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1. Asthma in patients admitted to emergency department for COVID-19: prevalence and risk of hospitalization

Author

Gabrielli, Maurizio, Pignataro, Giulia, Candelli, Marcello, Sacco Fernandez, Marta, Bizzarri, Martina, Esperide, Alessandra, Franceschi, Francesco, Abbate, Valeria, Nicola, Acampora, Addolorato, Giovanni, Agostini, Fabiana, Ainora, Maria Elena, Akacha, Karim, Amato, Elena, Andreani, Francesca, Andriollo, Gloria, Annetta, Maria Giuseppina, Annicchiarico, Brigida Eleonora, Mariangela, Antonelli, Antonucci, Gabriele, Marco, Anzellotti Gian, Armuzzi, Alessandro, Baldi, Fabiana, Barattucci, Ilaria, Barillaro, Christian, Fabiana, Barone, Bellantone, Rocco Domenico Alfonso, Andrea, Bellieni, Bello, Giuseppe, Benicchi, Andrea, Benvenuto, Francesca, Berardini, Ludovica, Berloco, Filippo, Bernabei, Roberto, Bianchi, Antonio, Biasucci, Daniele Guerino, Biasucci, Luigi Marzio, Stefano, Bibbò, Bini, Alessandra, Alessandra, Bisanti, Biscetti, Federico, Bocci, Maria Grazia, Nicola, Bonadia, Bongiovanni, Filippo, Borghetti, Alberto, Bosco, Giulia, Bosello, Silvia Laura, Bove, Vincenzo, Bramato, Giulia, Brandi, Vincenzo, Teresa, Bruni, Bruno, Carmine, Bruno, Dario, Bungaro, Maria Chiara, Buonomo, Alessandro, Livia, Burzo, Angelo, Calabrese, Rosaria, Calvello Maria, Andrea, Cambieri, Cambise, Chiara, Camma, Giulia, Gennaro, Canistro, Antonello, Cantanale, Capalbo, Gennaro, Capaldi, Lorenzo, Capone, Emanuele, Capristo, Esmeralda, Carbone, Luigi, Silvia, Cardone, Carelli, Simone, Carfi', Angelo, Annamaria, Carnicelli, Caruso, Cristiano, Antonio, Casciaro Francesco, Catalano, Lucio, Cauda, Roberto, Cecchini, Andrea Leonardo, Cerrito, Lucia, Melania, Cesarano, Chiarito, Annalisa, Cianci, Rossella, Cicetti, Marta, Cicchinelli, Sara, Arturo, Ciccullo, Ciciarello, Francesca, Cingolani, Antonella, Cipriani, Maria Camilla, Consalvo, Ludovica Maria, Coppola, Gaetano, Corbo, Giuseppe Maria, Corsello, Andrea, Costante, Federico, Matteo, Costanzi, Covino, Marcello, Davide, Crupi, Lucio, Cutuli Salvatore, D'Addio, Stefano, D'Alessandro, Alessia, D'Alfonso, Maria Elena, D'Angelo, Emanuela, Francesca, D’Aversa, Damiano, Fernando, De Maria, Berardinis Gian, De Cunzo, Tommaso, De Gaetano Donati, Katleen, De Luca, Giulio, De Matteis, Giuseppe, De Pascale, Gennaro, De Paolo, Santis, De Martina, Siena, De Francesco, Vito, Del Valeria, Gatto, Del Paola, Giacomo, Del Fabio, Zompo, Maria, Dell’Anna Antonio, Della Davide, Polla, Di Luca, Gialleonardo, Di Simona, Giambenedetto, Di Roberta, Luca, Di Luca, Maurizio, Di Mariangela, Muro, Alex, Dusina, Davide, Eleuteri, Alessandra, Esperide, Daniele, Facheci, Domenico, Faliero, Cinzia, Falsiroli, Massimo, Fantoni, Annalaura, Fedele, Daniela, Feliciani, Cristina, Ferrante, Giuliano, Ferrone, Rossano, Festa, Chiara, Fiore Maria, Andrea, Flex, Evelina, Forte, Francesco, Franceschi, Alessandra, Francesconi, Laura, Franza, Barbara, Funaro, Mariella, Fuorlo, Domenico, Fusco, Maurizio, Gabrielli, Eleonora, Gaetani, Claudia, Galletta, Antonella, Gallo, Giovanni, Gambassi, Matteo, Garcovich, Antonio, Gasbarrini, Irene, Gasparrini, Silvia, Gelli, Antonella, Giampietro, Laura, Gigante, Gabriele, Giuliano, Giorgia, Giuliano, Bianca, Giupponi, Elisa, Gremese, Luca, Grieco Domenico, Manuel, Guerrera, Valeria, Guglielmi, Caterina, Guidone, Antonio, Gullì, Amerigo, Iaconelli, Aurora, Iafrati, Ianiro, Gianluca, Angela, Iaquinta, Michele, Impagnatiello, Riccardo, Inchingolo, Enrica, Intini, Raffaele, Iorio, Maria, Izzi Immacolata, Tamara, Jovanovic, Cristina, Kadhim, Rosa, La Macchia, Ignazio, La Milia Daniele, Francesco, Landi, Giovanni, Landi, Rosario, Landi, Raffaele, Landolfi, Massimo, Leo, Maria, Leone