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https://www.readbyqxmd.com/read/30107346/mir-137-suppresses-tumor-growth-and-metastasis-in-clear-cell-renal-cell-carcinoma
#1
Meizhi Wang, Hui Gao, Haijun Qu, Jing Li, Kaili Liu, Zhiwu Han
BACKGROUND: The most frequent type of renal cell carcinoma is called clear-cell renal cell carcinoma (ccRCC) which is associated with a poor prognosis. It has been observed that miR-137 is aberrantly expressed in many different kinds of human malignancies including ccRCC. This research aims to examine the role of miR-137 in ccRCC. METHODS: Quantitative RT-PCR (qRT-PCR) was applied to measure miR-137 expression in ccRCC and adjacent noncancerous tissue. Gene expression was determined by western blot...
April 22, 2018: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/30107336/bioprinting-of-glioma-stem-cells-improves-their-endotheliogenic-potential
#2
Xuanzhi Wang, Xinda Li, Xingliang Dai, Xinzhi Zhang, Jing Zhang, Tao Xu, Qing Lan
Glioblastoma (GBM), with rich blood vessels and high invasiveness, is the most common malignant primary brain tumor. The current treatment strategies are less effective, resulting in tumor recurrence. Tumor angiogenesis plays an important role in the occurrence, development and metastasis of GBM. Currently, GBM has been treated by inhibiting tumor angiogenesis. In-depth study of tumor angiogenesis is of great significance for the treatment of GBM. Recent studies have shown that glioma stem cells (GSCs) are involved in tumor vascularization by secreting vascular endothelial growth factor (VEGF)...
August 7, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/30107328/early-relaxation-time-assessment-for-characterization-of-breast-tissue-and-diagnosis-of-breast-tumors
#3
M Baghban, A Mojra
During recent years, many efforts have been made to increase the efficiency of the treatment methods by adjusting the treatment with the specification of related tissue. Non-penetrating indentation test is a non-invasive method for characterizing mechanical behavior of the tissue. In this study, characterization of the viscoelastic behavior of breast tissue is investigated by means of the relaxation time. To this end, an in-vivo study is conducted on the breast tissue of 18 female cases by performing a compressive indentation test with controlled rate of deformation...
July 30, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/30107230/identification-of-skt11-regulated-genes-in-chondrocytes-by-integrated-bioinformatics-analysis
#4
Shuang Liang, Jia-Ming Zhang, Zheng-Tao Lv, Peng Cheng, Wen-Tao Zhu, An-Min Chen
SKT11, an important tumor suppressor, is a member of the serine/threonine kinase family and plays a crucial role in tumor invasion and metastasis by activated adenine monophosphate-activated protein kinase (AMPK) and AMPK-related kinase proteins. However, few studies have elaborated its regulations of development and metabolism of cartilage, as well as skeleton. This study was aimed to investigate the role of Stk11-knockout in chondrocyte by bioinformatics analysis. The gene expression profiles for Stk11-knockout and wild-type mice were downloaded from the Gene Expression Omnibus (GEO) database...
August 11, 2018: Gene
https://www.readbyqxmd.com/read/30107181/snapshot-bladder-cancer
#5
Carolyn Hurst, Jonathan Rosenberg, Margaret Knowles
Bladder cancers, the majority of which are urothelial carcinoma, are the most common urinary tract cancers. There are two major disease types, muscle-invasive and non-muscle-invasive, with distinct pathogenesis pathways, molecular features, and clinical outcomes. Recent genomic and transcriptomic data have significantly improved tumor sub-classification and prognostication for both patient groups and are informing improved approaches to treatment of muscle-invasive disease. To view this SnapShot, open or download the PDF...
August 13, 2018: Cancer Cell
https://www.readbyqxmd.com/read/30107178/therapeutic-ablation-of-gain-of-function-mutant-p53-in-colorectal-cancer-inhibits-stat3-mediated-tumor-growth-and-invasion
#6
Ramona Schulz-Heddergott, Nadine Stark, Shelley J Edmunds, Jinyu Li, Lena-Christin Conradi, Hanibal Bohnenberger, Fatih Ceteci, Florian R Greten, Matthias Dobbelstein, Ute M Moll
Over half of colorectal cancers (CRCs) harbor TP53 missense mutations (mutp53). We show that the most common mutp53 allele R248Q (p53Q ) exerts gain of function (GOF) and creates tumor dependence in mouse CRC models. mutp53 protein binds Stat3 and enhances activating Stat3 phosphorylation by displacing the phosphatase SHP2. Ablation of the p53Q allele suppressed Jak2/Stat3 signaling, growth, and invasiveness of established, mutp53-driven tumors. Treating tumor-bearing mice with an HSP90 inhibitor suppressed mutp53 levels and tumor growth...
