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https://www.readbyqxmd.com/read/28214216/cancer-stem-cell-cytokeratins-and-epithelial-to-mesenchymal-transition-markers-expression-in-oral-squamous-cell-carcinoma-derived-from-ortothopic-xenoimplantation-of-cd44-high-cells
#1
Nathália Paiva de Andrade, Maria Fernanda Setúbal Destro Rodrigues, Camila Oliveira Rodini, Fabio Daumas Nunes
Oral squamous cell carcinoma (OSCC) is the most prevalent neoplasia of oral cavity worldwide and prognosis remains unchanged in decades. Recently, different authors reported that head and neck squamous cell carcinomas have a subpopulation of tumor initiating cells that apparently correspond to cancer stem cells (CSC) and are also responsible for tumor growth and metastasis. The purpose of the present study was to investigate the microscopic and phenotypic characteristics of OSCC tumors induced after orthotopic xenoimplantation of SCC9(WT) cell line and CSC-enriched subpopulation isolated from SCC9 cell line based on high expression of the putative CSC marker CD44...
December 23, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214202/elevated-expression-of-microrna-19a-predicts-a-poor-prognosis-in-patients-with-osteosarcoma
#2
Pingzhou Zou, Jian Ding, Shiping Fu
MicroRNA (miR)-19a, a member of the miR-17-92 cluster, functions as an oncomiRNA in multiple kinds of cancers. However, its involvement in human osteosarcomas remains unclear. In this study, to analyze the expression pattern of miR-19a and to investigate its clinical implication in human osteosarcomas, quantitative reverse-transcription polymerase chain reaction was performed to detect expression levels of miR-19a in 166 self-pairs of osteosarcoma and noncancerous bone tissues. Associations between miR-19a expression and various clinicopathological parameters and patients' prognosis of osteosarcomas were further evaluated...
December 29, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28213952/down-regulation-of-kiaa1199-cemip-by-mir-216a-suppresses-tumor-invasion-and-metastasis-in-colorectal-cancer
#3
Dejun Zhang, Lei Zhao, Qiong Shen, Qing Lv, Min Jin, Hong Ma, Xiu Nie, Xiumei Zheng, Shaoyi Huang, Pengfei Zhou, Gang Wu, Tao Zhang
Colorectal cancer is one of the major causes of death from cancer. Metastasis is the leading cause of treatment failure, in which cancer stem cells and circulating tumor cells play crucial roles. Identifying the involved metastatic biomarkers and clarifying the regulation mechanisms are of great importance for targeting tumor metastasis. In the current research, we discovered that KIAA1199, a cell-migration inducing protein, showed higher expression in CD44+ cancer cells from metastatic compared with the paired primary tissues, and was upregulated in colorectal cancer and positively correlated with numbers and mesenchymal phenotype of circulating tumor cells, and predicted shorter progress-free survival...
February 18, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28213802/high-expression-of-aspm-correlates-with-tumor-progression-and-predicts-poor-outcome-in-patients-with-prostate-cancer
#4
Jian-Jiang Xie, Yang-Jia Zhuo, Yu Zheng, Ru-Jun Mo, Ze-Zhen Liu, Bo-Wei Li, Zhi-Duan Cai, Xue-Jin Zhu, Yu-Xiang Liang, Hui-Chan He, Wei-de Zhong
PURPOSE: Abnormal spindle microtubule assembly (ASPM) gene was known to be linked with poor clinical prognosis in various tumors. However, the clinical significance of ASPM in prostate cancer (PCa) has not yet been understood. The purpose of this study was to determine the association of ASPM with tumor progression and prognosis in PCa patients. METHODS: The expression of ASPM at protein level in human PCa and non-cancerous prostate tissue was detected by immunohistochemical analysis, which was further validated by using microarray-based dataset (NCBI GEO: GSE21032 and The Cancer Genome Atlas (TCGA) dataset) at mRNA level...
February 17, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28213624/oligometastatic-colorectal-cancer-is-single-site-bony-colorectal-metastasis-a-treatable-condition
#5
Noel Cassar, Adrian Ben Cresswell, Brendan Moran
INTRODUCTION: A potentially resectable bony metastasis in the context of oligometastatic colorectal cancer is uncommon. Bony metastases are usually considered a late event with poor prognosis and generally associated with liver and/or lung metastases. INDEX CASE: A previously healthy 33-year-old gentleman, with no family history of colorectal cancer, presented with rectal bleeding and at colonoscopy had a biopsy-proven adenocarcinoma of the rectum, 7 cm from the anal verge...