Paolo, Laura, Levantesi, Antonio, Liguori, Rosa, Liperoti, Maria, Lizzio Marco, Rita, Lo Monaco Maria, Pietro, Locantore, Francesco, Lombardi, Gianmarco, Lombardi, Loris, Lopetuso, Valentina, Loria, Raffaella, Losito Angela, Patricia, Lucia Mothanje Barbara, Francesco, Macagno, Noemi, Macerola, Giampaolo, Maggi, Giuseppe, Maiuro, Francesco, Mancarella, Francesca, Mangiola, Alberto, Manno, Debora, Marchesini, Marco, Maresca Gian, Giuseppe, Marrone, Ilaria, Martis, Maria, Martone Anna, Marzetti, Emanuele, Chiara, Mattana, Valeria, Matteo Maria, Riccardo, Maviglia, Ada, Mazzarella, Carmen, Memoli, Luca, Miele, Alessio, Migneco, Irene, Mignini, Alessandro, Milani, Domenico, Milardi, Massimo, Montalto, Giuliano, Montemurro, Flavia, Monti, Montini, Luca, Christian, Morena Tony, Vincenzina, Morra, Davide, Moschese, Ambra, Murace Celeste, Martina, Murdolo, Rita, Murri, Marco, Napoli, Elisabetta, Nardella, Gerlando, Natalello, Daniele, Natalini, Maria, Navarra Simone, Antonio, Nesci, Alberto, Nicoletti, Rocco, Nicoletti, Filippo, Nicoletti Tommaso, Rebecca, Nicolò, Nicola, Nicolotti, Celestino, Nista Enrico, Eugenia, Nuzzo, Marco, Oggiano, Veronica, Ojetti, Cosimo, Pagano Francesco, Gianfranco, Paiano, Cristina, Pais, Federico, Paolillo, Federico, Pallavicini, Andrea, Palombo, Alfredo, Papa, Domenico, Papanice, Giovanni, Papparella Luigi, Mattia, Paratore, Giuseppe, Parrinello, Giuliana, Pasciuto, Pierpaolo, Pasculli, Giovanni, Pecorini, Simone, Perniola, Erika, Pero, Luca, Petricca, Martina, Petrucci, Chiara, Picarelli, Andrea, Piccioni, Annalisa, Piccolo, Edoardo, Piervincenzi, Giulia, Pignataro, Raffaele, Pignataro, Gabriele, Pintaudi, Luca, Pisapia, Marco, Pizzoferrato, Fabrizio, Pizzolante, Roberto, Pola, Caterina, Policola, Maurizio, Pompili, Flavia, Pontecorvi, Valerio, Pontecorvi, Francesca, Ponziani, Valentina, Popolla, Enrica, Porceddu, Angelo, Porfidia, Maria, Porro Lucia, Annalisa, Potenza, Francesca, Pozzana, Giuseppe, Privitera, Daniela, Pugliese, Gabriele, Pulcini, Simona, Racco, Francesca, Raffaelli, Vittoria, Ramunno, Ludovico, Rapaccini Gian, Richeldi, Luca, Rinninella, Emanuele, Sara, Rocchi, Bruno, Romanò, Stefano, Romano, Federico, Rosa, Laura, Rossi, Raimondo, Rossi, Enrica, Rossini, Elisabetta, Rota, Fabiana, Rovedi, Carlotta, Rubino, Gabriele, Rumi, Andrea, Russo, Luca, Sabia, Andrea, Salerno, Sara, Salini, Lucia, Salvatore, Dehara, Samori, Sandroni, Claudio, Maurizio, Sanguinetti, Luca, Santarelli, Paolo, Santini, Danilo, Santolamazza, Angelo, Santoliquido, Francesco, Santopaolo, Cosimo, Santoro Michele, Francesco, Sardeo, Caterina, Sarnari, Angela, Saviano, Luisa, Saviano, Scaldaferri, Franco, Roberta, Scarascia, Tommaso, Schepis, Francesca, Schiavello, Giancarlo, Scoppettuolo, Davide, Sedda, Flaminio, Sessa, Luisa, Sestito, Carlo, Settanni, Matteo, Siciliano, Valentina, Siciliano, Rossella, Sicuranza, Benedetta, Simeoni, Jacopo, Simonetti, Andrea, Smargiassi, Maurizio, Soave Paolo, Chiara, Sonnino, Domenico, Staiti, Claudia, Stella, Leonardo, Stella, Eleonora, Stival, Eleonora, Taddei, Rossella, Talerico, Elio, Tamburello, Enrica, Tamburrini, Sofia, Tanzarella Eloisa, Elena, Tarascio, Claudia, Tarli, Alessandra, Tersali, Pietro, Tilli, Jacopo, Timpano, Enrico, Torelli, Flavia, Torrini, Matteo, Tosato, Alberto, Tosoni, Luca, Tricoli, Marcello, Tritto, Mario, Tumbarello, Maria, Tummolo Anita, Sole, Vallecoccia Maria, Federico, Valletta, Francesco, Varone, Francesco, Vassalli, Giulio, Ventura, Lucrezia, Verardi, Lorenzo, Vetrone, Giuseppe, Vetrugno, Elena, Visconti, Felicia, Visconti, Andrea, Viviani, Raffaella, Zaccaria, Carmelina, Zaccone, Lorenzo, Zelano, Lorenzo, Zileri Dal Verme, and Giuseppe, Zuccalà

