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https://www.readbyqxmd.com/read/29344196/downregulated-expression-of-tshr-is-associated-with-distant-metastasis-in-thyroid-cancer
#1
Tianrun Liu, Qianqian Men, Xuan Su, Weichao Chen, Lan Zou, Qiuli Li, Ming Song, Dian Ouyang, Yanfeng Chen, Zhaoqu Li, Xiaoyan Fu, Ankui Yang
In differentiated thyroid cancer (DTC), the association between thyroid-stimulating hormone receptor (TSHR) and metastasis, and the underlying molecular mechanisms remain unclear. The role of TSHR in the epithelial-mesenchymal transition (EMT) has not yet been reported, to the best of our knowledge. In the present study, the role of TSHR in the distant metastasis of DTC was investigated. TSHR was significantly downregulated in well-differentiated thyroid cancer cells and tissues, and a lack of TSHR promoted thyroid cancer cell invasion and metastasis by inhibiting the EMT of thyroid cancer cells...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29341469/downregulation-of-csn6-attenuates-papillary-thyroid-carcinoma-progression-by-reducing-wnt-%C3%AE-catenin-signaling-and-sensitizes-cancer-cells-to-fh535-therapy
#2
Duo Wen, Tian Liao, Ben Ma, Ning Qu, Rong-Liang Shi, Zhong-Wu Lu, Yu-Long Wang, Wen-Jun Wei, Qing-Hai Ji
The incidence of thyroid cancer has increased worldwide at a rate higher than that of any other cancer. CSN6 is overexpressed in many types of cancers, and such expression is linked to oncogenic activity. However, the detailed biological functions of CSN6 in papillary thyroid cancer (PTC) have not been well characterized. We investigated CSN6 expression in PTC specimens and cell lines. We used short-hairpin RNA-mediated gene silencing to explore the biological effects of CSN6 depletion in PTC cells. The combined effects of CSN6 silencing and FH535 therapy were assessed in terms of cell viability...
January 17, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29331886/anti-cancer-effects-of-hnha-and-lenvatinib-by-the-suppression-of-emt-mediated-drug-resistance-in-cancer-stem-cells
#3
Yong Sang Lee, Seok-Mo Kim, Bup-Woo Kim, Ho Jin Chang, Soo Young Kim, Cheong Soo Park, Ki Cheong Park, Hang-Seok Chang
Anaplastic thyroid cancer (ATC) constitutes less than 2% of total thyroid cancers but accounts for 20-40% of thyroid cancer-related deaths. Cancer stem cell drug resistance represents a primary factor hindering treatment. This study aimed to develop targeted agents against thyroid malignancy, focusing on individual and synergistic effects of HNHA (histone deacetylase), lenvatinib (FGFR), and sorafenib (tyrosine kinase) inhibitors. Patients with biochemically and histologically proven papillary thyroid cancer (PTC) and ATC were included...
January 11, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29317480/mir-205-targets-angiogenesis-and-emt-concurrently-in-anaplastic-thyroid-carcinoma
#4
Haleh Vosgha, Armin Ariana, Robert Smith, Alfred Lam
The current study aims to evaluate for the first time the inhibitory roles of miR-205 in the pathogenesis of anaplastic thyroid carcinoma. In addition, we investigated the mechanisms by which miR-205 regulates angiogenesis and epithelial-to-mesenchymal transition (EMT) in cancer. Two anaplastic thyroid carcinoma cell lines were transfected with the expression vector pCMV-MIR-205. Selected markers of angiogenesis and EMT including vascular endothelial growth factor A (VEGF-A) and zinc-finger E-box-binding homeobox 1 (ZEB1) were investigated by Western blot...
January 9, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29316404/the-cxcl12-cxcr4-axis-promotes-migration-invasion-and-emt-in-human-papillary-thyroid-carcinoma-b-cpap-cells-via-nf-%C3%AE%C2%BAb-signaling
#5
Yuanqiang Lin, Qingjie Ma, Lin Li, Hui Wang
Papillary thyroid carcinoma (PTC) is the most common thyroid malignancy involving local and distant metastasis. It is known that CXC chemokine ligand 12 (CXCL12) interacts specifically with CXC chemokine receptor 4 (CXCR4) to guide the migration of PTC cells. However, the signaling pathway downstream of the CXCL12/CXCR4 axis in PTC is not fully understood. In the present study, high expression of CXCR4 was detected in 38 out of 82 PTC specimens, and the expression level of CXCR4 was significantly correlated with the stage of PTC...
