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https://www.readbyqxmd.com/read/28922413/exploitation-of-stable-nanostructures-based-on-the-mouse-polyomavirus-for-development-of-a-recombinant-vaccine-against-porcine-circovirus-2
#1
Martin Fraiberk, Michaela Hájková, Magdaléna Krulová, Martina Kojzarová, Alena Drda Morávková, Ivan Pšikal, Jitka Forstová
The aim of this study was to develop a suitable vaccine antigen against porcine circovirus 2 (PCV2), the causative agent of post-weaning multi-systemic wasting syndrome, which causes significant economic losses in swine breeding. Chimeric antigens containing PCV2b Cap protein sequences based on the mouse polyomavirus (MPyV) nanostructures were developed. First, universal vectors for baculovirus-directed production of chimeric MPyV VLPs or pentamers of the major capsid protein, VP1, were designed for their exploitation as vaccines against other pathogens...
2017: PloS One
https://www.readbyqxmd.com/read/28922343/tocilizumab-actemra-for-giant-cell-arteritis
#2
(no author information available yet)
No abstract text is available yet for this article.
September 25, 2017: Medical Letter on Drugs and Therapeutics
https://www.readbyqxmd.com/read/28921912/fate-of-worn-out-functional-teeth-in-the-upper-jaw-dentition-of-sicyopterus-japonicus-gobioidei-sicydiinae-during-tooth-replacement
#3
Noriyuki Sahara, Keita Moriyama, Midori Iida, Shun Watanabe
Mochizuki and Fukui (1983) studied the development and replacement of the upper jaw teeth in a Japanese fish species, Sicyopterus japonicus (Gobioidei: Sicydiinae), and they reported that worn-out functional teeth in the upper jaw were not shed outside the skin but were taken into the soft tissue of the upper jaw and completely resorbed there. To date, however, this phenomenon appears poorly documented. Furthermore, the mechanism for the resorption of these teeth remains to be determined. In the present study, we examined this phenomenon by using 3D micro-computed tomography (m-CT), scanning electron microscopy (SEM), and various techniques of light (LM) and electron (EM) microcopy...
September 16, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28920894/electro-thermal-equivalent-3d-finite-element-model-of-a-single-neuron
#4
I Cinelli, M Destrade, M Duffy, P McHugh
OBJECTIVE: We propose a novel approach for modelling the inter-dependence of electrical and mechanical phenomena in nervous cells, by using electro-thermal equivalences in finite element (FE) analysis so that existing thermo-mechanical tools can be applied. METHODS: First, the equivalence between electrical and thermal properties of the nerve materials is established, and results of a pure heat conduction analysis performed in Abaqus CAE Software 6.13-3 are validated with analytical solutions for a range of steady and transient conditions...
September 14, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28919347/invasive-mold-infections-of-the-central-nervous-system-in-patients-with-hematologic-cancer-or-stem-cell-transplantation-2000-2016-uncommon-with-improved-survival-but-still-deadly-often
#5
Minas P Economides, Leomar Y Ballester, Vinodh A Kumar, Ying Jiang, Jeffrey Tarrand, Victor Prieto, Harrys A Torres, Dimitrios P Kontoyiannis
BACKGROUND: Historically considered to have very poor outcome, there is paucity of recent data regarding invasive mold infections (IMIs) of the central nervous system (CNS) in patients with hematologic cancer (HC) or stem cell transplantation (SCT). METHODS: We reviewed the records of HC patients and/or SCT recipients who were diagnosed with CNS IMIs (EORTC/MSG criteria) at MD Anderson Cancer Center (1/1/2000-6/31/2016). Risk factors for survival at day (d) 42 post diagnosis were assessed...
