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https://www.readbyqxmd.com/read/29773261/perioperative-transfusion-management-in-gastric-cancer-surgery-analysis-of-the-spanish-subset-of-the-eurecca-oesophago-gastric-cancer-registry
#1
Javier Osorio, Carlos Jericó, Coro Miranda, Elisenda Garsot, Alexis Luna, Mónica Miró, Maite Santamaría, Eva Artigau, Joaquín Rodríguez-Santiago, Sandra Castro, Josep Feliu, Aurora Aldeano, Carles Olona, Dulce Momblan, David Ruiz, Gonzalo Galofré, Inmaculada Pros, Xabier García-Albéniz, Miguel Lozano, Manuel Pera
INTRODUCTION: This study evaluated allogenic packed red blood cell (aPRBC) transfusion rates in patients undergoing resection for gastric cancer and the implementation of blood-saving protocols (BSP). METHODS: Retrospective study of all gastric cancer patients operated on with curative intent in Catalonia and Navarra (2011-2013) and included in the Spanish subset of the EURECCA Oesophago-Gastric Cancer Registry. Hospitals with BSP were defined as those with a preoperative haemoglobin (Hb) optimisation circuit associated with restrictive transfusion strategies...
May 14, 2018: Cirugía Española
https://www.readbyqxmd.com/read/29772755/temozolomide-enhances-triple-negative-breast-cancer-virotherapy-in-vitro
#2
Rodolfo Garza-Morales, Roxana Gonzalez-Ramos, Akiko Chiba, Roberto Montes de Oca-Luna, Lacey R McNally, Kelly M McMasters, Jorge G Gomez-Gutierrez
Triple-negative breast cancer (TNBC) is one of the most aggressive types of cancer, and treatment is limited to chemotherapy and radiation. Oncolytic virotherapy may be a promising approach to treat TNBC. However, oncolytic adenovirus (OAd)-based mono-therapeutic clinical trials have resulted in modest outcomes. The OAd potency could be increased by chemotherapy-induced autophagy, an intracellular degradation system that delivers cytoplasmic constituents to the lysosome. In this study, the ability of alkylating agent temozolomide (TMZ)-induced autophagy to increase OAd replication and oncolysis in TNBC cells was evaluated...
May 17, 2018: Cancers
https://www.readbyqxmd.com/read/29769005/adenosine-synthetic-methods-of-its-derivatives-and-antitumor-activity
#3
Margarita Gutierrez, Francisco Valdes, Victor Luna, Barbara Arevalo, Nelson Brown
Since 1929, several researchers have conducted studies in relation the nucleoside of adenosine (1) mainly distribution identifying, characterizing their biological importance and synthetic chemistry to which this type of molecule has been subjected to obtain multiple of its derivatives. The receptors that interact with adenosine and its derivatives, called purinergic receptors, are classified as A1, A2A, A2B and A3. In the presence of agonists and antagonists, these receptors are involved in various physiological processes and diseases...
May 16, 2018: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/29764855/magnetic-resonance-imaging-of-tumor-associated-macrophages-clinical-translation
#4
Maryam Aghighi, Ashok Joseph Theruvath, Anuj Pareek, Laura Pisani, Raphael Alford, Anne Monika Muehe, Tarsheen K Sethi, Samantha J Holdsworth, Florette K Hazard, Dita Gratzinger, Sandra Luna-Fineman, Ranjana H Advani, Sheri L Spunt, Heike E Daldrup-Link
PURPOSE: Tumor associated macrophages (TAM) in malignant tumors have been linked to tumor aggressiveness and represent a new target for cancer immunotherapy. As new TAM-targeted immunotherapies are entering clinical trials, it is important to detect and quantify TAM with non-invasive imaging techniques. The purpose of this study was to determine if ferumoxytol-enhanced MRI can detect TAM in lymphomas and bone sarcomas of pediatric patients and young adults. EXPERIMENTAL DESIGN: In a first-in-patient , IRB-approved prospective clinical trial, 25 pediatric and young adult patients with lymphoma or bone sarcoma underwent ferumoxytol-enhanced MRI...
