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https://www.readbyqxmd.com/read/28738440/issr-derived-species-specific-scar-marker-for-rapid-and-accurate-authentication-of-ocimum-tenuiflorum-l
#1
Amit Kumar, Vereena Rodrigues, Priyanka Mishra, Kuppusamy Baskaran, Ashutosh K Shukla, Ajit K Shasany, Velusamy Sundaresan
Ocimum tenuiflorum has been widely used in traditional medicine and has high medicinal value. High volume trade of this potential medicinal plant species led to unscrupulous adulteration of both crude drugs as well as formulations. Morphology-based authentication is difficult in cases of incomplete or damaged samples and in dried herbal materials. In such cases, PCR-based molecular methods may aid in accurate identification. The present study aimed at developing species-specific DNA marker(s) for the authentication of O...
July 24, 2017: Planta Medica
https://www.readbyqxmd.com/read/28730766/comparison-of-prognosis-and-clinical-features-between-synchronous-bilateral-and-unilateral-breast-cancers
#2
Yusuf Karakas, Neyran Kertmen, Sahin Lacin, Alma Aslan, Metin Demir, Ozturk Ates, Sercan Aksoy, Kadri Altundag
PURPOSE: The clinical significance of synchronous bilateral breast cancer (SBBC) is unclear and its influence on prognosis is controversial. Our study objective was to determine the epidemiological features, tumor characteristics, and prognosis of SBBC in comparison with those of unilateral breast cancer (UBC). METHODS: A total of 3675 breast cancer patients diagnosed and treated between 2000 and 2014 were evaluated. Of these patients, 132 (3.6%) had bilateral breast cancer, including 55 patients (1...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28688231/exosomes-of-invasive-urothelial-carcinoma-cells-are-characterized-by-a-specific-mirna-expression-signature
#3
Sophie Baumgart, Sebastian Hölters, Carsten-Henning Ohlmann, Rainer Bohle, Michael Stöckle, Marie Stampe Ostenfeld, Lars Dyrskjøt, Kerstin Junker, Joana Heinzelmann
Muscle-invasive bladder cancer (MIBC) represents a highly aggressive tumor type compared to non-muscle-invasive tumors. MIBC is characterized by specific molecular alterations, which may also modulate extracellular tumorigenic effects. Tumor-associated exosomes, especially exosomal miRNAs, are important regulators in the interaction between tumor cells and tumor microenvironment by affecting tumor-promoting processes in target cells. It is important to analyze whether their exosomal patterns also reflect the specific molecular characteristics of MIBC...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28684549/higher-urinary-bpa-concentration-and-excessive-iodine-intake-are-associated-with-ng-and-ptc
#4
Zhenzhen Zhou, Jing Zhang, Fang Jiang, Yan Xie, Xiaochen Zhang, Ling Jiang
In this study, we investigated whether bisphenol A (BPA) levels and excessive iodine intake were associated with papillary thyroid carcinoma (PTC) and nodular goiter (NG). We determined total BPA concentrations (TBC) in paired serum and urine samples, and urinary iodine concentrations (UIC) in urine samples collected from PTC patients, NG patients, and healthy individuals, then compared BPA concentrations and UIC within and between each patient group. The results showed that there was no gender-specific differences in serum TBC and UIC in each group, and no differences across all patient groups...
July 6, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28683471/non-invasive-prediction-of-recurrence-in-bladder-cancer-by-detecting-somatic-tert-promoter-mutations-in-urine
#5
Françoise Descotes, Norelyakin Kara, Myriam Decaussin-Petrucci, Eric Piaton, Florence Geiguer, Claire Rodriguez-Lafrasse, Jean E Terrier, Jonathan Lopez, Alain Ruffion
BACKGROUND: Urothelial bladder cancer (UBC) is characterised by a high risk of recurrence. Patient monitoring is currently based on iterative cystoscopy and on urine cytology with low sensitivity in non-muscle-invasive bladder cancer (NMIBC). Telomerase reverse transcriptase (TERT) is frequently reactivated in UBC by promoter mutations. METHODS: We studied whether detection of TERT mutation in urine could be a predictor of UBC recurrence and compared this to cytology/cystoscopy for patient follow-up...
