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Elizabeth A Simonik, Ying Cai, Katherine N Kimmelshue, Dana M Brantley-Sieders, Holli A Loomans, Claudia D Andl, Grant M Westlake, Victoria M Youngblood, Jin Chen, Wendell G Yarbrough, Brandee T Brown, Lalitha Nagarajan, Stephen J Brandt
Squamous cell carcinoma of the head and neck (HNSCC) accounts for more than 300,000 deaths worldwide per year as a consequence of tumor cell invasion of adjacent structures or metastasis. LIM-only protein 4 (LMO4) and LIM-domain binding protein 1 (LDB1), two directly interacting transcriptional adaptors that have important roles in normal epithelial cell differentiation, have been associated with increased metastasis, decreased differentiation, and shortened survival in carcinoma of the breast. Here, we implicate two LDB1-binding proteins, single-stranded binding protein 2 (SSBP2) and 3 (SSBP3), in controlling LMO4 and LDB1 protein abundance in HNSCC and in regulating specific tumor cell functions in this disease...
2016: PloS One
Li Chen, Liang Luo, Wei Chen, Hong-Xu Xu, Fan Chen, Lian-Zhou Chen, Wen-Tao Zeng, Jing-Song Chen, Xiao-Hui Huang
MicroRNA-24 (miR-24), a member of the miRNA family, functions as an oncogene in various types of human cancer. However, the underlying mechanisms of miR-24 involvement in the development and progression of hepatocellular carcinoma (HCC) remain poorly understood. The present study revealed that miRNA-24 down-regulates p53 through binding to the 3'-UTR of p53 mRNA based on a luciferase reporter assay, and that the expression level of miR-24 could affect the invasion of HCC lines via p53. Down-regulation of p53 significantly attenuated the inhibitory effects of miR-24 knockdown on the invasion of HCC cells, suggesting that miR-24 could be a potential target for HCC treatment...
October 22, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Valentina Bonev, Carlos Chavez De Paz Villanueva, Naveenraj Solomon, Maheswari Senthil, Mark E Reeves, Carlos Garberoglio, Sharon S Lum
When ductal carcinoma in situ (DCIS) is found on core needle biopsy, rates of upgrade to invasive cancer of 25 per cent and nodal positivity of 10 per cent have been reported. Sentinel lymph node dissection (SLND) is recommended when mastectomy is performed for DCIS. We investigated the role of SLND in DCIS patients undergoing partial and total mastectomy (TM). During the study period 2004 to 2013, 170 patients with DCIS were identified with a median age of 60 years (range 26-84 years). Of these, 58.2 per cent had partial mastectomy (PM) alone, 10...
October 2016: American Surgeon
Jun Ye, Wei Chen, Zhi-Yong Wu, Jin-Hui Zhang, He Fei, Li-Wen Zhang, Ya-Hui Wang, Ya-Ping Chen, Xiao-Mei Yang
Epithelial ovarian cancer (EOC) is the major cause of deaths from gynecologic malignancies, and metastasis is the main cause of cancer related death. Collagen triple helix repeat containing-1 (CTHRC1) is a secreted protein that has the ability to inhibit collagen matrix synthesis. In this study, we found that high CTHRC1 expression was associated with poor prognosis of EOC. In vitro experiments showed that CTHRC1 promoted migration and invasion of ovarian cancer cells. CTHRC1 had no effect on ovarian cancer cells viability...
October 24, 2016: Oncology Reports
Weizhong Sheng, Yusheng Chen, Yuda Gong, Tiangeng Dong, Bo Zhang, Weidong Gao
Anaplastic thyroid carcinoma (ATC) is aggressive and lethal with extrathyroidal invasion, distant metastasis, and resistance to conventional therapies. Cancer stem cells (CSCs) are proposed to be responsible for high recurrence rate in ATC. MicroRNAs (miRNAs) have recently been found as an important class of cellular regulators of ATC carcinogenesis. Identification of CSC-related miRNAs and targets is therefore a priority for the development of new therapeutic paradigms. Patient-derived ATC cells were cultured in conditional media on poly-hema-treated dish...
October 25, 2016: Oncology Reports
Lin Wang, Peiwu Yu
p53 mutations in tumors can induce the loss of wild-type tumor-suppressing p53 function, which results in the increase in proliferation, migration and invasion ability in cancer cells. Studies have shown that the expression of p53 is regulated by several microRNAs (miRNAs). In the present study, we found that miR-300 and p53 were significantly increased in colorectal cancer (CRC) tissues when compared with levels noted in adjacent colorectal tissues. Both miR-300 and p53 were significantly correlated with lymphatic metastasis and TNM stage...
October 21, 2016: Oncology Reports
Hong-Xia Cui, Honglan Wang, Yuchun Wang, Juan Song, Hua Tian, Chunhui Xia, Yetong Shen
Changes in the carbohydrate structure on the surface of tumor cells is an important feature of cancer metastasis. The specific role of sialic acids in the glycoconjugate terminal has not yet been clearly elucidated in these processes. Previously, we reported that α2,3-sialic acid residues in breast cancer are associated with metastatic potential. The α2,3-sialyltransferase ST3Gal III, which adds α2,3-sialic acids to glycoproteins, is overexpressed in various tumors, and enzyme activity is correlated with tumor metastasis, yet its mechanistic role has not been fully evaluated...
