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Wnt and Cervical Cancer

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https://www.readbyqxmd.com/read/29783020/immune-modulation-of-a-novel-lipid-soluble-extract-of-pinellia-pedatisecta-schott-in-the-tumor-microenvironment-of-an-hpv-tumor-burdened-mouse-model
#1
Haixia Huang, Mingxing Zhang, Meng Zhang, Jing Peng, Guiling Li, Congjian Xu, Suiqi Gui
ETHNOPHARMACOLOGICAL RELEVANCE: Pinellia pedatisecta Schott extract (PE), a traditional Chinese medicine, has been used to reduce swelling, dry dampness and suppress cervical tumors. AIMS: To evaluate the roles of PE in the regulation of anti-tumor effects and the cellular immune response in the tumor microenvironment. METHODS: The immune microenvironment of HPV+ TC-1 tumors was examined by immunohistochemistry, real-time PCR and flow cytometry...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29706467/hpv-molecular-pathways-and-targets
#2
REVIEW
Shilpi Gupta, Prabhat Kumar, Bhudev C Das
Infection of high-risk human papillomaviruses (HPVs) is a prerequisite for the development of cervical carcinoma. HPV infections are also implicated in the development of other types of carcinomas. Chronic or persistent infection of HPV is essential but HPV alone is inadequate, additional endogenous or exogenous cues are needed along with HPV to induce cervical carcinogenesis. The strategies that high-risk HPVs have developed in differentiating epithelial cells to reach a DNA-synthesis competent state leading to tumorigenic transformation are basically due to overexpression of the E6 and E7 oncoproteins and the activation of diverse cellular regulatory or signaling pathways that are targeted by them...
April 5, 2018: Current Problems in Cancer
https://www.readbyqxmd.com/read/29675109/wnt-signaling-in-cervical-cancer
#3
REVIEW
Min Yang, Min Wang, Xianping Li, Yixin Xie, Xiaomeng Xia, Jingjing Tian, Kan Zhang, Aiguo Tang
Cervical cancer (CC) is the second most common malignant cancer in women. CC is difficult to diagnose, has a high recurrence rate, and is resistant to systemic therapies; as a result, CC patients have a relatively poor prognosis. One potential link to CC is the Wnt signaling pathway and its downstream effectors, which regulate cell differentiation, proliferation, migration, and fate. The aberrant activation of Wnt signaling is associated with various cancers, including CC. Recent studies have shown that activating or inhibiting the intracellular signal transduction in this pathway can regulate cancer cell growth and viability...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29673457/-mir-182-promotes-cell-proliferation-of-cervical-cancer-cells-by-targeting-adenomatous-polyposis-coli-apc-gene
#4
Pei Li, Jing Hu, Ying Zhang, Jianping Li, Yunzhi Dang, Rui Zhang, Lichun Wei, Mei Shi
Objective To investigate the role and mechanism of microRNA-182 (miR-182) in the proliferation of cervical cancer cells. Methods With liposome-mediated transient transfection method, the level of miR-182 in HeLa and SiHa cells was increased or decreased. CCK-8 assay and colony formation assay were used to observe the effect of miR-182 on the proliferation of cervical cancer cells. Using bioinformatics predictions, real-time quantitative PCR, and dual luciferase reporter assay, we clarified the role of miR-182 in posttranscriptional regulation of adenomatous polyposis coli (APC) gene and its effect on the downstream molecules (c-Myc and cyclin D1) of Wnt singling pathway...
February 2018: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/29663660/7-12-dimethylbenz-%C3%AE-anthracene-increases-cell-proliferation-and-invasion-through-induction-of-wnt-%C3%AE-catenin-signaling-and-emt-process
#5
Yeo-Jung Kwon, Dong-Jin Ye, Hyoung-Seok Baek, Young-Jin Chun
7,12-Dimethylbenz[α]anthracene (DMBA) is a hazardous component present in polluted environments. DMBA has been used as an experimental tool for in vivo tumor formation owing to its carcinogenic effects, but the detailed molecular mechanism of DMBA has not been fully established. To comprehend the carcinogenic mechanism of DMBA, we explored its effects in the breast cancer cell lines, MCF-7 and MDA-MB-231, and the cervical cancer cell line, HeLa. Cell viability assay and measurement of a proliferation marker showed that DMBA markedly increased cancer cell proliferation...
