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https://www.readbyqxmd.com/read/27906683/long-term-tolerance-and-cardiac-function-in-breast-cancer-patients-receiving-trastuzumab-therapy
#1
Ping Huang, Shujun Dai, Zhimin Ye, Yajuan Liu, Zhanhong Chen, Yabing Zheng, Xiying Shao, Lei Lei, Xiaojia Wang
We examined the long-term clinical tolerance and cardiac safety of trastuzumab treatment in ninety-four female patients diagnosed with breast cancer with human epidermal growth factor receptor 2 (HER-2) overexpression. Electrocardiography (ECG) was monitored throughout trastuzumab treatment, and left ventricular ejection fractions (LVEFs) were estimated using echocardiography prior to treatment with trastuzumab and every 3 months after its first application. The duration of trastuzumab treatments ranged from 3 to 60 months...
November 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/27898408/sulodexide-protects-contrast-induced-nephropathy-in-sprague-dawley-rats
#2
Qing Zhao, Jianyong Yin, Zeyuan Lu, Yiwei Kong, Guangyuan Zhang, Binghui Zhao, Feng Wang
BACKGROUND: Sulodexide is a powerful antithrombin agent with reno-protective property. However, whether it has beneficial effects on Contrast-Induced Nephropathy (CIN) remained elusive. In the current study, we evaluated the therapeutic effects of Sulodexide on CIN and investigated the potential mechanisms. METHODS: CIN model was induced by intravenous injection of indomethacin, followed by Ioversol and L-NAME. Sprague-Dawley rats were divided into 4 groups: control group, CIN group, CIN+vehicle group (CIN rats pretreated with vehicle) and CIN+ Sulodexide (CIN rats pretreated with Sulodexide)...
November 30, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27897454/considerations-for-standardizing-predictive-molecular-pathology-for-cancer-prognosis
#3
Michelangelo Fiorentino, Marina Scarpelli, Antonio Lopez-Beltran, Liang Cheng, Rodolfo Montironi
Molecular tests that were once ancillary to the core business of cyto-histopathology are becoming the third most relevant workload in pathology departments after histopathology/cytopathology and before autopsies. This has resulted from innovations in molecular biology techniques, which have developed at an incredibly fast pace. Areas covered: Most of the current widely used techniques in molecular pathology such as FISH, direct sequencing, pyrosequencing, and allele-specific PCR will be replaced by massive parallel sequencing that will not be considered next generation, but rather, will be considered to be current generation sequencing...
November 29, 2016: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/27895698/combinations-of-bio-active-dietary-constituents-affect-human-white-adipocyte-function-in-vitro
#4
Ines Warnke, Johan W E Jocken, Rotraut Schoop, Christine Toepfer, Regina Goralczyk, Joseph Schwager
BACKGROUND: Specific bio-active dietary compounds modulate numerous metabolic processes in adipose tissue (AT), including pre-adipocyte proliferation and differentiation. AT dysfunction, rather than an increased fat mass per se, is strongly associated with the development of insulin resistance and is characterized by impaired adipogenesis, hypertrophic adipocytes, inflammation, and impairments in substrate metabolism. A better understanding of mechanisms underlying AT dysfunction may provide new strategies for the treatment of obesity-associated metabolic diseases...
2016: Nutrition & Metabolism
https://www.readbyqxmd.com/read/27892512/where-is-iron-in-erionite-a-multidisciplinary-study-on-fibrous-erionite-na-from-jersey-nevada-usa
#5
Alessandro F Gualtieri, Nicola Bursi Gandolfi, Simone Pollastri, Kilian Pollok, Falko Langenhorst
Fibrous erionite is a mineral fibre of great concern but to date mechanisms by which it induces cyto- and geno-toxic damage, and especially the role of iron associated to this zeolite species, remain poorly understood. One of the reasons is that we still don't know exactly where iron is in natural erionite. This work is focused on fibrous erionite-Na from Jersey (Nevada, USA) and attempts to draw a general model of occurrence of iron in erionite and relationship with toxicity mechanisms. It was found that iron is present as 6-fold coordinated Fe(3+) not part of the zeolite structure...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27890430/tar-dna-binding-protein-43-inhibits-inflammatory-response-and-protects-chondrocyte-function-by-modulating-rack1-expression-in-osteoarthritis
#6
Yongming Huang, Qiming Huang, Haitao Su, Xiujun Mai, Enhui Feng, Zhenwu Cao, Xiuyun Zeng
BACKGROUND: TAR DNA-binding protein-43 (TDP-43, transactive response DNA binding protein 43kDa) accumulates in the cytoplasm of affected neurons and glia, as large inclusions of stress granules (SGs). However, the mechanism of TDP-43 interaction with the target genes and its specific role in osteoarthritis (OA) progression is still unknown. The goal of this study was to identify the role of TDP-43 in OA progression by modulating its target genes. METHODS: MSCs were transfected with TDP-43 gene lentivirus...
