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Tomaiuolo R, Zibetti M, Di Resta C, Banfi G. Challenges of the Effectiveness of Traumatic Brain Injuries Biomarkers in the Sports-Related Context. J Clin Med 2023; 12:jcm12072563. [PMID: 37048647 PMCID: PMC10095236 DOI: 10.3390/jcm12072563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/22/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Traumatic brain injury affects 69 million people every year. One of the main limitations in managing TBI patients is the lack of univocal diagnostic criteria, including the absence of standardized assessment methods and guidelines. Computerized axial tomography is the first-choice examination, despite the limited prevalence of positivity; moreover, its performance is undesirable due to the risk of radiological exposure, prolonged stay in emergency departments, inefficient use of resources, high cost, and complexity. Furthermore, immediacy and accuracy in diagnosis and management of TBIs are critically unmet medical needs. Especially in the context of sports-associated TBI, there is a strong need for prognostic indicators to help diagnose and identify at-risk subjects to avoid their returning to play while the brain is still highly vulnerable. Fluid biomarkers may emerge as new prognostic indicators to develop more accurate prediction models, improving risk stratification and clinical decision making. This review describes the current understanding of the cellular sources, temporal profile, and potential utility of leading and emerging blood-based protein biomarkers of TBI; its focus is on biomarkers that could improve the management of mild TBI cases and can be measured readily and directly in the field, as in the case of sports-related contexts.
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Affiliation(s)
- Rossella Tomaiuolo
- Faculty of Medicine, Università Vita-Salute San Raffaele, 20132 Milan, Italy
| | - Martina Zibetti
- Faculty of Medicine, Università Vita-Salute San Raffaele, 20132 Milan, Italy
| | - Chiara Di Resta
- Faculty of Medicine, Università Vita-Salute San Raffaele, 20132 Milan, Italy
- Correspondence:
| | - Giuseppe Banfi
- Faculty of Medicine, Università Vita-Salute San Raffaele, 20132 Milan, Italy
- IRCCS Galeazzi-Sant’Ambrogio, 20157 Milan, Italy
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Microfluidic-based blood immunoassays. J Pharm Biomed Anal 2023; 228:115313. [PMID: 36868029 DOI: 10.1016/j.jpba.2023.115313] [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: 11/17/2022] [Revised: 02/09/2023] [Accepted: 02/22/2023] [Indexed: 02/26/2023]
Abstract
Microfluidics enables the integration of whole protocols performed in a laboratory, including sample loading, reaction, extraction, and measurement steps on a single system, which offers significant advantages thanks to small-scale operation combined with precise fluid control. These include providing efficient transportation mechanisms and immobilization, reduced sample and reagent volumes, fast analysis and response times, lower power requirements, lower cost and disposability, improved portability and sensitivity, and greater integration and automation capability. Immunoassay is a specific bioanalytical method based on the interaction of antigens and antibodies, which is utilized to detect bacteria, viruses, proteins, and small molecules in several areas such as biopharmaceutical analysis, environmental analysis, food safety, and clinical diagnostics. Because of the advantages of both techniques, the combination of immunoassays and microfluidic technology is considered one of the most potential biosensor systems for blood samples. This review presents the current progress and important developments in microfluidic-based blood immunoassays. After providing several basic information about blood analysis, immunoassays, and microfluidics, the review points out in-depth information about microfluidic platforms, detection techniques, and commercial microfluidic blood immunoassay platforms. In conclusion, some thoughts and future perspectives are provided.
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Li Q, Zhang Y, Hu J, Yuan B, Zhang P, Wang Y, Jin X, Du L, Jin Y. The Improved Brain-Targeted Drug Delivery of Edaravone Temperature-Sensitive Gels by Ultrasound for γ-ray Radiation-Induced Brain Injury. Pharmaceutics 2022; 14:2281. [PMID: 36365100 PMCID: PMC9698875 DOI: 10.3390/pharmaceutics14112281] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/17/2022] [Accepted: 10/21/2022] [Indexed: 08/30/2023] Open
Abstract
Radiation-induced brain injury (RBI) is a common neurological disease caused by ionizing radiation (IR). Edaravone (EDA) is a free radical scavenger, has the potential to treat RBI. EDA loaded temperature-sensitive gels (TSGs) were prepared for subcutaneous injection to improve inconvenient administration of intravenous infusion. RBI mice model was established by irradiation of 60Co γ-ray on head. EDA TSGs could improve spontaneous behavior, learning and memory and anxiety of RBI mice by behavior tests, including the open field test, the novel object recognition test, the elevated plus maze test and the fear conditioning test. The therapeutic effects were enhanced with the assistance of ultrasound. Alleviative pathological changes, decreased the expression of Molondialdehyde (MDA) and Interleukin-6 (IL-6) in the hippocampus of brain, indicated reduced oxidative stress and inflammatory response with the treatment of EDA TSGs and ultrasound. Moreover, ultrasound was superior to the use of EDA TSGs. Safe and effective EDA TSGs were prepared for RBI, and the feasibility of brain-targeted drug delivery enhanced by ultrasound was preliminarily demonstrated in this study.
