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Zhang J, Zheng T, Helalat SH, Yesibolati MN, Sun Y. Synthesis of eco-friendly multifunctional dextran microbeads for multiplexed assays. J Colloid Interface Sci 2024; 666:603-614. [PMID: 38613982 DOI: 10.1016/j.jcis.2024.04.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 04/05/2024] [Accepted: 04/08/2024] [Indexed: 04/15/2024]
Abstract
There has been an increasing demand for simultaneous detection of multiple analytes in one sample. Microbead-based platforms have been developed for multiplexed assays. However, most of the microbeads are made of non-biodegradable synthetic polymers, leading to environmental and human health concerns. In this study, we developed an environmentally friendly dextran microbeads as a new type of multi-analyte assay platform. Biodegradable dextran was utilized as the primary material. Highly uniform magnetic dextran microspheres were successfully synthesized using the Shirasu porous glass (SPG) membrane emulsification technique. To enhance the amount of surface functional groups for ligand conjugation, we coated the dextran microbeads with a layer of dendrimers via a simple electrostatic adsorption process. Subsequently, a unique and efficient click chemistry coupling technique was developed for the fluorescence encoding of the microspheres, enabling multiplexed detection. The dextran microbeads were tested for 3-plex cytokine analysis, and exhibited excellent biocompatibility, stable coding signals, low background noise and high sensitivity.
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Affiliation(s)
- Jing Zhang
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark
| | - Tao Zheng
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark.
| | - Seyed Hossein Helalat
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark
| | - Murat Nulati Yesibolati
- National Centre for Nanofabrication and Characterization, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark
| | - Yi Sun
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads, DK-2800 Kgs. Lyngby, Denmark.
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2
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Turk Z, Armani A, Jafari-Gharabaghlou D, Madakbas S, Bonabi E, Zarghami N. A new insight into the early detection of HER2 protein in breast cancer patients with a focus on electrochemical biosensors approaches: A review. Int J Biol Macromol 2024; 272:132710. [PMID: 38825266 DOI: 10.1016/j.ijbiomac.2024.132710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/04/2024]
Abstract
Breast cancer is one of the leading causes of death in women and is a prevalent kind of cancerous growth, representing a substantial risk to women's health. Early detection of breast cancer is essential for effective treatment and improved survival rates. Biomarkers, active substances that signal the existence and advancement of a tumor, play a significant role in the early detection of breast cancer. Hence, accurate identification of biomarkers for tumors is crucial for diagnosing and treating breast cancer. However, the primary diagnostic methods used for the detection of breast cancer require specific equipment, skilled professionals, and specialized analysis, leading to elevated detection expenses. Regarding this obstacle, recent studies emphasize electrochemical biosensors as more advanced and sensitive detection tools compared to traditional methods. Electrochemical biosensors are employed to identify biomarkers that act as unique indicators for the onset, recurrence, and monitoring of therapeutic interventions for breast cancer. This study aims to provide a summary of the electrochemical biosensors that have been employed for the detection of breast cancer at an early stage over the past decade. Initially, the text provides concise information about breast cancer and tumor biomarkers. Subsequently, an in-depth analysis is conducted to systematically review the progress of electrochemical biosensors developed for the stable, specific, and sensitive identification of biomarkers associated with breast cancer. Particular emphasis was given to crucial clinical biomarkers, specifically the human epidermal growth factor receptor-2 (HER2). The analysis then explores the limitations and challenges inherent in the design of effective biosensors for diagnosing and treating breast cancer. Ultimately, we provided an overview of future research directions and concluded by outlining the advantages of electrochemical biosensor approaches.
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Affiliation(s)
- Zeynep Turk
- Department of Chemistry, Faculty of Science, Marmara University, Istanbul, Türkiye; Department of Analytical Chemistry, Faculty of Pharmacy, Istanbul Aydin University, Istanbul, Türkiye
| | - Arta Armani
- Department of Medical Biology and Genetics, Faculty of Medicine, Istanbul Aydin University, Istanbul, Türkiye
| | - Davoud Jafari-Gharabaghlou
- Department of Clinical Biochemistry and Laboratory Medicine, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyfullah Madakbas
- Department of Chemistry, Faculty of Science, Marmara University, Istanbul, Türkiye
| | - Esat Bonabi
- Department of Medical Microbiology, Faculty of Medicine, Istanbul Aydin University, Istanbul, Türkiye
| | - Nosratollah Zarghami
- Department of Medical Biochemistry, Faculty of Medicine, Istanbul Aydin University, Istanbul, Türkiye.
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3
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Zhou Y, Tao L, Qiu J, Xu J, Yang X, Zhang Y, Tian X, Guan X, Cen X, Zhao Y. Tumor biomarkers for diagnosis, prognosis and targeted therapy. Signal Transduct Target Ther 2024; 9:132. [PMID: 38763973 PMCID: PMC11102923 DOI: 10.1038/s41392-024-01823-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 03/07/2024] [Accepted: 04/02/2024] [Indexed: 05/21/2024] Open
Abstract
Tumor biomarkers, the substances which are produced by tumors or the body's responses to tumors during tumorigenesis and progression, have been demonstrated to possess critical and encouraging value in screening and early diagnosis, prognosis prediction, recurrence detection, and therapeutic efficacy monitoring of cancers. Over the past decades, continuous progress has been made in exploring and discovering novel, sensitive, specific, and accurate tumor biomarkers, which has significantly promoted personalized medicine and improved the outcomes of cancer patients, especially advances in molecular biology technologies developed for the detection of tumor biomarkers. Herein, we summarize the discovery and development of tumor biomarkers, including the history of tumor biomarkers, the conventional and innovative technologies used for biomarker discovery and detection, the classification of tumor biomarkers based on tissue origins, and the application of tumor biomarkers in clinical cancer management. In particular, we highlight the recent advancements in biomarker-based anticancer-targeted therapies which are emerging as breakthroughs and promising cancer therapeutic strategies. We also discuss limitations and challenges that need to be addressed and provide insights and perspectives to turn challenges into opportunities in this field. Collectively, the discovery and application of multiple tumor biomarkers emphasized in this review may provide guidance on improved precision medicine, broaden horizons in future research directions, and expedite the clinical classification of cancer patients according to their molecular biomarkers rather than organs of origin.
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Affiliation(s)
- Yue Zhou
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Lei Tao
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jiahao Qiu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jing Xu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xinyu Yang
- West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Yu Zhang
- West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
- School of Medicine, Tibet University, Lhasa, 850000, China
| | - Xinyu Tian
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xinqi Guan
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiaobo Cen
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
- National Chengdu Center for Safety Evaluation of Drugs, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yinglan Zhao
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China.
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4
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Wang M, Jin L, Hang-Mei Leung P, Wang-Ngai Chow F, Zhao X, Chen H, Pan W, Liu H, Li S. Advancements in magnetic nanoparticle-based biosensors for point-of-care testing. Front Bioeng Biotechnol 2024; 12:1393789. [PMID: 38725992 PMCID: PMC11079239 DOI: 10.3389/fbioe.2024.1393789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 04/09/2024] [Indexed: 05/12/2024] Open
Abstract
The significance of point-of-care testing (POCT) in early clinical diagnosis and personalized patient care is increasingly recognized as a crucial tool in reducing disease outbreaks and improving patient survival rates. Within the realm of POCT, biosensors utilizing magnetic nanoparticles (MNPs) have emerged as a subject of substantial interest. This review aims to provide a comprehensive evaluation of the current landscape of POCT, emphasizing its growing significance within clinical practice. Subsequently, the current status of the combination of MNPs in the Biological detection has been presented. Furthermore, it delves into the specific domain of MNP-based biosensors, assessing their potential impact on POCT. By combining existing research and spotlighting pivotal discoveries, this review enhances our comprehension of the advancements and promising prospects offered by MNP-based biosensors in the context of POCT. It seeks to facilitate informed decision-making among healthcare professionals and researchers while also promoting further exploration in this promising field of study.
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Affiliation(s)
- Miaomiao Wang
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China
| | - Lian Jin
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China
| | - Polly Hang-Mei Leung
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Franklin Wang-Ngai Chow
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Xiaoni Zhao
- Guangzhou Wanfu Biotechnology Company, Guangzhou, China
| | - Hui Chen
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China
| | - Wenjing Pan
- Hengyang Medical School, University of South China, Hengyang, China
| | - Hongna Liu
- Hengyang Medical School, University of South China, Hengyang, China
| | - Song Li
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China
- Hengyang Medical School, University of South China, Hengyang, China
- National Health Commission Key Laboratory of Birth Defect Research and Prevention, Hunan Provincial Maternal and Child Healthcare Hospital, Changsha, China
- Key Laboratory of Rare Pediatric Diseases, Ministry of Education, University of South China, Hengyang, China
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5
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Ahiadu BK, Ellis T, Graichen A, Kremer RB, Rusling JF. Quantitative detection of RAS and KKS peptides in COVID-19 patient serum by stable isotope dimethyl labeling LC-MS. Analyst 2023; 148:5926-5934. [PMID: 37850419 DOI: 10.1039/d3an00943b] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2023]
Abstract
Angiotensin and kinin metabolic pathways are reported to be altered by many diseases, including COVID-19. Monitoring levels of these peptide metabolites is important for understanding mechanisms of disease processes. In this paper, we report dimethyl labeling of amines in peptides by addition of formaldehyde to samples and deutero-formaldehyde to internal standards to generate nearly identical isotopic standards with 4 m/z units larger per amine group than the corresponding analyte. We apply this approach to rapid, multiplexed, absolute LC-MS/MS quantitation of renin angiotensin system (RAS) and kallikrein-kinin system (KKS) peptides in human blood serum. Limits of detection (LODs) were obtained in the low pg mL-1 range with 3 orders of magnitude dynamic ranges, appropriate for determinations of normal and elevated levels of the target peptides in blood serum and plasma. Accuracy is within ±15% at concentrations above the limit of quantitation, as validated by spike-recovery in serum samples. Applicability was demonstrated by measuring RAS and KKS peptides in serum from COVID-19 patients, but is extendable to any class of peptides or other small molecules bearing reactive -NH2 groups.
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Affiliation(s)
- Ben K Ahiadu
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269, USA.
| | - Thomas Ellis
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269, USA.
| | - Adam Graichen
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269, USA.
| | - Richard B Kremer
- Department of Medicine, McGill University Health Centre, 1001 Decarie Blvd., Montreal, QC H4A, Canada
| | - James F Rusling
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269, USA.
- Department of Surgery and Neag Cancer Center, UConn Health, Farmington, Connecticut 06232, USA
- School of Chemistry, National University of Ireland Galway, Galway, H91 TK33, Ireland
- Institute of Materials Science, University of Connecticut, 97 N. Eagleville Road, Storrs, CT 06269, USA
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6
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O'Shaughnessy KL, Hotchkiss MG, Buckalew AK, Murr AS, Gilbert ME, Stoker TE. An optimized radioimmunoassay for quantification of total serum thyroxine (T4) in fetal, neonatal, and pregnant rats. Neurotoxicol Teratol 2023; 100:107303. [PMID: 37777095 DOI: 10.1016/j.ntt.2023.107303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 09/05/2023] [Accepted: 09/26/2023] [Indexed: 10/02/2023]
Abstract
Identifying xenobiotics that interrupt the thyroid axis has significant public health implications, given that thyroid hormones are required for brain development. As such, some developmental and reproductive toxicology (DART) studies now require or recommend serum total thyroxine (T4) measurements in pregnant, lactating, and developing rats. However, serum T4 concentrations are normally low in the fetus and pup which makes quantification difficult. These challenges can be circumvented by technologies like mass spectrometry, but these approaches are expensive and not always widely available. To demonstrate the feasibility of measuring T4 using a commercially available assay, we examine technical replicates of rat serum samples measured both by liquid chromatography mass spectrometry (LC/MS/MS) and radioimmunoassay (RIA). These samples were obtained from rats on gestational day 20 (dams and fetuses) or postnatal day 5 (pups), following maternal exposure to the goitrogen propylthiouracil (0-3 ppm) to incrementally decrease T4. We show that with assay modification, it is possible to measure serum T4 using low sample volumes (25-50 μL) by an RIA, including in the GD20 fetus exposed to propylthiouracil. This proof-of-concept study demonstrates the technical feasibility of measuring serum T4 in DART studies.