September 14, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28917184/investigation-of-the-chemical-mechanisms-involved-in-the-electropulsation-of-membranes-at-the-molecular-level
#6
Marie Breton, Lluis M Mir
The chemical consequences of electropulsation on giant unilamellar vesicles (GUVs), in particular the possible oxidation of unsaturated phospholipids, have been investigated by mass spectrometry, flow cytometry and absorbance methods. Pulse application induced oxidation of the GUV phospholipids and the oxidation level depended on the duration of the pulse. Light and O2 increased the level of pulse-induced lipid peroxidation whereas the presence of antioxidants either in the membrane or in the solution completely suppressed peroxidation...
September 11, 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/28916549/positron-emission-tomography-computerized-tomography-in-newly-diagnosed-patients-with-giant-cell-arteritis-who-are-taking-glucocorticoids
#7
Alison H Clifford, Elana M Murphy, Steven C Burrell, Mathew P Bligh, Ryan F MacDougall, J Godfrey Heathcote, Mathieu C Castonguay, Min S Lee, Kara Matheson, John G Hanly
OBJECTIVE: Large vessel uptake on positron emission tomography/computerized tomography (PET/CT) supports the diagnosis of giant cell arteritis (GCA). Its value, however, in patients without arteritis on temporal artery biopsy and in those receiving glucocorticoids remains unknown. We compared PET/CT results in GCA patients with positive (TAB+) and negative temporal artery biopsies (TAB-), and controls. METHODS: Patients with new clinically diagnosed GCA starting treatment with glucocorticoids underwent temporal artery biopsy and PET/CT...
September 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28915712/formation-function-and-exhaustion-of-notochordal-cytoplasmic-vacuoles-within-intervertebral-disc-current-understanding-and-speculation
#8
REVIEW
Feng Wang, Zeng-Xin Gao, Feng Cai, Arjun Sinkemani, Zhi-Yang Xie, Rui Shi, Ji-Nan Wei, Xiao-Tao Wu
Notochord nucleus pulposus cells are characteristic of containing abundant and giant cytoplasmic vacuoles. This review explores the embryonic formation, biological function, and postnatal exhaustion of notochord vacuoles, aiming to characterize the signal network transforming the vacuolated nucleus pulposus cells into the vacuole-less chondrocytic cells. Embryonically, the cytoplasmic vacuoles within vertebrate notochord originate from an evolutionarily conserved vacuolation process during neurulation, which may continue to provide mechanical and signal support in constructing a mammalian intervertebral disc...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28914854/-giant-cell-arteritis-genetic-and-epigenetic-aspects
#9
S V Guliaev, L A Strizhakov, P I Novikov, N A Mukhin, V V Fomin
The paper describes clinical cases in 2 patients (brothers) with giant cell arteritis. It analyzes the genetic and epigenetic aspects of the disease. The data available in the Russian and foreign literature are given.
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28914559/bilateral-posterior-scleritis-associated-with-giant-cell-arteritis-a-case-report
#10
Mehmet Erdogan, Nihat Sayin, Dilbade Yıldız Ekinci, Sadik Bayramoglu
AIM: To report a case of bilateral posterior scleritis associated with giant cell arteritis Case Report: A 62-year-old female patient presented with bilateral progressive vision loss was diagnosed with bilateral posterior scleritis. According to clinical signs and symptoms and laboratory testing, Giant cell arteritis was also diagnosed. Within 8 weeks of the corticosteroid treatment, the serous retinal detachments completely resolved and choroidal thickness decreased in both eyes. Visual acuity increased, and the symtoms related to Giant cell arteritis improved...
September 15, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28912184/inflammatory-cardiomyopathic-syndromes
#11
REVIEW
Barry H Trachtenberg, Joshua M Hare
Inflammatory activation occurs in nearly all forms of myocardial injury. In contrast, inflammatory cardiomyopathies refer to a diverse group of disorders in which inflammation of the heart (or myocarditis) is the proximate cause of myocardial dysfunction, causing injury that can range from a fully recoverable syndrome to one that leads to chronic remodeling and dilated cardiomyopathy. The most common cause of inflammatory cardiomyopathies in developed countries is lymphocytic myocarditis most commonly caused by a viral pathogenesis...
