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metabolic tumor burden

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https://www.readbyqxmd.com/read/28450567/circulating-tumor-dna-reflects-tumor-metabolism-rather-than-tumor-burden-in-chemotherapy-naive-patients-with-advanced-non-small-cell-lung-cancer-nsclc-an-18-f-fdg-pet-ct-study
#1
Silvia Morbelli, Angela Alama, Giulia Ferrarazzo, Simona Coco, Carlo Genova, Erica Rijavec, Francesca Bongioanni, Federica Biello, Maria Giovanna Dal Bello, Giulia Barletta, Michela Massollo, Irene Vanni, Roberta Piva, Alberto Nieri, Matteo Bauckneht, Gianmario Sambuceti, Francesco Grossi
We aimed to evaluate the relationship between Circulating tumor Cells (CTCs) and plasma Cell-free DNA (cfDNA) on one side and a comprehensive range of (18)F-fluorodeoxyglucose (FDG)-PET/CT-derived parameters on the other side in chemotherapy-naïve patients with advanced NSCLC. Methods: Among the seventy-nine patients included in the VeriStrat® trial (evaluating the role of pretreatment circulating tumor markers as predictors of prognosis), we selected patients submitted to FDG-PET/CT for clinical reasons just before the inclusion in the trial...
April 27, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28428633/inhibition-of-glutathione-metabolism-attenuates-esophageal-cancer-progression
#2
Liang Peng, Ruixia Linghu, Demeng Chen, Jing Yang, Xiaoxue Kou, Xiang-Zhen Wang, Yi Hu, Yi-Zhou Jiang, Junlan Yang
Esophageal squamous cell carcinoma (ESCC) is a deadly malignancy with regard to mortality and prognosis, and the 5-year survival rate for all patients diagnosed with ESCC remains poor. A better understanding of the biological mechanisms of ESCC tumorigenesis and progression is of great importance to improve treatment of this disease. In this study, we demonstrated that the glutathione metabolism pathway is highly enriched in ESCC cells compared with normal esophageal epithelial cells in an in vivo mouse model...
April 21, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28385782/inhibition-of-monocarboxylate-transporter-1-by-azd3965-as-a-novel-therapeutic-approach-for-the-treatment-of-diffuse-large-b-cell-lymphoma-and-burkitt-lymphoma
#3
Richard A Noble, Natalie Bell, Helen Blair, Arti Sikka, Huw Thomas, Nicole Phillips, Sirintra Nakjang, Satomi Miwa, Rachel Crossland, Vikki Rand, Despina Televantou, Anna Long, Hector C Keun, Chris M Bacon, Simon Bomken, Susan E Critchlow, Stephen R Wedge
Inhibition of monocarboxylate transporter 1 has been proposed as a therapeutic approach to perturb lactate shuttling in tumor cells that lack monocarboxylate transporter 4. We examined the monocarboxylate transporter 1 inhibitor AZD3965, currently in phase I clinical studies, as a potential therapy for diffuse large B-cell lymphoma and Burkitt lymphoma. Whilst extensive monocarboxylate transporter 1 protein was found in 120 diffuse large B-cell lymphoma and 10 Burkitt lymphoma patient tumors, monocarboxylate transporter 4 protein expression was undetectable in 73% of the diffuse large B-cell lymphoma samples and undetectable or negligible in each Burkitt lymphoma sample...
April 6, 2017: Haematologica
https://www.readbyqxmd.com/read/28366863/proteomic-and-functional-analyses-reveal-pleiotropic-action-of-the-anti-tumoral-compound-nbdhex-in-giardia-duodenalis
#4
Serena Camerini, Alessio Bocedi, Serena Cecchetti, Marialuisa Casella, Miriam Carbo, Veronica Morea, Edoardo Pozio, Giorgio Ricci, Marco Lalle
Giardiasis, a parasitic diarrheal disease caused by Giardia duodenalis, affects one billion people worldwide. Treatment relies only on a restricted armamentarium of drugs. The disease burden and the increase in treatment failure highlight the need for novel, safe and well characterized drug options. The antitumoral compound NBDHEX is effective in vitro against Giardia trophozoites and inhibits glycerol-3-phosphate dehydrogenase. Aim of this work was to search for additional NBDHEX protein targets. The intrinsic NBDHEX fluorescence was exploited in a proteomic analysis to select and detect modified proteins in drug treated Giardia...
