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https://www.readbyqxmd.com/read/29166756/use-of-imaging-techniques-in-large-vessel-vasculitis-and-related-conditions
#1
Annibale Versari, Nicolò Pipitone, Massimiliano Casali, Francois Jamar, Giulia Pazzola
Giant Cell Arteritis (GCA) and Takayasu's arteritis (TA) are large vessel vasculitis (LVV) primarily affecting the aorta and its major branches, mainly differentiated by the onset age (>50 years GCA and <40 years TA). In addition, temporal artery involvement and polymyalgia rheumatic are typical features of GCA, but not TA. Imaging techniques are required to secure the diagnosis of large-vessel vasculitides, and to monitor the disease course. Both morphological and metabolic imaging are involved. Morphological imaging is represented mainly by Computerized Tomography (CT), CT angiography, Magnetic Resonance (MR), MR angiography, Color-Doppler Sonography (CDS) and high-resolution CDS...
November 22, 2017: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29166753/interventional-locoregional-treatment-and-metabolic-response-advantages-of-using-pet-ct-in-the-evaluation-of-response-to-treatment
#2
Monica Finessi, Marilena Bellò, Francesca P Giunta, Andrea Veltri, Désirée Deandreis
INTRODUCTION: Interventional oncology locoregional therapies are validated treatment modalities for primary and secondary tumors in liver, lung, kidney and bone. At this time, there is no accordance in the choice of imaging modality to assess treatment response. Morphological imaging and RECIST 1.1 criteria based on size variation are limited by several critical points. On the other hand the role of functional imaging, in particular by [18F]-fluorodeoxyglucose ([18F]-FDG) positron emission tomography (PET), in both staging and response evaluation of locoregional treatments remains unclear because of the heterogeneous nature of available data...
November 22, 2017: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29166740/-factors-associated-with-early-treatment-response-in-adults-with-acute-myeloid-leukemia
#3
X Ren, T Zhao, J Wang, H H Zhu, H Jiang, J S Jia, S M Yang, B Jiang, D B Wang, X J Huang, Q Jiang
Objective: To explore the factors influencing early treatment responses in adult with de novo acute myeloid leukemia (AML) . Methods: Data of consecutive newly-diagnosed AML (non-acute promyelocytic leukemia) adults were analyzed retrospectively. To assess the impact of clinical characteristics at diagnosis and induction regimen on achieving morphologic leukemia-free state (MLFS) , blood counts and minimal residual leukemia (MRD, positive MRD defined as RQ-PCR WT1 mRNA ≥0.6% and/or any level of abnormal blast population detected by flow cytometry) at the time of achieving MLFS...
October 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29166721/-a-preliminary-study-on-the-relationship-between-idiopathic-arrhythmia-and-cardiac-magnetic-resonance-imaging-defined-cardiac-features-in-patients-with-straight-back-syndrome
#4
L Chen, X H Ma, L Zhao, R Bai, S N Li, L Wang, H Chen, Z M Fan, M W Lou, Y D Niu
Objective: To retrospectively analyze the potential correlation between cardiac magnetic resonance (CMR) imaging and clinical features and idiopathic arrhythmia in patients with straight back syndrome (SBS). Methods: Patients receiving CMR imaging examination from April 2015 to March 2016 at our department (n=1 432) were screened, 76 patients met the diagnosis criteria of flat chest (anteroposterior diameter/transthoracic diameter (APD/TTD) ratio<0.37 at the T8 vertebra). After excluding 33 patients with structural heart disease, 43 SBS patients were divided into two groups: SBS without obvious morphological change in the heart (group A, n=19) and SBS with morphological change of the heart (group B, n=24)...
November 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29166711/-effects-of-caspase-1-inhibitor-vx765-on-cold-restraint-stress-induced-acute-gastric-ulcer-in-mice
#5
S Q Zheng, X D Hong, T S Chen, P F Luo, S C Xiao
Objective: To investigate the protective effects of caspase-1 inhibitor VX765 on gastric mucosa of mice with cold-restraint stress-induced acute gastric ulcer. Methods: Twenty-four specific pathogen free male C57BL/6J mice were divided into normal control group (NC), cold restrain group (CR), VX765 pre-treatment+ cold restrain group (VCR), and rabeprazole pre-treatment+ cold restrain group (RCR) according to the random number table, with 6 mice in each group. Mice in group NC were injected intraperitoneally with solution of 10 mL/kg dimethylsulfoxide (DMSO) and phosphate buffer solution (PBS)...