October 18, 2016: Oncology Reports
Mingjiang Liu, He Xiusheng, Xiangjun Xiao, Yichun Wang
Osteosarcoma (OS) is an aggressive malignant tumor that is mesenchymal in origin with a very low 5-year survival rate, particularly in the patients with locally advanced or metastatic tumors and recurrent disease. MicroRNAs (miRNAs) play a critical role in essential biological processes as cellular proliferation, differentiation and apoptosis in normal or cancer cells, including OS cells. In the present study, we aimed to investigate the role of miR-422a in OS. We demonstrated that miR-422a expression was significantly downregulated in OS tissues and cell lines compared with the normal controls...
October 19, 2016: Oncology Reports
Jie Li, He Huang, Yingguang Li, Li Li, Wenhui Hou, Zeshan You
Long non-coding RNA growth arrest-specific 5 (GAS5) was reported to be aberrantly expressed in various types of cancers. However, the role of GAS5 in the evolution and progression of ovarian cancer remains elusive. In the present study, we aimed to investigate the cellular function and clinical significance of GAS5 in ovarian cancer. GAS5 expression levels in 63 ovarian cancer tissues were detected by quantitative real-time PCR. Cell Counting Kit-8 (CCK-8) assay was performed to analyze the effect of GAS5 on cell proliferation...
October 24, 2016: Oncology Reports
Zhenhua Zhang, Li Liu, Chunliang Liu, Shousong Cao, Yizhun Zhu, Qibing Mei
Breast cancer is the second leading cause of cancer‑related deaths in female patients, and the main reasons are late diagnosis, limited therapeutic options and metastasis. Therefore, development of molecular therapeutic targets for breast cancer to suppress tumorigenesis, growth and metastasis may improve the therapeutic options and be of great benefit to patients. Tumor necrosis factor-α-induced protein 8-like 2 (TIPE2) is a novel molecule for maintaining immune homeostasis and is involved in cancer development...
October 21, 2016: Oncology Reports
Masafumi Takatsuna, Satoko Morohashi, Tadashi Yoshizawa, Hideaki Hirai, Toshihiro Haga, Rie Ota, Kensuke Saito, Yunyan Wu, Hiroko Seino, Yutaka Aoyagi, Shuji Terai, Hiroshi Kijima
Both the invasive growth types of colorectal cancer (CRC) and the number of myofibroblasts have been associated with histopathological factors such as lymph node and liver metastasis, and local recurrence. However, there are few studies, that have assessed the association between invasive growth type and myofibroblast distribution in CRC. We aimed to evaluate the relationship between the clinicopathological factors of CRC and two invasive growth types, the expanding and infiltrating types. We categorized 150 cases of pT3 CRC into the expanding and infiltrating types and measured the myofibroblast density of three histological layers: the submucosa (SM), the muscularis propria (MP) and the subserosa (SS)...
October 25, 2016: Oncology Reports
Yan Zhang, Jun Yuan, Xinli Zhang, Futang Yan, Minggang Huang, Tao Wang, Xiao Zheng, Ming Zhang
Colorectal cancer (CRC) is a leading cause of cancer-related deaths with an increasing incidence in China. The aberrant expression of angiomotin (AMOT) has been confirmed in a variety of tumors and can interact with Yes-associated protein (YAP) to either promote or suppress the progression of cancer. Unfortunately, its role in CRC remains poorly elucidated. Herein, higher levels of AMOT were observed in CRC cell lines. Upregulation of AMOT in LoVo cells markedly increased cell proliferation and apoptotic resistance to 5-fluorouracil...
October 21, 2016: Oncology Reports
Jing Zhang, Jin-Shui Zhu, Zhou Zhou, Wei-Xiong Chen, Ni-Wei Chen
Following the publication of this article, an interested reader drew to the attention of the Editorial Board that the above article appeared to contain a series of Figures that featured duplicated data. Following an internal investigation, the Editorial Board reached the conclusion that the allegations of the reader were well-founded. Specifically, the GAPDH bands shown in Figs. 2 and 3 are identical with those in Figs. 4C and 5D, with the exception that the images have been reversed. Furthermore, certain data in Fig...
October 19, 2016: Oncology Reports
Haishan Zhao, Hongtao Tang, Qinghuan Xiao, Miao He, Lin Zhao, Yingzi Fu, Huizhe Wu, Zhaojin Yu, Qian Jiang, Yuanyuan Yan, Feng Jin, Minjie Wei
Cancer stem cells (CSCs) have been suggested to serve an important role in tumor recurrence and metastasis in breast cancer. The hedgehog (Hh) signaling pathway is essential for the maintenance of breast CSCs. The present study used immunohistochemistry to investigate the expression of Patched (PTCH) and Gli1, which are the main components of the Hh signaling pathway, as well as the expression of cluster of differentiation (CD)44/CD24, which are markers for breast CSCs, in 266 patients with breast cancer. The combined expression of PTCH and Gli1 was significantly associated with larger tumors (>2...
