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https://www.readbyqxmd.com/read/29216867/protein-kinase-c-%C3%AE-enhances-migration-of-breast-cancer-cells-through-foxc2-mediated-repression-of-p120-catenin
#1
Thao N D Pham, Bethany E Perez White, Huiping Zhao, Fariborz Mortazavi, Debra A Tonetti
BACKGROUND: Despite recent advances in the diagnosis and treatment of breast cancer, metastasis remains the main cause of death. Since migration of tumor cells is considered a prerequisite for tumor cell invasion and metastasis, a pressing goal in tumor biology has been to elucidate factors regulating their migratory activity. Protein kinase C alpha (PKCα) is a serine-threonine protein kinase implicated in cancer metastasis and associated with poor prognosis in breast cancer patients...
December 7, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29215048/high-dose-parenteral-ascorbate-inhibited-pancreatic-cancer-growth-and-metastasis-mechanisms-and-a-phase-i-iia-study
#2
Kishore Polireddy, Ruochen Dong, Gregory Reed, Jun Yu, Ping Chen, Stephen Williamson, Pierre-Christian Violet, Ziyan Pessetto, Andrew K Godwin, Fang Fan, Mark Levine, Jeanne A Drisko, Qi Chen
Pancreatic cancer is among the most lethal cancers with poorly tolerated treatments. There is increasing interest in using high-dose intravenous ascorbate (IVC) in treating this disease partially because of its low toxicity. IVC bypasses bioavailability barriers of oral ingestion, provides pharmacological concentrations in tissues, and exhibits selective cytotoxic effects in cancer cells through peroxide formation. Here, we further revealed its anti-pancreatic cancer mechanisms and conducted a phase I/IIa study to investigate pharmacokinetic interaction between IVC and gemcitabine...
December 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29200719/anti-cancer-effects-of-polyphenolic-compounds-in-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitor-resistant-non-small-cell-lung-cancer
#3
Hyungmin Jeong, Ai N H Phan, Jong-Whan Choi
Background: Polyphenolic phytochemicals are natural compounds, easily found in fruits and vegetables. Importantly, polyphenols have been intensively studied as excellent antioxidant activity which contributes to anticancer function of the natural compounds. Lung cancer has been reported to mainly account for cancer-related deaths in the world. Moreover, epidermal growth factor receptor tyrosine kinase inhibitor (TKI) resistance is one of the biggest issues in cancer treatment, especially in nonsmall cell lung cancer (NSCLC)...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29199885/emergency-medical-services-provider-experiences-of-hospice-care
#4
Cassandra Barnette Donnelly, Karen Andrea Armstrong, Molly M Perkins, Danielle Moulia, Tammie E Quest, Arthur H Yancey
BACKGROUND: Growing numbers of emergency medical services (EMS) providers respond to patients who receive hospice care. The objective of this investigation was to assess the knowledge, attitudes, and experiences of EMS providers in the care of patients enrolled in hospice care. METHODS: We conducted a survey study of EMS providers regarding hospice care. We collected quantitative and qualitative data on EMS provider's knowledge, attitudes, and experiences in responding to the care needs of patients in hospice care...
December 4, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/29197138/testicular-orphan-receptor-4-promotes-tumor-progression-and-implies-poor-survival-through-akt3-regulation-in-seminoma
#5
Yuanlei Chen, Jieyang Lu, Liqun Xia, Dingwei Xue, Xiaoming Yu, Danyang Shen, Liwei Xu, Gonghui Li
Seminoma is recognized as the most common testicular germ cell tumor which mainly occurs in the 15-35-year-old young men worldwide. Early studies have indicated that testicular nuclear receptor 4 (TR4) firstly cloned from testis is involved in the invasion and metastasis of several human tumors, however, little attention is paid to the function of TR4 in Seminoma. Our Immunohistochemical (IHC) staining results showed that patients who underwent advanced stage tended to higher expression of TR4. Importantly, there was a significant association between elevated TR4 expression and reduced Overall Survival in seminoma patients...
