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Saletti M, Paolino M, Venditti J, Bonechi C, Giuliani G, Lamponi S, Tassone G, Boccia A, Botta C, Blancafort L, Poggialini F, Vagaggini C, Cappelli A. A Facile Access to Green Fluorescent Albumin Derivatives. Chembiochem 2024; 25:e202300862. [PMID: 38369609 DOI: 10.1002/cbic.202300862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 01/24/2024] [Accepted: 12/22/2023] [Indexed: 02/20/2024]
Abstract
A Morita-Baylis-Hillman Adduct (MBHA) derivative bearing a triphenylamine moiety was found to react with human serum albumin (HSA) shifting its emission from the blue to the green-yellow thus leading to green fluorescent albumin (GFA) derivatives and enlarging the platform of probes for aggregation-induced fluorescent-based detection techniques. A possible interaction of MBHA derivative 7 with a lipophilic pocket within the HSA structure was suggested by docking studies. DLS experiments showed that the reaction with HSA induce a conformational change of the protein contributing to the aggregation process of GFA derivatives. The results of investigations on the biological properties suggested that GFA retained the ability of binding drug molecules such as warfarin and diazepam. Finally, cytotoxicity evaluation studies suggested that, although the MBHA derivative 7 at 0.1 μg/mL affected the percentage of cell viability in comparison to the negative control, it cannot be considered cytotoxic, whereas at all the other concentrations≥0.5 μg/mL resulted cytotoxic at different extent.
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Affiliation(s)
- Mario Saletti
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di, Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di, Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Jacopo Venditti
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di, Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Claudia Bonechi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di, Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di, Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Stefania Lamponi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di, Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Giusy Tassone
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di, Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Antonella Boccia
- Istituto di Scienze e Tecnologie Chimiche "G. Natta" - SCITEC (CNR), Via A. Corti 12, 20133, Milano, Italy
| | - Chiara Botta
- Istituto di Scienze e Tecnologie Chimiche "G. Natta" - SCITEC (CNR), Via A. Corti 12, 20133, Milano, Italy
| | - Lluís Blancafort
- Institute of Computational Chemistry and Catalysis and Department of Chemistry, University of Girona, C/M. A. Capmany 69, 17003, Girona, Spain
| | - Federica Poggialini
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di, Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Chiara Vagaggini
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di, Siena, Via Aldo Moro 2, 53100, Siena, Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di, Siena, Via Aldo Moro 2, 53100, Siena, Italy
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Terracina F, Saletti M, Paolino M, Venditti J, Giuliani G, Bonechi C, Licciardi M, Cappelli A. Cross-Linked Hyaluronan Derivatives in the Delivery of Phycocyanin. Gels 2024; 10:91. [PMID: 38391421 PMCID: PMC10887560 DOI: 10.3390/gels10020091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 01/15/2024] [Accepted: 01/22/2024] [Indexed: 02/24/2024] Open
Abstract
An easy and viable crosslinking technology, based on the "click-chemistry" reaction copper(I)-catalyzed azide-alkyne 1,3-dipolar cycloaddition (click-crosslinking), was applied to graft copolymers of medium molecular weight (i.e., 270 kDa) hyaluronic acid (HA) grafted with ferulic acid (FA) residues bearing clickable propargyl groups, as well as caffeic acid derivatives bearing azido-terminated oligo(ethylene glycol) side chains. The obtained crosslinked materials were characterized from the point of view of their structure and aggregation liability to form hydrogels in a water environment. The most promising materials showed interesting loading capability regarding the antioxidant agent phycocyanin (PC). Two novel materials complexes (namely HA(270)-FA-TEGEC-CL-20/PC and HA(270)-FA-HEGEC-CL-20/PC) were obtained with a drug-to-material ratio of 1:2 (w/w). Zeta potential measurements of the new complexes (-1.23 mV for HA(270)-FA-TEGEC-CL-20/PC and -1.73 mV for HA(270)-FA-HEGEC-CL-20/PC) showed alterations compared to the zeta potential values of the materials on their own, suggesting the achievement of drug-material interactions. According to the in vitro dissolution studies carried out in different conditions, novel drug delivery systems (DDSs) were obtained with a variety of characteristics depending on the desired route of administration and, consequently, on the pH of the surrounding environment, thanks to the complexation of phycocyanin with these two new crosslinked materials. Both complexes showed excellent potential for providing a controlled/prolonged release of the active pharmaceutical ingredient (API). They also increased the amount of drug that reach the target location, enabling pH-dependent release. Importantly, as demonstrated by the DPPH free radical scavenging assay, the complexation process, involving freezing and freeze-drying, showed no adverse effects on the antioxidant activity of phycocyanin. This activity was preserved in the two novel materials and followed a concentration-dependent pattern similar to pure PC.
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Affiliation(s)
- Francesca Terracina
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Mario Saletti
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Jacopo Venditti
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Claudia Bonechi
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Mariano Licciardi
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
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Pepi S, Paolino M, Saletti M, Venditti J, Talarico L, Andreassi M, Giuliani G, Caselli G, Artusi R, Cappelli A, Leone G, Magnani A, Rovati L. Ferulated Poly(vinyl alcohol) based hydrogels. Heliyon 2023; 9:e22330. [PMID: 38045211 PMCID: PMC10692910 DOI: 10.1016/j.heliyon.2023.e22330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 10/18/2023] [Accepted: 11/09/2023] [Indexed: 12/05/2023] Open
Abstract
New graft copolymers were prepared by reaction of poly (vinyl alcohol) (PVA) with mono-imidazolide or bis-imidazolide derivatives of ferulic acid (FA) with the formation of ester bonds. The obtained graft copolymers, thanks to the crosslinking capability of FA, formed in water strong gels as verified by rheological analyses. The resulting hydrogels were characterized to evaluate their applicability as wound dressing. In this perspective, their capability to absorb and retain a large amount of fluid without dissolving was verified by swelling kinetics and Moisture Vapour Transmission Rate measurements. Their stability towards mechanical solicitations was assessed by quantifying elasticity, compliance, stress-relaxation, and adhesivity properties. The analyses pointed out that hydrogel PVA-FA2-3 obtained by feruloylation of PVA with bis-imidazole derivative of ferulic acid using an acylation agent/polymer molar ratio 0.03/1 resulted the best candidate for the foreseen application.
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Affiliation(s)
- Simone Pepi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università Degli Studi di Siena, Via A. Moro 2, 53100, Siena, Italy
| | - Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università Degli Studi di Siena, Via A. Moro 2, 53100, Siena, Italy
| | - Mario Saletti
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università Degli Studi di Siena, Via A. Moro 2, 53100, Siena, Italy
| | - Jacopo Venditti
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università Degli Studi di Siena, Via A. Moro 2, 53100, Siena, Italy
| | - Luigi Talarico
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università Degli Studi di Siena, Via A. Moro 2, 53100, Siena, Italy
| | - Marco Andreassi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università Degli Studi di Siena, Via A. Moro 2, 53100, Siena, Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università Degli Studi di Siena, Via A. Moro 2, 53100, Siena, Italy
| | | | - Roberto Artusi
- Rottapharm Biotech, Via Valosa di Sopra 7, 20052, Monza, Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università Degli Studi di Siena, Via A. Moro 2, 53100, Siena, Italy
| | - Gemma Leone
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università Degli Studi di Siena, Via A. Moro 2, 53100, Siena, Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Via G. Giusti 9, 50121, Firenze, Italy
| | - Agnese Magnani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università Degli Studi di Siena, Via A. Moro 2, 53100, Siena, Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Via G. Giusti 9, 50121, Firenze, Italy
| | - Lucio Rovati
- Rottapharm Biotech, Via Valosa di Sopra 7, 20052, Monza, Italy
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Paolino M, Saletti M, Reale A, Razzano V, Giuliani G, Donati A, Bonechi C, Giorgi G, Mercorillo G, Samperi F, Mróz W, Botta C, Cappelli A. Spontaneous Polymerization of Benzofulvene Monomers Bearing a 4-Pyridylacetylene Substituent in Different Positions of the Benzofulvene Scaffold. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
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Paolino M, Varvarà P, Saletti M, Reale A, Gentile M, Paccagnini E, Giuliani G, Komber H, Licciardi M, Cappelli A. Hyaluronan‐coated poly(propylene imine) dendrimers as biomimetic nanocarriers of doxorubicin. J Appl Polym Sci 2022. [DOI: 10.1002/app.53300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Siena Italy
| | - Paola Varvarà
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF) Università degli Studi di Palermo Palermo Italy
| | - Mario Saletti
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Siena Italy
| | - Annalisa Reale
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Siena Italy
| | - Mariangela Gentile
- Dipartimento di Scienze della Vita Università degli Studi di Siena Siena Italy
| | - Eugenio Paccagnini
- Dipartimento di Scienze della Vita Università degli Studi di Siena Siena Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Siena Italy
| | - Hartmut Komber
- Center Macromolecular Structure Analysis Leibniz Institute for Polymer Research Dresden Germany
| | - Mariano Licciardi
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF) Università degli Studi di Palermo Palermo Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Siena Italy
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Paolino M, Saletti M, Reale A, Licciardi M, Varvarà P, Marquette A, Léonard J, Bonechi C, Donati A, Giorgi G, Giuliani G, Carlotti B, Ortica F, Latterini L, Gentile M, Paccagnini E, Olivucci M, Cappelli A. Design, Synthesis and Characterization of a Visible‐Light‐Sensitive Molecular Switch and Its PEGylation Towards a Self‐Assembling Molecule. Chemistry 2022; 28:e202201477. [PMID: 35695822 PMCID: PMC9541190 DOI: 10.1002/chem.202201477] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Mario Saletti
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Annalisa Reale
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Mariano Licciardi
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF) Università degli Studi di Palermo Via Archirafi 32 90123 Palermo Italy
| | - Paola Varvarà
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF) Università degli Studi di Palermo Via Archirafi 32 90123 Palermo Italy
| | - Arnaud Marquette
- Institut de Physique et Chimie des Matériaux de Strasbourg Université de Strasbourg CNRS UMR 7504 Strasbourg France
| | - Jérémie Léonard
- Institut de Physique et Chimie des Matériaux de Strasbourg Université de Strasbourg CNRS UMR 7504 Strasbourg France
| | - Claudia Bonechi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Alessandro Donati
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Gianluca Giorgi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
| | - Benedetta Carlotti
- Dipartimento di Chimica, Biologia e Biotecnologie Università di Perugia Via Elce di Sotto, 8 06123 Perugia Italy
| | - Fausto Ortica
- Dipartimento di Chimica, Biologia e Biotecnologie Università di Perugia Via Elce di Sotto, 8 06123 Perugia Italy
| | - Loredana Latterini
- Dipartimento di Chimica, Biologia e Biotecnologie Università di Perugia Via Elce di Sotto, 8 06123 Perugia Italy
| | - Mariangela Gentile
- Dipartimento di Scienze della Vita Università degli Studi di Siena Via A. Moro 53100 Siena Italy
| | - Eugenio Paccagnini
- Dipartimento di Scienze della Vita Università degli Studi di Siena Via A. Moro 53100 Siena Italy
| | - Massimo Olivucci
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
- Chemistry Department Bowling Green State University 43403 Bowling Green OH USA) ok
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022) Università degli Studi di Siena Via A. Moro 2 53100 Siena Italy
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Saletti M, Paolino M, Ballerini L, Giuliani G, Leone G, Lamponi S, Andreassi M, Bonechi C, Donati A, Piovani D, Schieroni AG, Magnani A, Cappelli A. Click-Chemistry Cross-Linking of Hyaluronan Graft Copolymers. Pharmaceutics 2022; 14:pharmaceutics14051041. [PMID: 35631626 PMCID: PMC9146110 DOI: 10.3390/pharmaceutics14051041] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/04/2022] [Accepted: 05/07/2022] [Indexed: 01/27/2023] Open
Abstract
An easy and viable crosslinking procedure by click-chemistry (click-crosslinking) of hyaluronic acid (HA) was developed. In particular, the clickable propargyl groups of hyaluronane-based HA-FA-Pg graft copolymers showing low and medium molecular weight values were exploited in crosslinking by click-chemistry by using a hexa(ethylene glycol) spacer. The resulting HA-FA-HEG-CL materials showed an apparent lack of in vitro cytotoxic effects, tuneable water affinity, and rheological properties according to the crosslinking degree that suggests their applicability in different biomedical fields.
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Affiliation(s)
- Mario Saletti
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy; (M.S.); (L.B.); (G.G.); (G.L.); (S.L.); (M.A.); (C.B.); (A.D.); (A.M.)
| | - Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy; (M.S.); (L.B.); (G.G.); (G.L.); (S.L.); (M.A.); (C.B.); (A.D.); (A.M.)
- Correspondence: (M.P.); (A.C.); Tel.: +39-0577-234320 (A.C.)
| | - Lavinia Ballerini
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy; (M.S.); (L.B.); (G.G.); (G.L.); (S.L.); (M.A.); (C.B.); (A.D.); (A.M.)
