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Ostheim P, Tichý A, Badie C, Davidkova M, Kultova G, Stastna MM, Sirak I, Stewart S, Schwanke D, Kasper M, Ghandhi SA, Amundson SA, Bäumler W, Stroszczynski C, Port M, Abend M. Applicability of Gene Expression in Saliva as an Alternative to Blood for Biodosimetry and Prediction of Radiation-induced Health Effects. Radiat Res 2024; 201:523-534. [PMID: 38499035 DOI: 10.1667/rade-23-00176.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 12/01/2023] [Indexed: 03/20/2024]
Abstract
As the great majority of gene expression (GE) biodosimetry studies have been performed using blood as the preferred source of tissue, searching for simple and less-invasive sampling methods is important when considering biodosimetry approaches. Knowing that whole saliva contains an ultrafiltrate of blood and white blood cells, it is expected that the findings in blood can also be found in saliva. This human in vivo study aims to examine radiation-induced GE changes in saliva for biodosimetry purposes and to predict radiation-induced disease, which is yet poorly characterized. Furthermore, we examined whether transcriptional biomarkers in blood can also be found equivalently in saliva. Saliva and blood samples were collected in parallel from radiotherapy (RT) treated patients who suffered from head and neck cancer (n = 8) undergoing fractioned partial-body irradiations (1.8 Gy/fraction and 50-70 Gy total dose). Samples were taken 12-24 h before first irradiation and ideally 24 and 48 h, as well as 5 weeks after radiotherapy onset. Due to the low quality and quantity of isolated RNA samples from one patient, they had to be excluded from further analysis, leaving a total of 24 saliva and 24 blood samples from 7 patients eligible for analysis. Using qRT-PCR, 18S rRNA and 16S rRNA (the ratio being a surrogate for the relative human RNA/bacterial burden), four housekeeping genes and nine mRNAs previously identified as radiation responsive in blood-based studies were detected. Significant GE associations with absorbed dose were found for five genes and after the 2nd radiotherapy fraction, shown by, e.g., the increase of CDKN1A (2.0 fold, P = 0.017) and FDXR (1.9 fold increased, P = 0.002). After the 25th radiotherapy fraction, however, all four genes (FDXR, DDB2, POU2AF1, WNT3) predicting ARS (acute radiation syndrome) severity, as well as further genes (including CCNG1 [median-fold change (FC) = 0.3, P = 0.013], and GADD45A (median-FC = 0.3, P = 0.031)) appeared significantly downregulated (FC = 0.3, P = 0.01-0.03). A significant association of CCNG1, POU2AF1, HPRT1, and WNT3 (P = 0.006-0.04) with acute or late radiotoxicity could be shown before the onset of these clinical outcomes. In an established set of four genes predicting acute health effects in blood, the response in saliva samples was similar to the expected up- (FDXR, DDB2) or downregulation (POU2AF1, WNT3) in blood for up to 71% of the measurements. Comparing GE responses (PHPT1, CCNG1, CDKN1A, GADD45A, SESN1) in saliva and blood samples, there was a significant linear association between saliva and blood response of CDKN1A (R2 = 0.60, P = 0.0004). However, the GE pattern of other genes differed between saliva and blood. In summary, the current human in vivo study, (I) reveals significant radiation-induced GE associations of five transcriptional biomarkers in salivary samples, (II) suggests genes predicting diverse clinical outcomes such as acute and late radiotoxicity as well as ARS severity, and (III) supports the view that blood-based GE response can be reflected in saliva samples, indicating that saliva is a "mirror of the body" for certain but not all genes and, thus, studies for each gene of interest in blood are required for saliva.