Subjects
2019-20 coronavirus outbreak, medicine.medical_specialty, Coronavirus disease 2019 (COVID-19), business.industry, Emergency department, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), COVID-19, Settore MED/10 - MALATTIE DELL'APPARATO RESPIRATORIO, asthma, medicine.disease, Hospitalization, Emergency medicine, CE-Research Letter to the Editor, SARS-CoV2, Emergency Medicine, Internal Medicine, medicine, Prevalence, Humans, In patient, business, Emergency Service, Hospital, Asthma, Retrospective Studies
Published
2021

2. COVID-19 and intestinal inflammation: Role of fecal calprotectin

Author

Veronica Ojetti, Angela Saviano, Marcello Covino, Nicola Acampora, Eliana Troiani, Francesco Franceschi, Valeria Abbate, Giovanni Addolorato, Fabiana Agostini, Maria Elena Ainora, Karim Akacha, Elena Amato, Francesca Andreani, Gloria Andriollo, Maria Giuseppina Annetta, Brigida Eleonora Annicchiarico, Mariangela Antonelli, Gabriele Antonucci, Gian Marco Anzellotti, Alessandro Armuzzi, Fabiana Baldi, Ilaria Barattucci, Christian Barillaro, Fabiana Barone, Rocco Domenico Alfonso Bellantone, Andrea Bellieni, Giuseppe Bello, Andrea Benicchi, Francesca Benvenuto, Ludovica Berardini, Filippo Berloco, Roberto Bernabei, Antonio Bianchi, Daniele Guerino Biasucci, Luigi Marzio Biasucci, Stefano Bibbò, Alessandra Bini, Alessandra Bisanti, Federico Biscetti, Maria Grazia Bocci, Nicola Bonadia, Filippo Bongiovanni, Alberto Borghetti, Giulia Bosco, Silvia Bosello, Vincenzo Bove, Giulia Bramato, Vincenzo Brandi, Teresa Bruni, Carmine Bruno, Dario Bruno, Maria Chiara Bungaro, Alessandro Buonomo, Livia Burzo, Angelo Calabrese, Maria Rosaria Calvello, Andrea Cambieri, Chiara Cambise, Giulia Cammà, Marcello Candelli, Gennaro Canistro, Antonello Cantanale, Gennaro Capalbo, Lorenzo Capaldi, Emanuele Capone, Esmeralda Capristo, Luigi Carbone, Silvia Cardone, Simone Carelli, Angelo Carfì, Annamaria Carnicelli, Cristiano Caruso, Francesco Antonio Casciaro, Lucio Catalano, Roberto Cauda, Andrea Leonardo Cecchini, Lucia Cerrito, Melania Cesarano, Annalisa Chiarito, Rossella Cianci, Sara Cicchinelli, Arturo Ciccullo, Marta Cicetti, Francesca Ciciarello, Antonella Cingolani, Maria Camilla Cipriani, Maria Ludovica Consalvo, Gaetano Coppola, Giuseppe Maria Corbo, Andrea Corsello, Federico Costante, Matteo Costanzi, Davide Crupi, Salvatore Lucio Cutuli, Stefano D'Addio, Alessia D'Alessandro, Maria ElenaEmanuela D'AlfonsoD'Angelo, Francesca D'Aversa, Fernando Damiano, Gian Maria De Berardinis, Tommaso De Cunzo, Donati Katleen De Gaetano, Giulio De Luca, Giuseppe De Matteis, Gennaro De Pascale, Paolo De Santis, Martina De Siena, Francesco De Vito, Valeria Del Gatto, Paola Del Giacomo, Fabio Del Zompo, Antonio Maria Dell'Anna, Davide Della Polla, Luca Di Gialleonardo, Simona Di Giambenedetto, Roberta Di Luca, Luca Di Maurizio, Mariangela Di Muro, Alex Dusina, Davide Eleuteri, Alessandra Esperide, Daniele Fachechi, Domenico Faliero, Cinzia Falsiroli, Massimo Fantoni, Annalaura Fedele, Daniela Feliciani, Cristina Ferrante, Giuliano Ferrone, Rossano Festa, Maria Chiara Fiore, Andrea Flex, Evelina Forte, Alessandra Francesconi, Laura Franza, Barbara Funaro, Mariella Fuorlo, Domenico Fusco, Maurizio Gabrielli, Eleonora Gaetani, Claudia Galletta, Antonella Gallo, Giovanni Gambassi, Matteo Garcovich, Antonio Gasbarrini, Irene Gasparrini, Silvia Gelli, Antonella Giampietro, Laura Gigante, Gabriele Giuliano, Giorgia Giuliano, Bianca Giupponi, Elisa Gremese, Domenico Luca Grieco, Manuel Guerrera, Valeria Guglielmi, Caterina Guidone, Antonio Gullì, Amerigo Iaconelli, Aurora Iafrati, Gianluca Ianiro, Angela Iaquinta, Michele Impagnatiello, Riccardo Inchingolo, Enrica Intini, Raffaele Iorio, Immacolata Maria Izzi, Tamara Jovanovic, Cristina Kadhim, Rosa La Macchia, Daniele Ignazio La Milia, Francesco Landi, Giovanni Landi, Rosario Landi, Raffaele Landolfi, Massimo Leo, Paolo Maria Leone, Laura Levantesi, Antonio Liguori, Rosa Liperoti, Marco Maria Lizzio, Maria Rita Lo Monaco, Pietro Locantore, Francesco Lombardi, Gianmarco Lombardi, Loris Lopetuso, Valentina Loria, Angela Raffaella Losito, Mothanje Barbara Patricia Lucia, Francesco Macagno, Noemi Macerola, Giampaolo Maggi, Giuseppe Maiuro, Francesco Mancarella, Francesca Mangiola, Alberto Manno, Debora Marchesini, Gian Marco Maresca, Giuseppe Marrone, Ilaria Martis, Anna Maria Martone, Emanuele Marzetti, Chiara Mattana, Maria Valeria Matteo, Riccardo Maviglia, Ada Mazzarella, Carmen Memoli, Luca Miele, Alessio Migneco, Irene Mignini, Alessandro Milani, Domenico Milardi, Massimo Montalto, Giuliano Montemurro, Flavia Monti, Luca Montini, Tony Christian Morena, Vincenzina Morra, Chiara Morretta, Davide Moschese, Celeste Ambra Murace, Martina Murdolo, Rita Murri, Marco Napoli, Elisabetta Nardella, Gerlando Natalello, Daniele Natalini, Simone Maria Navarra, Antonio Nesci, Alberto Nicoletti, Rocco Nicoletti, Tommaso Filippo Nicoletti, Rebecca Nicolò, Nicola Nicolotti, Enrico Celestino Nista, Eugenia Nuzzo, Marco Oggiano, Francesco Cosimo Pagano, Gianfranco Paiano, Cristina Pais, Federico Pallavicini, Andrea Palombo, Federico Paolillo, Alfredo Papa, Domenico Papanice, Luigi Giovanni Papparella, Mattia Paratore, Giuseppe Parrinello, Giuliana Pasciuto, Pierpaolo Pasculli, Giovanni Pecorini, Simone Perniola, Erika Pero, Luca Petricca, Martina Petrucci, Chiara Picarelli, Andrea Piccioni, Annalisa Piccolo, Edoardo Piervincenzi, Giulia Pignataro, Raffaele Pignataro, Gabriele Pintaudi, Luca Pisapia, Marco Pizzoferrato, Fabrizio Pizzolante, Roberto Pola, Caterina Policola, Maurizio Pompili, Flavia Pontecorvi, Valerio Pontecorvi, Francesca Ponziani, Valentina Popolla, Enrica Porceddu, Angelo Porfidia, Lucia Maria Porro, Annalisa Potenza, Francesca Pozzana, Giuseppe Privitera, Daniela Pugliese, Gabriele Pulcini, Simona Racco, Francesca Raffaelli, Vittoria Ramunno, Gian Ludovico Rapaccini, Luca Richeldi, Emanuele Rinninella, Sara Rocchi, Bruno Romanò, Stefano Romano, Federico Rosa, Laura Rossi, Raimondo Rossi, Enrica Rossini, Elisabetta Rota, Fabiana Rovedi, Carlotta Rubino, Gabriele Rumi, Andrea Russo, Luca Sabia, Andrea Salerno, Sara Salini, Lucia Salvatore, Dehara Samori, Claudio Sandroni, Maurizio Sanguinetti, Luca Santarelli, Paolo Santini, Danilo Santolamazza, Angelo Santoliquido, Francesco Santopaolo, Michele Cosimo Santoro, Francesco Sardeo, Caterina Sarnari, Luisa Saviano, Franco Scaldaferri, Roberta Scarascia, Tommaso Schepis, Francesca Schiavello, Giancarlo Scoppettuolo, Davide Sedda, Flaminio Sessa, Luisa Sestito, Carlo Settanni, Matteo Siciliano, Valentina Siciliano, Rossella Sicuranza, Benedetta Simeoni, Jacopo Simonetti, Andrea Smargiassi, Paolo Maurizio Soave, Chiara Sonnino, Domenico Staiti, Claudia Stella, Leonardo Stella, Eleonora Stival, Eleonora Taddei, Rossella Talerico, Elio Tamburello, Enrica Tamburrini, Eloisa Sofia Tanzarella, Elena Tarascio, Claudia Tarli, Alessandra Tersali, Pietro Tilli, Jacopo Timpano, Enrico Torelli, Flavia Torrini, Matteo Tosato, Alberto Tosoni, Luca Tricoli, Marcello Tritto, Mario Tumbarello, Anita Maria Tummolo, Maria Sole Vallecoccia, Federico Valletta, Francesco Varone, Francesco Vassalli, Giulio Ventura, Lucrezia Verardi, Lorenzo Vetrone, Giuseppe Vetrugno, Elena Visconti, Felicia Visconti, Andrea Viviani, Raffaella Zaccaria, Carmelina Zaccone, Lorenzo Zelano, Lorenzo Zileri Dal Verme, and Giuseppe Zuccalà

