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https://www.readbyqxmd.com/read/29334211/curcumin-and-quercetin-ameliorated-cypermethrin-and-deltamethrin-induced-reproductive-system-impairment-in-male-wistar-rats-by-upregulating-the-activity-of-pituitary-gonadal-hormones-and-steroidogenic-enzymes
#1
Poonam Sharma, Irshad Aslam Khan, Rambir Singh
Background: Dietary antioxidants protect tissues and organs against insecticides/xenobiotic-induced damage. In the present study, we evaluated the results of exposure to synthetic pyrethroid insecticides, cypermethrin (Cyp) and deltamethrin (Del) and possible protective effects of curcumin and quercetin on reproductive system in male Wistar rats. MATERIALS AND METHODS: In this controlled experimental study, 42 male Wistar rats were randomly divided into 7 groups of 6 animals...
April 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29331653/gallic-acid-attenuates-type-i-diabetic-nephropathy-in-rats
#2
Mayuresh Sudamrao Garud, Yogesh Anant Kulkarni
Literatures suggest that TGF-β1 have a central role in the progression of diabetic nephropathy and its down regulation can improve the disease condition. Oxidative stress, generation of advanced glycation end products and activation of renin angiotensin system are the connecting links between hyperglycemia and TGF-β1 over expression. Gallic acid is a phytochemical having wide range of biological activities. Gallic acid is reported to have antioxidant and advanced glycation inhibitory activity. It has also shown inhibitory effects on angiotensin converting enzyme...
January 10, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29314902/analytical-applications-of-lectins
#3
O D Hendrickson, A V Zherdev
This review is devoted to the analytical application of carbohydrate-binding proteins called lectins. The nature of lectins and the regularities of their specificity with respect to simple sugars and complex carbohydrate-containing biomolecules are discussed. The main areas of the modern analytical application of lectins are described. Lectin-affinity chromatography, histo- and cytochemical approaches, lectin blotting, microarray, and biosensor technologies as well as microplate analysis are considered in detail...
January 9, 2018: Critical Reviews in Analytical Chemistry
https://www.readbyqxmd.com/read/29307125/the-concordance-between-endoscopic-and-histological-diagnosis-in-114-dogs-affected-by-gastric-disease
#4
Maria Chiara Marchesi, Cecilia Carlotta Timpano, Sara Busechian, Camillo Pieramati, Fabrizio Rueca
Endoscopy is a common, minimally invasive diagnostic technique that can be used to observe internal organs, e.g. the stomach, and to obtain mucosal bioptic samples for histo pathological examination. The aim of this study was to analyse the concordance between endoscopic and histological evaluation of gastric diseases in dogs. One hundred twenty-nine medical records of dogs undergoing gastroscopy have been received and stored by the Veterinary Hospital of Perugia University (Perugia, Italy) between 2009-2012...
December 29, 2017: Veterinaria Italiana
https://www.readbyqxmd.com/read/29305721/paragangliomas-arise-through-an-autonomous-vasculo-angio-neurogenic-program-inhibited-by-imatinib
#5
Fabio Verginelli, Silvia Perconti, Simone Vespa, Francesca Schiavi, Sampath Chandra Prasat, Paola Lanuti, Alessandro Cama, Lorenzo Tramontana, Diana Liberata Esposito, Simone Guarnieri, Artenca Sheu, Mattia Russel Pantalone, Rosalba Florio, Annalisa Morgano, Cosmo Rossi, Giuseppina Bologna, Marco Marchisio, Andrea D'Argenio, Elisa Taschin, Rosa Visone, Giuseppe Opocher, Angelo Veronese, Carlo T Paties, Vinalogu K Rajasekhar, Cecilia Söderberg-Nauclér, Mario Sanna, Lavinia Vittoria Lotti, Renato Mariani-Costantini
Tumours can be viewed as aberrant tissues or organs sustained by tumorigenic stem-like cells that engage into dysregulated histo/organogenetic processes. Paragangliomas, prototypical organoid tumours constituted by dysmorphic variants of the vascular and neural tissues found in normal paraganglia, provide a model to test this hypothesis. To understand the origin of paragangliomas, we built a biobank comprising 77 cases, 18 primary cultures, 4 derived cell lines, 80 patient-derived xenografts and 11 cell-derived xenografts...
