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https://www.readbyqxmd.com/read/28101233/lipid-raft-localization-of-epidermal-growth-factor-receptor-alters-matrix-metalloproteinase-1-expression-in-siha-cells-via-the-mapk-erk-signaling-pathway
#1
Zongfeng Zhang, Lina Wang, Juan Du, Yuanbo Li, Huilun Yang, Chenxi Li, Hui Li, Haiyang Hu
Matrix metalloproteinase-1 (MMP-1) has been identified as an important participant in tumor invasion, metastasis and angiogenesis. The purpose of the present study was to investigate the effects of epidermal growth factor receptor (EGFR) localization to lipid rafts on signaling pathways involved in the regulation of MMP-1 expression in SiHa cells, a cervical cancer cell line. EGFR activation by EGF specifically induced MMP-1 expression at both the messenger RNA and protein levels. Additionally, it was observed that EGFR localized to lipid rafts, and that the redistribution of EGFR induced by lipid raft disruption strengthened EGF-induced MMP-1 expression...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28099243/supraclavicular-brachial-plexus-block-in-the-presence-of-a-cervical-rib
#2
Monica Liu, Philip Peng
No abstract text is available yet for this article.
January 18, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28081534/enhanced-auditory-sensitivity-to-body-vibrations-in-superior-canal-dehiscence-syndrome
#3
Krister Brantberg, Luca Verrecchia, Magnus Westin
A key feature of superior canal dehiscence (SCD) syndrome is supranormal hearing of body sounds. The aim of the present study was to quantify this phenomenon and to ascertain whether auditory sensitivity to body vibrations can distinguish SCD patients. Hearing thresholds in response to vibration at the vertex, at the spinous process of the 7th cervical vertebra, and at the medial malleolus were tested in 10 SCD patients and 10 controls. Both patients and controls had insert earphones in both ears. The insert in the test ear was blocked while masking was presented to the other ear...
January 13, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/28076940/cervical-ripening-with-self-administered-iso-sorbide-mononitrate-vaginally-in-uncomplicated-singleton-pregnancies-at-39-weeks-gestation-a-double-blind-randomised-controlled-trial
#4
RANDOMIZED CONTROLLED TRIAL
K Attanayake, M Goonewardene
Introduction: Vaginal iso sorbide mononitrate (ISMN) is effective in pre induction cervical ripening in post dated pregnancies. Objectives: To determine the effectiveness and acceptability of ISMN self-administered vaginally at home, in causing cervical ripening in uncomplicated singleton pregnancies at 39 weeks gestation. Methods: Consecutive women with uncomplicated singleton pregnancies, presenting between 01 October 2013 and 31 March 2014, with a modified Bishop score (MBS) of < 5 at a gestational age (GA) of 273 days to the University Obstetric Unit of Teaching Hospital Mahamodera Galle, were allocated by stratified (primip/multip) block randomisation to self-administer vaginally at home every other day, five doses of 60 mg of sustained release form of ISMN (ISMN-SR); (n = 72, cases), or pyridoxine 10 mgs (n=72, controls), from GA 273 to 282 days...
