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Nardini M, Ciasca G, Lauria A, Rossi C, Di Giacinto F, Romanò S, Di Santo R, Papi M, Palmieri V, Perini G, Basile U, Alcaro FD, Di Stasio E, Bizzarro A, Masullo C, De Spirito M. Sensing red blood cell nano-mechanics: Toward a novel blood biomarker for Alzheimer's disease. Front Aging Neurosci 2022; 14:932354. [PMID: 36204549 PMCID: PMC9530048 DOI: 10.3389/fnagi.2022.932354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/10/2022] [Indexed: 11/13/2022] Open
Abstract
Red blood cells (RBCs) are characterized by a remarkable elasticity, which allows them to undergo very large deformation when passing through small vessels and capillaries. This extreme deformability is altered in various clinical conditions, suggesting that the analysis of red blood cell (RBC) mechanics has potential applications in the search for non-invasive and cost-effective blood biomarkers. Here, we provide a comparative study of the mechanical response of RBCs in patients with Alzheimer's disease (AD) and healthy subjects. For this purpose, RBC viscoelastic response was investigated using atomic force microscopy (AFM) in the force spectroscopy mode. Two types of analyses were performed: (i) a conventional analysis of AFM force-distance (FD) curves, which allowed us to retrieve the apparent Young's modulus, E; and (ii) a more in-depth analysis of time-dependent relaxation curves in the framework of the standard linear solid (SLS) model, which allowed us to estimate cell viscosity and elasticity, independently. Our data demonstrate that, while conventional analysis of AFM FD curves fails in distinguishing the two groups, the mechanical parameters obtained with the SLS model show a very good classification ability. The diagnostic performance of mechanical parameters was assessed using receiving operator characteristic (ROC) curves, showing very large areas under the curves (AUC) for selected biomarkers (AUC > 0.9). Taken all together, the data presented here demonstrate that RBC mechanics are significantly altered in AD, also highlighting the key role played by viscous forces. These RBC abnormalities in AD, which include both a modified elasticity and viscosity, could be considered a potential source of plasmatic biomarkers in the field of liquid biopsy to be used in combination with more established indicators of the pathology.
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Affiliation(s)
- Matteo Nardini
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Gabriele Ciasca
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Alessandra Lauria
- Unitá Operativa Complessa Neuroriabilitazione ad Alta Intensitá, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Cristina Rossi
- Department of Laboratory Diagnostic and Infectious Diseases, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Flavio Di Giacinto
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Sabrina Romanò
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Riccardo Di Santo
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Massimiliano Papi
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Valentina Palmieri
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Istituto dei Sistemi Complessi (ISC), Consiglio Nazionale delle Ricerche (CNR), Rome, Italy
| | - Giordano Perini
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Umberto Basile
- Department of Laboratory Diagnostic and Infectious Diseases, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Francesca D. Alcaro
- Department of Laboratory Diagnostic and Infectious Diseases, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Enrico Di Stasio
- Department of Laboratory Diagnostic and Infectious Diseases, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Alessandra Bizzarro
- Unitáă Operativa Complessa Continuità assistenziale, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Carlo Masullo
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Sezione di Neurologia, Dipartimento di Neuroscienze, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Marco De Spirito
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
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Lekka M. Applicability of atomic force microscopy to determine cancer-related changes in cells. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2022; 380:20210346. [PMID: 35909354 DOI: 10.1098/rsta.2021.0346] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 02/24/2022] [Indexed: 06/15/2023]
Abstract
The determination of mechanical properties of living cells as an indicator of cancer progression has become possible with the development of local measurement techniques such as atomic force microscopy (AFM). Its most important advantage is a nanoscopic character, implying that very local alterations can be quantified. The results gathered from AFM measurements of various cancers show that, for most cancers, individual cells are characterized by the lower apparent Young's modulus, denoting higher cell deformability. The measured value depends on various factors, like the properties of substrates used for cell growth, force loading rate or indentation depth. Despite this, the results proved the AFM capability to recognize mechanically altered cells. This can significantly impact the development of methodological approaches toward the precise identification of pathological cells. This article is part of the theme issue 'Nanocracks in nature and industry'.
