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Hardaker N, King D, Hume PA, Stewart T, Sims S, Basu I, Shilton B, Selfe J. Female RNA concussion (FeRNAC) study: assessing hormone profiles and salivary RNA in females with concussion by emergency departments in New Zealand: a study protocol. BMC Neurol 2024; 24:149. [PMID: 38698312 PMCID: PMC11064333 DOI: 10.1186/s12883-024-03653-9] [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: 02/25/2024] [Accepted: 04/26/2024] [Indexed: 05/05/2024] Open
Abstract
BACKGROUND Females of reproductive age with concussion report a greater number of symptoms that can be more severe and continue for longer than age matched males. Underlying mechanisms for sex differences are not well understood. Short non-coding Ribonucleic Acids (sncRNAs) are candidate salivary biomarkers for concussion and have been studied primarily in male athletes. Female sex hormones influence expression of these biomarkers, and it remains unclear whether a similar pattern of sncRNA expression would be observed in females following concussion. This study aims to evaluate recovery time, the ratio of salivary sncRNAs and symptom severity across different hormone profiles in females presenting to emergency departments (ED) with concussion and, to investigate the presence of low energy availability (LEA) as a potential modifier of concussion symptoms. METHODS This prospective cohort study recruits participants from New Zealand EDs who are biologically female, of reproductive age (16-50 years) and with a confirmed diagnosis of concussion from an ED healthcare professional. Participants are excluded by ED healthcare professionals from study recruitment as part of initial routine assessment if they have a pre-diagnosed psychiatric condition, neurological condition (i.e., epilepsy, cerebral palsy) or more than three previously diagnosed concussions. Participants provide a saliva sample for measurement of sncRNA's, and online survey responses relating to hormone profile and symptom recovery at 7-day intervals after injury until they report a full return to work/study. The study is being performed in accordance with ethical standards of the Declaration of Helsinki with ethics approval obtained from the Health and Disability Ethics Committee (HDEC #2021 EXP 11655), Auckland University of Technology Ethics Committee (AUTEC #22/110) and locality consent through Wellington hospital research office. DISCUSSION If saliva samples confirm presence of sncRNAs in females with concussion, it will provide evidence of the potential of saliva sampling as an objective tool to aid in diagnosis of, and confirmation of recovery from, concussion. Findings will determine whether expression of sncRNAs is influenced by steroid hormones in females and may outline the need for sex specific application and interpretation of sncRNAs as a clinical and/or research tool. TRIAL REGISTRATION Australian New Zealand Clinical Trials Registry (ANZCTR) registration number ACTRN12623001129673.
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Affiliation(s)
- Natalie Hardaker
- Faculty of Health and Environmental Science, Sports Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, New Zealand Wellington, New Zealand.
- Accident Compensation Corporation, Wellington, New Zealand.
- Traumatic Brain Injury Network (TBIN), Auckland University of Technology, Auckland, New Zealand.
| | - Doug King
- Faculty of Health and Environmental Science, Sports Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, New Zealand Wellington, New Zealand
- Traumatic Brain Injury Network (TBIN), Auckland University of Technology, Auckland, New Zealand
- Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand
- Department of Sport and Exercise Sciences, Wolfson Research Institute for Health and Wellbeing, Durham University, Durham, UK
| | - Patria A Hume
- Faculty of Health and Environmental Science, Sports Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, New Zealand Wellington, New Zealand
- Traumatic Brain Injury Network (TBIN), Auckland University of Technology, Auckland, New Zealand
- Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand
- Technology and Policy Lab - Law School, The University of Western Australia, Perth, Australia
| | - Tom Stewart
- Faculty of Health and Environmental Science, Sports Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, New Zealand Wellington, New Zealand
| | - Stacy Sims
- Faculty of Health and Environmental Science, Sports Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, New Zealand Wellington, New Zealand
- Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand
- Stanford Lifestyle Medicine, Stanford University, Palo Alto, CA, USA
| | | | | | - James Selfe
- Department of Health Professions, Faculty of Health and Education, Manchester Metropolitan University, Manchester, UK
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2
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Zhang Z, Liu T, Dong M, Ahamed MA, Guan W. Sample-to-answer salivary miRNA testing: New frontiers in point-of-care diagnostic technologies. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2024; 16:e1969. [PMID: 38783564 PMCID: PMC11141732 DOI: 10.1002/wnan.1969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/10/2024] [Accepted: 05/02/2024] [Indexed: 05/25/2024]
Abstract
MicroRNA (miRNA), crucial non-coding RNAs, have emerged as key biomarkers in molecular diagnostics, prognosis, and personalized medicine due to their significant role in gene expression regulation. Salivary miRNA, in particular, stands out for its non-invasive collection method and ease of accessibility, offering promising avenues for the development of point-of-care diagnostics for a spectrum of diseases, including cancer, neurodegenerative disorders, and infectious diseases. Such development promises rapid and precise diagnosis, enabling timely treatment. Despite significant advancements in salivary miRNA-based testing, challenges persist in the quantification, multiplexing, sensitivity, and specificity, particularly for miRNA at low concentrations in complex biological mixtures. This work delves into these challenges, focusing on the development and application of salivary miRNA tests for point-of-care use. We explore the biogenesis of salivary miRNA and analyze their quantitative expression and their disease relevance in cancer, infection, and neurodegenerative disorders. We also examined recent progress in miRNA extraction, amplification, and multiplexed detection methods. This study offers a comprehensive view of the development of salivary miRNA-based point-of-care testing (POCT). Its successful advancement could revolutionize the early detection, monitoring, and management of various conditions, enhancing healthcare outcomes. This article is categorized under: Diagnostic Tools > Biosensing Diagnostic Tools > Diagnostic Nanodevices.
