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https://www.readbyqxmd.com/read/29791862/hormone-dependent-breast-cancer-targeting-autophagy-and-pi3k-overcomes-exemestane-acquired-resistance
#1
Cristina Amaral, Tiago Vieira Augusto, Elisiário Tavares-da-Silva, Fernanda M F Roleira, Georgina Correia-da-Silva, Natércia Teixeira
The leading cause of cancer death in women around the world is breast cancer. The aromatase inhibitors (AIs) are considered a first-line treatment for estrogen receptor-positive (ER+ ) breast tumors, in postmenopausal women. Exemestane (Exe) is a powerful steroidal AI, however, despite its therapeutic success, Exe-acquired resistance may occur leading to tumor relapse. Our group previously demonstrated that autophagy acts as a pro-survival process in Exe-induced cell death of ER+ sensitive breast cancer cells...
May 20, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29791206/effect-of-ct-window-settings-on-size-measurements-of-the-solid-component-in-sub-solid-nodules-evaluation-of-prediction-efficacy-of-the-degree-of-pathological-malignancy-in-lung-adenocarcinoma
#2
Shi-Yuan Liu, Qiong Li, Ya-Feng Gu, Li Fan, Qing-Chu Li, Yi Xiao
To investigate the predictive value of size measurements of the solid components in pulmonary subsolid nodules with different CT window settings and to evaluate the degree of pathological malignancy in lung adenocarcinoma.  Methods: The preoperative chest CT images and pathological data of 125 patients were retrospectively evaluated. The analysis included 127 surgically resected lung adenocarcinomas that manifested as subsolid nodules. All subsolid nodules were divided into two groups: 69 in group A, including 22 adenocarcinomas in situ (AIS) and 47 minimally invasive adenocarcinomas (MIA); 58 in group B that included invasive pulmonary adenocarcinomas (IPA)...
May 23, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29790404/clinical-and-neurophysiological-changes-after-targeted-intrathecal-injections-of-bone-marrow-stem-cells-in-a-c3-tetraplegic-subject
#3
Andrea Jimena Santamaria, Francisco D Benavides, Darcy L DiFede, Aisha Khan, Marietsy V Pujol, W Dalton Dietrich, Antonio Marttos, Barth A Green, Joshua M Hare, James Guest
High-level quadriplegia is a devastating condition with limited treatment options. Bone marrow derived stem cells (BMSCs) are reported to have immunomodulatory and neurotrophic effects in spinal cord injury (SCI). We report a subject with complete C2 SCI who received 3 anatomically targeted intrathecal infusions of BMSCs under a single-patient expanded access IND. She underwent intensive physical therapy and was followed for over 2 years. At end-point, her AIS grade improved from A to B and she recovered focal pressure touch sensation over several body areas...
May 23, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29789895/diffusion-weighted-imaging-determinants-for-acute-ischemic-stroke-diagnosis-in-the-emergency-room
#4
Alejandro M Brunser, Gabriel Cavada, Paula Muñoz Venturelli, Verónica Olavarría, Alexis Rojo, Juan Almeida, Violeta Díaz, Arnold Hoppe, Pablo Lavados
PURPOSE: The aim of this study was to investigate the clinical-radiological determinants of diffusion-weighted image (DWI) abnormalities in patients with suspected acute ischemic stroke (AIS) seen at the emergency room (ER). METHODS: During the study period, 882 consecutive patients were screened at Clínica Alemana de Santiago, Chile; 786 had AIS and 711 (90.4%) were included. RESULTS: DWI demonstrated 87.3% sensitivity and 99.0% specificity, with a positive likelihood ratio of 79 and a negative likelihood ratio of 0...
