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https://www.readbyqxmd.com/read/29228455/prognostic-significance-of-neoadjuvant-rectal-score-in-locally-advanced-rectal-cancer-after-neoadjuvant-chemoradiotherapy-and-construction-of-a-prediction-model
#1
Yanwu Sun, Yiyi Zhang, Xuejing Wu, Huiming Lin, Xingrong Lu, Ying Huang, Zongbin Xu, Shenghui Huang, Xiaojie Wang, Pan Chi
AIM: To evaluate the prognostic significance of neoadjuvant rectal (NAR) score after neoadjuvant chemoradiotherapy (nCRT) for locally advanced rectal cancer (LARC), and to develop a nomogram predicting disease-free survival (DFS). METHOD: A total of 522 LARC patients undergoing nCRT and surgery were included. NAR scores were calculated using the equation [5pN-3(cT-pT) + 12]^2/9.61, and classified as low (<8), intermediate (8-16), and high (>16). Clinicopathological and survival outcomes were compared...
December 11, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29228345/mechanisms-and-mediators-of-hypertension-induced-by-erythropoietin-and-related-molecules
#2
Rajiv Agarwal
Hypertension is a common but frequently overlooked adverse effect of erythropoietin (EPO) therapy. Underreporting of hypertension with EPO is likely due to either more aggressively managing hypertension through the prescription of antihypertensive drugs or closer attention to dry weight. The purpose and focus of this review is to critically evaluate the mechanisms of EPO-induced hypertension. Preclinical data are considered first, followed by clinical data where available. Mediated by a variety of molecules, there is an imbalance in the vascular tone favoring net vasoconstriction that mediates EPO-induced hypertension...
December 8, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29228217/p19arf-inhibits-aggressive-progression-of-h-ras-driven-hepatocellular-carcinoma
#3
Dragana Kopanja, Akshay Pandey, Shuo Huang, Mohamed Rizwan Haroon Al Raheed, Grace Guzman, Pradip Raychaudhuri
Arf, a well-established tumor suppressor, is either mutated or downregulated in a wide array of cancers. However, its role in hepatocellular carcinoma (HCC) progression is controversial. Conflicting observations have been published regarding its expression in HCC. In this study, we provide clear genetic evidence demonstrating a protective role of p19Arf in hepatocarcinogenesis. Using Ras-induced mouse model, we show that p19Arf deficiency accelerates progression of aggressive HCC in vivo. To investigate the role of p14ARF in human liver cancers, we analyzed its expression in human HCC using immunohistochemistry...
December 8, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29227959/cyberbullying-among-adults-with-intellectual-disabilities-some-preliminary-data
#4
Cristina Jenaro, Noelia Flores, Vanessa Vega, Maribel Cruz, Ma Carmen Pérez, Víctor A Torres
BACKGROUND: Recent studies show that youth with disabilities are at risk of experiencing cyberbullying. Nevertheless, the nature of this phenomenon among adults with intellectual disabilities has not been investigated. Therefore, the purpose of this study is to analyze the frequency and characteristics of cyberbullying and its correlates in individuals with intellectual disabilities attending training centers for adults with intellectual disabilities. METHODS AND PROCEDURES: A convenience sample of 269 participants (54...
December 8, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29227858/bilateral-ovarian-angiosarcoma-arising-from-the-mature-cystic-teratomas-a-case-report-and-review-of-the-literature
#5
Erik Kudela, Marcela Nachajova, Kamil Biringer, Pavol Slavik, Lukas Plank, Jan Danko
INTRODUCTION: Ovarian teratomas undergo the malignant transformation in 0.2-2% of cases. The behavior of malignancies in mature cystic teratomas (MCT) is determined by their phenotype and not their derivation from germ cells. We can recognize pure angiosarcomas or as a part of other tumors like malignant mixed Mullerian tumors and adenosarcomas. PRESENTATION OF CASE: We present the first case of bilateral ovarian angiosarcoma arising from the mature teratomas. Due to widespread disease, we performed limited surgical procedure consisting of bilateral adnexectomy and omentectomy...
