered and reported in the presence of several clinical conditions. However, no information is currently available about PCV-3 circulation and prevalence in wild boar...
May 18, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29774817/bladder-reconstruction-with-bowel-robot-assisted-laparoscopic-ileocystoplasty-with-mitrofanoff-appendicovesicostomy-in-pediatric-patients
#5
Nimrod S Barashi, Maria Veronica Rodriguez, Vignesh T Packiam, Mohan S Gundeti
Neurogenic bladder occur as a consequence of several conditions, most commonly posterior urethral valves syndrome, spina bifida, tethered cord, sacral agenesis, and Arnold-Chiari malformation. It is characterized by diminished bladder capacity and/or reduced compliance, associated with high-pressure voiding that can lead to deterioration of renal function if left untreated. When medical management fails, bladder reconstruction with bowel (aumentation ileocystoplasty) becomes the treatment of choice for these patients...
May 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29774600/identification-of-tumor-margins-using-diffuse-reflectance-spectroscopy-with-an-extended-wavelength-spectrum-in-a-porcine-model
#6
U Dahlstrand, R Sheikh, C D Nguyen, J Hult, N Reistad, M Malmsjö
OBJECTIVE: A novel extended-wavelength diffuse reflectance spectroscopy (EWDRS) technique is being developed for future clinical non-invasive tumor margin delineation. In this study, the ability of EWDRS to identify the margins of pigmented skin lesions in an in vivo pig model was evaluated. MATERIALS AND METHODS: Extended-wavelength diffuse reflectance spectroscopy recordings (350-1550 nm) were made on 13 pigmented skin lesions and non-pigmented skin, as a reference...
May 17, 2018: Skin Research and Technology
https://www.readbyqxmd.com/read/29774375/-successful-treatment-of-acquired-hemophilia-a-with-recombinant-porcine-factor-viii
#7
K Trautmann-Grill, O Tiebel, K Hölig, U Platzbecker
Acquired hemophilia A is a rare, potentially life-threatening disease resulting from autoantibodies against coagulation factor VIII. We report the case of a patient with acquired hemophilia A and severe bleeding after incision of a peritonsillar abscess. Treatment with high dose factor VIII and recombinant activated factor VII failed to control bleeding. However, a single infusion of recombinant porcine factor VIII stopped bleeding efficiently and resulted in measurable factor VIII levels.
May 17, 2018: Medizinische Klinik, Intensivmedizin und Notfallmedizin
https://www.readbyqxmd.com/read/29774294/seroprevalence-and-awareness-of-porcine-cysticercosis-across-different-pig-production-systems-in-south-central-cambodia
#8
Aderosoye Adenuga, Ana Mateus, Chhay Ty, Khieu Borin, Davun Holl, Sorn San, Victoria Duggan, Madeleine Clark, Gavin J D Smith, Richard Coker, Andrew Vaughn, James W Rudge
Background: Taeniasis/cysticercosis, caused by the pork tapeworm Taenia solium , represents an important public health and economic burden in endemic countries. However, there is a paucity of data on infection among pigs in many parts of Southeast Asia, particularly Cambodia. We aimed to estimate seroprevalence of porcine cysticercosis, and investigate husbandary practices and knowledge of the disease among livestock workers, across different pig sector units in south-central Cambodia...
February 2018: Parasite Epidemiology and Control
https://www.readbyqxmd.com/read/29773457/effect-of-increasing-flow-when-grooving-during-phacoemulsification
#9
Brian A Bird, Rhett S Thomson, Lance A Stutz, Joshua B Heczko, Ashlie A Bernhisel, William R Barlow, Brian Zaugg, Jeff H Pettey, Randall J Olson
PURPOSE: To determine optimum flow settings on the Centurion Vision System during the grooving step in cataract surgery. SETTING: John A. Moran Eye Center Laboratory, University of Utah, Salt Lake City, Utah, USA. DESIGN: Experimental study. METHODS: Intact porcine lenses hardened by formalin and placed in a chamber designed to simulate the anterior chamber of the eye were used to test flow rate settings at 20 mL/min, 40 mL/min, and 60 mL/min...
May 15, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29773135/discrimination-molecular-characterisation-and-phylogenetic-comparison-of-porcine-eimeria-spp-in-india
#10
Devina Sharma, Nirbhay K Singh, Harkirat Singh, Anja Joachim, Shitanshu S Rath, Damer P Blake
Infections with Eimeria spp. are common in pigs worldwide, occasionally affecting animals clinically after weaning or during the fattening period when diarrhoea and weight loss can be observed upon infection with the more pathogenic species. Molecular characterization of pathogens is valuable to accurately delimit species and development novel diagnostics, although sequences which define Eimeria species that infect pigs are scarce. Only three of the eight common species are currently represented in GenBank...