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Affiliation(s)
- P Ostheim
- Bundeswehr Institute of Radiobiology, Munich, Germany
- Department of Radiology, University Hospital Regensburg, Regensburg, Germany
| | - A Tichý
- Department of Radiobiology, Faculty of Military Health Sciences in Hradec Kralove, University of Defence in Brno, Czech Republic
- Biomedical Research Centre, University Hospital, Hradec Kralove, Czech Republic
| | - C Badie
- UK Health Security Agency, Radiation, Chemical and Environmental Hazards Division, Oxfordshire, United Kingdom
| | - M Davidkova
- Department of Radiation Dosimetry, Nuclear Physics Institute of the Czech Academy of Sciences, Prague, Czech Republic
| | - G Kultova
- Department of Radiobiology, Faculty of Military Health Sciences in Hradec Kralove, University of Defence in Brno, Czech Republic
| | - M Markova Stastna
- Institute for Hematology and Blood Transfusion, Hospital Na Bulovce, Prague, Czech Republic
| | - I Sirak
- Department of Oncology and Radiotherapy, University Hospital and Medical Faculty in Hradec Kralove, Czech Republic
| | - S Stewart
- Bundeswehr Institute of Radiobiology, Munich, Germany
| | - D Schwanke
- Bundeswehr Institute of Radiobiology, Munich, Germany
| | - M Kasper
- Bundeswehr Institute of Radiobiology, Munich, Germany
| | - S A Ghandhi
- Center for Radiological Research, Columbia University Irving Medical Center, New York, New York, 10032
| | - S A Amundson
- Center for Radiological Research, Columbia University Irving Medical Center, New York, New York, 10032
| | - W Bäumler
- Department of Radiology, University Hospital Regensburg, Regensburg, Germany
| | - C Stroszczynski
- Department of Radiology, University Hospital Regensburg, Regensburg, Germany
| | - M Port
- Bundeswehr Institute of Radiobiology, Munich, Germany
| | - M Abend
- Bundeswehr Institute of Radiobiology, Munich, Germany
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Roca C, Alkhateeb AA, Deanhardt BK, Macdonald JK, Chi DL, Wang JR, Wolfgang MC. Saliva sampling method influences oral microbiome composition and taxa distribution associated with oral diseases. PLoS One 2024; 19:e0301016. [PMID: 38547181 PMCID: PMC10977688 DOI: 10.1371/journal.pone.0301016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 03/09/2024] [Indexed: 04/02/2024] Open
Abstract
Saliva is a readily accessible and inexpensive biological specimen that enables investigation of the oral microbiome, which can serve as a biomarker of oral and systemic health. There are two routine approaches to collect saliva, stimulated and unstimulated; however, there is no consensus on how sampling method influences oral microbiome metrics. In this study, we analyzed paired saliva samples (unstimulated and stimulated) from 88 individuals, aged 7-18 years. Using 16S rRNA gene sequencing, we investigated the differences in bacterial microbiome composition between sample types and determined how sampling method affects the distribution of taxa associated with untreated dental caries and gingivitis. Our analyses indicated significant differences in microbiome composition between the sample types. Both sampling methods were able to detect significant differences in microbiome composition between healthy subjects and subjects with untreated caries. However, only stimulated saliva revealed a significant association between microbiome diversity and composition in individuals with diagnosed gingivitis. Furthermore, taxa previously associated with dental caries and gingivitis were preferentially enriched in individuals with each respective disease only in stimulated saliva. Our study suggests that stimulated saliva provides a more nuanced readout of microbiome composition and taxa distribution associated with untreated dental caries and gingivitis compared to unstimulated saliva.
