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https://www.readbyqxmd.com/read/29116827/frontal-plane-variability-in-foot-orientation-during-fatiguing-running-exercise-in-individuals-with-chronic-ankle-instability
#1
Denise McGrath, Matthew Patterson, Ulrik McCarthy Persson, Brian Caulfield
CONTEXT:   Researchers have reported increased variability in frontal-plane movement at the ankle during jumping in individuals with chronic ankle instability (CAI), which may increase their risk of recurrent ankle sprain. It is not known if this behavior is present during running gait or how fatigue affects the amount of frontal-plane-movement variability in individuals with CAI. OBJECTIVE:   To investigate the amount of roll-angle variability at the foot during a fatiguing exercise protocol in participants with CAI...
November 8, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29092957/molecular-characterisation-of-metastatic-pancreatic-neuroendocrine-tumours-pnets-using-whole-genome-and-transcriptome-sequencing
#2
Hui-Li Wong, Kevin C Yang, Yaoqing Shen, Eric Y Zhao, Jonathan M Loree, Hagen F Kennecke, Steve E Kalloger, Joanna M Karasinska, Howard J Lim, Andrew J Mungall, Xiaolan Feng, Janine M Davies, Kasmintan Schrader, Chen Zhou, Aly Karsan, Steven Jm Jones, Janessa Laskin, Marco A Marra, David F Schaeffer, Sharon M Gorski, Daniel J Renouf
Pancreatic neuroendocrine tumours (PNETs) are a genomically and clinically heterogeneous group of pancreatic neoplasms often diagnosed with distant metastases. Recurrent somatic mutations, chromosomal aberrations and gene expression signatures in PNETs have been described, but the clinical significance of these molecular changes is still poorly understood, and the clinical outcomes of PNET patients remain highly variable. To help identify the molecular factors that contribute to PNET progression and metastasis, and as part of an ongoing clinical trial at the BC Cancer Agency (clinicaltrials...
November 1, 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/29076080/-recurrent-pain-and-swelling-of-the-left-leg-in-a-49-year-old-male-patient
#3
A T Aschoff, M Pech, F Fischbach, S Harbauer-Gurguta, R Braun-Dullaeus, J Herold
A 49-year-old male patient presented due to recurrent pain and swelling in the left leg. The patient had had deep venous thrombosis with pulmonary embolism 5 years previously. Since then, he had been treated with Vit-k-antagonists. Pronounced paraumbilical collateral circulation of unknown origin was striking. Doppler sonographic evaluation pointed to May-Thurner syndrome. This was confirmed by phlebography. Venous stenting of the stenosis in the left iliac vein achieved long-term symptom improvement. This case report is intended to draw attention to the rare May-Thurner syndrome as an important differential diagnosis of deep vein thrombosis and, at the same time, identify diagnostic and therapeutic treatment strategies...
October 26, 2017: Der Internist
https://www.readbyqxmd.com/read/29065267/the-prognostic-importance-of-tgf-%C3%AE-tgf-%C3%AE-receptor-and-fascin-in-childhood-solid-tumors
#4
Hikmet Gulsah Tanyildiz, Gulsah Kaygusuz, Emel Unal, Nurdan Tacyildiz, Handan Dincaslan, Gulsan Yavuz
Fascin plays a role in tumor metastasis under the influence of TGF-β, each potentiating the effect of the other. We retrospectively investigated whether there was a prognostic relationship between TGF-β and fascin, and disease stage, local recurrence, metastasis tendency, and response to treatment. Twelve neuroblastomas, 17 osteosarcomas, 14 Ewing's sarcomas, 15 rhabdomyosarcoma cases, and 8 rare solid tumors were included. Serum TGF-β levels were high at the time of diagnosis in all groups (p = .015) and decreased significantly during remission (p = ...
October 24, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29040297/decreased-nk-cell-immunity-in-kidney-transplant-recipients-late-post-transplant-and-increased-nk-cell-immunity-in-patients-with-recurrent-miscarriage
#5
Li Zhu, Mostafa Aly, Haihao Wang, Hristos Karakizlis, Rolf Weimer, Christian Morath, Ruben Jeremias Kuon, Bettina Toth, Gerhard Opelz, Volker Daniel
BACKGROUND: There is evidence that NK-cell reactivity might affect graft outcome in transplant recipients and pregnancy in women. METHOD: NK-cell subsets were determined in whole blood using eight-colour-fluorescence flow cytometry in patients before and after renal transplantation, patients with recurrent miscarriage (RM) and healthy controls (HC). RESULTS: Patients late post-transplant (late-Tx) with functioning renal transplants showed abnormally low CD56dimCD16+ NK-cells containing both perforin and granzyme (vs HC p = 0...
