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Bichlmaier I, Rossi L, Sakha P, Leppäranta O, Huuskonen H. Regulatory aspects under REACH relating to the developmental immunotoxicity (DIT) cohort in the extended one-generation reproductive toxicity study (EOGRTS). Toxicol Lett 2018. [DOI: 10.1016/j.toxlet.2018.06.1197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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77
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Rossi L, Fano EA, Basset A, Fanelli C, Fabbri AA. An Experimental Study of a Microfungal Community on Plant Detritus in a Mediterranean Woodland Stream. Mycologia 2018. [DOI: 10.1080/00275514.1983.12023765] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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78
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Rossi L, De Fayard R, Kassab S. Measurements using X‐ray attenuation vertical distribution of the void fraction for different flow regimes in a horizontal pipe. NUCLEAR ENGINEERING AND DESIGN 2018. [DOI: 10.1016/j.nucengdes.2017.07.037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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79
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Rossi L, Battistelli C, de Turris V, Noce V, Zwergel C, Valente S, Moioli A, Manzione A, Palladino M, Bordoni V, Domenici A, Menè P, Mai A, Tripodi M, Strippoli R. HDAC1 inhibition by MS-275 in mesothelial cells limits cellular invasion and promotes MMT reversal. Sci Rep 2018; 8:8492. [PMID: 29855565 PMCID: PMC5981641 DOI: 10.1038/s41598-018-26319-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 05/10/2018] [Indexed: 12/20/2022] Open
Abstract
Peritoneal fibrosis is a pathological alteration of the peritoneal membrane occurring in a variety of conditions including peritoneal dialysis (PD), post-surgery adhesions and peritoneal metastases. The acquisition of invasive and pro-fibrotic abilities by mesothelial cells (MCs) through induction of MMT, a cell-specific form of EMT, plays a main role in this process. Aim of this study was to evaluate possible effects of histone deacetylase (HDAC) inhibitors, key components of the epigenetic machinery, in counteracting MMT observed in MCs isolated from effluent of PD patients. HDAC inhibitors with different class/isoform selectivity have been used for pharmacological inhibition. While the effect of other inhibitors was limited to a partial E-cadherin re-expression, MS-275, a HDAC1-3 inhibitor, promoted: (i) downregulation of mesenchymal markers (MMP2, Col1A1, PAI-1, TGFβ1, TGFβRI) (ii) upregulation of epithelial markers (E-cadherin, Occludin), (iii) reacquisition of an epithelial-like morphology and (iv) marked reduction of cellular invasiveness. Results were confirmed by HDAC1 genetic silencing. Mechanistically, MS-275 causes: (i) increase of nuclear histone H3 acetylation (ii) rescue of the acetylation profile on E-cadherin promoter, (iii) Snail functional impairment. Overall, our study, pinpointing a role for HDAC1, revealed a new player in the regulation of peritoneal fibrosis, providing the rationale for future therapeutic opportunities.
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Casino F, Basile C, Mancini E, Santarsia G, Mostacci S, D'Elia F, Di Carlo M, Iannuzzella F, Rossi L, Vernaglione L, Grimaldi D, Rapanà R. FP436WHAT VOLUME TO CHOOSE TO COMPUTE KT/V? Nephrol Dial Transplant 2018. [DOI: 10.1093/ndt/gfy104.fp436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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81
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Abstract
DDT is a pesticide used in malaria-control programmes throughout the world. Its potential carcinogenicity was studied in MRC Porton rats (Wistar-derived) which received dietary concentrations of 0, 125, 250 and 500 parts per million DDT (technical-grade) for life. The treatment had no adverse effects on body growth or survival rate. Various types of tumours were observed in animals in all groups: exposure to DDT resulted in statistically significant increased incidence of liver-cell tumours only in female treated rats; one such tumour was observed in control rats. No metastases of these tumours were found.
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Abstract
Syrian golden hamsters were fed for their lifespan a diet containing 0, 125, 250 and 500 parts per million (ppm) of DDT. The incidence of tumour bearing animals was 13 % among control females and ranged between 11-20 % in treated females. In control males 8 % had tumours. The incidence of tumour bearing animals among treated males ranged between 17-28 %. The incidence of adrenal cortex tumours showed a dose-related increase among the DDT-treated males. A liver-cell tumour and 2 liver hemangioendotheliomas were observed in 3 males treated with 250 ppm DDT. No liver-cell tumours were observed in the controls. No significant difference in tumour incidence was observed in treated versus control Syrian golden hamsters.