March 29, 2017: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/28348045/stratification-of-pancreatic-ductal-adenocarcinoma-combinatorial-genetic-stromal-and-immunological-markers
#5
Erik Knudsen, Paris Vail, Uthra Balaji, Hoai Ngo, Ihab W Botros, Vladimir Makarov, Nadeem Riaz, Vinod P Balachandran, Steven D Leach, Debrah M Thompson, Timothy A Chan, Agnieszka K Witkiewicz
PURPOSE: Pancreatic ductal adenocarcinoma (PDAC) is associated with an immunosuppressive milieu that supports immune system evasion and disease progression. Here, we interrogated genetic, stromal, and immunological features of PDAC to delineate impact on prognosis and to more effectively employ immunotherapy. EXPERIMENTAL DESIGN: A cohort of 109 PDAC cases annotated for overall survival was utilized as a primary discovery cohort. Gene expression analysis defined immunological subtypes of PDAC that were confirmed in the Cancer Genome Atlas data set...
March 27, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28292742/fatty-acid-synthesis-intermediates-represent-novel-noninvasive-biomarkers-of-prostate-cancer-chemoprevention-by-phenethyl-isothiocyanate
#6
Krishna B Singh, Shivendra V Singh
Increased de novo synthesis of fatty acids is a distinctive feature of prostate cancer, which continues to be a leading cause of cancer-related deaths among American men. Therefore, inhibition of de novo fatty acid synthesis represents an attractive strategy for chemoprevention of prostate cancer. We have shown previously that dietary feeding of phenethyl isothiocyanate (PEITC), a phytochemical derived from edible cruciferous vegetables such as watercress, inhibits incidence and burden of poorly differentiated prostate cancer in transgenic adenocarcinoma of mouse prostate (TRAMP) model...
March 14, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28265739/risk-stratifying-capacity-of-pet-ct-metabolic-tumor-volume-in-stage-iiia-non-small-cell-lung-cancer
#7
Joshua H Finkle, Stephanie Y Jo, Mark K Ferguson, Hai-Yan Liu, Chenpeng Zhang, Xuee Zhu, Cindy Yuan, Yonglin Pu
OBJECTIVES: Stage IIIA non-small cell lung cancer (NSCLC) is heterogeneous in tumor burden, and its treatment is variable. Whole-body metabolic tumor volume (MTVWB) has been shown to be an independent prognostic index for overall survival (OS). However, the potential of MTVWB to risk-stratify stage IIIA NSCLC has previously been unknown. If we can identify subgroups within the stage exhibiting significant OS differences using MTVWB, MTVWB may lead to adjustments in patients' risk profile evaluations and may, therefore, influence clinical decision making regarding treatment...
March 7, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28251914/rituximab-exposure-is-influenced-by-baseline-metabolic-tumor-volume-and-predicts-outcome-of-dlbcl-patients-a-lymphoma-study-association-report
#8
Mira Tout, Olivier Casasnovas, Michel Meignan, Thierry Lamy, Franck Morschhauser, Gilles Salles, Emmanuel Gyan, Corinne Haioun, Mélanie Mercier, Pierre Feugier, Sami Boussetta, Gilles Paintaud, David Ternant, Guillaume Cartron
High variability in patient outcome after rituximab-based treatment is partly explained by rituximab concentrations, and pharmacokinetic (PK) variability could be influenced by tumor burden. We aimed at quantifying the influence of baseline total metabolic tumor volume (TMTV0) on rituximab PK and of TMTV0 and rituximab exposure on outcome in patients with diffuse large B-cell lymphoma (DLBCL). TMTV0 was measured by (18)F-fluorodeoxyglucose-positron emission tomography-computed tomography in 108 previously untreated DLBCL patients who received four 375 mg/m(2) rituximab infusions every 2 weeks in combination with chemotherapy in 2 prospective trials...
May 11, 2017: Blood
https://www.readbyqxmd.com/read/28195905/value-of-intratumoral-metabolic-heterogeneity-and-quantitative-18f-fdg-pet-ct-parameters-to-predict-prognosis-in-patients-with-hpv-positive-primary-oropharyngeal-squamous-cell-carcinoma
#9
Esther Mena, Mehdi Taghipour, Sara Sheikhbahaei, Abhinav K Jha, Arman Rahmim, Lilja Solnes, Rathan M Subramaniam
OBJECTIVE: The aim of this study was to evaluate the impact of intratumoral metabolic heterogeneity and quantitative FDG PET/CT imaging parameters for predicting patient outcomes in primary oropharyngeal squamous cell cancer (OPSCC). PATIENTS AND METHODS: We retrospectively investigated 105 patients with HPV-positive OPSCC. SUVmax and metabolic tumor volume (MTV) were measured for the primary tumors and when available for the metastatic sites. Primary tumor intratumoral metabolic heterogeneity was calculated as the area under a cumulative SUV volume histograms curve (AUC-CSH)...