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Affiliation(s)
- Zhikun Zhang
- Department of Electrical Engineering, Pennsylvania State University, University Park 16802, USA
- Department of Biomedical Engineering, Pennsylvania State University, University Park 16802, USA
| | - Tianyi Liu
- Department of Electrical Engineering, Pennsylvania State University, University Park 16802, USA
| | - Ming Dong
- Department of Electrical Engineering, Pennsylvania State University, University Park 16802, USA
| | - Md. Ahasan Ahamed
- Department of Electrical Engineering, Pennsylvania State University, University Park 16802, USA
| | - Weihua Guan
- Department of Electrical Engineering, Pennsylvania State University, University Park 16802, USA
- Department of Biomedical Engineering, Pennsylvania State University, University Park 16802, USA
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3
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Feinberg C, Mayes KD, Portman E, Carr C, Mannix R. Non-invasive fluid biomarkers in the diagnosis of mild traumatic brain injury (mTBI): a systematic review. J Neurol Neurosurg Psychiatry 2024; 95:184-192. [PMID: 37147117 DOI: 10.1136/jnnp-2023-331220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/10/2023] [Indexed: 05/07/2023]
Abstract
BACKGROUND Despite approximately 55.9 million annual mild traumatic brain injuries (mTBIs) worldwide, the accurate diagnosis of mTBI continues to challenge clinicians due to symptom ambiguity, reliance on subjective report and presentation variability. Non-invasive fluid biomarkers of mTBI offer a biological measure to diagnose and monitor mTBI without the need for blood draws or neuroimaging. The objective of this study is to systematically review the utility of such biomarkers to diagnose mTBI and predict disease progression. METHODS A systematic review performed in PubMed, Scopus, Cochrane and Web of Science followed by a manual search of references without a specified timeframe. Search strings were generated and run (27 June 2022) by a research librarian. Studies were included if they: (1) included human mTBI subjects, (2) assessed utility of a non-invasive biomarker and (3) published in English. Exclusion criteria were (1) non-mTBI subjects, (2) mTBI not assessed separately from moderate/severe TBI, (3) required intracranial haemorrhage or (4) solely assesses genetic susceptibility to mTBI. RESULTS A total of 29 studies from 27 subject populations (1268 mTBI subjects) passed the inclusion and exclusion criteria. Twelve biomarkers were studied. Salivary RNAs, including microRNA, were assessed in 11 studies. Cortisol and melatonin were assessed in four and three studies, respectively. Eight salivary and two urinary biomarkers contained diagnostic or disease monitoring capability. DISCUSSION This systematic review identified several salivary and urinary biomarkers that demonstrate the potential to be used as a diagnostic, prognostic and monitoring tool for mTBI. Further research should examine miRNA-based models for diagnostic and predictive utility in patients with mTBI. PROSPERO REGISTRATION NUMBER CRD42022329293.
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Affiliation(s)
- Charles Feinberg
- University of Massachusetts Chan Medical School TH Chan School of Medicine, Worcester, Massachusetts, USA
| | | | - Ellie Portman
- Department of Emergency Medicine, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Catherine Carr
- University of Massachusetts Chan Medical School TH Chan School of Medicine, Worcester, Massachusetts, USA
| | - Rebekah Mannix
- Department of Emergency Medicine, Boston Children's Hospital, Boston, Massachusetts, USA
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4
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Mavroudis I, Petridis F, Balmus IM, Ciobica A, Gorgan DL, Luca AC. Review on the Role of Salivary Biomarkers in the Diagnosis of Mild Traumatic Brain Injury and Post-Concussion Syndrome. Diagnostics (Basel) 2023; 13:diagnostics13081367. [PMID: 37189468 DOI: 10.3390/diagnostics13081367] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/27/2023] [Accepted: 04/05/2023] [Indexed: 05/17/2023] Open
Abstract
(1) Background: While mild traumatic brain injuries (TBIs) are a major public health issue, post-concussion syndrome (PCS) remains a controversial entity. In both cases, the clinical diagnosis is mainly based on the symptoms and brain imaging evaluation. The current molecular biomarkers were described from blood and cerebrospinal fluid (CSF), yet both fluid collection methods are invasive. Saliva could be preferred in molecular diagnosis due to its non-invasive and non-expensive methods of acquisition, transport, and samples processing. (2) Objectives: In the present study, we aimed to review the latest developments in salivary biomarkers and their potential role in diagnosing mild TBIs, and PCS. (3) Results: In TBIs and PCS, a few novel studies focusing on salivary biomarkers have emphasized their importance in diagnosis. The previous studies mainly focused on micro RNAs, and only a few on extracellular vesicles, neurofilament light chain, and S100B. (4) Conclusions: The combination between salivary biomarkers, clinical history and examination, self-reported symptoms, and cognitive/balance testing can provide a non-invasive alternative diagnostic methodology, as compared to the currently approved plasma and cerebrospinal fluid biomarkers.
