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https://www.readbyqxmd.com/read/28430744/activation-of-a-c-jun-n-terminal-kinase-mediated-autophagy-pathway-attenuates-the-anticancer-activity-of-gemcitabine-in-human-bladder-cancer-cells
#1
Xiao-Long Huang, Hao Zhang, Xiao-Yu Yang, Xiao-Yong Dong, Xiang-Yu Xie, Hu-Bin Yin, Xin Gou, Yong Lin, Wei-Yang He
The role of autophagy in the anticancer activity of gemcitabine (GEM) in bladder cancer is unclear. The aim of this study is to determine whether GEM activates autophagy, the role of autophagy in the anticancer activity of GEM, and the underlying mechanism by which GEM induces autophagy. Human bladder cancer cell lines T24 and BIU87 were treated with GEM in vitro. Cell viability was measured using the Cell Counting Kit-8 assay. Apoptosis was detected by annexin V assay and western blot. Autophagy was measured by western blot and transmission electron microscopy...
April 20, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28430001/annexins-in-cell-migration-and-adhesion
#2
Thomas Grewal
No abstract text is available yet for this article.
April 21, 2017: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/28429360/effects-of-silencing-annexin-a5-on-proliferation-and-invasion-of-human-cholangiocarcinoma-cell-line
#3
X-M Ding, J-X Li, K Wang, Z-S Wu, A-H Yao, C-Y Jiao, J-J Qian, D-S Bai, X-C Li
OBJECTIVE: We investigated the expression of annexin A5 (ANXA5) in human cholangiocarcinoma (CCA) cell line and its effect on proliferation, migration, and apoptosis of human CCA cells. MATERIALS AND METHODS: Expression of ANXA5 was detected by fluorescent quantitative reverse transcriptase polymerase chain reaction (qRT-PCR) and western blotting method in 2 human CCA cell lines, QBC939 and RBE. 3 shRNA plasmids for ANXA5 silencing (ANXA5-sh1, ANXA5-sh2, ANXA5-sh3) and 1 negative control plasmid were constructed to infect QBC939 cells...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28428997/identification-of-annexin-a2-as-a-target-protein-for-plant-alkaloid-matrine
#4
Dongyao Wang, Yan Cao, Leyi Zheng, Diya Lv, Langdong Chen, Xinrui Xing, Zhenyu Zhu, Xiaoyu Li, Yifeng Chai
Matrine is a plant alkaloid and a major active component in the Chinese medical herb Sophora flavescens. Matrine has shown potent anti-cancer activities but its molecular target(s) and mechanism are still unknown. Using the photo-affinity labeling approach, for the first time, Annexin A2 was identified as a direct-binding target of matrine in cancer cells.
April 21, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28427207/mir-205-inhibits-cell-growth-by-targeting-akt-mtor-signaling-in-progesterone-resistant-endometrial-cancer-ishikawa-cells
#5
Zhihong Zhuo, Huimin Yu
PURPOSE: miR-205 is significantly up-regulated in endometrioid adenocarcinoma. In this study, the significant anticancer effect of a miR-205 inhibitor was investigated in both endometrial carcinoma and progesterone-resistant endometrial carcinoma cells. RESULTS: Compared with Ishikawa endometrial cancer cells, miR-205 was expressed at higher levels in a progesterone-resistant (PR) sub-cell line. Inhibition of miR-205 suppressed the growth of cancer cells in a dose- and time-dependent manner...
March 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427129/-the-role-of-foxo3a-bim-signaling-in-triptolide-induced-bladder-cancer-t24-cells-apoptosis
#6
L L Yang, X Y Wang, L Y Zheng, S J Fang, M Xu, Z W Zhao, J S Ji
Objective: To investigate the role of FOXO3a-Bim signaling in triptolide induced bladder cancer T24 cells apoptosis. Methods: T24 cells were used and divided into control group, triptolide group(50 nmol/L), MK2206 group(50 nmol/L triptolide+ 5 μmol/L MK2206), FOXO3a-siRNA group(50 nmol/L triptolide+ 100 nmol/L FOXO3a-siRNA), Bim-siRNA group (50 nmol/L triptolide+ 100 nmol/L Bim-siRNA). MTT assay was used to analyze the cells growth inhibition.Annexin V/PI staining was implemented to detect cell apoptosis rate, the expression of p-Akt, Akt, p-FOXO3a, FOXO3a, Bim, Bax...
