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https://www.readbyqxmd.com/read/29452850/evaluation-of-dot-blot-test-for-serological-diagnosis-of-bovine-brucellosis
#1
Carla Resende Bastos, Luis Antonio Mathias, Márcia Mariza Gomes Jusi, Renata Ferreira Dos Santos, Glaucenyra Cecília Pinheiro da Silva, Marcos Rogério André, Rosangela Zacarias Machado, Karina Paes Bürger
The objective of this study was to standardize and validate the dot-blot test for the serological diagnosis of bovine brucellosis, compare the results with those found in the 2-mercaptoethanol (2-ME) and complement fixation test (CF), and estimate the relative sensitivity and specificity of the dot-blot compared to these tests. Fifty bovine blood serum samples were used for the test standardization, and 1315 samples were used for evaluation and comparison between the tests; the results were compared using the Kappa indicator...
February 13, 2018: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/29452619/monitoring-response-to-therapy
#2
REVIEW
Mike M Sathekge, Alfred O Ankrah, Ismaheel Lawal, Mariza Vorster
Monitoring response to treatment is a key element in the management of infectious diseases, yet controversies still persist on reliable biomarkers for noninvasive response evaluation. Considering the limitations of invasiveness of most diagnostic procedures and the issue of expression heterogeneity of pathology, molecular imaging is better able to assay in vivo biologic processes noninvasively and quantitatively. The usefulness of 18 F-FDG-PET/CT in assessing treatment response in infectious diseases is more promising than for conventional imaging...
March 2018: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/29452616/tuberculosis
#3
REVIEW
Alfred O Ankrah, Andor W J M Glaudemans, Alex Maes, Christophe Van de Wiele, Rudi A J O Dierckx, Mariza Vorster, Mike M Sathekge
Tuberculosis (TB) is currently the world's leading cause of infectious mortality. Imaging plays an important role in the management of this disease. The complex immune response of the human body to Mycobacterium tuberculosis results in a wide array of clinical manifestations, making clinical and radiological diagnosis challenging. 18 F-FDG-PET/CT is very sensitive in the early detection of TB in most parts of the body; however, the lack of specificity is a major limitation. 18 F-FDG-PET/CT images the whole body and provides a pre-therapeutic metabolic map of the infection, enabling clinicians to accurately assess the burden of disease...
March 2018: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/29371900/development-and-evaluation-of-a-blog-about-cleft-lip-and-cleft-palate-and-hearing
#4
Luciana Paula Maximino, Ticiana Cristina de Freitas Zambonato, Mirela Machado Picolini-Pereira, Camila de Castro Corrêa, Mariza Ribeiro Feniman, Wanderléia Quinhoneiro Blasca
Introduction  Cleft lip and cleft palate can result in impairments in communication, specifically in hearing, making the use of technological resources such as blogs a fundamental guideline for health professionals. Objective  The aim of this study was to prepare and analyze the access to a blog about cleft lip and cleft palate and hearing as a pedagogical tool for health professionals. Methods  The first stage for the development of the blog was the selection of the content that would be addressed and the respective illustrations...
January 2018: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/29331819/new-strategy-for-determination-of-anthocyanins-polyphenols-and-antioxidant-capacity-of-brassica-oleracea-liquid-extract-using-infrared-spectroscopies-and-multivariate-regression
#5
Isadora R N de Oliveira, Jussara V Roque, Mariza P Maia, Paulo C Stringheta, Reinaldo F Teófilo
A new method was developed to determine the antioxidant properties of red cabbage extract (Brassica oleracea) by mid (MID) and near (NIR) infrared spectroscopies and partial least squares (PLS) regression. A 70% (v/v) ethanolic extract of red cabbage was concentrated to 9° Brix and further diluted (12 to 100%) in water. The dilutions were used as external standards for the building of PLS models. For the first time, this strategy was applied for building multivariate regression models. Reference analyses and spectral data were obtained from diluted extracts...