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy; (M.S.); (L.B.); (G.G.); (G.L.); (S.L.); (M.A.); (C.B.); (A.D.); (A.M.)
| | - Gemma Leone
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy; (M.S.); (L.B.); (G.G.); (G.L.); (S.L.); (M.A.); (C.B.); (A.D.); (A.M.)
| | - Stefania Lamponi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy; (M.S.); (L.B.); (G.G.); (G.L.); (S.L.); (M.A.); (C.B.); (A.D.); (A.M.)
| | - Marco Andreassi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy; (M.S.); (L.B.); (G.G.); (G.L.); (S.L.); (M.A.); (C.B.); (A.D.); (A.M.)
| | - Claudia Bonechi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy; (M.S.); (L.B.); (G.G.); (G.L.); (S.L.); (M.A.); (C.B.); (A.D.); (A.M.)
| | - Alessandro Donati
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy; (M.S.); (L.B.); (G.G.); (G.L.); (S.L.); (M.A.); (C.B.); (A.D.); (A.M.)
| | - Daniele Piovani
- Istituto di Scienze e Tecnologie Chimiche “G. Natta”-SCITEC (CNR), Via A. Corti 12, 20133 Milano, Italy; (D.P.); (A.G.S.)
| | - Alberto Giacometti Schieroni
- Istituto di Scienze e Tecnologie Chimiche “G. Natta”-SCITEC (CNR), Via A. Corti 12, 20133 Milano, Italy; (D.P.); (A.G.S.)
| | - Agnese Magnani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy; (M.S.); (L.B.); (G.G.); (G.L.); (S.L.); (M.A.); (C.B.); (A.D.); (A.M.)
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy; (M.S.); (L.B.); (G.G.); (G.L.); (S.L.); (M.A.); (C.B.); (A.D.); (A.M.)
- Correspondence: (M.P.); (A.C.); Tel.: +39-0577-234320 (A.C.)
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Paolino M, Saletti M, Reale A, Razzano V, Giuliani G, Donati A, Bonechi C, Giorgi G, Atrei A, Mauro M, Scamporrino A, Samperi F, Fois E, Tabacchi G, Botta C, Cappelli A. Spontaneous polymerization of benzofulvene derivatives bearing complexed or un-complexed pyridine rings. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Pinto D, Calabrese F, m de angelis, Celano G, Giuliani G, Rinaldi F. 339 Lichen Planopilaris: The First Biopsy Layer Microbiota Inspection. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.08.403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Pinto D, Giuliani G, Rinaldi F, Trink A. 291 In vitro efficacy of a sunscreen (50+) and octatrienoic acid 0.1% in actinic keratosis and UVs damages. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.08.297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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11
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Altieri M, Passi A, Vezzali R, Pinto D, Giuliani G, Rinaldi F. 374 Characterization of a class IIb gynecological medical device containing hyaluronic acid, beta-glucan, sericin and glycerophosphoinositol: mechanism of action and pilot clinical experience (case report). J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.08.383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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12
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Giordani A, Menziani MC, Moresco RM, Matarrese M, Paolino M, Saletti M, Giuliani G, Anzini M, Cappelli A. Exploring Translocator Protein (TSPO) Medicinal Chemistry: An Approach for Targeting Radionuclides and Boron Atoms to Mitochondria. J Med Chem 2021; 64:9649-9676. [PMID: 34254805 DOI: 10.1021/acs.jmedchem.1c00379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Translocator protein 18 kDa [TSPO or peripheral-type benzodiazepine receptor (PBR)] was identified in the search of binding sites for benzodiazepine anxiolytic drugs in peripheral regions. In these areas, binding sites for TSPO ligands were recognized in steroid-producing tissues. TSPO plays an important role in many cellular functions, and its coding sequence is highly conserved across species. TSPO is located predominantly on the membrane of mitochondria and is overexpressed in several solid cancers. TSPO basal expression in the CNS is low, but it becomes high in neurodegenerative conditions. Thus, TSPO constitutes not only as an outstanding drug target but also as a valuable marker for the diagnosis of a number of diseases. The aim of the present article is to show the lesson we have learned from our activity in TSPO medicinal chemistry and in approaching the targeted delivery to mitochondria by means of TSPO ligands.
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Affiliation(s)
- Antonio Giordani
- Rottapharm Biotech S.p.A., Via Valosa di Sopra 9, 20900 Monza, Italy
| | - Maria Cristina Menziani
- Dipartimento di Scienze Chimiche e Geologiche, Università di Modena e Reggio Emilia, Via Campi 103, 41121 Modena, Italy
| | - Rosa Maria Moresco
- Department of Medicine and Surgery, University of Milan-Bicocca, Nuclear Medicine Department, San Raffaele Scientific Institute, IBFM-CNR, Via Olgettina 60, 20132 Milano, Italy
| | - Mario Matarrese
- Department of Medicine and Surgery, University of Milan-Bicocca, Nuclear Medicine Department, San Raffaele Scientific Institute, IBFM-CNR, Via Olgettina 60, 20132 Milano, Italy
| | - Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Mario Saletti
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Maurizio Anzini
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università di Siena, Via A. Moro 2, 53100 Siena, Italy
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Paolino M, Giovannini T, Manathunga M, Latterini L, Zampini G, Pierron R, Léonard J, Fusi S, Giorgi G, Giuliani G, Cappelli A, Cappelli C, Olivucci M. On the Transition from a Biomimetic Molecular Switch to a Rotary Molecular Motor. J Phys Chem Lett 2021; 12:3875-3884. [PMID: 33856801 DOI: 10.1021/acs.jpclett.1c00526] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The experimental investigation of the unidirectional motion characterizing the photoisomerization of single-molecule rotary motors requires accessible lab prototypes featuring an electronic circular dichroism (ECD) signal that is sensitive to the geometrical and electronic changes occurring during an ultrafast reactive process. Here we report a combined experimental/computational study of a candidate obtained via the asymmetrization of a light-driven biomimetic molecular switch. We show that the achieved motor has an ECD band that is remarkably sensitive to the isomerization motion, and it is therefore suitable for time-resolved ECD studies. However, we also find that, unexpectedly, the synthesized motor isomerizes on a time scale longer than the subpicosecond time measured for the achiral parent, a result that points to alternative candidates conserving a high reaction speed.
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Affiliation(s)
- Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università di Siena, Via A. Moro 2, 53100 Siena, Italy
| | | | - Madushanka Manathunga
- Chemistry Department, Bowling Green State University, Bowling Green, Ohio 43403-0001, United States
| | - Loredana Latterini
- Dipartimento di Chimica, Biologia e Biotecnologie, Università di Perugia, Via Elce di Sotto, 8, 06123 Perugia, Italy
| | - Giulia Zampini
- Dipartimento di Chimica, Biologia e Biotecnologie, Università di Perugia, Via Elce di Sotto, 8, 06123 Perugia, Italy
| | - Robin Pierron
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000 Strasbourg, France
| | - Jérémie Léonard
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67000 Strasbourg, France
| | - Stefania Fusi
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Gianluca Giorgi
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Chiara Cappelli
- Scuola Normale Superiore, Piazza dei Cavalieri 7, 56126 Pisa, Italy
| | - Massimo Olivucci
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università di Siena, Via A. Moro 2, 53100 Siena, Italy
- Chemistry Department, Bowling Green State University, Bowling Green, Ohio 43403-0001, United States
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14
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Giuliani G, Melaccio F, Gozem S, Cappelli A, Olivucci M. QM/MM Investigation of the Spectroscopic Properties of the Fluorophore of Bacterial Luciferase. J Chem Theory Comput 2021; 17:605-613. [PMID: 33449693 DOI: 10.1021/acs.jctc.0c01078] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We employ replica-exchange molecular dynamics (REMD) and a hybrid ab initio multiconfigurational quantum mechanics/molecular mechanics (QM/MM) approach to model the absorption and fluorescence properties of bacterial luciferin-luciferase. Specifically, we employ complete active space perturbation theory (CASPT2) and study the effect of active space, basis set, and IPEA shift on the computed energies. We discuss the effect of the protein environment on the fluorophore's excited-state potential energy surface and the role that the protein plays in enhancing the fluorescence quantum yield in bacterial bioluminescence.
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Affiliation(s)
- Germano Giuliani
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Federico Melaccio
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Samer Gozem
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30302, United States
| | - Andrea Cappelli
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Massimo Olivucci
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, 53100 Siena, Italy.,Department of Chemistry, Bowling Green State University, Bowing Green, Ohio 43403, United States
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15
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Giuliani G, Merolla A, Paolino M, Reale A, Saletti M, Blancafort L, Cappelli A, Benfenati F, Cesca F. Stability Studies of New Caged bis-deoxy-coelenterazine Derivatives and Their Potential Use as Cellular pH Probes. Photochem Photobiol 2020; 97:343-352. [PMID: 33095933 DOI: 10.1111/php.13347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 10/16/2020] [Indexed: 11/28/2022]
Abstract
The synthesis of new bis-deoxy-coelenterazine (1) derivatives bearing ester protective groups (acetate, propionate and butyrate esters) was accomplished. Moreover, their hydrolytic stability at room temperature was evaluated in dimethylsulfoxide (DMSO) as solvent, using the nuclear magnetic resonance (NMR) spectra of the key products at different time intervals. The results showed an increasing hydrolysis rate according to longest aliphatic chain, with a half-life of 24 days of the more stable acetate derivative (4a). Furthermore, the analysis of the experimental data revealed the greater stability of the enol tautomer in this aprotic polar solvent. This result was confirmed by theoretical calculations using the density functional theory (DFT) approach, which gave us the opportunity to propose a detailed decomposition mechanism. Additionally, the derivatives obtained were tested by bioluminescence luciferase assays to evaluate their potential use as extracellular pH-sensitive reporter substrates of luciferase. The biological data support the idea that further structural modifications of these molecules may open promising perspectives in this field of research.
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Affiliation(s)
- Germano Giuliani
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Assunta Merolla
- Center for Synaptic Neuroscience and Technology, Istituto Italiano di Tecnologia, Genova, Italy
| | - Marco Paolino
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Annalisa Reale
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Mario Saletti
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Lluís Blancafort
- Departament de Química, Facultat de Ciències, Institut de Química Computacional i Catàlisi (IQCC), Universitat de Girona, Girona, Spain
| | - Andrea Cappelli
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Fabio Benfenati
- Center for Synaptic Neuroscience and Technology, Istituto Italiano di Tecnologia, Genova, Italy.,IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Fabrizia Cesca
- Center for Synaptic Neuroscience and Technology, Istituto Italiano di Tecnologia, Genova, Italy.,Department of Life Sciences, University of Trieste, Trieste, Italy
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16
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Giuliani G, Formisano G, Milone M, Salaj A, Salvischiani L, Bianchi PP. Full robotic Hartmann's reversal: technical aspects and preliminary experience. Colorectal Dis 2020; 22:1734-1740. [PMID: 32643856 DOI: 10.1111/codi.15249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 05/18/2020] [Accepted: 06/22/2020] [Indexed: 02/08/2023]
Abstract
AIM Laparoscopic Hartmann's reversal (HR) is a major abdominal operation that is associated with considerable morbidity and mortality. The robotic approach, with its intrinsic advantages, could potentially overcome the technical complexity of laparoscopy. The aim of this study was to evaluate the short-term results of a series of 24 robotic HR cases. METHOD The data from 24 patients who underwent robotic HR between September 2016 and July 2019 at two different institutions were prospectively collected and retrospectively analysed. A full robotic single-docking reversal procedure with intracorporeal anastomosis was performed in all patients. RESULTS The mean age and body mass index of the patients were 69 years and 26 kg/m2 , respectively. Of the patients, 58% were ≥ 70 years old and 42% had comorbidities (mean Charlson Comorbidity Index 3). The mean operating time was 240 min. There were no cases of conversion to the open or laparoscopic approach. No diverting loop ileostomies were constructed. The mean length of hospital stay was 6 days. Minor complications were recorded in three patients. Neither major complications nor 30-day readmissions were registered. CONCLUSIONS Robotic HR is a feasible and safe procedure. The robotic approach has low rates of major complications and conversion and could potentially increase the number of patients undergoing HR.
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Affiliation(s)
- G Giuliani
- Department of Surgery, Unit of General and Minimally Invasive Surgery, Ospedale Misericordia, Grosseto, Italy
| | - G Formisano
- Department of Surgery, Unit of General and Minimally Invasive Surgery, Ospedale Misericordia, Grosseto, Italy
| | - M Milone
- Department of Clinical Medicine and Surgery, Federico II University of Naples, Naples, Italy
| | - A Salaj
- Department of Surgery, Unit of General and Minimally Invasive Surgery, Ospedale Misericordia, Grosseto, Italy
| | - L Salvischiani
- Department of Surgery, Unit of General and Minimally Invasive Surgery, Ospedale Misericordia, Grosseto, Italy
| | - P P Bianchi
- Department of Surgery, Unit of General and Minimally Invasive Surgery, Ospedale Misericordia, Grosseto, Italy
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17
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Chassagnol F, Marcelli G, Wagle J, Giuliani G, Traub D, Schaub V, Ruof J. Review of Relative effectiveness assessments (REAs) of pharmaceuticals at the European network for health technology assessment (EUnetHTA): A first step towards a consolidated European perspective on comparative effectiveness & safety? Health Policy 2020; 124:943-951. [PMID: 32622542 DOI: 10.1016/j.healthpol.2020.06.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 04/03/2020] [Accepted: 06/22/2020] [Indexed: 11/17/2022]
Abstract
OBJECTIVES REAs from Joint Action (JA1-3) were reviewed and compared versus Health Technology Assessments (HTA) in France, Germany, UK, Italy. METHODS EUnetHTA REAs published until end of 2019 were identified. Leveraging information derived from the HTA bodies' website key process (population; timing; national HTA bodies involved) and content characteristics (evidence base; comparative therapy, endpoints, subgroups) were determined and compared against national appraisals. RESULTS All twelve pharmaceutical EUnetHTA assessment finalized until end of 2019 were included with Ustekinumab being the most recent (October 2019) and Pazopanib the first assessment (September 2012). In all but three assessments EUnetHTA's assessment did not cover the full EMA indication. Since JA3 time intervals between EMA approval and EUnetHTA assessment were < 80 days. Number of (co-)authoring HTA bodies ranged between 2 (in 6 REAs) and > 10 (Pazopanib). EUnetHTA did consider non - RCT evidence in 7 procedures; take a rather inclusive approach regarding appropriate comparative treatments; approach endpoints less restrictively than e.g. the German IQWiG/GBA; not apply a predetermined set of subgroups analyses. In seven REAs, national appraisal showed inhomogeneities across the 4 countries. National appraisals for Sotagliflozin and Ustekinumab were not yet available. CONCLUSIONS A joint European HTA assessment has the potential to address the challenge of heterogeneity across the various national European HTA bodies and to determine joint European clinical development data standards that are aligned with regulatory requirements.
