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https://www.readbyqxmd.com/read/28545271/-effect-of-microrna-106b-on-the-invasion-and-proliferation-of-trophoblasts-through-targeting-mmp-2
#1
J Li, J M Wang, Y H Liu, Z Zhang, N Han, J Y Wang, S H Xue, P Wang
Objective: To investigate the expression of microRNA-106b (miR-106b) in the placentas of patients with pre-eclampsia and its relationship with matrix metallopeptidase (MMP) -2, and its effect on the invasion and proliferation of trophoblasts. Methods: (1) Placental tissues were collected from patients with mild pre-eclampsia (mPE, n=30), severe pre-eclampsia (sPE, n=30) and normal pregnant women (n=40). Human choriocarcinoma cell lines JAR and JEG3 were assigned to the miR-106b mimics group, the mimics negative control group, the miR-106b inhibitor group and the inhibitor negative control group, respectively...
May 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28545270/-correlation-between-mutation-of-p53-gene-2-4-exons-from-peripheral-blood-and-hpv16-positive-cervical-cancer-susceptibility-and-clinical-significance
#2
C M Yin, Y F Yao, Z L Yan, H Y Yang
Objective: To detect mutations of p53 gene 2-4 exons from peripheral blood and to explore their relevance in HPV16-positive cervical cancer susceptibility and clinical significance. Methods: Collected firstly cases from the Third Affiliated Hospital of Kunming Medical University from October 2012 to April 2014, included 167 cases HPV16-postive cervical cancer and 160 cases HPV-negative healthy women. Genomic DNA from the host peripheral venous blood was taken, mutations of p53 gene 2-4 exons were analyzed with software DNAstar after PCR and bidirectional sequencing...
May 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28545243/ficus-umbellata-vahl-moraceae-stem-bark-extracts-exert-antitumor-activities-in-vitro-and-in-vivo
#3
Kevine Kamga Silihe, Stéphane Zingue, Evelyn Winter, Charline Florence Awounfack, Anupam Bishayee, Nishil N Desai, Leônidas João Mello, Thomas Michel, Francine Nzufo Tankeu, Derek Tantoh Ndinteh, Sara Honorine Riwom, Dieudonné Njamen, Tânia Beatriz Creczynski-Pasa
A Ficus umbellata is used to treat cancer. The present work was therefore designed to assess antitumor potentials of F. umbellata extracts in nine different cell lines. Cell cycle, apoptosis, cell migration/invasion, levels of reactive oxygen species (ROS), mitochondrial membrane potential (MMP), caspases activities as well as Bcl-2 and Bcl-xL protein content were assessed in MDA-MB-231 cells. The 7,12-dimethylbenz(a)anthracene (DMBA)-induced carcinogenesis in rats were also used to investigate antitumor potential of F...
May 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28545193/synthesis-characterization-and-cytotoxic-evaluation-of-graphene-oxide-nanosheets-in-vitro-liver-cancer-model
#4
Samah A Loutfy, Taher A Salaheldin, Marwa A Ramadan, Khaled Yehia Farroh, Zeinab F Abdallah, Tareq Youssef Abd Eloahed
Background: Graphene nanosheets have a broad spectrum of biomedical applications. Hepatocellular cancer (HCC) is a major health problem in the Egyptian population. Currently, treatment strategies are invasive and have several adverse side effects. Thus, other approaches are required for managing this aggressive type of cancer. Our objective here was to prepare and characterize graphene oxide nanosheets and evaluate cytotoxic effect at the molecular level in an in vitro human liver cancer cell model (HepG2)...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545187/enterolactone-suppresses-proliferation-migration-and-metastasis-of-mda-mb-231-breast-cancer-cells-through-inhibition-of-upa-induced-plasmin-activation-and-mmps-mediated-ecm-remodeling
#5
Aniket V Mali, Asavari A Joshi, Mahabaleshwar V Hegde, Shivajirao S Kadam
Background: To enhance their own survival, tumor cells can manipulate their microenvironment through remodeling of the extra cellular matrix (ECM). The urokinase-type plasminogen activator (uPA) system catalyzes plasmin production which further mediates activation of matrix metalloproteinases (MMPs) and plays an important role in breast cancer invasion and metastasis through ECM remodeling. This provides a potential target for therapeutic intervention of breast cancer treatment. Enterolactone (EL) is derived from dietary flax lignans in the human body and is known to have anti-breast cancer activity...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545182/breast-cancer-in-australian-indigenous-women-incidence-mortality-and-risk-factors
