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https://www.readbyqxmd.com/read/28446006/trending-speculations-of-tumor-initiating-cells-in-squamous-cell-cancers-of-head-and-neck
#1
REVIEW
Wasim Kamate, Rajendra Baad, Nupura Vibhute, Uzma Belgaumi, Vidya Kadashetti, Sushma Gugwad
Tumor-initiating cells are a diminutive subpopulation of stem cells that have ability of long term self-renewal and generation of varied traits of tumor cell population. Understanding the concept of tumor-initiating cells may have a great implicative intimation for our comprehension of cancer pathobiology and for the delineation of new therapies directed towards these stem cells. The present review is an endeavor to conceptualize the role of tumor-initiating cells in the Squamous Cell Cancers (SCC) of head and neck, their role in tumorigenesis and the possible supplementary approach in the latest treatment modalities...
April 30, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28446004/conditioned-medium-derived-from-salidroside-pretreated-mesenchymal-stem-cell-culture-ameliorates-mouse-lipopolysaccharide-induced-cerebral-neuroinflammation-histological-and-immunohistochemical-study
#2
Zeinab M El Maadawi
Background and Objectives: Neuroinflammation is involved in the pathogenesis of neurodegenerative disorders. Conditioned medium (CM) derived from bone marrow mesenchymal stem cells (MSCs) revealed substantial benefits due to its rich content of trophic factors. Salidroside (Sal), extracted from Rhodiola rosea, is known for its anti-inflammatory and neuroprotective effects. This study was designed to investigate the effect of Sal pretreated CM (CM-Sal) derived from bone marrow MSCs in lipopolysaccharide (LPS) induced neuroinflammation...
April 30, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28445862/treatments-of-traumatic-neuropathic-pain-a-systematic-review
#3
Chenglun Yao, Xijie Zhou, Bin Zhao, Chao Sun, Keshav Poonit, Hede Yan
Traumatic neuropathic pain caused by traumatic neuroma has long been bothering both doctors and patients, the mechanisms of traumatic neuropathic pain are widely discussed by researchers and the treatment is challenging. Clinical treatment of painful neuroma is unclear. Numerous treatment modalities have been introduced by experts in this field. However, there is still no single standard recognized treatment.Different forms of treatments have been tested in animals and humans, but pharmacotherapies (antidepressants, antiepileptics) remain the basis of traumatic neuropathic pain management...
April 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445795/a-novel-approach-to-calculating-small-intestine-length-based-on-magnetic-resonance-enterography
#4
Nicole A Wilson, Hyung-Soon Park, Kyoung Soub Lee, Lauren K Barron, Brad W Warner
BACKGROUND: Bowel length is an important factor in the management of patients with intestinal failure and short bowel syndrome (SBS). However, it is difficult to accurately measure the length of the small intestine. Our purpose was to demonstrate the feasibility of a dedicated software algorithm for calculating small intestine length based on magnetic resonance enterography (MRE) images. STUDY DESIGN: A custom algorithm for image thresholding, wall-identification, segmentation, and path extraction was designed and implemented...
April 23, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28445774/voxresnet-deep-voxelwise-residual-networks-for-brain-segmentation-from-3d-mr-images
#5
REVIEW
Hao Chen, Qi Dou, Lequan Yu, Jing Qin, Pheng-Ann Heng
Segmentation of key brain tissues from 3D medical images is of great significance for brain disease diagnosis, progression assessment and monitoring of neurologic conditions. While manual segmentation is time-consuming, laborious, and subjective, automated segmentation is quite challenging due to the complicated anatomical environment of brain and the large variations of brain tissues. We propose a novel voxelwise residual network (VoxResNet) with a set of effective training schemes to cope with this challenging problem...