February 17, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28213554/hypoxia-selectively-enhances-integrin-receptor-expression-to-promote-metastasis
#6
Julia A Ju, Ines Godet, I Chae Ye, Jungmin Byun, Hasini Jayatilaka, Sun Joo Lee, Lisha Xiang, Debangshu Samanta, Meng Horng Lee, Pei-Hsun Wu, Denis Wirtz, Gregg L Semenza, Daniele M Gilkes
: Metastasis is the leading cause of breast cancer (BCa)mortality. Previous studies have implicated hypoxia-induced changes in the composition and stiffness of the extracellular matrix (ECM) in the metastatic process. Therefore, the contribution of potential ECM binding receptors in this process was explored. Using a bioinformatics approach the expression of all integrin receptor subunits, in two independent BCa patient data sets, were analyzed to determine if integrin status correlates with a validated hypoxiainducible gene signature...
February 17, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28212753/the-trail-induced-cancer-secretome-promotes-a-tumor-supportive-immune-microenvironment-via-ccr2
#7
Torsten Hartwig, Antonella Montinaro, Silvia von Karstedt, Alexandra Sevko, Silvia Surinova, Ankur Chakravarthy, Lucia Taraborrelli, Peter Draber, Elodie Lafont, Frederick Arce Vargas, Mona A El-Bahrawy, Sergio A Quezada, Henning Walczak
Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) is known for specifically killing cancer cells, whereas in resistant cancers, TRAIL/TRAIL-R can promote metastasis via Rac1 and PI3K. It remains unknown, however, whether and to what extent TRAIL/TRAIL-R signaling in cancer cells can affect the immune microenvironment. Here we show that TRAIL-triggered cytokine secretion from TRAIL-resistant cancer cells is FADD dependent and identify the TRAIL-induced secretome to drive monocyte polarization to myeloid-derived suppressor cells (MDSCs) and M2-like macrophages...
February 16, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28212713/rationally-designed-peptide-probes-for-extracellular-vesicles
#8
R Tamura, H Yin
Extracellular vesicles (EVs) are submicroscopic lipid vesicles secreted from cells and play significant roles in cell-to-cell communication by transporting varieties of cell signaling molecules like proteins, DNA, mRNA, and microRNA. Recent studies showed that EVs are highly correlated with cancer progression and metastasis. However, there are some difficulties in probing each vesicle using popular analytical methods because of their small sizes and heterogeneous origins. These obstacles may be overcome by using a novel approach that senses highly curved membrane and negatively charged membrane lipids...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28212608/transcriptomic-dynamics-of-breast-cancer-progression-in-the-mmtv-pymt-mouse-model
#9
Ying Cai, Ruben Nogales-Cadenas, Quanwei Zhang, Jhih-Rong Lin, Wen Zhang, Kelly O'Brien, Cristina Montagna, Zhengdong D Zhang
BACKGROUND: Malignant breast cancer with complex molecular mechanisms of progression and metastasis remains a leading cause of death in women. To improve diagnosis and drug development, it is critical to identify panels of genes and molecular pathways involved in tumor progression and malignant transition. Using the PyMT mouse, a genetically engineered mouse model that has been widely used to study human breast cancer, we profiled and analyzed gene expression from four distinct stages of tumor progression (hyperplasia, adenoma/MIN, early carcinoma and late carcinoma) during which malignant transition occurs...
