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https://www.readbyqxmd.com/read/28433814/synovial-fluid-pro-inflammatory-profile-differs-according-to-the-characteristics-of-knee-pain
#1
Ying Ying Leung, Janet L Huebner, Benjamin Haaland, Steven Bak Siew Wong, Virginia Byers Kraus
OBJECTIVE: The role of inflammation and pain in osteoarthritis (OA) is not fully understood. We evaluated the association between pro-inflammatory biomarkers and pain. METHODS: We used baseline data and samples from a randomized controlled trial of colchicine for symptomatic knee OA. Severity of pain of the more symptomatic knee was assessed by NHANES-I criterion and WOMAC pain index. Pains on movement and at rest were self-reported on an 11-point Likert scale. Severity of radiographic tibiofemoral OA was assessed by Kellgren and Lawrence (KL) grade...
April 19, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28433242/freeform-extrusion-fabrication-of-titanium-fiber-reinforced-13-93-bioactive-glass-scaffolds
#2
Albin Thomas, Krishna C R Kolan, Ming C Leu, Gregory E Hilmas
Although implants made with bioactive glass have shown promising results for bone repair, their application in repairing load-bearing long bone is limited due to their poor mechanical properties in comparison to human bone. This work investigates the freeform extrusion fabrication of bioactive silicate 13-93 glass scaffolds reinforced with titanium (Ti) fibers. A composite paste prepared with 13-93 glass and Ti fibers (~16µm in diameter and lengths varying from ~200µm to ~2 mm) was extruded through a nozzle to fabricate scaffolds (0-90° filament orientation pattern) on a heated plate...
June 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28433055/pyrenyl-carbon-nanostructures-for-ultrasensitive-measurements-of-formaldehyde-in-urine
#3
Gayan Premaratne, Sabrina Farias, Sadagopan Krishnan
Measurement of ultra-low (e.g., parts-per-billion) levels of small-molecule markers in body fluids (e.g., serum, urine, saliva) involves a considerable challenge in view of designing assay strategies with sensitivity and selectivity. Herein we report for the first time an amperometric nano-bioelectrode design that uniquely combines 1-pyrenebutyric acid units pi-pi stacked with carboxylated multiwalled carbon nanotubes on the surface of gold screen printed electrodes for covalent attachment of NAD(+) dependent formaldehyde dehydrogenase (FDH)...
June 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28432255/osmotic-activation-of-a-ca-2-dependent-phospholipase-c-pathway-that-regulates-%C3%A2-n-trpv1-mediated-currents-in-rat-supraoptic-neurons
#4
Vimal Bansal, Thomas E Fisher
The magnocellular neurosecretory cells (MNCs) of the hypothalamus regulate body fluid balance by releasing the hormones vasopressin (VP) and oxytocin (OT) in an osmolality-dependent manner. Elevations of external osmolality increase MNC firing and hormone release. MNC osmosensitivity is largely due to activation of a mechanosensitive non-selective cation current that responds to osmotically-evoked changes in MNC volume and is mediated by an N-terminal variant of the TRPV1 channel (∆N TRPV1). We report a novel mechanism by which increases in osmolality may modulate ∆N TRPV1-mediated currents and thus influence MNC electrical behaviour...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28431523/the-utility-of-electron-microscopy-in-detecting-asbestos-fibers-and-particles-in-balf-in-diffuse-lung-diseases
#5
Takashi Kido, Yasuo Morimoto, Kazuhiro Yatera, Hiroshi Ishimoto, Takaaki Ogoshi, Keishi Oda, Kei Yamasaki, Toshinori Kawanami, Shohei Shimajiri, Hiroshi Mukae
BACKGROUND: In patients with diffuse lung diseases, differentiating occupational lung diseases from other diseases is clinically important. However, the value of assessing asbestos and particles in bronchoalveolar lavage fluid (BALF) in diffuse lung diseases by electron microscopy (EM) remains unclear. We evaluated the utility of EM in detecting asbestos fibers and particles in patients with diffuse lung diseases. METHODS: The BALF specimens of 107 patients with diffuse lung diseases were evaluated...