April 18, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28424416/loss-of-thyroid-hormone-receptor-interactor-13-inhibits-cell-proliferation-and-survival-in-human-chronic-lymphocytic-leukemia
#7
Keshu Zhou, Wentao Zhang, Qing Zhang, Ruirui Gui, Huifang Zhao, Xiaofei Chai, Yufu Li, Xudong Wei, Yongping Song
BACKGROUND: The genetic regulation of apoptosis and cell proliferation plays a role in the growth of chronic lymphocytic leukemia (CLL), the most common form of leukemia in the Western hemisphere. Although thyroid hormone receptor interactors (TRIPs) are known to play roles in cell cycle, the potential involvement of the novel family member TRIP13 in CLL has not yet been investigated. METHODS: Quantitative PCR (qPCR) was used to detect expression of TRIP13 in 36 CLL patients and 33 healthy donors CD19+ B cells...
March 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28424241/microbiota-induced-antibodies-are-essential-for-host-inflammatory-responsiveness-to-sterile-and-infectious-stimuli
#8
Daniel Cisalpino, Caio T Fagundes, Camila B Brito, Fernando R Ascenção, Celso M Queiroz-Junior, Angélica T Vieira, Lirlândia P Sousa, Flávio A Amaral, Leda Q Vieira, Jacques R Nicoli, Mauro M Teixeira, Danielle G Souza
The indigenous intestinal microbiota is frequently considered an additional major organ of the human body and exerts profound immunomodulating activities. Germ-free (GF) mice display a significantly different inflammatory responsiveness pattern compared with conventional (CV) mice, and this was dubbed a "hyporesponsive phenotype." Taking into account that the deposition of immune complexes is a major event in acute inflammation and that GF mice have a distinct Ig repertoire and B cell activity, we aimed to evaluate whether this altered Ig repertoire interferes with the inflammatory responsiveness of GF mice...
April 19, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28423667/saline-is-a-more-appropriate-solution-for-microvesicles-for-flow-cytometric-analyses
#9
Xing Xin, Peiling Zhang, Xing Fu, Xia Mao, Fankai Meng, Ming Tian, Xiaojian Zhu, Hanying Sun, Li Meng, Jianfeng Zhou
Microvesicles (MVs) are carriers of molecular and oncogenic signatures present in subsets of tumor cells and tumor-associated stroma, and a focus of cancer research. Although methods to detect MVs are mature, we were concerned that the buffer used could lead to false results when quantitating MVs by flow cytometry. In this work,we detected MVs by flow cytometry withthree different solutions: water, saline, and phosphate-buffered saline (PBS). The results demonstrated that PBS, when reacted with annexin V binding buffer, produced nano-sized vesicles even when there were no MVs in the sample...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423508/annexin-a13-promotes-tumor-cell-invasion-in-vitro-and-is-associated-with-metastasis-in-human-colorectal-cancer
#10
Guozhong Jiang, Pengju Wang, Weiwei Wang, Wencai Li, Liping Dai, Kuisheng Chen
PURPOSE: Aberrantly upregulated expression of selected members of annexin, a group of calcium- and membrane-binding proteins, have been found to be associated with metastasis, poor prognosis, and other clinical characteristics in colorectal cancer (CRC), the third most diagnosed cancer. However, ANXA13 (encoding protein annexin A13), the original founder gene of the annexin A family, has not been studied carefully as a potential prognostic biomarker in CRC. METHODS: The protein level of annexin A13 was determined by western blot in a panel of CRC cell lines...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422390/naringin-abates-adverse-effects-of-cadmium-mediated-hepatotoxicity-an-experimental-study-using-hepg2-cells
#11
Visesh Kumar Rathi, Shubhankar Das, Archana Parampalli Raghavendra, Bola Sadashiva Satish Rao
This study investigated the protective potential of Naringin (NIN) against cadmium chloride (CdCl2 ) mediated hepatotoxicity using human hepatocellular carcinoma (HepG2) cells. An optimal concentration of NIN (5 μM) was potent enough to confer cytoprotection against CdCl2 (50 μM) as was observed by MTT assay. Preconditioning with NIN maintained redox homeostasis, mitochondrial membrane potential, and reduced apoptosis as marked by decrease in the percentage sub-G0 /G1 and Annexin V-FITC/propidium iodide positive cells (apoptotic)...
