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| 1 | Consequences of Helicobacter pylori infection in children显示文摘Although evidence is emerging that the prevalence of Helicobacter pylori (H. pylori) is declining in all age groups, the understanding of its disease spectrum continues to evolve. If untreated, H. pylori infection is lifelong. Although H. pylori typically colonizes the hu-man stomach for many decades without adverse con-sequences, children infected with H. pylori can manifest gastrointestinal diseases. Controversy persists regarding testing (and treating) for H. pylori infection in children with recurrent abdominal pain, chronic idiopathic thrombocytopenia, and poor growth. There is evidence of the role of H. pylori in childhood iron deficiency anemia, but the results are not conclusive. The possibility of an inverse relationship between H. pylori and gastroesophageal reflux disease, as well as childhood asthma, remains a controversial question. A better understanding of the H. pylori disease spectrum in childhood should lead to clearer recommendations about testing for and treating H. pylori infection in children who are more likely to develop clinical sequelae. | Lucia Pacifico Caterina Anania John F Osborn Flavia Ferraro Claudio Chiesa | 2010 | World Journal of Gastroenterology2010,16,41: | 11 |
| 2 | Strategies for reducing speckle noise in digital holography显示文摘Digital holography(DH)has emerged as one of the most effective coherent imaging technologies.The technological developments of digital sensors and optical elements have made DH the primary approach in several research fields,from quantitative phase imaging to optical metrology and 3D display technologies,to name a few.Like many other digital imaging techniques,DH must cope with the issue of speckle artifacts,due to the coherent nature of the required light sources.Despite the complexity of the recently proposed de-speckling methods,many have not yet attained the required level of effectiveness.That is,a universal denoising strategy for completely suppressing holographic noise has not yet been established.Thus the removal of speckle noise from holographic images represents a bottleneck for the entire optics and photonics scientific community.This review article provides a broad discussion about the noise issue in DH,with the aim of covering the best-performing noise reduction approaches that have been proposed so far.Quantitative comparisons among these approaches will be presented. | Vittorio Bianco Pasquale Memmolo Marco Leo Silvio Montresor Cosimo Distante Melania Paturzo Pascal Picart Bahram Javidi Pietro Ferraro | 2018 | Light(Science & Applications)2018,7,1: | 8 |
| 3 | Sieving characteristics of cytokine-and peroxide-induced epithelial barrier leak:Inhibition by berberine显示文摘AIM:To study whether the inflammatory bowel disease(IBD)colon which exhibits varying severity and cytokine levels across its mucosa create varying types of transepithelial leak.METHODS:We examined the effects of tumor necrosis factor-α(TNF-α),interferon-γ(IFN-γ),interleukin-1-β(IL1β)and hydrogen peroxide(H_2O_2)-singly and in combinations-on barrier function of CACO-2 cell layers.Our focus was on the type(not simply the magnitude)of transepithelial leak generated by these agents as measured by transepithelial electrical resistance(TER)and transepithelial flux of ^(14)C-D-mannitol,3H-Lactulose and ^(14)C-Polyethylene glycol as radiolabeled probe molecules.The isoquinoline alkaloid,berberine,was then examined for its ability to reduce specific types of transepithelial leak.RESULTS:Exposure to TNF-α alone(200 ng/mL;48 h)induced a 50% decrease in TER,i.e.,increased leak of Na^+ and Cl--with only a marginal but statistically significant increase in transepithelial leak of ^(14)C-mannitol(Jm).Exposure to TNF-α + IFN-γ(200 ng/mL;48 h)+ IL1β(50 ng/mL;48 