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Palumbo FS, Fiorica C, Carreca AP, Iannolo G, Pitarresi G, Amico G, Giammona G, Conaldi PG, Chinnici CM. Modulating the release of bioactive molecules of human mesenchymal stromal cell secretome: Heparinization of hyaluronic acid-based hydrogels. Int J Pharm 2024; 653:123904. [PMID: 38355074 DOI: 10.1016/j.ijpharm.2024.123904] [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: 11/21/2023] [Revised: 02/09/2024] [Accepted: 02/10/2024] [Indexed: 02/16/2024]
Abstract
An amine derivative of hyaluronic acid (HA) was crosslinked to obtain a 3D dried sponge. The sponge was subsequently rehydrated using secretome from human mesenchymal stromal cells (MSCs), resulting in the formation of a hydrogel. The release kinetics analysis demonstrated that the hydrogel effectively sustained secretome release, with 70% of the initially loaded wound-healing-associated cytokines being released over a 12-day period. Tuning the hydrogel properties through heparin crosslinking resulted in a biomaterial with a distinct mechanism of action. Specifically, the presence of heparin enhanced water uptake capacity of the hydrogel and increased its sensitivity to enzymatic degradation. Notably, the heparin crosslinking also led to a significant retention of cytokines within the hydrogel matrix. Overall, the secretome-rehydrated HA hydrogel holds promise as a versatile device for regenerative medicine applications: the non-heparinized hydrogel may function as a biomaterial with low reabsorption rates, sustaining the release of bioactive molecules contained in MSC secretome. In contrast, the heparinized hydrogel may serve as a depot of bioactive molecules with faster reabsorption rates. Given its patch-like characteristic, the HA-based hydrogel appears suitable as topical treatment for external organs, such as the skin.
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Affiliation(s)
- Fabio Salvatore Palumbo
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Calogero Fiorica
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Anna Paola Carreca
- Regenerative Medicine and Immunotherapy Unit, Fondazione Ri.MED c/o IRCCS ISMETT, via E. Tricomi 5, 90127 Palermo, Italy
| | - Gioacchin Iannolo
- Department of Research, IRCCS ISMETT, via E. Tricomi 5, 90127 Palermo, Italy
| | - Giovanna Pitarresi
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Giandomenico Amico
- Regenerative Medicine and Immunotherapy Unit, Fondazione Ri.MED c/o IRCCS ISMETT, via E. Tricomi 5, 90127 Palermo, Italy
| | - Gaetano Giammona
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Pier Giulio Conaldi
- Department of Research, IRCCS ISMETT, via E. Tricomi 5, 90127 Palermo, Italy
| | - Cinzia Maria Chinnici
- Cell Therapy Group, Fondazione R.MED c/o IRCCS ISMETT, via E. Tricomi 5, 90127 Palermo, Italy.
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Pampalone M, Cuscino N, Iannolo G, Amico G, Ricordi C, Vitale G, Carcione C, Castelbuono S, Scilabra SD, Coronnello C, Gruttadauria S, Pietrosi G. Human Amniotic MSC Response in LPS-Stimulated Ascites from Patients with Cirrhosis: FOXO1 Gene and Th17 Activation in Enhanced Antibacterial Activation. Int J Mol Sci 2024; 25:2801. [PMID: 38474048 DOI: 10.3390/ijms25052801] [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: 01/12/2024] [Revised: 02/22/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
Spontaneous bacterial peritonitis (SBP) is a severe complication in patients with decompensated liver cirrhosis and is commonly treated with broad spectrum antibiotics. However, the rise of antibiotic resistance requires alternative therapeutic strategies. As recently shown, human amnion-derived mesenchymal stem cells (hA-MSCs) are able, in vitro, to promote bacterial clearance and modulate the immune and inflammatory response in SBP. Our results highlight the upregulation of FOXO1, CXCL5, CXCL6, CCL20, and MAPK13 in hA-MSCs as well as the promotion of bacterial clearance, prompting a shift in the immune response toward a Th17 lymphocyte phenotype after 72 h treatment. In this study, we used an in vitro SBP model and employed omics techniques (next-generation sequencing) to investigate the mechanisms by which hA-MSCs modify the crosstalk between immune cells in LPS-stimulated ascitic fluid. We also validated the data obtained via qRT-PCR, cytofluorimetric analysis, and Luminex assay. These findings provide further support to the hope of using hA-MSCs for the prevention and treatment of infective diseases, such as SBP, offering a viable alternative to antibiotic therapy.
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Affiliation(s)
- Mariangela Pampalone
- Ri.MED Foundation, 90127 Palermo, Italy
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | - Nicola Cuscino
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | - Gioacchin Iannolo
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | - Giandomenico Amico
- Ri.MED Foundation, 90127 Palermo, Italy
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | - Camillo Ricordi
- Cell Transplant Center, Diabetes Research Institute (DRI), University of Miami Miller School of Medicine, 1450 NW 10th Ave, Miami, FL 33136, USA
| | | | | | - Salvatore Castelbuono
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | - Simone Dario Scilabra
- Ri.MED Foundation, 90127 Palermo, Italy
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | | | - Salvatore Gruttadauria
- Department for the Treatment and Study of Abdominal Disease and Abdominal Transplantation, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), UPMCI (University of Pittsburgh Medical Center Italy), 90127 Palermo, Italy
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, 95124 Catania, Italy
| | - Giada Pietrosi
- Department for the Treatment and Study of Abdominal Disease and Abdominal Transplantation, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), UPMCI (University of Pittsburgh Medical Center Italy), 90127 Palermo, Italy
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3
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Cocco MM, Carcione C, Miceli V, Tinnirello R, Chinnici CM, Carbone C, Zito G, Conaldi PG, Iannolo G. Oncolytic Effect of Zika Virus in Neuroendocrine Pancreatic Tumors: New Perspectives for Therapeutic Approaches. Int J Mol Sci 2023; 24:17271. [PMID: 38139100 PMCID: PMC10743494 DOI: 10.3390/ijms242417271] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 11/30/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
Pancreatic cancer (PCa) is the fifth leading cause of cancer mortality. Recently, our group and others have demonstrated the oncolytic activity of the Zika virus (ZIKV) against glioblastoma. The peculiar features of this virus offer the opportunity to use an agent already tested in vivo through natural transmission, with minimal effects on adults, to specifically target a tumor such as glioblastoma. This remarkable specificity prompted us to explore the potential use of ZIKV oncolytic action against other tumor types. In particular, we focused on the subgroup of pancreatic tumors with a neuroendocrine origin known as neuroendocrine tumors (NETs). We found that ZIKV exerts its oncolytic activity by specifically infecting NET cells, leading to growth inhibition and cell death. We also assessed whether the oncolytic action could be extended to pancreatic tumors different from NETs. However, as expected, the viral specificity is limited to NETs and is not applicable to adenocarcinoma tumors, indicating a narrow spectrum of action for this virus. These findings support the potential use of ZIKV in therapeutic approaches not only in glioblastoma, but also against other tumors, such as neuroendocrine pancreatic tumors.
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Affiliation(s)
- Martina Maria Cocco
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (M.M.C.); (V.M.); (R.T.); (C.M.C.); (G.Z.); (P.G.C.)
| | | | - Vitale Miceli
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (M.M.C.); (V.M.); (R.T.); (C.M.C.); (G.Z.); (P.G.C.)
| | - Rosaria Tinnirello
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (M.M.C.); (V.M.); (R.T.); (C.M.C.); (G.Z.); (P.G.C.)
| | - Cinzia Maria Chinnici
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (M.M.C.); (V.M.); (R.T.); (C.M.C.); (G.Z.); (P.G.C.)
- Fondazione Ri.MED, 90133 Palermo, Italy;
| | - Carmine Carbone
- Medical Oncology, Fondazione Policlinico Universitario Agostino Gemelli, IRCCS, 00168 Rome, Italy;
| | - Giovanni Zito
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (M.M.C.); (V.M.); (R.T.); (C.M.C.); (G.Z.); (P.G.C.)
| | - Pier Giulio Conaldi
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (M.M.C.); (V.M.); (R.T.); (C.M.C.); (G.Z.); (P.G.C.)
| | - Gioacchin Iannolo
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (M.M.C.); (V.M.); (R.T.); (C.M.C.); (G.Z.); (P.G.C.)
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Tinnirello R, Chinnici CM, Miceli V, Busà R, Bulati M, Gallo A, Zito G, Conaldi PG, Iannolo G. Two Sides of The Same Coin: Normal and Tumoral Stem Cells, The Relevance of In Vitro Models and Therapeutic Approaches: The Experience with Zika Virus in Nervous System Development and Glioblastoma Treatment. Int J Mol Sci 2023; 24:13550. [PMID: 37686355 PMCID: PMC10487988 DOI: 10.3390/ijms241713550] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/29/2023] [Accepted: 08/30/2023] [Indexed: 09/10/2023] Open
Abstract
Neural stem cells (NSCs) were described for the first time more than two decades ago for their ability to differentiate into all neural cell lineages. The isolation of NSCs from adults and embryos was carried out by various laboratories and in different species, from mice to humans. Similarly, no more than two decades ago, cancer stem cells were described. Cancer stem cells, previously identified in hematological malignancies, have now been isolated from several solid tumors (breast, brain, and gastrointestinal compartment). Though the origin of these cells is still unknown, there is a wide consensus about their role in tumor onset, propagation and, in particular, resistance to treatments. Normal and neoplastic neural stem cells share common characteristics, and can thus be considered as two sides of the same coin. This is particularly true in the case of the Zika virus (ZIKV), which has been described as an inhibitor of neural development by specifically targeting NSCs. This understanding prompted us and other groups to evaluate ZIKV action in glioblastoma stem cells (GSCs). The results indicate an oncolytic activity of this virus vs. GSCs, opening potentially new possibilities in glioblastoma treatment.
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Affiliation(s)
- Rosaria Tinnirello
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (R.T.); (C.M.C.); (V.M.); (R.B.); (M.B.); (A.G.); (G.Z.); (P.G.C.)
| | - Cinzia Maria Chinnici
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (R.T.); (C.M.C.); (V.M.); (R.B.); (M.B.); (A.G.); (G.Z.); (P.G.C.)
- Regenerative Medicine and Immunotherapy Area, Fondazione Ri.MED c/o IRCCS ISMETT, 90127 Palermo, Italy
| | - Vitale Miceli
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (R.T.); (C.M.C.); (V.M.); (R.B.); (M.B.); (A.G.); (G.Z.); (P.G.C.)
| | - Rosalia Busà
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (R.T.); (C.M.C.); (V.M.); (R.B.); (M.B.); (A.G.); (G.Z.); (P.G.C.)
| | - Matteo Bulati
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (R.T.); (C.M.C.); (V.M.); (R.B.); (M.B.); (A.G.); (G.Z.); (P.G.C.)
| | - Alessia Gallo
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (R.T.); (C.M.C.); (V.M.); (R.B.); (M.B.); (A.G.); (G.Z.); (P.G.C.)
| | - Giovanni Zito
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (R.T.); (C.M.C.); (V.M.); (R.B.); (M.B.); (A.G.); (G.Z.); (P.G.C.)
| | - Pier Giulio Conaldi
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (R.T.); (C.M.C.); (V.M.); (R.B.); (M.B.); (A.G.); (G.Z.); (P.G.C.)
| | - Gioacchin Iannolo
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Via E. Tricomi 5, 90127 Palermo, Italy; (R.T.); (C.M.C.); (V.M.); (R.B.); (M.B.); (A.G.); (G.Z.); (P.G.C.)
