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https://www.readbyqxmd.com/read/29351687/intraoperative-transpedicular-onyx-injection-to-reduce-vascularity-of-a-thoracic-hemangiopericytoma-after-unsuccessful-preoperative-endovascular-embolization-a-technical-report
#1
Hazem Mashaly, Zoe Zhang, Andrew Shaw, Patrick Youssef, Ehud Mendel
BACKGROUND AND IMPORTANCE: Hemangiopericytoma is a rare vascular tumor with central nervous system involvement representing only 1% of central nervous system tumors. They rarely affect the vertebral column. Complete surgical resection is the treatment of choice for hemangiopericytoma given their high rates of local recurrence. However, the high vascularity of such tumors with the risk of massive bleeding during surgery represents a significant challenge to surgeons. Therefore, preoperative endovascular embolization via the transarterial route has been advocated...
February 1, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29351562/clinical-and-ultrasonographic-features-associated-to-response-to-intraarticular-corticosteroid-injection-a-one-year-follow-up-prospective-cohort-study-in-knee-osteoarthritis-patient-with-joint-effusion
#2
Joan Calvet, Cristóbal Orellana, Carlos Galisteo, María García-Manrique, Noemí Navarro, Assumpta Caixàs, Marta Larrosa, Jordi Gratacós
OBJECTIVES: Intraarticular injection is used for pain relief in knee osteoarthritis (OA), but there is not a well defined profile of patient who could get more benefit from it. The purpose of this study was to evaluate the frequency of pain relief at one year after corticosteroids intraarticular injection and to identify clinical factors associated to response in patients with knee osteoarthritis with joint effusion. METHODS: One-year prospective cohort study of patients with knee OA with joint effusion confirmed by ultrasound...
2018: PloS One
https://www.readbyqxmd.com/read/29351423/role-of-trpv1-in-acupuncture-modulation-of-reflex-excitatory-cardiovascular-responses
#3
Zhi-Ling Guo, Liang-Wu Fu, Hou-Fen Su, Stephanie C Tjen-A-Looi, John C Longhurst
Acupuncture, including manual and electroacupuncture (MA and EA), at the P5-6 acupoints stimulates afferents in the median nerve (MN) to modulate sympathoexcitatory cardiovascular reflexes. Transient receptor potential vanilloid type-1 (TRPV1) is present in afferents distributed in the region of acupoints. However, contribution of TRPV1 to activation of sensory nerves by acupuncture, leading to modulation of pressor responses has not been studied. We hypothesized that TRPV1 participates in acupuncture's activation of sensory fibers and neurons to modulate pressor reflexes...
January 3, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29351421/increased-insulin-clearance-in-mice-with-double-deletion-of-glucagon-like-peptide-1-and-glucose-dependent-insulinotropic-polypeptide-receptors
#4
Andrea Tura, Roberto Bizzotto, Yuichiro Yamada, Yutaka Seino, Giovanni Pacini, Bo Ahren
To establish whether incretin hormones affect insulin clearance, the aim of this study was to assess insulin clearance in mice with genetic deletion of receptors for both glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP), so called double incretin receptor knockout mice (DIRKO). DIRKO (n=31) and wild-type (WT) C57BL6J mice (n=45) were intravenously injected with D-glucose (0.35 g/kg). Blood was sampled for 50 minutes and assayed for glucose, insulin and C-peptide. Data were modeled to calculate insulin clearance; C-peptide kinetics was established after human C-peptide injection...
January 3, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29351420/fourth-ventricular-tsh-induces-satiety-and-increases-body-temperature-in-rats
#5
Ulrika Smedh, Karen A Scott, Timothy H Moran
Besides its well-known action to stimulate thyroid hormone release, Thyrotropin mRNA is expressed within the brain and Thyrotropin and its receptor have been shown to be present in brain areas that control feeding and gastrointestinal function. Here, the hypothesis that Thyrotropin acts on receptors in the dorsal hindbrain to alter food intake and/or gastric function was tested. Fourth ventricular injections of Thyrotropin (0.06, 0.6 and 6.0 µg) were given to rats with chronic intracerebroventricular cannulas aimed at the fourth ventricle...