April 16, 2018: Environmental Toxicology
https://www.readbyqxmd.com/read/29516635/hmq-t-f2-exert-antitumour-effects-by-upregulation-of-axin-in-human-cervical-hela-cells
#6
Bingling Dai, Tianfeng Yang, Yujiao Ma, Nan Ma, Xianpeng Shi, Dongdong Zhang, Jie Zhang, Yanmin Zhang
Looking for novel, effective and less toxic therapies for cervical cancer is of significant importance. In this study, we reported that HMQ-T-F2(F2) significantly inhibited cell proliferation and transplantable tumour growth. Mechanistically, HMQ-T-F2 inhibited HeLa cell growth through repressing the expression and nuclear translocation of β-catenin, enhancing Axin expression, as well as downregulating the Wnt downstream targeted proteins. Knock-down of a checkpoint β-catenin by siRNA significantly attenuated HeLa cell proliferation...
May 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29497051/dax1-promotes-cervical-cancer-cell-growth-and-tumorigenicity-through-activation-of-wnt-%C3%AE-catenin-pathway-via-gsk3%C3%AE
#7
Xiao-Fang Liu, Xue-Yuan Li, Peng-Sheng Zheng, Wen-Ting Yang
DAX1 is well known for its fundamental role in several types of cancer, while its biological role in cervical cancer remains largely unexplored. The expression of DAX1 in cervical carcinoma tissue was examined using immunohistochemistry and western blot. The effects of DAX1 silencing on the cell growth, tumor formation, and CSC (cancer stem cell) characteristics were also investigated. DAX1 expressed a gradual increase from normal cervix to high-grade squamous intraepithelial lesions, and consequently to cervical cancer...
March 1, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29363722/therapeutic-effects-of-%C3%AE-elemene-via-attenuation-of-the-wnt-%C3%AE-catenin-signaling-pathway-in-cervical-cancer-cells
#8
Lufang Wang, Yanyan Zhao, Qiong Wu, Yifu Guan, Xin Wu
Concurrent radio chemotherapy treatment prolongs the survival rate of patients with advanced cervical cancer; however, it has adverse side‑effects. β‑elemene, an active component of the traditional Chinese medicinal herb Curcuma zedoaria, is a promising alternative therapeutic drug for the treatment of advanced cervical cancer. The aim of the present study was to investigate the antitumor effects of β‑elemene in human cervical cancer SiHa cells and to determine its underlying therapeutic molecular mechanisms...
March 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29231992/hcfu-inhibits-cervical-cancer-cells-growth-and-metastasis-by-inactivating-wnt-%C3%AE-catenin-pathway
#9
Ping Liu, Shuying Ma, Hua Liu, Huazhen Han, Shanshan Wang
BACKGROUND: 1-hexylcarbamoyl-5-fluorouracil (HCFU), also known as carmofur, is an effective chemotherapeutic agent applied to several cancers. This study was aimed to explore the functional effects of HCFU on cervical cancer cells and tried to uncover its possible mechanism. METHODS: Two immortalized cervical cancer cell lines (HeLa and Caski) and primary cervical cancer cells prepared from two cervical cancer patients were used in this study. Cell viability, apoptosis, colony formation, migration, invasion, and the expressions of cell growth- and metastasis-associated factors were respectively assessed following 0-1 µg/mL of HCFU treatment for 0-48 h...
