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https://www.readbyqxmd.com/read/29245069/aqueous-extract-of-triphala-inhibits-cancer-cell-proliferation-through-perturbation-of-microtubule-assembly-dynamics
#1
Sanith Cheriyamundath, Tejashree Mahaddalkar, Shreyada N Save, Sinjan Choudhary, Ramakrishna V Hosur, Manu Lopus
Triphala (Trl) is an ayurvedic formulation used for treating disorders of the digestive, respiratory, and nervous systems. Its anticancer properties have also been documented. We studied effects of Trl on tubulin, a target protein for several anticancer drugs, and systematically elucidated a possible antiproliferative mechanism of action of Trl. Trl inhibited proliferation of HeLa (cervical adenocarcinoma), PANC-1 (pancreatic adenocarcinoma), and MDA-MB-231 (triple-negative breast carcinoma) cells in microgram quantities and strongly suppressed the clonogenicity of HeLa cells...
December 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29245060/activation-of-human-eosinophils-with-palladium-nanoparticles-pd-nps-importance-of-the-actin-cytoskeleton-in-pd-nps-induced-cellular-adhesion
#2
P Chhay, M Murphy-Marion, Y Samson, D Girard
Palladium (Pd) is known to be released into the environment in the fine and ultrafine (at the nanoscale) airborne particle fractions mainly from automobile catalytic converters leading to an increase human exposure to this noble metal. It was reported that Pd can induce allergic reactions in individuals exposed to it via different ways. Some studies reported an increased number of eosinophils into airways following NP exposure in vivo in rodent models of allergies and inflammation. Knowing the importance of eosinophils in allergies, asthma and other lung diseases, it is surprising to observe that the direct effect of Pd at the nanoscale in eosinophils has been poorly documented...
December 11, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29244827/neuroligin-4x-overexpression-in-human-breast-cancer-is-associated-with-poor-relapse-free-survival
#3
Henry J Henderson, Balasubramanyam Karanam, Rajeev Samant, Komal Vig, Shree R Singh, Clayton Yates, Deepa Bedi
The molecular mechanisms involved in breast cancer progression and metastasis still remain unclear to date. It is a heterogeneous disease featuring several different phenotypes with consistently different biological characteristics. Neuroligins are neural cell adhesion molecules that have been implicated in heterotopic cell adhesion. In humans, alterations in neuroligin genes are implicated in autism and other cognitive diseases. Until recently, neuroligins have been shown to be abundantly expressed in blood vessels and also play a role implicated in the growth of glioma cells...
2017: PloS One
https://www.readbyqxmd.com/read/29243778/apatinib-resensitizes-cisplatin-resistant-non-small-cell-lung-carcinoma-a549-cell-through-reversing-multidrug-resistance-and-suppressing-erk-signaling-pathway
#4
Z-L Liu, B-J Jin, C-G Cheng, F-X Zhang, S-W Wang, Y Wang, B Wu
OBJECTIVE: To observe the reversal effect of apatinib on the resistance to cisplatin (DDP) of A549/cisplatin (A549/DDP) cells and its relevant mechanism. MATERIALS AND METHODS: A549/DDP cells were treated with the control method, apatinib alone, DDP alone and DDP combined with apatinib. The cell proliferation was detected by the 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and the cell clone formation assay. The cell apoptosis was detected by Hoechst 33258 staining and annexin V and propidium iodide (PI) double labeling...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29243186/effect-of-root-canal-sealers-on-human-periodontal-ligament-fibroblast-viability-ex-vivo-study
#5
Grzegorz Szczurko, Małgorzata Pawińska, Elżbieta Łuczaj-Cepowicz, Anna Kierklo, Grażyna Marczuk-Kolada, Adam Hołownia
The aim of the study was to compare ex vivo the toxic effects of six root canal sealers immediately after mixing or setting on human periodontal ligament fibroblasts (HPdLF). Freshly mixed (I group) or set (allowed to dry for 24 h) (II group) specimens of AH Plus Jet (AH), Apexit Plus (AP), MTA Fillapex (FL), GuttaFlow (GF), MetaSEAL Soft (META), and Tubli-Seal (TS) were prepared. HPdLF were exposed for 24 h to the specimens. 3-(4,5-dimethylthiazolo-2-yl)-2,5-diphenyltetrazolium bromide assay was used to examine the effect of the root canal sealers on mitochondrial metabolic activity...
