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Razzaque MS. Salivary phosphate as a biomarker for human diseases. FASEB Bioadv 2022; 4:102-108. [PMID: 35141474 PMCID: PMC8814558 DOI: 10.1096/fba.2021-00104] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/26/2021] [Accepted: 10/27/2021] [Indexed: 12/20/2022] Open
Affiliation(s)
- Mohammed S. Razzaque
- Department of Pathology Lake Erie College of Osteopathic Medicine Erie Pennsylvania USA
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2
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Salivary Redox Biomarkers in Insulin Resistance: Preclinical Studies in an Animal Model. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:3734252. [PMID: 34557264 PMCID: PMC8455206 DOI: 10.1155/2021/3734252] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 08/24/2021] [Indexed: 12/18/2022]
Abstract
Insulin resistance (IR) is a condition of impaired tissue response to insulin. Although there are many methods to diagnose IR, new biomarkers are still being sought for early and noninvasive diagnosis of the disease. Of particular interest in laboratory diagnostics is saliva collected in a stress-free, noninvasive, and straightforward manner. The purpose of the study was to evaluate the diagnostic utility of salivary redox biomarkers in preclinical studies in an animal model. The study was conducted on 20 male Wistar rats divided into two equal groups: a standard diet and a high-fat diet (HFD). In all rats fed the HFD, IR was confirmed by an elevated homeostasis model assessment (HOMA-IR) index. We have shown that IR is responsible for the depletion of the enzymatic (↓superoxide dismutase) and nonenzymatic (↓ascorbic acid, ↓reduced glutathione (GSH)) antioxidant barrier at both the central (serum/plasma) and salivary gland (saliva) levels. In IR rats, we also demonstrated significantly higher concentrations of protein/lipid oxidation (↑protein carbonyls, ↑4-hydroxynoneal (4-HNE)), glycation (↑advanced glycation end products), and nitration (↑3-nitrotyrosine) products in both saliva and blood plasma. Salivary nonenzymatic antioxidants and oxidative stress products generally correlate with their blood levels, while GSH and 4-HNE have the highest correlation coefficient. Salivary GSH and 4-HNE correlate with body weight and BMI and indices of carbohydrate metabolism (glucose, insulin, HOMA-IR) and proinflammatory adipokines (leptin, resistin, TNF-α). These biomarkers differentiate IR from healthy controls with very high sensitivity (100%) and specificity (100%). The high diagnostic utility of salivary GSH and 4-HNE is also confirmed by multivariate regression analysis. Summarizing, saliva can be used to assess the systemic antioxidant status and the intensity of systemic oxidative stress. Salivary GSH and 4-HNE may be potential biomarkers of IR progression. There is a need for human clinical trials to evaluate the diagnostic utility of salivary redox biomarkers in IR conditions.
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Khurshid Z, Warsi I, Moin SF, Slowey PD, Latif M, Zohaib S, Zafar MS. Biochemical analysis of oral fluids for disease detection. Adv Clin Chem 2020; 100:205-253. [PMID: 33453866 DOI: 10.1016/bs.acc.2020.04.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The field of diagnostics using invasive blood testing represents the majority of diagnostic tests used as part of routine health monitoring. The relatively recent introduction of salivary diagnostics has lead to a major paradigm shift in diagnostic analyses. Additionally, in this era of big data, oral fluid testing has shown promising outcomes in a number of fields, particularly the areas of genomics, microbiomics, proteomics, metabolomics, and transcriptomics. Despite the analytical challenges involved in the interpretation of large datasets generated from biochemical studies involving bodily fluids, including saliva, many studies have identified novel oral biomarkers for diagnosing oral and systemic diseases. In this regard, oral biofluids, including saliva, gingival crevicular fluid (GCF), peri-implant crevicular fluid (PICF), dentinal tubular fluid (DTF), are now attracting increasing attention due to their important attributes, such as noninvasive sampling, easy handling, low cost, and more accurate diagnosis of oral diseases. Recently, the utilization of salivary diagnostics to evaluate systemic diseases and monitor general health has increased in popularity among clinicians. Saliva contains a wide range of protein, DNA and RNA biomarkers, which assist in the diagnosis of multiple diseases and conditions, including cancer, cardiovascular diseases (CVD), auto-immune and degenerative diseases, respiratory infections, oral diseases, and microbial (viral, bacterial and fungal) diseases. Moreover, due to its noninvasive nature and ease-of-adoption by children, it is now being used in mass screening programs, oral health-related studies and clinical trials in support of the development of therapeutic agents. The recent advent of highly sensitive technologies, such as next-generation sequencing, mass spectrometry, highly sensitives ELISAs, and homogeneous immunoassays, suggests that even small quantities of salivary biomarkers are able to be assayed accurately, providing opportunities for the development of many future diagnostic applications (including emerging technologies, such as point-of-care and rapid molecular technologies). The present article explores the omics and biochemical compositions of various oral biofluids with important value in diagnostics and monitoring.
