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FoxM1

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https://www.readbyqxmd.com/read/28225180/microrna-216b-inhibits-cell-proliferation-and-migration-in-human-melanoma-by-targeting-foxm1-in-vitro-and-in-vivo
#1
Mengyao Sun, Xiaopeng Wang, Chen Tu, Shuang Wang, Jianqiang Qu, Shengxiang Xiao
MicroRNAs (miRNAs) play an increasingly important role in cancer growth by coordinately suppressing genes that controlcell migration, proliferationand invasion. The above results can be achieved through the regulation of gene expression by miRNAs bysuppressing translation or the directsequence-specific degradation of the targetedmRNA. In the present study, we indicate that the expression of miR-216b could be effectively repressed both in human melanoma tissues through a comparison with primary melanoma and in human melanoma cell lines through a comparison with a normal human keratinocyte line...
February 22, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28199985/foxm1-promotes-the-progression-of-prostate-cancer-by-regulating-psa-gene-transcription
#2
Youhong Liu, Yijun Liu, Bowen Yuan, Linglong Yin, Yuchong Peng, Xiaohui Yu, Weibing Zhou, Zhicheng Gong, Jianye Liu, Leye He, Xiong Li
Androgen/AR is the primary contributor to prostate cancer (PCa) progression by regulating Prostate Specific Antigen (PSA) gene transcription. The disease inevitably evolves to androgen-independent (AI) status. Other mechanisms by which PSA is regulated and develops to AI have not yet been fully determined. FOXM1 is a cell proliferation-specific transcription factor highly expressed in PCa cells compared to non-malignant prostate epithelial cells, suggesting that the aberrant overexpression of FOXM1 contributes to PCa development...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28195122/integrated-genomic-analyses-of-de-novo-pathways-underlying-atypical-meningiomas
#3
Akdes Serin Harmancı, Mark W Youngblood, Victoria E Clark, Süleyman Coşkun, Octavian Henegariu, Daniel Duran, E Zeynep Erson-Omay, Leon D Kaulen, Tong Ihn Lee, Brian J Abraham, Matthias Simon, Boris Krischek, Marco Timmer, Roland Goldbrunner, S Bülent Omay, Jacob Baranoski, Burçin Baran, Geneive Carrión-Grant, Hanwen Bai, Ketu Mishra-Gorur, Johannes Schramm, Jennifer Moliterno, Alexander O Vortmeyer, Kaya Bilgüvar, Katsuhito Yasuno, Richard A Young, Murat Günel
Meningiomas are mostly benign brain tumours, with a potential for becoming atypical or malignant. On the basis of comprehensive genomic, transcriptomic and epigenomic analyses, we compared benign meningiomas to atypical ones. Here, we show that the majority of primary (de novo) atypical meningiomas display loss of NF2, which co-occurs either with genomic instability or recurrent SMARCB1 mutations. These tumours harbour increased H3K27me3 signal and a hypermethylated phenotype, mainly occupying the polycomb repressive complex 2 (PRC2) binding sites in human embryonic stem cells, thereby phenocopying a more primitive cellular state...
February 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/28188776/aurora-a-overexpression-aurka-is-driven-by-foxm1-and-mapk-erk-activation-in-melanoma-cells-harbouring-braf-or-nras-mutations-impact-on-melanoma-prognosis-and-therapy
#4
Joan Anton Puig-Butille, Antònia Vinyals, Josep R Ferreres, Paula Aguilera, Eduard Cabré, Gemma Tell-Martí, Joaquim Marcoval, Francesca Mateo, Luís Palomero, Celia Badenas, Josep M Piulats, Josep Malvehy, Miquel A Pujana, Susana Puig, Àngels Fabra
The cell cycle-related genes AURORA A and Forkhead box M1 (FOXM1) are overexpressed in melanoma. We show here that AURKA overexpression is associated with poor prognosis in three independent cohorts of melanoma patients and correlates with the presence of genomic amplification of AURKA locus and BRAF(V600E) mutation. AURKA overexpression may also be driven to increased promoter activation through elements such as ETS and FOXM1 found within the 5' proximal promoter region. Activated MAPK-ERK signalling pathway mediates robust AURKA promoter activation, thereby knockdown of BRAF(V600E) and ERK inhibition results in reduced AURKA transcription and expression...
