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https://www.readbyqxmd.com/read/28449470/impact-of-cyclooxygenase-2-and-prostaglandin-e2-expression-on-clinical-outcome-after-pulmonary-metastasectomy
#1
Christian Lang, Emilie Hrdliczka, Thomas Schweiger, Olaf Glueck, Gerrit Lewik, Stefan Schwarz, Alberto Benazzo, György Lang, Walter Klepetko, Konrad Hoetzenecker
BACKGROUND: Pulmonary metastasectomy (PM) is a standard procedure in the treatment of stage IV colorectal cancer (CRC). In most centers the indication for PM is solely based on clinical factors without taking the tumor biology into account. This results in diverse outcomes ranging from long-term remission to early recurrence. Inflammation is considered a hallmark of cancer development and progression. On the other hand the accessibility of CRC cells to the immune system reflects the grade of tumor aggressiveness...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28448473/transcriptomic-analysis-of-calcium-remodeling-in-colorectal-cancer
#2
Enrique Pérez-Riesgo, Lucía G Gutiérrez, Daniel Ubierna, Alberto Acedo, Mary P Moyer, Lucía Núñez, Carlos Villalobos
Colorectal cancer (CRC) cells undergo the remodeling of intracellular Ca(2+) homeostasis, which contributes to cancer hallmarks such as enhanced proliferation, invasion and survival. Ca(2+) remodeling includes critical changes in store-operated Ca(2+) entry (SOCE) and Ca(2+) store content. Some changes have been investigated at the molecular level. However, since nearly 100 genes are involved in intracellular Ca(2+) transport, a comprehensive view of Ca(2+) remodeling in CRC is lacking. We have used Next Generation Sequencing (NGS) to investigate differences in expression of 77 selected gene transcripts involved in intracellular Ca(2+) transport in CRC...
April 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28447797/signal-transductions-of-beas-2b-cells-in-response-to-carcinogenic-pm2-5-exposure-based-on-microfluidic-system
#3
Lulu Zheng, Sixiu Liu, Guoshun Zhuang, Jian Xu, Qi Liu, Xinlian Zhang, Congrui Deng, Zhigang Guo, Wang Zhao, Tingna Liu, Yiqi Wang, Yuxiao Zhang, Jing Lin, Qiongzhen Wang, Guodong Sui
PM2.5 (particulate matter less than 2.5 micrometers in diameter) is considered as a harmful carcinogen. Determining the precise relationship between the chemical constituents of PM2.5 in the air and cancer progression could aid the treatment of environment related disease and establishing risk reduction strategies. Herein, we used transcriptomics (RNA-seq) and integrated microfluidic system to identify the global gene expression and differential target proteins expression induced by ambient fine particles collected from the heavy haze in China...
April 27, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28446910/are-mast-cells-masters-in-cancer
#4
REVIEW
Gilda Varricchi, Maria Rosaria Galdiero, Stefania Loffredo, Giancarlo Marone, Raffaella Iannone, Gianni Marone, Francescopaolo Granata
Prolonged low-grade inflammation or smoldering inflammation is a hallmark of cancer. Mast cells form a heterogeneous population of immune cells with differences in their ultra-structure, morphology, mediator content, and surface receptors. Mast cells are widely distributed throughout all tissues and are stromal components of the inflammatory microenvironment that modulates tumor initiation and development. Although canonically associated with allergic disorders, mast cells are a major source of pro-tumorigenic (e...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28446878/computational-model-predicts-the-effects-of-targeting-cellular-metabolism-in-pancreatic-cancer
#5
Mahua Roy, Stacey D Finley
Reprogramming of energy metabolism is a hallmark of cancer that enables the cancer cells to meet the increased energetic requirements due to uncontrolled proliferation. One prominent example is pancreatic ductal adenocarcinoma, an aggressive form of cancer with an overall 5-year survival rate of 5%. The reprogramming mechanism in pancreatic cancer involves deregulated uptake of glucose and glutamine and other opportunistic modes of satisfying energetic demands in a hypoxic and nutrient-poor environment. In the current study, we apply systems biology approaches to enable a better understanding of the dynamics of the distinct metabolic alterations in KRAS-mediated pancreatic cancer, with the goal of impeding early cell proliferation by identifying the optimal metabolic enzymes to target...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28445515/correlation-of-histopathologic-characteristics-to-protein-expression-and-function-in-malignant-melanoma
#6
Charlotte Welinder, Krzysztof Pawłowski, A Marcell Szasz, Maria Yakovleva, Yutaka Sugihara, Johan Malm, Göran Jönsson, Christian Ingvar, Lotta Lundgren, Bo Baldetorp, Håkan Olsson, Melinda Rezeli, Thomas Laurell, Elisabet Wieslander, György Marko-Varga
BACKGROUND: Metastatic melanoma is still one of the most prevalent skin cancers, which upon progression has neither a prognostic marker nor a specific and lasting treatment. Proteomic analysis is a versatile approach with high throughput data and results that can be used for characterizing tissue samples. However, such analysis is hampered by the complexity of the disease, heterogeneity of patients, tumors, and samples themselves. With the long term aim of quest for better diagnostics biomarkers, as well as predictive and prognostic markers, we focused on relating high resolution proteomics data to careful histopathological evaluation of the tumor samples and patient survival information...