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Affiliation(s)
- Zohaib Khurshid
- Department of Prosthodontics and Dental Implantology, College of Dentistry, King Faisal University, Al-Ahsa, Saudi Arabia
| | - Ibrahim Warsi
- Masters in Medical Science and Clinical Investigation, Harvard Medical School, Boston, MA, United States
| | - Syed F Moin
- National Center for Proteomics, University of Karachi, Karachi, Pakistan
| | - Paul D Slowey
- Oasis Diagnostics® Corporation, Vancouver, WA, United States
| | - Muhammad Latif
- Centre for Genetics and Inherited Diseases (CGID), Taibah University, Al Madinah Al Munawwarah, Saudi Arabia
| | - Sana Zohaib
- Department of Biomedical Engineering, College of Engineering, King Faisal University, Al-Ahsa, Saudi Arabia
| | - Muhammad S Zafar
- Department of Restorative Dentistry, College of Dentistry, Taibah University, Al Madinah Al Munawwarah, Saudi Arabia; Department of Dental Materials, Islamic International Dental College, Riphah International University, Islamabad, Pakistan.
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Nizam R, Al-Ozairi E, Goodson JM, Melhem M, Davidsson L, Alkhandari H, Al Madhoun A, Shamsah S, Qaddoumi M, Alghanim G, Alhasawi N, Abu-Farha M, Abubaker J, Shi P, Hartman ML, Tavares M, Bitar M, Ali H, Arefanian H, Devarajan S, Al-Refaei F, Alsmadi O, Tuomilehto J, Al-Mulla F. Caveolin-1 Variant Is Associated With the Metabolic Syndrome in Kuwaiti Children. Front Genet 2018; 9:689. [PMID: 30622557 PMCID: PMC6308323 DOI: 10.3389/fgene.2018.00689] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 12/11/2018] [Indexed: 12/18/2022] Open
Abstract
Caveolin-1 (CAV1) variants have been suggested to be associated with obesity and related metabolic disorders, but information based on human studies is limited. In the present study, we aimed to investigate the potential association between the CAV1 rs1997623 C/A variant and metabolic syndrome (MetS) in Kuwaiti children. DNA from saliva samples collected from 1313 Kuwaiti children (mean age: 12 years) were genotyped using the TaqMan SNP genotyping assay. The classification of MetS was based on the presence/absence of four indicators; (1) central obesity, (2) elevated systolic or diastolic blood pressure, (3) low salivary high-density lipoprotein cholesterol (HDLC), and (4) high salivary glucose. In this study, children with MetS scored ≥3, children in the intermediate metabolic group scored 1 or 2 and children without MetS scored 0. About one-third of the children were obese. A total of 246 children (18.7%) were classified as having MetS; 834 children (63.5%) were in the intermediate metabolic group, and 233 children (17.7%) had no indication of MetS. Obesity was highly prevalent in the MetS group (91.9%) while 26.8% of children were obese in the intermediate metabolic group. None of the children were obese in the group without MetS. Analysis of the CAV1 rs1997623 variant revealed a significant association of the A-allele (p = 0.01, Odds Ratio (OR) = 1.66) and the heterozygous CA-genotype (p = 0.005, OR = 1.88) with MetS. Consistently, the A-allele (p = 0.002, OR = 1.71) and CA-genotype (p = 0.005, OR = 1.70) also showed significant association with the intermediate metabolic group. Furthermore, the A-allele (p = 0.01, OR = 1.33) and the CA-genotype (p = 0.008, OR = 1.55) were associated with low levels of saliva HDLC. Individuals who were heterozygous or homozygous for the variant (CA/AA) showed significantly lower levels of high HDLC compared to those harboring the CC-genotype (p = 0.023). Our study revealed a novel association of the CAV1 rs1997623 variant with the MetS and with low saliva HDLC levels in young Kuwaiti children and indicated the need for further in-depth studies to unravel the role of CAV1 gene in the genetic etiology of MetS.
