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https://www.readbyqxmd.com/read/29785156/correlations-of-aldehyde-dehydrogenase-1-aldh1-expression-with-traditional-prognostic-parameters-and-different-molecular-subtypes-of-breast-carcinoma
#1
Piyabi Sarkar, Keya Basu, Pubali Sarkar, Uttara Chatterjee, Madhumita Mukhopadhyay, Manoj Kumar Choudhuri, Diptendra Kumar Srakar
Background and aim: Breast cancer, a heterogeneous disease, is the most common cause of cancer-related death in women worldwide. Despite considerable developments in treatment modalities, a subset of patients with advanced-stage breast carcinoma display poor prognosis. Breast cancer heterogeneity and risk of recurrence could be explained with the help of cancer stem cell hypothesis. Stem cells have the capacity to self-renew and differentiate into multiple cell types. Aldehyde dehydrogenase-1 (ALDH1), an enzyme responsible for the oxidation of intracellular aldehydes, contributes to normal and tumor stem cell differentiation...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29783652/pituitary-gonadal-thyroid-hormones-and-endocrine-disruptors-in-pre-and-postmenopausal-nigerian-women-with-er-pr-and-her-2-positive-and-negative-breast-cancers
#2
Olulope Ajayi, Mabel Charles-Davies, John Anetor, Adeyinka Ademola
Breast cancer is broadly sub-divided into hormone responsive and non-hormone responsive subtypes. Estradiol has been associated with hormone responsive breast cancers. There is, however, a paucity of information on the role of sex hormones, gonadotropins, and thyroid hormone in non-hormone responsive breast cancer. This study aimed to determine differences in the serum levels of sex hormones, gonadotropins, thyroid hormones, and endocrine disruptors (lead, cadmium, and arsenic) in Nigerian women with hormone responsive and non-hormone responsive breast cancers...
May 18, 2018: Medical Sciences: Open Access Journal
https://www.readbyqxmd.com/read/29781231/the-combination-of-three-autoantibodies-acpa-rf-and-anti-carp-antibodies-is-highly-specific-for-rheumatoid-arthritis-implications-for-very-early-identification-of-individuals-at-risk-to-develop-rheumatoid-arthritis
#3
Marije K Verheul, Stefan Böhringer, Myrthe A M van Delft, Jonathan D Jones, William F C Rigby, Ryan W Gan, V Michael Holers, Jess D Edison, Kevin D Deane, Koen M J Janssen, Johanna Westra, Mikael Brink, Solbritt Rantapää-Dahlqvist, Tom W J Huizinga, Annette H M van der Helm-van Mil, Diane van der Woude, Rene E M Toes, Leendert A Trouw
OBJECTIVE: In rheumatoid arthritis(RA), the autoantibodies anti-citrullinated protein antibodies(ACPA) and rheumatoid factor(RF) are commonly used to aid RA diagnosis. Although these autoantibodies are mainly found in RA, their specificity is not optimal. It is therefore difficult to identify RA patients, especially in very early disease, based on the presence of ACPA and RF alone. Also, anti-carbamylated protein(anti-CarP) antibodies have diagnostic and prognostic value as the presence of anti-CarP antibodies associates with joint damage in RA patients and with future RA development in arthralgia patients...
May 21, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29781217/uhplc-q-tof-ms-based-screening-and-identification-of-main-flavonoids-and-their-metabolites-in-rats-after-oral-administration-of-cirsium-japonicum-dc-extract
#4
Xia Zhang, Man Liao, Xiaoye Cheng, Caijuan Liang, Xinpeng Diao, Lantong Zhang
RATIONALE: Cirsium japonicum DC., a traditional Chinese medicine, has been shown to have antihemorrhagic and antitumour effects. Pharmacological studies have demonstrated that this curative effect may be related to flavonoids. The present work aims to screen and identify the main flavonoids and their corresponding metabolites in rats after oral administration of Cirsium japonicum DC. extract. METHODS: A rapid and simple ultra-high-performance liquid chromatography coupled with triple quadrupole and time-of-flight mass spectrometry (UHPLC-Q-TOF-MS/MS) method was developed for the identification of the primary absorbing components and metabolites of the principal flavonoids...
May 20, 2018: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29778202/porcine-monocyte-derived-dendritic-cells-can-be-differentially-activated-by-vesicular-stomatitis-virus-and-its-matrix-protein-mutants
#5
Guoyan Sun, Xinkui Fang, Hao Wu, Xinchu Zhou, Yong Ke, Tao Sun
Vesicular stomatitis virus (VSV) can cause serious vesicular lesions in pigs, and the matrix (M) protein is its predominant virulence factor. Dendritic cells (DCs) act as the bridge between innate and adaptive immune responses. However, the susceptibility of porcine DCs to VSV infection and the role of M protein in modulating the function of infected DCs are still poorly defined. Thus, this study aimed to determine the ability of virulent wild-type VSV(wtVSV) and two attenuated M protein variants (VSVΔM51 and VSVMT ) to induce maturation of porcine monocyte-derived DCs (MoDCs) in vitro...