December 2, 2017: Cancer Science
https://www.readbyqxmd.com/read/29196101/mir-135b-5p-promotes-migration-invasion-and-emt-of-pancreatic-cancer-cells-by-targeting-nr3c2
#6
Zhengliang Zhang, Xiangming Che, Ni Yang, Zhenghai Bai, Yuan Wu, Li Zhao, Honghong Pei
The exact mechanisms of metastasis for pancreatic cancer remain to be uncovered. This study aimed to elucidate the potential functional mechanism of miR-135b-5p in migration, invasion and epithelial-to-mesenchymal transition (EMT) of pancreatic cancer cells. By real-time PCR and analysis of GEO database, we determined the up-regulated expression of miR-135b-5p in pancreatic cancer tissues and cell lines. Clinically, highly expressed miR-135b-5p was closely related to advanced TNM stage, more lymph node metastasis, more distant metastasis and worse overall survival (OS) and disease-free survival (DFS)...
November 28, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29192324/a-novel-mechanism-of-neovascularization-in-peritoneal-dissemination-via-cancer-associated-mesothelial-cells-affected-by-tgf-%C3%AE-derived-from-ovarian-cancer
#7
Kayo Fujikake, Hiroaki Kajiyama, Masato Yoshihara, Kimihiro Nishino, Nobuhisa Yoshikawa, Fumi Utsumi, Shiro Suzuki, Kaoru Niimi, Jun Sakata, Hiroko Mitsui, Kiyosumi Shibata, Takeshi Senga, Fumitaka Kikkawa
Epithelial ovarian cancer (EOC) is believed to cause peritoneum dissemination through microenvironmental cell‑to-cell communication between the tumor and mesothelium, leading to the further acquisition of progressive and metastatic potentials. In the present study, we aimed to determine the role of cancer-associated mesothelial cells (CAMCs) in the promotion of tumor neovascularization and vascular permeability via enhanced vascular endothelial growth factor (VEGF) production. We examined whether a characteristic morphological change in human peritoneal mesothelial cells (HPMCs) was observed in the presence of malignant ascites and tumor-derived TGF-β...
January 2018: Oncology Reports
https://www.readbyqxmd.com/read/29190911/acquisition-of-egfr-tki-resistance-and-emt-phenotype-is-linked-with-activation-of-igf1r-nf-%C3%AE%C2%BAb-pathway-in-egfr-mutant-nsclc
#8
Ling Li, Xiajing Gu, Jinnan Yue, Qingnan Zhao, Dacheng Lv, Hongzhuan Chen, Lu Xu
Epithelial-mesenchymal transition (EMT) is clinically associated with acquired resistance to epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKI) in non-small cell lung cancers (NSCLC). However, the mechanisms promoting EMT in EGFR TKI-resistant NSCLC have not been fully elucidated. Previous studies have suggested that IGF1R signaling is involved in both acquired EGFR TKI resistance in NSCLC and induction of EMT in some types of tumor. In this study, we further explored the role of the IGF1R signaling in the acquisition of EMT phenotype associated with EGFR TKI resistance in mutant-EGFR NSCLC...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29187406/ptbp3-mediated-regulation-of-zeb1-mrna-stability-promotes-epithelial-mesenchymal-transition-in-breast-cancer
#9
Pingfu Hou, Lin Li, Fang Chen, Yansu Chen, Hui Liu, Jingjing Li, Jin Bai, Junnian Zheng
The RNA polypyrimidine tract binding protein PTBP3 is a little studied paralog of PTBP1 which has oncogenic properties. In this study, we demonstrate that PTBP3 induces epithelial-mesenchymal transition (EMT) in breast tumor cells and promotes their invasive growth and metastasis. Elevated expression of PTBP3 associated significantly with lymph node metastasis, advanced histology grade, TNM stage, and poor 5-year overall survival of patients. In human mammary epithelial cells, PTBP3 overexpression was sufficient to induce EMT and enhance cell migration, invasion, and cancer stem-like cell properties...
November 29, 2017: Cancer Research
https://www.readbyqxmd.com/read/29179483/microrna-216a-inhibits-the-metastasis-of-gastric-cancer-cells-by-targeting-jak2-stat3-mediated-emt-process
#10
Youmao Tao, Songbai Yang, Yuanyu Wu, Xuedong Fang, Yannan Wang, Yan Song, Tao Han
MicroRNAs (miRNAs), a group of small, non-protein coding, endogenous RNAs, play critical roles in the tumorigenesis and progression of human cancer. miR-216a has recently been reported to play an oncogenic role in human cancer. While, the expression of miR-216a, its biological function and underlying molecular mechanisms in gastric cancer (GC) are largely unknown. In this study, we revealed that miR-216a was underexpressed in GC tissues compared to matched noncancerous tissues. Decreased levels of miR-216a were confirmed in GC cell lines compared with a normal gastric epithelium cell line...
