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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
#1
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)...
February 13, 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
#2
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
#3
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...
January 23, 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
#4
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...
February 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28168393/enhanced-colorectal-cancer-metastases-in-the-alcohol-injured-liver
#5
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 6, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28167449/curcumin-and-treatment-of-melanoma-the-potential-role-of-micrornas
#6
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...
February 3, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28138933/update-on-management-of-cancer-related-cachexia
#7
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
#8
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
#9
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...
January 20, 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
#10
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
#11
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
#12
Eric Laffon, Roger Marthan
No abstract text is available yet for this article.
December 28, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27993480/bokhman-redux-endometrial-cancer-types-in-the-21st-century
#13
Adrian A Suarez, Ashley S Felix, David E Cohn
In 1983 Jan V. Bokhman, M.D. published a landmark paper entitled "Two Pathogenetic Types of Endometrial Carcinoma" in which an enduring dualistic view of endometrial cancer was first proposed. "Type I" cancers are thought to represent estrogen driven mostly low grade endometrioid tumors strongly associated with obesity and other components of the metabolic syndrome. "Type II" cancers represent higher grade non-endometrioid tumors for which the latter associations are less significant. Basic tenets of this dichotomy including significant prognostic differences have been abundantly confirmed by later literature...
December 16, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27981471/metabolic-tumor-burden-assessed-by-dual-time-point-18-f-fdg-pet-ct-in-locally-advanced-breast-cancer-relation-with-tumor-biology
#14
Ana María Garcia-Vicente, Julián Pérez-Beteta, Víctor Manuel Pérez-García, David Molina, German Andrés Jiménez-Londoño, Angel Soriano-Castrejón, Alicia Martínez-González
PURPOSE: The aim of the study was to investigate the influence of dual time point 2-deoxy-2-[(18)F]fluoro-D-glucose ([(18)F]FDG) positron emission tomography/x-ray computed tomography (PET/CT) on the standard uptake value (SUV) and volume-based metabolic variables of breast lesions and their relation with biological characteristics and molecular phenotypes. PROCEDURES: Retrospective analysis including 67 patients with locally advanced breast cancer (LABC). All patients underwent a dual time point [(18)F]FDG PET/CT, 1 h (PET-1) and 3 h (PET-2) after [(18)F]FDG administration...
December 15, 2016: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/27977537/pretreatment-metabolic-parameters-measured-by-18f-fdg-pet-to-predict-the-outcome-of-first-line-chemotherapy-in-extensive-stage-small-cell-lung-cancer
#15
Xiaozhou Yu, Yanjia Zhu, Jian Wang, Xiuyu Song, Lei Zhu, Xiaoyuan Men, Xiaofeng Li, Dong Dai, Wengui Xu
OBJECTIVE: Patients' pretreatment metabolic burden, as measured by radiotracer fluorine-18 fluorodeoxyglucose (F-FDG) PET/computed tomography (CT), has been shown to predict treatment outcome in various malignancies. However, its predictive role in extensive-stage small cell lung cancer (SCLC) has not been definitively determined. This retrospective study investigated the viability of using common pretreatment metabolic parameters, obtained through F-FDG-PET/CT, to predict outcomes of first-line chemotherapy in extensive-stage SCLC...
February 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27863565/molecular-imaging-and-precision-medicine-in-breast-cancer
#16
REVIEW
Amy V Chudgar, David A Mankoff
Precision medicine, basing treatment approaches on patient traits and specific molecular features of disease processes, has an important role in the management of patients with breast cancer as targeted therapies continue to improve. PET imaging offers noninvasive information that is complementary to traditional tissue biomarkers, including information about tumor burden, tumor metabolism, receptor status, and proliferation. Several PET agents that image breast cancer receptors can visually demonstrate the extent and heterogeneity of receptor-positive disease and help predict which tumors are likely to respond to targeted treatments...
January 2017: PET Clinics
https://www.readbyqxmd.com/read/27856630/a-prospective-clinical-trial-of-18f-fluciclovine-pet-ct-neoadjuvant-therapy-response-in-invasive-ductal-and-invasive-lobular-breast-cancers
#17
Gary A Ulaner, Debra Goldman, Adriana Corben, Serge Lyashchenko, Mithat Gonen, Jason Lewis, Maura Dickler
: Fluorine-18-labeled 1-amino-3-fluorocyclobutane-1-carboxylic acid ((18)F-Fluciclovine) is a leucine analog radiotracer that depicts amino acid transport into cells. (18)F-Fluciclovine PET/CT visualizes malignancy including prostate cancer, invasive ductal breast cancer (IDC) and invasive lobular breast cancers (ILC). It has not been shown whether changes in (18)F-Fluciclovine avidity reflect changes in tumor burden resulting from treatment. This prospective clinical trial evaluates changes in (18)F-Fluciclovine-avidity compared to breast cancer therapy response, as determined by residual tumor burden on pathology...
November 17, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27852646/metabolic-reprogramming-by-folate-restriction-leads-to-a-less-aggressive-cancer-phenotype
#18
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: non-invasive basal-like (E-Wnt), invasive but minimally metastatic claudin-low (M-Wnt), and highly metastatic claudin-low (metM-Wntliver) cell lines, each derived from the same pool of MMTV-Wnt-1 transgenic mouse mammary tumors...
November 16, 2016: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/27828693/a-register-based-case-control-study-of-prescription-medication-utilization-in-binge-eating-disorder
#19
Hunna J Watson, Andreas Jangmo, Melissa A Munn-Chernoff, Laura M Thornton, Elisabeth Welch, Camilla Wiklund, Yvonne von Hausswolff-Juhlin, Claes Norring, Barry K Herman, Henrik Larsson, Cynthia M Bulik
OBJECTIVE: Individuals with binge-eating disorder (BED) experience psychiatric and somatic comorbidities and obesity, but the nature and magnitude of prescription medication utilization is unclear. We investigated utilization using Swedish registry data and a case-control design. METHODS: Cases were identified from Riksät and Stepwise longitudinal registers and were individuals diagnosed with BED per DSM-IV-TR criteria between July 1, 2006, and December 31, 2009, at eating disorder clinics (n = 238, 96% female, mean age = 22...
July 7, 2016: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/27821270/bipolar-disorder-moderates-associations-between-linoleic-acid-and-markers-of-inflammation
#20
Ya-Wen Chang, Shervin Assari, Alan R Prossin, Laura Stertz, Melvin G McInnis, Simon J Evans
Dietary polyunsaturated fatty acids (PUFA) and inflammatory proteins associate with immune activation and have been implicated in the pathophysiology of mood disorders. We have previously reported that individuals with bipolar disorder (BPD) have decreased PUFA intake, including eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and arachidonic acid (AA); and decreased PUFA concentration of plasma EPA and linoleic acid (LA). We have also reported an association between plasma LA and its metabolites and burden of disease measures in BPD...
February 2017: Journal of Psychiatric Research
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