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Marassi V, Giordani S, Placci A, Punzo A, Caliceti C, Zattoni A, Reschiglian P, Roda B, Roda A. Emerging Microfluidic Tools for Simultaneous Exosomes and Cargo Biosensing in Liquid Biopsy: New Integrated Miniaturized FFF-Assisted Approach for Colon Cancer Diagnosis. SENSORS (BASEL, SWITZERLAND) 2023; 23:9432. [PMID: 38067805 PMCID: PMC10708636 DOI: 10.3390/s23239432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/18/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023]
Abstract
The early-stage diagnosis of cancer is a crucial clinical need. The inadequacies of surgery tissue biopsy have prompted a transition to a less invasive profiling of molecular biomarkers from biofluids, known as liquid biopsy. Exosomes are phospholipid bilayer vesicles present in many biofluids with a biologically active cargo, being responsible for cell-to-cell communication in biological systems. An increase in their excretion and changes in their cargo are potential diagnostic biomarkers for an array of diseases, including cancer, and they constitute a promising analyte for liquid biopsy. The number of exosomes released, the morphological properties, the membrane composition, and their content are highly related to the physiological and pathological states. The main analytical challenge to establishing liquid biopsy in clinical practice is the development of biosensors able to detect intact exosomes concentration and simultaneously analyze specific membrane biomarkers and those contained in their cargo. Before analysis, exosomes also need to be isolated from biological fluids. Microfluidic systems can address several issues present in conventional methods (i.e., ultracentrifugation, size-exclusion chromatography, ultrafiltration, and immunoaffinity capture), which are time-consuming and require a relatively high amount of sample; in addition, they can be easily integrated with biosensing systems. A critical review of emerging microfluidic-based devices for integrated biosensing approaches and following the major analytical need for accurate diagnostics is presented here. The design of a new miniaturized biosensing system is also reported. A device based on hollow-fiber flow field-flow fractionation followed by luminescence-based immunoassay is applied to isolate intact exosomes and characterize their cargo as a proof of concept for colon cancer diagnosis.
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Affiliation(s)
- Valentina Marassi
- Department of Chemistry “G. Ciamician”, University of Bologna, 40126 Bologna, Italy; (V.M.); (S.G.); (A.P.); (A.Z.); (P.R.)
- National Institute of Biostructure and Biosystems (INBB), 00136 Rome, Italy; (A.P.); (C.C.)
- byFlow srl, 40129 Bologna, Italy
| | - Stefano Giordani
- Department of Chemistry “G. Ciamician”, University of Bologna, 40126 Bologna, Italy; (V.M.); (S.G.); (A.P.); (A.Z.); (P.R.)
| | - Anna Placci
- Department of Chemistry “G. Ciamician”, University of Bologna, 40126 Bologna, Italy; (V.M.); (S.G.); (A.P.); (A.Z.); (P.R.)
| | - Angela Punzo
- National Institute of Biostructure and Biosystems (INBB), 00136 Rome, Italy; (A.P.); (C.C.)
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40138 Bologna, Italy
| | - Cristiana Caliceti
- National Institute of Biostructure and Biosystems (INBB), 00136 Rome, Italy; (A.P.); (C.C.)
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40138 Bologna, Italy
- Interdepartmental Centre for Renewable Sources, Environment, Sea and Energy—CIRI FRAME, University of Bologna, 40131 Bologna, Italy
- Interdepartmental Centre for Industrial Agrofood Research—CIRI Agrofood, University of Bologna, 47521 Cesena, Italy
| | - Andrea Zattoni
- Department of Chemistry “G. Ciamician”, University of Bologna, 40126 Bologna, Italy; (V.M.); (S.G.); (A.P.); (A.Z.); (P.R.)
- National Institute of Biostructure and Biosystems (INBB), 00136 Rome, Italy; (A.P.); (C.C.)
- byFlow srl, 40129 Bologna, Italy
| | - Pierluigi Reschiglian
- Department of Chemistry “G. Ciamician”, University of Bologna, 40126 Bologna, Italy; (V.M.); (S.G.); (A.P.); (A.Z.); (P.R.)
- National Institute of Biostructure and Biosystems (INBB), 00136 Rome, Italy; (A.P.); (C.C.)
