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https://www.readbyqxmd.com/read/27911458/spondylodiscitis-a-rare-complication-following-percutaneous-nephrostomy
#1
Francesco Chiancone, Maurizio Fedelini, Clemente Meccariello, Luigi Pucci, Marco Fabiano, Paolo Fedelini
Spondylodiscitis is an inflammation of the intervertebral disc and the adjacent vertebral bodies. The spondylodiscitis can not only be a complication of medical interventions such as an operation near spinal column but also urogenital and vascular interventions and intravenous catheter use. A 71-year-old man was admitted to our emergency department with fever and severe abdominal pain. Antibiotic therapy had been performed with intravenous administration of 2 g of ceftriaxone and the patient underwent the placement of a percutaneous nephrostomy according to Seldinger technique...
November 28, 2016: Urologia
https://www.readbyqxmd.com/read/27911385/application-of-impermeable-barriers-combined-with-candidate-factor-soaked-beads-to-study-inductive-signals-in-the-chick
#2
Susan Wilde, Malcolm P Logan
The chick embryo provides a superb vertebrate model that can be used to dissect developmental questions in a direct way. Its accessibility and robustness following surgical intervention are key experimental strengths. Mica plates were the first barriers used to prevent chick limb bud initiation(1). Protocols that use aluminum foil as an impermeable barrier to wing bud or leg bud induction and or initiation are described. We combine this technique with bead placement lateral to the barrier to exogenously supply candidate endogenous factors that have been blocked by the barrier...
November 17, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911252/chapparvoviruses-occur-in-at-least-three-vertebrate-classes-and-have-a-broad-biogeographic-distribution
#3
William Marciel de Souza, Marilia Farignoli Romeiro, Marcílio Jorge Fumagalli, Sejal Modha, Jansen de Araujo, Luzia Helena Queiroz, Edison Luiz Durigon, Luiz Tadeu Moraes Figueiredo, Pablo Ramiro Murcia, Robert Gifford
Chapparvoviruses are a highly divergent group of parvoviruses (family Parvoviridae) that have recently been identified via metagenomic sampling of animal faeces. Here we report the sequences of six novel chapparvoviruses identified through both metagenomic sampling of bat tissues and in silico screening of published vertebrate genome assemblies. The novel chapparvoviruses share several distinctive genomic features, and group together as a robustly supported monophyletic clade in phylogenetic trees. Our data indicate that chapparvoviruses have a broad host range in vertebrates, and a global distribution...
December 2, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27911229/c-2-arteriovenous-fistula-presenting-as-a-pathologic-hangman-s-fracture-case-report
#4
Rajeev D Sen, Carolina Gesteira Benjamin, Howard A Riina, Donato Pacione
The authors report on an 81-year-old woman with a pathologic hangman's fracture secondary to a complex arteriovenous fistula (AVF). The patient presented with severe, unremitting neck pain and was found to have fractures bilaterally through the pars interarticularis of C-2 with significant anterior subluxation of C-2 over C-3 along with widening of the left transverse foramen. Due to an abnormally appearing left vertebral artery (VA) on CT angiography, the patient underwent conventional angiography, which revealed a complex AVF stemming from the left VA at the level of C-2 with dilated posterior cervical veins and a large venous varix...
December 2, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27910850/the-guanine-nucleotide-exchange-factor-net1-facilitates-the-specification-of-dorsal-cell-fates-in-zebrafish-embryos-by-promoting-maternal-%C3%AE-catenin-activation
#5
Shi Wei, Miaomiao Dai, Zhaoting Liu, Yuanqing Ma, Hanqiao Shang, Yu Cao, Qiang Wang
Wnt/β-catenin signaling is essential for the initiation of dorsal-ventral patterning during vertebrate embryogenesis. Maternal β-catenin accumulates in dorsal marginal nuclei during cleavage stages, but its critical target genes essential for dorsalization are silent until mid-blastula transition (MBT). Here, we find that zebrafish net1, a guanine nucleotide exchange factor, is specifically expressed in dorsal marginal blastomeres after MBT, and acts as a zygotic factor to promote the specification of dorsal cell fates...
December 2, 2016: Cell Research
https://www.readbyqxmd.com/read/27910763/il10-a-tale-of-an-evolutionarily-conserved-cytokine-across-vertebrates
#6
M Carla Piazzon, George Lutfalla, Maria Forlenza
IL10 was discovered in 1989, and since then it has been the subject of intense investigation, which has revealed its potent anti-inflammatory and regulatory activities in most immune processes during infection and disease. In 2003, the first non-mammalian IL10 sequence was identified in teleost fish, followed in 2004 by the chicken IL10 sequence. In this review, we summarize the work performed in non-mammalian vertebrates in which the IL10, IL10 receptors (IL10Rs), and their signaling components have been identified...