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Lo Re V, Russelli G, Lo Gerfo E, Alduino R, Bulati M, Iannolo G, Terzo D, Martucci G, Anzani S, Panarello G, Sparacia G, Parla G, Avorio F, Raffa G, Pilato M, Speciale A, Agnese V, Mamone G, Tuzzolino F, Vizzini GB, Conaldi PG, Ambrosio F. Cognitive outcomes in patients treated with neuromuscular electrical stimulation after coronary artery bypass grafting. Front Neurol 2023; 14:1209905. [PMID: 37693766 PMCID: PMC10486105 DOI: 10.3389/fneur.2023.1209905] [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: 04/24/2023] [Accepted: 08/14/2023] [Indexed: 09/12/2023] Open
Abstract
Objective Mechanisms of neurocognitive injury as post-operative sequelae of coronary artery bypass grafting (CABG) are not understood. The systemic inflammatory response to surgical stress causes skeletal muscle impairment, and this is also worsened by immobility. Since evidence supports a link between muscle vitality and neuroprotection, there is a need to understand the mechanisms by which promotion of muscle activity counteracts the deleterious effects of surgery on long-term cognition. Methods We performed a clinical trial to test the hypothesis that adding neuromuscular electrical stimulation (NMES) to standard rehabilitation care in post-CABG patients promotes the maintenance of skeletal muscle strength and the expression of circulating neuroprotective myokines. Results We did not find higher serum levels of neuroprotective myokines, except for interleukin-6, nor better long-term cognitive performance in our intervention group. However, a greater increase in functional connectivity at brain magnetic resonance was seen between seed regions within the default mode, frontoparietal, salience, and sensorimotor networks in the NMES group. Regardless of the treatment protocol, patients with a Klotho increase 3 months after hospital discharge compared to baseline Klotho values showed better scores in delayed memory tests. Significance We confirm the potential neuroprotective effect of Klotho in a clinical setting and for the first time post-CABG.
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Affiliation(s)
- Vincenzina Lo Re
- Neurology Service, Department of Diagnostic and Therapeutic Services, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), University of Pittsburgh Medical Center (UPMC), Palermo, Italy
| | | | - Emanuele Lo Gerfo
- Neurology Service, Department of Diagnostic and Therapeutic Services, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), University of Pittsburgh Medical Center (UPMC), Palermo, Italy
- Department of Research, IRCCS ISMETT, UPMC, Palermo, Italy
| | | | - Matteo Bulati
- Department of Research, IRCCS ISMETT, UPMC, Palermo, Italy
| | | | - Danilo Terzo
- Rehabilitation Service, IRCCS ISMETT, Palermo, Italy
| | - Gennaro Martucci
- Department of Anesthesiology and Intensive Care, IRCCS ISMETT, UPMC, Palermo, Italy
| | - Stefano Anzani
- Neurology Service, Department of Diagnostic and Therapeutic Services, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), University of Pittsburgh Medical Center (UPMC), Palermo, Italy
- Department of Research, IRCCS ISMETT, UPMC, Palermo, Italy
| | - Giovanna Panarello
- Department of Anesthesiology and Intensive Care, IRCCS ISMETT, UPMC, Palermo, Italy
| | - Gianvincenzo Sparacia
- Radiology Unit, Department of Diagnostic and Therapeutic Services, IRCCS ISMETT, Palermo, Italy
| | - Giuseppe Parla
- Radiology Unit, Department of Diagnostic and Therapeutic Services, IRCCS ISMETT, Palermo, Italy
| | - Federica Avorio
- Neurology Service, Department of Diagnostic and Therapeutic Services, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), University of Pittsburgh Medical Center (UPMC), Palermo, Italy
| | - Giuseppe Raffa
- Cardiac Surgery Unit, Department for the Treatment and Study of Cardiothoracic Diseases and Cardiothoracic Transplantation, IRCCS ISMETT, Palermo, Italy
| | - Michele Pilato
- Cardiac Surgery Unit, Department for the Treatment and Study of Cardiothoracic Diseases and Cardiothoracic Transplantation, IRCCS ISMETT, Palermo, Italy
| | | | | | - Giuseppe Mamone
- Radiology Unit, Department of Diagnostic and Therapeutic Services, IRCCS ISMETT, Palermo, Italy
| | | | | | | | - Fabrisia Ambrosio
- Discovery Center for Musculoskeletal Recovery, Schoen Adams Research Institute at Spaulding, Boston, MA, United States
- Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, MA, United States
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, United States
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Bulati M, Gallo A, Zito G, Busà R, Iannolo G, Cuscino N, Castelbuono S, Carcione C, Centi C, Martucci G, Bertani A, Baiamonte MP, Chinnici CM, Conaldi PG, Miceli V. 3D Culture and Interferon-γ Priming Modulates Characteristics of Mesenchymal Stromal/Stem Cells by Modifying the Expression of Both Intracellular and Exosomal microRNAs. Biology (Basel) 2023; 12:1063. [PMID: 37626949 PMCID: PMC10451847 DOI: 10.3390/biology12081063] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/22/2023] [Accepted: 07/25/2023] [Indexed: 08/27/2023]
Abstract
Mesenchymal stromal/stem cells (MSCs) have emerged as a therapeutic tool in regenerative medicine. Recent studies have shown that exosome (EXO)-derived microRNAs (miRNAs) play a crucial role in mediating MSC functions. Additionally, intracellular miRNAs have been found to regulate MSC therapeutic capacities. However, the molecular mechanisms underlying miRNA-mediated MSC effects are not fully understood. We used 3D culture and IFN-γ to prime/enhance the MSC therapeutic effects in terms of functional miRNAs. After priming, our analysis revealed stable variations in intracellular miRNA among the MSC biological replicates. Conversely, a significant variability of miRNA was observed among EXOs released from biological replicates of the priming treatment. For each priming, we observed distinct miRNA expression profiles between the MSCs and their EXOs. Moreover, in both types of priming, gene ontology (GO) analysis of deregulated miRNAs highlighted their involvement in tissue repair/regeneration pathways. In particular, the 3D culture enhanced angiogenic properties in both MSCs and EXOs, while IFN-γ treatment enriched miRNAs associated with immunomodulatory pathways. These findings suggest that 3D culture and IFN-γ treatment are promising strategies for enhancing the therapeutic potential of MSCs by modulating miRNA expression. Additionally, the identified miRNAs may contribute to understanding the molecular mechanisms underlying the miRNA-mediated therapeutic effects of MSCs.
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Affiliation(s)
- Matteo Bulati
- Research Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (M.B.); (A.G.); (G.Z.); (R.B.); (G.I.); (N.C.); (S.C.); (C.C.); (M.P.B.); (P.G.C.)
| | - Alessia Gallo
- Research Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (M.B.); (A.G.); (G.Z.); (R.B.); (G.I.); (N.C.); (S.C.); (C.C.); (M.P.B.); (P.G.C.)
| | - Giovanni Zito
- Research Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (M.B.); (A.G.); (G.Z.); (R.B.); (G.I.); (N.C.); (S.C.); (C.C.); (M.P.B.); (P.G.C.)
| | - Rosalia Busà
- Research Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (M.B.); (A.G.); (G.Z.); (R.B.); (G.I.); (N.C.); (S.C.); (C.C.); (M.P.B.); (P.G.C.)
| | - Gioacchin Iannolo
- Research Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (M.B.); (A.G.); (G.Z.); (R.B.); (G.I.); (N.C.); (S.C.); (C.C.); (M.P.B.); (P.G.C.)
| | - Nicola Cuscino
- Research Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (M.B.); (A.G.); (G.Z.); (R.B.); (G.I.); (N.C.); (S.C.); (C.C.); (M.P.B.); (P.G.C.)
| | - Salvatore Castelbuono
- Research Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (M.B.); (A.G.); (G.Z.); (R.B.); (G.I.); (N.C.); (S.C.); (C.C.); (M.P.B.); (P.G.C.)
| | | | - Claudio Centi
- Research Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (M.B.); (A.G.); (G.Z.); (R.B.); (G.I.); (N.C.); (S.C.); (C.C.); (M.P.B.); (P.G.C.)
| | - Gennaro Martucci
- Department of Anesthesia and Intensive Care, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy;
| | - Alessandro Bertani
- Thoracic Surgery and Lung Transplantation Unit, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy;
| | - Maria Pia Baiamonte
- Research Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (M.B.); (A.G.); (G.Z.); (R.B.); (G.I.); (N.C.); (S.C.); (C.C.); (M.P.B.); (P.G.C.)
| | | | - Pier Giulio Conaldi
- Research Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (M.B.); (A.G.); (G.Z.); (R.B.); (G.I.); (N.C.); (S.C.); (C.C.); (M.P.B.); (P.G.C.)
| | - Vitale Miceli
- Research Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (M.B.); (A.G.); (G.Z.); (R.B.); (G.I.); (N.C.); (S.C.); (C.C.); (M.P.B.); (P.G.C.)
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Miceli V, Zito G, Bulati M, Gallo A, Busà R, Iannolo G, Conaldi PG. Different priming strategies improve distinct therapeutic capabilities of mesenchymal stromal/stem cells: Potential implications for their clinical use. World J Stem Cells 2023; 15:400-420. [PMID: 37342218 PMCID: PMC10277962 DOI: 10.4252/wjsc.v15.i5.400] [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] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/07/2023] [Accepted: 04/17/2023] [Indexed: 05/26/2023] Open
Abstract
Mesenchymal stromal/stem cells (MSCs) have shown significant therapeutic potential, and have therefore been extensively investigated in preclinical studies of regenerative medicine. However, while MSCs have been shown to be safe as a cellular treatment, they have usually been therapeutically ineffective in human diseases. In fact, in many clinical trials it has been shown that MSCs have moderate or poor efficacy. This inefficacy appears to be ascribable primarily to the heterogeneity of MSCs. Recently, specific priming strategies have been used to improve the therapeutic properties of MSCs. In this review, we explore the literature on the principal priming approaches used to enhance the preclinical inefficacy of MSCs. We found that different priming strategies have been used to direct the therapeutic effects of MSCs toward specific pathological processes. Particularly, while hypoxic priming can be used primarily for the treatment of acute diseases, inflammatory cytokines can be used mainly to prime MSCs in order to treat chronic immune-related disorders. The shift in approach from regeneration to inflammation implies, in MSCs, a shift in the production of functional factors that stimulate regenerative or anti-inflammatory pathways. The opportunity to fine-tune the therapeutic properties of MSCs through different priming strategies could conceivably pave the way for optimizing their therapeutic potential.
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Affiliation(s)
- Vitale Miceli
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Palermo 90127, Italy
| | - Giovanni Zito
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Palermo 90127, Italy
| | - Matteo Bulati
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Palermo 90127, Italy
| | - Alessia Gallo
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Palermo 90127, Italy
| | - Rosalia Busà
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Palermo 90127, Italy
| | - Gioacchin Iannolo
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Palermo 90127, Italy
| | - Pier Giulio Conaldi
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Palermo 90127, Italy
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Busà R, Miele M, Sorrentino MC, Amico G, Timoneri F, Miceli V, Di Bella M, Russelli G, Gallo A, Zito G, Iannolo G, Conaldi PG, Bulati M. Long-Term Effectiveness of BNT162b2 Pfizer-BioNTech mRNA-Based Vaccine on B Cell Compartment: Efficient Recall of SARS-CoV-2-Specific Memory B Cells. Int J Mol Sci 2022; 23:ijms232315046. [PMID: 36499373 PMCID: PMC9738945 DOI: 10.3390/ijms232315046] [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: 10/12/2022] [Revised: 11/04/2022] [Accepted: 11/28/2022] [Indexed: 12/03/2022] Open
Abstract
At present, there is a lack of clinical evidence about the impact and long-term durability of the immune response induced by the third dose of mRNA vaccines. In this study, we followed up the B cell compartment behavior in a cohort of immunocompetent individuals three and six months after the third dose of vaccine. During this period, some subjects contracted the virus. In uninfected vaccinated subjects, we did not report any changes in serum spike-specific IgG levels, with a significant reduction in IgA. Instead, subjects recovered from natural infection showed a significant increase in both specific IgG and IgA. Moreover, we showed a time-related decrease in IgG neutralizing potential to all SARS-CoV-2 variants of concern (VOC) in uninfected compared to recovered subjects, who displayed an increased neutralizing ability, particularly against the omicron variant. Finally, we underlined the presence of a pool of SARS-CoV-2-specific B cells in both groups that are prone to respond to restimulation, as demonstrated by their ability to differentiate into plasma cells and to produce anti-SARS-CoV-2-specific immunoglobulins. These data lead us to assert the long-term effectiveness of the BNT162b2 vaccine in contrasting the severe form of the pathology and prevent COVID-19-associated hospitalization.
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Affiliation(s)
- Rosalia Busà
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
- Correspondence: (R.B.); (M.B.)
| | - Monica Miele
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
- Ri.MED Foundation, 90133 Palermo, Italy
| | - Maria Concetta Sorrentino
- Department of Laboratory Medicine and Advanced Biotechnologies, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
| | - Giandomenico Amico
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
- Ri.MED Foundation, 90133 Palermo, Italy
| | - Francesca Timoneri
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
- Ri.MED Foundation, 90133 Palermo, Italy
| | - Vitale Miceli
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
| | - Mariangela Di Bella
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
- Ri.MED Foundation, 90133 Palermo, Italy
| | - Giovanna Russelli
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
| | - Alessia Gallo
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
| | - Giovanni Zito
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
| | - Gioacchin Iannolo
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
| | - Pier Giulio Conaldi
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
| | - Matteo Bulati
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), 90127 Palermo, Italy
- Correspondence: (R.B.); (M.B.)