November 24, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27888658/a-case-of-composite-classical-and-nodular-lymphocyte-predominant-hodgkin-lymphoma-with-progression-to-diffuse-large-b-cell-non-hodgkin-lymphoma-diagnostic-difficulty-in-fine-needle-aspiration-cytology
#7
Dilip K Das, Zafar A Sheikh, Mariam H Al-Shama'a, Bency John, Abdulla M S Alawi, Thamradeen A Junaid
A small percentage of nodular lymphocytic predominant Hodgkin lymphoma (NLPHL) progresses to diffuse large B-cell lymphoma (DLBCL). There have also been rare reports of gray zone lymphoma with features intermediate between classical Hodgkin lymphoma (CHL) and DLBCL. We report a very rare case of composite lymphoma (CHL and NLPHL) progressing to DLBCL, and highlight the diagnostic difficulty faced during its fine-needle aspiration (FNA) cytology diagnosis. A 65-year-old woman presented with a right axillary swelling which was subjected to FNA cytology...
November 26, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27886531/coagulation-and-sepsis
#8
REVIEW
Marcel Levi, Tom van der Poll
Severe sepsis is almost invariably associated with systemic activation of coagulation. There is ample evidence that demonstrates a wide-ranging cross-talk between hemostasis and inflammation, which is probably implicated in the pathogenesis of organ dysfunction in patients with sepsis. Inflammation not only leads to initiation and propagation of coagulation activity, but coagulation also markedly influences inflammation. Molecular mechanisms that play a role in inflammation-induced effects on coagulation have been recognized in much detail...
November 19, 2016: Thrombosis Research
https://www.readbyqxmd.com/read/27881676/cytoplasmic-localization-of-proline-glutamic-acid-leucine-rich-protein-1-pelp1-induces-breast-epithelial-cell-migration-through-upregulation-of-inhibitor-of-kappa-b-kinase-epsilon-and-inflammatory-crosstalk-with-macrophages
#9
Brian J Girard, Todd P Knutson, Bethanie Kuker, Laura McDowell, Kathryn L Schwertfeger, Julie H Ostrander
Cytoplasmic localization of proline, glutamic acid, leucine rich protein 1 (PELP1) is observed in about 40% of women with invasive breast cancer. In mouse models, PELP1 overexpression in the mammary gland leads to pre-malignant lesions and eventually mammary tumors. In preliminary clinical studies, cytoplasmic localization of PELP1 was seen in 36% of women at high risk of developing breast cancer. Here, we investigated whether cytoplasmic PELP1 signaling promotes breast cancer initiation in models of immortalized human mammary epithelial cells (HMECs)...
November 23, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27878736/in-vitro-cyto-biocompatibility-study-of-thin-film-transistors-substrates-using-an-organotypic-culture-method
#10
Eric Leclerc, Jean-Luc Duval, Christophe Egles, Satoshi Ihida, Hiroshi Toshiyoshi, Agnès Tixier-Mita
Thin-Film-Transistors Liquid-Crystal Display has become a standard in the field of displays. However, the structure of these devices presents interest not only in that field, but also for biomedical applications. One of the key components, called here TFT substrate, is a glass substrate with a dense and large array of thousands of transparent micro-electrodes that can be considered as a large scale multi-electrode array(s). Multi-electrode array(s) are widely used for in vitro electrical investigations on neurons and brain, allowing excitation, registration, and recording of their activity...
