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https://www.readbyqxmd.com/read/28538316/load-absorption-force-time-characteristics-following-the-second-pull-of-weightlifting-derivatives
#1
Timothy J Suchomel, Jason P Lake, Paul Comfort
Suchomel, TJ, Lake, JP, and Comfort, P. Load absorption force-time characteristics following the second pull of weightlifting derivatives. J Strength Cond Res 31(6): 1644-1652, 2017-The purpose of this study was to compare the load absorption force-time characteristics of weightlifting catching and pulling derivatives. Twelve resistance-trained men performed repetitions of the hang power clean (HPC), jump shrug (JS), and hang high pull (HHP) on a force platform with 30, 45, 65, and 80% of their 1-repetition maximum HPC...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28513137/hierarchical-porous-carbon-doped-with-iron-nitrogen-sulfur-for-efficient-oxygen-reduction-reaction
#2
Issa Kone, Ao Xie, Yang Tang, Yu Chen, Jia Liu, Yongmei Chen, Yanzhi Sun, Xiao Jin Yang, Pingyu Wan
Hierarchical porous Fe/N/S-doped carbon with dominance of graphitic nitrogen (FeNS/HPC) has been successfully synthesized by a facile dual-template method. FeNS/HPC shows not only macro-pores resulting from the dissolution of SiO2 template, but also abundant meso-pores were obtained after removing of the in-situ generated Fe2O3 nanoparticles on the ultra-thin (~4 nm) carbon shell of macro-pores. Moreover, micro-pores are produced during the thermal pyrolysis of carbon precursors. With respect to electrochemical performance towards oxygen reduction reaction (ORR), FeNS/HPC not only exceeds other prepared porous carbon materials completely, but also shows higher onset potential (0...
May 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28512044/spinal-solitary-fibrous-tumor-hemangiopericytoma-a-clinicopathological-and-radiological-analysis-of-eleven-cases
#3
Xiaoping Yi, Desheng Xiao, Yujiao He, Hongling Yin, Guanghui Gong, Xueying Long, Weihua Liao, Xuejun Li, Lunquan Sun, Youming Zhang, Bo Zhang
PURPOSE: To retrospectively review the clinicopathological features and computed tomography (CT) and magnetic resonance imaging (MRI) findings of spinal solitary fibrous tumor (SFT)/hemangiopericytoma (HPC) tumors. MATERIALS AND METHODS: Eleven patients with surgically and pathologically confirmed spinal SFT/HPC were enrolled. Their clinicopathological data and imaging findings were retrospectively reviewed. RESULTS: There were eight male and three female patients with a median age of 42 years (range, 26-65 years)...
May 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28506372/hepatic-progenitor-cells-an-update
#4
REVIEW
Matthias Van Haele, Tania Roskams
Liver regeneration is a fascinating and complex process with many medical implications. An important component of this regenerative process is the hepatic progenitor cell (HPC). These appealing cells are able to participate in the renewal of hepatocytes and cholangiocytes when the normal homeostatic regeneration is exhausted. Moreover, the HPC niche is of vital importance toward the activation, differentiation, and proliferation of the HPC. This niche provides a rich microenvironment for the regulation of the HPC, thanks to the intercellular secretion of molecules...
June 2017: Gastroenterology Clinics of North America
https://www.readbyqxmd.com/read/28502683/surgical-management-and-adverse-factors-for-recurrence-and-long-term-survival-in-hemangiopericytoma-patients
#5
Gui-Jun Zhang, Zhen Wu, Li-Wei Zhang, Da Li, Jun-Ting Zhang
OBJECTIVE: Intracranial hemangiopericytoma (HPC) is a rare tumour type with a high recurrence rate. This study analysed the adverse factors for recurrence and survival of HPC patients. METHODS: We retrospectively reviewed clinical data of 120 HPC patients (mean age: 42 years; including 60 males) that were surgically treated in our hospital from December 2008 to January 2016. RESULTS: The gross total resection (GTR) rate was 71.7%. Sixty-three patients received postoperative adjuvant radiotherapy (PRT)...
