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https://www.readbyqxmd.com/read/28737134/nephrotic-syndrome-in-primary-myelofibrosis-with-renal-extramedullary-hematopoiesis-and-glomerulopathy-in-the-jak-inhibitor-era
#1
Rachele Del Sordo, Rachele Brugnano, Carla Covarelli, Gioia Fiorucci, Franca Falzetti, Giorgio Barbatelli, Emidio Nunzi, Angelo Sidoni
Primary myelofibrosis (PMF) is an uncommon form of myeloproliferative neoplasm (MPN) characterized by a proliferation of predominantly megakaryocytes and granulocytes in the bone marrow that, in fully-developed disease, is associated with reactive deposition of fibrous connective tissue, extramedullary hematopoiesis (EMH), and splenomegaly. Kidney involvement is rare and clinically presents with proteinuria, nephrotic syndrome, and renal insufficiency. Renal damage can be due to EMH and glomerulopathy. Renal EMH presents three patterns: infiltration of the interstitium with possible renal failure caused by functional damage of parenchyma and vessels, infiltration of capsule and pericapsular adipose tissue, and sclerosing mass-like lesions that can cause hydronephrosis and hydroureter with obstructive uropathy and renal failure...
July 24, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28732733/antibacterial-activities-and-preservative-effect-of-chitosan-oligosaccharide-maillard-reaction-products-on-penaeus-vannamei
#2
Tao Sun, Yingying Qin, Honglei Xu, Jing Xie, Dongmei Hu, Bin Xue, Xinyi Hua
The purpose of this study was to understand the influence of Maillard reaction (MR) on bioactivity of chitosan oligosaccharide (COS). The antibacterial activity against Pseudomonas aeruginosa and Vibrio parahaemolyticus and preservative effect of two kinds of COS MR products (MRPs) on Penaeus vannamei were evaluated. The structures of CG (MRPs of COS and glucose) and CM (MRPs of COS and maltose) were characterized by FT-IR and their molecular weights were measured by gel permeation chromatography (GPC). The results showed that CG has enhanced antibacterial activity and preservative effect compared to COS by evaluating total volatile base-nitrogen (TVB-N), trimethylamine (TMA), pH, total bacterial count (TBC) and sensory evaluation...
July 18, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28730788/topoisomerase-i-deregulation-in-laryngeal-squamous-cell-carcinomas-based-on-tissue-microarray-analysis
#3
Theodoros A Papadas, Evangelos Tsiambas, Nicholas S Mastronikolis, Andreas Karameris, Stylianos N Mastronikolis, Athanasios T Papadas, Panagiotis P Fotiades, Vasileios Ragos
PURPOSE: Topoisomerases (types: I/IIa-b/IIIa-b) represent a super-family of nucleic enzymes involved in the DNA replication, transcription, recombination, and also chromosome topological formation. Topoisomerase's I (Topo I- gene location: 20q12) aberrant expression is a frequent genetic event in a variety of solid malignancies. Topo I inhibition promotes cell death due to DNA damage and for this reason it is a target for specific targeted chemotherapy (camptothecin, topotecan, irinotecan)...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28726241/investigating-the-role-of-the-igf-axis-as-a-predictor-of-biochemical-recurrence-in-prostate-cancer-patients-post-surgery
#4
Kieran J Breen, Amanda O'Neill, Lisa Murphy, Yue Fan, Susie Boyce, Noel Fitzgerald, Emma Dorris, Lauren Brady, Stephen P Finn, Brian D Hayes, Ann Treacy, Ciara Barrett, Mardiana Abdul Aziz, Elaine W Kay, John M Fitzpatrick, R William G Watson
BACKGROUND: Between 20% and 35% of prostate cancer (PCa) patients who undergo treatment with curative intent (ie, surgery or radiation therapy) for localized disease will experience biochemical recurrence (BCR). Alterations in the insulin-like growth factor (IGF) axis and PTEN expression have been implicated in the development and progression of several human tumors including PCa. We examined the expression of the insulin receptor (INSR), IGF-1 receptor (IGF-1R), PTEN, and AKT in radical prostatectomy tissue of patients who developed BCR post-surgery...
July 20, 2017: Prostate
https://www.readbyqxmd.com/read/28720207/thrombotic-microangiopathy-a-multidisciplinary-team%C3%A2-approach
#5
Craig E Gordon, Vipul C Chitalia, J Mark Sloan, David J Salant, David L Coleman, Karen Quillen, Katya Ravid, Jean M Francis
Thrombotic microangiopathy (TMA) is characterized by the presence of microangiopathic hemolytic anemia and thrombocytopenia along with organ dysfunction, and pathologically, by the presence of microthrombi in multiple microvascular beds. Delays in diagnosis and initiation of therapy are common due to the low incidence, variable presentation, and poor awareness of these diseases, underscoring the need for interdisciplinary approaches to clinical care for TMA. We describe a new approach to improve clinical management via a TMA team that originally stemmed from an Affinity Research Collaborative team focused on thrombosis and hemostasis...
