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Yanyan Zhu, Liang Qiao, Yun Zhou, Ning Ma, Chaojie Wang, Jianwei Zhou
Emerging evidence has indicated that long non-coding RNA plays an important role in the carcinogenesis at the transcriptional and post-translational levels. The regulation of carcinogenesis related effectors is potent in the determination of tumor initiation and progression. In current study, FOXD2-AS1 was found to interact with miR-185-5p to modulate proliferation, migration and invasion of colorectal cancer (CRC) cells. Interestingly, cell division control (CDC) 42 expression was significantly influenced by FOXD2-AS1 and miR-185-5p...
May 8, 2018: Cancer Science
Qing An, Liyang Zhou, Nan Xu
Increasing evidences have proved that long noncoding RNAs (lncRNAs) modulate the tumorigenesis of bladder cancer involved in multiple pathophysiological processes. In the study, we investigate the role of lncRNA FOXD2-AS1 in the gemcitabine (GEM) resistant bladder cancer and explore its potential mechanism. Results showed that lncRNA FOXD2-AS1 was high-expressed in gemcitabine-resistant bladder cancer cells. In vitro experiments, FOXD2-AS1 knockdown suppressed the 50% inhibitive concentration (IC50) of gemcitabine, drug-resistance related genes (MDR1, MRP2, LRP1) expression, invasion and ABCC3 protein expression in gemcitabine-resistant bladder cancer cells (T24/GEM, 5637/GEM)...
April 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Feng Su, Wang He, Changhao Chen, Mo Liu, Hongwei Liu, Feiyuan Xue, Junming Bi, Dawei Xu, Yue Zhao, Jian Huang, Tianxin Lin, Chun Jiang
Long non-coding RNAs (lncRNAs) have been identified as significant regulators in cancer progression. Positive feedback loops between lncRNAs and transcription factors have attracted increasing attention. Akt pathway plays a crucial role in bladder cancer growth and recurrence. In the present study, we demonstrate a novel regulatory pattern involving FOXD2-AS1, Akt, and E2F1. FOXD2-AS1 is highly expressed in bladder cancer and is associated with tumor stage, recurrence, and poor prognosis. Further experiments showed that FOXD2-AS1 promotes bladder cancer cell proliferation, migration, and invasion in vitro and in vivo...
February 14, 2018: Cell Death & Disease
Jie Bao, Chenjie Zhou, Jiaqing Zhang, Jiaqiang Mo, Qing Ye, Junming He, Jingfang Diao
BACKGROUND: The long non-coding RNA FOXD2-AS1 is highly expressed in non-small cell lung cancer and promotes malignant progression. However, the role of FOXD2-AS1 in esophageal squamous cell carcinoma (ESCC) is still unclear. OBJECTIVE: In this study, we examined the relationships between the expression level of FOXD2-AS1 and the outcome of ESCC patients. METHODS: Expression of FOXD2-AS1 was evaluated in cancer tissue and adjacent non-tumor tissue samples from 147 ESCC patients who received radical surgical resection using qRT-PCR...
February 14, 2018: Cancer Biomarkers: Section A of Disease Markers
Gang Chen, Wenjie Sun, Xinying Hua, Wei Zeng, Lijing Yang
Long non-coding RNAs (lncRNAs) have been wildly verified to modulate multiple tumorigenesis, especially nasopharyngeal carcinoma (NPC). In present study, we aim to investigate the role of lncRNA FOXD2-AS1 in the NPC carcinogenesis. It was indicated that FOXD2-AS1 was markedly increased in NPC tissues and cells in comparison to their corresponding controls. Moreover, the aberrant overexpression of FOXD2-AS1 indicated the poor prognosis of NPC patients. Silence of FOXD2-AS1 was able to repress NPC cell growth in vitro while overexpression of FOXD2-AS1 inversed this process...
March 1, 2018: Gene
X Yang, B Duan, X Zhou
OBJECTIVE: A growing number of long noncoding RNAs (lncRNAs) are emerging as new modulators in cancer origination and progression. However, the functions and molecular mechanisms of lncRNAs to colorectal cancer (CRC) are still largely unknown. The aim of this study was to investigate the function and role of lncRNA FOXD2-AS1 (FOXD2-AS1) in human CRC. PATIENTS AND METHODS: The expression of FOXD2-AS1 was investigated using Real-time reverse transcription-polymerase chain reaction (qRT-PCR) in 45 CRC specimens and matched adjacent normal tissues and CRC cell lines...
