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Fathi-Karkan S, Sargazi S, Shojaei S, Farasati Far B, Mirinejad S, Cordani M, Khosravi A, Zarrabi A, Ghavami S. Biotin-functionalized nanoparticles: an overview of recent trends in cancer detection. NANOSCALE 2024; 16:12750-12792. [PMID: 38899396 DOI: 10.1039/d4nr00634h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Electrochemical bio-sensing is a potent and efficient method for converting various biological recognition events into voltage, current, and impedance electrical signals. Biochemical sensors are now a common part of medical applications, such as detecting blood glucose levels, detecting food pathogens, and detecting specific cancers. As an exciting feature, bio-affinity couples, such as proteins with aptamers, ligands, paired nucleotides, and antibodies with antigens, are commonly used as bio-sensitive elements in electrochemical biosensors. Biotin-avidin interactions have been utilized for various purposes in recent years, such as targeting drugs, diagnosing clinically, labeling immunologically, biotechnology, biomedical engineering, and separating or purifying biomolecular compounds. The interaction between biotin and avidin is widely regarded as one of the most robust and reliable noncovalent interactions due to its high bi-affinity and ability to remain selective and accurate under various reaction conditions and bio-molecular attachments. More recently, there have been numerous attempts to develop electrochemical sensors to sense circulating cancer cells and the measurement of intracellular levels of protein thiols, formaldehyde, vitamin-targeted polymers, huwentoxin-I, anti-human antibodies, and a variety of tumor markers (including alpha-fetoprotein, epidermal growth factor receptor, prostate-specific Ag, carcinoembryonic Ag, cancer antigen 125, cancer antigen 15-3, etc.). Still, the non-specific binding of biotin to endogenous biotin-binding proteins present in biological samples can result in false-positive signals and hinder the accurate detection of cancer biomarkers. This review summarizes various categories of biotin-functional nanoparticles designed to detect such biomarkers and highlights some challenges in using them as diagnostic tools.
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Affiliation(s)
- Sonia Fathi-Karkan
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, 94531-55166 Iran.
- Department of Advanced Sciences and Technologies in Medicine, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd 9414974877, Iran.
| | - Saman Sargazi
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan, Iran.
- Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran.
| | - Shirin Shojaei
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Bahareh Farasati Far
- Department of Chemistry, Iran University of Science and Technology, Tehran, Iran.
| | - Shekoufeh Mirinejad
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan, Iran.
| | - Marco Cordani
- Department of Biochemistry and Molecular Biology, Faculty of Biology, Complutense University, 28040 Madrid, Spain
- Instituto de Investigaciones Sanitarias San Carlos (IdISSC), 28040 Madrid, Spain
| | - Arezoo Khosravi
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, Istanbul Okan University, Istanbul 34959, Turkiye.
| | - Ali Zarrabi
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Istanbul 34396, Turkiye.
- Department of Research Analytics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai - 600 077, India
- Graduate School of Biotechnology and Bioengineering, Yuan Ze University, Taoyuan 320315, Taiwan
| | - Saeid Ghavami
- Department of Human Anatomy and Cell Science, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
- Faculty of Medicine in Zabrze, University of Technology in Katowice, 41-800 Zabrze, Poland
- Research Institute of Oncology and Hematology, Cancer Care Manitoba, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
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Rose L, Novice M, Kobayashi S, Minta A, Novice T, Sicco KL, Dulmage B. Characterization of the role of Facebook groups for patients who use scalp cooling therapy: a survey study. Support Care Cancer 2024; 32:351. [PMID: 38748328 PMCID: PMC11096238 DOI: 10.1007/s00520-024-08534-y] [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: 11/14/2023] [Accepted: 04/29/2024] [Indexed: 05/18/2024]
Abstract
Since the emergence of scalp cooling therapy (SCT) for the prevention of chemotherapy-induced alopecia (CIA), support groups on social media platforms for interested patients have surfaced. Though there are over 20,000 active members across SCT Facebook groups, little is known about how members use this platform. A 23-question survey was posted in five scalp cooling Facebook groups, reaching 219 women. Results indicated that these Facebook groups play clear roles in providing the following: (1) a supportive community for patients, (2) instructions for SCT use, (3) advice regarding insurance coverage and reimbursement, and (4) recommendations for over-the-counter products for hair loss. Despite reported interest in hair loss products, only 5% of patients sought medical treatment from dermatologists. Due to group-specific access restrictions, private Facebook groups provide patients with a protected platform to learn more about SCT from both those with personal experience and SCT company specialists. Providers may consider recommending these online groups to interested patients during the scalp cooling counseling process. As patients with CIA express a growing interest in over-the-counter hair, eyebrow, and eyelash products, it is important for dermatologists to be aware of where their patients obtain recommendations, and further, if these recommendations have clinical evidence of efficacy.