Subjects
Adult, Male, medicine.medical_specialty, 2019-20 coronavirus outbreak, Coronavirus disease 2019 (COVID-19), Settore MED/12 - GASTROENTEROLOGIA, Pneumonia, Viral, Severity of Illness Index, Gastroenterology, Betacoronavirus, Feces, Intestinal mucosa, Intestinal inflammation, Internal medicine, Settore MED/41 - ANESTESIOLOGIA, medicine, Humans, Viral, Intestinal Mucosa, Letter to the Editor, Pandemics, Leukocyte L1 Antigen Complex, Hepatology, SARS-CoV-2, business.industry, Settore MED/09 - MEDICINA INTERNA, COVID-19, Pneumonia, Middle Aged, fecal calprotectin, Case-Control Studies, Female, Calprotectin, Coronavirus Infections, business, Biomarkers
Published
2020

3. Fever of unknown origin and splenomegaly: A case report of blood culture negative endocarditis

Author

Mariangela Antonelli, Maria Livia Burzo, Angela Favuzzi, Andrea Flex, Giovanni Pecorini, and Raffaele Landolfi

Subjects
Aortic valve, Bartonella, medicine.medical_specialty, Fever, 030204 cardiovascular system & hematology, Transesophageal echocardiogram, Real-Time Polymerase Chain Reaction, Fever of Unknown Origin, Serology, Diagnosis, Differential, 03 medical and health sciences, 0302 clinical medicine, Internal medicine, medicine, Endocarditis, Humans, 030212 general & internal medicine, Clinical Case Report, Fever of unknown origin, biology, medicine.diagnostic_test, business.industry, Settore MED/09 - MEDICINA INTERNA, Cat-Scratch Disease, General Medicine, Endocarditis, Bacterial, Middle Aged, medicine.disease, biology.organism_classification, Valvular disease, Combined Modality Therapy, echocardiogram, Anti-Bacterial Agents, Stenosis, medicine.anatomical_structure, Echocardiography, Splenomegaly, Gentamicin, Female, business, medicine.drug, Research Article
Abstract