January 9, 2018: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29280051/long-non-coding-rna-linc-ror-is-upregulated-in-papillary-thyroid-carcinoma
#6
Ranran Zhang, Heather Hardin, Wei Huang, Darya Buehler, Ricardo V Lloyd
Long non-coding RNAs (lncRNAs) may contribute to carcinogenesis and tumor progression by regulating transcription and gene expression. The role of lncRNAs in the regulation of thyroid cancer progression is being extensively examined. Here, we analyzed three lncRNAs that were overexpressed in papillary thyroid carcinomas, long intergenic non-protein coding RNA, regulator of reprogramming (Linc-ROR, ROR) PVT1 oncogene (PVT1), and HOX transcript antisense intergenic RNA (HOTAIR) to determine their roles in thyroid tumor development and progression...
December 26, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/29277502/tiam1-promotes-thyroid-carcinoma-metastasis-by-modulating-emt-via-wnt-%C3%AE-catenin-signaling
#7
Lin Liu, Bo Wu, Haidong Cai, Dan Li, Yushui Ma, Xuchao Zhu, Zhongwei Lv, Youben Fan, Xiaoping Zhang
Aberrant expression of the guanine nucleotide exchange factor Tiam1 is implicated in the invasive phenotype of many cancers. However, its involvement in thyroid carcinoma and downstream molecular events remains largely undefined. Here, we examined the effects of Tiam1 on the invasiveness and metastasis of thyroid carcinoma in vitro and in vivo and explored the underlying mechanisms by investigating the regulation of Tiam1 expression and the downstream pathways affected. Our results showed that Tiam1 knockdown inhibited the migratory and invasive capacity of thyroid cancer cells, suppressed epithelial-mesenchymal transition (EMT), and inhibited Wnt/β-catenin signaling in vitro...
December 22, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/29260382/the-interplay-between-epithelial-mesenchymal-transition-emt-and-the-thyroid-hormones-%C3%AE-v%C3%AE-3-axis-in-ovarian-cancer
#8
Chen Weingarten, Yonatan Jenudi, Rami Yair Tshuva, Dotan Moskovich, Adi Alfandari, Aleck Hercbergs, Paul J Davis, Martin Ellis, Osnat Ashur-Fabian
Ovarian cancer is a highly metastatic disease. The metastatic potential is enhanced by epithelial to mesenchymal transition (EMT) in which αvβ3 integrin plays a role. Thyroid hormones (L-thyroxine, T4, and 3,5,3'-triiodo-L-thyronine, T3) bind this integrin, and we hypothesized that the thyroid hormone-αvβ3 axis may be involved in EMT activity in ovarian cancer. The transcription (mRNA), protein abundance (westerns), and protein localization (fluorescence microscopy) of several EMT markers were studied in ovarian cancer cells (OVCAR-3, A2780, and SKOV-3) treated with 1 nM T3 or 100 nM T4 for 1-24 h...
December 19, 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/29250189/ddr2-facilitates-papillary-thyroid-carcinoma-epithelial-mesenchymal-transition-by-activating-erk2-snail1-pathway
#9
Zhong Liang, Wen-Jun Xie, Ming Zhao, Guo-Ping Cheng, Mei-Juan Wu
The upregulation of discoidin domain receptor tyrosine kinase 2 (DDR2) has been reported to be associated with poor prognosis and metastasis in numerous tumor types by inducing epithelial-mesenchymal transition (EMT); however, the expression profile of DDR2 in papillary thyroid carcinoma (PTC) with local metastasis and the effect of DDR2 on PTC cells remain unknown. The aim of the present study was to investigate the expression levels of DDR2 in tumor tissues of patients with PTC with local metastasis and cell lines and to determine the effect of DDR2 on EMT in PTC cells...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29185571/capsaicin-inhibits-the-metastasis-of-human-papillary-thyroid-carcinoma-bcpap-cells-through-the-modulation-of-the-trpv1-channel
#10
Shichen Xu, Li Zhang, Xian Cheng, Huixin Yu, Jiandong Bao, Rongrong Lu
Capsaicin (CAP), a potent transient receptor potential vanilloid type 1 (TRPV1) agonist, is a major ingredient of red pepper. Recently, capsaicin has attracted increasing attention owing to its multiple biological activities. However, the anticancer effects of capsaicin against various types of cancers, especially on thyroid carcinoma, have not been completely elucidated. TRPV1, which can be activated by capsaicin, plays a key role in many biological and physiological processes. In the present study, the anticancer properties of capsaicin against papillary thyroid cancer BCPAP cells were investigated...
