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https://www.readbyqxmd.com/read/29160835/vitamin-d-and-neurological-diseases-an-endocrine-view
#1
REVIEW
Carolina Di Somma, Elisabetta Scarano, Luigi Barrea, Volha V Zhukouskaya, Silvia Savastano, Chiara Mele, Massimo Scacchi, Gianluca Aimaretti, Annamaria Colao, Paolo Marzullo
Vitamin D system comprises hormone precursors, active metabolites, carriers, enzymes, and receptors involved in genomic and non-genomic effects. In addition to classical bone-related effects, this system has also been shown to activate multiple molecular mediators and elicit many physiological functions. In vitro and in vivo studies have, in fact, increasingly focused on the "non-calcemic" actions of vitamin D, which are associated with the maintenance of glucose homeostasis, cardiovascular morbidity, autoimmunity, inflammation, and cancer...
November 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29160785/scleral-pits-in-choroideremia-implications-for-retinal-gene-therapy
#2
Abdullah A Al-Qahtani, Shakoor Ba-Ali, Talal Alabduljalil, Aaron S Coyner, Rachel C Patel, Richard G Weleber, Aniz Girach, Søren K Christensen, Michael Larsen, Mark E Pennesi, Paul Yang
PURPOSE: We report a novel finding on spectral domain optical coherence tomography in patients with choroideremia, which we describe as scleral pits (SCPs). METHODS: Cross-sectional observational case series of 36 patients with choroideremia, who underwent ophthalmic examination and multimodal imaging, including optical coherence tomography of the macula. Optical coherence tomography images were reviewed for SCP, which were defined as discrete tracts of hyporeflectivity that traverse the sclera with or without the involvement of Bruch membrane, retinal pigment epithelium, and retina...
November 16, 2017: Retina
https://www.readbyqxmd.com/read/29160545/benign-familial-fleck-retina-multimodal-imaging-including-optical-coherence-tomography-angiography
#3
Jose Mauricio Botto de Barros Garcia, David Leonardo Cruvinel Isaac, Tainara Sardeiro, Érika Aquino, Marcos Avila
This report presents multimodal imaging of a 27-year-old woman diagnosed with benign familial fleck retina (OMIM 228980), an uncommon disorder. Fundus photographs revealed retinal flecks that affected her post-equatorial retina but spared the macular area. Fundus autofluorescence and infrared imaging demonstrated a symmetrical pattern of yellow-white fleck lesions that affected both eyes. Her full-field electroretinogram and electrooculogram were normal. An optical coherence tomography B-scan was performed for both eyes, revealing increased thickness of the retinal pigmented epithelium leading to multiple small pigmented epithelium detachments...
September 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/29160060/phase-transition-nanoparticles-as-multimodality-contrast-agents-for-the-detection-of-thrombi-and-targeting-thrombolysis-in-vitro-and-in-vivo-experiments
#4
Jie Xu, Jun Zhou, Yixin Zhong, Yu Zhang, Jia Liu, Yuli Chen, Liming Deng, Danli Sheng, Zhigang Wang, Haitao Ran, Dajing Guo
Thrombotic disease is extremely harmful to human health, and early detection and treatment can improve the prognosis and reduce mortality. Multimodal molecular imaging can provide abundant information about thrombi, but to date, few studies have used multimodal and multifunctional nanoparticles (NPs) for thrombus detection and targeting thrombolysis. In this study, phase transition multimodal and multifunctional NPs (EWVDV-Fe-Ink-PFH NPs) were constructed for the first time using a three-step emulsification and carbodiimide method, and the physical and chemical properties of the NPs were investigated...