December 7, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29227372/osteofibrous-dysplasia-of-the-tibia-in-children-outcome-without-resection
#6
Daniel Westacott, Peter Kannu, Jennifer Stimec, Sevan Hopyan, Andrew Howard
BACKGROUND: The proposed association between osteofibrous dysplasia and adamantinoma has led some to advocate resection of the entire lesion, which can require major subsequent reconstruction. However, this link remains unproven and there is some support in more recent literature for a less aggressive approach. This study aims to describe our experience managing pediatric tibial osteofibrous dysplasia with such an approach and to report functional outcomes in children treated thus. METHODS: A total of 28 cases of osteofibrous dysplasia in 25 patients were managed at a referral center for pediatric bone tumors with observation in the first instance, then limited surgical intervention if required to address pain and deformity...
December 8, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29227338/associations-between-early-family-meal-environment-quality-and-later-well-being-in-school-age-children
#7
Marie-Josée Harbec, Linda S Pagani
OBJECTIVE: Past research suggests a positive link between family meals and child and adolescent health. Although researchers have often relied on how often families eat together, this may not capture the complexity of the experience. Using a birth cohort, this study examines the prospective associations between the environmental quality of the family meal experience at age 6 years and child well-being at age 10. METHODS: Participants are 1492 children of the Quebec Longitudinal Study of Child Development...
December 5, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/29227296/lesch-nyhan-syndrome-and-its-variants-examining-the-behavioral-and-neurocognitive-phenotype
#8
James C Harris
PURPOSE OF REVIEW: Lesch-Nyhan Syndrome (LNS) is a metabolic disorder involving mutations in the HGPRT1 gene that result in hyperuricemia, intellectual disability, a dystonic movement disorder, and compulsive self-injury with self-mutilation. The aim of this review is to summarize recent research that documents the extended behavioral, neurologic, and neurocognitive phenotype in classic LNS, to describe milder variants of HGprt deficiency that do not self-injure and have less severe neurological and cognitive deficits, and to provide an update on treatment for associated psychiatric and behavioral disorders...
December 7, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/29227280/proapoptotic-puma-targets-stem-like-breast-cancer-cells-to-suppress-metastasis
#9
Qi Sun, Jacqueline Lesperance, Hiromi Wettersten, Elaine Luterstein, Yoko S DeRose, Alana Welm, David A Cheresh, Jay S Desgrosellier
Breast cancer cells with stem cell properties are key contributors to metastatic disease, and there remains a need to better understand and target these cells in human cancers. Here, we identified rare stem-like cells in patients' tumors characterized by low levels of the proapoptotic molecule p53-upregulated modulator of apoptosis (PUMA) and showed that these cells play a critical role in tumor progression that is independent of clinical subtype. A signaling axis consisting of the integrin αvβ3, Src kinase, and the transcription factor Slug suppresses PUMA in these cells, promoting tumor stemness...
December 11, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29227216/front-of-package-nutrition-references-are-positively-associated-with-food-processing
#10
Anthea Christoforou, Naomi Dachner, Rena Mendelson, Valerie Tarasuk
OBJECTIVE: Foods characterized by a high degree of processing are pervasive in the global food supply and concerns have been raised about their contribution to the escalating burden of diet-related disease. It has been suggested that the dominance of these products relates in part to their aggressive on-package marketing. The purpose of the present study was to assess the relationship between the extent and nature of front-of-package (FOP) nutrition references on products sold in Canadian supermarkets and the level of food processing...
January 2018: Public Health Nutrition
https://www.readbyqxmd.com/read/29227121/-what%C3%A2-s%C3%A2-new-in-ewing-like-sarcoma-family-soft-tissue-and-bone-sarcomas-with-cic-bcor-rearrangement-review-of-the-literature-and-first-personal-experience
#11
Zdeněk Kinkor, Petr Grossmann, Magdaléna Dubová, David Bludovský, Andrea Černá, Lenka Krsková, Petr Lhoták
The literature is reviewed regarding of a rare molecularly defined group of sarcomas with rearrangement of both CIC and BCOR genes, which were originally placed into the EWSR1wt Ewing-like category. Personal experience with three cases demonstrating difficulties of this issue is added. Both groups of lesions differ not only by age and topography, but also vary in both the prognostic and the predictive parameters. CIC-rearranged tumors are very aggressive and almost never occur in the skeleton; in contrary, the BCOR-rearranged ones are predominantly bone tumors in young males behaving even better than classical Ewing sarcoma...