30, 2016: Ceylon Medical Journal
https://www.readbyqxmd.com/read/28072807/occipital-nerve-stimulation-for-refractory-chronic-migraine-results-of-a-long-term-prospective-study
#5
Dolores Rodrigo, Pilar Acin, Pedro Bermejo
BACKGROUND: Refractory chronic migraine affects approximately 4% of the population worldwide and results in severe pain, lifestyle limitations, and decreased quality of life. Occipital nerve stimulation (ONS) refers to the electric stimulation of the distal branches of greater and lesser occipital nerves; the surgical technique has previously been described and has demonstrated efficacy in the treatment of a wide variety of headache disorders. OBJECTIVES: The aim of this study is to evaluate the long-term efficacy and tolerability of ONS for medically intractable chronic migraine...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28072798/reliability-and-safety-of-contra-lateral-oblique-view-for-interlaminar-epidural-needle-placement
#6
Richard Derby, Irina Melnik, Jongwoo Choi, Sang-Hoon Lee, Jeong-Eun Lee
Cord trauma is a risk with a cervical and thoracic interlaminar epidural approach to the epidural space. Intermittent lateral fluoroscopic imaging to detect needle depth is often cumbersome and may be difficult to interpret. In comparison, the contra-lateral oblique (CLO) fluoroscopic view is efficient and easy to interpret. However, the in vivo reliability and safety of this technique has not been formally investigated.The senior author collected fluoroscopic images on 278 consecutive patients undergoing an interlaminar epidural block at the T1-T2 level performed using a 17 gauge Tuohy needle...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28072749/ultrasound-guided-pulsed-radiofrequency-treatment-of-the-cervical-sympathetic-chain-for-complex-regional-pain-syndrome-a-retrospective-observational-study
#7
Eung Don Kim, Woo Joo Yoo, Yoo Na Kim, Hue Jung Park
The stellate ganglion is a common target to manage neuropathic pain in the upper extremities. However, the effect duration of a single stellate ganglion block is often temporary. To overcome the short-term effects of a single sympathetic block, pulsed radiofrequency (PRF) can be applied. The aim of the present study was to investigate the efficacy of PRF on the cervical sympathetic chain under ultrasound guidance for complex regional pain syndrome (CRPS).Twelve CRPS patients who underwent PRF on the cervical sympathetic chain were enrolled in this retrospective analysis...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28054557/kilohertz-frequency-nerve-block-enhances-anti-inflammatory-effects-of-vagus-nerve-stimulation
#8
Yogi A Patel, Tarun Saxena, Ravi V Bellamkonda, Robert J Butera
Efferent activation of the cervical vagus nerve (cVN) dampens systemic inflammatory processes, potentially modulating a wide-range of inflammatory pathological conditions. In contrast, afferent cVN activation amplifies systemic inflammatory processes, leading to activation of the hypothalamic-pituitary-adrenal (HPA) axis, the sympathetic nervous system through the greater splanchnic nerve (GSN), and elevation of pro-inflammatory cytokines. Ideally, to clinically implement anti-inflammatory therapy via cervical vagus nerve stimulation (cVNS) one should selectively activate the efferent pathway...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28040243/radiographic-damage-and-progression-of-the-cervical-spine-in-ankylosing-spondylitis-patients-treated-with-tnf-%C3%AE-inhibitors-facet-joints-vs-vertebral-bodies
#9
Fiona Maas, Anneke Spoorenberg, Elisabeth Brouwer, Eveline van der Veer, Hendrika Bootsma, Reinhard Bos, Freke R Wink, Suzanne Arends
OBJECTIVES: To investigate radiographic damage and 4-year progression of the cervical facet joints in a prospective observational cohort of AS patients treated with TNF-α inhibitors, to compare this with damage and progression of the cervical vertebral bodies, and to study the relation with patient characteristics and clinical outcome. METHODS: Patients from the Groningen Leeuwarden AS (GLAS) cohort starting TNF-α inhibitors with baseline and 4-year radiographs were included...
November 9, 2016: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28030531/does-focus-of-attention-improve-snatch-lift-kinematics
#10
Kyle S Schutts, Will Wu, Anthony Vidal, Jamie Hiegel, James Becker
Recent motor control literature has demonstrated that using verbal instructions to direct a performer's attention externally (i.e. toward the movement outcome) enhances motor skill performance. The purpose of this study was to investigate how an athlete's focus of attention impacts kinematic performance of the snatch. Using a counterbalanced within-participant design, 12 competitively trained athletes (8 male, 4 female) performed 2 instructional blocks of 3 snatch repetitions at 80% of their most recent training 1RM...
December 24, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28025352/chronic-whiplash-associated-disorders-wad-responses-to-nerve-blocks-of-cervical-zygapophyseal-joints
#11
Mats Persson, Jan Sörensen, Björn Gerdle
OBJECTIVE: This study explores the prevalence of facet joint pain in chronic Whiplash Associated Disorder (WAD). DESIGN: Forty-seven patients with chronic WAD were scheduled for medial branch blocks of the cervical spine. METHODS: The patient's localization of the pain together with established pain maps guided to the first level of zygapophyseal joint to be tested. The joint was anesthetized by injecting bupivacaine (0.5 ml; 5 mg/ml) to the medial branches of the cervical dorsal rami above and below the joint...