December 14, 2017: Odontology
https://www.readbyqxmd.com/read/29242036/seven-new-sesquineolignans-isolated-from-the-seeds-of-hawthorn-and-their-neuroprotective-activities
#6
Xiao-Xiao Huang, Qiang Ren, Xiao-Yu Song, Le Zhou, Guo-Dong Yao, Xiao-Bo Wang, Shao-Jiang Song
Seven new sesquineolignans (1-7) were isolated from the 70% ethanolic extract of the hawthorn seeds. Their structures were established by comprehensive spectroscopic analyses including 1D, 2D NMR, CD and HRESIMS data. The neuroprotective activity of the isolated sesquilignans towards H2O2-induced damage in human neuroblastoma SH-SY5Y cells was investigated. All of these sesquineolignans exhibited significant neuroprotective activity towards damaged SH-SY5Y cells, compared with the positive control (Trolox)...
December 11, 2017: Fitoterapia
https://www.readbyqxmd.com/read/29241458/inhibition-of-the-igf-signaling-pathway-reverses-cisplatin-resistance-in-ovarian-cancer-cells
#7
Juan Du, Hui-Rong Shi, Fang Ren, Jing-Lu Wang, Qing-Hua Wu, Xia Li, Rui-Tao Zhang
BACKGROUND: This study was aimed at investigating whether metformin can reverse the resistance of ovarian cancer cells to cisplatin and exploring the underlying mechanism. METHODS: Ovarian cancer cell proliferation in vitro was evaluated using a CCK-8 assay. The resistance index of platinum-resistant ovarian cancer cells was determined and cell cycle and apoptosis rate determined by annexin V/propidium iodide double-staining in CP70 cells. Western blotting was used to determine IGF1, IGF1R, AKT, p-IGF1, p-IGF1R, p-AKT, and MRP2 levels in cells treated with different concentrations of metformin and LY29400, an inhibitor of the insulin-like growth factor pathway...
December 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29241162/in-vitro-and-in-vivo-activity-of-fomitopsis-pinicola-sw-ex-fr-karst-chloroform-fpkc-extract-against-s180-tumor-cells
#8
Ye Gao, Pan Wang, Yaqin Wang, Lijie Wu, Xiaobing Wang, Kun Zhang, Quanhong Liu
BACKGROUND/AIMS: Non-toxic fomitopsis is has been traditionally used in folk medicine in many countries for its anti-inflammatory and anti-vascular disease activities. The present study investigates the antitumor effect of Fomitopsis pinicola (Sw. Ex Fr.) Karst chloroform extract (FPKc) on S180 tumor cells in vitro and in vivo and we determined the underlying mechanisms. METHODS: HPLC was employed to analyze the constituents of FPKc. In-vitro 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was performed to quantify the growth inhibition of FPKc; Propidium iodide (PI) exclusion assay and scanning electron microscopy (SEM) were used to observe the damage on the cell membrane and the changes of the cell morphology; Staining with Hoechst 33342/propidium iodide (HO/PI) and the application of the Annexin V-FITC/PI analysis permitted to observe the cell death triggered by FPKc; DNA damage and cell cycle arrest were detected by flow cytometry; Rhodamine 123 (RH123) and Cytochrome C were used as dyes to investigate the alterations of the mitochondria...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29240248/sperm-binding-to-porcine-oviductal-cells-is-mediated-by-srcr-domains-contained-in-dmbt1
#9
María Lorena Roldán, Juan Manuel Teijeiro, Jimena Ruiz Álvarez, Patricia Estela Marini
The oviduct is an organ in which a subpopulation of sperm is stored in a reservoir, preserving its fertilizing potential. In porcine, two oviductal proteins have been identified in relation to sperm binding, Annexin A2 and Deleted in Malignant Brain Tumour 1 (DMBT1). DMBT1 is a multifunctional, multidomain glycoprotein and the characteristics of all of its domains, as well as its carbohydrates, make them candidates for sperm binding. In this work, we challenge sperm for binding to pig oviductal cells on primary culture, after treatment with antibodies specific for the different domains present in DMBT1...
December 14, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29238471/the-effects-of-specific-expression-of-apoptin-under-the-control-of-pses-and-psa-promoter-on-cell-death-and-apoptosis-of-lncap-cells
#10
Vida Mohammadi, Abbas Behzad Behbahani, Gholam Reza Rafiee, Seyed Younes Hosseini, Marzieh Alizadeh Zarei, Mohammad Ali Okhovat, Mohammad Ali Takhshid
Objectives: Apoptotic effect of apoptin has been demonstrated in numerous studies. However, its tumor specificity has been questioned by some reports. The aim of this study was to confine the expression of apoptin in the prostate tumor cells by inducing its gene expression under the control of a chimeric enhancer composing of prostate-specific membrane antigen (PSMA) and prostate-specific antigen (PSA) regulatory elements (PSES). Furthermore, we investigated the effects of apoptin expression on LNCaP prostate carcinoma cell survival and apoptosis using MTT assay and annexin V/7-AAD flow cytometry assay...