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Affiliation(s)
- Katherine L O'Shaughnessy
- Neurological and Endocrine Toxicology Branch, Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, United States Environmental Protection Agency, Research Triangle Park, NC 27711, USA
| | - Michelle G Hotchkiss
- Neurological and Endocrine Toxicology Branch, Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, United States Environmental Protection Agency, Research Triangle Park, NC 27711, USA
| | - Angela K Buckalew
- Neurological and Endocrine Toxicology Branch, Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, United States Environmental Protection Agency, Research Triangle Park, NC 27711, USA
| | - Ashley S Murr
- Neurological and Endocrine Toxicology Branch, Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, United States Environmental Protection Agency, Research Triangle Park, NC 27711, USA
| | - Mary E Gilbert
- Neurological and Endocrine Toxicology Branch, Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, United States Environmental Protection Agency, Research Triangle Park, NC 27711, USA
| | - Tammy E Stoker
- Neurological and Endocrine Toxicology Branch, Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, United States Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
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7
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Balzer AHA, Whitehurst CB. An Analysis of the Biotin-(Strept)avidin System in Immunoassays: Interference and Mitigation Strategies. Curr Issues Mol Biol 2023; 45:8733-8754. [PMID: 37998726 PMCID: PMC10670868 DOI: 10.3390/cimb45110549] [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: 09/30/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/25/2023] Open
Abstract
An immunoassay is an analytical test method in which analyte quantitation is based on signal responses generated as a consequence of an antibody-antigen interaction. They are the method of choice for the measurement of a large panel of diagnostic markers. Not only are they fully automated, allowing for a short turnaround time and high throughput, but offer high sensitivity and specificity with low limits of detection for a wide range of analytes. Many immunoassay manufacturers exploit the extremely high affinity of biotin for streptavidin in their assay design architectures as a means to immobilize and detect analytes of interest. The biotin-(strept)avidin system is, however, vulnerable to interference with high levels of supplemental biotin that may cause elevated or suppressed test results. Since this system is heavily applied in clinical diagnostics, biotin interference has become a serious concern, prompting the FDA to issue a safety report alerting healthcare workers and the public about the potential harm of ingesting high levels of supplemental biotin contributing toward erroneous diagnostic test results. This review includes a general background and historical prospective of immunoassays with a focus on the biotin-streptavidin system, interferences within the system, and what mitigations are applied to minimize false diagnostic results.
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Affiliation(s)
- Amy H. A. Balzer
- Department of Pathology, Microbiology, and Immunology, New York Medical College, Basic Medical Science Building, 15 Dana Rd., Valhalla, NY 10595, USA
| | - Christopher B. Whitehurst
- Department of Pathology, Microbiology, and Immunology, New York Medical College, Basic Medical Science Building, 15 Dana Rd., Valhalla, NY 10595, USA
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8
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Zhou Y, Liu Z. Saliva biomarkers in oral disease. Clin Chim Acta 2023; 548:117503. [PMID: 37536520 DOI: 10.1016/j.cca.2023.117503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 07/26/2023] [Accepted: 07/31/2023] [Indexed: 08/05/2023]
Abstract
Saliva is a versatile biofluid that contains a wide variety of biomarkers reflecting both physiologic and pathophysiologic states. Saliva collection is noninvasive and highly applicable for tests requiring serial sampling. Furthermore, advances in test accuracy, sensitivity and precision for saliva has improved diagnostic performance as well as the identification of novel markers especially in oral disease processes. These include dental caries, periodontitis, oral squamous cell carcinoma (OSCC) and Sjögren's syndrome (SS). Numerous growth factors, enzymes, interleukins and cytokines have been identified and are the subject of much research investigation. This review highlights current procedures for successful determination of saliva biomarkers including preanalytical factors associated with sampling, storage and pretreatment as well as subsequent analysis. Moreover, it provides an overview of the diagnostic applications of these salivary biomarkers in common oral diseases.
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Affiliation(s)
- Yuehong Zhou
- Wenzhou Medical University Renji College, Wenzhou, China
| | - Zhenqi Liu
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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9
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Hayrapetyan H, Tran T, Tellez-Corrales E, Madiraju C. Enzyme-Linked Immunosorbent Assay: Types and Applications. Methods Mol Biol 2023; 2612:1-17. [PMID: 36795355 DOI: 10.1007/978-1-0716-2903-1_1] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Enzyme-linked immunosorbent assay (ELISA) is an immunological assay widely used in basic science research, clinical application studies, and diagnostics. The ELISA technique relies on the interaction between the antigen (i.e., the target protein) versus the primary antibody against the antigen of interest. The presence of the antigen is confirmed through the enzyme-linked antibody catalysis of the added substrate, the products of which are either qualitatively detected by visual inspection or quantitatively using readouts from either a luminometer or a spectrophotometer. ELISA techniques are broadly classified into direct, indirect, sandwich, and competitive ELISA-all of which vary based on the antigens, antibodies, substrates, and experimental conditions. Direct ELISA relies on the binding of the enzyme-conjugated primary antibodies to the antigen-coated plates. Indirect ELISA introduces enzyme-linked secondary antibodies specific to the primary antibodies bound to the antigen-coated plates. Competitive ELISA involves a competition between the sample antigen and the plate-coated antigen for the primary antibody, followed by the binding of enzyme-linked secondary antibodies. Sandwich ELISA technique includes a sample antigen introduced to the antibody-precoated plate, followed by sequential binding of detection and enzyme-linked secondary antibodies to the recognition sites on the antigen. This review describes ELISA methodology, the types of ELISA, their advantages and disadvantages, and a listing of some multifaceted applications both in clinical and research settings, including screening for drug use, pregnancy testing, diagnosing disease, detecting biomarkers, blood typing, and detecting SARS-CoV-2 that causes coronavirus disease 2019 (COVID-19).
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Affiliation(s)
- Hovhannes Hayrapetyan
- Marshall B. Ketchum University, Fullerton, CA, USA.,Wayne State University, School of Medicine, Detroit, MI, USA
| | - Thao Tran
- Marshall B. Ketchum University, Fullerton, CA, USA
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10
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Mangion D, Pace NP, Formosa MM. The relationship between adipokine levels and bone mass-A systematic review. Endocrinol Diabetes Metab 2023; 6:e408. [PMID: 36759562 PMCID: PMC10164433 DOI: 10.1002/edm2.408] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 01/10/2023] [Accepted: 01/14/2023] [Indexed: 02/11/2023] Open
Abstract
INTRODUCTION Adipose tissue is the source of a broad array of signalling molecules (adipokines), which mediate interorgan communication and regulate metabolic homeostasis. Alterations in adipokine levels have been causally implicated in various metabolic disorders, including changes in bone mass. Osteoporosis is the commonest progressive metabolic bone disease, characterized by elevated risk of fragility fractures as a result of a reduced bone mass and microarchitectural deterioration. The effects of different adipokines on bone mass have been studied in an attempt to identify novel modulators of bone mass or diagnostic biomarkers of osteoporosis. METHODS In this review, we sought to aggregate and assess evidence from independent studies that quantify specific adipokines and their effect on bone mineral density (BMD). RESULTS A literature search identified 57 articles that explored associations between different adipokines and BMD. Adiponectin and leptin were the most frequently studied adipokines, with most studies demonstrating that adiponectin levels are associated with decreased BMD at the lumbar spine and femoral neck. Conversely, leptin levels are associated with increased BMD at these sites. However, extensive heterogeneity with regards to sample size, characteristics of study subjects, ethnicity, as well as direction and magnitude of effect at specific skeletal anatomical sites was identified. The broad degree of conflicting findings reported in this study can be attributed several factors. These include differences in study design and ascertainment criteria, the analytic challenges of quantifying specific adipokines and their isoforms, pre-analytical variables (in particular patient preparation) and confounding effects of co-existing disease. CONCLUSIONS This review highlights the biological relevance of adipokines in bone metabolism and reinforces the need for longitudinal research to elucidate the causal relationship of adipokines on bone mass.
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Affiliation(s)
- Darren Mangion
- Department of Applied Biomedical Science, Faculty of Health Sciences, University of Malta, Msida, Malta
| | - Nikolai P Pace
- Centre for Molecular Medicine and Biobanking, University of Malta, Msida, Malta.,Department of Anatomy, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
| | - Melissa M Formosa
- Department of Applied Biomedical Science, Faculty of Health Sciences, University of Malta, Msida, Malta.,Centre for Molecular Medicine and Biobanking, University of Malta, Msida, Malta
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11
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Kothegala L, Miranda C, Singh M, Krieger JP, Gandasi NR. Somatostatin Containing δ-Cell Number Is Reduced in Type-2 Diabetes. Int J Mol Sci 2023; 24:ijms24043449. [PMID: 36834860 PMCID: PMC9959292 DOI: 10.3390/ijms24043449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 02/01/2023] [Accepted: 02/04/2023] [Indexed: 02/11/2023] Open
Abstract
Recent developments suggest that increased glucagon and decreased somatostatin secretion from the pancreas contribute to hyperglycaemia in type-2 diabetes (T2D) patients. There is a huge need to understand changes in glucagon and somatostatin secretion to develop potential anti-diabetic drugs. To further describe the role of somatostatin in the pathogenesis of T2D, reliable means to detect islet δ-cells and somatostatin secretion are necessary. In this study, we first tested currently available anti-somatostatin antibodies against a mouse model that fluorescently labels δ-cells. We found that these antibodies only label 10-15% of the fluorescently labelled δ-cells in pancreatic islets. We further tested six antibodies (newly developed) that can label both somatostatin 14 (SST14) and 28 (SST28) and found that four of them were able to detect above 70% of the fluorescent cells in the transgenic islets. This is quite efficient compared to the commercially available antibodies. Using one of these antibodies (SST10G5), we compared the cytoarchitecture of mouse and human pancreatic islets and found fewer δ-cells in the periphery of human islets. Interestingly, the δ-cell number was also reduced in islets from T2D donors compared to non-diabetic donors. Finally, with the aim to measure SST secretion from pancreatic islets, one of the candidate antibodies was used to develop a direct-ELISA-based SST assay. Using this novel assay, we could detect SST secretion under low and high glucose conditions from the pancreatic islets, both in mice and humans. Overall, using antibody-based tools provided by Mercodia AB, our study indicates reduced δ-cell numbers and SST secretion in diabetic islets.
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Affiliation(s)
- Lakshmi Kothegala
- Cell Metabolism Lab (GA-08), Department of Developmental Biology and Genetics (DBG), Indian Institute of Science (IISc), Bengaluru 560012, India
- Department of Metabolic Physiology, Institute of Neuroscience and Physiology, University of Gothenburg, Box 430, 40530 Gothenburg, Sweden
| | - Caroline Miranda
- Department of Metabolic Physiology, Institute of Neuroscience and Physiology, University of Gothenburg, Box 430, 40530 Gothenburg, Sweden
| | - Meetu Singh
- Cell Metabolism Lab (GA-08), Department of Developmental Biology and Genetics (DBG), Indian Institute of Science (IISc), Bengaluru 560012, India
| | - Jean-Philippe Krieger
- Department of Metabolic Physiology, Institute of Neuroscience and Physiology, University of Gothenburg, Box 430, 40530 Gothenburg, Sweden
| | - Nikhil R. Gandasi
- Cell Metabolism Lab (GA-08), Department of Developmental Biology and Genetics (DBG), Indian Institute of Science (IISc), Bengaluru 560012, India
- Department of Metabolic Physiology, Institute of Neuroscience and Physiology, University of Gothenburg, Box 430, 40530 Gothenburg, Sweden
- Department of Medical Cell Biology, Uppsala University, BMC 571, 75123 Uppsala, Sweden
- Correspondence: or
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12
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Huang Y, Zhang Z, Zhou Y. AbAgIntPre: A deep learning method for predicting antibody-antigen interactions based on sequence information. Front Immunol 2022; 13:1053617. [PMID: 36618397 PMCID: PMC9813736 DOI: 10.3389/fimmu.2022.1053617] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
Introduction Antibody-mediated immunity is an essential part of the immune system in vertebrates. The ability to specifically bind to antigens allows antibodies to be widely used in the therapy of cancers and other critical diseases. A key step in antibody therapeutics is the experimental identification of antibody-antigen interactions, which is generally time-consuming, costly, and laborious. Although some computational methods have been proposed to screen potential antibodies, the dependence on 3D structures still limits the application of these methods. Methods Here, we developed a deep learning-assisted prediction method (i.e., AbAgIntPre) for fast identification of antibody-antigen interactions that only relies on amino acid sequences. A Siamese-like convolutional neural network architecture was established with the amino acid composition encoding scheme for both antigens and antibodies. Results and Discussion The generic model of AbAgIntPre achieved satisfactory performance with the Area Under Curve (AUC) of 0.82 on a high-quality generic independent test dataset. Besides, this approach also showed competitive performance on the more specific SARS-CoV dataset. We expect that AbAgIntPre can serve as an important complement to traditional experimental methods for antibody screening and effectively reduce the workload of antibody design. The web server of AbAgIntPre is freely available at http://www.zzdlab.com/AbAgIntPre.