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Affiliation(s)
| | | | | | | | | | - V Schaub
- F. Hoffmann La Roche, Switzerland
| | - J Ruof
- Medical School of Hanover, Germany; r-connect GmbH, Switzerland.
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18
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Paolino M, Reale A, Magrini G, Razzano V, Giuliani G, Donati A, Giorgi G, Samperi F, Canetti M, Mauro M, Villafiorita-Monteleone F, Fois E, Botta C, Cappelli A. UV-light-induced polymerization in the amorphous solid-state of a spontaneously non-polymerizing 3-phenylbenzofulvene monomer. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109923] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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19
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Milone M, Degiuli M, Allaix ME, Ammirati CA, Anania G, Barberis A, Belli A, Bianchi PP, Bianco F, Bombardini C, Burati M, Cavaliere D, Coco C, Coratti A, De Luca R, De Manzoni G, De Nardi P, De Rosa M, Delrio P, Di Cataldo A, Di Leo A, Donini A, Elmore U, Fontana A, Gallo G, Gentilli S, Giannessi S, Giuliani G, Graziosi L, Guerrieri M, Li Destri G, Longhin R, Manigrasso M, Mineccia M, Monni M, Morino M, Ortenzi M, Pecchini F, Pedrazzani C, Piccoli M, Pollesel S, Pucciarelli S, Reddavid R, Rega D, Rigamonti M, Rizzo G, Robustelli V, Rondelli F, Rosati R, Roviello F, Santarelli M, Saraceno F, Scabini S, Sica GS, Sileri P, Simone M, Siragusa L, Sofia S, Solaini L, Tribuzi A, Trompetto M, Turri G, Urso EDL, Vertaldi S, Vignali A, Zuin M, Zuolo M, D'Ugo D, De Palma GD. Mid-transverse colon cancer and extended versus transverse colectomy: Results of the Italian society of surgical oncology colorectal cancer network (SICO CCN) multicenter collaborative study. Eur J Surg Oncol 2020; 46:1683-1688. [PMID: 32220542 DOI: 10.1016/j.ejso.2020.01.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 01/03/2020] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION Transverse colon cancer (TCC) is poorly studied, and TCC cases are often excluded from large prospective randomized trials because of their complexity and their potentially high complication rate. The best surgical approach for TCC has yet to be established. The aim of this large retrospective multicenter Italian series is to investigate the advantages and disadvantages of both hemicolectomy and transverse colectomy in order to identify the best surgical approach. MATERIALS AND METHODS This was a retrospective cohort study of patients with mid-transverse colon cancer treated with a segmental colon resection or an extended hemicolectomy (right or left) between 2006 and 2016 in 28 high-volume (more than 70 procedures/year) Italian referral centers for colorectal surgery. RESULTS The study included 1529 patients, 388 of whom underwent a segmental resection while 1141 underwent an extended resection. A higher number of complications has been reported in the segmental group than in the extended group (30.1% versus 23.6%; p 0.010). In 42 cases the main complication was the anastomotic leak (4.4% versus 2.2%; p 0.020). Recovery outcomes also showed statistical differences: time to first flatus (p 0.014), time to first mobilization (p 0.040), and overall hospital stay (p < 0.001) were significantly shorter in the extended group. Even if overall survival were similar between the groups (95.1% versus 97%; p 0.384), 3-year disease-free survival worsened after segmental resection (78.1% versus 86.2%; p 0.001). CONCLUSIONS According to our results, an extended right colon resection for TCC seems to be surgically safer and more oncologically valid.
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Affiliation(s)
- M Milone
- Department of Clinical Medicine and Surgery, Federico II University of Naples, Naples, Italy.
| | - M Degiuli
- Department of Oncology, Surgical Oncology and Digestive Surgery Unit, San Luigi University Hospital, Orbassano, Turin, Italy
| | - M E Allaix
- Department of Surgical Sciences, University of Turin, Turin, Italy
| | - C A Ammirati
- Oncologic Surgical Unit, Hospital Policlinic San Martino, Genova, Italy
| | - G Anania
- Department of Morphology, Experimental Medicine and Surgery, Section of General and Thoracic Surgery, University of Ferrara, Italy
| | - A Barberis
- Unit of General and Hepatobiliopancreatic Surgery, Galliera Hospital, Genova, Italy
| | - A Belli
- Division of Surgical Oncology, Department of Abdominal Oncology, IRCCS Fondazione "G. Pascale", Naples, Italy
| | - P P Bianchi
- Department of General and Minimally Invasive Surgery, Misericordia Hospital, Grosseto, Italy
| | - F Bianco
- Division of Surgical Oncology, Department of Abdominal Oncology, IRCCS Fondazione "G. Pascale", Naples, Italy
| | - C Bombardini
- Department of Morphology, Experimental Medicine and Surgery, Section of General and Thoracic Surgery, University of Ferrara, Italy
| | - M Burati
- Department of Clinical Medicine and Surgery, Federico II University of Naples, Naples, Italy
| | - D Cavaliere
- General and Oncologic Surgery, Morgagni-Pierantoni Hospital, Forlì, Italy
| | - C Coco
- Department of General Surgery, Sacred Heart Catholic University, Rome, Italy
| | - A Coratti
- Division of Oncological and Robotic General Surgery, Careggi University Hospital, Florence, Italy
| | - R De Luca
- Department of Surgical Oncology, National Cancer Research Center, Giovanni Paolo II Tumor Institute, Bari, Italy
| | - G De Manzoni
- Department of Surgery, General and Upper GI, Surgery Division, University of Verona, Verona, Italy
| | - P De Nardi
- Division of Gastrointestinal Surgery, San Raffaele Scientific Institut, Milan, Italy
| | - M De Rosa
- Department of General Surgery, San Giovanni Battista Hospital, Foligno, Italy
| | - P Delrio
- Colorectal Abdominal Surgery Division, IRCCS Fondazione "G. Pascale", Naples, Italy
| | - A Di Cataldo
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - A Di Leo
- Department of Surgery, General and Upper GI, Surgery Division, University of Verona, Verona, Italy
| | - A Donini
- Department of General and Emergency Surgery, University of Perugia, Perugia, Italy
| | - U Elmore
- Division of Gastrointestinal Surgery, San Raffaele Scientific Institut, Milan, Italy
| | - A Fontana
- Department of HPB and Digestive Surgery, Ospedale Mauriziano Umberto I, Turin, Italy
| | - G Gallo
- Department of Colorectal Surgery, Santa Rita Clinic, Vercelli, Italy
| | - S Gentilli
- Department of General Surgery, Maggiore della Carità Hospital, Novara, Italy
| | - S Giannessi
- Operative Unit of General Surgery, San Jacopo Hospital, Pistoia, Italy
| | - G Giuliani
- Department of General and Minimally Invasive Surgery, Misericordia Hospital, Grosseto, Italy
| | - L Graziosi
- Department of General and Emergency Surgery, University of Perugia, Perugia, Italy
| | - M Guerrieri
- Department of General Surgery, Università Politecnica delle Marche, Ancona, Italy
| | - G Li Destri
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - R Longhin
- Unit of General and Hepatobiliopancreatic Surgery, Galliera Hospital, Genova, Italy
| | - M Manigrasso
- Department of Clinical Medicine and Surgery, Federico II University of Naples, Naples, Italy
| | - M Mineccia
- Department of HPB and Digestive Surgery, Ospedale Mauriziano Umberto I, Turin, Italy
| | - M Monni
- Department of General Surgery, Maggiore della Carità Hospital, Novara, Italy
| | - M Morino
- Department of Surgical Sciences, University of Turin, Turin, Italy
| | - M Ortenzi
- Department of General Surgery, Università Politecnica delle Marche, Ancona, Italy
| | - F Pecchini
- Department of General and Emergency Surgery, Azienda Ospedaliera Universitaria Modena, Modena, Italy
| | - C Pedrazzani
- Division of General and Hepatobiliary Surgery, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, Unit of Colorectal Surgery, University of Verona, Verona, Italy
| | - M Piccoli
- Department of General and Emergency Surgery, Azienda Ospedaliera Universitaria Modena, Modena, Italy
| | - S Pollesel
- Department of General Surgery and Surgical Oncology, University of Siena, Italy
| | - S Pucciarelli
- Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy
| | - R Reddavid
- Department of Oncology, Surgical Oncology and Digestive Surgery Unit, San Luigi University Hospital, Orbassano, Turin, Italy
| | - D Rega
- Colorectal Abdominal Surgery Division, IRCCS Fondazione "G. Pascale", Naples, Italy
| | - M Rigamonti
- Operative Unit of General Surgery, Valli del Noce Hospital, Cles, Trento, Italy
| | - G Rizzo
- Department of General Surgery, Sacred Heart Catholic University, Rome, Italy
| | - V Robustelli
- Operative Unit of General Surgery, San Jacopo Hospital, Pistoia, Italy
| | - F Rondelli
- Department of General Surgery, San Giovanni Battista Hospital, Foligno, Italy
| | - R Rosati
- Division of Gastrointestinal Surgery, San Raffaele Scientific Institut, Milan, Italy
| | - F Roviello
- Department of General Surgery and Surgical Oncology, University of Siena, Italy
| | - M Santarelli
- Division of General and Emergency Surgery, Molinette Hospital, Turin, Italy
| | - F Saraceno
- Department of General Surgery, University of Rome Tor Vergata, Rome, Italy
| | - S Scabini
- Oncologic Surgical Unit, Hospital Policlinic San Martino, Genova, Italy
| | - G S Sica
- Department of Minimally Invasive and GI Surgery, Policlinico Tor Vergata, Rome, Italy
| | - P Sileri
- Department of General Surgery, University of Rome Tor Vergata, Rome, Italy
| | - M Simone
- Department of Surgical Oncology, National Cancer Research Center, Giovanni Paolo II Tumor Institute, Bari, Italy
| | - L Siragusa
- Department of Minimally Invasive and GI Surgery, Policlinico Tor Vergata, Rome, Italy
| | - S Sofia
- Department of Oncology, Surgical Oncology and Digestive Surgery Unit, San Luigi University Hospital, Orbassano, Turin, Italy
| | - L Solaini
- General and Oncologic Surgery, Morgagni-Pierantoni Hospital, Forlì, Italy
| | - A Tribuzi
- Division of Oncological and Robotic General Surgery, Careggi University Hospital, Florence, Italy
| | - M Trompetto
- Department of Colorectal Surgery, Santa Rita Clinic, Vercelli, Italy
| | - G Turri
- Division of General and Hepatobiliary Surgery, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, Unit of Colorectal Surgery, University of Verona, Verona, Italy
| | - E D L Urso
- Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy
| | - S Vertaldi
- Department of Clinical Medicine and Surgery, Federico II University of Naples, Naples, Italy
| | - A Vignali
- Division of Gastrointestinal Surgery, San Raffaele Scientific Institut, Milan, Italy
| | - M Zuin
- Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy
| | - M Zuolo
- Operative Unit of General Surgery, Valli del Noce Hospital, Cles, Trento, Italy
| | - D D'Ugo
- Department of Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
| | - G D De Palma
- Department of Clinical Medicine and Surgery, Federico II University of Naples, Naples, Italy
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20
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Formisano G, Giuliani G, Salvischiani L, Salaj A, Bianchi PP. Robotic repair of a parastomal hernia with transversus abdominis release - a video vignette. Colorectal Dis 2020; 22:222-223. [PMID: 31489738 DOI: 10.1111/codi.14849] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 08/12/2019] [Indexed: 02/08/2023]
Affiliation(s)
- G Formisano
- Department of General and Minimally-invasive Surgery, Misericordia Hospital, Grosseto, Italy
| | - G Giuliani
- Department of General and Minimally-invasive Surgery, Misericordia Hospital, Grosseto, Italy
| | - L Salvischiani
- Department of General and Minimally-invasive Surgery, Misericordia Hospital, Grosseto, Italy
| | - A Salaj
- Department of General and Minimally-invasive Surgery, Misericordia Hospital, Grosseto, Italy
| | - P P Bianchi
- Department of General and Minimally-invasive Surgery, Misericordia Hospital, Grosseto, Italy
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21
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Paolino M, Reale A, Razzano V, Giorgi G, Giuliani G, Villafiorita-Monteleone F, Botta C, Coppola C, Sinicropi A, Cappelli A. Design, synthesis, structure, and photophysical features of highly emissive cinnamic derivatives. NEW J CHEM 2020. [DOI: 10.1039/d0nj02429e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
New cinnamic derivatives 1a–c were designed starting from the chromophores working in polybenzofulvene derivatives poly-6-DMFL-BF3k, poly-6-MCBZ-BF3k, and poly-6-TPA-BF3k endowed with outstanding optoelectronic performances.