December 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29238202/antitumor-effects-of-pristimerin-on-human-osteosarcoma-cells-in-vitro-and-in-vivo
#11
Yuki Mori, Toshiharu Shirai, Ryu Terauchi, Shinji Tsuchida, Naoki Mizoshiri, Daichi Hayashi, Yuji Arai, Tunao Kishida, Osam Mazda, Toshikazu Kubo
There are very few treatments for musculoskeletal tumors, compared to other cancers; thus, novel therapeutic drugs are needed. Pristimerin (PM) is a triterpene compound isolated from plant extracts that reportedly has antitumor effects on various cancers, such as of the breast and prostate. The purpose of this study was to evaluate the antitumor effects of PM on human osteosarcoma cells. Treatment of the human osteosarcoma cell lines, MNNG and 143B, with PM led to a dose-dependent decrease in cell viability...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29238189/diethyl-citrate-and-sodium-citrate-reduce-the-cytotoxic-effects-of-nanosized-hydroxyapatite-crystals-on-mouse-vascular-smooth-muscle-cells
#12
Chong-Yu Zhang, Xin-Yuan Sun, Jian-Ming Ouyang, Bao-Song Gui
Objective: This study aimed to investigate the damage mechanism of nanosized hydroxyapatite (nano-HAp) on mouse aortic smooth muscle cells (MOVASs) and the injury-inhibiting effects of diethyl citrate (Et2Cit) and sodium citrate (Na3Cit) to develop new drugs that can simultaneously induce anticoagulation and inhibit vascular calcification. Methods: The change in cell viability was evaluated using a cell proliferation assay kit, and the amount of lactate dehydrogenase (LDH) released was measured using an LDH kit...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29237426/long-non-coding-rna-malat1-protects-preterm-infants-with-bronchopulmonary-dysplasia-by-inhibiting-cell-apoptosis
#13
Cheng Cai, Jiajun Qiu, Gang Qiu, Yihuan Chen, Zhijun Song, Juan Li, Xiaohui Gong
BACKGROUND: Bronchopulmonary dysplasia (BPD) is a neonatal chronic lung disease characterized by impaired pulmonary alveolar development in preterm infants. Until now, little is known about the molecular and cellular basis of BPD. There is increasing evidence that lncRNAs regulate cell proliferation and apoptosis during lung organogenesis. The potential role of lncRNAs in the pathogenesis of BPD is unclear. This study aims to clarify the role of MALAT1 during the process of BPD in preterm infants and illustrate the protective effect of MALAT1 involved in preterm infants...
December 13, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29234088/tear-proteome-analysis-in-ocular-surface-diseases-using-label-free-lc-ms-ms-and-multiplexed-microarray-biomarker-validation
#14
Javier Soria, Arantxa Acera, Jesús Merayo-LLoves, Juan A Durán, Nerea González, Sandra Rodriguez, Nikitas Bistolas, Soeren Schumacher, Frank F Bier, Harald Peter, Walter Stöcklein, Tatiana Suárez
We analyzed the tear film proteome of patients with dry eye (DE), meibomian gland dysfunction (MGD), and normal volunteers (CT). Tear samples were collected from 70 individuals. Of these, 37 samples were analyzed using spectral-counting-based LC-MS/MS label-free quantitation, and 33 samples were evaluated in the validation of candidate biomarkers employing customized antibody microarray assays. Comparative analysis of tear protein profiles revealed differences in the expression levels of 26 proteins, including protein S100A6, annexin A1, cystatin-S, thioredoxin, phospholipase A2, antileukoproteinase, and lactoperoxidase...
December 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29233688/a-preliminary-investigation-of-the-toxic-effects-of-benzylpenicilloic-acid
#15
Cheng Cui, Huijun Lu, Qi Hui, Shiying Lu, Yan Liu, Waqas Ahmad, Yang Wang, Pan Hu, Xilin Liu, Yan Cai, Lingjiu Liu, Xiang Zhang, Ke Zhao, Yansong Li, Honglin Ren, Ningyi Jin, Zengshan Liu
Benzylpenicilloic acid (BPNLA) is a major cleavage product of benzylpenicillin G (BP) generated after heating treatment. It is found in animal derived products from the unstable residual penicillin. Previous studies have only reported the allergic reaction caused by BPNLA, but not described its toxicity. In this study, the toxicity of BPNLA was evaluated to report the potential public health risk posed by animal derived products using in vivo and in vitro models, including the acute toxicity assays, cytotoxicity assays, apoptosis assays and cell cycle progression assay...
