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https://www.readbyqxmd.com/read/29144507/the-fragile-x-mental-retardation-protein-regulates-tumor-invasiveness-related-pathways-in-melanoma-cells
#1
Francesca Zalfa, Vincenzo Panasiti, Simone Carotti, Maria Zingariello, Giuseppe Perrone, Laura Sancillo, Laura Pacini, Flavie Luciani, Vincenzo Roberti, Silvia D'Amico, Rosa Coppola, Simona Osella Abate, Rosa Alba Rana, Anastasia De Luca, Mark Fiers, Valentina Melocchi, Fabrizio Bianchi, Maria Giulia Farace, Tilmann Achsel, Jean-Christophe Marine, Sergio Morini, Claudia Bagni
The fragile X mental retardation protein (FMRP) is lacking or mutated in patients with the fragile X syndrome (FXS), the most frequent form of inherited intellectual disability. FMRP affects metastasis formation in a mouse model for breast cancer. Here we show that FMRP is overexpressed in human melanoma with high Breslow thickness and high Clark level. Furthermore, meta-analysis of the TCGA melanoma data revealed that high levels of FMRP expression correlate significantly with metastatic tumor tissues, risk of relapsing and disease-free survival...
November 16, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29097494/gut-microbiome-influences-efficacy-of-pd-1-based-immunotherapy-against-epithelial-tumors
#2
Bertrand Routy, Emmanuelle Le Chatelier, Lisa Derosa, Connie P M Duong, Maryam Tidjani Alou, Romain Daillère, Aurélie Fluckiger, Meriem Messaoudene, Conrad Rauber, Maria P Roberti, Marine Fidelle, Caroline Flament, Vichnou Poirier-Colame, Paule Opolon, Christophe Klein, Kristina Iribarren, Laura Mondragón, Nicolas Jacquelot, Bo Qu, Gladys Ferrere, Céline Clémenson, Laura Mezquita, Jordi Remon Masip, Charles Naltet, Solenn Brosseau, Coureche Kaderbhai, Corentin Richard, Hira Rizvi, Florence Levenez, Nathalie Galleron, Benoit Quinquis, Nicolas Pons, Bernhard Ryffel, Véronique Minard-Colin, Patrick Gonin, Jean-Charles Soria, Eric Deutsch, Yohann Loriot, François Ghiringhelli, Gérard Zalcman, François Goldwasser, Bernard Escudier, Matthew D Hellmann, Alexander Eggermont, Didier Raoult, Laurence Albiges, Guido Kroemer, Laurence Zitvogel
Immune checkpoint inhibitors (ICI) targeting the PD-1/PD-L1 axis induce sustained clinical responses in a sizeable minority of cancer patients. Here, we show that primary resistance to ICI can be due to abnormal gut microbiome composition. Antibiotics (ATB) inhibited the clinical benefit of ICI in patients with advanced cancer. Fecal microbiota transplantation (FMT) from cancer patients who responded to ICI (but not from non-responding patients) into germ-free or ATB-treated mice ameliorated the antitumor effects of PD-1 blockade...
November 2, 2017: Science
https://www.readbyqxmd.com/read/29077730/detection-of-central-visual-field-defects-in-early-glaucomatous-eyes-comparison-of-humphrey-and-octopus-perimetry
#3
Gloria Roberti, Gianluca Manni, Ivano Riva, Gabor Holló, Luciano Quaranta, Luca Agnifili, Michele Figus, Sara Giammaria, Davide Rastelli, Francesco Oddone
PURPOSE: To compare the detection rate of central visual field defect (CVFD) between the 30-degree Octopus G1 program (Dynamic strategy) and the HFA 10-2 SITA-Standard test in early glaucoma eyes not showing any CVFD on the HFA 24-2 SITA-Standard test. METHODS: One eye of 41 early glaucoma patients without CVFD in the central 10° on HFA 24-2 test was tested with both the HFA 10-2 test and the Octopus G1 program 15 minutes apart, in random order. The primary outcome measure was the comparison of CVFD detection rates...