April 23, 2017: NeuroImage
https://www.readbyqxmd.com/read/28445703/sensitivity-and-specificity-of-laser-scanning-in-vivo-confocal-microscopy-for-filamentous-fungal-keratitis-role-of-observer-experience
#6
Ahmad Kheirkhah, Zeba A Syed, Vannarut Satitpitakul, Sunali Goyal, Rodrigo Müller, Elmer Y Tu, Reza Dana
PURPOSE: To determine sensitivity and specificity of laser-scanning in vivo confocal microscopy (LS-IVCM) for detection of filamentous fungi in patients with microbial keratitis and to evaluate the effect of observer's imaging experience on these parameters. DESIGN: Retrospective, reliability study METHODS: This study included 21 patients with filamentous fungal keratitis and 24 patients with bacterial keratitis (as controls). The etiology of infection was confirmed based on the response to specific therapy regardless of culture results...
April 23, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28445516/transplantation-of-induced-mesenchymal-stem-cells-for-treating-chronic-renal-insufficiency
#7
Xing-Hua Pan, Jing Zhou, Xiang Yao, Jun Shu, Ju-Fen Liu, Jian-Yong Yang, Rong-Qing Pang, Guang-Ping Ruan
Discovering a new cell transplantation approach for treating chronic renal insufficiency is a goal of many nephrologists. In vitro-cultured peripheral blood mononuclear cells (PBMCs) were reprogrammed into induced mesenchymal stem cells (iMSCs) by using natural inducing agents made in our laboratory. The stem cell phenotype of the iMSCs was then identified. Unilateral ureteral obstruction (UUO) was used to create an animal model of chronic renal insufficiency characterized by renal interstitial fibrosis. The induced and non-induced PBMCs were transplanted, and the efficacy of iMSCs in treating chronic renal insufficiency was evaluated using a variety of methods...
2017: PloS One
https://www.readbyqxmd.com/read/28445298/barcelona-clinic-liver-cancer-stage-c-hepatocellular-carcinoma-a-novel-approach-to-subclassification-and-treatment
#8
Chung Hwan Jun, Jae Hyun Yoon, Eunae Cho, Sang Soo Shin, Sung Bum Cho, Hee Joon Kim, Chang Hwan Park, Hyun Soon Kim, Sung Kyu Choi, Jong Sun Rew
Barcelona clinic liver cancer-stage C (BCLC-C) encompasses a broad spectrum of tumor burdens, liver function statuses, patient prognoses, and treatment strategies. Currently, sorafenib is the only recommended treatment for patients with BCLC-C and outcomes remain suboptimal. The aims of this study were to assess the heterogeneity of BCLC-C hepatocellular carcinoma (HCC) cases, propose a novel subclassification for these cases, and suggest optimal treatment strategies other than sorafenib.We retrospectively analyzed 196 consecutive BCLC-C HCC patients who were diagnosed and treated between January 2008 and December 2015...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445290/efficacy-of-quadriceps-vastus-medialis-dry-needling-in-a-rehabilitation-protocol-after-surgical-reconstruction-of-complete-anterior-cruciate-ligament-rupture
#9
Jorge Velázquez-Saornil, Beatriz Ruíz-Ruíz, David Rodríguez-Sanz, Carlos Romero-Morales, Daniel López-López, Cesar Calvo-Lobo
BACKGROUND: Several new rehabilitation modalities have been proposed after anterior cruciate ligament (ACL) reconstruction. Among these, trigger point dry needling (TrP-DN) might be useful in the treatment of myofascial pain syndrome associated with ACL reconstruction to reduce pain intensity, increase knee flexion range and modify the mechanical properties of the quadriceps muscle during late-stage rehabilitation. To date, this is the first randomized clinical trial to support the use of TrP-DN in the early rehabilitation process after ACL reconstruction...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445287/prognostic-value-of-pretreatment-18f-fdg-pet-ct-for-nasopharyngeal-carcinoma-patients
#10
Yecai Huang, Mei Feng, Qiao He, Jun Yin, Peng Xu, Qinghua Jiang, Jinyi Lang
BACKGROUND: Nasopharyngeal carcinoma (NPC) is a special subtype of head and neck cancer (HNC). At present, there are no highly specific prognostic markers to aid in tumor grading and guide patient treatment modalities for NPC. The prognostic value of pretreatment F-fluorodeoxyglucose positron emission tomography-computed tomography (F-PET-CT) in NPC patients is controversial and no consensus exists as to its predictive capability. METHODS: To analyze the predictive efficacy of F-PET-CT imaging in NPC patients, data from MEDLINE, EMBASE, the Cochrane library, CBM, CNKI, and VIP (inception to July 2016) were accessed...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445267/different-clinical-presentations-of-choledochal-cyst-among-infants-and-older-children-a-10-year-retrospective-study