May 15, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29756979/prevention-of-oral-mucositis-secondary-to-antineoplastic-treatments-in-head-and-neck-cancer-by-supplementation-with-oral-glutamine
#5
Jerónimo Pachón Ibáñez, José Luis Pereira Cunill, Guiovana Fernanda Osorio Gómez, Jose Antonio Irles Rocamora, Pilar Serrano Aguayo, Begoña Quintana Ángel, José Fuentes Pradera, Manuel Chaves Conde, María José Ortiz Gordillo, Pedro Pablo García Luna
OBJECTIVES: to evaluate the efficacy of glutamine in the prevention of the incidence of oral mucositis secondary to cancer therapies in patients with head and neck cancer (HNC). Secondary objectives were to know the incidence of odynophagia, interruptions of treatment and the requirements of analgesia and nasogastric tube. MATERIAL AND METHODS: prospective cohort study of patients with squamous cell carcinoma of HNC treated with radiotherapy ± concomitant chemotherapy...
February 27, 2018: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29745344/selection-of-g1-paba-as-a-gper1-ligand-compared-to-phenol-red-via-a-ligand-based-virtual-screening-coupled-to-molecular-dynamics-simulations-and-its-anti-proliferative-effects-on-breast-cancer-cells
#6
Correa-Basurto Jose, Jose G Trujillo-Ferrara, Mendoza-Lujambio Irene, Duenas-Gonzalez Alfonso, Chavez-Blanco Alma, Martinez-Archundia Marlet, M Bello, Garcia Sanchez Jose Ruben, Fragoso-Vazquez Manuel Jonathan, Mendez-Luna David, Prestegui-Martel Berenice, Martinez-Munoz Alberto
Recent reports have demonstrated the role of the G protein-coupled estrogen receptor (GPER1) on the growth and proliferation of breast cancer cells. The coupling of GPER1 to estrogen, tamoxifen or fulvestrant triggers cellular signaling pathways (PI3K and ERK) related to cell proliferation. In an effort to develop new therapeutic strategies against breast cancer, we performed an in silico study to explore the binding pose of a set of designed G15 and G1 analogue compounds, including phenol red. First, we included a carboxyl group instead of the acetyl group from G1 to form amides with several moieties to increase the affinity for GPER1...
May 10, 2018: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/29742440/dyrk1a-kinase-positively-regulates-angiogenic-responses-in-endothelial-cells
#7
Esteban J Rozen, Julia Roewenstrunk, María José Barallobre, Chiara Di Vona, Carole Jung, Ana F Figueiredo, Jeroni Luna, Cristina Fillat, Maria L Arbonés, Mariona Graupera, Miguel A Valverde, Susana de la Luna
Angiogenesis is a highly regulated process essential for organ development and maintenance, and its deregulation contributes to inflammation, cardiac disorders, and cancer. The Ca2+ /nuclear factor of activated T cells (NFAT) signaling pathway is central to endothelial cell angiogenic responses, and it is activated by stimuli like vascular endothelial growth factor (VEGF) A. NFAT phosphorylation by dual-specificity tyrosine phosphorylation-regulated kinases (DYRKs) is thought to be an inactivating event. Contrary to expectations, we show that the DYRK family member DYRK1A positively regulates VEGF-dependent NFAT transcriptional responses in primary endothelial cells...
May 8, 2018: Cell Reports
https://www.readbyqxmd.com/read/29733248/antitumor-response-by-endoplasmic-reticulum-targeting-dna-vaccine-is-improved-by-adding-a-kdel-retention-signal
#8
José J Pérez-Trujillo, Olivia A Robles-Rodríguez, Rodolfo Garza-Morales, Aracely García-García, Humberto Rodríguez-Rocha, Arnulfo Villanueva-Olivo, Juan C Segoviano-Ramírez, Sandra C Esparza-González, Odila Saucedo-Cárdenas, Roberto Montes-de-Oca-Luna, María J Loera-Arias
Directing an antigen to the endoplasmic reticulum (ER) improves the antigen-specific immune response, revealing a potentially useful strategy in cancer immunotherapy using tumor-associated antigens (TAAs). This can be achieved by fusing the antigen to an ER chaperone protein, such as calreticulin (CRT). We previously reported the antitumor response by fusing the CRT signal peptide (SP) and its ER retention sequence (KDEL) to full-length human papillomavirus type 16 (HPV-16) E6 and E7 antigens, obtaining a potent antitumoral effect...