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Badami E, Busà R, Douradinha B, Russelli G, Miceli V, Gallo A, Zito G, Conaldi PG, Iannolo G. Hepatocellular carcinoma, hepatitis C virus infection and miRNA involvement: Perspectives for new therapeutic approaches. World J Gastroenterol 2022; 28:2417-2428. [PMID: 35979260 PMCID: PMC9258280 DOI: 10.3748/wjg.v28.i22.2417] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/22/2022] [Accepted: 04/15/2022] [Indexed: 02/06/2023] Open
Abstract
Chronic hepatitis C virus (HCV) infection is the principal etiology of cirrhosis and, ultimately, hepatocellular carcinoma (HCC). At present, approximately 71 million people are chronically infected with HCV, and 10%–20% of these are expected to develop severe liver complications throughout their lifetime. Scientific evidence has clearly shown the causal association between miRNAs, HCV infection and HCC. Although it is not completely clear whether miRNA dysregulation in HCC is the cause or the consequence of its development, variations in miRNA patterns have been described in different liver diseases, including HCC. Many studies have analyzed the importance of circulating miRNAs and their effect on cell proliferation and apoptosis. In this Review, we aim to summarize current knowledge on the association between miRNA, HCV and HCC from a diagnostic point of view, and also the potential implications for therapeutic approaches.
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Affiliation(s)
- Ester Badami
- Regenerative Medicine and Immunotherapy Area, Fondazione Ri.MED, Palermo 90127, Italy
| | - Rosalia Busà
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Bruno Douradinha
- Regenerative Medicine and Immunotherapy Area, Fondazione Ri.MED, Palermo 90127, Italy
| | - Giovanna Russelli
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Vitale Miceli
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Alessia Gallo
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Giovanni Zito
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Pier Giulio Conaldi
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Gioacchin Iannolo
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
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Zito G, Miceli V, Carcione C, Busà R, Bulati M, Gallo A, Iannolo G, Pagano D, Conaldi PG. Human Amnion-Derived Mesenchymal Stromal/Stem Cells Pre-Conditioning Inhibits Inflammation and Apoptosis of Immune and Parenchymal Cells in an In Vitro Model of Liver Ischemia/Reperfusion. Cells 2022; 11:cells11040709. [PMID: 35203355 PMCID: PMC8870407 DOI: 10.3390/cells11040709] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/09/2022] [Accepted: 02/15/2022] [Indexed: 02/07/2023] Open
Abstract
Ischemia/reperfusion injury (IRI) represents one of the leading causes of primary non-function acute liver transplantation failure. IRI, generated by an interruption of organ blood flow and the subsequent restoration upon transplant, i.e., reperfusion, generates the activation of an inflammatory cascade from the resident Kupffer cells, leading first to neutrophils recruitment and second to apoptosis of the parenchyma. Recently, human mesenchymal stromal/stem cells (hMSCs) and derivatives have been implemented for reducing the damage induced by IRI. Interestingly, sparse data in the literature have described the use of human amnion-derived MSCs (hAMSCs) and, more importantly, no evidence regarding hMSCs priming on liver IRI have been described yet. Thus, our study focused on the definition of an in vitro model of liver IRI to test the effect of primed hAMSCs to reduce IRI damage on immune and hepatic cells. We found that the IFNγ pre-treatment and 3D culture of hAMSCs strongly reduced inflammation induced by M1-differentiated macrophages. Furthermore, primed hAMSCs significantly inhibited parenchymal apoptosis at early timepoints of reperfusion by blocking the activation of caspase 3/7. All together, these data demonstrate that hAMSCs priming significantly overcomes IRI effects in vitro by engaging the possibility of defining the molecular pathways involved in this process.
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Affiliation(s)
- Giovanni Zito
- Research Department, IRCSS ISMETT (Instituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (V.M.); (R.B.); (M.B.); (A.G.); (G.I.); (D.P.); (P.G.C.)
- Correspondence: ; Tel.: +39-091-21-92-649
| | - Vitale Miceli
- Research Department, IRCSS ISMETT (Instituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (V.M.); (R.B.); (M.B.); (A.G.); (G.I.); (D.P.); (P.G.C.)
| | | | - Rosalia Busà
- Research Department, IRCSS ISMETT (Instituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (V.M.); (R.B.); (M.B.); (A.G.); (G.I.); (D.P.); (P.G.C.)
| | - Matteo Bulati
- Research Department, IRCSS ISMETT (Instituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (V.M.); (R.B.); (M.B.); (A.G.); (G.I.); (D.P.); (P.G.C.)
| | - Alessia Gallo
- Research Department, IRCSS ISMETT (Instituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (V.M.); (R.B.); (M.B.); (A.G.); (G.I.); (D.P.); (P.G.C.)
| | - Gioacchin Iannolo
- Research Department, IRCSS ISMETT (Instituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (V.M.); (R.B.); (M.B.); (A.G.); (G.I.); (D.P.); (P.G.C.)
| | - Duilio Pagano
- Research Department, IRCSS ISMETT (Instituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (V.M.); (R.B.); (M.B.); (A.G.); (G.I.); (D.P.); (P.G.C.)
| | - Pier Giulio Conaldi
- Research Department, IRCSS ISMETT (Instituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy; (V.M.); (R.B.); (M.B.); (A.G.); (G.I.); (D.P.); (P.G.C.)
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11
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Badami E, Carcione C, Chinnici CM, Tinnirello R, Conaldi PG, Iannolo G. HCV Interplay With Mir34a: Implications in Hepatocellular Carcinoma. Front Oncol 2022; 11:803278. [PMID: 35127513 PMCID: PMC8812294 DOI: 10.3389/fonc.2021.803278] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 12/27/2021] [Indexed: 12/24/2022] Open
Abstract
Since its identification, HCV has been considered one of the main causes of hepatitis and liver cancer. Currently, the molecular mechanisms of HCC development induced by HCV infection have not been sufficiently clarified. The recent discovery of novel treatments that inhibit HCV replication gave rise to new questions concerning HCC mechanisms. In particular, the HCV eradication mediated by new direct-acting antiviral (DAAs) drugs does not exclude the possibility of de novo HCC development; this finding opened more questions on the interplay between liver cells and the virus. Different groups have investigated the pathways leading to cancer recurrence in patients treated with DAAs. For this reason, we tried to gain molecular insights into the changes induced by HCV infection in the target liver cells. In particular, we observed an increase in microRNA34a (miR34a) expression following HCV infection of HCC cell line Huh7.5. In addition, Huh7.5 treated with extracellular vesicles (EVs) from the previously HCV-infected Huh7.5 underwent apoptosis. Since miR34 expression was increased in Huh7.5 EVs, we hypothesized a paracrine mechanism of viral infection mediated by miR34a cargo of EVs. The balance between viral infection and cell transformation may raise some questions on the possible use of antiviral drugs in association with antineoplastic treatment.
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Affiliation(s)
- Ester Badami
- Department of Research, Istituto di Ricovero e Cura a Carattere Scientifico Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS ISMETT), Palermo, Italy
- Regenerative Medicine and Immunotherapy Area, Fondazione Ri.MED, Palermo, Italy
| | - Claudia Carcione
- Regenerative Medicine and Immunotherapy Area, Fondazione Ri.MED, Palermo, Italy
| | - Cinzia Maria Chinnici
- Department of Research, Istituto di Ricovero e Cura a Carattere Scientifico Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS ISMETT), Palermo, Italy
- Regenerative Medicine and Immunotherapy Area, Fondazione Ri.MED, Palermo, Italy
| | - Rosaria Tinnirello
- Neuroscience Unit, Consiglio Nazionale delle Ricerche (CNR), Institute of Biomedicine and Molecular Immunology, Palermo, Italy
| | - Pier Giulio Conaldi
- Department of Research, Istituto di Ricovero e Cura a Carattere Scientifico Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS ISMETT), Palermo, Italy
| | - Gioacchin Iannolo
- Department of Research, Istituto di Ricovero e Cura a Carattere Scientifico Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS ISMETT), Palermo, Italy
- *Correspondence: Gioacchin Iannolo, ; ; orcid.org/0000-0002-7710-4735
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12
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Pampalone M, Vitale G, Gruttadauria S, Amico G, Iannolo G, Douradinha B, Mularoni A, Conaldi PG, Pietrosi G. Human Amnion-Derived Mesenchymal Stromal Cells: A New Potential Treatment for Carbapenem-Resistant Enterobacterales in Decompensated Cirrhosis. Int J Mol Sci 2022; 23:ijms23020857. [PMID: 35055040 PMCID: PMC8775978 DOI: 10.3390/ijms23020857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/05/2022] [Accepted: 01/11/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Spontaneous bacterial peritonitis (SBP) is a severe and often fatal infection in patients with decompensated cirrhosis and ascites. The only cure for SBP is antibiotic therapy, but the emerging problem of bacterial resistance requires novel therapeutic strategies. Human amniotic mesenchymal stromal cells (hA-MSCs) possess immunomodulatory and anti-inflammatory properties that can be harnessed as a therapy in such a context. METHODS An in vitro applications of hA-MSCs in ascitic fluid (AF) of cirrhotic patients, subsequently infected with carbapenem-resistant Enterobacterales, was performed. We evaluated the effects of hA-MSCs on bacterial load, innate immunity factors, and macrophage phenotypic expression. RESULTS hA-MSCs added to AF significantly reduce the proliferation of both bacterial strains at 24 h and diversely affect M1 and M2 polarization, C3a complement protein, and ficolin 3 concentrations during the course of infection, in a bacterial strain-dependent fashion. CONCLUSION This study shows the potential usefulness of hA-MSC in treating ascites infected with carbapenem-resistant bacteria and lays the foundation to further investigate antibacterial and anti-inflammatory roles of hA-MSC in in vivo models.
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Affiliation(s)
- Mariangela Pampalone
- Ri.MED Foundation, 90133 Palermo, Italy; (G.V.); (G.A.); (B.D.)
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), 90127 Palermo, Italy; (G.I.); (P.G.C.)
- Correspondence:
| | - Giampiero Vitale
- Ri.MED Foundation, 90133 Palermo, Italy; (G.V.); (G.A.); (B.D.)
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), 90127 Palermo, Italy; (G.I.); (P.G.C.)
| | - Salvatore Gruttadauria
- Department for the Treatment and Study of Abdominal Disease and Abdominal Transplantation, IRCCS-ISMETT, UPMC, 90127 Palermo, Italy; (S.G.); (G.P.)
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, 95124 Catania, Italy
| | - Giandomenico Amico
- Ri.MED Foundation, 90133 Palermo, Italy; (G.V.); (G.A.); (B.D.)
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), 90127 Palermo, Italy; (G.I.); (P.G.C.)
| | - Gioacchin Iannolo
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), 90127 Palermo, Italy; (G.I.); (P.G.C.)
| | - Bruno Douradinha
- Ri.MED Foundation, 90133 Palermo, Italy; (G.V.); (G.A.); (B.D.)
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), 90127 Palermo, Italy; (G.I.); (P.G.C.)
| | | | - Pier Giulio Conaldi
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), 90127 Palermo, Italy; (G.I.); (P.G.C.)
| | - Giada Pietrosi
- Department for the Treatment and Study of Abdominal Disease and Abdominal Transplantation, IRCCS-ISMETT, UPMC, 90127 Palermo, Italy; (S.G.); (G.P.)
