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Gauthier A, Tlili L, Battu S, Delebassée S, Duval RE, Cardot PJP, Ploy MC, Lalloué F, Le-Moan C, Barraud O, Begaud G. Sedimentation Field-Flow Fractionation: A Diagnostic Tool for Rapid Antimicrobial Susceptibility Testing. Anal Chem 2023; 95:16950-16957. [PMID: 37939234 DOI: 10.1021/acs.analchem.3c03134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Conventional antimicrobial susceptibility testing (AST) methods require 24-48 h to provide results, creating the need for a probabilistic antibiotic therapy that increases the risk of antibiotic resistance emergence. Consequently, the development of rapid AST methods has become a priority. Over the past decades, sedimentation field-flow fractionation (SdFFF) has demonstrated high sensitivity in early monitoring of induced biological events in eukaryotic cell populations. This proof-of-concept study aimed at investigating SdFFF for the rapid assessment of bacterial susceptibility to antibiotics. Three bacterial species were included (Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa) with two panels of antibiotics tailored to each bacterial species. The results demonstrate that SdFFF, when used in "Hyperlayer" elution mode, enables monitoring of antibiotic-induced morphological changes. The percentage variation of the retention factor (PΔR) was used to quantify the biological effect of antibiotics on bacteria with the establishment of a threshold value of 16.8% to differentiate susceptible and resistant strains. The results obtained with SdFFF were compared to that of the AST reference method, and a categorical agreement of 100% was observed. Overall, this study demonstrates the potential of SdFFF as a rapid method for the determination of antibiotic susceptibility or resistance since it is able to provide results within a shorter time frame than that needed for conventional methods (3-4 h vs 16-24 h, respectively), enabling earlier targeted antibiotic therapy. Further research and validation are necessary to establish the effectiveness and reliability of SdFFF in clinical settings.
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Affiliation(s)
- Audrey Gauthier
- University of Limoges, Inserm, CHU Limoges, RESINFIT, UMR 1092, 87000 Limoges, France
- University of Limoges, Inserm, CHU Limoges, CAPTuR, UMR 1308, 87000 Limoges, France
| | - Linda Tlili
- University of Limoges, Inserm, CHU Limoges, RESINFIT, UMR 1092, 87000 Limoges, France
| | - Serge Battu
- University of Limoges, Inserm, CHU Limoges, CAPTuR, UMR 1308, 87000 Limoges, France
| | - Sylvie Delebassée
- University of Limoges, Faculty of Pharmacy, LABCiS, UR22722, 87000 Limoges, France
| | - Raphaël E Duval
- University of Lorraine, CNRS, L2CM, UMR 7053, 54000 Nancy, France
| | - Philippe J P Cardot
- University of Limoges, Inserm, CHU Limoges, CAPTuR, UMR 1308, 87000 Limoges, France
| | - Marie-Cécile Ploy
- University of Limoges, Inserm, CHU Limoges, RESINFIT, UMR 1092, 87000 Limoges, France
| | - Fabrice Lalloué
- University of Limoges, Inserm, CHU Limoges, CAPTuR, UMR 1308, 87000 Limoges, France
| | - Coline Le-Moan
- University of Limoges, Inserm, CHU Limoges, CAPTuR, UMR 1308, 87000 Limoges, France
| | - Olivier Barraud
- University of Limoges, Inserm, CHU Limoges, RESINFIT, UMR 1092, 87000 Limoges, France
- CHU Limoges, Inserm, CIC1435 Limoges, France
| | - Gaëlle Begaud
- University of Limoges, Inserm, CHU Limoges, CAPTuR, UMR 1308, 87000 Limoges, France
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2
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Borges JMP, de Jesus LB, Dos Santos Souza C, da Silva VDA, Costa SL, de Fátima Dias Costa M, El-Bachá RS. Astrocyte Reaction to Catechol-Induced Cytotoxicity Relies on the Contact with Microglia Before Isolation. Neurotox Res 2022; 40:973-994. [PMID: 35708826 DOI: 10.1007/s12640-022-00528-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 05/26/2022] [Accepted: 05/31/2022] [Indexed: 10/18/2022]
Abstract