May 7, 2018: Nucleic Acid Therapeutics
https://www.readbyqxmd.com/read/29725535/defects-in-homologous-recombination-repair-genes-are-associated-with-good-prognosis-and-clinical-sensitivity-to-dna-damaging-agents-in-pancreatic-cancer-a-case-report
#9
Amir Sonnenblick, Aviad Zick, Myriam Maoz, Sherri Cohen, Luna Kadouri, Tamar Peretz, Ayala Hubert
Tumor genome sequencing is important for increasing our understanding of the development of cancer, which may be affected by different therapies. In the present study, genomic evolution was investigated in a patient with stage IV pancreatic cancer bearing a germline breast cancer 2 ( BRCA2 ) mutation. The patient received cisplatin, a DNA cross-linking agent, which led to a long-lasting complete response. Eventually the patient developed brain metastasis, suggesting the acquisition of resistance to cisplatin...
May 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29713615/lung-nodule-detection-via-deep-reinforcement-learning
#10
Issa Ali, Gregory R Hart, Gowthaman Gunabushanam, Ying Liang, Wazir Muhammad, Bradley Nartowt, Michael Kane, Xiaomei Ma, Jun Deng
Lung cancer is the most common cause of cancer-related death globally. As a preventive measure, the United States Preventive Services Task Force (USPSTF) recommends annual screening of high risk individuals with low-dose computed tomography (CT). The resulting volume of CT scans from millions of people will pose a significant challenge for radiologists to interpret. To fill this gap, computer-aided detection (CAD) algorithms may prove to be the most promising solution. A crucial first step in the analysis of lung cancer screening results using CAD is the detection of pulmonary nodules, which may represent early-stage lung cancer...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29676964/advanced-imaging-techniques-in-evaluation-of-colorectal-cancer
#11
Roberto García-Figueiras, Sandra Baleato-González, Anwar R Padhani, Antonio Luna-Alcalá, Ana Marhuenda, Joan C Vilanova, Iria Osorio-Vázquez, Anxo Martínez-de-Alegría, Antonio Gómez-Caamaño
Imaging techniques are clinical decision-making tools in the evaluation of patients with colorectal cancer (CRC). The aim of this article is to discuss the potential of recent advances in imaging for diagnosis, prognosis, therapy planning, and assessment of response to treatment of CRC. Recent developments and new clinical applications of conventional imaging techniques such as virtual colonoscopy, dual-energy spectral computed tomography, elastography, advanced computing techniques (including volumetric rendering techniques and machine learning), magnetic resonance (MR) imaging-based magnetization transfer, and new liver imaging techniques, which may offer additional clinical information in patients with CRC, are summarized...
April 20, 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29671223/laparoscopic-paraaortic-surgical-staging-in-locally-advanced-cervical-cancer-a-single-center-experience
#12
D Vázquez-Vicente, B Fernández Del Bas, J García Villayzán, H A Di Fiore, J Luna Tirado, V Casado Echarren, J García-Foncillas, J Plaza Arranz, L Chiva
BACKGROUND: One aim of this study was to assess the efficacy and safety of laparoscopic paraaortic lymphadenectomy for paraaortic lymph node staging in locally advanced cervical carcinoma. The second aim was to identify prognostic factors in the evolution of this disease and to evaluate how the results of the surgery modify the oncological treatment of patients. MATERIALS AND METHODS: We analyzed 59 patients diagnosed with locally advanced cervical cancer International Federation of Gynecology and Obstetrics stage IB2-IVA who underwent laparoscopic paraaortic lymphadenectomy at our hospital between 2009 and 2015...
