1
|
Ceccarelli G, Goracci L, Carotti A, Paccoia F, Passeri D, Cipolloni M, Di Bona S, Cruciani G, Pellicciari R, Gioiello A. Discovery and Structure-Activity Relationships of Novel ssDAF-12 Receptor Modulators. J Med Chem 2024; 67:4150-4169. [PMID: 38417155 DOI: 10.1021/acs.jmedchem.3c02421] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2024]
Abstract
The nuclear receptor ssDAF-12 has been recognized as the key molecular player regulating the life cycle of the nematode parasite Strongyloides stercoralis. ssDAF-12 ligands permit the receptor to function as an on/off switch modulating infection, making it vulnerable to therapeutic intervention. In this study, we report the design and synthesis of a set of novel dafachronic acid derivatives, which were used to outline the first structure-activity relationship targeting the ssDAF-12 receptor and to unveil hidden properties shared by the molecular shape of steroidal ligands that are relevant to the receptor binding and modulation. Moreover, biological results led to the discovery of sulfonamide 3 as a submicromolar ssDAF-12 agonist endowed with a high receptor selectivity, no toxicity, and improved properties, as well as to the identification of unprecedented ssDAF-12 antagonists that can be exploited in the search for novel chemical tools and alternative therapeutic approaches for treating parasitism such as Strongyloidiasis.
Collapse
Affiliation(s)
- Giada Ceccarelli
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy
| | - Laura Goracci
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via dell' Elce di Sotto 8, 06123 Perugia, Italy
| | - Andrea Carotti
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy
| | - Federico Paccoia
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy
| | | | | | - Stefano Di Bona
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via dell' Elce di Sotto 8, 06123 Perugia, Italy
| | - Gabriele Cruciani
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via dell' Elce di Sotto 8, 06123 Perugia, Italy
| | | | - Antimo Gioiello
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06123 Perugia, Italy
| |
Collapse
|
2
|
Rosatelli E, Carotti A, Cerra B, De Franco F, Passeri D, Pellicciari R, Gioiello A. Chemical exploration of TGR5 functional hot-spots: Synthesis and structure-activity relationships of C7- and C23-Substituted cholic acid derivatives. Eur J Med Chem 2023; 261:115851. [PMID: 37813065 DOI: 10.1016/j.ejmech.2023.115851] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 09/27/2023] [Accepted: 09/29/2023] [Indexed: 10/11/2023]
Abstract
The activation of TGR5 bestows on bile acids the ability to modulate nongenomic signaling pathways, which are responsible of physiological actions including immunosuppressive and anti-inflammatory properties as well as the regulation of glucose metabolism and energy homeostasis. TGR5 agonists have therefore emerged in drug discovery and preclinical appraisals as promising compounds for the treatment of liver diseases and metabolic syndrome. In this study, we have been devising site-selected chemical modifications of the bile acid scaffold to provide novel chemical tools able to modulate the functions of TGR5 in different tissues. Biological results of the tested collection of semisynthetic cholic acid derivatives were used to extend the structure-activity relationships of TGR5 agonists and to clarify the molecular basis and functional role of TGR5 hot-spots in the receptor activation and selectivity. Some unexpected properties deriving from the molecular structure of bile acids have been unveiled as relevant to the receptor activation and may hence be used to design novel, selective and potent TGR5 agonists.
Collapse
Affiliation(s)
| | - Andrea Carotti
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06122, Perugia, Italy
| | - Bruno Cerra
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06122, Perugia, Italy
| | | | | | | | - Antimo Gioiello
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06122, Perugia, Italy.
| |
Collapse
|
3
|
Di Bello E, Sian V, Bontempi G, Zwergel C, Fioravanti R, Noce B, Castiello C, Tomassi S, Corinti D, Passeri D, Pellicciari R, Mercurio C, Varasi M, Altucci L, Tripodi M, Strippoli R, Nebbioso A, Valente S, Mai A. Novel pyridine-containing histone deacetylase inhibitors strongly arrest proliferation, induce apoptosis and modulate miRNAs in cancer cells. Eur J Med Chem 2023; 247:115022. [PMID: 36549114 DOI: 10.1016/j.ejmech.2022.115022] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [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: 09/19/2022] [Revised: 12/07/2022] [Accepted: 12/12/2022] [Indexed: 12/16/2022]
Abstract
After over 30 years of research, the development of HDAC inhibitors led to five FDA/Chinese FDA-approved drugs and many others under clinical or preclinical investigation to treat cancer and non-cancer diseases. Herein, based on our recent development of pyridine-based isomers as HDAC inhibitors, we report a series of novel 5-acylamino-2-pyridylacrylic- and -picolinic hydroxamates and 2'-aminoanilides 5-8 as anticancer agents. The hydroxamate 5d proved to be quite HDAC3/6-selective exhibiting IC50 values of 80 and 11 nM, respectively, whereas the congener 5e behaved as inhibitor of HDAC1-3, -6, -8, and -10 (class I/IIb-selective inhibitor) at nanomolar level. Compound 5e provided a huge antiproliferative activity (nanomolar IC50 values) against both haematological and solid cancer cell lines. In leukaemia U937 cells, the hydroxamate 5d and the 2'-aminoanilide 8f induced remarkable cell death after 48 h, with 76% and 100% pre-G1 phase arrest, respectively, showing a stronger effect with respect to SAHA and MS-275 used as reference compounds. In U937 cells, the highest dose- and time-dependent cytodifferentiation was obtained by the 2'-aminoanilide 8d (up to 35% of CD11c positive/propidium iodide negative cells at 5 μM for 48 h). The same 8d and the hydroxamates 5d and 5e were the most effective in inducing p21 protein expression in the same cell line. Mechanistically, 5d, 5e, 8d and 8f increased mRNA expression of p21, BAX and BAK, downregulated cyclin D1 and BCL-2 and modulated pro- and anti-apoptotic microRNAs towards apoptosis induction. Finally, 5e strongly arrested proliferation in nine different haematological cancer cell lines, with dual-digit nanomolar potency towards MV4-11, Kasumi-1, and NB4, being more potent than mocetinostat, used as reference drug.
Collapse
Affiliation(s)
- Elisabetta Di Bello
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Veronica Sian
- Department of Precision Medicine, "Luigi Vanvitelli" University of Campania, Via L. De Crecchio 7, 80138, Naples, Italy
| | - Giulio Bontempi
- Department of Molecular Medicine, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy; Gene Expression Laboratory, National Institute for Infectious Diseases, Lazzaro Spallanzani IRCCS, Via Portuense, 292, 00149, Rome, Italy
| | - Clemens Zwergel
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Rossella Fioravanti
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Beatrice Noce
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Carola Castiello
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Stefano Tomassi
- Department of Pharmacy, University of Naples "Federico II", Via D. Montesano 49, 80131, Naples, Italy
| | - Davide Corinti
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Daniela Passeri
- TES Pharma S.r.l., Via P. Togliatti 20, Corciano, 06073, Perugia, Italy
| | | | - Ciro Mercurio
- IFOM ETS, The AIRC Institute of Molecular Oncology, Via Adamello 16, 20139, Milan, Italy
| | - Mario Varasi
- IFOM ETS, The AIRC Institute of Molecular Oncology, Via Adamello 16, 20139, Milan, Italy
| | - Lucia Altucci
- Department of Precision Medicine, "Luigi Vanvitelli" University of Campania, Via L. De Crecchio 7, 80138, Naples, Italy
| | - Marco Tripodi
- Department of Molecular Medicine, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy; Gene Expression Laboratory, National Institute for Infectious Diseases, Lazzaro Spallanzani IRCCS, Via Portuense, 292, 00149, Rome, Italy
| | - Raffaele Strippoli
- Department of Molecular Medicine, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy; Gene Expression Laboratory, National Institute for Infectious Diseases, Lazzaro Spallanzani IRCCS, Via Portuense, 292, 00149, Rome, Italy.
| | - Angela Nebbioso
- Department of Precision Medicine, "Luigi Vanvitelli" University of Campania, Via L. De Crecchio 7, 80138, Naples, Italy.
| | - Sergio Valente
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy.
| | - Antonello Mai
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy; Pasteur Institute, Cenci-Bolognetti Foundation, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| |
Collapse
|
4
|
Pérez-Gordillo FL, Serrano-Morillas N, Acosta-García LM, Aranda MT, Passeri D, Pellicciari R, Pérez de Vega MJ, González-Muñiz R, Alvarez de la Rosa D, Martín-Martínez M. Novel 1,4-Dihydropyridine Derivatives as Mineralocorticoid Receptor Antagonists. Int J Mol Sci 2023; 24:ijms24032439. [PMID: 36768761 PMCID: PMC9917360 DOI: 10.3390/ijms24032439] [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] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/12/2023] [Accepted: 01/20/2023] [Indexed: 01/28/2023] Open
Abstract
The mineralocorticoid receptor (MR) belongs to the steroid receptor subfamily of nuclear receptors. MR is a transcription factor key in regulating blood pressure and mineral homeostasis. In addition, it plays an important role in a broad range of biological and pathological conditions, greatly expanding its interest as a pharmacological target. Non-steroidal MR antagonists (MRAs) are of particular interest to avoid side effects and achieve tissue-specific modulation of the receptor. The 1,4-dihydropyridine (1,4-DHP) ring has been identified as an appropriate scaffold to develop non-steroidal MRAs. We report the identification of a novel series of 1,4-DHP that has been guided by structure-based drug design, focusing on the less explored DHP position 2. Interestingly, substituents at this position might interfere with MR helix H12 disposition, which is essential for the recruitment of co-regulators. Several of the newly synthesized 1,4-DHPs show interesting properties as MRAs and have a good selectivity profile. These 1,4-DHPs promote MR nuclear translocation with less efficiency than the natural agonist aldosterone, which explains, at least in part, its antagonist character. Molecular dynamic studies are suggestive of several derivatives interfering with the disposition of H12 in the agonist-associated conformation, and thus, they might stabilize an MR conformation unable to recruit co-activators.
Collapse
Affiliation(s)
| | - Natalia Serrano-Morillas
- Departamento de Ciencias Médicas Básicas and Instituto de Tecnologías Biomédicas, Universidad de La Laguna, 38200 La Laguna, Spain
| | - Luz Marina Acosta-García
- Departamento de Ciencias Médicas Básicas and Instituto de Tecnologías Biomédicas, Universidad de La Laguna, 38200 La Laguna, Spain
| | - María Teresa Aranda
- Instituto de Química Médica (IQM-CSIC), Juan de la Cierva, 3, 28006 Madrid, Spain
| | | | | | | | | | - Diego Alvarez de la Rosa
- Departamento de Ciencias Médicas Básicas and Instituto de Tecnologías Biomédicas, Universidad de La Laguna, 38200 La Laguna, Spain
- Correspondence: (D.A.d.l.R.); (M.M.-M.)
| | - Mercedes Martín-Martínez
- Instituto de Química Médica (IQM-CSIC), Juan de la Cierva, 3, 28006 Madrid, Spain
- Correspondence: (D.A.d.l.R.); (M.M.-M.)
| |
Collapse
|
5
|
Cerra B, Venturoni F, Souma M, Ceccarelli G, Lozza AM, Passeri D, De Franco F, Baxendale IR, Pellicciari R, Macchiarulo A, Gioiello A. Development of 3α,7α-dihydroxy-6α-ethyl-24-nor-5β-cholan-23-sulfate sodium salt (INT-767): Process optimization, synthesis and characterization of metabolites. Eur J Med Chem 2022; 242:114652. [PMID: 36049273 DOI: 10.1016/j.ejmech.2022.114652] [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: 06/15/2022] [Revised: 07/27/2022] [Accepted: 07/31/2022] [Indexed: 11/29/2022]
Abstract
Herein we report our synthetic efforts in supporting the development of the bile alcohol sulfate INT-767, a FXR/TGR5 dual agonist with remarkable therapeutic potential for liver disorders. We describe the process development to a final route for large scale preparation and analogues synthesis. Key sequences include Grignard addition, a one-pot two-step shortening-reduction of the carboxylic side chain, and the final sulfation reaction. The necessity for additional steps such as the protection/deprotection of hydroxyl groups at the steroidal body was also evaluated for step-economy and formation of side-products. Critical bottlenecks such as the side chain degradation have been tackled using flow technology before scaling-up individual steps. The final synthetic route may be successfully employed to produce the amount of INT-767 required to support late-stage clinical development of the compound. Furthermore, potential metabolites have been synthesized, characterized and evaluated for their ability to modulate FXR and TGR5 receptors providing key reference standards for future drug investigations, as well as offering further insights into the structure-activity relationships of this class of compounds.
