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https://www.readbyqxmd.com/read/28735439/surgical-management-of-periocular-cancers-high-and-low-risk-features-drive-treatment
#1
REVIEW
Richard C Allen
PURPOSE OF REVIEW: Recent advances in the treatment of eyelid tumors have centered on the excision, evaluation of margins, role of sentinel lymph node biopsy, and adjunctive/adjuvant systemic and radiation therapy. The purpose of this review is to elaborate on these advances. RECENT FINDINGS: Mohs excision of basal cell carcinoma and squamous cell carcinoma continues to provide the greatest success in complete excision of the cancer, especially in those cases of high-risk disease including medial canthal location and recurrent disease...
September 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28734931/piperlongumine-inhibits-tgf-%C3%AE-induced-epithelial-to-mesenchymal-transition-by-modulating-the-expression-of-e-cadherin-snail1-and-twist1
#2
Min-Ju Park, Da-Eun Lee, Man Kyu Shim, Eun Hyang Jang, Jong Kil Lee, Seo Young Jeong, Jong-Ho Kim
Cancer is a life-threatening disease, and the occurrence of metastasis, which increases the lethality of primary tumors, is increasing. The epithelial-to-mesenchymal transition (EMT) is a biological process by which epithelial cells lose cell-cell adhesion properties and acquire mesenchymal properties, including motility and invasiveness. EMT is considered an early stage of metastasis; therefore, inhibiting EMT may be an effective anticancer therapy. In the present study, the antimetastatic effect of piperlongumine (PL) was assessed in human cancer cells...
July 19, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28734865/single-factors-alone-can-induce-mesenchymal-like-morphology-but-not-promote-full-emt-in-breast-cancer-cell-lines-with-different-hormone-statuses
#3
Maria K Tveitarås, Inga Reigstad, Lina Leiss, Rolf K Reed, Linda Stuhr
BACKGROUND: Epithelial to mesenchymal transition (EMT) is considered to be important for cancer invasion and metastasis. Tumour hypoxia, in addition to Transforming Growth Factor-β (TGF-β) and Notch, amongst others, have been suggested to be involved in EMT. We therefore investigated if hypoxia, TGF-β1 and the Notch ligand Jagged-1 alone induced morphological changes with corresponding EMT signatures in different epithelial breast cancer cell lines in vitro. Furthermore, we also studied whether or not TGF-β1, or Jagged-1 in combination with hypoxia added any effect on EMT...
July 19, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28734227/continuous-delivery-of-neutralizing-antibodies-elevate-ccl2-levels-in-mice-bearing-mcf10ca1d-breast-tumor-xenografts
#4
Min Yao, Curtis Smart, Qingting Hu, Nikki Cheng
Chemokines are small soluble molecules that play critical roles in wound healing, infection, and cancer progression. In particular, overexpression of the C-C motif chemokine ligand 2 (CCL2) in multiple cancer types correlates with poor patient prognosis. Animal studies have shown that CCL2 signals to macrophages and breast cancer cells to promote tumor growth, invasion, and metastasis, indicating that CCL2 is a promising therapeutic target. However, the effectiveness of human-specific neutralizing antibodies has not been fully evaluated...
July 19, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28733706/phage-display-selection-in-vitro-characterization-and-correlative-pet-imaging-of-a-novel-her3-peptide
#5
Benjamin M Larimer, Nicholas Phelan, Eric Wehrenberg-Klee, Umar Mahmood
PURPOSE: HER3 (ERBB3) is a receptor tyrosine kinase that is implicated in treatment resistance across multiple cancers, including those of the breast, lung, and prostate. Overexpression of HER3 following targeted therapy can occur rapidly and heterogeneously both within a single lesion and across sites of metastasis, making protein quantification by biopsy highly challenging. A global, non-invasive methodology such as positron emission tomography (PET) imaging can permit serial quantification of HER3, providing a useful approach to monitor HER3 expression across the entire tumor burden both prior to and following treatment...
