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https://www.readbyqxmd.com/read/28324890/regulation-of-itga3-by-the-dual-stranded-microrna-199-family-as-a-potential-prognostic-marker-in-bladder-cancer
#1
Takashi Sakaguchi, Hirofumi Yoshino, Masaya Yonemori, Kazutaka Miyamoto, Satoshi Sugita, Ryosuke Matsushita, Toshihiko Itesako, Shuichi Tatarano, Masayuki Nakagawa, Hideki Enokida
BACKGROUND: Based on the microRNA (miRNA) signature of bladder cancer (BC) by deep sequencing, we recently found that several double-stranded mature miRNAs derived from the same pre-miRNAs were sufficiently expressed and acted as tumour suppressors by regulating common target genes in BC. Our deep-sequencing signature of BC showed that all miR-199 family members (miR-199a-3p/-5p and miR-199b-3p/-5p) were also downregulated. We hypothesised that these miRNAs may function as tumour suppressors by regulating common target genes...
March 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28324844/serotonin-transporter-and-receptor-ligands-with-antidepressant-activity-as-neuroprotective-and-proapoptotic-agents
#2
REVIEW
Zdzislaw Chilmonczyk, Andrzej J Bojarski, Andrzej Pilc, Ingebrigt Sylte
Serotonin exhibits multiple non-neural functions involved in essential hypertension, early embryogenesis, follicle maturation and behaviour. The growth stimulatory effects of the neurotransmitter have been described for a variety of cell types. 5-HT was found to induce migration of the human prostate cancer cell lines - PC-3 and Du145 - and several 5-HT1A antagonists and serotonin reuptake inhibitors were reported to inhibit the growth of different tumour cell lines in vitro. Recent studies suggest that neurogenesis is involved in the action of antidepressants and an involvement of antidepressants in adult hippocampal neurogenesis has been demonstrated...
January 22, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28323490/triterpenoid-acids-as-important-antiproliferative-constituents-of-european-elderberry-fruits
#3
Michał Gleńsk, Elżbieta Czapińska, Marta Woźniak, Ireneusz Ceremuga, Maciej Włodarczyk, Grzegorz Terlecki, Piotr Ziółkowski, Ewa Seweryn
In Europe, both the fruits and flowers of Sambucus nigra L. have been used against cold, as well as laxative, diaphoretic, and diuretic remedies. There are also a number of commercially available food products that contain elderberry juice, puréed or dried elderberries. Recent comprehensive literature data on pharmacology and chemistry of Sambuci fructus have encouraged us to screen extracts with different polarities from this plant material against cancer cell lines. The cytotoxic activity of the ethyl acetate and aqueous acetone extracts from elderberries as well as detected triterpenoids on human colon adenocarcinoma cell line (LoVo) and human breast cancer cell line (MCF-7) was investigated by sulforhodamine B assay...
March 21, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28320108/mir-103-regulates-triple-negative-breast-cancer-cells-migration-and-invasion-through-targeting-olfactomedin-4
#4
Bin Xiong, Xuefeng Lei, Lei Zhang, Jia Fu
Our previous study showed olfactomedin 4 (OLFM4) suppressed triple-negative breast cancer cells migration, invasion and metastasis-associated protein MMP 9 expression. OLFM4 was identified as a potential target of miR-103 according to microRNA target databases and published studies. The aim of this study is to validate the relationship between miR-103 and OLFM4, and explore the function and clinical significance of miR-103 in triple-negative breast cancer patients. In our results, miR-103 negatively regulated OLFM4 expression by directly targeting its 3'-UTR...
March 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28320104/sulfatase-2-promotes-the-growth-and-metastasis-of-colorectal-cancer-by-activating-akt-and-erk1-2-pathways
#5
Youmao Tao, Tao Han, Tao Zhang, Caixia Sun
The molecular mechanisms underlying the growth and metastasis of colorectal cancer (CRC) remain largely unknown. Sulfatase-2 (SULF2) was found to play critical roles in human cancers. Recent study reported that SULF1/2 overexpression resulted in increased viability and proliferation, and augmented cell migration in CRC cells. However, the expression of SULF2 and its underlying molecular mechanisms in CRC remain unknown. In this study, we found that the expressions of SULF2 in CRC tissues and cell lines were significantly increased compared to control groups...