April 19, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28422051/annexins-as-overlooked-regulators-of-membrane-trafficking-in-plant-cells
#12
REVIEW
Dorota Konopka-Postupolska, Greg Clark
Annexins are an evolutionary conserved superfamily of proteins able to bind membrane phospholipids in a calcium-dependent manner. Their physiological roles are still being intensively examined and it seems that, despite their general structural similarity, individual proteins are specialized toward specific functions. However, due to their general ability to coordinate membranes in a calcium-sensitive fashion they are thought to participate in membrane flow. In this review, we present a summary of the current understanding of cellular transport in plant cells and consider the possible roles of annexins in different stages of vesicular transport...
April 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28421411/seleno-short-chain-chitosan-induces-apoptosis-in-human-non-small-cell-lung-cancer-a549-cells-through-ros-mediated-mitochondrial-pathway
#13
Yana Zhao, Shaojing Zhang, Pengfei Wang, Shengnan Fu, Di Wu, Anjun Liu
Seleno-short-chain chitosan (SSCC) is a synthesized chitosan derivative. In this study, antitumor activity and underlying mechanism of SSCC on human non-small-cell lung cancer A549 cells were investigated in vitro. The MTT assay showed that SSCC could inhibit cell viability in a dose- and time-dependent manner, and 200 μg/ml SSCC exhibited significantly toxic effects on A549 cells. The cell cycle assay showed that SSCC triggered S phase cell cycle arrest in a dose- and time-dependent manner, which was related to a downregulation of S phase associated cyclin A...
April 18, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28421385/in-vitro-and-in-vivo-anti-tumor-effects-of-selected-platinum-iv-and-dinuclear-platinum-ii-complexes-against-lung-cancer-cells
#14
Milos Arsenijevic, Marija Milovanovic, Snezana Jovanovic, Natalija Arsenijevic, Bojana Simovic Markovic, Marina Gazdic, Vladislav Volarevic
In the present study, cytotoxic effects of cisplatin, the most usually used chemotherapeutic agent, were compared with new designed platinum(IV) ([PtCl4(en)] (en = ethylenediamine) and [PtCl4(dach)]) (dach = (±)-trans-1,2-diaminocyclohexane) and platinum(II) complexes ([{trans-Pt(NH3)2Cl}2(μ-pyrazine)](ClO4)2 (Pt1), [{trans-Pt(NH3)2Cl}2(μ-4,4'-bipyridyl)](ClO4)2DMF(Pt2),[{trans-Pt(NH3)2Cl}2(μ-1,2-bis(4pyridyl)ethane)](ClO4)2 (Pt3)), in vitro and in vivo against human and murine lung cancer cells, to determine anti-tumor potential of newly synthesized platinum-based drugs in the therapy of lung cancer...
April 18, 2017: Journal of Biological Inorganic Chemistry: JBIC
https://www.readbyqxmd.com/read/28416328/hepatoprotective-mongolian-prescription-ii-enhances-the-antitumor-effects-of-chemotherapeutics-in-hepatocellular-carcinoma-xenografts
#15
A Nanda, Qimuge Suyila, Li Xian, Su Xiulan
Hepatoprotective Mongolian prescription II (MPII), a mixture of 18 different medicinal herbs, significantly inhibited the growth of human liver cancer cell lines Huh-7 and HepG2 in vitro with different concentrations; MPII (6mg/mL) inhibited cell proliferation by 80.48%. MPII induced apoptosis in both cell lines, which was observed by light microscopy and flow cytometry. MPII-induced apoptosis and G0/G1 cell cycle arrest were quantified by Annexin V-FITC/PI staining and flow cytometry. At the molecular level, MPII induced caspase-3, caspase-8, caspase-9, and cytochrome c gene expression...