January 3, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29351393/liver-tissue-metabolically-transformed-by-alcohol-induces-immune-recognition-of-liver-self-proteins-but-not-in-vivo-inflammation
#6
Michael J Duryee, Benjamin M Wiese, Jordan R Bowman, Jared D Vanlandingham, Lynell W Klassen, Geoffrey E Thiele, Carlos D Hunter, Daniel R Anderson, Ted R Mikuls, Geoffrey M Thiele
Precision cut liver slices (PCLSs) provide a novel model for studies in alcoholic liver disease (ALD). This is relevant, as in vivo ethanol exposure does not appear to generate significant liver damage in ethanol fed mice, except in the NIAAA binge model of ALD. Previous studies have shown that the two metabolites of ethanol consumption, malondialdhyde (MDA) and acetaldehyde (AA), combine to form (MAA), which has been correlated with the development and progression of ALD. In this study murine PCLSs were incubated with ethanol and examined for the production of MAA...
December 28, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29351392/young-mice-expel-the-tapeworm-hymenolepis-diminuta-and-are-protected-from-colitis-by-triggering-a-memory-response-with-worm-antigen
#7
Toshio Arai, Fernando Lopes, Adam Shute, Arthur Wang, Derek M McKay
Infection with helminth parasites reduces the severity of concomitant inflammatory disease in adult mice. There is an alarming increase of IBD in children. It is important to determine if helminth therapy would be of value in pediatric IBD, and if triggering immunological memory to the worm would be anti-colitic. Three-week (young) and eight-week (adult) old Balb/c mice were infected with H. diminuta, and infectivity and T helper (TH)-2 immunity assessed. Other mice received H. diminuta {plus minus} a crude worm extract (HdE) 28-42 days post-infection (dpi) {plus minus} dinitrobenzene sulphonic acid (DNBS; 1...
January 4, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29351358/microfluidics-based-subretinal-chemical-neuromodulation-of-photoreceptor-degenerated-retinas
#8
Corey M Rountree, John B Troy, Laxman Saggere
Purpose: Retinal prostheses can restore rudimentary vision in cases of photoreceptor degeneration through electrical stimulation, but face difficulties achieving high spatial resolution because electrical current is an inherently unnatural stimulus. We investigated the therapeutic feasibility of using patterned delivery of the glutamate neurotransmitter, a primary agent of natural synaptic communication of the retina, as a biomimetic chemical alternative to electrical current for neuromodulation of photoreceptor degenerate retina...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29351316/dexmedetomidine-reduces-lipopolysaccharide-induced-neuroinflammation-sickness-behavior-and-anhedonia
#9
Ching-Hua Yeh, Liang-Po Hsieh, Ming-Chung Lin, Tsui-Shan Wei, Hui-Ching Lin, Chia-Cheng Chang, Chung-Hsi Hsing
BACKGROUND: Peripheral innate immune response may induce sickness behavior through activating microglia, excessive cytokines production, and neuroinflammation. Dexmedetomidine (Dex) has anti-inflammatory effect. We investigated the effects of Dex on lipopolysaccharide (LPS)-induced neuroinflammation and sickness behavior in mice. MATERIALS AND METHODS: BALB/c mice were intraperitoneally (i.p.) injected with Dex (50 ug/kg) or vehicle. One hour later, the mice were injected (i...
2018: PloS One
https://www.readbyqxmd.com/read/29351183/the-effect-of-impactful-papers-on-clinical-practice-in-the-us-corticosteroid-injection-for-patients-with-lateral-epicondylitis
#10
Yuki Fujihara, Helen E Huetteman, Ting-Ting Chung, Melissa J Shauver, Kevin C Chung
BACKGROUND: Following the publication of high level evidence demonstrating that corticosteroid inject is not an effective treatment for lateral epicondylitis, a reduction in the rate of corticosteroid injection would be expected. We aimed to clarify the current clinical practice pattern for lateral epicondylitis and to identify which factors hinder or encourage the introduction of evidence into clinical practice. METHODS: In this administrative claims analysis, we used the 2009 to 2015 Truven MarketScan databases...
January 12, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29351171/spinal-pkc-erk-signal-pathway-mediates-hyperalgesia-priming
#11
Wei-Hsin Chen, Ya-Ting Chang, Yong-Cyuan Chen, Sin-Jhong Cheng, Chien-Chang Chen
Chronic pain can be initiated by one or more acute stimulations to sensitize neurons into the primed state. In the primed state, the basal nociceptive thresholds of the animal are normal, but in response to another hyperalgesic stimulus, the animal develops enhanced and prolonged hyperalgesia. The exact mechanism of how primed state is formed is not completely understood. Here we showed that spinal PKC/ERK signal pathway is required for neuronal plasticity change, hyperalgesic priming formation and the development of chronic hyperalgesia using acid-induced muscle pain (AIMP) model in mice...
