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https://www.readbyqxmd.com/read/28324966/random-forests-to-predict-tumor-recurrence-following-cervical-cancer-therapy-using-pre-and-per-treatment-18-f-fdg-pet-parameters
#1
Geoffrey Roman-Jimenez, Oscar Acosta, Julie Leseur, Anne Devillers, Henri Der Sarkissian, Lina Guzman, Eloi'se Grossiord, Juan-David Ospina, Renaud De Crevoisier
The ability to predict tumor recurrence after chemoradiotherapy of locally advanced cervical cancer is a crucial clinical issue to intensify the treatment of the most high-risk patients. The objective of this study was to investigate tumor metabolism characteristics extracted from pre- and per-treatment (18)F-FDG PET images to predict 3-year overall recurrence (OR). A total of 53 locally advanced cervical cancer patients underwent pre- and per-treatment (18)F-FDG PET (respectively PET1 and PET2). Tumor metabolism was characterized through several delineations using different thresholds, based on a percentage of the maximum uptake, and applied by region-growing...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28316882/sympathy-for-the-devil-a-conservation-strategy-for-devil-and-manta-rays
#2
Julia M Lawson, Sonja V Fordham, Mary P O'Malley, Lindsay N K Davidson, Rachel H L Walls, Michelle R Heupel, Guy Stevens, Daniel Fernando, Ania Budziak, Colin A Simpfendorfer, Isabel Ender, Malcolm P Francis, Giuseppe Notarbartolo di Sciara, Nicholas K Dulvy
BACKGROUND: International trade for luxury products, medicines, and tonics poses a threat to both terrestrial and marine wildlife. The demand for and consumption of gill plates (known as Peng Yu Sai, "Fish Gill of Mobulid Ray") from devil and manta rays (subfamily Mobulinae, collectively referred to as mobulids) poses a significant threat to these marine fishes because of their extremely low productivity. The demand for these gill plates has driven an international trade supplied by largely unmonitored and unregulated catches from target and incidental fisheries around the world...
2017: PeerJ
https://www.readbyqxmd.com/read/28315083/achieving-the-promise-of-therapeutic-extracellular-vesicles-the-devil-is-in-details-of-therapeutic-loading
#3
REVIEW
Dhruvitkumar S Sutaria, Mohamed Badawi, Mitch A Phelps, Thomas D Schmittgen
Extracellular vesicles (EVs) represent a class of cell secreted organelles which naturally contain biomolecular cargo such as miRNA, mRNA and proteins. EVs mediate intercellular communication, enabling the transfer of functional nucleic acids from the cell of origin to the recipient cells. In addition, EVs make an attractive delivery vehicle for therapeutics owing to their increased stability in circulation, biocompatibility, low immunogenicity and toxicity profiles. EVs can also be engineered to display targeting moieties on their surfaces which enables targeting to desired tissues, organs or cells...
March 17, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28300197/significant-decline-in-anticancer-immune-capacity-during-puberty-in-the-tasmanian-devil
#4
Yuanyuan Cheng, Kim Heasman, Sarah Peck, Emma Peel, Rebecca M Gooley, Anthony T Papenfuss, Carolyn J Hogg, Katherine Belov
Tasmanian devils (Sarcophilus harrisii) are at risk of extinction in the wild due to Devil Facial Tumour Disease (DFTD), a rare contagious cancer. The prevalence of DFTD differs by age class: higher disease prevalence is seen in adults (2-3 years) versus younger devils (<2 years). Here we propose that immunological changes during puberty may play a role in susceptibility to DFTD. We show that the second year of life is a key developmental period for Tasmanian devils, during which they undergo puberty and pronounced changes in the immune system...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28296155/obituary-of-thomas-e-starzl-m-d-ph-d
#5
EDITORIAL
John J Fung
Thomas E. Starzl was born in LeMars, Iowa, where his father, Roman Starzl, owned and edited the town's newspaper. Young "Tommie" worked at every job on the paper, from printer's devil to reporter. His mother had been a nurse earlier in life. Her encouragement and her long fight with breast cancer inspired Starzl to pursue a medical career. After graduating from high school, he enlisted in the U.S. This article is protected by copyright. All rights reserved.