November 29, 2017: Food & Function
https://www.readbyqxmd.com/read/29156750/somatic-mutations-in-cdh1-and-ctnnb1-in-primary-carcinomas-at-13-anatomic-sites
#11
Evan L Busch, Jason L Hornick, Renato Umeton, Adem Albayrak, Neal I Lindeman, Laura E MacConaill, Elizabeth P Garcia, Matthew Ducar, Timothy R Rebbeck
Metastases are involved in most cancer deaths. Evidence has suggested that cancer cell detachment from primary tumors might occur largely via the mechanism of epithelial-mesenchymal transition (EMT) activated by epigenetic events, but data addressing other possible triggers of detachment, particularly genetic mutations, have been limited. Using the Profile study of cancer genomics at Dana-Farber Cancer Institute, we examined somatic mutations in the EMT genes CDH1 in 5,106 primary carcinomas and CTNNB1 in 7,578 primary carcinomas across 13 anatomic sites: urinary bladder, breast, colon/rectum, endometrium, esophagus, kidney, lung, ovary, pancreas, prostate, skin (non-melanoma), stomach, and thyroid...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29112684/cxcr4-cxcr7-cxcl12-axis-promotes-an-invasive-phenotype-in-medullary-thyroid-carcinoma
#12
Thomas A Werner, Christina M Forster, Levent Dizdar, Pablo E Verde, Katharina Raba, Matthias Schott, Wolfram T Knoefel, Andreas Krieg
BACKGROUND: Medullary thyroid carcinoma (MTC) is a rare and challenging endocrine malignancy. Once spread, the therapeutic options are limited and the outcome poor. For these patients, the identification of new druggable biological markers is of great importance. Here, we investigated the prognostic and biological role of the C-X-C chemokine receptors type 4 and 7 (CXCR4/7) in MTC. METHODS: Eighty-six MTC and corresponding non-neoplastic thyroid specimens were immunohistochemically stained for CXCR4/7 using tissue microarray technology and expression levels correlated with clinicopathological variables...
November 7, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28965013/knockdown-of-trim44-inhibits-the-proliferation-and-invasion-in-papillary-thyroid-cancer-cells-through-suppressing-the-wnt-%C3%AE-catenin-signaling-pathway
#13
Zhenyu Zhou, Yang Liu, Mingde Ma, Liang Chang
Tripartite motif 44 (TRIM44), a member of the TRIM family, functions as a critical regulator in several types of malignancy. However, the role of TRIM44 in thyroid cancer has never been revealed. Thus, in this study, to explore its role in PTC, we detected its expression patterns in human papillary thyroid cancer (PTC) tissues and cell lines, and investigated its effects on cell proliferation and invasion. Our results demonstrated that TRIM44 was highly expressed in human PTC tissues and cell lines. In addition, silencing of TRIM44 significantly suppressed the proliferation, migration/invasion, and the epithelial-mesenchymal transition (EMT) process in PTC cells...
September 28, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28645161/lncrna-tug1-influences-papillary-thyroid-cancer-cell-proliferation-migration-and-emt-formation-through-targeting-mir-145
#14
Hongwei Lei, Yan Gao, Xiaoying Xu
LncRNA TUG1, a tumor oncogene associated with various human cancers, has been reported to be involved in regulating various cellular processes, such as proliferation, apoptosis and invasion through targeting multiple genes. However, its biological function in thyroid cancer cells has not been elucidated. The aim of this study is to measure TUG1 expression level and evaluate its function in thyroid cancer cells. LncRNA TUG1 expression levels in thyroid cancer tissues and three thyroid cancer cell lines (the ATC cell lines SW1736 and KAT18 and the FTC cell line FTC133) were assessed by qRT-PCR and compared with that of the human normal breast epithelial cell HGC-27...
July 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28551845/sostdc1-inhibits-follicular-thyroid-cancer-cell-proliferation-migration-and-emt-via-suppressing-pi3k-akt-and-mapk-erk-signaling-pathways
#15
Qinyi Zhou, Jun Chen, Jialin Feng, Yanan Xu, Wenjie Zheng, Jiadong Wang
The sclerostin domain containing protein 1 (SOSTDC1) is a cell signaling regulator involved in cell physiology and pathology. SOSTDC1 is known to have a suppressive effect on certain kinds of cancer. However, the role of SOSTDC1 in follicular thyroid cancer (FTC) remains unknown. We aimed to investigate if the expression of SOSTDC1 plays any roles in carcinogenesis and metastasis of FTC. We found a significantly down-regulated SOSTDC1 expression in follicular thyroid cancer samples. In addition, our data showed that ectopic expression of SOSTDC1 dramatically inhibited thyroid cancer cell proliferation in vitro and in nude mice...