July 21, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28733702/anti-invasive-effects-of-cxcr4-and-fak-inhibitors-in-non-small-cell-lung-carcinomas-with-mutually-inactivated-p53-and-pten-tumor-suppressors
#6
Miodrag Dragoj, Jasna Bankovic, Evangelia Sereti, Sofija Jovanovic Stojanov, Konstantinos Dimas, Milica Pesic, Tijana Stankovic
Non-small cell lung carcinoma (NSCLC) is the most common type of lung cancer. At the time of diagnosis, a large percentage of NSCLC patients have already developed metastasis, responsible for extremely high mortality rates. CXCR4 receptor and focal adhesion kinase (FAK) are known to regulate such invasive cancer behavior. Their expression is downregulated by p53 and PTEN tumor suppressors which are commonly co-inactivated in NSCLC patients and contribute to metastasis. Therefore, targeting CXCR4 or FAK seems to be a promising strategy in suppressing metastatic spread of p53/PTEN deficient NSCLCs...
July 22, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28733557/down-regulation-of-lincrna-p21-contributes-to-gastric-cancer-development-through-hippo-independent-activation-of-yap
#7
Ying Chen, Guoqing Wei, Hongwei Xia, Huangfei Yu, Qiuling Tang, Feng Bi
Long intergenic non-coding RNA p21 (lincRNA-p21), known as the direct transcriptional target of p53, was found down-regulated in several human solid tumors. However, little is known about the role of lincRNA-p21 in gastric cancer. The expression levels of lincRNA-p21 in tissue samples and cell lines were detected by qRT-PCR. MGC-803 and MKN-45 cells were transfected with siRNAs targeting lincRNA-p21 or control siRNAs to determine the effect of reduced lincRNA-p21 expression on tumorigenesis. We also overexpressed lincRNA-p21 in MGC-803 cells...
July 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733554/mir-217-inhibits-laryngeal-cancer-metastasis-by-repressing-aeg-1-and-pd-l1-expression
#8
Susheng Miao, Xionghui Mao, Shu Zhao, Kaibin Song, Cheng Xiang, Yuanjing Lv, Huanyv Jiang, Lei Wang, Baojun Li, Xianguang Yang, Zhennan Yuan, Cheng Xiu, Hongxue Meng, Ji Sun
High incidences of laryngeal cancer have been reported recently. Increasing our understanding of the molecular mechanisms underlying this malignancy could reveal more effective approaches to treating laryngeal cancer patients and so improve their prognoses. In this study, we explored the biological effects of miR-217 on laryngeal cancer. miR-217 potently inhibited multiple metastatic traits, including cell migration, invasion, proliferation, apoptosis, and EMT, as well as angiogensis. These effects were achieved through downregulation of the miR-217 target gene, AEG-1 and PD-L1...
July 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733543/the-role-of-adrenomedullin-in-the-pathogenesis-of-gastric-cancer
#9
Fuhao Qiao, Jian Fang, Jinfeng Xu, Wenqiu Zhao, Ying Ni, Bufugdi Andreas Akuo, Wei Zhang, Yun Liu, Fangfang Ding, Guanlin Li, Baoguo Liu, Hua Wang, Shihe Shao
Adrenomedullin has been shown to be overexpressed in many tumors, including gastric cancer tumors; however, its mechanism of action remains unclear. In this study, we examined the role of adrenomedullin in the pathogenesis of gastric cancer. Using clinical specimens and immunohistochemistry, we found that the expression levels of adrenomedullin and its receptors are inordinately elevated as compared to the adjacent non-tumor gastric tissues. We used siRNA gene silencing, in BGC-823 gastric cancer cell lines, to target adrenomedullin genes, and found that increased adrenomedullin expression results in the proliferation of tumor cells, tumor invasion, and metastasis...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733537/depdc1-is-required-for-cell-cycle-progression-and-motility-in-nasopharyngeal-carcinoma
#10
Xuefei Feng, Chundong Zhang, Ling Zhu, Lian Zhang, Hongxia Li, Longxia He, Yan Mi, Yitao Wang, Jiang Zhu, Youquan Bu
DEP domain containing 1 (DEPDC1) is a newly identified cancer-related and cell cycle related gene and has been demonstrated as a novel therapeutic target for bladder cancer. However, the functional involvement and therapeutic potential of DEPDC1 in nasopharyngeal carcinoma (NPC) remains unclear. Our results showed that DEPDC1 was overexpressed at both mRNA and protein levels in NPC tissues compared with normal or non-tumor tissues. The siRNA-mediated DEPDC1 depletion resulted in significant inhibition of proliferation and delay in cell cycle progression in both NPC cell lines, CNE-1 and HNE-1...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733521/overexpression-of-chd1l-is-associated-with-poor-survival-and-aggressive-tumor-biology-in-esophageal-carcinoma