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29166709/-effects-of-dexmedetomidine-on-myocardium-of-rats-with-severe-burn-at-early-stage
#6
D Wang, P L Yang, X Zhang, Y Liu
Objective: To investigate the effects of dexmedetomidine on myocardium of rats at early stage after severe burn. Methods: Twenty specific pathogen free male SD rats were immersed in 90 ℃ hot water for 20 s, causing 30% total body surface area (TBSA) full-thickness scald (hereafter referred to as burn) on the back. And then they were divided into burn resuscitation group (BR) and burn resuscitation+ dexmedetomidine group (BRD) according to the random number table, with 10 rats in each group. Sodium lactate Ringer's solution (2 mL·kg(-1)·%TBSA(-1)) were intraperitoneally injected into rats of both groups after burn...
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29166708/-effects-of-astragalus-polysaccharide-on-cardiac-dysfunction-in-rabbits-with-severe-scald-injury
#7
L Zhong, J H Zhan, J H Luo, X Cheng
Objective: To investigate the effects of astragalus polysaccharide (AP) on cardiac dysfunction in rabbits with severe scald injury. Methods: Sixty-four New Zealand white rabbits were divided into pure scald group and AP group according to the random number table, with 32 rabbits in each group. Rabbits in the two groups were all inflicted with 30% total body surface area full-thickness scald on the back. Immediately after injury, rabbits in two groups were intraperitoneally injected with lactated Ringer's solution once for antishock...
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29166707/-establishment-of-myocardial-targeted-nanoparticles-and-preliminary-evaluation-of-its-effects-on-prevention-and-treatment-of-myocardial-injury
#8
Y Y Liu, C Wang, P F Luo, Z F Xia
Objective: To establish 3-{4-[2-hydroxyl-(1-methylethylamino) propoxy] phenyl} propionic acid cetylesters (PAC) modified nanoparticles, and preliminarily explore its cardiomyocyte-targeting function and protection effects on myocardium. Methods: (1) HL-1 myocardial cells were divided into cyanidin-3 (Cy3) marked non-targeted small interference RNA (Cy3-siNC) group and Cy3 marked small interference RNA designed for the nuclear factor kappa B (NF-κB)-p65 gene (Cy3-si435) group according to the random number table, with 3 wells in each group...
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29166633/range-extension-and-behavioural-observations-of-the-recently-described-sheth-s-dwarf-lemur-cheirogaleus-shethi
#9
Daniel Hending, Angelo Andrianiaina, Zafimahery Rakotomalala, Sam Cotton
Sheth's dwarf lemur, Cheirogaleus shethi, is a small, recently discovered nocturnal primate endemic to northern Madagascar. Unlike many other nocturnal lemurs, C. shethi lives sympatrically with morphologically similar species of its cryptic genus, making it difficult for biologists to determine its population density and distribution. Here, we present new data and observations of this species. During a series of rapid biodiversity assessments in the SAVA region of north-eastern Madagascar, we observed C. shethi in 10 different sites, 9 of which were not previously known to harbour C...
November 23, 2017: Folia Primatologica; International Journal of Primatology
https://www.readbyqxmd.com/read/29166623/anticancer-potential-of-zno-nanoparticle-ferulic-acid-conjugate-on-huh-7-and-hepg2-cells-and-diethyl-nitrosamine-induced-hepatocellular-cancer-on-wistar-albino-rat
#10
E Preedia Babu, A Subastri, A Suyavaran, S Nithyananthan, M Suresh Kumar, K Premkumar, R Bharathidasan, C Thirunavukkarasu
Drawbacks and limitations of recently available therapies to hepatocellular cancer (HCC) devoted the scientist to focus on emerging new strategies. ZnO nanoparticles (ZnONPs) based chemotherapeutics has been emanating as a promising approach to maximize therapeutic synergy facilitating the discovery of novel multitargeted combinations. In the present study we conjugated ZnONPs with ferulic acid (ZnONPs-FAC) characterized by computational, spectroscopic and microscopic techniques. In vitro anticancer potential has been evaluated by assessing cell viability, morphology, ROS generation, mitochondrial membrane permeability, comet assay, immunofluorescent staining of 8-OHdG, Ki67 and γ-H2AX, cell cycle analysis and western blot analysis and in vivo anticancer potential against DEN induced HCC was analyzed by histopathological and immunohistochemical methods...
