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https://www.readbyqxmd.com/read/28749599/heat-induced-inflammation-and-its-role-in-esophageal-cancer
#1
REVIEW
Mohaddese Maghsudlu, Ehsan Farashahi Yazd
Esophageal cancer as the sixth common cause of cancer death in the world consists of different histological types with various incidence patterns. Among them, esophageal adenocarcinoma and esophageal squamous cell carcinoma are the most prevalent types which also have different causality, cell of origin and risk factors. Since epidemiological studies have announced consumption of hot substances as one of the major risk factors for squamous cell carcinoma, evaluating the effect of this external stress on esophagus cells seems desirable...
July 27, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28749470/mir-181d-and-c-myc-mediated-inhibition-of-cry2-and-fbxl3-reprograms-metabolism-in-colorectal-cancer
#2
Xiaofeng Guo, Yuekun Zhu, Xinya Hong, Mukun Zhang, Xingfeng Qiu, Zhenfa Wang, Zhongquan Qi, Xuehui Hong
Colorectal cancer (CRC) is the second major cause of tumor-related deaths. MicroRNAs (miRNAs) have pivotal roles in CRC progression. Here, we describe the effect of miR-181d on CRC cell metabolism and underlying molecular mechanism. Our data firmly demonstrated that knockdown of miR-181d suppressed CRC cell proliferation, migration, and invasion by impairing glycolysis. Mechanistically, miR-181d stabilized c-myc through directly targeting the 3'-UTRs of CRY2 and FBXL3, which subsequently increased the glucose consumption and the lactate production...
July 27, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28749468/wwox-sensitises-ovarian-cancer-cells-to-paclitaxel-via-modulation-of-the-er-stress-response
#3
Szymon Janczar, Jaya Nautiyal, Yi Xiao, Edward Curry, Mingjun Sun, Elisa Zanini, Adam Jw Paige, Hani Gabra
There are clear gaps in our understanding of genes and pathways through which cancer cells facilitate survival strategies as they become chemoresistant. Paclitaxel is used in the treatment of many cancers, but development of drug resistance is common. Along with being an antimitotic agent paclitaxel also activates endoplasmic reticulum (ER) stress. Here, we examine the role of WWOX (WW domain containing oxidoreductase), a gene frequently lost in several cancers, in mediating paclitaxel response. We examine the ER stress-mediated apoptotic response to paclitaxel in WWOX-transfected epithelial ovarian cancer (EOC) cells and following siRNA knockdown of WWOX...
July 27, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28749466/knockout-of-march2-inhibits-the-growth-of-hct116-colon-cancer-cells-by-inducing-endoplasmic-reticulum-stress
#4
Dan Xia, Wanli Ji, Chentong Xu, Xin Lin, Xiaokun Wang, Yan Xia, Ping Lv, Quansheng Song, Dalong Ma, Yingyu Chen
Membrane-associated RING-CH protein 2 (MARCH2), a member of the MARCH family, functions in vesicle trafficking and autophagy regulation. In this study, we established MARCH2 knockout HCT116 cell lines using CRISPR/Cas9-mediated genome editing to evaluate the role of MARCH2 in colon cancer in vitro and in vivo. Knockout of MARCH2 suppressed cell proliferation, and promoted autophagy, apoptosis and G2/M phase cell cycle arrest. These effects were associated with activation of endoplasmic reticulum (ER) stress...
July 27, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28749464/the-cohesin-complex-prevents-myc-induced-replication-stress
#5
Sara Rohban, Aurora Cerutti, Marco J Morelli, Fabrizio d'Adda di Fagagna, Stefano Campaner
The cohesin complex is mutated in cancer and in a number of rare syndromes collectively known as Cohesinopathies. In the latter case, cohesin deficiencies have been linked to transcriptional alterations affecting Myc and its target genes. Here, we set out to understand to what extent the role of cohesins in controlling cell cycle is dependent on Myc expression and activity. Inactivation of the cohesin complex by silencing the RAD21 subunit led to cell cycle arrest due to both transcriptional impairment of Myc target genes and alterations of replication forks, which were fewer and preferentially unidirectional...