August 13, 2018: Cancer Cell
https://www.readbyqxmd.com/read/30107094/preclinical-evidence-of-the-enhanced-effectiveness-of-combined-rapamycin-and-aicar-in-reducing-kidney-cancer
#7
Sitai Liang, Edward A Medina, Boajie Li, Samy L Habib
Loss of Von Hippel-Lindau (VHL) in renal carcinoma cells results in up regulation of the activity of Hypoxia-Inducible Factor (HIF-α), a major transcription factor involved in kidney cancer. Rapamycin as mTOR inhibitor and 5-aminoimidazole-4-carboxamide (AICA)-riboside (AICAR) as AMPK activator are separately used to treat cancer patients. In the current study, the possible additive effect of drug combinations in reducing kidney tumorigenesis was investigated. Treatment with drug combinations significantly decreased cell proliferation, increased cell apoptosis, and abolished Akt phosphorylation and HIF-2α expression in RCC cells, including primary cells isolated from kidney cancer patients...
August 14, 2018: Molecular Oncology
https://www.readbyqxmd.com/read/30107089/ubxn2a-enhances-chip-mediated-proteasomal-degradation-of-oncoprotein-mortalin-2-in-cancer-cells
#8
Sanam Sane, Andre Hafner, Rekha Srinivasan, Daniall Masood, John L Slunecka, Collin J Noldner, Alex D Hanson, Taylor Kruisselbrink, Xuejun Wang, Yiyang Wang, Jun Yin, Khosrow Rezvani
Overexpression of oncoproteins is a major cause of treatment failure using current chemotherapeutic drugs. Drug-induced degradation of oncoproteins is feasible and can improve clinical outcomes in diverse types of cancers. Mortalin-2 (mot-2) is a dominant oncoprotein in several tumors, including colorectal cancer (CRC). In addition to inactivating the p53 tumor suppressor protein, mot-2 enhances tumor cell invasion and migration. Thus, mot-2 is considered a potential therapeutic target in several cancer types...
August 14, 2018: Molecular Oncology
https://www.readbyqxmd.com/read/30106632/be-aware-of-the-patient-with-benign-follicular-thyroid-lesion-histology-and-rising-thyroglobulin-level
#9
Ilana Slutzky-Shraga, Yulia Sternov, Eyal Robenshtock, Gloria Tzvetov, Carlos Benbassat, Dania Hirsch
OBJECTIVE: The accurate diagnosis of thyroid follicular/Hürthle cell tumors is challenging and a matter of controversy. We present a series of patients in whom a misclassification of follicular/Hürthle cell thyroid lesions as benign has led to devastating clinical outcomes. METHODS: The Thyroid Cancer Registry of Rabin Medical Center was screened for patients with metastatic differentiated thyroid carcinoma (DTC) who had been initially diagnosed with benign follicular lesion between 1974 and 2015 and treated with hemithyroidectomy...
August 14, 2018: Endocrine Practice
https://www.readbyqxmd.com/read/30106440/set7-9-promotes-hepatocellular-carcinoma-progression-through-regulation-of-e2f1
#10
Ye Gu, Xinling Wang, Hong Liu, Guimei Li, Weiping Yu, Qing Ma
Hepatocellular carcinoma (HCC) is one of the most prevalent malignancies worldwide. Histone‑lysine N‑methyltransferase SET7/9 is a protein lysine monomethylase that methylates histone H3K4 as well as various non‑histone proteins. Deregulation of SET7/9 is frequently detected in human cancers. However, the role of SET7/9 in HCC development remains unclear. In the present study, upregulation of SET7/9 and E2F transcription factor 1 (E2F1) expression was detected in 68 samples of HCC tissues compared with these levels noted in the paired healthy liver samples...
August 2, 2018: Oncology Reports
https://www.readbyqxmd.com/read/30106414/impact-of-cyclooxygenase-2-over-expression-on-the-prognosis-of-colorectal-cancer-patients-an-experience-from-western-saudi-arabia
#11
Abdulkader M Albasri, Mohammed A Elkablawy, Akbar S Hussainy, Hala M Yousif, Ahmed S Alhujaily
OBJECTIVES: To evaluate cyclooxygenase-2 (COX-2) over-expression in colorectal cancer (CRC) and its role in carcinogenesis and prognosis. METHODS: It was a retrospective study. Archival samples were obtained from Pathology Department at King Fahad Hospital, Madinah, Saudi Arabia, over 11 years' period (January 2006 to December 2017). Samples were analyzed using immunohistochemistry for COX-2 and Ki67 over-expression in 324 CRC patients, 40 cases of colorectal adenomas and 20 cases of normal colonic mucosa...
