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Wnt and Cervical Cancer

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https://www.readbyqxmd.com/read/28628975/highly-expressed-long-non-coding-rna-nnt-as1-promotes-cell-proliferation-and-invasion-through-wnt-%C3%AE-catenin-signaling-pathway-in-cervical-cancer
#1
Fangfang Hua, Shanshan Liu, Lihong Zhu, Ning Ma, Shan Jiang, Jun Yang
BACKGROUND: Cervical cancer is the most common gynecological malignancies in women worldwide. The previous study showed that lncRNA NNT-AS1 could play an important role in tumor development and metastasis of colorectal cancer. However, little is known about the function of NNT-AS1 in cervical cancer. The aim of this study was to investigate the expression profile of NNT-AS1 in cervical cancer and assess its possible molecular mechanism. METHODS: Relative expression levels of NNT-AS1 in cervical cancer tissues were determined by qRT-PCR...
June 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28627610/silencing-dek-downregulates-cervical-cancer-tumorigenesis-and-metastasis-via-the-dek-p-ser9-gsk-3%C3%AE-p-tyr216-gsk-3%C3%AE-%C3%AE-catenin-axis
#2
Xiaoyang Xu, Lin Zou, Qiuhui Yao, Yanbo Zhang, Li Gan, Liangdan Tang
Cervical cancer is the second most common gynecological malignancy. The mechanisms of the genesis and progression of cervical cancer are complicated and not thoroughly understood. DEK is reported as an oncogene in various cancers, such as acute myeloid leukemia, bladder cancer, breast cancer and hepatocellular cancer. However, its role in cervical cancer has not been well studied. In our study, we confirmed the DEK protein as an oncoprotein in cervical cancer tissues which is correlated to cervical cancer FIGO staging and tumor type...
June 14, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28615533/long-non-coding-rna-tug1-promotes-cervical-cancer-progression-by-regulating-the-mir-138-5p-sirt1-axis
#3
Jie Zhu, Huirong Shi, Huina Liu, Xiaojuan Wang, Fengmei Li
Increasing evidences showed that long non-coding RNAs (lncRNAs) play vital roles in tumor progression. Recent studies indicated that lncRNA TUG1 was upregulated and promoted tumor processes in several cancers. However, the expression and underlying mechanism of TUG1 in cervical cancer remain unclear. In the present study, we found that TUG1 expression was upregulated in cervical cancer tissues and correlated with advanced clinical features and poor overall survival. TUG1 knockdown suppressed cervical cancer cell growth and metastasis in vitro and tumor growth in vivo...
May 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/28477068/the-role-of-mir-130a-in-cancer
#4
REVIEW
He-da Zhang, Lin-Hong Jiang, Da-Wei Sun, Jian Li, Zhen-Ling Ji
MicroRNAs (miRs) are short and highly conserved non-coding RNAs molecules consisting of 18-25 nucleotides that regulate gene expression at post-transcriptional level by direct binding to complementary binding sites within the 3'untranslated region (3'UTR) of target mRNAs. New evidences have demonstrated that miRNAs play an important role in diverse physiological processes, including regulating cell growth, apoptosis, metastasis, drug resistance, and invasion. In chromosomes 11 and 22 of the miR-130 family, paralogous miRNA sequences, miR-130a and miR-130b are situated, respectively...
May 5, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28448437/sulfiredoxin-may-promote-cervical-cancer-metastasis-via-wnt-%C3%AE-catenin-signaling-pathway
#5
Kangyun Lan, Yuni Zhao, Yue Fan, Binbin Ma, Shanshan Yang, Qin Liu, Hua Linghu, Hui Wang
The abnormal elevation of sulfiredoxin (Srx/SRXN1)-an antioxidant enzyme whose main function is to protect against oxidative stress-has been shown to be closely correlated with the progression of several types of cancer, including human cervical cancer. However, the molecular mechanism by which Srx promotes tumor progression, especially cancer metastasis in cervical cancer, has not been elucidated. Here, we show that Srx expression gradually increases during the progression of human cervical cancer and its expression level is closely correlated with lymph node metastasis...
