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Mario plebani

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https://www.readbyqxmd.com/read/29194040/effect-of-preanalytical-and-analytical-variables-on-the-clinical-utility-of-mean-platelet-volume
#1
Mauro Buttarello, Giacomo Mezzapelle, Mario Plebani
BACKGROUND: The study endpoint was to analyze the effect of preanalytical (time, temperature, anticoagulant) and analytical (imprecision, correlation between volume and platelet concentration) variables on mean platelet volume (MPV). A further aim was to calculate in an adult population the reference intervals using the Sysmex XE-5000 analyzer. A critical evaluation was also made of the clinical utility of these parameters. METHODS: Analyses of the above values were performed in duplicate in 170 healthy adults of both sexes: (1) within 30 min from collection, and (2) after 4 h...
December 1, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29156694/pdac-derived-exosomes-enrich-the-microenvironment-in-mdscs-in-a-smad4-dependent-manner-through-a-new-calcium-related-axis
#2
Daniela Basso, Elisa Gnatta, Andrea Padoan, Paola Fogar, Sara Furlanello, Ada Aita, Dania Bozzato, Carlo-Federico Zambon, Giorgio Arrigoni, Chiara Frasson, Cinzia Franchin, Stefania Moz, Thomas Brefort, Thomas Laufer, Filippo Navaglia, Sergio Pedrazzoli, Giuseppe Basso, Mario Plebani
Tumor genetics and escape from immune surveillance concur in the poor prognosis of PDAC. In this study an experimental model was set up to verify whether SMAD4, deleted in about 55% PDAC and associated with poor prognosis, is involved in determining immunosuppression through Exosomes (Exo). Potential mechanisms and mediators underlying SMAD4-dependent immunosuppression were evaluated by studying intracellular calcium (Fluo-4), Exo-miRNAs (microarray) and Exo-proteins (SILAC). Two PDAC cell lines expressing (BxPC3-SMAD4+) or not-expressing (BxPC3) SMAD4 were used to prepare Exo-enriched conditioned media, employed in experiments with blood donors PBMCs...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29095697/harmonization-in-laboratory-medicine-more-than-clinical-chemistry
#3
REVIEW
Mario Plebani
The goal of harmonizing laboratory information is to contribute to quality in patient care, ultimately improving upon patient outcomes and safety. The main focus of harmonization and standardization initiatives has been on analytical processes within the laboratory walls, clinical chemistry tests in particular. However, two major evidences obtained in recent years show that harmonization should be promoted not only in the analytical phase but also in all steps of the testing process, encompassing the entire field of laboratory medicine, including innovative areas (e...
November 2, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29055045/diagnostic-relevance-of-ige-sensitization-profiles-to-eight-recombinant-phleum-pratense-molecules
#4
Francesca Cipriani, Carla Mastrorilli, Salvatore Tripodi, Giampaolo Ricci, Serena Perna, Valentina Panetta, Riccardo Asero, Arianna Dondi, Annamaria Bianchi, Nunzia Maiello, Michele Miraglia Del Giudice, Tullio Frediani, Francesco Macrì, Sandra Lucarelli, Iride Dello Iacono, Maria Francesca Patria, Elena Varin, Diego Peroni, Loredana Chini, Viviana Moschese, Roberto Bernardini, Giuseppe Pingitore, Umberto Pelosi, Mariangela Tosca, Francesco Paravati, Ifigenia Sfika, Andrea Di Rienzo Businco, Calotta Povesi Dascola, Pasquale Comberiati, Simone Frediani, Caterina Lambiase, Maria Carmen Verga, Diego Faggian, Mario Plebani, Mauro Calvani, Carlo Caffarelli, Paolo Maria Matricardi
BACKGROUND: Grass pollen-related seasonal allergic rhinoconjunctivitis (SARg) is clinically heterogeneous in severity, comorbidities and response to treatment. The component-resolved diagnostics disclosed also a high heterogeneity at molecular level. Our study aimed at analyzing the characteristics of the IgE sensitization to Phleum pratense molecules and investigating the diagnostic relevance of such molecules in childhood. METHODS: We examined 1120 children (age 4-18y) with SARg...