November 19, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29166622/morphological-characteristics-and-variations-of-the-human-quadratus-plantae-muscle
#11
Bettina Pretterklieber
The quadratus plantae (QP) is a highly variable structure. A number of partly inexact descriptions of this entity have been provided in textbooks of anatomy. Although several authors have examined the QP, its exact site of origin and type of insertion have hitherto not been specified. The aim of this study has been to provide detailed qualitative and quantitative data about the number of heads, points of origin, and type of insertion of the QP. The QP in both feet of 50 formalin-fixed specimens of body donors (25 men and women) were analyzed by gross anatomical dissection...
November 19, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29166557/impact-of-crosslinker-valency-on-gold-nanoparticle-aggregate-formation-and-cellular-uptake
#12
Alice Liu, Jacob M Berlin
Synthesis of spherical, biocompatible nanoparticle aggregates using a small molecular crosslinker is a simple and flexible approach for the controlled assembly of gold nanoparticles. This strategy can be extended to a variety of crosslinkers, making it possible to the test the effect of crosslinker properties on aggregate formation and physicochemical properties. Here we synthesized aggregates using a series of structurally homologous crosslinkers with differing valencies. These aggregates have the same size, morphology, surface charge, surface coating, and stability in salt, media, and low pH conditions, but they differ in their stability to cyanide etching and uptake by cells...
November 22, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29166530/new-azhdarchoid-pterosaur-pterosauria-pterodactyloidea-with-an-unusual-lower-jaw-from-the-portezuelo-formation-upper-cretaceous-neuqu%C3%A3-n-group-patagonia-argentina
#13
Alexander W A Kellner, Jorge O Calvo
A new azhdarchoid pterosaur from the Upper Cretaceous of Patagonia is described. The material consists of an incomplete edentulous lower jaw that was collected from the upper portion of the Portezuelo Formation (Turonian-Early Coniacian) at the Futalognko site, northwest of Neuquén city, Argentina. The overall morphology of Argentinadraco barrealensis gen. et sp. nov. indicates that it belongs to the Azhdarchoidea and probable represents an azhdarchid species. The occlusal surface of the anterior portion is laterally compressed and shows blunt lateral margins with a medial sulcus that are followed by two well-developed mandibular ridges, which in turn are bordered laterally by a sulcus...
2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29166461/presumed-zika-virus-related-congenital-brain-malformations-the-spectrum-of-ct-and-mri-findings-in-fetuses-and-newborns
#14
José Daniel Vieira de Castro, Licia Pacheco Pereira, Daniel Aguiar Dias, Lindenberg Barbosa Aguiar, Joanira Costa Nogueira Maia, Jesus Irajacy Fernandes da Costa, Eveline Campos Monteiro de Castro, Francisco Edson de Lucena Feitosa, Francisco Herlânio Costa Carvalho
OBJECTIVE: The new epidemic of Zika virus infection raises grave concerns, especially with the increasingly-recognized link between emerging cases of microcephaly and this infectious disease. Besides small cranial dimensions, there are striking morphologic anomalies in the fetal brain. Key anomalies include cortical developmental malformations and a peculiar distribution of pathologic calcifications. These potentially indicate a new pattern of congenital central nervous system infection...
October 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/29166427/myxobolus-marajoensis-sp-n-myxosporea-myxobolidae-parasite-of-the-freshwater-catfish-rhamdia-quelen-from-the-brazilian-amazon-region
#15
Jacqueline Abrunhosa, José Ledamir Sindeaux-Neto, Ândrea Kely Dos Santos, Igor Hamoy, Edilson Matos
This study provides morphological and molecular data of a new parasite species found in the muscle layer of the intestinal tract of the South American silver catfish, Rhamdia quelen from Marajó Island region (Pará State, Brazil), an important fishery resource with recognized potential for fish farming. The morphology of these parasites was reanalyzed and phylogenetic analyses were run on their 18S rDNA gene sequences. The spores were morphologically distinct from those of other Myxobolus species described previously...