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Affiliation(s)
- Lucy Rose
- The Ohio State University College of Medicine, Columbus, OH, USA.
| | - Madison Novice
- The University of Michigan Medical School, Ann Arbor, MI, USA
| | - Sonja Kobayashi
- The Ohio State University College of Medicine, Columbus, OH, USA
| | - Abena Minta
- The Ohio State University College of Medicine, Columbus, OH, USA
| | - Taylor Novice
- Department of Dermatology, Henry Ford Health System, Detroit, MI, USA
| | - Kristen Lo Sicco
- Department of Dermatology, NYU Grossman School of Medicine, The Ronald O. Perelman, New York City, NY, USA
| | - Brittany Dulmage
- Department of Dermatology, The Ohio State University Wexner Medical Center, Columbus, OH, USA
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Mouliou DS. John Cunningham Virus and Progressive Multifocal Leukoencephalopathy: A Falsely Played Diagnosis. Diseases 2024; 12:100. [PMID: 38785755 PMCID: PMC11120163 DOI: 10.3390/diseases12050100] [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: 03/21/2024] [Revised: 05/09/2024] [Accepted: 05/09/2024] [Indexed: 05/25/2024] Open
Abstract
Progressive Multifocal Leukoencephalopathy (PML) is a possibly fatal demyelinating disease and John Cunningham Polyomavirus (JCPyV) is believed to cause this condition. The so-called JCPyV was initially reported in lymphoma and Human Immunodeficiency Virus (HIV) cases, whereas nowadays, its incidence is increasing in Multiple Sclerosis (MS) cases treated with natalizumab (Tysabri). However, there are conflicting literature data on its pathology and diagnosis, whereas some misdiagnosed reports exist, giving rise to further questions towards the topic. In reality, the so-called PML and the supposed JCPyV are not what they seem to be. In addition, novel and more frequent PML-like conditions may be reported, especially after the Coronavirus Disease 2019 (COVID-19) pandemic.
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Elston DM. Letter from the editor: First do no harm-biotin for hair and nails. J Am Acad Dermatol 2024:S0190-9622(24)00576-0. [PMID: 38583666 DOI: 10.1016/j.jaad.2024.04.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Accepted: 04/04/2024] [Indexed: 04/09/2024]
Affiliation(s)
- Dirk M Elston
- Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, South Carolina.
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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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Balieiro Neto G, Engracia Filho JR, Budino FEL, Freitas AWDP, Soares WVB. Effects of High-Biotin Sample Interference on Antibody Concentrations in Sandwich Immunoassays. Vaccines (Basel) 2023; 11:1627. [PMID: 38005959 PMCID: PMC10674817 DOI: 10.3390/vaccines11111627] [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: 08/04/2023] [Revised: 09/24/2023] [Accepted: 09/26/2023] [Indexed: 11/26/2023] Open
Abstract
The use of antimicrobial growth promoters (AGPs) is banned because of problems associated with drug residues in animal products and increased bacterial resistance. The immunization of chickens with specific antigens is a promising strategy for generating specific antibodies that can target a wide range of antibiotic-resistant bacteria and can be used as an alternative to antibiotics. Immunoglobulin Y (IgY) antibodies in a polyclonal antibody (pAb) format, when administered orally, modulate the ruminal microbiome and maintain animal health and performance; however, there are concerns pertaining to protein impurities and biotin concentrations in the samples. Signal amplification strategies involving the noncovalent interaction of biotin with streptavidin is extensively used in diagnosis and scientific research, particularly in enzyme-linked immunosorbent assays (ELISAs). However, the high concentrations of biotin in samples, especially in those derived from rich sources such as egg yolk, can pose challenges and potentially harm the accuracy of diagnostic tests and protein concentration measurements. This study aimed to evaluate the influence of biotin on the measurement of IgY in freeze-dried egg yolk samples obtained from immunized laying hens using immunoassays with biotin-avidin/streptavidin. The detection of IgY in yolk samples using ELISA with streptavidin-biotin binding could lead to misdiagnosis due to biotin interference; the level of interference varies with the specific assay conditions and the concentration of biotin in the yolk samples. An ELISA without streptavidin-biotin binding is advisable to avoid interactions between biotin and target proteins, prevent biotin interference with the results, and achieve more reliable and accurate results.