April 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28386346/targeting-the-eif4e-%C3%AE-catenin-axis-sensitizes-cervical-carcinoma-squamous-cells-to-chemotherapy
#6
Hai Xu, Zhiyin Wang, Lang Xu, Guoyan Mo, Gangfeng Duan, Yali Wang, Zhengang Sun, Hao Chen
Chemotherapy has improved the clinical outcomes of cervical cancer patients. However, patients develop chemoresistance, whose underlying mechanisms are not well understood. In this study, we investigated the phosphorylation levels of eukaryotic translation initiation factor 4E (eIF4E) in cervical cancer cells subjected to chemotherapy. Results showed that chemotherapeutic drugs significantly increased eIF4E phosphorylation at S209 in HeLa and SiHa cells. Upregulation of phosphorylated eIF4E (p-eIF4E) levels has also been shown in cisplatin-resistant HeLa cells and has been observed to be a common response of cervical cancer patients undergoing chemotherapy...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28303973/e6-e7-p53-pou2f1-cthrc1-axis-promotes-cervical-cancer-metastasis-and-activates-wnt-pcp-pathway
#7
Rong Zhang, Huan Lu, Yuan-Yuan Lyu, Xiao-Mei Yang, Lin-Yan Zhu, Guang-Dong Yang, Peng-Cheng Jiang, Yuan Re, Wei-Wei Song, Jin-Hao Wang, Can-Can Zhang, Fei Gu, Tian-Jiao Luo, Zhi-Yong Wu, Cong-Jian Xu
Cervical cancer is an infectious cancer and the most common gynecologic cancer worldwide. E6/E7, the early genes of the high-risk mucosal human papillomavirus type, play key roles in the carcinogenic process of cervical cancer. However, little was known about its roles in modulating tumor microenvironment, particular extracellular matrix (ECM). In this study, we found that E6/E7 could regulate multiple ECM proteins, especially collagen triple helix repeat containing 1 (CTHRC1). CTHRC1 is highly expressed in cervical cancer tissue and serum and closely correlated with clinicopathological parameters...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28300286/clinical-significance-and-prognosis-value-of-wnt-signaling-pathway-in-cervical-cancer
#8
Afsane Bahrami, Malihe Hasanzadeh, Soodabeh ShahidSales, Zohre Yousefi, Sima Kadkhodayan, Marjaneh Farazestanian, Mona Joudi Mashhad, Masoumeh Gharib, Seyed Mahdi Hassanian, Amir Avan
Cervical cancer is among the most commonly diagnosed cancer in women, supporting the need for identification of novel prognostic and predictive biomarkers to predict the risk of developing of this malignancy or predict the prognosis of patients. Against this background, the activation of the Wingless-type (Wnt)/β-catenin pathway has been suggested as the main dysregulated pathways, which is involved in the multistep process of cervical carcinogenesis, suggesting its value as a potential biomarker or therapeutic target...
March 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28277615/transcription-factor-ap-2%C3%AE-suppresses-cervical-cancer-cell-proliferation-by-promoting-the-degradation-of-its-interaction-partner-%C3%AE-catenin
#9
Fangmei Wang, Wenhuan Huang, Xiang Hu, Cheng Chen, Xinxin Li, Junlu Qiu, Zhongheng Liang, Jianmei Zhang, Limin Li, Xiaoqing Wang, Xiaofeng Ding, Shuanglin Xiang, Jian Zhang
Transcription factor AP-2β mediates the transcription of a number of genes implicated in mammalian development, cell proliferation and carcinogenesis. Although the expression pattern of AP-2β has been analyzed in cervical cancer cell lines, the functions and molecular mechanism of AP-2β are unknown. Here, we found that AP-2β significantly inhibits TCF/LEF reporter activity. Moreover, AP-2β and β-catenin interact both in vitro through GST pull-down assays and in vivo by co-immunoprecipitation. We further identified the interaction regions to the DNA-binding domain of AP-2β and the 1-9 Armadillo repeats of β-catenin...
March 9, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28088346/msi1-promotes-tumor-progression-by-epithelial-to-mesenchymal-transition-in-cervical-cancer
#10
Pijun Gong, Yidong Wang, Yane Gao, Mei Gao, Lixia Liu, Ping Qu, Xinxing Jin, Qing Gao
Musashi1 (Msi1) is an RNA-binding protein that has been reported to be a pivotal regulator in tumorigenesis and progression in several cancers. However, its function and mechanism in cervical cancer is still unknown. In this study, Msi1 expression was found elevated in cervical cancers by immunohistochemistry and correlated with poor outcomes. Then, endogenous Msi1 was silenced in cervical cancer cell lines by short hairpin RNA (shRNA), and its function and mechanism were determined. The results showed that the silencing of Msi1 in SiHa and HeLa cells inhibited the cells' migratory and invasive abilities in vitro and tumor progression in vivo...