Astrocytes preserve the brain microenvironment homeostasis in order to protect other brain cells, mainly neurons, against damages. Glial cells have specific functions that are important in the context of neuronal survival in different models of central nervous system (CNS) diseases. Microglia are among these cells, secreting several molecules that can modulate astrocyte functions. Although 1,2-dihydroxybenzene (catechol) is a neurotoxic monoaromatic compound of exogenous origin, several endogenous molecules also present the catechol group. This study compared two methods to obtain astrocyte-enriched cultures from newborn Wistar rats of both sexes. In the first technique (P1), microglial cells began to be removed early 48 h after primary mixed glial cultures were plated. In the second one (P2), microglial cells were late removed 7 to 10 days after plating. Both cultures were exposed to catechol for 72 h. Catechol was more cytotoxic to P1 cultures than to P2, decreasing cellularity and changing the cell morphology. Microglial-conditioned medium (MCM) protected P1 cultures and inhibited the catechol autoxidation. P2 cultures, as well as P1 in the presence of 20% MCM, presented long, dense, and fibrillary processes positive for glial fibrillary acidic protein, which retracted the cytoplasm when exposed to catechol. The Ngf and Il1beta transcription increased in P1, meanwhile astrocytes expressed more Il10 in P2. Catechol decreased Bdnf and Il10 in P2 cultures, and it decreased the expression of Il1beta in both conditions. A prolonged contact with microglia before isolation of astrocyte-enriched cultures modifies astrocyte functions and morphology, protecting these cells against catechol-induced cytotoxicity.
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Affiliation(s)
- Julita Maria Pereira Borges
- Department of Biochemistry and Biophysics, Institute of Health Sciences, Federal University of Bahia (UFBA), 40.110-902, Salvador, Bahia (BA), Brazil. .,Department of Science and Technology, Southwest Bahia State University (UESB), 45.208-409, Jequie, BA, Brazil.
| | - Lívia Bacelar de Jesus
- Department of Biochemistry and Biophysics, Institute of Health Sciences, Federal University of Bahia (UFBA), 40.110-902, Salvador, Bahia (BA), Brazil
| | - Cleide Dos Santos Souza
- Department of Biochemistry and Biophysics, Institute of Health Sciences, Federal University of Bahia (UFBA), 40.110-902, Salvador, Bahia (BA), Brazil
| | - Victor Diogenes Amaral da Silva
- Department of Biochemistry and Biophysics, Institute of Health Sciences, Federal University of Bahia (UFBA), 40.110-902, Salvador, Bahia (BA), Brazil
| | - Silvia Lima Costa
- Department of Biochemistry and Biophysics, Institute of Health Sciences, Federal University of Bahia (UFBA), 40.110-902, Salvador, Bahia (BA), Brazil
| | - Maria de Fátima Dias Costa
- Department of Biochemistry and Biophysics, Institute of Health Sciences, Federal University of Bahia (UFBA), 40.110-902, Salvador, Bahia (BA), Brazil
| | - Ramon Santos El-Bachá
- Department of Biochemistry and Biophysics, Institute of Health Sciences, Federal University of Bahia (UFBA), 40.110-902, Salvador, Bahia (BA), Brazil.
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Plavchak CL, Smith WC, Bria CRM, Williams SKR. New Advances and Applications in Field-Flow Fractionation. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2021; 14:257-279. [PMID: 33770457 DOI: 10.1146/annurev-anchem-091520-052742] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Field-flow fractionation (FFF) is a family of techniques that was created especially for separating and characterizing macromolecules, nanoparticles, and micrometer-sized analytes. It is coming of age as new nanomaterials, polymers, composites, and biohybrids with remarkable properties are introduced and new analytical challenges arise due to synthesis heterogeneities and the motivation to correlate analyte properties with observed performance. Appreciation of the complexity of biological, pharmaceutical, and food systems and the need to monitor multiple components across many size scales have also contributed to FFF's growth. This review highlights recent advances in FFF capabilities, instrumentation, and applications that feature the unique characteristics of different FFF techniques in determining a variety of information, such as averages and distributions in size, composition, shape, architecture, and microstructure and in investigating transformations and function.