#11
Ze-Han Liu, Qi Zhang, Yi-Jie Ding, Ying-Hui Ren, Hui-Peng Yang, Qing Xi, Ying-Nan Cheng, Guo-Lin Miao, Hong-Kun Liu, Cai-Xia Li, Wen-Qiang Yan, Yan Li, Zhenyi Xue, Lijuan Zhang, Xin-Ye Li, Chen-Long Zhao, Yurong Da, Xian-Zhong Wu, Jun-Qiang Chen, Rongxin Zhang, Zhi-Gang Li
Esophageal carcinoma (EC) is a malignancy with high metastatic potential. Chromosomal helicase/ATPase DNA binding protein 1-like (CHD1L) gene is a newly identified oncogene located at Chr1q21, and it is amplified in many solid tumors. However, the status of CHD1L protein expression in EC and its clinical significance is uncertain. This study was designed to investigate the significance of CHD1L expression in human EC and its biological function in EC cells. The expression of CHD1L was examined by immunohistochemistry in 191 surgically resected ECs...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733251/rna-binding-protein-raly-promotes-protein-arginine-methyltransferase-1-alternatively-spliced-isoform-v2-relative-expression-and-metastatic-potential-in-breast-cancer-cells
#12
Emma Bondy-Chorney, R Mitchell Baldwin, Andréanne Didillon, Benoît Chabot, Bernard J Jasmin, Jocelyn Côté
Aberrant expression of Protein Arginine Methyltransferases (PRMTs) has been observed in several cancer types, including breast cancer. We previously reported that the PRMT1v2 isoform, which is generated through inclusion of alternative exon 2, is overexpressed in breast cancer cells and promotes their invasiveness. However, the precise mechanism by which expression of this isoform is controlled and how it is dysregulated in breast cancer remains unknown. Using a custom RNA interference-based screen, we identified several RNA binding proteins (RBP) which, when knocked down, altered the relative abundance of the alternatively spliced PRMT1v2 isoform...
July 18, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28732393/microrna-30a-suppresses-tumor-progression-by-blocking-ras-raf-mek-erk-signaling-pathway-in-hepatocellular-carcinoma
#13
Kun Zhou, Xiaoyu Luo, Yu Wang, Dachun Cao, Gang Sun
Emerging reports suggest microRNAs (miRNAs) play a vital role in the progression of malignant tumors. MiR-30a is downregulated in a variety of cancers and acts as a tumor suppressing gene. However, the molecular mechanisms of miRNA-30a in hepatocellular carcinoma (HCC) are still unclear. Hereby, in this study, we detected that miR-30a expression was significantly down-regulated in both HCC tissues compared with adjacent non-cancerous liver tissues, and we also observed that miR-30a expression was lower in HCC cell lines than that of normal controls...
July 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28732387/the-micrornas-mir-200b-3p-and-mir-429-5p-target-the-limk1-cfl1-pathway-to-inhibit-growth-and-motility-of-breast-cancer-cells
#14
Dengfeng Li, Hong Wang, Hongming Song, Hui Xu, Bingkun Zhao, Chenyang Wu, Jiashu Hu, Tianqi Wu, Dan Xie, Junyong Zhao, Qiang Shen, Lin Fang
Triple-negative breast cancer (TNBC) has the worst prognosis of all subtypes of breast cancer (BC), with limited options for conventional therapy and no targeted therapies. MicroRNAs (miRNAs) are small noncoding RNAs that negatively regulate gene expression. In this study, we aimed to determine whether two members of the miR-200 family, miR-200b-3p and miR-429-5p, are involved in BC cell proliferation and motility and to elucidate their target genes and pathways. We performed a meta-analysis that reveals down-regulated expression of miR-200b-3p and miR-429-5p in BC tissues and cell lines, consistent with a lower expression of miR-200b-3p and miR-429-5p in MDA-MB-231 and HCC1937 cells than in MCF-7 and MCF-10 cells...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732375/prognostic-role-of-long-noncoding-rna-zfas1-in-cancer-patients-a-systematic-review-and-meta-analysis
#15
Tian Lan, Xiong Lan, Guangcai Li, Zhen Zheng, Minghua Zhang, Faxiang Qin