#6
Kriscia A Tapia, Gail Garvey, Mark Mc Entee, Mary Rickard, Patrick Brennan
The Indigenous people of Australia face significant health gaps compared with the general population, with lower life expectancies, higher rates of death, and chronic illness occurring more often than in non-indigenous Australians. Cancer is the second largest contributor to the burden of disease with breast cancer being the most common invasive cancer diagnosed for females. Despite a lower breast cancer incidence compared with non-indigenous women, fatalities occur at an elevated rate and breast cancers have an earlier age of onset...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545168/reliability-of-the-triple-timed-up-and-go-3tug-test
#7
Donald B Sanders, Jeffrey T Guptill, Kathy L Aleš, Lisa D Hobson-Webb, David P Jacobus, Riaz Mahmood, Janice M Massey, Melissa M Pittman, Kristi Prather, Shruti M Raja, Eric Yow, Vern C Juel
INTRODUCTION: We report the reliability of a new measure, the Triple Timed-Up-and-Go (3TUG) test, for assessing clinical function in patients with Lambert-Eaton myasthenia (LEM). METHODS: Intra-rater reproducibility and inter-rater agreement of the 3TUG were assessed in 25 control subjects, 24 patients with non-LEM neuromuscular disease and 12 LEM patients. The coverage probability (CP) method was the primary measure of reproducibility and agreement. The a priori acceptable range was <20% difference in 3TUG times and a CP ≥0...
May 25, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28545152/short-term-changes-in-the-health-state-of-children-with-group-b-meningococcal-disease-a-prospective-national-cohort-study
#8
Iain T R Kennedy, Albert J van Hoek, Sonia Ribeiro, Hannah Christensen, W John Edmunds, Mary E Ramsay, Shamez N Ladhani
OBJECTIVES: The short-term impact of childhood invasive meningococcal disease (IMD) on quality-of-life (QoL) remains largely unquantified. This study aimed to quantify QoL loss at the point when illness was at its worst, and assess health state recovery in the months following illness. METHODS: Parents of children aged <16 years with laboratory-confirmed meningococcal group B (MenB) disease in England, with onset dates from November 2012 to May 2013 were asked to complete a short questionnaire, which included EQ-5DY, a version of EQ-5D for 8-15 year-olds...
2017: PloS One
https://www.readbyqxmd.com/read/28545123/predictability-of-arousal-in-mouse-slow-wave-sleep-by-accelerometer-data
#9
Gustavo Zampier Dos Santos Lima, Sergio Roberto Lopes, Thiago Lima Prado, Bruno Lobao-Soares, George C do Nascimento, John Fontenele-Araujo, Gilberto Corso
Arousals can be roughly characterized by punctual intrusions of wakefulness into sleep. In a standard perspective, using human electroencephalography (EEG) data, arousals are associated to slow-wave rhythms and K-complex brain activity. The physiological mechanisms that give rise to arousals during sleep are not yet fully understood. Moreover, subtle body movement patterns, which may characterize arousals both in human and in animals, are usually not detectable by eye perception and are not in general present in sleep studies...
2017: PloS One
https://www.readbyqxmd.com/read/28545116/n-terminal-pro-b-type-natriuretic-peptide-in-amniotic-fluid-of-fetuses-with-known-or-suspected-cardiac-load
#10
Christina Leufgen, Ulrich Gembruch, Birgit Stoffel-Wagner, Rolf Fimmers, Waltraut M Merz
BACKGROUND: Myocardial dysfunction occurs in a variety of fetal disorders. Findings from adult cardiology, where n-terminal pro-B-type natriuretic peptide (nt-proBNP) is an established biomarker of left ventricular dysfunction have been extended to fetal life. Since fetal blood sampling is technically challenging we investigated amniotic fluid nt-proBNP for its suitability to diagnose fetal myocardial dysfunction. METHODS: Ultrasound, Doppler examination and echocardiography was applied to classify cases and controls...