April 18, 2018: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29662668/proteomic-biomarkers-in-body-fluids-associated-with-pancreatic-cancer
#13
REVIEW
Cristina Jimenez-Luna, Carolina Torres, Raul Ortiz, Carmelo Dieguez, Joaquina Martinez-Galan, Consolacion Melguizo, Jose C Prados, Octavio Caba
Pancreatic cancer (PC) is a highly malignant disease that represents the fourth leading cancer-related death worldwide. There has been very little improvement in survival rates over recent years, and surgical resection remains the only reliable curative approach. Factors that contribute to this dismal prognosis for PC include its rapid progression and invasion, the absence of specific symptoms, and the little impact of available chemotherapy. Importantly, the management of this malignancy is also limited by the lack of highly specific and sensitive biomarkers for its diagnosis and follow-up, and their identification is therefore considered a promising strategy to improve outcomes in these patients...
March 27, 2018: Oncotarget
https://www.readbyqxmd.com/read/29656881/fundamentals-of-functional-imaging-i-current-clinical-techniques
#14
A Luna, T Martín Noguerol, L Alcalá Mata
Imaging techniques can establish a structural, physiological, and molecular phenotype for cancer, which helps enable accurate diagnosis and personalized treatment. In recent years, various imaging techniques that make it possible to study the functional characteristics of tumors quantitatively and reproducibly have been introduced and have become established in routine clinical practice. Perfusion studies enable us to estimate the microcirculation as well as tumor angiogenesis and permeability using ultrafast dynamic acquisitions with ultrasound, computed tomography, or magnetic resonance (MR) imaging...
April 12, 2018: Radiología
https://www.readbyqxmd.com/read/29656880/fundamentals-of-functional-imaging-ii-emerging-mr-techniques-and-new-methods-of-analysis
#15
A Luna, T Martín Noguerol, L Alcalá Mata
Current multiparameter MRI protocols integrate structural, physiological, and metabolic information about cancer. Emerging techniques such as arterial spin-labeling (ASL), blood oxygen level dependent (BOLD), MR elastography, chemical exchange saturation transfer (CEST), and hyperpolarization provide new information and will likely be integrated into daily clinical practice in the near future. Furthermore, there is great interest in the study of tumor heterogeneity as a prognostic factor and in relation to resistance to treatment, and this interest is leading to the application of new methods of analysis of multiparametric protocols...
April 12, 2018: Radiología
https://www.readbyqxmd.com/read/29655462/obesity-thrombotic-risk-and-inflammation-in-cancer
#16
Benjamín Rubio-Jurado, Luz-Ma-Adriana Balderas-Peña, Eduardo E García-Luna, María G Zavala-Cerna, Carlos Riebeling-Navarro, Pedro A Reyes, Arnulfo H Nava-Zavala
Neoplasms exhibits a high incidence and mortality rates due to their complex and commonly overlapping clinical, biochemical, and morphologic profiles influenced by acquired or inherited molecular abnormalities, cell of origin, and level of differentiation. Obesity appears related to ~20% of cancers including endometrial, esophageal, colorectal, postmenopausal breast, prostate, and renal. Several factors other than obesity, i.e., insulin, insulin-like growth factor, sexual hormones, and adipokines may play a potential role in neoplasia...