February 7, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28187446/targeting-of-apoptotic-pathways-by-smac-or-bh3-mimetics-distinctly-sensitizes-paclitaxel-resistant-triple-negative-breast-cancer-cells
#5
Effrosini G Panayotopoulou, Anna-Katharina Müller, Melanie Börries, Hauke Busch, Guohong Hu, Sima Lev
Standard chemotherapy is the only systemic treatment for triple-negative breast cancer (TNBC), and despite the good initial response, resistance remains a major therapeutic obstacle. Here, we employed a High-Throughput Screen to identify targeted therapies that overcome chemoresistance in TNBC. We applied short-term paclitaxel treatment and screened 320 small-molecule inhibitors of known targets to identify drugs that preferentially and efficiently target paclitaxel-treated TNBC cells. Among these compounds the SMAC mimetics (BV6, Birinapant) and BH3-mimetics (ABT-737/263) were recognized as potent targeted therapy for multiple paclitaxel-residual TNBC cell lines...
February 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28187428/a-novel-integrative-risk-index-of-papillary-thyroid-cancer-progression-combining-genomic-alterations-and-clinical-factors
#6
Qing Cheng, Xuechan Li, Chaitanya R Acharya, Terry Hyslop, Julie Ann Sosa
Although the majority of papillary thyroid cancer (PTC) is indolent, a subset of PTC behaves aggressively despite the best available treatment. A major clinical challenge is to reliably distinguish early on between those patients who need aggressive treatment from those who do not. Using a large cohort of PTC samples obtained from The Cancer Genome Atlas (TCGA), we analyzed the association between disease progression and multiple forms of genomic data, such as transcriptome, somatic mutations, and somatic copy number alterations, and found that genes related to FOXM1 signaling pathway were significantly associated with PTC progression...
February 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28185110/foxm1-mediated-rfc5-expression-promotes-temozolomide-resistance
#7
Wan-Xin Peng, Xiu Han, Chun-Li Zhang, Lu Ge, Feng-Yi Du, Jie Jin, Ai-Hua Gong
Although methylguanine-DNA-methyltransferase (MGMT) plays an important role in resistance to temozolomide (TMZ) in glioma, 40% of gliomas with MGMT inactivation are still resistant to TMZ. The underlying mechanism is not clear. Here, we report that forkhead box M1 (FoxM1) transcriptionally activates the expression of DNA repair gene replication factor C5 (RFC5) to promote TMZ resistance in glioma cells independent of MGMT activation. We showed that RFC5 expression is positively correlated with FoxM1 expression in human glioma cells and FoxM1 is able to transcriptionally activate RFC expression by interaction with the RFC5 promoter...
February 9, 2017: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/28184921/tanshinone%C3%A2-iia-suppresses-gastric-cancer-cell-proliferation-and-migration-by-downregulation-of-foxm1
#8
Jiao Yu, Xiaoxia Wang, Yuhua Li, Bin Tang
Tanshinone IIA (TSN) exhibits a variety of anticancer effects. However, whether it inhibits gastric cancer (GC) cell proliferation and migration and the mechanism remain unclear. In the present study, different concentrations of TSN were co-incubated with SGC-7901 cells. The pcDNA-FOXM1 or FOXM1-siRNA plasmid was transfected into cells before treatment with 5 µg/l TSN. The proliferation and migration abilities of the SGC-7901 cells were tested by MTT and wound healing assays. Western blotting was used to investigate the expression levels of P21, Ki-67, PCNA, MMP-2, MMP-9 and FOXM1...
March 2017: Oncology Reports
https://www.readbyqxmd.com/read/28176242/roles-of-foxm1-in-cell-regulation-and-breast-cancer-targeting-therapy
#9
REVIEW
Xin Song, Samuel Selorm Fiati Kenston, Jinshun Zhao, Danting Yang, Yuanliang Gu
Forkhead box M1 (FoxM1) is an oncogenic transcription factor involved in a wide variety of cellular processes, such as cell cycle progression, proliferation, differentiation, migration, metabolism and DNA damage response. It is overexpressed in many human cancers, especially in breast cancers. Posttranslational modifications are known to play an important role in regulating the expression and transcriptional activity of FoxM1. In this review, we characterize the posttranslational modifications of FoxM1, summarize modifications of FoxM1 by different kinases, explore the relationship between the different sites of modifications and comprehensively describe how posttranslational modifications to regulate the function of FoxM1 by changing protein stability, nucleus localization and transcriptional activity...
March 2017: Medical Oncology
https://www.readbyqxmd.com/read/28154085/loss-of-foxm1-promotes-erythropoiesis-through-increased-proliferation-of-erythroid-progenitors
#10
Minyoung Youn, Nan Wang, Corinne LaVasseur, Elena Bibikova, Sharon Kam, Bertil Glader, Kathleen M Sakamoto, Anupama Narla
FOXM1 belongs to the fork head/winged-helix family of transcription factors and regulates a network of proliferation-associated genes. Its abnormal upregulation has been shown to be a key driver of cancer progression and an initiating factor in oncogenesis. FOXM1 is also highly expressed in stem/progenitor cells and inhibits their differentiation, suggesting that FOXM1 plays a role in the maintenance of multipotency. However, the exact molecular mechanisms by which FOXM1 regulates human stem/progenitor cells are still uncharacterized...