May 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28498310/selective-expression-of-flt3-within-the-mouse-hematopoietic-stem-cell-compartment
#6
Ciaran James Mooney, Alan Cunningham, Panagiotis Tsapogas, Kai-Michael Toellner, Geoffrey Brown
The fms-like tyrosine kinase 3 (Flt3) is a cell surface receptor that is expressed by various hematopoietic progenitor cells (HPC) and Flt3-activating mutations are commonly present in acute myeloid and lymphoid leukemias. These findings underscore the importance of Flt3 to steady-state and malignant hematopoiesis. In this study, the expression of Flt3 protein and Flt3 mRNA by single cells within the hematopoietic stem cell (HSC) and HPC bone marrow compartments of C57/BL6 mice was investigated using flow cytometry and the quantitative reverse transcription polymerase chain reaction...
May 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28494014/singularity-scientific-containers-for-mobility-of-compute
#7
Gregory M Kurtzer, Vanessa Sochat, Michael W Bauer
Here we present Singularity, software developed to bring containers and reproducibility to scientific computing. Using Singularity containers, developers can work in reproducible environments of their choosing and design, and these complete environments can easily be copied and executed on other platforms. Singularity is an open source initiative that harnesses the expertise of system and software engineers and researchers alike, and integrates seamlessly into common workflows for both of these groups. As its primary use case, Singularity brings mobility of computing to both users and HPC centers, providing a secure means to capture and distribute software and compute environments...
2017: PloS One
https://www.readbyqxmd.com/read/28485035/clotting-during-autologous-hematopoietic-progenitor-cells-collection
#8
Amit Gokhale, NurJehan Quraishy, Viva Veemara, Heather Howdyshell, Lynn Murray, Jennifer Royer, Linda Salmi, Kristin Ricci, Hien Liu
Autologous hematopoietic progenitor cell (HPC) transplant through peripheral blood mobilization and leukapheresis is a standard treatment for many patients with hematopoietic malignancies. Although leukapheresis is usually completed with no complications, we present a case in which the hematopoietic progenitor cells clotted during collection. The patient had no history of hypercoagulopathy. It was identified that the anticoagulant infusion line was partially constricted by a blood warmer clamp. The machine did not alarm...
May 9, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28483587/driving-and-regulating-temporal-association-learning-coordinated-by-entorhinal-hippocampal-network
#9
REVIEW
Takashi Kitamura
Episodic memories shape future behaviour and by aiding adaptive behaviour, are therefore important for survival in nature. Entorhinal cortex (EC)-hippocampal (HPC) networks have a crucial role in the formation of episodic memory, which consists of associations of space, objects, individuals and time. Neural circuits have been identified in the EC-HPC networks that provide spatial, contextual and object information. However, the specific neural circuits that allow animals to associate two temporally segregated events, called temporal association learning, are still nebulous...
May 5, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28475406/a-survey-of-hospice-and-palliative-care-clinician-s-experiences-and-attitudes-regarding-the-use-of-palliative-sedation
#10
Samuel Maiser, Karen Estrada-Stephen, Natasha Sahr, Jonathan Gully, Sean Marks
BACKGROUND: A variety of terms and attitudes surround palliative sedation (PS) with little research devoted to hospice and palliative care (HPC) clinicians' perceptions and experiences with PS. These factors may contribute to the wide variability in the reported prevalence of PS. OBJECTIVE: This study was designed to better identify hospice and palliative care (HPC) clinician attitudes toward, and clinical experiences with palliative sedation (PS). METHODS: A 32-question survey was distributed to members of the American Academy of Hospice and Palliative Medicine (n = 4678)...
May 5, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28470423/rat-brain-glucose-transporter-2-insulin-receptor-and-glial-expression-are-acute-targets-of-intracerebroventricular-streptozotocin-risk-factors-for-sporadic-alzheimer-s-disease
#11
A Knezovic, A Loncar, J Homolak, U Smailovic, J Osmanovic Barilar, L Ganoci, N Bozina, P Riederer, Melita Salkovic-Petrisic
Accumulated evidence suggests that the insulin-resistant brain state and cerebral glucose hypometabolism might be the cause, rather than the consequence, of the neurodegeneration found in a sporadic Alzheimer's disease (sAD). We have explored whether the insulin receptor (IR) and the glucose transporter-2 (GLUT2), used here as their markers, are the early targets of intracerebroventricularly (icv) administered streptozotocin (STZ) in an STZ-icv rat model of sAD, and whether their changes are associated with the STZ-induced neuroinflammation...