January 11, 2017: Human Pathology
https://www.readbyqxmd.com/read/28077784/identification-and-characterization-of-hpv-independent-cervical-cancers
#11
Carolyn E Banister, Changlong Liu, Lucia Pirisi, Kim E Creek, Phillip J Buckhaults
BACKGROUND: Human papillomavirus (HPV) initiates cervical cancer, and continuous expression of HPV oncogenes E6 and E7 is thought to be necessary to maintain malignant growth. Current therapies target proliferating cells, rather than specific pathways, and most experimental therapies specifically target E6/E7. We investigated the presence and expression of HPV in cervical cancer, to correlate HPV oncogene expression with clinical and molecular features of these tumors that may be relevant to new targeted therapies...
February 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/27843945/%C3%AE-catenin-expression-negatively-correlates-with-wif1-and-predicts-poor-clinical-outcomes-in-patients-with-cervical-cancer
#12
Jinxiao Liang, Hui Zhou, Yongpai Peng, Xiaofei Xie, Ruixin Li, Yunyun Liu, Qingsheng Xie, Zhongqiu Lin
Aberrant activation of the canonical Wnt pathway plays a significant role in cervical cancer (CC). However, limited data show the correlation between the cancer clinicopathological characteristics and the key molecules such as β-catenin and Wnt inhibitory factor 1 (WIF1). In this study, β-catenin and WIF1 expression were analyzed by immunohistochemistry for 196 patients with CC, 39 with cervical intraepithelial neoplasia (CIN), and 41 with normal cervical epithelium (NCE). Significant overexpression of β-catenin was detected in CC (67...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27638711/carotenoids-biochemistry-pharmacology-and-treatment
#13
REVIEW
Alireza Milani, Marzieh Basirnejad, Sepideh Shahbazi, Azam Bolhassani
Carotenoids and retinoids have several similar biological activities such as antioxidant properties, the inhibition of malignant tumour growth and the induction of apoptosis. Supplementation with carotenoids can affect cell growth and modulate gene expression and immune responses. Epidemiological studies have shown a correlation between a high carotenoid intake in the diet with a reduced risk of breast, cervical, ovarian, colorectal cancers, and cardiovascular and eye diseases. Cancer chemoprevention by dietary carotenoids involves several mechanisms, including effects on gap junctional intercellular communication, growth factor signalling, cell cycle progression, differentiation-related proteins, retinoid-like receptors, antioxidant response element, nuclear receptors, AP-1 transcriptional complex, the Wnt/β-catenin pathway and inflammatory cytokines...
June 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27597870/cancer-stem-cells-and-radioresistance-rho-rock-pathway-plea-attention
#14
REVIEW
Annapurna Pranatharthi, Cecil Ross, Sweta Srivastava
Radiation is the most potent mode of cancer therapy; however, resistance to radiation therapy results in tumor relapse and subsequent fatality. The cancer stem cell (CSC), which has better DNA repair capability, has been shown to contribute to tumor resistance and is an important target for treatment. Signaling molecules such as Notch, Wnt, and DNA repair pathways regulate molecular mechanisms in CSCs; however, none of them have been translated into therapeutic targets. The RhoGTPases and their effector ROCK-signaling pathway, though important for tumor progression, have not been well studied in the context of radioresistance...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27577083/prognostic-impact-of-the-expression-of-wnt-signaling-proteins-in-cervical-carcinoma-figo-stage-i-iv-treated-with-radiotherapy-or-chemoradiotherapy
#15
Louise Bohr Mordhorst, Cecilia Ahlin, Bengt Sorbe
Wnt signaling proteins were assessed in patients with primary cervical carcinomas who received chemoradiation. The associations between three Wnt signaling proteins and prognosis were assessed. Specimens from 122 patients with cervical carcinomas (FIGO stage I-IV) were immunohistochemically (IHC) analyzed for β-catenin, APC and axin protein expression. Associations between these Wnt-protein expressions, clinicopathological factors, and clinical outcome data were examined.Positive IHC staining for the β-catenin protein (cell-membranes, cytoplasm and nuclei) was recorded in 88%, 58% and 5%, respectively...
