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https://www.readbyqxmd.com/read/27918735/comparative-immunoexpression-of-icam-1-tgf-%C3%AE-1-and-ki-67-in-periapical-and-residual-cysts
#1
R Martins, L Armada, T-C Dos Santos, F-R Pires
BACKGROUND: This study compared the immunohistochemical expression of ki-67, transforming growth factor beta 1 (TGF-β1) and intercellular adhesion molecule-1 (ICAM-1) in inflammatory periapical cysts and residual cysts. MATERIAL AND METHODS: The study sample was composed by 25 periapical cysts and 25 residual cysts and immunohistochemical reactions were carried out using antibodies directed against ICAM-1, TGF-β1 and ki-67. Clinical, radiological, gross, histological and immunohistochemical data were tabulated for descriptive and comparative analysis using the SPSS software and differences were considered statistically significant when p<0...
December 6, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/27915273/altered-mirna-expression-in-high-fat-diet-induced-prostate-cancer-progression
#2
Taketoshi Nara, Shintaro Narita, Huang Mingguo, Toshiaki Yoshioka, Atsushi Koizumi, Kazuyuki Numakura, Hiroshi Tsuruta, Atsushi Maeno, Mitsuru Saito, Takamitsu Inoue, Norihiko Tsuchiya, Shigeru Satoh, Tomonori Habuchi
Recent evidence suggests that a high-fat diet (HFD) plays an important role in prostate carcinogenesis; however, underlying mechanisms largely remain unknown. Here, we investigated microRNA (miRNA) expression changes in murine prostate cancer (PCa) xenografts using two different diets: HFD and control diet. We then assessed the roles and targets of altered miRNAs in HFD-induced PCa progression. We identified 38 up- and 21 downregulated miRNAs in xenografts under HFD conditions using the miRCURY LNA™ microRNA array...
December 2016: Carcinogenesis
https://www.readbyqxmd.com/read/27909902/obesity-and-oesophageal-cancer
#3
Katharina Nimptsch, Annika Steffen, Tobias Pischon
A substantial increase in the incidence of oesophageal adenocarcinoma has been observed in Western countries during the past 30 years, which may be related to the parallel rise of the obesity prevalence. On the other hand, incidence rates of oesophageal squamous cell carcinomas, the other major histological type of oesophageal cancer, have remained relatively stable. Epidemiological research of the past decades has identified obesity as risk factor for oesophageal adenocarcinoma. Studies investigating general obesity as assessed by body mass index (BMI) provide evidence for a strong positive association with oesophageal adenocarcinoma...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27906635/a-specific-inhibitor-of-lactate-dehydrogenase-overcame-the-resistance-toward-gemcitabine-in-hypoxic-mesothelioma-cells-and-modulated-the-expression-of-the-human-equilibrative-transporter-1
#4
Elisa Giovannetti, Leticia G Leon, Valentina E Gómez, Paolo A Zucali, Filippo Minutolo, Godefridus J Peters
Malignant pleural mesothelioma (MPM) is a very hypoxic malignancy, and hypoxia has been associated with resistance towards gemcitabine. The muscle-isoform of lactate dehydrogenase (LDH-A) constitutes a major checkpoint for the switch to anaerobic glycolysis. Therefore we investigated the combination of a new LDH-A inhibitor (NHI-1) with gemcitabine in MPM cell lines. Under hypoxia (O2 tension of 1%) the cell growth inhibitory effects of gemcitabine, were reduced, as demonstrated by a 5- to 10-fold increase in IC50s...
December 2016: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/27891832/cortisol-in-human-milk-predicts-child-bmi
#5
Jennifer Hahn-Holbrook, Tran Bao Le, Anna Chung, Elysia Poggi Davis, Laura M Glynn
OBJECTIVE: Breastfeeding has been linked to lower rates of childhood obesity. Human milk contains cortisol, known to regulate glucose storage and metabolism. The aim of this study was to to test the hypothesis that early exposure to cortisol in human breast milk helps to modulate infant body mass index (BMI) trajectories over the first 2 years of life. METHODS: Growth curve modeling was used to examine whether infant exposure to cortisol in human milk at 3 months predicted changes in child body mass index percentile (BMIP) at 6, 12, and 24 months of age in 51 breastfeeding mother-child pairs...