January 5, 2018: Acta Neuropathologica
https://www.readbyqxmd.com/read/29304015/development-of-a-surrogate-neutralization-assay-for-norovirus-vaccine-evaluation-at-the-cellular-level
#6
Xiaoli Wang, Shuxia Wang, Chao Zhang, Yu Zhou, Pei Xiong, Qingwei Liu, Zhong Huang
Noroviruses (NoVs) are the main pathogens responsible for sporadic and epidemic nonbacterial gastroenteritis, causing an estimated 219,000 deaths annually worldwide. There is no commercially available vaccine for NoVs, due partly to the difficulty in establishing NoV cell culture models. The histo-blood group antigen (HBGA) blocking assay is used extensively to assess the protective potential of candidate vaccine-elicited antibodies, but there is still no widely used cellular evaluation model. In this study, we have established a cell line-based NoV vaccine evaluation model through the construction of human α1,2-fucosyltransferase 2-overexpressing 293T (293T-FUT2) cell lines...
January 5, 2018: Viruses
https://www.readbyqxmd.com/read/29301335/interactions-between-enteric-bacteria-and-eukaryotic-viruses-impact-the-outcome-of-infection
#7
REVIEW
Angela K Berger, Bernardo A Mainou
Enteric viruses encounter a multitude of environments as they traverse the gastrointestinal tract. The interaction of enteric eukaryotic viruses with members of the host microbiota impacts the outcome of infection. Infection with several enteric viruses is impaired in the absence of the gut microbiota, specifically bacteria. The effects of bacteria on virus biology are diverse. Poliovirus capsid stability and receptor engagement are positively impacted by bacteria and bacterial lipopolysaccharides. Norovirus utilizes histo-blood group antigens produced by enteric bacteria to attach and productively infect B cells...
January 3, 2018: Viruses
https://www.readbyqxmd.com/read/29285387/breast-cancer-cases-of-female-patients-under-35-years-of-age-in-togo-a-series-of-158-cases
#8
Tchin Darré, Mazamaesso Tchaou, Koué Folligan, Abdoulatif Amadou, Bidamin N'Timon, Lantam Sonhaye, Abdoul-Samadou Aboubakari, Koffi Amégbor, Koffi Akpadza, Gado Napo Koura
Breast cancer in young female patients represents a public health problem in developing countries. The objectives of the study were to study the epidemiological and histological characteristics of breast cancer in female patients under 35 years of age. This was a retrospective analytical study of a series of 158 cases of breast cancer in female patients under 35 years of age, conducted at the University Teaching Hospital of Lomé between 2000 and 2015. A total of 158 cases were collected, representing 36.2% (436) of all breast cancer cases...
December 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29236289/assessment-of-cellular-and-serum-proteome-from-tongue-squamous-cell-carcinoma-patient-lacking-addictive-proclivities-for-tobacco-betel-nut-and-alcohol-case-study
#9
Sapna Khowal, Samar Husain Naqvi, Seema Monga, Swatantra Kumar Jain, Saima Wajid
The intriguing molecular pathways involved in oral carcinogenesis are still ambiguous. The oral squamous cell carcinoma (OSCC) ranks as the most common type constituting more than 90% of the globally diagnosed oral cancers cases. The elevation in the OSCC incidence rate during past ten years has an alarming impression on human healthcare. The major challenges associated with OSCC include delayed diagnosis, high metastatic rates, and low five-year survival rates. The present work foundations on reverse genetic strategy and involves the identification of genes showing expressional variability in an OSCC case lacking addictive proclivities for tobacco, betel nut and/or alcohol, major etiologies...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29234132/%C3%AE-mapps-a-novel-phasor-approach-to-second-harmonic-analysis-for-in-vitro-in-vivo-investigation-of-collagen-microstructure
#10
F Radaelli, L D'Alfonso, M Collini, F Mingozzi, L Marongiu, F Granucci, I Zanoni, G Chirico, L Sironi
Second Harmonic Generation (SHG) is a label-free imaging method used to monitor collagen organization in tissues. Due to its sensitivity to the incident polarization, it provides microstructural information otherwise unreachable by other intensity based imaging methods. We develop and test a Microscopic Multiparametric Analysis by Phasor projection of Polarization-dependent SHG (μMAPPS) that maps the features of the collagen architecture in tissues at the micrometer scale. μMAPPS retrieves pixel-by-pixel the collagen fibrils anisotropy and orientation by operating directly on two coupled phasor spaces, avoiding direct fitting of the polarization dependent SHG signal...