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13
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Francipane MG, Douradinha B, Chinnici CM, Russelli G, Conaldi PG, Iannolo G. Zika Virus: A New Therapeutic Candidate for Glioblastoma Treatment. Int J Mol Sci 2021; 22:10996. [PMID: 34681654 PMCID: PMC8537796 DOI: 10.3390/ijms222010996] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/29/2021] [Accepted: 10/09/2021] [Indexed: 01/05/2023] Open
Abstract
Glioblastoma (GBM) is the most aggressive among the neurological tumors. At present, no chemotherapy or radiotherapy regimen is associated with a positive long-term outcome. In the majority of cases, the tumor recurs within 32-36 weeks of initial treatment. The recent discovery that Zika virus (ZIKV) has an oncolytic action against GBM has brought hope for the development of new therapeutic approaches. ZIKV is an arbovirus of the Flaviviridae family, and its infection during development has been associated with central nervous system (CNS) malformations, including microcephaly, through the targeting of neural stem/progenitor cells (NSCs/NPCs). This finding has led various groups to evaluate ZIKV's effects against glioblastoma stem cells (GSCs), supposedly responsible for GBM onset, progression, and therapy resistance. While preliminary data support ZIKV tropism toward GSCs, a more accurate study of ZIKV mechanisms of action is fundamental in order to launch ZIKV-based clinical trials for GBM patients.
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Affiliation(s)
- Maria Giovanna Francipane
- Fondazione Ri.MED, 90133 Palermo, Italy; (M.G.F.); (B.D.); (C.M.C.)
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - Bruno Douradinha
- Fondazione Ri.MED, 90133 Palermo, Italy; (M.G.F.); (B.D.); (C.M.C.)
- Department of Research, Istituto di Ricovero e Cura a Carattere Scientifico—Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS ISMETT), 90127 Palermo, Italy; (G.R.); (P.G.C.)
| | - Cinzia Maria Chinnici
- Fondazione Ri.MED, 90133 Palermo, Italy; (M.G.F.); (B.D.); (C.M.C.)
- Department of Research, Istituto di Ricovero e Cura a Carattere Scientifico—Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS ISMETT), 90127 Palermo, Italy; (G.R.); (P.G.C.)
| | - Giovanna Russelli
- Department of Research, Istituto di Ricovero e Cura a Carattere Scientifico—Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS ISMETT), 90127 Palermo, Italy; (G.R.); (P.G.C.)
| | - Pier Giulio Conaldi
- Department of Research, Istituto di Ricovero e Cura a Carattere Scientifico—Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS ISMETT), 90127 Palermo, Italy; (G.R.); (P.G.C.)
| | - Gioacchin Iannolo
- Department of Research, Istituto di Ricovero e Cura a Carattere Scientifico—Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS ISMETT), 90127 Palermo, Italy; (G.R.); (P.G.C.)
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14
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Iannolo G, Sciuto MR, Cuscino N, Carcione C, Coronnello C, Chinnici CM, Raffa GM, Pilato M, Conaldi PG. miRNA expression analysis in the human heart: Undifferentiated progenitors vs. bioptic tissues-Implications for proliferation and ageing. J Cell Mol Med 2021; 25:8687-8700. [PMID: 34390171 PMCID: PMC8435455 DOI: 10.1111/jcmm.16824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 06/07/2021] [Accepted: 07/20/2021] [Indexed: 12/30/2022] Open
Abstract
In developed countries, cardiovascular diseases are currently the first cause of death. Cardiospheres (CSs) and cardiosphere-derived cells (CDCs) have been found to have the ability to regenerate the myocardium after myocardial infarction (MI). In recent years, much effort has been made to gain insight into the human heart repair mechanisms, in which miRNAs have been shown to play an important role. In this regard, to elucidate the involvement of miRNAs, we evaluated the miRNA expression profile across human heart biopsy, CSs and CDCs using microarray and next-generation sequencing (NGS) technologies. We identified several miRNAs more represented in the progenitors, where some of them can be responsible for the proliferation or the maintenance of an undifferentiated state, while others have been found to be downregulated in the undifferentiated progenitors compared with the biopsies. Moreover, we also found a correlation between downregulated miRNAs in CSs/CDCs and patient age (eg miR-490) and an inverse correlation among miRNAs upregulated in CSs/CDCs (eg miR-31).
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Affiliation(s)
- Gioacchin Iannolo
- Department of Research, Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione (ISMETT-IRCCS), Palermo, Italy
| | - Maria Rita Sciuto
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Nicola Cuscino
- Department of Research, Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione (ISMETT-IRCCS), Palermo, Italy
| | | | | | - Cinzia Maria Chinnici
- Department of Research, Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione (ISMETT-IRCCS), Palermo, Italy.,Fondazione Ri.MED, Palermo, Italy
| | - Giuseppe Maria Raffa
- Cardiac Surgery and Heart Transplantation Unit, Department for the Treatment and Study of Cardiothoracic Diseases and Cardiothoracic Transplantation, Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione (ISMETT-IRCCS), Palermo, Italy
| | - Michele Pilato
- Cardiac Surgery and Heart Transplantation Unit, Department for the Treatment and Study of Cardiothoracic Diseases and Cardiothoracic Transplantation, Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione (ISMETT-IRCCS), Palermo, Italy
| | - Pier Giulio Conaldi
- Department of Research, Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione (ISMETT-IRCCS), Palermo, Italy
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15
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Bulati M, Busà R, Carcione C, Iannolo G, Di Mento G, Cuscino N, Di Gesù R, Piccionello AP, Buscemi S, Carreca AP, Barbera F, Monaco F, Cardinale F, Conaldi PG, Douradinha B. Klebsiella pneumoniae Lipopolysaccharides Serotype O2afg Induce Poor Inflammatory Immune Responses Ex Vivo. Microorganisms 2021; 9:microorganisms9061317. [PMID: 34204279 PMCID: PMC8234205 DOI: 10.3390/microorganisms9061317] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 06/12/2021] [Accepted: 06/15/2021] [Indexed: 01/05/2023] Open
Abstract
Currently, Klebsiella pneumoniae is a pathogen of clinical relevance due to its plastic ability of acquiring resistance genes to multiple antibiotics. During K. pneumoniae infections, lipopolysaccharides (LPS) play an ambiguous role as they both activate immune responses but can also play a role in immune evasion. The LPS O2a and LPS O2afg serotypes are prevalent in most multidrug resistant K. pneumoniae strains. Thus, we sought to understand if those two particular LPS serotypes were involved in a mechanism of immune evasion. We have extracted LPS (serotypes O1, O2a and O2afg) from K. pneumoniae strains and, using human monocytes ex vivo, we assessed the ability of those LPS antigens to induce the production of pro-inflammatory cytokines and chemokines. We observed that, when human monocytes are incubated with LPS serotypes O1, O2a or O2afg strains, O2afg and, to a lesser extent, O2a but not O1 failed to elicit the production of pro-inflammatory cytokines and chemokines, which suggests a role in immune evasion. Our preliminary data also shows that nuclear translocation of NF-κB, a process which regulates an immune response against infections, occurs in monocytes incubated with LPS O1 and, to a smaller extent, with LPS O2a, but not with the LPS serotype O2afg. Our results indicate that multidrug resistant K. pneumoniae expressing LPS O2afg serotypes avoid an initial inflammatory immune response and, consequently, are able to systematically spread inside the host unharmed, which results in the several pathologies associated with this bacterium.
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Affiliation(s)
- Matteo Bulati
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Rosalia Busà
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Claudia Carcione
- Fondazione Ri.MED, 90133 Palermo, Italy; (C.C.); (R.D.G.); (A.P.C.)
| | - Gioacchin Iannolo
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Giuseppina Di Mento
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Nicola Cuscino
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Roberto Di Gesù
- Fondazione Ri.MED, 90133 Palermo, Italy; (C.C.); (R.D.G.); (A.P.C.)
| | - Antonio Palumbo Piccionello
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies-STEBICEF, University of Palermo, 90133 Palermo, Italy; (A.P.P.); (S.B.)
| | - Silvestre Buscemi
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies-STEBICEF, University of Palermo, 90133 Palermo, Italy; (A.P.P.); (S.B.)
| | | | - Floriana Barbera
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Francesco Monaco
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Francesca Cardinale
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Pier Giulio Conaldi
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Bruno Douradinha
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
- Fondazione Ri.MED, 90133 Palermo, Italy; (C.C.); (R.D.G.); (A.P.C.)
- Correspondence: ; Tel.: +39-091-2192649; Fax: +39-091-2192423
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16
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Chinnici CM, Russelli G, Bulati M, Miceli V, Gallo A, Busà R, Tinnirello R, Conaldi PG, Iannolo G. Mesenchymal stromal cell secretome in liver failure: Perspectives on COVID-19 infection treatment. World J Gastroenterol 2021; 27:1905-1919. [PMID: 34007129 PMCID: PMC8108038 DOI: 10.3748/wjg.v27.i17.1905] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/05/2021] [Accepted: 04/05/2021] [Indexed: 02/06/2023] Open
Abstract
Due to their immunomodulatory potential and release of trophic factors that promote healing, mesenchymal stromal cells (MSCs) are considered important players in tissue homeostasis and regeneration. MSCs have been widely used in clinical trials to treat multiple conditions associated with inflammation and tissue damage. Recent evidence suggests that most of the MSC therapeutic effects are derived from their secretome, including the extracellular vesicles, representing a promising approach in regenerative medicine application to treat organ failure as a result of inflammation/fibrosis. The recent outbreak of respiratory syndrome coronavirus, caused by the newly identified agent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has forced scientists worldwide to use all available instruments to fight the infection, including the inflammatory cascade caused by this pandemic disease. The use of MSCs is a valid approach to combat organ inflammation in different compartments. In addition to the lungs, which are considered the main inflammatory target for this virus, other organs are compromised by the infection. In particular, the liver is involved in the inflammatory response to SARS-CoV-2 infection, which causes organ failure, leading to death in coronavirus disease 2019 (COVID-19) patients. We herein summarize the current implications derived from the use of MSCs and their soluble derivatives in COVID-19 treatment, and emphasize the potential of MSC-based therapy in this clinical setting.
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Affiliation(s)
- Cinzia Maria Chinnici
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
- Department of Regenerative Medicine, Fondazione Ri.MED, Palermo 90127, Italy
| | - Giovanna Russelli
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Matteo Bulati
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Vitale Miceli
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Alessia Gallo
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Rosalia Busà
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Rosaria Tinnirello
- Neuroscience Unit, CNR Institute of Biomedicine and Molecular Immunology, Palermo 90146, Italy
| | - Pier Giulio Conaldi
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
| | - Gioacchin Iannolo
- Department of Research, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS-ISMETT), Palermo 90127, Italy
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17
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Miceli V, Bulati M, Iannolo G, Zito G, Gallo A, Conaldi PG. Therapeutic Properties of Mesenchymal Stromal/Stem Cells: The Need of Cell Priming for Cell-Free Therapies in Regenerative Medicine. Int J Mol Sci 2021; 22:ijms22020763. [PMID: 33466583 PMCID: PMC7828743 DOI: 10.3390/ijms22020763] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/10/2021] [Accepted: 01/12/2021] [Indexed: 02/07/2023] Open
Abstract
Mesenchymal stromal/stem cells (MSCs) are multipotent adult stem cells that support homeostasis during tissue regeneration. In the last decade, cell therapies based on the use of MSCs have emerged as a promising strategy in the field of regenerative medicine. Although these cells possess robust therapeutic properties that can be applied in the treatment of different diseases, variables in preclinical and clinical trials lead to inconsistent outcomes. MSC therapeutic effects result from the secretion of bioactive molecules affected by either local microenvironment or MSC culture conditions. Hence, MSC paracrine action is currently being explored in several clinical settings either using a conditioned medium (CM) or MSC-derived exosomes (EXOs), where these products modulate tissue responses in different types of injuries. In this scenario, MSC paracrine mechanisms provide a promising framework for enhancing MSC therapeutic benefits, where the composition of secretome can be modulated by priming of the MSCs. In this review, we examine the literature on the priming of MSCs as a tool to enhance their therapeutic properties applicable to the main processes involved in tissue regeneration, including the reduction of fibrosis, the immunomodulation, the stimulation of angiogenesis, and the stimulation of resident progenitor cells, thereby providing new insights for the therapeutic use of MSCs-derived products.