December 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28025094/serotonergic-mechanisms-of-trigeminal-meningeal-nociception-implications-for-migraine-pain
#12
Erkan Kilinc, Cindy Guerrero-Toro, Andrey Zakharov, Carmela Vitale, Max Gubert-Olive, Ksenia Koroleva, Arina Timonina, Liliana L Luz, Irina Shelukhina, Raisa Giniatullina, Fatma Tore, Boris V Safronov, Rashid Giniatullin
Serotonergic mechanisms play a central role in migraine pathology. However, the region-specific effects of serotonin (5-HT) mediated via multiple types of receptors in the nociceptive system are poorly understood. Using extracellular and patch-clamp recordings, we studied the action of 5-HT on the excitability of peripheral and central terminals of trigeminal afferents. 5-HT evoked long-lasting TTX-sensitive firing in the peripheral terminals of meningeal afferents, the origin site of migraine pain. Cluster analysis revealed that in majority of nociceptive fibers 5-HT induced either transient or persistent spiking activity with prevailing delta and theta rhythms...
December 23, 2016: Neuropharmacology
https://www.readbyqxmd.com/read/28018501/regional-anesthesia-with-dexmedetomidine-infusion-a-feasible-method-for-the-awake-test-during-carotid-endarterectomy
#13
Jonggeun Lee, Up Huh, Seunghwan Song, Sung Woon Chung, Sang Min Sung, Han Jin Cho
Background: Carotid endarterectomy (CEA) is the standard treatment modality for the prevention of stroke in patients with carotid stenosis. This study reports our experiences during CEA with routine awake tests under regional anesthesia (RA) combined with light sedation by dexmedetomidine infusion. Materials and Methods: We retrospectively reviewed 23 patients who had undergone CEA between April 2013 and June 2015. All patients underwent the awake test during CEA with cervical plexus block and light sedation by continuous dexmedetomidine infusion...
2016: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/28018130/postthoracotomy-ipsilateral-shoulder-pain-a-literature-review-on-characteristics-and-treatment
#14
REVIEW
Fardin Yousefshahi, Oana Predescu, Melissa Colizza, Juan Francisco Asenjo
Context. Postthoracotomy Ipsilateral Shoulder Pain (IPS) is a common and sometimes intractable pain syndrome. IPS is different from chest wall pain in type, origin, and treatments. Various treatments are suggested or applied for it but none of them is regarded as popular accepted effective one. Objectives. To review data and collect all present experiences about postthoracotomy IPS and its management and suggest future research directions. Methods. Search in PubMed database and additional search for specific topics and review them to retrieve relevant articles as data source in a narrative review article...
2016: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/28017229/vestibular-evoked-myogenic-potentials-and-mri-in-early-multiple-sclerosis-validation-of-the-vemp-score
#15
Luka Crnošija, Magdalena Krbot Skorić, Tereza Gabelić, Ivan Adamec, Mario Habek
BACKGROUND: To validate the VEMP score as a measure of brainstem dysfunction in patients with the first symptom of multiple sclerosis (MS) (clinically isolated syndrome (CIS)) and to investigate the correlation between VEMP and brainstem MRI results. METHODS: 121 consecutive CIS patients were enrolled and brainstem functional system score (BSFS) was determined. Ocular VEMP (oVEMP) and cervical VEMP (cVEMP) were analyzed for latencies, conduction block and amplitude asymmetry ratio and the VEMP score was calculated...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28012886/biomechanical-and-endplate-effects-on-nutrient-transport-in-the-intervertebral-disc
#16
Morgan B Giers, Bryce T Munter, Kyle J Eyster, George D Ide, Anna G U S Newcomb, Jennifer N Lehrman, Evgenii Belykh, Vadim A Byvaltsev, Brian P Kelly, Mark C Preul, Nicholas Theodore
BACKGROUND: Physical data are lacking on nutrient transport in human intervertebral discs (IVDs), which supports regeneration. Our objective was to study nutrient transport in porcine IVDs to determine the effects of biomechanical and physiological factors. METHODS: In vitro testing of whole porcine IVDs was performed under different loading conditions. Fifty cervical, thoracic, and lumbar discs with attached end plates were removed from 4 Yorkshire pigs (90-150 pounds)...