September 15, 2017: Circulation Research
https://www.readbyqxmd.com/read/28911987/aortitis-in-giant-cell-arteritis-diagnosis-with-fdg-pet-ct-and-agreement-with-ct-angiography
#12
REVIEW
Mona Hommada, Arsène Mekinian, Pierre-Yves Brillet, Sébastien Abad, Claire Larroche, Robin Dhôte, Olivier Fain, Michael Soussan
OBJECTIVES: To assess the detection rate of aortitis in giant cell arteritis (GCA) with fluorodeoxyglucose positron emission tomography/computed tomography (PET) and to compare the findings with CT angiography (CTA). METHODS: Fifty-two GCA patients and 27 controls were included. GCA patients had a PET scan at diagnosis (35/52) or during relapse (17/52). Concomitant CTA was performed in 35/52 patients. Aortitis was defined as FDG uptake higher than the liver for PET and wall thickness≥3mm for CTA...
September 11, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28911212/apposition-to-endometrial-epithelial-cells-activates-mouse-blastocysts-for-implantation
#13
Peter T Ruane, Stéphane C Berneau, Rebekka Koeck, Jessica Watts, Susan J Kimber, Daniel R Brison, Melissa Westwood, John D Aplin
STUDY QUESTION: How do interactions between blastocyst-stage embryos and endometrial epithelial cells regulate the early stages of implantation in an in vitro model? SUMMARY ANSWER: Mouse blastocyst apposition with human endometrial epithelial cells initiates trophectoderm differentiation to trophoblast, which goes on to breach the endometrial epithelium. WHAT IS KNOWN ALREADY: In vitro models using mouse blastocysts and human endometrial cell lines have proven invaluable in the molecular characterisation of embryo attachment to endometrial epithelium at the onset of implantation...
September 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28906559/characterization-of-micrornas-from-arabidopsis-galls-highlights-a-role-for-mir159-in-the-plant-response-to-the-root-knot-nematode-meloidogyne-incognita
#14
Clémence Medina, Martine da Rocha, Marc Magliano, Alizée Ratpopoulo, Benoît Revel, Nathalie Marteu, Virginie Magnone, Kevin Lebrigand, Javier Cabrera, Marta Barcala, Ana Cláudia Silva, Anthony Millar, Carolina Escobar, Pierre Abad, Bruno Favery, Stéphanie Jaubert-Possamai
Root knot nematodes (RKN) are root parasites that induce the genetic reprogramming of vascular cells into giant feeding cells and the development of root galls. MicroRNAs (miRNAs) regulate gene expression during development and plant responses to various stresses. Disruption of post-transcriptional gene silencing in Arabidopsis ago1 or ago2 mutants decrease the infection rate of RKN suggesting a role for this mechanism in the plant-nematode interaction. By sequencing small RNAs from uninfected Arabidopsis roots and from galls 7 and 14 d post infection with Meloidogyne incognita, we identified 24 miRNAs differentially expressed in gall as putative regulators of gall development...
September 14, 2017: New Phytologist
https://www.readbyqxmd.com/read/28905861/giant-cell-arteritis-and-polymyalgia-rheumatica-current-challenges-and-opportunities
#15
REVIEW
Christian Dejaco, Elisabeth Brouwer, Justin C Mason, Frank Buttgereit, Eric L Matteson, Bhaskar Dasgupta
The fields of giant cell arteritis (GCA) and polymyalgia rheumatica (PMR) have advanced rapidly, resulting in a new understanding of these diseases. Fast-track strategies and improved awareness programmes that prevent irreversible sight loss through early diagnosis and treatment are a notable advance. Ultrasonography and other imaging techniques have been introduced into routine clinical practice and there have been promising reports on the efficacy of biologic agents, particularly IL-6 antagonists such as tocilizumab, in treating these conditions...