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18
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Miceli V, Russelli G, Iannolo G, Gallo A, Lo Re V, Agnese V, Sparacia G, Conaldi PG, Bulati M. Role of non-coding RNAs in age-related vascular cognitive impairment: An overview on diagnostic/prognostic value in Vascular Dementia and Vascular Parkinsonism. Mech Ageing Dev 2020; 191:111332. [PMID: 32805261 DOI: 10.1016/j.mad.2020.111332] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 04/07/2020] [Revised: 07/23/2020] [Accepted: 07/28/2020] [Indexed: 02/07/2023]
Abstract
Age is the pivotal risk factor for different common medical conditions such as cardiovascular diseases, cancer and dementia. Among age-related disorders, cardiovascular and cerebrovascular diseases, represent the leading causes of premature mortality strictly related to vascular ageing, a pathological condition characterized by endothelial dysfunction, atherosclerosis, hypertension, heart disease and stroke. These features negatively impact on the brain, owing to altered cerebral blood flow, neurovascular coupling and impaired endothelial permeability leading to cerebrovascular diseases (CVDs) as Vascular Dementia (VD) and Parkinsonism (VP). It is an increasing opinion that neurodegenerative disorders and cerebrovascular diseases are associated from a pathogenetic point of view, and in this review, we discuss how cerebrovascular dysfunctions, due to epigenetic alterations, are linked with neuronal degeneration/dysfunction that lead to cognitive impairment. The relation between neurodegenerative and cerebrovascular diseases are reviewed with a focus on role of ncRNAs in age-related vascular diseases impairing the endothelium in the blood-brain barrier with consequent dysfunction of cerebral blood flow. In this review we dissert about different regulatory mechanisms of gene expression implemented by ncRNAs in the pathogenesis of age-related neurovascular impairment, aiming to highlight the potential use of ncRNAs as biomarkers for diagnostic/prognostic purposes as well as novel therapeutic targets.
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Affiliation(s)
- V Miceli
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | - G Russelli
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | - G Iannolo
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | - A Gallo
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | - V Lo Re
- Neurology Service, Department of Diagnostic and Therapeutic Services, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | - V Agnese
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | - G Sparacia
- Radiology Service, Department of Diagnostic and Therapeutic Services, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | - P G Conaldi
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | - M Bulati
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy.
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19
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D'Apolito D, Arena F, Conte V, De Angelis LH, Di Mento G, Carreca AP, Cuscino N, Russelli G, Iannolo G, Barbera F, Pasqua S, Monaco F, Cardinale F, Rossolini GM, Conaldi PG, Douradinha B. Phenotypical and molecular assessment of the virulence potential of KPC-3-producing Klebsiella pneumoniae ST392 clinical isolates. Microbiol Res 2020; 240:126551. [PMID: 32652494 DOI: 10.1016/j.micres.2020.126551] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 06/28/2020] [Accepted: 07/03/2020] [Indexed: 12/31/2022]
Abstract
Klebsiella pneumoniae is a Gram-negative bacterium of clinical importance, due to its resistance to several antibiotic classes. We have identified 4 clinical isolates of K. pneumoniae sequence type (ST) 392 KPC-3-producing strains from patients at the Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS-ISMETT), a Southern Italian transplantation health facility, during a routine surveillance for carbapenemase-producing Enterobacterales from in-house clinical samples. Since those were among, to the best of our knowledge, the first KPC-producing K. pneumoniae ST392 isolated in Europe, we assessed their virulence potential, to understand if this particular ST can become an endemic clinical threat. ST392 isolates were investigated to assess their virulence potential, namely resistance to human sera, formation of abiotic biofilms, adhesion to biotic surfaces, exopolysaccharide production and in vivo pathogenesis in the wax moth Galleria mellonella animal model. ST392-belonging strains were highly resistant to human sera. These strains also have a high capacity to form abiotic biofilms and high levels of adhesion to the human epithelial colorectal adenocarcinoma HT-29 cell line. An increase of transcriptional levels of genes involved in serum resistance (aroE and traT) and adhesion (pgaA) was observed when compared with the Klebsiella quasipneumoniae subsp. similipneumoniae strain ATCC 700603 reference strain. Infection of G. mellonella larvae with ST392 clinical isolates showed that the latter were not highly pathogenic in this model. Together, our results indicate that ST392 isolates have the potential to become a strain of clinical relevance, especially in health settings where patients are immunosuppressed, e.g., transplant recipients.
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Affiliation(s)
| | - Fabio Arena
- Dipartimento di Medicina Clinica e Sperimentale, Università di Foggia, Foggia, Italy; IRCCS Fondazione Don Carlo Gnocchi, Milan, Italy
| | - Viola Conte
- Dipartimento di Biotecnologie Mediche, Università degli Studi di Siena, Siena, Italy
| | | | | | | | | | | | | | | | | | | | | | - Gian Maria Rossolini
- Dipartimento di Medicina Sperimentale e Clinica, Università degli Studi di Firenze, Florence, Italy; SOD Microbiologia e Virologia, Azienda Ospedaliera Universitaria Careggi Florence, Italy
| | | | - Bruno Douradinha
- Fondazione Ri.MED, Palermo, Italy; IRCCS-ISMETT, Palermo, Italy.
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20
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Gallo A, Miceli V, Bulati M, Iannolo G, Contino F, Conaldi PG. Viral miRNAs as Active Players and Participants in Tumorigenesis. Cancers (Basel) 2020; 12:cancers12020358. [PMID: 32033193 PMCID: PMC7072176 DOI: 10.3390/cancers12020358] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [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: 12/12/2019] [Revised: 01/22/2020] [Accepted: 01/31/2020] [Indexed: 02/07/2023] Open
Abstract
The theory that viruses play a role in human cancers is now supported by scientific evidence. In fact, around 12% of human cancers, a leading cause of morbidity and mortality in some regions, are attributed to viral infections. However, the molecular mechanism remains complex to decipher. In recent decades, the uncovering of cellular miRNAs, with their invaluable potential as diagnostic and prognostic biomarkers, has increased the number of studies being conducted regarding human cancer diagnosis. Viruses develop clever mechanisms to succeed in the maintenance of the viral life cycle, and some viruses, especially herpesviruses, encode for miRNA, v-miRNAs. Through this viral miRNA, the viruses are able to manipulate cellular and viral gene expression, driving carcinogenesis and escaping the host innate or adaptive immune system. In this review, we have discussed the main viral miRNAs and virally influenced cellular pathways, and their capability to drive carcinogenesis.
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Affiliation(s)
- Alessia Gallo
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), 90100 Palermo, Italy; (V.M.); (M.B.); (G.I.); (F.C.); (P.G.C.)
- Correspondence: ; Tel.: +39-0912192649
| | - Vitale Miceli
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), 90100 Palermo, Italy; (V.M.); (M.B.); (G.I.); (F.C.); (P.G.C.)
| | - Matteo Bulati
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), 90100 Palermo, Italy; (V.M.); (M.B.); (G.I.); (F.C.); (P.G.C.)
| | - Gioacchin Iannolo
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), 90100 Palermo, Italy; (V.M.); (M.B.); (G.I.); (F.C.); (P.G.C.)
| | - Flavia Contino
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), 90100 Palermo, Italy; (V.M.); (M.B.); (G.I.); (F.C.); (P.G.C.)
- Scienze Mediche Chirurgiche E Sperimentali, Università degli Studi di Sassari, Piazza Universita, 07100 Sassari, Italy
| | - Pier Giulio Conaldi
- Department of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), 90100 Palermo, Italy; (V.M.); (M.B.); (G.I.); (F.C.); (P.G.C.)
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21
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Iannolo G, Sciuto MR, Cuscino N, Pallini R, Douradinha B, Ricci Vitiani L, De Maria R, Conaldi PG. Zika virus infection induces MiR34c expression in glioblastoma stem cells: new perspectives for brain tumor treatments. Cell Death Dis 2019; 10:263. [PMID: 30890698 PMCID: PMC6425033 DOI: 10.1038/s41419-019-1499-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 02/28/2019] [Accepted: 03/04/2019] [Indexed: 12/16/2022]
Abstract
Zika virus (ZIKV) is a flavivirus with a marked effect on fetal nervous system development. ZIKV treatment has recently been found to also have a benefit against glioblastoma, a highly aggressive brain tumor with a poor prognosis. The reported data do not completely explain the mechanism beyond this effect. Nevertheless, in the majority of the cases no adverse effect has been found in healthy adult humans. In this study, we characterized the ZIKV infection mechanism on glioblastoma stem cells, which are considered responsible for the tumor progression and resistance to conventional therapies. Moreover, we explain why the action of this virus is directed to the stem cells in the nervous system counterpart. Our results confirm the effectiveness of ZIKV treatment against glioblastoma, indicating novel molecular targets that can be introduced for more powerful therapies.
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Affiliation(s)
- Gioacchin Iannolo
- Department of Research, IRCCS ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), Palermo, Italy.
| | - Maria Rita Sciuto
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Nicola Cuscino
- Department of Research, IRCCS ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), Palermo, Italy
| | - Roberto Pallini
- Istituto di Neurochirurgia, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario "A. Gemelli" - IRCCS, Rome, Italy
| | - Bruno Douradinha
- Regenerative Medicine and Immunology Unit, Ri.MED Foundation at IRCCS ISMETT, Palermo, Italy
| | - Lucia Ricci Vitiani
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Ruggero De Maria
- Fondazione Policlinico Universitario "A. Gemelli" - IRCCS, Rome, Italy
- Istituto di Patologia Generale, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Pier Giulio Conaldi
- Department of Research, IRCCS ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), Palermo, Italy
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22
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Chinnici CM, Pietrosi G, Iannolo G, Amico G, Cuscino N, Pagano V, Conaldi PG. Mesenchymal stromal cells isolated from human fetal liver release soluble factors with a potential role in liver tissue repair. Differentiation 2018; 105:14-26. [PMID: 30553176 DOI: 10.1016/j.diff.2018.12.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [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: 09/20/2018] [Revised: 11/21/2018] [Accepted: 12/04/2018] [Indexed: 02/06/2023]
Abstract
We isolated a population of proliferating cells from cultured human fetal hepatocytes of 16-22 weeks gestational age. The cells shared a similar phenotype to that of mesenchymal stromal cells (MSCs) according to the International Society for Cellular Therapy (ISCT), including plastic adherence, antigen expression profile, and in vitro multilineage differentiation potential. Fetal liver (FL)-MSCs expressed the albumin gene, and harbored a subpopulation of CK18+ cells (20-40%), which defined their hepatic origin. However, when subjected to in vitro hepatic differentiation, FL-MSCs did not acquire significant liver functions. Quantitative analysis of conditioned medium (CM) collected from cultured cells revealed the presence of growth factors and chemokines with potential liver regenerative properties, the most relevant of which (concentration ≥3000 pg/ml) were SDF-1 alpha, IL-6, MCP-1, IL-8, MIP-1 beta, VEGF-A, Gro-alpha, and HGF. Culturing of FL-MSCs as spheroids significantly enhanced the secretion of HGF and bFGF (approximately 5-fold) compared with culture monolayers. Moreover, CM assessed in vitro induced capillary-like organization and migration of human umbilical vein endothelial cells (HUVECs) and fibroblasts as target cells. Interestingly, exosomes isolated from CM induced similar cellular responses in vitro with high efficiency and in a dose-dependent manner. FL-MSCs underwent several in vitro subcultivations, and did not stimulate allogenic T-cell proliferation thus suggesting a low immunogenicity. Furthermore, 5-year cryopreservation did not affect cell viability (approximately 90% of viable post-thawed FL-MSCs). These observations support the feasibility of a cell bank establishment for allogenic transplantation. We concluded that FL-MSCs or they secreted factors may be a valid alternative to hepatocyte transplantation in liver cell-based therapies.