- byFlow srl, 40129 Bologna, Italy
| | - Barbara Roda
- Department of Chemistry “G. Ciamician”, University of Bologna, 40126 Bologna, Italy; (V.M.); (S.G.); (A.P.); (A.Z.); (P.R.)
- National Institute of Biostructure and Biosystems (INBB), 00136 Rome, Italy; (A.P.); (C.C.)
- byFlow srl, 40129 Bologna, Italy
| | - Aldo Roda
- Department of Chemistry “G. Ciamician”, University of Bologna, 40126 Bologna, Italy; (V.M.); (S.G.); (A.P.); (A.Z.); (P.R.)
- National Institute of Biostructure and Biosystems (INBB), 00136 Rome, Italy; (A.P.); (C.C.)
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Tracking Heme-Protein Interactions in Healthy and Pathological Human Serum in Native Conditions by Miniaturized FFF-Multidetection. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12136762] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The interaction of heme with blood serum proteins plays an important role in many physiological and pathological processes involving enzyme activity, gene expression and cell proliferation. The mechanisms underlying these interactions are; however, not yet fully understood. New analytical methods able to investigate protein-heme binding in native, biologically representative conditions are thus required. In this work, we present a method based on miniaturized, hollow-fiber flow field-flow fractionation with multiple spectrophotometric and light-scattering detection for size separation of high-abundance serum proteins and selective detection of heme-bound subpopulations. Heme is found to mainly interact with serum albumin, whereas a low amount also binds to other proteins such as IgM. The ability to bind heme in physiological conditions is also investigated for individual serum proteins. IgG is found unable to bind heme at clinically relevant concentrations. The proposed method allows separation, quantitation, and mass/size characterization of serum high-abundance proteins, providing information of heme-protein complex stability and preferred heme-clearing pathways. The same approach could be in perspective extended to the investigation of specific heme-antibody binding, and to further studies involving other molecules of pharmaceutical/clinical interest.
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Marassi V, De Marchis F, Roda B, Bellucci M, Capecchi A, Reschiglian P, Pompa A, Zattoni A. Perspectives on protein biopolymers: miniaturized flow field-flow fractionation-assisted characterization of a single-cysteine mutated phaseolin expressed in transplastomic tobacco plants. J Chromatogr A 2021; 1637:461806. [PMID: 33360435 DOI: 10.1016/j.chroma.2020.461806] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 12/08/2020] [Accepted: 12/10/2020] [Indexed: 01/17/2023]
Abstract
The development of plant-based protein polymers to employ in biofilm production represents the promising intersection between material science and sustainability, and allows to obtain biodegradable materials that also possess excellent physicochemical properties. A possible candidate for protein biopolymer production is phaseolin, a storage protein highly abundant in P Vulgaris beans. We previously showed that transformed tobacco chloroplasts could be employed to express a mutated phaseolin carrying a signal peptide (directing it into the thylakoids) also enriched of a cysteine residue added to its C-terminal region. This modification allows for the formation of inter-chain disulfide bonds, as we previously demonstrated, and should promote polymerization. To verify the effect of the peptide modification and to quantify polymer formation, we employed hollow-fiber flow field-flow fractionation coupled to UV and multi-angle laser scattering detection (HF5-UV-MALS): HF5 allows for the selective size-based separation of phaseolin species, whereas MALS calculates molar mass and conformation state of each population. With the use of two different HF5 separation methods we first observed the native state of P.Vulgaris phaseolin, mainly assembled into trimers, and compared it to mutated phaseolin (P*) which instead resulted highly aggregated. Then we further characterized P* using a second separation method, discriminating between two and distinct high-molecular weight (HMW) species, one averaging 0.8 × 106 Da and the second reaching the tens of million Da. Insight on the conformation of these HMW species was offered from their conformation plots, which confirmed the positive impact of the Cys modification on polymerization.