November 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29159061/eeg-coherence-related-to-fmri-resting-state-synchrony-in-long-term-abstinent-alcoholics
#5
Valerie A Cardenas, Mathew Price, George Fein
Recent work suggests that faulty co-activation or synchrony of multiple brain regions comprising "networks," or an imbalance between opposing brain networks, is important in alcoholism. Previous studies showed higher fMRI resting state synchrony (RSS) within the executive control (inhibitory control and emotion regulation) networks and lower RSS within the appetitive drive network in long-term (multi-year) abstinent alcoholics (LTAA) vs. non substance abusing controls (NSAC). Our goal was to identify EEG networks that are correlated with the appetitive drive and executive function networks identified with fMRI in our previous alcohol studies...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29159058/local-and-distant-relationships-between-amyloid-tau-and-neurodegeneration-in-alzheimer-s-disease
#6
Leonardo Iaccarino, Gautam Tammewar, Nagehan Ayakta, Suzanne L Baker, Alexandre Bejanin, Adam L Boxer, Maria Luisa Gorno-Tempini, Mustafa Janabi, Joel H Kramer, Andreas Lazaris, Samuel N Lockhart, Bruce L Miller, Zachary A Miller, James P O'Neil, Rik Ossenkoppele, Howard J Rosen, Daniel R Schonhaut, William J Jagust, Gil D Rabinovici
The relationships between β-amyloid (Aβ), tau and neurodegeneration within Alzheimer's Disease pathogenesis are not fully understood. To explore these associations in vivo, we evaluated 30 Aβ PET-positive patients (mean ± sd age 62.4 ± 8.3) with mild probable AD and 12 Aβ PET-negative healthy controls (HC) (mean ± sd age 77.3 ± 6.9) as comparison. All participants underwent 3 T MRI, (11)C-PiB (Aβ) PET and (18)F-AV1451 (tau) PET. Multimodal correlation analyses were run at both voxel- and region-of-interest levels...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29158836/a-laser-activated-biocompatible-theranostic-nanoagent-for-targeted-multimodal-imaging-and-photothermal-therapy
#7
Liming Deng, Xiaojun Cai, Danli Sheng, Yang Yang, Eric M Strohm, Zhigang Wang, Haitao Ran, Dong Wang, Yuanyi Zheng, Pan Li, Tingting Shang, Yi Ling, Fengjuan Wang, Yang Sun
Multifunctional nanoparticles have been reported for cancer detection and treatment currently. However, the accurate diagnosis and efficient treatment for tumors are still not satisfied. Here we report on the development of targeted phase change multimodal polymeric nanoparticles for the imaging and treatment of HER2-positive breast cancer. METHODS: We evaluated the multimodal imaging capabilities of the prepared nanoparticles in vitro using agar-based phantoms. The targeting performance and cytotoxicity of the nanoparticles were examined in cell culture using SKBR3 (over-expressing HER2) and MDA-MB-231 (HER2 negative) cells...
2017: Theranostics
https://www.readbyqxmd.com/read/29158812/enhanced-radiotherapy-using-bismuth-sulfide-nanoagents-combined-with-photo-thermal-treatment
#8
Xiaju Cheng, Yuan Yong, Yiheng Dai, Xin Song, Gang Yang, Yue Pan, Cuicui Ge
Nanotechniques that can improve the effectiveness of radiotherapy (RT) by integrating it with multimodal imaging are highly desirable. Results In this study, we fabricated Bi2S3 nanorods that have attractive features such as their ability to function as contrast agents for X-ray computed tomography (CT) and photoacoustic (PA) imaging as well as good biocompatibility. Both in vitro and in vivo studies confirmed that the Bi2S3 nanoagents could potentiate the lethal effects of radiation via amplifying the local radiation dose and enhancing the anti-tumor efficacy of RT by augmenting the photo-thermal effect...
2017: Theranostics
https://www.readbyqxmd.com/read/29157936/short-parietal-lobe-connections-of-the-human-and-monkey-brain
#9
Marco Catani, Naianna Robertsson, Ahmad Beyh, Vincent Huynh, Francisco de Santiago Requejo, Henrietta Howells, Rachel L C Barrett, Marco Aiello, Carlo Cavaliere, Tim B Dyrby, Kristine Krug, Maurice Ptito, Helen D'Arceuil, Stephanie J Forkel, Flavio Dell'Acqua
The parietal lobe has a unique place in the human brain. Anatomically, it is at the crossroad between the frontal, occipital, and temporal lobes, thus providing a middle ground for multimodal sensory integration. Functionally, it supports higher cognitive functions that are characteristic of the human species, such as mathematical cognition, semantic and pragmatic aspects of language, and abstract thinking. Despite its importance, a comprehensive comparison of human and simian intraparietal networks is missing...
November 2, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29157851/multimodal-advanced-imaging-for-concussion
#10
REVIEW
Khader M Hasan, Zafer Keser, Paul E Schulz, Elisabeth A Wilde
In the United States alone, 1.6 to 3.8 million people have sports-related concussions yearly. The patho-mechanisms of concussions may not be directly measured by conventional neuroimaging; advanced models may be needed to address the shortcomings of the current clinical protocols. Multimodal advanced imaging may provide more accurate diagnosis and predict the clinical course of concussion, assessing the efficacy of existing and emerging multifaceted therapies. In this article, the authors present an overview and pictorial display of conventional and advanced multimodal MR imaging methods that have been applied to identify the brain structures affected in traumatic brain injuries...