2017: PloS One
https://www.readbyqxmd.com/read/29022644/assessment-of-risk-factors-in-metastatic-recurrent-tall-cell-variant-of-papillary-thyroid-carcinoma
#6
Kursat Okuyucu, Engin Alagoz, Semra Ince, Nuri Arslan
INTRODUCTION: Papillary thyroid carcinoma (PTC) is the most common malignant thyroid tumor. A great majority of the cases live a disease-free life with quite favorable prognosis. There are lots of variants of PTC and a few of them exhibit aggressive behaviour. Typical example is the tall cell variant (TCV). Patients experience a greater incidence of recurrence, nodal and extranodal metastases, tumor associated mortality than other variants of PTC. Studies related to TCV almost always compared it with its patient population of PTC according to risk factors and clinicopathologic features...
October 12, 2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/29018009/paediatric-case-of-ductal-origin-of-right-pulmonary-artery-presenting-with-exertional-dyspnoea-and-mimicking-asthma-and-primary-ciliary-dyskinesia
#7
Malvika Sagar, Anderson S Marshall, Cody W Clary, Athar M Qureshi
Ductal origin of pulmonary artery is a rare anomaly that is frequently misdiagnosed. Patients may present with exertional dyspnoea, recurrent respiratory infections and pulmonary hypertension. The presence of pulmonary hypertension can adversely affect clinical outcome in these patients; hence, early identification and intervention is the key to improve survival. A case of a 3-year-old child presenting with exertional dyspnoea is presented in this report. Chest radiograph revealed right-sided pulmonary hypoplasia and mediastinal shift to the right...
October 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29016487/ovarian-vein-thrombosis-incidence-of-recurrent-venous-thromboembolism-and-survival
#8
Charles J Lenz, Waldemar E Wysokinski, Stanislav Henkin, Kevin P Cohoon, Ana Casanegra, Benjamin S Simmons, Rayya A Saadiq, Paul R Daniels, Ewa M Wysokinska, Haraldur Bjarnason, Robert D McBane
OBJECTIVE: To identify the risk of venous thromboembolism recurrence, major bleeding, and mortality in patients with ovarian vein thrombosis so as to better define optimal treatment strategies. METHODS: Patients with ovarian vein thrombosis (1990-2015) and age- and gender-matched patients with contemporary leg deep vein thrombosis (DVT) were assessed for differences in etiology, venous thromboembolism recurrence, and survival in a case-control study. RESULTS: Over the timeframe of this study, only 219 ovarian vein thrombosis cases were identified compared with 13,417 leg DVTs...
November 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28993906/antiangiogenesis-and-medical-therapy-failure-in-intracranial-atherosclerosis
#9
Nestor R Gonzalez, Raymond Liou, Florian Kurth, Hao Jiang, Jeffrey Saver
Intracranial atherosclerotic disease (ICAD) is one of the most common causes of stroke worldwide and the one with the worst prognosis. In this study, we assessed the hypothesis that the balance of circulating pro- and antiangiogenic factors plays a role in the evolution of the disease and can be used as a potential marker for the disease course and a target for treatment. Seventy-four patients with severe ICAD were enrolled in this prospective observational study, medically optimized, and followed for 6 months...
October 9, 2017: Angiogenesis
https://www.readbyqxmd.com/read/28991374/synaptopodin-2-suppresses-metastasis-of-triple-negative-breast-cancer-via-inhibition-of-yap-taz-activity
#10
Junling Liu, Liping Ye, Qingyuan Li, Xianqiu Wu, Bin Wang, Ying Ouyang, Zhongyu Yuan, Jun Li, Chuyong Lin
Triple negative breast cancer (TNBC) represents the most aggressive subtype of breast cancer with a high incidence of distant metastasis; however, the underlying mechanism for this frequent recurrence remains unclear. Herein, we find that Synaptopodin 2, a putative tumor suppressor in aggressive cancer, is frequently downregulated in TNBC by methylation of the promoter of SYNPO2. Low expression levels of SYNPO2 correlated significantly with 5-year metastatic relapse, and predicted poorer prognosis in breast cancer patients...
