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FoxM1

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https://www.readbyqxmd.com/read/29664678/endothelial-and-smooth-muscle-cell-interaction-via-foxm1-signaling-mediates-vascular-remodeling-and-pulmonary-hypertension
#1
Zhiyu Dai, Maggie M Zhu, Yi Peng, Hua Jin, Narsa Machireddy, Zhijian Qian, Xianming Zhang, You-Yang Zhao
RATIONALE: Angioproliferative vasculopathy is a hallmark of pulmonary arterial hypertension (PAH). However, little is known how endothelial cell (EC) and smooth muscle cell (SMC) crosstalk regulates the angioproliferative vascular remodeling. OBJECTIVES: We aimed to investigate the role of EC and SMC interaction and underlying signaling pathways in PH development. METHODS: SMC-specific Foxm1 or Cxcr4 knockout mice, EC-specific Foxm1 or Egln1 knockout mice, as well as EC-specific Egln1/Cxcl12 double knockout mice were used to assess the role of FoxM1 on SMC proliferation and PH...
April 17, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29658607/key-signaling-pathways-genes-and-transcription-factors-associated-with-hepatocellular-carcinoma
#2
Jingcheng Wang, Yang Tian, Hui Chen, Hui Li, Shusen Zheng
The purpose of the present study was to investigate the underlying molecular mechanism of hepatocellular carcinoma (HCC) using bioinformatics approaches. The microarray dataset GSE64041 was downloaded from the Gene Expression Omnibus database, which included 60 tumor liver samples and 60 matched control samples. Differentially expressed genes (DEGs) between HCC and control groups were identified. Then functional enrichment analyses, protein‑protein interaction (PPI) network, sub‑network and integrated transcription factor (TF)‑microRNA (miRNA)‑target network analyses were performed for these DEGs...
April 12, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29620242/corosolic-acid-induces-cell-cycle-arrest-and-cell-apoptosis-in-human-retinoblastoma-y-79-cells-via-disruption-of-melk-foxm1-signaling
#3
Ke Wang, Xue Zhu, Yong Yao, Min Yang, Fanfan Zhou, Ling Zhu
Retinoblastoma (Rb) is the most frequent primary intraocular tumor usually diagnosed in infants and children, and current therapy for such disease is still limited. Corosolic acid (CA), an ursane-type pentacyclic triterpene, has been assessed as a promising anticancer agent with little impact on untransformed cells. In the present study, we investigated the cytotoxic effect and underlying mechanism of CA on human retinoblastoma Y-79 cells. The viability of cells was verified by MTT assay. Cell cycle and apoptosis were evaluated by flow cytometric analysis...
March 28, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29596365/ube2c-is-a-transcriptional-target-of-the-cell-cycle-regulator-foxm1
#4
Pedro Nicolau-Neto, Antonio Palumbo, Marco De Martino, Francesco Esposito, Tatiana de Almeida Simão, Alfredo Fusco, Luiz Eurico Nasciutti, Nathalia Meireles Da Costa, Luis Felipe Ribeiro Pinto
FOXM1 (forkhead box protein M1) is a transcription factor that participates in all stages of tumor development, mainly through the control of cell cycle and proliferation, regulating the expression of genes involved in G1/S and G2/M transition and M phase progression. The ubiquitin conjugating enzyme E2 (UBE2C) is a member of the anaphase promoting complex/cyclosome, promoting the degradation of several target proteins along cell cycle progression, during metaphase/anaphase transition. FOXM1 and UBE2C have been found overexpressed in a wide range of different solid tumors...
