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https://www.readbyqxmd.com/read/28327095/interferon-signaling-in-ascites-associated-macrophages-is-linked-to-a-favorable-clinical-outcome-in-a-subgroup-of-ovarian-carcinoma-patients
#1
Till Adhikary, Annika Wortmann, Florian Finkernagel, Sonja Lieber, Andrea Nist, Thorsten Stiewe, Uwe Wagner, Sabine Müller-Brüsselbach, Silke Reinartz, Rolf Müller
BACKGROUND: Although tumor-associated macrophages (TAMs) are essential for cancer progression, connections between different clinical outcomes and transcriptional networks have not been reported. We have addressed this issue by analyzing global expression patterns of TAMs isolated from the ascites of ovarian cancer patients. RESULTS: TAMs isolated from different ovarian cancer patients can be stratified by coexpression or principal component analysis into subgroups with specific biological features and associated with distinct clinical outcomes...
March 21, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28325915/prognostic-value-of-ca20-a-score-based-on-centrosome-amplification-associated-genes-in-breast-tumors
#2
Angela Ogden, Padmashree C G Rida, Ritu Aneja
Centrosome amplification (CA) is a hallmark of cancer, observable in ≥75% of breast tumors. CA drives aggressive cellular phenotypes such as chromosomal instability (CIN) and invasiveness. Thus, assessment of CA may offer insights into the prognosis of breast cancer and identify patients who might benefit from centrosome declustering agents. However, it remains unclear whether CA is correlated with clinical outcomes after adjusting for confounding factors. To gain insights, we developed a signature, "CA20", comprising centrosome structural genes and genes whose dysregulation is implicated in inducing CA...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28325264/role-of-ketogenic-metabolic-therapy-in-malignant-glioma-a-systematic-review
#3
REVIEW
Sebastian F Winter, Franziska Loebel, Jorg Dietrich
BACKGROUND: Coined as the "Warburg effect" and a recognized hallmark of cancer, energy metabolism is aberrantly geared towards aerobic glycolysis in most human cancers, including malignant glioma. Ketogenic metabolic therapy (KMT), i.e. nutritional intervention with ketogenic or low-glycemic diets, has been proposed as an anti-neoplastic strategy in glioma patients. MATERIALS AND METHODS: We here review the rationale and existing data investigating KMT in management of patients with malignant glioma and discuss the promise and potential challenges of this novel strategy...
April 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28325263/lipid-metabolism-and-lung-cancer
#4
REVIEW
María Merino Salvador, Marta Gómez de Cedrón, Juan Merino Rubio, Sandra Falagán Martínez, Ruth Sánchez Martínez, Enrique Casado, Ana Ramírez de Molina, María Sereno
Lung cancer is currently one of the most serious health issues in developed and developing countries. There are multiple available treatment options; however survival still remains very poor. Despite metabolism alteration being one of the hallmarks described in human cancer, lipid metabolism disorders are less known. They are recently becoming more important in this setting and therefore achieving a deeper knowledge might be helpful to obtain new strategies to accurate diagnosis, estimate prognosis, and develop therapeutic agents based on bioactive compounds such as cerulenin, SCD1, ACLY inhibitors, statins, polyphenolic compounds, etc...