February 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28212584/hyaluronic-acid-serum-albumin-conjugate-based-nanoparticles-for-targeted-cancer-therapy
#10
Ravit Edelman, Yehuda G Assaraf, Inna Levitzky, Tal Shahar, Yoav D Livney
Multiple carcinomas including breast, ovarian, colon, lung and stomach cancer, overexpress the hyaluronic acid (HA) receptor, CD44. Overexpression of CD44 contributes to key cancer processes including tumor invasion, metastasis, recurrence, and chemoresistance. Herein, we devised novel targeted nanoparticles (NPs) for delivery of anticancer chemotherapeutics, comprised of self-assembling Maillard reaction-based conjugates of HA and bovine serum albumin (BSA). HA served as the hydrophilic block, and as the ligand for actively targeting cancer cells overexpressing CD44...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212583/role-of-topk-in-lipopolysaccharide-induced-breast-cancer-cell-migration-and-invasion
#11
Min-Ah Seol, Jung-Hwan Park, Ji Heun Jeong, Jungmook Lyu, Seung Yun Han, Sang-Muk Oh
Inflammation has been known to be linked to invasion or metastasis of breast cancer, which has poor prognosis, although the regulatory mechanism remains to be undiscovered. Here we show that T-LAK cell-originated protein kinase (TOPK) mediates pro-inflammatory endotoxin lipopolysaccharide (LPS)-induced breast cancer cell migration and invasion. The mRNA or protein level of TOPK, toll- like receptor4 (TLR4), interleukin (IL)-6, vascular endothelial growth factor (VEGF) or matrix metalloproteinase9 (MMP9) genes related to TLR4 signaling or tumor progression was induced by LPS treatment in MCF7 breast cancer cells, but the induction was abolished by stable knocking down of TOPK in MCF7 cells...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212565/the-mir-675-5p-regulates-the-progression-and-development-of-pancreatic-cancer-via-the-ubqln1-zeb1-mir200-axis
#12
Jue Wang, Youli Zhang, Hong Wei, Xingxing Zhang, Yan Wu, Aihua Gong, Yu Xia, Wenbing Wang, Min Xu
Pancreatic cancer (PC) is a highly lethal disease due to extensive metastatic lesions. Accumulating evidence suggests that miR-675-5p plays different roles in metastasis through the regulation of epithelial to mesenchymal (EMT) and the mesenchymal to epithelial transitions (MET) in different cancers. ZEB1 promotes the EMT process by controlling the expression of E-cadherin and may have a reciprocal regulation with Ubiquilin1 (UBQLN1) and mir-200 family in cancer progression. In the present study, we showed that decreased expression of miR-675-5p is associated with the enhanced cell proliferation and survival of PC cells, while the increased expression of mir-675-5p shows the opposite one...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212564/s100a7-promotes-the-migration-invasion-and-metastasis-of-human-cervical-cancer-cells-through-epithelial-mesenchymal-transition
#13
Tian Tian, Xukun Li, Zhen Hua, Jianlin Ma, Xiaowei Wu, Zhihua Liu, Hongyan Chen, Zhumei Cui
S100A7 is an EF-hand calcium-binding protein that has been suggested to be implicated in cell proliferation, migration, invasion and tumor metastasis. However, its role in cervical cancer has not yet been fully clarified. The present study used immunohistochemistry analysis of S100A7 in clinical specimens of cervical cancer to show that S100A7 expression was significantly upregulated in cervical cancer tissues compared with normal cervical tissues and S100A7 expression in high grade cervical intraepithelial neoplasm (CIN) was significantly higher than cervical cancer...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212529/expression-of-the-cancer-stem-cell-markers-abcg2-and-oct-4-in-right-sided-colon-cancer-predicts-recurrence-and-poor-outcomes
#14
Jun Hu, Jian Li, Xin Yue, Jiacang Wang, Jianzhong Liu, Lin Sun, Dalu Kong
Right-sided colon cancer (RCC) has a poorer prognosis and a higher relapse rate than left-sided colon cancer (LCC). Like cancer stem cells (CSCs), RCC cells cannot be fully eradicated and are often involved in relapse or metastasis. Because CSCs may be linked with poor outcomes, CSC markers may have prognostic value in RCC. ATP-binding cassette sub-family G member 2 (ABCG2) and OCT-4 (also known as POU5F1) are among the most useful markers for CSC identification. We therefore examined the malignant behavior of ABCG2 and OCT-4 in vitro and in vivo, and their expression was assessed in pathology tissues obtained from clinicopathologically recurrent and non-recurrent cases...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212473/-five-year-survival-analysis-in-patients-with-penile-cancer
#15
Álvaro José Montiel-Jarquín, Antonio Jesús Contreras-Díaz, Eduardo Vázquez-Cruz, Marco Antonio Chopin-Gazga, María Socorro Romero-Figueroa, Ivet Etchegaray-Morales, Ivan Alvarado-Ortega