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Affiliation(s)
- Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022)
- Università degli Studi di Siena, Via Aldo Moro 2
- 53100 Siena
- Italy
| | - Annalisa Reale
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022)
- Università degli Studi di Siena, Via Aldo Moro 2
- 53100 Siena
- Italy
| | - Vincenzo Razzano
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022)
- Università degli Studi di Siena, Via Aldo Moro 2
- 53100 Siena
- Italy
| | - Gianluca Giorgi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022)
- Università degli Studi di Siena, Via Aldo Moro 2
- 53100 Siena
- Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022)
- Università degli Studi di Siena, Via Aldo Moro 2
- 53100 Siena
- Italy
| | | | - Chiara Botta
- Istituto di Scienze e Tecnologie Chimiche “G. Natta” – SCITEC (CNR), Via A. Corti 12
- 20133 Milano
- Italy
| | - Carmen Coppola
- R2ES Lab, Department of Biotechnology, Chemistry and Pharmacy, University of Siena
- 53100 Siena
- Italy
- Center for Colloid and Surface Science (CSGI)
- 50019 Firenze
| | - Adalgisa Sinicropi
- R2ES Lab, Department of Biotechnology, Chemistry and Pharmacy, University of Siena
- 53100 Siena
- Italy
- Center for Colloid and Surface Science (CSGI)
- 50019 Firenze
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022)
- Università degli Studi di Siena, Via Aldo Moro 2
- 53100 Siena
- Italy
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22
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Paolino M, Licciardi M, Savoca C, Giammona G, Modica De Mohac L, Reale A, Giuliani G, Komber H, Donati A, Leone G, Magnani A, Anzini M, Cappelli A. Hyaluronan Graft Copolymers Bearing Fatty-Acid Residues as Self-Assembling Nanoparticles for Olanzapine Delivery. Pharmaceutics 2019; 11:E675. [PMID: 31842344 PMCID: PMC6956235 DOI: 10.3390/pharmaceutics11120675] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/06/2019] [Accepted: 12/09/2019] [Indexed: 11/16/2022] Open
Abstract
In order to evaluate the potential of a technology platform based on hyaluronan copolymers grafted with propargylated ferulate fluorophores (HA-FA-Pg) in the development of drug delivery systems, the propargyl groups of HA-FA-Pg derivatives were employed with oleic acid (OA) or stearic acid (SA) residues across a biocompatible hexa(ethylene glycol) (HEG) spacer. The designed materials (i.e., HA-FA-HEG-OA or HA-FA-HEG-SA) showed clear-cut aggregation features in an aqueous environment, as confirmed by dynamic light scattering (DLS) and transmission electron microscopy (TEM), generating nanoaggregate systems. In fact, HA-FA-HEG-OA and HA-FA-HEG-SA derivatives showed the property to create self-assembled cytocompatible nanostructured aggregates in water, thanks to the simultaneous presence of hydrophilic portions in the polymeric backbone, such as hyaluronic acid, and hydrophobic portions in the side chains. Furthermore, the designed materials interact with living cells showing a high degree of cytocompatibility. The potential ability of nanosystems to load pharmacologically active molecules was assessed by the physical entrapment of olanzapine into both polymeric systems. The drug loading evaluation demonstrated that the nanoparticles are able to incorporate a good quantity of olanzapine, as well as improve drug solubility, release profile, and cytocompatibility.
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Affiliation(s)
- Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy; (A.R.); (G.G.); (A.D.); (G.L.); (A.M.); (M.A.); (A.C.)
| | - Mariano Licciardi
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy; (M.L.); (C.S.); (G.G.)
| | - Cristina Savoca
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy; (M.L.); (C.S.); (G.G.)
| | - Gaetano Giammona
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy; (M.L.); (C.S.); (G.G.)
| | - Laura Modica De Mohac
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza “G. D’Alessandro” (PROMISE), Università degli Studi di Palermo, 90100 Palermo, Italy;
| | - Annalisa Reale
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy; (A.R.); (G.G.); (A.D.); (G.L.); (A.M.); (M.A.); (A.C.)
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy; (A.R.); (G.G.); (A.D.); (G.L.); (A.M.); (M.A.); (A.C.)
| | - Hartmut Komber
- Leibniz Institute of Polymer Research, Hohe Strasse 6, 01069 Dresden, Germany;
| | - Alessandro Donati
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy; (A.R.); (G.G.); (A.D.); (G.L.); (A.M.); (M.A.); (A.C.)
| | - Gemma Leone
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy; (A.R.); (G.G.); (A.D.); (G.L.); (A.M.); (M.A.); (A.C.)
| | - Agnese Magnani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy; (A.R.); (G.G.); (A.D.); (G.L.); (A.M.); (M.A.); (A.C.)
| | - Maurizio Anzini
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy; (A.R.); (G.G.); (A.D.); (G.L.); (A.M.); (M.A.); (A.C.)
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy; (A.R.); (G.G.); (A.D.); (G.L.); (A.M.); (M.A.); (A.C.)
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23
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Tardivo S, Moretti F, Agodi A, Appignanesi R, Baldovin T, Barchitta M, Brusaferro S, Canino R, Carli A, D'Errico MM, Giuliani G, Moro M, Mura I, Nobile M, Novati R, Pasquarella C, Privitera G, Rossini A, Sodano L, Torregrossa MV, Torri E, Auxilia F. Essential strategies in HAI prevention and control: performance assessment through the implementation of the HAI-CoSIP tool of the GISIO-SItI group. A pilot study in a sample of Italian Organizations. Ann Ig 2019; 30:502-508. [PMID: 30374513 DOI: 10.7416/ai.2018.225] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Healthcare-Associated Infections are a great concern for worldwide healthcare systems and represent a considerable threat to patient safety, leading to adverse clinical outcomes. A defined panel of indicators represents a key element to guide Healthcare Organizations towards identification of main gaps, implementation of effective actions and continuous improvements on Healthcare-Associated Infections prevention and control activities. A review on accreditation systems conducted by the Italian Study Group of Hospital Hygiene of the Italian Society of Hygiene Preventive Medicine and Public Health revealed a substantial heterogeneity of implemented standards and led to the development of a core set of indicators and requirements for Healthcare-Associated Infections' prevention and control within the hospital setting. The main aim of the study was to test the feasibility of the Healthcare-Associated Infections' prevention and control within the hospital setting tool to calculate performance scores on a sample of Italian Healthcare Organizations and to identify major critical issues. The potential benefits of the possibility of future implementation of the tool within Institutional Accreditation Programs is discussed. STUDY DESIGN Cross sectional pilot survey. METHODS The Healthcare-Associated Infections' prevention and control within the hospital setting included 96 criteria and 20 key areas including an area for outcomes indicators. For applicable criteria, standards fulfilment was evaluated according to a 4 point Likert scale. A composite score was calculated for each Healthcare Organization and five performance levels were identified. Data were further analysed by computing performance scores at the level of each area and requirement. RESULTS 20 Healthcare Organizations agreed to take part in this pilot study including two rehabilitative Healthcare Organizations. Among the whole sample a mean of 12.20% of requirements resulted not fulfilled, leaving space for further improvements. Critical areas were easily identified and the instrument was able to capture substantial differences between Healthcare Organizations. Only a few number of standards resulted "Not Applicable" (Mean = 4.71%) and most of them regarded Rehabilitative Healthcare Organizations. Mean composite performance index resulted 74.06% (SD = 16.96, range 36.30 - 94.27%); area of outcome indicators obtained a mean score of 56.17. CONCLUSION The Healthcare-Associated Infections' prevention and control within the hospital setting resulted an useful tool to assess Healthcare Organizations' performance in the field of Healthcare-Associated Infections prevention and control and to identify necessary actions for further improvements. The distribution of total scores by Healthcare Organizations showed a high heterogeneity. Implementation of the Healthcare-Associated Infections' prevention and control within the hospital setting tool as an institutional accreditation tool may help to drive the required harmonization at a national level of Healthcare-Associated Infections management and control strategies and overcome current substantial regional differences.
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Affiliation(s)
- S Tardivo
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - F Moretti
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - A Agodi
- Department of Medical and Surgical Sciences and Advanced Technologies 'GF Ingrassia', University of Catania, Catania, Italy
| | - R Appignanesi
- Management Department, Asur Zt 12, San Benedetto del Tronto, Italy
| | - T Baldovin
- Department of Molecular Medicine, Section of Public Health, University of Padova, Padova, Italy
| | - M Barchitta
- Department of Molecular Medicine, Section of Public Health, University of Padova, Padova, Italy
| | - S Brusaferro
- Department of Medical and Biological Sciences, University of Udine, Udine, Italy
| | - R Canino
- Medical Direction Department, Oglio-Po Hospital, Vicomoscano - Casalmaggiore, Cremona, Italy
| | - A Carli
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - M M D'Errico
- Department of Biomedical Science and Public Health, Polytechnic University of Marche, Torrette di Ancona, Ancona, Italy
| | - G Giuliani
- Medical Direction Department, Infections Control Committee, G.Salvini Hospital, Garbagnate Milanese, Milan, Italy
| | - M Moro
- Medical Direction Department, Infections Control Committee, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - I Mura
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, Sassari, Italy
| | - M Nobile
- Management Department, G. Pini Orthopedic Institute, University of Milan, Milan, Italy
| | - R Novati
- Medical Direction Department, Aosta Regional Hospital, Aosta, Italy
| | - C Pasquarella
- Department of Hygiene and Public Health, University of Parma, Parma, Italy
| | - G Privitera
- Department of Translational Research, N.T.M.S., University of Pisa, Pisa, Italy
| | - A Rossini
- Medical Direction Department, IRCCS Santa Lucia Scientific Institute, Rome, Italy
| | - L Sodano
- Medical Direction Department San Camillo Forlanini Hospital, Rome, Italy
| | - M V Torregrossa
- Department of Sciences for Health Promotion "G. D'Alessandro", Hygiene Section, University of Palermo, Palermo, ItalY
| | - E Torri
- Department of Health and Social Policy, P.A. Trento, Trento, Italy
| | - F Auxilia
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
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24
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Paolino M, Reale A, Razzano V, Giuliani G, Donati A, Giorgi G, Boccia AC, Mendichi R, Piovani D, Botta C, Salvini L, Samperi F, Savoca C, Licciardi M, Paccagnini E, Gentile M, Cappelli A. Physicochemical Properties of A New PEGylated Polybenzofulvene Brush for Drug Encapsulation. Pharmaceutics 2019; 11:E444. [PMID: 31480633 PMCID: PMC6781277 DOI: 10.3390/pharmaceutics11090444] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/19/2019] [Accepted: 08/20/2019] [Indexed: 11/26/2022] Open
Abstract
A new polymer brush was synthesized by spontaneous polymerization of benzofulvene macromonomer 6-MOEG-9-T-BF3k bearing a nona(ethylene glycol) side chain linked to the 3-phenylindene scaffold by means of a triazole heterocycle. The polymer structure was studied by SEC-MALS, NMR spectroscopy, and MALDI-TOF MS techniques, and the results supported the role of oligomeric initiatory species in the spontaneous polymerization of polybenzofulvene derivatives. The aggregation features of high molecular weight poly-6-MOEG-9-T-BF3k-FE were investigated by pyrene fluorescence analysis, dynamic light scattering studies, and transmission electron microscopy, which suggested a tendency towards the formation of spherical objects showing dimensions in the range of 20-200 nm. Moreover, poly-6-MOEG-9-T-BF3k-FE showed an interesting cytocompatibility in the whole concentration range tested that, besides its aggregation features, makes this polybenzofulvene brush a good polymer candidate for nanoencapsulation and delivery of drug molecules. Finally, the photo-physical features of poly-6-MOEG-9-T-BF3k-FE could allow the biodistribution of the resulting drug delivery systems to be monitored by fluorescence microscopy techniques.
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Affiliation(s)
- Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Annalisa Reale
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Vincenzo Razzano
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Alessandro Donati
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Gianluca Giorgi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | | | - Raniero Mendichi
- Istituto per lo Studio delle Macromolecole (CNR), Via A. Corti 12, 20133 Milano, Italy
| | - Daniele Piovani
- Istituto per lo Studio delle Macromolecole (CNR), Via A. Corti 12, 20133 Milano, Italy
| | - Chiara Botta
- Istituto per lo Studio delle Macromolecole (CNR), Via A. Corti 12, 20133 Milano, Italy
| | - Laura Salvini
- Toscana Life Sciences Foundation, Via Fiorentina 1, 53100 Siena, Italy
| | - Filippo Samperi
- Istituto per i Polimeri, Compositi e Biomateriali (IPCB) U.O.S. di Catania, CNR, Via Gaifami 18, 95126 Catania, Italy
| | - Cristina Savoca
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Mariano Licciardi
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Eugenio Paccagnini
- Dipartimento di Scienze della Vita, Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Mariangela Gentile
- Dipartimento di Scienze della Vita, Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
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25
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Pagano K, Paolino M, Fusi S, Zanirato V, Trapella C, Giuliani G, Cappelli A, Zanzoni S, Molinari H, Ragona L, Olivucci M. Bile Acid Binding Protein Functionalization Leads to a Fully Synthetic Rhodopsin Mimic. J Phys Chem Lett 2019; 10:2235-2243. [PMID: 30995409 DOI: 10.1021/acs.jpclett.9b00210] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Rhodopsins are photoreceptive proteins using light to drive a plethora of biological functions such as vision, proton and ion pumping, cation and anion channeling, and gene and enzyme regulation. Here we combine organic synthesis, NMR structural studies, and photochemical characterization to show that it is possible to prepare a fully synthetic mimic of rhodopsin photoreceptors. More specifically, we conjugate a bile acid binding protein with a synthetic mimic of the rhodopsin protonated Schiff base chromophore to achieve a covalent complex featuring an unnatural protein host, photoswitch, and photoswitch-protein linkage with a reverse orientation. We show that, in spite of its molecular-level diversity, light irradiation of the prepared mimic fuels a photochromic cycle driven by sequential photochemical and thermal Z/E isomerizations reminiscent of the photocycles of microbial rhodopsins.