June 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29775445/the-clinical-pattern-of-nephrotic-syndrome-in-children-has-no-effect-on-the-concentration-of-soluble-urokinase-receptor-supar-in-serum-and-urine
#6
Agnieszka Ochocińska, Wioletta Jarmużek, Roman Janas
Concentration of soluble urokinase receptor (suPAR) was regarded as viable marker to differentiate the focal segmental glomerulosclerosis (FSGS) from other glomerulopathies and also as predictive parameter for progression of renal disease. AIM: The aim of this study was to evaluate serum and urine (s)(u)suPAR concentration in steroid-sensitive and steroid-resistant nephrotic children treated with different (double and triple-drug) regimens. MATERIALS AND METHODS: Overall 43 children were evaluated including 14 patients with steroid-resistant nephrotic syndrome (SRNS) aged 9±6 years and 29 with steroid-sensitive nephrotic syndrome (SSNS) aged 9±5 years, as well as control group (n=59)...
April 23, 2018: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29774950/morphology-and-quantification-of-sheep-pineal-glands-at-pre-pubertal-pubertal-and-post-pubertal-periods
#7
Durmuş Bolat, Aytül Kürüm, Sıla Canpolat
The pineal gland is a neuroendocrine organ associated with photoperiodic regulation in mammals. The aim of this study was to evaluate the pineal gland at the pre-pubertal, pubertal and post-pubertal periods by means of morphology and stereology. The study examined at total of 24 ovine pineal glands collected from healthy female Akkaraman breed. Thick sections (40 μm) were cut and treated with synaptophysin. Following each thick section, six consecutive sections at a thickness of 5 μm were cut. Each thin section was stained with one of the following dyes: Crossman's modified triple dye, glial fibrillary acidic protein (GFAP), melatonin marker, periodic acid-Schiff, Von Kossa and AgNOR...
May 18, 2018: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/29774317/frequency-of-rearrangements-versus-small-indels-mutations-in-brca1-and-brca2-genes-in-turkish-patients-with-high-risk-breast-and-ovarian-cancer
#8
Hülya Yazıcı, Seda Kılıç, Demet Akdeniz, Özge Şükrüoğlu, Şeref Buğra Tuncer, Mukaddes Avşar, Gözde Kuru, Betül Çelik, Seden Küçücük, Pınar Saip
Objective: The current rearrangement ratio of BRCA1 and BRCA2 genes is not known in the Turkish population. Rearrangements are not routinely investigated in many Turkish laboratories. This creates problems and contradictions between clinics. Therefore, the aim of this study was to evaluate the distribution and frequency of rearrangements in BRCA1 and BRCA2 genes in high-risk families and to clarify the limits of BRCA1 and BRCA2 testing in Turkey. Materials and Methods: The study included 1809 patients at high risk of breast cancer or ovarian cancer...
April 2018: European Journal of Breast Health
https://www.readbyqxmd.com/read/29771902/the-impact-of-different-tumour-subtypes-on-management-and-survival-of-new-zealand-women-with-stage-i-iii-breast-cancer
#9
Ross Lawrenson, Chunhuan Lao, Ian Campbell, Vernon Harvey, Sanjeewa Seneviratne, Mark Elwood, Diana Sarfati, Marion Kuper-Hommel
AIMS: This study aims to describe the prevalence and characteristics of the different ER/PR/HER2 subtypes in New Zealand women with breast cancer, and to explore their treatment and outcomes. METHODS: This study included women diagnosed with Stage I-III breast cancer between January 2006 and May 2013, recorded in the combined Waikato and Auckland Breast Cancer Registers, and with complete data on their ER, PR and HER2 status. Five ER/PR/HER2 phenotypes were classified...
May 18, 2018: New Zealand Medical Journal
https://www.readbyqxmd.com/read/29768525/effects-of-a-food-enriched-with-probiotics-on-streptococcus-mutans-and-lactobacillus-spp-salivary-counts-in-preschool-children-a-cluster-randomized-trial
#10
Judy Villavicencio, Lina Maria Villegas, Maria Cristina Arango, Susana Arias, Francia Triana
Probiotics have provided benefits to general health, but they are still insufficient to dental health. This study aimed to evaluate milk supplemented with probiotic bacteria and standard milk, measured by levels of Streptococcus mutans (S. mutans) and Lactobacillus spp., in 3-4-year-old children after 9 months of intervention. The study was a triple-blind, placebo-controlled, randomized trial. The sample was composed of 363 preschoolers attending five child development centers in Cali, Colombia. They were randomized to two groups: children in the intervention group drank 200 mL of milk with Lactobacillus rhamnosus 5x106 and Bifidobacteruim longum 3x106, and children in the control group drank 200 mL of standard milk...