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Affiliation(s)
- Yan Huang
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China,Department of Biomedical Informatics, Key Laboratory of Molecular Cardiovascular Sciences of the Ministry of Education, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Ziding Zhang
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China,*Correspondence: Ziding Zhang, ; Yuan Zhou,
| | - Yuan Zhou
- Department of Biomedical Informatics, Key Laboratory of Molecular Cardiovascular Sciences of the Ministry of Education, School of Basic Medical Sciences, Peking University, Beijing, China,*Correspondence: Ziding Zhang, ; Yuan Zhou,
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Urlacher SS, Kim EY, Luan T, Young LJ, Adjetey B. Minimally invasive biomarkers in human and non-human primate evolutionary biology: Tools for understanding variation and adaptation. Am J Hum Biol 2022; 34:e23811. [PMID: 36205445 PMCID: PMC9787651 DOI: 10.1002/ajhb.23811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 08/21/2022] [Accepted: 09/10/2022] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND The use of minimally invasive biomarkers (MIBs - physiological biomarkers obtained from minimally invasive sample types) has expanded rapidly in science and medicine over the past several decades. The MIB approach is a methodological strength in the field of human and non-human primate evolutionary biology (HEB). Among humans and our closest relatives, MIBs provide unique opportunities to document phenotypic variation and to operationalize evolutionary hypotheses. AIMS This paper overviews the use of MIBs in HEB. Our objectives are to (1) highlight key research topics which successfully implement MIBs, (2) identify promising yet under-investigated areas of MIB application, and (3) discuss current challenges in MIB research, with suggestions for advancing the field. DISCUSSION AND CONCLUSIONS A range of MIBs are used to investigate focal topics in HEB, including energetics and life history variation/evolution, developmental plasticity, and social status and dominance relationships. Nonetheless, we identify gaps in existing MIB research on traits such as physical growth and gut function that are central to the field. Several challenges remain for HEB research using MIBs, including the need for additional biomarkers and methods of assessment, robust validations, and approaches that are standardized across labs and research groups. Importantly, researchers must provide better support for adaptation and fitness effects in hypothesis testing (e.g., by obtaining complementary measures of energy expenditure, demonstrating redundancy of function, and performing lifetime/longitudinal analyses). We point to continued progress in the use of MIBs in HEB to better understand the past, present, and future of humans and our closest primate relatives.
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Affiliation(s)
- Samuel S. Urlacher
- Department of AnthropologyBaylor UniversityWacoTexasUSA
- Human Evolutionary Biology and Health LabBaylor UniversityWacoTexasUSA
- Child and Brain Development ProgramCIFARTorontoOntarioCanada
| | - Elizabeth Y. Kim
- Human Evolutionary Biology and Health LabBaylor UniversityWacoTexasUSA
- Department of BiologyBaylor UniversityWacoTexasUSA
| | - Tiffany Luan
- Human Evolutionary Biology and Health LabBaylor UniversityWacoTexasUSA
| | - Lauren J. Young
- Human Evolutionary Biology and Health LabBaylor UniversityWacoTexasUSA
| | - Brian Adjetey
- Human Evolutionary Biology and Health LabBaylor UniversityWacoTexasUSA
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Thumvijit T, Supawat B, Wattanapongpitak S, Kothan S, Tungjai M. Effect of iodinated radiographic contrast media on radioimmunoassay for measuring thyroid hormones. Appl Radiat Isot 2022; 185:110261. [PMID: 35500507 DOI: 10.1016/j.apradiso.2022.110261] [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: 01/23/2022] [Revised: 04/18/2022] [Accepted: 04/24/2022] [Indexed: 02/07/2023]
Abstract
Radioimmunoassay (RIA) is one of the most routine laboratory tests for diagnosing thyroid disease. Patients might receive iodine in the form of intravenous iodinated radiographic contrast media (IRCM) before testing of serum thyroxin (T4) or triiodothyronine (T3) concentration by RIA. The objective was to determine the effect of IRCM on T4 and T3 hormone tests in normal, hypothyroid, and hyperthyroid hormone conditions by RIA. IRCMs (0, 2.5, 5 and 10 mgI/mL) used in this study were iopromide and iodixanol. RIA was determined by commercial T4 RIA kit and T3 RIA kits. The method suggested by the manufacturer was followed. Normal, hypothyroid, and hyperthyroid hormones condition were 1.2 ng/mL, 0.2 ng/mL and 2.2 ng/mL for T3 hormone concentration and 70 ng/mL, 30 ng/mL and 140 ng/mL for T4 hormone concentration, respectively. %Bound values were compared between IRCM-incubated groups and non-incubated group. The data showed that iopromide-incubated groups did not statistically significant change %bound values of T3 and T4 hormone tests in normal, hypothyroid, and hyperthyroid conditions, compared to the non-incubated group. In the same way, %bound values of T3 and T4 hormone tests in iodixanol-incubated groups did not change at all conditions when compared to the non-incubated group. This finding suggested that iodinated radiographic contrast media was unlikely to result in significant problems with radioimmunoassay for measuring T3 and T4 thyroid hormones.
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Affiliation(s)
- Tarika Thumvijit
- Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand; Bone and Mineral Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, 50200, Thailand
| | - Benjamaporn Supawat
- Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand; Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Sakornniya Wattanapongpitak
- Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand; Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Suchart Kothan
- Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand; Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand; Bone and Mineral Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, 50200, Thailand
| | - Montree Tungjai
- Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand; Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand; Bone and Mineral Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, 50200, Thailand.
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15
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Lopez-Nieves I, Jakobsche CE. Biomolecular Effects of Dance and Dance/Movement Therapy: A Review. AMERICAN JOURNAL OF DANCE THERAPY 2022. [DOI: 10.1007/s10465-022-09368-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
AbstractThe positive health impacts of dance and dance/movement therapy can be seen all the way down to the molecular level. This narrative-style review illustrates this connection by presenting a collection of clinical and preclinical studies that evaluate the effects of dance activities on hormones and other small-molecule metabolites within the human body. The results of these studies show that dance activities can increase levels of nitric oxide, serotonin, estrogen hormones, and HDL cholesterol, while they can decrease levels of dopamine, serum glucose, serum triglycerides, and LDL cholesterol. Levels of cortisol can either be increased or decreased, depending on the type of dance. Many of these results parallel the biomolecular effects of traditional (non-dance) exercise activities, although some contrasting results can also be seen. The concentrations of these molecules and their distributions throughout the body impact health and a wide variety of disease states. This connection to the molecular level provides a perspective for understanding how it is that dance activities are able to affect larger-scale physiological and psychological responses and lead to the positive health outcomes that are observed in many situations.
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16
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Is calcitonin gene-related peptide a reliable biochemical marker of migraine? Curr Opin Neurol 2022; 35:343-352. [PMID: 35674078 DOI: 10.1097/wco.0000000000001053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW The aim of this study was to provide an overview of clinical studies on calcitonin gene-related peptide (CGRP) measurements in body fluids of migraine patients and to discuss the validity of CGRP measurement as a clinical biomarker of migraine. RECENT FINDINGS Several studies have reported increased CGRP levels in venous blood, saliva and tear fluid of migraine patients compared with healthy controls and in migraine patients during attacks compared with the interictal state, suggesting that CGRP may be a feasible biomarker of migraine. However, the findings of studies investigating CGRP levels in migraine patients are generally conflicting and measurements of CGRP levels are challenged by several methodological issues. Reported differences in CGRP levels between patients with chronic migraine relative to episodic migraine have also been inconsistent. There is also a well documented involvement of CGRP in several nonmigraine pain disorders, including cluster headache and common pain conditions such as osteoarthritis. SUMMARY Current evidence does not justify the usage of CGRP levels as a biomarker for diagnosing migraine or for determining the severity of the disease in individual patients. However, CGRP measurements could prove useful in the future as clinically relevant biomarkers for predicting the response to therapy, including anti-CGRP migraine drugs.
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17
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Kontopodi E, Hettinga K, Stahl B, van Goudoever JB, M van Elburg R. Testing the effects of processing on donor human Milk: Analytical methods. Food Chem 2022; 373:131413. [PMID: 34700038 DOI: 10.1016/j.foodchem.2021.131413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 10/12/2021] [Accepted: 10/13/2021] [Indexed: 01/01/2023]
Abstract
Holder pasteurization is the current recommended method for donor human milk treatment. This method effectively eliminates most life-threatening contaminants in donor milk, but it also greatly reduces some of its biological properties. Consequently, there is a growing interest for developing novel processing methods that can ensure both microbial inactivation and a higher retention of the functional components of donor milk. Our aim was to offer a comprehensive overview of the analytical techniques available for the evaluation of such methods. To suggest an efficient workflow for the analysis of processed donor milk, a safety analytical panel as well as a nutritional value and functionality analytical panel are discussed, together with the principles, benefits, and drawbacks of the available techniques. Concluding on the suitability of a novel method requires a multifactorial approach which can be achieved by a combination of analytical targets and by using complementary assays to cross-validate the obtained results.
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Affiliation(s)
- Eva Kontopodi
- Amsterdam UMC, University of Amsterdam, Vrije Universiteit, Emma Children's Hospital, Human Milk Bank, Amsterdam, the Netherlands; Food Quality and Design Group, Wageningen University & Research, the Netherlands.
| | - Kasper Hettinga
- Food Quality and Design Group, Wageningen University & Research, the Netherlands
| | - Bernd Stahl
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands; Danone Nutricia Research, Utrecht, the Netherlands
| | - Johannes B van Goudoever
- Amsterdam UMC, University of Amsterdam, Vrije Universiteit, Emma Children's Hospital, Human Milk Bank, Amsterdam, the Netherlands
| | - Ruurd M van Elburg
- Amsterdam UMC, University of Amsterdam, Vrije Universiteit, Emma Children's Hospital, Human Milk Bank, Amsterdam, the Netherlands
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18
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Zhang H, Li B, Liu Y, Chuan H, Liu Y, Xie P. Immunoassay technology: Research progress in microcystin-LR detection in water samples. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127406. [PMID: 34689091 DOI: 10.1016/j.jhazmat.2021.127406] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/20/2021] [Accepted: 09/29/2021] [Indexed: 06/13/2023]
Abstract
Increasing global warming and eutrophication have led to frequent outbreaks of cyanobacteria blooms in freshwater. Cyanobacteria blooms cause the death of aquatic and terrestrial organisms and have attracted considerable attention since the 19th century. Microcystin-LR (MC-LR) is one of the most typical cyanobacterial toxins. Therefore, the fast, sensitive, and accurate determination of MC-LR plays an important role in the health of humans and animals. Immunoassay refers to a method that uses the principle of immunology to determine the content of the tested substance in a sample using the tested substance as an antigen or antibody. In analytical applications, the immunoassay technology could use the specific recognition of antibodies for MC-LR detection. In this review, we firstly highlight the immunoassay detection of MC-LR over the past two decades, including classical enzyme-link immunosorbent assay (ELISA), modern immunoassay with optical signal, and modern immunoassay with electrical signal. Among these detection methods, the water environment was used as the main detection system. The advantages and disadvantages of the different detection methods were compared and analyzed, and the principles and applications of immunoassays in water samples were elaborated. Furthermore, the current challenges and developmental trends in immunoassay were systematically introduced to enhance MC-LR detection performance, and some critical points were given to deal with current challenges. This review provides novel insight into MC-LR detection based on immunoassay method.