2017: PloS One
https://www.readbyqxmd.com/read/28545111/northern-range-expansion-of-the-asian-tiger-mosquito-aedes-albopictus-analysis-of-mosquito-data-from-connecticut-usa
#11
Philip M Armstrong, Theodore G Andreadis, John J Shepard, Michael C Thomas
BACKGROUND: The Asian tiger mosquito (Aedes albopictus) is an invasive species and important arbovirus vector that was introduced into the U.S. in the 1980's where it continues to expand its range. Winter temperature is an important constraint to its northward expansion, with potential range limits located between the 0° and -5°C mean cold month isotherm. Connecticut is located within this climatic zone and therefore, Ae. albopictus was monitored statewide to assess its northern range expansion and to delineate where populations can stably persist...
May 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28545106/serum-microrna-signatures-as-liquid-biopsies-for-interrogating-hepatotoxic-mechanisms-and-liver-pathogenesis-in-human
#12
Julian Krauskopf, Theo M de Kok, Shelli J Schomaker, Mark Gosink, Deborah A Burt, Patricia Chandler, Roscoe L Warner, Kent J Johnson, Florian Caiment, Jos C Kleinjans, Jiri Aubrecht
MicroRNAs (miRNAs) released into the peripheral circulation upon cellular injury have shown a promise as a new class of tissue-specific biomarkers. We were first to demonstrate that next-generation sequencing analysis of serum from human subjects with acetaminophen-induced liver injury revealed a specific signature of circulating miRNAs. We consequently hypothesized that different types of hepatic liver impairments might feature distinct signatures of circulating miRNAs and that this approach might be useful as minimally invasive diagnostic "liquid biopsies" enabling the interrogation of underlying molecular mechanisms of injury in distant tissues...
2017: PloS One
https://www.readbyqxmd.com/read/28545097/an-integrated-risk-predictor-for-pulmonary-nodules
#13
Paul Kearney, Stephen W Hunsucker, Xiao-Jun Li, Alex Porter, Steven Springmeyer, Peter Mazzone
It is estimated that over 1.5 million lung nodules are detected annually in the United States. Most of these are benign but frequently undergo invasive and costly procedures to rule out malignancy. A risk predictor that can accurately differentiate benign and malignant lung nodules could be used to more efficiently route benign lung nodules to non-invasive observation by CT surveillance and route malignant lung nodules to invasive procedures. The majority of risk predictors developed to date are based exclusively on clinical risk factors, imaging technology or molecular markers...
2017: PloS One
https://www.readbyqxmd.com/read/28545080/computerized-margin-and-texture-analyses-for-differentiating-bacterial-pneumonia-and-invasive-mucinous-adenocarcinoma-presenting-as-consolidation
#14
Hyun Jung Koo, Mi Young Kim, Ja Hwan Koo, Yu Sub Sung, Jiwon Jung, Sung-Han Kim, Chang-Min Choi, Hwa Jung Kim
Radiologists have used margin characteristics based on routine visual analysis; however, the attenuation changes at the margin of the lesion on CT images have not been quantitatively assessed. We established a CT-based margin analysis method by comparing a target lesion with normal lung attenuation, drawing a slope to represent the attenuation changes. This approach was applied to patients with invasive mucinous adenocarcinoma (n = 40) or bacterial pneumonia (n = 30). Correlations among multiple regions of interest (ROIs) were obtained using intraclass correlation coefficient (ICC) values...
2017: PloS One
https://www.readbyqxmd.com/read/28545079/interleukin-like-emt-inducer-regulates-partial-phenotype-switching-in-mitf-low-melanoma-cell-lines
#15
Ken Noguchi, Annamarie C Dalton, Breege V Howley, Buckley J McCall, Akihiro Yoshida, J Alan Diehl, Philip H Howe
ILEI (FAM3C) is a secreted factor that contributes to the epithelial-to-mesenchymal transition (EMT), a cell biological process that confers metastatic properties to a tumor cell. Initially, we found that ILEI mRNA is highly expressed in melanoma metastases but not in primary tumors, suggesting that ILEI contributes to the malignant properties of melanoma. While melanoma is not an epithelial cell-derived tumor and does not undergo a traditional EMT, melanoma undergoes a similar process known as phenotype switching in which high (micropthalmia-related transcription factor) MITF expressing (MITF-high) proliferative cells switch to a low expressing (MITF-low) invasive state...