Rationale: Fever of unknown origin (FUO) can be determined by different conditions among which infectious diseases represent the main cause. Patient concerns: A young woman, with a history of aortic stenosis, was admitted to our unit for a month of intermittent fever associated with a new diastolic heart murmur and splenomegaly. Laboratory tests were negative for infectious screening. The total body computed tomography (CT) scan excluded abscesses, occulted neoplasia, or lymphadenopathy. Diagnoses: The transthoracic and transesophageal echocardiogram showed an aortic valve vegetation. Three sets of blood cultures were negative for all microorganisms tested. According to these findings, Bartonella endocarditis was suspected and the serology tests performed were positive. Finally, real-time polymerase chain reaction (RT-PCR) detected Bartonella henselae DNA on tissue valve. Interventions: The patient underwent heart valve surgery and a treatment of Ampicillin, Gentamicin, and oral Doxycycline was prescribed for 16 days and, successively, with Doxycycline and Ceftriaxone for 6 weeks. Outcomes: After surgery and antibiotic therapy, patient continued to do well. Lessons: Bartonella species are frequently the cause of negative blood culture endocarditis. Molecular biology techniques are the only useful tool for diagnosis. Valvular replacement is often necessary and antibiotic regimen with Gentamicin and either Ceftriaxone or Doxycycline is suggested as treatment. Echocardiogram and blood cultures must be performed in all cases of FUO. When blood cultures are negative and echocardiographic tools are indicative, early use of Bartonella serology is recommended.

Published
2017

4. Association between TNFRSF11B gene polymorphisms and history of ischemic stroke in Italian diabetic patients

Author

Angelo Santoliquido, Carlo Filippo Porreca, Silvia Giovannini, Andrea Flex, Federico Biscetti, Giuseppe Straface, Luca Santoro, Giovanni Pecorini, Flavia Angelini, and Giovanni Ghirlanda

Subjects
Male, Genetic profile, medicine.medical_specialty, TNFRSF11B gene polymorphisms, Biology, Polymorphism, Single Nucleotide, Gastroenterology, Diabetes Complications, Osteoprotegerin, Risk Factors, Internal medicine, Diabetes mellitus, Genotype, Genetics, medicine, Humans, Stroke, Genetic Association Studies, Genetics (clinical), Aged, Retrospective Studies, Base Sequence, Diabetes, Settore MED/09 - MEDICINA INTERNA, Case-control study, Retrospective cohort study, DNA, medicine.disease, Molecular medicine, Italy, History of ischemic stroke, Case-Control Studies, Female, Restriction fragment length polymorphism
Abstract

Osteoprotegerin (OPG) is a secretory glycoprotein that belongs to the tumor necrosis factor receptor family and plays a role in atherosclerosis. The present study aimed to evaluate whether OPG gene (TNFRSF11B) polymorphisms are involved in ischemic stroke in an Italian population with diabetes. Participants in a retrospective case–control study included 364 diabetic patients (180 males, 184 females) with history of ischemic stroke and 492 diabetic subjects without history of ischemic stroke (252 males, 240 females). The T245G, T950C, and G1181C polymorphisms of the OPG gene were analyzed by polymerase chain reaction and restriction fragment length polymorphism. We found that the T245G, T950C, and G1181C gene polymorphisms of the OPG gene were significantly (34.1 vs. 9.5 %, P

Published
2012
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5. Increased FGF23 serum level is associated with unstable carotid plaque in type 2 diabetic subjects with internal carotid stenosis

Author

Flavia Angelini, Antonio Bianchi, Raffaele Landolfi, Claudio Vincenzoni, Francesco Snider, Andrea Flex, Giovanni Pecorini, Giuseppe Straface, Carlo Filippo Porreca, Giovanni Bertoletti, Vincenzo Arena, Egidio Stigliano, and Federico Biscetti

Subjects
Male, medicine.medical_specialty, Internal carotid artery stenosis, Endocrinology, Diabetes and Metabolism, Carotid arteries, medicine.medical_treatment, education, Unstable Plaque, Type 2 diabetes, FGF23, Internal medicine, Diabetes mellitus, Humans, Medicine, Carotid Stenosis, Aged, Retrospective Studies, Original Investigation, Endarterectomy, Angiology, Endarterectomy, Carotid, business.industry, Settore MED/09 - MEDICINA INTERNA, Ultrasonography, Doppler, medicine.disease, Plaque, Atherosclerotic, Fibroblast Growth Factors, Fibroblast Growth Factor-23, stomatognathic diseases, Stenosis, Diabetes Mellitus, Type 2, Cardiology, Female, OPG, Ultrasonography, Cardiology and Cardiovascular Medicine, business, Carotid Artery, Internal
Abstract

Background The object of this study was to investigate the potential role of FGF23 on plaque stability in type 2 diabetic patients with internal carotid artery stenosis. Methods In this retrospective observational study, we analyzed FGF23 serum level in 361 type 2 diabetic patients with internal carotid artery stenosis undergoing carotid endarterectomy and in 598 diabetic controls without carotid atherosclerosis. Results We found that FGF23 median serum levels was significantly higher in patients than in diabetic controls [67.7 (59.5–77.8) pg/mL and 43.89 (37.5–50.4), P

Published
2015
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6. Analysis of Functional Polymorphisms of Metalloproteinase Genes in Persons With Vascular Dementia and Alzheimer's Disease

