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Karachaliou CE, Livaniou E. Immunosensors for Autoimmune-Disease-Related Biomarkers: A Literature Review. SENSORS (BASEL, SWITZERLAND) 2023; 23:6770. [PMID: 37571553 PMCID: PMC10422610 DOI: 10.3390/s23156770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/20/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023]
Abstract
Immunosensors are a special class of biosensors that employ specific antibodies for biorecognition of the target analyte. Immunosensors that target disease biomarkers may be exploited as tools for disease diagnosis and/or follow-up, offering several advantages over conventional analytical techniques, such as rapid and easy analysis of patients' samples at the point-of-care. Autoimmune diseases have been increasingly prevalent worldwide in recent years, while the COVID-19 pandemic has also been associated with autoimmunity. Consequently, demand for tools enabling the early and reliable diagnosis of autoimmune diseases is expected to increase in the near future. To this end, interest in immunosensors targeting autoimmune disease biomarkers, mainly, various autoantibodies and specific pro-inflammatory proteins (e.g., specific cytokines), has been rekindled. This review article presents most of the immunosensors proposed to date as potential tools for the diagnosis of various autoimmune diseases, such as type 1 diabetes, rheumatoid arthritis, and multiple sclerosis. The signal transduction and the immunoassay principles of each immunosensor have been suitably classified and are briefly presented along with certain sensor elements, e.g., special nano-sized materials used in the construction of the immunosensing surface. The main concluding remarks are presented and future perspectives of the field are also briefly discussed.
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Affiliation(s)
| | - Evangelia Livaniou
- Immunopeptide Chemistry Lab, Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, National Centre for Scientific Research ‘‘Demokritos”, P.O. Box 60037, 153 10 Agia Paraskevi, Greece;
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2
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Turner BL, Kilgour KM, Stine SJ, Daniele M, Menegatti S. Dual-Affinity Ratiometric Quenching (DARQ) Assay for the Quantification of Therapeutic Antibodies in CHO-S Cell Culture Fluids. Anal Chem 2020; 92:16274-16283. [DOI: 10.1021/acs.analchem.0c04269] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Brendan L. Turner
- Joint Department of Biomedical Engineering, North Carolina State University and University of North Carolina at Chapel Hill, 911 Oval Drive, Raleigh, North Carolina 27695, United States
| | - Katie M. Kilgour
- Department of Chemical & Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, North Carolina 27695, United States
| | - Sydney J. Stine
- Department of Chemical & Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, North Carolina 27695, United States
| | - Michael Daniele
- Joint Department of Biomedical Engineering, North Carolina State University and University of North Carolina at Chapel Hill, 911 Oval Drive, Raleigh, North Carolina 27695, United States
- Department of Electrical & Computer Engineering, North Carolina State University, 890 Oval Drive, Raleigh, North Carolina 27695, United States
| | - Stefano Menegatti
- Department of Chemical & Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, North Carolina 27695, United States
- Biomanufacturing Training and Education Center (BTEC), 850 Oval Drive, Raleigh, North Carolina 27606, United States
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3
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Temel F. Real-time and selective recognition of erythromycin by self-assembly of calix[4]arene on QCM sensor. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.111818] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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4
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Selective chiral recognition of alanine enantiomers by chiral calix[4]arene coated quartz crystal microbalance sensors. Anal Bioanal Chem 2019; 411:2675-2685. [DOI: 10.1007/s00216-019-01705-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 01/31/2019] [Accepted: 02/21/2019] [Indexed: 12/30/2022]
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5
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Chen Y, Yuan PX, Wang AJ, Luo X, Xue Y, Zhang L, Feng JJ. A novel electrochemical immunosensor for highly sensitive detection of prostate-specific antigen using 3D open-structured PtCu nanoframes for signal amplification. Biosens Bioelectron 2018; 126:187-192. [PMID: 30415153 DOI: 10.1016/j.bios.2018.10.057] [Citation(s) in RCA: 102] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 10/17/2018] [Accepted: 10/26/2018] [Indexed: 02/03/2023]
Abstract
Herein, a novel electrochemical ultrasensitive immunosensor was designed for detecting prostate-specific antigen (PSA) with three-dimensional (3D) PtCu hollow nanoframes (PtCu HNFs) as signal amplification. The highly opened PtCu HNFs were synthesized by a one-pot solvothermal method with cetyltrimethylammonium chloride (CTAC) and trishydroxymethyl aminomethane (Tris) as co-structuring directors. The architectures enlarged the loading of prostate specific antibodies (Ab) and efficiently catalyzed hydrogen peroxide (H2O2) reaction, ultimately amplifying the signals. And polylysine was used to disperse PtCu HNFs, improve the biocompatibility and bind the Ab on the electrode surface. The fabricated immunosensor exhibited lower detection limit (0.003 ng mL-1, S/N = 3), and wider linear range (0.01-100.0 ng mL-1), along with the improved reproducibility, selectivity and stability for the assay of PSA. Thus, it is a desirable platform for PSA detection in clinical diagnosis and practical applications.