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Affiliation(s)
- Małgorzata Lekka
- Department of Biophysical Microstructures, Institute of Nuclear Physics, Polish Academy of Sciences, PL-31342 Krakow, Poland
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Romanò S, Di Giacinto F, Primiano A, Gervasoni J, Mazzini A, Papi M, Urbani A, Serafino A, De Spirito M, Krasnowska EK, Ciasca G. Label-free spectroscopic characterization of exosomes reveals cancer cell differentiation. Anal Chim Acta 2022; 1192:339359. [DOI: 10.1016/j.aca.2021.339359] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 11/05/2021] [Accepted: 11/06/2021] [Indexed: 12/11/2022]
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De-Giorgio F, Ciasca G, Fecondo G, Mazzini A, De Spirito M, Pascali VL. Estimation of the time of death by measuring the variation of lateral cerebral ventricle volume and cerebrospinal fluid radiodensity using postmortem computed tomography. Int J Legal Med 2021; 135:2615-2623. [PMID: 34562107 PMCID: PMC8523388 DOI: 10.1007/s00414-021-02698-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 08/27/2021] [Indexed: 12/21/2022]
Abstract
Using postmortem CT (PMCT), changes in the volume of the lateral cerebral ventricles (LCVs) and modifications of the radiodensity of cerebrospinal fluid (CSF) have been examined to identify a possible relationship between these changes and the time of death. Subsequent periodical CT scans termed "sequential scans" for ten corpses at known time of death were obtained, and a 3D segmentation of the entire LCV was carried out to measure its volume and radiodensity over time from ~ 5.5- h up to 273-h postmortem. A linear decrease of the LCV volume for all the cases was observed in the investigated time range, together with an overall logarithmic increase of radiodensity. Although a larger sampling should be performed to improve the result reliability, our finding suggests that the postmortem variation of CSF radiodensity can be a potentially useful tool in determining postmortem interval, a finding that is worthy of further investigation.
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Affiliation(s)
- Fabio De-Giorgio
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
- Department of Healthcare Surveillance and Bioethics, Section of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy.
| | - Gabriele Ciasca
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Neuroscience Department, Section of Physics, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Gennaro Fecondo
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Department of Healthcare Surveillance and Bioethics, Section of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Alberto Mazzini
- Neuroscience Department, Section of Physics, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Marco De Spirito
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Neuroscience Department, Section of Physics, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Vincenzo L Pascali
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Department of Healthcare Surveillance and Bioethics, Section of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy
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Di Santo R, Romanò S, Mazzini A, Jovanović S, Nocca G, Campi G, Papi M, De Spirito M, Di Giacinto F, Ciasca G. Recent Advances in the Label-Free Characterization of Exosomes for Cancer Liquid Biopsy: From Scattering and Spectroscopy to Nanoindentation and Nanodevices. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1476. [PMID: 34199576 PMCID: PMC8230295 DOI: 10.3390/nano11061476] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/24/2021] [Accepted: 05/27/2021] [Indexed: 12/26/2022]
Abstract
Exosomes (EXOs) are nano-sized vesicles secreted by most cell types. They are abundant in bio-fluids and harbor specific molecular constituents from their parental cells. Due to these characteristics, EXOs have a great potential in cancer diagnostics for liquid biopsy and personalized medicine. Despite this unique potential, EXOs are not yet widely applied in clinical settings, with two main factors hindering their translational process in diagnostics. Firstly, conventional extraction methods are time-consuming, require large sample volumes and expensive equipment, and often do not provide high-purity samples. Secondly, characterization methods have some limitations, because they are often qualitative, need extensive labeling or complex sampling procedures that can induce artifacts. In this context, novel label-free approaches are rapidly emerging, and are holding potential to revolutionize EXO diagnostics. These methods include the use of nanodevices for EXO purification, and vibrational spectroscopies, scattering, and nanoindentation for characterization. In this progress report, we summarize recent key advances in label-free techniques for EXO purification and characterization. We point out that these methods contribute to reducing costs and processing times, provide complementary information compared to the conventional characterization techniques, and enhance flexibility, thus favoring the discovery of novel and unexplored EXO-based biomarkers. In this process, the impact of nanotechnology is systematically highlighted, showing how the effectiveness of these techniques can be enhanced using nanomaterials, such as plasmonic nanoparticles and nanostructured surfaces, which enable the exploitation of advanced physical phenomena occurring at the nanoscale level.
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Affiliation(s)
- Riccardo Di Santo
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy; (R.D.S.); (S.R.); (A.M.); (G.N.); (M.P.); (F.D.G.)
| | - Sabrina Romanò
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy; (R.D.S.); (S.R.); (A.M.); (G.N.); (M.P.); (F.D.G.)