2017: Ceskoslovenská Patologie
https://www.readbyqxmd.com/read/29226734/emerging-first-line-treatment-options-for-bladder-cancer-a-review-of-phase-ii-and-iii-therapies-in-the-pipeline
#12
Omer Jamy, Guru Sonpavde
The treatment of urothelial carcinoma (UC) had remained unchanged for several years until the recent FDA approval of immune checkpoint inhibitors (CPIs) in the salvage setting. Novel dual CPI-CPI and CPI-chemotherapy combinations are now being investigated aggressively as first line therapy for metastatic disease. Areas Covered: We discuss the recent insights into the tumor biology of UC, which may impact the prognosis as well as assist in developing precision medicine. This is followed by an overview of existing treatment including conventional chemotherapy as well as the trials that led to the recent approval of PD-1 and PD-L1 inhibitors...
December 10, 2017: Expert Opinion on Emerging Drugs
https://www.readbyqxmd.com/read/29226700/retrospective-correction-of-physiological-noise-impact-on-sensitivity-specificity-and-reproducibility-of-resting-state-functional-connectivity-in-a-reading-network-model
#13
Venkatagiri Krishnamurthy, Lisa C Krishnamurthy, Dina M Schwam, Ashley Ealey, Jaemin Shin, Daphne Greenberg, Robin D Morris
It is well accepted that physiological noise (PN) obscures the detection of neural fluctuations in resting-state functional connectivity (rsFC) MRI. However, a clear consensus for an optimal PN correction (PNC) methodology and how it can impact the rsFC signal characteristics is still lacking. In this study, we probe the impact of three PNC methods: RETROICOR: (Glover, et al. 2000), ANATICOR: (Jo, et al. 2010), and RVTMBPM: (Bianciardi, et al. 2009). Using a reading network model, we systematically explore the effects of PNC optimization on sensitivity, specificity, and reproducibility of rsFC signals...
December 10, 2017: Brain Connectivity
https://www.readbyqxmd.com/read/29226506/optimizing-hemodynamics-of-transcatheter-aortic-valve-in-valve-implantation-in-19-mm-surgical-aortic-prostheses
#14
Jayendrakumar S Patel, Amar Krishnaswamy, Jonathon White, Stephanie Mick, Jose Navia, Anand Mehta, Faisal Bakaeen, Zoran Popovic, Lars Svensson, Samir R Kapadia
OBJECTIVE: To demonstrate the feasibility of achieving good hemodynamic results with valve-in-valve transcatheter aortic valve replacement (ViV TAVR) for degenerated 19 mm surgical bioprosthetic valves. BACKGROUND: Considerable controversy exists regarding ViV TAVR within 19mm surgical prostheses due to concerns of elevated valve gradients and mortality. METHODS: Among all patient undergoing ViV TAVR between 7/2016 and 4/2017 for symptomatic severe bioprosthetic aortic stenosis (AS), five had a 19 mm surgical valve in place and were included in this publication...
December 11, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29226356/definition-of-aggressive-periodontitis-in-periodontal-research-a-systematic-review
#15
REVIEW
Valeria Ramírez, María Hach, Rodrigo López
Since its introduction in 1999, the term aggressive periodontitis has been the topic of many investigations. Articles supporting the International Workshop for a Classification of Periodontal Diseases list several disease features, but do not offer operational criteria for identifying cases. Consequently, considerable variation in the understanding of aggressive periodontitis can be anticipated. AIM: To systematically asses, the definitions of aggressive periodontitis reported in original periodontal research...