August 2017: European Review for Medical and Pharmacological Sciences
Kirill Batmanov, Wei Wang, Magnar Bjørås, Jan Delabie, Junbai Wang
The contribution of mutations in regulatory regions to tumorigenesis has been the subject of many recent studies. We propose a new framework for integrative analysis of genome-wide sequencing data by considering diverse genetic information. This approach is applied to study follicular lymphoma (FL), a disease for which little is known about the contribution of regulatory gene mutations. Results from a test FL cohort revealed three novel highly recurrent regulatory mutation blocks near important genes implicated in FL, BCL6 and BCL2...
August 1, 2017: Scientific Reports
Grethel Millington, Kelsey H Elliott, Ya-Ting Chang, Ching-Fang Chang, Andrzej Dlugosz, Samantha A Brugmann
Ciliopathies are a class of diseases caused by the loss of a ubiquitous, microtubule-based organelle called a primary cilium. Ciliopathies commonly result in defective development of the craniofacial complex, causing midfacial defects, craniosynostosis, micrognathia and aglossia. Herein, we explored how the conditional loss of primary cilia on neural crest cells (Kif3a(f/f);Wnt1-Cre) generated aglossia. On a cellular level, our data revealed that aglossia in Kif3a(f/f);Wnt1-Cre embryos was due to a loss of mesoderm-derived muscle precursors migrating into and surviving in the tongue anlage...
April 15, 2017: Developmental Biology
Lin Rong, Ruixing Zhao, Jinxiu Lu
Non-small cell lung cancer (NSCLC) is one of the most common and aggressive tumors around the world. Long-noncoding RNAs (lncRNAs) have been recently shown to play important roles in regulating numerous biological processes including tumor progression. However, the role of lncRNA FOXD2-AS1 in NSCLC remains unclear. In this study, we found that lncRNA FOXD2-AS1 is significantly up-regulated in NSCLC tissues. Loss- and gain-function assays revealed that FOXD2-AS1 promotes NSCLC cell growth and NSCLC tumor progression...
March 11, 2017: Biochemical and Biophysical Research Communications
Cheng-Yun Li, Ge-Yu Liang, Wen-Zhuo Yao, Jing Sui, Xian Shen, Yan-Qiu Zhang, Hui Peng, Wei-Wei Hong, Yan-Cheng Ye, Zhi-Yi Zhang, Wen-Hua Zhang, Li-Hong Yin, Yue-Pu Pu
Abnormal expression of long non-coding RNAs (lncRNAs) have been shown to play an important role in tumor biology. The Cancer Genome Atlas (TCGA) platform is a large sample sequencing database of lncRNAs, and further analysis of the associations between these data and patients' clinical related information can provide new approaches to find the functions of lncRNA. In the present study, 361 RNA sequencing profiles of gastric cancer (GC) patients were selected from TCGA. Then, we constructed the lncRNA-miRNA-mRNA competitive endogenous RNA (ceRNA) network of GC...
May 2016: International Journal of Oncology
Pablo Conesa-Zamora, José García-Solano, María Del Carmen Turpin, Patricia Sebastián-León, Daniel Torres-Moreno, Eduardo Estrada, Anne Tuomisto, Jamie Wilce, Markus J Mäkinen, Miguel Pérez-Guillermo, Ana Conesa
BACKGROUND: Serrated adenocarcinoma (SAC) is a recently recognized colorectal cancer (CRC) subtype accounting for 7.5-8.7 % of CRCs. It has been shown that SAC has a worse prognosis and different histological and molecular features compared to conventional carcinoma (CC) but, to date, there is no study analysing its methylome profile. RESULTS: The methylation status of 450,000 CpG sites using the Infinium Human Methylation 450 BeadChip array was investigated in 103 colorectal specimens, including 39 SACs and 34 matched CCs, from Spanish and Finnish patients...
2015: Clinical Epigenetics
Kelly M Bakulski, HwaJin Lee, Jason I Feinberg, Ellen M Wells, Shannon Brown, Julie B Herbstman, Frank R Witter, Rolf U Halden, Kathleen Caldwell, Mary Ellen Mortensen, Andrew E Jaffe, John Moye, Laura E Caulfield, Yi Pan, Lynn R Goldman, Andrew P Feinberg, M Daniele Fallin
BACKGROUND: Human exposure to the widespread environmental contaminant mercury is a known risk factor for common diseases such as cancer, cardiovascular disease and neurological disorders through poorly characterized mechanisms. Evidence suggests mercury exposure may alter DNA methylation levels, but to date, the effects in early life on a genome-wide scale have not been investigated. METHODS: A study sample of 141 newborns was recruited in Baltimore, MD, USA and total mercury and methylmercury were measured in cord blood samples...