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Affiliation(s)
- Cristian Roca
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Alaa A. Alkhateeb
- Department of Dental Health Sciences, School of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
- Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, Washington, United States of America
| | - Bryson K. Deanhardt
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Jade K. Macdonald
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Donald L. Chi
- Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, Washington, United States of America
- Department of Health Systems and Population Health, School of Public Health, University of Washington, Seattle, Washington, United States of America
| | - Jeremy R. Wang
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Matthew C. Wolfgang
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
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Varma S, Thomas B, Subrahmanyam K, Duarte K, Alsaegh MA, Gopinath D, Kuriadom ST, Narayanan J, Desai VB, Khair AMB, Afrashtehfar KI. Salivary levels of inflammatory and anti-inflammatory biomarkers in periodontitis patients with and without acute myocardial infarction: implications for cardiovascular risk assessment. FRONTIERS IN ORAL HEALTH 2024; 5:1332980. [PMID: 38433948 PMCID: PMC10904480 DOI: 10.3389/froh.2024.1332980] [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: 11/04/2023] [Accepted: 01/30/2024] [Indexed: 03/05/2024] Open
Abstract
Background Periodontitis is initiated by a dysbiotic activity and furthermore leads to a chronic inflammatory response. The presence of pro-inflammatory markers plays an important role in the inflammatory load. Macrophage inflammatory protein-1 alpha (MIP-1α) and C-reactive protein (CRP) are pro- inflammatory biomarkers that quantify clinical and subclinical inflammation in cardiac ischemia in cardiac inflammation and disease. Adiponectin is an anti-inflammatory marker associated with good health. The susceptibility of periodontitis patients to cardiovascular events needs to be evaluated. Objective This study aims to assess the levels of biomarkers in periodontitis patients with and without acute myocardial infarction (AMI) compared to controls. Material and methods Pro-inflammatory and anti-inflammatory analytes were examined by collecting unstimulated saliva from three groups (n = 20/each): healthy individuals, individuals with stage III periodontitis, and post-myocardial infarction patients with stage III periodontitis. The samples were collected within 48 h of AMI. Results Adiponectin levels were significantly lower in patients with periodontitis with and without AMI compared to controls, while CRP and MIP-1α were significantly higher in patients with periodontitis with and without AMI compared to controls. The highest titers for MIP-1α and CRP were detected among patients with periodontitis with and AMI. Conclusion Our study provides possible evidence of the association between periodontitis and salivary analytes that occur in tandem with cardiovascular disease. The lower levels of Adiponectin and higher levels of CRP and MIP-1α in patients with periodontitis indicate that this condition is a potential risk factor for cardiovascular disease. The findings emphasize the importance of early detection and intervention for periodontitis patients to prevent cardiovascular events.
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Affiliation(s)
- Sudhir Varma
- Department of Clinical Sciences, Ajman University, Ajman, United Arab Emirates
| | - Biju Thomas
- AB Shetty Memorial Institute of Dental Sciences, Mangalore, India
- NITTE (Deemed to be University), Mangalore, India
| | - K. Subrahmanyam
- NITTE (Deemed to be University), Mangalore, India
- K.S. Hegde Hospital, Mangalore, India
| | - Kimberly Duarte
- AB Shetty Memorial Institute of Dental Sciences, Mangalore, India
- K.S. Hegde Hospital, Mangalore, India
| | - Mohammed A. Alsaegh
- College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Divya Gopinath
- Department of Basic Sciences, Ajman University, Ajman, United Arab Emirates
| | - Sam T. Kuriadom
- Department of Clinical Sciences, Ajman University, Ajman, United Arab Emirates
| | - Jayaraj Narayanan
- Department of Basic Sciences, Ajman University, Ajman, United Arab Emirates
| | - Vijay B. Desai
- Department of Clinical Sciences, Ajman University, Ajman, United Arab Emirates
| | | | - Kelvin I. Afrashtehfar
- Department of Clinical Sciences, Ajman University, Ajman, United Arab Emirates
- Bern Center for Precision Medicine, Medical School, University of Bern, Bern, Switzerland
- Department of Orthodontics, University Hospital RWTH Aachen, Aachen, Germany
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Pazhani J, Chanthu K, Jayaraman S, Varun BR. Evaluation of salivary MMP-9 in oral squamous cell carcinoma and oral leukoplakia using ELISA. J Oral Maxillofac Pathol 2023; 27:649-654. [PMID: 38304520 PMCID: PMC10829443 DOI: 10.4103/jomfp.jomfp_426_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 10/21/2023] [Accepted: 11/08/2023] [Indexed: 02/03/2024] Open
Abstract