December 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29228676/genes-with-mutation-significance-were-highly-associated-with-the-clinical-pattern-of-patients-with-breast-cancer
#11
Wan-Jun Ding, Tao Zeng, Li-Jun Wang, Hong-Bo Lei, Wei Ge, Zhi Wang
In the United States, breast cancer is the second leading cause of cancer death in women. Over the past 20 years, breast cancer incidence and mortality rates increased rapidly in developing regions. We aimed to identify the gene mutation patterns that associated with the clinical patterns, including survival status, histo-pathological classes and so forth, of breast cancer. We retrieved 1098 cases of the clinical information, and level-3 legacy data of mRNA expression level, protein expression data and mutation files from GDC data portal...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29228641/brca-mutations-in-the-manifestation-and-treatment-of-ovarian-cancer
#12
REVIEW
Zimin Pan, Xing Xie
BRCA genes are important for the integrity and stability of genetic material and play key roles in repairing DNA breaks via high fidelity homologous recombination. BRCA mutations are known to predispose carriers to gynecological malignancies, accounting for a majority of hereditary OC cases. Known to be lethal, OC is difficult to detect and control. Testing for BRCA mutations is a key step in the risk assessment, prognosis, treatment and prevention of OC and current clinical guidelines recommend BRCA mutation testing for all OCs of epithelial origin...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221641/p53-expression-in-patients-with-renal-cell-carcinoma-correlates-with-a-higher-probability-of-disease-progression-and-increased-cancer-specific-mortality-after-surgery-but-does-not-enhance-the-predictive-accuracy-of-robust-outcome-models
#13
Laura Morshaeuser, Matthias May, Maximilian Burger, Wolfgang Otto, Georg C Hutterer, Martin Pichler, Tobias Klatte, Peter Wild, Lorenz Buser, Sabine Brookman-May
OBJECTIVE: Due to lacking external validation, molecular biomarkers are currently not applied for risk-stratification of patients with localized renal cell carcinoma. The objective of this study was to externally validate a molecular multi-marker panel included in a previously proposed prognostic nomogram for the prediction of postoperative disease-free survival. METHODS AND MATERIALS: Besides pathologic tumor stage (pT) and ECOG-Performance Status, the nomogram includes 5 molecular markers (Ki-67, p53, VEGFR-1 endothelial or epithelial, and VEGF-D epithelial)...
December 5, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/29218997/causes-of-impaired-oral-vaccine-efficacy-in-developing-countries
#14
Edward Pk Parker, Sasirekha Ramani, Benjamin A Lopman, James A Church, Miren Iturriza-Gómara, Andrew J Prendergast, Nicholas C Grassly
Oral vaccines are less immunogenic when given to infants in low-income compared with high-income countries, limiting their potential public health impact. Here, we review factors that might contribute to this phenomenon, including transplacental antibodies, breastfeeding, histo blood group antigens, enteric pathogens, malnutrition, microbiota dysbiosis and environmental enteropathy. We highlight several clear risk factors for vaccine failure, such as the inhibitory effect of enteroviruses on oral poliovirus vaccine...
December 8, 2017: Future Microbiology
https://www.readbyqxmd.com/read/29207785/role-of-sonographic-gray-scale-pattern-recognition-in-the-diagnosis-of-adnexal-masses
#15
Jyothi Shetty, Grishma Reddy, Deeksha Pandey
Introduction: Characterization of adnexal masses as benign or malignant is of utmost importance for optimal management and prognostication. Ultrasound examination plays an important role in the differentiation of adnexal masses. Various sonographic characteristics have been recognised to differentiate benign and malignant adnexal masses. Subjective evaluation of gray-scale ultrasound images by an experienced ultrasound examiner to discriminate adnexal masses is known as "pattern recognition"...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29187537/host-specific-glycans-are-correlated-with-susceptibility-to-infection-by-lagoviruses-but-not-with-their-virulence
#16
Ana M Lopes, Adrien Breiman, Mónica Lora, Béatrice Le Moullac-Vaidye, Oxana Galanina, Kristina Nyström, Stephane Marchandeau, Ghislaine Le Gall-Reculé, Tanja Strive, Aleksija Neimanis, Nicolai V Bovin, Nathalie Ruvoën-Clouet, Pedro J Esteves, Joana Abrantes, Jacques Le Pendu
The rabbit hemorrhagic disease virus (RHDV) and the European brown hare syndrome virus (EBHSV) are two lagoviruses from the family Caliciviridae that cause fatal diseases in two leporid genera, Oryctolagus and Lepus, respectively. In the last few years, several examples of host jumps of lagoviruses among leporids were recorded. In addition, a new pathogenic genotype of RHDV emerged and many non-pathogenic strains of lagoviruses have been described. The molecular mechanisms behind host shifts and the emergence of virulence are unknown...