July 6, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28671258/selection-of-candidate-reference-genes-and-validation-for-real-time-pcr-studies-in-rice-plants-exposed-to-low-temperatures
#6
P A Auler, L C Benitez, M N do Amaral, I L Vighi, G S Rodrigues, L C da Maia, E J B Braga
Rice is a cereal that presents a great ability to adapt to different soil and climate conditions. However, as it is a tropical crop with C3 metabolism, it performs better in warm temperatures with high solar radiation. Tolerance to stress caused by low temperatures is a highly complex process that involves various metabolic pathways and cellular compartments, resulting in general or specific effects on plant growth and development. In order to observe the true effect of a particular stress on genetic expression, reference genes need to be chosen for real-time PCRs, the expression levels of which should remain stable independent of the situation imposed...
June 29, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28661309/background-checks-for-all-gun-buyers-and-gun-violence-restraining-orders-state-efforts-to-keep-guns-from-high-risk-persons
#7
Jon S Vernick, Ted Alcorn, Joshua Horwitz
There were more than 36,000 firearm-related deaths in the U.S. in 2015. Under federal law, a background check is required only for gun purchases from licensed dealers. Research suggests that some persons prohibited from owning a gun turn to private sellers, including those identified online, to attempt to obtain a firearm. State-level approaches to make it more difficult for high-risk persons to purchase or possess firearms include universal background check (UBC) and gun violence restraining order (GVRO) laws...
March 2017: Journal of Law, Medicine & Ethics: a Journal of the American Society of Law, Medicine & Ethics
https://www.readbyqxmd.com/read/28656000/oncogenic-protein-kinase-d3-regulating-networks-in-invasive-breast-cancer
#8
Yan Liu, Jian Li, Jun Zhang, Zhenghong Yu, Shiyi Yu, Lele Wu, Yuzhi Wang, Xue Gong, Chenxi Wu, Xiuxiu Cai, Lin Mo, Mingya Wang, Jun Gu, Liming Chen
Protein Kinase D3 (PRKD3) functions as an important oncogenic driver in invasive breast cancer, which is the leading cause of women mortality. However, PRKD3 regulating network is largely unknown. In this study, we systematically explored PRKD3 regulating networks via investigating phosphoproteome, interactome and transcriptome to uncover the molecular mechanism of PRKD3 in invasive breast cancer. Using iTRAQ, 270 proteins were identified as PRKD3 regulated phosphoproteins from 4619 phosphosites matching 3666 phosphopeptides from 2016 phosphoproteins with p-value <0...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28598997/selection-of-reference-genes-for-quantitative-real-time-rt-pcr-assays-in-different-morphological-forms-of-dimorphic-zygomycetous-fungus-benjaminiella-poitrasii
#9
Ejaj K Pathan, Vandana Ghormade, Mukund V Deshpande
Benjaminiella poitrasii, a dimorphic non-pathogenic zygomycetous fungus, exhibits a morphological yeast (Y) to hypha (H) reversible transition in the vegetative phase, sporangiospores (S) in the asexual phase and zygospores (Z) in the sexual phase. To study the gene expression across these diverse morphological forms, suitable reference genes are required. In the present study, 13 genes viz. ACT, 18S rRNA, eEF1α, eEF-Tu,eIF-1A, Tub-α, Tub-b, Ubc, GAPDH, Try, WS-21, NADGDH and NADPGDH were evaluated for their potential as a reference, particularly for studying gene expression during the Y-H reversible transition and also for other asexual and sexual life stages of B...
2017: PloS One
https://www.readbyqxmd.com/read/28584690/unusual-patterns-of-thoracic-metastasis-of-urinary-bladder-carcinoma
#10
Robert Hiensch, Habtamu Belete, Mahsan Rashidfarokhi, Irene Galperin, Fouzia Shakil, Oleg Epelbaum
Urinary bladder carcinoma (UBC) is the ninth most common malignancy and the second most common urological malignancy after prostate cancer in men. Thoracic metastases occur in more than half of those with muscle-invasive disease, and these generally assume the form of multiple solid parenchymal lesions characteristic of hematogenous seeding of the lung. Unusual patterns of thoracic spread of UBC have also been described albeit sporadically in the form of case reports and series. The aim of our case series is to provide illustrations of several atypical patterns of thoracic involvement by UBC such as isolated mediastinal lymphadenopathy, cavitary lung metastases, malignant pleural effusion, endobronchial disease, and pulmonary tumor embolism...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28581337/electroporation-mediated-gene-delivery-of-surfactant-protein-b-sp-b-restores-expression-and-improves-survival-in-mouse-model-of-sp-b-deficiency