March 12, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28288052/the-devil-is-in-the-detail-remote-ischemic-preconditioning-for-perioperative-kidney-protection
#6
Felix Kork, Holger K Eltzschig
No abstract text is available yet for this article.
March 13, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28288042/metabolic-tumor-volume-and-total-lesion-glycolysis-in-oropharyngeal-cancer-treated-with-definitive-radiotherapy-which-threshold-is-the-best-predictor-of-local-control
#7
Joël Castelli, Adrien Depeursinge, Berardino de Bari, Anne Devillers, Renaud de Crevoisier, Jean Bourhis, John O Prior
PURPOSE: In the context of oropharyngeal cancer treated with definitive radiotherapy, the aim of this retrospective study was to identify the best threshold value to compute metabolic tumor volume (MTV) and/or total lesion glycolysis to predict local-regional control (LRC) and disease-free survival. METHODS: One hundred twenty patients with a locally advanced oropharyngeal cancer from 2 different institutions treated with definitive radiotherapy underwent FDG PET/CT before treatment...
March 10, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28276463/regression-of-devil-facial-tumour-disease-following-immunotherapy-in-immunised-tasmanian-devils
#8
Cesar Tovar, Ruth J Pye, Alexandre Kreiss, Yuanyuan Cheng, Gabriella K Brown, Jocelyn Darby, Roslyn C Malley, Hannah V T Siddle, Karsten Skjødt, Jim Kaufman, Anabel Silva, Adriana Baz Morelli, Anthony T Papenfuss, Lynn M Corcoran, James M Murphy, Martin J Pearse, Katherine Belov, A Bruce Lyons, Gregory M Woods
Devil facial tumour disease (DFTD) is a transmissible cancer devastating the Tasmanian devil (Sarcophilus harrisii) population. The cancer cell is the 'infectious' agent transmitted as an allograft by biting. Animals usually die within a few months with no evidence of antibody or immune cell responses against the DFTD allograft. This lack of anti-tumour immunity is attributed to an absence of cell surface major histocompatibility complex (MHC)-I molecule expression. While the endangerment of the devil population precludes experimentation on large experimental groups, those examined in our study indicated that immunisation and immunotherapy with DFTD cells expressing surface MHC-I corresponded with effective anti-tumour responses...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28259385/kshv-micrornas-tricks-of-the-devil
#9
REVIEW
Jie Qin, Wan Li, Shou-Jiang Gao, Chun Lu
Kaposi's sarcoma-associated herpesvirus (KSHV) is the etiologic agent of Kaposi's sarcoma (KS), a vascular tumor frequently found in immunodeficient individuals. KSHV encodes 12 pre-microRNAs (pre-miRNAs), which are processed into 25 mature microRNAs (miRNAs). KSHV miRNAs maintain KSHV latency, enhance angiogenesis and dissemination of the infected cells, and interfere with the host immune system by regulating viral and cellular gene expression, ultimately contributing to KS development. In this review, we briefly introduce the biogenesis of miRNAs and then describe the recent advances in defining the roles and mechanisms of action of KSHV miRNAs in KS development...
March 2, 2017: Trends in Microbiology
https://www.readbyqxmd.com/read/28254869/phase-ii-study-of-a-radiotherapy-total-dose-increase-in-hypoxic-lesions-identified-by-f-miso-pet-ct-in-patients-with-non-small-cell-lung-carcinoma-rtep5-study
#10
Pierre Vera, Sébastien Thureau, Philippe Chaumet-Riffaud, Romain Modzelewski, Pierre Bohn, Maximilien Vermandel, Sébastien Hapdey, Amandine Pallardy, Marc-André Mahé, Marie Lacombe, Pierre Boisselier, Sophie Guillemard, Pierre Olivier, Véronique Beckendorf, Naji Salem, Nathalie Charrier, Enrique Chajon, Anne Devillers, Nicolas Aide, Serge Danhier, Fabrice Denis, Jean-Pierre Muratet, Etienne Martin, Alina Berriolo-Riedinger, Helène Kolesnikov-Gauthier, Eric Dansin, Carole Massabeau, Fredéric Courbon, Marie-Pierre Farcy-Jacquet, Pierre-Olivier Kotzki, Claire Houzard, Francoise Mornex, Laurent Vervueren, Amaury Paumier, Philippe Fernandez, Mathieu Salaun, Bernard Dubray
A multicenter phase II study investigated a selective radiotherapy (RT) dose increase to tumor areas with significant F-miso uptake in patients with non-small cell lung carcinoma (NSCLC). Methods: Eligible patients had locally advanced NSCLC, no contra-indication to concomitant chemo-radiotherapy (CCRT). The F-miso uptake on PET/CT was assessed by experts. If there was no uptake, 66 Gy was delivered. In F-miso-positive patients, the contours of the hypoxic area were transferred to the radiation oncologist. It was necessary for the radiotherapy dose to be as high as possible while fulfilling dose-limiting constraints for the spinal cord and lungs...