May 14, 2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29766637/subtype-specific-clinical-and-prognostic-relevance-of-tumor-expressed-f5-and-regulatory-f5-variants-in-breast-cancer-the-cocav-study
#11
Mari Tinholt, Øystein Garred, Elin Borgen, Elsa Beraki, Ellen Schlichting, Vessela Kristensen, Kristine Kleivi Sahlberg, Nina Iversen
BACKGROUND: Tumor expression of certain coagulation factors have been linked to cancer progression. Single nucleotide polymorphisms (SNPs) in F5 (encoding the FV protein) have been found associated with breast cancer, however, the role of coagulation factor V (FV) in cancer pathogenesis remains undiscovered. OBJECTIVES: We aimed to investigate the clinical significance of FV and the regulatory role of F5 gene variants in breast cancer. PATIENTS/METHODS: A Scandinavian 503-sample breast cancer cohort and three public breast cancer data sets (GOBO, TCGA, and KM plotter) were used to determine associations between F5 gene expression (tumor-specific), circulating FV, F5 SNPs, clinical characteristics, and breast cancer survival...
May 16, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29766231/available-bone-morphology-and-status-of-neural-structures-in-the-mandibular-interforaminal-region-three-dimensional-analysis-of-anatomical-structures
#12
Duygu Goller Bulut, Emre Köse
PURPOSE: This study aimed to clarify the size and morphology of the mandible and to determine state of neural structures for the planning of the dental implantation using cone-beam computerized tomography (CBCT). METHODS: Of the 252 patients, CBCT images of 48 selected patients were evaluated. The bone height and width were measured and the type of the mental portion of the inferior alveolar canal, the anterior loop length (ALL), the location of the incisive canal and lingual foramen were identified with cross-sectional and multiplane reformatted CBCT images...
May 15, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29765318/utility-of-a-novel-three-dimensional-and-dynamic-3dd-cell-culture-system-for-pk-pd-studies-evaluation-of-a-triple-combination-therapy-at-overcoming-anti-her2-treatment-resistance-in-breast-cancer
#13
Anusha Ande, Tanaya R Vaidya, Bao N Tran, Michael Vicchiarelli, Ashley N Brown, Sihem Ait-Oudhia
Background: Emergence of Human epidermal growth factor receptor 2 (HER2) therapy resistance in HER2-positive (HER2+) breast cancer (BC) poses a major clinical challenge. Mechanisms of resistance include the over-activation of the PI3K/mTOR and Src pathways. This work aims to investigate a novel combination therapy that employs paclitaxel (PAC), a mitotic inhibitor, with everolimus (EVE), an mTOR inhibitor, and dasatinib (DAS), an Src kinase inhibitor, as a modality to overcome resistance. Methods: Static (two dimensional, 2D) and three-dimensional dynamic (3DD) cell culture studies were conducted using JIMT-1 cells, a HER2+ BC cell line refractory to HER2 therapies...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29764447/efficacy-of-intra-articular-hypertonic-dextrose-prolotherapy-versus-normal-saline-for-knee-osteoarthritis-a-protocol-for-a-triple-blinded-randomized-controlled-trial
#14
Regina Wing Shan Sit, Ricky Wing Keung Wu, Kenneth Dean Reeves, David Rabago, Dicken Cheong Chun Chan, Benjamin Hon Kei Yip, Vincent Chi Ho Chung, Samuel Yeung Shan Wong
BACKGROUND: Knee Osteoarthritis (KOA) is a very common condition with prevalence rising with age. It is a major contributor to global disability and has a large socioeconomic burden worldwide. Conservative therapies have marginal effectiveness, and surgery is reserved for severe symptomatic KOA. Dextrose Prolotherapy (DPT) is an evidence-based injection-based therapy for chronic musculoskeletal conditions including KOA. The standard "whole joint" injection method includes intra-articular injection and multiple extra-articular injections at soft tissue bony attachments...
May 15, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29764184/efficacy-of-the-combination-neurokinin-1-receptor-antagonist-palonosetron-and-dexamethasone-compared-to-others-for-the-prophylaxis-of-chemotherapy-induced-nausea-and-vomiting-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#15
Ronald Chow, May Tsao, Leonard Chiu, Marko Popovic, Milica Milakovic, Henry Lam, Carlo DeAngelis
BACKGROUND: Chemotherapy-induced nausea and vomiting (CINV), a common side effect of chemotherapy, can substantially impair a patient's quality of life, interfere with a patient's compliance with anticancer therapy, and result in the manifestation of adverse events such as electrolyte imbalance, dehydration and malnutrition. The most recent guidelines published by the Multinational Association of Supportive Care in Cancer (MASCC) and European Society of Medical Oncology (ESMO) recommend the combination of dexamethasone (DEX), a 5-hydroxytrypatmine-3 receptor antagonist (5-HT3RA), preferably palonosetron (PALO), and a neurokinin-1 receptor antagonist (NK1RA) for prophylactic treatment of CINV in patients receiving highly emetogenic chemotherapy (HEC)...