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Affiliation(s)
- Cinzia Maria Chinnici
- Fondazione Ri.MED, Palermo, Italy; Department of Research, IRCCS-ISMETT, Palermo, Italy.
| | - Giada Pietrosi
- Hepatology Unit, Department for the Treatment and Study of Abdominal Diseases and Abdominal Transplantation, IRCCS-ISMETT, Palermo, Italy
| | | | - Giandomenico Amico
- Fondazione Ri.MED, Palermo, Italy; Department of Research, IRCCS-ISMETT, Palermo, Italy
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23
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Affiliation(s)
- Maria Rita Sciuto
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità; Rome Italy
| | - Valeria Coppola
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità; Rome Italy
| | - Gioacchin Iannolo
- Regenerative Medicine and Biomedical Technologies Unit, Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT; Palermo Italy
| | - Ruggero De Maria
- Institute of General Pathology, Università Cattolica del Sacro Cuore; Rome Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS; Rome Italy
| | - Tobias L. Haas
- Institute of General Pathology, Università Cattolica del Sacro Cuore; Rome Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS; Rome Italy
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Miceli V, Pampalone M, Frazziano G, Grasso G, Rizzarelli E, Ricordi C, Casu A, Iannolo G, Conaldi PG. Carnosine protects pancreatic beta cells and islets against oxidative stress damage. Mol Cell Endocrinol 2018; 474:105-118. [PMID: 29496567 DOI: 10.1016/j.mce.2018.02.016] [Citation(s) in RCA: 24] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 02/22/2018] [Accepted: 02/23/2018] [Indexed: 02/07/2023]
Abstract
Islet transplantation is a valid therapeutic option for type 1 diabetes treatment. However, in this procedure one of the major problems is the oxidative stress produced during pancreatic islet isolation. The aim of our study was to evaluate potential protective effects of L-carnosine and its isomer D-carnosine against oxidative stress. We evaluated the carnosine effect on cell growth, cell death, insulin production, and the main markers of oxidative stress in rat and murine stressed beta cell lines as well as in human pancreatic islets. Both isomers clearly inhibited hydrogen peroxide induced cytotoxicity, with a decrease in intracellular reactive oxygen and nitrogen species, prevented hydrogen peroxide induced apoptosis/necrosis, nitrite production, and reduced glucose-induced insulin secretion. In addition, NF-κB expression/translocation and nitrated protein induced in stressed cells was significantly reduced. Furthermore, both isomers improved survival and function, and decreased reactive oxygen and nitrogen species, and nitrite and nitrotyrosine production in human islets cultured for 1, 3, and 7 days. These results seem to indicate that both L and D-carnosine have a significant cytoprotective effect by reducing oxidative stress in beta cell lines and human islets, suggesting their potential use to improve islet survival during the islet transplantation procedure.
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Affiliation(s)
- Vitale Miceli
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Palermo, Italy.
| | | | | | - Giuseppe Grasso
- Department of Chemical Sciences, University of Catania, Catania, Italy
| | - Enrico Rizzarelli
- Institute of Biostructures and Bioimages, National Council of Research (CNR), Catania, Italy
| | - Camillo Ricordi
- Diabetes Research Institute and Cell Transplant Program, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Anna Casu
- Diabetes and Islet Transplantation Unit, Department for the Study and Treatment of Abdominal Diseases and Abdominal Transplantation, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Palermo, Italy
| | - Gioacchin Iannolo
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Palermo, Italy
| | - Pier Giulio Conaldi
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Palermo, Italy
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25
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Iannolo G, Sciuto MR, Raffa GM, Pilato M, Conaldi PG. MiR34 inhibition induces human heart progenitor proliferation. Cell Death Dis 2018; 9:368. [PMID: 29511160 PMCID: PMC5840309 DOI: 10.1038/s41419-018-0400-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 12/19/2017] [Accepted: 02/07/2018] [Indexed: 12/22/2022]
Abstract
MiR34 involvement in myocardial injury repair and ageing has been well documented in mouse model. Our aim was to establish whether the inhibition of miR34 expression through locked nucleic acid (LNA) could be used as a pharmacological intervention to enhance human heart repair. Cardiac progenitor cells were obtained by right atrial specimen collection during intraoperative procedures. Our analysis revealed a direct correlation between miR34 expression and patient age, and its silencing by LNA promoted the cardiac progenitor growth rate up to twofold ( ± 0.8). Our results confirmed the relevance of miR34a in human heart ageing, as previously demonstrated in mouse. Moreover, the decrease of miR34 expression in the cardiac progenitor cell population indicates its role in maintaining an undifferentiated status and consequently in a lower proliferation rate with the involvement of genes such as Notch-1, Numb, and p63.
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Affiliation(s)
- Gioacchin Iannolo
- Department of Laboratory Medicine and Advanced Biotechnologies, Regenerative Medicine and Biomedical Technologies Unit, IRCCS-ISMETT (Mediterranean Institute for Transplantation and advanced specialized Therapies), Palermo, Italy. .,Fondazione Ri.MED, Palermo, Italy.
| | - Maria Rita Sciuto
- Department of Hematology, Oncology, and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Giuseppe Maria Raffa
- Department for the Treatment and Study of Cardiothoracic Diseases and Cardiothoracic Transplantation, Cardiac Surgery and Heart Transplantation Unit, IRCCS-ISMETT (Mediterranean Institute for Transplantation and advanced specialized Therapies), Palermo, Italy
| | - Michele Pilato
- Department for the Treatment and Study of Cardiothoracic Diseases and Cardiothoracic Transplantation, Cardiac Surgery and Heart Transplantation Unit, IRCCS-ISMETT (Mediterranean Institute for Transplantation and advanced specialized Therapies), Palermo, Italy
| | - Pier Giulio Conaldi
- Department of Laboratory Medicine and Advanced Biotechnologies, Regenerative Medicine and Biomedical Technologies Unit, IRCCS-ISMETT (Mediterranean Institute for Transplantation and advanced specialized Therapies), Palermo, Italy
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26
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Gona F, Caio C, Iannolo G, Monaco F, Di Mento G, Cuscino N, Fontana I, Panarello G, Maugeri G, Mezzatesta ML, Stefani S, Conaldi PG. Detection of the IncX3 plasmid carrying blaKPC-3 in a Serratia marcescens strain isolated from a kidney-liver transplanted patient. J Med Microbiol 2017; 66:1454-1456. [PMID: 28920846 DOI: 10.1099/jmm.0.000592] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Dissemination of resistance to carbapenems among Enterobacteriaceae through plasmids is an increasingly important concern in health care worldwide. Here we report the first description of an IncX3 plasmid carrying the blaKPC-3 gene in a strain of Serratia marcescens isolated from a kidney-liver transplanted patient at the transplantation centre ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione, Palermo, Italy). To localize the transposable element containing the resistance-associated gene Next-Generation Sequencing of the bacterial DNA was performed. S. marcescens was positive for blaKPC-3 and blaSHV-11 genes. The molecular analysis demonstrated that the blaKPC-3 gene of this bacterial strain was located in one copy of the Tn-3-like element Tn4401-a carried in a plasmid that is 53 392 bp in size and showed the typical IncX3 scaffold. Our data demonstrated the presence of a new blaKPC-3 harbouring the IncX3 plasmid in S. marcescens. The possible dissemination among Enterobacteriaceae of this type of plasmid should be monitored and evaluated in terms of clinical risk.
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Affiliation(s)
- Floriana Gona
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Palermo, Italy
| | - Carla Caio
- Fondazione Ri.MED, Regenerative Medicine and Biomedical Technologies Unit, Palermo, Italy
| | - Gioacchin Iannolo
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Palermo, Italy
| | - Francesco Monaco
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Palermo, Italy
| | - Giuseppina Di Mento
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Palermo, Italy
| | - Nicola Cuscino
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Palermo, Italy
| | - Ignazio Fontana
- Institute of Biosciences and Bioresources, National Research Council (IBBR-CNR), Palermo, Italy
| | | | - Gaetano Maugeri
- Department of Biomedical and Biotechnological Sciences, Section of Microbiology, University of Catania, Italy
| | - Maria Lina Mezzatesta
- Department of Biomedical and Biotechnological Sciences, Section of Microbiology, University of Catania, Italy
| | - Stefania Stefani
- Department of Biomedical and Biotechnological Sciences, Section of Microbiology, University of Catania, Italy
| | - Pier Giulio Conaldi
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), Palermo, Italy.,Fondazione Ri.MED, Regenerative Medicine and Biomedical Technologies Unit, Palermo, Italy
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Russelli G, Pizzillo P, Iannolo G, Barbera F, Tuzzolino F, Liotta R, Traina M, Vizzini G, Gridelli B, Badami E, Conaldi PG. HCV replication in gastrointestinal mucosa: Potential extra-hepatic viral reservoir and possible role in HCV infection recurrence after liver transplantation. PLoS One 2017; 12:e0181683. [PMID: 28750044 PMCID: PMC5531480 DOI: 10.1371/journal.pone.0181683] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 07/04/2017] [Indexed: 12/12/2022] Open
Abstract
PURPOSE Hepatitis C virus (HCV) predominantly infects hepatocytes, although it is known that receptors for viral entry are distributed on a wide array of target cells. Chronic HCV infection is indeed characterized by multiple non-liver manifestations, suggesting a more complex HCV tropism extended to extrahepatic tissues and remains to be fully elucidated. In this study, we investigated the gastrointestinal mucosa (GIM) as a potential extrahepatic viral replication site and its contribution to HCV recurrence. METHODS We analyzed GIM biopsies from a cohort of 76 patients, 11 of which were HCV-negative and 65 HCV-positive. Of these, 54 biopsies were from liver-transplanted patients. In 29 cases, we were able to investigate gastrointestinal biopsies from the same patient before and after transplant. To evaluate the presence of HCV, we looked for viral antigens and genome RNA, whilst to assess viral replicative activity, we searched for the replicative intermediate minus-strand RNA. We studied the genetic diversity and the phylogenetic relationship of HCV quasispecies from plasma, liver and gastrointestinal mucosa of HCV-liver-transplanted patients in order to assess HCV compartmentalization and possible contribution of gastrointestinal variants to liver re-infection after transplantation. RESULTS Here we show that HCV infects and replicates in the cells of the GIM and that the favorite hosts were mostly enteroendocrine cells. Interestingly, we observed compartmentalization of the HCV quasispecies present in the gastrointestinal mucosa compared to other tissues of the same patient. Moreover, the phylogenetic analysis revealed a high similarity between HCV variants detected in gastrointestinal mucosa and those present in the re-infected graft. CONCLUSIONS Our results demonstrated that the gastrointestinal mucosa might be considered as an extrahepatic reservoir of HCV and that could contribute to viral recurrence. Moreover, the finding that HCV infects and replicates in neuroendocrine cells opens new perspectives on the role of these cells in the natural history of HCV infection.
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Affiliation(s)
- Giovanna Russelli
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Palermo, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Paola Pizzillo
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Palermo, Italy
| | - Gioacchin Iannolo
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Palermo, Italy
| | - Floriana Barbera
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Palermo, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | | | - Rosa Liotta
- Pathology Service, Department of Diagnostic and Therapeutic Services, IRCCS-ISMETT, Palermo, Italy
| | - Mario Traina
- Endoscopy Service, Department of Diagnostic and Therapeutic Services, IRCCS-ISMETT, Palermo, Italy
| | - Giovanni Vizzini
- Department for the Treatment and Study of Abdominal Diseases and Abdominal Transplantation, IRCCS-ISMETT, Palermo, Italy
| | - Bruno Gridelli
- Department for the Treatment and Study of Abdominal Diseases and Abdominal Transplantation, IRCCS-ISMETT, Palermo, Italy
| | | | - Pier Giulio Conaldi
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Palermo, Italy
- Fondazione Ri.MED, Palermo, Italy
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28
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Giuffrida R, Adamo L, Iannolo G, Vicari L, Giuffrida D, Eramo A, Gulisano M, Memeo L, Conticello C. Resistance of papillary thyroid cancer stem cells to chemotherapy. Oncol Lett 2016; 12:687-691. [PMID: 27347201 DOI: 10.3892/ol.2016.4666] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Accepted: 03/01/2016] [Indexed: 12/30/2022] Open
Abstract
Thyroid carcinoma is the most common endocrine neoplasm, with the highest mortality rate of all the endocrine cancers. Among the endocrine malignancies, ~80% are papillary thyroid carcinomas (PTCs). In the initiation and progression of this tumor, genetic alterations in the mitogen-associated protein kinase pathway, including RAS point mutations, RET/PTC oncogene rearrangements and BRAF point mutations, play an important role, particularly in deciding targeted therapy. In the present study, a small population of thyroid tumor cells, known as tumor spheres, were isolated and characterized from PTC surgical samples. These spheres can be expanded indefinitely in vitro and give rise to differentiated adherent cells when cultivated in differentiative conditions. The present study showed by reverse transcription-polymerase chain reaction and flow cytometric analysis that the undifferentiated PTC cells exhibited a characteristic antigen expression profile of adult progenitor/stem cells. The cells were more resistant to chemotherapeutics, including bortezomib, taxol, cisplatin, etoposide, doxorubicin and vincristine, than differentiated PTC cells and the majority possessed a quiescent status, as revealed by the various cell cycle characteristics and anti-apoptotic protein expression. Such advances in cancer thyroid stem cell biology may provide relevant information for future targeted therapies.