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Affiliation(s)
- Ioannis Mavroudis
- Department of Neurology, Leeds Teaching Hospitals NHS Trust, Leeds LS9 7TF, UK
- Faculty of Medicine, Leeds University, Leeds LS2 9JT, UK
| | - Foivos Petridis
- Third Department of Neurology, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Ioana-Miruna Balmus
- Department of Exact Sciences and Natural Sciences, Institute of Interdisciplinary Research, Alexandru Ioan Cuza University of Iasi, Alexandru Lapusneanu Street, No. 26, 700057 Iasi, Romania
| | - Alin Ciobica
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, B dul Carol I, No. 11, 700506 Iasi, Romania
| | - Dragos Lucian Gorgan
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, B dul Carol I, No. 11, 700506 Iasi, Romania
| | - Alina Costina Luca
- Department of Mother and Child, Medicine-Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16, Universitatii Street, 700115 Iasi, Romania
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5
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Campbell TR, Reilly N, Zamponi M, Leathers D, Mollica PA, Cavallario J, Martinez JC. Salivary microRNA as a prospective tool for concussion diagnosis and management: A scoping review. Brain Inj 2023; 37:588-595. [PMID: 36867013 DOI: 10.1080/02699052.2023.2184867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
BACKGROUND Despite increased efforts directed toward research, concussions are a growing concern and can be a complex injury for healthcare professionals to manage. Current practices are largely dependent on patients self-reporting symptoms and a clinical assessment, which uses objective tools that lack effectiveness. With the demonstrated effects of concussions, it is imperative that a more valid or reliable objective tool, like a clinical biomarker, be identified to improve outcomes. One potential biomarker that has shown promise is salivary microRNA. However, there is no objective consensus as to which microRNA offers the most clinical value regarding concussions, hence this review. Therefore, the purpose of this scoping review was to identify salivary miRNAs associated with concussions. METHODS Two independent reviewers performed a literature search to identify research articles. Studies using human subjects, collected salivary miRNA, and were published in English were included. Data of interest were salivary miRNA, collection timing, and relation to concussion diagnosis or management. RESULTS This paper reviews nine studies that analyzed salivary miRNA for concussion diagnosis and management. CONCLUSIONS In total, the studies have identified 49 salivary miRNA that show promise in assisting with concussion practices. With continued research, the use of salivary miRNA may enhance clinicians' abilities to diagnose and manage concussions.
