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https://www.readbyqxmd.com/read/28209178/tumor-initiating-cells-a-critical-review-of-isolation-approaches-and-new-challenges-in-targeting-strategies
#1
REVIEW
Komal Qureshi-Baig, Pit Ullmann, Serge Haan, Elisabeth Letellier
Most cancers contain a subpopulation of highly tumorigenic cells, known as cancer stem cells (CSCs) or tumor-initiating cells (TICs). Targeting TICs may be essential to achieve cure, because of their self-renewal and tumorigenic properties as well as their resistance to conventional therapies. Despite significant advances in TIC biology, their isolation and identification remain largely disputed and incompletely established. In this review, we discuss the latest developments in isolation and culturing approaches of TICs, with focus on colorectal cancer (CRC)...
February 16, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28202705/moderators-and-predictors-of-response-to-behavior-therapy-for-tics-in-tourette-syndrome
#2
Denis G Sukhodolsky, Douglas W Woods, John Piacentini, Sabine Wilhelm, Alan L Peterson, Lily Katsovich, James Dziura, John T Walkup, Lawrence Scahill
OBJECTIVE: To examine moderators and predictors of response to behavior therapy for tics in children and adults with Tourette syndrome and chronic tic disorders. METHODS: Data from 2 10-week, multisite studies (1 in children and 1 in adults; total n = 248) comparing comprehensive behavioral intervention for tics (CBIT) to psychoeducation and supportive therapy (PST) were combined for moderator analyses. Participants (177 male, 71 female) had a mean age of 21.5 ± 13...
February 15, 2017: Neurology
https://www.readbyqxmd.com/read/28193239/buformin-inhibits-the-stemness-of-erbb-2-overexpressing-breast-cancer-cells-and-premalignant-mammary-tissues-of-mmtv-erbb-2-transgenic-mice
#3
Amanda B Parris, Qingxia Zhao, Erin W Howard, Ming Zhao, Zhikun Ma, Xiaohe Yang
BACKGROUND: Metformin, an FDA-approved drug for the treatment of Type II diabetes, has emerged as a promising anti-cancer agent. Other biguanide analogs, including buformin and phenformin, are suggested to have similar properties. Although buformin was shown to reduce mammary tumor burden in carcinogen models, the anti-cancer effects of buformin on different breast cancer subtypes and the underlying mechanisms remain unclear. Therefore, we aimed to investigate the effects of buformin on erbB-2-overexpressing breast cancer with in vitro and in vivo models...
February 13, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28193110/pontine-tegmental-cap-dysplasia-in-an-extremely-preterm-infant-and-review-of-the-literature
#4
Sylvie Picker-Minh, Sebastian Hartenstein, Hans Proquitté, Sebastian Fröhler, Vera Raile, Nadine Kraemer, Sarah Apeshiotis, Michael Leipoldt, Karim D Kalache, Deborah Morris-Rosendahl, Eugen Boltshauser, Wei Chen, Angela M Kaindl
Pontine tegmental cap dysplasia is a rare hindbrain malformation syndrome with a hypoplastic pons, a tissue protrusion into the fourth ventricle, and cranial nerve dysfunction. We here report clinical, imaging, and genetic findings of the first extremely low-birth-weight preterm infant with pontine tegmental cap dysplasia born at 25 weeks of gestation and provide an overview of 29 sporadic cases. A prenatally diagnosed hypoplastic and rostrally shifted cerebellum was indicative of a hindbrain defect and later identified as an early sign of pontine tegmental cap dysplasia in our patient...
March 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28188632/tic-triggering-and-tearing-from-ctn-to-sunha
#5
R Benoliel, Y Sharav, Y Haviv, G Almoznino
PREMISE: Classical trigeminal neuralgia (CTN) and the short-lasting unilateral neuralgiform headache attacks (SUNHA) are clinically similar. PROBLEM: The SUNHAs include short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing (SUNCT) and short-lasting unilateral neuralgiform headache attacks with cranial autonomic symptoms (SUNA). Shared clinical signs with CTN include severe, unilateral trigeminal pain that is often triggered by innocuous stimuli and accompanied by a dull persistent background pain...