December 2016: Obesity
https://www.readbyqxmd.com/read/27868360/global-transcriptome-responses-including-small-rnas-during-mixed-species-interactions-with-methicillin-resistant-staphylococcus-aureus-and-pseudomonas-aeruginosa
#6
Christine L Miller, Tricia A Van Laar, Tsute Chen, S L Rajasekhar Karna, Ping Chen, Tao You, Kai P Leung
Pseudomonas aeruginosa and Staphylococcus aureus mixed-species biofilm infections are more resilient to biocide attacks compared to their single-species counterparts. Therefore, this study used an in vitro model recapitulating bacterial burdens seen in in vivo infections to investigate the interactions of P. aeruginosa and S. aureus in biofilms. RNA sequencing (RNA-seq) was utilized to identify the entire genomic response, both open reading frames (ORFs) and small RNAs (sRNAs), of each species. Using competitive indexes, transposon mutants validated uncharacterized PA1595 of P...
November 21, 2016: MicrobiologyOpen
https://www.readbyqxmd.com/read/27863471/tanshinone-iia-combined-with-adriamycin-inhibited-malignant-biological-behaviors-of-nsclc-a549-cell-line-in-a-synergistic-way
#7
Jun Xie, Jia-Hui Liu, Heng Liu, Xiao-Zhong Liao, Yuling Chen, Mei-Gui Lin, Yue-Yu Gu, Tao-Li Liu, Dong-Mei Wang, Hui Ge, Sui-Lin Mo
BACKGROUND: The study was designed to develop a platform to verify whether the extract of herbs combined with chemotherapy drugs play a synergistic role in anti-tumor effects, and to provide experimental evidence and theoretical reference for finding new effective sensitizers. METHODS: Inhibition of tanshinone IIA and adriamycin on the proliferation of A549, PC9 and HLF cells were assessed by CCK8 assays. The combination index (CI) was calculated with the Chou-Talalay method, based on the median-effect principle...
November 18, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27857821/carotid-artery-atherosclerosis-in-patients-with-active-rheumatoid-arthritis-predictors-of-plaque-occurrence-and-progression-over-24-weeks
#8
Janet E Pope, Tatiana Nevskaya, Lillian Barra, Grace Parraga
INTRODUCTION: This study evaluated the prevalence and progression of subclinical carotid artery atherosclerosis in active rheumatoid arthritis (RA). METHODS: Carotid arteries of RA patients were scanned using 3D ultrasound at baseline and 24 weeks for total plaque area, vessel wall volume, and intima-media thickness (IMT), as well as arterial stiffness measured using pulse wave velocity. Variables related to inflammation, lipids and cardiovascular (CV) risk were assessed for associations with plaque progression...
2016: Open Rheumatology Journal
https://www.readbyqxmd.com/read/27835914/efficacy-of-postoperative-radiotherapy-in-patients-with-pathological-stage-n2-epidermal-growth-factor-receptor-wild-type-adenocarcinoma-and-squamous-cell-carcinoma-lung-cancer
#9
Yen-Kuang Lin, Han-Lin Hsu, Wei-Cheng Lin, Jer-Hwa Chang, Yw-Chun Chang, Chia-Lun Chang, Kevin Sheng-Po Yuan, Alexander T H Wu, Szu-Yuan Wu
PURPOSE: Few large, prospective, randomized studies have compared the effects of postoperative radiotherapy (PORT) in pathological N2 (pN2) with those of surgical resection alone. in terms of long-term survival in lung adenocarcinoma (adenoCA; wild-type [WT] epidermal growth factor receptor [EGFR]) and squamous cell carcinoma (squCA) settings. This nationwide cohort study clarifies the role of PORT in the survival of pN2 lung adenoCA (WT EGFR) and squCA patientsPatients and Methods: We analyzed data of patients with adenoCA (WT EGFR) and squCA collected from the Taiwan Cancer Registry database...
November 9, 2016: Oncotarget
https://www.readbyqxmd.com/read/27771244/a-study-of-combination-bicalutamide-and-raloxifene-for-patients-with-castration-resistant-prostate-cancer
#10
Thai H Ho, Rafael Nunez-Nateras, Yue-Xian Hou, Alan H Bryce, Donald W Northfelt, Amylou C Dueck, Bryan Wong, Melissa L Stanton, Richard W Joseph, Erik P Castle
BACKGROUND: Prostate tissue expresses 2 estrogen receptor (ER) isoforms, ER-α and ER-β, and estrogen-based therapies have shown activity in preclinical studies. Raloxifene, a selective ER modulator, has inhibited the growth of prostate cancer xenograft models and was tested in a phase II trial of castration-resistant prostate cancer (CRPC), with some patients achieving stable disease. However, no studies have examined the safety of the combination of bicalutamide plus raloxifene for CRPC...