February 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/29157520/interventional-imaging-of-the-tricuspid-valve
#11
REVIEW
Francesco Ancona, Eustachio Agricola, Stefano Stella, Cristina Capogrosso, Claudia Marini, Alberto Margonato, Rebecca T Hahn
Nowadays, reasonable transcatheter tricuspid valve (TV) interventions are emerging as therapeutic options for functional tricuspid regurgitation (TR). The preprocedural planning is based on a multimodality imaging approach, which aims to (1) define the mechanisms of TR, (2) characterize TV morphology, (3) analyze the anatomic relationship between the TV apparatus and other structures, and (4) determine the size of the tricuspid annulus and vena cavae. Intraprocedural guidance is based mainly on transesophageal echocardiography (seldom transthoracic) and fluoroscopy, with the recent introduction of fusion imaging...
January 2018: Interventional cardiology clinics
https://www.readbyqxmd.com/read/29157263/ldl-receptor-blockade-reduces-mortality-in-a-mouse-model-of-ischaemic-stroke-without-improving-tissue-type-plasminogen-activator-induced-brain-haemorrhage-towards-pre-clinical-simulation-of-symptomatic-ich
#12
Be'eri Niego, Brad R S Broughton, Heidi Ho, Christopher G Sobey, Robert L Medcalf
BACKGROUND: Symptomatic intracerebral haemorrhage (sICH) following tissue-type plasminogen activator (rt-PA) administration is the most feared and lethal complication of thrombolytic therapy for ischaemic stroke, creating a significant obstacle for a broader uptake of this beneficial treatment. rt-PA also undermines cerebral vasculature stability in a multimodal process which involves engagement with LDL receptor-related protein 1 (LRP-1), potentially underlying the development of sICH...
November 21, 2017: Fluids and Barriers of the CNS
https://www.readbyqxmd.com/read/29157034/effects-of-single-dose-preemptive-pregabalin-and-intravenous-ibuprofen-on-postoperative-opioid-consumption-and-acute-pain-after-laparoscopic-cholecystectomy
#13
Omer Karaca, Huseyin U Pınar, Emin Turk, Rafi Dogan, Ali Ahiskalioglu, Sezen K Solak
PURPOSE: Non-opioid medications as a part of multimodal analgesia has been increasingly suggested in the management of acute post-surgical pain. The present study was planned to compare the efficacy of the combination of pregabalin plus ıv ibuprofen. METHODS: 58 patients were included in this prospective, randomized, double-blinded study. The pregabalin group (Group P, n = 29) received 150 mg pregabalin, the pregabalin plus ibuprofen group (Gropu PI, n = 29) received 150 mg pregabalin and 400mg ıv ibuprofen before surgery...
November 20, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29157025/non-pharmacological-rehabilitation-interventions-for-concussion-in-children-a-scoping-review
#14
Danielle M Dobney, Matthew B Miller, Emily Tufts
PURPOSE: To summarise the extent, nature, and quality of current scholarly literature related to non-pharmacological, rehabilitation interventions following concussion, or mild traumatic brain injury in children. METHODS: An electronic search was conducted from 1987 to 24 October 2017. Studies were included if they met the following criteria: (1) full text, peer reviewed, and written in English, (2) original research, (3) diagnosed concussion or mild traumatic brain injury, (4) described the evaluation of an intervention, (5) the outcome was a concussion impairment, and (6) the mean/median age was under 19...
November 20, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29156069/the-role-of-intraoperative-intermittent-pneumatic-compression-devices-in-venous-thromboembolism-prophylaxis-in-total-hip-and-total-knee-arthroplasty
#15
Vineet Tyagi, Paul Tomaszewski, Adam Lukasiewicz, Shahana Theriault, Richard Pelker
Venous thromboembolism (VTE) is a common complication after total hip arthroplasty (THA) and total knee arthroplasty (TKA), occurring in up to 85% of patients who are not treated with prophylaxis. The initiation of VTE development may occur intraoperatively. This study investigated whether this gap in VTE prophylaxis can be addressed by the use of intraoperative intermittent pneumatic compression devices (IPCDs) and if intraoperative IPCDs have a meaningful benefit in preventing symptomatic VTE. The authors defined symptomatic VTE as deep venous thrombosis in either lower extremity or a pulmonary embolism...