December 12, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29181101/downregulation-of-nuclear-and-cytoplasmic-chibby-is-associated-with-advanced-cervical-cancer
#10
Ming-Chang Yang, Shang-Tao Chien, Tzu-Feng Yang, Shih-Yi Lin, Tai-Min Lee, Yi-Ren Hong
Chibby has been identified as a putative tumor suppressor and antagonist to β-catenin, thereby controlling the Wnt signaling pathway. Chibby is typically downregulated in numerous types of cancer and may be associated with tumorigenesis. The present study aimed at clarifying the following: i) Whether Chibby antagonizes β-catenin in cervical cancer; ii) whether Chibby and β-catenin mRNA expression is associated with cancer progression; and iii) whether Chibby and β-catenin expression may be used as a biomarker...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29115417/wnt-%C3%AE-%C3%A2-catenin-pathway-activation-and-silencing-of-the-apc-gene-in-hpv%C3%A2-positive-human-cervical-cancer%C3%A2-derived-cells
#11
Erick Ayala-Calvillo, Luis Humberto Mojica-Vázquez, Alejandro García-Carrancá, Leticia González-Maya
Although persistent infections with high‑risk human papilloma virus (HPV) constitute the most significant cofactor for the development of cervical cancer, they are insufficient on their own. Mutations or epigenetic inactivation of the tumor suppressor adenomatous polyposis coli (APC), the two acting as prominent oncogenic mechanisms in a number of types of cancer, are frequently associated with aberrant activation of the Wnt/β‑catenin pathway. According to these observations, it was hypothesized that APC alteration may lead to β‑catenin deregulation and the abnormal expression of direct targets of the Wnt pathway in HPV‑infected cervical cancer cells...
January 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29059232/leukemia-associated-gene-mlaa-34-reduces-arsenic-trioxide-induced-apoptosis-in-hela-cells-via-activation-of-the-wnt-%C3%AE-catenin-signaling-pathway
#12
Pengyu Zhang, Xuan Zhao, Wenjuan Zhang, Aili He, Bo Lei, Wanggang Zhang, Yinxia Chen
Our laboratory previously used the SEREX method in U937 cells and identified a novel leukemia-associated gene MLAA-34, a novel splice variant of CAB39L associated with acute monocytic leukemia, that exhibited anti-apoptotic activities in U937 cells. Whether MLAA-34 has an anti-apoptotic role in other tumor cells has not yet been reported. We explored whether MLAA-34 exhibited anti-apoptotic effects in HeLa cervical cancer cells and the possible mechanism of action. We generated a HeLa cell line stably expressing MLAA-34 and found that MLAA-34 overexpression had no effect on the growth, apoptosis and cell cycle of HeLa cells...
2017: PloS One
https://www.readbyqxmd.com/read/29048651/inhibitor-of-%C3%AE-catenin-and-tcf-icat-promotes-cervical-cancer-growth-and-metastasis-by-disrupting-e-cadherin-%C3%AE-catenin-complex
#13
Yayun Jiang, Wei Ren, Weijia Wang, Jing Xia, Liyao Gou, Mengyao Liu, Qun Wan, Lan Zhou, Yaguang Weng, Tongchuan He, Yan Zhang
The inhibitor of β-catenin and TCF (ICAT) blocks the binding of TCF to β-catenin and has been demonstrated as a suppressor of the Wnt/β-catenin signaling pathway. It has been reported to exert a different function around a wide variety of cancers. However, its function and underlying mechanisms in human cervical cancer remains unknown. In the present study, the expression of ICAT in 41 human cervical cancer tissues and 30 normal cervical tissues was evaluated by immunohistochemical analysis. ICAT was found highly expressed in cancer tissues...
November 2017: Oncology Reports
https://www.readbyqxmd.com/read/29029428/long-non-coding-rna-tug1-promotes-cervical-cancer-progression-by-regulating-the-mir-138-5p-sirt1-axis
#14
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 ...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29023799/mir-214-activates-tp53-but-suppresses-the-expression-of-rela-ctnnb1-and-stat3-in-human-cervical-and-colorectal-cancer-cells
#15
Karthik Subramanian Chandrasekaran, Anusha Sathyanarayanan, Devarajan Karunagaran
High Mobility Group AT-hook 1 (HMGA1) was identified as a target of miR-214 in human cervical and colorectal cancers (CaCx and CRC) in a previous study. While the expression of miR-214 remains suppressed, HMGA1 behaves as a potent oncogene and plays crucial roles in several aberrant signalling pathways by interacting with intermediates like RELA, CTNNB1, STAT3, and TP53 in CaCx and CRC. Hypothetically, miR-214 should be able to regulate the stabilization of some of these intermediates through the regulation of HMGA1...