January 18, 2018: Pain
https://www.readbyqxmd.com/read/29351168/co-regulation-of-er-stress-and-oxidative-stress-in-neuropathic-pain-and-disinhibition-of-the-spinal-nociceptive-circuitry
#12
Yanhu Ge, Yingfu Jiao, Peiying Li, Zhenghua Xiang, Zhi Li, Long Wang, Wenqian Li, Hao Gao, Jiayun Shao, Daxiang Wen, Weifeng Yu
The accumulation of unfolded or misfolded proteins in the endoplasmic reticulum (ER) lumen leads to ER stress, which is related to cellular reactive oxygen species (ROS) production. Neuropathic pain may result from spinal dorsal horn (SDH) ER stress. In this study, we examined the cause-effect relationship between ER stress and neuropathic pain using the spinal nerve ligation(SNL) rat model. We showed that ER stress was mutually promotive with oxidative stress during the process. We also tested the hypothesis that spinal sensitization arose from reduced activities of GABA-ergic interneurons and that spinal sensitization was mediated by SDH ER stress...
January 18, 2018: Pain
https://www.readbyqxmd.com/read/29350905/ampulexins-a-new-family-of-peptides-in-venom-of-the-emerald-jewel-wasp-ampulex-compressa
#13
Eugene Moore, Ryan Arvidson, Christopher Banks, Jean Urenda, Elizabeth Duong, Haroun Mohammad, Michael E Adams
The parasitoid wasp Ampulex compressa injects venom directly into the brain and subesophageal ganglion of the cockroach Periplaneta americana, inducing a seven to ten day lethargy termed hypokinesia. Hypokinesia presents as a significant reduction in both escape response and spontaneous walking. We examined aminergic and peptidergic components of milked venom with HPLC and MALDI-TOF mass spectrometry. HPLC coupled with electrochemical detection confirmed presence of dopamine in milked venom, while mass spectrometry revealed that the venom gland and venom sac have distinct peptide profiles, with milked venom predominantly composed of venom sac peptides...
January 19, 2018: Biochemistry
https://www.readbyqxmd.com/read/29350689/safety-of-intravitreal-injection-of-ranibizumab-in-early-pregnancy-a-series-of-three-cases
#14
P Fossum, C Couret, B Briend, M Weber, L Lagarce
PurposeRanibizumab is used in the treatment of choroidal neovascularization (CNV). Although systemic exposure to ranibizumab is low after ocular administration, its mechanism of action must be regarded as potentially teratogenic and embryo-fetotoxic. Women are advised to wait 3 months after the last dose of treatment with ranibizumab before conceiving. Little is known about the fetal side-effects of this drug.MethodsThree pregnant women were treated with ranibizumab. One patient had idiopathic CNV.ResultsAfter receiving injections at 10 and 21 weeks after her last menstrual period (LMP), she gave birth to a healthy child...
January 19, 2018: Eye
https://www.readbyqxmd.com/read/29350681/aav-9-mediated-phosphatase-1-inhibitor-1-overexpression-improves-cardiac-contractility-in-unchallenged-mice-but-is-deleterious-in-pressure-overload
#15
D M Schwab, L Tilemann, R Bauer, M Heckmann, A Jungmann, M Wagner, J Burgis, C Vettel, H A Katus, A El-Armouche, O J Müller
The downregulation of β-adrenergic receptors (β-AR) and decreased cAMP-dependent protein kinase activity in failing hearts results in decreased phosphorylation and inactivation of phosphatase-inhibitor-1 (I-1), a distal amplifier element of β-adrenergic signaling, leading to increased protein phosphatase 1 activity and dephosphorylation of key phosphoproteins, including phospholamban. Downregulated and hypophosphorylated I-1 likely contributes to β-AR desensitization; therefore its modulation is a promising approach in heart failure treatment...