Collapse
Affiliation(s)
- Bruno Cerra
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Francesco Venturoni
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Maria Souma
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Giada Ceccarelli
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Anna Maria Lozza
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Daniela Passeri
- TES Pharma, Via Palmiro Togliatti 20, 06073, Taverne di Corciano, Perugia, Italy
| | - Francesca De Franco
- TES Pharma, Via Palmiro Togliatti 20, 06073, Taverne di Corciano, Perugia, Italy
| | - Ian R Baxendale
- Department of Chemistry, Durham University, South Road, Durham, United Kingdom
| | - Roberto Pellicciari
- TES Pharma, Via Palmiro Togliatti 20, 06073, Taverne di Corciano, Perugia, Italy
| | - Antonio Macchiarulo
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Antimo Gioiello
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy.
| |
Collapse
|
6
|
Nowak R, Tumber A, Hendrix E, Ansari MS, Sabatino M, Antonini L, Andrijes R, Salah E, Mautone N, Pellegrini FR, Simelis K, Kawamura A, Johansson C, Passeri D, Pellicciari R, Ciogli A, Del Bufalo D, Ragno R, Coleman ML, Trisciuoglio D, Mai A, Oppermann U, Schofield CJ, Rotili D. First-in-Class Inhibitors of the Ribosomal Oxygenase MINA53. J Med Chem 2021; 64:17031-17050. [PMID: 34843649 PMCID: PMC8667043 DOI: 10.1021/acs.jmedchem.1c00605] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Indexed: 01/05/2023]
Abstract
MINA53 is a JmjC domain 2-oxoglutarate-dependent oxygenase that catalyzes ribosomal hydroxylation and is a target of the oncogenic transcription factor c-MYC. Despite its anticancer target potential, no small-molecule MINA53 inhibitors are reported. Using ribosomal substrate fragments, we developed mass spectrometry assays for MINA53 and the related oxygenase NO66. These assays enabled the identification of 2-(aryl)alkylthio-3,4-dihydro-4-oxoypyrimidine-5-carboxylic acids as potent MINA53 inhibitors, with selectivity over NO66 and other JmjC oxygenases. Crystallographic studies with the JmjC demethylase KDM5B revealed active site binding but without direct metal chelation; however, molecular modeling investigations indicated that the inhibitors bind to MINA53 by directly interacting with the iron cofactor. The MINA53 inhibitors manifest evidence for target engagement and selectivity for MINA53 over KDM4-6. The MINA53 inhibitors show antiproliferative activity with solid cancer lines and sensitize cancer cells to conventional chemotherapy, suggesting that further work investigating their potential in combination therapies is warranted.
Collapse
Affiliation(s)
- Radosław
P. Nowak
- Botnar
Research Centre, Nuffield Orthopaedic Centre, University of Oxford, Headington OX3 7LD, U.K.
| | - Anthony Tumber
- Botnar
Research Centre, Nuffield Orthopaedic Centre, University of Oxford, Headington OX3 7LD, U.K.
- Chemistry
Research Laboratory, Department of Chemistry and the Ineos Oxford
Institute for Antimicrobial Research, 12, Mansfield Road, University of Oxford, Oxford OX1 3TA, U.K.
| | - Eline Hendrix
- Institute
of Cancer and Genomic Sciences, University
of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
| | - Mohammad Salik
Zeya Ansari
- Institute
of Molecular Biology and Pathology (IMBP), National Research Council
(CNR) c/o Department of Biology and Biotechnology “Charles
Darwin” Sapienza University of Rome, Via degli Apuli 4, Rome 00185, Italy
| | - Manuela Sabatino
- Rome
Center for Molecular Design, Department of Chemistry and Technology
of Drugs, ″Sapienza″ University
of Rome, Piazzale Aldo
Moro 5, Rome 00185, Italy
| | - Lorenzo Antonini
- Rome
Center for Molecular Design, Department of Chemistry and Technology
of Drugs, ″Sapienza″ University
of Rome, Piazzale Aldo
Moro 5, Rome 00185, Italy
| | - Regina Andrijes
- Institute
of Cancer and Genomic Sciences, University
of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
| | - Eidarus Salah
- Chemistry
Research Laboratory, Department of Chemistry and the Ineos Oxford
Institute for Antimicrobial Research, 12, Mansfield Road, University of Oxford, Oxford OX1 3TA, U.K.
| | - Nicola Mautone
- Department
of Chemistry and Technology of Drugs, ″Sapienza″
University of Rome, Piazzale
Aldo Moro 5, Rome 00185, Italy
| | - Francesca Romana Pellegrini
- Institute
of Molecular Biology and Pathology (IMBP), National Research Council
(CNR) c/o Department of Biology and Biotechnology “Charles
Darwin” Sapienza University of Rome, Via degli Apuli 4, Rome 00185, Italy
| | - Klemensas Simelis
- Chemistry
Research Laboratory, Department of Chemistry and the Ineos Oxford
Institute for Antimicrobial Research, 12, Mansfield Road, University of Oxford, Oxford OX1 3TA, U.K.
| | - Akane Kawamura
- Chemistry
- School of Natural and Environmental Sciences, Newcastle University, Newcastle
upon Tyne NE1 7RU, U.K.
| | - Catrine Johansson
- Botnar
Research Centre, Nuffield Orthopaedic Centre, University of Oxford, Headington OX3 7LD, U.K.
- Chemistry
Research Laboratory, Department of Chemistry and the Ineos Oxford
Institute for Antimicrobial Research, 12, Mansfield Road, University of Oxford, Oxford OX1 3TA, U.K.
| | - Daniela Passeri
- TES
Pharma S.r.l. Via P. Togliatti 20, Corciano, Perugia 06073, Italy
| | | | - Alessia Ciogli
- Department
of Chemistry and Technology of Drugs, ″Sapienza″
University of Rome, Piazzale
Aldo Moro 5, Rome 00185, Italy
| | - Donatella Del Bufalo
- Preclinical
Models and New Therapeutic Agents Unit, IRCCS-Regina Elena National Cancer Institute, Via Elio Chianesi 53, Rome 00144, Italy
| | - Rino Ragno
- Rome
Center for Molecular Design, Department of Chemistry and Technology
of Drugs, ″Sapienza″ University
of Rome, Piazzale Aldo
Moro 5, Rome 00185, Italy
| | - Mathew L. Coleman
- Institute
of Cancer and Genomic Sciences, University
of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
| | - Daniela Trisciuoglio
- Institute
of Molecular Biology and Pathology (IMBP), National Research Council
(CNR) c/o Department of Biology and Biotechnology “Charles
Darwin” Sapienza University of Rome, Via degli Apuli 4, Rome 00185, Italy
| | - Antonello Mai
- Department
of Chemistry and Technology of Drugs, ″Sapienza″
University of Rome, Piazzale
Aldo Moro 5, Rome 00185, Italy
| | - Udo Oppermann
- Botnar
Research Centre, Nuffield Orthopaedic Centre, University of Oxford, Headington OX3 7LD, U.K.
| | - Christopher J. Schofield
- Chemistry
Research Laboratory, Department of Chemistry and the Ineos Oxford
Institute for Antimicrobial Research, 12, Mansfield Road, University of Oxford, Oxford OX1 3TA, U.K.
| | - Dante Rotili
- Department
of Chemistry and Technology of Drugs, ″Sapienza″
University of Rome, Piazzale
Aldo Moro 5, Rome 00185, Italy
| |
Collapse
|
7
|
Mancino V, Ceccarelli G, Carotti A, Goracci L, Sardella R, Passeri D, Pellicciari R, Gioiello A. Synthesis and biological activity of cyclopropyl Δ7-dafachronic acids as DAF-12 receptor ligands. Org Biomol Chem 2021; 19:5403-5412. [PMID: 34056641 DOI: 10.1039/d1ob00912e] [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: 11/21/2022]
Abstract
The four cyclopropyl stereoisomers of Δ7-dafachronic acids were prepared from the bile acid hyodeoxycholic acid and employed as chemical tools to exploit the importance of the orientation and spatial disposition of the carboxyl tail and the C25-methyl group for the binding at the DAF-12 receptor. The synthesis route was based on (a) Walden inversion and stereoselective PtO2-hydrogenation to convert the L-shaped 5β-cholanoid scaffold into the planar 5α-sterol intermediate; (b) two-carbon homologation of the side chain by Wittig and cyclopropanation reaction; and (c) formation of the 3-keto group and Δ7 double bond. The synthesized isomers were isolated and tested for their activity as DAF-12 ligands by AlphaScreen assays. Results showed a significant loss of potency and efficacy for all the four stereoisomers when compared to the parent endogenous ligand. Computational analysis has evidenced the configurational and conformational arrangement of both the carboxylic and the C25-methyl group of dafachronic acids as key structural determinants for DAF-12 binding and activation.
Collapse
Affiliation(s)
- Valentina Mancino
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy. and TES Pharma S.r.l., Corso Vannucci 47, 06121, Perugia, Italy
| | - Giada Ceccarelli
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy.
| | - Andrea Carotti
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy.
| | - Laura Goracci
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via dell'Elce di Sotto 8, 06123, Perugia, Italy
| | - Roccaldo Sardella
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy.
| | | | | | - Antimo Gioiello
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy.
| |
Collapse
|
8
|
Tomassi S, Pfahler J, Mautone N, Rovere A, Esposito C, Passeri D, Pellicciari R, Novellino E, Pannek M, Steegborn C, Paiardini A, Mai A, Rotili D. From PARP1 to TNKS2 Inhibition: A Structure-Based Approach. ACS Med Chem Lett 2020; 11:862-868. [PMID: 32435397 DOI: 10.1021/acsmedchemlett.9b00654] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Accepted: 02/03/2020] [Indexed: 11/28/2022] Open
Abstract
Tankyrases (TNKSs) have recently gained great consideration as potential targets in Wnt/β-catenin pathway-dependent solid tumors. Previously, we reported the 2-mercaptoquinazolin-4-one MC2050 as a micromolar PARP1 inhibitor. Here we show how the resolution of the X-ray structure of PARP1 in complex with MC2050, combined with the computational investigation of the structural differences between TNKSs and PARP1/2 active sites, provided the rationale for a structure-based drug design campaign that with a limited synthetic effort led to the discovery of the bis-quinazolinone 5 as a picomolar and selective TNKS2 inhibitor, endowed with antiproliferative effects in a colorectal cancer cell line (DLD-1) where the Wnt pathway is constitutively activated.
Collapse
Affiliation(s)
- Stefano Tomassi
- Department of Pharmacy, University of Naples, “Federico II”, 80131 Naples, Italy
| | - Julian Pfahler
- Department of Biochemistry and Research Center for Bio-Macromolecules, University of Bayreuth, 95440 Bayreuth, Germany
| | - Nicola Mautone
- Department of Chemistry and Technology of Drugs, ″Sapienza” University of Rome, 00185 Rome, Italy
| | - Annarita Rovere
- Department of Chemistry and Technology of Drugs, ″Sapienza” University of Rome, 00185 Rome, Italy
| | - Chiara Esposito
- Department of Biochemical Sciences “A. Rossi Fanelli″, ″Sapienza” University of Rome, 00185 Rome, Italy
| | | | | | - Ettore Novellino
- Department of Pharmacy, University of Naples, “Federico II”, 80131 Naples, Italy
| | - Martin Pannek
- Department of Biochemistry and Research Center for Bio-Macromolecules, University of Bayreuth, 95440 Bayreuth, Germany
| | - Clemens Steegborn
- Department of Biochemistry and Research Center for Bio-Macromolecules, University of Bayreuth, 95440 Bayreuth, Germany
| | - Alessandro Paiardini
- Department of Biochemical Sciences “A. Rossi Fanelli″, ″Sapienza” University of Rome, 00185 Rome, Italy
| | - Antonello Mai
- Department of Chemistry and Technology of Drugs, ″Sapienza” University of Rome, 00185 Rome, Italy
| | - Dante Rotili
- Department of Chemistry and Technology of Drugs, ″Sapienza” University of Rome, 00185 Rome, Italy
| |
Collapse
|
9
|
Passeri D, Carotti A, Pittol JMR, Ciaccioli G, Pellicciari R, van Mil SWC, Gioiello A. Dissecting the allosteric FXR modulation: a chemical biology approach using guggulsterone as a chemical tool. Medchemcomm 2019; 10:1412-1419. [PMID: 31673308 DOI: 10.1039/c9md00264b] [Citation(s) in RCA: 3] [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: 05/08/2019] [Accepted: 06/16/2019] [Indexed: 12/28/2022]
Abstract
Guggulsterone is a promiscuous ligand for endocrine and metabolic lipid receptors traditionally used to treat a number of diseases including diabesity, hyperlipidemia, atherosclerosis, and osteoarthritis. Although relatively weak, its activity at the farnesoid X receptor (FXR) is particularly intriguing as guggulsterone acts as an antagonist with a peculiar ability of gene selective modulation. We report here a chemical biology study with the aim to further characterize the biological action of guggulsterone at the FXR and to obtain further insights into the functional role played by noncanonical FXR binding pockets S2 and S3. Our results suggest that the FXR accessory pockets might act as potential targets for small molecules able to modulate the metabolic activation of the receptor without affecting the anti-inflammatory activity thus revealing a new approach for disclosing selective FXR modulators that might bypass potential side-effects from chronic treatments.