Author

Alexandra Sabusco, Andrea Flex, Giovanni Pecorini, Eleonora Gaetani, Roberto Pola, Anna S. Proia, Roberto Flore, Giuseppe Fioroni, Paolo Tondi, Giuseppe Straface, Paolo Pola, and Federico Biscetti

Subjects
Male, Apolipoprotein E, Oncology, Aging, medicine.medical_specialty, Genotype, Disease, Apolipoproteins E, Alzheimer Disease, Internal medicine, medicine, Humans, Dementia, Allele, Vascular dementia, Aged, Aged, 80 and over, Polymorphism, Genetic, business.industry, Dementia, Vascular, Odds ratio, medicine.disease, Matrix Metalloproteinases, Cross-Sectional Studies, Genetic marker, Immunology, Female, Geriatrics and Gerontology, business
Abstract

Background. Vascular dementia (VAD) and Alzheimer’s disease (AD) may share common neuropathological mechanisms. Matrix metalloproteinases (MMPs) may induce destruction of the extracellular matrix, neuronal dysfunction, and death. Increased expression of these molecules has been found in a number of neurological diseases, including cerebral ischemia and AD. Expression and activity of MMPs may be genetically influenced by common polymorphisms in the promoter regions of the corresponding genes. The purpose of this study was to evaluate whether functional polymorphisms of MMP genes are associated with dementia. Methods. This is a cross-sectional study including a total of 599 individuals: 193 with VAD, 183 with AD, and 223 controls. Polymorphisms of the MMP-1, MMP-3, and MMP-9 genes were studied. Results. MMP-1 2G2G, MMP-1 1G2G, MMP-3 5A5A, and MMP-9 TT genotypes were significantly and independently associated with VAD (odds ratio [OR] 2.5, 95% confidence interval [CI] 1.4–4.4, OR ¼ 1.7, 95% CI, 1.0–2.7, OR ¼ 2.9, 95% CI, 1.5–5.9, and OR ¼ 6.8, 95% CI, 1.3–35.1, respectively). MMP-1 2G2G and MMP-3 5A5A genotypes were associated with increased risk of AD only in persons who carry the apolipoprotein E (APOE) e4 allele (OR ¼ 6.0, 95% CI, 2.3–15.5, and OR ¼ 14.3, 95% CI, 3.2–63.0, respectively). Interestingly, the odds of VAD and AD was further increased in persons concomitantly carrying more than one MMP gene variation, compared to individuals that only had one high-risk genotype. Conclusions. Our study suggests that MMP gene polymorphisms are associated with VAD and AD, although these results need to be treated with caution until replicated. MMP genotypes may influence the risk of dementia and merit further investigation as potential genetic markers of disease.

Published
2006
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7. Cilostazol improves the response to ischemia in diabetic mice by a mechanism dependent on PPARγ

Author

Federico Biscetti, Andrea Flex, Vincenzo Arena, Giovanni Ghirlanda, Flavia Angelini, Gianfranco Ferraccioli, Giovanni Pecorini, and Egidio Stigliano

Subjects
Male, Vascular Endothelial Growth Factor A, medicine.medical_specialty, PPARγ, Angiogenesis, Ischemia, Peroxisome proliferator-activated receptor, Neovascularization, Physiologic, Tetrazoles, Biochemistry, Diabetes Mellitus, Experimental, Mice, Endocrinology, Internal medicine, Diabetes mellitus, medicine, Animals, Receptor, Molecular Biology, chemistry.chemical_classification, business.industry, Diabetes, Settore MED/09 - MEDICINA INTERNA, medicine.disease, Streptozotocin, Cilostazol, Hindlimb, Mice, Inbred C57BL, PPAR gamma, chemistry, Regional Blood Flow, Angiogenesis Inducing Agents, business, Perfusion, medicine.drug
Abstract

Cilostazol is effective for the treatment of peripheral ischemia. This compound has several beneficial effects on platelet aggregation, serum lipids and endothelial cells, and we recently found that it enhances collateral blood flow in the ischemic hind limbs of mice. Peroxisome proliferator-activated receptor (PPAR)γ, a receptor for thiazolidinediones, plays a role in angiogenesis. The aim of this work was to investigate the underlying molecular mechanisms and effects of cilostazol in a model of peripheral ischemia in diabetic mice. We induced diabetes in mice by streptozotocin (STZ) administration and studied ischemia-induced angiogenesis in the ischemic hind limbs of cilostazol-treated and untreated control mice. We found that perfusion recovery was significantly improved in treated compared with control diabetic mice. Interestingly, we found that the expression of PPARγ is reduced in ischemic tissues of diabetic mice. Furthermore, we discovered that local inhibition of the activity of this nuclear receptor decreased the angiogenic response to cilostazol treatment. Finally, we noted that this phenomenon is dependent on VEGF and modulated by PPARγ. Cilostazol administration enhances collateral blood flow in the ischemic hind limbs of STZ-induced diabetic mice through a PPARγ-dependent mechanism.

