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https://www.readbyqxmd.com/read/29679753/daidzein-rich-isoflavone-aglycones-inhibit-cell-growth-and-inflammation-in-endometriosis
#1
O Takaoka, T Mori, F Ito, H Okimura, H Kataoka, Y Tanaka, A Koshiba, I Kusuki, S Shigehiro, T Amami, J Kitawaki
Endometriosis is an estrogen-dependent disease, and isoflavones interact with estrogen receptors. The purposes of this study are to investigate the in vitro and in vivo effects of daidzein-rich isoflavone aglycones (DRIAs), dietary supplements, on cellular proliferation in endometriosis. Stromal cells isolated from ovarian endometrioma (OESCs) and normal endometrium (NESCs) were cultured with DRIAs, i.e., each of the DRIA components (daidzein, genistein, or glycitein), or isoflavone glycosides (IG; DRIA precursors)...
April 18, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29673670/the-role-of-%C3%AE-2-3-linked-sialylation-on-clear-cell-type-epithelial-ovarian-cancer
#2
Pi-Lin Sung, Kuo-Chang Wen, Huann-Cheng Horng, Chia-Ming Chang, Yi-Jen Chen, Wen-Ling Lee, Peng-Hui Wang
OBJECTIVE: Our previous study has shown that high expression of α2,3-sialytransferase type I was associated with advanced stage serous type epithelial ovarian cancer (EOC). The aim of the current study further attempts to evaluate the altered α 2,3-sialylation on the behavior of clear cell type EOC (C-EOC). MATERIALS AND METHODS: Immunohistochemistry staining, bioinformatics analysis and tissue array were used to disclose the clinical significance of over α2,3-sialylation in C-EOC...
April 2018: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29670086/mir-98-5p-contributes-to-cisplatin-resistance-in-epithelial-ovarian-cancer-by-suppressing-mir-152-biogenesis-via-targeting-dicer1
#3
Yanan Wang, Wei Bao, Yuan Liu, Shiyu Wang, Shengjie Xu, Xi Li, Yanli Li, Sufang Wu
Epithelial ovarian cancer (EOC) is a highly lethal gynecological malignancy, and cisplatin resistance is usually correlated with the poor prognosis of EOC. Increasing evidence indicates that the dysregulation of miRNAs is related to chemotherapy sensitivity. In this study, we revealed that miR-98-5p, a member of the let-7 family, was enriched in cisplatin-resistant EOC cells compared with cisplatin-sensitive cells, and could promote cisplatin resistance in EOC cells. Further studies showed that miR-98-5p could directly target the 3'-UTR of Dicer1 and suppress its expression, causing global miRNA downregulation...
April 18, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29668890/luteinizing-hormone-facilitates-antral-follicular-maturation-and-survival-via-thecal-paracrine-signaling-in-cattle
#4
Katsushige Hattori, Makoto Orisaka, Shin Fukuda, Kimihisa Tajima, Yukiko Yamazaki, Tetsuya Mizutani, Yoshio Yoshida
The use of LH supplementation in assisted reproductive technology (ART) cycles improves the ongoing pregnancy rate in women with poor ovarian response (POR). However, our knowledge of the precise role of LH during the follicular phase of the menstrual cycle is incomplete. To explore the role of LH in the maturation of small antral follicles, we used an in vitro two-cell system that involved co-culturing bovine granulosa cells (GC) and theca cells (TC) on a collagen membrane. Treatment of TC with LH stimulated androgen production in TC by inducing the expression of androgenic factors, subsequently increasing estrogen biosynthesis in GC by providing androgen substrates and inducing aromatase expression...
April 13, 2018: Endocrinology
https://www.readbyqxmd.com/read/29667147/effects-of-heyan-kuntai-capsule-on-follicular-development-and-oocyte-cohesin-levels-in-aged-mice
#5
Bin Zhang, Nan Chu, Xue-Min Qiu, Wei Tang, Hans-Jürgen Gober, Da-Jin Li, Ling Wang
OBJECTIVE: To evaluate the effect of Heyan Kuntai Capsule (, HYKT) on the ovarian function of aged mice and expressions of cohesion complexes in oocytes. METHODS: Twenty-five 9-month-old female C57BL/6J mice were randomly divided into 5 groups by block randomization method (n=5 per group), including the control group (saline), 17 β-estradiol group [E2 , 100 μg/(kg·d)], and low-, medium-, and high-dose of HYKT groups [0.3, 0.9, 2.7 g/(kg·d), respectively]. All mice were treated by intragastric administration for 4 weeks...