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Affiliation(s)
- Valentina Marassi
- Department of Chemistry G. Ciamician, University of Bologna, Bologna, Italy; byFlow srl, via dell'Arcoveggio 74, 40128 Bologna (BO), Italy
| | - Francesca De Marchis
- Institute of Biosciences and Bioresources-Research Division of Perugia, National Research Council of Italy, via della Madonna Alta 130, 06128, Perugia (PG), Italy
| | - Barbara Roda
- Department of Chemistry G. Ciamician, University of Bologna, Bologna, Italy; byFlow srl, via dell'Arcoveggio 74, 40128 Bologna (BO), Italy
| | - Michele Bellucci
- Institute of Biosciences and Bioresources-Research Division of Perugia, National Research Council of Italy, via della Madonna Alta 130, 06128, Perugia (PG), Italy
| | - Alice Capecchi
- Institute of Biosciences and Bioresources-Research Division of Perugia, National Research Council of Italy, via della Madonna Alta 130, 06128, Perugia (PG), Italy
| | - Pierluigi Reschiglian
- Department of Chemistry G. Ciamician, University of Bologna, Bologna, Italy; byFlow srl, via dell'Arcoveggio 74, 40128 Bologna (BO), Italy
| | - Andrea Pompa
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", via Donato Bramante 28, 61029 Urbino (PU), Italy
| | - Andrea Zattoni
- Department of Chemistry G. Ciamician, University of Bologna, Bologna, Italy; byFlow srl, via dell'Arcoveggio 74, 40128 Bologna (BO), Italy.
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Marassi V, Maggio S, Battistelli M, Stocchi V, Zattoni A, Reschiglian P, Guescini M, Roda B. An ultracentrifugation - hollow-fiber flow field-flow fractionation orthogonal approach for the purification and mapping of extracellular vesicle subtypes. J Chromatogr A 2020; 1638:461861. [PMID: 33472105 DOI: 10.1016/j.chroma.2020.461861] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 12/20/2020] [Accepted: 12/27/2020] [Indexed: 01/02/2023]
Abstract
In the course of their life span, cells release a multitude of different vesicles in the extracellular matrix (EVs), constitutively and/or upon stimulation, carrying signals either inside or on their membrane for intercellular communication. As a natural delivery tool, EVs present many desirable advantages, such as biocompatibility and low toxicity. However, due to the complex biogenesis of EVs and their high heterogeneity in size distribution and composition, the characterization and quantification of EVs and their subpopulations still represents an enticing analytical challenge. Centrifugation methods allow to obtain different subpopulations in an easy way from cell culture conditioned medium and biological fluids including plasma, amniotic fluid and urine, but they still present some drawbacks and limitations. An unsatisfactory isolation can limit their downstream analysis and lead to wrong conclusions regarding biological activities. Isolation and characterization of biologically relevant nanoparticles like EVs is crucial to investigate specific molecular and signaling patterns and requires new combined approaches. Our work was focused on HF5 (miniaturized, hollow-fiber flow field-flow fractionation), and its hyphenation to ultracentrifugation techniques, which are the most assessed techniques for vesicle isolation. We exploited model samples obtained from culture medium of murine myoblasts (C2C12), known to release different subsets of membrane-derived vesicles. Large and small EVs (LEVs and SEVs) were isolated by differential ultracentrifugation (UC). Through an HF5 method employing UV, fluorescence and multi-angle laser scattering as detectors, we characterized these subpopulations in terms of size, abundance and DNA/protein content; moreover, we showed that microvesicles tend to hyper-aggregate and partially release nucleic matter. The quali-quantitative information we obtained from the fractographic profiles was improved with respect to Nano Tracking Analysis (NTA) estimation. The SEV population was then further separated using density gradient centrifugation (DGC), and four fractions were submitted again to HF5-multidetection. This technique is based on a fully orthogonal principle, since F4 does not separate by density, and provided uncorrelated information for each of the fractions processed. The "second dimension" achieved with HF5 showed good promise in sorting particles with both different size and content, and allowed to identify the presence of fibrilloid nucleic matter. This analytical bidimensional approach proved to be effective for the characterization of highly complex biological samples such as mixtures of EVs and could provide purified fractions for further biological characterization.