March 29, 2018: Genes
https://www.readbyqxmd.com/read/29590631/comprehensive-molecular-profiling-identifies-foxm1-as-a-key-transcription-factor-for-meningioma-proliferation
#5
Harish N Vasudevan, Steve E Braunstein, Joanna J Phillips, Melike Pekmezci, Bryan A Tomlin, Ashley Wu, Gerald F Reis, Stephen T Magill, Jie Zhang, Felix Y Feng, Theodore Nicholaides, Susan M Chang, Penny K Sneed, Michael W McDermott, Mitchel S Berger, Arie Perry, David R Raleigh
Meningioma is the most common primary intracranial tumor, but the molecular drivers of aggressive meningioma are incompletely understood. Using 280 human meningioma samples and RNA sequencing, immunohistochemistry, whole-exome sequencing, DNA methylation arrays, and targeted gene expression profiling, we comprehensively define the molecular profile of aggressive meningioma. Transcriptomic analyses identify FOXM1 as a key transcription factor for meningioma proliferation and a marker of poor clinical outcomes...
March 27, 2018: Cell Reports
https://www.readbyqxmd.com/read/29575305/foxm1-transcriptionally-regulates-the-expression-of-long-noncoding-rnas-snhg8-and-gm26917-to-promote-proliferation-and-survival-of-muscle-satellite-cells
#6
Zhe Chen, Nuping Bu, Xiaohong Qiao, Zhixiang Zuo, Yahai Shu, Zhilong Liu, Zhijian Qian, Jieping Chen, Yu Hou
Multiple functions have been proposed for transcription factor FoxM1, including the regulation of cell proliferation, differentiation, senescence, apoptosis, and tissue homeostasis. However, the role of FoxM1 in muscle satellite cells (SCs) remains unclear. In the present study, we demonstrated that FoxM1 was essential for the proliferation and survival of SCs. Crucially, we found that long noncoding RNAs (lncRNAs) Snhg8 and Gm26917 significantly regulated the proliferation and apoptosis of SCs, respectively, and these lncRNAs were directly regulated by FoxM1 in SCs...
March 25, 2018: Stem Cells
https://www.readbyqxmd.com/read/29554906/transcription-factor-foxm1-is-the-downstream-target-of-c-myc-and-contributes-to-the-development-of-prostate-cancer
#7
Huafeng Pan, Yudi Zhu, Wei Wei, Siliang Shao, Xin Rui
BACKGROUND: Prostate cancer is a common malignancy and the second leading cause of cancer death in men. Elevated expression of the transcription factor FoxM1 and c-Myc has been identified in prostate cancer. However, the potential mechanism of elevated FoxM1 and c-Myc to the development of prostate cancer has not been identified. METHODS: In this report, the mRNA level of FoxM1 and c-Myc was detected in 30 prostate cancer and para-cancer tissues. Then, we detected the expression level of FoxM1 by real-time PCR and Western blot after disturbance of the expression level of c-Myc in PC-3 cells...
March 20, 2018: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29552295/lncrna-loc653786-promotes-growth-of-rcc-cells-via-upregulating-foxm1
#8
Fan Yang, Qingjian Wu, Yan Zhang, Haojun Xiong, Xinzhe Li, Bo Li, Wei Xie, Le Zhang, Min Xu, Kebin Zhang, Fengtian He
Renal cell carcinoma (RCC) is the most common kidney malignancy with poor prognosis. Recently, long noncoding RNAs (lncRNAs) have been demonstrated as important regulators in multiple cancers including RCC. LOC653786 is a lncRNA, but its role in cancer remains unclear. In this study, we for the first time found that LOC653786 was upregulated in RCC tissues and cell lines, and this lncRNA promoted growth and cell cycle progression of RCC cells. Moreover, we showed that LOC653786 elevated the expression of forkhead box M1 (FOXM1) and its downstream target genes cyclin D1 and cyclin B1 in RCC cells...
February 23, 2018: Oncotarget
https://www.readbyqxmd.com/read/29552222/overexpression-of-foxm1-as-a-target-for-malignant-progression-of-esophageal-squamous-cell-carcinoma
#9
Liang Song, Xiaohang Wang, Zhen Feng
Esophageal squamous cell carcinoma (ESCC) is one of the most common types of malignancies globally. Forkhead box M1 (FOXM1) has important functions in cancer progression. However, the function of FOXM1 signaling in ESCC remains unknown. The aim of the present study was to evaluate the expression level and function of FOXM1 in human ESCC. The present study first detected the FOXM1 expression level in 78 cases of primary ESCC tissues and matched normal tissue samples by immunohistochemistry, western blot analysis and reverse transcription-quantitative polymerase chain reaction...