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Affiliation(s)
| | - Luana Adamo
- Cell Biology Unit, IOM Ricerca Srl, Viagrande, I-95029 Catania, Italy
| | - Gioacchin Iannolo
- Cell Biology Unit, IOM Ricerca Srl, Viagrande, I-95029 Catania, Italy; Regenerative Medicine and Biomedical Technologies Unit, Department of Laboratory Medicine and Advanced Biotechnologies, Mediterranean Institute for Transplantation and Advanced Specialized Therapies, I-90127 Palermo, Italy
| | - Luisa Vicari
- Cell Biology Unit, IOM Ricerca Srl, Viagrande, I-95029 Catania, Italy
| | - Dario Giuffrida
- Department of Experimental Oncology, Mediterranean Institute of Oncology, Viagrande, I-95029 Catania, Italy
| | - Adriana Eramo
- Department of Hematology, Oncology and Molecular Medicine, National Institute of Health, I-00161 Rome, Italy
| | - Massimo Gulisano
- Cell Biology Unit, IOM Ricerca Srl, Viagrande, I-95029 Catania, Italy
| | - Lorenzo Memeo
- Cell Biology Unit, IOM Ricerca Srl, Viagrande, I-95029 Catania, Italy; Department of Experimental Oncology, Mediterranean Institute of Oncology, Viagrande, I-95029 Catania, Italy
| | - Concetta Conticello
- Department of Experimental Oncology, Mediterranean Institute of Oncology, Viagrande, I-95029 Catania, Italy
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29
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Iannolo G, Sciuto MR, Buccheri S, Colarossi C, De Maria R, Memeo L, Conaldi PG. Numb Expression Contributes to the Maintenance of an Undifferentiated State in Human Epidermis. Cell Transplant 2015; 25:353-64. [PMID: 25994834 DOI: 10.3727/096368915x688245] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The epidermis is a stratified epithelium with a stem cell subpopulation in the basal layer that constantly replicates and periodically detaches from the base, undergoing a differentiation process that involves various developmental signals and regulatory pathways. During the last 10 years, a number of studies tried to elucidate the intricate scenario that maintains the epithelial shield during the entire life span. In our study, we investigated the role of Numb in the skin compartment and, in particular, its involvement in stem cell maintenance. Numb expression in the skin compartment was assessed by immunofluorescence and immunohistochemistry analysis. We evaluated Numb expression in primary epithelial cells at various differentiative stages. Moreover, we overexpressed Numb in the isolated population enriched for undifferentiated progenitors to establish its involvement in in vitro differentiation. We demonstrated that Numb in high-proliferating epithelial undifferentiated progenitors contributes to the maintenance of an undifferentiated state. This regulation involves the E3 ligases Itch binding. Moreover, the analysis of a cohort of cutaneous carcinomas showed that Numb is highly expressed in squamous cell carcinoma (SCC), where we observed a direct correlation between the expression of Numb and Ki-67. Our data indicate for the first time that Numb is involved in the maintenance of the undifferentiated proliferating stem cell pool in the epithelial basal layer and its expression could become a new marker in skin cancer.
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Affiliation(s)
- Gioacchin Iannolo
- Fondazione Ri.MED, Regenerative Medicine and Biomedical Technologies Unit, Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS-ISMETT, Palermo, Italy
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Iannolo G, Sciuto MR, La Rosa C, Conticello C. MARCH-I expression in cord blood CD34+KDR+ cells. Clin Biochem 2011; 44:725-7. [PMID: 21385572 DOI: 10.1016/j.clinbiochem.2011.02.011] [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] [Received: 12/16/2010] [Revised: 02/07/2011] [Accepted: 02/21/2011] [Indexed: 11/19/2022]
Abstract
Hematopoietic stem cells transplantation has been successfully used in the treatment of patients with hematological malignances. A better knowledge of the mechanisms beyond their ability to completely repopulate the entire hematopoietic system would help in the treatment of hematological diseases. For this reason we focused our studies on a cell population that has been demonstrated to have some peculiar characteristics among the stem cells: CD34+KDR+ cells. These cells, an extremely rare population among the CD34 (0.1%-0.5%) cells, have been demonstrated from different groups to have the potential to give rise to the hematopoietic and endothelial lineage. By a subtraction library approach we found different sequences more expressed in CD34+KDR+ than their CD34+KDR- counterpart. In particular, we found an open reading frame correspondent to a newly characterized E3 ligase, MARCH-I. This gene is part of a recently described family involved in immune response modulation through the proteosomal mediated degradation. MARCH-I expression in stem cells could be important for their intrinsic immune properties.
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Affiliation(s)
- Gioacchin Iannolo
- Department Experimental Oncology, Mediterranean Institute of Oncology, Viagrande, Catania, Italy.
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31
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Ristić-Fira A, Korićanac L, Žakula J, Keta O, Iannolo G, Cuttone G, Petrović I. Proton inactivation of melanoma cells enhanced by fotemustine. Radiat Prot Dosimetry 2011; 143:503-507. [PMID: 21183545 DOI: 10.1093/rpd/ncq527] [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
Response of human HTB140 melanoma cells to proton irradiation in combination with fotemustine (FM) was investigated. Effects of these agents were analysed on cell proliferation and induction of apoptosis. Cells pretreated with 100- or 250-µM of FM were irradiated in the middle of the therapeutic 62-MeV proton spread-out Bragg peak, with a dose of 16 Gy. All treatments reduced proliferation and survival of melanoma cells. The most pronounced effects of the combined treatment were obtained for cell survivals. The level of apoptosis increased after all applied treatments. Particularly good pro-apoptotic effect was achieved when proton irradiation was combined with 250 μM of FM. This was followed by the increased expression of p53 gene. The obtained results have shown that combined application of FM and protons significantly reduced growth of this resistant melanoma cell line.
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Affiliation(s)
- Aleksandra Ristić-Fira
- Laboratory of Molecular Biology and Endocrinology, Vinča Institute of Nuclear Sciences, University of Belgrade, PO Box 522, Belgrade 11001, Serbia.
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32
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Conticello C, Giuffrida R, Adamo L, Anastasi G, Martinetti D, Salomone E, Colarossi C, Amato G, Gorgone A, Romano A, Iannolo G, De Maria R, Giustolisi R, Gulisano M, Di Raimondo F. NF-κB localization in multiple myeloma plasma cells and mesenchymal cells. Leuk Res 2011; 35:52-60. [DOI: 10.1016/j.leukres.2010.06.023] [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: 01/26/2010] [Revised: 05/05/2010] [Accepted: 06/28/2010] [Indexed: 01/02/2023]
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Ristić-Fira AM, Korićanac LB, Zakula JJ, Valastro LM, Iannolo G, Privitera G, Cuttone G, Petrović IM. Effects of fotemustine or dacarbasine on a melanoma cell line pretreated with therapeutic proton irradiation. J Exp Clin Cancer Res 2009; 28:50. [PMID: 19358719 PMCID: PMC2672057 DOI: 10.1186/1756-9966-28-50] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2009] [Accepted: 04/09/2009] [Indexed: 01/30/2023]
Abstract
Background Considering that HTB140 melanoma cells have shown a poor response to either protons or alkylating agents, the effects of a combined use of these agents have been analysed. Methods Cells were irradiated in the middle of the therapeutic 62 MeV proton spread out Bragg peak (SOBP). Irradiation doses were 12 or 16 Gy and are those frequently used in proton therapy. Four days after irradiation cells were treated with fotemustine (FM) or dacarbazine (DTIC). Drug concentrations were 100 and 250 μM, values close to those that produce 50% of growth inhibition. Cell viability, proliferation, survival and cell cycle distribution were assessed 7 days after irradiation that corresponds to more than six doubling times of HTB140 cells. In this way incubation periods providing the best single effects of drugs (3 days) and protons (7 days) coincided at the same time. Results Single proton irradiations have reduced the number of cells to ~50%. FM caused stronger cell inactivation due to its high toxicity, while the effectiveness of DTIC, that was important at short term, almost vanished with the incubation of 7 days. Cellular mechanisms triggered by proton irradiation differently influenced the final effects of combined treatments. Combination of protons and FM did not improve cell inactivation level achieved by single treatments. A low efficiency of the single DTIC treatment was overcome when DTIC was introduced following proton irradiation, giving better inhibitory effects with respect to the single treatments. Most of the analysed cells were in G1/S phase, viable, active and able to replicate DNA. Conclusion The obtained results are the consequence of a high resistance of HTB140 melanoma cells to protons and/or drugs. The inactivation level of the HTB140 human melanoma cells after protons, FM or DTIC treatments was not enhanced by their combined application.
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Conticello C, Adamo L, Vicari L, Giuffrida R, Iannolo G, Anastasi G, Caruso L, Moschetti G, Cupri A, Palumbo GA, Gulisano M, De Maria R, Giustolisi R, Di Raimondo F. Antitumor activity of bortezomib alone and in combination with TRAIL in human acute myeloid leukemia. Acta Haematol 2008; 120:19-30. [PMID: 18716397 DOI: 10.1159/000151511] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2008] [Accepted: 06/14/2008] [Indexed: 11/19/2022]
Abstract
Acute myeloid leukemia (AML) is a malignant disease characterized by abnormal proliferation of clonal precursor cells. Although different strategies have been adopted to obtain complete remission, the disease actually progresses in about 60-70% of patients. Bortezomib has been used in multiple myeloma and other lymphoid malignancies because of its antitumor activity. Here we examined the sensitivity of bone marrow cells from AML patients (34 patients: 25 newly diagnosed, 4 relapsed, 5 refractory) to bortezomib alone or in combination with TRAIL, a member of the TNF family that induces apoptosis in tumor cells while sparing normal cells. Bortezomib induced cell death in blasts from each patient sample. The cytotoxic effect was dose- and time-dependent (concentration from 0.001 to 10 microM for 24 and 48 h) and was associated with a downregulation of Bcl-xL and Mcl-1, an upregulation of TRAIL-R1, TRAIL-R2, p21, activation of executioner caspases and a loss of the mitochondrial membrane potential. Moreover, low doses of bortezomib primed TRAIL-resistant AML cells for enhanced TRAIL-mediated killing. These results suggest that a combination of proteasome inhibitors and TRAIL could be effective for treating AML patients, even patients who are refractory to conventional chemotherapy.
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Affiliation(s)
- Concetta Conticello
- Department of Biomedical Sciences, Hematology Section, University of Catania, Catania, Italy
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35
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Conticello C, Adamo L, Giuffrida R, Vicari L, Zeuner A, Eramo A, Anastasi G, Memeo L, Giuffrida D, Iannolo G, Gulisano M, De Maria R. Proteasome inhibitors synergize with tumor necrosis factor-related apoptosis-induced ligand to induce anaplastic thyroid carcinoma cell death. J Clin Endocrinol Metab 2007; 92:1938-42. [PMID: 17327374 DOI: 10.1210/jc.2006-2157] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
CONTEXT Anaplastic thyroid carcinoma (ATC) is one of the most aggressive types of cancer characterized by complete refractoriness to multimodal treatment approaches. Therapeutic strategies based on the simultaneous use of proteasome inhibitors and death receptor ligands have been shown to induce apoptosis in several tumor types but have not yet been explored in ATC. OBJECTIVE AND METHODS The aim of this study was to investigate the ability of the proteasome inhibitor Bortezomib to induce apoptosis in ATC cell lines. Bortezomib was used as a single agent or in combination with TNF-related apoptosis-induced ligand (TRAIL), a member of the TNF family that selectively induces tumor cell apoptosis. The molecular effects of Bortezomib were investigated by analyzing the expression of key regulators of cell cycle and apoptosis and the activation of different apoptotic pathways. RESULTS Bortezomib induced apoptosis in ATC cells at doses achieved in the clinical setting, differently from conventional chemotherapeutic agents. Simultaneous treatment with low doses of Bortezomib and TRAIL had a synergistic effect in inducing massive ATC cell apoptosis. Bortezomib increased the expression of cytotoxic TRAIL receptors, p21 (WAF/CIP1) and proapoptotic second mitochondria-derived activator of caspases/direct inhibitor of apoptosis binding protein with low pI, and reduced the expression of antiapoptotic mediators such as cellular Fas-associated death domain-like IL-1beta converting enzyme inhibitory protein, Bcl-2, Bcl-X(L), and inhibitor of apoptosis-1, thus resulting in cell death induction through the mitochondrial apoptotic pathway. CONCLUSIONS The combination of proteasome inhibitors and TRAIL synergizes to induce the destruction of chemoresistant neoplastic thyrocytes and could represent a promising therapeutic strategy for the treatment of anaplastic thyroid carcinoma.