2017: PloS One
https://www.readbyqxmd.com/read/28443470/a-multi-target-protein-of-htertr-fam96a-presents-significant-anticancer-potent-in-the-treatment-of-hepatocellular-carcinoma
#7
Meng-Yu Zhang, Jie-Ping Wang
The abilities to escape apoptosis induced by anticancer drugs are an essential factor of carcinogenesis and a hallmark of resistance to cancer therapy. In this study, we identified hTERTR-FAM96A (human telomerase reverse transcriptase-family with sequence similarity 96 member A) as a new efficient agent for apoptosome-activating and anti-tumor protein and investigated the potential tumor suppressor function in hepatocellular carcinoma. The hTERTR-FAM96A fusion protein was constructed by genetic engineering and its anticancer function of hTERTR-FAM96A was explored in vitro and in vivo by investigating the possible preclinical outcomes...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28443245/overexpression-of-the-atpase-inhibitory-factor-1-favors-a-non-metastatic-phenotype-in-breast-cancer
#8
Lucía García-Ledo, Cristina Nuevo-Tapioles, Carmen Cuevas-Martín, Inmaculada Martínez-Reyes, Beatriz Soldevilla, Lucía González-Llorente, José M Cuezva
Partial suppression of mitochondrial oxidative phosphorylation and the concurrent activation of aerobic glycolysis is a hallmark of proliferating cancer cells. Overexpression of the ATPase inhibitory factor 1 (IF1), an in vivo inhibitor of the mitochondrial ATP synthase, is observed in most prevalent human carcinomas favoring metabolic rewiring to an enhanced glycolysis and cancer progression. Consistently, a high expression of IF1 in hepatocarcinomas and in carcinomas of the lung, bladder, and stomach and in gliomas is a biomarker of bad patient prognosis...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28441401/ancient-genes-establish-stress-induced-mutation-as-a-hallmark-of-cancer
#9
Luis Cisneros, Kimberly J Bussey, Adam J Orr, Milica Miočević, Charles H Lineweaver, Paul Davies
Cancer is sometimes depicted as a reversion to single cell behavior in cells adapted to live in a multicellular assembly. If this is the case, one would expect that mutation in cancer disrupts functional mechanisms that suppress cell-level traits detrimental to multicellularity. Such mechanisms should have evolved with or after the emergence of multicellularity. This leads to two related, but distinct hypotheses: 1) Somatic mutations in cancer will occur in genes that are younger than the emergence of multicellularity (1000 million years [MY]); and 2) genes that are frequently mutated in cancer and whose mutations are functionally important for the emergence of the cancer phenotype evolved within the past 1000 million years, and thus would exhibit an age distribution that is skewed to younger genes...
2017: PloS One
https://www.readbyqxmd.com/read/28440551/alternating-ph-landscapes-shape-epithelial-cancer-initiation-and-progression-focus-on-pancreatic-cancer
#10
REVIEW
Stine F Pedersen, Ivana Novak, Frauke Alves, Albrecht Schwab, Luis A Pardo
We present here the hypothesis that the unique microenvironmental pH landscape of acid-base transporting epithelia is an important factor in development of epithelial cancers, by rendering the epithelial and stromal cells pre-adapted to the heterogeneous extracellular pH (pHe ) in the tumor microenvironment. Cells residing in organs with net acid-base transporting epithelia such as the pancreatic ductal and gastric epithelia are exposed to very different, temporally highly variable pHe values apically and basolaterally...