April 21, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28431481/arab-dentists-refusal-to-treat-hiv-positive-patients-a-survey-of-recently-graduated-dentists-from-three-arab-dental-schools
#6
Arheiam Arheiam, Maha El Tantawi, Asim Al-Ansari, Mohamed Ingafou, Asma El-Howiti, Kamis Gaballah, Wafaa AbdelAziz
OBJECTIVE: To assess intended refusal of recent graduates from three Arab dental schools to treat HIV + patients and factors associated with this intention. MATERIALS AND METHODS: In 2015, convenience samples of recent dental graduates were included from Libya, Egypt and the United Arab Emirates. Participants responded to a questionnaire assessing personal background, knowledge of oral manifestations and fluids transmitting HIV, perceived adequacy of training and self-efficacy to manage blood exposures, attitude to risk of infection, moral beliefs and willingness to treat HIV + patients...
April 21, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28430716/simultaneous-multislice-accelerated-turbo-spin-echo-magnetic-resonance-imaging-comparison-and-combination-with-in-plane-parallel-imaging-acceleration-for-high-resolution-magnetic-resonance-imaging-of-the-knee
#7
Jan Fritz, Benjamin Fritz, Jialu Zhang, Gaurav K Thawait, Dharmdev H Joshi, Li Pan, Dingxin Wang
PURPOSE: We prospectively quantified the signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) of integrated parallel acquisition technique (PAT) and simultaneous multislice (SMS) acceleration and various combinations thereof, and we further compared two 4-fold-accelerated (PAT2-SMS2) high-resolution turbo spin echo (TSE) magnetic resonance imaging (MRI) protocols of the knee against a clinical 2-fold-accelerated (PAT2-SMS1) TSE standard. MATERIALS AND METHODS: Institutional review board approval was obtained, and all subjects gave informed consent...
April 20, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28430676/a-biomimetic-alternative-to-synthetic-hydroxyapatite-boron-containing-bone-like-hydroxyapatite-precipitated-from-simulated-body-fluid
#8
Mert Calis, Tugrul Tolga Demirtas, Alper Vatansever, Gulseren Irmak, Ahmet Hamdi Sakarya, Pergin Atilla, Figen Ozgur, Menemse Gumusderelioglu
BACKGROUND: Biological hydroxyapatite (HA), has several mechanical and physical advantages over the commercially available synthetic apatite (CAP-HA). The aim of this in vivo study was to investigate the effect of osteoinductive "bone-like hydroxyapatite" obtained from simulated body fluid (SBF) combined with osteoinductive "boron" (B) on bone healing. MATERIALS: Bone like nanohydroxyapatite (SBF-HA) was precipitated from 10× simulated body fluid (10×SBF). Thirty Sprague-Dawley rats were randomly divided into 5 experimental groups (n = 6 each)...
April 20, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28429257/low-molecular-weight-components-of-the-metabolome-control-the-proliferative-activity-in-cellular-and-bacterial-cultures
#9
T Ya Vakhitov, N I Chalisova, S I Sitkin, T S Sall, O N Shalaeva, E V Demyanova, A S Morugina, A F Vinogradova, A V Petrov, A D Nozdrachev
The effects of blood metabolites and model cell culture exometabolites found in the human and animal blood metabolomes have been assessed. Specifically, the influence of carboxylic acids that are structural analogues of amino acids and the drug Aktoflor-C have been studied. Methods of organotypic culturing of rat tissues and Escherichia coli bacterial culturing have been used. It has been found that all the tested compounds either stimulate or inhibit cell proliferation in tissue cultures and proliferation in bacterial cultures...
January 2017: Doklady Biological Sciences: Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections
https://www.readbyqxmd.com/read/28428942/follicular-fluid-cerebellin-and-betatrophin-regulate-the-metabolic-functions-of-growing-follicles-in-polycystic-ovary-syndrome
#10
Aynur Adeviye Ersahin, Mustafa Acet, Suat Suphan Ersahin, Tuba Acet, Meltem Yardim, Omer Kenanoglu, Suleyman Aydin
OBJECTIVE: The aim of this study was to assess the changes of follicular fluid (FF) and serum levels of cerebellin precursor protein 1 (cbln1) and betatrophin in patients with polycystic ovary syndrome (PCOS) undergoing in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) with a gonadotropin-releasing hormone (GnRH) antagonist protocol. METHODS: Twenty infertile women with PCOS and 20 control women diagnosed as poor responders undergoing ovarian stimulation with a GnRH antagonist were included...