July 15, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28717852/elevated-s100a8-protein-expression-in-breast-cancer-cells-and-breast-tumor-stroma-is-prognostic-of-poor-disease-outcome
#6
P Miller, K M Kidwell, D Thomas, M Sabel, J M Rae, D F Hayes, B I Hudson, D El-Ashry, M E Lippman
PURPOSE: Elevated S100A8 expression has been observed in cancers of the bladder, esophagus, colon, ovary, and breast. S100A8 is expressed by breast cancer cells as well as by infiltrating immune and myeloid cells. Here we investigate the association of elevated S100A8 protein expression in breast cancer cells and in breast tumor stroma with survival outcomes in a cohort of breast cancer patients. PATIENTS AND METHODS: Tissue microarrays (TMA) were constructed from breast cancer specimens from 417 patients with stage I-III breast cancer treated at the University of Michigan Comprehensive Cancer Center between 2004 and 2006...
July 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28716778/thrombotic-microangiopathy-associated-with-intravenous-injection-of-extended-release-oxycodone
#7
Kate J Robson, Danielle Clucas, Robin Filshie, Harshal Nandurkar
We describe the case of a 35-year-old man presenting with thrombotic microangiopathy (TMA) and renal impairment following, as he later disclosed, intravenous injection of oral formulation tamper-resistant extended-release oxycodone hydrochloride (Oxycontin). Recurrent misuse of this agent was associated with relapsing TMA despite treatment with terminal complement inhibitor eculizumab. Cases of TMA have been reported in the USA in association with intravenous misuse of extended-release oxymorphone (Opana ER) after the introduction of a new non-crushable formulation in 2012...
July 17, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28715991/trimethylamine-n-oxide-the-microbiome-and-heart-and-kidney-disease
#8
Steven H Zeisel, Manya Warrier
Trimethylamine N-oxide (TMAO) is a biologically active molecule and is a putative promoter of chronic diseases including atherosclerosis in humans. Host intestinal bacteria produce its precursor trimethylamine (TMA) from carnitine, choline, or choline-containing compounds. Most of the TMA produced is passively absorbed into portal circulation, and hepatic flavin-dependent monooxygenases (FMOs) efficiently oxidize TMA to TMAO. Both observational and experimental studies suggest a strong positive correlation between increased plasma TMAO concentrations and adverse cardiovascular events, such as myocardial infarction, stroke, and death...
July 17, 2017: Annual Review of Nutrition
https://www.readbyqxmd.com/read/28711159/-hemolytic-and-uremic-syndrome-and-related-thrombotic-microangiopathies-epidemiology-pathophysiology-and-clinics
#9
C Rafat, P Coppo, F Fakhouri, V Frémeaux-Bacchi, C Loirat, J Zuber, E Rondeau
Thrombotic microangiopathies (TMA) represent an eclectic group of conditions, which share hemolytic anemia and thrombocytopenia as a common defining basis. Remarkable breakthroughs in the physiopathological setting have allowed for a thorough recomposition of the disparate syndromes, which form the constellation of TMA. In this view, clinicians now discriminate thrombocytopenic thrombotic purpura (TTP) defined by a severe deficiency in ADAMTS13, which is rarely associated with a severe renal involvement and the hemolytic and uremic syndrome (HUS) in which renal impairment is the most prominent clinical feature...
July 12, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28705839/circulating-dsdna-endothelial-injury-and-complement-activation-in-thrombotic-microangiopathy-and-gvhd
#10
Nicholas J Gloude, Pooja Khandelwal, Nathan Luebbering, Dana T Lounder, Sonata Jodele, Matthew N Alder, Adam Lane, Alyss Wilkey, Kelly E Lake, Bridget Litts, Stella M Davies
TA-TMA is a common and poorly recognized complication of HSCT associated with excessive complement activation, likely triggered by endothelial injury. An important missing piece is the link between endothelial injury and complement activation. We hypothesized that neutrophil extracellular traps (NETs) mechanistically link endothelial damage with complement activation and subsequent TA-TMA. Neutrophil activation releases granule proteins together with double stranded DNA (dsDNA), to form extracellular fibers known as NETs...