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Affiliation(s)
- Huixia Zhang
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, PR China
| | - Bingyan Li
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, PR China
| | - Yipeng Liu
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, PR China
| | - Huiyan Chuan
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, PR China
| | - Yong Liu
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, PR China.
| | - Ping Xie
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Sciences, Yunnan University, Kunming 650500, PR China; Donghu Experimental Station of Lake Ecosystems, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, PR China.
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Ji DD, Wu MX, Ding SN. Photonic crystal barcodes assembled from dendritic silica nanoparticles for the multiplex immunoassays of ovarian cancer biomarkers. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:298-305. [PMID: 34985054 DOI: 10.1039/d1ay01658j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The combined detection of CA125, CEA and AFP is of great significance in the diagnosis of ovarian cancer. Photonic crystal (PhC) barcodes have apparent advantages in multiplex immunoassays of ovarian cancer markers. In this paper, a novel PhC barcode was assembled from dendritic silica nanoparticles (dSiO2) for multiplex detection of ovarian cancer biomarkers. The interconnected macroporous structure of the dSiO2 PhC beads and the open porous topography of dendritic silica particles could increase the surface area to volume ratio for antibody immobilization. We simultaneously detected multiple ovarian cancer markers in one test tube using the sandwich immunization method by utilizing dSiO2 PhC beads as a barcode and CdTe QDs as a detection signal. The detection limits of the three ovarian cancer markers, AFP, CEA and CA125, were 0.52 ng mL-1, 0.64 ng mL-1 and 0.79 U mL-1, respectively (the signal-to-noise ratio was 3). Compared with the classic silica colloidal crystal bead (SCCB) suspension array, the sensitivity of the dSiO2 PhC bead suspension array was increased. In addition, the results showed that this barcode suspension array had acceptable accuracy and good reproducibility.
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Affiliation(s)
- Dan-Dan Ji
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China.
| | - Mei-Xia Wu
- Lianshui People's Hospital, Jiangsu 223400, China
| | - Shou-Nian Ding
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China.
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20
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Luka G, Samiei E, Tasnim N, Dalili A, Najjaran H, Hoorfar M. Comprehensive review of conventional and state-of-the-art detection methods of Cryptosporidium. JOURNAL OF HAZARDOUS MATERIALS 2022; 421:126714. [PMID: 34325293 DOI: 10.1016/j.jhazmat.2021.126714] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 07/06/2021] [Accepted: 07/19/2021] [Indexed: 06/13/2023]
Abstract
Cryptosporidium is a critical waterborne protozoan pathogen found in water resources that have been a major cause of death and serious illnesses worldwide, costing millions of dollars annually for its detection and treatment. Over the past several decades, substantial efforts have been made towards developing techniques for the detection of Cryptosporidium. Early diagnostic techniques were established based on the existing tools in laboratories, such as microscopes. Advancements in fluorescence microscopy, immunological, and molecular techniques have led to the development of several kits for the detection of Cryptosporidium spp. However, these methods have several limitations, such as long processing times, large sample volumes, the requirement for bulky and expensive laboratory tools, and the high cost of reagents. There is an urgent need to improve these existing techniques and develop low-cost, portable and rapid detection tools for applications in the water quality industry. In this review, we compare recent advances in nanotechnology, biosensing and microfluidics that have facilitated the development of sophisticated tools for the detection of Cryptosporidium spp.Finally, we highlight the advantages and disadvantages, of these state-of-the-art detection methods compared to current analytical methodologies and discuss the need for future developments to improve such methods for detecting Cryptosporidium in the water supply chain to enable real-time and on-site monitoring in water resources and remote areas.
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Affiliation(s)
- George Luka
- School of Engineering, University of British Columbia, 3333 University Way, Kelowna, BC V1V1V7, Canada.
| | - Ehsan Samiei
- Department of Mechanical & Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada.
| | - Nishat Tasnim
- School of Engineering, University of British Columbia, 3333 University Way, Kelowna, BC V1V1V7, Canada.
| | - Arash Dalili
- School of Engineering, University of British Columbia, 3333 University Way, Kelowna, BC V1V1V7, Canada.
| | - Homayoun Najjaran
- School of Engineering, University of British Columbia, 3333 University Way, Kelowna, BC V1V1V7, Canada.
| | - Mina Hoorfar
- School of Engineering, University of British Columbia, 3333 University Way, Kelowna, BC V1V1V7, Canada.
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Lian K, Feng H, Liu S, Wang K, Liu Q, Deng L, Wang G, Chen Y, Liu G. Insulin quantification towards early diagnosis of prediabetes/diabetes. Biosens Bioelectron 2022; 203:114029. [DOI: 10.1016/j.bios.2022.114029] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 01/13/2022] [Accepted: 01/20/2022] [Indexed: 12/19/2022]
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22
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Ahsan H. Monoplex and multiplex immunoassays: approval, advancements, and alternatives. COMPARATIVE CLINICAL PATHOLOGY 2021; 31:333-345. [PMID: 34840549 PMCID: PMC8605475 DOI: 10.1007/s00580-021-03302-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 11/03/2021] [Indexed: 02/07/2023]
Abstract
Immunoassays are a powerful diagnostic tool and are widely used for the quantification of proteins and biomolecules in medical diagnosis and research. Enzyme-linked immunosorbent assay (ELISA) is the most commonly used immunoassay format and allows the detection of biomarkers at a very low concentration. The diagnostic platforms such as enzyme immunoassay (EIA), chemiluminescence (CL) assay, polymerase chain reaction (PCR), flow cytometry (FC), and mass spectrometry (MS) have been used to identify molecular biomarkers. However, these diagnostic tools requiring expensive equipment, long testing time, and qualified personnel that is not always available in small local hospitals with limited resources. The lateral flow immunoassay (LFIA) platform was developed for rapidly obtaining laboratory results and to make urgent decisions in emergency medicine, as well as the recently introduced concept of testing at the site of care (point-of-care, POC). The simultaneous measurement of different substances from a single sample called multiplex assays have become increasingly significant for in vitro quantification of multiple analytes in a single sample, thereby minimising cost, time, and volume. In multiplex immunoassays, the ligands are immobilized either in planar format (flat surface) or on microspheres in suspension that binds to target analytes in sample. The multiplex technology has established itself in proteomic networks and pathways, validation of genomic discoveries, and in the development of clinical biomarkers. In the present review article, various types of monoplex/simplex and complex/multiplex immunoassays have been analysed that are increasingly being applied in laboratory medicine. Also, some advantages and disadvantages of these multiplex assays have also been included such as experimental animals, in vitro tests using cell lines and tissue samples, 3-dimensional modelling and bioprinting, in silico tests, organ-on-chip, and computer modelling.
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Affiliation(s)
- Haseeb Ahsan
- Department of Biochemistry, Faculty of Dentistry, Jamia Millia Islamia (A Central University), New Delhi - 110025, India
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Yu MM. Can a radioimmunoassay kit be developed for accurate detection of the S protein of severe acute respiratory syndrome coronavirus 2? World J Clin Infect Dis 2021; 11:60-62. [DOI: 10.5495/wjcid.v11.i3.60] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 08/18/2021] [Accepted: 10/20/2021] [Indexed: 02/06/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) at the end of 2019 spread worldwide within only a few months. The screening and timely isolation of infected individuals have been regarded as an effective means of epidemic prevention and control. Therefore, effective screening of infected individuals plays a vital role in epidemic prevention and control. At present, reverse transcription-polymerase chain reaction (RT–PCR) is the main method for the in vitro detection of SARS-CoV-2. However, RT–PCR requires certified laboratories, expensive equipment, and trained technicians. Therefore, it is necessary to develop simpler and more convenient methods. Some studies have shown that the PepKAA peptide has a high affinity for the S protein of SARS-CoV-2. The tyrosine in PepKAA is labeled with 125I and used to design a radioimmunoassay kit for the detection of the S protein of SARS-CoV-2, which is of great significance for the early diagnosis of COVID-19.
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Affiliation(s)
- Ming-Ming Yu
- Department of Nuclear Medicine, the Affiliated Hospital of Qingdao University, Qingdao 266100, Shandong Province, China
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Lohcharoenkal W, Abbas Z, Rojanasakul Y. Advances in Nanotechnology-Based Biosensing of Immunoregulatory Cytokines. BIOSENSORS 2021; 11:364. [PMID: 34677320 PMCID: PMC8533878 DOI: 10.3390/bios11100364] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/22/2021] [Accepted: 09/26/2021] [Indexed: 12/13/2022]
Abstract
Cytokines are a large group of small proteins secreted by immune and non-immune cells in response to external stimuli. Much attention has been given to the application of cytokines' detection in early disease diagnosis/monitoring and therapeutic response assessment. To date, a wide range of assays are available for cytokines detection. However, in specific applications, multiplexed or continuous measurements of cytokines with wearable biosensing devices are highly desirable. For such efforts, various nanomaterials have been extensively investigated due to their extraordinary properties, such as high surface area and controllable particle size and shape, which leads to their tunable optical emission, electrical, and magnetic properties. Different types of nanomaterials such as noble metal, metal oxide, and carbon nanoparticles have been explored for various biosensing applications. Advances in nanomaterial synthesis and device development have led to significant progress in pushing the limit of cytokine detection. This article reviews currently used methods for cytokines detection and new nanotechnology-based biosensors for ultrasensitive cytokine detection.
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Affiliation(s)
| | - Zareen Abbas
- Department of Chemistry and Molecular Biology, University of Gothenburg, Kemigården 4, SE-412 96 Gothenburg, Sweden
| | - Yon Rojanasakul
- Department of Pharmaceutical Sciences, West Virginia University, Morgantown, WV 26505, USA
- West Virginia University Cancer Institute, West Virginia University, Morgantown, WV 26505, USA
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Han H, Park J, Ahn JK. Immunoglobulin E Detection Method Based on Cascade Enzymatic Reaction Utilizing Portable Personal Glucose Meter. SENSORS (BASEL, SWITZERLAND) 2021; 21:6396. [PMID: 34640714 PMCID: PMC8513091 DOI: 10.3390/s21196396] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/17/2021] [Accepted: 09/23/2021] [Indexed: 01/01/2023]
Abstract
We herein describe a cascade enzymatic reaction (CER)-based IgE detection method utilizing a personal glucose meter (PGM), which relies on alkaline phosphatase (ALP) activity that regulates the amount of adenosine triphosphate (ATP). The amount of sandwich assay complex is determined according to the presence or absence of the target IgE. Additionally, the ALP in the sandwich assay catalyzes the dephosphorylation of ATP, a substrate of CER, which results in the changes in glucose level. By employing this principle, IgE was reliably detected at a concentration as low as ca. 29.6 ng/mL with high specificity toward various proteins. Importantly, the limit of detection (LOD) of this portable PGM-based approach was comparable to currently commercialized ELISA kit without expensive and bulky analysis equipment as well as complexed washing step. Finally, the diagnostic capability of this method was also successfully verified by reliably detecting IgE present in a real human serum sample with an excellent recovery ratio within 100 ± 6%.
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Affiliation(s)
- Hyogu Han
- Material & Component Convergence R&D Department, Korea Institute of Industrial Technology (KITECH), Ansan 15588, Korea; (H.H.); (J.P.)
- Department of Chemistry, Gangneung-Wonju National University, Gangneung 25457, Korea
| | - Junhyun Park
- Material & Component Convergence R&D Department, Korea Institute of Industrial Technology (KITECH), Ansan 15588, Korea; (H.H.); (J.P.)
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea
| | - Jun Ki Ahn
- Material & Component Convergence R&D Department, Korea Institute of Industrial Technology (KITECH), Ansan 15588, Korea; (H.H.); (J.P.)