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Affiliation(s)
- Christine L Plavchak
- Laboratory for Advanced Separation Technologies, Department of Chemistry, Colorado School of Mines, Golden, Colorado 80401, USA;
| | - William C Smith
- Laboratory for Advanced Separation Technologies, Department of Chemistry, Colorado School of Mines, Golden, Colorado 80401, USA;
| | | | - S Kim Ratanathanawongs Williams
- Laboratory for Advanced Separation Technologies, Department of Chemistry, Colorado School of Mines, Golden, Colorado 80401, USA;
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Ivaneev AI, Ermolin MS, Fedotov PS, Faucher S, Lespes G. Sedimentation Field-flow Fractionation in Thin Channels and Rotating Coiled Columns: From Analytical to Preparative Scale Separations. SEPARATION AND PURIFICATION REVIEWS 2020. [DOI: 10.1080/15422119.2020.1784940] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Alexandr I. Ivaneev
- National University of Science and Technology ‘MISIS’, Moscow, Russian Federation
- Université de Pau et des Pays de l’Adour (2ES/UPPA), Institut des Sciences Analytiques et de Physico-Chimie pour l’Environnement et les Matériaux (IPREM), UMR UPPA/CNRS, Hélioparc, 2, Avenue Angot, 64000 Pau, France
- Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Mikhail S. Ermolin
- National University of Science and Technology ‘MISIS’, Moscow, Russian Federation
- Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Petr S. Fedotov
- National University of Science and Technology ‘MISIS’, Moscow, Russian Federation
- Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Stéphane Faucher
- Université de Pau et des Pays de l’Adour (2ES/UPPA), Institut des Sciences Analytiques et de Physico-Chimie pour l’Environnement et les Matériaux (IPREM), UMR UPPA/CNRS, Hélioparc, 2, Avenue Angot, 64000 Pau, France
| | - Gaëtane Lespes
- Université de Pau et des Pays de l’Adour (2ES/UPPA), Institut des Sciences Analytiques et de Physico-Chimie pour l’Environnement et les Matériaux (IPREM), UMR UPPA/CNRS, Hélioparc, 2, Avenue Angot, 64000 Pau, France
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Zarei-Kheirabadi M, Mirsadeghi S, Vaccaro AR, Rahimi-Movaghar V, Kiani S. Protocol for purification and culture of astrocytes: useful not only in 2 days postnatal but also in adult rat brain. Mol Biol Rep 2020; 47:1783-1794. [PMID: 31989426 DOI: 10.1007/s11033-020-05272-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 01/22/2020] [Indexed: 11/29/2022]
Abstract
Astrocytes play the key roles in the physiology and pathology of the CNS. Thereupon, in this manuscript, we aim to demonstrate that the protocol for purification and culture of astrocytes is useful not only in 2 days postnatal but also in adult rat brain. Also, the mentioned protocol is a simple and efficient primary cell culture technique. The whole-brain was isolated from the skull and the meninges were removed carefully. Afterward, the cerebral hemispheres were mechanically and enzymatically digested. Then, the cell suspension was seeded in T25 culture flask and was incubated at 37 °C in the CO2 incubator. The first shaking was performed after 7-8 days and on day 14, second shaking was done. After 2-3 passage, the culture was analyzed. By passaging, the majority of extracted cells were astrocytes presenting with a polygonal to fusiform and flat morphology that expressed GFAP, GLAST, and S100β. The expression of neural, neuronal and oligodendrocyte markers was not detected in extracted cells. The patch-clamp recording comfirmed the purity of isolated astrocytes as well. The isolated cells from adult rat brain were astrocytes that expressed specific astrocyte markers after 3 and 10 passages. This method is suggested to obtain a population of astrocytes that may provide a beneficial tool for different neurophysiological and pathophysiological studies.
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Affiliation(s)
- Masoumeh Zarei-Kheirabadi
- Department of Brain and Cognitive Sciences, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, 1665659911, Iran
| | - Sara Mirsadeghi
- Department of Brain and Cognitive Sciences, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, 1665659911, Iran
| | - Alexander R Vaccaro
- Department of Orthopaedics, Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Vafa Rahimi-Movaghar
- Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Sahar Kiani
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, 1665659911, Iran.