2017: PloS One
https://www.readbyqxmd.com/read/29064913/the-impact-of-number-of-cycles-of-neoadjuvant-chemotherapy-on-survival-of-patients-undergoing-interval-debulking-surgery-for-stage-iiic-iv-unresectable-ovarian-cancer-results-from-a-multi-institutional-study
#4
Giorgio Bogani, Laura Matteucci, Stefano Tamberi, Valentina Arcangeli, Antonino Ditto, Giuseppa Maltese, Mauro Signorelli, Fabio Martinelli, Valentina Chiappa, Umberto Leone Roberti Maggiore, Stefania Perotto, Cono Scaffa, Giuseppe Comerci, Marco Stefanetti, Francesco Raspagliesi, Domenica Lorusso
OBJECTIVES: Neoadjuvant chemotherapy (NACT) followed by interval debulking surgery (IDS) may be a valuable treatment option in advanced ovarian cancer when primary cytoreduction is not feasible. However, a consensus on the ideal number of NACT cycles is still lacking. In the present investigation, we aimed to evaluate how number of cycles of NACT influenced patients' outcomes. METHODS: Data of consecutive patients undergoing NACT and IDS were retrospectively reviewed in 4 Italian centers, and survival outcomes were evaluated...
November 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29048473/use-of-taurolidine-in-lung-transplantation-for-cystic-fibrosis-and-impact-on-bacterial-colonization
#5
Mohamed Zeriouh, Anton Sabashnikov, Nikhil P Patil, Bastian Schmack, Barlomiej Zych, Prashant N Mohite, Diana García Sáez, Achim Koch, Ashham Mansur, Simona Soresi, Alexander Weymann, Nandor Marczin, Thorsten Wahlers, Fabio De Robertis, André Rüdiger Simon, Aron-Frederik Popov
OBJECTIVES: The presence of bacterial colonization that causes chronic pulmonary infections in cystic fibrosis (CF) patients remains a key issue before lung transplantation. We sought to assess the impact of intraoperative taurolidine lavage on bacterial colonization and long-term outcomes following lung transplantation in CF patients. METHODS: Between 2007 and 2013, 114 CF patients underwent lung transplantation at our institute, and taurolidine 2% bronchial lavage was applied in a substantial proportion of patients (n = 42)...
October 18, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29045169/use-of-topical-cannabinomimetic-palmitoylethanolamide-in-ocular-surface-disease-associated-with-antiglaucoma-medications
#6
Antonio Di Zazzo, Gloria Roberti, Alireza Mashaghi, Tulio Batista Abud, Daniela Pavese, Stefano Bonini
PURPOSE: Chronic use of topical hypotensive therapies in glaucoma patients leads to chronic inflammation of the ocular surface, which decreases the success rate of long-term glaucoma management. The aim of this study is to evaluate the effect of topical palmitoylethanolamide (PEA) (Defluxa(©)), a well-known anti-inflammatory and analgesic agent, in suppressing the ocular surface inflammation associated with the use of hypotensive eye drops. METHODS: In a pilot clinical trial, we enrolled 15 glaucomatous patients who received topical PEA (Defluxa) in addition to the current antiglaucoma drugs, while 15 glaucomatous patients did not receive any additional treatment...
November 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29017031/angiopoietin-like-4-is-a-wnt-signaling-antagonist-that-promotes-lrp6-turnover
#7
Nadine Kirsch, Ling-Shih Chang, Stefan Koch, Andrey Glinka, Christine Dolde, Gabriele Colozza, Maria D J Benitez, Edward M De Robertis, Christof Niehrs
Angiopoietin-like 4 (ANGPTL4) is a secreted signaling protein that is implicated in cardiovascular disease, metabolic disorder, and cancer. Outside of its role in lipid metabolism, ANGPTL4 signaling remains poorly understood. Here, we identify ANGPTL4 as a Wnt signaling antagonist that binds to syndecans and forms a ternary complex with the Wnt co-receptor Lipoprotein receptor-related protein 6 (LRP6). This protein complex is internalized via clathrin-mediated endocytosis and degraded in lysosomes, leading to attenuation of Wnt/β-catenin signaling...