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Affiliation(s)
- Qian Li
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Yizhi Zhang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Jinglu Hu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Bochuan Yuan
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Pengcheng Zhang
- Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Yaxin Wang
- Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Xu Jin
- Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Lina Du
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Yiguang Jin
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- School of Pharmacy, Henan University, Kaifeng 475004, China
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Sayad A, Uddin SM, Yao S, Wilson H, Chan J, Zhao H, Donnan G, Davis S, Skafidas E, Yan B, Kwan P. A magnetoimpedance biosensor microfluidic platform for detection of glial fibrillary acidic protein in blood for acute stroke classification. Biosens Bioelectron 2022; 211:114410. [PMID: 35617799 DOI: 10.1016/j.bios.2022.114410] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 05/15/2022] [Accepted: 05/17/2022] [Indexed: 11/17/2022]
Abstract
Acute stroke is the third leading cause of mortality and disability worldwide. Administration of appropriate therapy for acute stroke is critically dependent on timely classification into either ischemic or hemorrhagic subtypes, which have divergent treatment pathways. The current classification method is based on neuroimaging, which generally requires the transport of the patient to a hospital-based facility unless a mobile stroke unit is available. Plasma glial fibrillary acidic protein (GFAP) level has been identified as a useful blood-based biomarker to differentiate stroke subtypes. However, its conventional immunoassay methods are laboratory-based and time-consuming. Novel approaches for rapid stroke classification near the patients are urgently needed. Here, we report the development and testing of a microfluidic-based magnetoimpedance biosensor platform for measuring GFAP levels. The platform consists of a microfluidic chip for GFAP extraction from a blood sample and a magnetoimpedance (MI) biosensor that employs Dynabeads as a magnetic label to capture the GFAP molecules. We demonstrated the detection of recombinant GFAP protein in phosphate-buffered saline (PBS) and in mouse blood samples (detection limit 0.01 ng/mL) and of physiological GFAP in blood and plasma samples (detection limit 1.0 ng/mL) obtained from acute stroke patients. This detection level is within the range of cut-off levels required for clinical stroke subtype differentiation. This platform has the potential to be incorporated into a small device with further development to assist in the classification of acute stroke patients and clinical decision-making at the point-of-care.
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Affiliation(s)
- Abkar Sayad
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia.
| | - Shah Mukim Uddin
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia.
| | - Scarlett Yao
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia.
| | - Harold Wilson
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia. https://
| | - Jianxiong Chan
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia; Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia.
| | - Henry Zhao
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Neurology, Melbourne Brain Centre, Royal Melbourne Hospital, VIC, 3010, Australia.
| | - Geoffrey Donnan
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Neurology, Melbourne Brain Centre, Royal Melbourne Hospital, VIC, 3010, Australia.
| | - Stephen Davis
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Neurology, Melbourne Brain Centre, Royal Melbourne Hospital, VIC, 3010, Australia. https://
| | - Efstratios Skafidas
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Electrical and Electronic Engineering, Melbourne School of Engineering, The University of Melbourne, VIC, 3010, Australia.
| | - Bernard Yan
- Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Neurology, Melbourne Brain Centre, Royal Melbourne Hospital, VIC, 3010, Australia.
| | - Patrick Kwan
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia; Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Melbourne, VIC, 3050, Australia; Department of Electrical and Electronic Engineering, Melbourne School of Engineering, The University of Melbourne, VIC, 3010, Australia; Department of Neurology, Melbourne Brain Centre, Royal Melbourne Hospital, VIC, 3010, Australia.