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Affiliation(s)
- Valentina Marassi
- Department of Chemistry G. Ciamician, University of Bologna, Bologna, Italy; byFlow srl, Bologna, Italy.
| | - Serena Maggio
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
| | - Michela Battistelli
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
| | - Vilberto Stocchi
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
| | - Andrea Zattoni
- Department of Chemistry G. Ciamician, University of Bologna, Bologna, Italy; byFlow srl, Bologna, Italy
| | - Pierluigi Reschiglian
- Department of Chemistry G. Ciamician, University of Bologna, Bologna, Italy; byFlow srl, Bologna, Italy
| | - Michele Guescini
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
| | - Barbara Roda
- Department of Chemistry G. Ciamician, University of Bologna, Bologna, Italy; byFlow srl, Bologna, Italy
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Tan Z, Bai Q, Yin Y, Zhang Y, Chen Q, Moon MH, Liu J. On-line determination of soluble Zn content and size of the residual fraction in PM 2.5 incubated in various aqueous media. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 724:138309. [PMID: 32272413 DOI: 10.1016/j.scitotenv.2020.138309] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/27/2020] [Accepted: 03/28/2020] [Indexed: 06/11/2023]
Abstract
Transition metals in airborne particulate matter, especially those with aerodynamic diameters no more than 2.5 μm (PM2.5), have attracted considerable attention due to their potential environmental and human health risks. However, determination of these potential risks requires comprehensive knowledge of their dissolution behavior and residual size in aqueous media. Herein, we describe an analytical method for on-line determination of the soluble fraction of Zn as a model transition metal and the size of residual PM2.5 using hollow fiber flow field-flow fractionation (HF5) coupled with UV-vis absorption spectroscopy and inductively coupled plasma optical emission spectroscopy. HF5 was directly applied on the incubated samples in pure water (PW), simulated natural water (SNW), and simulated lung fluid (SLF) due to its efficient in-line filtration and excellent fractionation resolution. Firstly, the potential of the proposed method (under optimized conditions) for size characterization was assessed against commercial silica microparticles, and results in good agreement with manufacturer and scanning electron microscopy values were obtained. The accuracy of quantification of soluble Zn in various media was then validated using a standard reference material in terms of satisfactory recoveries compared with the reference values. For the real PM2.5 samples collected from different sites in Beijing, China, the soluble Zn percentages in PW, SNW, and SLF were within 15.4-16.7%, 10.6-12.7%, and 43.1-46.9%, respectively, with the amount of particles smaller than ~10 nm released from PM2.5 increasing in the order of SNW < PW < SLF. The proposed HF5-based method provides a powerful and efficient tool for the quantification of soluble transition metal fractions and size characterization of residual particles with reduced analysis times, thus possessing great promise in real-time tracking of the transformation of PM2.5 in environmental and physiological media and in risk assessment.
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Affiliation(s)
- Zhiqiang Tan
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
| | - Qingsheng Bai
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yongguang Yin
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Yang Zhang
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qiang Chen
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Environment and Ecology, Chengdu University of Technology, Chengdu 610059, China
| | - Myeong Hee Moon
- Department of Chemistry, Yonsei University, Seoul 03722, South Korea
| | - Jingfu Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
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Marassi V, Beretti F, Roda B, Alessandrini A, Facci P, Maraldi T, Zattoni A, Reschiglian P, Portolani M. A new approach for the separation, characterization and testing of potential prionoid protein aggregates through hollow-fiber flow field-flow fractionation and multi-angle light scattering. Anal Chim Acta 2019; 1087:121-130. [PMID: 31585560 DOI: 10.1016/j.aca.2019.08.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 07/27/2019] [Accepted: 08/01/2019] [Indexed: 12/14/2022]
Abstract
Protein misfolding and aggregation are the common mechanisms in a variety of aggregation-dependent diseases. The compromised proteins often assemble into toxic, accumulating amyloid-like structures of various lengths and their toxicity can also be transferred both in vivo and in vitro a prion-like behavior. The characterization of protein interactions, degradation and conformational dynamics in biological systems still represents an analytical challenge in the prion-like protein comprehension. In our work, we investigated the nature of a transferable cytotoxic agent, presumably a misfolded protein, through the coupling of a multi-detector, non-destructive separation platform based on hollow-fiber flow field-flow fractionation with imaging and downstream in vitro tests. After purification with ion exchange chromatography, the transferable cytotoxic agentwas analyzed with Atomic Force Microscopy and statistical analysis, showing that the concentration of protein dimers and low n-oligomer forms was higher in the cytotoxic sample than in the control preparation. To assess whether the presence of these species was the actual toxic and/or self-propagating factor, we employed HF5 fractionation, with UV and Multi-Angle Light Scattering detection, to define proteins molar mass distribution and abundance, and fractionate the sample into size-homogeneous fractions. These fractions were then tested individually in vitro to investigate the direct correlation with cytotoxicity. Only the later-eluted fraction, which contains high-molar mass aggregates, proved to be toxic onto cell cultures. Moreover, it was observed that the selective transfer of toxicity also occurs for one lower-mass fraction, suggesting that two different mechanisms, acute and later induced toxicity, are in place. These results strongly encourage the efficacy of this platform to enable the identification of protein toxicants.