2018: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/29625050/oncogenic-signaling-pathways-in-the-cancer-genome-atlas
#17
Francisco Sanchez-Vega, Marco Mina, Joshua Armenia, Walid K Chatila, Augustin Luna, Konnor C La, Sofia Dimitriadoy, David L Liu, Havish S Kantheti, Sadegh Saghafinia, Debyani Chakravarty, Foysal Daian, Qingsong Gao, Matthew H Bailey, Wen-Wei Liang, Steven M Foltz, Ilya Shmulevich, Li Ding, Zachary Heins, Angelica Ochoa, Benjamin Gross, Jianjiong Gao, Hongxin Zhang, Ritika Kundra, Cyriac Kandoth, Istemi Bahceci, Leonard Dervishi, Ugur Dogrusoz, Wanding Zhou, Hui Shen, Peter W Laird, Gregory P Way, Casey S Greene, Han Liang, Yonghong Xiao, Chen Wang, Antonio Iavarone, Alice H Berger, Trever G Bivona, Alexander J Lazar, Gary D Hammer, Thomas Giordano, Lawrence N Kwong, Grant McArthur, Chenfei Huang, Aaron D Tward, Mitchell J Frederick, Frank McCormick, Matthew Meyerson, Eliezer M Van Allen, Andrew D Cherniack, Giovanni Ciriello, Chris Sander, Nikolaus Schultz
Genetic alterations in signaling pathways that control cell-cycle progression, apoptosis, and cell growth are common hallmarks of cancer, but the extent, mechanisms, and co-occurrence of alterations in these pathways differ between individual tumors and tumor types. Using mutations, copy-number changes, mRNA expression, gene fusions and DNA methylation in 9,125 tumors profiled by The Cancer Genome Atlas (TCGA), we analyzed the mechanisms and patterns of somatic alterations in ten canonical pathways: cell cycle, Hippo, Myc, Notch, Nrf2, PI-3-Kinase/Akt, RTK-RAS, TGFβ signaling, p53 and β-catenin/Wnt...
April 5, 2018: Cell
https://www.readbyqxmd.com/read/29618939/-syk-expression-level-distinguishes-control-from-brca1-mutated-lymphocytes
#18
Tamar Zahavi, Amir Sonnenblick, Yael Shimshon, Luna Kadouri, Tamar Peretz, Asher Y Salmon, Mali Salmon-Divon
Background: About 5%-10% of breast cancer and 10%-15% of ovarian cancer are hereditary. BRCA1 and BRCA2 are the most common germline mutations found in both inherited breast and ovarian cancers. Once these mutations are identified and classified, a course of action to reduce the risk of developing either ovarian or breast cancer - including surveillance and surgery - is carried out. Purpose: The purpose of the current research is to characterize the gene expression differences between healthy cells harboring a mutation in BRCA1 /2 genes and normal cells...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29617658/machine-learning-detects-pan-cancer-ras-pathway-activation-in-the-cancer-genome-atlas
#19
Gregory P Way, Francisco Sanchez-Vega, Konnor La, Joshua Armenia, Walid K Chatila, Augustin Luna, Chris Sander, Andrew D Cherniack, Marco Mina, Giovanni Ciriello, Nikolaus Schultz, Yolanda Sanchez, Casey S Greene
Precision oncology uses genomic evidence to match patients with treatment but often fails to identify all patients who may respond. The transcriptome of these "hidden responders" may reveal responsive molecular states. We describe and evaluate a machine-learning approach to classify aberrant pathway activity in tumors, which may aid in hidden responder identification. The algorithm integrates RNA-seq, copy number, and mutations from 33 different cancer types across The Cancer Genome Atlas (TCGA) PanCanAtlas project to predict aberrant molecular states in tumors...
April 3, 2018: Cell Reports
https://www.readbyqxmd.com/read/29617451/integrative-multi-platform-meta-analysis-of-gene-expression-profiles-in-pancreatic-ductal-adenocarcinoma-patients-for-identifying-novel-diagnostic-biomarkers
#20
Antonio Irigoyen, Cristina Jimenez-Luna, Manuel Benavides, Octavio Caba, Javier Gallego, Francisco Manuel Ortuño, Carmen Guillen-Ponce, Ignacio Rojas, Enrique Aranda, Carolina Torres, Jose Prados
Applying differentially expressed genes (DEGs) to identify feasible biomarkers in diseases can be a hard task when working with heterogeneous datasets. Expression data are strongly influenced by technology, sample preparation processes, and/or labeling methods. The proliferation of different microarray platforms for measuring gene expression increases the need to develop models able to compare their results, especially when different technologies can lead to signal values that vary greatly. Integrative meta-analysis can significantly improve the reliability and robustness of DEG detection...
2018: PloS One
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