May 3, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28467407/beatbox-hpc-simulation-environment-for-biophysically-and-anatomically-realistic-cardiac-electrophysiology
#12
Mario Antonioletti, Vadim N Biktashev, Adrian Jackson, Sanjay R Kharche, Tomas Stary, Irina V Biktasheva
The BeatBox simulation environment combines flexible script language user interface with the robust computational tools, in order to setup cardiac electrophysiology in-silico experiments without re-coding at low-level, so that cell excitation, tissue/anatomy models, stimulation protocols may be included into a BeatBox script, and simulation run either sequentially or in parallel (MPI) without re-compilation. BeatBox is a free software written in C language to be run on a Unix-based platform. It provides the whole spectrum of multi scale tissue modelling from 0-dimensional individual cell simulation, 1-dimensional fibre, 2-dimensional sheet and 3-dimensional slab of tissue, up to anatomically realistic whole heart simulations, with run time measurements including cardiac re-entry tip/filament tracing, ECG, local/global samples of any variables, etc...
2017: PloS One
https://www.readbyqxmd.com/read/28452894/severe-trauma-and-chronic-stress-activates-extramedullary-erythropoiesis
#13
Ines G Alamo, Kolenkode B Kannan, Tyler J Loftus, Harry Ramos, Philip A Efron, Alicia M Mohr
BACKGROUND: Severe traumatic injury is associated with bone marrow dysfunction that manifests as impaired erythropoiesis and prolonged hematopoietic progenitor cell (HPC) mobilization from the bone marrow. Extramedullary erythropoiesis, the development of red blood cells outside the bone marrow, has not been studied following severe injury and critical illness. This study examined the influence of lung contusion/hemorrhagic shock (LCHS) followed by chronic stress (CS) on the rodent spleen and to investigate the involvement of the splenic erythropoietin/erythropoietin receptor and BMP4 signaling...
April 27, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28449268/ventral-but-not-dorsal-hippocampus-inactivation-impairs-reward-memory-expression-and-retrieval-in-contexts-defined-by-proximal-cues
#14
Sadia Riaz, Anett Schumacher, Seyon Sivagurunathan, Matthijs Van Der Meer, Rutsuko Ito
The hippocampus (HPC) has been widely implicated in the contextual control of appetitive and aversive conditioning. However, whole hippocampal lesions do not invariably impair all forms of contextual processing, as in the case of complex biconditional context discrimination, leading to contention over the exact nature of the contribution of the HPC in contextual processing. Moreover, the increasingly well-established functional dissociation between the dorsal (dHPC) and ventral (vHPC) subregions of the HPC has been largely overlooked in the existing literature on hippocampal-based contextual memory processing in appetitively-motivated tasks...
April 27, 2017: Hippocampus
https://www.readbyqxmd.com/read/28447278/invasiveness-is-associated-with-metastasis-and-decreased-survival-in-hemangiopericytoma-of-the-central-nervous-system
#15
Connor J Kinslow, Raj S Rajpara, Cheng-Chia Wu, Samuel S Bruce, Peter D Canoll, Shih-Hsiu Wang, Adam M Sonabend, Sameer A Sheth, Guy M McKhann, Michael B Sisti, Jeffrey N Bruce, Tony J C Wang
Meningeal hemangiopericytoma (m-HPC) is a rare tumor of the central nervous system (CNS), which is distinguished clinically from meningioma by its tendency to recur and metastasize. The histological classification and grading scheme for m-HPC is still evolving and few studies have identified tumor features that are associated with metastasis. All patients at our institution with m-HPC were assessed for patient, tumor, and treatment characteristics associated with survival, recurrence, and metastasis. New findings were validated using the SEER database...