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Bead Number Effect in a Magnetic-Beads-Based Digital Microfluidic Immunoassay. BIOSENSORS 2022; 12:bios12050340. [PMID: 35624641 PMCID: PMC9138409 DOI: 10.3390/bios12050340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/11/2022] [Accepted: 05/13/2022] [Indexed: 11/17/2022]
Abstract
In a biomedical diagnosis with a limited sample volume and low concentration, droplet-based microfluidics, also called digital microfluidics, becomes a very attractive approach. Previously, our group developed a magnetic-beads-based digital microfluidic immunoassay with a bead number of around 100, requiring less than 1 μL of sample volume to achieve a pg/mL level limit of detection (LOD). However, the bead number in each measurement was not the same, causing an unstable coefficient of variation (CV) in the calibration curve. Here, we investigated whether a fixed number of beads in this bead-based digital microfluidic immunoassay could provide more stable results. First, the bead screening chips were developed to extract exactly 100, 49, and 25 magnetic beads with diameters of less than 6 μm. Then, four calibration curves were established. One calibration curve was constructed by using varying bead numbers (50–160) in the process. The other three calibration curves used a fixed number of beads, (100, 49, and 25). The results indicated that the CVs for a fixed number of beads were evidently smaller than the CVs for varying bead numbers, especially in the range of 1 pg/mL to 100 pg/mL, where the CVs for 100 beads were less than 10%. Furthermore, the calculated LOD, based on the composite calibration curves, could be reduced by three orders, from 3.0 pg/mL (for the unfixed bead number) to 0.0287 pg/mL (for 100 beads). However, when the bead numbers were too high (more than 500) or too low (25 or fewer), the bead manipulation for aggregation became more difficult in the magnetic-beads-based digital microfluidic immunoassay chip.
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Nix C, Ghassemi M, Crommen J, Fillet M. Overview on microfluidics devices for monitoring brain disorder biomarkers. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Jović M, Prim D, Saini E, Pfeifer ME. Towards a Point-of-Care (POC) Diagnostic Platform for the Multiplex Electrochemiluminescent (ECL) Sensing of Mild Traumatic Brain Injury (mTBI) Biomarkers. BIOSENSORS 2022; 12:172. [PMID: 35323442 PMCID: PMC8946848 DOI: 10.3390/bios12030172] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/02/2022] [Accepted: 03/07/2022] [Indexed: 06/14/2023]
Abstract
Globally, 70 million people are annually affected by TBI. A significant proportion of all TBI cases are actually mild TBI (concussion, 70-85%), which is considerably more difficult to diagnose due to the absence of apparent symptoms. Current clinical practice of diagnosing mTBI largely resides on the patients' history, clinical aspects, and CT and MRI neuroimaging observations. The latter methods are costly, time-consuming, and not amenable for decentralized or accident site measurements. As an alternative (and/or complementary), mTBI diagnostics can be performed by detection of mTBI biomarkers from patients' blood. Herein, we proposed two strategies for the detection of three mTBI-relevant biomarkers (GFAP, h-FABP, and S100β), in standard solutions and in human serum samples by using an electrochemiluminescence (ECL) immunoassay on (i) a commercial ECL platform in 96-well plate format, and (ii) a "POC-friendly" platform with disposable screen-printed carbon electrodes (SPCE) and a portable ECL reader. We further demonstrated a proof-of-concept for integrating three individually developed mTBI assays ("singleplex") into a three-plex ("multiplex") assay on a single SPCE using a spatially resolved ECL approach. The presented methodology demonstrates feasibility and a first step towards the development of a rapid POC multiplex diagnostic system for the detection of a mTBI biomarker panel on a single SPCE.
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Krausz AD, Korley FK, Burns MA. The Current State of Traumatic Brain Injury Biomarker Measurement Methods. BIOSENSORS 2021; 11:319. [PMID: 34562909 PMCID: PMC8469272 DOI: 10.3390/bios11090319] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/02/2021] [Accepted: 09/03/2021] [Indexed: 12/16/2022]
Abstract
Traumatic brain injury (TBI) is associated with high rates of morbidity and mortality partially due to the limited tools available for diagnosis and classification. Measuring panels of protein biomarkers released into the bloodstream after injury has been proposed to diagnose TBI, inform treatment decisions, and monitor the progression of the injury. Being able to measure these protein biomarkers at the point-of-care would enable assessment of TBIs from the point-of-injury to the patient's hospital bedside. In this review, we provide a detailed discussion of devices reported in the academic literature and available on the market that have been designed to measure TBI protein biomarkers in various biofluids and contexts. We also assess the challenges associated with TBI biomarker measurement devices and suggest future research directions to encourage translation of these devices to clinical use.
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Affiliation(s)
- Alyse D. Krausz
- Biomedical Engineering Department, University of Michigan, Ann Arbor, MI 48109, USA
| | - Frederick K. Korley
- Emergency Medicine, Michigan Medicine, University of Michigan, Ann Arbor, MI 48109, USA;
| | - Mark A. Burns
- Biomedical Engineering Department, University of Michigan, Ann Arbor, MI 48109, USA
- Chemical Engineering Department, University of Michigan, Ann Arbor, MI 48109, USA
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