April 25, 2017: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/28440452/bambi-overexpression-together-with-%C3%AE-sitosterol-ameliorates-nsclc-via-inhibiting-autophagy-and-inactivating-tgf-%C3%AE-smad2-3-pathway
#11
Xingchun Wang, Minjie Li, Mengyao Hu, Ping Wei, Wei Zhu
Non-small cell lung cancer (NSCLC) has the highest mortality rate among all solid tumors with a poor prognosis. The BMP and activin receptor membrane bound inhibitor (BAMBI) has been identified as a hallmark of NSCLC and β-sitosterol possesses antitumor potentiality. This study explores the effect of BAMBI overexpression and β-sitosterol in the context of NSCLC. The results revealed that the transfection of pcDNA‑BAMBI and β-sitosterol treatment significantly reduced the levels of autophagy markers light chain 3 (LC3) II and Beclin 1, whereas the levels of LC3 I and p62 were promoted...
May 2017: Oncology Reports
https://www.readbyqxmd.com/read/28438434/connective-tissue-growth-factor-decreases-mitochondrial-metabolism-through-ubiquitin-mediated-degradation-of-mitochondrial-transcription-factor-a-in-oral-squamous-cell-carcinoma
#12
Wei-Ting Lai, Yue-Ju Li, Shi-Bei Wu, Cheng-Ning Yang, Tai-Sheng Wu, Yau-Huei Wei, Yi-Ting Deng
BACKGROUND/PURPOSE: Deregulation of metabolic pathways is one of the hallmarks of cancer progression. Connective tissue growth factor (CTGF/CCN2) acts as a tumor suppressor in oral squamous cell carcinoma (OSCC). However, the role of CTGF in modulating cancer metabolism is still unclear. METHODS: OSCC cells stably overexpressing CTGF (SAS/CTGF) and shRNA against CTGF (TW2.6/shCTGF) were established. Oxygen consumption rate (OCR) and extracellular acidification rate (ECAR) were examined by the Seahorse XF24 analyzer...
April 21, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28438340/applications-of-phlip-technology-for-cancer-imaging-and-therapy
#13
REVIEW
Linden C Wyatt, Jason S Lewis, Oleg A Andreev, Yana K Reshetnyak, Donald M Engelman
Acidity is a biomarker of cancer that is not subject to the blunting clonal selection effects that reduce the efficacy of other biomarker technologies, such as antibody targeting. The pH (low) insertion peptides (pHLIP(®)s) provide new opportunities for targeting acidic tissues. Through the physical mechanism of membrane-associated folding, pHLIPs are triggered by the acidic microenvironment to insert and span the membranes of tumor cells. The pHLIP platform can be applied to imaging acidic tissues, delivering cell-permeable and impermeable molecules to the cytoplasm, and promoting the cellular uptake of nanoparticles...
April 21, 2017: Trends in Biotechnology
https://www.readbyqxmd.com/read/28438180/recent-advances-of-highly-selective-cdk4-6-inhibitors-in-breast-cancer
#14
REVIEW
Hanxiao Xu, Shengnan Yu, Qian Liu, Xun Yuan, Sridhar Mani, Richard G Pestell, Kongming Wu
Uncontrolled cell division is the hallmark of cancers. Full understanding of cell cycle regulation would contribute to promising cancer therapies. In particular, cyclin-dependent kinases 4/6 (CDK4/6), which are pivotal drivers of cell proliferation by combination with cyclin D, draw more and more attention. Subsequently, extensive studies were carried out to explore drugs inhibiting CDK4/6 and assess the efficacy and safety of these drugs in cancer, especially breast cancer. Due to the insuperable adverse events and the less activity observed in vivo, the drug development of the initial pan-CDK inhibitor flavopiridol was consequently discontinued, and then highly specific inhibitors were extensively researched and developed, including palbociclib (PD0332991), ribociclib (LEE011), and abemaciclib (LY2835219)...
April 24, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28436968/metabolic-control-of-primed-human-pluripotent-stem-cell-fate-and-function-by-the-mir-200c-sirt2-axis
#15
Young Cha, Min-Joon Han, Hyuk-Jin Cha, Janet Zoldan, Alison Burkart, Jin Hyuk Jung, Yongwoo Jang, Chun-Hyung Kim, Ho-Chang Jeong, Byung-Gyu Kim, Robert Langer, C Ronald Kahn, Leonard Guarente, Kwang-Soo Kim
A hallmark of cancer cells is the metabolic switch from oxidative phosphorylation (OXPHOS) to glycolysis, a phenomenon referred to as the 'Warburg effect', which is also observed in primed human pluripotent stem cells (hPSCs). Here, we report that downregulation of SIRT2 and upregulation of SIRT1 is a molecular signature of primed hPSCs and that SIRT2 critically regulates metabolic reprogramming during induced pluripotency by targeting glycolytic enzymes including aldolase, glyceraldehyde-3-phosphate dehydrogenase, phosphoglycerate kinase, and enolase...