Background Cancer of the lip and the oral cavity is collectively the sixth most common malignancy worldwide, out of which 90% are oral squamous cell carcinomas (OSCCs). Oral cancer survival rates depend mainly upon the stage in which it is diagnosed. Successful early detection would eventually increase the survival rate. OSCCs may be preceded by potentially malignant disorders (PMDs) that are characterised by visible clinical changes in the oral mucosa. Correct diagnosis and timely treatment of PMDs may help prevent malignant transformation in oral lesions. Oral leukoplakia (OL) is the best known potentially malignant disorder of the oral mucosa with a malignant transformation rate of about 3% to 33%. Tumour markers in saliva have emerged as a new diagnostic tool in the early detection of oral cancer. Matrix metalloproteinase 9 (MMP-9) is a gelatinase which plays an important role in tumourogenisis. The present study was done to evaluate the salivary levels of MMP-9 in OSCC and oral leukoplakia patients using enzyme-linked immunosorbent assay (ELISA). Materials and Methods The study was conducted among 102 subjects, which included 34 OSCC patients (group I), 34 OL patients (group II), and 34 healthy subjects (group III). Unstimulated saliva was collected by the passive drooling method from all the study subjects during the study period, centrifuged, and stored at -80°C. The salivary MMP-9 was estimated in mg/ml using the sandwich ELISA technique. The data were analysed using a statistical software package, EZR. One-way analysis of variance was used for the comparison of salivary MMP-9 levels in OSCC, OL, and normal oral mucosa. Scheffe's multiple comparison was carried out to compare salivary MMP-9 levels among the different histological grades of OSCC and oral epithelial dysplasia. For all statistical interpretations, P ≤ 0.0 was considered the threshold for statistical significance. Results and Conclusion The mean salivary MMP-9 level in OSCC, OL, and normal oral mucosa was 50.9 ± 5.7 ng/ml, 31.6 ± 6 ng/ml, and 16.2 ± 4.8 ng/ml, respectively. Patients with OSCC had significantly higher levels of salivary MMP-9 when compared to OL and normal mucosa. Higher levels of salivary MMP-9 were observed in poorly differentiated OSCC when compared to well and moderately differentiated OSCCs. The salivary MMP-9 was higher in severe oral epithelial dysplasia when compared to mild and moderate oral epithelial dysplasias. As malignant transformation rates are higher in patients with severe oral epithelial dysplasia when compared to mild and moderate oral epithelial dysplasia, salivary MMP-9 could be considered as a surrogate marker of malignant transformation.
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Affiliation(s)
- Jayanthi Pazhani
- Department of Oral Pathology, Azeezia College of Dental Sciences and Research, Kollam, Kerala, India
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
| | - Krishnasree Chanthu
- Department of Oral Pathology, Azeezia College of Dental Sciences and Research, Kollam, Kerala, India
| | - Selvaraj Jayaraman
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
| | - B. R. Varun
- Department of Oral Pathology, PMS College of Dental Sciences and Research, Trivandrum, Kerala, India
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Seniya KM, Baiju KV, Ambili R. Evaluation of salivary glycated albumin in periodontitis patients with and without type 2 diabetes mellitus and its changes with non-surgical periodontal therapy. Niger J Clin Pract 2023; 26:1257-1263. [PMID: 37794537 DOI: 10.4103/njcp.njcp_503_22] [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] [Indexed: 10/06/2023]
Abstract
Background Bidirectional relationship exists between diabetes mellitus and periodontitis. Glycated albumin is an emerging biomarker to assess intermediate glycemic control. Salivary glycated albumin has not been evaluated in periodontitis. Aim The aim of the study was to compare salivary glycated albumin in periodontitis patients with and without diabetes mellitus before and after periodontal therapy. Materials and Methods This comparative cross-sectional study was conducted in the Department of Periodontics. Ninety subjects (mean age 41.8 ± 6.82) were categorized into three groups. Clinical examination and saliva sample collection were done at baseline and 4 weeks after scaling and root debridement. Salivary glycated albumin levels were estimated using an enzyme-linked immunosorbent assay. One-way analysis of variance with post hoc test and paired t-test was done for inter- and intra-group comparison. The optimal cut-off value was calculated using the receiver operating characteristic curve and by maximization of the Youden index. Results Mean salivary glycated albumin was the highest in diabetic patients followed by non-diabetic periodontitis patients and least in healthy controls. All the intergroup comparisons were significant. A cut-off value of 72.19 ng/ml of salivary glycated albumin could predict diabetic status with a sensitivity and specificity of 75%. Salivary glycated albumin was significantly reduced in a similar manner in both groups after periodontal therapy (19.4% and 18.5%). Conclusion Periodontitis patients with diabetes mellitus were presented with the highest salivary glycated albumin. Non-surgical periodontal therapy resulted in a similar reduction of salivary glycated albumin in periodontitis with and without diabetes mellitus.