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica Del Sacro Cuore, 00168 Roma, Italy
| | - Alberto Mazzini
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy; (R.D.S.); (S.R.); (A.M.); (G.N.); (M.P.); (F.D.G.)
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica Del Sacro Cuore, 00168 Roma, Italy
| | - Svetlana Jovanović
- “Vinča” Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia;
| | - Giuseppina Nocca
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy; (R.D.S.); (S.R.); (A.M.); (G.N.); (M.P.); (F.D.G.)
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Gaetano Campi
- Rome International Centre Materials Science Superstripes RICMASS, via dei Sabelli 119A, 00185 Rome, Italy;
- Institute of Crystallography, CNR, via Salaria Km 29. 300, Monterotondo Stazione, 00016 Roma, Italy
| | - Massimiliano Papi
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy; (R.D.S.); (S.R.); (A.M.); (G.N.); (M.P.); (F.D.G.)
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica Del Sacro Cuore, 00168 Roma, Italy
| | - Marco De Spirito
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy; (R.D.S.); (S.R.); (A.M.); (G.N.); (M.P.); (F.D.G.)
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica Del Sacro Cuore, 00168 Roma, Italy
| | - Flavio Di Giacinto
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy; (R.D.S.); (S.R.); (A.M.); (G.N.); (M.P.); (F.D.G.)
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica Del Sacro Cuore, 00168 Roma, Italy
| | - Gabriele Ciasca
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy; (R.D.S.); (S.R.); (A.M.); (G.N.); (M.P.); (F.D.G.)
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica Del Sacro Cuore, 00168 Roma, Italy
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Di Giacinto F, Tartaglione L, Nardini M, Mazzini A, Romanò S, Rizzo GE, Papi M, De Spirito M, Pitocco D, Ciasca G. Searching for the Mechanical Fingerprint of Pre-diabetes in T1DM: A Case Report Study. Front Bioeng Biotechnol 2020; 8:569978. [PMID: 33117782 PMCID: PMC7552738 DOI: 10.3389/fbioe.2020.569978] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 08/27/2020] [Indexed: 01/11/2023] Open
Abstract
We report the case of a 38 year-old Caucasian man enrolled in a study aimed at investigating the physical properties of red blood cells (RBCs) using advanced microscopy techniques, including Atomic Force Microscopy (AFM). At the time of his first enrolment in the study, he had normal Fasting Plasma Glucose (FPG) values, a BMI of 24.1, and no other symptoms of diabetes, including fatigue, high triglycerides, low HDL cholesterol, and altered inflammatory and corpuscular RBC indices. The subject reported no family history of diabetes, obesity, and cardiovascular diseases. Despite his apparently healthy conditions, the biomechanics of his RBCs was altered, showing increased values of stiffness and viscosity. More than 1 year after the mechanical measurements, the subject was admitted to the Operational Unit of Diabetology of the Policlinico Gemelli Hospital with high blood glucose and glycosylated hemoglobin (HbA1c) levels and diagnosed with type 1 diabetes (T1DM). Here, we show these data, and we discuss the hypothesis that RBC mechanical properties could be sensitive to changes occurring during the pre-diabetic phase of T1DM.
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Affiliation(s)
- Flavio Di Giacinto
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico A. Gemelli IRCCS, Rome, Italy
| | - Linda Tartaglione
- Diabetes Care Unit, Catholic University School of Medicine and Fondazione Policlinico Universitario “A. Gemelli” Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Matteo Nardini
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico A. Gemelli IRCCS, Rome, Italy
| | - Alberto Mazzini
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico A. Gemelli IRCCS, Rome, Italy
| | - Sabrina Romanò
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico A. Gemelli IRCCS, Rome, Italy
| | - Gaetano Emanuele Rizzo
- Diabetes Care Unit, Catholic University School of Medicine and Fondazione Policlinico Universitario “A. Gemelli” Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Massimiliano Papi
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico A. Gemelli IRCCS, Rome, Italy
| | - Marco De Spirito
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico A. Gemelli IRCCS, Rome, Italy
| | - Dario Pitocco
- Diabetes Care Unit, Catholic University School of Medicine and Fondazione Policlinico Universitario “A. Gemelli” Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Gabriele Ciasca
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico A. Gemelli IRCCS, Rome, Italy
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