December 21, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/28009709/the-effect-of-cervical-interbody-cage-morphology-material-composition-and-substrate-density-on-cage-subsidence
#17
Paul B Suh, Christian Puttlitz, Chad Lewis, B Sonny Bal, Kirk McGilvray
BACKGROUND: Interbody cages used in spinal fusion surgery can subside into the adjacent vertebral bodies after implantation, leading to loss of spinal height, malalignment, and possible radicular symptoms. Several factors may contribute to cage subsidence. METHODS: This in vitro investigation examined the possible contribution of substrate density, cage contact area (ie, cage footprint), cage filling, cage end plate surface texture, and cage material composition on the magnitude of subsidence...
February 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28007583/towards-a-privacy-preserving-cohort-discovery-framework-for-clinical-research-networks
#18
Jiawei Yuan, Bradley Malin, François Modave, Yi Guo, William R Hogan, Elizabeth Shenkman, Jiang Bian
BACKGROUND: The last few years have witnessed an increasing number of clinical research networks (CRNs) focused on building large collections of data from electronic health records (EHRs), claims, and patient-reported outcomes (PROs). Many of these CRNs provide a service for the discovery of research cohorts with various health conditions, which is especially useful for rare diseases. Supporting patient privacy can enhance the scalability and efficiency of such processes; however, current practice mainly relies on policy, such as guidelines defined in the Health Insurance Portability and Accountability Act (HIPAA), which are insufficient for CRNs (e...
December 19, 2016: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28000305/parotidectomy-under-sedation-and-locoregional-anesthesia-with-monitoring-of-brain-activity
#19
Marco Antonio Scirea Tesseroli, Fabricio Battistela Zasso, Humberto Hepp, Antonio Vitor Martins Priante, André Luiz Loureiro de Mattos Filho, Alvaro Sanabria
BACKGROUND: Parotidectomy is usually performed while the patient is under general anesthesia, however, sedation with locoregional anesthesia could be an alternative. METHODS: Fifteen adult patients with parotid tumors of the superficial lobe were included in this study. Anesthetic procedure consisted of sedation associated with cervical plexus and auriculotemporal nerve block. Sedation was managed based on the bispectral index. RESULTS: Superficial parotidectomies were performed in 13 patients, and combined partial resections were performed in 2 patients...
December 21, 2016: Head & Neck
https://www.readbyqxmd.com/read/27999546/protocatechuic-aldehyde-attenuates-cisplatin-induced-acute-kidney-injury-by-suppressing-nox-mediated-oxidative-stress-and-renal-inflammation
#20
Li Gao, Wei-Feng Wu, Lei Dong, Gui-Ling Ren, Hai-Di Li, Qin Yang, Xiao-Feng Li, Tao Xu, Zeng Li, Bao-Ming Wu, Tao-Tao Ma, Cheng Huang, Yan Huang, Lei Zhang, Xiongwen Lv, Jun Li, Xiao-Ming Meng
Cisplatin is a classic chemotherapeutic agent widely used to treat different types of cancers including ovarian, head and neck, testicular and uterine cervical carcinomas. However, cisplatin induces acute kidney injury by directly triggering an excessive inflammatory response, oxidative stress, and programmed cell death of renal tubular epithelial cells, all of which lead to high mortality rates in patients. In this study, we examined the protective effect of protocatechuic aldehyde (PA) in vitro in cisplatin-treated tubular epithelial cells and in vivo in cisplatin nephropathy...
2016: Frontiers in Pharmacology
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