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Affiliation(s)
- Rasheeba Nizam
- Functional Genomics Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Ebaa Al-Ozairi
- Clinical Division, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Jo Max Goodson
- Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, United States
| | - Motesam Melhem
- Functional Genomics Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Lena Davidsson
- Family Medicine and Pediatric Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Hessa Alkhandari
- Family Medicine and Pediatric Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Ashraf Al Madhoun
- Functional Genomics Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Sara Shamsah
- Faculty of Allied Health Sciences, Kuwait University, Kuwait City, Kuwait
| | - Malak Qaddoumi
- Functional Genomics Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Ghazi Alghanim
- Functional Genomics Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Nouf Alhasawi
- Functional Genomics Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Mohamed Abu-Farha
- Biochemistry and Molecular Biology Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Jehad Abubaker
- Biochemistry and Molecular Biology Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Ping Shi
- Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, United States
| | - Mor-Li Hartman
- Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, United States
| | - Mary Tavares
- Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, United States
| | - Milad Bitar
- Faculty of Medicine, Kuwait University, Kuwait City, Kuwait
| | - Hamad Ali
- Faculty of Allied Health Sciences, Kuwait University, Kuwait City, Kuwait
| | | | - Sriraman Devarajan
- National Dasman Diabetes Biobank, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Faisal Al-Refaei
- Clinical Division, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Osama Alsmadi
- Cell Therapy and Applied Genomics, King Hussein Cancer Center, Amman, Jordan
| | | | - Fahd Al-Mulla
- Functional Genomics Unit, Dasman Diabetes Institute, Kuwait City, Kuwait
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Ribeiro CCC, Pachêco CDJB, Costa EL, Ladeira LLC, Costa JF, da Silva RA, Carmo CDS. Proinflammatory cytokines in early childhood caries: Salivary analysis in the mother/children pair. Cytokine 2018; 107:113-117. [DOI: 10.1016/j.cyto.2017.12.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 11/07/2017] [Accepted: 12/06/2017] [Indexed: 01/10/2023]
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Shores DR, Everett AD. Children as Biomarker Orphans: Progress in the Field of Pediatric Biomarkers. J Pediatr 2018; 193:14-20.e31. [PMID: 29031860 PMCID: PMC5794519 DOI: 10.1016/j.jpeds.2017.08.077] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 08/04/2017] [Accepted: 08/30/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Darla R Shores
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Johns Hopkins School of Medicine, Baltimore, MD.