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Affiliation(s)
- Thomas R Campbell
- College of Health Sciences, Old Dominion University, Norfolk, Virginia, USA
| | - Nicholas Reilly
- The Geneva Foundation, Womack Army Medical Center, Fort Bragg, North Carolina, USA
| | - Martina Zamponi
- College of Health Sciences, Old Dominion University, Norfolk, Virginia, USA
| | - Delaney Leathers
- College of Health Sciences, Old Dominion University, Norfolk, Virginia, USA
| | - Peter A Mollica
- College of Health Sciences, Old Dominion University, Norfolk, Virginia, USA
| | - Julie Cavallario
- College of Health Sciences, Old Dominion University, Norfolk, Virginia, USA
| | - Jessica C Martinez
- College of Health Sciences, Old Dominion University, Norfolk, Virginia, USA
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6
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Jhaveri PB, Lambert KA, Bogale K, Lehman E, Alexander C, Ishmael F, Jhaveri PN, Hicks SD. Salivary microRNAs in pediatric eosinophilic esophagitis. Allergy Asthma Proc 2023; 44:145-152. [PMID: 36872450 DOI: 10.2500/aap.2023.44.220102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
Background: Diagnosis and management of eosinophilic esophagitis (EoE) occur via esophagogastroduodenoscopy with tissue biopsy. Objective: We sought to determine if salivary microribonucleic acid (miRNA) levels could differentiate children with EoE, serving as a noninvasive biomarker. Methods: Saliva was collected from children undergoing esophagogastroduodenoscopy (N = 291). miRNA analysis was conducted on 150 samples: EoE (n = 50), no pathologic alteration (n = 100). RNA was quantified with high throughput sequencing and aligned to build hg38 of the human genome using sequencing and alignment software. Quantile normalized levels of robustly expressed miRNAs (raw counts > 10 in 10% of samples) were compared across EoE and non-EoE groups with Wilcoxon rank sum testing. miRNA biomarker candidates were selected based on variable importance projection (VIP) scoring with partial least squared discriminant analysis (VIP > 1.5). Ability of these miRNAs to differentiate EoE status was assessed via logistic regression. Putative biologic targets for the miRNA candidates were determined in miRNA pathway analysis software. Results: Of the 56 salivary miRNAs reliably detected, miR-205-5p displayed the largest difference between EoE and non-EoE groups (V = 1623, adjusted p = 0.029). Six miRNAs (miR-26b-5p, miR-27b-3p, Let-7i-5p, miR-142-5p, miR-30a-5p, miR-205-5p) displayed elevated VIP scores (>1.5) and were able to differentiate EoE samples on logistic regression analysis with 70% sensitivity and 68% specificity. These six miRNAs demonstrated significant enrichment for gene targets involved in valine, leucine, and isoleucine biosynthesis (p = 0.0012), 2-oxycarboxylic acid metabolism (p = 0.043), and steroid hormone biosynthesis (p = 0.048). Conclusions: Salivary miRNAs represent a noninvasive, biologically relevant measure that may aid disease monitoring of EoE.
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Affiliation(s)
- Pooja Bm Jhaveri
- From the Division of Allergy & Immunology, Department of Pediatrics, Penn State Children's Hospital, Hershey, Pennsylvania
| | - Kristin A Lambert
- Department of Pediatrics, Cincinnati Children's Hospital & Medical Center, Cincinnati, Ohio
| | - Kaleb Bogale
- Department of Medicine, Columbia University Irving Medical Center, New York, New York
| | - Erik Lehman
- Department of Public Health Sciences, Penn State University, Hershey, Pennsylvania
| | - Chandran Alexander
- Division of Gastroenterology, Department of Pediatrics, Penn State Children's Hospital, Hershey, Pennsylvania
| | - Faoud Ishmael
- Department of Allergy and Sleep Medicine, Mount Nittany Medical Group, State College, Pennsylvania, and
| | - Punit N Jhaveri
- Division of Gastroenterology, Department of Pediatrics, Penn State Children's Hospital, Hershey, Pennsylvania
| | - Steve D Hicks
- Division of Academic General Pediatrics, Department of Pediatrics, Penn State Children's Hospital, Hershey, Pennsylvania
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7
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Kattan D, Barsa C, Mekhijian S, Shakkour Z, Jammoul M, Doumit M, Zabala MCP, Darwiche N, Eid AH, Mechref Y, Wang KK, de Rivero Vaccari JP, Munoz Pareja JC, Kobeissy F. Inflammasomes as biomarkers and therapeutic targets in traumatic brain injury and related-neurodegenerative diseases: A comprehensive overview. Neurosci Biobehav Rev 2023; 144:104969. [PMID: 36423707 PMCID: PMC9805531 DOI: 10.1016/j.neubiorev.2022.104969] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/18/2022] [Accepted: 11/20/2022] [Indexed: 11/23/2022]
Abstract
Given the ambiguity surrounding traumatic brain injury (TBI) pathophysiology and the lack of any Food and Drug Administration (FDA)-approved neurotherapeutic drugs, there is an increasing need to better understand the mechanisms of TBI. Recently, the roles of inflammasomes have been highlighted as both potential therapeutic targets and diagnostic markers in different neurodegenerative disorders. Indeed, inflammasome activation plays a pivotal function in the central nervous system (CNS) response to many neurological conditions, as well as to several neurodegenerative disorders, specifically, TBI. This comprehensive review summarizes and critically discusses the mechanisms that govern the activation and assembly of inflammasome complexes and the major methods used to study inflammasome activation in TBI and its implication for other neurodegenerative disorders. Also, we will review how inflammasome activation is critical in CNS homeostasis and pathogenesis, and how it can impact chronic TBI sequalae and increase the risk of developing neurodegenerative diseases. Additionally, we discuss the recent updates on inflammasome-related biomarkers and the potential to utilize inflammasomes as putative therapeutic targets that hold the potential to better diagnose and treat subjects with TBI.