#11
Rebecca C Barnett, Xin Lin, Michael Barravecchia, Rosemary A Norman, Karen L de Mesy Bentley, Fabeha Fazal, Jennifer L Young, David A Dean
Surfactant Protein B Deficiency is a rare but lethal monogenetic, congenital lung disease of the neonate that is unresponsive to any treatment except lung transplantation. Based on the potential that gene therapy offers to treat such intractable diseases, our objective was to test whether an electroporation-based gene delivery approach could restore surfactant protein B expression and improve survival in a compound knockout mouse model of surfactant protein B deficiency. Surfactant protein B expression can be shut off in these mice upon withdrawl of doxycycline, resulting in decreased levels of surfactant protein B within four days and death due to lung dysfunction within four to seven days...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28572497/ubc-nepal-expedition-markedly-lower-cerebral-blood-flow-in-high-altitude-sherpa-children-compared-to-children-residing-at-sea-level
#12
Daniela Flück, Laura Emily Morris, Shailesh Niroula, Christine M Tallon, Kami T Sherpa, Mike Stembridge, Philip N Ainslie, Ali Mary McManus
Developmental cerebral hemodynamic adaptations to chronic high altitude exposure, such as in the Sherpa population, are largely unknown. To examine hemodynamic adaptations in the developing human brain, we assessed common carotid (CCA), internal carotid (ICA) and vertebral artery (VA) flow and middle cerebral artery (MCA) velocity in 25 (9.6±1.0 y, 129±9 cm, 27±8 kg, 14 girls) Sherpa children (3800m, Nepal) and 25 (9.9±0.7 y, 143±7 cm, 34±6 kg, 14 girls) age-matched sea-level children (344m, Canada) during supine rest...
June 1, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28559905/validation-of-suitable-reference-genes-for-rt-qpcr-data-in-achyranthes-bidentata-blume-under-different-experimental-conditions
#13
Jinting Li, Xueping Han, Can Wang, Wanzhen Qi, Weiyu Zhang, Li Tang, Xiting Zhao
Real-time quantitative polymerase chain reaction (RT-qPCR) is a sensitive technique for gene expression studies. However, choosing the appropriate reference gene is essential to obtain reliable results for RT-qPCR assays. In the present work, the expression of eight candidate reference genes, EF1-α (elongation factor 1-α), GAPDH (glyceraldehyde 3-phosphate dehydrogenase), UBC (ubiquitin-conjugating enzyme), UBQ (polyubiquitin), ACT (actin), β-TUB (β-tubulin), APT1 (adenine phosphoribosyltransferase 1), and 18S rRNA (18S ribosomal RNA), was evaluated in Achyranthes bidentata samples using two algorithms, geNorm and NormFinder...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28540249/liquid-biopsies-for-bladder-cancer
#14
EDITORIAL
Douglas G Ward, Richard T Bryan
The development of accurate urinary biomarkers for the non-invasive detection of urothelial bladder cancer (UBC) could transform patient pathways by reducing reliance on cystoscopy, and the identification of highly prognostic (or even predictive) biomarkers could better guide patient management. A number of approaches are being utilised to address these challenges in both urinary- and plasma-borne tumour DNA (tDNA), so-called "liquid biopsies". Next generation sequencing (NGS) and droplet digital PCR (ddPCR) allow detection of very low levels of such tDNA amongst a large excess of non-tumour DNA, the former permitting large mutation panels to be assessed and the latter potentially identifying ultrarare mutant alleles yet restricted for multiplexing...
April 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28534984/ccl21-ccr7-interaction-promotes-cellular-migration-and-invasion-via-modulation-of-the-mek-erk1-2-signaling-pathway-and-correlates-with-lymphatic-metastatic-spread-and-poor-prognosis-in-urinary-bladder-cancer
#15
Yang Xiong, Fang Huang, Xiaozhou Li, Zhi Chen, Deyun Feng, Haiying Jiang, Wei Chen, Xiangyang Zhang
Lymph node metastasis in patients with urinary bladder cancer (UBC) is always associated with poor prognosis and is the determinant for tumor staging and the development of treatment regimens; however, its underlying mechanisms remain to be studied. Immunohistochemical staining of tumor sections from 62 UBC patients was performed using CCR7, D2-40 and CD34 antibodies. We showed that increased CCR7 expression was significantly associated with positive lymph node status (P=0.008), pT3-T4 tumor stage (P=0.015), tumor grade (P=0...