2016: Critical Reviews in Immunology
https://www.readbyqxmd.com/read/27910172/imaging-diagnosis-imaging-and-histopathologic-characteristics-of-a-vertebral-hamartoma-in-a-cat
#7
Frances E Taylor-Brown, Christopher R Lamb, Henny Martineau, Clare Muir, Elsa Beltran
A 9-month-old domestic shorthair cat had progressive ambulatory paraparesis, proprioceptive ataxia, and thoracolumbar hyperesthesia. An extradural mass affecting the left pedicle and lamina of the second lumbar vertebra (L2) causing marked spinal cord impingement was identified in magnetic resonance (MR) images. The mass was predominantly calcified in computed tomographic (CT) images. A hemilaminectomy was performed to resect the mass. Clinical signs were greatly improved at 12-month follow-up. The histopathologic diagnosis was vascular hamartoma...
December 1, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27910102/association-of-serum-klotho-with-loss-of-bone-mineral-density-and-fracture-risk-in-older-adults
#8
Didier Chalhoub, Elisa Marques, Osorio Meirelles, Richard D Semba, Luigi Ferrucci, Suzanne Satterfield, Michael Nevitt, Jane A Cauley, Tamara Harris
OBJECTIVES: Klotho deficiency has been previously linked to aging-like phenotypes such as osteoporosis, cognitive impairment, and sarcopenia. Low serum klotho was shown to be related to grip strength and disability. Nonetheless, no previous study has explored the association between serum klotho and fractures. The purpose of this report is to examine the relationship of serum klotho with bone mineral density (BMD) loss and fractures in older adults. DESIGN: The Health, Aging, and Body Composition (Health ABC) Study is a longitudinal cohort study of 3,075 community-dwelling older adults...
December 2, 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27909914/association-of-snp-variants-of-mhc-class-ii-drb-gene-with-thermo-physiological-traits-in-tropical-goats
#9
Abdulmojeed Yakubu, Adebowale E Salako, Marcos De Donato, Sunday O Peters, Michael I Takeet, Mathew Wheto, Moses Okpeku, Ikhide G Imumorin
Host defense in vertebrates depend on many secreted regulatory proteins such as major histocompatibility complex (MHC) class II which provide important regulatory and effector functions of T cells. Gene polymorphism in the second exon of Capra-DRB gene in three major Nigerian goat breeds [West African Dwarf (WAD), Red Sokoto (RS), and Sahel (SH)] was analyzed by restriction fragment length polymorphisms (RFLP). Four restriction enzymes, BsaHI, AluI, HaeIII, and SacII, were utilized. The association between the polymorphic sites and some heat tolerance traits were also investigated in a total of 70 WAD, 90 RS, and 50 SH goats...
December 1, 2016: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/27909858/distribution-and-morphology-of-cholinergic-cells-in-the-branchial-epithelium-of-zebrafish-danio-rerio
#10
Peter C Zachar, Wen Pan, Michael G Jonz
Acetylcholine is an excitatory neurotransmitter important for oxygen sensing in mammals. A cholinergic mechanism in the fish gill has been implicated in the hyperventilatory response to acute hypoxia; however, the identity and distribution of acetylcholine-containing cells in the gills is poorly defined. We test the hypothesis that cholinergic cells are present in the gill filament epithelium in zebrafish (Danio rerio), a model vertebrate for which oxygen chemoreceptors are well characterized, and that these cells would receive nervous innervation...
December 2, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27909803/evolutionary-origin-of-endochondral-ossification-the-transdifferentiation-hypothesis
#11
REVIEW
Fret Cervantes-Diaz, Pedro Contreras, Sylvain Marcellini
The vertebrate endoskeleton results from the piecemeal assembly of bone and cartilage as well as additional types of calcified extracellular matrices produced by seemingly hybrid cell types of intermediate phenotypes between osteoblasts and chondrocytes. Hence, shedding light on the emergence and subsequent diversification of skeletal tissues represents a major challenge in vertebrate evolutionary developmental biology. A 150-year-old debate in the field was recently solved by lineage tracing experiments demonstrating that, during mouse endochondral bone development, a subset of chondrocytes evades apoptosis and transdifferentiate into osteoblasts at the chondro-osseous junction...
December 1, 2016: Development Genes and Evolution
https://www.readbyqxmd.com/read/27909611/ultrasonographic-identification-of-the-thyrocervical-trunk-and-vertebral-artery-in-adults-to-decrease-complications
#12
Kenji Kayashima, Ryo Yamasaki
No abstract text is available yet for this article.