December 9, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29233185/phosphoproteomics-reveals-network-rewiring-to-a-pro-adhesion-state-in-annexin-1-deficient-mammary-epithelial-cells
#16
Asfa Alli-Shaik, Sheena Wee, Lina H K Lim, Jayantha Gunaratne
BACKGROUND: Annexin-1 (ANXA1) plays pivotal roles in regulating various physiological processes including inflammation, proliferation and apoptosis, and deregulation of ANXA1 functions has been associated with tumorigenesis and metastasis events in several types of cancer. Though ANXA1 levels correlate with breast cancer disease status and outcome, its distinct functional involvement in breast cancer initiation and progression remains unclear. We hypothesized that ANXA1-responsive kinase signaling alteration and associated phosphorylation signaling underlie early events in breast cancer initiation events and hence profiled ANXA1-dependent phosphorylation changes in mammary gland epithelial cells...
December 12, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29232661/downregulation-of-long-noncoding-rna-gas5-affects-cell-cycle-and-insulin-secretion-in-mouse-pancreatic-%C3%AE-cells
#17
Feiyan Jin, Ning Wang, Yanan Zhu, Lianghui You, Lintao Wang, Wei De, Wei Tang
BACKGROUND: Evidence shows that long non-coding RNAs (lncRNAs) are involved in individual development, cell differentiation, cell cycle processes and other important life processes and are closely related to major human diseases, including diabetes. Recent studies have reported that lncRNAs are involved in β cell functions and that lncRNA Gas5 levels decreased in T2DM patients' serum. The purpose of this study was to clarify the role of lncRNA Gas5 in mouse β cell functions in vitro and in vivo...
October 23, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29232002/effects-of-microrna-93-on-mouse-cardiac-microvascular-endothelial-cells-injury-and-inflammatory-response-by-mediating-spp1-through-the-nf-%C3%AE-b-pathway
#18
Su-Xia Ma, Zhi-Feng Bai, Wei Wang, Hui-Ying Wu
BACKGROUND: This study aims to investigate the regulative role of microRNA-93 (miR-93) in mouse cardiac microvascular endothelial cells (CMECs) injury and inflammatory response by negatively targeting SPP1 gene via the NF-κB signaling pathway. METHODS: Healthy Balb/c mice were recruited to establish mouse model with myocarditis using CVB3 virus. Mice were grouped into the normal, blank, negative control (NC), miR-93 inhibitor, miR-93 mimic, SPP1 shRNA and miR-93 mimic + SPP1 shRNA groups...
December 12, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29231261/lncrna-awpph-inhibits-smad4-via-ezh2-to-regulate-bladder-cancer-progression
#19
Feng Zhu, Xinjun Zhang, Qinnan Yu, Guangye Han, Fengxia Diao, Chunlei Wu, Yan Zhang
This study aimed to investigate the effect and underlying mechanism of lncRNA AWPPH in bladder cancer (BC). Totally, 20 Ta-T1 stage BC tissues, 20 T2-T4 stage BC tissues and 20 normal bladder tissues, as well as human bladder epithelial cell line SV-HUC-1, human BC cell lines RT4 and T24 were obtained to detect the levels of AWPPH, enhancer of zeste homolog 2 (EZH2), and SMAD4 using RT-qPCR or western blotting. RT4 cells were transfected with pc-AWPPH, pc-EZH2 or pc-control, and T24 cells were transfected with si-AWPPH, si-EZH2, si-control, or pc-AWPPH + pc-SMAD4, respectively...
December 12, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29228983/characterization-of-interactions-between-hepatitis-c-virus-ns5b-polymerase-annexin-a2-and-rna-effects-on-ns5b-catalysis-and-allosteric-inhibition
#20
Sara M Ø Solbak, Eldar Abdurakhmanov, Anni Vedeler, U Helena Danielson
BACKGROUND: Direct acting antivirals (DAAs) provide efficient hepatitis C virus (HCV) therapy and clearance for a majority of patients, but are not available or effective for all patients. They risk developing HCV-induced hepatocellular carcinoma (HCC), for which the mechanism remains obscure and therapy is missing. Annexin A2 (AnxA2) has been reported to co-precipitate with the non-structural (NS) HCV proteins NS5B and NS3/NS4A, indicating a role in HCC tumorigenesis and effect on DAA therapy...
December 11, 2017: Virology Journal
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