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Affiliation(s)
- Valentina Marassi
- Department of Chemistry G. Ciamician, University of Bologna, Via Selmi 2, 40126, Bologna, Italy; ByFlow Srl, Via dell'Arcoveggio 74, 40129, Bologna, Italy
| | - Francesca Beretti
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, Via del Pozzo, 71, 41124, Modena, Italy
| | - Barbara Roda
- Department of Chemistry G. Ciamician, University of Bologna, Via Selmi 2, 40126, Bologna, Italy; ByFlow Srl, Via dell'Arcoveggio 74, 40129, Bologna, Italy.
| | - Andrea Alessandrini
- CNR-Istituto Nanoscienze, S3, Via Campi 213/A, 41125, Modena, Italy; Department of Physics, Informatics and Mathematics, University of Modena and Reggio Emilia, Via Campi 213/A, 41125, Modena, Italy
| | - Paolo Facci
- CNR-Istituto Nanoscienze, S3, Via Campi 213/A, 41125, Modena, Italy; Department of Physics, Informatics and Mathematics, University of Modena and Reggio Emilia, Via Campi 213/A, 41125, Modena, Italy
| | - Tullia Maraldi
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, Via del Pozzo, 71, 41124, Modena, Italy
| | - Andrea Zattoni
- Department of Chemistry G. Ciamician, University of Bologna, Via Selmi 2, 40126, Bologna, Italy; ByFlow Srl, Via dell'Arcoveggio 74, 40129, Bologna, Italy
| | - Pierluigi Reschiglian
- Department of Chemistry G. Ciamician, University of Bologna, Via Selmi 2, 40126, Bologna, Italy; ByFlow Srl, Via dell'Arcoveggio 74, 40129, Bologna, Italy
| | - Marinella Portolani
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, Via del Pozzo, 71, 41124, Modena, Italy
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Hollow-fiber flow field-flow fractionation and multi-angle light scattering as a new analytical solution for quality control in pharmaceutical nanotechnology. Microchem J 2018. [DOI: 10.1016/j.microc.2016.12.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Asymmetrical Flow Field Flow Fractionation: A Useful Tool for the Separation of Protein Pharmaceuticals and Particulate Systems. ADVANCES IN DELIVERY SCIENCE AND TECHNOLOGY 2016. [DOI: 10.1007/978-1-4939-4029-5_15] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Marassi V, Casolari S, Roda B, Zattoni A, Reschiglian P, Panzavolta S, Tofail SA, Ortelli S, Delpivo C, Blosi M, Costa AL. Hollow-fiber flow field-flow fractionation and multi-angle light scattering investigation of the size, shape and metal-release of silver nanoparticles in aqueous medium for nano-risk assessment. J Pharm Biomed Anal 2015; 106:92-9. [DOI: 10.1016/j.jpba.2014.11.031] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Revised: 11/10/2014] [Accepted: 11/15/2014] [Indexed: 01/30/2023]
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Multivariate DoE Optimization of Asymmetric Flow Field Flow Fractionation Coupled to Quantitative LC-MS/MS for Analysis of Lipoprotein Subclasses. CHROMATOGRAPHY 2015. [DOI: 10.3390/chromatography2010096] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Hydrodynamic size-based separation and characterization of protein aggregates from total cell lysates. Nat Protoc 2014; 10:134-48. [PMID: 25521790 DOI: 10.1038/nprot.2015.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Herein we describe a protocol that uses hollow-fiber flow field-flow fractionation (FFF) coupled with multiangle light scattering (MALS) for hydrodynamic size-based separation and characterization of complex protein aggregates. The fractionation method, which requires 1.5 h to run, was successfully modified from the analysis of protein aggregates, as found in simple protein mixtures, to complex aggregates, as found in total cell lysates. In contrast to other related methods (filter assay, analytical ultracentrifugation, gel electrophoresis and size-exclusion chromatography), hollow-fiber flow FFF coupled with MALS allows a flow-based fractionation of highly purified protein aggregates and simultaneous measurement of their molecular weight, r.m.s. radius and molecular conformation (e.g., round, rod-shaped, compact or relaxed). The polyethersulfone hollow fibers used, which have a 0.8-mm inner diameter, allow separation of as little as 20 μg of total cell lysates. In addition, the ability to run the samples in different denaturing and nondenaturing buffer allows defining true aggregates from artifacts, which can form during sample preparation. The protocol was set up using Paraquat-induced carbonylation, a model that induces protein aggregation in cultured cells. This technique will advance the biochemical, proteomic and biophysical characterization of molecular-weight aggregates associated with protein mutations, as found in many CNS degenerative diseases, or chronic oxidative stress, as found in aging, and chronic metabolic and inflammatory conditions.