January 4, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29324916/a-comparison-of-18f-fdg-pet-ct-findings-in-hiv-positive-compared-to-hiv-negative-patients-with-recurrent-cervical-cancer
#6
Kehinde Ololade, Neo P Mokgoro, Ismaheel O Lawal, Mariza Vorster, Tebatso G Boshomane, Mike M Sathekge
OBJECTIVE: HIV-positive women with cervical cancer have higher recurrence and death rates with shorter time to recurrence and death compared with HIV-negative subjects. The objective of this study was to compare the recurrence patterns in HIV-positive women with invasive cervical cancer to their HIV-negative counterparts using 18F-FDG PET/CT. SUBJECTS AND METHODS: We evaluated 40 HIV- seropositive and 79 HIV-seronegative patients with recurrent cervical carcinoma using 18F-FDG PET/CT...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29320313/acute-radiologic-manifestations-of-america-s-opioid-epidemic
#7
David D B Bates, Katherine Gallagher, HeiShun Yu, Jennifer Uyeda, Akira M Murakami, Bindu N Setty, Stephan W Anderson, Mariza O Clement
The United States is in the midst of an opioid use epidemic, which has severe medical, social, and economic consequences. Addictions to and abuse of prescription and illicit opioids are increasing, and emergency department radiologists are increasingly being faced with the task of examining patients who present with opioid-related complications. These complications may be the result of direct drug toxicity or nonsterile injection of the drugs. Neurologic, musculoskeletal, cardiopulmonary, genitourinary, and gastrointestinal complications may be evident at diagnostic imaging in emergent settings...
January 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29309300/reappraisal-of-morphologic-differences-between-renal-medullary-carcinoma-collecting-duct-carcinoma-and-fumarate-hydratase-deficient-renal-cell-carcinoma
#8
Chisato Ohe, Steven C Smith, Deepika Sirohi, Mukul Divatia, Mariza de Peralta-Venturina, Gladell P Paner, Abbas Agaimy, Mitual B Amin, Pedram Argani, Ying-Bei Chen, Liang Cheng, Maurizio Colecchia, Eva Compérat, Isabela Werneck da Cunha, Jonathan I Epstein, Anthony J Gill, Ondřej Hes, Michelle S Hirsch, Wolfram Jochum, Lakshmi P Kunju, Fiona Maclean, Cristina Magi-Galluzzi, Jesse K McKenney, Rohit Mehra, Gabriella Nesi, Adeboye O Osunkoya, Maria M Picken, Priya Rao, Victor E Reuter, Paulo Guilherme de Oliveira Salles, Luciana Schultz, Satish K Tickoo, Scott A Tomlins, Kiril Trpkov, Mahul B Amin
Renal medullary carcinomas (RMCs) and collecting duct carcinomas (CDCs) are rare subsets of lethal high-stage, high-grade distal nephron-related adenocarcinomas with a predilection for the renal medullary region. Recent findings have established an emerging group of fumarate hydratase (FH)-deficient tumors related to hereditary leiomyomatosis and renal cell carcinoma (HLRCC-RCCs) syndrome within this morphologic spectrum. Recently developed, reliable ancillary testing has enabled consistent separation between these tumor types...
January 5, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29304083/combined-evaluation-of-sexually-transmitted-infections-in-hiv-infected-pregnant-women-and-infant-hiv-transmission
#9
RANDOMIZED CONTROLLED TRIAL
Kristina Adachi, Jiahong Xu, Nava Yeganeh, Margaret Camarca, Mariza G Morgado, D Heather Watts, Lynne M Mofenson, Valdilea G Veloso, Jose Henrique Pilotto, Esau Joao, Glenda Gray, Gerhard Theron, Breno Santos, Rosana Fonseca, Regis Kreitchmann, Jorge Pinto, Marisa M Mussi-Pinhata, Mariana Ceriotto, Daisy Maria Machado, Yvonne J Bryson, Beatriz Grinsztejn, Jack Moye, Jeffrey D Klausner, Claire C Bristow, Ruth Dickover, Mark Mirochnick, Karin Nielsen-Saines
BACKGROUND: Sexually transmitted infections (STIs) including Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG), Treponema pallidum (TP), and cytomegalovirus (CMV) may lead to adverse pregnancy and infant outcomes. The role of combined maternal STIs in HIV mother-to-child transmission (MTCT) was evaluated in mother-infant pairs from NICHD HPTN 040. METHODOLOGY: Urine samples from HIV-infected pregnant women during labor were tested by polymerase chain reaction (PCR) for CT, NG, and CMV...
2018: PloS One
https://www.readbyqxmd.com/read/29284716/burden-of-early-term-birth-on-adverse-infant-outcomes-a-population-based-cohort-study-in-brazil
#10
Maria do Carmo Leal, Ana Paula Esteves-Pereira, Marcos Nakamura-Pereira, Rosa Maria Soares Madeira Domingues, Marcos Augusto Bastos Dias, Maria Elisabeth Moreira, Mariza Theme-Filha, Silvana Granado Nogueira da Gama
OBJECTIVES: To estimate the national rate of early-term live births in Brazil and to evaluate the effect of birth at 37 and 38 weeks' gestation, as compared with 39 and 40 weeks' gestation on infant outcomes according to precursors of birth and the existence of maternal/fetal medical conditions. DESIGN: National perinatal population-based cohort study. SETTING: 266 maternity services located in the five Brazilian macroregions. PARTICIPANTS: 18 652 singleton live newborns from 37 0/7 to 40 6/7 weeks of gestation...