October 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/29170132/high-aldh-activity-defines-ovarian-cancer-stem-like-cells-with-enhanced-invasiveness-and-emt-progress-which-are-responsible-for-tumor-invasion
#11
Yiying Li, Tong Chen, Jie Zhu, Haiyan Zhang, Hua Jiang, Hong Sun
Epithelial ovarian cancer (EOC) is highly metastatic and current therapeutics are unsatisfactory. Cancer stem/stem-like cells (CSCs/CSCLs) represent a rare population of undifferentiated oncogenic cells responsible for tumor initiation and maintenance. We identified ovarian cancer ALDH(high) (aldehyde dehydrogenase) population could perform not only strengthened CSCLs properties embodied in colony-formation, CSCs-markers expression, and tumorigenesis in vivo, but also a greater invasive capacity with advanced EMT progress and anti-apoptosis compared with ALDH(low) cells...
November 20, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29163688/foxm1-is-associated-with-metastasis-in-colorectal-cancer-through-induction-of-the-epithelial-mesenchymal-transition
#12
Bao-Ying Fei, Xujun He, Jie Ma, Mei Zhang, Rui Chai
The aim of the present study was to investigate the role of forkhead box M1 (FoxM1) in epithelial-mesenchymal transition (EMT) and metastasis in colorectal cancer (CRC). Immunohistochemical assays were performed to detect FoxM1 and epithelial (E-) cadherin protein expression in 92 CRC, 61 colonic adenoma and 32 wild-type colonic tissue samples. Quantitative polymerase chain reaction (qPCR) assays were performed to determine the expression levels of FoxM1 and E-cadherin mRNAs in 30 CRC and adjacent normal mucosal tissues...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29156753/candidate-tumor-suppressor-znf154-suppresses-invasion-and-metastasis-in-npc-by-inhibiting-the-emt-via-wnt-%C3%AE-catenin-signalling
#13
Ying Hu, Min-Fang Qi, Qian-Lan Xu, Xiang-Yun Kong, Rui Cai, Qiu-Qiu Chen, Hua-Ying Tang, Wei Jiang
Background: Nasopharyngeal carcinoma (NPC) is especially prevalent in southeast Asia and southern China, but its molecular mechanisms remain poorly characterized. DNA methylation is associated with initiation and progression of tumors, including NPC. Through a genome-wide DNA methylation screening approach, we discovered ZNF154, but its methylation status and roles in NPC have not been investigated. Methods: The methylation status of ZNF154 in NPC was detected with Methylation specific-PCR (MSP) and Quantitative Sequenom MassARRAY...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156517/mir-504-inhibits-cell-proliferation-and-invasion-by-targeting-loxl2-in-non-small-cell-lung-cancer
#14
Ming-Fan Ye, Ji-Guang Zhang, Tian-Xing Guo, Xiao-Jie Pan
BACKGROUND: MicroRNAs (miRNAs) play crucial roles in tumor initiation and development. The aim of the study was to explore the clinicopathological role and functional effects of miR-504 in non small cell lung cancer (NSCLC). METHODS: Quantitative reverse transcription polymerase chain reaction (QRT-PCR) was applied to detect the expression of miR-504 in 55 cases of NSCLC tissues and matched adjacent normal tissues in NSCLC patients. MTT, colony formation and transwell invasion assays were performed to evaluate the effects of miR-504 on cell proliferation and invasion, respectively...