April 24, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28436949/p14arf-interacts-with-the-focal-adhesion-kinase-and-protects-cells-from-anoikis
#16
M Vivo, R Fontana, M Ranieri, G Capasso, T Angrisano, A Pollice, V Calabrò, G La Mantia
The ARF protein functions as an important sensor of hyper-proliferative stimuli restricting cell proliferation through both p53-dependent and -independent pathways. Although to date the majority of studies on ARF have focused on its anti-proliferative role, few studies have addressed whether ARF may also have pro-survival functions. Here we show for the first time that during the process of adhesion and spreading ARF re-localizes to sites of active actin polymerization and to focal adhesion points where it interacts with the phosphorylated focal adhesion kinase...
April 24, 2017: Oncogene
https://www.readbyqxmd.com/read/28434617/stem-cell-lineage-infidelity-drives-wound-repair-and-cancer
#17
Yejing Ge, Nicholas C Gomez, Rene C Adam, Maria Nikolova, Hanseul Yang, Akanksha Verma, Catherine Pei-Ju Lu, Lisa Polak, Shaopeng Yuan, Olivier Elemento, Elaine Fuchs
Tissue stem cells contribute to tissue regeneration and wound repair through cellular programs that can be hijacked by cancer cells. Here, we investigate such a phenomenon in skin, where during homeostasis, stem cells of the epidermis and hair follicle fuel their respective tissues. We find that breakdown of stem cell lineage confinement-granting privileges associated with both fates-is not only hallmark but also functional in cancer development. We show that lineage plasticity is critical in wound repair, where it operates transiently to redirect fates...
April 19, 2017: Cell
https://www.readbyqxmd.com/read/28433505/chemotherapy-induces-alternative-transcription-and-splicing-facts-and-hopes-for-cancer-treatment
#18
Charles A Lambert, Nancy Garbacki, Alain C Colige
Alternative promoter usage, alternative splicing and alternative cleavage/polyadenylation (referred here as to alternative transcription and splicing) are main instruments to diversify the transcriptome from a limited set of genes. There is a good deal of evidence that chemotherapeutic drugs affect these processes, but the therapeutic incidence of these effects is poorly documented. The scope of this study is to review the impact of chemotherapy on alternative transcription and splicing and to discuss potential implications in cancer therapy...
April 19, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28431931/peroxiredoxin-5-promotes-the-epithelial-mesenchymal-transition-in-colon-cancer
#19
Hye-Mi Ahn, Jin-Woo Yoo, Seunghoon Lee, Hong Jun Lee, Hyun-Shik Lee, Dong-Seok Lee
Globally, colorectal cancer (CRC) is common cause of cancer-related deaths. The high mortality rate of patients with colon cancer is due to cancer cell invasion and metastasis. Initiation of the epithelial-to-mesenchymal transition (EMT) is essential for the tumorigenesis. Peroxiredoinxs (PRX1-6) have been reported to be overexpressed in various tumor tissues, and involved to be responsible for tumor progression. However, the exact role of PRX5 in colon cancer remains to be investigated enhancing proliferation and promoting EMT properties...
April 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28431380/recent-aspects-of-uranium-toxicology-in-medical-geology
#20
REVIEW
Geir Bjørklund, Olav Albert Christophersen, Salvatore Chirumbolo, Olle Selinus, Jan Aaseth
Uranium (U) is a chemo-toxic, radiotoxic and even a carcinogenic element. Due to its radioactivity, the effects of U on humans health have been extensively investigated. Prolonged U exposure may cause kidney disease and cancer. The geological distribution of U radionuclides is still a great concern for human health. Uranium in groundwater, frequently used as drinking water, and general environmental pollution with U raise concerns about the potential public health problem in several areas of Asia. The particular paleo-geological hallmark of India and other Southern Asiatic regions enhances the risk of U pollution in rural and urban communities...
April 18, 2017: Environmental Research
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