October 9, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28976448/invasive-paget-disease-of-the-vulva
#8
Chiara Borghi, Giorgio Bogani, Antonino Ditto, Fabio Martinelli, Mauro Signorelli, Valentina Chiappa, Cono Scaffa, Stefania Perotto, Umberto Leone Roberti Maggiore, Dario Recalcati, Domenica Lorusso, Francesco Raspagliesi
OBJECTIVE: Extramammary Paget disease of the vulva (EPDV) is a rare occurrence with an indolent and relapsing course. Progression to invasion occurs in 4% to 19% of cases. The aim of this study is to report clinical-pathological features and outcomes of patients treated for invasive EPDV. METHODS: Data of consecutive patients treated between 2000 and 2017 for invasive EPDV were reviewed. RESULTS: Among 79 patients with EPDV, 10 (12.7%) presented a microinvasive or invasive form at first diagnosis or during follow-up...
October 3, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28969822/editorial-commentary-the-medial-patellar-ligaments-a-step-closer-to-the-knee-surgeon-s-rubik-s-cube-solution
#9
EDITORIAL
Stefano Zaffagnini, Tommaso Roberti di Sarsina
Recent cadaveric research analyzing the medial patellar ligaments and their contribution to patellar stability points out not only the need for reconstruction of the medial patellofemoral ligament, but also the medial tibiofemoral ligament to restore normal patellar stability and biomechanics.
October 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28945679/resurgence-of-pertussis-and-emergence-of-the-ptxp3-toxin-promoter-allele-in-south-italy
#10
Daniela Loconsole, Anna Lisa De Robertis, Anna Morea, Angela Metallo, Pier Luigi Lopalco, Maria Chironna
BACKGROUND: Despite universal immunization programs, pertussis remains a major public health concern. This study aimed to describe the pertussis epidemiology in the Puglia region in 2006-2015 and to identify recent polymorphisms in Bordetella pertussis (BP) virulence-associated genes. METHODS: The pertussis cases in 2006-2015 were identified from the National Hospital Discharge Database and the Information System of Infectious Diseases. Samples of pertussis cases in 2014-2016 that were confirmed by the Regional Reference Laboratory were subjected to ptxA, ptxP, and prn gene sequencing and, in 10 cases, multiple-locus variable-number tandem repeat analysis (MLVA)...
September 21, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28928380/predictors-of-responses-to-immune-checkpoint-blockade-in-advanced-melanoma
#11
N Jacquelot, M P Roberti, D P Enot, S Rusakiewicz, N Ternès, S Jegou, D M Woods, A L Sodré, M Hansen, Y Meirow, M Sade-Feldman, A Burra, S S Kwek, C Flament, M Messaoudene, C P M Duong, L Chen, B S Kwon, A C Anderson, V K Kuchroo, B Weide, F Aubin, C Borg, S Dalle, O Beatrix, M Ayyoub, B Balme, G Tomasic, A M Di Giacomo, M Maio, D Schadendorf, I Melero, B Dréno, A Khammari, R Dummer, M Levesque, Y Koguchi, L Fong, M Lotem, M Baniyash, H Schmidt, I M Svane, G Kroemer, A Marabelle, S Michiels, A Cavalcanti, M J Smyth, J S Weber, A M Eggermont, L Zitvogel
Immune checkpoint blockers (ICB) have become pivotal therapies in the clinical armamentarium against metastatic melanoma (MMel). Given the frequency of immune related adverse events and increasing use of ICB, predictors of response to CTLA-4 and/or PD-1 blockade represent unmet clinical needs. Using a systems biology-based approach to an assessment of 779 paired blood and tumor markers in 37 stage III MMel patients, we analyzed association between blood immune parameters and the functional immune reactivity of tumor-infiltrating cells after ex vivo exposure to ICB...
September 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28927778/introducing-nerve-sparing-approach-during-minimally-invasive-radical-hysterectomy-for-locally-advanced-cervical-cancer-a-multi-institutional-experience
#12
Francesco Raspagliesi, Giorgio Bogani, Arsenio Spinillo, Antonino Ditto, Stefano Bogliolo, Jvan Casarin, Umberto Leone Roberti Maggiore, Fabio Martinelli, Mauro Signorelli, Barbara Gardella, Valentina Chiappa, Cono Scaffa, Simone Ferrero, Antonella Cromi, Domenica Lorusso, Fabio Ghezzi
OBJECTIVE: To evaluate the impact of nerve-sparing (NS) approach on outcomes of patients undergoing minimally invasive radical hysterectomy (MRH) for locally advanced stage cervical cancer (LACC). METHODS: Data of consecutive patients undergoing minimally invasive surgery for LACC were retrospectively retrieved in a multi-institutional setting from 2009 to 2016. All patients included had minimally invasive class III radical hysterectomy (MRH or NS-MRH). Propensity matching algorithm was used to decrease possible allocation bias when comparing outcomes between groups...