December 27, 2017: BMJ Open
https://www.readbyqxmd.com/read/29232247/salivary-gland-activity-obscures-mandibular-metastasis-of-prostate-carcinoma-on-68ga-prostate-specific-membrane-antigen-pet
#11
Thabo Lengana, Ismaheel Lawal, Tebatso Boshomane, Kehinde Ololade, Florette Reyneke, Chimbabantiu Kaoma, Neo Mokgoro, Mariza Vorster, Mike Sathekge
We report a case of a 65-year-old man with prostate cancer; his treatment history included radical prostatectomy followed by radiation therapy and subsequent androgen deprivation therapy for more than 5 years. He currently presented with a history of rising prostate-specific antigen and complained of jaw aches. Ga-prostate-specific membrane antigen PET/CT study performed for suspected biochemical recurrence demonstrated vertebral lesions and lesion in his jaw. Subsequent biopsy of jaw lesion demonstrated prostate cancer metastases...
February 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29189131/past-and-future-of-ga-citrate-for-infection-and-inflammation-imaging
#12
Mariza Vorster, J Buscombe, Ziauddin Saad, Mike Sathekge
Both 67Ga and 68Ga-citrates are used to detect a wide spectrum of pathology consisting of various inflammatory, infectious and malignant conditions. Considering the now widespread availability and constantly increasing demand for PET/CT studies,68Ga-citrate is gaining ground in clinical settings and the added value of combined metabolic and anatomical imaging achieved by combining PET with computed tomography (CT) to PET/CT makes 68Ga-citrate particularly promising. Despite the tracer's non-specificity, it has demonstrated potential especially in the evaluation of various infectious and inflammatory skeletal- and lung conditions...
November 29, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29151156/deep-rnaseq-indicates-protective-mechanisms-of-cold-tolerant-indica-rice-plants-during-early-vegetative-stage
#13
Raul Antonio Sperotto, Artur Teixeira de Araújo Junior, Janete Mariza Adamski, Denise Cargnelutti, Felipe Klein Ricachenevsky, Ben-Hur Neves de Oliveira, Renata Pereira da Cruz, Rinaldo Pires Dos Santos, Leila Picolli da Silva, Janette Palma Fett
Cold-tolerance in rice may be related to increased cellulose deposition in the cell wall, membrane fatty acids unsaturation and differential expression of several newly identified genes. Low temperature exposure during early vegetative stages limits rice plant's growth and development. Most genes previously related to cold tolerance in rice are from the japonica subspecies. To help clarify the mechanisms that regulate cold tolerance in young indica rice plants, comparative transcriptome analysis of 6 h cold-treated (10 °C) leaves from two genotypes, cold-tolerant (CT) and cold-sensitive (CS), was performed...
November 18, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29150404/stress-hormones-concentrations-in-the-normal-microenvironment-predict-risk-for-chemically-induced-cancer-in-rats
#14
Vitor Bonetti Valente, Flávia Alves Verza, Felipe Yudi Kabeya Lopes, Joana Zafalon Ferreira, Paulo Sérgio Patto Dos Santos, Maria Lúcia Marçal Mazza Sundefeld, Éder Ricardo Biasoli, Glauco Issamu Miyahara, Ana Maria Pires Soubhia, Mariza de Andrade, Sandra Helena Penha de Oliveira, Daniel Galera Bernabé
Evidence show that stress hormones can influence cancer progression, but its role in carcinogenesis is poorly understood. In this study, we used a new method based on oral carcinogenesis model in rats to test the hypothesis that physiological levels of stress hormones in the normal tissue microenvironment would have significant predictive value for chemically induced cancer occurrence. Male Wistar rats were submitted to a tongue biopsy for measuring not-stress induced levels of norepinephrine, corticosterone, adrenocorticotropic hormone (ACTH) and brain-derived neurotrophic factor (BDNF) in the tissue before carcinogenic induction...