October 9, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28984674/targeted-genomic-profiling-reveals-recurrent-kras-mutations-in-mesonephric-like-adenocarcinomas-of-the-female-genital-tract
#11
Jelena Mirkovic, Marie McFarland, Elizabeth Garcia, Lynette M Sholl, Neal Lindeman, Laura MacConaill, Fei Dong, Michelle Hirsch, Marisa R Nucci, Charles M Quick, Christopher P Crum, W Glenn McCluggage, Brooke E Howitt
Mesonephric adenocarcinoma most commonly arises in the cervix and is presumed to be derived from normal or hyperplastic mesonephric remnants. It is characterized by recurrent KRAS mutations and lack of PIK3CA/PTEN alterations. Adenocarcinomas of the uterine corpus and ovary characterized by morphologic and immunophenotypic similarities to mesonephric adenocarcinoma have been reported. The pathogenesis of these tumors, which have been designated "mesonephric-like adenocarcinomas" is unknown, and it has been debated whether these represent mesonephric adenocarcinomas that arise in the endometrium/ovary or endometrioid adenocarcinomas that closely mimic mesonephric adenocarcinoma...
October 3, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28980667/thrombotic-microangiopathy-induced-by-interferon-beta-in-patients-with-multiple-sclerosis-three-cases-treated-with-eculizumab
#12
Marco Allinovi, Calogero Lino Cirami, Leonardo Caroti, Giulia Antognoli, Silvia Farsetti, Maria Pia Amato, Enrico Eugenio Minetti
BACKGROUND: Interferon-beta (IFN-beta) is one of the most widely prescribed medications for relapsing-remitting multiple sclerosis (RRMS). IFN-related thrombotic microangiopathy (TMA) is a rare but severe complication, with a fulminant clinical onset and a possibly life-threatening outcome that may occur years after a well-tolerated treatment with IFN. Most patients evolve rapidly to advanced chronic kidney disease and eventually to renal failure. METHODS: We performed a retrospective analysis of TMA cases diagnosed and managed in our Nephrology Department from 2010 to 2015, and performed a literature review of IFN-beta-induced TMA...
October 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28977919/tumor-p38mapk-signaling-enhances-breast-carcinoma-vascularization-and-growth-by-promoting-expression-and-deposition-of-pro-tumorigenic-factors
#13
Michelle Limoge, Alfiya Safina, Alexander M Truskinovsky, Ieman Aljahdali, Justin Zonneville, Aleksandar Gruevski, Carlos L Arteaga, Andrei V Bakin
The breast carcinoma microenvironment strikingly influences cancer progression and response to therapy. Various cell types in the carcinoma microenvironment show significant activity of p38 mitogen-activated protein kinase (MAPK), although the role of p38MAPK in breast cancer progression is still poorly understood. The present study examined the contribution of tumor p38MAPK to breast carcinoma microenvironment and metastatic capacity. Inactivation of p38MAPK signaling in metastatic breast carcinoma cells was achieved by forced expression of the kinase-inactive mutant of p38/MAPK14 (a dominant-negative p38, dn-p38)...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28962138/radioresistance-of-chordoma-cells-is-associated-with-the-atm-atr-pathway-in-which-rad51-serves-as-an-important-downstream-effector
#14
Chao Zhang, Bing Wang, Lei Li, Yawei Li, Pengzhi Li, Guohua Lv
Surgery followed by radiotherapy is the standard treatment for chordomas, which are a rare but low-grade type of bone cancer arising from remnants of the embryonic notochord. However, disease recurrence following radiotherapy is common, most likely due to endogenous DNA repair mechanisms that promote cell survival upon radiation strikes. The ataxia telangiectasia mutated/ataxia telangiectasia mutated and Rad3 related (ATM/ATR)-mediated pathway has a critical role in DNA repair mechanisms; however, it has rarely been investigated in chordomas...
September 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28905428/cost-effective-screening-of-dnmt3a-coding-sequence-identifies-somatic-mutation-in-pediatric-t-cell-acute-lymphoblastic-leukemia
#15
Bronisława Szarzyńska-Zawadzka, Maria Kosmalska, Łukasz Sędek, Alicja Sonsala, Magdalena Twardoch, Jerzy R Kowalczyk, Tomasz Szczepański, Michał Witt, Małgorzata Dawidowska
BACKGROUND AND OBJECTIVES: In pediatric T-cell acute lymphoblastic leukemia (T-ALL) risk assignment schemes preclude reliable prediction of outcome and thus new prognostic factors are needed. Mutations in DNMT3A are candidate prognostic and classification markers in adults with acute myeloid leukemia (AML) and T-ALL and thus were considered as candidates prognostic markers in pediatric T-ALL. PATIENTS AND METHODS: DNMT3A mutational status was investigated in 74 pediatric T-ALL samples collected at diagnosis...