August 2018: Saudi Medical Journal
https://www.readbyqxmd.com/read/30106161/microrna%C3%A2-34b-promotes-proliferation-migration-and-invasion-of-ewing-s-sarcoma-cells-by-downregulating-notch1
#12
Qunshan Lu, Mei Lu, Dong Li, Shuai Zhang
Ewing's sarcoma is the second most frequent bone and soft tissue sarcoma, which is commonly driven by the Ewing's sarcoma breakpoint region 1‑friend leukemia integration 1 transcription factor (EWS‑FLI1) fusion gene. Since microRNAs (miRs) can act as either oncogenes or tumor suppressor genes in human cancer, and miR‑34b has been reported to act as a tumor suppressor, the role of miR‑34b in Ewing's sarcoma was investigated in the present study. The results demonstrated that miR‑34b expression levels were higher in tumor samples compared within normal tissue samples...
August 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/30106159/microrna%C3%A2-342%C3%A2-3p-suppresses-proliferation-and-invasion-of-nasopharyngeal-carcinoma-cells-by-directly-targeting-cdc42
#13
Lu Shi, Ruowen Xiao, Menghe Wang, Meiyin Zhang, Nuoqing Weng, Xinge Zhao, X F Steven Zheng, Huiyun Wang, Shijuan Mai
Deregulated microRNAs play an important role in the development and progression of various types of cancer. In our previous study, we observed that microRNA‑342‑3p (miR‑342‑3p) was one of the most markedly downregulated microRNAs in two nasopharyngeal carcinoma (NPC) cell lines compared to non‑neoplastic cells by using whole genome small RNA sequencing. In the present study, we confirmed that the expression of miR‑342‑3p was significantly reduced in NPC tissues compared with normal nasopharyngeal epithelial tissues...
August 10, 2018: Oncology Reports
https://www.readbyqxmd.com/read/30106155/microrna%C3%A2-675%C3%A2-3p-promotes-esophageal-squamous-cell-cancer-cell-migration-and-invasion
#14
Qi Xiao, Tianming Chen, Yao Wu, Wenxiu Wu, Yandi Xu, Zhunan Gong, Shilin Chen
Esophageal cancer ranks fourth in cancer‑associated mortality in China and the incidence of esophageal adenocarcinoma has risen dramatically over the past two decades. MicroRNA (miRNA/miR) serves a pivotal role in human cancer cell growth, invasion and migration. MiR‑675‑3p is highly expressed in esophageal squamous cell cancer (ESCC) tissues, and may have an influence on ESCC cell migration and invasion. ESCC tumor tissue samples from 35 patients were profiled. MiR‑675‑3p expression was confirmed by reverse transcription‑quantitative polymerase chain reaction...
August 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/30106147/ascl2-expression-contributes-to-gastric-tumor-migration-and-invasion-by-downregulating-mir223-and-inducing-emt
#15
Qingsong Zuo, Jie Wang, Chao Chen, Yong Zhang, Dian-Xu Feng, Ronghua Zhao, Teng Chen
Achaete‑scute homolog 2 (ASCL2), a basic helix‑loop‑helix transcription factor, serves an essential role in the maintenance of adult intestinal stem cells and the growth of gastric cancer (GC). However, the function of ASCL2 in the metastasis of GC is poorly understood. The present study aimed to evaluate the effect of ASCL2 expression on gastric tumor metastasis. ASCL2 protein expression was detected in 32 cases of gastric metastasis and its relevant primary tumors using western blotting and immunohistochemistry...