March 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28320094/lncrna-meg3-had-anti-cancer-effects-to-suppress-pancreatic-cancer-activity
#6
Lei Gu, Jiaqiang Zhang, Minmin Shi, Qian Zhan, Baiyong Shen, Chenghong Peng
AIM: The aim of this study was to explain the mechanism of lncRNA MEG 3 in pancreatic cancer. METHODS: We were collecting 30 pancreatic cancer patients, taking the sample from these patients. We measured the PI3K protein expressions from 30 patients by IHC and WB methods and MEG 3 expression by RT-PCR, and analyzed the relationship between PI3K protein expression and pancreatic cancer patients' clinical pathology and the correlation between lncRNA MEG 3 and PI3K...
March 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28320083/xiaoaiping-combined-with-cisplatin-can-inhibit-proliferation-and-invasion-and-induce-cell-cycle-arrest-and-apoptosis-in-human-ovarian-cancer-cell-lines
#7
Ai-Wen Zheng, Ya-Qing Chen, Jing Fang, Ying-Li Zhang, Dong-Dong Jia
PURPOSE: The aim of the present study was utilizing Xiaoaiping as a single agent or combined with cisplatin to study its effect on the ovarian cancer cells (HO-8910 and HO-8910PM cells) in tumor cell proliferation, cell apoptosis, cell cycle distribution and cell invasion and migration. METHODS: Both HO-8910 and HO-8910PM cell lines were treated with Xiaoaiping injection, cisplatin or combination. Effects on the cell viability and apoptosis induction were estimated using the Cell counting Kit-8 assay and Annexin V-FITC/Propidium Iodide staining...
March 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28319828/genistein-affects-proliferation-and-migration-of-bovine-oviductal-epithelial-cells
#8
Daniela C García, Pablo A Valdecantos, Dora C Miceli, Mariela Roldán-Olarte
Genistein is one of the most abundant isoflavones in soybean. This molecule induces cell cycle arrest and apoptosis in different normal and cancer cells. Genistein has been of considerable interest due to its adverse effects on bovine reproduction, altering estrous cycle, implantation and fetal development and producing subfertility or infertility. The objective of this work was to study the effects of genistein on the expression of selected genes involved in the regulation of cell cycle and apoptosis. Primary cultures of bovine oviductal epithelial cells (BOEC) were treated with different genistein concentrations (0...
March 8, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28319069/the-branched-chain-amino-acid-transaminase-1-sustains-growth-of-antiestrogen-resistant-and-er%C3%AE-negative-breast-cancer
#9
V Thewes, R Simon, M Hlevnjak, M Schlotter, P Schroeter, K Schmidt, Y Wu, T Anzeneder, W Wang, P Windisch, M Kirchgäßner, N Melling, N Kneisel, R Büttner, U Deuschle, H P Sinn, A Schneeweiss, S Heck, S Kaulfuss, H Hess-Stumpp, J G Okun, G Sauter, A E Lykkesfeldt, M Zapatka, B Radlwimmer, P Lichter, M Tönjes
Antiestrogen-resistant and triple-negative breast tumors pose a serious clinical challenge because of limited treatment options. We assessed global gene expression changes in antiestrogen-sensitive compared with antiestrogen-resistant (two tamoxifen resistant and two fulvestrant resistant) MCF-7 breast cancer cell lines. The branched-chain amino acid transaminase 1 (BCAT1), which catalyzes the first step in the breakdown of branched-chain amino acids, was among the most upregulated transcripts in antiestrogen-resistant cells...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28319067/the-histone-demethylase-kdm3a-and-its-downstream-target-mcam-promote-ewing-sarcoma-cell-migration-and-metastasis
#10
M Sechler, J K Parrish, D K Birks, P Jedlicka
Ewing Sarcoma is the second most common solid pediatric malignant neoplasm of bone and soft tissue. Driven by EWS/Ets, or rarely variant, oncogenic fusions, Ewing Sarcoma is a biologically and clinically aggressive disease with a high propensity for metastasis. However, the mechanisms underpinning Ewing Sarcoma metastasis are currently not well understood. In the present study, we identify and characterize a novel metastasis-promotional pathway in Ewing Sarcoma, involving the histone demethylase KDM3A, previously identified by our laboratory as a new cancer-promoting gene in this disease...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28319049/resisting-fatal-attraction-a-glioma-oncometabolite-prevents-cd8-t-cell-recruitment
#11
Liliana E Lucca, David A Hafler
Immunotherapy has emerged as a potent approach for treating aggressive cancers, such as non-small-cell lung tumors and metastatic melanoma. Clinical trials are now in progress for patients with malignant gliomas; however, a better understanding of how these tumors escape immune surveillance is required to enhance antitumor immune responses. With gliomas, the recruitment of CD8+ T cells to the tumor is impaired, in part preventing containment or elimination of the tumor. In this issue of the JCI, Kohanbash and colleagues present an elegant dissection of how gliomas exploit an enzymatic activity acquired through a common mutation to abrogate the migration of CD8+ T cells to the tumor...