Long noncoding RNA ZFAS1 has been identified as a crucial role in the tumorigenesis of malignant tumors. Numerous studies reported that the expression levels of ZFAS1 in tumor tissues were dramatically higher than that in adjacent normal tissues. We conducted a meta-analysis to investigate the correlation between ZFAS1 expression and clinical outcomes of cancer patients. The databases of PubMed, EMBASE, Web of Science, Cochrane Library, CNKI and WanFang were retrieved for eligible studies. A total of 841 patients from 9 studies were eventually included...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732351/tropomyosin-isoform-tpm2-1-regulates-collective-and-amoeboid-cell-migration-and-cell-aggregation-in-breast-epithelial-cells
#16
HyeRim Shin, Dayoung Kim, David M Helfman
Metastasis dissemination is the result of various processes including cell migration and cell aggregation. These processes involve alterations in the expression and organization of cytoskeletal and adhesion proteins in tumor cells. Alterations in actin filaments and their binding partners are known to be key players in metastasis. Downregulation of specific tropomyosin (Tpm) isoforms is a common characteristic of transformed cells. In this study, we examined the role of Tpm2.1 in non-transformed MCF10A breast epithelial cells in cell migration and cell aggregation, because this isoform is downregulated in primary and metastatic breast cancer as well as various breast cancer cell lines...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732326/therapeutic-applications-of-histone-deacetylase-inhibitors-in-sarcoma
#17
REVIEW
Fan Tang, Edwin Choy, Chongqi Tu, Francis Hornicek, Zhenfeng Duan
Sarcomas are a rare group of malignant tumors originating from mesenchymal stem cells. Surgery, radiation and chemotherapy are currently the only standard treatments for sarcoma. However, their response rates to chemotherapy are quite low. Toxic side effects and multi-drug chemoresistance make treatment even more challenging. Therefore, better drugs to treat sarcomas are needed. Histone deacetylase inhibitors (HDAC inhibitors, HDACi, HDIs) are epigenetic modifying agents that can inhibit sarcoma growth in vitro and in vivo through a variety of pathways, including inducing tumor cell apoptosis, causing cell cycle arrest, impairing tumor invasion and preventing metastasis...
July 6, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28731991/endoscopic-prediction-of-tumor-invasion-depth-in-early-gastric-neoplasia-a-prospective-study-in-peru
#18
Fernando Palacios Salas, Estefanía Liza Baca
INTRODUCTION: Endoscopic resection is the first option treatment of early gastric cancer with invasion to mucosa or superficial submucosa, because the risk of nodal metastasis is negligible. Then the prediction of tumor invasion is cardinal. OBJECTIVES: Determine the accuracy of endoscopic prediction for tumor invasion depth in early gastric neoplasia and define endoscopic characteristics associated with massive submucosal invasion. MATERIALS AND METHODS: Prospective sudy of diagnostic test validation...
April 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/28731781/lncrna-pvt1-facilitates-invasion-through-upregulation-of-mmp9-in-nonsmall-cell-lung-cancer-cell
#19
Wei Chen, Huayun Zhu, Li Yin, Tingting Wang, Jianfeng Wu, Jianhua Xu, Hua Tao, Juying Liu, Xia He
Lung cancer is the most common solid tumor around the world. It has been reported that upregulation of long noncoding RNA (lncRNA) plasmacytoma variant translocation 1 (lncRNA-PVT1) is closely associated with tumor metastasis. However, the function and underlying molecular mechanism of lncRNA-PVT1 in nonsmall cell lung cancer (NSCLC) invasion remain unknown. In this study, we found that overexpression of lncRNA-PVT1 promoted the invasive ability of NSCLC cells, whereas silence of lncRNA-PVT1 suppressed cell invasion...
July 21, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28731194/smurf1-promotes-the-proliferation-migration-and-invasion-of-gastric-cancer-cells
#20
Youmao Tao, Caixia Sun, Tao Zhang, Yan Song
Smad ubiquitin regulatory factor 1 (SMURF1), a well-known E3 ubiquitin ligase, targets substrate proteins for ubiquitination and proteasomal degradation. Accumulating studies have shown that SMURF1 acts as an oncogenic factor in human malignancies. However, the clinical significance of SMURF1 and its role in gastric cancer (GC) remain unclear. The expression of SMURF1 was detected in 68 cases of GC and corresponding tumor-adjacent specimens. Our results revealed that SMURF1 was prominently overexpressed in GC specimens compared to corresponding tumor-adjacent tissues...
July 17, 2017: Oncology Reports
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