July 27, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28749461/dnmt1-maintained-hypermethylation-of-kr%C3%A3-ppel-like-factor-5-involves-in-the-progression-of-clear-cell-renal-cell-carcinoma
#6
Rong-Jie Fu, Wei He, Xiao-Bo Wang, Lei Li, Huan-Bin Zhao, Xiao-Ye Liu, Zhi Pang, Guo-Qiang Chen, Lei Huang, Ke-Wen Zhao
Clear cell renal cell carcinoma (ccRCC) is the major subtype of renal cell carcinoma (RCC) that is resistant to conventional radiation and chemotherapy. It is a challenge to explore effective therapeutic targets and drugs for this kind of cancer. Transcription factor Krüppel-like factor 5 (KLF5) exerts diverse functions in various tumor types. By analyzing cohorts of the Cancer Genome Atlas (TCGA) data sets, we find that KLF5 expression is suppressed in ccRCC patients and higher level of KLF5 expression is associated with better prognostic outcome...
July 27, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28749424/drug-discovery-by-molecular-imaging-and-monitoring-therapy-response-in-lymphoma
#7
REVIEW
Senthilkumar Kalimuthu, Ju Hye Jeong, Ji Min Oh, Byeong-Cheol Ahn
Molecular imaging allows a noninvasive assessment of biochemical and biological processes in living subjects. Treatment strategies for malignant lymphoma depend on histology and tumor stage. For the last two decades, molecular imaging has been the mainstay diagnostic test for the staging of malignant lymphoma and the assessment of response to treatment. This technology enhances our understanding of disease and drug activity during preclinical and clinical drug development. Here, we review molecular imaging applications in drug development, with an emphasis on oncology...
July 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28749413/pgk1-drives-hepatocellular-carcinoma-metastasis-by-enhancing-metabolic-process
#8
Huijun Xie, Guihui Tong, Yupei Zhang, Shu Liang, Kairui Tang, Qinhe Yang
During the proliferation and metastasis, the tumor cells prefer glycolysis (Warburg effect), but its exact mechanism remains largely unknown. In this study, we demonstrated that phosphoglycerate kinase 1 (PGK1) is an important enzyme in the pathway of metabolic glycolysis. We observed a significant overexpression of PGK1 in hepatocellular carcinoma tissues, and a correlation between PGK1 expression and poor survival of hepatocellular carcinoma patients. Also, the depletion of PGK1 dramatically reduced cancer cell proliferation and metastasis, indicating an oncogenic role of PGK1 in liver cancer progression...
July 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28749203/cb002-a-novel-p53-tumor-suppressor-pathway-restoring-small-molecule-induces-tumor-cell-death-through-the-pro-apoptotic-protein-noxa
#9
Liz J Hernandez-Borrero, Shengliang Zhang, Amriti Lulla, David T Dicker, Wafik S El-Deiry
P53 tumor suppressor gene mutations occur in the majority of human cancers and contribute to tumor development, progression and therapy resistance. Direct functional restoration of p53 as a transcription factor has been difficult to achieve in the clinic. We performed a functional screen using a bioluminescence-based transcriptional read-out to identify small molecules that restore the p53 pathway in mutant p53-bearing cancer cells. We identified CB002, as a candidate that restores p53 function in mutant p53-expressing colorectal cancer cells and without toxicity to normal human fibroblasts...
July 27, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28749202/abbreviated-breast-mri-for-screening-women-with-dense-breast-the-ea1141-trial
#10
Christiane K Kuhl
Early diagnosis improves survival of women with breast cancer. Mammographic screening improves early diagnosis of breast cancer. And yet, there appears to be room for improvement. Major shortcomings of mammographic screening are overdiagnosis of prognostically unimportant cancer, as well as underdiagnosis of cancers that are indeed relevant. Failure to detect biologically relevant breast cancer with mammographic screening is driven by host-related factors, i.e. breast tissue density, but also tumour-related factors: Biologically relevant cancers may exhibit imaging features that renders them indistinguishable from normal or benign breast tissue on mammography...