November 8, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29145302/burkitt-lymphoma-and-cavernous-sinus-syndrome-with-breast-uptake-on-18f-fdg-pet-ct-a-case-report
#15
Florette Reyneke, Neo Mokgoro, Mariza Vorster, Mike Sathekge
RATIONALE: Burkitt lymphoma (BL) is a type of non-Hodgkin lymphoma that arises in the B-cells. Cavernous sinus involvement is rare, especially in adults. Here we report an unusual case of a 30-year-old HIV-positive woman with BL and cavernous sinus syndrome who also had intense bilateral breast uptake, related to menstrual cycle. Fluorine-18 2-fluoro-2-deoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) has been found to be useful in the management of BL. PATIENT CONCERNS: A 30-year old female patient presented with a history of diplopia and headache...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29135460/evaluation-of-the-antimicrobial-activity-and-cytotoxic-effect-of-hydroxyapatite-containing-brazilian-propolis
#16
Antonio Márcio Scatolini, Silvana Marina Piccoli Pugine, Luci Cristina de Oliveira Vercik, Mariza Pires de Melo, Eliana Cristina da Silva Rigo
The aim of this work was to produce hydroxyapatite powder (HA) containing dry extract of green and red propolis, and to evaluate possible bactericidal activity of the materials in a short period of time through a fast release system. The ethanolic extracts of green and red propolis (EEP) were incorporated into the material by spray drying. After release tests, powders containing dry EEP were characterized regarding the content of total phenolics and flavonoids. Materials characterization was made by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR)...
November 14, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/29101444/-68-ga-psma-11-pet-ct-in-primary-staging-of-prostate-carcinoma-preliminary-results-on-differences-between-black-and-white-south-africans
#17
Mike Sathekge, Thabo Lengana, Alex Maes, Mariza Vorster, JanRijn Zeevaart, Ismaheel Lawal, Thomas Ebenhan, Christophe Van de Wiele
PURPOSE: The incidence of prostate cancer is 60% higher and the mortality rate is two- to three-times greater in black versus white men. We report on differences in (68)Ga-PSMA-11 PET/CT imaging findings in 77 black South-African (BSAs) and 18 white South-African (WSAs) treatment-naïve primary prostate carcinoma (PPC) patients. METHODS: (68)Ga-PSMA-11 PET/CT imaging findings were compared to histological, biochemical and morphological imaging data. Patients were grouped into three Gleason grade groups (GG), GG 1 (scores 3 + 3 and 3 + 4), GG2 (scores 4 + 3 and 4 + 4) and GG3 (scores 9 and 10), and the PSA difference among the groups was determined...
November 4, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29055060/gonadotropin-releasing-hormone-agonists-for-ovarian-protection-during-cancer-chemotherapy-systematic-review-and-meta-analysis
#18
REVIEW
J C Senra, M Roque, M C T Talim, F M Reis, R L C Tavares
OBJECTIVE: To evaluate the effectiveness of gonadotropin-releasing hormone agonist (GnRHa) administration before and/or during cancer chemotherapy for the protection of ovarian reserve in premenopausal women without prior diagnosis of infertility. METHODS: This was a systematic review and meta-analysis of randomized controlled trials (RCTs) comparing administration of GnRHa before and/or during chemotherapy vs chemotherapy alone. Eligible participants were premenopausal women at any stage of cancer, without previous diagnosis of infertility...
January 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29040580/cohort-profile-the-mother-child-cohort-in-crete-greece-rhea-study
#19
Leda Chatzi, Vasiliki Leventakou, Marina Vafeiadi, Katerina Koutra, Theano Roumeliotaki, Georgia Chalkiadaki, Marianna Karachaliou, Vasiliki Daraki, Andriani Kyriklaki, Mariza Kampouri, Eleni Fthenou, Katerina Sarri, Maria Vassilaki, Maria Fasoulaki, Panos Bitsios, Antonis Koutis, Euripides G Stephanou, Manolis Kogevinas
No abstract text is available yet for this article.
October 1, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29039968/characteristics-biological-properties-and-analytical-methods-of-ursolic-acid-a-review
#20
Andressa Maria Pironi, Patricia Rocha de Araújo, Mariza Aires Fernandes, Hérida Regina Nunes Salgado, Marlus Chorilli
Ursolic acid (UA) is a naturally occurring triterpenoid which is a promising candidate for the development of new therapeutic approaches and for the prevention and treatment of several diseases owing to its pharmacological importance. However, its low solubility in aqueous medium affects its therapeutic application. Several strategies have been used to overcome this obstacle. In this study, the incorporation of UA in to different drug delivery systems was found to be highly efficient. In addition, important investigations were performed about methods for qualitative and quantitative analyses of UA in various raw materials, including plants, biological fluids, and drug delivery systems, were investigated...
October 17, 2017: Critical Reviews in Analytical Chemistry
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