May 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28194054/tumor-lysis-syndrome-in-multiple-myeloma-an-increasingly-recognized-risk-a-report-of-seven-cases
#10
Abhijai Singh, Shweta Gupta, Barbara Yim, Romy Thekkekara
Tumor lysis syndrome is a constellation of metabolic disturbances commonly seen during therapy of bulky, rapidly proliferative tumors. Multiple myeloma is a low proliferation tumor with rare incidence of tumor lysis syndrome in the pre-Bortezomib era. Post Bortezomib use, a rise in the incidence of tumor lysis has been noted. We present seven cases of tumor lysis syndrome with three patients in spontaneous tumor lysis and four developing the same after chemotherapy. In the previous studies, elevated LDH and deletion of chromosome 13 has been associated with risk of TLS...
March 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28178600/whole-flaxseed-diet-alters-estrogen-metabolism-to-promote-2-methoxtestradiol-induced-apoptosis-in-hen-ovarian-cancer
#11
Anushka Dikshit, Karen Hales, Dale Buchanan Hales
The study reported here demonstrates that a flaxseed-supplemented diet causes ovarian tumors in the laying hen to undergo apoptosis, resulting in a reduction of tumor burden, reducing the frequency and severity of ovarian cancer. We have previously shown in normal ovaries that flaxseed and its components down-regulate ERalpha and alter the expression of enzymes that metabolize estrogen. In this study, we analyzed the effects of the two main components of whole flaxseed, ligan and omega 3 fatty acids on estrogen metabolism and the estrogen receptor in ovarian tumors...
April 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28171849/dose-responsive-efficacy-of-umbelliferone-on-lipid-peroxidation-anti-oxidant-and-xenobiotic-metabolism-in-dmba-induced-oral-carcinogenesis
#12
Annamalai Vijayalakshmi, Ganapathy Sindhu
This study evaluated the chemopreventive potential of umbelliferone (UMB) on 7,12- dimethylbenz[a]anthracene (DMBA) induced hamster buccal pouch carcinogenesis. The mechanistic pathway for chemopreventive potential of UMB was evaluated by measuring the status of tumour incidence, tumour volume, and tumour burden as well as by analyzing the status of phase I, phase II detoxification agents, lipid peroxidation, antioxidants, histopathological changes and also expression patterns of cell proliferation (PCNA, Cyclin D1) and apoptotic (p53) markers using immunohistochemistry in DMBA induced hamster buccal pouch carcinogenesis...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28168393/enhanced-colorectal-cancer-metastases-in-the-alcohol-injured-liver
#13
Ashley M Mohr, John J Gould, Jacy L Kubik, Geoffrey A Talmon, Carol A Casey, Peter Thomas, Dean J Tuma, Benita L McVicker
Metastatic liver disease is a major cause of mortality in colorectal cancer (CRC) patients. Alcohol consumption is a noted risk factor for secondary cancers yet the role of alcoholic liver disease (ALD) in colorectal liver metastases (CRLM) is not defined. This work evaluated tumor cell colonization in the alcoholic host liver using a novel preclinical model of human CRC liver metastases. Immunocompromised Rag1-deficient mice were fed either ethanol (E) or isocaloric control (C) diets for 4 weeks prior to intrasplenic injection of LS174T human CRC cells...
February 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28167449/curcumin-and-treatment-of-melanoma-the-potential-role-of-micrornas
#14
REVIEW
Diana Lelli, Claudio Pedone, Amirhosssein Sahebkar
Melanoma is the most aggressive type of skin cancer and is characterized by poor prognosis in its advanced stages because treatments are poorly effective and burdened with severe adverse effects. MicroRNAs (miRNAs) are small non-coding RNAs that are implicated in several cellular processes; they are categorized as oncogenic and tumor suppressor miRNAs. Several miRNAs are implicated in the pathogenesis and progression of melanoma, such as the tumor suppressor miR-let7b that targets cyclin D and regulates cell cycle...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28138933/update-on-management-of-cancer-related-cachexia
#15
REVIEW
Lindsey J Anderson, Eliette D Albrecht, Jose M Garcia
Cachexia is a metabolic syndrome driven by inflammation and characterized by loss of muscle with or without loss of fat mass. In cancer cachexia, the tumor burden and host response induce increased inflammation, decreased anabolic tone, and suppressed appetite leading to the clinical presentation of reduced body weight and quality of life (QOL). There is no approved treatment for cancer cachexia, and commonly used nutritional and anti-inflammatory strategies alone have proven ineffective for management of symptoms...