September 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/27568288/karyopherin%C3%AE-1-regulates-proliferation-of-human-glioma-cells-via-wnt-%C3%AE-catenin-pathway
#16
Ting Lu, Zhen Bao, Yunfeng Wang, Lixiang Yang, Bing Lu, Ke Yan, Shaozhen Wang, He Wei, Zhe Zhang, Gang Cui
Karyopherinβ1 (KPNB1), one of the cytosolic factors involved in the selective protein transport across nucleus, docked at nuclear pore complex and transported through nuclear envelope in an ATP-dependent style, assisting proteins to be recognized as import substrates. It has been reported to be bound up with the origination and progress of lung cancer, cervical cancer, head and neck cancer and hepatocellular carcinoma. In current study, we demonstrated for the first time that the role of KPNB1 in human glioma...
September 23, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27353727/malat1-induces-tongue-cancer-cells-emt-and-inhibits-apoptosis-through-wnt-%C3%AE-catenin-signaling-pathway
#17
Jun Liang, Lizhong Liang, Kexiong Ouyang, Zhiqiang Li, Xianping Yi
BACKGROUND: MALAT1 is recognized as an oncogenic lncRNA in various malignancies. However, its expression and function in oral tongue squamous cell carcinoma are still unknown. This study aims to investigate the expression and function of MALAT1 in TSCC tissues and cells. MATERIALS AND METHODS: qPCR was performed to detect the expression of MALAT1. MALAT1 was suppressed and upregulated by plasmid transfection in TSCC cells, and then cell migration, invasion, EMT, and apoptosis were analyzed...
February 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/27334754/antagonizing-canonical-wnt-signaling-pathway-by-recombinant-human-sfrp4-purified-from-e-coli-and-its-implications-in-cancer-therapy
#18
Archita Ghoshal, Siddhartha Sankar Ghosh
The Wnt signaling pathway plays a predominant role in aberrant proliferation in myriad of cancers. In non-cancerous cells, Wnts are blocked by the secreted frizzled-related proteins (sFRPs) that are generally downregulated in cancer cells. We have purified and characterized bacterially expressed glutathione S-transferase-tagged SFRP4 from a novel clone generated from human cell origin. Cervical cancer (HeLa) and lung cancer (A549) cells, in which Wnt and associated genes were found to be expressed, were treated with the purified recombinant sFRP4, which revealed a significant dose-dependent cell growth inhibition up to 40 %...
July 2016: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/27323817/the-long-non-coding-rna-hotair-increases-tumour-growth-and-invasion-in-cervical-cancer-by-targeting-the-notch-pathway
#19
Maria Lee, Hee Jung Kim, Sang Wun Kim, Sun-Ae Park, Kyung-Hee Chun, Nam Hoon Cho, Yong Sang Song, Young Tae Kim
Evidence suggests that the long non-coding RNA (lncRNA), HOTAIR, is involved in cervical cancer pathogenesis. We examined serum HOTAIR expression levels in cervical cancer patients and determined the relationships between HOTAIR expression and several clinicopathological factors, including survival. We also examined the functional consequences of HOTAIR overexpression both in vitro and in vivo. Compared with control patients, HOTAIR expression was significantly greater in the serum of cervical cancer patients (P < 0...
July 12, 2016: Oncotarget
https://www.readbyqxmd.com/read/27181358/microrna-328-inhibits-cervical-cancer-cell-proliferation-and-tumorigenesis-by-targeting-tcf7l2
#20
Xuan Wang, Ying Xia
microRNAs (miRNAs) play a vital role in tumor development and progression. In this study, we aimed to determine the expression and biological roles of miR-328 in cervical cancer and identify its direct target gene. Our data showed that miR-328 was significantly downregulated in human cervical cancer tissues and cells. Re-expression of miR-328 inhibited cervical cancer cell proliferation and colony formation in vitro and suppressed the growth of xenograft tumors in vivo. Bioinformatic analysis predicted TCF7L2 (an essential effector of canonical Wnt signaling) as a target gene of miR-328, which was confirmed by luciferase reporter assays...
June 24, 2016: Biochemical and Biophysical Research Communications
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