January 19, 2018: Gene Therapy
https://www.readbyqxmd.com/read/29350447/effect-of-sedation-with-butorphanol-on-variables-pertaining-to-the-ophthalmic-examination-in-dogs
#16
Jean-Yves Douet, Alain Regnier, Agnès Dongay, Sophie Jugant, Géraldine Jourdan, Didier Concordet
OBJECTIVE: To evaluate whether sedation with intramuscular butorphanol can interfere with different variables of the ocular examination in dogs. ANIMALS: Twenty-two beagles without ophthalmic abnormalities. PROCEDURES: Each dog was examined 20 min prior to and again just before administration of butorphanol to establish baseline data. The globe and nictitating membrane position was evaluated, and the following were recorded: menace response, dazzle reflex, corneal blink reflex, phenol red thread tear test (PRT), Schirmer tear test-1 (STT-1), pupil size (PS) measurement, and rebound tonometry...
January 19, 2018: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29350422/potency-of-polycyclic-aromatic-hydrocarbons-pahs-in-chicken-and-japanese-quail-embryos
#17
Cynthia D Franci, Angelika Aleksieva, Emily Boulanger, Jonas Brandenburg, Theresa Johnston, Asya Malinova, Jessica A Head
Birds are receptors of concern for polycyclic aromatic hydrocarbons (PAHs), and yet limited data describing the relative potency of PAH congeners are available for avian species. Here, we determine embryonic LD50 values for 5 PAH congeners in chicken (Gallus gallus) and one PAH congener in Japanese quail (Coturnix japonica). Graded concentrations of each test compound were injected into the air cell of chicken or quail eggs before incubation. Embryos were monitored through development (quail) or hatching (chicken)...
January 19, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29350377/melatonin-exhibits-supportive-effects-on-oxidants-and-anastomotic-healing-during-intestinal-ischemia-reperfusion-injury
#18
Namık Özkan, Ömer Faik Ersoy, Zeki Özsoy, Ebru Çakır
BACKGROUND: The aim of this study was to investigate the effects of melatonin on intestinal anastomosis after intestinal ischemia/ reperfusion injury (IRI). METHODS: Thirty Wistar albino rats of both sexes were divided into 3 groups: sham, control, and treatment. IRI was performed by clamping the superior mesenteric artery (SMA) for 30 minutes, followed by reperfusion. The sham rats received only manipulation of the SMA. Melatonin (10 mg/kg) was administered to the treatment group, and the control group was given a vehicle injection...
January 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29350326/oxyresveratrol-prevents-murine-h22-hepatocellular-carcinoma-growth-and-lymph-node-metastasis-via-inhibiting-tumor-angiogenesis-and-lymphangiogenesis
#19
Yuanqi Liu, Wei Ren, Yang Bai, Lihong Wan, Xiaodong Sun, Yin Liu, Wenbi Xiong, Yuan-Yuan Zhang, Liming Zhou
The purpose of this study was to investigate the effects and mechanisms of oxyresveratrol (Oxyres) on hepatocellular carcinoma (HCC) in vitro and in vivo. The MTT and Transwell assays were performed to investigate the effects of Oxyres on cell proliferation and migration of two HCC cell lines, QGY-7701 and SMMC-7721 cells. H22 cells were subcutaneously injected into hind foot pads of 70 male mice to establish a lymph node metastasis model. These mice were randomly divided into seven groups as follows, control group, HCC group, Oxyres 20 mg/kg group, Oxyres 40 mg/kg group, Oxyres 60 mg/kg group, Resveratrol (Res) group, and Adriamycin (ADM) group...
January 19, 2018: Journal of Natural Medicines
https://www.readbyqxmd.com/read/29350258/antitumor-effects-of-radionuclide-treatment-using-%C3%AE-emitting-meta-211at-astato-benzylguanidine-in-a-pc12-pheochromocytoma-model
#20
Yasuhiro Ohshima, Hitomi Sudo, Shigeki Watanabe, Kotaro Nagatsu, Atsushi B Tsuji, Tetsuya Sakashita, Yoichi M Ito, Keiichiro Yoshinaga, Tatsuya Higashi, Noriko S Ishioka
PURPOSE: Therapeutic options for patients with malignant pheochromocytoma are currently limited, and therefore new treatment approaches are being sought. Targeted radionuclide therapy provides tumor-specific systemic treatments. The β-emitting radiopharmaceutical meta-131I-iodo-benzylguanidine (131I-MIBG) provides limited survival benefits and has adverse effects. A new generation of radionuclides for therapy using α-particles including meta-211At-astato-benzylguanidine (211At-MABG) are expected to have strong therapeutic effects with minimal side effects...
January 19, 2018: European Journal of Nuclear Medicine and Molecular Imaging
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