November 17, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/29166418/prosthetic-rehabilitation-of-a-patient-with-rare-and-severe-enamel-renal-syndrome
#16
Cedric Mauprivez, Jean-Francois Nguyen, Muriel de la Dure-Molla, Adrien Naveau
Dental rehabilitation of acute cases of enamel renal syndrome is challenging due to the absence of clinical reports. In the present case history report, examination of an 18-year-old patient revealed a complete lack of permanent teeth, as well as irregular and swollen bone and gingival morphology. Radiographs showed multiple impacted teeth in both arches. Creating a 1.5- to 2-cm interarch space was necessary for setting complete dentures. The ideal occlusal plane was chosen by combining two techniques (cephalometric radiograph and modification of the mandibular occlusal rim according to anatomical guidelines)...
November 22, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29166410/devario-in-bangladesh-species-diversity-sibling-species-and-introgression-within-danionin-cyprinids-teleostei-cyprinidae-danioninae
#17
Sven O Kullander, Md Mizanur Rahman, Michael Norén, Abdur Rob Mollah
Four species of Devario are recorded from Bangladesh: D. aequipinnatus, D. anomalus, D. coxi, new species, and D. devario. Devario aequipinnatus has a wide distribution in northern India and Bangladesh. Devario coxi, from southeastern Bangladesh near Cox's Bazar, differs from D. aequipinnatus in mtDNA (COI, p-distance 1.8%), colouration, proportional measurements, and meristics. The minor morphological differences and low frequency of overlapping meristics suggest relatively recent separation of D. coxi from other D...
2017: PloS One
https://www.readbyqxmd.com/read/29166383/prematurity-disrupts-glomeruli-development-while-prematurity-and-hyperglycemia-lead-to-altered-nephron-maturation-and-increased-oxidative-stress-in-newborn-baboons
#18
Danielle A Callaway, Lisa L McGill-Vargas, Amy Quinn, Jasmine L Jordan, Lauryn A Winter, Diana Anzueto, Edward J Dick, Cynthia L Blanco
BACKGROUND: Premature birth occurs when nephrogenesis is incomplete and has been linked to increased renal pathologies in the adult. Metabolic factors complicating preterm birth may have additional consequences for kidney development. Here, we evaluated the effects of prematurity and hyperglycemia on nephrogenesis in premature baboons when compared to term animals. METHODS: Baboons were delivered prematurely (67% gestation; n=9) or at term (n=7) and survived 2-4 weeks...
November 22, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29166371/effect-of-iron-overload-on-impaired-fertility-in-male-patients-with-transfusion-dependent-beta-thalassemia
#19
Mei-Jou Chen, StevenShinn-Forng Peng, Meng-Yao Lu, Yung-Li Yang, Shiann-Tarng Jou, Hsiu-Hao Chang, Shee-Uan Chen, Dong-Tsamn Lin, Kai-Hsin Lin
BACKGROUND: To investigate the fertility of male patients with transfusion-dependent beta-thalassemia, and use MRI as a novel method to assess the iron overload status of testis in such patients. METHODS: Twenty-one male patients with transfusion-dependent beta-thalassemia and 5 normal male controls enrolled in this study. Hormonal profiles, iron levels, MRI testicular dimension, MRI T2 values, parameters for sperm quality, sperm DNA fragmentation (SDF) of participants were measured...
November 22, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29166323/strength-affect-regulation-and-subcortical-morphology-in-military-pilots
#20
David Cárdenas, Iker Madinabeitia, Jesús Vera, José Cesar Perales, Amador García-Ramos, Enrique Ortega, Elvira Catena-Verdejo, Andrés Catena
INTRODUCTION: Previous studies have shown links of body composition and fitness measures with brain structure, as well as with different aspects of emotional adjustment and well-being. However, the possible role of trait emotion-regulation success in the relationship between fitness/body composition and emotion-related subcortical structures have never been directly addressed METHODS: 23 elite helicopter pilots were assessed in fat mass percentage, an endurance test to volitional exhaustion, bench-press power output, and negative urgency (trait affect regulation failure)...
November 20, 2017: Medicine and Science in Sports and Exercise
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