April 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28325212/chemokine-receptor-signaling-and-the-hallmarks-of-cancer
#5
R A Lacalle, R Blanco, L Carmona-Rodríguez, A Martín-Leal, E Mira, S Mañes
The chemokines are a family of chemotactic cytokines that mediate their activity by acting on seven-transmembrane-spanning G protein-coupled receptors. Both the ability of the chemokines and their receptors to form homo- and heterodimers and the promiscuity of the chemokine-chemokine receptor interaction endow this protein family with enormous signaling plasticity and complexity that are not fully understood at present. Chemokines were initially identified as essential regulators of homeostatic and inflammatory trafficking of innate and adaptive leucocytes from lymphoid organs to tissues...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28325210/breast-cancer-immunology-and-immunotherapy-current-status-and-future-perspectives
#6
L de la Cruz-Merino, M Chiesa, R Caballero, F Rojo, N Palazón, F H Carrasco, V Sánchez-Margalet
Cancer immunology has gained renewed interest in the past few years due to emerging findings on mechanisms involved in tumoral immune evasion. Indisputably, immune edition is currently considered a critical hallmark of cancer. Basic research has revealed new targets which can be modulated in the clinical setting with new compounds and strategies. As recent evidence confirms, breast cancer (BC) is a complex and heterogeneous disease in which host immune responses play a substantial role. T-infiltrating lymphocytes measurement is suggested as a powerful new tool necessary to predict early BC evolution, especially in HER2-positive and triple negative subtypes...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28319063/compromised-brca1-palb2-interaction-is-associated-with-breast-cancer-risk
#7
T K Foo, M Tischkowitz, S Simhadri, T Boshari, N Zayed, K A Burke, S H Berman, P Blecua, N Riaz, Y Huo, Y C Ding, S L Neuhausen, B Weigelt, J S Reis-Filho, W D Foulkes, B Xia
The major breast cancer suppressor proteins BRCA1 and BRCA2 play essential roles in homologous recombination (HR)-mediated DNA repair, which is thought to be critical for tumor suppression. The two BRCA proteins are linked by a third tumor suppressor, PALB2, in the HR pathway. While truncating mutations in these genes are generally pathogenic, interpretation of missense variants remains a challenge. To date, patient-derived missense variants that disrupt PALB2 binding have been identified in BRCA1 and BRCA2; however, there has not been sufficient evidence to prove their pathogenicity in humans, and no variants in PALB2 that disrupt either its BRCA1 or BRCA2 binding have been reported...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28319045/akt-mediated-stabilization-of-histone-methyltransferase-whsc1-promotes-prostate-cancer-metastasis
#8
Ni Li, Wei Xue, Huairui Yuan, Baijun Dong, Yufeng Ding, Yongfeng Liu, Min Jiang, Shan Kan, Tongyu Sun, Jiale Ren, Qiang Pan, Xiang Li, Peiyuan Zhang, Guohong Hu, Yan Wang, Xiaoming Wang, Qintong Li, Jun Qin
Loss of phosphatase and tensin homolog (PTEN) and activation of the PI3K/AKT signaling pathway are hallmarks of prostate cancer (PCa). However, these alterations alone are insufficient for cells to acquire metastatic traits. Here, we have shown that the histone dimethyl transferase WHSC1 critically drives indolent PTEN-null tumors to become metastatic PCa. In a PTEN-null murine PCa model, WHSC1 overexpression in prostate epithelium cooperated with Pten deletion to produce a metastasis-prone tumor. Conversely, genetic ablation of Whsc1 prevented tumor progression in PTEN-null mice...
March 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28317579/the-influence-of-neural-invasion-on-survival-and-tumor-recurrence-in-pancreatic-ductal-adenocarcinoma-a-systematic-review-and-meta-analysis
#9
REVIEW
Stephan Schorn, Ihsan Ekin Demir, Bernhard Haller, Florian Scheufele, Carmen Mota Reyes, Elke Tieftrunk, Mine Sargut, Ruediger Goess, Helmut Friess, Güralp Onur Ceyhan
OBJECTIVES: To assess the impact of neural invasion/NI on overall survival/OS and tumor recurrence in pancreatic ductal adenocarcinoma/PDAC. SUMMARY BACKGROUND DATA: NI is a histopathological hallmark of PDAC. Although some studies suggested an important role for NI on OS, disease-free/DFS and progression-free survival/PFS in PDAC, there is still no consensus on the actual role of NI on survival and local recurrence in PDAC. METHODS: Pubmed, Cochrane library, Ovid and Google Scholar were screened for the terms "pancreatic ductal adenocarcinoma", "pancreatic cancer", "survival", "tumor recurrence" and "perineural invasion"...
March 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28314935/a-disease-with-a-sweet-tooth-exploring-the-warburg-effect-in-alzheimer-s-disease
#10
REVIEW
Anna Atlante, Lidia de Bari, Antonella Bobba, Giuseppina Amadoro
After more than 80 years from the revolutionary discoveries of Otto Warburg, who observed high glucose dependency, with increased glycolysis and lactate production regardless of oxygen availability in most cancer cells, the 'Warburg effect' returns to the fore in neuronal cells affected by Alzheimer's disease (AD). Indeed, it seems that, in the mild phase of AD, neuronal cells "prefer" to use the energetically inefficient method of burning glucose by glycolysis, as in cancer, proving to become resistant to β-amyloid (Aβ)-dependent apoptosis...