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Affiliation(s)
- Geraldo Balieiro Neto
- Animal Science Institute, Sao Paulo Agency for Agribusiness Technology–APTA, Department of Agriculture and Food Supply, Ribeirao Preto 14030-670, SP, Brazil; (F.E.L.B.); (A.W.d.P.F.); (W.V.B.S.)
| | - Jair Rodini Engracia Filho
- Graduate Program of Animal Science, School of Life Sciences, Pontificia Universidade Catolica do Parana, Curitiba 80215-901, PR, Brazil;
| | - Fabio Enrique Lemos Budino
- Animal Science Institute, Sao Paulo Agency for Agribusiness Technology–APTA, Department of Agriculture and Food Supply, Ribeirao Preto 14030-670, SP, Brazil; (F.E.L.B.); (A.W.d.P.F.); (W.V.B.S.)
| | - Acyr Wanderley de Paula Freitas
- Animal Science Institute, Sao Paulo Agency for Agribusiness Technology–APTA, Department of Agriculture and Food Supply, Ribeirao Preto 14030-670, SP, Brazil; (F.E.L.B.); (A.W.d.P.F.); (W.V.B.S.)
| | - Weber Vilas Boas Soares
- Animal Science Institute, Sao Paulo Agency for Agribusiness Technology–APTA, Department of Agriculture and Food Supply, Ribeirao Preto 14030-670, SP, Brazil; (F.E.L.B.); (A.W.d.P.F.); (W.V.B.S.)
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Oliveira RJD. Coordinate-Dependent Drift-Diffusion Reveals the Kinetic Intermediate Traps of Top7-Based Proteins. J Phys Chem B 2022; 126:10854-10869. [PMID: 36519977 DOI: 10.1021/acs.jpcb.2c07031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The computer-designed Top7 served as a scaffold to produce immunoreactive proteins by grafting of the 2F5 HIV-1 antibody epitope (Top7-2F5) followed by biotinylation (Top7-2F5-biotin). The resulting nonimmunoglobulin affinity proteins were effective in inducing and detecting the HIV-1 antibody. However, the grafted Top7-2F5 design led to protein aggregation, as opposed to the soluble biotinylated Top7-2F5-biotin. The structure-based model predicted that the thermodynamic cooperativity of Top7 increases after grafting and biotin-labeling, reducing their intermediate state populations. In this work, the folding kinetic traps that might contribute to the aggregation propensity are investigated by the diffusion theory. Since the engineered proteins have similar sequence and structural homology, they served as protein models to study the kinetic intermediate traps that were uncovered by characterizing the position-dependent drift-velocity (v(Q)) and the diffusion (D(Q)) coefficients. These coordinate-dependent coefficients were taken into account to obtain the folding and transition path times over the free energy transition states containing the intermediate kinetic traps. This analysis may be useful to predict the aggregated kinetic traps of scaffold-epitope proteins that might compose novel diagnostic and therapeutic platforms.
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Affiliation(s)
- Ronaldo Junio de Oliveira
- Laboratório de Biofísica Teórica, Departamento de Física, Instituto de Ciências Exatas, Naturais e Educação, Universidade Federal do Triângulo Mineiro, Uberaba, MG38064-200, Brazil
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Kabiri P, Weiskirchen R, van Helden J. The biotin interference within interference suppressed immunoassays. J Clin Lab Anal 2021; 35:e23940. [PMID: 34346119 PMCID: PMC8418509 DOI: 10.1002/jcla.23940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/23/2021] [Accepted: 07/26/2021] [Indexed: 12/17/2022] Open
Abstract
Background Reports of false laboratory findings due to a biotin supplementation have raised concerns about the safety of immunoassays. According to current research, biotin is known to cause interference in immunoassays. Since up to 70% of medical decisions are based on laboratory results and the significantly increased intake of biotin supplements in the recent years, the reliability of immunoassays is essential. Methods To evaluate this reliability two experiments were conducted. In the first experiment 59 interference suppressed immunoassays of the manufacturer Roche Diagnostics were examined regarding their sensitivity to a biotin interference. In the second experiment the pharmacokinetic of biotin was examined by supplementing volunteers with biotin. Results A combination of the results of both experiments suggests that a biotin interference in laboratory findings is probable. Contrary to the current state of research on sandwich immunoassays, falsely elevated test results occur more frequently than falsely low results. Conclusion The interference suppressed immunoassays have shown in the experiment that they are susceptible to a biotin interference. Therefore, laboratory institutions, medical staff and patients must be aware of the possibility of a biotin interference. As a result, Roche Diagnostics may consider reviewing the interference suppression and their indications of the tests.
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Affiliation(s)
- Payam Kabiri
- Institute for Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), University Hospital RWTH, Aachen, Germany
| | - Ralf Weiskirchen
- Institute for Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), University Hospital RWTH, Aachen, Germany
| | - Josef van Helden
- Institute for Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), University Hospital RWTH, Aachen, Germany.,Laboratory Dr. Stein and Colleagues, Mönchengladbach, Germany
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