September 14, 2017: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/28905737/giant-cell-tumor-of-bone-revisited
#16
Andreas F Mavrogenis, Vasileios G Igoumenou, Panayiotis D Megaloikonomos, Georgios N Panagopoulos, Panayiotis J Papagelopoulos, Panayotis N Soucacos
Giant cell tumor (GCT) of bone is a locally aggressive benign neoplasm that is associated with a large biological spectrum ranging from latent benign to highly recurrent and occasionally metastatic malignant bone tumor. It accounts for 4-10% of all bone tumors and typically affects the meta-epiphyseal region of long bones of young adults. The most common site involved is the distal femur, followed by the distal radius, sacrum, and proximal humerus. Clinical symptoms are nonspecific and may include local pain, swelling, and limited range of motion of the adjacent joint...
2017: SICOT-J
https://www.readbyqxmd.com/read/28904584/central-nervous-system-inflammatory-myofibroblastic-tumor-masquerading-as-chronic-suppurative-otitis-media
#17
Namit Singhal, Vinay Agarwal, Anu Chawla, Rajiv Tangri
Inflammatory myofibroblastic tumor (IMT) is a rare tumor in the central nervous system (CNS), mostly being extracranial. Approximately 100 sporadic cases have been reported in the literature. The rarity of the tumor, its various histopathological characteristics, and its variable aggressive course render it difficult to diagnose and treat. IMT is generally a histological diagnosis which is rarely suspected preoperatively. It mimics other intracranial tumors such as giant cell tumor, hemangiopericytoma, anaplastic meningioma, plasmacytoma, and lymphoma...
April 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28904137/seasonal-variation-in-nutrient-utilization-shapes-gut-microbiome-structure-and-function-in-wild-giant-pandas
#18
Qi Wu, Xiao Wang, Yun Ding, Yibo Hu, Yonggang Nie, Wei Wei, Shuai Ma, Li Yan, Lifeng Zhu, Fuwen Wei
Wild giant pandas use different parts of bamboo (shoots, leaves and stems) and different bamboo species at different times of the year. Their usage of bamboo can be classified temporally into a distinct leaf stage, shoot stage and transition stage. An association between this usage pattern and variation in the giant panda gut microbiome remains unknown. Here, we found associations using a gut metagenomic approach and nutritional analyses whereby diversity of the gut microbial community in the leaf and shoot stages was significantly different...
September 13, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28903395/tgf-%C3%AE-2-induced-angptl4-expression-promotes-tumor-progression-and-osteoclast-differentiation-in-giant-cell-tumor-of-bone
#19
Bo Li, Ming Qian, Hao Cao, Qi Jia, Zhipeng Wu, Xinghai Yang, Tianyi Ma, Haifeng Wei, Tianrui Chen, Jianru Xiao
Although emerging studies have implicated that Aiopoietin-like 4 Protein (ANGPTL4) is related to the aggressiveness and metastasis of many tumors, the role of ANGPLT4 in giant cell tumor (GCT) of bone was rarely investigated. The mechanism of ANGPLT4 in tumor-induced osteoclastogenesis still remains unclear. In this study, we first demonstrated that ANGPTL4 was highly expressed in GCT compared to normal tissues, while we showed that TGF-β2 released by osteoclasts induced bone resorption could increase the expression of ANGPTL4 in GCTSCs...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28903319/loss-of-giant-obscurins-alters-breast-epithelial-cell-mechanosensing-of-matrix-stiffness
#20
Kimberly M Stroka, Bin Sheng Wong, Marey Shriver, Jude M Phillip, Denis Wirtz, Aikaterini Kontrogianni-Konstantopoulos, Konstantinos Konstantopoulos
Obscurins are a family of RhoGEF-containing proteins with tumor and metastasis suppressing roles in breast epithelium. Downregulation of giant obscurins in normal breast epithelial cells leads to reduced levels of active RhoA and of its downstream effectors. Herein, we elucidate how depletion of giant obscurins affects the response of breast epithelial cells to changes in the mechanical properties of the microenvironment. We find that knockdown of obscurins increases cell morphodynamics, migration speed, and diffusivity on polyacrylamide gels of ≥ 1 kPa, presumably by decreasing focal adhesion area and density as well as cell traction forces...
August 15, 2017: Oncotarget
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