January 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/27870932/investigation-of-the-toxicity-of-bismuth-oxide-nanoparticles-in-various-cell-lines
#11
Mahmoud Abudayyak, Ezgi Öztaş, Merve Arici, Gül Özhan
Nanoparticles have been drawn attention in various fields ranging from medicine to industry because of their physicochemical properties and functions, which lead to extensive human exposure to nanoparticles. Bismuth (Bi)-based compounds have been commonly used in the industrial, cosmetic and medical applications. Although the toxicity of Bi-based compounds was studied for years, there is a serious lack of information concerning their toxicity and effects in the nanoscale on human health and environment. Therefore, we aimed to investigate the toxic effects of Bi (III) oxide (Bi2O3) nanoparticles in liver (HepG2 hepatocarcinoma cell), kidney (NRK-52E kidney epithelial cell), intestine (Caco-2 colorectal adenocarcinoma cell), and lung (A549 lung carcinoma cell) cell cultures...
November 18, 2016: Chemosphere
https://www.readbyqxmd.com/read/27865501/cytological-endometritis-at-artificial-insemination-in-dairy-cows-prevalence-and-effect-on-pregnancy-outcome
#12
O Bogado Pascottini, M Hostens, P Sys, P Vercauteren, G Opsomer
The aims of our field study in dairy cows were (1) to consolidate cytotape (CT) as a valid technique to diagnose cytological endometritis (CYTO) during artificial insemination (AI); (2) to establish a cutoff point concerning the polymorphonuclear cells (PMN) proportion to diagnose CYTO at AI; (3) to assess the prevalence of CYTO at AI; and (4) to evaluate the effect of CYTO on the pregnancy outcome of that AI. The investigation was performed using 1,625 AI-CT samples harvested from 873 Holstein-Friesian cows from 18 dairy farms in the Flemish region of Belgium...
November 16, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27864687/omega-3-fatty-acid-epa-improves-regenerative-capacity-of-mouse-skeletal-muscle-cells-exposed-to-saturated-fat-and-inflammation
#13
Amarjit Saini, Adam P Sharples, Nasser Al-Shanti, Claire E Stewart
Sarcopenic obesity is characterised by high fat mass, low muscle mass and an elevated inflammatory environmental milieu. We therefore investigated the effects of elevated inflammatory cytokine TNF-α (aging/obesity) and saturated fatty acid, palmitate (obesity) on skeletal muscle cells in the presence/absence of EPA, a-3 polyunsaturated fatty acid with proposed anti-inflammatory, anti-obesity activities. In the present study we show that palmitate was lipotoxic, inducing high levels of cell death and blocking myotube formation...
November 18, 2016: Biogerontology
https://www.readbyqxmd.com/read/27863957/ex-vivo-complexation-skin-permeation-interaction-and-cytodermal-toxicity-studies-of-p-tertbutylcalix-4-arene-nanoemulsion-for-radiation-decontamination
#14
Navneet Sharma, Himanshu Ojha, Dharam Pal Pathak, Rajeev Goel, Rakesh Kumar Sharma
AIMS: p-Tertbutylcalix [4]arene loaded nanoemulsion has been designed, characterized and evaluated for skin decontamination of radionuclides of interest in nuclear and radiological emergencies. Further, nanoemulsion was evaluated for Ex-vivo complexation, skin permeation, interaction and cytodermal toxicity. MATERIALS AND METHODS: Ex-vivo skin complexation studies were conducted using High-resolution sector field inductively coupled plasma mass spectroscopy (HR-SF-ICPMS)...
November 15, 2016: Life Sciences
https://www.readbyqxmd.com/read/27856272/comparative-evaluation-of-aggressiveness-traits-in-staphylococcal-strains-from-severe-infections-versus-nasopharyngeal-carriage
#15
Oana Săndulescu, Coralia Bleotu, Lilia Matei, Anca Streinu-Cercel, Mihaela Oprea, Elena Carmina Drăgulescu, Mariana Carmen Chifiriuc, Alexandru Rafila, Daniel Pirici, Daniela Tălăpan, Olga Mihaela Dorobăţ, Alina Cristina Neguţ, Dan Oţelea, Ioana Berciu, Daniela Adriana Ion, Irina Codiţă, Petre Iacob Calistru, Adrian Streinu-Cercel
Despite their commensal status, staphylococci can become problematic pathogens expressing multiple and redundant virulence factors. This study aimed to evaluate aggressiveness markers comparatively in staphylococcal strains isolated from severe infections versus asymptomatic carriage in order to identify clinically relevant bacterial traits that could easily be detected in clinical practice and could be suggestive for particular host-pathogen interactions such as cyto-adhesion or biofilm formation, ultimately orienting the clinical decision-making process...