h)did not increase the TER change(from TNF-α alone),but there was now a 100% increase in J_m.There however was no increase in transepithelial leak of two larger probe molecules,~3H-lactulose and ^(14)C-polyethylene glycol(PEG).However,exposure to TNF-α + IFN-γ + IL1β followed by a 5 h exposure to2 mmol/L H_2O_2 resulted in a 500% increase in ^(14)C-PEG leak as well as leak to the luminal mitogen,epidermal growth factor.CONCLUSION:This model of graded transepithelial leak is useful in evaluating therapeutic agents reducing IBD morbidity by reducing barrier leak to various luminal substances. | Katherine M DiGuilio Christina M Mercogliano Jillian Born Brendan Ferraro Julie To Brittany Mixson Allison Smith Mary Carmen Valenzano James M Mullin | 2016 | World Journal of Gastrointestinal Pathophysiology2016,7,2: | 6 |
| 4 | Pediatric nonalcoholic fatty liver disease:A clinical and laboratory challenge显示文摘The true prevalence of pediatric nonalcoholic fatty liver disease (NAFLD) is unknown. Challenges in determin ing the population prevalence of NAFLD include the type of test (and the reference intervals used to define normal and abnormal), the type of population (general population, hospital series), the demographic characteristics of the population sampled, and the nat ure of the study design. The natural history of pediat ric NAFLD remains uncertain. The issue of when to perform a liver biopsy in children with suspected NAFLD remains controversial. Children with NAFLD but normal alanine aminotransferase are rarely investigated. However, evidence of alterations in glucose metabolism parameters should prompt a better understanding of the natural history of pediatric NAFLD not only in terms of the progression of liver disease but also regarding its potential relationship with other health outcomes such as type 2 diabetes mellitus and cardiovascular disease. This evidence could make liver biopsy mandatory in the majority of cases at risk of progressive and severe hepatic and extrahepatic disease. This conclusion, however, raises the question of the feasibility of liver biopsy assessment in an extremely large at risk popul ation, and of the cost/effectiveness of this policy. There is a considerable, continuous interest in reliable, noninv asive alternatives that will allow the prognosis of pediat ric NAFLD to be followed in large community or populat ionbased studies. | Lucia Pacifico Eleonora Poggiogalle Vito Cantisani Guendalina Menichini Paolo Ricci Flavia Ferraro Claudio Chiesa | 2010 | World Journal of Hepatology2010,2,7: | 6 |
| 5 | Endowing a plain fluidic chip with micro-optics: a holographic microscope slide显示文摘Lab-on-a-Chip(LoC)devices are extremely promising in that they enable diagnostic functions at the point-of-care.Within this scope,an important goal is to design imaging schemes that can be used out of the laboratory.In this paper,we introduce and test a pocket holographic slide that allows digital holography microscopy to be performed without an interferometer setup.Instead,a commercial off-the-shelf plastic chip is engineered and functionalized with this aim.The microfluidic chip is endowed with micro-optics,that is,a diffraction grating and polymeric lenses,to build an interferometer directly on the chip,avoiding the need for a reference arm and external bulky optical components.Thanks to the single-beam scheme,the system is completely integrated and robust against vibrations,sharing the useful features of any common path interferometer.Hence,it becomes possible to bring holographic functionalities out of the lab,moving complexity from the external optical apparatus to the chip itself.Label-free imaging and quantitative phase contrast mapping of live samples are demonstrated,along with flexible refocusing capabilities.Thus,a liquid volume can be analyzed in one single shot with no need for mechanical scanning systems. | Vittorio Bianco Biagio Mandracchia Valentina Marchesano Vito Pagliarulo Federico Olivieri Sara Coppola Melania Paturzo Pietro Ferraro | 2017 | Light(Science & Applications)2017,6,1: | 6 |