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83
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Rossi L, Sacerdoti D, Billi B, Lesnoni G, Orciuolo M, Rossi T, Sacerdoti D, Bertollini L. Automatic Speech Recognition in Vitreo-Retinal Surgery. A Project for a Prototypal Computer-Based Voice-Controlled Vitrectomy Machine. Eur J Ophthalmol 2018; 6:454-9. [PMID: 8997592 DOI: 10.1177/112067219600600420] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
In the past half decade automatic speech recognition techniques, software and hardware technology have matured enough to support sophisticated medical applications. The project described aimed at introducing a computer-based, voice-controlled prototype system in a simulated vitreo-retinal surgery scenario. The aim was to provide the surgeon with a tool that could significantly improve the quality and ease of work and shorten the duration of intervention. The speech recognition system allows voice entry of simple commands to simulate surgical instrument control, including the infusion pump, vitreous cutter and diathermy. The project relies on a Markov-based, speaker-dependent, commercial isolated-word recognizer, and consists of a specific recognition vocabulary and application software, created and developed by the authors. Results have been encouraging. The system performed well under the test conditions, proving robust, simple to use and accurate (over 97% average word recognition rate). On the basis of their experience, the authors believe that automatic speech recognition technology, though suffering from some limitations such as the need for training, speaker dependence and a relatively small vocabulary, and requiring extensive testing under operating conditions, merits further development and opens new perspectives for a possible new generation of surgical instruments.
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Cabral JR, Rossi L, Dragani TA, Della Porta G. Carcinogenicity Study of 3-(5-Nitro-2-Furyl)-Imidazo(1,2-α) Pyridine in Mice and Rats. TUMORI JOURNAL 2018; 66:131-44. [PMID: 6893773 DOI: 10.1177/030089168006600201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
3-(5-nitro-2-furyl)-imidazo(1,2-α)pyridine was tested for carcinogenicity by long-term administration in the diet to CTM mice at 0.1, 0.2 and 0.4 % dose levels and to Wistar rats at 0.2 and 0.4 % dose levels, and by short-term intraperitoneal injections to suckling BALB/c mice. The compound was a strong carcinogen. In CTM mice it induced carcinomas of the esophagus and forestomach at all dose levels and thymic lymphosarcomas at the two highest doses. In male and female rats, esophagus and forestomach papillomas were observed at all dose levels, whereas esophagus and forestomach carcinomas and kidney tumors were observed only at the high dose. In female rats, an increased incidence of mammary tumors was seen at the high dose. The treatment of BALB/c suckling mice by intraperitoneal injections did not induce a clear carcinogenic response.
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85
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Schipaanboord B, Breedveld S, Rossi L, Keijzer M, Heijmen B. OC-0518: Multi-criterial MLC segmentation with column generation, applied to robotic SBRT. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)30828-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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86
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Rossi L, Bijman R, Schillemans W, Aluwini S, Witte M, Pos F, Incrocci L, Heijmen B. PV-0565: Texture Analysis of 3D dose distributions for predictive modelling of toxicity rates in radiotherapy. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)30875-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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87
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Breedveld S, Rossi L, Keijzer M, Heijmen B. EP-1874: Treatment time reduction in robotic stereotactic body radiation therapy (SBRT). Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)32183-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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88
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Rossi L, Penela Maceda D, Villani GQ. P893An optimized non fluoroscopy-guided approach for paroxysmal supraventricular tachycardia diagnosis and ablation. Europace 2018. [DOI: 10.1093/europace/euy015.494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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89