September 7, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28922015/over-the-top-acl-reconstruction-plus-extra-articular-lateral-tenodesis-with-hamstring-tendon-grafts-prospective-evaluation-with-20-year-minimum-follow-up
#13
Stefano Zaffagnini, Giulio Maria Marcheggiani Muccioli, Alberto Grassi, Tommaso Roberti di Sarsina, Federico Raggi, Cecilia Signorelli, Francisco Urrizola, Paolo Spinnato, Eugenio Rimondi, Maurilio Marcacci
BACKGROUND: There are few published studies with very long-term follow-up of combined intra- and extra-articular anterior cruciate ligament (ACL) reconstruction. PURPOSE: To analyze clinical and radiographic outcomes of over-the-top ACL reconstruction plus extra-articular lateral tenodesis with autologous hamstrings at minimum 20-year follow-up. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Of 60 originally eligible patients who underwent over-the-top ACL reconstruction with double-stranded hamstring tendon (leaving intact graft tibial insertions) and extra-articular lateral plasty (performed with the remnant part of tendons), 52 were prospectively evaluated at a minimum 20-year follow-up (mean follow-up, 24 years; 41 men, 11 women; mean age at time of surgery, 25...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28919986/immune-biomarkers-for-prognosis-and-prediction-of-responses-to-immune-checkpoint-blockade-in-cutaneous-melanoma
#14
REVIEW
Nicolas Jacquelot, Jonathan M Pitt, David P Enot, Maria Paula Roberti, Connie P M Duong, Sylvie Rusakiewicz, Alexander M Eggermont, Laurence Zitvogel
Existing clinical, anatomopathological and molecular biomarkers fail to reliably predict the prognosis of cutaneous melanoma. Biomarkers for determining which patients receive adjuvant therapies are needed. The emergence of new technologies and the discovery of new immune populations with different prognostic values allow the immune network in the tumor to be better understood. Importantly, new molecules identified and expressed by immune cells have been shown to reduce the antitumor immune efficacy of therapies, prompting researchers to develop antibodies targeting these so-called "immune checkpoints", which have now entered the oncotherapeutic armamentarium...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28914374/bacterial-penetration-into-filled-root-canals-exposed-to-different-pressures-and-to-the-oral-environment-in-vivo-analysis
#15
Ana Maria Hecke Alves, Maria Helena Pozzobon, Eduardo Antunes Bortoluzzi, Cleonice da Silveira Teixeira, Beatriz Dulcinéia Mendes Souza, Lucas da Fonseca Roberti Garcia, Wilson Tadeu Felippe
OBJECTIVES: The study aims to correlate the depth of bacterial penetration into filled root canals with the time of exposure to the oral environment and different pressures. MATERIALS AND METHODS: One-hundred and twenty-two root canals of male Beagle dog teeth were prepared and filled. The root canals were distributed into three groups, according to the pressure applied: (A) no pressure, (B) 30 kPa, and (C) 60 kPa. Then, the root canals were exposed to the oral environment, establishing sub-groups considering the time intervals of exposure: (1) 45 days and (2) 120 days (n = 17)...
September 15, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28877145/european-society-of-anaesthesiology-and-european-board-of-anaesthesiology-guidelines-for-procedural-sedation-and-analgesia-in-adults
#16
Jochen Hinkelbein, Massimo Lamperti, Jonas Akeson, Joao Santos, Joao Costa, Edoardo De Robertis, Dan Longrois, Vesna Novak-Jankovic, Flavia Petrini, Michel M R F Struys, Francis Veyckemans, Thomas Fuchs-Buder, Robert Fitzgerald
: Procedural sedation and analgesia (PSA) has become a widespread practice given the increasing demand to relieve anxiety, discomfort and pain during invasive diagnostic and therapeutic procedures. The role of, and credentialing required by, anaesthesiologists and practitioners performing PSA has been debated for years in different guidelines. For this reason, the European Society of Anaesthesiology (ESA) and the European Board of Anaesthesiology have created a taskforce of experts that has been assigned to create an evidence-based guideline and, whenever the evidence was weak, a consensus amongst experts on: the evaluation of adult patients undergoing PSA, the role and competences required for the clinicians to safely perform PSA, the commonly used drugs for PSA, the adverse events that PSA can lead to, the minimum monitoring requirements and post-procedure discharge criteria...