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Affiliation(s)
- K M Seniya
- Department of Periodontics, PMS College of Dental Sciences and Research, Trivandrum, Kerala, India
| | - K V Baiju
- Department of Statistics, Government college for women, Trivandrum, Kerala, India
| | - R Ambili
- Department of Periodontics, PMS College of Dental Sciences and Research, Trivandrum, Kerala, India
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Villoslada-Blanco P, Pérez-Matute P, Recio-Fernández E, Íñiguez M, Blanco-Navarrete P, Metola L, Ibarra V, Alba J, de Toro M, Oteo JA. Beyond the effects of HIV infection and integrase inhibitors-based therapies on oral bacteriome. Sci Rep 2023; 13:14327. [PMID: 37653055 PMCID: PMC10471600 DOI: 10.1038/s41598-023-41434-5] [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: 03/20/2023] [Accepted: 08/26/2023] [Indexed: 09/02/2023] Open
Abstract
Oral microbiome is the second largest microbial community in humans after gut. Human immunodeficiency virus (HIV) infection triggers an impairment of the immune system which could favour the growth and the colonization of pathogens in the oral cavity, and this dysbiosis has been associated with oral manifestations that worsen the quality of life of these patients. Antiretroviral therapy (ART) could also drive changes in specific oral bacterial taxa associated with such periodontal diseases. Integrase strand transfer inhibitors (INSTIs), therapy of choice in the treatment of naive HIV-patients, are able to reverse the impact of HIV infection on systemic inflammation, gut permeability, and gut bacterial diversity/richness. The objective of this study was to analyse the effects of HIV infection per se and INSTIs on salivary bacteriome composition, taking into consideration other factors such as smoking, that could also have a significant impact on oral microbiome. To accomplish this objective, 26 non-HIV-infected volunteers and 30 HIV-infected patients (15 naive and 15 under INSTIs-regimen) were recruited. Salivary samples were collected to measure lysozyme levels. Oral bacteriome composition was analysed using 16S rRNA gene sequencing. Naive HIV-infected patients showed statistically higher levels of lysozyme compared to controls (p < 0.001) and INSTIs-treated patients (p < 0.05). Our study was unable to detect differences in α nor β-diversity among the three groups analysed, although significant differences in the abundance of some bacterial taxonomical orders were detected (higher abundance in the phylum Pseudomonadota, in the order Acholeplasmatales, and in the genera Ezakiella and Acholeplasma in the naive group compared to controls; and higher abundance in the phylum Mycoplasmatota, in the order Acholeplasmatales, and in the genera Acholeplasma and uncultured Eubacteriaceae bacterium in the INTIs-treated HIV-infected patients compared to controls). These differences seem to be partially independent of smoking habit. HIV infection and INSTIs effects on oral microbiota seem not to be very potent, probably due to the modulation of other factors such as smoking and the greatest outward exposure of the oral cavity.
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Affiliation(s)
- Pablo Villoslada-Blanco
- Infectious Diseases, Microbiota and Metabolism Unit, Infectious Diseases Department, Center for Biomedical Research of La Rioja (CIBIR), C/Piqueras 98, CIBIR Building, Third Floor, 26006, Logroño, La Rioja, Spain
| | - Patricia Pérez-Matute
- Infectious Diseases, Microbiota and Metabolism Unit, Infectious Diseases Department, Center for Biomedical Research of La Rioja (CIBIR), C/Piqueras 98, CIBIR Building, Third Floor, 26006, Logroño, La Rioja, Spain.