February 11, 2017: Headache
https://www.readbyqxmd.com/read/28183397/impact-of-anxiety-and-or-depressive-disorders-and-chronic-somatic-diseases-on-disability-and-work-impairment
#6
Wicher A Bokma, Neeltje M Batelaan, Anton J L M van Balkom, Brenda W J H Penninx
OBJECTIVE: Anxiety and/or Depressive Disorders (ADDs) and Chronic Somatic Diseases (CSDs) are associated with substantial levels of health-related disability and work impairment. However, it is unclear whether comorbid ADDs and CSDs additively affect functional outcomes. This paper examines the impact of ADDs, CSDs, and their comorbidity on disability, work absenteeism and presenteeism. METHODS: Baseline data from the Netherlands Study of Depression and Anxiety (n=2371) were used...
March 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28183072/alternative-therapies-for-excoriation-skin-picking-disorder-a-brief-update
#7
Julio Torales, Iván Barrios, Jorge Villalba
Context • Excoriation (skin picking) disorder is characterized by the need or urge to pick, scratch, pinch, touch, rub, scrub, squeeze, bite, or dig the skin, and it can be a perplexing condition for the inexperienced physician. Treatments include pharmacotherapy, psychotherapy, and alternative therapies. Alternative therapies for excoriation disorder and other body-focused repetitive behaviors include yoga, aerobic exercise, acupuncture, biofeedback, hypnosis, and inositol and N-acetylcysteine, among others...
January 2017: Advances in Mind-body Medicine
https://www.readbyqxmd.com/read/28168537/hyperkinetic-movement-disorder-emergencies
#8
REVIEW
Giovanni Cossu, Carlo Colosimo
A movement disorder emergency has been defined by Fahn and Frucht as "any neurological disorder evolving acutely or subacutely, in which the clinical presentation is dominated by a primary movement disorder, and in which failure to accurately diagnose and manage the patient may result in significant morbidity or even mortality." In this review, we discuss the most common situations in which hyperkinetic movement disorders, including chorea, ballism, dystonia, myoclonus, tics, as well as psychogenic disorders, can present as emergencies...
January 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28160520/explicit-optimization-of-plan-quality-measures-in-intensity-modulated-radiation-therapy-treatment-planning
#9
Lovisa Engberg, Anders Forsgren, Kjell Eriksson, Björn Hardemark
PURPOSE: To formulate convex planning objectives of treatment plan multicriteria optimization with explicit relationships to the dose-volume histogram (DVH) statistics used in plan quality eval-uation. METHODS: Conventional planning objectives are designed to minimize the violation of DVH statis-tics thresholds using penalty functions. Although successful in guiding the DVH curve towards these thresholds, conventional planning objectives offer limited control of the individual points on the DVH curve (doses-at-volume) used to evaluate plan quality...
February 4, 2017: Medical Physics
https://www.readbyqxmd.com/read/28160010/the-effect-of-sacral-neuromodulation-on-pregnancy-a-systematic-review
#10
Amr Mahran, Alex Soriano, Ahmed S Safwat, Adonis Hijaz, Sangeeta T Mahajan, Emanuel C Trabuco, Steven W Siegel, Sherif A El-Nashar
INTRODUCTION AND HYPOTHESIS: To evaluate the effects of sacral neuromodulation (SNM) on pregnancy and the impact of delivery on SNM function. METHODS: A systematic search was conducted through January 2016. We selected studies including women who had SNM and a subsequent pregnancy. RESULTS: Out of 2,316, eight studies were included, comprising 22 patients (26 pregnancies). SNM indications were Fowler's syndrome in 11, urinary retention in 6, fecal incontinence in 1, fecal and urinary urgency in 1, overactive bladder in 1, intractable interstitial cystitis in 1, and myelodysplasia in 1...