September 8, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/27769269/explaining-parent-child-dis-agreement-in-generic-and-short-stature-specific-health-related-quality-of-life-reports-do-family-and-social-relationships-matter
#11
Julia Quitmann, Anja Rohenkohl, Rachel Sommer, Monika Bullinger, Neuza Silva
BACKGROUND: In the context of health-related quality of life (HrQoL) assessment in pediatric short stature, the present study aimed to examine the levels of agreement/disagreement between parents' and children's reports of generic and condition-specific HrQoL, and to identify socio-demographic, clinical and psychosocial variables associated with the extent and direction of parent-child discrepancies. METHODS: This study was part of the retest phase of the QoLISSY project, which was a multicenter study conducted simultaneously in France, Germany, Spain, Sweden and UK...
October 21, 2016: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/27769173/serum-insulin-like-growth-factor-1-and-its-binding-protein-7-potential-novel-biomarkers-for-heart-failure-with-preserved-ejection-fraction
#12
Michael Coll Barroso, Frank Kramer, Stephen J Greene, Daniel Scheyer, Till Köhler, Martin Karoff, Melchior Seyfarth, Mihai Gheorghiade, Wilfried Dinh
BACKGROUND: Insulin-like growth factor binding protein-7 (IGFBP-7) modulates the biological activities of insulin-like growth factor-1 (IGF-1). Previous studies demonstrated the prognostic value of IGFBP-7 and IGF-1 among patients with systolic heart failure (HF). This study aimed to evaluate the IGF1/IGFBP-7 axis in HF patients with preserved ejection fraction (HFpEF). METHODS: Serum IGF-1 and IGFBP-7 levels were measured in 300 eligible consecutive patients who underwent comprehensive cardiac assessment...
October 21, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27758717/pharmacological-activation-of-protein-phosphatase-2-a-pp2a-activity-a-novel-strategy-to-fight-against-human-malignancies
#13
Maria Rosaria Carratù, Anna Signorile, Domenico De Rasmo, Antonia Reale, Angelo Vacca
BACKGROUND: The serine-threonine protein phosphatase 2A (PP2A) regulates multiple cell signaling cascades and its inactivation by viral oncoproteins, mutation of specific structural subunits or upregulation of the cellular endogenous inhibitors may contribute to malignant transformation by regulating specific phosphorylation events. Pharmacological modulation of PP2A activity is becoming an attractive strategy for cancer treatment. Some compounds targeting PP2A are able to induce PP2A reactivation and subsequent cell death in several types of cancer...
October 14, 2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27743029/calculation-of-optimal-gestation-weight-gain-in-pre-pregnancy-underweight-women-due-to-body-mass-index-change-in-relation-to-mother-s-height
#14
Zoran Meštrović, Damir Roje, Marko Vulić, Mirela Zec
BACKGROUND: Optimal gestational weight gain has not yet been clearly defined and remains one of the most controversial issues in modern perinatology. The role of optimal weight gain during pregnancy is critical, as it has a strong effect on perinatal outcomes. PURPOSE: In this study, gestational body mass index (BMI) change, accounting for maternal height, was investigated as a new criterion for gestational weight gain determination, in the context of fetal growth assessment...
October 14, 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/27689414/igf-binding-proteins-protect-undifferentiated-spermatogonia-in-the-zebrafish-testis-against-excessive-differentiation
#15
Diego Safian, Roberto D Morais, Jan Bogerd, Rüdiger W Schulz
Insulin-like growth factor (Igf) binding proteins (Igfbps) modulate the availability of Igfs for their cognate receptors. In zebrafish testes, Igf3 promotes the proliferation and differentiation of type A undifferentiated (Aund) spermatogonia, and igf3 expression is strongly elevated by Fsh, but also responds to T3. Here, we report the effects of Fsh and T3 on igfbp transcript levels in adult zebrafish testis. We then examined T3 and Fsh effects on zebrafish spermatogenesis and explored the relevance of Igfbps in modulating these T3 or Fsh effects, using a primary tissue culture system for adult zebrafish testis...