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Affiliation(s)
- Yao Chen
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Pei-Xin Yuan
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Ai-Jun Wang
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Xiliang Luo
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Yadong Xue
- Jinhua Central Hospital, Jinhua 321001, China
| | - Lu Zhang
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Jiu-Ju Feng
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
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6
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Juste-Dolz A, do Nascimento NM, Monzó I, Grau-García E, Román-Ivorra JA, Lopez-Paz JL, Escorihuela J, Puchades R, Morais S, Gimenez-Romero D, Maquieira Á. New structural insights into the role of TROVE2 complexes in the on-set and pathogenesis of systemic lupus erythematosus determined by a combination of QCM-D and DPI. Anal Bioanal Chem 2018; 411:4709-4720. [PMID: 30317445 DOI: 10.1007/s00216-018-1407-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 09/19/2018] [Accepted: 09/25/2018] [Indexed: 12/13/2022]
Abstract
The mechanism of self-recognition of the autoantigen TROVE2, a common biomarker in autoimmune diseases, has been studied with a quartz crystal microbalance with dissipation monitoring (QCM-D) and dual polarization interferometry (DPI). The complementarity and remarkable analytical features of both techniques has allowed new insights into the onset of systemic lupus erythematosus (SLE) to be achieved at the molecular level. The in vitro study for SLE patients and healthy subjects suggests that anti-TROVE2 autoantibodies may undergo an antibody bipolar bridging. An epitope-paratope-specific binding initially occurs to activate a hidden Fc receptor in the TROVE2 tertiary structure. This bipolar mechanism may contribute to the pathogenic accumulation of anti-TROVE2 autoantibody immune complex in autoimmune disease. Furthermore, the specific calcium-dependent protein-protein bridges point out at how the TRIM21/TROVE2 association might occur, suggesting that the TROVE2 protein could stimulate the intracellular immune signaling via the TRIM21 PRY-SPRY domain. These findings may help to better understand the origins of the specificity and affinity of TROVE2 interactions, which might play a key role in the SLE pathogenesis. This manuscript gives one of the first practical applications of two novel functions (-df/dD and Δh/molec) for the analysis of the data provided by QCM-D and DPI. In addition, it is the first time that QCM-D has been used for mapping hidden Fc receptors as well as linear epitopes in a protein tertiary structure. Graphical abstract ᅟ.
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Affiliation(s)
- Augusto Juste-Dolz
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022, Valencia, Spain
| | - Noelle M do Nascimento
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022, Valencia, Spain
| | - Isidro Monzó
- Departamento de Química-Física, Universitat de València, C/ Dr. Moliner 50, 46100, Burjassot, Spain
| | - Elena Grau-García
- Departamento de Reumatología, Hospital Universitario y Politécnico La Fe, and Rheumatology Research Group, Instituto de Investigación Sanitaria La Fe, Avenida de Fernando Abril Martorell No 106, 46026, Valencia, Spain
| | - Jose A Román-Ivorra
- Departamento de Reumatología, Hospital Universitario y Politécnico La Fe, and Rheumatology Research Group, Instituto de Investigación Sanitaria La Fe, Avenida de Fernando Abril Martorell No 106, 46026, Valencia, Spain
| | - José Luis Lopez-Paz
- Departamento de Química, Universitat Politècnica de València, 46022, Valencia, Spain
| | - Jorge Escorihuela
- Departamento de Química Orgánica, Universitat de València, C/ Dr. Moliner 50, 46100, Burjassot, Spain
| | - Rosa Puchades
- Departamento de Química, Universitat Politècnica de València, 46022, Valencia, Spain
| | - Sergi Morais
- Departamento de Química, Universitat Politècnica de València, 46022, Valencia, Spain
| | - David Gimenez-Romero
- Departamento de Química-Física, Universitat de València, C/ Dr. Moliner 50, 46100, Burjassot, Spain.
| | - Ángel Maquieira
- Departamento de Química, Universitat Politècnica de València, 46022, Valencia, Spain.