March 17, 2017: Biogerontology
https://www.readbyqxmd.com/read/28304082/molecular-mechanisms-of-tumor-invasion-regulation-by-calcium-signals
#11
Oksana Iamshanova, Alessandra Fiorio Pla, Natalia Prevarskaya
Intracellular calcium (Ca(2+) ) signals are key regulators of multiple cellular functions: both healthy and physiopathological. It is therefore unsurprising that several cancers present a strong Ca(2+) homeostasis deregulation. Among the various hallmarks of cancer disease, a particular role is played by metastasis, which has a critical impact on cancer patients' outcome. Importantly, Ca(2+) signalling has been reported to control multiple aspects of the adaptive metastatic cancer cell behaviour, including epithelial-mesenchymal transition, cell migration, local invasion and induction of angiogenesis (see Abstract Figure)...
March 17, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28301735/glutaminolysis-a-hallmark-of-cancer-metabolism
#12
Lifeng Yang, Sriram Venneti, Deepak Nagrath
Glutamine is the most abundant circulating amino acid in blood and muscle and is critical for many fundamental cell functions in cancer cells, including synthesis of metabolites that maintain mitochondrial metabolism; generation of antioxidants to remove reactive oxygen species; synthesis of nonessential amino acids (NEAAs), purines and pyrimidines, and fatty acids for cellular replication; and activation of cell signaling. In light of the pleiotropic role of glutamine in cancer cells, a comprehensive understanding of glutamine metabolism is essential for the development of metabolic therapeutic strategies for targeting cancer cells...
March 8, 2017: Annual Review of Biomedical Engineering
https://www.readbyqxmd.com/read/28301379/hypothesis-robophera-a-phosphatase-and-tensin-homolog-targeted-antineoplastic-therapy
#13
Arsalan Azimi, Arian Azimi
Phosphatase and tensin homolog (PTEN) is a protein that regulates cellular response to growth/antigrowth signals, cell survival, apoptosis, proliferation, angiogenesis, and cellular migration. Impairments in these processes are the main hallmarks of cancer, and reduced expression, activity, or stability of PTEN are among the most common etiologies of diverse types of sporadic cancers. Rosiglitazone (RO), bortezomib (BO), phosphatidylserine (PH), ethanol (E), and radiotherapy (RA) (ROBOPHERA) stimulate the expression and increase the activity of PTEN...
April 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28300842/cd95-ligand-induces-senescence-in-mismatch-repair-deficient-human-colon-cancer-via-chronic-caspase-mediated-induction-of-dna-damage
#14
Danielle A Raats, Nicola Frenkel, Susanne J van Schelven, Inne HMBorel Rinkes, Jamila Laoukili, Onno Kranenburg
CD95 is best known for its ability to induce apoptosis via a well-characterized pathway involving caspase-mediated proteolytic events. However, in apoptosis-resistant cell lines of diverse cancer types stimulation of CD95 primarily has pro-tumorigenic effects that affect many of the hallmarks of cancer. For instance, in colon cancer cells with a mutant KRAS gene CD95 primarily promotes invasion and metastasis. In the current study, we further investigated the context dependency of the consequences of CD95 activation in colon cancer...
March 16, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28299790/tc-mps1-12-a-novel-mps1-inhibitor-suppresses-a-growth-of-hepatocellular-carcinoma-cells-via-accumulated-chromosomal-instability
#15
Minji Choi, Yoo Hong Min, Jaehyuk Pyo, Chang-Woo Lee, Chang-Young Jang, Ja-Eun Kim
BACKGROUND AND PURPOSE: Chromosomal instability is not only a hallmark of cancer, but also an attractive therapeutic target. A diverse set of mitotic kinases maintains chromosomal stability. One of these is monopolar spindle 1 (Mps1), which is essential for chromosome alignment and for the spindle assembly checkpoint (SAC). Pharmacological inhibition of Mps1 has been suggested as a cancer therapeutic; however, despite the existence of a novel Mps1 inhibitor, TC Mps1 12, no such studies have been performed...