October 20, 2017: Allergy
https://www.readbyqxmd.com/read/29044225/microrna-181b-is-increased-in-cystic-fibrosis-cells-and-impairs-lipoxin-a4-receptor-dependent-mechanisms-of-inflammation-resolution-and-antimicrobial-defense
#5
Anna Maria Pierdomenico, Sara Patruno, Marilina Codagnone, Felice Simiele, Veronica Cecilia Mari, Roberto Plebani, Antonio Recchiuti, Mario Romano
The involvement of microRNA (miR) in cystic fibrosis (CF) pathobiology is rapidly emerging. We previously documented that miR-181b controls the expression of the ALX/FPR2 receptor, which is recognized by the endogenous proresolution ligand, lipoxin (LX)A4. Here, we examined whether the miR-181b-ALX/FPR2 circuit was altered in CF. We examined human airways epithelial cells, normal (16HBE14o-), carrying the ΔF508 mutation (CFBE41o-) or corrected for this mutation (CFBE41o-/CEP-CFTR wt 6.2 kb), as well as monocyte-derived macrophages (MΦs) from CF patients...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29031018/strategies-to-define-performance-specifications-in-laboratory-medicine-3-years-on-from-the-milan-strategic-conference
#6
Mauro Panteghini, Ferruccio Ceriotti, Graham Jones, Wytze Oosterhuis, Mario Plebani, Sverre Sandberg
Measurements in clinical laboratories produce results needed in the diagnosis and monitoring of patients. These results are always characterized by some uncertainty. What quality is needed and what measurement errors can be tolerated without jeopardizing patient safety should therefore be defined and specified for each analyte having clinical use. When these specifications are defined, the total examination process will be "fit for purpose" and the laboratory professionals should then set up rules to control the measuring systems to ensure they perform within specifications...
October 26, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28963131/massive-troponin-release-and-normal-coronary-arteries-where-does-the-truth-lie
#7
Martina P Marra, Martina Zaninotto, Luisa Cacciavillani, Sabino Iliceto, Mario Plebani
No abstract text is available yet for this article.
October 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28956262/daily-salivary-cortisol-and-cortisone-rhythm-in-patients-with-adrenal-incidentaloma
#8
Filippo Ceccato, Mattia Barbot, Nora Albiger, Giorgia Antonelli, Marialuisa Zilio, Marco Todeschini, Daniela Regazzo, Mario Plebani, Carmelo Lacognata, Maurizio Iacobone, Franco Mantero, Marco Boscaro, Carla Scaroni
BACKGROUND AND AIM: Impaired cortisol rhythm is a characteristic feature of Cushing's Syndrome, nevertheless late night salivary cortisol (LNSC) is not suitable to detect subclinical hypercortisolism in patients with adrenal incidentaloma (AI). We studied daily salivary cortisol (F) and cortisone (E) rhythm in patients with AI. MATERIALS AND METHODS: Six saliva samples were collected from awakening to night in 106 patients with AI and 40 controls. F and E were measured with LC-MS/MS and daily F exposure was calculated with the area under the curve (AUC)...
September 27, 2017: Endocrine
https://www.readbyqxmd.com/read/28933309/cigarette-smoking-is-associated-with-decreased-bone-gla-protein-bgp-levels-in-hemodialysis-patients
#9
Maria Fusaro, Maurizio Gallieni, Andrea Aghi, Giorgio Iervasi, Maria Antonietta Rizzo, Andrea Stucchi, Marianna Noale, Giovanni Tripepi, Thomas Nickolas, Nicola Veronese, Fabrizio Fabris, Sandro Giannini, Lorenzo Calò, Antonio Piccoli, Maria Cristina Mereu, Laura Cosmai, Alberto Ferraro, Fiorenza Magonara, Michela Spinello, Stefania Sella, Mario Plebani
BACKGROUND: Bone gamma-carboxyglutamic acid (Gla)-protein (BGP or osteocalcin) is a vitamin K-dependent protein involved in the regulation of bone mineralization. Smoking is a risk factor for osteoporosis. METHODS: We carried out a secondary analysis of the vitamin K Italian (VIKI) study to investigate the association between cigarette smoking and BGP levels in patients with end stage renal disease. Data were collected in 370 haemodialysis patients, 37% (136) smokers (or ex-smokers) and 63% (234) non-smokers...