March 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28318339/exendin-4-does-not-modify-growth-or-apoptosis-of-human-colon-cancer-cells
#12
He Wenjing, Yu Shuang, Li Weisong, Xiao Haipeng
AIM: Glucagon-like peptide-1 (GLP-1) receptor agonists are a kind of very popular antidiabetes drugs. They promote cell proliferation and survival through activation of signaling pathways in human islet cells involving phosphate idylinositol 3 kinase (PI3K) and extracellular regulated kinases 1 and 2 (ERK1/2), which are frequently activated in human colon cancer cells. Then, it is possible that taking GLP-1 receptor (GLP-1R) agonists persistently would induce proliferation of β cells as well as colon cancer cells...
March 20, 2017: Endocrine Research
https://www.readbyqxmd.com/read/28318328/estrogen-induces-cxcr4-overexpression-and-cxcr4-cxl12-pathway-activation-in-lung-adenocarcinoma-cells-in-vitro
#13
Vianey Rodriguez-Lara, González-Sánchez Ignacio, Marco A Cerbón Cervantes
PURPOSE: This study was designed to investigate whether estradiol is related to the expression of the chemokine receptor CXCR4 and its activation in lung adenocarcinoma in vitro, since lung adenocarcinomas from premenopausal women have shown high levels of CXCR4, and this expression has been associated with worse prognosis and poor survival. METHODS: The effect of 17-β-estradiol (E2) (0.03 nM-10 nM) on CXCR4 expression was analyzed in lung adenocarcinoma cell lines (SK-LU-1, H1435, H23, A549) by immunofluorescence after 24 and 72-h poststimulation...
March 20, 2017: Endocrine Research
https://www.readbyqxmd.com/read/28316213/-expression-of-lim-and-sh3-protein-1-in-renal-clear-cell-carcinoma-and-its-effects-on-invasion-and-migration-of-renal-clear-cell-carcinoma-786-o-cells
#14
B Jin, L Gao, W Li, J C Chen, R M Wen, J Q Wang
Objective: To investigate the expression of LIM and SH3 protein 1 (LASP1) in renal cell carcinoma and its significance in the invasion and migration of renal clear cell carcinoma 786-O cell line. Methods: The expression level of LASP1 in 41 cases of renal cell carcinoma tissues and normal renal tissues was analyzed by immunohistochemistry. The relationship between the expression level of LASP1 and clinical characteristics was further analyzed. Expression of LASP1 in 10 cases of tumor tissues with or without lymph node metastasis was analyzed by Western blot...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28316102/tumor-suppressor-ptprj-is-a-target-of-mir-155-in-colorectal-cancer
#15
Xiao-Fei Zhang, Rongfu Tu, Keke Li, Pengxiang Ye, Xiaofeng Cui
PTPRJ is known for its antiproliferative role. Loss of heterozygosity (LOH) of PTPRJ has frequently been observed in various human cancers including colorectal cancer (CRC), lung cancer and breast cancer. However, the function and mechanism of PTPRJ in CRC is not well understood. At the present study, we show that ectopic expression of PTPRJ inhibits cell growth, migration and invasiveness in CRC cell line HCT116. Moreover, PTPRJ inhibits the tumorigenecity of HCT116 in a xenograft tumor model. MiR-155, the well-known oncomiR in CRC, is identified as an upstream factor of PTPRJ...