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Affiliation(s)
- Katiuscia Pagano
- Istituto per lo Studio delle Macromolecole, CNR , Via A. Corti 12 , 20133 Milano , Italy
| | - Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022) , Università degli Studi di Siena , Via Aldo Moro 2 , 53100 Siena , Italy
| | - Stefania Fusi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022) , Università degli Studi di Siena , Via Aldo Moro 2 , 53100 Siena , Italy
| | | | | | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022) , Università degli Studi di Siena , Via Aldo Moro 2 , 53100 Siena , Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022) , Università degli Studi di Siena , Via Aldo Moro 2 , 53100 Siena , Italy
| | - Serena Zanzoni
- Centro Piattaforme Tecnologiche , Università di Verona , Strada Le Grazie , 37134 Verona , Italy
| | - Henriette Molinari
- Istituto per lo Studio delle Macromolecole, CNR , Via A. Corti 12 , 20133 Milano , Italy
| | - Laura Ragona
- Istituto per lo Studio delle Macromolecole, CNR , Via A. Corti 12 , 20133 Milano , Italy
| | - Massimo Olivucci
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022) , Università degli Studi di Siena , Via Aldo Moro 2 , 53100 Siena , Italy
- Chemistry Department , Bowling Green State University , Bowling Green , Ohio 43403 , United States
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26
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Paolino M, Visintin M, Margotti E, Visentini M, Salvini L, Reale A, Razzano V, Giuliani G, Caselli G, Tavanti F, Menziani MC, Cappelli A. Functionalization of protein hexahistidine tags by functional nanoreactors. NEW J CHEM 2019. [DOI: 10.1039/c9nj03463c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The reactivity of functional nanoreactors was evaluated in CRB0137 as a model protein to develop a new methodology for the site-specific PEGylation of proteins bearing poly-histidine tags.
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Affiliation(s)
- Marco Paolino
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022)
- Università di Siena
- 53100 Siena
- Italy
| | | | | | | | | | - Annalisa Reale
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022)
- Università di Siena
- 53100 Siena
- Italy
| | - Vincenzo Razzano
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022)
- Università di Siena
- 53100 Siena
- Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022)
- Università di Siena
- 53100 Siena
- Italy
| | | | - Francesco Tavanti
- Dipartimento di Scienze Chimiche e Geologiche
- Università di Modena e Reggio Emilia
- 41121 Modena
- Italy
| | - Maria Cristina Menziani
- Dipartimento di Scienze Chimiche e Geologiche
- Università di Modena e Reggio Emilia
- 41121 Modena
- Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018–2022)
- Università di Siena
- 53100 Siena
- Italy
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27
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Paolino M, Reale A, Razzano V, Giuliani G, Donati A, Bonechi C, Caselli G, Visintin M, Makovec F, Scialabba C, Licciardi M, Paccagnini E, Gentile M, Salvini L, Tavanti F, Menziani MC, Cappelli A. Nanoreactors for the multi-functionalization of poly-histidine fragments. NEW J CHEM 2019. [DOI: 10.1039/c9nj00279k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Water-soluble MBHA derivatives self-assemble to generate aggregates showing reactive core–shell architectures.
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Toscano M, Viganò A, Rea A, Verzina A, Sasso D'Elia T, Puledda F, Longo L, Mancini V, Ruggiero M, Jannini TB, Giuliani G, Albino F, Altieri M, Vicenzini E, Fattapposta F, Pauri F, Giacomini P, Ruoppolo G, Di Piero V. Sapienza Global Bedside Evaluation of Swallowing after Stroke: the GLOBE-3S study. Eur J Neurol 2018; 26:596-602. [PMID: 30414300 DOI: 10.1111/ene.13862] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Accepted: 11/06/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND AND PURPOSE Dysphagia occurs in up to 50% of all patients with acute stroke. There is debate regarding which is the most effective screening tool in identifying aspiration in patients with acute stroke. We assessed the accuracy of the Sapienza Global Bedside Evaluation of Swallowing after Stroke (GLOBE-3S), which combines the Toronto Bedside Swallowing Screening Test (TOR-BSST©) with oxygen desaturation and laryngeal elevation measurement during swallowing. METHODS We prospectively enrolled consecutive patients with stroke within 72 h of symptom onset. All patients with stroke firstly underwent a standard neurological examination, then the GLOBE-3S evaluation and finally the fiberoptic endoscopic evaluation of swallowing (FEES). Two different assessors, a neurologist and a speech pathologist, blind to both the clinical data and each other's evaluation, administered the GLOBE-3S and FEES examination. We assessed the accuracy of the GLOBE-3S in detecting post-stroke swallow impairment with aspiration using the FEES as the standard. RESULTS We enrolled 50 patients with acute stroke, 28 of whom (56%) had swallowing impairment with aspiration at FEES evaluation. A total of 33 patients (66%) failed the GLOBE-3S evaluation. The GLOBE-3S reached a sensitivity of 100% and a specificity of 77.3% (negative predictive value, 100%; positive likelihood ratio, 4.34). The median time required for the GLOBE-3S to be performed was 297 s. CONCLUSIONS GLOBE-3S is quick to perform at the bedside and can accurately identify aspiration in patients with acute stroke. By including the measurement of laryngeal elevation and monitoring of oxygen desaturation, it could represent a highly sensitive instrument to avoid the misdiagnosis of silent aspirators.
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Affiliation(s)
- M Toscano
- Department of Human Neuroscience, 'Sapienza' University of Rome, Rome, Italy.,Department of Neurology, Fatebenefratelli Hospital, Isola Tiberina, Rome, Italy
| | - A Viganò
- Department of Human Neuroscience, 'Sapienza' University of Rome, Rome, Italy.,Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, 'Sapienza' University of Rome, Rome, Italy
| | - A Rea
- Department of Sensorial Organs, 'Sapienza' University of Rome, Rome, Italy
| | - A Verzina
- Neurology Clinic, University of Perugia - Perugia General Hospital, Perugia, Italy
| | - T Sasso D'Elia
- Physical Medicine and Rehabilitation Division, 'Sapienza' University of Rome, Rome, Italy
| | - F Puledda
- Institute of Psychiatry, Psychology and Neuroscience, King's College of London, London, UK
| | - L Longo
- Department of Sensorial Organs, 'Sapienza' University of Rome, Rome, Italy
| | - V Mancini
- Department of Human Neuroscience, 'Sapienza' University of Rome, Rome, Italy
| | - M Ruggiero
- Department of Human Neuroscience, 'Sapienza' University of Rome, Rome, Italy
| | - T B Jannini
- Department of Human Neuroscience, 'Sapienza' University of Rome, Rome, Italy
| | - G Giuliani
- Department of Human Neuroscience, 'Sapienza' University of Rome, Rome, Italy
| | - F Albino
- Department of Sensorial Organs, 'Sapienza' University of Rome, Rome, Italy
| | - M Altieri
- Department of Human Neuroscience, 'Sapienza' University of Rome, Rome, Italy
| | - E Vicenzini
- Department of Human Neuroscience, 'Sapienza' University of Rome, Rome, Italy
| | - F Fattapposta
- Department of Sensorial Organs, 'Sapienza' University of Rome, Rome, Italy
| | - F Pauri
- Department of Sensorial Organs, 'Sapienza' University of Rome, Rome, Italy
| | - P Giacomini
- Department of Sensorial Organs, 'Sapienza' University of Rome, Rome, Italy
| | - G Ruoppolo
- Department of Sensorial Organs, 'Sapienza' University of Rome, Rome, Italy
| | - V Di Piero
- Department of Human Neuroscience, 'Sapienza' University of Rome, Rome, Italy
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Paolino M, Grisci G, Castriconi F, Reale A, Giuliani G, Donati A, Bonechi C, Giorgi G, Mendichi R, Piovani D, Boccia AC, Canetti M, Samperi F, Dattilo S, Scialabba C, Licciardi M, Paccagnini E, Gentile M, Cappelli A. Densely PEGylated Polybenzofulvene Brushes for Potential Applications in Drug Encapsulation. Pharmaceutics 2018; 10:E234. [PMID: 30445768 PMCID: PMC6321592 DOI: 10.3390/pharmaceutics10040234] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 11/04/2018] [Accepted: 11/12/2018] [Indexed: 11/17/2022] Open
Abstract
The technique of grafting side chains onto a linear polymeric backbone is commonly used to confer to the new polymeric material with desired properties, such as tunable solubility, ionic charge, biocompatibility, or specific interactions with biological systems. In this paper, two new polybenzofulvene backbones were assembled by spontaneous polymerization of the appropriate benzofulvene monomers (4,6-PO-BF3k and 4',6-PO-BF3k) bearing two clickable propargyloxy groups in different positions of the 3-phenylindene scaffold. Poly-4,6-PO-BF3k and poly-4',6-PO-BF3k were grafted with monomethyl oligo(ethylene glycol) (MOEG) to prepare two new polybenzofulvene brushes (i.e., poly-4,6-MOEG-9-TM-BF3k and poly-4',6-MOEG-9-TM-BF3k) by means of a "grafting onto" approach, that were characterized from the point of view of their macromolecular features, aggregation liability, and in a preliminary evaluation of biocompatibility. The obtained results make these PEGylated polybenzofulvene brushes (PPBFB) derivatives potentially useful as nanocarriers for nanoencapsulation and delivery of drug molecules.
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Affiliation(s)
- Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018⁻2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Giorgio Grisci
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018⁻2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Federica Castriconi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018⁻2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Annalisa Reale
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018⁻2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018⁻2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Alessandro Donati
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018⁻2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Claudia Bonechi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018⁻2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Gianluca Giorgi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018⁻2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Raniero Mendichi
- Istituto per lo Studio delle Macromolecole (CNR), Via A. Corti 12, 20133 Milano, Italy.
| | - Daniele Piovani
- Istituto per lo Studio delle Macromolecole (CNR), Via A. Corti 12, 20133 Milano, Italy.
| | | | - Maurizio Canetti
- Istituto per lo Studio delle Macromolecole (CNR), Via A. Corti 12, 20133 Milano, Italy.
| | - Filippo Samperi
- Istituto per i Polimeri, Compositi e Biomateriali (IPCB) U.O.S. di Catania, CNR, Via Gaifami 18, 95126 Catania, Italy.
| | - Sandro Dattilo
- Istituto per i Polimeri, Compositi e Biomateriali (IPCB) U.O.S. di Catania, CNR, Via Gaifami 18, 95126 Catania, Italy.
| | - Cinzia Scialabba
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy.
| | - Mariano Licciardi
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy.
| | - Eugenio Paccagnini
- Dipartimento di Scienze della Vita, Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Mariangela Gentile
- Dipartimento di Scienze della Vita, Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018⁻2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
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Giuliani G, Esposito S, Formisano G, Misitano P, Krizzuk D, Bianchi P. Robotic total mesorectal excision for low and ultralow rectal cancer: Short-term postoperative outcomes and long-term survival. Eur J Surg Oncol 2018. [DOI: 10.1016/j.ejso.2018.07.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Paolino M, Grisci G, Reale A, Razzano V, Giuliani G, Donati A, Mendichi R, Piovani D, Boccia AC, Grillo A, Giorgi G, Cappelli A. Structural Manipulation of the Conjugated Phenyl Moiety in 3-Phenylbenzofulvene Monomers: Effects on Spontaneous Polymerization. Polymers (Basel) 2018; 10:E752. [PMID: 30960677 PMCID: PMC6403996 DOI: 10.3390/polym10070752] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 07/03/2018] [Accepted: 07/04/2018] [Indexed: 11/19/2022] Open
Abstract
Spontaneous polymerization is an intriguing phenomenon in which pure monomers begin their polymerization without initiators or catalysts. Previously, 3-phenylbenzofulvene monomers were found to polymerize spontaneously after solvent removal. Here, eight new 3-substituted benzofulvene monomers 1a⁻h were synthesized in order to investigate the effects of differently substituted aromatic rings in position 3 of the benzofulvene scaffold on spontaneous polymerization. The newly synthesized monomers maintained the tendency toward spontaneous polymerization. However, monomer 1a, bearing an ortho-methoxy substituted phenyl, polymerized hardly, thus producing low polymerization yields, inhomogeneous structure, and low molecular weight of the obtained polymeric material. This result suggested the importance of the presence of hydrogen atoms in the 2'-position to achieve productive interactions among the monomers in the recognition step preluding the spontaneous polymerization and among the monomeric units in the polybenzofulvene backbones. Moreover, this study paves the way to modify the pendant rings in position 3 of the indene scaffold to synthesize new polybenzofulvene derivatives variously decorated.