August 2015: International Journal of Epidemiology
Leonie van der Heul-Nieuwenhuijsen, Natasja F Dits, Guido Jenster
OBJECTIVE To assess the expression of forkhead transcription factors (FOX) in normal prostate and prostate diseases, as since the first FOX was identified, its family members have been implicated in a variety of cellular processes, including embryonic development and disease. MATERIAL AND METHODS We analysed a set of 12 different FOX genes by quantitative reverse transcription-polymerase chain reaction in prostate zones, prostate cancer, lymph node metastases, benign prostatic hyperplasia (BPH), xenografts and several prostate cell lines...
June 2009: BJU International
H Jonsson, S L Peng
The forkhead (Fox) gene family comprises a diverse group of "winged-helix" transcription factors that play important roles in development, metabolism, cancer and aging. Recently, several forkhead genes have been demonstrated to play critical roles in lymphocyte development and effector function, including Foxp3 in the development of regulatory T cells, Foxj1 and Foxo3a in the regulation of CD4+ T cell tolerance, and Foxn1 in thymic development. Roles for other forkhead genes have also been proposed, including Foxp1 in macrophage differentiation, Foxq1 in natural killer cell effector function and Foxd2 in T cell activation...
February 2005: Cellular and Molecular Life Sciences: CMLS
Masuko Katoh, Masaru Katoh
Human Forkhead-box (FOX) gene family consists of at least 43 members, including FOXA1, FOXA2, FOXA3, FOXB1, FOXC1, FOXC2, FOXD1, FOXD2, FOXD3, FOXD4, FOXD5 (FOXD4L1), FOXD6 (FOXD4L3), FOXE1, FOXE2, FOXE3, FOXF1, FOXF2, FOXG1 (FOXG1B), FOXH1, FOXI1, FOXJ1, FOXJ2, FOXJ3, FOXK1, FOXK2, FOXL1, FOXL2, FOXM1, FOXN1, FOXN2 (HTLF), FOXN3 (CHES1), FOXN4, FOXN5 (FOXR1), FOXN6 (FOXR2), FOXO1 (FOXO1A), FOXO2 (FOXO6), FOXO3 (FOXO3A), FOXO4 (MLLT7), FOXP1, FOXP2, FOXP3, FOXP4, and FOXQ1. FOXE3-FOXD2 (1p33), FOXQ1-FOXF2-FOXC1 (6p25...
November 2004: International Journal of Oncology
C Christian Johansson, Maria K Dahle, Sandra Rodrigo Blomqvist, Line M Grønning, Einar M Aandahl, Sven Enerbäck, Kjetil Taskén
Forkhead/winged helix (FOX) transcription factors are essential for control of the cell cycle and metabolism. Here, we show that spleens from Mf2-/- (FOXD2-/-) mice have reduced mRNA (50%) and protein (35%) levels of the RIalpha subunit of the cAMP-dependent protein kinase. In T cells from Mf2-/- mice, reduced levels of RIalpha translates functionally into approximately 2-fold less sensitivity to cAMP-mediated inhibition of proliferation triggered through the T cell receptor-CD3 complex. In Jurkat T cells, FOXD2 overexpression increased the endogenous levels of RIalpha through induction of the RIalpha1b promoter...
May 9, 2003: Journal of Biological Chemistry
Jr-Kai Yu, Nicholas D Holland, Linda Z Holland
During amphioxus development, the neural plate is bordered by cells expressing many genes with homologs involved in vertebrate neural crest induction. However, these amphioxus cells evidently lack additional genetic programs for the cell delaminations, migrations, and differentiations characterizing definitive vertebrate neural crest. We characterize an amphioxus winged helix/forkhead gene (AmphiFoxD) closely related to vertebrate FoxD genes. Phylogenetic analysis indicates that the AmphiFoxD is basal to vertebrate FoxD1, FoxD2, FoxD3, FoxD4, and FoxD5...
November 2002: Developmental Dynamics: An Official Publication of the American Association of Anatomists
Barbara S Pohl, Walter Knöchel
We have investigated the sequence and expression pattern of the Xenopus laevis FoxD2 gene, a member of the fork head/winged helix multigene family. The derived protein sequence is most closely related to FoxD2 factors known from other species. Maternal FoxD2 transcripts are degraded during early cleavage stages. Zygotic transcription is activated after the midblastula transition followed by a pronounced increase during neurulation. Whole mount in situ hybridisations reveal that FoxD2 is predominantly expressed in the paraxial mesoderm, but not within the myotome...
February 2002: Mechanisms of Development
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