March 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28428168/testing-the-feasibility-and-usability-of-a-novel-smartphone-based-self-management-support-system-for-dialysis-patients-a-pilot-study
#11
Aki Hayashi, Satoko Yamaguchi, Kayo Waki, Katsuhito Fujiu, Norio Hanafusa, Takahiro Nishi, Hyoe Tomita, Haruka Kobayashi, Hideo Fujita, Takashi Kadowaki, Masaomi Nangaku, Kazuhiko Ohe
BACKGROUND: Diet and fluid restrictions that need continuous self-management are among the most difficult aspects of dialysis treatment. Smartphone applications may be useful for supporting self-management. OBJECTIVE: Our objective is to investigate the feasibility and usability of a novel smartphone-based self-management support system for dialysis patients. METHODS: We developed the Self-Management and Recording System for Dialysis (SMART-D), which supports self-monitoring of three mortality-related factors that can be modified by lifestyle: interdialytic weight gain and predialysis serum potassium and phosphorus concentrations...
April 20, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28427958/micro-anatomical-changes-in-major-blood-vessel-caused-by-dengue-virus-serotype-2-infection
#12
Sivan Padma Priya, S Sakinah, Mok Pooi Ling, Hui-Yee Chee, Akon Higuchi, Rukman Awang Hamat, Vasantha Kumari Neela, Abdullah A Alarfaj, Murugan A Munusamy, Ashraf A Hatamleh, Ahmed E Al-Sabri, Ibrahim Ahmad Abdulaziz Al-Suwailem, Mariappan Rajan, Giovanni Benelli, Marlina, S Suresh Kumar
Dengue virus (DENV) has emerged as a major economic concern in developing countries, with 2.5 billion people believed to be at risk. Vascular endothelial cells (ECs) lining the circulatory system from heart to end vessels perform crucial functions in the human body, by aiding gas exchange in lungs, gaseous, nutritional and its waste exchange in all tissues, including the blood brain barrier, filtration of fluid in the glomeruli, neutrophil recruitment, hormone trafficking, as well as maintenance of blood vessel tone and hemostasis...
April 17, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28427806/decreased-synovial-fluid-ghrelin-levels-are-linked-with-disease-severity-in-primary-knee-osteoarthritis-patients-and-are-increased-following-laser-therapy
#13
Yu-Cong Zou, Hong-Yu Deng, Zheng Mao, Chang Zhao, Ju Huang, Gang Liu
BACKGROUND: Ghrelin has been proved to inhibit inflammation and promote cartilage growth. So far, its role in patients with primary osteoarthritis has not been investigated. OBJECTIVE: The current study was performed to explore the serum and synovial ghrelin levels as well as the relationship between ghrelin levels and disease severity in primary knee OA patients. METHODS: 52 primary knee OA patients were recruited in the study. 52 sex and age-matched patients visiting our hospital for regular body check were selected as controls...
April 18, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28427413/adiponectin-levels-in-the-serum-and-cerebrospinal-fluid-of-amyotrophic-lateral-sclerosis-patients-possible-influence-on-neuroinflammation
#14
Patrizia Bossolasco, Raffaella Cancello, Alberto Doretti, Claudia Morelli, Vincenzo Silani, Lidia Cova
BACKGROUND: Adiponectin (APN) is a key player in energy homeostasis strictly associated with cerebrovascular and neurodegenerative diseases. Since APN also belongs to anti-inflammatory-acting adipokines and may influence both neuroinflammation and neurodegenerative processes, we decided to study the APN levels in amyotrophic lateral sclerosis (ALS) and other neurodegenerative diseases. METHODS: We assessed APN levels by ELISA immunoassay in both the serum and cerebrospinal fluid of a cohort of familial and sporadic ALS patients, characterized by normal body mass index and absence of dysautonomic symptoms...
April 20, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28426559/ct-evidence-of-fluid-in-the-hernia-sac-predicts-surgical-site-infection-following-mesh-repair-of-acutely-incarcerated-ventral-and-groin-hernias
#15
Tyler J Loftus, Kristina L Go, Janeen R Jordan, Chasen A Croft, R Stephen Smith, Frederick A Moore, Philip A Efron, Alicia M Mohr, Scott C Brakenridge
BACKGROUND: Mesh placement during repair of acutely incarcerated ventral and groin hernias is associated with high rates of surgical site infection (SSI). The utility of preoperative CT in this setting is unclear. We hypothesized that CT evidence of bowel wall compromise would predict SSI while accounting for physiologic parameters. METHODS: We performed a four-year retrospective cohort analysis of 50 consecutive patients who underwent mesh repair of acutely incarcerated ventral or groin hernias...