#11
Davoud Badebarin, Saeid Aslanabadi, Amir Teimouri-Dereshki, Masoud Jamshidi, Tuba Tarverdizadeh, Kaveh Shad, Kamyar Ghabili, Ghazal Khajir
Choledochal cyst is a rare and often benign congenital cystic dilation throughout the biliary tree. Due to the benign nature of choledochal cyst among early-diagnosed patients, the clinical assumption and diagnosis seem to be of utmost significance. Therefore, we sought to assess different clinical manifestations of choledochal cyst and relevant laboratory findings in infants and older children.Retrospectively, medical records of all patients with the diagnosis of choledochal cyst between 2005 and 2015 were reviewed...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445203/considerations-for-refractive-surgery-in-the-glaucoma-patient
#12
Meleha Ahmad, Isaac Chocron, Anurag Shrivastava
PURPOSE OF REVIEW: Given the popularity of keratorefractive surgery, and an aging populous of patients who have undergone these procedures, there is an increasing need for updated management protocols. This is particularly relevant for patients with chronic progressive diseases such as glaucoma, due to the variety of related diagnostic and management challenges inherent to these diseases. Here, we will review the current literature to provide an update on the management of patients with glaucoma who are undergoing, or have had laser ablative refractive surgery...
April 25, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28445190/cognitive-learning-and-its-future-in-urology-surgical-skills-teaching-and-assessment
#13
Somayeh B Shafiei, Ahmed A Hussein, Khurshid A Guru
PURPOSE OF REVIEW: The aim of this study is to provide an overview of the current status of novel cognitive training approaches in surgery and to investigate the potential role of cognitive training in surgical education. RECENT FINDINGS: Kinematics of end-effector trajectories, as well as cognitive state features of surgeon trainees and mentors have recently been studied as modalities to objectively evaluate the expertise level of trainees and to shorten the learning process...
April 25, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28445052/facile-preparation-of-drug-loaded-tristearin-encapsulated-superparamagnetic-iron-oxide-nanoparticles-using-coaxial-electrospray-processing
#14
Manoochehr Rasekh, Zeeshan Ahmad, Richard Barrie Michael Cross, Javier Hernández Gil, James D E T Wilton-Ely, Philip W Miller
Naturally occurring polymers are promising biocompatible materials that have many applications for emerging therapies, drug delivery systems and diagnostic agents. The handling and processing of such materials still constitutes a major challenge which can limit the full exploitation of their properties. This study explores an ambient environment processing technique: coaxial electrospray (CO-ES) to encapsulate genistein (an isoflavonoid and model drug), superparamagnetic iron oxide nanoparticles (SPIONs, 10-15 nm) and a fluorophore (BODIPY) into a layered (triglyceride tristearin shell) particulate system, with a view to constructing a theranostic agent...
April 26, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28444763/manganese-concentration-mapping-in-the-rat-brain-with-mri-pet-and-autoradiography
#15
Geoffrey J Topping, Andrew Yung, Paul Schaffer, Cornelia Hoehr, Rick Kornelsen, Piotr Kozlowski, Vesna Sossi
PURPOSE: Mn(2+) is used a contrast agent and marker for neuronal activity with magnetic resonance imaging (MRI) in rats and mice, but its accumulation is generally not assessed quantitatively. In this work, non-radioactive Mn and (52) Mn are injected simultaneously in rats, and imaged with MRI, positron emission tomography (PET) and autoradiography (AR). Mn distributions are compared between modalities, to assess the potential and limitations on quantification of Mn with MRI, and to investigate the potential of multimodal measurement of Mn accumulation...