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Weerasuriya DRK, Bhakta S, Hiniduma K, Dixit CK, Shen M, Tobin Z, He J, Suib SL, Rusling JF. Magnetic Nanoparticles with Surface Nanopockets for Highly Selective Antibody Isolation. ACS APPLIED BIO MATERIALS 2021; 4:6157-6166. [PMID: 35006880 DOI: 10.1021/acsabm.1c00502] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Monoclonal antibodies (mAbs) are key components of revolutionary disease immunotherapies and are also essential for medical diagnostics and imaging. The impact of cost is illustrated by a price >$200,000 per year per patient for mAb-based cancer therapy. Purification represents a major issue in the final cost of these immunotherapy drugs. Protein A (PrA) resins are widely used to purify antibodies, but resin cost, separation efficiency, reuse, and stability are major issues. This paper explores a synthesis strategy for low-cost, reusable, stable PrA-like nanopockets on core-shell silica-coated magnetic nanoparticles (NPs) for IgG antibody isolation. Mouse IgG2a, a strong PrA binder, was used as a template protein, first attaching it stem-down onto the NP surface. The stem-down orientation of IgG2a on the NP surface before polymerization is critical for designing the films to bind IgGs. Following this, 1-tetraethoxysilane and four organosilane monomers with functional groups capable of mimicking binding interactions of proteins with IgG antibody stems were reacted to form a thin polymer coating on the NPs. After blocking nonspecific binding sites, removal of the mouse IgG2a provided nanopockets on the core-shell NPs that showed binding characteristics for antibodies remarkably similar to PrA. Both smooth and rough core-shell NPs were used, with the latter providing much larger binding capacities for IgGs, with an excellent selectivity slightly better than that of commercial PrA magnetic beads. This paper is the first report of IgG-binding NPs that mimic PrA selectivity. These nanopocket NPs can be used for at least 15 regeneration cycles, and cost/use was 57-fold less than a high-quality commercial PrA resin.
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Affiliation(s)
- D Randil K Weerasuriya
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
| | - Snehasis Bhakta
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States.,Cooch Behar College, Cooch Behar Panchanan Barma University, Cooch Behar, West Bengal 736101, India
| | - Keshani Hiniduma
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
| | - Chandra K Dixit
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States.,Lumos Diagnostics, Sarasota, Florida 34240, United States
| | - Min Shen
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
| | - Zachary Tobin
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
| | - Junkai He
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
| | - Steven L Suib
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States.,Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269-3136, United States
| | - James F Rusling
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States.,Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269-3136, United States.,Department of Surgery and Neag Cancer Center, Uconn Health, Farmington, Connecticut 06030, United States.,School of Chemistry, National University of Ireland at Galway, Galway H91 TK33, Ireland
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27
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Qiu Y, Xing Z, Xiang Q, Yang Q, Zhu J, Su A. Insufficient evidence to support the clinical efficacy of selenium supplementation for patients with chronic autoimmune thyroiditis. Endocrine 2021; 73:384-397. [PMID: 33774780 DOI: 10.1007/s12020-021-02642-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 01/18/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND This study critically reappraises the documentation on the clinical efficacy of selenium supplementation in chronic autoimmune thyroiditis (AIT) with the goal of improving the normalization of the treatment of this disease. METHODS A literature search was performed in the Medline, Embase, and Cochrane Library databases. Twenty-three trials conducted in adults with AIT comparing the efficacy of selenium with or without levothyroxine (LT4) versus placebo and/or LT4 were eligible. The assessed outcomes were primarily pooled using a random- or fixed effects model based on the results of the heterogeneity test. The quality of evidence was assessed per outcome. RESULTS In LT4-treated populations, patients receiving selenium demonstrated lower thyroid peroxidase antibody (TPOAb) levels at 3 months (mean difference [MD], -236.88; 95% confidence interval [CI], -353.35 to -120.41; p < 0.0001), 6 months (MD, -407.17; 95% CI, -623.60 to -190.73; p = 0.0002), and 12 months (MD, -327.03; 95% CI, -613.78 to -40.28; p = 0.0254), while thyroglobulin antibody (TgAb) levels only decreased at 12 months. In non-LT4-treated population, the selenium group demonstrated significantly lower TPOAb levels after 3 months (MD, -203.07; 95% CI, -395.44 to -10.70; p = 0.0385) and 6 months (MD, -322.27; 95% CI, -597.50 to -47.04; p = 0.0217) but not after 12 months, while TgAb levels only decreased at 3 months. There was no significant change in thyroid stimulating hormone (TSH) levels. Lower thyroid echogenicity was observed in all patients receiving selenium at 3, 6, and 12 months. However, these participants had a significantly higher risk of reported adverse effects. CONCLUSIONS Current evidence does not justify the emerging use of selenium supplementation in the treatment of AIT, despite it resulting in a decrease in autoantibody levels.
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Affiliation(s)
- Yuxuan Qiu
- Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, China
- Center of Thyroid and Parathyroid Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Zhichao Xing
- Center of Thyroid and Parathyroid Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Qiao Xiang
- Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China
| | - Qianru Yang
- Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, China
| | - Jingqiang Zhu
- Center of Thyroid and Parathyroid Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Anping Su
- Center of Thyroid and Parathyroid Surgery, West China Hospital, Sichuan University, Chengdu, China.
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28
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Kim HM, Kim J, Bock S, An J, Choi YS, Pham XH, Cha MG, Seong B, Kim W, Kim YH, Song H, Kim JW, Park SM, Lee SH, Rho WY, Lee S, Jeong DH, Lee HY, Jun BH. Silver-Assembled Silica Nanoparticles in Lateral Flow Immunoassay for Visual Inspection of Prostate-Specific Antigen. SENSORS (BASEL, SWITZERLAND) 2021; 21:4099. [PMID: 34203603 PMCID: PMC8232291 DOI: 10.3390/s21124099] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/10/2021] [Accepted: 06/12/2021] [Indexed: 12/13/2022]
Abstract
Prostate-specific antigen (PSA) is the best-known biomarker for early diagnosis of prostate cancer. For prostate cancer in particular, the threshold level of PSA <4.0 ng/mL in clinical samples is an important indicator. Quick and easy visual detection of the PSA level greatly helps in early detection and treatment of prostate cancer and reducing mortality. In this study, we developed optimized silica-coated silver-assembled silica nanoparticles (SiO2@Ag@SiO2 NPs) that were applied to a visual lateral flow immunoassay (LFIA) platform for PSA detection. During synthesis, the ratio of silica NPs to silver nitrate changed, and as the synthesized NPs exhibited distinct UV spectra and colors, most optimized SiO2@Ag@SiO2 NPs showed the potential for early prostate cancer diagnosis. The PSA detection limit of our LFIA platform was 1.1 ng/mL. By applying each SiO2@Ag@SiO2 NP to the visual LFIA platform, optimized SiO2@Ag@SiO2 NPs were selected in the test strip, and clinical samples from prostate cancer patients were successfully detected as the boundaries of non-specific binding were clearly seen and the level of PSA was <4 ng/mL, thus providing an avenue for quick prostate cancer diagnosis and early treatment.
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Affiliation(s)
- Hyung-Mo Kim
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea; (H.-M.K.); (J.K.); (S.B.); (J.A.); (X.-H.P.); (B.S.); (W.K.); (Y.-H.K.)
| | - Jaehi Kim
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea; (H.-M.K.); (J.K.); (S.B.); (J.A.); (X.-H.P.); (B.S.); (W.K.); (Y.-H.K.)
| | - Sungje Bock
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea; (H.-M.K.); (J.K.); (S.B.); (J.A.); (X.-H.P.); (B.S.); (W.K.); (Y.-H.K.)
| | - Jaehyun An
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea; (H.-M.K.); (J.K.); (S.B.); (J.A.); (X.-H.P.); (B.S.); (W.K.); (Y.-H.K.)
| | - Yun-Sik Choi
- Department of Chemistry Education, Seoul National University, Seoul 05029, Korea; (Y.-S.C.); (M.G.C.); (D.H.J.)
| | - Xuan-Hung Pham
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea; (H.-M.K.); (J.K.); (S.B.); (J.A.); (X.-H.P.); (B.S.); (W.K.); (Y.-H.K.)
| | - Myeong Geun Cha
- Department of Chemistry Education, Seoul National University, Seoul 05029, Korea; (Y.-S.C.); (M.G.C.); (D.H.J.)
| | - Bomi Seong
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea; (H.-M.K.); (J.K.); (S.B.); (J.A.); (X.-H.P.); (B.S.); (W.K.); (Y.-H.K.)
| | - Wooyeon Kim
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea; (H.-M.K.); (J.K.); (S.B.); (J.A.); (X.-H.P.); (B.S.); (W.K.); (Y.-H.K.)
| | - Yoon-Hee Kim
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea; (H.-M.K.); (J.K.); (S.B.); (J.A.); (X.-H.P.); (B.S.); (W.K.); (Y.-H.K.)
| | - Hobeom Song
- BioSquare Inc., Seongnam 13620, Korea; (H.S.); (J.-W.K.)
| | - Jung-Won Kim
- BioSquare Inc., Seongnam 13620, Korea; (H.S.); (J.-W.K.)
| | - Seung-min Park
- Department of Radiology, Stanford University School of Medicine, Stanford, CA 94305, USA;
- Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Sang Hun Lee
- Department of Chemical and Biological Engineering, Hanbat National University, Daejeon 34158, Korea;
| | - Won-Yeop Rho
- School of International Engineering and Science, Jeonbuk National University, Jeonju 54896, Korea;
| | - Sangchul Lee
- Department of Urology, Seoul National University Bundang Hospital, Seongnam 13620, Korea;
| | - Dae Hong Jeong
- Department of Chemistry Education, Seoul National University, Seoul 05029, Korea; (Y.-S.C.); (M.G.C.); (D.H.J.)
| | - Ho-Young Lee
- Department of Nuclear Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Korea
| | - Bong-Hyun Jun
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea; (H.-M.K.); (J.K.); (S.B.); (J.A.); (X.-H.P.); (B.S.); (W.K.); (Y.-H.K.)
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Emet DC, Ozon A, Alikasifoglu A, Kandemir N, Gonc N. Alpha-Melanocyte-Stimulating Hormone is Elevated in Hypothalamic Obesity Associated with Childhood Craniopharyngioma. Obesity (Silver Spring) 2021; 29:402-408. [PMID: 33491320 DOI: 10.1002/oby.23087] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/24/2020] [Accepted: 11/05/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The purpose of this study was to investigate the peripheral concentrations of leptin and neuropeptides taking part in the melanocortin pathway in hypothalamic obesity (HO) associated with craniopharyngioma (CP) and to find a peripheral marker for diagnosis. METHODS Thirty-one patients (52% girls; median age 16 years) with CP were enrolled in the study group. They were grouped as CP with obesity (CPobesity , n = 17) and CP without obesity (CPnonobesity , n = 14). Two control groups without CP consisted of 27 children with obesity (OC) (55% girls; median age 13.8 years) and 25 children without obesity (normal control [NC]) (72% girls; median age 14.5 years). Obesity was defined as BMI percentile ≥ 95%. Fasting serum concentrations of leptin, brain-derived neurotrophic factor (BDNF), and alpha-melanocyte-stimulating hormone (α-MSH) were measured in the groups. RESULTS Leptin and BDNF concentrations were correlated with BMI SD score (SDS) in controls (OC + NC) and CP. However, there was no correlation between α-MSH and BMI-SDS in CP or control groups. After adjusting for age, sex, and BMI-SDS, α-MSH was found to be significantly higher in CPobesity than in other groups, whereas leptin and BDNF were comparable among the four groups. CONCLUSIONS Serum BDNF, just like leptin, increased with BMI, regardless of hypothalamic damage. On the contrary, α-MSH concentration was significantly high in HO, designating a potential biomarker for HO in CP.