| 6 | Non-surgical treatment of hilar cholangiocarcinoma显示文摘Cancer of the biliary confluence also known as hilar cholangiocarcinoma(HC)or Klatskin tumor,is a rare type of neoplastic disease constituting approximately 40%-60%of intrahepatic malignancies,and 2% of all cancers.The prognosis is extremely poor and the majority of Klatskin tumors are deemed unresectable upon diagnosis.Most patients with unresectable bile duct cancer die within the first year after diagnosis,due to hepatic failure,and/or infectious complications secondary to biliary obstruction.Curative treatments include surgical resection and liver transplantation in highly selected patients.Nevertheless,very few patients are eligible for surgery or transplant at the time of diagnosis.For patients with unresectable HC,radiotherapy,chemotherapy,photodynamic therapy,and liver-directed minimally invasive procedures such as percutaneous image-guided ablation and intra-arterial chemoembolization are recommended treatment options.This review focuses on currently available treatment options for unresectable HC and discusses future perspectives that could optimize outcomes. | Riccardo Inchingolo Fabrizio Acquafredda Valentina Ferraro Letizia Laera Gianmarco Surico Alessia Surgo Alba Fiorentino Stefania Marini Nicola de'Angelis Riccardo Memeo Stavros Spiliopoulos | 2021 | World Journal of Gastrointestinal Oncology2021,13,11: | 5 |
| 7 | Adipokines and C-reactive protein in relation to bone mineralization in pediatric nonalcoholic fatty liver disease显示文摘AIM: To investigate bone mineral density (BMD) in obese children with and without nonalcoholic fatty liver disease (NAFLD); and the association between BMD and serum adipokines, and high-sensitivity C-reactive protein (HSCRP). METHODS: A case-control study was performed. Cases were 44 obese children with NAFLD. The diagnosis of NAFLD was based on magnetic resonance imaging (MRI) with high hepatic fat fraction (≥ 5%). Other causes of chronic liver disease were ruled out. Controls were selected from obese children with normal levels of aminotransferases, and without MRI evidence of fatty liver as well as of other causes of chronic liver diseases. Controls were matched (1-to 1-basis) with thecases on age, gender, pubertal stage and as closely as possible on body mass index-SD score. All participants underwent clinical examination, laboratory tests, and whole body (WB) and lumbar spine (LS) BMD by dual energy X-ray absorptiometry. BMDZ-scores were calcu- lated using race and gender specific LMS curves. RESULTS: Obese children with NAFLD had a significantly lower LS BMDZ-score than those without NAFLD [mean, 0.55 (95%CI: 0.23-0.86) vs 1.29 (95%CI: 0.95-1.63); P < 0.01]. WB BMD Z-score was also decreased in obese children with NAFLD compared to obese children with no NAFLD, though borderline significance was observed [1.55 (95%CI: 1.23-1.87) vs 1.95 (95%CI: 1.67-2.10); P = 0.06]. Children with NAFLD had significantly higher HSCRP, lower adiponectin, but similar leptin levels. Thirty five of the 44 children with MRI-diagnosed NAFLD underwent liver biopsy. Among the children with biopsy-proven NAFLD, 20 (57%) had nonalcoholic steatohepatitis (NASH), while 15 (43%) no NASH. Compared to children without NASH, those with NASH had a significantly lower LS BMD Z-score [mean, 0.27 (95%CI: -0.17-0.71) vs 0.75 (95%CI: 0.13-1.39); P < 0.05] as well as a significantly lower WB BMD Z-score [1.38 (95%CI: 0.89-1.17) vs 1.93 (95%CI: 1.32-2.36); P < 0.05]. In multiple regression analysis, NASH (standardized β coefficient, -0.272; P < 0.01) and HSCRP (standardized β coefficient, -0.192; P < 0.05) were