Collapse
Affiliation(s)
| | - Andrea Carotti
- Department of Pharmaceutical Sciences , University of Perugia , Perugia , Italy .
| | - Jose M Ramos Pittol
- Center for Molecular Medicine , UMC Utrecht , Utrecht University , Utrecht , The Netherlands
| | | | | | - Saskia W C van Mil
- Center for Molecular Medicine , UMC Utrecht , Utrecht University , Utrecht , The Netherlands.,Tytgat Institute for Liver and Intestinal Research , Amsterdam UMC , Amsterdam , The Netherlands
| | - Antimo Gioiello
- Department of Pharmaceutical Sciences , University of Perugia , Perugia , Italy .
| |
Collapse
|
10
|
Cerra B, Carotti A, Passeri D, Sardella R, Moroni G, Di Michele A, Macchiarulo A, Pellicciari R, Gioiello A. Exploiting Chemical Toolboxes for the Expedited Generation of Tetracyclic Quinolines as a Novel Class of PXR Agonists. ACS Med Chem Lett 2019; 10:677-681. [PMID: 30996817 DOI: 10.1021/acsmedchemlett.8b00459] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 12/27/2018] [Indexed: 01/05/2023] Open
Abstract
The discovery of lead compounds relies on the iterative generation of structure-activity relationship data resulting from the synthesis and biological evaluation of hit analogues. Using traditional approaches, a significant time delay may occur from compound design to results, leading to slow and expensive hit-to-lead explorations. Herein, we have exploited the use of chemical toolboxes to expedite lead discovery and optimization. In particular, the integration of flow synthesizers, automation, process analytical technologies, and computational chemistry has provided a prototype system enabling the multicomponent flow synthesis, in-line analysis, and characterization of chiral tetracyclic quinolines as a novel class of PXR agonists. Within 29 compounds, a novel template 19b (3aS,11R,11aS) was identified with an EC50 of 1.2 μM (efficacy 119%) at the PXR receptor.
Collapse
Affiliation(s)
- Bruno Cerra
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06123 Perugia, Italy
| | - Andrea Carotti
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06123 Perugia, Italy
| | | | - Roccaldo Sardella
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06123 Perugia, Italy
| | - Giada Moroni
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06123 Perugia, Italy
| | - Alessandro Di Michele
- Department of Department of Physics and Geology, University of Perugia, Via A. Pascoli, I-06123 Perugia, Italy
| | - Antonio Macchiarulo
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06123 Perugia, Italy
| | | | - Antimo Gioiello
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06123 Perugia, Italy
| |
Collapse
|
11
|
Costanza G, Doldo E, Ferlosio A, Tarquini C, Passeri D, Cascella R, Bavetta M, Di Stefani A, Bonifati C, Agostinelli S, Centofanti F, Giardina E, Campione E, Bianchi L, Donati P, Morrone A, Orlandi A. Expression and potential role of cellular retinol binding protein I in psoriasis. Oncotarget 2018; 9:36736-36749. [PMID: 30613363 PMCID: PMC6298411 DOI: 10.18632/oncotarget.26314] [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] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Accepted: 10/25/2018] [Indexed: 12/18/2022] Open
Abstract
Psoriasis is a diffuse chronic skin disorder characterized from accelerated epidermal turnover and inflammatory cell infiltrate. Retinoids influence keratinocyte proliferation and differentiation as well as inflammatory response. Cellular retinol binding protein (CRBPI) regulates intracellular vitamin A bioavailability and contributes to maintain skin homeostasis. The aim of present study was to investigate the expression of CRBPI and its role in the pathogenesis of skin psoriasis. Immunohistochemistry revealed more diffuse and increased CRBPI expression in all epidermal layers of human psoriatic lesions except in the stratum corneum. An imiquimod-induced psoriatic-like model documented the increase of skin lesional area and severity index score as well as of the severity of microscopic features as parakeratosis, papillomatosis and spongiosis in CRBPI-knockout compared to wild-type mice, associated to the increased keratinocyte CK17 and Ki-67 expression and the reduction of CK1, CRABPII and RXRα. Gene array of imiquimod-induced psoriatic skin documented the greater up-regulation of EGF/PDGF-related genes and down-regulation of EGR1 and pro-inflammatory IL-related genes in CRBPI-knockout compared to wild-type mice. Finally, CRBPI transfection in HaCaT cells increased AKT and NF-κB-related genes and proteins and down-regulated IL-2, IL-6 and IL-8 pro-inflammatory signalling. Although not recognized as a psoriatic susceptibility gene in our cohort of patients, the present data strongly supported the potential role of CRBPI to sustain keratinocyte proliferation and differentiation and to counteract pro-inflammatory genes expression in psoriatic lesions.
Collapse
Affiliation(s)
- Gaetana Costanza
- Anatomic Pathology Unit, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy.,San Gallicano Dermatology Institute, Rome, Italy
| | - Elena Doldo
- Anatomic Pathology Unit, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Amedeo Ferlosio
- Anatomic Pathology Unit, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Chiara Tarquini
- Anatomic Pathology Unit, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Daniela Passeri
- Anatomic Pathology Unit, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Raffaella Cascella
- Genetics Laboratory, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Mauro Bavetta
- Dermatology Unit, Tor Vergata University of Rome, Policlinic of Tor Vergata of Rome, Rome, Italy
| | - Alessandro Di Stefani
- Dermatology Unit, Tor Vergata University of Rome, Policlinic of Tor Vergata of Rome, Rome, Italy
| | | | - Sara Agostinelli
- Anatomic Pathology Unit, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Federica Centofanti
- Anatomic Pathology Unit, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Emiliano Giardina
- Genetics Laboratory, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Elena Campione
- Dermatology Unit, Tor Vergata University of Rome, Policlinic of Tor Vergata of Rome, Rome, Italy
| | - Luca Bianchi
- Dermatology Unit, Tor Vergata University of Rome, Policlinic of Tor Vergata of Rome, Rome, Italy
| | | | - Aldo Morrone
- San Gallicano Dermatology Institute, Rome, Italy
| | - Augusto Orlandi
- Anatomic Pathology Unit, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy.,Catholic University "Our Lady of Good Counsel", Tirana, Albania
| |
Collapse
|
12
|
Mostarda S, Passeri D, Carotti A, Cerra B, Colliva C, Benicchi T, Macchiarulo A, Pellicciari R, Gioiello A. Synthesis, physicochemical properties, and biological activity of bile acids 3-glucuronides: Novel insights into bile acid signalling and detoxification. Eur J Med Chem 2017; 144:349-358. [PMID: 29275233 DOI: 10.1016/j.ejmech.2017.12.034] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [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: 11/02/2017] [Revised: 11/29/2017] [Accepted: 12/11/2017] [Indexed: 12/21/2022]
Abstract
Glucuronidation is considered an important detoxification pathway of bile acids especially in cholestatic conditions. Glucuronides are less toxic than the parent free forms and are more easily excreted in urine. However, the pathophysiological significance of bile acid glucuronidation is still controversial and debated among the scientific community. Progress in this field has been strongly limited by the lack of appropriate methods for the preparation of pure glucuronides in the amount needed for biological and pharmacological studies. In this work, we have developed a new synthesis of bile acid C3-glucuronides enabling the convenient preparation of gram-scale quantities. The synthesized compounds have been characterized in terms of physicochemical properties and abilities to modulate key nuclear receptors including the farnesoid X receptor (FXR). In particular, we found that C3-glucuronides of chenodeoxycholic acid and lithocholic acid, respectively the most abundant and potentially cytotoxic species formed in patients affected by cholestasis, behave as FXR agonists and positively regulate the gene expression of transporter proteins, the function of which is critical in human conditions related to imbalances of bile acid homeostasis.
Collapse
Affiliation(s)
- Serena Mostarda
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | | | - Andrea Carotti
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | - Bruno Cerra
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | | | | | - Antonio Macchiarulo
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | | | - Antimo Gioiello
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo, 1, 06123 Perugia, Italy.
| |
Collapse
|
13
|
Reggente M, Natali M, Passeri D, Lucci M, Davoli I, Pourroy G, Masson P, Palkowski H, Hangen U, Carradò A, Rossi M. Multiscale mechanical characterization of hybrid Ti/PMMA layered materials. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.05.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
14
|
Moniot S, Forgione M, Lucidi A, Hailu GS, Nebbioso A, Carafa V, Baratta F, Altucci L, Giacché N, Passeri D, Pellicciari R, Mai A, Steegborn C, Rotili D. Development of 1,2,4-Oxadiazoles as Potent and Selective Inhibitors of the Human Deacetylase Sirtuin 2: Structure–Activity Relationship, X-ray Crystal Structure, and Anticancer Activity. J Med Chem 2017; 60:2344-2360. [DOI: 10.1021/acs.jmedchem.6b01609] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Sébastien Moniot
- Department
of Biochemistry and Research Center for Bio-Macromolecules, University of Bayreuth, 95440 Bayreuth, Germany
| | - Mariantonietta Forgione
- Department
of Drug Chemistry and Technologies, Istituto Pasteur Italia—Fondazione Cenci Bolognetti, Sapienza University of Rome, P. le A. Moro
5, 00185 Rome, Italy
- Center
for Life Nano Science@Sapienza, Istituto Italiano di Tecnologia, Viale Regina Elena, 291, 00161 Rome, Italy
| | - Alessia Lucidi
- Department
of Drug Chemistry and Technologies, Istituto Pasteur Italia—Fondazione Cenci Bolognetti, Sapienza University of Rome, P. le A. Moro
5, 00185 Rome, Italy
| | - Gebremedhin S. Hailu
- Department
of Drug Chemistry and Technologies, Istituto Pasteur Italia—Fondazione Cenci Bolognetti, Sapienza University of Rome, P. le A. Moro
5, 00185 Rome, Italy
| | - Angela Nebbioso
- Department
of Biochemistry, Biophysics and General Pathology, Second University of Naples, Vico L. de Crecchio 7, 80138 Naples, Italy
| | - Vincenzo Carafa
- Department
of Biochemistry, Biophysics and General Pathology, Second University of Naples, Vico L. de Crecchio 7, 80138 Naples, Italy
| | - Francesca Baratta
- Department
of Biochemistry, Biophysics and General Pathology, Second University of Naples, Vico L. de Crecchio 7, 80138 Naples, Italy
| | - Lucia Altucci
- Department
of Biochemistry, Biophysics and General Pathology, Second University of Naples, Vico L. de Crecchio 7, 80138 Naples, Italy
| | - Nicola Giacché
- TES Pharma S.r.l., Via P. Togliatti 20, 06073 Corciano, Perugia, Italy
| | - Daniela Passeri
- TES Pharma S.r.l., Via P. Togliatti 20, 06073 Corciano, Perugia, Italy
| | | | - Antonello Mai
- Department
of Drug Chemistry and Technologies, Istituto Pasteur Italia—Fondazione Cenci Bolognetti, Sapienza University of Rome, P. le A. Moro
5, 00185 Rome, Italy
| | - Clemens Steegborn
- Department
of Biochemistry and Research Center for Bio-Macromolecules, University of Bayreuth, 95440 Bayreuth, Germany
| | - Dante Rotili
- Department
of Drug Chemistry and Technologies, Istituto Pasteur Italia—Fondazione Cenci Bolognetti, Sapienza University of Rome, P. le A. Moro
5, 00185 Rome, Italy
| |
Collapse
|
15
|
Pellicciari R, Passeri D, De Franco F, Mostarda S, Filipponi P, Colliva C, Gadaleta RM, Franco P, Carotti A, Macchiarulo A, Roda A, Moschetta A, Gioiello A. Discovery of 3α,7α,11β-Trihydroxy-6α-ethyl-5β-cholan-24-oic Acid (TC-100), a Novel Bile Acid as Potent and Highly Selective FXR Agonist for Enterohepatic Disorders. J Med Chem 2016; 59:9201-9214. [PMID: 27652492 DOI: 10.1021/acs.jmedchem.6b01126] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
As a continuation of previous efforts in mapping functional hot spots on the bile acid scaffold, we here demonstrate that the introduction of a hydroxy group at the C11β position affords high selectivity for FXR. In particular, the synthesis and FXR/TGR5 activity of novel bile acids bearing different hydroxylation patterns at the C ring are reported and discussed from a structure-activity standpoint. The results obtained led us to discover the first bile acid derivative endowed with high potency and selectivity at the FXR receptor, 3α,7α,11β-trihydroxy-6α-ethyl-5β-cholan-24-oic acid (TC-100, 7) which also shows a remarkable physicochemical and pharmacological profile. Compound 7 combines the excellent physicochemical properties of hydrophilic bile acids such as ursodeoxycholic acid, with the distinct ability to specifically bind and regulate FXR activity in vivo, thus providing a bona fide novel therapeutic agent to treat enterohepatic disorders such as cholestasis, NASH, and inflammatory bowel disease.