October 2017: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/28978307/mir-216b-inhibits-cell-proliferation-by-targeting-foxm1-in-cervical-cancer-cells-and-is-associated-with-better-prognosis
#16
Shanyang He, Bing Liao, Yalan Deng, Chang Su, Jiuling Tuo, Jun Liu, Shuzhong Yao, Lin Xu
BACKGROUND: Our previous study showed FOXM1 expression was significantly up-regulated in cervical cancer, and was associated with poor prognosis. To clarify miRNAs-FOXM1 modulation pathways, in this study, we investigated the relationships between miR-216b and FOXM1 and the role of miR-216b in cell proliferation and prognosis of cervical cancer patients. METHODS: Western blotting and qPCR were used to determine expression of FOXM1, cell cycle related factors and miR-216b level...
October 4, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28978096/ccat-1-promotes-proliferation-and-inhibits-apoptosis-of-cervical-cancer-cells-via-the-wnt-signaling-pathway
#17
Jun Zhang, Yali Gao
Though the long noncoding RNA colon cancer associated transcript-1 (CCAT-1) has been shown to be involved in tumors of other tissues, its involvement in cervical cancer is still unknown. Therefore, the aim of this study was to investigate the molecular mechanism of CCAT-1 in cervical cancer. We quantified the expression of CCAT-1 long noncoding RNA in samples of cervical cancer tissue by real-time PCR. Effects of CCAT-1 expression on the proliferation and apoptosis of HeLa and CaSki cells were assessed by cell-count, colony-formation, and flow cytometry assays...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28977889/human-steroid-sulfatase-induces-wnt-%C3%AE-catenin-signaling-and-epithelial-mesenchymal-transition-by-upregulating-twist1-and-hif-1%C3%AE-in-human-prostate-and-cervical-cancer-cells
#18
Sangyun Shin, Hee-Jung Im, Yeo-Jung Kwon, Dong-Jin Ye, Hyoung-Seok Baek, Donghak Kim, Hyung-Kyoon Choi, Young-Jin Chun
Steroid sulfatase (STS) catalyzes the hydrolysis of estrone sulfate and dehydroepiandrosterone sulfate (DHEAS) to their unconjugated biologically active forms. Although STS is considered a therapeutic target for estrogen-dependent diseases, the cellular functions of STS remain unclear. We found that STS induces Wnt/β-catenin s Delete ignaling in PC-3 and HeLa cells. STS increases levels of β-catenin, phospho-β-catenin, and phospho-GSK3β. Enhanced translocation of β-catenin to the nucleus by STS might activate transcription of target genes such as cyclin D1, c-myc, and MMP-7...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28902356/mir-378-functions-as-an-onco-mirna-by-targeting-the-st7l-wnt-%C3%AE-catenin-pathway-in-cervical-cancer
#19
Shengjie Li, Fengxia Yang, Meiyan Wang, Wenjun Cao, Zhen Yang
Upregulation or downregulation of microRNAs (miRNAs) has been identified in human cervical cancer (CC). However, the character and function of miR-378 in CC remains unknown. In the present study, the authors demonstrated that miR-378 was upregulated in CC used the reverse transcriptase-quantitative polymerase chain reaction (RT-qPCR) assay, and promoted cell proliferation by accelerating the progress of cell cycle and repressing cell apoptosis in CC cells. The predicted target genes of miR-378 were determined by enhanced green fluorescent protein (EGFP) reporter assays, RT-qPCR assay and western blot analysis...
October 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28880275/lgr5-promotes-cancer-stem-cell-traits-and-chemoresistance-in-cervical-cancer
#20
Hao-Zhe Cao, Xiao-Fang Liu, Wen-Ting Yang, Qing Chen, Peng-Sheng Zheng
Cancer stem cells (CSCs), also known as tumor-initiating cells, contribute to tumorigenesis, resistance to chemoradiotherapy and recurrence in human cancers, suggesting targeting CSCs may represent a potential therapeutic strategy. Leucine-rich repeat-containing G-protein-coupled receptor 5 (LGR5) has recently been found to be a bona fide marker of colorectal CSCs. Our previous study showed that LGR5 functions as a tumor promoter in cervical cancer by activating the Wnt/β-catenin pathway. However, very little is known about the function or contribution of LGR5 to cervical CSCs...
September 7, 2017: Cell Death & Disease
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