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Marassi V, Roda B, Zattoni A, Tanase M, Reschiglian P. Hollow fiber flow field-flow fractionation and size-exclusion chromatography with multi-angle light scattering detection: A complementary approach in biopharmaceutical industry. J Chromatogr A 2014; 1372C:196-203. [DOI: 10.1016/j.chroma.2014.10.072] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 10/22/2014] [Accepted: 10/24/2014] [Indexed: 12/29/2022]
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Hollow-fiber flow field-flow fractionation with multi-angle laser scattering detection for aggregation studies of therapeutic proteins. Anal Bioanal Chem 2013; 406:1619-27. [DOI: 10.1007/s00216-013-7462-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2013] [Revised: 10/20/2013] [Accepted: 10/23/2013] [Indexed: 12/01/2022]
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Johann C, Elsenberg S, Roesch U, Rambaldi DC, Zattoni A, Reschiglian P. A novel approach to improve operation and performance in flow field-flow fractionation. J Chromatogr A 2011; 1218:4126-31. [DOI: 10.1016/j.chroma.2010.12.077] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2010] [Revised: 12/13/2010] [Accepted: 12/16/2010] [Indexed: 11/25/2022]
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15
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Zattoni A, Rambaldi DC, Casolari S, Roda B, Reschiglian P. Tandem hollow-fiber flow field-flow fractionation. J Chromatogr A 2011; 1218:4132-7. [DOI: 10.1016/j.chroma.2011.02.051] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2010] [Revised: 02/17/2011] [Accepted: 02/21/2011] [Indexed: 11/28/2022]
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Kang D, Ji ES, Moon MH, Yoo JS. Lectin-based enrichment method for glycoproteomics using hollow fiber flow field-flow fractionation: application to Streptococcus pyogenes. J Proteome Res 2010; 9:2855-62. [PMID: 20377246 DOI: 10.1021/pr900937w] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
This paper presents a new application of hollow fiber flow field-flow fractionation (HF5) as a preparative method to preconcentrate high mannose type N-linked glycoproteins from Streptococcus pyogenes by means of the mannose-specific binding affinity between concanavalian A (ConA) and N-linked glycosylated proteins. Prior to fractionation of N-linked glycoproteins from bacterial lysates, it was examined that ConA formed several types of multimers depending on the pH values (4, 6, and 8) of the carrier solution and it was confirmed that the molecular weight (MW) of ConA, spiked with alpha-1 acid glycoprotein (AGP) as a standard glycoprotein, increased due to binding with the mannose moiety of AGP. After adding ConA to bacterial lysates, mannose type N-linked glycoproteins were found to be enriched when the ConA fraction was isolated from whole bacterial lysates through HF5 run. For the identification of glycoproteins, the ConA fraction of HF5 was tryptically digested and followed by two-dimensional nanoflow strong cation exchange-reversed phase liquid chromatography-electrospray ionization-tandem mass spectrometry (2D SCX-RPLC-ESI-MS-MS) analysis to identify the N-linked glycoprotein species. From two-dimensional shotgun analyses, 45 proteins that exist on the Asn-Xaa-Ser/Thr sequence were identified as high mannose type N-linked glycoprotein. As a result, it was first demonstrated that HF5 is an alternative tool to enrich high mannose type N-linked glycoproteins using ConA-specific binding affinity.