September 19, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28917079/insulin-autoimmune-syndrome-hirata-s-disease-in-an-italian-patient-a-case-report-and-review-of-the-literature
#10
REVIEW
Simona Censi, Maria Paola Albergoni, Nicoletta Gallo, Mario Plebani, Marco Boscaro, Corrado Betterle
We describe the case of a 54-year-old Caucasian Italian male experiencing episodes of hypoglycemia, occurring mainly after meals. He had never been exposed to insulin and was taking ramipril, flecainide and acetylsalicylic acid. An oral glucose tolerance test (OGTT) showed high blood glucose levels diagnostic for diabetes mellitus at 120 min and hypoglycemia with inappropriately high insulin levels at 240 min. The 72-h fasting test, abdominal computed tomography (CT) and positron emission tomography-CT were normal...
September 16, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28902617/analytical-quality-an-unfinished-journey
#11
EDITORIAL
Mario Plebani
No abstract text is available yet for this article.
September 13, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28821429/high-intensity-interval-resistance-training-hiirt-in-older-adults-effects-on-body-composition-strength-anabolic-hormones-and-blood-lipids
#12
Tatiana Moro, Grant Tinsley, Antonino Bianco, Angela Gottardi, Gio Batta Gottardi, Diego Faggian, Mario Plebani, Giuseppe Marcolin, Antonio Paoli
No abstract text is available yet for this article.
August 15, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28809748/new-issues-on-measurement-of-b-type-natriuretic-peptides
#13
Aldo Clerico, Martina Zaninotto, Claudio Passino, Mario Plebani
The measurement of the active hormone of B-type natriuretic peptide (BNP) system actually has several analytical limitations and difficulties in clinical interpretations compared to that of inactive peptide N-terminal proBNP (NT-proBNP) because of the different biochemical and pathophysiological characteristics of two peptides and quality specifications of commercial immunoassay methods used for their measurement. Because of the better analytical characteristics of NT-proBNP immunoassays and the easier pathophysiological and clinical interpretations of variations of NT-proBNP levels in patients with heart failure (HF), some authors claimed to measure the inactive peptide NT-proBNP instead of the active hormone BNP for management of HF patients...
August 15, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28759010/establishment-and-long-term-culture-of-human-cystic-fibrosis-endothelial-cells
#14
Roberto Plebani, Romina Tripaldi, Paola Lanuti, Antonio Recchiuti, Sara Patruno, Sara Di Silvestre, Pasquale Simeone, Marco Anile, Federico Venuta, Marco Prioletta, Felice Mucilli, Paola Del Porto, Marco Marchisio, Assunta Pandolfi, Mario Romano
Endothelial cell (EC) dysfunction has been reported in cystic fibrosis (CF) patients. Thus, the availability of CF EC is paramount to uncover mechanisms of endothelial dysfunction in CF. Using collagenase digestion, we isolated cells from small fragments of pulmonary artery dissected from non-CF lobes or explanted CF lungs. These cells were a heterogeneous mixture, containing variable percentages of EC. To obtain virtually pure pulmonary artery endothelial cells (PAEC), we developed an easy, inexpensive, and reliable method, based on the differential adhesion time of pulmonary artery cells collected after collagenase digestion...
November 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28720681/the-eubivas-project-within-and-between-subject-biological-variation-data-for-serum-creatinine-using-enzymatic-and-alkaline-picrate-methods-and-implications-for-monitoring
#15
Anna Carobene, Irene Marino, Abdurrahman Coşkun, Mustafa Serteser, Ibrahim Unsal, Elena Guerra, William A Bartlett, Sverre Sandberg, Aasne Karine Aarsand, Marit Sverresdotter Sylte, Thomas Røraas, Una Ørvim Sølvik, Pilar Fernandez-Calle, Jorge Díaz-Garzón, Francesca Tosato, Mario Plebani, Niels Jonker, Gerhard Barla, Ferruccio Ceriotti
BACKGROUND: The European Federation of Clinical Chemistry and Laboratory Medicine (EFLM) European Biological Variation Study (EuBIVAS) has been established to deliver rigorously determined biological variation (BV) indices. EuBIVAS determined BV for serum creatinine using the enzymatic and alkaline picrate measurement methods. METHOD: In total, 91 healthy individuals (38 males, 53 females; age range, 21-69 years) were bled for 10 consecutive weeks at 6 European laboratories...