Collapse
Affiliation(s)
- Roberto Pellicciari
- TES Pharma S.r.l. , Via Palmiro Togliatti 22bis, I-06073 Loc. Terrioli, Corciano, Perugia, Italy
| | - Daniela Passeri
- TES Pharma S.r.l. , Via Palmiro Togliatti 22bis, I-06073 Loc. Terrioli, Corciano, Perugia, Italy
| | - Francesca De Franco
- TES Pharma S.r.l. , Via Palmiro Togliatti 22bis, I-06073 Loc. Terrioli, Corciano, Perugia, Italy
| | - Serena Mostarda
- Department of Pharmaceutical Sciences, University of Perugia , Via del Liceo 1, 06123 Perugia, Italy
| | - Paolo Filipponi
- Department of Pharmaceutical Sciences, University of Perugia , Via del Liceo 1, 06123 Perugia, Italy
| | - Carolina Colliva
- TES Pharma S.r.l. , Via Palmiro Togliatti 22bis, I-06073 Loc. Terrioli, Corciano, Perugia, Italy
| | - Raffaella Maria Gadaleta
- Interdisciplinary Department of Medicine, University of Bari , Piazza Giulio Cesare 11, 70124 Bari, Italy
| | - Placido Franco
- Department of Chemistry, University of Bologna , Via Selmi 2, 40126 Bologna, Italy
| | - Andrea Carotti
- Department of Pharmaceutical Sciences, University of Perugia , Via del Liceo 1, 06123 Perugia, Italy
| | - Antonio Macchiarulo
- Department of Pharmaceutical Sciences, University of Perugia , Via del Liceo 1, 06123 Perugia, Italy
| | - Aldo Roda
- Department of Chemistry, University of Bologna , Via Selmi 2, 40126 Bologna, Italy
| | - Antonio Moschetta
- Interdisciplinary Department of Medicine, University of Bari , Piazza Giulio Cesare 11, 70124 Bari, Italy
| | - Antimo Gioiello
- Department of Pharmaceutical Sciences, University of Perugia , Via del Liceo 1, 06123 Perugia, Italy
| |
Collapse
|
16
|
Passeri D, Doldo E, Tarquini C, Costanza G, Mazzaglia D, Agostinelli S, Campione E, Di Stefani A, Giunta A, Bianchi L, Orlandi A. Loss of CRABP-II Characterizes Human Skin Poorly Differentiated Squamous Cell Carcinomas and Favors DMBA/TPA-Induced Carcinogenesis. J Invest Dermatol 2016; 136:1255-1266. [DOI: 10.1016/j.jid.2016.01.039] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 01/21/2016] [Accepted: 01/28/2016] [Indexed: 10/22/2022]
|
17
|
Favia A, Pafumi I, Desideri M, Padula F, Montesano C, Passeri D, Nicoletti C, Orlandi A, Del Bufalo D, Sergi M, Ziparo E, Palombi F, Filippini A. NAADP-Dependent Ca(2+) Signaling Controls Melanoma Progression, Metastatic Dissemination and Neoangiogenesis. Sci Rep 2016; 6:18925. [PMID: 26733361 PMCID: PMC4702115 DOI: 10.1038/srep18925] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 11/30/2015] [Indexed: 02/06/2023] Open
Abstract
A novel transduction pathway for the powerful angiogenic factor VEGF has been recently shown in endothelial cells to operate through NAADP-controlled intracellular release of Ca2+. In the present report the possible involvement of NAADP-controlled Ca2+ signaling in tumor vascularization, growth and metastatic dissemination was investigated in a murine model of VEGF-secreting melanoma. Mice implanted with B16 melanoma cells were treated with NAADP inhibitor Ned-19 every second day for 4 weeks and tumor growth, vascularization and metastatization were evaluated. Control specimens developed well vascularized tumors and lung metastases, whereas in Ned-19-treated mice tumor growth and vascularization as well as lung metastases were strongly inhibited. In vitro experiments showed that Ned-19 treatment controls the growth of B16 cells in vitro, their migratory ability, adhesive properties and VEGFR2 expression, indicating NAADP involvement in intercellular autocrine signaling. To this regard, Ca2+ imaging experiments showed that the response of B16 cells to VEGF stimulation is NAADP-dependent. The whole of these observations indicate that NAADP-controlled Ca2+ signaling can be relevant not only for neoangiogenesis but also for direct control of tumor cells.
Collapse
Affiliation(s)
- Annarita Favia
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology,SAPIENZA University of Rome, 16 Via A. Scarpa, 00161 Rome, Italy
| | - Irene Pafumi
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology,SAPIENZA University of Rome, 16 Via A. Scarpa, 00161 Rome, Italy
| | - Marianna Desideri
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, 53 Via E. Chianesi, 00144, Rome, Italy
| | - Fabrizio Padula
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology,SAPIENZA University of Rome, 16 Via A. Scarpa, 00161 Rome, Italy
| | - Camilla Montesano
- Department of Chemistry, SAPIENZA University of Rome, 5 Piazzale Aldo Moro, 00185 Rome, Italy
| | - Daniela Passeri
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, Via di Tor Vegata, 00173 Rome, Italy
| | - Carmine Nicoletti
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology,SAPIENZA University of Rome, 16 Via A. Scarpa, 00161 Rome, Italy
| | - Augusto Orlandi
- Department of Biomedicine and Prevention, Tor Vergata University of Rome, Via di Tor Vegata, 00173 Rome, Italy
| | - Donatella Del Bufalo
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, 53 Via E. Chianesi, 00144, Rome, Italy
| | - Manuel Sergi
- Faculty of Biosciences and Technologies for Food, Agriculture and Environment, University of Teramo, 1 Via R. Balzarini, 64023 Teramo, Italy
| | - Elio Ziparo
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology,SAPIENZA University of Rome, 16 Via A. Scarpa, 00161 Rome, Italy
| | - Fioretta Palombi
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology,SAPIENZA University of Rome, 16 Via A. Scarpa, 00161 Rome, Italy
| | - Antonio Filippini
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology,SAPIENZA University of Rome, 16 Via A. Scarpa, 00161 Rome, Italy
| |
Collapse
|
18
|
Angeloni L, Passeri D, Scaramuzzo FA, Di Iorio D, Barteri M, Mantovani D, Rossi M. Measurement of the nonmagnetic coating thickness of core-shell magnetic nanoparticles by controlled magnetization magnetic force microscopy. ACTA ACUST UNITED AC 2016. [DOI: 10.1063/1.4954489] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
|
19
|
Gay S, Orlanducci S, Passeri D, Rossi M, Terranova ML. Nanoshaping field emitters from glassy carbon sheets: a new functionality induced by H-plasma etching. Phys Chem Chem Phys 2016; 18:25364-25372. [DOI: 10.1039/c6cp03606f] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This paper reports on the morphological and electrical characterization at the nanometer scale and the investigation of the field emission characteristics of glassy carbon (GC) plates which underwent H-induced physical/chemical processes occurring in a dual-mode MW-RF plasma reactor.
Collapse
Affiliation(s)
- S. Gay
- Department of Chemical Sciences and Technologies
- University of Rome Tor Vergata
- 00133 Rome
- Italy
- HORIBA Italia S.r.l
| | - S. Orlanducci
- Department of Chemical Sciences and Technologies
- University of Rome Tor Vergata
- 00133 Rome
- Italy
| | - D. Passeri
- Department of Basic and Applied Sciences for Engineering
- SAPIENZA University of Rome
- 00161 Rome
- Italy
| | - M. Rossi
- Department of Basic and Applied Sciences for Engineering
- SAPIENZA University of Rome
- 00161 Rome
- Italy
- Research Center for Nanotechnology Applied to Engineering of SAPIENZA University of Rome (CNIS)
| | - M. L. Terranova
- Department of Chemical Sciences and Technologies
- University of Rome Tor Vergata
- 00133 Rome
- Italy
| |
Collapse
|
20
|
Passeri D, Camaioni E, Liscio P, Sabbatini P, Ferri M, Carotti A, Giacchè N, Pellicciari R, Gioiello A, Macchiarulo A. Concepts and Molecular Aspects in the Polypharmacology of PARP-1 Inhibitors. ChemMedChem 2015; 11:1219-26. [PMID: 26424664 DOI: 10.1002/cmdc.201500391] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [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: 09/01/2015] [Indexed: 11/08/2022]
Abstract
Recent years have witnessed a renewed interest in PARP-1 inhibitors as promising anticancer agents with multifaceted functions. Particularly exciting developments include the approval of olaparib (Lynparza) for the treatment of refractory ovarian cancer in patients with BRCA1/2 mutations, and the increasing understanding of the polypharmacology of PARP-1 inhibitors. The aim of this review article is to provide the reader with a comprehensive overview of the distinct levels of the polypharmacology of PARP-1 inhibitors, including 1) inter-family polypharmacology, 2) intra-family polypharmacology, and 3) multi-signaling polypharmacology. Progress made in gaining insight into the molecular basis of these multiple target-independent and target-dependent activities of PARP-1 inhibitors are discussed, with an outlook on the potential impact that a better understanding of polypharmacology may have in aiding the explanation as to why some drug candidates work better than others in clinical settings, albeit acting on the same target with similar inhibitory potency.
Collapse
Affiliation(s)
- Daniela Passeri
- TES Pharma S.r.l., via Palmiro Togliatti 20, 06073 Corciano, Perugia, Italy
| | - Emidio Camaioni
- Dipartimento di Scienze Farmaceutiche, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy
| | - Paride Liscio
- TES Pharma S.r.l., via Palmiro Togliatti 20, 06073 Corciano, Perugia, Italy
| | - Paola Sabbatini
- TES Pharma S.r.l., via Palmiro Togliatti 20, 06073 Corciano, Perugia, Italy
| | - Martina Ferri
- Dipartimento di Scienze Farmaceutiche, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy
| | - Andrea Carotti
- Dipartimento di Scienze Farmaceutiche, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy
| | - Nicola Giacchè
- TES Pharma S.r.l., via Palmiro Togliatti 20, 06073 Corciano, Perugia, Italy
| | | | - Antimo Gioiello
- Dipartimento di Scienze Farmaceutiche, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy
| | - Antonio Macchiarulo
- Dipartimento di Scienze Farmaceutiche, University of Perugia, Via del Liceo 1, 06123, Perugia, Italy.
| |
Collapse
|
21
|
Porru M, Artuso S, Salvati E, Bianco A, Franceschin M, Diodoro MG, Passeri D, Orlandi A, Savorani F, D'Incalci M, Biroccio A, Leonetti C. Targeting G-Quadruplex DNA Structures by EMICORON Has a Strong Antitumor Efficacy against Advanced Models of Human Colon Cancer. Mol Cancer Ther 2015; 14:2541-51. [PMID: 26304235 DOI: 10.1158/1535-7163.mct-15-0253] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 08/10/2015] [Indexed: 01/11/2023]
Abstract
We previously identified EMICORON as a novel G-quadruplex (G4) ligand showing high selectivity for G4 structures over the duplex DNA, causing telomere damage and inhibition of cell proliferation in transformed and tumor cells. Here, we evaluated the antitumoral effect of EMICORON on advanced models of human colon cancer that could adequately predict human clinical outcomes. Our results showed that EMICORON was well tolerated in mice, as no adverse effects were reported, and a low ratio of sensitivity across human and mouse bone marrow cells was observed, indicating a good potential for reaching similar blood levels in humans. Moreover, EMICORON showed a marked therapeutic efficacy, as it inhibited the growth of patient-derived xenografts (PDX) and orthotopic colon cancer and strongly reduced the dissemination of tumor cells to lymph nodes, intestine, stomach, and liver. Finally, activation of DNA damage and impairment of proliferation and angiogenesis are proved to be key determinants of EMICORON antitumoral activity. Altogether, our results, performed on advanced experimental models of human colon cancer that bridge the translational gap between preclinical and clinical studies, demonstrated that EMICORON had an unprecedented antitumor activity warranting further studies of EMICORON-based combination treatments.