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Doni LA, Rossi L, Penela D, Marazzi R, Napoli V, Napoli L, Villotta M, Villani GQ, De Ponti R. 213Validation of a new simulator combining a physical heart model with a three dimensional mapping system. Europace 2018. [DOI: 10.1093/europace/euy015.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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90
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Rossi L, Bottoni N, Pani A, Pandozi C, Penela Maceda D, Villani G. P1166High-resolution mapping using smaller electrodes with closer interelectrode spacing to define pulmonary vein-left atrial junction electrograms characteristics. Europace 2018. [DOI: 10.1093/europace/euy015.651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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91
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Rossi L, Malagoli A, Zanni A, Sticozzi C, Villani G. P815Left atrial strain predicts cardiovascular events in chronic systolic heart failure patients treated with cardiac resynchronization therapy. Europace 2018. [DOI: 10.1093/europace/euy015.419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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92
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Magistri P, Battistelli C, Strippoli R, Petrucciani N, Pellinen T, Rossi L, Mangogna L, Aurello P, D'Angelo F, Tripodi M, Ramacciato G, Nigri G. SMO Inhibition Modulates Cellular Plasticity and Invasiveness in Colorectal Cancer. Front Pharmacol 2018; 8:956. [PMID: 29456503 PMCID: PMC5801594 DOI: 10.3389/fphar.2017.00956] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Accepted: 12/15/2017] [Indexed: 12/17/2022] Open
Abstract
HIGHLIGHTS Preliminary results of this work were presented at the 2016 Academic Surgical Congress, Jacksonville (FL), February 2-4 2016 (Original title: Selective Smo-Inhibition Interferes With Cellular Energetic Metabolism In Colorectal Cancer)This study was funded by "Sapienza-University of Rome" (Funds for young researchers) and "AIRC" (Italian Association for Cancer Research)Hedgehog inhibitor was kindly provided by Genentech, Inc.®. Colon Cancer (CC) is the fourth most frequently diagnosed tumor and the second leading cause of death in the USA. Abnormalities of Hedgehog pathway have been demonstrated in several types of human cancers, however the role of Hedgehog (Hh) in CC remain controversial. In this study, we analyzed the association between increased mRNA expression of GLI1 and GLI2, two Hh target genes, and CC survival and recurrence by gene expression microarray from a cohort of 382 CC patients. We found that patients with increased expression of GLI1 showed a statistically significant reduction in survival. In order to demonstrate a causal role of Hh pathway activation in the pathogenesis of CC, we treated HCT 116, SW480 and SW620 CC cells lines with GDC-0449, a pharmacological inhibitor of Smoothened (SMO). Treatment with GDC-0449 markedly reduced expression of Hh target genes GLI1, PTCH1, HIP1, MUC5AC, thus indicating that this pathway is constitutively active in CC cell lines. Moreover, GDC-0449 partially reduced cell proliferation, which was associated with upregulation of p21 and downregulation of CycD1. Finally, treatment with the same drug reduced migration and three-dimensional invasion, which were associated with downregulation of Snail1, the EMT master gene, and with induction of the epithelial markers Cytokeratin-18 and E-cadherin. These results were confirmed by SMO genetic silencing. Notably, treatment with 5E1, a Sonic Hedgehog-specific mAb, markedly reduced the expression of Hedgehog target genes, as well as inhibited cell proliferation and mediated reversion toward an epithelial phenotype. This suggests the existence of a Hedgehog autocrine signaling loop affecting cell plasticity and fostering cell proliferation and migration/invasion in CC cell lines. These discoveries encourage future investigations to better characterize the role of Hedgehog in cellular plasticity and invasion during the different steps of CC pathogenesis.
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Di Nicola A, Arcadi A, Gallucci K, Mucciante V, Rossi L. Hydrotalcite-supported palladium nanoparticles as catalysts for the hydroarylation of carbon–carbon multiple bonds. NEW J CHEM 2018. [DOI: 10.1039/c7nj04046f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Palladium nanoparticles supported on hydrotalcites catalyze the hydroarylation reaction of carbon–carbon multiple bonds.