April 2018: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29761796/study-on-the-mechanism-of-cell-cycle-checkpoint-kinase-2-chek2-gene-dysfunction-in-chemotherapeutic-drug-resistance-of-triple-negative-breast-cancer-cells
#16
Li Luo, Wei Gao, Jinghui Wang, Dingxue Wang, Xiaobo Peng, Zhaoyang Jia, Ye Jiang, Gongzhuo Li, Dongxin Tang, Yajie Wang
BACKGROUND This study aimed to investigate the mechanism of CHEK2 gene dysfunction in drug resistance of triple negative breast cancer (TNBC) cells. MATERIAL AND METHODS To perform our study, a stable CHEK2 wild type (CHEK2 WT) or CHEK2 Y390C mutation (CHEK2 Y390C) expressed MDA-MB-231 cell line was established. MTT assay, cell apoptosis assay and cell cycle assay were carried out to analyze the cell viability, apoptosis, and cell cycle respectively. Western blotting and qRT-PCR were applied for related protein and gene expression detection...
May 15, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29758015/determinants-and-temporal-trends-of-perfluoroalkyl-substances-in-pregnant-women-the-hokkaido-study-on-environment-and-children-s-health
#17
Meng-Shan Tsai, Chihiro Miyashita, Atsuko Araki, Sachiko Itoh, Yu Ait Bamai, Houman Goudarzi, Emiko Okada, Ikuko Kashino, Hideyuki Matsuura, Reiko Kishi
Perfluoroalkyl substances (PFAS) are persistent bio-accumulative chemicals that impact the health of pregnant women and their children. PFAS derive from environmental and consumer products, which depend on human lifestyle, socioeconomic characteristics, and time variation. Here, we aimed to explore the temporal trends of PFAS in pregnant women and the characteristics related to maternal PFAS concentration. Our study is part of the Hokkaido Study on Environment and Children's Health, the Hokkaido large-scale cohort that recruited pregnant women between 2003 and 2011...
May 14, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29757980/determination-of-ten-macrolide-drugs-in-environmental-water-using-molecularly-imprinted-solid-phase-extraction-coupled-with-liquid-chromatography-tandem-mass-spectrometry
#18
Xuqin Song, Tong Zhou, Jiufeng Li, Meiyu Zhang, Jingmeng Xie, Limin He
With the extensive application of antibiotics in livestock, their contamination of the aquatic environment has received more attention. Molecularly imprinted polymer (MIP), as an eco-friendly and durable solid-phase extraction material, has shown great potential for the separation and enrichment of antibiotics in water. This study aims at developing a practical and economical method based on molecularly imprinted solid phase extraction (MISPE) combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS) for simultaneously detecting ten macrolide drugs in different sources of water samples...
May 14, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29755389/evidence-for-sequential-performance-effects-in-professional-darts
#19
John F Stins, Gur Yaari, Kevin Wijmer, Joost F Burger, Peter J Beek
Objectives: The study of sequential effects in aiming tasks might shed light on the organization of repetitive motor performances over time. To date, investigations of such effects in sports have been limited and yielded mixed results. Given the relatively short time intervals between successive attempts, and the absence of defensive interventions, dart throwing provides a potentially fruitful testing ground for examining the presence of sequential performance effects in the motor domain. Methods and Results: A total of 80 competitive darts matches of 10 of the world's best players were scored from publicly available video footage in terms of sequences of hits and misses of triple 20...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29754329/efficacy-and-safety-of-sofosbuvir-plus-daclatasvir-with-or-without-ribavirin-large-real-life-results-of-patients-with-chronic-hepatitis-c-genotype-4
#20
Adel Abdel-Moneim, Alaa Aboud, Mohamed Abdel-Gabaar, Mohamed I Zanaty, Mohamed Ramadan
BACKGROUND AND AIM: Clinical studies evaluating the efficacy of daclatasvir (DCV) for treatment of chronic hepatitis C virus (HCV) genotype 4 (GT4) infection are scarce. This study aims to evaluate the efficacy and safety of DCV plus sofosbuvir (SOF) with or without ribavirin (RBV) for treatment of Egyptian patients infected with HCV GT4. METHODS: Between April 2016 and March of 2017, a large cohort of 946 patients with chronic HCV GT4 was enrolled for completing the treatment...
May 12, 2018: Hepatology International
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