significantly and independently associated with LS BMD Z-score. Similar results were obtained when NAFLD (instead of NASH) was included in the model. WB BMD Z-scores were significantly and independently associated with NASH (standardized β coefficient, -0.248;P < 0.05) and fat mass (standardized β coefficient, -0.224;P < 0.05). CONCLUSION: This study reveals that NAFLD is associated with low BMD in obese children, and that systemic, low-grade inflammation may accelerate loss of bone mass in patients with NAFLD. | Lucia Pacifico Mario Bezzi Concetta Valentina Lombardo Sara Romaggioli Flavia Ferraro Stefano Bascetta Claudio Chiesa | 2013 | World Journal of Gastroenterology2013,19,25: | 3 |
| 8 | Microglia activation:a role for mitochondrial DNA?显示文摘Microglial cells and perivascular macrophages are the only resident immune cells of the brain parenchyma and act as innate immune sentinels in the central nervous system(CNS).Microglial cells are vital for the maintenance of CNS homeostasis thanks to their strict interaction with neurons.When the homeostasis of the microenvironment is disrupted,microglia can alter their phenotype acquiring pro-or antiinflammatory function to defend the brain. | Marcello Pinti Diana Ferraro Milena Nasi | 2021 | Neural Regeneration Research2021,16,12: | 3 |
| 9 | Induction of apoptosis on human hepatocarcinoma cell lines by an alkyl resorcinol isolated from Lithraea molleoides显示文摘AIM: To study the mechanism of cytotoxicity of a new active 5-alkyl resorcinol [1, 3-dihydroxy-5- (tridec-4’, 7’ -dienyl) benzene] isolated from Lithraea molleoides leaves on liver tumor cells. METHODS: Human hepatocarcinoma cell lines (HepG2 and Hep3B) in culture were treated with inhibitory concentrations, 50% of the compound, for 24 h. The induction of apoptosis was detected in treated cells by analysis of DNA fragmentation, DNA content, and acridine orange and propidium iodide staining. RESULTS: After 24 h of 5-alkyl resorcinol treatment, both cell lines showed: (1) the typical morphological alterations of apoptosis; (2) DNA fragmentation, detected by laddering and appearance of a subG0 population by flow cytometry; and (3) condensed and fragmented nuclei by acridine orange-propidium iodide staining. CONCLUSION: Based on the results, this compound exerts its cytotoxic effect in both hepatocellular cell lines through apoptotic cell death. For Hep3B, cells with mutated p53 and Fas, apoptosis would proceed by p53- or Fas-independent pathways. | Luciana Barbini Paula Lopez Julieta Ruffa Virginia Martino Graciela Ferraro Rodolfo Campos Lucia Cavallaro | 2006 | World Journal of Gastroenterology2006,12,37: | 3 |
| 10 | Normative data for TM electrocochleography measures显示文摘Objective: Establish normative data for tympanic electrocochleography(TM ECoch G) parameters in normal hearing adults without Meniere's disease's(MD) symptoms. Describe TM ECoch G variables that help to distinguish normal from MD ears.Material and methods: We enrolled 100 subjects(N =200 ears), 59 females, aged between 19 and 71 years from 09/2010 to 04/2014. Inclusion criteria: normal otomicroscopy, hearing thresholds≤25 dB nHL from 250 to 4000 Hz, normal tympanogram, no symptoms of MD according to the AAO-HNS 1995 criteria and Gibson's score <7. We excluded subjects with dizziness, aural fullness or other symptoms of endolymphatic hydrops. The following parameters were analyzed: SP/AP amplitude ratio, SP/AP area ratio and the difference between AP latency with rarefaction and condensation stimuli.Results: There was no significant difference between right and left ears(Intraclass correlation coefficient < 0.6). SP/AP amplitude ratio varied between 0.084 and 0.356 and SP/AP area ratio between 0.837 and 1.671(percentiles 5 and 95). The AP latency difference to rarefaction and condensation clicks was between 0.0 and 0.333 ms.Conclusion: Normative data for TM ECoch G parameters were established in 100 normal hearing subjects without MD. These data can be used to distinguish normal from pathological findings and in follow-up of MD patients. | Signe Schuster Grasel Roberto Miquelino de Oliveira Beck Ricardo Silva Chiabai Loureiro Amanda Costa Rossi Edigar Rezende de Almeida John Ferraro | 2017 | Journal of Otology2017,12,2: | 2 |