April 2018: Oncology Letters
https://www.readbyqxmd.com/read/29545475/olaparib-induced-adaptive-response-is-disrupted-by-foxm1-targeting-which-enhances-sensitivity-to-parp-inhibition
#10
Pingping Fang, Jill A Madden, Lisa Neums, K Ryan Moulder, M Laird Forrest, Jeremy Chien
FOXM1 transcription factor network is activated in over 84% of cases in high-grade serous ovarian cancer (HGSOC), and FOXM1 upregulates the expression of genes involved in the homologous recombination (HR) DNA damage and repair (DDR) pathway. However, the role of FOXM1 in poly (ADP-ribose) polymerase (PARP) inhibitor response has not yet been studied. The present study demonstrates that PARP inhibitor (PARPi), olaparib, induces the expression and nuclear localization of FOXM1. Based on ChIP-qPCR, olaparib enhances the binding of FOXM1 to genes involved in HR repair...
March 15, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29544862/the-role-of-glucokinase-and-insulin-receptor-substrate-2-in-the-proliferation-of-pancreatic-beta-cells-induced-by-short-term-high-fat-diet-feeding-in-mice
#11
Naoyuki Kitao, Akinobu Nakamura, Hideaki Miyoshi, Hiroshi Nomoto, Kiyohiko Takahashi, Kazuno Omori, Kohei Yamamoto, Kyu Yong Cho, Yasuo Terauchi, Tatsuya Atsumi
OBJECTIVE: We investigated whether glucokinase and insulin receptor substrate-2 were required for beta cell proliferation induced by short-term high-fat (HF) diet feeding, as has been shown for long-term HF diet. METHODS: Eight-week-old C57BL/6 J mice were exposed to either a standard chow (SC) or HF diet. After 1 week on the diet, histopathological beta cell proliferation and gene expression in isolated islets were examined. Additionally, 8-week-old beta cell-specific glucokinase haploinsufficient (Gck+/- ) and Irs2 knockout (Irs2-/- ) mice were exposed to either an SC or HF diet...
March 12, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29540208/exosomes-from-patients-with-septic-shock-convey-mirnas-related-to-inflammation-and-cell-cycle-regulation-new-signaling-pathways-in-sepsis
#12
Juliana Monte Real, Ludmila Rodrigues Pinto Ferreira, Gustavo Henrique Esteves, Fernanda Christtanini Koyama, Marcos Vinícius Salles Dias, João Evangelista Bezerra-Neto, Edécio Cunha-Neto, Flavia Ribeiro Machado, Reinaldo Salomão, Luciano Cesar Pontes Azevedo
BACKGROUND: Exosomes isolated from plasma of patients with sepsis may induce vascular apoptosis and myocardial dysfunction by mechanisms related to inflammation and oxidative stress. Despite previous studies demonstrating that these vesicles contain genetic material related to cellular communication, their molecular cargo during sepsis is relatively unknown. In this study, we evaluated the presence of microRNAs (miRNAs) and messenger RNAs (mRNAs) related to inflammatory response and redox metabolism in exosomes of patients with septic shock...