March 2, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28239442/integral-projection-models-for-host-parasite-systems-with-an-application-to-amphibian-chytrid-fungus
#11
Mark Q Wilber, Kate E Langwig, A Marm Kilpatrick, Hamish I McCallum, Cheryl J Briggs
Host parasite models are typically constructed under either a microparasite or macroparasite paradigm. However, this has long been recognized as a false dichotomy because many infectious disease agents, including most fungal pathogens, have attributes of both microparasites and macroparasites.We illustrate how Integral Projection Models (IPM)s provide a novel, elegant modeling framework to represent both types of pathogens. We build a simple host-parasite IPM that tracks both the number of susceptible and infected hosts and the distribution of parasite burdens in infected hosts...
October 2016: Methods in Ecology and Evolution
https://www.readbyqxmd.com/read/28237868/a-pet-based-nomogram-for-oropharyngeal-cancers
#12
J Castelli, A Depeursinge, V Ndoh, J O Prior, M Ozsahin, A Devillers, H Bouchaab, E Chajon, R de Crevoisier, N Scher, F Jegoux, B Laguerre, B De Bari, J Bourhis
PURPOSE: In the context of locally advanced oropharyngeal cancer (LAOC) treated with definitive radiotherapy (RT) (combined with chemotherapy or cetuximab), the aims of this study were: (1) to identify PET-FDG parameters correlated with overall survival (OS) from a first cohort of patients; then (2) to compute a prognostic score; and (3) finally to validate this scoring system in a second independent cohort of patients. MATERIALS AND METHODS: A total of 76 consecutive patients (training cohort from Rennes) treated with chemoradiotherapy or RT with cetuximab for LAOC were used to build a predictive model of locoregional control (LRC) and OS based on PET-FDG parameters...
February 23, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28227014/random-forests-to-predict-tumor-recurrence-following-cervical-cancer-therapy-using-pre-and-per-treatment-18-f-fdg-pet-parameters
#13
Geoffrey Roman-Jimenez, Oscar Acosta, Julie Leseur, Anne Devillers, Henri Der Sarkissian, Lina Guzman, Eloi'se Grossiord, Juan-David Ospina, Renaud De Crevoisier, Geoffrey Roman-Jimenez, Oscar Acosta, Julie Leseur, Anne Devillers, Henri Der Sarkissian, Lina Guzman, Eloi'se Grossiord, Juan-David Ospina, Renaud De Crevoisier, Oscar Acosta, Julie Leseur, Juan-David Ospina, Geoffrey Roman-Jimenez, Henri Der Sarkissian, Renaud De Crevoisier, Anne Devillers, Eloise Grossiord, Lina Guzman
The ability to predict tumor recurrence after chemoradiotherapy of locally advanced cervical cancer is a crucial clinical issue to intensify the treatment of the most high-risk patients. The objective of this study was to investigate tumor metabolism characteristics extracted from pre- and per-treatment (18)F-FDG PET images to predict 3-year overall recurrence (OR). A total of 53 locally advanced cervical cancer patients underwent pre- and per-treatment (18)F-FDG PET (respectively PET1 and PET2). Tumor metabolism was characterized through several delineations using different thresholds, based on a percentage of the maximum uptake, and applied by region-growing...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225302/rapid-immunoassay-exploiting-nanoparticles-and-micromagnets-proof-of-concept-using-ovalbumin-model
#14
Sarah Delshadi, Guillaume Blaire, Paul Kauffmann, Mario Fratzl, Thibaut Devillers, Didier Delabouglise, Marianne Weidenhaupt, Nora M Dempsey, Orphée Cugat, Franz Bruckert, Patrice N Marche
AIM: We present a fast magnetic immunoassay, combining magnetic nanoparticles and micromagnets. High magnetic field gradients from micromagnets are used to develop a new approach to the standard ELISA. Materials & methods/results: A proof-of-concept based on colorimetric quantification of antiovalbumin antibody in buffer is performed and compared with an ELISA. After optimization, the magnetic immunoassay exhibits a limit of detection (40 ng/ml) and a dynamic range (40-2500 ng/ml) similar to that of ELISAs developed using same biochemical tools...