| | - Allen D Everett
- Division of Cardiology, Department of Pediatrics, Johns Hopkins School of Medicine, Baltimore, MD
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Acharya A, Chan Y, Kheur S, Kheur M, Gopalakrishnan D, Watt RM, Mattheos N. Salivary microbiome of an urban Indian cohort and patterns linked to subclinical inflammation. Oral Dis 2017; 23:926-940. [PMID: 28383789 DOI: 10.1111/odi.12676] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 12/19/2016] [Accepted: 03/16/2017] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To profile salivary microbiomes of an urban-living, healthy Indian cohort and explore associations with proinflammatory status. METHODS Fifty-one clinically healthy Indian subjects' salivary microbiomes were analyzed using 16S rRNA Illumina MiSeq sequencing. Community distribution was compared with salivary data from the Human Microbiome Project (HMP). Indian subjects were clustered using microbiome-based "partitioning along medoids" (PAM), and relationships of interleukin-1 beta levels with community composition were analyzed. RESULTS Indian subjects presented higher phylogenetic diversity than HMP. Several taxa associated with traditional societies gut microbiomes (Bacteroidales, Paraprevotellaceae, and Spirochaetaceae) were raised. Bifidobacteriaceae and Lactobacillaceae were approximately fourfold greater. A PAM cluster enriched in several Proteobacteria, Actinobacteria, and Bacilli taxa and having almost twofold higher Prevotella to Bacteroides ratio showed significant overrepresentation of subjects within the highest quartile of salivary interleukin-1 beta levels. Abiotrophia, Anaerobacillus, Micrococcus, Aggregatibacter, Halomonas, Propionivivrio, Paracoccus, Mannhemia, unclassified Bradyrhizobiaceae, and Caulobacteraceae were each significant indicators of presence in the highest interleukin-1 beta quartile. 2 OTUs representing Lactobacillus fermentum and Cardiobacterium hominis significantly correlated with interleukin-1 beta levels. CONCLUSION The salivary microbiome of this urban-dwelling Indian cohort differed significantly from that of a well-studied Western cohort. Specific community patterns were putatively associated with subclinical inflammation levels.
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Affiliation(s)
- A Acharya
- Faculty of Dentistry, The University of Hong Kong, Hong Kong.,Dr. D Y Patil Dental College and Hospital, Pune, India
| | - Y Chan
- Faculty of Dentistry, The University of Hong Kong, Hong Kong
| | - S Kheur
- Dr. D Y Patil Dental College and Hospital, Pune, India
| | - M Kheur
- M.A Rangoonwalla Dental College and Hospital, Pune, India
| | | | - R M Watt
- Faculty of Dentistry, The University of Hong Kong, Hong Kong
| | - N Mattheos
- Faculty of Dentistry, The University of Hong Kong, Hong Kong
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Guo Y, Guo LN, Zhu JF, Tang CY, Feng YZ, Zhou HD. Associations of Salivary BPIFA1 Protein in Chronic Periodontitis Patients with Type 2 Diabetes Mellitus. Int J Endocrinol 2017; 2017:1087017. [PMID: 29109737 PMCID: PMC5646319 DOI: 10.1155/2017/1087017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Revised: 07/31/2017] [Accepted: 08/16/2017] [Indexed: 12/11/2022] Open
Abstract
AIMS To explore the differences in salivary BPI fold containing family A, member 1 (BPIFA1) concentration among type 2 diabetes mellitus (T2DM) subjects with various severities of chronic periodontitis and to determine whether BPIFA1 in saliva can be used as a potential biomarker of T2DM. METHODS Unstimulated saliva samples were collected from 44 subjects with T2DM and 44 without T2DM (NDM). Additionally, demographic data and general health parameters, including fasting blood glucose (FBG) and body mass index (BMI), were collected. We also detected full-mouth clinical periodontal parameters including probing pocket depth (PPD), clinical attachment level (CAL), bleeding index (BI), and plaque index (PLI). Salivary BPIFA1, tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6) concentrations were also detected. RESULTS BPIFA1 in saliva was detected at relatively high levels. T2DM subjects had decreased salivary BPIFA1 concentrations (P = 0.031). In T2DM subjects with nonperiodontitis or severe periodontitis, the level of BPIFA1 was significantly lower compared with that of NDM. Salivary TNF-α concentration displayed a similar trend to BPIFA1 in the NDM group. CONCLUSIONS BPIFA1 protein is rich in saliva and might be used as a potential predictive biomarker of T2DM, especially in patients with severe periodontitis and nonperiodontitis. This trial is registered with ChiCTR-ROC-17010310.