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Fagúndez P, Brañas G, Cairoli E, Laíz J, Tosar JP. An electrochemical biosensor for rapid detection of anti-dsDNA antibodies in absolute scale. Analyst 2018; 143:3874-3882. [DOI: 10.1039/c8an00020d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The authors report an electrochemical biosensor enabling fast (30 min) detection of anti-DNA antibodies in serum with reduced manipulation steps.
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Affiliation(s)
- Pablo Fagúndez
- Analytical Biochemistry Unit
- Nuclear Research Center
- Faculty of Science
- Universidad de la República
- Montevideo 11400
| | - Gustavo Brañas
- Analytical Biochemistry Unit
- Nuclear Research Center
- Faculty of Science
- Universidad de la República
- Montevideo 11400
| | - Ernesto Cairoli
- Systemic Autoimmune Diseases Unit
- Clínica Médica C
- Hospital de Clínicas
- Universidad de la República
- Montevideo 11600
| | - Justo Laíz
- Analytical Biochemistry Unit
- Nuclear Research Center
- Faculty of Science
- Universidad de la República
- Montevideo 11400
| | - Juan Pablo Tosar
- Analytical Biochemistry Unit
- Nuclear Research Center
- Faculty of Science
- Universidad de la República
- Montevideo 11400
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8
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Liu X, Jiang H. Construction and Potential Applications of Biosensors for Proteins in Clinical Laboratory Diagnosis. SENSORS (BASEL, SWITZERLAND) 2017; 17:E2805. [PMID: 29207528 PMCID: PMC5750678 DOI: 10.3390/s17122805] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 11/20/2017] [Accepted: 11/30/2017] [Indexed: 12/11/2022]
Abstract
Biosensors for proteins have shown attractive advantages compared to traditional techniques in clinical laboratory diagnosis. In virtue of modern fabrication modes and detection techniques, various immunosensing platforms have been reported on basis of the specific recognition between antigen-antibody pairs. In addition to profit from the development of nanotechnology and molecular biology, diverse fabrication and signal amplification strategies have been designed for detection of protein antigens, which has led to great achievements in fast quantitative and simultaneous testing with extremely high sensitivity and specificity. Besides antigens, determination of antibodies also possesses great significance for clinical laboratory diagnosis. In this review, we will categorize recent immunosensors for proteins by different detection techniques. The basic conception of detection techniques, sensing mechanisms, and the relevant signal amplification strategies are introduced. Since antibodies and antigens have an equal position to each other in immunosensing, all biosensing strategies for antigens can be extended to antibodies under appropriate optimizations. Biosensors for antibodies are summarized, focusing on potential applications in clinical laboratory diagnosis, such as a series of biomarkers for infectious diseases and autoimmune diseases, and an evaluation of vaccine immunity. The excellent performances of these biosensors provide a prospective space for future antibody-detection-based disease serodiagnosis.
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Affiliation(s)
- Xuan Liu
- Department of Clinical Laboratory, The Second Affiliated Hospital of Southeast University, Nanjing 210003, China.
| | - Hui Jiang
- School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
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Zhu J, Wang W, Kong L, Ma C, Li Y, Liu B, Tan L. Real-time monitoring of oxidative injury of vascular endothelial cells and protective effect of quercetin using quartz crystal microbalance. Anal Bioanal Chem 2016; 408:8415-8425. [DOI: 10.1007/s00216-016-9959-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Revised: 09/10/2016] [Accepted: 09/19/2016] [Indexed: 10/20/2022]
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10
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Zhang X, Zambrano A, Lin ZT, Xing Y, Rippy J, Wu T. Immunosensors for Biomarker Detection in Autoimmune Diseases. Arch Immunol Ther Exp (Warsz) 2016; 65:111-121. [PMID: 27592176 DOI: 10.1007/s00005-016-0419-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Accepted: 07/04/2016] [Indexed: 01/17/2023]
Abstract
Autoimmune diseases occur when the immune system generates proinflammatory molecules and autoantibodies that mistakenly attack their own body. Traditional diagnosis of autoimmune disease is primarily based on physician assessment combined with core laboratory tests. However, these tests are not sensitive enough to detect early molecular events, and quite often, it is too late to control these autoimmune diseases and reverse tissue damage when conventional tests show positivity for disease. It is fortunate that during the past decade, research in nanotechnology has provided enormous opportunities for the development of ultrasensitive biosensors in detecting early biomarkers with high sensitivity. Biosensors consist of a biorecognition element and a transducer which are able to facilitate an accurate detection of proinflammatory molecules, autoantibodies and other disease-causing molecules. Apparently, novel biosensors could be superior to traditional metrics in assessing the drug efficacy in clinical trials, especially when specific biomarkers are indicative of the pathogenesis of disease. Furthermore, the portability of a biosensor enables the development of point-of-care devices. In this review, various types of biomolecule sensing systems, including electrochemical, optical and mechanical sensors, and their applications and future potentials in autoimmune disease treatment were discussed.