| | - Emma Recio-Fernández
- Infectious Diseases, Microbiota and Metabolism Unit, Infectious Diseases Department, Center for Biomedical Research of La Rioja (CIBIR), C/Piqueras 98, CIBIR Building, Third Floor, 26006, Logroño, La Rioja, Spain
| | - María Íñiguez
- Infectious Diseases, Microbiota and Metabolism Unit, Infectious Diseases Department, Center for Biomedical Research of La Rioja (CIBIR), C/Piqueras 98, CIBIR Building, Third Floor, 26006, Logroño, La Rioja, Spain
| | | | - Luis Metola
- Infectious Diseases Department, Hospital Universitario San Pedro, Logroño, La Rioja, Spain
| | - Valvanera Ibarra
- Infectious Diseases Department, Hospital Universitario San Pedro, Logroño, La Rioja, Spain
| | - Jorge Alba
- Infectious Diseases Department, Hospital Universitario San Pedro, Logroño, La Rioja, Spain
| | - María de Toro
- Genomics and Bioinformatics Platform, Center for Biomedical Research of La Rioja (CIBIR), Logroño, La Rioja, Spain
| | - José A Oteo
- Infectious Diseases, Microbiota and Metabolism Unit, Infectious Diseases Department, Center for Biomedical Research of La Rioja (CIBIR), C/Piqueras 98, CIBIR Building, Third Floor, 26006, Logroño, La Rioja, Spain
- Infectious Diseases Department, Hospital Universitario San Pedro, Logroño, La Rioja, Spain
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Abed NT, Behiry EG, El-Aty BFA. The Role of Salivary C-Reactive Protein in Diagnosis of Neonatal Sepsis. JOURNAL OF NEONATOLOGY 2023; 37:31-37. [DOI: 10.1177/09732179231151757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Background Neonatal sepsis remains one of the leading causes of morbidity and mortality among neonates. Objective to evaluate the role of salivary C-reactive protein (CRP) as a diagnostic marker in neonatal sepsis. Methods This case-control study was carried out on 90 neonates including 45 neonates with symptoms and signs suggestive of neonatal sepsis and 45 healthy neonates as controls. All neonates were subjected to full history taking, thorough clinical examination, laboratory investigations including complete blood count (CBC), serum CRP, blood culture, and salivary CRP. Results Septic neonates showed significantly higher salivary CRP compared to controls; it was significantly associated with positive serum CRP, blood culture, and hematological scoring system (HSS). It was significantly higher in neonates who died compared to those who survived. Twenty one cases with positive salivary CRP showed significant positive correlations with the length of the neonatal intensive care unit stay, total white blood cell (WBC) count, mean platelet volume (MPV), neutrophils to lymphocytes ratio (NLR), serum CRP, HSS, significant negative correlations with gestational age, birth weight, APGAR at 1, 5 min, and platelet count. Receiver operating characteristic (ROC) curve for salivary CRP showed that at cut-off value of 0.135 mg/L, the sensitivity was (81.8%) and the specificity was (75.6%) for detecting neonatal sepsis. Conclusion Salivary CRP was significantly higher in the septic group, and was associated with positive serum CRP. Hence, salivary CRP could be considered a novel non-invasive biomarker for diagnosing neonatal sepsis.
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Affiliation(s)
- Neveen Tawfik Abed
- Pediatric Department, Faculty of Medicine, Benha University, Benha, Al Qalyubia Governorate, Egypt
| | - Eman Gamal Behiry
- Clinical and Chemical Pathology Department, Faculty of Medicine, Benha University, Benha, Al Qalyubia Governorate, Egypt
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Updates and Original Case Studies Focused on the NMR-Linked Metabolomics Analysis of Human Oral Fluids Part II: Applications to the Diagnosis and Prognostic Monitoring of Oral and Systemic Cancers. Metabolites 2022; 12:metabo12090778. [PMID: 36144183 PMCID: PMC9505390 DOI: 10.3390/metabo12090778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/12/2022] [Accepted: 08/15/2022] [Indexed: 11/24/2022] Open
Abstract
Human saliva offers many advantages over other biofluids regarding its use and value as a bioanalytical medium for the identification and prognostic monitoring of human diseases, mainly because its collection is largely non-invasive, is relatively cheap, and does not require any major clinical supervision, nor supervisory input. Indeed, participants donating this biofluid for such purposes, including the identification, validation and quantification of surrogate biomarkers, may easily self-collect such samples in their homes following the provision of full collection details to them by researchers. In this report, the authors have focused on the applications of metabolomics technologies to the diagnosis and progressive severity monitoring of human cancer conditions, firstly oral cancers (e.g., oral cavity squamous cell carcinoma), and secondly extra-oral (systemic) cancers such as lung, breast and prostate cancers. For each publication reviewed, the authors provide a detailed evaluation and critical appraisal of the experimental design, sample size, ease of sample collection (usually but not exclusively as whole mouth saliva (WMS)), their transport, length of storage and preparation for analysis. Moreover, recommended protocols for the optimisation of NMR pulse sequences for analysis, along with the application of methods and techniques for verifying and resonance assignments and validating the quantification of biomolecules responsible, are critically considered. In view of the authors’ specialisms and research interests, the majority of these investigations were conducted using NMR-based metabolomics techniques. The extension of these studies to determinations of metabolic pathways which have been pathologically disturbed in these diseases is also assessed here and reviewed. Where available, data for the monitoring of patients’ responses to chemotherapeutic treatments, and in one case, radiotherapy, are also evaluated herein. Additionally, a novel case study featured evaluates the molecular nature, levels and diagnostic potential of 1H NMR-detectable salivary ‘acute-phase’ glycoprotein carbohydrate side chains, and/or their monomeric saccharide derivatives, as biomarkers for cancer and inflammatory conditions.