Published
2013

8. Cilostazol promotes angiogenesis after peripheral ischemia through a VEGF-dependent mechanism

Author

Federico Biscetti, Andrea Flex, Giovanni Ghirlanda, Giovanni Pecorini, Egidio Stigliano, Flavia Angelini, Franco Locatelli, Giuseppe Straface, Vincenzo Arena, and Sergio Rutella

Subjects
Male, Vascular Endothelial Growth Factor A, medicine.medical_specialty, Angiogenesis, Vasodilator Agents, Neovascularization, Physiologic, Tetrazoles, Hindlimb, Neovascularization, chemistry.chemical_compound, Mice, Downregulation and upregulation, Ischemia, Internal medicine, medicine, Animals, Progenitor cell, peripheral ischemia, business.industry, Settore MED/09 - MEDICINA INTERNA, Cilostazol, Vascular endothelial growth factor, VEGF, Intermittent claudication, Up-Regulation, Mice, Inbred C57BL, Disease Models, Animal, Endocrinology, chemistry, medicine.symptom, Cardiology and Cardiovascular Medicine, business, medicine.drug
Abstract

Background/objectives Cilostazol has been found to be effective for the treatment of intermittent claudication (IC). This compound has several beneficial effects on platelet aggregation, serum lipids and endothelial cells, but how these might relate to improvements in walking is not entirely understood. The aim of this work was to investigate the effects of cilostazol on angiogenic response in a murine model of peripheral ischemia and to clarify the underlying molecular mechanisms of that response. Methods We studied ischemia-induced neovascularization in the ischemic hindlimb of cilostazol-treated and untreated control mice. Results We found that the perfusion recovery was significantly improved in treated compared with control mice. Interestingly, there was a higher level of circulating endothelial progenitor cells (EPCs) in mice treated with cilostazol than in untreated mice. Furthermore, cilostazol administration resulted in upregulation of granulocyte colony-stimulating factor (G-CSF) and vascular endothelial growth factor (VEGF) in the ischemic muscle of treated mice. Finally, inhibiting VEGF activity significantly reduced cilostazol-induced angiogenesis. Conclusions The results of this study show that cilostazol administration enhances collateral blood flow in the ischemic hindlimbs of mice through a VEGF-dependent mechanism. These data may help to explain the beneficial effects that this drug has on patients with peripheral arterial disease (PAD) and IC.

Published
2012

9. Sonic Hedgehog Regulates Angiogenesis and Myogenesis During Post-Natal Skeletal Muscle Regeneration

Author

Egidio Stigliano, John J. Castellot, Douglas W. Losordo, Federico Biscetti, Giovanni Pecorini, Roy C. Smith, Flavia Angelini, Eleonora Gaetani, Giuseppe Straface, Roberto Pola, Andrea Flex, Enrico Pola, Tamar Aprahamian, Straface, G, Aprahamian, T, Flex, A, Gaetani, E, Biscetti, F, Smith, Rc, Pecorini, G, Pola, E, Angelini, F, Stigliano, E, Castellot, Jj, Losordo, Dw, and Pola, R

Subjects
medicine.medical_specialty, animal structures, Angiogenesis, Neovascularization, Physiologic, Tissue Regeneration, MyoD, Mice, chemistry.chemical_compound, sonic hedgehog, angiogenesis, Internal medicine, skeletal muscle regeneration, medicine, Animals, Hedgehog Proteins, Sonic hedgehog, skeletal muscle, Muscle, Skeletal, biology, Myogenesis, Settore MED/09 - MEDICINA INTERNA, Skeletal muscle, angiogenesi, Cell Biology, Hedgehog signaling pathway, Cell biology, Mice, Inbred C57BL, Vascular endothelial growth factor, Endocrinology, medicine.anatomical_structure, chemistry, regeneration, Myogenic regulatory factors, embryonic structures, biology.protein, Molecular Medicine, myogenesis
Abstract

Sonic hedgehog (Shh) is a morphogen regulating crucial epithelial-mesenchymal interactions during embryonic development, but its signaling pathway is considered generally silent in post-natal life. In this study, we demonstrate that Shh is de novo expressed after injury and during regeneration of the adult skeletal muscle. Shh expression is followed by significant upregulation of its receptor and target gene Ptc1 in injured and regenerating muscles. The reactivation of the Shh signaling pathway has an important regulatory role on injury-induced angiogenesis, as inhibition of Shh function results in impaired upregulation of prototypical angiogenic agents, such as vascular endothelial growth factor (VEGF) and stromal-derived factor (SDF)-1alpha, decreased muscle blood flow, and reduced capillary density after injury. In addition, Shh reactivation plays a regulatory role on myogenesis, as its inhibition impairs the activation of the myogenic regulatory factors Myf-5 and MyoD, decreases the upregulation of insulin-like growth factor (IGF)-1, and reduces the number of myogenic satellite cells at injured site. Finally, Shh inhibition results in muscle fibrosis, increased inflammatory reaction, and compromised motor functional recovery after injury. These data demonstrate that the Shh pathway is functionally important for adult skeletal muscle regeneration and displays pleiotropic angiogenic and myogenic potentials in post-natal life. These findings might constitute the foundation for new therapeutic approaches for muscular diseases in humans. Sonic hedgehog (Shh) is a morphogen-regulating crucial epithelial-mesenchymal interactions during embryonic development, but its signalling pathway is considered generally silent in post-natal life. In this study, we demonstrate that Shh is de novo expressed after injury and during regeneration of the adult skeletal muscle. Shh expression is followed by significant up-regulation of its receptor and target gene Ptc1 in injured and regenerating muscles. The reactivation of the Shh signalling pathway has an important regulatory role on injury-induced angiogenesis, as inhibition of Shh function results in impaired up-regulation of prototypical angiogenic agents, such as vascular endothelial growth factor (VEGF) and stromal-derived factor (SDF)-1alpha, decreased muscle blood flow and reduced capillary density after injury. In addition, Shh reactivation plays a regulatory role on myogenesis, as its inhibition impairs the activation of the myogenic regulatory factors Myf-5 and MyoD, decreases the up-regulation of insulin-like growth factor (IGF)-1 and reduces the number of myogenic satellite cells at injured site. Finally, Shh inhibition results in muscle fibrosis, increased inflammatory reaction and compromised motor functional recovery after injury. These data demonstrate that the Shh pathway is functionally important for adult skeletal muscle regeneration and displays pleiotropic angiogenic and myogenic potentials in post-natal life. These findings might constitute the foundation for new therapeutic approaches for muscular diseases in humans.