April 17, 2018: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29665849/an-innovative-immunotherapeutic-strategy-for-ovarian-cancer-clec10a-and-glycomimetic-peptides
#6
Laura L Eggink, Katherine F Roby, Robert Cote, J Kenneth Hoober
BACKGROUND: Receptors specific for the sugar N-acetylgalactosamine (GalNAc) include the human type II, C-type lectin receptor macrophage galactose-type lectin/C-type lectin receptor family member 10A (MGL/CLEC10A/CD301) that is expressed prominently by human peripheral immature dendritic cells, dendritic cells in the skin, alternatively-activated (M2a) macrophages, and to lesser extents by several other types of tissues. CLEC10A is an endocytic receptor on antigen-presenting cells and has been proposed to play an important role in maturation of dendritic cells and initiation of an immune response...
April 17, 2018: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29663499/resveratrol-inhibits-the-proliferation-and-induces-the-apoptosis-in-ovarian-cancer-cells-via-inhibiting-glycolysis-and-targeting-ampk-mtor-signaling-pathway
#7
Yu Liu, Lin Tong, Yan Luo, Xin Li, Gaowen Chen, Yifeng Wang
Aerobic glycolysis is an important metabolic rewiring in cancer cells to promote glucose uptake and lactate production, and targeting aerobic glycolysis becomes a promising therapeutic approach for cancer. Here we reported that a small polyphenol resveratrol exhibited profound anti-tumor efficacy on human ovarian cancer. Resveratrol markedly inhibited the proliferation, migration, and invasion of A2780 and SKOV3 ovarian cancer cells, while impaired glycolysis, and induced apoptosis in these cells. Exposure to resveratrol increased the expression and activation of AMPK and Caspase 3, and decreased the expression and activation of AMPK downstream kinase mTOR...
April 16, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29662625/adam17-inhibition-enhances-platinum-efficiency-in-ovarian-cancer
#8
Nina Hedemann, Christoph Rogmans, Susanne Sebens, Daniela Wesch, Manuel Reichert, Dirk Schmidt-Arras, Hans-Heinrich Oberg, Ulrich Pecks, Marion van Mackelenbergh, Jörg Weimer, Norbert Arnold, Nicolai Maass, Dirk O Bauerschlag
Chemotherapeutic resistance evolves in about 70 % of ovarian cancer patients and is a major cause of death in this tumor entity. Novel approaches to overcome these therapeutic limitations are therefore highly warranted. A disintegrin and metalloprotease 17 (ADAM17) is highly expressed in ovarian cancer and required for releasing epidermal growth factor receptor (EGFR) ligands like amphiregulin (AREG). This factor has recently been detected in ascites of advanced stage ovarian cancer patients. However, it is not well understood, whether and how ADAM17 might contribute to chemo resistance of ovarian cancer...
March 23, 2018: Oncotarget
https://www.readbyqxmd.com/read/29661721/high-expression-of-pxdn-is-associated-with-poor-prognosis-and-promotes-proliferation-invasion-as-well-as-migration-in-ovarian-cancer
#9
Ying-Ze Zheng, Lei Liang
BACKGROUND: Peroxidasin (PXDN) is an extracellular matrix protein with peroxidase activity. PXDN has been reported to participate in the processes of epithelial mesenchymal transition. However, the roles of PXDN in progression of cancers are still rare. METHODS: Expression profiles of PXDN in ovarian cancer (OC) tissues were obtained from GEO and TCGA database. Quantitative reverse transcription polymerase chain reaction (qRT-PCR) was performed to measure the expression of PXDN in OC cells...
March 14, 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29660518/hoxb4-knockdown-enhances-the-cytotoxic-effect-of-paclitaxel-and-cisplatin-by-downregulating-abc-transporters-in-ovarian-cancer-cells
#10
Ying Li, Jingli Sun, Shaofeng Gao, Heping Hu, Pengmu Xie
Therapeutic effects of anti-cancer drugs for ovarian cancer were limited due to the rapid development of chemotherapy resistance. The aim of this study was to test whether knockdown of Homeobox B4 (HOXB4) enhanced the cytotoxic effect of paclitaxel and cisplatin in ovarian cancer cells. HOXB4 expressions at mRNA and protein levels were upregulated in Taxol-resistant A2780 (A2780/Taxol) and DDP-resistant SKOV-3 (SKOV-3/DDP) cells. HOXB4 knockdown enhanced the cytotoxic effects of Taxol and DDP in A2780/Taxol and SKOV-3/DDP cells, respectively...