July 13, 2017: Blood
https://www.readbyqxmd.com/read/28704312/trunk-muscle-activation-in-the-back-and-hack-squat-at-the-same-relative-loads
#11
David R Clark, Michael I Lambert, Angus M Hunter
The hack squat (HS) is likely to produce a greater 1 repetition maximum (1RM) compared to the back squat (BS). This can be attributed to the support of the trunk during the HS compared to no support during BS. This support however, may compromise trunk muscle activation (TMA), therefore producing different training adaptations. Accordingly, the purpose of this study was to compare 1RM in BS and HS and TMA at 4 relative loads, 65, 75, 85 and 95% of maximal system mass. Ten males completed 3 test sessions:1) BS and HS 1RM, 2) HS & BS neuromuscular test familiarization, and, 3) Neuromuscular test for 3 reps at 4 loads for BS and HS...
July 12, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28694188/testing-the-enemy-release-hypothesis-abundance-and-distribution-patterns-of-helminth-communities-in-grey-mullets-teleostei-mugilidae-reveal-the-success-of-invasive-species
#12
Volodimir Sarabeev, Juan Antonio Balbuena, Serge Morand
The abundance and aggregation patterns of helminth communities of two grey mullet hosts, Liza haematocheilus and Mugil cephalus, were studied across 14 localities in Atlantic and Pacific marine areas. The analysis matched parasite communities of (i) L. haematocheilus across its native and introduced populations (Sea of Japan and Sea of Azov, respectively) and (ii) the introduced population of L. haematocheilus with native populations of M. cephalus (Mediterranean, Azov-Black and Japan Seas). The total mean abundance (TMA), as a feature of the infection level in helminth communities, and slope b of the Taylor's power law, as a measure of parasite aggregation at the infra and component-community levels, were estimated and compared between host species and localities using ANOVA...
July 8, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28687161/deregulation-of-mir-126-3p-in-basal-like-breast-cancers-stroma-and-its-clinical-significance
#13
Jing Li, Jin Liang Ping, Bo Ma, Ying Rong Chen, Li Qin Li
INTRODUCTION: The aim of this study was to investigate miR-126-3p expression in stroma and tumor cells of basal-like breast cancer tissues, in an effort to elucidate the potential effect of miR-126-3p on tumor microenvironment and progress of basal-like breast cancer. METHODS: Expression levels of miR-126-3p in 33 paired basal-like breast cancer tissues were assayed by real-time quantitative PCR. Tumor cells and normal epithelial cell were isolated from ten paired basal-like breast cancer tissues and matched adjacent tissues, separately, using laser capture microdissect(LCM)-based PCR method...
May 31, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28682944/a-simplified-mortality-score-using-delta-neutrophil-index-and-the-thrombotic-microangiopathy-score-for-prognostication-in-critically-ill-patients
#14
Eun Kyong Goag, Jong Wook Lee, Yun Ho Roh, Ah Young Leem, Song Yee Kim, Joo Han Song, Eun Young Kim, Ji Ye Jung, Moo Suk Park, Young Sam Kim, Se Kyu Kim, Joon Chang, Kyung Soo Chung
BACKGROUND: This study was conducted to assess the prognostic value of a simplified mortality score (SMS) using the delta neutrophil index (DNI) and thrombotic microangiopathy (TMA) score, both easily obtained from the complete blood count, to identify critically ill patients at high risk of death. METHODS: This was a retrospective study performed in the medical ICU at Yonsei University College of Medicine from June 2015 to February 2016. The primary end-point was 28-day all-cause mortality...
July 4, 2017: Shock
https://www.readbyqxmd.com/read/28679995/thrombotic-microangiopathy-due-to-malignant-hypertension-complicated-with-late-onset-bleeding-after-renal-biopsy
#15
Saki Ameda, Hiroyuki Kuroda, Michiko Yamada, Ken Sato, Shogo Miura, Hiroya Sakano, Takanori Shibata, Naoki Uemura, Tomoyuki Abe, Shigeyuki Fujii, Masahiro Maeda, Miri Fujita, Masayoshi Kobune, Junji Kato
A 47-year-old man presented at a local ophthalmological hospital with blurred vision. He had been diagnosed with hypertensive retinopathy and renal failure and was referred to our hospital for treatment. A renal biopsy was done to evaluate pathology of high proteinuria, hematuria, and rapidly progressive glomerulonephritis. Blood pressure remained high despite antihypertensive therapy; anemia and thrombocytopenia gradually progressed. Thrombotic microangiopathy (TMA) was suspected based on red blood cell fragmentation due to hemolytic anemia, thrombocytopenia, and renal failure...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28678947/misfit-and-fracture-load-of-implant-supported-monolithic-crowns-in-zirconia-reinforced-lithium-silicate
#16
Rafael Soares Gomes, Caroline Mathias Carvalho de Souza, Edmara Tatiely Pedroso Bergamo, Dimorvan Bordin, Altair Antoninha Del Bel Cury
Objective: In this study, marginal and internal misfit and fracture load with and without thermal-mechanical aging (TMA) of monolithic ZLS and lithium disilicate (LDS) crowns were evaluated. Material and methods: Crowns were milled using a computer-aided design/computer-aided manufacturing system. Marginal gaps (MGs), absolute marginal discrepancy (AMD), axial gaps, and occlusal gaps were measured by X-ray microtomography (n=8). For fracture load testing, crowns were cemented in a universal abutment, and divided into four groups: ZLS without TMA, ZLS with TMA, LDS without TMA, and LDS with TMA (n=10)...