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Affiliation(s)
- Xuezhu Zhang
- Department Biomedical Engineering, University of Houston, 3605 Cullen Blvd, Houston, TX, 77204, USA
| | - Amarayca Zambrano
- Department Biomedical Engineering, University of Houston, 3605 Cullen Blvd, Houston, TX, 77204, USA
| | - Zuan-Tao Lin
- Department Biomedical Engineering, University of Houston, 3605 Cullen Blvd, Houston, TX, 77204, USA
| | - Yikun Xing
- Department Biomedical Engineering, University of Houston, 3605 Cullen Blvd, Houston, TX, 77204, USA
| | - Justin Rippy
- Department Biomedical Engineering, University of Houston, 3605 Cullen Blvd, Houston, TX, 77204, USA
| | - Tianfu Wu
- Department Biomedical Engineering, University of Houston, 3605 Cullen Blvd, Houston, TX, 77204, USA.
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Bragazzi NL, Amicizia D, Panatto D, Tramalloni D, Valle I, Gasparini R. Quartz-Crystal Microbalance (QCM) for Public Health: An Overview of Its Applications. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2015; 101:149-211. [PMID: 26572979 DOI: 10.1016/bs.apcsb.2015.08.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nanobiotechnologies, from the convergence of nanotechnology and molecular biology and postgenomics medicine, play a major role in the field of public health. This overview summarizes the potentiality of piezoelectric sensors, and in particular, of quartz-crystal microbalance (QCM), a physical nanogram-sensitive device. QCM enables the rapid, real time, on-site detection of pathogens with an enormous burden in public health, such as influenza and other respiratory viruses, hepatitis B virus (HBV), and drug-resistant bacteria, among others. Further, it allows to detect food allergens, food-borne pathogens, such as Escherichia coli and Salmonella typhimurium, and food chemical contaminants, as well as water-borne microorganisms and environmental contaminants. Moreover, QCM holds promises in early cancer detection and screening of new antiblastic drugs. Applications for monitoring biohazards, for assuring homeland security, and preventing bioterrorism are also discussed.
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Affiliation(s)
- Nicola Luigi Bragazzi
- Department of Health Sciences (DISSAL), Via Antonio Pastore 1, University of Genoa, Genoa, Italy
| | - Daniela Amicizia
- Department of Health Sciences (DISSAL), Via Antonio Pastore 1, University of Genoa, Genoa, Italy
| | - Donatella Panatto
- Department of Health Sciences (DISSAL), Via Antonio Pastore 1, University of Genoa, Genoa, Italy
| | - Daniela Tramalloni
- Department of Health Sciences (DISSAL), Via Antonio Pastore 1, University of Genoa, Genoa, Italy
| | - Ivana Valle
- SSD "Popolazione a rischio," Health Prevention Department, Local Health Unit ASL3 Genovese, Genoa, Italy
| | - Roberto Gasparini
- Department of Health Sciences (DISSAL), Via Antonio Pastore 1, University of Genoa, Genoa, Italy.