BACKGROUND: Short-term survival of penile cancer is poor. The objective was to describe the 5-years penile cancer survival. METHODS: Retrospective cohort study. We included patients with penile cancer managed surgically from 2010 to 2014. Descriptive statistics were used for socio-demographic variables and the Kaplan-Meier estimator for survival function. RESULTS: We studied 22 patients with a mean age of 64.95 years and a time of evolution of 25 months after the diagnosis...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28212429/the-p53-isoform-delta133p53%C3%A3-regulates-cancer-cell-apoptosis-in-a-rhob-dependent-manner
#16
Nikola Arsic, Alexandre Ho-Pun-Cheung, Crapez Evelyne, Eric Assenat, Marta Jarlier, Christelle Anguille, Manon Colard, Mikaël Pezet, Pierre Roux, Gilles Gadea
The TP53 gene plays essential roles in cancer. Conventionally, wild type (WT) p53 is thought to prevent cancer development and metastasis formation, while mutant p53 has transforming abilities. However, clinical studies failed to establish p53 mutation status as an unequivocal predictive or prognostic factor of cancer progression. The recent discovery of p53 isoforms that can differentially regulate cell cycle arrest and apoptosis suggests that their expression, rather than p53 mutations, could be a more clinically relevant biomarker in patients with cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28212293/targeting-angiogenesis-in-biliary-tract-cancers-an-open-option
#17
REVIEW
Valeria Simone, Oronzo Brunetti, Luigi Lupo, Mario Testini, Eugenio Maiorano, Michele Simone, Vito Longo, Christian Rolfo, Marc Peeters, Aldo Scarpa, Amalia Azzariti, Antonio Russo, Domenico Ribatti, Nicola Silvestris
Biliary tract cancers (BTCs) are characterized by a bad prognosis and the armamentarium of drugs for their treatment is very poor. Although the inflammatory status of biliary tract represents the first step in the cancerogenesis, the microenvironment also plays a key role in the pathogenesis of BTCs, promoting tumor angiogenesis, invasion and metastasis. Several molecules, such as vascular endothelial growth factor (VEGF) and fibroblast growth factor (FGF), are involved in the angiogenesis process and their expression on tumor samples has been explored as prognostic marker in both cholangiocarcinoma and gallbladder cancer...
February 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28212271/carbon-nanotubes-as-an-effective-opportunity-for-cancer-diagnosis-and-treatment
#18
REVIEW
Alessandro Sanginario, Beatrice Miccoli, Danilo Demarchi
Despite the current progresses of modern medicine, the resistance of malignant tumors to present medical treatments points to the necessity of developing new therapeutic approaches. In recent years, numerous studies have focused their attention on the promising use of nanomaterials, like iron oxide nanowires, zinc oxide or mesoporous silica nanoparticles, for cancer and metastasis treatment with the advantage of operating directly at the bio-molecular scale. Among them, carbon nanotubes emerged as valid candidates not only for drug delivery, but also as a valuable tool in cancer imaging and physical ablation...
February 15, 2017: Biosensors
https://www.readbyqxmd.com/read/28212191/endothelial-cell-metabolism-an-update-anno-2017
#19
Laure-Anne Teuwen, Nihed Draoui, Charlotte Dubois, Peter Carmeliet
PURPOSE OF REVIEW: Endothelial cell metabolism has recently emerged as an important coregulator of angiogenesis and is therefore a promising new target in various angiogenesis-associated illnesses, like cancer. In this review, we discuss recent insights in endothelial cell metabolism in both physiological and pathological conditions and discuss possible translational implications. RECENT FINDINGS: Two metabolic pathways that determine the performance of endothelial cells are glycolysis and fatty acid oxidation (FAO)...
February 15, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28211800/upregulated-mir-483-5p-expression-as-a-prognostic-biomarker-for-esophageal-squamous-cell-carcinoma
#20
Liying Xue, Jinglong Nan, Li Dong, Cuiying Zhang, Hui Li, Rentura Na, Huijie He, Yadi Wang
BACKGROUND: Esophageal squamous cell carcinoma (ESCC) is one of the most common cause of cancer-associated mortality. Uncovering novel molecular biomarkers that can predict ESCC development will improve personalized therapy. OBJECTIVE: The goal of the current study was to investigate the expression pattern of miR-483-5p and determine its prognostic value in ESCC. METHODS: We first analyzed miRNA-seq data obtained from the Cancer Genome Atlas (TCGA) cohort to evaluate the prognostic value of miR-483-5p in ESCC...
February 3, 2017: Cancer Biomarkers: Section A of Disease Markers
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