May 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29772738/angiogenesis-pet-tracer-uptake-68-ga-nodaga-e-crgdyk-%C3%A2-in-induced-myocardial-infarction-and-stromal-cell-treatment-in-minipigs
#11
Thomas Rasmussen, Bjarke Follin, Jens Kastrup, Malene Brandt-Larsen, Jacob Madsen, Thomas Emil Christensen, Morten Juhl, Smadar Cohen, Karsten Pharao Hammelev, Christian Holdflod Møller, Jens Peter Goetze, Philip Hasbak, Andreas Kjær
Angiogenesis is considered integral to the reparative process after ischemic injury. The αv β₃ integrin is a critical modulator of angiogenesis and highly expressed in activated endothelial cells. 68 Ga-NODAGA-E[(cRGDyK)]₂ (RGD) is a positron-emission-tomography (PET) ligand targeted towards αv β₃ integrin. The aim was to present data for the uptake of RGD and correlate it with histology and to further illustrate the differences in angiogenesis due to porcine adipose-derived mesenchymal stromal cell (pASC) or saline treatment in minipigs after induction of myocardial infarction (MI)...
May 16, 2018: Diagnostics
https://www.readbyqxmd.com/read/29772584/survival-after-aortic-valve-replacement-with-bovine-or-porcine-valve-prostheses-a-systematic-review-and-meta-analysis
#12
Natalie Glaser, Veronica Jackson, Anders Franco-Cereceda, Ulrik Sartipy
BACKGROUND:  Bovine and porcine bioprostheses are commonly used for surgical aortic valve replacement. It is unknown if the long-term survival differs between the two valve types.We performed a systematic review and meta-analysis to compare survival in patients who underwent aortic valve replacement and received a bovine or a porcine prosthesis. METHODS:  We performed a systematic search of Medline, Embase, Web of Science, and the Cochrane Library. Cohort studies that compared survival between patients who underwent aortic valve replacement and received either a bovine or a porcine bioprosthesis and that reported overall long-term survival with hazard ratio (HR) and 95% confidence interval (CI) were included...
May 17, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29772553/establishment-of-a-porcine-model-of-indomethacin-induced-intestinal-injury
#13
Dan Yi, Wenkai Liu, Yongqing Hou, Lei Wang, Di Zhao, Tao Wu, Binying Ding, Guoyao Wu
A useful animal model of intestinal injury is pivotal for studying its pathogenesis and developing nutritional interventions (e.g., amino acid supplementation). Here, we propose the use of indomethacin (IDMT) to induce intestinal inflammation in neonatal pigs. Fourteen-day-old piglets fed a milk replacer diet receive intraperitoneal administration of IDMT (5 mg/kg body weight) for 3 consecutive days. On day 4, blood and intestinal samples are obtained for physiological and biochemical analyses. IDMT increases blood DAO activity, I-FABP concentration, neutrophil and eosinophil numbers; intestinal MMP3 mRNA levels, MPO activity, and MDA concentration; but reduces the plasma concentration of citrulline (synthesized exclusively by enterocytes of the small intestine), intestinal GSH-Px activity, and mRNA levels for villin , I-FABP , TRPV6 , AQP10 , and KCNJ13 ...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29772347/location-dependent-correlation-between-tissue-structure-and-the-mechanical-behaviour-of-the-urinary-bladder
#14
Enrique Morales-Orcajo, Tobias Siebert, Markus Böl
The mechanical properties of the urinary bladder wall are important to understand its filling-voiding cycle in health and disease. However, much remains unknown about its mechanical properties, especially regarding regional heterogeneities and wall microstructure. The present study aimed to assess the regional differences in the mechanical properties and microstructure of the urinary bladder wall. Ninety (n=90) samples of porcine urinary bladder wall (ten samples from nine different locations) were mechanically and histologically analysed...
May 14, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29771774/bronchoscopic-laser-interstitial-thermal-therapy-an-experimental-study-in-normal-porcine-lung-parenchyma
#15
Roberto F Casal, Garrett Walsh, Mark McArthur, Lori R Hill, Maria F Landaeta, Aristides J Armas Villalba, Philip Ong, Labib Debiane, Erik Vakil, Horiana B Grosu, Carlos A Jimenez, David Ost, Roberto Adachi, George A Eapen
BACKGROUND: Population aging and lung cancer screening strategies may lead to an increase in detection of early-stage lung cancer in medical inoperable patients. Recent advances in peripheral bronchoscopy have made it a suitable platform for ablation of small peripheral tumors. METHODS: We investigated the tissue-ablative effect of a diode laser bronchoscopically applied by a laser delivery fiber (LDF) with wide aperture on porcine lung parenchyma. Laser was tested ex vivo and in vivo to identify the most effective power settings and LDF...