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Affiliation(s)
- Dania Kattan
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut, Lebanon
| | - Chloe Barsa
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut, Lebanon
| | - Sarin Mekhijian
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut, Lebanon
| | - Zaynab Shakkour
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut, Lebanon; Program for Interdisciplinary Neuroscience, Department of Child Health, School of Medicine, University of Missouri, USA
| | - Maya Jammoul
- Department of Anatomy, Cell Biology, and Physiology, American University of Beirut, Beirut, Lebanon
| | - Mark Doumit
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut, Lebanon
| | - Maria Camila Pareja Zabala
- Division of Pediatric Critical Care, Department of Pediatrics, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Nadine Darwiche
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut, Lebanon
| | - Ali H Eid
- Department of Basic Medical Sciences, College of Medicine, QU Health, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Yehia Mechref
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Kevin K Wang
- Morehouse School of Medicine, Department of Neurobiology, Atlanta, GA, USA
| | - Juan Pablo de Rivero Vaccari
- Department of Neurological Surgery and the Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, USA.
| | - Jennifer C Munoz Pareja
- Division of Pediatric Critical Care, Department of Pediatrics, University of Miami Miller School of Medicine, Miami, FL, USA.
| | - Firas Kobeissy
- Department of Biochemistry and Molecular Genetics, American University of Beirut, Beirut, Lebanon; Morehouse School of Medicine, Department of Neurobiology, Atlanta, GA, USA.
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8
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Hiskens MI, Mengistu TS, Li KM, Fenning AS. Systematic Review of the Diagnostic and Clinical Utility of Salivary microRNAs in Traumatic Brain Injury (TBI). Int J Mol Sci 2022; 23:13160. [PMID: 36361944 PMCID: PMC9654991 DOI: 10.3390/ijms232113160] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/18/2022] [Accepted: 10/27/2022] [Indexed: 07/29/2023] Open
Abstract
Research in traumatic brain injury (TBI) is an urgent priority, as there are currently no TBI biomarkers to assess the severity of injury, to predict outcomes, and to monitor recovery. Small non-coding RNAs (sncRNAs) including microRNAs can be measured in saliva following TBI and have been investigated as potential diagnostic markers. The aim of this systematic review was to investigate the diagnostic or prognostic ability of microRNAs extracted from saliva in human subjects. PubMed, Embase, Scopus, PsycINFO and Web of Science were searched for studies that examined the association of saliva microRNAs in TBI. Original studies of any design involving diagnostic capacity of salivary microRNAs for TBI were selected for data extraction. Nine studies met inclusion criteria, with a heterogeneous population involving athletes and hospital patients, children and adults. The studies identified a total of 188 differentially expressed microRNAs, with 30 detected in multiple studies. MicroRNAs in multiple studies involved expression change bidirectionality. The study design and methods involved significant heterogeneity that precluded meta-analysis. Early data indicates salivary microRNAs may assist with TBI diagnosis. Further research with consistent methods and larger patient populations is required to evaluate the diagnostic and prognostic potential of saliva microRNAs.
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Affiliation(s)
- Matthew I. Hiskens
- Mackay Institute of Research and Innovation, Mackay Hospital and Health Service, 475 Bridge Road, Mackay, QLD 4740, Australia
- School of Health, Medical and Applied Sciences, Central Queensland University, Bruce Highway, Rockhampton, QLD 4702, Australia
| | - Tesfaye S. Mengistu
- Mackay Institute of Research and Innovation, Mackay Hospital and Health Service, 475 Bridge Road, Mackay, QLD 4740, Australia
- Faculty of Medicine, School of Public Health, University of Queensland, 266 Herston Road, Herston, QLD 4006, Australia
| | - Katy M. Li
- School of Health, Medical and Applied Sciences, Central Queensland University, Bruce Highway, Rockhampton, QLD 4702, Australia
| | - Andrew S. Fenning
- School of Health, Medical and Applied Sciences, Central Queensland University, Bruce Highway, Rockhampton, QLD 4702, Australia
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9
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Epigenetic Alterations in Sports-Related Injuries. Genes (Basel) 2022; 13:genes13081471. [PMID: 36011382 PMCID: PMC9408207 DOI: 10.3390/genes13081471] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/11/2022] [Accepted: 08/15/2022] [Indexed: 11/17/2022] Open
Abstract
It is a well-known fact that physical activity benefits people of all age groups. However, highly intensive training, maladaptation, improper equipment, and lack of sufficient rest lead to contusions and sports-related injuries. From the perspectives of sports professionals and those performing regular–amateur sports activities, it is important to maintain proper levels of training, without encountering frequent injuries. The bodily responses to physical stress and intensive physical activity are detected on many levels. Epigenetic modifications, including DNA methylation, histone protein methylation, acetylation, and miRNA expression occur in response to environmental changes and play fundamental roles in the regulation of cellular activities. In the current review, we summarise the available knowledge on epigenetic alterations present in tissues and organs (e.g., muscles, the brain, tendons, and bones) as a consequence of sports-related injuries. Epigenetic mechanism observations have the potential to become useful tools in sports medicine, as predictors of approaching pathophysiological alterations and injury biomarkers that have already taken place.