Published
2009

10. Growth hormone receptor polymorphism and the effects of pegvisomant in acromegaly

Author

Vincenzo Cimino, Gherardo Mazziotti, Flora Veltri, Giovanni Pecorini, Antonio Bianchi, L. Tilaro, Laura De Marinis, Alfredo Pontecorvi, Andrea Giustina, Eleonora Gaetani, Bianchi, A, Mazziotti, G, Tilaro, L, Cimino, V, Veltri, F, Gaetani, E, Pecorini, G, Pontecorvi, A, Giustina, Andrea, and De Marinis, L.

Subjects
Adult, Male, Oncology, medicine.medical_specialty, Endocrinology, Diabetes and Metabolism, Somatostatin Analog Therapy, Growth hormone receptor, Polymerase Chain Reaction, Young Adult, Endocrinology, Internal medicine, Genotype, Acromegaly, Humans, Medicine, Insulin-Like Growth Factor I, Receptor, Aged, Polymorphism, Genetic, Human Growth Hormone, business.industry, Settore MED/13 - ENDOCRINOLOGIA, Exons, Receptors, Somatotropin, Middle Aged, medicine.disease, Regimen, Haplotypes, Pegvisomant, Female, Neurosurgery, business, medicine.drug
Abstract

Background Sensitivity to pegvisomant therapy is highly variable in patients with acromegaly but determinants of this variability are still unknown. Lack of exon 3 (d3-) of the growth hormone (GH) receptor (GHR) has been associated with increased biological activity of GH. Objective To assess whether the presence of d3-GHR haplotype may have a role in predicting dose regimen and response to pegvisomant in acromegaly. Design Case series. Setting Institutional referral center at a tertiary care hospital. Patients Ninenteen acromegalic patients with active disease after unsuccessful neurosurgery and somatostatin analog therapy. Measurements before and 1, 3, 6 and 12 months after treatment with pegvisomant, IGF-I; GH receptor genotype, determined from peripheral blood by polymerase chain reaction. All patients started treatment with pegvisomant at 10 mg/daily and then increased the dose, according to a fixed schedule, during a 12-month follow-up until normalization of IGF-I levels. Results d3-GHR patients required a significant lower dose of pegvisomant and shorter treatment time to normalize IGF-I. Conclusion the GHR genotype could be useful in predicting dose and individual response to pegvisomant in acromegaly.

Published
2009

11. Selective activation of peroxisome proliferator-activated receptor (PPAR)alpha and PPAR gamma induces neoangiogenesis through a vascular endothelial growth factor-dependent mechanism

Author

Roberto Pola, John J. Castellot, Teresa Hopkins, Giovanni Pecorini, Egidio Stigliano, Eleonora Gaetani, Tamar Aprahamian, Flavia Angelini, Federico Biscetti, Roy C. Smith, Andrea Flex, and Giuseppe Straface

Subjects
Vascular Endothelial Growth Factor A, medicine.medical_specialty, Umbilical Veins, Endothelium, PPARs, Angiogenesis, Endocrinology, Diabetes and Metabolism, medicine.medical_treatment, Peroxisome proliferator-activated receptor, Neovascularization, Physiologic, Suramin, Biology, Neovascularization, chemistry.chemical_compound, angiogenesis, Cell Movement, Internal medicine, Internal Medicine, medicine, Humans, PPAR alpha, Protein kinase B, Tube formation, chemistry.chemical_classification, Settore MED/09 - MEDICINA INTERNA, Coculture Techniques, Vascular endothelial growth factor, PPAR gamma, medicine.anatomical_structure, Endocrinology, Cytokine, chemistry, Cancer research, Endothelium, Vascular, medicine.symptom, Cell Division
Abstract

OBJECTIVE—Peroxisome proliferator–activated receptors (PPARs) are therapeutic targets for fibrates and thiazolidinediones, which are commonly used to ameliorate hyperlipidemia and hyperglycemia in type 2 diabetes. In this study, we evaluated whether activation of PPARα and PPARγ stimulates neoangiogenesis. RESEARCH DESIGN AND METHODS—We used selective synthetic PPARα and PPARγ agonists and investigated their angiogenic potentials in vitro and in vivo. RESULTS—Activation of PPARα and PPARγ leads to endothelial tube formation in an endothelial/interstitial cell co-culture assay. This effect is associated with increased production of the angiogenic cytokine vascular endothelial growth factor (VEGF). Neovascularization also occurs in vivo, when PPARα and PPARγ agonists are used in the murine corneal angiogenic model. No vascular growth is detectable when PPARα and PPARγ agonists are respectively used in PPARα knockout mice and mice treated with a specific PPARγ inhibitor, demonstrating that this angiogenic response is PPAR mediated. PPARα- and PPARγ-induced angiogenesis is associated with local VEGF production and does not differ in extent and morphology from that induced by VEGF. In addition, PPARα- and PPARγ-induced in vitro and in vivo angiogenesis may be significantly decreased by inhibiting VEGF activity. Finally, in corneas treated with PPARα and PPARγ agonists, there is increased phosphorylation of endothelial nitric oxide synthase and Akt. CONCLUSIONS—These findings demonstrate that PPARα and PPARγ activation stimulates neoangiogenesis through a VEGF-dependent mechanism. Neoangiogenesis is a crucial pathological event in type 2 diabetes. The ability of PPARα and PPARγ agonists to induce neoangiogenesis might have important implications for the clinical and therapeutic management of type 2 diabetes.

Published
2008

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