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6
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Zhang X, Li Y, Shen S, Lee S, Dou H. Field-flow fractionation: A gentle separation and characterization technique in biomedicine. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.09.005] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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7
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Vedrenne N, Sarrazy V, Richard L, Bordeau N, Battu S, Billet F, Desmoulière A. Isolation of Astrocytes Displaying Myofibroblast Properties and Present in Multiple Sclerosis Lesions. Neurochem Res 2017; 42:2427-2434. [PMID: 28434162 DOI: 10.1007/s11064-017-2268-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 03/14/2017] [Accepted: 04/12/2017] [Indexed: 12/16/2022]
Abstract
A wide heterogeneity of lesions can affect the central nervous system (CNS). In all situations where neurons are damaged, including multiple sclerosis (MS), a common reactive astrocytosis is present. Sedimentation field-flow fractionation (SdFFF) was used to sort astrocyte subpopulations. After SdFFF elution, cells, prepared from rat newborn cortex, were cultured and analyzed by immunocytofluorescence for glial fibrillary acidic protein (GFAP) and α-smooth muscle (SM) actin (a specific marker for myofibroblasts) expression. Cell contractile capacity was studied. Samples from patients with MS were also analyzed. Three main fractions (F1, F2, and F3) were isolated and compared with the total eluted population (TP). TP, F1, F2, and F3, contained respectively 74, 96, 12, and 98% of GFAP expressing astrocytes. In F3, astrocytes only expressed GFAP while in F1, astrocytes expressed both GFAP and α-SM actin. In F2 and TP, α-SM actin expression was barely detected. F3-derived cells showed higher contractile capacities compared with F1-derived cells. In one specific case of MS known as Baló's concentric MS, astrocytes expressing both GFAP and α-SM actin were detected. Using SdFFF, a population of astrocytes presenting myofibroblast properties was isolated. This subpopulation of astrocytes was also observed in a MS sample suggesting that it could be involved in lesion formation and remodeling during CNS pathologies.
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Affiliation(s)
- Nicolas Vedrenne
- EA 6309 "Myeline maintenance and peripheral neuropathies", University of Limoges, 87000, Limoges, France
| | - Vincent Sarrazy
- EA 6309 "Myeline maintenance and peripheral neuropathies", University of Limoges, 87000, Limoges, France.,Mediterranean Centre for Molecular Medicine, University of Nice Sophia Antipolis, INSERM U1065, 06000, Nice, France
| | - Laurence Richard
- EA 6309 "Myeline maintenance and peripheral neuropathies", University of Limoges, 87000, Limoges, France.,Department of Neurology, University Hospital of Limoges, 87000, Limoges, France
| | - Nelly Bordeau
- EA 6309 "Myeline maintenance and peripheral neuropathies", University of Limoges, 87000, Limoges, France
| | - Serge Battu
- EA 3842 "Cellular homeostasis and pathologies", University of Limoges, 87000, Limoges, France
| | - Fabrice Billet
- EA 6309 "Myeline maintenance and peripheral neuropathies", University of Limoges, 87000, Limoges, France
| | - Alexis Desmoulière
- EA 6309 "Myeline maintenance and peripheral neuropathies", University of Limoges, 87000, Limoges, France. .,Department of Physiology, Faculty of Pharmacy, University of Limoges, 2 rue du Dr. Marcland, 87025, Limoges Cedex, France.
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8
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Faye PA, Vedrenne N, De la Cruz-Morcillo MA, Barrot CC, Richard L, Bourthoumieu S, Sturtz F, Funalot B, Lia AS, Battu S. New Method for Sorting Endothelial and Neural Progenitors from Human Induced Pluripotent Stem Cells by Sedimentation Field Flow Fractionation. Anal Chem 2016; 88:6696-702. [PMID: 27263863 DOI: 10.1021/acs.analchem.6b00704] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Human induced pluripotent stem cells (hiPSc) are a very useful solution to create and observe the behavior of specific and usually inaccessible cells, such as human motor neurons. Obtained from a patient biopsy by reprograming dermal fibroblasts (DF), hiPSc present the same properties as embryonic stem cells and can generate any cell type after several weeks of differentiation. Today, there are numerus protocols which aim to control hiPSC differentiation. The principal challenge is to obtain a sufficiently enriched specific cell population to study disease pathophysiology and to provide a good model for further investigation and drug screening. The differentiation process is very costly and time-consuming, because many specific factors and different culture media must be used. In this study, we used Sedimentation Field Flow Fractionation (SdFFF) to prepare enriched populations derived from hiPSc after only 10 days of culture in a classical medium. Based on phenotypic and proteomic characterization, "hyperlayer" elution resulted in a fraction expressing markers of endothelial progenitors while another fraction expressed markers of neural progenitors. The isolation of subpopulations representing various differentiation lineages is of major interest for the production of specialized, cell-enriched fractions and in the preparation of increasingly complex models for the development of new therapeutic tools.