May 16, 2018: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/29770867/dietary-supplementation-with-an-amino-acid-blend-enhances-intestinal-function-in-piglets
#16
Dan Yi, Baocheng Li, Yongqing Hou, Lei Wang, Di Zhao, Hongbo Chen, Tao Wu, Ying Zhou, Binying Ding, Guoyao Wu
The traditionally classified nutritionally non-essential amino acids are now known to be insufficiently synthesized for maximal growth and optimal health in piglets. This study determined the effects of dietary supplementation with an amino acid blend (AAB; glutamate:glutamine:glycine:arginine:N-acetylcysteine = 5:2:2:1:0.5) on piglet growth performance and intestinal functions. Sixteen piglets (24-day-old) were randomly assigned to a corn and soybean meal-based diet supplemented with 0.99% alanine (isonitrogenous control) or 1% AAB...
May 16, 2018: Amino Acids
https://www.readbyqxmd.com/read/29770610/arsenic-trioxide-coated-stent-is-an-endothelium-friendly-drug-eluting-stent
#17
Yinping Zhao, Ruolin Du, Tian Zhou, Dongchuan Yang, Yuhua Huang, Yi Wang, Junli Huang, Xiaoyi Ma, Fugui He, Juhui Qiu, Guixue Wang
An ideal vascular stent would both inhibit in-stent restenosis (ISR) and promote rapid re-endothelialization. In the current study, the performance of arsenic trioxide (ATO)-drug eluting stent (AES) is compared with the bare metal stent, poly-lactic-co-glycolic acid-coating metal stent, and rapamycin-drug eluting stent (RES). In vivo AES is shown to prevent neointimal hyperplasia more efficiently than the others when implanted into the carotid arteries of rabbits. Moreover, AES promotes endothelial cells proliferation and re-endothelialization more quickly than RES...
May 16, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29770590/genomic-and-antigenic-characterization-of-porcine-epidemic-diarrhoea-virus-strains-isolated-from-south-korea-2017
#18
Sunhee Lee, Changhee Lee
Porcine epidemic diarrhoea virus (PEDV) is a globally emerging and re-emerging enteric coronavirus in pigs causing serious economic threats to the world swine industry. Since the re-emergence of massive PEDV outbreaks in South Korea in 2013-2014, domestic pig farms have continued to experience PED epidemics or endemics. This study represents the molecular characterization of PEDV isolates identified in diarrhoeic animals collected across the country in 2017. Initial sequencing analysis of the full-length S genes revealed that 70% of the 2017 isolates (7/10) belong to the G2b subgroup, while the remaining isolates were classified as G1b...
May 16, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29770580/q969r-polymorphism-in-nlrp3-is-associated-with-immune-responses-to-vaccination-against-bacterial-infections-in-pigs
#19
Hiroki Shinkai, Kei Terada, Daisuke Toki, Masanori Tohno, Hirohide Uenishi
Nucleotide-binding domain, leucine-rich-containing family, pyrin-domain containing-3 (NLRP3) is an important pattern recognition receptor involved in various inflammatory responses and adjuvant effects upon vaccination. We previously identified the Q969R (A2906G) gain-of-function polymorphism in porcine NLRP3, which increased production of interleukin-1β in in vitro gene transfection experiments. Here, we explored the associations between the A2906G polymorphism and antibody responses after vaccination against bacteria in Large White pigs maintained under specific pathogen-free conditions...
May 17, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29770237/quantitative-measurement-of-peri-implant-bone-defects-using-optical-coherence-tomography
#20
Sulhee Kim, Se-Ryong Kang, Hee-Jung Park, Bome Kim, Tae-Il Kim, Won-Jin Yi
Purpose: The purpose of this study was to visualize and identify peri-implant bone defects in optical coherence tomography (OCT) images and to obtain quantitative measurements of the defect depth. Methods: Dehiscence defects were intentionally formed in porcine mandibles and implants were simultaneously placed without flap elevation. Only the threads of the fixture could be seen at the bone defect site in the OCT images, so the depth of the peri-implant bone defect could be measured through the length of the visible threads...
April 2018: Journal of Periodontal & Implant Science
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