November 29, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29154376/post-irradiation-vaginal-spindle-cell-sarcoma
#17
A Kalogeraki, C Ximeris, V Ximeri, D Tamiolakis, G Milaki, M Kafousi
The genetic profile is one of the major possible causes of spindle cell sarcoma. Irradiation has also been linked to this type of cancer. This means that if tissues have already been irradiated for other types of cancer, they can afterwards develop this form of sarcoma. Also, previous radiotherapy can determine specific genetic alterations, which result to uncontrolled cell division, that is neoplasia. We report one such cause in a female patient 80 years old with a uterus adenocarcinoma (endometrioid type) FIGO Stage IC, who had been treated with surgical resection and pelvic irradiation...
September 2017: Pathologica
https://www.readbyqxmd.com/read/29153364/application-of-arterial-spin-labeling-perfusion-mri-to-differentiate-benign-from-malignant-intracranial-meningiomas
#18
Xin J Qiao, Hyun Grace Kim, Danny J J Wang, Noriko Salamon, Michael Linetsky, Ali Sepahdari, Benjamin M Ellingson, Whitney B Pope
PURPOSE: Differentiating WHO grade I-III of meningioma by non-invasive imaging is challenging. This study investigated the potential of MR arterial spin labeling (ASL) to establish tumor grade in meningioma patients. MATERIAL AND METHODS: Pseudo-continuous ASL with 3D background suppressed gradient and spin echo (GRASE) was acquired on 54 patients with newly diagnosed or recurrent intracranial meningioma. Perfusion patterns characterized in CBF color maps were independently evaluated by three neuroradiologists blinded to patient history, and correlated with tumor grade from histo-pathological review...
December 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/29145482/combination-of-ultrasound-and-rtpa-enhances-fibrinolysis-in-an-in-vitro-clot-system
#19
Julia Masomi-Bornwasser, Philipp Winter, Hendrik Müller-Werkmeister, Susanne Strand, Jochem König, Oliver Kempski, Florian Ringel, Sven R Kantelhardt, Naureen Keric
BACKGROUND: Catheter-based lysis with recombinant tissue plasminogen activator (rtPA) is a well-established therapy for spontaneous intracerebral hemorrhage (ICH). The effectiveness of this therapy can be increased with ultrasound, but the optimal conditions are not yet clearly established. Using a novel in vitro system of blood clots previously developed by our group, we investigated various parameters of intralesional sonothrombolysis using an endosonography catheter in combination with rtPA...
2017: PloS One
https://www.readbyqxmd.com/read/29140444/safety-and-immunogenicity-of-different-formulations-of-norovirus-vaccine-candidate-in-healthy-adults-a-randomized-controlled-double-blind-clinical-trial
#20
G Leroux-Roels, J P Cramer, P M Mendelman, J Sherwood, R Clemens, A Aerssens, I De Coster, A Borkowski, F Baehner, P Van Damme
Background: We investigated safety and immunogenicity of 1-2 doses of different bivalent virus-like particle (VLP) norovirus vaccine candidate (NoV) formulations in healthy 18-64-year-olds. Methods: On Days 1 and 28 participants (n=420) randomized to 14 equal groups received intramuscular control vaccine (hepatitis A) or one of 11 NoV formulations contained varying dosages of GI.1 and GII.4c genotype VLP antigens with Al(OH)3, and 0μg, 15μg or 50μg MPL. Immunogenicity was assessed on Days 1, 28, 56, 208 and 393...
November 13, 2017: Journal of Infectious Diseases
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