March 2017: Bioanalysis
https://www.readbyqxmd.com/read/28213450/optimal-vasodilation-protocols-the-devil-is-in-the-details
#15
EDITORIAL
Paul Knaapen
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28206794/the-devil-is-in-the-details-comparisons-of-episodic-simulations-of-positive-and-negative-future-events
#16
Vannia A Puig, Karl K Szpunar
Over the past decade, psychologists have devoted considerable attention to episodic simulation-the ability to imagine specific hypothetical events. Perhaps one of the most consistent patterns of data to emerge from this literature is that positive simulations of the future are rated as more detailed than negative simulations of the future, a pattern of results that is commonly interpreted as evidence for a positivity bias in future thinking. In the present article, we demonstrate across two experiments that negative future events are consistently simulated in more detail than positive future events when frequency of prior thinking is taken into account as a possible confounding variable and when level of detail associated with simulated events is assessed using an objective scoring criterion...
February 16, 2017: Emotion
https://www.readbyqxmd.com/read/28205368/cancer-as-a-contagious-disease
#17
REVIEW
H V Siddle
Contagious cancers are malignant cells that are physically transferred between individuals as a natural allograft, forming new clonal tumours. These cancers are highly unusual, but have emerged in 2 mammalian species, the dog and the Tasmanian devil, as well as 4 species of bivalve. The transfer of malignant cells in mammals should initiate a robust immune response and although invertebrates have a less complex immune system, these species still have mechanisms that should prevent engraftment and protect against cellular parasitism...
April 2017: HLA
https://www.readbyqxmd.com/read/28187275/poisoning-the-devil
#18
Zhu Chen, Sai-Juan Chen
No abstract text is available yet for this article.
February 9, 2017: Cell
https://www.readbyqxmd.com/read/28164156/genome-wide-data-from-two-early-neolithic-east-asian-individuals-dating-to-7700-years-ago
#19
Veronika Siska, Eppie Ruth Jones, Sungwon Jeon, Youngjune Bhak, Hak-Min Kim, Yun Sung Cho, Hyunho Kim, Kyusang Lee, Elizaveta Veselovskaya, Tatiana Balueva, Marcos Gallego-Llorente, Michael Hofreiter, Daniel G Bradley, Anders Eriksson, Ron Pinhasi, Jong Bhak, Andrea Manica
Ancient genomes have revolutionized our understanding of Holocene prehistory and, particularly, the Neolithic transition in western Eurasia. In contrast, East Asia has so far received little attention, despite representing a core region at which the Neolithic transition took place independently ~3 millennia after its onset in the Near East. We report genome-wide data from two hunter-gatherers from Devil's Gate, an early Neolithic cave site (dated to ~7.7 thousand years ago) located in East Asia, on the border between Russia and Korea...
February 2017: Science Advances
https://www.readbyqxmd.com/read/28163889/ticks-and-tick-borne-diseases-in-ireland
#20
REVIEW
Annetta Zintl, Sara Moutailler, Peter Stuart, Linda Paredis, Justine Dutraive, Estelle Gonzalez, Jack O'Connor, Elodie Devillers, Barbara Good, Colm OMuireagain, Theo De Waal, Fergal Morris, Jeremy Gray
Throughout Europe interest in tick-borne agents is increasing, particularly with regard to those that can cause human disease. The reason for this is the apparent rise in the incidence of many tick-borne diseases (TBD's). While there has never been a national survey of ticks or TBD's in Ireland, the trend here appears to be the reverse with a decline in the incidence of some agents seemingly associated with decreasing tick numbers particularly on agricultural land. In the absence of robust baseline data, however, this development cannot be confirmed...
2017: Irish Veterinary Journal
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