May 22, 2018: Neuroradiology
https://www.readbyqxmd.com/read/29789782/natural-history-of-postoperative-adding-on-in-adolescent-idiopathic-scoliosis-what-are-the-risk-factors-for-progressive-adding-on
#5
Xiaodong Qin, Chao Xia, Leilei Xu, Fei Sheng, Huang Yan, Yong Qiu, Zezhang Zhu
Purpose: To investigate the natural history of distal adding-on in adolescent idiopathic scoliosis (AIS) and to identify risk factors for its progression. Methods: Sixty-one AIS patients with distal adding-on occurrence were included. We further classify distal adding-on into progressive and nonprogressive group according to its natural evolution. The first radiograph indicating initiation of adding-on (primary adding-on) and the last follow-up radiograph were compared in terms of the deviation of the first vertebra below instrumentation from the CSVL and the angulation of the first disc below instrumentation...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29789778/conscious-sedation-versus-general-anesthesia-for-patients-with-acute-ischemic-stroke-undergoing-endovascular-therapy-a-systematic-review-and-meta-analysis
#6
REVIEW
Ren Jing, Hui-Jun Dai, Fei Lin, Wan-Yun Ge, Ling-Hui Pan
The aim of this study is to compare the effect of conscious sedation (CS) with general anesthesia (GA) on clinical outcomes in patients with acute ischemic stroke (AIS) undergoing endovascular therapy (EVT). MEDLINE, EMBASE, and Cochrane Central Registers of Controlled Trials (from inception to July 2017) were searched for reports on CS and GA of AIS undergoing EVT. Two reviewers assessed the eligibility of the identified studies and extracted data. Data were analyzed using the fixed-effects model, and the sources of heterogeneity were explored by sensitive analysis...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29788697/natural-course-of-posttraumatic-symptoms-in-late-adolescent-maritime-disaster-survivors-results-of-a-12-month-follow-up-study
#7
Sang Won Jeon, Ho-Kyoung Yoon, Yong-Ku Kim, Changsu Han, Young-Hoon Ko, Seo Young Yoon, Cheolmin Shin
Objective: This study is a prospective observational study on 75 late-adolescent survivors of a large passenger ship accident from immediately after the accident to one year later. Methods: Assessments of student survivors were conducted on day 2 and at months 1, 6, and 12. The PTSD Checklist (PCL), Patient Health Questionnaire-9 (PHQ-9), State subscale of the State and Trait Anxiety Inventory (STAI-S), Athens Insomnia Scale (AIS), and Brief Resilience Scale (BRS) were administered...
May 24, 2018: Psychiatry Investigation
https://www.readbyqxmd.com/read/29787558/a-new-weighted-injury-severity-scoring-system-better-predictive-power-for-pediatric-trauma-mortality
#8
Junxin Shi, Jiabin Shen, Sarah Caupp, Angela Wang, Kathryn E Nuss, Brian Kenney, Krista K Wheeler, Bo Lu, Henry Xiang
BACKGROUND: An accurate injury severity measurement is essential for the evaluation of pediatric trauma care and outcome research. The traditional Injury Severity Score (ISS) does not consider the differential risks of the Abbreviated Injury Scale (AIS) from different body regions nor is it pediatric specific. The objective of this study was to develop a weighted injury severity scoring (wISS) system for pediatric blunt trauma patients with better predictive power than ISS. METHODS: Based on the association between mortality and AIS from each of the six ISS body regions, we generated different weights for the component AIS scores used in the calculation of ISS...
May 2, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29787544/a-clinical-prediction-model-for-raised-intracranial-pressure-in-patients-with-traumatic-brain-injuries
#9
J Pace, N Parry, K Vogt, R Hilsden, R Leeper, Z Markova, F Priestap, J Younan, I M Ball
BACKGROUND: Intracranial hypertension is believed to contribute to secondary brain insult in traumatically brain injured patients. Currently the diagnosis of intracranial hypertension requires intracranial monitoring or advanced imaging. Unfortunately, prehospital transport times can be prolonged, delaying time to the initial radiographic assessment. The aim of this study was to identify clinical variables associated with raised intracranial pressure (ICP) prior to the completion of neuroimaging...
April 30, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29786465/trunk-stability-enabled-by-non-invasive-spinal-electrical-stimulation-after-spinal-cord-injury
#10
Mrinal Rath, Albert H Vette, Shyamsundar Ramasubramaniam, Kun Li, Joel Burdick, Victor Reggie Edgerton, Yury Gerasimenko, Dimitry Sayenko
Electrical neuromodulation of spinal networks improves the control of movement of the paralyzed limbs after spinal cord injury (SCI). However, the potential of non-invasive spinal stimulation to facilitate postural trunk control during sitting in humans with SCI has not been investigated. We hypothesized that transcutaneous electrical stimulation of the lumbosacral enlargement can improve trunk posture. Eight participants with non-progressive SCI, C3-T9, AIS A or C, performed different motor tasks during sitting...