April 26, 2017: Medical Physics
https://www.readbyqxmd.com/read/28444253/fear-of-falling-in-people-with-multiple-sclerosis-which-clinical-characteristics-are-important
#16
Hanan Khalil, Alham Al-Shorman, Khalid El-Salem, Nour Abdo, Alia A Alghwiri, Aseel Aburub, Sarah Shalabi, Firas Al-Mustafa
Background.: Fear of falling (FOF) is an important risk indicator for health related outcomes and quality of life in patients with multiple sclerosis (MS). However, factors associated with FOF in MS are not well investigated. Objectives.: This study was done to explore predictors of FOF in this population. Methods.: Seventy relapsing remitting patients with MS were evaluated. FOF was assessed using Fall Efficacy Scale-International (FES-I)...
April 21, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28444180/left-bundle-branch-block-from-cardiac-mechanics-to-clinical-and-diagnostic-challenges
#17
Elena Surkova, Luigi P Badano, Roberto Bellu, Patrizia Aruta, Federica Sambugaro, Gabriella Romeo, Federico Migliore, Denisa Muraru
Left bundle branch block (LBBB) results in an altered pattern of left ventricular (LV) activation and subsequent contraction, causing remarkable changes in LV mechanics, perfusion and workload and ultimately leading to pathologic cardiac remodelling. Clinical and diagnostic notions about the LBBB phenomenon had evolved from just an electrocardiographic pattern to a critically important finding affecting diagnostic and clinical management of many patients and adversely influencing their outcomes. Recent advances in imaging techniques significantly improved the assessment of patients with LBBB and provided additional insights into pathophysiological mechanisms of LV remodelling...
April 20, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28444150/optoacoustic-diagnostic-modality-from-idea-to-clinical-studies-with-highly-compact-laser-diode-based-systems
#18
Rinat O Esenaliev
No abstract text is available yet for this article.
September 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28444129/return-to-sport-following-stress-fractures-of-the-great-toe-sesamoids-a-systematic-review
#19
G A J Robertson, J S Goffin, A M Wood
Introduction: This review aims to provide information on return rates and times to sport following stress fractures of the great toe sesamoids (SFGTSs). Sources of data: A systematic search of CINAHAL, Cochrane, EMBASE, Google Scholar, Medline, PEDro, Scopus, SPORTDiscus and Web of Science was performed using the keywords 'stress', 'fractures', 'great', 'toe', 'sesamoid', 'athletes', 'sports', 'non-operative', 'conservative', 'operative' and 'return to sport'. Areas of agreement: Fourteen studies were included: three studies reported on the outcome of conservatively-managed SFGTSs; thirteen studies reported on the outcome of surgically-managed SFGTSs...
April 24, 2017: British Medical Bulletin
https://www.readbyqxmd.com/read/28444102/pet-mri-a-novel-hybrid-imaging-technique-major-clinical-indications-and-preliminary-experience-in-brazil
#20
Taise Vitor, Karine Minaif Martins, Tudor Mihai Ionescu, Marcelo Livorsi da Cunha, Ronaldo Hueb Baroni, Marcio Ricardo Taveira Garcia, Jairo Wagner, Guilherme de Carvalho Campos, Solange Amorim Nogueira, Elaine Gonçalves Guerra, Edson Amaro
In recent years, medical imaging with hybrid techniques has widely accepted and employed in clinical routine. PET/MRI offers significant advantages, including excellent contrast and resolution and reduced ionizing radiation, as compared to well-established PET/CT. Therefore, PET/MRI is a promising modality for oncologic imaging of some regions, such as brain, head and neck, liver and pelvis. This article set out to analyze clinical conditions that could benefit from PET/MRI imaging based on our caseload. The potential of PET/MRI to become the imaging modality of choice for assessment of neurologic and oncologic conditions associated with soft tissues is highlighted...
January 2017: Einstein
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