April 13, 2018: Gene
https://www.readbyqxmd.com/read/29660466/formononetin-an-isoflavone-from-astragalus-membranaceus-inhibits-proliferation-and-metastasis-of-ovarian-cancer-cells
#11
Jing Zhang, Likun Liu, Jing Wang, Baoyin Ren, Lin Zhang, Weiling Li
ETHNOPHARMACOLOGICAL RELEVANCE: Astragalus membranaceus which was originally described in the Shennong's Classic of Materia Medica, the earliest complete Pharmacopoeia of China written from the Warring States Period to Han Dynasty, has been widely used in Chinese medicine for>2,000 years, especially in the prescription of curing cancer. A. membranaceus has various bioactivities, such as anti-tumor, anti-viral, anti-oxidant, anti-diabetes, anti-inflammation, anti-atherosclerosis, immunomodulation, hepatoprotection, hematopoiesis, neuroprotection and so on...
April 13, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29656182/co-culture-of-ovarian-cancer-stem-like-cells-with-macrophages-induced-skov3-cells-stemness-via-il-8-stat3-signaling
#12
Yingxia Ning, Yinghong Cui, Xiang Li, Xiaocheng Cao, A Chen, Chang Xu, Jianguo Cao, Xin Luo
Among recent concepts in the cancer biology field, the tumor microenvironment is highly associated with cancer stem cells, and plays a key role in tumor progression. This study aimed to explore the mechanism that the stemness induction of SKOV3 cell line by macrophages derived from THP-1 cells, which was co-cultured with SKOV3-derived ovarian cancer stem-like cells (OCSLCs). Sphere formation, soft agar colony formation, and expression levels of CD133 and CD44 were assessed to reflect OCSLC properties. ELISA was used to evaluate secretion profile changes in macrophages co-cultured with or without SKOV3-derived OCSLCs...
April 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29653259/bisphenol-a-and-its-derivatives-decrease-expression-of-chemerin-which-reverses-its-stimulatory-action-in-ovarian-cancer-cells
#13
Marta Hoffmann, Agnieszka Rak, Anna Ptak
Chemerin is an adipocyte-secreted protein that associates with obesity, inflammation, metabolic dysfunction, and carcinogenesis. Previous studies have shown human granulosa cells to produce bioactive chemerin and its receptor CMKLR1. In the present study, we demonstrated that the mRNA level of chemerin receptor is higher in a granulosa cell tumor cell line than in epithelial cancer cells, whereas chemerin expression and secretion were lower. Various exogenous factors, such as bisphenol A and its halogenated derivatives tetrabromobisphenol A and tetrachlorobisphenol A, can affect adipokine expression...
April 10, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29643476/inhibition-of-ovarian-tumor-cell-invasiveness-by-targeting-syk-in-the-tyrosine-kinase-signaling-pathway
#14
Yu Yu, Yohan Suryo Rahmanto, Meng-Horng Lee, Pei-Hsun Wu, Jude M Phillip, Chuan-Hsiang Huang, Michele I Vitolo, Stephanie Gaillard, Stuart S Martin, Denis Wirtz, Ie-Ming Shih, Tian-Li Wang
Cell motility and invasiveness are prerequisites for dissemination, and largely account for cancer mortality. We have identified an actionable kinase, spleen tyrosine kinase (SYK), which is keenly tightly associated with tumor progression in ovarian cancer. Here, we report that active recombinant SYK directly phosphorylates cortactin and cofilin, which are critically involved in assembly and dynamics of actin filament through phosphorylation signaling. Enhancing SYK activity by inducing expression of a constitutively active SYK mutant, SYK130E , increased growth factor-stimulated migration and invasion of ovarian cancer cells, which was abrogated by cortactin knockdown...
April 11, 2018: Oncogene
https://www.readbyqxmd.com/read/29625193/icaritin-induces-ovarian-cancer-cell-apoptosis-through-activation-of-p53-and-inhibition-of-akt-mtor-pathway
#15
Lvfen Gao, Ming Chen, Yuan Ouyang, Ruobin Li, Xian Zhang, Xuesong Gao, Xiaoyu Wang, Shaoqiang Lin
AIMS: Ovarian cancer (OC) has the highest mortality rate of all gynecological cancers. Currently, the first-line OC treatment consists of cytoreductive surgery and platinum-based chemotherapy. However, most patients develop chemoresistance after the first-line treatment limits the success of treatment. Therefore, there is an urgent need to identify effective therapeutic agents. MAIN METHODS: Cell viabilities were detected by MTS assay; Annexin V-FITC/PI assay and western blotting assay were performed to analyze the apoptotic cells in vitro; An immunofluorescence assay was performed to analyze the TUNEL+ apoptotic cells in vivo; Patient-derived xenografts were established to test the in vivo antitumor effects; The key proteins of p53, caspase-mediated apoptotic pathway and Akt/mTOR pathway were detected by Western blotting...