July 27, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28749166/ablative-safety-margin-depicted-by-fusion-imaging-with-post-treatment-contrast-enhanced-ultrasound-and-pre-treatment-cect-cemri-after-radiofrequency-ablation-for-liver-cancers
#11
Xiao-Wan Bo, Hui-Xiong Xu, Le-Hang Guo, Li-Ping Sun, Xiao-Long Li, Chong-Ke Zhao, Ya-Ping He, Bo-Ji Liu, Dan-Dan Li, Kun Zhang, Dan Wang
OBJECTIVES: To evaluate the value of fusion imaging with post-treatment contrast-enhanced ultrasound (CEUS) and pre-treatment contrast-enhanced computed tomography/magnetic resonance imaging (CECT/CEMRI) in evaluating ablative safety margin after percutaneous ultrasound (US)-guided radiofrequency ablation (RFA) for liver cancers. METHODS: 34 consecutive patients with 47 liver lesions who had undergone RFA were included. Fusion imaging with post-treatment CEUS and pre-treatment CECT/CEMRI was carried out to evaluate local treatment response and ablative safety margin within 1-3 days after RFA...
July 27, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28749137/identification-of-antiangiogenic-potential-and-cellular-mechanisms-of-napyradiomycin-a1-isolated-from-the-marine-derived-streptomyces-sp-yp127
#12
Ji Sun Hwang, Geum Jin Kim, Hyun Gyu Choi, Min Cheol Kim, Dongyup Hahn, Joo-Won Nam, Sang-Jip Nam, Hak Choel Kwon, Jungwook Chin, Sung Jin Cho, Hayoung Hwang, Hyukjae Choi
Angiogenesis is the process of new blood vessel formation. Excessive angiogenesis is a critical factor in the progression of cancer, macular degeneration, and other chronic inflammatory diseases. When investigating the effects of crude extracts of cultured marine microorganisms, an extract of the cultured Streptomyces sp. YP127 strain was found to inhibit human umbilical vein endothelial cell (HUVEC) tube formation. Bioassay-guided fractionation and spectroscopic data analyses led to the identification of napyradiomycin A1 (1) as an antiangiogenic component of the extract...
July 27, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28749114/characteristics-and-outcomes-of-patients-with-hematological-malignancies-admitted-for-intensive-care-a-single-centre-experience
#13
Shafaq Maqsood, Farhana Badar, Abdul Hameed
Background and Purpose: Patients with hematological malignancies admitted to an intensive care unit (ICU) generally have a high mortality rate. The aim of our study was to assess the characteristics and outcomes of such patients and to identify factors predicting ICU mortality. Material and Methods: This retrospective chart review was conducted in the intensive care unit (ICU) of Shaukat Khanum Memorial Cancer Hospital and Research Centre over a period of 5 years, from January 2010 to January 2015. Results: Characteristics :A total of 213 patients were included in this study...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28749103/decreased-mean-platelet-volume-is-associated-with-cervical-cancer-development
#14
Wen-Jie Shen, Shuang Fu, Na Li, Lu-Lu Li, Zhi-Gang Cao, Chuanfu Li, Tiemin Liu, Rui-Tao Wang
Background: Cervical cancer is the most common gynecological malignant disorder worldwide. Activated platelets play a key role in cancer development and progression. Mean platelet volume (MPV) is an early indicator of platelet activation. The aim of the present study was to evaluate MPV levels in patients with cervical cancer. Materials and methods: A total of 181 patients with cervical cancer and 181 controls between January 2015 and June 2015 were included in the study. Patient characteristics and hematologic test data at initial diagnosis were collected and odds ratios (ORs) and 95% confidence intervals (CIs) for risk of cervical cancer were calculated using multivariate logistic regression analyses across MPV quartiles...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28749044/video-assisted-thoracoscopic-lobectomy-after-percutaneous-coronary-intervention-in-lung-cancer-patients-with-concomitant-coronary-heart-disease
#15
Xin Li, YiLi Fu, JinBai Miao, Hui Li, Bin Hu
BACKGROUND: In recent years, based on clinical observations, the number of lung cancer patients with concomitant coronary heart disease (CHD) has gradually increased. However, because of the requirement of long-term anticoagulant therapy after percutaneous coronary intervention (PCI), some of these patients lose the opportunity for surgical treatment, resulting in tumor progression. The objective of this study was to determine the appropriate timing of video-assisted thoracic surgery (VATS) lobectomy after PCI without increasing perioperative cardiovascular risk...