May 22, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29785970/phenotypic-and-molecular-characteristics-of-androgen-insensitivity-syndrome-patients
#11
Shi-Min Yuan, Ya-Nan Zhang, Juan Du, Wen Li, Chao-Feng Tu, Lan-Lan Meng, Ge Lin, Guang-Xiu Lu, Yue-Qiu Tan
Androgen insensitivity syndrome (AIS), an X-linked recessive genetic disorder of sex development, is caused by mutations in the androgen receptor (AR) gene, and is characterized by partial or complete inability of specific tissues to respond to androgens in individuals with the 46,XY karyotype. This study aimed to investigate AR gene mutations and to characterize genotype-phenotype correlations. Ten patients from unrelated families, aged 2-31 years, were recruited in the study. Based on karyotype, altered hormone profile, and clinical manifestations, nine patients were preliminarily diagnosed with complete AIS and one with partial AIS...
May 18, 2018: Asian Journal of Andrology
https://www.readbyqxmd.com/read/29785495/d-lactate-and-intestinal-fatty-acid-binding-protein-are-elevated-in-serum-in-patients-with-acute-ischemic-stroke
#12
Carlos R Camara-Lemarroy, Nicolás Escobedo-Zúñiga, Francisco J Guzmán-de la Garza, Jorge Castro-Garza, Javier Vargas-Villarreal, Fernando Góngora-Rivera
Experimental studies suggest that the intestinal barrier is affected in ischemic stroke. D-Lactate and intestinal fatty acid-binding protein (IFABP) are markers of intestinal mucosa integrity and barrier function. Our purpose was to evaluate the serum concentrations of these markers in patients with acute ischemic stroke (AIS). We included patients with AIS and used healthy subjects as controls. Clinical, demographic and outcome measures were recorded. Blood was drawn within 24 h of symptom onset. Serum concentrations of D-Lactate and IFABP were determined using commercially available colorimetric and ELISA kits, respectively...
May 21, 2018: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/29783658/quorum-sensing-versus-quenching-bacterial-isolates-obtained-from-mbr-plants-treating-leachates-from-municipal-solid-waste
#13
Albert Soler, Lucía Arregui, Miguel Arroyo, José Antonio Mendoza, Andrea Muras, Cristina Álvarez, Cristina García-Vera, Domingo Marquina, Antonio Santos, Susana Serrano
Quorum sensing (QS) is a mechanism dependent on bacterial density. This coordinated process is mediated by the synthesis and the secretion of signal molecules, called autoinducers (AIs). N -acyl-homoserine lactones (AHLs) are the most common AIs that are used by Gram-negative bacteria and are involved in biofilm formation. Quorum Quenching (QQ) is the interference of QS by producing hydrolyzing enzymes, among other strategies. The main objective of the present study was to identify QS and QQ strains from MBR wastewater treatment plants...
May 18, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29783185/impact-of-body-mass-index-on-the-efficacy-of-endocrine-therapy-in-patients-with-metastatic-breast-cancer-a-retrospective-two-center-cohort-study
#14
Luwam Zewenghiel, Henrik Lindman, Antonis Valachis
BAKGROUND: The aim of this study was to investigate the impact of body mass index (BMI) on the efficacy of endocrine therapy in postmenopausal women with metastatic hormone receptor breast cancer (HR+BC) as well as to identify if the potential difference in efficacy was associated with Fulvestrant only or both aromatase inhibitors (AIs) and Fulvestrant. METHODS: A consecutive cohort of postmenopausal women with HR+metastatic breast cancer that have received endocrine therapy including Fulvestrant as a metastatic treatment strategy at the Departments of Oncology in Eskilstuna and Uppsala, Sweden, between 2008 and 2016 were identified...
May 18, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29782482/trauma-patients-are-safe-to-fly-72-hours-after-tube-thoracostomy-removal
#15
David Zonies, Joel Elterman, Christopher Burns, Vincent Paul, John Oh, Jeremy Cannon
BACKGROUND: Current recommendations for safe air travel following traumatic pneumothorax are 2-3 weeks after radiographic resolution. These recommendations are based on several small observational studies and expert consensus which cite a theoretical risk of recurrence and hypoxia due to decreased oxygen tension at altitude. We sought to systematically study the timing of chest drain removal after traumatic pneumothorax and risk of recurrence in relation to air travel. METHODS: A retrospective cohort study of consecutively admitted patients who sustained a traumatic chest injury treated with tube thoracostomy over a 5-year period was undertaken...