November 20, 2017: Orthopedics
https://www.readbyqxmd.com/read/29155778/a-detailed-protocol-for-physiological-parameters-acquisition-and-analysis-in-neurosurgical-critical-patients
#16
Xiang Wu, Guoyi Gao, Junfeng Feng, Qing Mao, Jiyao Jiang
Intracranial pressure (ICP) monitoring is now widely used in neurosurgical critical patients. Besides mean ICP value, the ICP derived parameters such as ICP waveform, amplitude of pulse (AMP), the correlation of ICP amplitude and ICP mean (RAP), pressure reactivity index (PRx), ICP and arterial blood pressure (ABP) wave amplitude correlation (IAAC), and so on, can reflect intracranial status, predict prognosis, and can also be used as guidance of proper treatment. However, most of the clinicians focus only on the mean ICP value while ignoring these parameters because of the limitations of the current devices...
October 17, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155698/bull-s-eye-maculopathy-with-mutations-in-rds-prph2-and-rom-1
#17
Juliet O Essilfie, Christian J Sanfilippo, David Sarraf
PURPOSE: To report a case of bull's eye maculopathy associated with mutations in RDS/PRPH2 and ROM-1 genes. METHODS: We present a case report of a patient with a characteristic maculopathy and describe the multimodal retinal imaging findings including spectral domain optical coherence tomography and fundus autofluorescence and full-field electrophysiology. The results of genetic testing are also reported. RESULTS: A 60-year-old woman presented with decreased vision and a remarkable bull's eye maculopathy with retinal examination...
November 16, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29155507/the-role-of-radiation-therapy-in-the-modern-management-of-oligometastatic-disease
#18
Yan Li, Suyu Tao, Mengru Li, Duojie Li
Multimodal treatment approaches are indispensable for patients with advanced-stage cancer, while radiation therapy has been established as essential part of therapeutic approaches and has been introduced as a better option to face challenges, such as, local relapse or oligometastatic disease. The mere insight of the concept of oligometastases, proposed for the first time in the middle 1990s, led to the hypothesis that this condition may be cured using local ablative weapons. This hypothesis has already been demonstrated by surgical ablative techniques...
July 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29155422/secretion-mediated-stat3-activation-promotes-self-renewal-of-glioma-stem-like-cells-during-hypoxia
#19
D A Almiron Bonnin, M C Havrda, M C Lee, H Liu, Z Zhang, L N Nguyen, L X Harrington, S Hassanpour, C Cheng, M A Israel
High-grade gliomas (HGGs) include the most common and the most aggressive primary brain tumor of adults and children. Despite multimodality treatment, most high-grade gliomas eventually recur and are ultimately incurable. Several studies suggest that the initiation, progression, and recurrence of gliomas are driven, at least partly, by cancer stem-like cells. A defining characteristic of these cancer stem-like cells is their capacity to self-renew. We have identified a hypoxia-induced pathway that utilizes the Hypoxia Inducible Factor 1α (HIF-1α) transcription factor and the JAK1/2-STAT3 (Janus Kinase 1/2 - Signal Transducer and Activator of Transcription 3) axis to enhance the self-renewal of glioma stem-like cells...
November 20, 2017: Oncogene
https://www.readbyqxmd.com/read/29155342/predictors-before-and-after-multimodal-rehabilitation-for-pain-acceptance-and-engagement-in-activities-at-a-one-year-follow-up-for-patients-with-whiplash-associated-disorders-wad-a-study-based-on-the-swedish-quality-registry-for-pain-rehabilitation-sqrp
#20
Anne Söderlund, Monika Löfgren, Britt-Marie Stålnacke
BACKGROUND: Studies have shown that pain acceptance strategies related to psychological flexibility are important in the presence of chronic musculoskeletal pain. However, the predictors of these strategies have not been studied extensively in patients with Whiplash Associated Disorders (WAD). PURPOSE: The purpose of this study was to predict chronic pain acceptance and engagement in activities at one-year follow-up with pain intensity, fear of movement, perceived responses from significant others, outcome expectancies, and demographic variables in patients with WAD before and after multimodal rehabilitation (MMR)...
November 16, 2017: Spine Journal: Official Journal of the North American Spine Society
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