March 18, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28315783/role-of-protein-glycosylation-in-cancer-metastasis
#16
REVIEW
Leticia Oliveira-Ferrer, Karen Legler, Karin Milde-Langosch
Although altered glycosylation has been detected in human cancer cells decades ago, only investigations in the last years have enormously increased our knowledge about the details of protein glycosylation and its role in tumour progression. Many proteins, which are heavily glycosylated, i.e. adhesion proteins or proteases, play an important role in cancer metastasis that represents the crucial and frequently life-threatening step in progression of most tumour types. Compared to normal tissue, tumour cells often show altered glycosylation patters with appearance of new tumour-specific antigens...
March 15, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28315766/bone-morphogenetic-protein-4-is-overexpressed-in-and-promotes-migration-and-invasion-of-drug-resistant-cancer-cells
#17
Kairui Zhou, Xiaoli Shi, Jinling Huo, Weihua Liu, Dongxiao Yang, Tengjiao Yang, Tiantian Qin, Cong Wang
Drug resistance and metastasis significantly hinder chemotherapy and worsen prognoses in cancer. Bone morphogenetic protein 4 (BMP4) belongs to the TGF-β superfamily, has broad biological activities in cell proliferation and cartilage differentiation and is also able to induce migration and invasion. Herein, we investigated the role of BMP4 in the regulation of metastasis in paclitaxel-resistant human esophageal carcinoma EC109 cells (EC109/Taxol) and docetaxel-resistant human gastric cancer MGC803 cells (MGC/Doc)...
March 15, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28315615/mir155-regulation-of-ubiquilin1-and-ubiquilin2-implications-in-cellular-protection-and-tumorigenesis
#18
Sanjay Yadav, Nishant Singh, Parag P Shah, David A Rowbotham, Danial Malik, Ankita Srivastav, Jai Shankar, Wan L Lam, William W Lockwood, Levi J Beverly
Ubiquilin (UBQLN) proteins are adaptors thought to link ubiquitinated proteins to the proteasome. However, our lab has recently reported a previously unappreciated role for loss of UBQLN in lung cancer progression. In fact, UBQLN genes are lost in over 50% of lung cancer samples examined. However, a reason for the loss of UBQLN has not been proposed, nor has a selective pressure that could lead to deletion of UBQLN been reported. Diesel Exhaust Particles (DEP) are a major concern in the large cities of developing nations and DEP exposed populations are at an increased risk of developing a number of illnesses, including lung cancer...
March 15, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28315433/increased-semaphorin-3c-expression-promotes-tumor-growth-and-metastasis-in-pancreatic-ductal-adenocarcinoma-by-activating-the-erk1-2-signaling-pathway
#19
Xuejun Xu, Zhiping Zhao, Sixiang Guo, Jian Li, Songsong Liu, Yu You, Bing Ni, Huaizhi Wang, Ping Bie
Pancreatic cancer is characterized by neural alterations and aberrant expression of neural-specific factors. Semaphorins have been recognized as key contributors in axon guidance, the immune response and tumor progression. Recent studies have suggested the involvement of Semaphorin 3c (sema3c) in tumorigenesis and metastasis in numerous types of cancer, however, the clinical significance of sema3c and its role in the growth and metastasis of pancreatic ductal adenocarcinoma (PDAC) remain unclear. In this study, we found that aberrant sema3c expression was positively associated with a particular tumor stage and correlated with poor survival of PDAC patients...
March 14, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28315335/microrna-99a-inhibits-insulin-induced-proliferation-migration-dedifferentiation-and-rapamycin-resistance-of-vascular-smooth-muscle-cells-by-inhibiting-insulin-like-growth-factor-1-receptor-and-mammalian-target-of-rapamycin
#20
Zi-Wei Zhang, Rui-Wei Guo, Jin-Lin Lv, Xian-Mei Wang, Jin-Shan Ye, Ni-Hong Lu, Xing Liang, Li-Xia Yang
Patients with type 2 diabetes mellitus (T2DM) are characterized by insulin resistance and are subsequently at high risk for atherosclerosis. Hyperinsulinemia has been associated with proliferation, migration, and dedifferentiation of vascular smooth muscle cells (VSMCs) during the pathogenesis of atherosclerosis. Moreover, insulin-like growth factor-1 receptor (IGF-1R) and mammalian target of rapamycin (mTOR) have been demonstrated to be the underlying signaling pathways. Recently, microRNA-99a (miR-99a) has been suggested to regulate the phenotypic changes of VSMCs in cancer cells...
March 15, 2017: Biochemical and Biophysical Research Communications
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