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García de la Cruz JM, Vassilicos JC, Rossi L. Statistical independence of the initial conditions in chaotic mixing. Phys Rev E 2017; 96:052212. [PMID: 29347685 DOI: 10.1103/physreve.96.052212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Indexed: 06/07/2023]
Abstract
Experimental evidence of the scalar convergence towards a global strange eigenmode independent of the scalar initial condition in chaotic mixing is provided. This convergence, underpinning the independent nature of chaotic mixing in any passive scalar, is presented by scalar fields with different initial conditions casting statistically similar shapes when advected by periodic unsteady flows. As the scalar patterns converge towards a global strange eigenmode, the scalar filaments, locally aligned with the direction of maximum stretching, as described by the Lagrangian stretching theory, stack together in an inhomogeneous pattern at distances smaller than their asymptotic minimum widths. The scalar variance decay becomes then exponential and independent of the scalar diffusivity or initial condition. In this work, mixing is achieved by advecting the scalar using a set of laminar flows with unsteady periodic topology. These flows, that resemble the tendril-whorl map, are obtained by morphing the forcing geometry in an electromagnetic free surface 2D mixing experiment. This forcing generates a velocity field which periodically switches between two concentric hyperbolic and elliptic stagnation points. In agreement with previous literature, the velocity fields obtained produce a chaotic mixer with two regions: a central mixing and an external extensional area. These two regions are interconnected through two pairs of fluid conduits which transfer clean and dyed fluid from the extensional area towards the mixing region and a homogenized mixture from the mixing area towards the extensional region.
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Mentuccia L, Gelibter A, Sperduti I, D'Onofrio L, Botticelli A, Vici P, Cassano A, Moscetti L, Carbognin L, Graziano V, Barchiesi G, Rossi E, Cursano M, Pizzuti L, Paris I, Vaccaro A, Fabbri A, Rossi L, Samaritani R, Sarmiento R, Gamucci T. Efficacy of pertuzumab in combination with trastuzumab and a taxane in in first line treatment for metastatic breast cancer (MBC): a multicenter retrospective observational study. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx424.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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96
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Tao W, Singh S, Rossi L, Gerritsen JW, Hendriksen BLM, Khajetoorians AA, Christianen PCM, Maan JC, Zeitler U, Bryant B. A low-temperature scanning tunneling microscope capable of microscopy and spectroscopy in a Bitter magnet at up to 34 T. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2017; 88:093706. [PMID: 28964167 DOI: 10.1063/1.4995372] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We present the design and performance of a cryogenic scanning tunneling microscope (STM) which operates inside a water-cooled Bitter magnet, which can attain a magnetic field of up to 38 T. Due to the high vibration environment generated by the magnet cooling water, a uniquely designed STM and a vibration damping system are required. The STM scan head is designed to be as compact and rigid as possible, to minimize the effect of vibrational noise as well as fit the size constraints of the Bitter magnet. The STM uses a differential screw mechanism for coarse tip-sample approach, and operates in helium exchange gas at cryogenic temperatures. The reliability and performance of the STM are demonstrated through topographic imaging and scanning tunneling spectroscopy on highly oriented pyrolytic graphite at T = 4.2 K and in magnetic fields up to 34 T.
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Bonaldo G, Rossi L, Gasperoni L, Melis M, Grandi S, Vaccheri A, Motola D. Drugs - Induced Disseminated Intravascular Coagulation: A Pharmacoepidemiological Study Based on Who Database of Adverse Drug Reactions. Clin Ther 2017. [DOI: 10.1016/j.clinthera.2017.05.098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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98
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Guerra F, Malagoli A, Baiocco E, Contadini D, Menditto A, Bonelli P, Rossi L, Sticozzi C, Zanni A, Villani GQ, Capucci A. 1676Global longitudinal strain predicts ventricular arrhythmias in ICD patients with structural heart disease. Europace 2017. [DOI: 10.1093/ehjci/eux160.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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99
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Balaya V, Rossi L, Cornou C, Ngô C, Bensaid C, Mathevet P, Querleu D, Leblanc E, Morice P, Daraï E, Bats A, Lecuru F. Is sentinel lymph node biopsy safe during radical trachelectomy? A prospective multicenter study. Gynecol Oncol 2017. [DOI: 10.1016/j.ygyno.2017.03.235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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100
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Balaya V, Rossi L, Cornou C, Ngô C, Bensaid C, Mathevet P, Querleu D, Leblanc E, Morice P, Daraï E, Bats A, Lecuru F. Functional outcomes of laparoscopic-assisted vaginal radical trachelectomy in early-stage cervical cancer: A prospective multicentric cohort of 50 patients. Gynecol Oncol 2017. [DOI: 10.1016/j.ygyno.2017.03.225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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