February 2, 2017: Haematologica
https://www.readbyqxmd.com/read/28148279/aberrant-activation-of-hedgehog-signaling-promotes-cell-proliferation-via-the-transcriptional-activation-of-forkhead-box-m1-in-colorectal-cancer-cells
#11
DeJie Wang, Guohui Hu, Ying Du, Cheng Zhang, Quqin Lu, Nonghua Lv, Shiwen Luo
BACKGROUND: Recent evidence suggests that the aberrant activation of Hedgehog (Hh) signaling by Gli transcription factors is characteristic of a variety of aggressive human carcinomas, including colorectal cancer (CRC). Forkhead box M1 (FoxM1) controls the expression of a number of cell cycle regulatory proteins, and FoxM1 expression is elevated in a broad range of human malignancies, which suggests that it plays a crucial role in tumorigenesis. However, the mechanisms underlying FoxM1 expression are not fully understood...
February 2, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28130434/selective-progesterone-receptor-modulator-sprm-ulipristal-acetate-upa-and-its-effects-on-the-human-endometrium
#12
L H R Whitaker, A A Murray, R Matthews, G Shaw, A R W Williams, P T K Saunders, H O D Critchley
STUDY QUESTION: What is the impact of administration of the selective progesterone receptor modulator (SPRM), ulipristal acetate (UPA) on the endometrium of women with fibroids? SUMMARY ANSWER: UPA administration altered expression of sex-steroid receptors and progesterone-regulated genes and was associated with low levels of glandular and stromal cell proliferation. WHAT IS KNOWN ALREADY: Administration of all SPRM class members results in PAEC (progesterone receptor modulator associated endometrial changes)...
January 26, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28114286/foxm1-recruits-nuclear-aurora-kinase-a-to-participate-in-a-positive-feedback-loop-essential-for-the-self-renewal-of-breast-cancer-stem-cells
#13
N Yang, C Wang, Z Wang, S Zona, S-X Lin, X Wang, M Yan, F-M Zheng, S-S Li, B Xu, L Bella, J-S Yong, E W-F Lam, Q Liu
Substantial evidence suggests that breast cancer initiation, recurrence and drug resistance is supported by breast cancer stem cells (BCSCs). Recently, we reported a novel role of Aurora kinase A (AURKA) in BCSCs, as a transactivating co-factor in the induction of the c-Myc oncoprotein. However, the mode of action and transcriptional network of nuclear AURKA in BCSCs remain unknown. Here, we report that nuclear AURKA can be recruited by Forkhead box subclass M1 (FOXM1) as a co-factor to transactivate FOXM1 target genes in a kinase-independent manner...
January 23, 2017: Oncogene
https://www.readbyqxmd.com/read/28087388/unravelling-the-role-of-fatty-acid-metabolism-in-cancer-through-the-foxo3-foxm1-axis
#14
Paula Saavedra-García, Katie Nichols, Zimam Mahmud, Lavender Yuen-Nam Fan, Eric W-F Lam
Obesity and cachexia represent divergent states of nutritional and metabolic imbalance but both are intimately linked to cancer. There is an extensive overlap in their signalling pathways and molecular components involved such as fatty acids (FAs), which likely play a crucial role in cancer. Forkhead box (FOX) proteins are responsible of a wide range of transcriptional programmes during normal development, and the FOXO3-FOXM1 axis is associated with cancer initiation, progression and drug resistance. Free fatty acids (FFAs), FA synthesis and β-oxidation are associated with cancer development and progression...
January 10, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28078605/transcriptional-regulatory-network-analysis-for-gastric-cancer-based-on-mrna-microarray
#15
Yan Wang
We aimed to screen the differential expressed genes (DEGs) and transcriptional factors (TFs) related to gastric cancer. GSE19826 microarray data downloaded from Gene Expression Omnibus was used to identify the differentially expressed genes (DEGs) and PPI network of DEGs were constructed by the Retrieval of Interacting Genes database. Pathway enrichment analysis of DEGs were performed by Gene Set Enrichment Analysis. Then, the transcriptional regulatory network was constructed based on TRANSFAC database. Finally, regulatory impact factor (RIF) of TF was calculated...