Collapse
Affiliation(s)
- Manuela Porru
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, Rome, Italy
| | - Simona Artuso
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, Rome, Italy
| | - Erica Salvati
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, Rome, Italy
| | | | | | | | - Daniela Passeri
- Department of Biopathology and Image Diagnostics, Anatomic Pathology Institute, University of Rome "Tor Vergata", Rome, Italy
| | - Augusto Orlandi
- Department of Biopathology and Image Diagnostics, Anatomic Pathology Institute, University of Rome "Tor Vergata", Rome, Italy
| | - Francesco Savorani
- Department of Food Science, Faculty of Science, University of Copenhagen, Copenhagen, Denmark
| | - Maurizio D'Incalci
- Department of Oncology, Pharmacological Research Institute "Mario Negri", Milan, Italy
| | - Annamaria Biroccio
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, Rome, Italy.
| | - Carlo Leonetti
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, Rome, Italy.
| |
Collapse
|
22
|
Pessina A, Leonetti C, Artuso S, Benetti A, Dessy E, Pascucci L, Passeri D, Orlandi A, Berenzi A, Bonomi A, Coccè V, Ceserani V, Ferri A, Dossena M, Mazzuca P, Ciusani E, Ceccarelli P, Caruso A, Portolani N, Sisto F, Parati E, Alessandri G. Drug-releasing mesenchymal cells strongly suppress B16 lung metastasis in a syngeneic murine model. J Exp Clin Cancer Res 2015; 34:82. [PMID: 26264809 PMCID: PMC4534150 DOI: 10.1186/s13046-015-0200-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Accepted: 08/04/2015] [Indexed: 12/21/2022]
Abstract
BACKGROUND Mesenchymal stromal cells (MSCs) are considered an important therapeutic tool in cancer therapy. They possess intrinsic therapeutic potential and can also be in vitro manipulated and engineered to produce therapeutic molecules that can be delivered to the site of diseases, through their capacity to home pathological tissues. We have recently demonstrated that MSCs, upon in vitro priming with anti-cancer drug, become drug-releasing mesenchymal cells (Dr-MCs) able to strongly inhibit cancer cells growth. METHODS Murine mesenchymal stromal cells were loaded with Paclitaxel (Dr-MCsPTX) according to a standardized procedure and their ability to inhibit the growth of a murine B16 melanoma was verified by in vitro assays. The anti-metastatic activity of Dr-MCsPTX was then studied in mice injected i.v. with B16 melanoma cells that produced lung metastatic nodules. Lung nodules were counted under a dissecting stereomicroscope and metastasis investigated by histological analysis. RESULTS We found that three i.v. injections of Dr-MCsPTX on day 5, 10 and 15 after tumor injection almost completely abolished B16 lung metastasis. Dr-MCsPTX arrested into lung by interacting with endothelium and migrate toward cancer nodule through a complex mechanism involving primarily mouse lung stromal cells (mL-StCs) and SDF-1/CXCR4/CXCR7 axis. CONCLUSIONS Our results show for the first time that Dr-MCsPTX are very effective to inhibit lung metastasis formation. Actually, a cure for lung metastasis in humans is mostly unlikely and we do not know whether a therapy combining engineered MSCs and Dr-MCs may work synergistically. However, we think that our approach using Dr-MCs loaded with PTX may represent a new valid and additive therapeutic tool to fight lung metastases and, perhaps, primary lung cancers in human.
Collapse
Affiliation(s)
- Augusto Pessina
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Via Pascal 36, Milan, 20133, Italy.
| | - Carlo Leonetti
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, Rome, Italy
| | - Simona Artuso
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, Rome, Italy
| | - Anna Benetti
- Department of Clinical and Experimental Sciences, Institute of Pathological Anatomy, University of Brescia, Brescia, Italy
| | - Enrico Dessy
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Luisa Pascucci
- Department of Veterinary Medicine, University of Perugia, Perugia, Italy
| | - Daniela Passeri
- Department of Biopathology and Image Diagnostics, Anatomic Pathology Institute, University of Rome 'Tor Vergata', Rome, Italy
| | - Augusto Orlandi
- Department of Biopathology and Image Diagnostics, Anatomic Pathology Institute, University of Rome 'Tor Vergata', Rome, Italy
| | - Angiola Berenzi
- Department of Clinical and Experimental Sciences, Institute of Pathological Anatomy, University of Brescia, Brescia, Italy
| | - Arianna Bonomi
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Via Pascal 36, Milan, 20133, Italy
| | - Valentina Coccè
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Via Pascal 36, Milan, 20133, Italy
| | - Valentina Ceserani
- Cellular Neurobiology Laboratory, Department of Cerebrovascular Diseases, IRCCS Neurological Institute C. Besta, Milan, Italy
| | - Anna Ferri
- Cellular Neurobiology Laboratory, Department of Cerebrovascular Diseases, IRCCS Neurological Institute C. Besta, Milan, Italy
| | - Marta Dossena
- Cellular Neurobiology Laboratory, Department of Cerebrovascular Diseases, IRCCS Neurological Institute C. Besta, Milan, Italy
| | - Pietro Mazzuca
- Department of Microbiology, Brescia University, Brescia, Italy
| | - Emilio Ciusani
- Laboratory of Clinical Pathology and Neurogenetic Medicine, Fondazione IRCCS Neurological Institute Carlo Besta, Milan, Italy
| | - Piero Ceccarelli
- Department of Veterinary Medicine, University of Perugia, Perugia, Italy
| | - Arnaldo Caruso
- Department of Microbiology, Brescia University, Brescia, Italy
| | - Nazario Portolani
- Department of Medical and Surgical Sciences, University of Brescia, Brescia, Italy
| | - Francesca Sisto
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Via Pascal 36, Milan, 20133, Italy
| | - Eugenio Parati
- Cellular Neurobiology Laboratory, Department of Cerebrovascular Diseases, IRCCS Neurological Institute C. Besta, Milan, Italy
| | - Giulio Alessandri
- Cellular Neurobiology Laboratory, Department of Cerebrovascular Diseases, IRCCS Neurological Institute C. Besta, Milan, Italy
| |
Collapse
|
23
|
Alessandri G, Leonetti C, Artuso S, Orlandi A, Passeri D, Benetti A, Berenzi A, Dessy E, Pascucci L, Ceccarelli P, Bonomi A, Coccè V, Portolani N, Ceserani V, Parati E, Pessina A. Abstract 4237: Drug-releasing mesenchymal cells strongly suppress B16 lung metastasis in a syngeneic murine model. Cancer Res 2015. [DOI: 10.1158/1538-7445.am2015-4237] [Citation(s) in RCA: 0] [Impact Index Per Article: 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
Abstract
Mesenchymal stromal cells (MSCs) are considered an important therapeutic tool in cancer therapy. Because MSCs may home tumor microenvironment they have the possibility to directly delivery molecules to cancer cells. We have demonstrated that MSCs, upon in vitro priming with anti-cancer drug, become drug-releasing mesenchymal cells (Dr-MCs) able to strongly inhibit cancer cells growth. In order to expand our studies we here investigated whether intravenous (i.v) injection of MSCs loaded with Paclitaxel (PTX) were able to reduce B16 melanoma lung metastasis formation. To this end, as Dr-MCs, the murine MSC line SR4987 was used. SR4987 cells were loaded with PTX (SR4987PTX) by incubating for 24h with 2000ng/ml PTX. The anti-metastatic activity of SR4987PTX was evaluated in mice injected i.v. with 2.5 × 105 B16 melanoma cells. Tracking of the SR4987 in the lung was studied by immunohistochemistry using anti-Sca-1 antibodies. Adhesion and migration experiments were performed to elucidated the mechanism of SR4987PTX homing. In summary, we found that three i.v. injections of SR4987PTX on day 5, 10 and 15 after tumor injection almost completely (>90% inhibition) abolished B16 lung metastasis. This effect was significantly superior (p<0.01) than PTX given at the maximal tolerated dose of 10mg/Kg. SR4987PTX arrested into lung by interacting with endothelium and migrate toward cancer nodule through a complex mechanism involving primarily mouse lung stromal cells (mL-StCs). Indeed in vitro data show that mL-StCs treated with the conditioned medium (CM) of B16 cells (B16-CM) increase adhesion of SR4987PTX on lung endothelium (L-MECs) and stimulated their migration. In this contest the addition of the inflammatory cytokine TNFα enhanced both adhesion and migration of SR4987PTX. Additionally, we found that mL-StCs induce migration of SR4987PTX through the release SDF-1. Indeed, blocking SDF-1 activity by using anti-SDF-1 antibodies or its receptors CXCR4/CXCR7 with the compound AMD3100, migration of SR4987PTX was strongly reduced. In vivo SDF-1 expression was increased in mL-StCs surrounding metastases, while the presence of Sca-1+ cells nearby metastasis as well in the infiltrating microvessels confirmed the cancer homing capability of SR4987PTX. In conclusion, because it is known that cancer recruits circulating MSCs to form its stroma, it is proposed to exploit this property to fight it, by administrating exogenous MSCs carrying anticancer molecules. Our results show for the first time that Dr-MCs loaded with PTX are very effective as “Trojan horses” to delivery the drug and to strongly inhibit lung metastasis formation. Actually, a cure for lung metastasis in human is mostly unlikely, we think that our approach of using Dr-MCs loaded with PTX may represent a new valid and additive therapeutic tool to fight metastases and, perhaps, lung cancers in human.
Citation Format: Giulio Alessandri, Carlo Leonetti, Simona Artuso, Augusto Orlandi, Daniela Passeri, Anna Benetti, Angiola Berenzi, Enrico Dessy, Luisa Pascucci, Piero Ceccarelli, Arianna Bonomi, Valentina Coccè, Nazario Portolani, Valentina Ceserani, Eugenio Parati, Augusto Pessina. Drug-releasing mesenchymal cells strongly suppress B16 lung metastasis in a syngeneic murine model. [abstract]. In: Proceedings of the 106th Annual Meeting of the American Association for Cancer Research; 2015 Apr 18-22; Philadelphia, PA. Philadelphia (PA): AACR; Cancer Res 2015;75(15 Suppl):Abstract nr 4237. doi:10.1158/1538-7445.AM2015-4237
Collapse
Affiliation(s)
| | | | - Simona Artuso
- 2Regina Elena National Cancer Institute,, Roma, Italy
| | | | | | - Anna Benetti
- 4Department of Pathology, Spedali Civili, and University of Brescia,, Brescia, Italy
| | - Angiola Berenzi
- 4Department of Pathology, Spedali Civili, and University of Brescia,, Brescia, Italy
| | - Enrico Dessy
- 4Department of Pathology, Spedali Civili, and University of Brescia,, Brescia, Italy
| | - Luisa Pascucci
- 5Section of Veterinary Anatomy, University of Perugia, Perugia, Italy
| | - Piero Ceccarelli
- 5Section of Veterinary Anatomy, University of Perugia, Perugia, Italy
| | - Arianna Bonomi
- 6Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Valentina Coccè
- 6Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Nazario Portolani
- 7Department of Medical and Surgical Sciences. University of Brescia,, Brescia, Italy
| | | | | | - Augusto Pessina
- 6Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| |
Collapse
|
24
|
Orlandi A, Calzetta L, Doldo E, Tarquini C, Matera MG, Passeri D. Brain natriuretic peptide modulates calcium homeostasis and epidermal growth factor receptor gene signalling in asthmatic airways smooth muscle cells. Pulm Pharmacol Ther 2015; 31:51-4. [PMID: 25722070 DOI: 10.1016/j.pupt.2015.02.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Accepted: 02/14/2015] [Indexed: 01/24/2023]
Abstract
The airway epithelium acts as a barrier and provides a critical interface between the body and the external environment. Brain natriuretic peptide (BNP) plays an important role in several bronchial functions, including relaxation. BNP relaxes airways by binding and activating natriuretic peptide receptor-A expressed from the airway epithelium. Although relaxation effect has been extensively investigated, less is known about BNP-regulated intracellular biomolecular pathways leading to bronchial relaxation. To this aim, we investigated BNP effects on gene signalling of airway smooth muscle cells (ASM) obtained from donors with asthma by using a RT(2) profiler™ PCR array. When compared with control, treatment for 2 h with supernatant from BNP-treated (1 μM) bronchial epithelial cells (BEAS-2B) induced in asthmatic ASM cells a rapid reduction of transcription of EGFR and genes involving in actin and calcium homeostasis, as those of Protein kinase C (PKC) and RhoA-ROCK gene pathways. Immunofluorescence and western blotting did not shown any difference comparing control and ASM cells treated with conditioned medium from BNP-treated BEAS-2B. This study provides evidence that the effect of BNP on relaxing bronchial in ASM cells is mediated from epithelium and associates to rapid changes of EGFR and calcium homeostasis-associated gene levels.