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Affiliation(s)
- Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Giorgio Grisci
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Annalisa Reale
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Vincenzo Razzano
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Alessandro Donati
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Raniero Mendichi
- Istituto per lo Studio delle Macromolecole (CNR), Via A. Corti 12, 20133 Milano, Italy.
| | - Daniele Piovani
- Istituto per lo Studio delle Macromolecole (CNR), Via A. Corti 12, 20133 Milano, Italy.
| | - Antonella C Boccia
- Istituto per lo Studio delle Macromolecole (CNR), Via A. Corti 12, 20133 Milano, Italy.
| | - Alessandro Grillo
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Gianluca Giorgi
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022), Università degli Studi di Siena, Via Aldo Moro 2, 53100 Siena, Italy.
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Tardivo S, Moretti F, Nobile M, Agodi A, Appignanesi R, Arrigoni C, Baldovin T, Brusaferro S, Canino R, Carli A, Chiesa R, D'Alessandro D, D'Errico MM, Giuliani G, Montagna MT, Moro M, Mura II, Novati R, Orsi GB, Pasquarella C, Privitera G, Ripabelli G, Rossini A, Saia M, Sodano L, Torregrossa MV, Torri E, Zarrilli R, Auxilia F, SItI G. Definition of criteria and indicators for the prevention of Healthcare-Associated Infections (HAIs) in hospitals for the purposes of Italian institutional accreditation and performance monitoring. Ann Ig 2018; 29:529-547. [PMID: 29048451 DOI: 10.7416/ai.2017.2183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Healthcare-associated infections (HAIs) are an important issue in terms of quality of care. HAIs impact patient safety by contributing to higher rates of preventable mortality and prolonged hospitalizations. In Italy, analysis of the currently available accreditation systems shows a substantial heterogeneity of approaches for the prevention and surveillance of HAIs in hospitals. The aim of the present study is to develop and propose the use of a synthetic assessment tool that could be implemented homogenously throughout the nation. METHODS An analysis of nine international and of the 21 Italian regional accreditation systems was conducted in order to identify requirements and indicators implemented for HAI prevention and control. Two relevant reviews on this topic were further analyzed to identify additional evidence-based criteria. The project team evaluated all the requirements and indicators with consensus meeting methodology, then those applicable to the Italian context were grouped into a set of "focus areas". RESULTS The analysis of international systems and Italian regional accreditation manuals led to the identification respectively of 19 and 14 main requirements, with relevant heterogeneity in their application. Additional evidence-based criteria were included from the reviews analysis. From the consensus among the project team members all the standards were compared and 20 different thematic areas were identified, with a total of 96 requirements and indicators for preventing and monitoring HAIs. CONCLUSIONS The study reveals a great heterogeneity in the definition of accreditation criteria between the Italian regions. The introduction of a uniform, synthetic assessment instrument, based on the review of national and international standards, may serve as a self-assessment tool to evaluate the achievement of a minimum standards set for HAIs prevention and control in healthcare facilities. This may be used as an assessment tool by the Italian institutional accreditation system, also useful to reduce regional disparities.
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Affiliation(s)
- S Tardivo
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - F Moretti
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - M Nobile
- Management Department, G. Pini Orthopedic Institute, University of Milan, Milan, Italy
| | - A Agodi
- Department of Medical and Surgical Sciences and Advanced Technologies 'GF Ingrassia', University of Catania, Catania, Italy
| | - R Appignanesi
- Management Department, Asur Zt 12, San Benedetto del Tronto, Italy
| | - C Arrigoni
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
| | - T Baldovin
- Department of Molecular Medicine, Section of Public Health, University of Padova, Padova, Italy
| | - S Brusaferro
- Department of Medical and Biological Sciences, University of Udine, Udine, Italy
| | - R Canino
- Medical Direction Department, Oglio-Po Hospital, Vicomoscano - Casalmaggiore, Cremona, Italy
| | - A Carli
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - R Chiesa
- Programming Acquisition and Control Department, Asl Brescia, Brescia, Italy
| | - D D'Alessandro
- Department of Civil Building and Environmental Engineering, Sapienza University of Rome, Rome, Italy
| | - M M D'Errico
- Department of Biomedical Science and Public Health, Polytechnic University of Marche, Torrette di Ancona, Ancona, Italy
| | - G Giuliani
- Department of Medical Direction, Infections Control Committee, G. Salvini Hospital, Garbagnate Milanese, Milan, Italy
| | - M T Montagna
- Department of Biomedical Science and Human Oncology, University of Bari "Aldo Moro", Bari, Italy
| | - M Moro
- Department of Medical Direction, Infections Control Committee, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - I I Mura
- Department of Biomedical Sciences, Hygiene Unit, University of Sassari, Sassari, Italy
| | - R Novati
- Medical Direction, Aosta Regional Hospital, Aosta, Italy
| | - G B Orsi
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - C Pasquarella
- Department of Hygiene and Public Health, University of Parma, Parma, Italy
| | - G Privitera
- Department of Translational Research, N.T.M.S., University of Pisa, Pisa, Italy
| | - G Ripabelli
- Department of Medicine and Health Sciences, University of Molise, Campobasso, Italy
| | - A Rossini
- Department of Medical Direction, IRCCS Santa Lucia Scientific Institute, Rome, Italy
| | - M Saia
- Veneto Region Health Directorate, Palazzo Molin San Polo Venice, Italy
| | - L Sodano
- Department of Medical Direction, San Camillo Forlanini Hospital, Rome, Italy
| | - M V Torregrossa
- Department of Sciences for Health Promotion "G. D'Alessandro" - Hygiene Section, University of Palermo, Palermo, Italy
| | - E Torri
- Department of Health and Social Policy, Trento, Italy
| | - R Zarrilli
- Department of Public Health, University of Naples "Federico II", Naples, Italy
| | - F Auxilia
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Gisio SItI
- Italian Study Group of Hospital Hygiene - Italian Society of Hygiene, Preventive Medicine and Public Health, Italy
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Fabrizi de Biani F, Reale A, Razzano V, Paolino M, Giuliani G, Donati A, Giorgi G, Mróz W, Piovani D, Botta C, Cappelli A. Electrochemical and optoelectronic properties of terthiophene- and bithiophene-based polybenzofulvene derivatives. RSC Adv 2018; 8:10836-10847. [PMID: 35541515 PMCID: PMC9078966 DOI: 10.1039/c7ra13242e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 02/28/2018] [Indexed: 11/21/2022] Open
Abstract
The electrochemical behavior of some polybenzofulvene derivatives bearing bithiophene (BT) or terthiophene (TT) side chains was investigated by cyclic voltammetry. Very interestingly, the presence of unsubstituted terminal thiophene moieties allowed poly-6-BT-BF3k and poly-6-TT-BF3k to be cross-linked by electrochemical procedures. Conductive films were obtained by electrodeposition from solutions of these polymers onto electrode surfaces through the formation of covalent cross-linking due to dimerization (i.e. electrochemical oxidation) of the BT or TT side chains. The films showed electrochromic features and switched from yellow-orange (neutral) to green (positively charged) by switching the potential, and were stable to tenths of cycles, without degradation in the wet state in the electrolyte solution. Finally, the thin film obtained by electrodeposition of poly-6-TT-BF3k on a indium tin oxide (ITO) glass substrate showed in the neutral state a significantly red-shifted photoluminescence (PL) emission (∼40 nm red-shifted with respect to that of the corresponding film obtained by casting procedures), which was consistent with the presence of more conjugated moieties produced by the oxidative dimerization of the TT side chains. The innovative architecture and the easy preparation could lead to a broad range of applications in optoelectronics and bioelectronics for these cross-linked hybrid materials based on π-stacked polybenzofulvene backbones bearing oligothiophene side chains. The electrochemical behavior of some polybenzofulvene derivatives bearing bithiophene (BT) or terthiophene (TT) side chains was investigated by cyclic voltammetry and cross-linked materials were obtained by dimerization of the BT or TT side chains.![]()
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Affiliation(s)
- Fabrizia Fabrizi de Biani
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena Via Aldo Moro 2 53100 Siena Italy +39 0577 234320
| | - Annalisa Reale
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena Via Aldo Moro 2 53100 Siena Italy +39 0577 234320
| | - Vincenzo Razzano
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena Via Aldo Moro 2 53100 Siena Italy +39 0577 234320
| | - Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena Via Aldo Moro 2 53100 Siena Italy +39 0577 234320
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena Via Aldo Moro 2 53100 Siena Italy +39 0577 234320
| | - Alessandro Donati
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena Via Aldo Moro 2 53100 Siena Italy +39 0577 234320
| | - Gianluca Giorgi
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena Via Aldo Moro 2 53100 Siena Italy +39 0577 234320
| | - Wojciech Mróz
- Istituto per lo Studio delle Macromolecole (CNR) Via A. Corti 12 20133 Milano Italy
| | - Daniele Piovani
- Istituto per lo Studio delle Macromolecole (CNR) Via A. Corti 12 20133 Milano Italy
| | - Chiara Botta
- Istituto per lo Studio delle Macromolecole (CNR) Via A. Corti 12 20133 Milano Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena Via Aldo Moro 2 53100 Siena Italy +39 0577 234320
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Paolino M, Brindisi M, Vallone A, Butini S, Campiani G, Nannicini C, Giuliani G, Anzini M, Lamponi S, Giorgi G, Sbardella D, Ferraris DM, Marini S, Coletta M, Palucci I, Minerva M, Delogu G, Pepponi I, Goletti D, Cappelli A, Gemma S, Brogi S. Development of Potent Inhibitors of the Mycobacterium tuberculosis Virulence Factor Zmp1 and Evaluation of Their Effect on Mycobacterial Survival inside Macrophages. ChemMedChem 2018; 13:422-430. [PMID: 29334428 DOI: 10.1002/cmdc.201700759] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Indexed: 11/09/2022]
Abstract
The enzyme Zmp1 is a zinc-containing peptidase that plays a critical role in the pathogenicity of Mycobacterium tuberculosis. Herein we describe the identification of a small set of Zmp1 inhibitors based on a novel 8-hydroxyquinoline-2-hydroxamate scaffold. Among the synthesized compounds, N-(benzyloxy)-8-hydroxyquinoline-2-carboxamide (1 c) was found to be the most potent Zmp1 inhibitor known to date, and its binding mode was analyzed both by kinetics studies and molecular modeling, identifying critical interactions of 1 c with the zinc ion and residues in the active site. The effect of 1 c on intracellular Mycobacterium survival was assayed in J774 murine macrophages infected with M. tuberculosis H37Rv or M. bovis BCG and human monocyte-derived macrophages infected with M. tuberculosis H37Rv. Cytotoxicity and genotoxicity were also assessed. Overall, inhibitor 1 c displays interesting in vitro antitubercular properties worthy of further investigation.
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Affiliation(s)
- Marco Paolino
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Margherita Brindisi
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Alessandra Vallone
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Stefania Butini
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Giuseppe Campiani
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Chiara Nannicini
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Germano Giuliani
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Maurizio Anzini
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Stefania Lamponi
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Gianluca Giorgi
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Diego Sbardella
- Department of Clinical Sciences and Translational Medicine, University of Roma Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Davide M Ferraris
- Department of Chemical, Food, Pharmaceutical and Pharmacological Sciences, University of Piemonte Orientale "Amedeo Avogadro", Largo Donegani 2, 28100, Novara, Italy
| | - Stefano Marini
- Department of Clinical Sciences and Translational Medicine, University of Roma Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Massimo Coletta
- Department of Clinical Sciences and Translational Medicine, University of Roma Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Ivana Palucci
- Institute of Microbiology, Università Cattolica del Sacro Cuore - Fondazione Policlinico Universitario Gemelli, Largo A. Gemelli 8, 00168, Rome, Italy
| | - Mariachiara Minerva
- Institute of Microbiology, Università Cattolica del Sacro Cuore - Fondazione Policlinico Universitario Gemelli, Largo A. Gemelli 8, 00168, Rome, Italy
| | - Giovanni Delogu
- Institute of Microbiology, Università Cattolica del Sacro Cuore - Fondazione Policlinico Universitario Gemelli, Largo A. Gemelli 8, 00168, Rome, Italy
| | - Ilaria Pepponi
- Translational Research Unit, National Institute for Infectious Diseases (INMI) "L. Spallanzani", Via Portuense, 292, 00149, Rome, Italy
| | - Delia Goletti
- Translational Research Unit, National Institute for Infectious Diseases (INMI) "L. Spallanzani", Via Portuense, 292, 00149, Rome, Italy
| | - Andrea Cappelli
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Sandra Gemma
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
| | - Simone Brogi
- European Research Centre for Drug Discovery and Development - NatSynDrugs - and Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, via Aldo Moro 1, 53100, Siena, Italy
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Cappelli A, Paolino M, Reale A, Razzano V, Grisci G, Giuliani G, Donati A, Bonechi C, Lamponi S, Mendichi R, Battiato S, Samperi F, Makovec F, Licciardi M, Depau L, Botta C. Hyaluronan-based graft copolymers bearing aggregation-induced emission fluorogens. RSC Adv 2018; 8:5864-5881. [PMID: 35539623 PMCID: PMC9078255 DOI: 10.1039/c7ra12543g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Accepted: 01/26/2018] [Indexed: 11/24/2022] Open
Abstract
In order to develop a technology platform based on two natural compounds from biorenewable resources, a short series of hyaluronan (HA) copolymers grafted with propargylated ferulic acid (HA–FA–Pg) were designed and synthesized to show different grafting degree values and their optical properties were characterized in comparison with reference compounds containing the same ferulate fluorophore. Interestingly, these studies revealed that the ferulate fluorophore was quite sensitive to the restriction of intramolecular motion and its introduction into the rigid HA backbone, as in HA–FA–Pg graft copolymers, led to higher photoluminescence quantum yield values than those obtained with the isolated fluorophore. Thus, the propargyl groups of HA–FA–Pg derivatives were exploited in the coupling with oleic acid through a biocompatible nona(ethylene glycol) spacer as an example of the possible applications of this technology platform. The resulting HA–FA–NEG–OA materials showed self-assembling capabilities in aqueous environment. Furthermore, HA–FA–NEG–OA derivatives have been shown to interact with phospholipid bilayers both in liposomes and living cells, retaining their fluorogenic properties and showing a high degree of cytocompatibility and for this reason they were proposed as potential biocompatible self-assembled aggregates forming new materials for biomedical applications. A new technology platform has been developed with hyaluronan playing the role of the macromolecular carrier and ferulate the central role of natural small molecule fluorogenic clickable linker.![]()
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Castriconi F, Paolino M, Grisci G, Francini CM, Reale A, Giuliani G, Anzini M, Giorgi G, Mennuni L, Sabatini C, Lanza M, Caselli G, Cappelli A. Development of subnanomolar-affinity serotonin 5-HT 4 receptor ligands based on quinoline structures. Med Chem Commun 2018; 9:1466-1471. [DOI: 10.1039/c8md00233a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 06/28/2018] [Indexed: 11/21/2022]
Abstract
A structure–affinity relationship study led to the discovery of 7h–j as novel 5-HT4 receptor ligands showing Ki values in the subnanomolar range.