August 8, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/30106144/a-natural-ent%C3%A2-kaurane-diterpenoid-induces-antiproliferation-in-ovarian-cancer-cells-via-erk1-2-regulation-and-inhibition-of-cellular-migration-and-invasion
#16
Jin Sun Lee, Myung Sun Lee, Eun Young Cha, Phuong Thien Thuong, Ji Young Sul, Jun Beom Park, Young Bok Ko
Ovarian cancer is one of the most common causes of female mortalities from gynecological tumors. An ent‑kaurane diterpenoid compound CRT1 (ent‑18‑acetoxy‑7β‑hydroxy kaur‑15‑oxo‑16‑ene), mainly isolated from the Vietnamese herb Croton tonkinesis has been used in folk medicine in Vietnam for cancer treatment. However, the effect of this compound on human ovarian cancer cells has not yet been reported. The objective of the present study was to determine the effect of CRT1 on the cell viability, apoptosis and metastasis of SKOV3 human ovarian cancer cells using a Cell Counting Kit‑8 assay, flow cytometric analysis of Annexin V‑fluorescein isothiocyanate/propidium iodide staining, western blot analysis, soft agar colony forming assay, wound healing assay and Matrigel invasion assay...
August 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/30106140/lncrna-linc00673-induces-proliferation-metastasis-and-epithelial-mesenchymal-transition-in-thyroid-carcinoma-via-kruppel-like-factor-2
#17
Erjie Xia, Adheesh Bhandari, Yanyan Shen, Xiaofen Zhou, Ouchen Wang
The incidence of thyroid cancer has increased in the past decades; however, the underlying molecular mechanisms of thyroid cancer tumorigenesis remain unknown. Using sequencing technology, long intergenic non‑protein coding RNA 673 (LINC00673) was identified to be upregulated in several tumor tissues. However, the biological role of LINC00673 in thyroid carcinoma has yet to be determined. In this study, 60 matched pairs of thyroid tumor tissue and normal tissue were selected for study using reverse transcription-quantitative polymerase chain reaction (RT-qPCR) to validate previous findings; then, clinicopathologic features of the tissues were analyzed...
August 14, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/30106139/long-non-coding-rna-casc2-inhibits-breast-cancer-cell-growth-and-metastasis-through-the-regulation-of-the-mir-96-5p-syvn1-pathway
#18
Zejun Gao, Hai Wang, Hangyu Li, Min Li, Jia Wang, Wenwen Zhang, Xiubin Liang, Dongming Su, Jinhai Tang
Cancer susceptibility candidate 2 (CASC2), a long non-coding RNA (lncRNA), has been demonstrated to be a tumor suppressor in several types of cancer. However, the role and mechanism of CASC2 in breast cancer (BC) have not been investigated. In the present study, the expression and functions of CASC2 in BC were investigated. The expression of CASC2 was significantly decreased in BC tissues and cells compared with adjacent normal tissues and mammary epithelial cells, respectively. CASC2 overexpression inhibited the viability, migration and invasion, and elevated apoptosis of BC cells...
August 13, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/30106136/zbtb7-evokes-5-fluorouracil-resistance-in-colorectal-cancer-through-the-nf%C3%A2-%C3%AE%C2%BAb-signaling-pathway
#19
Zexin Wang, Xilan Zhao, Wei Wang, Yishu Liu, Yanyan Li, Junyong Gao, Cancan Wang, Meiyu Zhou, Ruyan Liu, Guofa Xu, Qi Zhou
Zinc finger and BTB domain containing 7A (ZBTB7), a POZ/BTB and Krüppel erythroid myeloid oncogenic factor, is critical for the tumorigenicity and progression of various cancer types. ZBTB7 has been reported to promote the cell proliferation of colorectal cancers (CRC). However, the function of ZBTB7 to 5-fluorouracil (5‑FU) resistance has not yet been studied. In the current study, ZBTB7 expression and function in 5‑FU resistance in CRC were investigated using with multidisciplinary approaches, including western blot analysis, Transwell assay, CCK8 and a tumor xenograft model...
August 10, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/30106127/the-pdk1-c%C3%A2-jun-pathway-activated-by-tgf%C3%A2-%C3%AE-induces-emt-and-promotes-proliferation-and-invasion-in-human-glioblastoma
#20
Dingyuan Luo, Xinke Xu, Junliang Li, Cheng Chen, Wei Chen, Fangyu Wang, Yanping Xie, Fangcheng Li
Glioblastoma multiforme (GBM) is the most common primary malignant tumor affecting the human brain. Despite improvements in therapeutic technologies, patients with GBM have a poor clinical result and the molecular mechanisms responsible for the development of GBM have not yet been fully elucidated. 3-phosphoinositide dependent protein kinase 1 (PDK1) is upregulated in various tumors and promotes tumor invasion. In glioma, transforming growth factor-β (TGF‑β) promotes cell invasion; however, whether TGF‑β directly regulates PDK1 protein and promotes proliferation and invasion is not yet clear...
August 14, 2018: International Journal of Oncology
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