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Affiliation(s)
- Concetta Conticello
- Department of Experimental Oncology, Meditteranean Institute of Oncology, 95029 Viagrande, Catania, Italy
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Vicari L, Eramo A, Manzella L, Malaguarnera L, Iannolo G, Gulisano M, De Maria R, Messina A, Vigneri P. The PU.1 transcription factor induces cyclin D2 expression in U937 cells. Leukemia 2006; 20:2208-10. [PMID: 17051239 DOI: 10.1038/sj.leu.2404447] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Alessandri G, Pagano S, Bez A, Benetti A, Pozzi S, Iannolo G, Baronio M, Invernici G, Caruso A, Muneretto C, Bisleri G, Parati E. Isolation and culture of human muscle-derived stem cells able to differentiate into myogenic and neurogenic cell lineages. Lancet 2004; 364:1872-83. [PMID: 15555667 DOI: 10.1016/s0140-6736(04)17443-6] [Citation(s) in RCA: 151] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Skeletal-muscle-derived stem cells seem to be a distinct population of immature progenitors of satellite cells, but their functional properties remain unclear, especially in human adult tissue. We investigated their differentiation in samples of skeletal muscle obtained from adults undergoing cardiovascular surgery. METHODS Samples were obtained from the brachioradialis muscle of 12 patients in whom the radial artery was the conduit for myocardial revascularisation. The stem cells were isolated by a procedure similar to that used for rat gastrocnemius and cultured in medium optimised for growth of neural stem cells. Cytometry was used for phenotypic characterisation and immunocytochemistry and RT-PCR to assess differentiation. Immunohistochemistry was used to examine engraftment of skeletal-muscle-derived stem cells into injured rat spinal cord. FINDINGS The skeletal-muscle stem cells consisted of two distinct types: one with the typical spindle morphology of satellite cells, the other of rounded cells. Some cultures could be maintained for longer than 6 months. The cells were mainly positive for desmin and to a lesser extent CD105, vimentin, and AC133/CD133, but negative for FLK-1/KDR, CD34, CD31, CD45, von Willebrand factor, Ve-cadherins, and BCL2. After in-vitro differentiation, the cells were able to organise skeletal-muscle fibres and stained positively for striated-muscle actin, smooth-muscle actin, and desmin. Moreover, they differentiated into astrocytes and neurons, as confirmed by positive staining for characteristic proteins. INTERPRETATION Adult human skeletal muscle includes a population of progenitor stem cells that can generate cells of the same lineage and cells with neurogenic properties. Muscle may therefore be a tissue source for the isolation of pluripotent stem cells for development of cell-based therapies for human myogenic and neurogenic diseases.
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Affiliation(s)
- Giulio Alessandri
- Laboratory of Neurobiology and Neuroregenerative Therapies, Carlo Besta Neurological Institute, Via Celoria 11, 20131 Milan, Italy.
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Offenhäuser N, Borgonovo A, Disanza A, Romano P, Ponzanelli I, Iannolo G, Di Fiore PP, Scita G. The eps8 family of proteins links growth factor stimulation to actin reorganization generating functional redundancy in the Ras/Rac pathway. Mol Biol Cell 2003; 15:91-8. [PMID: 14565974 PMCID: PMC307530 DOI: 10.1091/mbc.e03-06-0427] [Citation(s) in RCA: 98] [Impact Index Per Article: 4.7] [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: 11/11/2022] Open
Abstract
Sos-1, a guanine nucleotide exchange factor (GEF), eps8 and Abi1, two signaling proteins, and the lipid kinase phosphoinositide 3-kinase (PI3-K), assemble in a multimolecular complex required for Rac activation leading to actin cytoskeletal remodeling. Consistently, eps8 -/- fibroblasts fail to form membrane ruffles in response to growth factor stimulation. Surprisingly, eps8 null mice are healthy, fertile, and display no overt phenotype, suggesting the existence of functional redundancy within this pathway. Here, we describe the identification and characterization of a family of eps8-related proteins, comprising three novel gene products, named eps8L1, eps8L2, and eps8L3. Eps8Ls display collinear topology and 27-42% identity to eps8. Similarly to eps8, eps8Ls interact with Abi1 and Sos-1; however, only eps8L1 and eps8L2 activate the Rac-GEF activity of Sos-1, and bind to actin in vivo. Consistently, eps8L1 and eps8L2, but not eps8L3, localize to PDGF-induced, F-actin-rich ruffles and restore receptor tyrosine kinase (RTK)-mediated actin remodeling when expressed in eps8 -/- fibroblasts. Thus, the eps8Ls define a novel family of proteins responsible for functional redundancy in the RTK-activated signaling pathway leading to actin remodeling. Finally, the patterns of expression of eps8 and eps8L2 in mice are remarkably overlapping, thus providing a likely explanation for the lack of overt phenotype in eps8 null mice.
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Abstract
Eps15 was originally identified as a substrate for the kinase activity of the epidermal growth factor receptor (EGFR). Eps15 has a tripartite structure comprising a NH2-terminal portion, which contains three EH domains, a central putative coiled-coil region, and a COOH-terminal domain containing multiple copies of the amino acid triplet Aspartate-Proline-Phenylalanine. A pool of Eps15 is localized at clathrin coated pits where it interacts with the clathrin assembly complex AP-2 and a novel AP-2 binding protein, Epsin. Perturbation of Eps15 and Epsin function inhibits receptor-mediated endocytosis of EGF and transferrin, demonstrating that both proteins are components of the endocytic machinery. Since the family of EH-containing proteins is implicated in various aspects of intracellular sorting, biomolecular strategies aimed at interfering with these processes can now be envisioned. These strategies have potentially far reaching implications extending to the control of cell proliferation. In this regard, it is of note that Eps15 has the potential of transforming NIH-3T3 cells and that the eps15 gene is rearranged with the HRX/ALL/MLL gene in acute myelogeneous leukemias, thus implicating this protein in the subversion of cell proliferation in neoplasia.
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Affiliation(s)
- A E Salcini
- Department of Experimental Oncology, European Institute of Oncology, Milano, Italy
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Sozzani S, Ghezzi S, Iannolo G, Luini W, Borsatti A, Polentarutti N, Sica A, Locati M, Mackay C, Wells TN, Biswas P, Vicenzi E, Poli G, Mantovani A. Interleukin 10 increases CCR5 expression and HIV infection in human monocytes. J Exp Med 1998; 187:439-44. [PMID: 9449724 PMCID: PMC2212126 DOI: 10.1084/jem.187.3.439] [Citation(s) in RCA: 189] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The immunosuppressive and antiinflammatory cytokine interleukin (IL) 10 selectively upregulates the expression of the CC chemokine receptors CCR5, 2, and 1 in human monocytes by prolonging their mRNA half-life. IL-10-stimulated monocytes display an increased number of cell surface receptors for, and better chemotactic responsiveness to, relevant agonists than do control cells. In addition, IL-10-stimulated monocytes are more efficiently infected by HIV BaL. This effect was associated to the enhancement of viral entry through CCR5. These data add support to an emerging paradigm in which pro- and antiinflammatory molecules exert reciprocal and opposing influence on chemokine agonist production and receptor expression.
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Affiliation(s)
- S Sozzani
- Istituto di Ricerche Farmacologiche 'Mario Negri', 20157 Milan, Italy
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Carbone R, Fré S, Iannolo G, Belleudi F, Mancini P, Pelicci PG, Torrisi MR, Di Fiore PP. eps15 and eps15R are essential components of the endocytic pathway. Cancer Res 1997; 57:5498-504. [PMID: 9407958] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
eps15 and eps1SR are substrates of the epidermal growth factor (EGF) receptor kinase that are characterized by the presence of a protein:protein interaction domain, the EH domain, and by their ability to bind to the clathrin adaptor protein complex adaptor protein 2. Indirect evidence suggests that eps15 and eps15R are involved in endocytosis. Here we show that microinjection of antibodies against eps15 and eps15R inhibits internalization of EGF and transferrin. In addition, fragments of eps15 (encompassing its EH domains or the COOH-terminal region that binds to adaptor protein 2) inhibit EGF internalization or endocytosis of Sindbis virus. These results demonstrate that eps15 and eps15R are essential components of the endocytic machinery.
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Affiliation(s)
- R Carbone
- Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
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Iannolo G, Minenkova O, Gonfloni S, Castagnoli L, Cesareni G. Construction, exploitation and evolution of a new peptide library displayed at high density by fusion to the major coat protein of filamentous phage. Biol Chem 1997; 378:517-21. [PMID: 9224932 DOI: 10.1515/bchm.1997.378.6.517] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [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: 02/04/2023]
Abstract
The amino-terminus of the major coat protein (PVIII) of filamentous phage can be extended, up to 6-7 residues, without interfering with the phage life cycle. We have constructed a library of approximately ten millions different phage each displaying a different octapeptide joined to the amino-terminus of the 2700 copies of PVIII. Most of the resulting clones are able to produce infective particles. This molecular repertoire constituted by the periodic regular decoration of the phage filament surface, can be utilized to search elements that bind proteins or relatively small organic molecules like the textile dye Cibacron blue. By sequential growth cycles we have performed a library evolution experiment to select phage clones that have a growth advantage in the absence of any requirement for binding a specific target. The consensus of the best growers reveals a Pro rich sequence with large hydrophobic residues at position 7 and Asn at position 1 of the random peptide insert. We propose that the assembly secretion process is favoured in phages displaying this family of peptides since they fit the groove between two adjacent PVIII subunits by making advantageous molecular contacts on the phage surface.
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Affiliation(s)
- G Iannolo
- Department of Biology, University of Rome Tor Vergata, Italy
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Iannolo G, Salcini AE, Gaidarov I, Goodman OB, Baulida J, Carpenter G, Pelicci PG, Di Fiore PP, Keen JH. Mapping of the molecular determinants involved in the interaction between eps15 and AP-2. Cancer Res 1997; 57:240-5. [PMID: 9000562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
eps15, a substrate for the epidermal growth factor receptor and other receptor tyrosine kinases, possesses a discrete domain structure with protein-binding properties. It interacts with a number of cellular proteins through an evolutionarily conserved protein-binding domain, the eps15 homology domain, located in its NH2-terminal region. In addition, a proline-rich region, located in the COOH-terminal portion of eps15, can bind to the Src homology 3 domain of the crk proto-oncogene product in vitro. Recently, coimmunoprecipitation between eps15 and AP-2, a major component of coated pits, was reported. Here, we characterize the molecular determinants of the eps15/AP-2 interaction. The AP-2 binding region of eps15 is localized in its COOH-terminal region and spans approximately 80 amino acids. At least three molecular determinants, located at residues 650-660, 680-690, and 720-730, are involved in the binding. AP-2 binds to eps15 through its alpha subunit (alpha-adaptin); in particular, the COOH-terminal region of alpha-adaptin, the so-called alpha-ear, contains the eps15 binding region.
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Affiliation(s)
- G Iannolo
- Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
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Abstract
Ff filamentous phages are long thin cylindrical structures that infect bacteria displaying the F pilus and replicate without lysing the host. These structures are exploited to display peptides by fusing them to the amino terminus of either the bacterial receptor protein (pIII) or the major coat protein (pVIII). We have analysed a vast collection of phage mutants containing substitutions and insertions in the amino terminus of pVIII to ask whether any chemical group of this solvent exposed region of the phage capsid has any key function in the phage life cycle. Any of the five amino-terminal residues can be substituted by most amino acids without affecting phage assembly suggesting that this region does not play any essential role in morphogenesis. However, a deletion of three residues delta (Gly3Asp4Asp5) results in a phage clone with an decreased ability to produce infective particles. By engineering phages designed to display peptides by fusion to the amino terminus of the major coat protein we have found that phage viability is affected by peptide length while peptide sequence plays a minor "tuning" role. Most peptides of six residues are tolerated irrespective of their sequence while only 40% of the phages carrying an amino-terminal extension of eight residues can form infective particles. This fraction drops to 20% and 1% when we attempt to insert peptides 10 and 16 amino acids long. We have used this information to build phage libraries where each phage displays approximately 2700 copies of a different octapeptide all over the phage surface.
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Affiliation(s)
- G Iannolo
- Dipartimento di Biologia, Universitá di Roma Tor Vergata, Italia
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