November 14, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27845038/hypoxia-pretreatment-and-epo-modification-enhance-the-protective-effects-of-msc-on-neuron-like-pc12%C3%A2-cells-in-a-similar-way
#16
Jinli Feng, Wei Wang
Mesenchymal stem cells (MSC) based cell transplantation therapy is proved to be an attractive strategy with great potential for improvement of hypoxia induced neural damage. In the present study, MSCs were co-culture with PC12 to investigate its protective effects against hypoxia pretreatment, and the Lactate dehydrogenase (LDH) release assay, MTT and Anexin V staining were performed to analysis the cellular damage or apoptotic. RT-PCR and Western blotting were further used to investigate the underlying mechanism...
November 11, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27843711/iron-overload-induced-death-of-osteoblasts-in-vitro-involvement-of-the-mitochondrial-apoptotic-pathway
#17
Qing Tian, Shilei Wu, Zhipeng Dai, Jingjing Yang, Jin Zheng, Qixin Zheng, Yong Liu
BACKGROUND: Iron overload is recognized as a new pathogenfor osteoporosis. Various studies demonstrated that iron overload could induce apoptosis in osteoblasts and osteoporosis in vivo. However, the exact molecular mechanisms involved in the iron overload-mediated induction of apoptosis in osteoblasts has not been explored. PURPOSE: In this study, we attempted to determine whether the mitochondrial apoptotic pathway is involved in iron-induced osteoblastic cell death and to investigate the beneficial effect of N-acetyl-cysteine (NAC) in iron-induced cytotoxicity...
2016: PeerJ
https://www.readbyqxmd.com/read/27830999/the-potential-role-of-hematocrit-control-on-symptom-burden-among-polycythemia-vera-patients-insights-from-the-cyto-pv-and-mpn-saf-patient-cohorts
#18
Robyn Marie Scherber, Holly Lynn Geyer, Amylou C Dueck, Heidi E Kosiorek, Guido Finazzi, Riccardo Cavazzina, Arianna Masciulli, Marco Scarano, Alessandro M Vannucchi, Ruben A Mesa, Tiziano Barbui
Current guidelines suggest that polycythemia vera (PV) patients maintain a strict hematocrit less than 45%. However, to date, little is known about the relationship between HCT control and PV- related symptom burden. In this study, PV patient data was analyzed from the CYTO PV trial (n = 224) and the MPN-SAF study cohort (n = 645). No significant differences in symptom burden were seen at the 6 and 12 month follow-up when evaluating prospective hematocrit control in the CYTO PV cohort. Patients in the MPN-SAF cohort with a worst item score of greater than 5/10 on the Myeloproliferative Neoplasm Symptom Total Symptom Score had a significantly lower mean hematocrit (p = ...
November 10, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27829622/morphological-and-mechanical-properties-of-osteosarcoma-microenvironment-cells-explored-by-atomic-force-microscopy
#19
Xinlong Wang, Yingjun Yang, Xiaohong Hu, Naoki Kawazoe, Yingnan Yang, Guoping Chen
Cell mechanical properties that depend on cytoskeleton architecture are critical to the mechanotransduction process, and have great potential for cancer diagnosis and therapy. In this study, the morphological and mechanical properties of typical osteosarcoma microenvironment cells, including mesenchymal stem cells (MSC), normal human osteoblast cells (NHOst) and osteosarcoma cells (MG-63), were compared using atomic force microscopy (AFM). The MG-63 cells were smaller and thicker than the MSC and NHOst cells...
2016: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/27829172/disordered-app-metabolism-and-neurovasculature-in-trauma-and-aging-combined-risks-for-chronic-neurodegenerative-disorders
#20
REVIEW
Milos D Ikonomovic, Zhiping Mi, Eric E Abrahamson
Traumatic brain injury (TBI), advanced age, and cerebral vascular disease are factors conferring increased risk for late onset Alzheimer's disease (AD). These conditions are also related pathologically through multiple interacting mechanisms. The hallmark pathology of AD consists of pathological aggregates of amyloid-β (Aβ) peptides and tau proteins. These molecules are also involved in neuropathology of several other chronic neurodegenerative diseases, and are under intense investigation in the aftermath of TBI as potential contributors to the risk for developing AD and chronic traumatic encephalopathy (CTE)...
November 6, 2016: Ageing Research Reviews
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