Collapse
Affiliation(s)
- Augusto Orlandi
- Department of Biomedicine and Prevention, Institute of Anatomic Pathology, University of Rome Tor Vergata, Rome, Italy; Tor Vergata University Policlinic of Rome, Italy
| | - Luigino Calzetta
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Elena Doldo
- Department of Biomedicine and Prevention, Institute of Anatomic Pathology, University of Rome Tor Vergata, Rome, Italy
| | - Chiara Tarquini
- Department of Biomedicine and Prevention, Institute of Anatomic Pathology, University of Rome Tor Vergata, Rome, Italy
| | | | - Daniela Passeri
- Department of Biomedicine and Prevention, Institute of Anatomic Pathology, University of Rome Tor Vergata, Rome, Italy.
| |
Collapse
|
25
|
Passeri D, Rinaldi F, Ingallina C, Carafa M, Rossi M, Terranova ML, Marianecci C. Biomedical Applications of Nanodiamonds: An Overview. J Nanosci Nanotechnol 2015; 15:972-988. [PMID: 26353603 DOI: 10.1166/jnn.2015.9734] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Nanodiamonds are a novel class of nanomaterials which have raised much attention for application in biomedical field, as they combine the possibility of being produced on large scale using relatively inexpensive synthetic processes, of being fluorescent as a consequence of the presence of nitrogen vacancies, of having their surfaces functionalized, and of having good biocompatibility. Among other applications, we mainly focus on drug delivery, including cell interaction, targeting, cancer therapy, gene and protein delivery. In addition, nanodiamonds for bone and dental implants and for antibacterial use is discussed. Techniques for detection and imaging of nanodiamonds in biological tissues are also reviewed, including electron microscopy, fluorescence microscopy, Raman mapping, atomic force microscopy, thermal imaging, magnetic resonance imaging, and positron emission tomography, either in vitro, in vivo, or ex vivo. Toxicological aspects related to the use of nanodiamonds are also discussed. Finally, patents, preclinical and clinical trials based on the use of nanodiamonds for biomedical applications are reviewed.
Collapse
|
26
|
Rossi M, Cubadda F, Dini L, Terranova M, Aureli F, Sorbo A, Passeri D. Scientific basis of nanotechnology, implications for the food sector and future trends. Trends Food Sci Technol 2014. [DOI: 10.1016/j.tifs.2014.09.004] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
|
27
|
Gioiello A, Cerra B, Zhang W, Vallerini GP, Costantino G, De Franco F, Passeri D, Pellicciari R, Setchell KDR. Synthesis of atypical bile acids for use as investigative tools for the genetic defect of 3β-hydroxy-Δ(5)-C27-steroid oxidoreductase deficiency. J Steroid Biochem Mol Biol 2014; 144 Pt B:348-60. [PMID: 24954360 DOI: 10.1016/j.jsbmb.2014.06.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Revised: 05/28/2014] [Accepted: 06/17/2014] [Indexed: 12/31/2022]
Abstract
Deficiency of 3β-hydroxy-Δ(5)-C27-steroid oxidoreductase (HSD3B7), an enzyme catalyzing the second step in the pathway for bile acid synthesis, leads to a complete lack of the primary bile acids, cholic and chenodeoxycholic acids, and the accumulation of 3β,7α-dihydroxy- and 3β,7α,12α-trihydroxy-Δ(5)-cholenoic acids. Patients affected by this autosomal recessive genetic defect develop cholestatic liver disease that is clinically responsive to primary bile acid therapy. Reference standards of these compounds are needed to facilitate diagnosis and to accurately quantify biochemical responses to therapy. Described are a novel synthesis of atypical bile acids that characterize the HSD3B7 deficiency and their effect on bile acid-activated nuclear receptors, target genes and cytochromes involved in bile acid homeostasis and detoxification. The failure of 3β-hydroxy-Δ(5)-cholenoic acids to function as FXR, PXR and CAR agonists and to exert hepatoprotective actions explains the mechanism for progressive cholestatic liver disease in patients with HSD3B7 deficiency.
Collapse
Affiliation(s)
- Antimo Gioiello
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06122 Perugia, Italy.
| | - Bruno Cerra
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06122 Perugia, Italy
| | - Wujuan Zhang
- Division of Pathology and Laboratory Medicine, Cincinnati Children's Hospital Medical Center and Department of Pediatrics of the University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Gian Paolo Vallerini
- Department of Farmacy, University of Parma, Viale delle Scienze 27/A, Parma I-43124, Italy
| | - Gabriele Costantino
- Department of Farmacy, University of Parma, Viale delle Scienze 27/A, Parma I-43124, Italy
| | | | - Daniela Passeri
- TES Pharma, Via P. Togliatti, 20, Loc Taverne, I-06073 Corciano, Italy
| | - Roberto Pellicciari
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, I-06122 Perugia, Italy; TES Pharma, Via P. Togliatti, 20, Loc Taverne, I-06073 Corciano, Italy
| | - Kenneth D R Setchell
- Division of Pathology and Laboratory Medicine, Cincinnati Children's Hospital Medical Center and Department of Pediatrics of the University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| |
Collapse
|
28
|
Orticello M, Fiore M, Totta P, Desideri M, Barisic M, Passeri D, Lenzi J, Rosa A, Orlandi A, Maiato H, Del Bufalo D, Degrassi F. N-terminus-modified Hec1 suppresses tumour growth by interfering with kinetochore-microtubule dynamics. Oncogene 2014; 34:3325-35. [PMID: 25132262 DOI: 10.1038/onc.2014.265] [Citation(s) in RCA: 9] [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] [Received: 12/06/2013] [Revised: 06/11/2014] [Accepted: 07/03/2014] [Indexed: 01/12/2023]
Abstract
Mitotic proteins are attractive targets to develop molecular cancer therapeutics due to the intimate interdependence between cell proliferation and mitosis. In this work, we have explored the therapeutic potential of the kinetochore (KT) protein Hec1 (Highly Expressed in Cancer protein 1) as a molecular target to produce massive chromosome missegregation and cell death in cancer cells. Hec1 is a constituent of the Ndc80 complex, which mediates KT-microtubule (MT) attachments at mitosis and is upregulated in various cancer types. We expressed Hec1 fused with enhanced green fluorescent protein (EGFP) at its N-terminus MT-interaction domain in HeLa cells and showed that expression of this modified Hec1, which localized at KTs, blocked cell proliferation and promoted apoptosis in tumour cells. EGFP-Hec1 was extremely potent in tumour cell killing and more efficient than siRNA-induced Hec1 depletion. In striking contrast, normal cells showed no apparent cell proliferation defects or cell death following EGFP-Hec1 expression. Live-cell imaging demonstrated that cancer cell death was associated with massive chromosome missegregation within multipolar spindles after a prolonged mitotic arrest. Moreover, EGFP-Hec1 expression was found to increase KT-MT attachment stability, providing a molecular explanation for the abnormal spindle architecture and the cytotoxic activity of this modified protein. Consistent with cell culture data, EGFP-Hec1 expression was found to strongly inhibit tumour growth in a mouse xenograft model by disrupting mitosis and inducing multipolar spindles. Taken together, these findings demonstrate that stimulation of massive chromosome segregation defects can be used as an anti-cancer strategy through the activation of mitotic catastrophe after a multipolar mitosis. Importantly, this study represents a clear proof of concept that targeting KT proteins required for proper KT-MT attachment dynamics constitutes a powerful approach in cancer therapy.
Collapse
Affiliation(s)
- M Orticello
- Institute of Biology, Molecular Medicine and Nanobiotechnology, CNR National Research Council, Rome, Italy
| | - M Fiore
- Institute of Biology, Molecular Medicine and Nanobiotechnology, CNR National Research Council, Rome, Italy
| | - P Totta
- Institute of Biology, Molecular Medicine and Nanobiotechnology, CNR National Research Council, Rome, Italy
| | - M Desideri
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, Rome, Italy
| | - M Barisic
- Chromosome Instability and Dynamics Laboratory, Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
| | - D Passeri
- Anatomic Pathology Institute, Tor Vergata University, Rome, Italy
| | - J Lenzi
- Department of Biology and Biotechnology 'Charles Darwin', Sapienza University, Rome, Italy
| | - A Rosa
- Department of Biology and Biotechnology 'Charles Darwin', Sapienza University, Rome, Italy
| | - A Orlandi
- Anatomic Pathology Institute, Tor Vergata University, Rome, Italy
| | - H Maiato
- 1] Chromosome Instability and Dynamics Laboratory, Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal [2] Cell Division Unit, Department of Experimental Biology, Faculdade de Medicina, Universidade do Porto, Porto, Portugal
| | - D Del Bufalo
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, Rome, Italy
| | - F Degrassi
- Institute of Biology, Molecular Medicine and Nanobiotechnology, CNR National Research Council, Rome, Italy
| |
Collapse
|
29
|
Marchand JR, Carotti A, Passeri D, Filipponi P, Liscio P, Camaioni E, Pellicciari R, Gioiello A, Macchiarulo A. Investigating the allosteric reverse signalling of PARP inhibitors with microsecond molecular dynamic simulations and fluorescence anisotropy. Biochim Biophys Acta 2014; 1844:1765-72. [PMID: 25062913 DOI: 10.1016/j.bbapap.2014.07.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Revised: 07/14/2014] [Accepted: 07/15/2014] [Indexed: 12/31/2022]
Abstract
The inhibition of the poly(ADP-ribose) polymerase (PARP) family members is a strategy pursued for the development of novel therapeutic agents in a range of diseases, including stroke, cardiac ischemia, cancer, inflammation and diabetes. Even though some PARP-1 inhibitors have advanced to clinical setting for cancer therapy, a great deal of attention is being devoted to understand the polypharmacology of current PARP inhibitors. Besides blocking the catalytic activity, recent works have shown that some PARP inhibitors exhibit a poisoning activity, by trapping the enzyme at damaged sites of DNA and forming cytotoxic complexes. In this study we have used microsecond molecular dynamics to study the allosteric reverse signalling that is at the basis of such an effect. We show that Olaparib, but not Veliparib and HYDAMTIQ, is able to induce a specific conformational drift of the WGR domain of PARP-1, which stabilizes PARP-1/DNA complex through the locking of several salt bridge interactions. Fluorescence anisotropy assays support such a mechanism, providing the first experimental evidence that HYDAMTIQ, a potent PARP inhibitor with neuroprotective properties, is less potent than Olaparib to trap PARP-1/DNA complex.
Collapse
Affiliation(s)
- Jean-Rémy Marchand
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Perugia, 06123 Perugia, Italy
| | - Andrea Carotti
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Perugia, 06123 Perugia, Italy
| | - Daniela Passeri
- TES Pharma S.r.l. via Palmiro Togliatti 22bis 06073 Loc. Terrioli, Corciano, Perugia, Italy
| | - Paolo Filipponi
- TES Pharma S.r.l. via Palmiro Togliatti 22bis 06073 Loc. Terrioli, Corciano, Perugia, Italy
| | - Paride Liscio
- TES Pharma S.r.l. via Palmiro Togliatti 22bis 06073 Loc. Terrioli, Corciano, Perugia, Italy
| | - Emidio Camaioni
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Perugia, 06123 Perugia, Italy
| | - Roberto Pellicciari
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Perugia, 06123 Perugia, Italy; TES Pharma S.r.l. via Palmiro Togliatti 22bis 06073 Loc. Terrioli, Corciano, Perugia, Italy
| | - Antimo Gioiello
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Perugia, 06123 Perugia, Italy
| | - Antonio Macchiarulo
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Perugia, 06123 Perugia, Italy.
| |
Collapse
|
30
|
Porru M, Artuso S, Bianco A, Franceschin M, Diodoro M, Passeri D, Orlandi A, Biroccio A, Leonetti C. 796: The G-quadruplex ligand EMICORON has antitumoral activity against orthotopic and patient-derived human colon cancer xenografts. Eur J Cancer 2014. [DOI: 10.1016/s0959-8049(14)50701-0] [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: 10/25/2022]
|
31
|
Doldo E, Costanza G, Ferlosio A, Passeri D, Bernardini S, Scioli MG, Mazzaglia D, Agostinelli S, Del Bufalo D, Czernobilsky B, Orlandi A. CRBP-1 expression in ovarian cancer: a potential therapeutic target. Anticancer Res 2014; 34:3303-3312. [PMID: 24982334] [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] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
BACKGROUND/AIM Cellular retinol binding protein-1 regulates retinol bioavailability and contributes to cell differentiation maintenance, but its role in ovarian carcinogenesis remains uncertain. We investigated CRBP-1 expression in ovarian tumors and CRBP-1 signaling-regulated pathways. MATERIALS AND METHODS We performed immunohistochemistry, methylation-specific PCR, gene copy number analysis in ovarian tumors and proliferation/apoptosis evaluation, gene array, blot and real-time PCR in CRBP-1-transfected A2780 ovarian cancer cells. RESULTS CRBP-1 expression was reduced or absent in G2 and G3 ovarian carcinomas. CRBP-1 silencing in 60% of G2 and 66.7% of G3 carcinomas was due to CRBP-1 promoter methylation. A2780 CRBP-1-transfected cells showed increased retinol-induced apoptosis, retinoid-induced reduced clonogenicity and down-regulation of proliferation and transcription genes, including AKT1, AKT3, EGFR, FOS, JUN, STAT1 and STAT5A. CONCLUSION CRBP-1 loss in G2/G3 ovarian carcinomas and increased apoptotic susceptibility to retinoids in CRBP-1-transfected-A2780 cells suggest CRBP-1 screening as a target to ensure efficacy of an adjuvant retinoid therapy.