May 27, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28544576/atypical-adenoma-of-the-thyroid-diagnosed-as-anaplastic-cancer-by-cytopathology
#16
Hiromitsu Hatakeyama, Kimiko Hoshino, Kenji Mizoguchi, Takayoshi Suzuki, Kanako C Hatanaka, Yukie Yamaya, Satoshi Kano, Takatsugu Mizumachi, Akihiro Homma
Atypical adenoma of the thyroid is a rare form of tumor, and its accurate diagnosis prior to surgical resection is difficult as the histological and pathological morphologies are very similar to those of anaplastic thyroid carcinoma (ATC), and its anaplastic transformation remains to be elucidated. We reported a case of a 75-year-old female with a thyroid isthmus nodule diagnosed repeatedly by FNAC as anaplastic carcinoma. Both the first and second FNAC specimen slides showed a large number of scattered or aggregated atypical cells consisting of large, pleomorphic nuclei with irregular membranes, chromatin clumps and prominent nucleoli...
May 22, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28474313/expression-of-hypoxia-associated-protein-hif-1%C3%AE-in-follicular-thyroid-cancer-is-associated-with-distant-metastasis
#17
Aumayr Klaus, Osmen Fathi, Traub-Weidinger Tatjana, Niederle Bruno, Koperek Oskar
Follicular thyroid carcinomas (FTCs) are the second most common malignant neoplasia of the thyroid and in general its prognosis is quite favorable. However, the occurrence of metastases or non-responsiveness to radioiodine therapy worsens the prognosis considerably. We evaluated immunohistochemically the expression of hypoxia-associated proteins by hypoxia-induced factor 1α (HIF-1α), the stroma-remodeling marker Tenascin C, as well as markers for the epithelial-mesenchymal transition (EMT), namely E-cadherin and slug in a series of 59 sporadic FTCs...
May 4, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28430585/foxd3-regulates-anaplastic-thyroid-cancer-progression
#18
Huabin Yin, Tong Meng, Lei Zhou, Feixing Zhao, Xiufang Li, Yundong Li, Mengjun Hu, Haiyan Chen, Dianwen Song
Anaplastic thyroid cancer (ATC) is an aggressive malignancy with poor prognosis. It was reported that Forkhead box D3 (FOXD3) transcription factor is associated with several cancers. We investigated its antitumorigenic role of ATC in this study. The ATC cell lines SW1736 and K18 exhibited lower FOXD3 expression than the Nthy-ori-3-1 normal thyroid cell line. FOXD3 downregulation in ATC cell lines promoted invasiveness and epithelial-to-mesenchymal transition (EMT) and decreased cellular apoptosis. FOXD3 silencing also enhanced p-ERK levels in the ATC cell lines, suggesting it negatively regulated MAPK/ERK signaling...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415590/multiple-anti-tumor-effects-of-reparixin-on-thyroid-cancer
#19
Federica Liotti, Maria De Pizzol, Marcello Allegretti, Nella Prevete, Rosa Marina Melillo
BACKGROUND: Expression of IL-8 and its receptors CXCR1 and CXCR2 is a common occurrence in human epithelial thyroid cancer (TC). In human TC samples, IL-8 expression is associated with tumor progression. IL-8 enhances proliferation, survival, motility, and leads to the maintenance of stemness features and tumor-initiating ability of TC cells. Here, we studied the effects of Reparixin (formerly Repertaxin), a small molecular weight CXCR1 and CXCR2 inhibitor, on the malignant phenotype of various TC cell lines...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28401024/inhibition-of-stat3-signaling-blocks-obesity-induced-mammary-hyperplasia-in-a-mouse-model
#20
Jeong Won Park, Li Zhao, Mark C Willingham, Sheue-Yann Cheng
Compelling epidemiologic evidence indicates that obesity is a risk factor for human cancers, including breast. However, molecular mechanisms by which obesity could contribute to the development of breast cancer remain unclear. To understand the impact of obesity on breast cancer development, we used a mutant mouse that expresses a mutated thyroid hormone receptor β (denoted as PV) with haplodeficiency of the Pten gene (Thrb(PV/PV)Pten(+/-) mice). We previously showed that adult nulliparous female Thrb(PV/PV)Pten(+/-) mice developed extensive mammary hyperplasia and breast tumors...
2017: American Journal of Cancer Research
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