September 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28688224/defining-a-roadmap-for-harmonizing-quality-indicators-in-laboratory-medicine-a-consensus-statement-on-behalf-of-the-ifcc-working-group-laboratory-error-and-patient-safety-and-eflm-task-and-finish-group-performance-specifications-for-the-extra-analytical-phases
#16
Laura Sciacovelli, Mauro Panteghini, Giuseppe Lippi, Zorica Sumarac, Janne Cadamuro, César Alex De Olivera Galoro, Isabel Garcia Del Pino Castro, Wilson Shcolnik, Mario Plebani
The improving quality of laboratory testing requires a deep understanding of the many vulnerable steps involved in the total examination process (TEP), along with the identification of a hierarchy of risks and challenges that need to be addressed. From this perspective, the Working Group "Laboratory Errors and Patient Safety" (WG-LEPS) of International Federation of Clinical Chemistry and Laboratory Medicine (IFCC) is focusing its activity on implementation of an efficient tool for obtaining meaningful information on the risk of errors developing throughout the TEP, and for establishing reliable information about error frequencies and their distribution...
August 28, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28680353/patient-and-sample-identification-out-of-the-maze
#17
Giuseppe Lippi, Laura Chiozza, Camilla Mattiuzzi, Mario Plebani
Patient and sample misidentification may cause significant harm or discomfort to the patients, especially when incorrect data is used for performing specific healthcare activities. It is hence obvious that efficient and quality care can only start from accurate patient identification. There are many opportunities for misidentification in healthcare and laboratory medicine, including homonymy, incorrect patient registration, reliance on wrong patient data, mistakes in order entry, collection of biological specimens from wrong patients, inappropriate sample labeling and inaccurate entry or erroneous transmission of test results through the laboratory information system...
April 2017: Journal of Medical Biochemistry
https://www.readbyqxmd.com/read/28643451/polyclonal-and-monoclonal-b-lymphocytes-response-in-hcv-patients-treated-with-direct-acting-antiviral-agents
#18
Alvise Schiavinato, Alberto Zanetto, Giorgia Pantano, Francesca Tosato, Mitja Nabergoj, Paola Fogar, Elisa Piva, Martina Gambato, Enrica Franceschet, Annarosa Floreani, Fabio Farinati, Patrizia Burra, Francesco Paolo Russo, Mario Plebani
Hepatitis C Virus (HCV) chronic infection can be associated with extrahepatic manifestations such as mixed cryoglobulinemia and lymphoproliferative disorders that are endowed with increased rates of morbidity and all-cause mortality. In this study we used flow cytometry to evaluate the effect of Interferon-free antiviral treatment on peripheral blood lymphocytes in HCV patients with or without associated lymphoproliferative disorders. Flow cytometry analysis of peripheral blood lymphocytes were performed at baseline and at the end of treatment...
June 22, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28611447/serpinb3-promotes-pro-fibrogenic-responses-in-activated-hepatic-stellate-cells
#19
Erica Novo, Gianmarco Villano, Cristian Turato, Stefania Cannito, Claudia Paternostro, Chiara Busletta, Alessandra Biasiolo, Santina Quarta, Elisabetta Morello, Claudia Bocca, Antonella Miglietta, Ezio David, Salvatore Sutti, Mario Plebani, Emanuele Albano, Maurizio Parola, Patrizia Pontisso
SerpinB3 is a hypoxia- and hypoxia-inducible factor-2α-dependent cystein protease inhibitor that is up-regulated in hepatocellular carcinoma and in parenchymal cells during chronic liver diseases (CLD). SerpinB3 up-regulation in CLD patients has been reported to correlate with the extent of liver fibrosis and the production of transforming growth factor-β1, but the actual role of SerpinB3 in hepatic fibrogenesis is still poorly characterized. In the present study we analyzed the pro-fibrogenic action of SerpinB3 in cell cultures and in two different murine models of liver fibrosis...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28608802/enhanced-osteogenic-differentiation-in-zoledronate-treated-osteoporotic-patients
#20
Luca Dalle Carbonare, Monica Mottes, Giovanni Malerba, Antonio Mori, Martina Zaninotto, Mario Plebani, Alessandra Dellantonio, Maria Teresa Valenti
Bisphosphonates are well known inhibitors of osteoclast activity and thus may be employed to influence osteoblast activity. The present study was designed to evaluate the in vivo effects of zoledronic acid (ZA) on the proliferation and osteoblastic commitment of mesenchymal stem cells (MSC) in osteoporotic patients. We studied 22 postmenopausal osteoporotic patients. Densitometric, biochemical, cellular and molecular data were collected before as well as after 6 and 12 months of ZA treatment. Peripheral blood MSC-like cells were quantified by colony-forming unit fibroblastic assay; their osteogenic differentiation potential was evaluated after 3 and 7 days of induction, respectively...
June 13, 2017: International Journal of Molecular Sciences
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