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12
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Konstantinov KN, Tzamaloukas A, Rubin RL. Detection of autoantibodies in a point-of-care rheumatology setting. AUTO- IMMUNITY HIGHLIGHTS 2013; 4:55-61. [PMID: 26000143 PMCID: PMC4389050 DOI: 10.1007/s13317-013-0052-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/28/2013] [Accepted: 05/02/2013] [Indexed: 11/04/2022]
Abstract
Autoimmune rheumatic diseases are common and confront society with serious medical, social, and financial burdens imposed by their debilitating nature. Many autoimmune diseases are associated with a particular set of autoantibodies, which have emerged as highly useful to define and classify disease, predict flares, or monitor efficacy of therapy. However, current practice for monitoring autoantibodies is protracted, labor-intensive, and expensive. This review provides an overview on the value of point-of-care (POC) biosensor technology in the diagnosis and management of patients with autoimmune rheumatic diseases. Real-time measurement of autoantibodies will clearly benefit the rheumatology practice in emergency and urgent care settings, where definitive diagnosis is essential for initiation of correct critical care therapy. Immediate serological information in clinic will provide considerable value for long-term patient care and an opportunity for an instant, result-deduced therapeutic action, avoiding delays and improving compliance, especially in field-based and remote areas. We describe the particular autoantibodies that are useful disease and activity markers and would, therefore, be attractive to POC applications. Already existing biosensors and platforms that show promise for autoantibody testing are summarized and comparatively evaluated. As POC assessment is gaining momentum in several areas of patient care, we propose that rheumatology is poised to benefit from this innovative and affordable technology.
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Affiliation(s)
- Konstantin N. Konstantinov
- Division of Rheumatology, Department of Internal Medicine, University of New Mexico Health Sciences Center, Mail Stop MSC10-5550, Albuquerque, NM 87131 USA
| | - Antonios Tzamaloukas
- Renal Section, Raymond G. Murphy VA Medical Center, 1501 San Pedro SE, Albuquerque, NM 87108 USA
| | - Robert L. Rubin
- Department of Molecular Genetics and Microbiology, MCS08-4660, University of New Mexico Health Sciences Center, Albuquerque, NM 87131 USA
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13
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Pinheiro AC, Bourbon AI, Medeiros BGDS, da Silva LH, da Silva MC, Carneiro-da-Cunha MG, Coimbra MA, Vicente AA. Interactions between κ-carrageenan and chitosan in nanolayered coatings—Structural and transport properties. Carbohydr Polym 2012. [DOI: 10.1016/j.carbpol.2011.08.040] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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14
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Dzamukova MR, Zamaleeva AI, Ishmuchametova DG, Osin YN, Kiyasov AP, Nurgaliev DK, Ilinskaya ON, Fakhrullin RF. A direct technique for magnetic functionalization of living human cells. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:14386-14393. [PMID: 22032495 DOI: 10.1021/la203839v] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Functionalized living cells are regarded as effective tools in directed cell delivery and tissue engineering. Here we report the facile functionalization of viable isolated HeLa cells with superparamagnetic cationic nanoparticles via a single-step biocompatible process. Nanoparticles are localized on the cellular membranes and do not penetrate into the cytoplasm. The magnetically responsive cells are viable and able to colonize and grow on substrates. Magnetically facilitated microorganization of functionalized cells into viable living clusters is demonstrated. We believe that the technique described here may find a number of potential applications in cell-based therapies and in development of whole-cell biosensors.
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Affiliation(s)
- Maria R Dzamukova
- Biomaterials and Nanomaterials Group, Faculty of Biology and Soil, Kazan (Idel buye/Volga region) Federal University, Kreml uramı 18, Kazan, Republic of Tatarstan, 420008, RF
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Han J, Zhang J, Xia Y, Jiang L. Highly sensitive detection of the hepatotoxin microcystin-LR by surface modification and bio-nanotechnology. Colloids Surf A Physicochem Eng Asp 2011. [DOI: 10.1016/j.colsurfa.2011.01.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Gruhl FJ, Rapp BE, Länge K. Biosensors for diagnostic applications. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2011; 133:115-48. [PMID: 22223139 DOI: 10.1007/10_2011_130] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Biosensors combine a transducer with a biorecognition element and thus are able to transform a biochemical event on the transducer surface directly into a measurable signal. By this they have the potential to provide rapid, real-time, and accurate results in a comparatively easy way, which makes them promising analytical devices. Since the first biosensor was introduced in 1962 as an "enzyme electrode" for monitoring glucose in blood, medical applications have been the main driving force for further biosensor development. In this chapter we outline potential biosensor setups, focusing on transduction principles, biorecognition layers, and biosensor test formats, with regard to potential applications. A summary of relevant aspects concerning biosensor integration in efficient analytical setups is included. We describe the latest applications of biosensors in diagnostic applications focusing on detection of molecular biomarkers in real samples. An overview of the current state and future trends of biosensors in this field is given.
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Affiliation(s)
- Friederike J Gruhl
- Karlsruhe Institute of Technology Institute for Microstructure Technology, Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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