December 11, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29226346/a-multicomponent-approach-to-thinning-reinforcer-delivery-during-noncontingent-reinforcement-schedules
#16
Sarah K Slocum, Emma Grauerholz-Fisher, Kerri P Peters, Timothy R Vollmer
We evaluated a noncontingent reinforcement procedure that involved initially providing three subjects with signaled, continuous access to the functional reinforcer for aggression and slowly increasing the amount of time subjects were exposed to the signaled unavailability of the reinforcer. Additionally, alternative potential reinforcers were available throughout the sessions. Results showed immediate and substantial reductions in aggression for all three subjects. The clinical utility of this intervention is discussed, and future research directions are recommended...
December 11, 2017: Journal of Applied Behavior Analysis
https://www.readbyqxmd.com/read/29226333/p53-and-mir-210-regulated-neurod2-a-neuronal-basic-helix-loop-helix-transcription-factor-is-downregulated-in-glioblastoma-patients-and-functions-as-a-tumor-suppressor-under-hypoxic-microenvironment
#17
Rahul Agrawal, Ankita Garg, Prit Benny Malgulwar, Vikas Sharma, Chitra Sarkar, Ritu Kulshreshtha
The factors involved in cell differentiation have recently garnered interest for their role in inhibition of pathogenesis in various tumors. However, their role in glioblastoma (GBM) remains poorly understood. We analyzed the TCGA-GBM data and found significant downregulation of neurogenic differentiation factor NeuroD2 in GBM patients. Low levels of NeuroD2 were found to be correlated with poor overall survival of GBM patients in TCGA dataset as well as in our cohort. Interestingly, NeuroD2 was shown to be transcriptionally induced by p53 and post-transcriptionally targeted by hypoxia inducible miRNA, miR-210...
December 11, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29226326/retreg1-fam134b-a-new-player-in-human-diseases-15-years-after-the-discovery-in-cancer
#18
REVIEW
Farhadul Islam, Vinod Gopalan, Alfred King-Yin Lam
FAM134B (family with sequence similarity 134, member B) / RETREG1 and its functional roles are relatively new in human diseases. This review aimed to summarize various functions of FAM134B since our first discovery of the gene in 2001. The protein encoded by FAM134B is a reticulophagy receptor that regulates turnover of the endoplasmic reticulum (ER) by selective phagocytosis. Absence or non-functional expression of FAM134B protein impairs ER-turnover and thereby is involved in the pathogenesis of some human diseases...
December 11, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29226151/in-vitro-in-silico-study-on-the-role-of-doubling-time-heterogeneity-among-primary-glioblastoma-cell-lines
#19
M-E Oraiopoulou, E Tzamali, G Tzedakis, A Vakis, J Papamatheakis, V Sakkalis
The application of accurate cancer predictive algorithms validated with experimental data is a field concerning both basic researchers and clinicians, especially regarding a highly aggressive form of cancer, such as Glioblastoma. In an aim to enhance prediction accuracy in realistic patient-specific environments, accounting for both inter- and intratumoral heterogeneity, we use patient-derived Glioblastoma cells from different patients. We focus on cell proliferation using in vitro experiments to estimate cell doubling times and sizes for established primary Glioblastoma cell lines...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29226092/aggressive-surgical-management-of-adenocarcinoma-of-the-rete-testis
#20
Avinash Maganty, Anisleidy Fombona, Jathin Bandari, Timothy D Lyon, Scott Kulich, Jeffrey R Gingrich, Joel D Bigley, Tatum V Tarin
Adenocarcinoma of the rete testis is a rare and aggressive malignancy arising from the epididymal epithelium. We present a case of a 66-year-old male who presented with left testis mass. Histopathological analysis of orchiectomy specimen was consistent with adenocarcinoma of the rete testis. Subsequent retroperitoneal lymph node dissection revealed metastatic disease not detected on preoperative PET-CT. Prior reports have suggested poor response rates to both systemic chemotherapy and radiation therapy. Aggressive surgical management of the retroperitoneum should be considered even in clinically node-negative patients given the paucity of other effective treatment regimens...
January 2018: Urology Case Reports
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