October 19, 2016: Molecular Medicine Reports
Song Xu, Xiao-Ming Yi, Zheng-Yu Zhang, Jing-Ping Ge, Wen-Quan Zhou
MicroRNAs (miRNAs) are a class of small, well-conserved, non-coding RNAs that are increasingly identified as diagnostic and prognostic biomarkers in a number of cancers. Deregulated miR‑129 is closely associated with tumorigenesis and cancer progression. However, the potential role of miR‑129 in prostate cancer remains largely elusive. The present study investigated the role of miR‑129 as a prognostic biomarker for tumor progression and clinical prognosis in prostate cancer patients. The examined prostate cancer tissues exhibited a significant reduction in miR‑129 expression compared with the normal tissues (P=0...
October 19, 2016: Molecular Medicine Reports
Seung-Hyun Jeong, You-Jin Jeon, Sun Joo Park
Hypoxia-induced epithelial-mesenchymal transition (EMT) has been identified as essential for tumor progression and metastasis. The present study examined the effects of an antioxidant, dieckol, on hypoxia‑induced EMT in HT29 human colorectal cancer cells. HT29 cells were treated with a hypoxia‑inducing agent, CoCl2, and an increase in the levels of intracellular reactive oxygen species (ROS) and various morphological changes, such as loss of cell‑cell contact and aggressive cell migration were observed...
October 21, 2016: Molecular Medicine Reports
Shuxiang Yang, Yingchao Zhang, Xin Zhao, Jingzheng Wang, Jianjing Shang
The expression and functions of microRNA-361 (miR-361) have been studied in various human cancers. However, its expression and role in non‑small‑cell lung cancer (NSCLC) remains unclear. In the present study, the expression levels of miR‑361 in NSCLC tissues and cell lines were determined using reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR). In addition, the effect of miR‑361 on the proliferation, migration and invasion of NSCLC cells was assessed. Furthermore, a dual‑Luciferase reporter assay, RT‑qPCR and western blotting were performed to investigate whether miR‑361 directly targeted the 3' untranslated region of Wilms' tumor 1 (WT1)...
October 19, 2016: Molecular Medicine Reports
Minju Im, Aeyung Kim, Jin Yeul Ma
Gardeniae Fructus (GF, Zhi Zi in China), a fruit of Gardenia jasminoides Ellis, has been used in traditional medicine to reduce inflammation and headache and to treat hepatic disorders, hypertension, and icterus. In recent studies, extract of raw or stir-baked GF was shown to have pharmacological activities for viral infection, thrombosis, hyperlipidemia, convulsion, inflammation, oxidative stress, and others. In addition, baked GF extract suppressed the proteolytic activities and altered the cellular morphology of tumor cells...
October 20, 2016: International Journal of Oncology
Min Xu, Hailang Zhou, Chunli Zhang, Junbo He, Hong Wei, Meng Zhou, Ying Lu, Yaocheng Sun, Jerry Wanming Ding, Jian Zeng, Wanxin Peng, Fengyi Du, Aihua Gong
Although a disintegrin and metalloproteinase-17 (ADAM17) overexpression has been demonstrated in numerous human tumors including gastric cancer, its role in gastric cancer development remains to be clarified. In the present study, we identify that ADAM17 activates TGF-β/Smad signaling to promote epithelial-mesenchymal transition (EMT) in gastric cancer cells. We found that ADAM17 promotes proliferation, migration and invasion in gastric carcinoma cells. Subsequently, we revealed that silencing ADAM17 induces the expression of epithelial marker of E-cadherin and downregulates expression of mesenchymal markers including N-cadherin, vimentin and Snail in MGC803 and MKN45 cells, whereas ADAM17 overexpression reverses these changes in BGC823 and HGC27 cells...
October 21, 2016: International Journal of Oncology
Yusaku Osako, Naohiko Seki, Yoshiaki Kita, Keiichi Yonemori, Keiichi Koshizuka, Akira Kurozumi, Itaru Omoto, Ken Sasaki, Yasuto Uchikado, Hiroshi Kurahara, Kosei Maemura, Shoji Natsugoe
Esophageal squamous cell carcinoma (ESCC) is one of the most aggressive malignancies. Recently developed molecular targeted therapies are not available for patients with ESCC. After curative surgical resection, patients frequently suffer distant metastasis and recurrence. Exploration of novel ESCC metastatic pathways may lead to the development of new treatment protocols for this disease. Accordingly, we have sequentially identified microRNA (miRNA)-mediated metastatic pathways in several cancers. Our past studies of miRNA expression signatures have shown that microRNA-375 (miR-375) is frequently reduced in several types of cancers, including ESCC...
October 21, 2016: International Journal of Oncology
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