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Affiliation(s)
- Federica Castriconi
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022)
- Università degli Studi di Siena
- 53100 Siena
- Italy
| | - Marco Paolino
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022)
- Università degli Studi di Siena
- 53100 Siena
- Italy
| | - Giorgio Grisci
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022)
- Università degli Studi di Siena
- 53100 Siena
- Italy
| | - Cinzia Maria Francini
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022)
- Università degli Studi di Siena
- 53100 Siena
- Italy
| | - Annalisa Reale
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022)
- Università degli Studi di Siena
- 53100 Siena
- Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022)
- Università degli Studi di Siena
- 53100 Siena
- Italy
| | - Maurizio Anzini
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022)
- Università degli Studi di Siena
- 53100 Siena
- Italy
| | - Gianluca Giorgi
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022)
- Università degli Studi di Siena
- 53100 Siena
- Italy
| | | | | | | | | | - Andrea Cappelli
- Dipartimento di Biotecnologie
- Chimica e Farmacia (Dipartimento di Eccellenza 2018-2022)
- Università degli Studi di Siena
- 53100 Siena
- Italy
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Razzano V, Paolino M, Reale A, Giuliani G, Donati A, Giorgi G, Artusi R, Caselli G, Visintin M, Makovec F, Battiato S, Samperi F, Villafiorita-Monteleone F, Botta C, Cappelli A. Poly-histidine grafting leading to fishbone-like architectures. RSC Adv 2018; 8:8638-8656. [PMID: 35539867 PMCID: PMC9078612 DOI: 10.1039/c8ra00315g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 02/17/2018] [Indexed: 11/21/2022] Open
Abstract
A small series of Morita–Baylis–Hillman derivatives was synthesized and made to react with N-acetylhexahistidine to give polymeric materials characterized by the presence of biadduct residues.
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38
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Razzano V, Paolino M, Reale A, Giuliani G, Artusi R, Caselli G, Visintin M, Makovec F, Donati A, Villafiorita-Monteleone F, Botta C, Cappelli A. Development of Imidazole-Reactive Molecules Leading to a New Aggregation-Induced Emission Fluorophore Based on the Cinnamic Scaffold. ACS Omega 2017; 2:5453-5459. [PMID: 31457813 PMCID: PMC6644839 DOI: 10.1021/acsomega.7b00789] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 08/21/2017] [Indexed: 06/10/2023]
Abstract
In order to obtain new fluorophores potentially useful in imidazole labeling and subsequent conjugation, a small series of Morita-Baylis-Hillman acetates (3a-c) was designed, synthesized, and reacted with imidazole. The optical properties of the corresponding imidazole derivatives 4a-c were analyzed both in solution and in the solid state. Although the solutions display a very weak emission, the powders show a blue emission, particularly enhanced in the case of compound 4c possessing two methoxy groups in the cinnamic scaffold. The photophysical study confirmed the hypothesis that the molecular rigidity of the solid state enhances the emission properties of these compounds by triggering the restriction of intramolecular motions, paving the way for their applications in fluorogenic labeling.
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Affiliation(s)
- Vincenzo Razzano
- Dipartimento
di Biotecnologie, Chimica e Farmacia and European Research Centre
for Drug Discovery and Development, Università
di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Marco Paolino
- Dipartimento
di Biotecnologie, Chimica e Farmacia and European Research Centre
for Drug Discovery and Development, Università
di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Annalisa Reale
- Dipartimento
di Biotecnologie, Chimica e Farmacia and European Research Centre
for Drug Discovery and Development, Università
di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Germano Giuliani
- Dipartimento
di Biotecnologie, Chimica e Farmacia and European Research Centre
for Drug Discovery and Development, Università
di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Roberto Artusi
- Rottapharm
Biotech S.p.A., Via Valosa
di Sopra 9, 20900 Monza, Italy
| | | | - Michela Visintin
- Rottapharm
Biotech S.p.A., Via Valosa
di Sopra 9, 20900 Monza, Italy
| | - Francesco Makovec
- Rottapharm
Biotech S.p.A., Via Valosa
di Sopra 9, 20900 Monza, Italy
| | - Alessandro Donati
- Dipartimento
di Biotecnologie, Chimica e Farmacia and European Research Centre
for Drug Discovery and Development, Università
di Siena, Via A. Moro 2, 53100 Siena, Italy
| | | | - Chiara Botta
- Istituto
per lo Studio delle Macromolecole (CNR), Via A. Corti 12, 20133 Milano, Italy
| | - Andrea Cappelli
- Dipartimento
di Biotecnologie, Chimica e Farmacia and European Research Centre
for Drug Discovery and Development, Università
di Siena, Via A. Moro 2, 53100 Siena, Italy
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van der Wilt AA, Giuliani G, Kubis C, van Wunnik BPW, Ferreira I, Breukink SO, Lehur PA, La Torre F, Baeten CGMI. Randomized clinical trial of percutaneous tibial nerve stimulation versus sham electrical stimulation in patients with faecal incontinence. Br J Surg 2017; 104:1167-1176. [PMID: 28703936 DOI: 10.1002/bjs.10590] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 01/18/2017] [Accepted: 04/06/2017] [Indexed: 12/17/2022]
Abstract
BACKGROUND The aim was to assess the effects of percutaneous tibial nerve stimulation (PTNS) in the treatment of faecal incontinence (FI) by means of an RCT. METHODS Patients aged over 18 years with FI were included in a multicentre, single-blinded RCT. The primary endpoint was reduction in the median or mean number of FI episodes per week. Secondary endpoints were changes in measures of FI severity, and disease-specific and generic quality of life. Outcomes were compared between PTNS and sham stimulation after 9 weeks of treatment. RESULTS A higher proportion of patients in the PTNS (13 of 29) than in the sham (6 of 30) group showed a reduction of at least 50 per cent in the median number of FI episodes/week (incidence rate ratio (IRR) 2·40, 95 per cent c.i. 1·10 to 5·24; P = 0·028), but not in the mean number of episodes/week (10 of 29 versus 8 of 30; IRR 1·42, 0·69 to 2·92; P = 0·347). The absolute median number of FI episodes per week decreased in the PTNS but not in the sham group (IRR 0·66, 0·44 to 0·98; P = 0·041), as did the mean number (IRR 0·65 (0·45 to 0·97); P = 0·034). Scores on the Cleveland Clinic Florida faecal incontinence scale decreased significantly in both groups, but more steeply in the PTNS group (mean difference -1·3, 95 per cent c.i. -2·6 to 0·0; P = 0·049). The aggregated mental component score of Short Form 36 improved in the PTNS but not in the sham group (mean difference 5·1, 0·5 to 9·6; P = 0·028). CONCLUSION PTNS may offer a small advantage in the clinical management of FI that is insufficiently responsive to conservative treatment. The key challenge will be to identify patients who may benefit most from this minimally invasive surgical procedure. Registration number: NCT00974909 (http://www.clinicaltrials.gov).
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Affiliation(s)
- A A van der Wilt
- Department of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - G Giuliani
- Department of Surgery, Università degli Studi di Roma 'Sapienza', Rome, Italy
| | - C Kubis
- Department of Surgery, Institut des Maladies de l'Appareil Digestiv, University Hospital of Nantes, Nantes, France
| | - B P W van Wunnik
- Department of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - I Ferreira
- Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht University Medical Centre, Maastricht, The Netherlands.,Division of Epidemiology and Biostatistics, School of Public Health, Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia
| | - S O Breukink
- Department of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - P A Lehur
- Department of Surgery, Institut des Maladies de l'Appareil Digestiv, University Hospital of Nantes, Nantes, France
| | - F La Torre
- Department of Surgery, Università degli Studi di Roma 'Sapienza', Rome, Italy
| | - C G M I Baeten
- Department of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands
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Castriconi F, Paolino M, Donati A, Giuliani G, Anzini M, Mennuni L, Sabatini C, Lanza M, Caselli G, Makovec F, Sbraccia M, Molinari P, Costa T, Cappelli A. Multivalent ligands for the serotonin 5-HT 4 receptor. Medchemcomm 2017; 8:647-651. [PMID: 30108781 DOI: 10.1039/c6md00458j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Accepted: 02/07/2017] [Indexed: 11/21/2022]
Abstract
5-HT4 receptors are known to form constitutive dimers in membranes. To explore whether multivalency can enhance ligand interactions and/or efficacy in 5-HT4 receptors, the structure of the partial agonist ML10302 was modified with oligo(ethylene glycol) chains, thus generating, by a gradual approach, short and long tethered bivalent or tetravalent ligands and the corresponding spanner-linked monovalent controls. Both bivalent and tetravalent ligands displayed a 10-20-fold increase in binding affinity compared to appropriate controls, but no multivalent ligand showed greater binding energy than ML10302 itself. Furthermore, the direct assessment of receptor-Gs interaction and studies of cAMP signalling indicated that multivalency does not enhance the efficacy of ML10302.
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Affiliation(s)
- Federica Castriconi
- Dipartimento di Biotecnologie , Chimica e Farmacia and European Research Centre for Drug Discovery and Development , Università degli Studi di Siena , Via A. Moro 2 , 53100 Siena , Italy . ; ; Tel: +39 0577 234320
| | - Marco Paolino
- Dipartimento di Biotecnologie , Chimica e Farmacia and European Research Centre for Drug Discovery and Development , Università degli Studi di Siena , Via A. Moro 2 , 53100 Siena , Italy . ; ; Tel: +39 0577 234320
| | - Alessandro Donati
- Dipartimento di Biotecnologie , Chimica e Farmacia and European Research Centre for Drug Discovery and Development , Università degli Studi di Siena , Via A. Moro 2 , 53100 Siena , Italy . ; ; Tel: +39 0577 234320
| | - Germano Giuliani
- Dipartimento di Biotecnologie , Chimica e Farmacia and European Research Centre for Drug Discovery and Development , Università degli Studi di Siena , Via A. Moro 2 , 53100 Siena , Italy . ; ; Tel: +39 0577 234320
| | - Maurizio Anzini
- Dipartimento di Biotecnologie , Chimica e Farmacia and European Research Centre for Drug Discovery and Development , Università degli Studi di Siena , Via A. Moro 2 , 53100 Siena , Italy . ; ; Tel: +39 0577 234320
| | - Laura Mennuni
- Rottapharm Biotech S.r.l. , Via Valosa di Sopra 3 , 20900 Monza , Italy
| | - Chiara Sabatini
- Rottapharm Biotech S.r.l. , Via Valosa di Sopra 3 , 20900 Monza , Italy
| | - Marco Lanza
- Rottapharm Biotech S.r.l. , Via Valosa di Sopra 3 , 20900 Monza , Italy
| | | | - Francesco Makovec
- Rottapharm Biotech S.r.l. , Via Valosa di Sopra 3 , 20900 Monza , Italy
| | - Maria Sbraccia
- Dipartimento di Farmacologia , Istituto Superiore di Sanità , Viale Regina Elena 299 , 00161 Roma , Italy
| | - Paola Molinari
- Dipartimento di Farmacologia , Istituto Superiore di Sanità , Viale Regina Elena 299 , 00161 Roma , Italy
| | - Tommaso Costa
- Dipartimento di Farmacologia , Istituto Superiore di Sanità , Viale Regina Elena 299 , 00161 Roma , Italy
| | - Andrea Cappelli
- Dipartimento di Biotecnologie , Chimica e Farmacia and European Research Centre for Drug Discovery and Development , Università degli Studi di Siena , Via A. Moro 2 , 53100 Siena , Italy . ; ; Tel: +39 0577 234320
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Giuliani G, Guerra F, Coletta D, La Torre M, Franco G, Leonardo C, Infantino A, La Torre F. Repair of transperineal recto-urethral fistula using a fibrin sealant haemostatic patch. Colorectal Dis 2016; 18:O432-O435. [PMID: 27629783 DOI: 10.1111/codi.13518] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 07/18/2016] [Indexed: 02/08/2023]
Abstract
AIM Recto-urethral fistula (RUF) is a rare complication of radical prostatectomy. We report a transperineal approach using a fibrin sealant haemostatic patch. METHOD Five consecutive patients who developed RUF following radical prostatectomy had a direct transperineal repair with a haemostatic patch (TachoSil®) and were assessed at a median follow-up of 35.5 (21-45) months. RESULTS There were no early postoperative complications. The average length of hospital stay was 5 (4-7) days. One patient developed recurrence 4 weeks after removal of the urethral catheter. Following healing in four patients the stoma was reversed at a median interval of 3 months, and 9.5 (7-10) months following the prostatic surgery. In the four patients with successful closure there was no case of recurrence or anorectal or urinary dysfunction at a median follow-up of 35.5 (21-45) months. CONCLUSION Direct transperineal repair of RUF reinforced with a fibrin haemostatic patch of TachoSil is safe and effective.