January 18, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28415626/hematopoietic-stem-progenitor-cells-are-less-prone-to-undergo-apoptosis-than-lymphocytes-despite-similar-dna-damage-response
#16
Matus Durdik, Pavol Kosik, Jana Kruzliakova, Lukas Jakl, Eva Markova, Igor Belyaev
Hematopoietic stem/progenitor CD34+ cells (HSPC) give rise to all types of blood cells and represent a key cellular target for origination of leukemia. Apoptosis and repair of DNA double strand breaks (DSB) are vital processes in leukemogenesis. High doses of ionizing radiation are the best known agent that induces leukemia, but less is known about the leukemogenic potential of low doses. While umbilical cord blood (UCB) serves as a valuable source of the HSPC for both research and clinics, the data on DNA damage response and apoptosis in UCB HSPC are very limited...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414743/the-et-1-mediated-carbonylation-and-degradation-of-anxa1-induce-inflammatory-phenotype-and-proliferation-of-pulmonary-artery-smooth-muscle-cells-in-hps
#17
Jing He, Bin Yi, Yang Chen, Qing Huang, Huan Wang, Kaizhi Lu, Weiling Fu
Hepatopulmonary syndrome (HPS) is a serious complication of advanced liver disease, which markedly increases mortality. Pulmonary vascular remodelling (PVR) induced by circulating mediators plays an important role in the pathogenesis of HPS, while the underlying mechanism remains undefined. In the present study, we reported that endothelin-1 (ET-1) is up-regulated and annexin A1(ANXA1) is down-regulated in HPS rat, and ET-1 decreases the ANXA1 expression in a dose-dependent manner in rat pulmonary arterial smooth muscle cells (PASMCs)...
2017: PloS One
https://www.readbyqxmd.com/read/28414554/antitumor-activity-of-the-pachymic-acid-in-nasopharyngeal-carcinoma-cells
#18
Yan-Hua Zhang, Yong Zhang, Xiu-Ying Li, Xu-Dong Feng, Wei Jian, Rong-Qing Li
OBJECTIVE: To investigate the antitumour efficacy of pachymic acid (PA), which is a fungal extract component, on nasopharyngeal carcinoma (NPC) cells CNE-1, CNE-2. METHODS: We have chosen NPC cell line CNE-2 for the study, and the cells were treated with PA before the detection. CCK-8 assay was used to detect the proliferative ability, and Annexin V-PI double staining was used for the detection of apoptosis rate; and the nucleus damage was detected by transmission electron microscope, the protein expression of the DNA damage pathway were detected by Western blot...
April 17, 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28413458/mir-9-functions-as-a-tumor-inhibitor-of-cell-proliferation-in-epithelial-ovarian-cancer-through-targeting-the-sdf-1-cxcr4-pathway
#19
Lin He, Li Zhang, Mengfei Wang, Wenrong Wang
The current study aimed to investigate the potential role of miR-9 in the inhibition of ovarian cancer progression through the stromal cell-derived factor-1 (SDF-1)/ C-X-C chemokine receptor type 4 (CXCR4) pathway and to provide a theoretical basis for the diagnosis and treatment of ovarian cancer. Human ovarian cancer OVCAR-3 cells were transfected with miR-9 short hairpin RNA (shRNA). The effect of miR-9 on the mRNA expression levels of CXCR4 were analyzed using reverse transcription-quantitative polymerase chain reaction...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28411308/the-effect-of-mir-200c-inhibition-on-chemosensitivity-5-fluorouracil-in-colorectal-cancer
#20
Korosh Heydari, Massoud Saidijam, Mohammad Reza Sharifi, Fatemeh Karimi Dermani, Sara Soleimani Asl, Nooshin Shabab, Rezvan Najafi
5-Fluorouracil (5-FU) as a chemotherapeutic drug is used to treat colorectal cancer (CRC). However, 5-FU is associated with acquired CRC resistance, which decreases the therapeutic potential of 5-FU. Several studies indicated that miR-200c is also involved in chemotherapeutic drug resistance, but the exact mechanism of miR-200c mediated chemoresistance has not yet been fully understood. In this study, we examined the effect of inhibition of miR-200c on the sensitivity of HCT-116 cells to 5-FU. HCT-116 cells were transfected with LNA-anti- miR-200c for 48 h...
April 14, 2017: Pathology Oncology Research: POR
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