February 3, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28158167/the-rare-painful-phenomena-chronic-paroxysmal-hemicrania-tic-syndrome-as-a-clinically-isolated-syndrome-of-the-central-nervous-system
#11
Srdjan Ljubisavljevic, Ana Prazic, Miodrag Lazarevic, Dragan Stojanov, Dejan Savic, Slobadan Vojinovic
The association of paroxysmal hemicrania with trigeminal neuralgia (TN) has been described and called paroxysmal hemicrania-tic syndrome (PH-tic). We report the case of a patient diagnosed as having chronic PH-tic (CPH-tic) syndrome as a clinically isolated syndrome of the central nervous system (CNS) (CIS).A forty year old woman was admitted to our hospital suffering from right facial pain for the last 2 years. The attacks were paroxysmal, neuralgiform, consisting of throb-like sensations, which developed spontaneously or were triggered by different stimuli in right facial (maxilar and mandibular) areas...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28157934/surface-roughness-and-morphology-evolution-of-optical-glass-with-micro-cracks-during-chemical-etching
#12
Huapan Xiao, Hairong Wang, Guanglong Fu, Zhi Chen
Chemical etching is usually utilized to measure, reduce, and remove the subsurface micro-cracks in optical components, which makes it significant to study the surface evolution of optical components during the etching process. Etching experiments were carried out for glass with artificial cracks and micro-cracks under different etching conditions. The etching rate was obtained, which is linear with the hydrofluoric acid (HF) concentration and greatly affected by etching temperature. By measuring the surface roughness (SR) and morphology of glasses after etching, it is found that the crack width always increases with etching time, while the crack depth remains unchanged after the crack is completely exposed...
January 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28154539/temporal-association-of-certain-neuropsychiatric-disorders-following-vaccination-of-children-and-adolescents-a-pilot-case-control-study
#13
Douglas L Leslie, Robert A Kobre, Brian J Richmand, Selin Aktan Guloksuz, James F Leckman
BACKGROUND: Although the association of the measles, mumps, and rubella vaccine with autism spectrum disorder has been convincingly disproven, the onset of certain brain-related autoimmune and inflammatory disorders has been found to be temporally associated with the antecedent administration of various vaccines. This study examines whether antecedent vaccinations are associated with increased incidence of obsessive-compulsive disorder (OCD), anorexia nervosa (AN), anxiety disorder, chronic tic disorder, attention deficit hyperactivity disorder, major depressive disorder, and bipolar disorder in a national sample of privately insured children...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28152638/are-vasopressors-useful-in-toxin-induced-cardiogenic-shock
#14
Cassandra A Skoog, Kristin M Engebretsen
OBJECTIVE: Overdoses with cardio-depressive medications can result in toxin-induced cardiogenic shock (TICS), a life-threatening condition characterized by severe hypotension and ineffective tissue perfusion. Vasopressors are often employed in the treatment of shock to increase heart rate and blood pressure. We sought to conduct a systematic review of the literature to evaluate the effectiveness of vasopressors in improving hemodynamic function and survival in the treatment of TICS. DATA SOURCES: We searched PubMed, EMBASE, TOXLINE, and International Pharmaceutical Abstracts...
February 3, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28151703/the-child-behavior-checklist-obsessive-compulsive-subscale-detects-severe-psychopathology-and-behavioral-problems-among-school-aged-children
#15
Laura O Saad, Maria C do Rosario, Raony C Cesar, Marcelo C Bastituzzo, Marcelo Q Hoexter, Gisele G Manfro, Roseli G Shavitt, James F Leckman, Eurípedes C Miguel, Pedro G Alvarenga
OBJECTIVE: The aims of this study were (1) to assess obsessive-compulsive symptoms (OCS) dimensionally in a school-aged community sample and to correlate them with clinical and demographical variables; (2) to determine a subgroup with significant OCS ("at-risk for OCD") using the Child Behavior Checklist (CBCL-OCS) and (3) to compare it with the rest of the sample; (4) To review the CBCL-OCS subscale properties as a screening tool for pediatric OCD. METHODS: Data from the Brazilian High Risk Cohort were analyzed...
February 2, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28150698/gilles-de-la-tourette-syndrome
#16
REVIEW
Mary M Robertson, Valsamma Eapen, Harvey S Singer, Davide Martino, Jeremiah M Scharf, Peristera Paschou, Veit Roessner, Douglas W Woods, Marwan Hariz, Carol A Mathews, Rudi Črnčec, James F Leckman
Gilles de la Tourette syndrome (GTS) is a childhood-onset neurodevelopmental disorder that is characterized by several motor and phonic tics. Tics usually develop before 10 years of age, exhibit a waxing and waning course and typically improve with increasing age. A prevalence of approximately 1% is estimated in children and adolescents. The condition can result in considerable social stigma and poor quality of life, especially when tics are severe (for example, with coprolalia (swearing tics) and self-injurious behaviours) or when GTS is accompanied by attention-deficit/hyperactivity disorder, obsessive-compulsive disorder or another neuropsychiatric disorder...