March 15, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29514186/cc-401-promotes-%C3%AE-cell-replication-via-pleiotropic-consequences-of-dyrk1a-b-inhibition
#13
Yassan Abdolazimi, Sooyeon Lee, Haixia Xu, Paul Allegretti, Timothy M Horton, Benjamin Yeh, Hannah P Moeller, Robert J Nichols, David McCutcheon, Aryaman Shalizi, Mark Smith, Neali A Armstrong, Justin P Annes
Pharmacologic expansion of endogenous β-cells is a promising therapeutic strategy for diabetes. To elucidate the molecular pathways that control β-cell growth we screened ∼2,400 bioactive compounds for rat β-cell replication-modulating activity. Numerous hit compounds impaired or promoted rat β-cell replication, including CC-401, an advanced clinical candidate previously characterized as a c-Jun N-terminal kinase (JNK) inhibitor. Surprisingly, CC-401 induced rodent (in vitro and in vivo) and human (in vitro) β-cell replication via dual specificity tyrosine-phosphorylation-regulated kinases (DYRK1A/B) inhibition...
March 5, 2018: Endocrinology
https://www.readbyqxmd.com/read/29512768/anthocyanin-complex-exerts-anti-cholangiocarcinoma-activities-and-improves-the-efficacy-of-drug-treatment-in-a-gemcitabine-resistant-cell-line
#14
Kitti Intuyod, Aroonsri Priprem, Chawalit Pairojkul, Chariya Hahnvajanawong, Kulthida Vaeteewoottacharn, Porntip Pinlaor, Somchai Pinlaor
Cholangiocarcinoma (CCA) is a deleterious bile duct tumor with poor prognosis and is relatively resistant to chemotherapy. Therefore, alternative or supplementary agents with anticancer and chemosensitizing activities may be useful for the treatment of CCA. A novel anthocyanin complex (AC) nanoparticle, developed from extracts of cobs of purple waxy corn and petals of blue butterfly pea, has exhibited chemopreventive potential in vivo. In the present study, the anti-CCA activities of AC and their underlying molecular mechanisms were investigated further in vitro using a CCA cell line (KKU213)...
March 7, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29511457/downregulation-of-foxm1-inhibits-cell-growth-and-migration-and-invasion-in-bladder-cancer-cells
#15
Xinping Yang, Yuanyuan Shi, Jingzhe Yan, Haitao Fan
The FoxM1 (Forkhead Box M1) transcription factor plays a key role in regulation of cell growth, cell cycle, and transformation. Higher expression of FoxM1 has been observed in various types of human cancers including bladder cancer. However, the exact function of FoxM1 in bladder cancer has not been elucidated. To investigate the cellular and molecular function of FoxM1 in bladder cancer, we measured the consequences of downregulation and upregulation of FoxM1 in bladder cancer cells using MTT assay, wound healing assay, and invasion assay...
2018: American Journal of Translational Research
https://www.readbyqxmd.com/read/29504520/forkhead-box-m1-foxm1-expression-predicts-disease-free-survival-and-may-mediate-resistance-to-chemotherapy-and-hormonotherapy-in-male-breast-cancer
#16
Syrine Abdeljaoued, Lhem Bettaieb, Meher Nasri, Olfa Adouni, Aida Goucha, Hatem Bouzaiene, Hamouda Boussen, Khaled Rahal, Amor Gamoudi
BACKGROUND: Male breast cancer (MBC) is a rare and neglected disease. Prognostic and predictive factors in MBC are extrapoled from trials conducted on its female counterpart. OBJECTIVE: Since the relationship between the transcription factor Forkhead box M1 (FOXM1) expression and the clinical response to chemotherapy and hormonotherapy in MBC remains unknown, we sought to investigate the predictive value of FOXM1 in MBC. METHODS: FOXM1 expression was assessed in 130 MBC cases...