May 18, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29781326/progression-free-survival-with-endocrine-based-therapies-following-progression-on-non-steroidal-aromatase-inhibitor-among-postmenopausal-women-with-hr-her2-metastatic-breast-cancer-a-network-meta-analysis
#16
Rajeev Ayyagari, Derek Tang, Oscar Patterson-Lomba, Zhou Zhou, Jipan Xie, David Chandiwana, Anand A Dalal, Polly Ann Niravath
OBJECTIVE: To quantify the comparative efficacy of currently available endocrine-based therapies (ETs) for postmenopausal women with HR+/HER2- mBC after NSAI progression. DESIGN: network meta-analysis (NMA) Methods: Randomized clinical trials of ETs for HR+/HER2- mBC were identified via a systematic literature review using Medline, EMBASE, Cochrane Library, and key conference proceedings. All trials met the following inclusion criteria: 1) included women with HR+/HER2- mBC, 2) previous treatment with ETs or chemotherapy as first-line therapy, 3) treatment with ET as monotherapy or in combination with targeted therapy, 4) PFS was reported, and 5) published in 2007 (when HER2 testing became standardized) or later...
May 21, 2018: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29780625/is-a-5-mm-diameter-an-appropriate-cut-off-value-for-the-diagnosis-of-atypical-adenomatous-hyperplasia-and-adenocarcinoma-in-situ-on-chest-computed-tomography-and-pathological-examination
#17
Xiaohuan Pan, Xinguan Yang, Jingxu Li, Xiao Dong, Jianxing He, Yubao Guan
Background: Preinvasive lesions, such as atypical adenomatous hyperplasia (AAH) and adenocarcinoma in situ (AIS), usually appear as pure ground-glass nodules (pGGNs) on thin-section computed tomography (TSCT). AAH is usually less than 5 mm wide on imaging and pathological examinations. We aimed to determine whether a 5-mm cut-off value was appropriate for the diagnosis of AAH and AIS. Methods: We retrospectively analyzed the performance of TSCT in evaluating 80 pathologically confirmed preinvasive lesions (33 AAH lesions in 31 patients and 47 AIS lesions in 45 patients)...
April 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29778315/the-risk-of-hemorrhagic-transformation-after-thrombolysis-for-acute-ischemic-stroke-in-chinese-versus-north-americans-a-comparative-study
#18
Xiaomeng Xu, Deren Wang, Fang Wang, Casey Norton, Xinfeng Liu, Magdy Selim
BACKGROUND: There is a widespread belief that Asians are more susceptible to hemorrhagic transformation (HT) after receiving recombinant tissue-type plasminogen activator (rt-PA) for acute ischemic stroke (AIS). However, this has not been examined in clinical practice. This study aims to compare the incidence of symptomatic hemorrhagic transformation (SHT) among thrombolysis-treated AIS patients in China and in the United States. METHODS: We compared 212 consecutive patients receiving thrombolysis within 4...
May 16, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29774412/hybrid-constructs-pedicle-screw-with-apical-sublaminar-bands-versus-pedicle-screws-only-for-surgical-correction-of-adolescent-idiopathic-scoliosis
#19
Matteo Palmisani, Eugenio Dema, Stefano Cervellati, Rosa Palmisani
PURPOSE: To compare the 2-year minimum postoperative results of posterior correction and spinal arthrodesis using translational correction with hybrid (sublaminar bands on concave side and pedicle screw) constructs versus correction with intermediate density pedicle screw-only constructs in the treatment of AIS (Lenke 1). METHODS: A total of 37 patients with AIS at single institutions who underwent posterior spinal arthrodesis pedicle screw with sublaminar bands at the apex (19 patients) (Group A) or pedicle screw-only (18) constructs (Group B) were selected and matched according to similar age at surgery 13...
May 17, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29773335/corrigendum-to-in-reply-to-defining-the-pros-and-cons-of-ais-surgery-bringing-truth-to-the-neurosurgery-community-and-the-public-world-neurosurgery-113-2018-395
#20
Seung-Jae Hyun, Sanghyun Han, Yongjung J Kim
No abstract text is available yet for this article.
May 14, 2018: World Neurosurgery
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