March 15, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28298603/african-swine-fever-virus-np868r-capping-enzyme-promotes-reovirus-rescue-during-reverse-genetics-by-promoting-reovirus-protein-expression-virion-assembly-and-rna-incorporation-into-infectious-virions
#16
Heather E Eaton, Takeshi Kobayashi, Terence S Dermody, Randal N Johnston, Philippe H Jais, Maya Shmulevitz
Reoviruses, like many eukaryotic viruses, contain an inverted 7-methylguanosine (m7G) cap linked to the 5' nucleotide of mRNA. Traditional functions of capping are to promote mRNA stability, protein translation, and concealment from cellular proteins that recognize foreign RNA. To address the role of mRNA capping during reovirus replication, we assessed the benefits of adding the African swine fever virus NP868R capping enzyme. C3P3, a fusion protein containing T7 RNA polymerase and NP868R, was found to increase protein expression 5 to 10-fold, as compared to T7 RNA polymerase alone, while enhancing reovirus rescue from the current reverse genetics system by 100-fold...
March 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28296148/dimp53-1-a-novel-small-molecule-dual-inhibitor-of-p53-mdm2-x-interactions-with-multifunctional-p53-dependent-anticancer-properties
#17
Joana Soares, Margarida Espadinha, Liliana Raimundo, Helena Ramos, Ana Sara Gomes, Sara Gomes, Joana B Loureiro, Alberto Inga, Flávio Reis, Célia Gomes, Maria M M Santos, Lucília Saraiva
The transcription factor p53 plays a crucial role in cancer development and dissemination, and thus p53-targeted therapies are amongst the most encouraging anticancer strategies. In human cancers with wild-type (wt) p53, its inactivation by interaction with murine double minute (MDM)2 and MDMX is a common event. Simultaneous inhibition of the p53 interaction with both MDMs is crucial to restore the tumor suppressor activity of p53. Here we describe the synthesis of the new tryptophanol-derived oxazoloisoindolinone DIMP53-1 and identify its activity as a dual inhibitor of the p53-MDM2/X interactions using a yeast-based assay...
March 10, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28294977/phosphoinositides-major-actors-in-membrane-trafficking-and-lipid-signaling-pathways
#18
REVIEW
Johan-Owen De Craene, Dimitri L Bertazzi, Séverine Bär, Sylvie Friant
Phosphoinositides are lipids involved in the vesicular transport of proteins and lipids between the different compartments of eukaryotic cells. They act by recruiting and/or activating effector proteins and thus are involved in regulating various cellular functions, such as vesicular budding, membrane fusion and cytoskeleton dynamics. Although detected in small concentrations in membranes, their role is essential to cell function, since imbalance in their concentrations is a hallmark of many cancers. Their synthesis involves phosphorylating/dephosphorylating positions D3, D4 and/or D5 of their inositol ring by specific lipid kinases and phosphatases...
March 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28292957/psma-redirects-cell-survival-signaling-from-the-mapk-to-the-pi3k-akt-pathways-to-promote-the-progression-of-prostate-cancer
#19
Leslie Ann Caromile, Kristina Dortche, M Mamunur Rahman, Christina L Grant, Christopher Stoddard, Fernando A Ferrer, Linda H Shapiro
Increased abundance of the prostate-specific membrane antigen (PSMA) on prostate epithelium is a hallmark of advanced metastatic prostate cancer (PCa) and correlates negatively with prognosis. However, direct evidence that PSMA functionally contributes to PCa progression remains elusive. We generated mice bearing PSMA-positive or PSMA-negative PCa by crossing PSMA-deficient mice with transgenic PCa (TRAMP) models, enabling direct assessment of PCa incidence and progression in the presence or absence of PSMA...
March 14, 2017: Science Signaling
https://www.readbyqxmd.com/read/28292266/microrna-categorization-using-sequence-motifs-and-k-mers
#20
Malik Yousef, Waleed Khalifa, İlhan Erkin Acar, Jens Allmer
BACKGROUND: Post-transcriptional gene dysregulation can be a hallmark of diseases like cancer and microRNAs (miRNAs) play a key role in the modulation of translation efficiency. Known pre-miRNAs are listed in miRBase, and they have been discovered in a variety of organisms ranging from viruses and microbes to eukaryotic organisms. The computational detection of pre-miRNAs is of great interest, and such approaches usually employ machine learning to discriminate between miRNAs and other sequences...
March 14, 2017: BMC Bioinformatics
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