2017: PloS One
https://www.readbyqxmd.com/read/28545045/differences-in-speb-protease-activity-among-group-a-streptococci-associated-with-superficial-invasive-and-autoimmune-disease
#16
Anhphan T Ly, John P Noto, Odaelys L Walwyn, Robert R Tanz, Stanford T Shulman, William Kabat, Debra E Bessen
The secreted cysteine proteinase SpeB is an important virulence factor of group A streptococci (GAS), whereby SpeB activity varies widely among strains. To establish the degree to which SpeB activity correlates with disease, GAS organisms were recovered from patients with pharyngitis, impetigo, invasive disease or acute rheumatic fever (ARF), and selected for analysis using rigorous sampling criteria; >300 GAS isolates were tested for SpeB activity by casein digestion assays, and each GAS isolate was scored as a SpeB-producer or non-producer...
2017: PloS One
https://www.readbyqxmd.com/read/28545036/the-long-non-coding-rna-neat1-enhances-epithelial-to-mesenchymal-transition-and-chemoresistance-via-the-mir-34a-c-met-axis-in-renal-cell-carcinoma
#17
Fei Liu, Na Chen, Yanchun Gong, Ruihai Xiao, Weichao Wang, Zhengyue Pan
Long non-coding RNAs (lncRNAs) have emerged as new gene regulators and prognostic markers in various cancers. Although the lncRNA nuclear enriched abundant transcript 1 (NEAT1) has been associated with tumorigenesis, its functions in renal cell carcinoma (RCC) have not been elucidated. We determined that NEAT1 is up-regulated in RCC tissue compared to corresponding non-tumor tissue. High NEAT1 expression was associated with tumor progression and poor survival in RCC patients. NEAT1 knockdown suppressed RCC cell proliferation by inhibiting cell cycle progression, and inhibited RCC cell migration and invasion by reversing the epithelial-to- mesenchymal transition phenotype...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28545028/stc1-promotes-cell-apoptosis-via-nf-%C3%AE%C2%BAb-phospho-p65-ser536-in-cervical-cancer-cells
#18
Xi Pan, Binyuan Jiang, Jianhao Liu, Juan Ding, Yuehui Li, Ruili Sun, Li Peng, Changfei Qin, Shujuan Fang, Guancheng Li
Stanniocalin-1 (STC1) is a secreted glycoprotein hormone and involved in various types of human malignancies. Our previous studies revealed that STC1 inhibited cell proliferation and invasion of cervical cancer cells through NF-κB P65 activation, but the mechanism is poorly understood. In our studies, we found overexpression of STC1 promoted cell apoptosis while silencing of STC1 promoted cell growth of cervical cancer. Phospho-protein profiling and Western blotting results showed the expression of NF-κB related phosphorylation sites including NF-κB P65 (Ser536), IκBα, IKKβ, PI3K, and AKT was altered in STC1-overexpressed cervical cancer cells...
May 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28545027/mir-486-5p-negatively-regulates-oncogenic-nek2-in-hepatocellular-carcinoma
#19
Shun-Jun Fu, Jian Chen, Fei Ji, Wei-Qiang Ju, Qiang Zhao, Mao-Gen Chen, Zhi-Yong Guo, Lin-Wei Wu, Yi Ma, Dong-Ping Wang, Xiao-Feng Zhu, Xiao-Shun He
NEK2 is a member of the NIMA-related family of serine/threonine centrosomal kinases. We analyzed the relationship between differential expression of NEK2 and hepatocellular carcinoma (HCC) patient outcomes after liver transplants. We also studied the microRNAs that affect NEK2 expression. Analysis of multiple microarrays in the Oncomine database revealed that NEK2 expression was higher in HCC tissues than adjacent normal liver tissues. High NEK2 expression correlated with tumor size, pathological grade and macro- and microvascular invasion...
May 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28545025/oncogenic-mnk-signalling-regulates-the-metastasis-suppressor-ndrg1
#20
Shuye Tian, Xuemin Wang, Christopher G Proud
The protein N-myc down-regulated gene 1 (NDRG1) represses tumour metastasis. It is phosphorylated at several sites by serum and glucocorticoid-regulated kinase 1 (SGK1). Here we show that NDRG1 is also regulated by the oncogenic MAP kinase-interacting kinase (MNK) pathway, a target for cancer therapy.Inhibiting MNKs increases the expression of NDRG1 protein and mRNA in breast cancer cells. MNK inhibition also decreases the phosphorylation of NDRG1. Phosphorylation of NDRG1 is reduced in cells lacking MNK1, but not MNK2-knockout cells, indicating that NDRG1 phosphorylation is a specific target for MNK1...
May 2, 2017: Oncotarget
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