| 11 | Favorable Outcome in Open Globe Injuries with Low OTS Score显示文摘Purpose:Open globe eye injuries can have profound social and economic consequences. Here, we describe two cases of war and outdoor activity open globe eye injury where, despite a low OTS score,.current microsurgical technology allowed for a favorable outcome.Case report 1: A 33-year-old Libyan soldier had been treated for an open-globe grenade blast trauma to his left eye, which showed light perception and OTS score 2..He had undergone a lensectomy and PPV with silicone oil tamponade. Surgical treatment included scleral buckling,.cornea trephination, temporary Eckardt keratoprosthesis, PPV revision, intraocular lens(IOL) implantation, and corneal grafting. Six months later, his VA was improved to 20 / 70.Case report 2:.A 35-year-old man presented with a corneal laceration in his left eye from a meat skewer,.with marked hypotony and LP..After primary corneal wound closure,.Bscan ultrasonography revealed massive vitreous hemorrhage(OTS score 2). The patient underwent open cataract extraction with IOL implantation, 23 gauge PPV, laser photocoagulation of the retinochoroidal laceration, and a gas tamponade. After three weeks,.the patient underwent a 2nd 23 G PPV due to a fibrinous reaction. Six month later, the patients exhibited 20 /25 VA.Conclusion:.These cases confirm that even for patients with a low OTS and poor visual prognosis,.an up-to-date surgery protocol may achieve visual results adequate for leading an autonomous daily life. | Cillino Giovanni Ferraro Lucia Casuccio Alessandra Cillino Salvatore | 2014 | Eye Science2014,29,3: | 2 |
| 12 | Morning Blood Pressure Surge as a Destabilizing Factor of Atherosclerotic Plaque: Role of Ubiquitin–Proteasome Activity显示文摘 | Raffaele Marfella Mario Siniscalchi Michele Portoghese Clara Di Filippo Franca Ferraraccio Concetta Schiattarella Basilio Crescenzi Paolo Sangiuolo Giuseppe Ferraro Silvio Siciliano Francesca Cinone Gennaro Mazzarella Simone Martis Mario Verza Ludovico Co | 2007 | Hypertension2007,,4: | 2 |
| 13 | Thyroid function in childhood obesity and metabolic comorbidity显示文摘 | Lucia Pacifico Caterina Anania Flavia Ferraro Gian Marco Andreoli Claudio Chiesa | 2011 | Clinica Chimica Acta2011,,3: | 2 |
| 14 | PD source recognition by Weibull processing of pulse height distributions显示文摘 | Contin A Montanari G C Ferraro C | 2000 | IEEE Transactions on Electrical Insulation2000,7,1: | 1 |
| 15 | Argentine Plants as Potential Source of Insecticidal Compounds 显示文摘 | Broussalis A M Ferraro G E Martino V S | 1999 | Journal of Ethnopharm Acology1999,67,: | 1 |
| 16 | Argentine mediein plant:antiviral screening显示文摘 | Ferraro G Broussalis A Martino V | 1992 | International Symposium on Medicin and Aromatic Plants1992,306,: | 1 |
| 17 | Development of a standardized screening methodfor detection of vancomycin-resistant Enterococci显示文摘 | Swenson JM Clark NC Ferraro MJ | 1994 | J Clin Microbiol1994,32,: | 1 |
| 18 | The Bromination of levulinic acid显示文摘 | Hurd C D Ferraro J R | 1951 | Joumal of Organic Chemistry1951,16,10: | 1 |
| 19 | Modulatory effects of nitric oxide -active drugs on the anticonvulsant-activity of lam- otrigine in an experimental model of partial complex epi- lepsy in the rat显示文摘 | Sardo P Ferraro G | 2007 | BMC Neurosei2007,8,: | 1 |
| 20 | Supercritical carbon dioxide extraction of volatile oil from Italian coriander seeds显示文摘 | Grosso C Ferraro V Figueiredo A C | | 0,,01: | 1 |