July 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28524234/alcohol-consumption-and-cigarette-smoking-in-combination-a-predictor-of-contralateral-breast-cancer-risk-in-the-wecare-study
#16
Julia A Knight, Jing Fan, Kathleen E Malone, Esther M John, Charles F Lynch, Rikke Langballe, Leslie Bernstein, Roy E Shore, Jennifer D Brooks, Anne S Reiner, Meghan Woods, Xiaolin Liang, Jonine L Bernstein
Alcohol drinking and, to a lesser extent, cigarette smoking are risk factors for a first primary breast cancer. Information on these behaviours at diagnosis may contribute to risk prediction of contralateral breast cancer (CBC) and they are potentially modifiable. The WECARE Study is a large population-based case-control study of women with breast cancer where cases (N = 1,521) had asynchronous CBC and controls (N = 2,212), matched on survival time and other factors, had unilateral breast cancer (UBC)...
September 1, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28521362/association-of-common-genetic-variants-with-contralateral-breast-cancer-risk-in-the-wecare-study
#17
Mark E Robson, Anne S Reiner, Jennifer D Brooks, Patrick J Concannon, Esther M John, Lene Mellemkjaer, Leslie Bernstein, Kathleen E Malone, Julia A Knight, Charles F Lynch, Meghan Woods, Xiaolin Liang, Robert W Haile, David J Duggan, Roy E Shore, Susan A Smith, Duncan C Thomas, Daniel O Stram, Jonine L Bernstein
Background: Women with unilateral breast cancer (UBC) are at risk of developing a subsequent contralateral breast cancer (CBC). Common variants are associated with breast cancer risk. Whether these influence CBC risk is unknown. Methods: Participants were breast cancer cases from the population-based Women's Environmental Cancer and Radiation Epidemiology (WECARE) Study. Sixty-seven established breast cancer risk loci were genotyped directly or by imputation in 1459 case subjects with CBC and 2126 UBC control subjects...
October 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28508171/over-expression-of-tobacco-ubc1-encoding-a-ubiquitin-conjugating-enzyme-increases-cadmium-tolerance-by-activating-the-20s-26s-proteasome-and-by-decreasing-cd-accumulation-and-oxidative-stress-in-tobacco-nicotiana-tabacum
#18
Ramin Bahmani, DongGwan Kim, Byoung Doo Lee, Seongbin Hwang
Ubiquitin (Ub)-conjugating enzyme (UBC, E2) receives Ub from Ub-activating enzyme (E1) and transfers it to target proteins, thereby playing a key role in Ub/26S proteasome-dependent proteolysis. UBC has been reported to be involved in tolerating abiotic stress in plants, including drought, salt, osmotic and water stresses. To isolate the genes involved in Cd tolerance, we transformed WT (wild-type) yeast Y800 with a tobacco cDNA expression library and isolated a tobacco cDNA, NtUBC1 (Ub-conjugating enzyme), that enhances cadmium tolerance...
July 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28490769/increased-cerebral-expressions-of-mmps-cldn5-ocln-zo1-and-aqps-are-associated-with-brain-edema-following-fatal-heat-stroke
#19
Yu Du, Jing-Tao Xu, Hong-Nian Jin, Rui Zhao, Dong Zhao, Si-Hao Du, Ye Xue, Xiao-Li Xie, Qi Wang
Human brain samples were collected from 46 autopsy cases, including 23 fatal heat stroke cases and 23 age-matched controls. Nine candidate reference genes (PES1, POLR2A, IPO8, HMBS, SDHA, GAPDH, UBC, B2M, ACTB) were evaluated in the cerebral cortex of 10 forensic autopsy cases (5 heat stroke and 5 controls), using the geNorm module in qBase(plus) software. SDHA, POLR2A, IPO8 and HMBS were identified as the most stable reference genes. Using these validated reference genes, mRNA expressions of Matrix metalloproteinases (MMPs, MMP2 and MMP9), Claudin5 (CLDN5), Occludin (OCLN), Zona occludens protein-1 (ZO1) and Aquaporins (AQPs, AQP1 and AQP4) in the cerebral cortex were examined...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28488128/ki-67-and-cell-cycle-regulators-p53-p63-and-cyclind1-as-prognostic-markers-for-recurrence-progression-of-bladder-urothelial-carcinoma
#20
Saba El-Gendi, Ghada Abu-Sheasha
Deregulation of the cell cycle regulating genes is common in urothelial bladder carcinoma (UBC). We aimed to examine the prognostic significance of ki-67, p53, p63 and cyclinD1expression in UBC and to identify optimal cut-off points to help identifying patients at high risk of tumor recurrence. We evaluated the immunohistochemical expression of ki-67, p53, p63 and cyclinD1 in 100 UBCs. The conventional and the classification and regression trees-guided (CART-guided) methods were utilized to determine the independent predictors of tumor recurrence...
May 9, 2017: Pathology Oncology Research: POR
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