February 28, 2018: Breast Disease
https://www.readbyqxmd.com/read/29476172/foxm1-controls-a-pro-stemness-microrna-network-in-neural-stem-cells
#17
Zein Mersini Besharat, Luana Abballe, Francesco Cicconardi, Arjun Bhutkar, Luigi Grassi, Loredana Le Pera, Marta Moretti, Mauro Chinappi, Daniel D'Andrea, Angela Mastronuzzi, Alessandra Ianari, Alessandra Vacca, Enrico De Smaele, Franco Locatelli, Agnese Po, Evelina Miele, Elisabetta Ferretti
Cerebellar neural stem cells (NSCs) require Hedgehog-Gli (Hh-Gli) signalling for their maintenance and Nanog expression for their self-renewal. To identify novel molecular features of this regulatory pathway, we used next-generation sequencing technology to profile mRNA and microRNA expression in cerebellar NSCs, before and after induced differentiation (Diff-NSCs). Genes with higher transcript levels in NSCs (vs. Diff-NSCs) included Foxm1, which proved to be directly regulated by Gli and Nanog. Foxm1 in turn regulated several microRNAs that were overexpressed in NSCs: miR-130b, miR-301a, and members of the miR-15~16 and miR-17~92 clusters and whose knockdown significantly impaired the neurosphere formation ability...
February 23, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29472532/co-inhibition-of-bet-proteins-and-nf-%C3%AE%C2%BAb-as-a-potential-therapy-for-colorectal-cancer-through-synergistic-inhibiting-myc-and-foxm1-expressions
#18
Tingyu Wu, Guanghui Wang, Wei Chen, Zhehui Zhu, Yun Liu, Zhenyu Huang, Yuji Huang, Peng Du, Yili Yang, Chen-Ying Liu, Long Cui
The bromodomain and extra-terminal domain inhibitors (BETi) are promising epigenetic drugs for the treatment of various cancers through suppression of oncogenic transcription factors. However, only a subset of colorectal cancer (CRC) cells response to BETi. We investigate additional agents that could be combined with BETi to overcome this obstacle. JQ1-resistant CRC cells were used for screening of the effective combination therapies with JQ1. RNA-seq was performed to explore the mechanism of synergistic effect...
February 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29464042/yap-associated-chromosomal-instability-and-cholangiocarcinoma-in-mice
#19
Sumera Rizvi, Samantha R Fischbach, Steven F Bronk, Petra Hirsova, Anuradha Krishnan, Renumathy Dhanasekaran, James B Smadbeck, Rory L Smoot, George Vasmatzis, Gregory J Gores
Deregulated Hippo pathway signaling is associated with aberrant activation of the downstream effector yes-associated protein (YAP), an emerging key oncogenic mediator in cholangiocarcinoma (CCA). In our prior work, we have demonstrated that biliary transduction of YAP along with Akt as a permissive factor induces CCA in mice. To further delineate the mechanisms associated with YAP-associated biliary oncogenesis, we have established seven malignant murine cell lines from our YAP-driven murine CCA model. These cells express the CCA markers SRY (Sex Determining Region Y)-Box 9 (SOX9), cytokeratin (CK)-7 and 19 but lack hepatocyte nuclear factor 4 alpha and alpha-smooth muscle actin, markers of hepatocellular carcinoma and cancer-associated fibroblasts, respectively...
January 19, 2018: Oncotarget
https://www.readbyqxmd.com/read/29462945/luminal-lncrnas-regulation-by-er%C3%AE-controlled-enhancers-in-a-ligand-independent-manner-in-breast-cancer-cells
#20
Valentina Miano, Giulio Ferrero, Valentina Rosti, Eleonora Manitta, Jamal Elhasnaoui, Giulia Basile, Michele De Bortoli
Estrogen receptor-α (ERα) is a ligand-inducible protein which mediates estrogenic hormones signaling and defines the luminal BC phenotype. Recently, we demonstrated that even in absence of ligands ERα (apoERα) binds chromatin sites where it regulates transcription of several protein-coding and lncRNA genes. Noteworthy, apoERα-regulated lncRNAs marginally overlap estrogen-induced transcripts, thus representing a new signature of luminal BC genes. By the analysis of H3K27ac enrichment in hormone-deprived MCF-7 cells, we defined a set of Super Enhancers (SEs) occupied by apoERα, including one mapped in proximity of the DSCAM-AS1 lncRNA gene...
February 16, 2018: International Journal of Molecular Sciences
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