September 30, 2016: Endocrinology
https://www.readbyqxmd.com/read/27666654/folic-acid-enhances-the-apoptotic-and-genotoxic-activity-of-carboplatin-in-hela-cell-line
#16
N Nikoloff, M V Ponzinibbio, G Padula, J C De Luca, C D Golijow, A Seoane
In human tumor cells, experimental and clinical evidence indicates that some factors involved in signal transduction and cell growth can also modulate the response to chemotherapeutic treatment. The aim of the present study was to investigate the role of folic acid (FA) as a modulator of carboplatin (CBDCA) activity. Genotoxicity and cytotoxicity induced by CBDCA alone and in combination with FA were assessed in cultured HeLa cells. We used comet assay, mitotic index analysis, MTT and NR assays, cytokinesis-block micronucleus cytome assay and annexin V-IP as different cytotoxicity and genotoxicity approaches for human cervical carcinoma cell line studies...
December 2016: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/27618036/susceptibility-and-immune-defence-mechanisms-of-rhynchophorus-ferrugineus-olivier-coleoptera-curculionidae-against-entomopathogenic-fungal-infections
#17
Abid Hussain, Muhammad Rizwan-Ul-Haq, Hassan Al-Ayedh, Ahmed Mohammed AlJabr
Insects infected with entomopathogenic fungi, experience physiological changes that influence their growth and immune defence. The potential of nine isolates of entomopathogenic fungi was evaluated after determining percent germination and relative conidial hydrophobicity. However, nutritional indices were evaluated after immersing eighth-instar Rhynchophorus ferrugineus larvae into each isolate suspension (1 × 10⁷ conidia/mL). The results showed that isolates B6884 and M9374 had 44.51% and 39.02% higher conidial hydrophobicity compared with isolate I03011 (least virulent)...
2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27587602/diuretics-prevent-rho-kinase-activation-and-expression-of-profibrotic-oxidative-genes-in-the-hypertensive-aortic-wall
#18
Patricio Araos, David Mondaca, Jorge E Jalil, Cristián Yañez, Ulises Novoa, Italo Mora, María Paz Ocaranza
BACKGROUND: Diuretics are current antihypertensive drugs since they reduce blood pressure and cardiovascular risk. Increased vascular tone is modulated in a relevant way by the RhoA/Rho-kinase (ROCK) pathway, by acting on vascular smooth muscle cell contraction. This pathway has also proremodeling vascular effects. There are few data on the role of diuretics on both vascular ROCK activation and on proremodeling effects. We assessed the effects of hydrochlorothiazide (HCTZ) and spironolactone (spiro) alone and in combination with the ROCK inhibitor fasudil (FAS) on ROCK activation, gene expression of proremodeling markers and on hypertrophy in the aortic wall of hypertensive rats...
September 1, 2016: Therapeutic Advances in Cardiovascular Disease
https://www.readbyqxmd.com/read/27584138/electrical-stimulation-based-on-chronaxie-increases-fibrosis-and-modulates-tweak-fn14-tgf-%C3%AE-myostatin-and-mmp-pathways-in-denervated-muscles
#19
Clara Maria Pinheiro-Dardis, Thiago Luiz Russo
OBJECTIVE: The aim of this work was to investigate the effects of electrical stimulation (ES) of denervated muscles of rat in neuromuscular performance, muscle atrophy, and fibrosis formation. DESIGN: Wistar rats were divided into normal (N), 7- or 15-day denervation (D7d and D15d), D7d or D15d plus ES (DES7d and DES15d, respectively). Sciatic nerves were crushed causing muscle denervation. Two hundred muscle contractions were electrically induced daily by surface electrodes, considering muscle chronaxie...
August 31, 2016: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/27581819/association-of-sp1-and-survivin-in-epithelial-ovarian-cancer-sp1-inhibitor-and-cisplatin-a-novel-combination-for-inhibiting-epithelial-ovarian-cancer-cell-proliferation
#20
Umesh T Sankpal, Susan B Ingersoll, Sarfraz Ahmad, Robert W Holloway, Vadiraja B Bhat, Jerry W Simecka, Liz Daniel, Ekamber Kariali, Jamboor K Vishwanatha, Riyaz Basha
The expression of specificity protein 1 (Sp1) and survivin was evaluated in clinical specimens of epithelial ovarian cancer (EOC) patients. When compared to normal tissue, EOC samples showed high expression of Sp1 and survivin using qPCR (Sp1: ∼2-fold; survivin: ∼5-fold) and Western blot (Sp1: >2.6-fold; survivin: >100-fold). The Sp1 inhibitor, and anti-cancer small molecule, tolfenamic acid (TA), was tested to enhance the response of Cisplatin (Cis) in EOC cell lines. Cell viability (CellTiter-Glo), combination index (CalcuSyn software), apoptosis (Annexin-V staining), cell cycle analyses (flow cytometry), and reactive oxygen species (flow cytometry) were determined...
August 31, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
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