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Affiliation(s)
| | | | | | | | | | | | | | - Benoît Funalot
- Département de Génétique, CHU Henri-Mondor , F-94000 Créteil, France.,Inserm U955-E10, Université Paris-Est-Créteil, F-94000 Créteil, France
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9
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Makan AC, Spallek MJ, du Toit M, Klein T, Pasch H. Advanced analysis of polymer emulsions: Particle size and particle size distribution by field-flow fractionation and dynamic light scattering. J Chromatogr A 2016; 1442:94-106. [DOI: 10.1016/j.chroma.2016.03.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 02/19/2016] [Accepted: 03/06/2016] [Indexed: 12/01/2022]
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10
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Vedrenne N, Sarrazy V, Battu S, Bordeau N, Richard L, Billet F, Coronas V, Desmoulière A. Neural Stem Cell Properties of an Astrocyte Subpopulation Sorted by Sedimentation Field-Flow Fractionation. Rejuvenation Res 2016; 19:362-372. [PMID: 26650259 DOI: 10.1089/rej.2015.1776] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Astrocytes encompass a heterogeneous cell population. Using sedimentation field-flow fractionation (SdFFF) method, different, almost pure, astrocyte subpopulations were isolated. Cells were collected from cortex of newborn rats and sorted by SdFFF to obtain different fractions, which were subjected to protein analysis and characterized by immunocytofluorescence. The behavior of the cells was analyzed in vitro, under culture conditions used for neural stem cells. These culture conditions were also applied to cells derived from an adult cortical tissue after traumatic brain injury (TBI). Finally, the astrocytic neural stem-like cells were transplanted in damaged sciatic nerve. Protein analysis indicated a high expression of glial fibrillary acidic protein (GFAP) and vimentin in fraction F3-derived cells. These cells formed neurospheres when cultured with epidermal growth factor and large colonies in a collagen-containing semi-solid matrix. Neurospheres expressed GFAP and nestin and were able in addition to generate neurons expressing MAP2 and oligodendrocytes expressing Olig2. When transplanted in a damaged nerve, cells of F3-derived neurospheres colonized the damaged area. Finally, after TBI in adult rats, cells able to form neurospheres containing a subpopulation of astrocytes expressing vimentin were obtained. Using the SdFFF method, an astrocyte subpopulation presenting stem cell properties was isolated from a newborn rat cortex and from an injured adult rat cortex. The specific activation of this astrocyte subpopulation may provide a potential therapeutic approach to restore lost neuronal function in injured or diseased brain.
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Affiliation(s)
- Nicolas Vedrenne
- 1 EA 6309 "Myelin maintenance and peripheral neuropathies," University of Limoges , Limoges, France
| | - Vincent Sarrazy
- 1 EA 6309 "Myelin maintenance and peripheral neuropathies," University of Limoges , Limoges, France
| | - Serge Battu
- 2 EA 3842 "Cell homeostasis and pathologies," University of Limoges , Limoges, France
| | - Nelly Bordeau
- 1 EA 6309 "Myelin maintenance and peripheral neuropathies," University of Limoges , Limoges, France
| | - Laurence Richard
- 1 EA 6309 "Myelin maintenance and peripheral neuropathies," University of Limoges , Limoges, France .,3 Department of Neurology, CHU of Limoges , Limoges, France
| | - Fabrice Billet
- 1 EA 6309 "Myelin maintenance and peripheral neuropathies," University of Limoges , Limoges, France
| | - Valérie Coronas
- 4 CNRS ERL 7368, "Signalisation et transports ioniques membranaires," University of Poitiers , Poitiers, France
| | - Alexis Desmoulière
- 1 EA 6309 "Myelin maintenance and peripheral neuropathies," University of Limoges , Limoges, France
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