April 26, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28445489/video-quality-assessment-using-motion-compensated-temporal-filtering-and-manifold-feature-similarity
#16
Yang Song, Mei Yu, Gangyi Jiang, Feng Shao, Zongju Peng
Well-performed Video quality assessment (VQA) method should be consistent with human visual systems for better prediction accuracy. In this paper, we propose a VQA method using motion-compensated temporal filtering (MCTF) and manifold feature similarity. To be more specific, a group of frames (GoF) is first decomposed into a temporal high-pass component (HPC) and a temporal low-pass component (LPC) by MCTF. Following this, manifold feature learning (MFL) and phase congruency (PC) are used to predict the quality of temporal LPC and temporal HPC respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28444843/evaluation-of-two-automated-cell-counters-for-the-analysis-of-hematopoietic-progenitor-cell-apheresis-products
#17
S Gils, B Cauwelier, H Devos, I Vanlaere, S Roggeman, J Emmerechts
INTRODUCTION: Routine hematology parameters in hematopoietic progenitor cell apheresis products (HPC-A) are usually determined using automated cell counters. These instruments, however, are designed to analyze whole blood samples, that differ considerably from HPC-A in blood cell composition. This study evaluates the performance of two automated cell counters for the analysis of HPC-A. METHODS: Routine hematology parameters [red blood cells (RBC), hematocrit (HCT), mean corpuscular volume (MCV), white blood cells (WBC), WBC differentiation, and platelets (PLT)] were determined on the Unicel DxH 800 instrument (Beckman Coulter) and the XN-350 instrument (Sysmex)...
June 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28434863/spatiotemporally-controlled-mechanical-cues-drive-progenitor-mesenchymal-to-epithelial-transition-enabling-proper-heart-formation-and-function
#18
Timothy R Jackson, Hye Young Kim, Uma L Balakrishnan, Carsten Stuckenholz, Lance A Davidson
During early cardiogenesis, bilateral fields of mesenchymal heart progenitor cells (HPCs) move from the anterior lateral plate mesoderm to the ventral midline, undergoing a mesenchymal-to-epithelial transition (MET) en route to forming a single epithelial sheet. Through tracking of tissue-level deformations in the heart-forming region (HFR) as well as movement trajectories and traction generation of individual HPCs, we find that the onset of MET correlates with a peak in mechanical stress within the HFR and changes in HPC migratory behaviors...
May 8, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28433173/dye-adsorption-and-photo-induced-recycling-of-hydroxypropyl-cellulose-molybdenum-disulfide-composite-hydrogels
#19
Pengpeng Chen, Xiaoyan Liu, Rundong Jin, Wangyan Nie, Yifeng Zhou
A novel environmental friendly dye adsorbent composited of hydroxypropyl cellulose (HPC) and molybdenum disulfide (MoS2) were fabricated, which can be recycled and reused by illumination due to the photo-catalytic properties of MoS2. In order to promote a more homogeneous dispersion of MoS2 nanosheets in HPC, MoS2 was functionalized with HPC chains through esterification. The successful functionalization of MoS2 was confirmed by FTIR, XRD, XPS characterizations. The morphologies of the HPC and HPC-MoS2/HPC hydrogels were compared by SEM...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28432932/surveillance-of-vittaforma-corneae-in-hot-springs-by-a-small-volume-procedure
#20
Jung-Sheng Chen, Tsui-Kang Hsu, Bing-Mu Hsu, Tung-Yi Huang, Yu-Li Huang, Men-Fang Shaio, Dar-Der Ji
Vittaforma corneae is an obligate intracellular fungus and can cause human ocular microsporidiosis. Although accumulating reports of V. corneae causing keratoconjunctivitis in both healthy and immunocompromised persons have been published, little is known about the organism's occurrence in aquatic environments. Limitations in detection sensitivity have meant a large sampling volume is required to detect the pathogen up to now, which is problematic. A recent study in Taiwan has shown that some individuals suffering from microsporidial keratitis (MK) were infected after exposure to the pathogen at a hot spring...
July 1, 2017: Water Research
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