Collapse
Affiliation(s)
- Elena Doldo
- Anatomic Pathology, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Gaetana Costanza
- Anatomic Pathology, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Amedeo Ferlosio
- Anatomic Pathology, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Daniela Passeri
- Anatomic Pathology, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Sergio Bernardini
- Department of Laboratory Medicine, Tor Vergata University of Rome, Rome, Italy
| | - Maria Giovanna Scioli
- Anatomic Pathology, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Donatella Mazzaglia
- Anatomic Pathology, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Sara Agostinelli
- Anatomic Pathology, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| | - Donatella Del Bufalo
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, Rome, Italy
| | | | - Augusto Orlandi
- Anatomic Pathology, Department of Biomedicine and Prevention, Tor Vergata University of Rome, Rome, Italy
| |
Collapse
|
32
|
Roda A, Pellicciari R, Gioiello A, Neri F, Camborata C, Passeri D, De Franco F, Spinozzi S, Colliva C, Adorini L, Montagnani M, Aldini R. Semisynthetic Bile Acid FXR and TGR5 Agonists: Physicochemical Properties, Pharmacokinetics, and Metabolism in the Rat. J Pharmacol Exp Ther 2014; 350:56-68. [DOI: 10.1124/jpet.114.214650] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
|
33
|
Calzetta L, Passeri D, Kanabar V, Rogliani P, Page C, Cazzola M, Matera MG, Orlandi A. Brain natriuretic peptide protects against hyperresponsiveness of human asthmatic airway smooth muscle via an epithelial cell-dependent mechanism. Am J Respir Cell Mol Biol 2014; 50:493-501. [PMID: 24074453 DOI: 10.1165/rcmb.2013-0119oc] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Brain natriuretic peptide (BNP) relaxes airways by activating natriuretic peptide receptor-A and elevating cyclic guanosine monophosphate. BNP is more effective in passively sensitized human bronchi compared with control airways. The molecular and cellular patterns involved in this signaling are unknown. The aim of this study was to investigate the influence of BNP on airway smooth muscle (ASM) cells obtained from donors with asthma and healthy donors and to identify the mechanisms involved in BNP-mediated relaxation. The contractile response of ASM cells was microscopically assessed in vitro in the presence of 1 μM BNP or with supernatant from human bronchial epithelial (BEAS-2B) cells pretreated with 1 μM BNP. We investigated the role of muscarinic M2 receptors and inducible nitric oxide synthase (iNOS), quantified the release of acetylcholine and nitric oxide (NO), and assessed the gene/protein expression of iNOS and myosin phosphatase target subunit 1 (MYPT1). Supernatant from BEAS-2B cells treated with BNP reduced the hyperreactivity of asthmatic ASM cells by shifting the potency of histamine by 1.19-fold but had no effect in healthy ASM cells. BNP was not effective directly on ASM cells. Blocking muscarinic M2-receptors and iNOS abolished the protective role of supernatant from BEAS-2B treated with BNP. BNP stimulated the release of acetylcholine (210.7 ± 11.1%) from BEAS-2B cells that in turn increased MYPT1 and iNOS gene/protein expression and enhanced NO levels in asthmatic ASM supernatant (35.0 ± 13.0%). This study provides evidence that BNP protects against bronchial hyperresponsiveness via an interaction between respiratory epithelium and ASM in subjects with asthma.
Collapse
Affiliation(s)
- Luigino Calzetta
- 1 Department of Pulmonary Rehabilitation, San Raffaele Pisana Hospital, IRCCS, Rome, Italy
| | | | | | | | | | | | | | | |
Collapse
|
34
|
Servoli L, Biasini M, Bissi L, Calandra A, Checcucci B, Chiocchini S, Cicioni R, Conti E, Di Lorenzo R, Dipilato A, Forini N, Magalotti D, Maselli A, Paolucci M, Passeri D, Pentiricci A, Placidi P, Scarpignato M, Scorzoni A. 179: Characterization of wireless personal dosimeter prototype for Interventional Radiology medical operators. Radiother Oncol 2014. [DOI: 10.1016/s0167-8140(15)34200-6] [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: 11/17/2022]
|
35
|
Pantanella F, Valenti P, Natalizi T, Passeri D, Berlutti F. Analytical techniques to study microbial biofilm on abiotic surfaces: pros and cons of the main techniques currently in use. Ann Ig 2013; 25:31-42. [PMID: 23435778 DOI: 10.7416/ai.2013.1904] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Biofilm is a bacterial lifestyle widespread in microbial world and represents a concern in health care. Despite the great life expectancy related to advanced health care, the increasing numbers of biofilm-mediated infections remain a significant public health challenge. Moreover, the problem of biofilm-mediated infections becomes much more severe when biofilm colonizes medical devices and biomaterials. The public health risk due to microbial biofilm-related infections is a concern that requires full attention. However, the complexity of biofilm makes difficult its exhaustive analysis. Although biofilm represents a major challenge in both microbiological and hygiene areas, at now methods aimed to analyse biofilm formation and development are not standardized yet. Different methods have been employed to qualitatively and quantitatively evaluate biofilm each of which is useful to estimate a peculiar aspect of biofilm lifestyle. In the present review, fifteen assays for the qualitative and quantitative evaluation of bacterial biofilm colonizing abiotic substrates, such as medical devices, prosthesis or surfaces for food production together with advantages and limitations of each method were described and compared. Some methods are suited to quantify biofilm matrix while others are capable to evaluate both living and dead cells or quantify exclusively viable cells in biofilm. In particular, colorimetric methods to evaluate biofilm matrix (crystal violet; 1,9-dimethyl methylen blue and fluorescein-di-acetate methods) or viable cells (LIVE/DEAD BacLight, BioTimer Assay, resazurin, tetrazolium hydroxide salt methods) and genetic methods to estimate the bacterial population (PCR and FISH) are reported. Moreover, a section is dedicated to examine the performances of advanced microscopic techniques employed to study microbial biofilms (mass spectrometry; confocal laser scanning microscopy; Raman spectroscopy and electron microscopy). Because of its complexity, an exhaustive study of biofilm requires a combination of different experimental approaches as biochemical, genetic or physical ones.
Collapse
Affiliation(s)
- F Pantanella
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Italy.
| | | | | | | | | |
Collapse
|
36
|
Gabellini C, De Luca T, Trisciuoglio D, Desideri M, Di Martile M, Passeri D, Candiloro A, Biffoni M, Rizzo MG, Orlandi A, Del Bufalo D. BH4 domain of bcl-2 protein is required for its proangiogenic function under hypoxic condition. Carcinogenesis 2013; 34:2558-67. [PMID: 23836782 DOI: 10.1093/carcin/bgt242] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Beyond its classical role as apoptosis inhibitor, bcl-2 protein promotes tumor angiogenesis and the removal of N-terminal bcl-2 homology (BH4) domain abrogates bcl-2-induced hypoxia-inducible factor 1 (HIF-1)-mediated vascular endothelial growth factor (VEGF) expression in hypoxic cancer cells. Using M14 human melanoma cell line and its derivative clones stably overexpressing bcl-2 wild-type or deleted of its BH4 domain, we found that conditioned media (CM) from cells expressing BH4-deleted bcl-2 protein showed a reduced capability to increase in vitro human endothelial cells proliferation and differentiation, and in vivo neovascularization compared with CM from cells overexpressing wild-type bcl-2. Moreover, xenografts derived from cells expressing bcl-2 lacking BH4 domain showed a reduction of metastatic potential compared with tumors derived from wild-type bcl-2 transfectants injection. Stably expressing the Flag-tagged N-terminal sequence of bcl-2 protein, encompassing BH4 domain, we found that this domain is sufficient to enhance the proangiogenic HIF-1/VEGF axis under hypoxic condition. Indeed, lacking of BH4 domain abolishes the interaction between bcl-2 and HIF-1α proteins and the capability of exogenous bcl-2 protein to localize in the nucleus. Moreover, when endoplasmic reticulum-targeted bcl-2 protein is overexpressed in cells, this protein lost the capability to synergize with hypoxia to induce the proangiogenic HIF-1/VEGF axis as shown by wild-type bcl-2 protein. These results demonstrate that BH4 domain of bcl-2 is required for the ability of this protein to increase tumor angiogenesis and progression and indicate that bcl-2 nuclear localization may be required for bcl-2-mediated induction of HIF-1/VEGF axis.
Collapse
Affiliation(s)
- Chiara Gabellini
- Experimental Chemotherapy Laboratory, Regina Elena National Cancer Institute, Rome 00158, Italy
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
37
|
Passeri D, Rossi M, Vlassak J. On the tip calibration for accurate modulus measurement by contact resonance atomic force microscopy. Ultramicroscopy 2013; 128:32-41. [DOI: 10.1016/j.ultramic.2013.02.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2012] [Revised: 01/22/2013] [Accepted: 02/04/2013] [Indexed: 11/28/2022]
|
38
|
Matera MG, Calzetta L, Passeri D, Rogliani P, Orlandi A. Epithelial-smooth muscle cooperation is needed for brain natriuretic peptide-dependent bronchorelaxant activity. Pulm Pharmacol Ther 2012; 26:156-7. [PMID: 23006829 DOI: 10.1016/j.pupt.2012.09.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Accepted: 09/11/2012] [Indexed: 12/28/2022]
|
39
|
Cassinelli G, Zuco V, Petrangolini G, De Cesare M, Tortoreto M, Lanzi C, Cominetti D, Zaffaroni N, Orlandi A, Passeri D, Meco D, Di Francesco AM, Riccardi R, Bucci F, Pisano C, Zunino F. The curative efficacy of namitecan (ST1968) in preclinical models of pediatric sarcoma is associated with antiangiogenic effects. Biochem Pharmacol 2012; 84:163-71. [DOI: 10.1016/j.bcp.2012.04.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2012] [Revised: 04/02/2012] [Accepted: 04/05/2012] [Indexed: 10/28/2022]
|
40
|
Marinozzi M, Carotti A, Sansone E, Macchiarulo A, Rosatelli E, Sardella R, Natalini B, Rizzo G, Adorini L, Passeri D, De Franco F, Pruzanski M, Pellicciari R. Pyrazole[3,4-e][1,4]thiazepin-7-one derivatives as a novel class of Farnesoid X Receptor (FXR) agonists. Bioorg Med Chem 2012; 20:3429-45. [DOI: 10.1016/j.bmc.2012.04.021] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Revised: 04/02/2012] [Accepted: 04/07/2012] [Indexed: 02/01/2023]
|
41
|
Servoli L, Biasini M, Placidi P, Passeri D, Fano L, Checcucci B. 114 CMOS IMAGERS AS DOSIMETRIC DEVICES IN INTERVENTIONAL RADIOLOGY PROCEDURES. Radiother Oncol 2012. [DOI: 10.1016/s0167-8140(12)70087-7] [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: 10/28/2022]
|
42
|
Matera MG, Calzetta L, Passeri D, Facciolo F, Rendina EA, Page C, Cazzola M, Orlandi A. Epithelium integrity is crucial for the relaxant activity of brain natriuretic peptide in human isolated bronchi. Br J Pharmacol 2012; 163:1740-54. [PMID: 21410689 DOI: 10.1111/j.1476-5381.2011.01339.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND AND PURPOSE Brain natriuretic peptide (BNP) plays an important role in several biological functions, including bronchial relaxation. Here, we have investigated the role of BNP and its cognate receptors in human bronchial tone. EXPERIMENTAL APPROACH Effects of BNP on responses to carbachol and histamine were evaluated in non-sensitized, passively sensitized, epithelium-intact or denuded isolated bronchi and in the presence of methoctramine, N(ω) -nitro-L-arginine methyl ester (L-NAME) and aminoguanidine. Natriuretic peptide receptors (NPRs) were investigated by immunohistochemistry, RT-PCR and real-time PCR. Release of NO and acetylcholine from bronchial tissues and cultured BEAS-2B bronchial epithelial cells was also investigated. KEY RESULTS BNP reduced contractions mediated by carbachol and histamine, with decreased E(max) (carbachol: 22.7 ± 4.7%; histamine: 59.3 ± 1.8%) and increased EC(50) (carbachol: control 3.33 ± 0.88 µM, BNP 100 ± 52.9 µM; histamine: control 16.7 ± 1.7 µM, BNP 90 ± 30.6 µM); BNP was ineffective in epithelium-denuded bronchi. Among NPRs, only atrial NPR (NPR1) transcripts were detected in bronchial tissue. Bronchial NPR1 immunoreactivity was detected in epithelium and inflammatory cells but faint or absent in airway smooth muscle cells. NPR1 transcripts in bronchi increased after incubation with BNP, but not after sensitization. Methoctramine and quinine abolished BNP-induced relaxant activity. The latter was associated with increased bronchial mRNA for NO synthase and NO release, inhibited by L-NAME and aminoguanidine. In vitro, BNP increased acetylcholine release from bronchial epithelial cells, whereas NO release was unchanged. CONCLUSIONS AND IMPLICATIONS Epithelial cells mediate the BNP-induced relaxant activity in human isolated bronchi.