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Affiliation(s)
- Dicle Canoruc Emet
- Department of Pediatric Endocrinology, Hacettepe University, Ankara, Turkey
| | - Alev Ozon
- Department of Pediatric Endocrinology, Hacettepe University, Ankara, Turkey
| | - Ayfer Alikasifoglu
- Department of Pediatric Endocrinology, Hacettepe University, Ankara, Turkey
| | - Nurgun Kandemir
- Department of Pediatric Endocrinology, Hacettepe University, Ankara, Turkey
| | - Nazlı Gonc
- Department of Pediatric Endocrinology, Hacettepe University, Ankara, Turkey
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30
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Hopelian NG, Simmons RG, Sanders JN, Ward K, Jenkins SM, Espey E, Turok DK. Comparison of levonorgestrel level and creamatocrit in milk following immediate versus delayed postpartum placement of the levonorgestrel IUD. BMC Womens Health 2021; 21:33. [PMID: 33478494 PMCID: PMC7818753 DOI: 10.1186/s12905-021-01179-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 01/13/2021] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Breastfeeding and postpartum contraception critically influence infant and maternal health outcomes. In this pilot study, we explore the effects of timing and duration of postpartum levonorgestrel exposure on milk lipid and levonorgestrel content to establish baseline data for future research. METHODS This sub-study recruited a balanced convenience sample from 259 participants enrolled in a parent randomized controlled trial comparing immediate to delayed (4-8 weeks) postpartum levonorgestrel IUD placement. All planned to breastfeed, self-selected for sub-study participation, and provided the first sample at 4-8 weeks postpartum (before IUD placement for the delayed group) and the second four weeks later. We used the Wilcoxon rank sum (inter-group) and signed rank (intra-group) tests to compare milk lipid content (creamatocrit) and levonorgestrel levels between groups and time points. RESULTS We recruited 15 participants from the immediate group and 17 from the delayed group with 10 and 12, respectively, providing both early and late samples. Initially, median levonorgestrel concentration of the immediate group (n = 10) (32.5 pg/mL, IQR: 24.8, 59.4) exceeded that of the delayed group (n = 12) (17.5 pg/mL, IQR: 0.0, 25.8) (p = 0.01). Four weeks later, the values aligned: 26.2 pg/mL (IQR: 20.3, 37.3) vs. 28.0 pg/mL (IQR: 25.2, 40.8). Creamatocrits were similar between both groups and timepoints. CONCLUSIONS Immediate postpartum levonorgestrel IUD placement results in steady, low levels of levonorgestrel in milk without apparent effects on lipid content. These findings provide initial support for the safety of immediate postpartum levonorgestrel IUD initiation, though the study was not powered to detect noninferiority between groups. TRIAL REGISTRATION This randomized controlled trial was registered with ClinicalTrials.gov (Registry No. NCT01990703) on November 21, 2013.
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Affiliation(s)
- Niaree G. Hopelian
- The University of Utah School of Medicine, 30 N 1900 E, 2B200, Salt Lake City, UT 84132 USA
- Present Address: Department of Psychiatry, Neuropsychiatric Institute, University of Illinois, Chicago, 912 S Wood St, Chicago, IL 60612 USA
| | - Rebecca G. Simmons
- Division of Family Planning, Department of Obstetrics and Gynecology, The University of Utah School of Medicine, 30 N 1900 E, 2B200, Salt Lake City, UT 84132 USA
| | - Jessica N. Sanders
- Division of Family Planning, Department of Obstetrics and Gynecology, The University of Utah School of Medicine, 30 N 1900 E, 2B200, Salt Lake City, UT 84132 USA
| | - Katherine Ward
- The University of Utah College of Nursing, 10 S 2000 E, Salt Lake City, UT 84112 USA
| | - Sabrina Malone Jenkins
- Division of Neonatology, Department of Pediatrics, The University of Utah School of Medicine, 295 Chipeta Way, Salt Lake City, UT 84108 USA
| | - Eve Espey
- Department of Obstetrics and Gynecology, The University of New Mexico School of Medicine, Albuquerque, NM 87131 USA
| | - David K. Turok
- Division of Family Planning, Department of Obstetrics and Gynecology, The University of Utah School of Medicine, 30 N 1900 E, 2B200, Salt Lake City, UT 84132 USA
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31
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Parkula V, Berto M, Diacci C, Patrahau B, Di Lauro M, Kovtun A, Liscio A, Sensi M, Samorì P, Greco P, Bortolotti CA, Biscarini F. Harnessing Selectivity and Sensitivity in Electronic Biosensing: A Novel Lab-on-Chip Multigate Organic Transistor. Anal Chem 2020; 92:9330-9337. [PMID: 32483968 PMCID: PMC8007075 DOI: 10.1021/acs.analchem.0c01655] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Electrolyte gated organic transistors can operate as powerful ultrasensitive biosensors, and efforts are currently devoted to devising strategies for reducing the contribution of hardly avoidable, nonspecific interactions to their response, to ultimately harness selectivity in the detection process. We report a novel lab-on-a-chip device integrating a multigate electrolyte gated organic field-effect transistor (EGOFET) with a 6.5 μL microfluidics set up capable to provide an assessment of both the response reproducibility, by enabling measurement in triplicate, and of the device selectivity through the presence of an internal reference electrode. As proof-of-concept, we demonstrate the efficient operation of our pentacene based EGOFET sensing platform through the quantification of tumor necrosis factor alpha with a detection limit as low as 3 pM. Sensing of inflammatory cytokines, which also include TNFα, is of the outmost importance for monitoring a large number of diseases. The multiplexable organic electronic lab-on-chip provides a statistically solid, reliable, and selective response on microliters sample volumes on the minutes time scale, thus matching the relevant key-performance indicators required in point-of-care diagnostics.
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Affiliation(s)
- Vitaliy Parkula
- Dipartimento di Scienze della Vita, Università degli Studi di Modena e Reggio Emilia, Via Campi 103, 41125 Modena, Italy.,Scriba Nanotecnologie S.r.l., Via di Corticella 1838, 40128 Bologna, Italy
| | - Marcello Berto
- Dipartimento di Scienze della Vita, Università degli Studi di Modena e Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Chiara Diacci
- Dipartimento di Scienze della Vita, Università degli Studi di Modena e Reggio Emilia, Via Campi 103, 41125 Modena, Italy.,Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, 601 74 Norrköping, Sweden
| | - Bianca Patrahau
- Dipartimento di Scienze della Vita, Università degli Studi di Modena e Reggio Emilia, Via Campi 103, 41125 Modena, Italy.,University of Strasbourg, CNRS, ISIS UMR 70068, Alleé Gaspard Monge, 67000 Strasbourg, France
| | - Michele Di Lauro
- Dipartimento di Scienze della Vita, Università degli Studi di Modena e Reggio Emilia, Via Campi 103, 41125 Modena, Italy.,Center for Translational Neurophysiology of Speech and Communication, Istituto Italiano di Tecnologia, Via Fossato di Mortara 17-19, 44121 Ferrara, Italy
| | - Alessandro Kovtun
- Istituto per la Sintesi Organica e la Fotoreattività, CNR, Via Piero Gobetti, 101, 40129 Bologna, Italy
| | - Andrea Liscio
- Istituto per la Microelettronica e Microsistemi, CNR, Via del Fosso del Cavaliere, 100, 00133 Roma, Italy
| | - Matteo Sensi
- Dipartimento di Scienze della Vita, Università degli Studi di Modena e Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Paolo Samorì
- University of Strasbourg, CNRS, ISIS UMR 70068, Alleé Gaspard Monge, 67000 Strasbourg, France
| | - Pierpaolo Greco
- Scriba Nanotecnologie S.r.l., Via di Corticella 1838, 40128 Bologna, Italy
| | - Carlo A Bortolotti
- Dipartimento di Scienze della Vita, Università degli Studi di Modena e Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Fabio Biscarini
- Dipartimento di Scienze della Vita, Università degli Studi di Modena e Reggio Emilia, Via Campi 103, 41125 Modena, Italy.,Center for Translational Neurophysiology of Speech and Communication, Istituto Italiano di Tecnologia, Via Fossato di Mortara 17-19, 44121 Ferrara, Italy
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32
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Rani S, Bandyopadhyay-Ghosh S, Ghosh SB, Liu G. Advances in Sensing Technologies for Monitoring of Bone Health. BIOSENSORS-BASEL 2020; 10:bios10040042. [PMID: 32326229 PMCID: PMC7235906 DOI: 10.3390/bios10040042] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 04/11/2020] [Accepted: 04/13/2020] [Indexed: 02/02/2023]
Abstract
: Changing lifestyle and food habits are responsible for health problems, especially those related to bone in an aging population. Poor bone health has now become a serious matter of concern for many of us. In order to avoid serious consequences, the early prediction of symptoms and diagnosis of bone diseases have become the need of the hour. From this inspiration, the evolution of different bone health monitoring techniques and measurement methods practiced by researchers and healthcare companies has been discussed. This paper focuses on various types of bone diseases along with the modeling and remodeling phenomena of bones. The evolution of various diagnosis tests for bone health monitoring has been also discussed. Various types of bone turnover markers, their assessment techniques, and recent developments for the monitoring of biochemical markers to diagnose the bone conditions are highlighted. Then, the paper focuses on the potential assessment of the recent sensing techniques (physical sensors and biosensors) that are currently available for bone health monitoring. Considering the importance of electrochemical biosensors in terms of high sensitivity and reliability, specific attention has been given to the recent development of electrochemical biosensors and significance in real-time monitoring of bone health.
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Affiliation(s)
- Seema Rani
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), School of Automobile, Mechanical and Mechatronics Engineering (SAMM), Manipal University Jaipur, Rajasthan 303007, India
| | - Sanchita Bandyopadhyay-Ghosh
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), School of Automobile, Mechanical and Mechatronics Engineering (SAMM), Manipal University Jaipur, Rajasthan 303007, India
- Correspondence:
| | - Subrata Bandhu Ghosh
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), School of Automobile, Mechanical and Mechatronics Engineering (SAMM), Manipal University Jaipur, Rajasthan 303007, India
| | - Guozhen Liu
- Graduate School of Biomedical Engineering, Faculty of Engineering, The University of New South Wales, Sydney NSW 2052, Australia
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33
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Frederiksen SD, Bekker‐Nielsen Dunbar M, Snoer AH, Deen M, Edvinsson L. Serotonin and Neuropeptides in Blood From Episodic and Chronic Migraine and Cluster Headache Patients in Case‐Control and Case‐Crossover Settings: A Systematic Review and Meta‐Analysis. Headache 2020; 60:1132-1164. [DOI: 10.1111/head.13802] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 02/27/2020] [Accepted: 03/17/2020] [Indexed: 01/22/2023]
Affiliation(s)
| | | | - Agneta H. Snoer
- Danish Headache Centre and Department of Neurology, Rigshospitalet Glostrup Faculty of Health and Medical Sciences University of Copenhagen Glostrup Denmark
| | - Marie Deen
- Danish Headache Centre and Department of Neurology, Rigshospitalet Glostrup Faculty of Health and Medical Sciences University of Copenhagen Glostrup Denmark
| | - Lars Edvinsson
- Department of Clinical Experimental Research Glostrup Research Institute Rigshospitalet Glostrup Glostrup Denmark
- Division of Experimental Vascular Research Department of Clinical Sciences Lund University Lund Sweden
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34
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Electrochemical Immunosensor for Human IgE Using Ferrocene Self-Assembled Monolayers Modified ITO Electrode. BIOSENSORS-BASEL 2020; 10:bios10040038. [PMID: 32295270 PMCID: PMC7235775 DOI: 10.3390/bios10040038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/10/2020] [Accepted: 04/12/2020] [Indexed: 11/17/2022]
Abstract
The immunoglobulin E (IgE) level in serum is an important factor in the examination of allergy. Ferrocene (Fc)-modified self-assembled monolayers (SAMs) were placed on an indium tin oxide (ITO) electrode as a sensing layer for the detection of human IgE. The Fc moiety in the SAMs facilitated the electron transfer through the organic SAMs layer and electrocatalytic signal amplification. The electrochemical measurement was accomplished after the sandwich type immobilization of the receptor antibody, target human IgE, and enzyme conjugated secondary antibody. The enzyme product, p-aminophenol, was quantitatively analyzed by redox cycling via Fc. In addition, the electrochemical impedance spectroscopy (EIS) was investigated for the detection of IgE. The limit of detection (LOD), limit of quantification (LOQ), and dynamic range of the electrochemical sensor were 3 IU/mL, 10 IU/mL, and from 10 IU/mL to 100 IU/mL, respectively.