January 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28122174/synthesis-qsar-studies-and-metabolic-stability-of-novel-2-alkylthio-4-chloro-n-5-oxo-4-5-dihydro-1-2-4-triazin-3-yl-benzenesulfonamide-derivatives-as-potential-anticancer-and-apoptosis-inducing-agents
#16
Beata Żołnowska, Jarosław Sławiński, Aneta Pogorzelska, Krzysztof Szafrański, Anna Kawiak, Grzegorz Stasiłojć, Mariusz Belka, Joanna Zielińska, Tomasz Bączek
A series of novel 2-alkylthio-4-chloro-N-(5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)benzenesulfonamide derivatives 12-46 have been synthesized by the reaction of aminoguanidines with an appropriate alpha-oxo-acids hydrates in glacial acetic acid. All the synthesized compounds were evaluated for their anticancer activity against HeLa, HCT-116, and MCF-7 human tumor cell lines. Two compounds 33 and 34 displayed outstanding cytotoxic effect selectively toward HeLa cancer cells (IC50  = 19 μm) and did not exhibit toxicity to the non-cancerous HaCaT cells...
January 25, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28108628/metabolic-reprogramming-by-folate-restriction-leads-to-a-less-aggressive-cancer-phenotype
#17
Zahra Ashkavand, Ciara O'Flanagan, Mirko Hennig, Xiuxia Du, Stephen D Hursting, Sergey A Krupenko
Folate coenzymes are involved in biochemical reactions of one-carbon transfer, and deficiency of this vitamin impairs cellular proliferation, migration, and survival in many cell types. Here, the effect of folate restriction on mammary cancer was evaluated using three distinct breast cancer subtypes differing in their aggressiveness and metastatic potential: noninvasive basal-like (E-Wnt), invasive but minimally metastatic claudin-low (M-Wnt), and highly metastatic claudin-low (metM-Wnt(liver)) cell lines, each derived from the same pool of MMTV-Wnt-1 transgenic mouse mammary tumors...
February 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28046730/su-f-j-07-evaluating-the-adequacy-of-biopsy-specimens-for-genetic-signature-assessment-by-measuring-the-metabolic-activity-in-specimens-obtained-under-18f-fdg-pet-ct-guidance
#18
L Fanchon, J Russell, S Dogan, S Carlin, K Pinker-Domenig, E Yorke, C Ross Schmidtlein, S Fujisawa, K Manova-Todorova, P Zanzonico, J O Deasy, J L Humm, S Solomon, A S Kirov
PURPOSE: Genetic profiling of biopsied tissue is the basis for personalized cancer therapy. However biopsied materials may not contain sufficient amounts of DNA needed for analysis. We propose a method to determine the adequacy of specimens for performing genetic profiling by quantifying metabolic activity. METHODS: We measured the response of two radiation detectors to the activity contained in the minimum amount of tumor cells needed for genetic profiling in biopsy specimens obtained under 2-deoxy-2-((18) F)fluoro-D-glucose ((18) F-FDG) PET/CT guidance...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046308/su-d-207b-05-robust-intra-tumor-partitioning-to-identify-high-risk-subregions-for-prognosis-in-lung-cancer
#19
J Wu, M Gensheimer, X Dong, D Rubin, S Napel, M Diehn, B Loo, R Li
PURPOSE: To develop an intra-tumor partitioning framework for identifying high-risk subregions from 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) and CT imaging, and to test whether tumor burden associated with the high-risk subregions is prognostic of outcomes in lung cancer. METHODS: In this institutional review board-approved retrospective study, we analyzed the pre-treatment FDG-PET and CT scans of 44 lung cancer patients treated with radiotherapy...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28029314/on-the-cutoff-of-baseline-total-metabolic-tumor-volume-in-high-tumor-burden-follicular-lymphoma
#20
Eric Laffon, Roger Marthan
No abstract text is available yet for this article.
March 10, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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