November 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29152116/microrna-526b-servers-as-a-prognostic-factor-and-exhibits-tumor-suppressive-property-by-targeting-sirtuin-7-in-hepatocellular-carcinoma
#15
Xin Liu, Liu Yang, Jianfeng Tu, Wenwei Cai, Meiqi Zhang, Zhangxuan Shou, Yingmin Yao, Qiuran Xu
Recent studies have reported that microRNA-526b (miR-526b) is implicated in the growth and metastasis of cancer cells. However, the clinical significance of miR-526b and its role as well as underlying mechanisms are largely unknown in hepatocellular carcinoma (HCC). Here, we detected miR-526b expression difference between HCC and matched nontumor tissues with qRT-PCR. We found that miR-526b displayed lower expression in HCC patient tissues and cells. Clinical analysis revealed that low miR-526b expression correlated with large tumor size, venous infiltration, advanced tumor-node-metastasis (TNM) stage...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151976/aqueous-huaier-extract-suppresses-gastric-cancer-metastasis-and-epithelial-to-mesenchymal-transition-by-targeting-twist
#16
Zhiyuan Xu, Guowei Zheng, Yiping Wang, Chunli Zhang, Jianfa Yu, Fei Teng, Hang Lv, Xiangdong Cheng
Trametes robiniophila Murr. (Huaier) is a widely used anti-cancer agent in China. Strong evidence for the anti-proliferative activity of Huaier has been reported; however, its anti-metastatic potential against gastric cancer (GC) as well as its underlying mechanism of action are unknown. Here, we show that treatment with an aqueous Huaier extract over a range of concentrations significantly suppressed both the invasiveness and migratory ability of GC cells. Huaier could also partly reverse the epithelial-mesenchymal transition (EMT), as characterized by increased expression of the epithelial marker E-cadherin and decreased expression of the mesenchymal markers N-cadherin and vimentin...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29146630/a-role-for-cxcr4-in-peritoneal-and-hematogenous-ovarian-cancer-dissemination
#17
Agnes Figueras, Elisenda Alsina-Sanchís, Alvaro Lahiguera, Manuel Abreu, Laura Muinelo-Romay, Gema Moreno-Bueno, Oriol Casanovas, Mariona Graupera, Xavier Matias-Guiu, August Vidal, Alberto Villanueva, Francesc Viñals
Epithelial ovarian cancer is characterized by a low recovery rate because the disease is typically diagnosed at an advanced stage, by which time, most patients (80%) already exhibit disseminated neoplasia. The cytokine receptor CXCR4 has been implicated in the development of metastasis in various tumor types. Using a patient-derived tissue macroarray and mRNA expression analysis we observed high CXCR4 levels in high-grade serous epithelial ovarian carcinomas, the most metastatic tumor, compared with those in endometrioid carcinomas...
November 16, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29144820/pheochromocytoma-a-genetic-and-diagnostic-update
#18
Leilani B Mercado-Asis, Katherine I Wolf, Ivana Jochmanova, David Taïeb
OBJECTIVE: Pheochromocytomas and paragangliomas (PPGLs) are neuroendocrine tumors derived from adrenal or extra-adrenal locations, respectively. Upon suspicion of PPGL, specific metabolomic, molecular, biochemical, imaging, and histopathological studies are performed to prove, localize, treat, and monitor disease progression. Recently, improved diagnostic tools allow physicians to accurately diagnose PPGL, even in patients presenting with small (less than 1 cm) or biochemically silent tumors, which previously delayed proper detection and treatment...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29142604/klotho-expression-is-correlated-to-molecules-associated-with-epithelial-mesenchymal-transition-in-lung-squamous-cell-carcinoma
#19
Takayuki Ibi, Jitsuo Usuda, Tatsuya Inoue, Akira Sato, Kyoshiro Takegahara
Klotho is known as an anti-aging gene. We previously reported that the expression of Klotho is a postoperative prognostic factor for patients with lung large cell neuroendocrine carcinoma and lung small cell carcinoma. Recently, Klotho was shown to suppress the epithelial-mesenchymal transition (EMT). In the present study, we examined the association between the expression of Klotho and the regulation of EMT in lung squamous cell carcinoma. We immunohistochemically examined the expression of Klotho in patients with lung squamous cell carcinoma who had undergone surgical resection or photodynamic therapy...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29138842/placenta-specific-protein-1-promotes-cell-proliferation-and-invasion-in-non-small-cell-lung-cancer
#20
Li Yang, Tian-Qi Zha, Xiang He, Liang Chen, Quan Zhu, Wei-Bing Wu, Feng-Qi Nie, Qian Wang, Chong-Shuang Zang, Mei-Ling Zhang, Jing He, Wei Li, Wen Jiang, Kai-Hua Lu
Pulmonary carcinoma-associated proteins have emerged as crucial players in governing fundamental biological processes such as cell proliferation, apoptosis and metastasis in human cancers. Placenta-specific protein 1 (PLAC1) is a cancer-related protein, which is activated and upregulated in a variety of malignant tissues, including prostate cancer, gastric adenocarcinoma, colorectal, epithelial ovarian and breast cancer. However, its biological role and clinical significance in non-small cell lung cancer (NSCLC) development and progression are still unknown...
November 9, 2017: Oncology Reports
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