Collapse
Affiliation(s)
- Maria G Matera
- Unit of Pharmacology, Department of Experimental Medicine, Second University of Naples, Naples, Italy
| | | | | | | | | | | | | | | |
Collapse
|
43
|
Ciuffreda L, Di Sanza C, Cesta Incani U, Eramo A, Desideri M, Biagioni F, Passeri D, Falcone I, Sette G, Bergamo P, Anichini A, Sabapathy K, McCubrey JA, Ricciardi MR, Tafuri A, Blandino G, Orlandi A, De Maria R, Cognetti F, Del Bufalo D, Milella M. The mitogen-activated protein kinase (MAPK) cascade controls phosphatase and tensin homolog (PTEN) expression through multiple mechanisms. J Mol Med (Berl) 2012; 90:667-79. [DOI: 10.1007/s00109-011-0844-1] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Revised: 11/16/2011] [Accepted: 11/17/2011] [Indexed: 10/14/2022]
|
44
|
Pisano C, Cassinelli G, Zuco V, Petrangolini G, De Cesare M, Tortoreto M, Lanzi C, Orlandi A, Passeri D, Meco D, Di Francesco AM, Riccardi R, Bucci F, Zunino F. Abstract C206: High antitumor complete response rate to Namitecan (ST1968) in preclinical model of pediatric sarcomas. Mol Cancer Ther 2011. [DOI: 10.1158/1535-7163.targ-11-c206] [Citation(s) in RCA: 0] [Impact Index Per Article: 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
Abstract
Namitecan (ST1968), a new water-soluble camptothecin analogues, exhibits an improved pharmacological profile over conventional camptothecins. This molecule was selected for clinical development on the basis of preclinical evidence of superior efficacy than Topotecan or irinotecan and of its favorable therapeutic index. Namitecan has shown an high rate of sustained disease control in patients with solid tumors in Phase I, as predicted by preclinical data. Given the interest for the irinotecan treatment of pediatric tumors, this study was designed to explore the efficacy of Namitecan in preclinical models of pediatric sarcomas (TC-71, RH30, RD/TE671, A204 and U2OS cell lines). Namitecan showed an impressive antitumor efficacy in 4/5 of the tested xenograft sarcoma models at doses ranging 15–30 mg/kg given i.v. in a q4d×3w, as documented by the rate of complete tumor regression without evidence of tumor regrowth at the end of the experiments (around 120 days).
The outstanding Namitecan activity against pediatric sarcoma xenografts is emphasized by the observation that complete tumor regression could be achieved also by the dose of 15 mg/kg (i.e., ½ MTD) allowing the use of well-tolerated effective doses in clinical therapy. Moreover, the i.v. administration of Namitecan resulted in a high and persistent drug accumulation in TC-71 tumor xenograft, which could account for the good therapeutic index.
Since no correlation could be found between in vitro growth inhibitory activity and in vivo antitumor efficacy, it is likely that other in vivo effects may contribute to the drug antitumor efficacy. Indeed, in the RD/TE671 rhabdomyosarcoma model, we found that Namitecan activity was associated with a marked antiangiogenic effect, which was consistent with the down regulation of proangiogenic factors, including VEGF, bFGF and CCL-2, an angiogenesis chemokine mediator. Furthermore, we found that HIF-1α expression is strongly down regulated in our cellular models following treatment with Namitecan. These findings are in line with a supposed antiangiogenic activity of camptothecins likely to affect proliferation and migration of endothelial cells and down regulation of angiogenic factors and the known ability of Topoisomerase I inhibitors to inhibit the translation of HIF-1α protein which is a transcriptional activator of VEGF.
In conclusion, the available evidence supports that inhibition of angiogenesis contributes to the responsiveness of pediatric sarcomas to Namitecan, according to the role of angiogenesis in malignant behavior of these tumor types. Thus, the impressive efficacy of Namitecan against pediatric sarcoma may reflect: i) direct cytotoxic effects on tumor cells, as a result of persistent tumor accumulation of the drug and high topo I expression, ii) inhibition of angiogenesis and iii) a favorable in vivo drug distribution.
Citation Format: {Authors}. {Abstract title} [abstract]. In: Proceedings of the AACR-NCI-EORTC International Conference: Molecular Targets and Cancer Therapeutics; 2011 Nov 12-16; San Francisco, CA. Philadelphia (PA): AACR; Mol Cancer Ther 2011;10(11 Suppl):Abstract nr C206.
Collapse
Affiliation(s)
- Claudio Pisano
- 1Sigma-Tau Sp.A., Industrie Pharma. Riunite, Pomezia, Italy
| | | | - Valentina Zuco
- 2Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | | | | | | | - Cinzia Lanzi
- 2Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | | | | | | | | | | | - Federica Bucci
- 1Sigma-Tau Sp.A., Industrie Pharma. Riunite, Pomezia, Italy
| | - Franco Zunino
- 2Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| |
Collapse
|
45
|
Paolucci M, Battisti D, Biasini M, Checcucci B, Di Lorenzo R, Esposito A, Fanò L, Passeri D, Placidi P, Servoli L. A real time active pixel dosimeter for interventional radiology. RADIAT MEAS 2011. [DOI: 10.1016/j.radmeas.2011.07.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
46
|
Biroccio A, Porru M, Rizzo A, Salvati E, D'Angelo C, Orlandi A, Passeri D, Franceschin M, Stevens MFG, Gilson E, Beretta G, Zupi G, Pisano C, Zunino F, Leonetti C. DNA damage persistence as determinant of tumor sensitivity to the combination of Topo I inhibitors and telomere-targeting agents. Clin Cancer Res 2011; 17:2227-36. [PMID: 21355072 DOI: 10.1158/1078-0432.ccr-10-3033] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [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
PURPOSE We previously reported that the G-quadruplex (G4) ligand RHPS4 potentiates the antitumor activity of camptothecins both in vitro and in tumor xenografts. The present study aims at investigating the mechanisms involved in this specific drug interaction. EXPERIMENTAL DESIGN Combination index test was used to evaluate the interaction between G4 ligands and standard or novel Topo I inhibitors. Chromatin immunoprecipitation was performed to study the presence at telomeres of various types of topisomerase, while immunolabeling experiments were performed to measure the activation of DNA damage both in vitro and in tumor xenografts. RESULTS We report that integration of the Topo I inhibitor SN-38, but not the Topo II poison doxorubicin with telomere-based therapy is strongly effective and the sequence of drug administration is critical in determining the synergistic interaction, impairing the cell ability to recover from drug-induced cytotoxicity. The synergistic effect of this combination was also observed by using novel camptothecins and, more interestingly, mice treated with ST1481/RHPS4 combination showed an inhibition and delay of tumor growth as well as an increased survival. The study of the mechanism(s) revealed that treatment with G4 ligands increased Topo I at the telomeres and the functional relevance of this observation was directly assessed by showing that standard and novel camptothecins stabilized DNA damage both in vitro and in xenografts. CONCLUSIONS Our results demonstrate an outstanding efficacy of Topo I inhibitors/G4 ligands combination, which likely reflects an enhanced and persistent activation of DNA damage response as a critical determinant of the therapeutic improvement.
Collapse
Affiliation(s)
- Annamaria Biroccio
- Experimental Chemotherapy Laboratory, Regina Elena Cancer Institute, Tor Vergata University, Rome, Italy.
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
47
|
Alippi A, Bettucci A, Biagioni A, D'Orazio A, Germano M, Passeri D. Photoacoustic cell for ultrasound contrast agent characterization. Rev Sci Instrum 2010; 81:104903. [PMID: 21034110 DOI: 10.1063/1.3480545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Photoacoustics has emerged as a tool for the study of liquid gel suspension behavior and has been recently employed in a number of new biomedical applications. In this paper, a photoacoustic sensor is presented which was designed and realized for analyzing photothermal signals from solutions filled with microbubbles, commonly used as ultrasound contrast agents in echographic imaging techniques. It is a closed cell device, where photothermal volume variation of an aqueous solution produces the periodic deflection of a thin membrane closing the cell at the end of a short pipe. The cell then acts as a Helmholtz resonator, where the displacement of the membrane is measured through a laser probe interferometer, whereas photoacoustic signal is generated by a laser chopped light beam impinging onto the solution through a glass window. Particularly, the microbubble shell has been modeled through an effective surface tension parameter, which has been then evaluated from experimental data through the shift of the resonance frequencies of the photoacoustic sensor. This shift of the resonance frequencies of the photoacoustic sensor caused by microbubble solutions is high enough for making such a cell a reliable tool for testing ultrasound contrast agent, particularly for bubble shell characterization.
Collapse
Affiliation(s)
- A Alippi
- Dipartimento di Scienze di Base e Applicate per l'Ingegneria, Sapienza, Università di Roma, Via A. Scarpa 16, 00161 Roma, Italy
| | | | | | | | | | | |
Collapse
|
48
|
Ulivi P, Arienti C, Zoli W, Scarsella M, Carloni S, Fabbri F, Tesei A, Chiadini E, Orlandi A, Passeri D, Zupi G, Milandri C, Silvestrini R, Amadori D, Leonetti C. In Vitro and In Vivo Antitumor Efficacy of Docetaxel and Sorafenib Combination in Human Pancreatic Cancer Cells. Curr Cancer Drug Targets 2010; 10:600-10. [DOI: 10.2174/156800910791859489] [Citation(s) in RCA: 11] [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] [Received: 10/12/2009] [Accepted: 05/04/2010] [Indexed: 11/22/2022]
|
49
|
Salvati E, Scarsella M, Porru M, Rizzo A, Iachettini S, Tentori L, Graziani G, D'Incalci M, Stevens MFG, Orlandi A, Passeri D, Gilson E, Zupi G, Leonetti C, Biroccio A. PARP1 is activated at telomeres upon G4 stabilization: possible target for telomere-based therapy. Oncogene 2010; 29:6280-93. [DOI: 10.1038/onc.2010.344] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
50
|
Rizzo G, Passeri D, De Franco F, Ciaccioli G, Donadio L, Rizzo G, Orlandi S, Sadeghpour B, Wang XX, Jiang T, Levi M, Pruzanski M, Adorini L. Functional characterization of the semisynthetic bile acid derivative INT-767, a dual farnesoid X receptor and TGR5 agonist. Mol Pharmacol 2010; 78:617-30. [PMID: 20631053 DOI: 10.1124/mol.110.064501] [Citation(s) in RCA: 147] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Two dedicated receptors for bile acids (BAs) have been identified, the nuclear hormone receptor farnesoid X receptor (FXR) and the G protein-coupled receptor TGR5, which represent attractive targets for the treatment of metabolic and chronic liver diseases. Previous work characterized 6α-ethyl-3α,7α-dihydroxy-5β-cholan-24-oic acid (INT-747), a potent and selective FXR agonist, as well as 6α-ethyl-23(S)-methyl-3α,7α,12α-trihydroxy-5β-cholan-24-oic acid (INT-777), a potent and selective TGR5 agonist. Here we characterize 6α-ethyl-3α,7α,23-trihydroxy-24-nor-5β-cholan-23-sulfate sodium salt (INT-767), a novel semisynthetic 23-sulfate derivative of INT-747. INT-767 is a potent agonist for both FXR (mean EC(50), 30 nM by PerkinElmer AlphaScreen assay) and TGR5 (mean EC(50), 630 nM by time resolved-fluorescence resonance energy transfer), the first compound described so far to potently and selectively activate both BA receptors. INT-767 does not show cytotoxic effects in HepG2 cells, does not inhibit cytochrome P450 enzymes, is highly stable to phase I and II enzymatic modifications, and does not inhibit the human ether-a-go-go-related gene potassium channel. In line with its dual activity, INT-767 induces FXR-dependent lipid uptake by adipocytes, with the beneficial effect of shuttling lipids from central hepatic to peripheral fat storage, and promotes TGR5-dependent glucagon-like peptide-1 secretion by enteroendocrine cells, a validated target in the treatment of type 2 diabetes. Moreover, INT-767 treatment markedly decreases cholesterol and triglyceride levels in diabetic db/db mice and in mice rendered diabetic by streptozotocin administration. Collectively, these preclinical results indicate that INT-767 is a safe and effective modulator of FXR and TGR5-dependent pathways, suggesting potential clinical applications in the treatment of liver and metabolic diseases.
Collapse
Affiliation(s)
- Giovanni Rizzo
- Intercept Pharmaceuticals Italia Srl, Via Togliatti, 06073, Corciano, Perugia, Italia.
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|