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35
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Kaushal S, Nanda SS, Samal S, Yi DK. Strategies for the Development of Metallic‐Nanoparticle‐Based Label‐Free Biosensors and Their Biomedical Applications. Chembiochem 2019; 21:576-600. [DOI: 10.1002/cbic.201900566] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Sandeep Kaushal
- Department of ChemistryMyongji University Myong Ji Road 116 17058 Yongin Republic of Korea
| | - Sitansu Sekhar Nanda
- Department of ChemistryMyongji University Myong Ji Road 116 17058 Yongin Republic of Korea
| | - Shashadhar Samal
- Department of Materials Science and EngineeringGIST 123 Cheomdangwagi-ro Buk-gu 61005 Gwangju Republic of Korea
| | - Dong Kee Yi
- Department of ChemistryMyongji University Myong Ji Road 116 17058 Yongin Republic of Korea
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Boguszewska K, Szewczuk M, Urbaniak S, Karwowski BT. Review: immunoassays in DNA damage and instability detection. Cell Mol Life Sci 2019; 76:4689-4704. [PMID: 31342119 PMCID: PMC6858475 DOI: 10.1007/s00018-019-03239-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 06/30/2019] [Accepted: 07/18/2019] [Indexed: 02/03/2023]
Abstract
The review includes information on the current state of knowledge of immunometric methods with emphasis on the possibility of deoxyribonucleic acid (DNA) damage detection. Beginning with basic immunoassay enzyme-linked immunosorbent assay (ELISA), this review describes methods such as tyramide signal amplification (TSA), enhanced polymer one-step staining (EPOS), and time resolved amplified cryptate emission (TRACE) as improvements of ELISA's developed over time to obtain more accurate results. In the second part of the review, surface plasmon resonance (SPR) and quantum dots (QDs) are presented as the newest outlooks in the context of immunoanalysis of biological material and molecular studies. The aim of this review is to briefly present immunoassays with emphasis on DNA damage detection; therefore, the types of methods are listed and described, types of signal indicators, basic definitions such as antigen and antibody are given. Every method is considered with an exemplary application focusing on DNA studies, DNA damage and instability detection.
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Affiliation(s)
- Karolina Boguszewska
- DNA Damage Laboratory of Food Science Department, Faculty of Pharmacy, Medical University of Lodz, ul. Muszynskiego 1, 90-151, Lodz, Poland.
| | - Michał Szewczuk
- DNA Damage Laboratory of Food Science Department, Faculty of Pharmacy, Medical University of Lodz, ul. Muszynskiego 1, 90-151, Lodz, Poland
| | - Sandra Urbaniak
- DNA Damage Laboratory of Food Science Department, Faculty of Pharmacy, Medical University of Lodz, ul. Muszynskiego 1, 90-151, Lodz, Poland
| | - Bolesław T Karwowski
- DNA Damage Laboratory of Food Science Department, Faculty of Pharmacy, Medical University of Lodz, ul. Muszynskiego 1, 90-151, Lodz, Poland.
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Rincon AV, Ostner J, Heistermann M, Deschner T. Measuring urinary cortisol and testosterone levels in male Barbary macaques: A comparison of EIA and LC-MS. Gen Comp Endocrinol 2019; 281:117-125. [PMID: 31145893 DOI: 10.1016/j.ygcen.2019.05.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 04/04/2019] [Accepted: 05/26/2019] [Indexed: 01/03/2023]
Abstract
The development of methods to quantify hormones from non-invasively collected samples such as urine or feces has facilitated endocrinology research on wild-living animals. To ensure that hormone measurements are biologically meaningful, method validations are strongly recommended for each new species or sample matrix. Our aim was to validate three commonly used enzyme immunoassays (EIA), one for analysis of cortisol and two for analysis of testosterone, to assess adrenocortical and gonadal endocrine activity, respectively, from the urine of male Barbary macaques. We compared EIA and liquid chromatography-mass spectrometry (LC-MS) results to determine if the EIA measurements truly reflect levels of the target hormone and to determine if antibody cross-reactivities with other steroids were potentially confounding results. Furthermore, we conducted a biological validation of testosterone to ensure that both EIA and LC-MS were able to capture physiologically meaningful differences in hormone levels. We found that cortisol measured by EIA correlated strongly with cortisol measured by LC-MS in both adult and immature males, without the need for deconjugation of steroids in the urine. Both testosterone EIAs correlated strongly with LC-MS in adult males, but only if steroids in the urine were deconjugated by enzymatic hydrolysis prior to analysis. However, in immature males, EIA and LC-MS results did not correlate significantly. Further correlation analyses suggest this is likely due to cross-reactivity of the testosterone antibodies with other adrenal steroids such as cortisol, DHEA, and likely others, which are present at much higher concentrations relative to testosterone in immature males. Testosterone levels were significantly higher in adult compared to immature males as measured by LC-MS but not as measured by EIA. Taken together, our results suggest that the testosterone EIAs are suitable to assess gonadal activity in adult but not immature males, and only if a hydrolysis of the urine is conducted prior to analysis.
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Affiliation(s)
- Alan V Rincon
- Department of Behavioral Ecology, Johann-Friedrich-Blumenbach Institute for Zoology and Anthropology, University of Goettingen, Goettingen, Germany; Leibniz ScienceCampus Primate Cognition, Goettingen, Germany.
| | - Julia Ostner
- Department of Behavioral Ecology, Johann-Friedrich-Blumenbach Institute for Zoology and Anthropology, University of Goettingen, Goettingen, Germany; Leibniz ScienceCampus Primate Cognition, Goettingen, Germany; Research Group Social Evolution in Primates, German Primate Center, Leibniz Institute for Primate Research, Goettingen, Germany
| | - Michael Heistermann
- Endocrinology Laboratory, German Primate Center, Leibniz Institute for Primate Research, Goettingen, Germany
| | - Tobias Deschner
- Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
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McGee EU, Samuel E, Boronea B, Dillard N, Milby MN, Lewis SJ. Quinolone Allergy. PHARMACY 2019; 7:pharmacy7030097. [PMID: 31330937 PMCID: PMC6789783 DOI: 10.3390/pharmacy7030097] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 07/16/2019] [Accepted: 07/17/2019] [Indexed: 01/10/2023] Open
Abstract
Quinolones are the second most common antibiotic class associated with drug-induced allergic reactions, but data on quinolone allergy are scarce. This review article discusses the available evidence on quinolone allergy, including prevalence, risk factors, diagnosis, clinical manifestations, cross-reactivity, and management of allergic reactions. Although the incidence of quinolone allergy is still lower than beta-lactams, it has been increasingly reported in recent decades, most likely from its expanded use and the introduction of moxifloxacin. Thorough patient history remains essential in the evaluation of quinolone allergy. Many diagnostic tools have been investigated, but skin tests can yield false-positive results and in vitro tests have not been validated. The drug provocation test is considered the test of choice to confirm a quinolone allergy but is not without risk. Evidence regarding cross-reactivity among the quinolones is limited and conflicting. Quinolone allergy can be manifested either as an immediate or delayed reaction, but is not uniform across the class, with moxifloxacin posing the highest risk of anaphylaxis. Quinolone should be discontinued when an allergic reaction occurs and avoided in future scenarios, but desensitization may be warranted if no alternatives are available.
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Affiliation(s)
- Edoabasi U McGee
- School of Pharmacy, Philadelphia College of Osteopathic Medicine, Suwanee, GA 30024, USA
| | - Essie Samuel
- School of Pharmacy, Philadelphia College of Osteopathic Medicine, Suwanee, GA 30024, USA
| | - Bernadett Boronea
- School of Pharmacy, Philadelphia College of Osteopathic Medicine, Suwanee, GA 30024, USA
| | - Nakoasha Dillard
- School of Pharmacy, Philadelphia College of Osteopathic Medicine, Suwanee, GA 30024, USA
| | - Madison N Milby
- College of Pharmacy, University of Findlay, Findlay, OH 45840, USA
| | - Susan J Lewis
- Department of Pharmacy Practice, College of Pharmacy, University of Findlay, Findlay, OH 45840, USA.
- Mercy Health-St. Anne Hospital, Toledo, OH 43623, USA.
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Li N, Liu L, Xiang MH, Liu JW, Yu RQ, Jiang JH. Proximity-induced hybridization chain assembly with small-molecule linked DNA for single-step amplified detection of antibodies. Chem Commun (Camb) 2019; 55:4387-4390. [PMID: 30916085 DOI: 10.1039/c9cc01654f] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A novel and versatile platform for single-step amplified fluorescence detection of antibodies via specific proximity-induced hybridization chain assembly is developed.
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Affiliation(s)
- Na Li
- Institute of Chemical Biology and Nanomedicine, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China.
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Lee SY, Lim JC, Cho EH, Lee SK, Jung SH. Ultrasound-enhanced scintillation proximity assay for rapid diagnostics. Anal Biochem 2019; 570:51-55. [PMID: 30771337 DOI: 10.1016/j.ab.2019.02.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/11/2019] [Accepted: 02/12/2019] [Indexed: 11/15/2022]
Abstract
Scintillation proximity assay (SPA) is a type of radioimmunoassay (RIA). We apply ultrasound enhancement to the general SPA. All assay procedures, including the antibody coating and radiolabeled antigen binding are achieved by simply mixing then standing for 5 min in an ultrasound chamber. No additional incubation time is required. To further demonstrate the capability of the UE-SPA, a quantitative measurement of CD55 in various grades of colon tumors was assessed on human tissue slides. The results showed a significant correlation between CD55 expression and tumorigenesis. In conclusion, we confirmed that UE-SPA is a reliable, rapid and alternative to RIA.
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Affiliation(s)
- So-Young Lee
- Radioisotope Research Division, Korea Atomic Energy Research Institute (KAERI), Daejeon, 305-353, Republic of Korea.
| | - Jae-Cheong Lim
- Radioisotope Research Division, Korea Atomic Energy Research Institute (KAERI), Daejeon, 305-353, Republic of Korea
| | - Eun-Ha Cho
- Radioisotope Research Division, Korea Atomic Energy Research Institute (KAERI), Daejeon, 305-353, Republic of Korea
| | - Seung-Kon Lee
- Radioisotope Research Division, Korea Atomic Energy Research Institute (KAERI), Daejeon, 305-353, Republic of Korea
| | - Sung-Hee Jung
- Radioisotope Research Division, Korea Atomic Energy Research Institute (KAERI), Daejeon, 305-353, Republic of Korea
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Panneer Selvam A, Prasad S. Companion and Point-of-Care Sensor System for Rapid Multiplexed Detection of a Panel of Infectious Disease Markers. SLAS Technol 2018; 22:338-347. [PMID: 28520525 DOI: 10.1177/2211068217696779] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A nanochannel-based electrochemical biosensor has been demonstrated for rapid and multiplexed detection of a panel of three biomarkers associated with rapid detection of sepsis. The label-free biosensor detected procalcitonin (PCT), lipoteichoic acid (LTA), and lipopolysaccharide (LPS) from human whole blood. The biosensor comprises a nanoporous nylon membrane integrated onto a microelectrode sensor platform for nanoconfinement effects. Charge perturbations due to biomarker binding are recorded as impedance changes using electrochemical impedance spectroscopy. The measured impedance change is used to quantitatively determine the concentration of the three biomarkers using antibody receptors from the tested sample. We were successful in detecting and quantifying the three biomarkers from whole blood. The limit of detection was 0.1 ng/mL for PCT and 1 µg/mL for LPS and LTA. The sensor was able to demonstrate a dynamic range of detection from 01.1 ng/mL to 10 µg/mL for PCT and from 1 µg/mL to 1000 µg/mL for LPS and LTA biomarkers. This novel technology has promising preliminary results toward the design of sensors for rapid and sensitive detection of the three panel biomarkers in whole blood toward diagnosis and classification of sepsis.