January 11, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28075524/topk-t-lak-cell-originated-protein-kinase-inhibitor-exhibits-growth-suppressive-effect-on-small-cell-lung-cancer
#16
Jae-Hyun Park, Hiroyuki Inoue, Taigo Kato, Makda Zewde, Takashi Miyamoto, Yo Matsuo, Ravi Salgia, Yusuke Nakamura
T-lymphokine-activated killer cell-originated protein kinase (TOPK) plays critical roles in cancer cell proliferation as well as maintenance of cancer stem cells (CSC). Small cell lung cancer (SCLC) has highly aggressive phenotype, reveals early spread to distant sites, and results in dismal prognosis with little effective treatment. In this study, we demonstrate that TOPK expression was highly upregulated in both SCLC cell lines and primary tumors. Similar to siRNA-mediated TOPK knockdown effects, treatment with a potent TOPK inhibitor, OTS514, effectively suppressed growth of SCLC cell lines (IC50 ; 0...
January 11, 2017: Cancer Science
https://www.readbyqxmd.com/read/28072973/-expression-of-foxm1-and-bcrp-in-invasive-breast-carcinoma-of-no-special-type-and-its-prognosis-significance
#17
Y Liu, Y P Liu, J Y Liu, H C Yang, Z D Wang
Objective: To investigate the relationship between expression of FoxM1 and BCRP in invasive breast carcinoma of no special type (IBC-NST) tissues and the clinical pathological characteristics and prognosis of the patients. Methods: Seventy-eight cases of IBC-NST with excision were included. The expression of FoxM1 and BCRP was assessed by immunohistochemistry and its relationship with the clinical pathological characteristics and prognosis was evaluated. Results: FoxM1 was expressed in 71.8%(56/78) of IBC-NST, and the expression was related to tumor diameter, TNM staging, ER, PR and HER2...
January 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28061449/central-spindle-proteins-and-mitotic-kinesins-are-direct-transcriptional-targets-of-muvb-b-myb-and-foxm1-in-breast-cancer-cell-lines-and-are-potential-targets-for-therapy
#18
Patrick Wolter, Steffen Hanselmann, Grit Pattschull, Eva Schruf, Stefan Gaubatz
The MuvB multiprotein complex, together with B-MYB and FOXM1 (MMB-FOXM1), plays an essential role in cell cycle progression by regulating the transcription of genes required for mitosis and cytokinesis. In many tumors, B-MYB and FOXM1 are overexpressed as part of the proliferation signature. However, the transcriptional targets that are important for oncogenesis have not been identified. Given that mitotic kinesins are highly expressed in cancer cells and that selected kinesins have been reported as target genes of MMB-FOXM1, we sought to determine which mitotic kinesins are directly regulated by MMB-FOXM1...
January 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28051999/foxm1-evokes-5-fluorouracil-resistance-in-colorectal-cancer-depending-on-abcc10
#19
Tao Xie, Jian Geng, Ye Wang, Liya Wang, Mengxi Huang, Jing Chen, Kai Zhang, Lijun Xue, Xiaobei Liu, Xiaobei Mao, Yanan Chen, Qian Wang, Tingting Dai, Lili Ren, Hongju Yu, Rui Wang, Longbang Chen, Cheng Chen, Xiaoyuan Chu
5-Fluorouracil (5-FU) is the most commonly used chemotherapeutic agent for colorectal cancer (CRC). However, frequently occurred 5-FU resistance poses a great challenge in the clinic. Elucidating the underlying mechanisms and developing effective strategies against 5-FU resistance are highly desired. Here we identified the upregulation of FOXM1 in 5-FU nonresponsive CRC patients by gene expression profile analysis and 5-FU-resistant CRC cells by qRT-PCR assay. Silencing of FOXM1 promoted the sensitivity of CRC cells to 5-FU by enhancing cell apoptosis, while overexpression of FOXM1 conferred CRC cells with 5-FU resistance both in vitro and in vivo...
January 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28012972/a-novel-peptide-9r-p201-strongly-inhibits-the-viability-proliferation-and-migration-of-liver-cancer-hepg2-cells-and-induces-apoptosis-by-down-regulation-of-foxm1-expression
#20
Zhenfei Bi, Wenrong Liu, Ruofang Ding, Yiran Wu, Rongkun Dou, Wenwen Zhang, Xue Yuan, Xinrong Liu, Lili Xiong, Zhiyun Guo, Canquan Mao
Overexpression of FoxM1 was closely related to the proliferation, metastasis, chemo-resistance and poor prognosis of various cancers. FoxM1 was regarded as the Achilles' heel of cancer and a potential target for anti-cancer drug discovery. We previously obtained several high affinity peptides from the phage random library against the DNA binding domain of FoxM1c (FoxM1c-DBD) protein. Here in this paper, we found that 9R-P201, one of the novel peptides, showed stronger inhibition to HepG2 cancer cells than those of DU145, HUVEC and L-02 cells with an IC50 of 43...
December 21, 2016: European Journal of Pharmacology
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