February 2, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28143772/stearoyl-coa-desaturase-promotes-liver-fibrosis-and-tumor-development-in-mice-via-wnt-signaling-and-stabilization-of-low-density-lipoprotein-receptor-related-proteins-5-and-6
#17
Keane K Y Lai, Soo-Mi Kweon, Feng Chi, Edward Hwang, Yasuaki Kabe, Reiichi Higashiyama, Lan Qin, Rui Yan, Raymond P Wu, Naoaki Fujii, Samuel French, Jun Xu, Jian-Ying Wang, Ramanchadran Murali, Lopa Mishra, Ju-Seog Lee, James M Ntambi, Hidekazu Tsukamoto
BACKGROUND & AIMS: Stearoyl-CoA desaturase (SCD) synthesizes monounsaturated fatty acids (MUFAs) and has been associated with development of metabolic syndrome, tumorigenesis, and stem cell characteristics. We investigated whether and how SCD promotes liver fibrosis and tumor development in mice. METHODS: Rodent primary hepatic stellate cells (HSCs), mouse liver tumor-initiating stem cell-like cells (TICs), and human hepatocellular carcinoma (HCC) cell lines were exposed to Wnt signaling inhibitors and changes in gene expression patterns were analyzed...
January 28, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28139361/is-intraoperative-touch-imprint-cytology-indicated-in-the-surgical-treatment-of-early-breast-cancers
#18
Z Horváth, A Paszt, Z Simonka, M Látos, V Oláh, D Nagyszegi, L Kaizer, Z Fejes, S Hamar, E Csörgő, K Ormándi, M Lázár, G Lázár
INTRODUCTION: Intraoperative touch imprint cytology (TIC) of the sentinel lymph node(s) (SLN(s)) in the treatment of breast cancer has significantly reduced the number of axillary block dissections (ABD) required during second surgeries. Based on recent studies, ABD was not considered necessary if the presence of tumor cells/micrometastasis was confirmed in the SLN(s) or in the case of macrometastases in a patient group meeting the inclusion criteria for the ACOSOG Z0011 study. Our aim was to determine the sensitivity and usefulness of TIC with regard to these results...
January 18, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28132042/-reasons-and-consequences-of-somatoform-disorders-in-children-and-adolescents
#19
M Khundadze, N Geladze, R Mkheidze, N Khachapuridze, S Bakhtadze
The aim of our study was to find the reason of various forms of somatoform disorders (phobias, behavioral disorders, insomnia, tics, stuttering, enuresis, encopresis) in children and adolescents of various social status for diagnosis and treatment. We have examined 202 patients who referred to our clinic from 2012-2016. The age range was 2-18 years. After examination we have concluded the following recommendations: - to implement neuropsychological rehabilitation in order to stimulate mental development; - to work with speech therapist to improvement the speech; - to work individually with psychotherapist to improve the behavior; - to train the parent to manage the behavior at home; - to give the personal card containing information about exercises, games and puzzles to stimulate the development and in some cases to give individual educational program; - to give separate information to parents and in some cases to teachers of kindergartens and schools...
December 2016: Georgian Medical News
https://www.readbyqxmd.com/read/28121259/neurobiology-of-the-premonitory-urge-in-tourette-s-syndrome-pathophysiology-and-treatment-implications
#20
Andrea E Cavanna, Kevin J Black, Mark Hallett, Valerie Voon
Motor and vocal tics are relatively common motor manifestations identified as the core features of Tourette's syndrome (TS). Although traditional descriptions have focused on objective phenomenological observations, such as anatomical location, number and frequency of tics, patients' first-person accounts have consistently reported characteristic subjective correlates. These sensory phenomena are often described as a feeling of mounting inner tension or urge to move ("premonitory urge"), which is transiently relieved by tic expression...
January 25, 2017: Journal of Neuropsychiatry and Clinical Neurosciences
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