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Affiliation(s)
- Anjan Panneer Selvam
- 1 Department of Bioengineering, University of Texas at Dallas, Richardson, TX, USA
| | - Shalini Prasad
- 1 Department of Bioengineering, University of Texas at Dallas, Richardson, TX, USA
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42
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Merieux Y, Schwab C, Saint-Cyr M, Rink G, Rhyner C, Schawaller M, Bugert P. Evaluation of Diagnostic Tests by Evanescence Biosensor Technology for Rapid Phenotyping of the Human Platelet Alloantigens 1a and 5b. Transfus Med Hemother 2018; 46:440-445. [PMID: 31933574 DOI: 10.1159/000493556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 09/07/2018] [Indexed: 11/19/2022] Open
Abstract
Background The human platelet alloantigens (HPA) HPA-1a and HPA-5b are located on glycoproteins on the platelet surface and are the most relevant to cause neonatal alloimmune thrombocytopenia (NAIT). The antigens are defined by single nucleotide polymorphisms (SNPs) in the glycoprotein genes, and the antigen status can be determined by genotyping the SNPs. However, genotyping is time-consuming and costly depending on the method and sample throughput. Here, we tested the reliability of the evanescence wave based fluorescence (EVA) biosensor technology for the rapid phenotyping of the HPA-1a and HPA-5b antigens on blood donor samples in two laboratories. Methods HPA-1a and HPA-5b phenotyping was performed on EDTA blood samples from 336 blood donors (Lyon: 216 donors; Mannheim: 120 donors) using EVA typing assays and the biosensor system (Davos Diagnostics, Davos, Switzerland). For genotyping, validated PCR-SSP and TaqMan-PCR methods were used. Results HPA-1a phenotyping was positive for all samples with HPA-1aa (n = 244; EVA value 807 ± 167 U/s) and HPA-1ab (n = 82; 542 ± 110 U/s) genotypes. All samples (n = 10) with negative EVA values (<10 U/s) had the HPA-1bb genotype. HPA-5b phenotyping was negative for all HPA-5aa genotypes (n = 267) and positive for the HPA-5ab (n = 66; 83 ± 22 U/s) and HPA-5bb (n = 3; 118 ± 25 U/s) genotypes. EVA values from heterozygotes were significantly lower compared to HPA-1a or HPA-5b homozygotes. A strong correlation of the EVA values with the platelet count in the blood samples was observed. Conclusion EVA is a reliable method for rapid phenotyping of the clinically relevant HPA-1a and HPA-5b platelet antigens. All phenotyping results were 100% concordant with the HPA-1 or HPA-5 genotype. The test can be performed from only 10 µl of fresh or frozen blood samples within less than 15 min time-to-result.
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Affiliation(s)
- Yves Merieux
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Lyon, France
| | - Celestine Schwab
- Institute of Transfusion Medicine and Immunology, Heidelberg University, Medical Faculty Mannheim, German Red Cross Blood Service Baden-Württemberg - Hessen, Mannheim, Germany
| | | | - Gabi Rink
- Institute of Transfusion Medicine and Immunology, Heidelberg University, Medical Faculty Mannheim, German Red Cross Blood Service Baden-Württemberg - Hessen, Mannheim, Germany
| | - Claudio Rhyner
- Davos Diagnostics, Davos, Switzerland.,Swiss Institute of Asthma and Allergy Research (SIAF), Davos, Switzerland
| | | | - Peter Bugert
- Institute of Transfusion Medicine and Immunology, Heidelberg University, Medical Faculty Mannheim, German Red Cross Blood Service Baden-Württemberg - Hessen, Mannheim, Germany
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43
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Olivieri B, Marić M, Bridge C. Determining the effects of adulterants on drug detection via enzyme-linked immunosorbent assay and adulterant tests strips. Drug Test Anal 2018; 10:1383-1393. [DOI: 10.1002/dta.2404] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 04/18/2018] [Accepted: 04/19/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Bianca Olivieri
- Department of Chemistry; University of Central Florida; Orlando Florida
| | - Mark Marić
- National Center for Forensic Science; University of Central Florida; Orlando Florida
| | - Candice Bridge
- Department of Chemistry; University of Central Florida; Orlando Florida
- National Center for Forensic Science; University of Central Florida; Orlando Florida
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44
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Development and validation of a high-performance liquid chromatography method for determination of lisinopril in human plasma by magnetic solid-phase extraction and pre-column derivatization. Biomed Chromatogr 2017; 32. [DOI: 10.1002/bmc.4120] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2017] [Revised: 10/02/2017] [Accepted: 10/09/2017] [Indexed: 12/19/2022]
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45
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Evanescence wave-based technology for the rapid and sensitive quantification of biological analytes. J Allergy Clin Immunol 2017; 141:817-820.e5. [PMID: 29074455 DOI: 10.1016/j.jaci.2017.08.037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 08/25/2017] [Accepted: 08/29/2017] [Indexed: 11/23/2022]
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46
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Saeed AFUH, Wang R, Ling S, Wang S. Antibody Engineering for Pursuing a Healthier Future. Front Microbiol 2017; 8:495. [PMID: 28400756 PMCID: PMC5368232 DOI: 10.3389/fmicb.2017.00495] [Citation(s) in RCA: 86] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 03/09/2017] [Indexed: 12/21/2022] Open
Abstract
Since the development of antibody-production techniques, a number of immunoglobulins have been developed on a large scale using conventional methods. Hybridoma technology opened a new horizon in the production of antibodies against target antigens of infectious pathogens, malignant diseases including autoimmune disorders, and numerous potent toxins. However, these clinical humanized or chimeric murine antibodies have several limitations and complexities. Therefore, to overcome these difficulties, recent advances in genetic engineering techniques and phage display technique have allowed the production of highly specific recombinant antibodies. These engineered antibodies have been constructed in the hunt for novel therapeutic drugs equipped with enhanced immunoprotective abilities, such as engaging immune effector functions, effective development of fusion proteins, efficient tumor and tissue penetration, and high-affinity antibodies directed against conserved targets. Advanced antibody engineering techniques have extensive applications in the fields of immunology, biotechnology, diagnostics, and therapeutic medicines. However, there is limited knowledge regarding dynamic antibody development approaches. Therefore, this review extends beyond our understanding of conventional polyclonal and monoclonal antibodies. Furthermore, recent advances in antibody engineering techniques together with antibody fragments, display technologies, immunomodulation, and broad applications of antibodies are discussed to enhance innovative antibody production in pursuit of a healthier future for humans.
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Affiliation(s)
- Abdullah F U H Saeed
- Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, and School of Life Sciences, Fujian Agriculture and Forestry University Fuzhou, China
| | - Rongzhi Wang
- Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, and School of Life Sciences, Fujian Agriculture and Forestry University Fuzhou, China
| | - Sumei Ling
- Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, and School of Life Sciences, Fujian Agriculture and Forestry University Fuzhou, China
| | - Shihua Wang
- Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, and School of Life Sciences, Fujian Agriculture and Forestry University Fuzhou, China
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47
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Panneer Selvam A, Prasad S. Companion and Point-of-Care Sensor System for Rapid Multiplexed Detection of a Panel of Infectious Disease Markers. SLAS Technol 2017. [DOI: 10.1177/2472630317696779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A nanochannel-based electrochemical biosensor has been demonstrated for rapid and multiplexed detection of a panel of three biomarkers associated with rapid detection of sepsis. The label-free biosensor detected procalcitonin (PCT), lipoteichoic acid (LTA), and lipopolysaccharide (LPS) from human whole blood. The biosensor comprises a nanoporous nylon membrane integrated onto a microelectrode sensor platform for nanoconfinement effects. Charge perturbations due to biomarker binding are recorded as impedance changes using electrochemical impedance spectroscopy. The measured impedance change is used to quantitatively determine the concentration of the three biomarkers using antibody receptors from the tested sample. We were successful in detecting and quantifying the three biomarkers from whole blood. The limit of detection was 0.1 ng/mL for PCT and 1 µg/mL for LPS and LTA. The sensor was able to demonstrate a dynamic range of detection from 01.1 ng/mL to 10 µg/mL for PCT and from 1 µg/mL to 1000 µg/mL for LPS and LTA biomarkers. This novel technology has promising preliminary results toward the design of sensors for rapid and sensitive detection of the three panel biomarkers in whole blood toward diagnosis and classification of sepsis.
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Affiliation(s)
- Anjan Panneer Selvam
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX, USA
| | - Shalini Prasad
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX, USA
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48
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Saraf N, Bosak A, Willenberg A, Das S, Willenberg BJ, Seal S. Colorimetric detection of epinephrine using an optimized paper-based aptasensor. RSC Adv 2017. [DOI: 10.1039/c7ra10272k] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Morphological modification of gold nanoparticles to obtain a highly efficient paper based sensor for colorimetric detection of epinephrine (LOD – Limit of Detection).
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Affiliation(s)
- Nileshi Saraf
- Advanced Materials Processing and Analysis Center
- Department of Materials Science and Engineering
- University of Central Florida
- Orlando
- USA
| | - Alexander Bosak
- Department of Internal Medicine
- College of Medicine
- University of Central Florida
- Orlando
- USA
| | - Alicia Willenberg
- Department of Internal Medicine
- College of Medicine
- University of Central Florida
- Orlando
- USA
| | - Soumen Das
- Advanced Materials Processing and Analysis Center
- Department of Materials Science and Engineering
- University of Central Florida
- Orlando
- USA
| | - Bradley Jay Willenberg
- Department of Internal Medicine
- College of Medicine
- University of Central Florida
- Orlando
- USA
| | - Sudipta Seal
- Advanced Materials Processing and Analysis Center
- Department of Materials Science and Engineering
- University of Central Florida
- Orlando
- USA
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49
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Barta P, Janousek J, Zilkova K, Trejtnar F. In vitroevaluation of concentration, labeling effectiveness and stability for131I-labeled radioimmunoassay ligand using real-time detection technology. J Labelled Comp Radiopharm 2016; 60:80-86. [DOI: 10.1002/jlcr.3478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 10/31/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Pavel Barta
- Department of Biophysics and Physical Chemistry, Faculty of Pharmacy; Charles University; Hradec Kralove Czech Republic
| | - Jiri Janousek
- Department of Pharmacology and Toxicology, Faculty of Pharmacy; Charles University; Hradec Kralove Czech Republic
| | - Katerina Zilkova
- Department of Nuclear Medicine; Faculty Hospital Hradec Kralove; Czech Republic
| | - Frantisek Trejtnar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy; Charles University; Hradec Kralove Czech Republic
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50
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Wichman J, Winther KH, Bonnema SJ, Hegedüs L. Selenium Supplementation Significantly Reduces Thyroid Autoantibody Levels in Patients with Chronic Autoimmune Thyroiditis: A Systematic Review and Meta-Analysis. Thyroid 2016; 26:1681-1692. [PMID: 27702392 DOI: 10.1089/thy.2016.0256] [Citation(s) in RCA: 111] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND Selenium supplementation may decrease circulating thyroid autoantibodies in patients with chronic autoimmune thyroiditis (AIT), but the available trials are heterogenous. This study expands and critically reappraises the knowledge on this topic. METHODS A literature search identified 3366 records. Controlled trials in adults (≥18 years of age) with AIT, comparing selenium with or without levothyroxine (LT4), versus placebo and/or LT4, were eligible. Assessed outcomes were serum thyroid peroxidase (TPOAb) and thyroglobulin (TgAb) autoantibody levels, and immunomodulatory effects. After screening and full-text assessment, 16 controlled trials were included in the systematic review. Random-effects meta-analyses in weighted mean difference (WMD) were performed for 3, 6, and 12 months of supplementation in two different populations: one receiving LT4 therapy and one newly diagnosed and LT4-untreated. Heterogeneity was estimated using I2, and quality of evidence was assessed per outcome, using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) guidelines. RESULTS In LT4-treated populations, the selenium group had significantly lower TPOAb levels after three months (seven studies: WMD = -271 [confidence interval (CI) -366 to -175]; p < 0.0001; I2 = 45.4%), which was consistent at six months (three studies) and 12 months (one study). TgAb decreased at 12 months, but not at three or six months. In LT4-untreated populations, the selenium group showed a decrease in TPOAb levels after three months (three studies: WMD = -512 [CI -626 to -398]; p < 0.0001, I2 = 0.0%), but not after 6 or 12 months. TgAb decreased at 3 months, but not at 6 or 12 months. Quality of evidence was generally assessed as low. Study participants receiving selenium had a significantly higher risk than controls of reporting adverse effects (p = 0.036). CONCLUSIONS Selenium supplementation reduced serum TPOAb levels after 3, 6, and 12 months in an LT4-treated AIT population, and after three months in an untreated AIT population. Whether these effects correlate with clinically relevant measures remains to be demonstrated.
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Affiliation(s)
- Johanna Wichman
- Department of Endocrinology and Metabolism, Odense University Hospital , Odense, Denmark
- Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark , Odense, Denmark
| | - Kristian Hillert Winther
- Department of Endocrinology and Metabolism, Odense University Hospital , Odense, Denmark
- Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark , Odense, Denmark
| | - Steen Joop Bonnema
- Department of Endocrinology and Metabolism, Odense University Hospital , Odense, Denmark
- Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark , Odense, Denmark
| | - Laszlo Hegedüs
- Department of Endocrinology and Metabolism, Odense University Hospital , Odense, Denmark
- Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark , Odense, Denmark
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