September 14, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28899974/genomic-characterization-of-vulvar-pre-cancers-identifies-distinct-molecular-subtypes-with-prognostic-significance
#16
Linda S Nooij, Natalja T Ter Haar, Dina Ruano, Natalia Rakislova, Tom van Wezel, Vincent T H B M Smit, Baptist J B M Z Trimbos, Jaume Ordi, Mariette I E van Poelgeest, Tjalling Bosse
Purpose: Vulvar cancer (VC) can be subclassified by human papillomavirus (HPV) status. HPV-negative VCs frequently harbor TP53 mutations; however, in-depth analysis of other potential molecular genetic alterations is lacking. We comprehensively assessed somatic mutations in a large series of vulvar (pre)cancers.Experimental Design: We performed targeted next-generation sequencing (17 genes), p53 immunohistochemistry and HPV testing on 36 VC and 82 precursors (sequencing cohort). Subsequently, the prognostic significance of the three subtypes identified in the sequencing cohort was assessed in a series of 236 VC patients (follow-up cohort)...
September 12, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28890042/guillain-barre-syndrome-in-the-elderly-experience-from-a-tertiary-care-hospital-in-india
#17
M Nagappa, W Rahul, S Sinha, P S Bindu, P S Mathuranath, S Rao, S Periyavan, G S Umamaheshwara Rao, A B Taly
Age influences incidence and prognosis of Guillain Barre Syndrome (GBS), common cause of ascending areflexic quadriparesis. Dedicated studies on elderly GBS are infrequent. This study aimed to describe clinical features and outcome at hospital-discharge in patients aged≥60years with GBS. Medical records of 70 elderly GBS over 15years were analysed. Mean symptom-duration was 5.78±4.5days and onset-to-peak 5.14±4.4days. Antecedent events preceded GBS by 8.07±9.9days and included: fever (n=19), respiratory infection (n=6), and gastroenteritis (n=5)...
December 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28882638/delayed-onset-of-atrial-fibrillation-and-ventricular-tachycardia-after-an-automobile-lightning-strike
#18
Dorian Drigalla, Shannon E Essler, C Keith Stone
BACKGROUND: Lightning strike is a rare medical emergency. The primary cause of death in lightning strike victims is immediate cardiac arrest. The mortality rate from lightning exposure can be as high as 30%, with up to 70% of patients left with significant morbidity. CASE REPORT: An 86-year-old male was struck by lightning while driving his vehicle and crashed. On initial emergency medical services evaluation, he was asymptomatic with normal vital signs. During his transport, he lost consciousness several times and was found to be in atrial fibrillation with intermittent runs of ventricular tachycardia during the unconscious periods...
November 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28881492/a-novel-elane-mutation-associated-with-inflammatory-arthritis-defective-netosis-and-recurrent-parvovirus-infection
#19
Uma Thanarajasingam, Mark A Jensen, Jessica M Dorschner, Theresa Wampler Muskardin, Yogita Ghodke-Puranik, Monica Purmalek, Elias Eliopoulos, Maria I Zervou, George N Goulielmos, Matthew Howard, Mariana J Kaplan, Timothy B Niewold
OBJECTIVE: We describe a 38-year-old woman who presented with a history of inflammatory arthritis, rash, and daily fevers. She was noted to have chronic parvovirus infection with persistently detectable viral titers and a novel mutation in the ELANE gene. ELANE encodes neutrophil elastase, a neutrophil serine protease with important antimicrobial effects, and is found as part of neutrophil extracellular trap (NET) complexes. Pathogenic ELANE mutations have been identified in forms of hereditary neutropenia...
September 7, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28854567/polyploidy-and-interspecific-hybridization-partners-for-adaptation-speciation-and-evolution-in-plants
#20
Karine Alix, Pierre R Gérard, Trude Schwarzacher, J S Pat Heslop-Harrison
Background: Polyploidy or whole-genome duplication is now recognized as being present in almost all lineages of higher plants, with multiple rounds of polyploidy occurring in most extant species. The ancient evolutionary events have been identified through genome sequence analysis, while recent hybridization events are found in about half of the world's crops and wild species. Building from this new paradigm for understanding plant evolution, the papers in this Special Issue address questions about polyploidy in ecology, adaptation, reproduction and speciation of wild and cultivated plants from diverse ecosystems...
August 1, 2017: Annals of Botany
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