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Affiliation(s)
- Yue Guo
- Department of Metabolism & Endocrinology, National Clinical Research Center for Metabolic Disease, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Lin-Na Guo
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Jun-Fei Zhu
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Chen-Yi Tang
- Department of Metabolism & Endocrinology, National Clinical Research Center for Metabolic Disease, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Yun-Zhi Feng
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Hou-De Zhou
- Department of Metabolism & Endocrinology, National Clinical Research Center for Metabolic Disease, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
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Kaczor-Urbanowicz KE, Martin Carreras-Presas C, Aro K, Tu M, Garcia-Godoy F, Wong DT. Saliva diagnostics - Current views and directions. Exp Biol Med (Maywood) 2016; 242:459-472. [PMID: 27903834 DOI: 10.1177/1535370216681550] [Citation(s) in RCA: 226] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
In this review, we provide an update on the current and future applications of saliva for diagnostic purposes. There are many advantages of using saliva as a biofluid. Its collection is fast, easy, inexpensive, and non-invasive. In addition, saliva, as a "mirror of the body," can reflect the physiological and pathological state of the body. Therefore, it serves as a diagnostic and monitoring tool in many fields of science such as medicine, dentistry, and pharmacotherapy. Introduced in 2008, the term "Salivaomics" aimed to highlight the rapid development of knowledge about various "omics" constituents of saliva, including: proteome, transcriptome, micro-RNA, metabolome, and microbiome. In the last few years, researchers have developed new technologies and validated a wide range of salivary biomarkers that will soon make the use of saliva a clinical reality. However, a great need still exists for convenient and accurate point-of-care devices that can serve as a non-invasive diagnostic tool. In addition, there is an urgent need to decipher the scientific rationale and mechanisms that convey systemic diseases to saliva. Another promising technology called liquid biopsy enables detection of circulating tumor cells (CTCs) and fragments of tumor DNA in saliva, thus enabling non-invasive early detection of various cancers. The newly developed technology-electric field-induced release and measurement (EFIRM) provides near perfect detection of actionable mutations in lung cancer patients. These recent advances widened the salivary diagnostic approach from the oral cavity to the whole physiological system, and thus point towards a promising future of salivary diagnostics for personalized individual medicine applications including clinical decisions and post-treatment outcome predictions. Impact statement The purpose of this mini-review is to make an update about the present and future applications of saliva as a diagnostic biofluid in many fields of science such as dentistry, medicine and pharmacotherapy. Using saliva as a fluid for diagnostic purposes would be a huge breakthrough for both patients and healthcare providers since saliva collection is easy, non-invasive and inexpensive. We will go through the current main diagnostic applications of saliva, and provide a highlight on the emerging, newly developing technologies and tools for cancer screening, detection and monitoring.
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Affiliation(s)
| | | | - Katri Aro
- 1 School of Dentistry, Center for Oral/Head & Neck Oncology Research, University of California at Los Angeles, Los Angeles, CA 90095, USA
| | - Michael Tu
- 1 School of Dentistry, Center for Oral/Head & Neck Oncology Research, University of California at Los Angeles, Los Angeles, CA 90095, USA
| | - Franklin Garcia-Godoy
- 3 College of Dentistry, University of Tennessee Health Science Center, Bioscience Research Center, Memphis, TN 38163, USA
| | - David Tw Wong
- 1 School of Dentistry, Center for Oral/Head & Neck Oncology Research, University of California at Los Angeles, Los Angeles, CA 90095, USA
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