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10
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Hicks SD, Leddy J, Lichak BP, Onks C, Dretsch M, Tennant P, Haider MN, Olympia RP, Zuckerman SL, Loeffert J, Loeffert AC, Monteith C, Master CL. Defining Biological Phenotypes of Mild Traumatic Brain Injury Using Saliva MicroRNA Profiles. J Neurotrauma 2022; 39:923-934. [PMID: 35412857 PMCID: PMC9248343 DOI: 10.1089/neu.2022.0018] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Concussion is a heterogeneous injury that relies predominantly on subjective symptom reports for patient assessment and treatment. Developing an objective, biological test could aid phenotypic categorization of concussion patients, leading to advances in personalized treatment. This prospective multi-center study employed saliva micro-ribonucleic acid (miRNA) levels to stratify 251 individuals with concussion into biological subgroups. Using miRNA biological clusters, our objective was to assess for differences in medical/demographic characteristics, symptoms, and functional measures of balance and cognition. The miRNAs that best defined each cluster were used to identify physiological pathways that characterized each cluster. The 251 participants (mean age: 18 ± 7 years; 57% male) were optimally grouped into 10 clusters based on 22 miRNA levels. The clusters differed in age (χ2 = 19.1, p = 0.024), days post-injury at the time of saliva collection (χ2 = 22.6; p = 0.007), and number of prior concussions (χ2 = 17.6, p = 0.040). The clusters also differed in symptom reports for fatigue (χ2 = 17.7; p = 0.039), confusion (χ2 = 22.3; p = 0.008), difficulty remembering (χ2 = 22.0; p = 0.009), and trouble falling asleep (χ2 = 17.2; p = 0.046), but not objective balance or cognitive performance (p > 0.05). The miRNAs that defined concussion clusters regulate 16 physiological pathways, including adrenergic signaling, estrogen signaling, fatty acid metabolism, GABAergic signaling, synaptic vesicle cycling, and transforming growth factor (TGF)-β signaling. These results show that saliva miRNA levels may stratify individuals with concussion based on underlying biological perturbations that are relevant to both symptomology and pharmacological targets. If validated in a larger cohort, miRNA assessment could aid individualized, biology-driven concussion treatment.
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Affiliation(s)
- Steven D. Hicks
- Department of Pediatrics, Penn State College of Medicine, Hershey, Pennsylvania, USA.,Address correspondence to: Steven D. Hicks, MD, PhD, Departmentt of Pediatrics, Penn State College of Medicine, 500 University Drive, Hershey PA 17033, USA
| | - John Leddy
- Department of Sports Medicine, SUNY Buffalo School of Medicine and Biomedical Sciences, Buffalo, New York, USA.,Department of Orthopedics, State University of New York at Buffalo, Buffalo, New York, USA
| | - Brooke P. Lichak
- Department of Pediatrics, Penn State College of Medicine, Hershey, Pennsylvania, USA
| | - Cayce Onks
- Department of Family Medicine, Penn State College of Medicine, Hershey, Pennsylvania, USA.,Department of Orthopaedics and Rehabilitation, College of Medicine, Penn State University, Hershey, Pennsylvania, USA
| | - Michael Dretsch
- US Army Medical Research Directorate-West, Walter Reed Army Institute of Research, Joint Base Lewis-McChord, Washington, USA
| | | | - Mohammad Nadir Haider
- Department of Sports Medicine, SUNY Buffalo School of Medicine and Biomedical Sciences, Buffalo, New York, USA.,Department of Orthopedics, State University of New York at Buffalo, Buffalo, New York, USA
| | - Robert P. Olympia
- Department of Pediatrics, Penn State College of Medicine, Hershey, Pennsylvania, USA.,Department of Emergency Medicine, Penn State College of Medicine, Hershey, Pennsylvania, USA
| | - Scott L. Zuckerman
- Department of Neurosurgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Jayson Loeffert
- Department of Family Medicine, Penn State College of Medicine, Hershey, Pennsylvania, USA.,Department of Orthopaedics and Rehabilitation, College of Medicine, Penn State University, Hershey, Pennsylvania, USA
| | - Andrea C. Loeffert
- Department of Pediatrics, Penn State College of Medicine, Hershey, Pennsylvania, USA
| | - Chuck Monteith
- Department of Sports Medicine, Colgate University, Hamilton, New York, USA
| | - Christina L. Master
- Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
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11
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Dong M, Tang Z, Hicks S, Guan W. Rolling Circle Amplification-Coupled Glass Nanopore Counting of Mild Traumatic Brain Injury-Related Salivary miRNAs. Anal Chem 2022; 94:3865-3871. [PMID: 35192325 DOI: 10.1021/acs.analchem.1c04781] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Mild traumatic brain injury (mTBI) could be underdiagnosed and underreported due to the delayed onset of symptoms and the conventional subjective assessment. Recent studies have suggested that salivary microRNAs (miRNAs) could be reliable biomarkers for objective mTBI diagnosis. In this work, we demonstrated a rolling circle amplification (RCA)-coupled resistive pulse-counting platform for profiling mTBI-related miRNAs, using easy-to-fabricate large glass nanopores (200 nm diameter). The method relies on the linear and specific elongation of the miRNA to a much larger RCA product, which the large glass nanopore can digitally count with a high signal-to-noise ratio. We developed and validated the RCA assay against let-7a, miR-30e, and miR-21. We demonstrated the quantification capability of this large glass nanopore counting platform for purified miRNAs as well as miRNAs in salivary total RNA background. Finally, we quantitatively evaluated the performance of profiling each individual miRNAs in a mixed analyte. Our results showed that the RCA-coupled large glass nanopore counting provides a promising and accessible alternative toward the clinical diagnosis of mTBI using salivary miRNAs.