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Affiliation(s)
- G Giuliani
- Surgical Department, Sapienza University, Policlinico 'Umberto I', Rome, Italy.
| | - F Guerra
- Surgical Department, Sapienza University, Policlinico 'Umberto I', Rome, Italy
| | - D Coletta
- Surgical Department, Sapienza University, Policlinico 'Umberto I', Rome, Italy
| | - M La Torre
- Surgical Department, Sapienza University, Policlinico 'Umberto I', Rome, Italy
| | - G Franco
- Department of Obstetrics, Gynecology and Urology, 'Sapienza' University, Rome, Italy
| | - C Leonardo
- Department of Obstetrics, Gynecology and Urology, 'Sapienza' University, Rome, Italy
| | - A Infantino
- Department of Surgery, Santa Maria dei Battuti Hospital, San Vito al Tagliamento, PN, Italy
| | - F La Torre
- Surgical Department, Sapienza University, Policlinico 'Umberto I', Rome, Italy
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Cappelli A, Nannicini C, Chelini A, Paolino M, Giuliani G, Anzini M, Giordani A, Sabatini C, Caselli G, Mennuni L, Makovec F, Giorgi G, Vomero S, Menziani MC. Phenylindenone isomers as divergent modulators of p38α MAP kinase. Bioorg Med Chem Lett 2016; 26:5160-5163. [DOI: 10.1016/j.bmcl.2016.10.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 09/29/2016] [Accepted: 10/02/2016] [Indexed: 11/29/2022]
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Pece S, Fumarola D, Giuliani G, Jirillo E, Moran A. Activity in the Limulus amebocyte lysate assay and induction of tumor necrosis factor-α by diverse Helicobacter pylori lipopolysaccharide preparations. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/096805199600200609] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Different chemically characterized H. pylori LPS preparations, such as smooth (S)- and rough (R)-form LPS, a completely dephosphorylated R-LPS, and three lipid A chemotypes, from the S- and R- form LPS (S- and R-lipid A) as well as a dephosphorylated derivative of S-lipid A, respectively, were evaluated for expression of potency in a quantitative chromogenic Limulus amebocyte (CLAL) lysate assay and for release of tumor necrosis factor-α (TNF-α) from activated human mononuclear cells. As far as the CLAL activity is concerned, no statistically significant differences could be observed between S- and R-LPS. Dephosphorylation of both R-LPS and S-lipid A caused a significant decrease of CLAL activity. In general terms, all the lipid A chemotypes were significantly less effective than the native LPS molecule and, in particular, R-lipid A expressed the lowest Limulus activity of all preparations. With regard to TNF-α release, R-LPS was the most potent inducer of this cytokine, even though its dephosphorylation reduced activity. In conclusion, the results show that phosphate groups influence both CLAL activity and, to a lesser extent, TNF-α release, and that the core oligosaccharide synergically cooperates with lipid A for the production of this cytokine, being, however, not essential for the expression of CLAL activity. Furthermore, preliminary structural data show that H. pylori D-glucosamine disaccharide backbone, besides being underphosphorylated at position 4', is also characterized by a reduced number of acyloxyacyl residues in comparison with enterobacterial lipid A. These findings, besides providing useful information on the structure-bioactivity relationships within H. pylori LPS, further support the evidence that this non-invasive, slow bacterium possesses the ability to modulate the local cellular immune response via LPS and related inflammatory cytokines.
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Affiliation(s)
- S. Pece
- Institute of Medical Microbiology, University of Bari, Bari, Italy, Department of Microbiology, University College, Galway, Ireland
| | - D. Fumarola
- Institute of Medical Microbiology, University of Bari, Bari, Italy, Department of Microbiology, University College, Galway, Ireland
| | - G. Giuliani
- Institute of Medical Microbiology, University of Bari, Bari, Italy, Department of Microbiology, University College, Galway, Ireland
| | - E. Jirillo
- Institute of Medical Microbiology, University of Bari, Bari, Italy, Department of Microbiology, University College, Galway, Ireland
| | - A.P. Moran
- Institute of Medical Microbiology, University of Bari, Bari, Italy, Department of Microbiology, University College, Galway, Ireland
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Pece S, Messa C, Caccavo D, Giuliani G, Greco B, Fumarola D, Berloco P, Di Leo A, Jirillo E, Moran A. Serum antibody response against Helicobacter pylori NCTC 11637 smooth- and rough-lipopolysaccharide phenotypes in patients with H. pylori-related gastropathy. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/096805199700400601] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The antigenicity of the Helicobacter pylori lipopolysaccharide (LPS) molecule during the course of natural H. pylori infection in humans was investigated. The IgG and IgA responses against smooth (S)- and rough (R)-form LPS were evaluated in H. pylori positive patients with chronic gastritis (CG, n = 30) and duodenal ulcer disease (DU, n = 16), and in 15 H. pylori-negative dyspeptic subjects. The results demonstrated that anti H. pylori LPS IgG and IgA antibody levels were significantly enhanced in both groups of H. pylori-positive patients compared with H. pylori-negative subjects, thus confirming that H. pylori LPS is part of the immunogenic antigen profile of the bacterium. In addition, a marked response against R-LPS, which significantly correlated with that observed against S-LPS, was found for both IgG and IgA, thus indicating that core oligosaccharide plays a powerful immunogenic role. Since the O-side chain of LPS from H. pylori NCTC 11637 contains epitopes which mimic Lewis x (Lex) antigens, the presence of antibodies to monomeric, trimeric, and polymeric Lex was also investigated. Antibodies against polymeric Lex were detected in two patients suffering from chronic atrophic gastritis and active chronic gastritis, respectively.
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Affiliation(s)
- S. Pece
- Department of Internal Medicine, Immunology and Infectious Diseases, University of Bari, Bari, Italy
| | - C. Messa
- IRCCS 'Saverio de Bellis', Castellana Grotte, Italy
| | - D. Caccavo
- Department of Internal Medicine, Immunology and Infectious Diseases, University of Bari, Bari, Italy
| | - G. Giuliani
- Department of Internal Medicine, Immunology and Infectious Diseases, University of Bari, Bari, Italy
| | - B. Greco
- IRCCS 'Saverio de Bellis', Castellana Grotte, Italy
| | - D. Fumarola
- Department of Internal Medicine, Immunology and Infectious Diseases, University of Bari, Bari, Italy
| | - P. Berloco
- IRCCS 'Saverio de Bellis', Castellana Grotte, Italy
| | - A. Di Leo
- IRCCS 'Saverio de Bellis', Castellana Grotte, Italy
| | - E. Jirillo
- Department of Internal Medicine, Immunology and Infectious Diseases, University of Bari, Bari, Italy,
| | - A.P. Moran
- Department of Microbiology, National University of Ireland Galway, Galway, Ireland
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45
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Pinto D, Giuliani G, Marzani B. 209 Galeopsis segetum Necker extracts for the prevention and treatment of hair loss. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.06.228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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46
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Barbui M, Hagel K, Gauthier J, Wuenschel S, de Souza RT, Hudan S, Fang D, Goldberg V, Zheng H, Giuliani G, Rapisarda G, Kim EJ, Liu X, Natowitz J. Study of 12C excited states decaying into three αparticles using the thick target inverse kinematic technique. EPJ Web of Conferences 2016. [DOI: 10.1051/epjconf/201611707013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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47
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Wieloch A, Adamczyk M, Barbui M, Blando N, Giuliani G, Hagel K, Kim EJ, Kowalski S, Majka Z, Natowitz J, Pelczar K, Płaneta R, Schmidt K, Sosin Z, Wuenschel S, Zelga K, Zheng H. A novel approach to the island of stability of super-heavy elements search. EPJ Web of Conferences 2016. [DOI: 10.1051/epjconf/201611701003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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48
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Cappelli A, Anzini M, Castriconi F, Grisci G, Paolino M, Braile C, Valenti S, Giuliani G, Vomero S, Di Capua A, Betti L, Giannaccini G, Lucacchini A, Ghelardini C, Di Cesare Mannelli L, Frosini M, Ricci L, Giorgi G, Mascia MP, Biggio G. Design, Synthesis, and Biological Evaluation of Imidazo[1,5-a]quinoline as Highly Potent Ligands of Central Benzodiazepine Receptors. J Med Chem 2016; 59:3353-72. [PMID: 26982523 DOI: 10.1021/acs.jmedchem.6b00034] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of imidazo[1,5-a]quinoline derivatives was designed and synthesized as central benzodiazepine receptor (CBR) ligands. Most of the compounds showed high CBR affinity with Ki values within the submicromolar and subnanomolar ranges with interesting modulations in their structure-affinity relationships. In particular, fluoroderivative 7w (Ki = 0.44 nM) resulted in the most potent ligand among the imidazo[1,5-a]quinoline derivatives described so far. Overall, these observations confirmed the assumption concerning the presence of a large though apparently saturable lipophilic pocket in the CBR binding site region interacting with positions 4 and 5 of the imidazo[1,5-a]quinoline nucleus. The in vivo biological characterization revealed that compounds 7a,c,d,l,m,q,r,w show anxiolytic and antiamnestic activities without the unpleasant myorelaxant side effects of the classical 1,4-BDZ. Furthermore, the effect of 7l,q,r, and 8i in lowering lactate dehydrogenase (LDH) release induced by ischemia-like conditions in rat brain slices suggested neuroprotective properties for these imidazo[1,5-a]quinoline derivatives.
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Affiliation(s)
- Andrea Cappelli
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Maurizio Anzini
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Federica Castriconi
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Giorgio Grisci
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Marco Paolino
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Carlo Braile
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Salvatore Valenti
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Germano Giuliani
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Salvatore Vomero
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Angela Di Capua
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Laura Betti
- Dipartimento di Farmacia, Università di Pisa , Via Bonanno 6, 56126 Pisa, Italy
| | - Gino Giannaccini
- Dipartimento di Farmacia, Università di Pisa , Via Bonanno 6, 56126 Pisa, Italy
| | - Antonio Lucacchini
- Dipartimento di Farmacia, Università di Pisa , Via Bonanno 6, 56126 Pisa, Italy
| | - Carla Ghelardini
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino (NEUROFARBA), Sezione Farmacologia e Tossicologia, Università di Firenze , Viale G. Pieraccini 6, 50139 Firenze, Italy
| | - Lorenzo Di Cesare Mannelli
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino (NEUROFARBA), Sezione Farmacologia e Tossicologia, Università di Firenze , Viale G. Pieraccini 6, 50139 Firenze, Italy
| | - Maria Frosini
- Dipartimento di Scienze della Vita, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Lorenzo Ricci
- Dipartimento di Scienze della Vita, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Gianluca Giorgi
- Dipartimento di Biotecnologie, Chimica e Farmacia and European Research Centre for Drug Discovery and Development, Università degli Studi di Siena , Via A. Moro 2, 53100 Siena, Italy
| | - Maria Paola Mascia
- Istituto di Neuroscienze, Consiglio Nazionale delle Ricerche, Cittadella Universitaria , S.S. 554-Km 4.500, 09042 Monserrato Cagliari, Italy
| | - Giovanni Biggio
- Istituto di Neuroscienze, Consiglio Nazionale delle Ricerche, Cittadella Universitaria , S.S. 554-Km 4.500, 09042 Monserrato Cagliari, Italy
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49
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Schmidt K, Natowitz J, Barbui M, Hagel K, Bonasera A, Giuliani G, Zheng H, Rodrigues M, Wada R, Huang M, Botosso C, Kowalski S. Properties of excited A = 40 nuclear systems with varying matter composition. EPJ Web of Conferences 2016. [DOI: 10.1051/epjconf/201611707021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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50
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Cappelli A, Paolino M, Grisci G, Razzano V, Giuliani G, Donati A, Bonechi C, Mendichi R, Battiato S, Samperi F, Scialabba C, Giammona G, Makovec F, Licciardi M. Hyaluronan-coated polybenzofulvene brushes as biomimetic materials. Polym Chem 2016. [DOI: 10.1039/c6py01644h] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A polybenzofulvene brush was enveloped by means of nona(ethylene glycol) arms into hyaluronan shells.
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