April 3, 2018: Life Sciences
https://www.readbyqxmd.com/read/29623856/investigation-of-the-roles-of-non-neuronal-acetylcholine-in-chronic-myeloid-leukemic-cells-and-their-erythroid-or-megakaryocytic-differentiated-lines
#16
Banu Aydin, Hulya Cabadak, Zafer Mehmet Goren
Many studies suggested that acetylcholine (ACh) might serve as an autocrine/ paracrine growth factor in several types of tumors or tumor cell lines. Therefore, cholinergic signaling seems to be functionally important in cancer. High levels of acetylcholinesterase (AChE) activity have been reported in primary brain tumors, ovarian, colon and lung tumors. K562 cells were derived from a chronic myelogenous leukemia patient during blast crisis serving as pluripotent hematopoietic stem cells. K562 cells were incubated with various cholinergic agonists or antagonists to investigate the role of ACh in different differentiated cell lines...
April 6, 2018: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/29621137/trap1-regulation-of-cancer-metabolism-dual-role-as-oncogene-or-tumor-suppressor
#17
REVIEW
Danilo Swann Matassa, Ilenia Agliarulo, Rosario Avolio, Matteo Landriscina, Franca Esposito
Metabolic reprogramming is an important issue in tumor biology. An unexpected inter- and intra-tumor metabolic heterogeneity has been strictly correlated to tumor outcome. Tumor Necrosis Factor Receptor-Associated Protein 1 (TRAP1) is a molecular chaperone involved in the regulation of energetic metabolism in cancer cells. This protein is highly expressed in several cancers, such as glioblastoma, colon, breast, prostate and lung cancers and is often associated with drug resistance. However, TRAP1 is also downregulated in specific tumors, such as ovarian, bladder and renal cancers, where its lower expression is correlated with the worst prognoses and chemoresistance...
April 5, 2018: Genes
https://www.readbyqxmd.com/read/29620997/fertility-preservation-in-patients-with-cancer-asco-clinical-practice-guideline-update
#18
Kutluk Oktay, Brittany E Harvey, Ann H Partridge, Gwendolyn P Quinn, Joyce Reinecke, Hugh S Taylor, W Hamish Wallace, Erica T Wang, Alison W Loren
Purpose To provide current recommendations about fertility preservation for adults and children with cancer. Methods A systematic review of the literature published from January 2013 to March 2017 was completed using PubMed and the Cochrane Library. An Update Panel reviewed the identified publications. Results There were 61 publications identified and reviewed. None of these publications prompted a significant change in the 2013 recommendations. Recommendations Health care providers should initiate the discussion on the possibility of infertility with patients with cancer treated during their reproductive years or with parents/guardians of children as early as possible...
April 5, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29620680/triptorelin-for-fertility-preservation-in-adolescents-treated-with-chemotherapy-for-cancer
#19
Mariaclaudia Meli, Manuela Caruso-Nicoletti, Milena La Spina, Luca Lo Nigro, Piera Samperi, Salvatore D'Amico, Francesco Bellia, Vito Miraglia, Maria Licciardello, Emanuela Cannata, Silvia Marino, Carla Cimino, Federica Puglisi, Laura Lo Valvo, Agnese Pezzulla, Giovanna Russo, Andrea Di Cataldo
BACKGROUND: Triptorelin, a gonadotropin releasing hormone analogue, can be administered to postpubertal female individuals with cancer who receive chemotherapy to obtain menstrual suppression and decrease the risk of hemorrhage caused by thrombocytopenia. Our goal was to assess whether triptorelin also has a protective role against the gonadotoxicity of chemotherapy. PATIENTS AND METHODS: This retrospective observational study includes all postmenarchal female patients who presented to our Unit from 2000 to 2015 and received chemotherapy for cancer...
April 3, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29620165/foxd1-is-targeted-by-mir-30a-5p-and-mir-200a-5p-and-suppresses-the-proliferation-of-human-ovarian-carcinoma-cells-by-promoting-p21-expression-in-a-p53-independent-manner
#20
Yu Wang, Chunping Qiu, Nan Lu, Zhaojian Liu, Chengjuan Jin, Chenggong Sun, Hualei Bu, Hongfeng Yu, Samina Dongol, Beihua Kong
High-grade serous ovarian carcinoma (HGSOC) accounts for the highest number of deaths among patients with epithelial ovarian cancer. However, the molecular mechanisms underlying HGSOC tumorigenesis are currently unclear. In the present study, a lentiviral expression system was employed to manipulate forkhead box D1 (FOXD1) expression in ovarian cancer cells. Immunohistochemical staining was used to examine the expression of FOXD1 in tissue samples. Clonogenic and MTT assays were employed to evaluate cell proliferation, and flow cytometry was applied for cell cycle analysis...
April 4, 2018: International Journal of Oncology
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