May 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28678519/intermittent-hypoxia-and-hypercapnia-accelerate-atherosclerosis-partially-via-trimethylamine-oxide
#17
Jin Xue, Dan Zhou, Orit Poulsen, Toshihiro Imamura, Yu-Hsin Hsiao, Travis H Smith, Atul Malhotra, Pieter Dorrestein, Rob Knight, Gabriel G Haddad
RATIONALE: Obstructive sleep apnea (OSA) is a common disorder characterized by intermittent hypoxia and hypercapnia (IHC) during sleep. OSA has been shown as a risk factor for atherosclerosis but the relation of IHC to induction or progression of atherosclerosis is not well understood. To dissect the mechanisms involved, we compared atherosclerotic formation between two mouse models, i.e., the apolipoprotein E (ApoE) and the low density lipoprotein receptor (Ldlr) deficient mice, with or without IHC exposure...
July 5, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28677745/galectin-1-is-a-diagnostic-marker-involved-in-thyroid-cancer-progression
#18
Vanessa Arcolia, Fabrice Journe, Aurore Wattier, Emmanuelle Leteurtre, Florence Renaud, Hans-Joachim Gabius, Myriam Remmelink, Christine Decaestecker, Alexandra Rodriguez, Sébastien Boutry, Sophie Laurent, Sven Saussez
Fine-needle aspiration (FNA) is the most commonly used pre-operative technique for diagnosis of malignant thyroid tumor. However, many benign lesions, with indeterminate diagnosis following FNA, are referred to surgery. Based on multifunctionality of the endogenous galectin-1, we aimed to assess its status for early diagnosis of thyroid cancer. Immunohistochemistry for galectin-1 and -3 was performed on a clinical series of 69 cases of thyroid lesions. Galectin-1 expression was further examined in two additional tissue microarrays (TMA) composed of 66 follicular adenomas and 66 papillary carcinomas in comparison to galectin-3 and cytokeratin-19 (CK19)...
July 4, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28669730/znf692-promotes-proliferation-and-cell-mobility-in-lung-adenocarcinoma
#19
Quanli Zhang, Xiufen Zheng, Qi Sun, Run Shi, Jie Wang, Biqing Zhu, Lin Xu, Guangqin Zhang, Binhui Ren
By analyzing The Cancer Genome Atlas (TCGA) datasets, we discovered that the zinc finger protein 692 (ZNF692) were over-expressed in Lung adenocarcinoma (LUAD) tissues compared to adjacent non-tumor tissues (P < 0.0001). In this study, we investigated the function of ZNF692 in the progression of LUAD. We found that ZNF692 knockdown inhibited LUAD cells proliferation, migration, and invasion both in vitro and in vivo. And LUAD cell apoptosis was induced following the down-regulation of ZNF692. Our results show that ZNF692 is over-expressed in LUAD tissues compared to adjacent normal tissues, and hyper-expression of ZNF692 in LUAD is an independent risk factor for worse overall survival in LUAD patients (HR: 8...
June 29, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28665519/unearthing-3-dimethylamino-propyl-aluminium-iii-complexes-as-novel-ald-precursors-for-al2o3-synthesis-characterization-and-ald-process-development
#20
Lukas Mai, Maximilian Gebhard, Teresa de Los Arcos, Ignacio Giner, Felix Mischker, Manuela Winter, Harish Parala, Peter Awakowicz, Guido Grundmeier, Anjana Devi
Identification and synthesis of intramolecularly donor stabilized 3-(dimethylamino)propyl ligand containing aluminium (III) complexes as novel atomic layer deposition (ALD) precursors has enabled the development of new and promising ALD processes for Al2O3 thin films at low temperatures. Key for this promising outcome is the ligand combination that leads to heteroleptic Al complexes encompassing optimal volatility, thermal stability and reactivity. The first example of the application of this family of Al precursors for ALD is reported here...
June 30, 2017: Chemistry: a European Journal
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