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Affiliation(s)
- Dukjin Kang
- Mass Spectrometry Research Center, Korea Basic Science Institute, Chungcheongbuk-Do, Korea
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Williams SKR, Runyon JR, Ashames AA. Field-Flow Fractionation: Addressing the Nano Challenge. Anal Chem 2010; 83:634-42. [DOI: 10.1021/ac101759z] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Rambaldi DC, Reschiglian P, Zattoni A. Flow field-flow fractionation: recent trends in protein analysis. Anal Bioanal Chem 2010; 399:1439-47. [DOI: 10.1007/s00216-010-4312-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2010] [Revised: 10/06/2010] [Accepted: 10/07/2010] [Indexed: 11/29/2022]
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Qureshi RN, Kok WT. Application of flow field-flow fractionation for the characterization of macromolecules of biological interest: a review. Anal Bioanal Chem 2010; 399:1401-11. [PMID: 20957473 PMCID: PMC3026709 DOI: 10.1007/s00216-010-4278-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2010] [Revised: 09/14/2010] [Accepted: 09/19/2010] [Indexed: 11/16/2022]
Abstract
An overview is given of the recent literature on (bio) analytical applications of flow field-flow fractionation (FlFFF). FlFFF is a liquid-phase separation technique that can separate macromolecules and particles according to size. The technique is increasingly used on a routine basis in a variety of application fields. In food analysis, FlFFF is applied to determine the molecular size distribution of starches and modified celluloses, or to study protein aggregation during food processing. In industrial analysis, it is applied for the characterization of polysaccharides that are used as thickeners and dispersing agents. In pharmaceutical and biomedical laboratories, FlFFF is used to monitor the refolding of recombinant proteins, to detect aggregates of antibodies, or to determine the size distribution of drug carrier particles. In environmental studies, FlFFF is used to characterize natural colloids in water streams, and especially to study trace metal distributions over colloidal particles. In this review, first a short discussion of the state of the art in instrumentation is given. Developments in the coupling of FlFFF to various detection modes are then highlighted. Finally, application studies are discussed and ordered according to the type of (bio) macromolecules or bioparticles that are fractionated.
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Affiliation(s)
- Rashid Nazir Qureshi
- Analytical Chemistry Group, van 't Hoff Institute for Molecular Sciences, University of Amsterdam, PO Box 94157, 1090 GD Amsterdam, The Netherlands.
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Lee JY, Kim KH, Moon MH. Evaluation of multiplexed hollow fiber flow field-flow fractionation for semi-preparative purposes. J Chromatogr A 2009; 1216:6539-42. [DOI: 10.1016/j.chroma.2009.07.044] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2009] [Revised: 07/16/2009] [Accepted: 07/27/2009] [Indexed: 11/28/2022]
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Field-flow fractionation in bioanalysis: A review of recent trends. Anal Chim Acta 2009; 635:132-43. [DOI: 10.1016/j.aca.2009.01.015] [Citation(s) in RCA: 147] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2008] [Revised: 01/08/2009] [Accepted: 01/09/2009] [Indexed: 11/23/2022]
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Flow field-flow fractionation: A pre-analytical method for proteomics. J Proteomics 2008; 71:265-76. [DOI: 10.1016/j.jprot.2008.06.002] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2008] [Revised: 06/02/2008] [Accepted: 06/05/2008] [Indexed: 02/05/2023]
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Déjardin P. Permeate channel geometry to get constant separation efficiency in asymmetrical Flow Field-Flow fractionation cell with exponential breadth variation. J Chromatogr A 2008; 1203:94-8. [DOI: 10.1016/j.chroma.2008.07.036] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2008] [Revised: 07/08/2008] [Accepted: 07/14/2008] [Indexed: 10/21/2022]
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