April 20, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28426528/comparative-analysis-of-multicolor-flow-cytometry-and-immunohistochemistry-for-the-detection-of-disseminated-tumor-cells
#16
Eszter Szánthó, Bettina Kárai, Gergely Ivády, Judit Bedekovics, István Szegedi, Miklós Petrás, György Ujj, Anikó Ujfalusi, Csongor Kiss, János Kappelmayer, Zsuzsanna Hevessy
Disseminating cells of a primary solid tumor may represent the origin of metastases and relapses. We aimed at comparing the diagnostic efficacy of multicolor flow cytometry (MFC) and morphology/immunohistochemistry (IHC) in the detection of disseminated tumor cells in the bone marrow (BM) and body fluids of patients with solid tumors, and in pediatric neuroblastoma cases. We investigated 72 samples retrospecively from 50 patients by MFC. Morphology/IHC data were available in 48 cases. In the first cohort, 36 samples derived from 34 patients with various forms of suspected and proven solid tumors and in the second cohort, 36 samples of 16 children with suspected and proven neuroblastoma were analyzed at diagnosis or during follow-up in a 4-color setting by MFC, and the results were compared with those obtained by IHC...
April 19, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28425045/soluble-triggering-receptor-expressed-on-myeloid-cell-1-strem-1-a-potential-biomarker-for-the-diagnosis-of-infectious-diseases
#17
REVIEW
Changlin Cao, Jingxian Gu, Jingyao Zhang
Sensitive and useful biomarkers for the diagnosis and prognosis of infectious diseases have been widely developed. An example of these biomarkers is triggering receptor expressed on myeloid cell-1 (TREM-1), which is a cell surface receptor expressed on monocytes/macrophages and neutrophils. TREM-1 amplifies inflammation by activating the TREM-1/DAP12 pathway. This pathway is triggered by the interaction of TREM-1 with ligands or stimulation by bacterial lipopolysaccharide. Consequently, pro-inflammatory cytokines and chemokines are secreted...
April 19, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28424946/preparation-and-corrosion-resistance-of-magnesium-phytic-acid-hydroxyapatite-composite-coatings-on-biodegradable-az31-magnesium-alloy
#18
Min Zhang, Shu Cai, Feiyang Zhang, Guohua Xu, Fengwu Wang, Nian Yu, Xiaodong Wu
In this work, a magnesium phytic acid/hydroxyapatite composite coating was successfully prepared on AZ31 magnesium alloy substrate by chemical conversion deposition technology with the aim of improving its corrosion resistance and bioactivity. The influence of hydroxyapatite (HA) content on the microstructure and corrosion resistance of the coatings was investigated. The results showed that with the increase of HA content in phytic acid solution, the cracks on the surface of the coatings gradually reduced, which subsequently improved the corrosion resistance of these coated magnesium alloy...
June 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28424559/evidence-of-both-systemic-inflammation-and-neuroinflammation-in-fibromyalgia-patients-as-assessed-by-a-multiplex-protein-panel-applied-to-the-cerebrospinal-fluid-and-to-plasma
#19
Emmanuel Bäckryd, Lars Tanum, Anne-Li Lind, Anders Larsson, Torsten Gordh
In addition to central hyperexcitability and impaired top-down modulation, chronic inflammation probably plays a role in the pathophysiology of fibromyalgia (FM). Indeed, on the basis of both animal experiments and human studies involving the analysis of cytokines and other inflammation-related proteins in different body fluids, neuroinflammatory mechanisms are considered to be central to the pathophysiology of many chronic pain conditions. However, concerning FM, previous human plasma/serum and/or cerebrospinal fluid (CSF) cytokine studies have looked only at a few predetermined cytokine candidates...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28424166/applying-fluid-biomarkers-to-alzheimer-s-disease
#20
Henrik Zetterberg
Alzheimer's disease (AD) is a common neurodegenerative disease that starts with a clinically silent phase of a decade or more during which brain pathologies accumulate predominantly in the medial temporal lobe but also elsewhere in the brain. Network dysfunction and clinical symptoms typically appear when senile plaque (amyloid β) and neurofibrillary tangle (tau) pathologies meet in the brain parenchyma, producing synapse and neuronal loss. For plaque and tangle pathologies, reliable fluid biomarkers have been developed...
April 19, 2017: American Journal of Physiology. Cell Physiology
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