September 5, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28871492/frequency-of-antibiotic-associated-diarrhea-and-related-complications-in-pediatric-patients-who-underwent-hypospadias-repair-a-comparative-study-using-probiotics-vs-placebo
#17
Ciro Esposito, Agnese Roberti, Francesco Turrà, Mariapina Cerulo, Giovanni Severino, Alessandro Settimi, Maria Escolino
This study aimed to evaluate the effectiveness of probiotics (Lactobacillus rhamnosus GG), as a preventive measure of antibiotic-associated diarrhea (AAD) in children who underwent hypospadias repair and its clinical consequences on postoperative outcome, comparing the group treated with probiotics + antibiotics with two control groups (only antibiotics and antibiotics + placebo). We performed a prospective, randomized, placebo-controlled study with three groups of patients (30 boys for each group) who underwent hypospadias repair in our unit from March 2016 to December 2016...
September 4, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28858246/thirty-minutes-of-hypobaric-hypoxia-provokes-alterations-of-immune-response-haemostasis-and-metabolism-proteins-in-human-serum
#18
Jochen Hinkelbein, Stefanie Jansen, Ivan Iovino, Silvia Kruse, Moritz Meyer, Fabrizio Cirillo, Hendrik Drinhaus, Andreas Hohn, Corinna Klein, Edoardo De Robertis, Dirk Beutner
Hypobaric hypoxia (HH) during airline travel induces several (patho-) physiological reactions in the human body. Whereas severe hypoxia is investigated thoroughly, very little is known about effects of moderate or short-term hypoxia, e.g. during airline flights. The aim of the present study was to analyse changes in serum protein expression and activation of signalling cascades in human volunteers staying for 30 min in a simulated altitude equivalent to airline travel. After approval of the local ethics committee, 10 participants were exposed to moderate hypoxia (simulation of 2400 m or 8000 ft for 30 min) in a hypobaric pressure chamber...
August 31, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28841282/synthetic-lethality-triggered-by-combining-olaparib-with-brca2-rad51-disruptors
#19
Federico Falchi, Elisa Giacomini, Tiziana Masini, Nicolas Boutard, Lorenza Di Ianni, Marcella Manerba, Fulvia Farabegoli, Lara Rossini, Janet Robertson, Saverio Minucci, Isabella Pallavicini, Giuseppina Di Stefano, Marinella Roberti, Roberto Pellicciari, Andrea Cavalli
In BRCA2-defective cells, poly(adenosine diphosphate [ADP]-ribose) polymerase inhibitors can trigger synthetic lethality, as two independent DNA-repairing mechanisms are simultaneously impaired. Here, we have pharmacologically induced synthetic lethality, which was triggered by combining two different small organic molecules. When administered with a BRCA2-Rad51 disruptor in nonmutant cells, Olaparib showed anticancer activity comparable to that shown when administered alone in BRCA2-defective cells. This strategy could represent an innovative approach to anticancer drug discovery and could be extended to other synthetic lethality pathways...
September 1, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28815565/generation-of-animal-form-by-the-chordin-tolloid-bmp-gradient-100%C3%A2-years-after-d-arcy-thompson
#20
Edward M De Robertis, Yuki Moriyama, Gabriele Colozza
The classic book "On Growth and Form" by naturalist D'Arcy Thompson was published 100 years ago. To celebrate this landmark, we present experiments in the Xenopus embryo that provide a framework for understanding how simple, quantitative transformations of a morphogen gradient might have affected evolution and morphological diversity of organisms. D'Arcy Thompson proposed that different morphologies might be generated by modifying physical parameters in an underlying system of Cartesian coordinates that pre-existed in Nature and arose during evolutionary history...
September 2017: Development, Growth & Differentiation
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