July 27, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28748856/the-short-isoform-of-nuclear-mitotic-apparatus-protein-1-functions-as-a-putative-tumor-suppressor
#16
Wang-Sen Qin, Jin Wu, Yang Chen, Fa-Cai Cui, Fu-Ming Zhang, Guan-Ting Lyu, Hong-Mei Zhang
BACKGROUND: Nuclear mitotic apparatus protein 1 (NuMA1) had been reported to produce three groups of isoforms categorized as long, middle, and short groups, of which short NuMA displayed distinct localization patterns compared to long and middle isoforms. However, the function of short NuMA was not clear in the progress of cancer formation. This study aimed to unveil the role of short NuMA in cancer pathogenesis. METHODS: The expression levels of short isoforms were explored in paired gastric carcinoma (GC) samples and different cell lines...
August 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28748780/mir-133a-3p-targets-sumo-specific-protease-1-to-inhibit-cell-proliferation-and-cell-cycle-progress-in-colorectal-cancer
#17
Guo-Qiang Zhou, Fu Han, Zhi-Liang Shi, Liang Yu, Xue-Feng Li, Cheng Yu, Cheng-Long Shen, Dai-Wei Wan, Xin-Quo Zhu, Rui Li, Song-Bing He
Dysregulation of SUMO-specific protease 1(SENP1) expression has been reported in several kinds of cancer, including human colorectal and prostate cancers, proposing SENP1 as a oncogene with a critical role in cancer progression. MiR-133a-3p has been reported as a tumor suppressor in several malignant neoplasias. However, the precise molecular mechanisms underlying its role in colorectal cancer remain largely unknown. The aim of this work is to investigate the relationship between miR-133a-3p and SENP1 in colorectal cancer cells...
July 26, 2017: Oncology Research
https://www.readbyqxmd.com/read/28748718/diabetes-drugs-and-the-incidence-of-solid-cancers-a-survey-of-the-current-evidence
#18
Marco Tuccori, Irma Convertino, Maria Teresa Galiulo, Alessandra Marino, Alice Capogrosso-Sansone, Corrado Blandizzi
The evaluation of the relationship between the use of antidiabetic drug and the occurrence of cancer is extremely challenging, both from the clinical and pharmacoepidemiological standpoint. This narrative review described the current evidence supporting a relationship between the use of antidiabetic drugs and the incidence of solid cancers. Areas Covered: Data from pharmacoepidemiological studies on cancer incidence were presented for the main antidiabetic drugs and drug classes, including human insulin and insulin analogues, metformin, sulfonylureas, glinides, alpha-glucosidase inhibitors, thiazolidinediones, incretin mimetics, and sodium glucose co-transporter 2 inhibitors...
July 27, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28748501/a-step-by-step-microrna-guide-to-cancer-development-and-metastasis
#19
REVIEW
Georgios S Markopoulos, Eugenia Roupakia, Maria Tokamani, Evangelia Chavdoula, Maria Hatziapostolou, Christos Polytarchou, Kenneth B Marcu, Athanasios G Papavassiliou, Raphael Sandaltzopoulos, Evangelos Kolettas
BACKGROUND: Cancer is one of the leading causes of mortality. The neoplastic transformation of normal cells to cancer cells is caused by a progressive accumulation of genetic and epigenetic alterations in oncogenes, tumor suppressor genes and epigenetic regulators, providing cells with new properties, collectively known as the hallmarks of cancer. During the process of neoplastic transformation cells progressively acquire novel characteristics such as unlimited growth potential, increased motility and the ability to migrate and invade adjacent tissues, the ability to spread from the tumor of origin to distant sites, and increased resistance to various types of stresses, mostly attributed to the activation of genetic stress-response programs...
July 26, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28748454/recurrence-with-pagetoid-spread-arising-17%C3%A2-years-after-surgery-for-intramucosal-rectal-cancer-a-case-report
#20
Taichi Matsubara, Yuta Kasagi, Kippei Ogaki, Yu Nakaji, Ryota Nakanishi, Yuichiro Nakashima, Masahiko Sugiyama, Hideto Sonoda, Hiroshi Saeki, Eiji Oki, Yoshihiko Maehara
BACKGROUND: Perianal Paget's disease (pPD) is uncommon, with only about 180 cases documented in the literature. Anorectal carcinoma with pagetoid spread is even rarer. CASE PRESENTATION: An 81-year-old woman underwent rectal cancer extirpation with a transanal approach 17 years prior. She has since undergone two reoperations for local rectal cancer recurrence. Then, warts frequently appeared on the vulva on several occasions. Warts appeared on the vulva 1 year ago, which were diagnosed as pPD by biopsy...
December 2017: Surgical Case Reports
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