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Affiliation(s)
- Ming Dong
- Department of Electrical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Zifan Tang
- Department of Electrical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Steven Hicks
- Department of Pediatrics, Penn State College of Medicine, Hershey, Pennsylvania 17033, United States
| | - Weihua Guan
- Department of Electrical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, United States.,Department of Biomedical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, United States
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12
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Porteny J, Tovar E, Lin S, Anwar A, Osier N. Salivary Biomarkers as Indicators of TBI Diagnosis and Prognosis: A Systematic Review. Mol Diagn Ther 2022; 26:169-187. [PMID: 35048328 DOI: 10.1007/s40291-021-00569-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2021] [Indexed: 11/21/2022]
Abstract
BACKGROUND AND OBJECTIVE Traumatic brain injuries are physical injuries to the head that result in disruptions to normal brain function. Diagnostic tools such as computed tomography scans have commonly been used to detect traumatic brain injuries but are costly and not ubiquitously available. Recent research on diagnostic alternatives has focused on using salivary biomarkers, but there is no consensus on the utility of these methods. The objective of this manuscript is to address the gap in the literature pertaining to the effectiveness of salivary biomarkers for TBI diagnosis and prognosis. METHODS A systematic review was conducted between November 2020 and October 2021 using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Six databases were searched using the terms "traumatic brain injury," "TBI," "saliva," and "biomarkers." Literature published prior to 2010 was excluded, and two authors reviewed each full-text article to ensure its relevance. RESULTS A total of 18 articles were included in this review, with nine articles on salivary microRNA, three on salivary hormones, three on salivary extracellular vesicles, and three on salivary proteins. CONCLUSIONS Studies reported changes in salivary biomarkers after traumatic brain injuries and indicated a possible link between salivary biomarker expression and traumatic brain injury severity. However, it is unclear the degree to which salivary biomarkers accurately predict traumatic brain injury diagnosis and prognosis; some studies reported significant associations while others reported weaker associations. More research into the robustness of salivary biomarkers is needed to fully elucidate their utility for the traumatic brain injury population.
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Affiliation(s)
- Jacqueline Porteny
- The University of Texas at Austin College of Liberal Arts, Austin, TX, USA
| | - Elicenda Tovar
- The University of Texas at Austin College of Natural Sciences, Austin, TX, USA
| | - Samuel Lin
- The University of Texas at Austin College of Natural Sciences, Austin, TX, USA.,Dell Medical School, Austin, TX, USA
| | - Afifa Anwar
- The University of Texas at Austin College of Natural Sciences, Austin, TX, USA.,The University of Texas Health Science Center at San Antonio School of Dentistry, San Antonio, TX, USA
| | - Nico Osier
- The University of Texas at Austin School of Nursing, Austin, TX, USA. .,Department of Neurology, Dell Medical School, Austin, TX, USA.
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13
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The Effects of Physical Exercise on Saliva Composition: A Comprehensive Review. Dent J (Basel) 2022; 10:dj10010007. [PMID: 35049605 PMCID: PMC8775020 DOI: 10.3390/dj10010007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/26/2021] [Accepted: 12/30/2021] [Indexed: 01/27/2023] Open
Abstract
Saliva consists of organic and inorganic constituents. During exercise, analysis of the saliva can provide valuable information regarding training stress, adaptation and exercise performance. The objective of the present article was to review the effect of physical exercise on saliva composition. The shift in the composition of the saliva, during and after a workout, reflects the benefits of exercise, its potential risks and the capability of the saliva to serve as a health indicator. The type and the frequency of training, the physical condition and the athletes’ general health influence the hormones, immunoglobulins and saliva enzymes. The correlation between saliva and physical exercise has to be further investigated and the available knowledge to be applied for the benefit of the athletes during sports activities.