October 2016: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/27909426/deconstructing-the-bat-skin-microbiome-influences-of-the-host-and-the-environment
#13
Christine V Avena, Laura Wegener Parfrey, Jonathan W Leff, Holly M Archer, Winifred F Frick, Kate E Langwig, A Marm Kilpatrick, Karen E Powers, Jeffrey T Foster, Valerie J McKenzie
Bats are geographically widespread and play an important role in many ecosystems, but relatively little is known about the ecology of their associated microbial communities and the role microbial taxa play in bat health, development, and evolution. Moreover, few vertebrate animal skin microbiomes have been comprehensively assessed, and thus characterizing the bat skin microbiome will yield valuable insight into the variability of vertebrate skin microbiomes as a whole. The recent emergence of the skin fungal disease white-nose syndrome highlights the potentially important role bat skin microbial communities could play in bat health...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27909272/-novel-sternum-closure-technique-using-ultra-high-molecular-weight-polyethylene-sutures
#14
Takashi Ando, Daichi Akiyama, Hiroshi Okada, Hiroshi Furukawa, Makoto Takeda
During cardiac surgery through midline sternotomy, sternum closure metal wires are usually used for. However, metal wires may damage the sternum and cause artifacts on X-ray. Therefore, we use a novel sternum closure technique in which metal wire is replaced by ultra-high molecular weight polyethylene(UHMWP) sutures. We have used this technique for 89 patients in 2014 and reviewed our experience. UHMWPs are often used for bone fracture cerclage, particularly in the vertebral body. UHMWPs may avoid sternal "cheese-cut" dehiscence...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27908682/tribbles-in-the-21st-century-the-evolving-roles-of-tribbles-pseudokinases-in-biology-and-disease
#15
REVIEW
Patrick A Eyers, Karen Keeshan, Natarajan Kannan
The Tribbles (TRIB) pseudokinases control multiple aspects of eukaryotic cell biology and evolved unique features distinguishing them from all other protein kinases. The atypical pseudokinase domain retains a regulated binding platform for substrates, which are ubiquitinated by context-specific E3 ligases. This plastic configuration has also been exploited as a scaffold to support the modulation of canonical MAPK and AKT modules. In this review, we discuss the evolution of TRIBs and their roles in vertebrate cell biology...
November 28, 2016: Trends in Cell Biology
https://www.readbyqxmd.com/read/27908637/response-of-three-cyprinid-fish-species-to-the-scavenger-deterrent-factor-produced-by-the-mutualistic-bacteria-associated-with-entomopathogenic-nematodes
#16
Ramalingam Karthik Raja, Dilipkumar Aiswarya, Baris Gulcu, Manickam Raja, Pachiappan Perumal, Sivaperumal Sivaramakrishnan, Harry K Kaya, Selcuk Hazir
The symbiotic bacteria, Photorhabdus and Xenorhabdus associated with entomopathogenic nematodes (EPNs) in the genera Heterorhabditis and Steinernema, respectively, produce a compound(s) called the Scavenging Deterrent Factor (SDF). SDF deters a number of terrestrial insect scavengers and predators and one bird species from feeding on host insects killed by the nematode-bacterium complex but has not been tested against aquatic vertebrates. Moreover, the Heterorhabditis-Photorhabdus association is believed to have evolved in an aquatic environment...
November 28, 2016: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/27908277/comparison-of-unilateral-and-bilateral-percutaneous-vertebroplasty-for-osteoporotic-vertebral-compression-fractures-a-systematic-review-and-meta-analysis
#17
Haolin Sun, Chunde Li
BACKGROUND: The aim of this meta-analysis is to examine the safety and effectiveness of unilateral percutaneous vertebroplasty (PVP) for treatment of osteoporotic vertebral compression fractures (OVCFs) compared with that of bilateral treatment. METHODS: The multiple databases including PubMed, Springer, EMBASE, OVID, and China Journal Full-text Database were adopted to search for relevant studies in English or Chinese, and full-text articles involving comparison of unilateral and bilateral PVP surgery were reviewed...
December 1, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27908198/tet-proteins-master-regulators-of-vertebrate-body-plan-formation
#18
Ozren Bogdanović
No abstract text is available yet for this article.
December 2, 2016: Epigenomics
https://www.readbyqxmd.com/read/27908155/a-new-algorithm-for-estimating-the-rod-volume-fraction-and-the-trabecular-thickness-from-in-vivo-computed-tomography
#19
Felix Sebastian Leo Thomsen, Jaime Andrés Peña, Yongtao Lu, Gerd Huber, Michael Morlock, Claus-Christian Glüer, Claudio Augusto Delrieux
PURPOSE: Existing microstructure parameters are able to predict vertebral in vitro failure load, but for noisy in vivo data more complex algorithms are needed for a robust assessment. METHODS: A new algorithm is proposed for the microstructural analysis of trabecular bone under in vivo quantitative computed tomography (QCT). Five fractal parameters are computed: (1) the average local fractal dimension FD, (2) its standard deviation FD.SD, (3) the fractal rod volume ratio fRV/BV, (4) the average fractal trabecular thickness fTb...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27907815/master-or-servant-emerging-roles-for-motor-neuron-subtypes-in-the-construction-and-evolution-of-locomotor-circuits
#20
REVIEW
Jeremy S Dasen
Execution of motor behaviors relies on the ability of circuits within the nervous system to engage functionally relevant subtypes of spinal motor neurons. While much attention has been given to the role of networks of spinal interneurons on setting the rhythm and pattern of output from locomotor circuits, recent studies suggest that motor neurons themselves can exert an instructive role in shaping the wiring and functional properties of locomotor networks. Alteration in the distribution of motor neuron subtypes also appears to have contributed to evolutionary transitions in the locomotor strategies used by land vertebrates...
November 28, 2016: Current Opinion in Neurobiology
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