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14
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Di Pietro V, O'Halloran P, Watson CN, Begum G, Acharjee A, Yakoub KM, Bentley C, Davies DJ, Iliceto P, Candilera G, Menon DK, Cross MJ, Stokes KA, Kemp SP, Belli A. Unique diagnostic signatures of concussion in the saliva of male athletes: the Study of Concussion in Rugby Union through MicroRNAs (SCRUM). Br J Sports Med 2021; 55:1395-1404. [PMID: 33757972 PMCID: PMC8639909 DOI: 10.1136/bjsports-2020-103274] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2021] [Indexed: 12/14/2022]
Abstract
Objective To investigate the role of salivary small non-coding RNAs (sncRNAs) in the diagnosis of sport-related concussion. Methods Saliva was obtained from male professional players in the top two tiers of England’s elite rugby union competition across two seasons (2017–2019). Samples were collected preseason from 1028 players, and during standardised head injury assessments (HIAs) at three time points (in-game, post-game, and 36–48 hours post-game) from 156 of these. Samples were also collected from controls (102 uninjured players and 66 players sustaining a musculoskeletal injury). Diagnostic sncRNAs were identified with next generation sequencing and validated using quantitative PCR in 702 samples. A predictive logistic regression model was built on 2017–2018 data (training dataset) and prospectively validated the following season (test dataset). Results The HIA process confirmed concussion in 106 players (HIA+) and excluded this in 50 (HIA−). 32 sncRNAs were significantly differentially expressed across these two groups, with let-7f-5p showing the highest area under the curve (AUC) at 36–48 hours. Additionally, a combined panel of 14 sncRNAs (let-7a-5p, miR-143-3p, miR-103a-3p, miR-34b-3p, RNU6-7, RNU6-45, Snora57, snoU13.120, tRNA18Arg-CCT, U6-168, U6-428, U6-1249, Uco22cjg1, YRNA_255) could differentiate concussed subjects from all other groups, including players who were HIA− and controls, immediately after the game (AUC 0.91, 95% CI 0.81 to 1) and 36–48 hours later (AUC 0.94, 95% CI 0.86 to 1). When prospectively tested, the panel confirmed high predictive accuracy (AUC 0.96, 95% CI 0.92 to 1 post-game and AUC 0.93, 95% CI 0.86 to 1 at 36–48 hours). Conclusions SCRUM, a large prospective observational study of non-invasive concussion biomarkers, has identified unique signatures of concussion in saliva of male athletes diagnosed with concussion.
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Affiliation(s)
- Valentina Di Pietro
- University of Birmingham, Institute of Inflammation and Ageing, Birmingham, UK .,NIHR Surgical Reconstruction and Microbiology Research Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK.,Marker Diagnostics UK Limited, the BioHub, Birmingham research park, Birmingham, UK
| | - Patrick O'Halloran
- University of Birmingham, Institute of Inflammation and Ageing, Birmingham, UK.,Marker Diagnostics UK Limited, the BioHub, Birmingham research park, Birmingham, UK
| | - Callum N Watson
- University of Birmingham, Institute of Inflammation and Ageing, Birmingham, UK
| | - Ghazala Begum
- Marker Diagnostics UK Limited, the BioHub, Birmingham research park, Birmingham, UK
| | - Animesh Acharjee
- NIHR Surgical Reconstruction and Microbiology Research Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK.,College of Medical and Dental Sciences, Institute of Cancer and Genomic Sciences, Centre for Computational Biology, University of Birmingham, Birmingham, UK.,Institute of Translational Medicine, University Hospitals Birmingham NHS, Foundation Trust, Birmingham, UK
| | - Kamal M Yakoub
- NIHR Surgical Reconstruction and Microbiology Research Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Conor Bentley
- NIHR Surgical Reconstruction and Microbiology Research Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - David J Davies
- University of Birmingham, Institute of Inflammation and Ageing, Birmingham, UK.,NIHR Surgical Reconstruction and Microbiology Research Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | | | | | - David K Menon
- Division of Anaesthesia, University of Cambridge, Cambridge, UK
| | - Matthew J Cross
- Department for Health, University of Bath, Bath, UK.,Premier Rugby Limited, Twickenham, London, UK
| | - Keith A Stokes
- Department for Health, University of Bath, Bath, UK.,Rugby Football Union, Twickenham, London, UK
| | - Simon Pt Kemp
- Rugby Football Union, Twickenham, London, UK.,Faculty of Epidemiology and Public Health, London School of Hygiene and Tropical Medicine, London, UK
| | - Antonio Belli
- University of Birmingham, Institute of Inflammation and Ageing, Birmingham, UK.,NIHR Surgical Reconstruction and Microbiology Research Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK.,Marker Diagnostics UK Limited, the BioHub, Birmingham research park, Birmingham, UK
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