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Li Z, Mu Y, Guo C, You X, Liu X, Li Q, Sun W. Analysis of the saliva metabolic signature in patients with primary Sjögren’s syndrome. PLoS One 2022; 17:e0269275. [PMID: 35653354 PMCID: PMC9162338 DOI: 10.1371/journal.pone.0269275] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 05/17/2022] [Indexed: 11/18/2022] Open
Abstract
Background
The saliva metabolome has been applied to explore disease biomarkers. In this study we characterized the metabolic profile of primary Sjögren’s syndrome (pSS) patients and explored metabolomic biomarkers.
Methods
This work presents a liquid chromatography-mass spectrometry-based metabolomic study of the saliva of 32 patients with pSS and 38 age- and sex-matched healthy adults. Potential pSS saliva metabolite biomarkers were explored using test group saliva samples (20 patients with pSS vs. 25 healthy adults) and were then verified by a cross-validation group (12 patients with pSS vs. 13 healthy adults).
Results
Metabolic pathways, including tryptophan metabolism, tyrosine metabolism, carbon fixation, and aspartate and asparagine metabolism, were found to be significantly regulated and related to inflammatory injury, neurological cognitive impairment and the immune response. Phenylalanyl-alanine was discovered to have good predictive ability for pSS, with an area under the curve (AUC) of 0.87 in the testing group (validation group: AUC = 0.75).
Conclusion
Our study shows that salivary metabolomics is a useful strategy for differential analysis and biomarker discovery in pSS.
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Affiliation(s)
- Zhen Li
- Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Yue Mu
- Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Chunlan Guo
- Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Xin You
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiaoyan Liu
- Core Facility of Instrument, Chinese Academy of Medical Sciences, School of Basic Medicine, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Qian Li
- Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- * E-mail: (QL); (WS)
| | - Wei Sun
- Core Facility of Instrument, Chinese Academy of Medical Sciences, School of Basic Medicine, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
- * E-mail: (QL); (WS)
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Sembler-Møller ML, Belstrøm D, Locht H, Pedersen AML. Combined serum anti-SSA/Ro and salivary TRIM29 reveals promising high diagnostic accuracy in patients with primary Sjögren's syndrome. PLoS One 2021; 16:e0258428. [PMID: 34624052 PMCID: PMC8500413 DOI: 10.1371/journal.pone.0258428] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 09/27/2021] [Indexed: 11/18/2022] Open
Abstract
Objectives To determine the diagnostic potential of simultaneous presence of serum anti-SSA/Ro and upregulated salivary protein biomarkers in patients with primary Sjögren’s syndrome (pSS). Methods Previous proteomics data on the intensity of neutrophil elastase, calreticulin, tripartite motif containing protein 29 (TRIM29), clusterin and vitronectin provided basis for performing extended analysis. Protein data was obtained by liquid chromatography tandem mass spectrometry technique in whole saliva from 24 patients with pSS and 16 patients having symptoms of pSS, but not fulfilling the American College of Rheumatology/European League against Rheumatism classification criteria (non-pSS). Serum anti-SSA/Ro antibody was measured using enzyme-linked immunosorbent assays. Receiver operating characteristic curve (ROC) value was calculated for combined biomarkers. Results Simultaneous presence of serum anti-SSA/Ro and upregulated salivary TRIM29 provided the most optimal combination with an area under curve (AUC) of 0.995 (95% CI 0.98–1.00, p = 2.0E-7 and standard error 0.007) and combinations of sensitivity and specificity within the interval of 91–100%. ROC analysis showed that salivary levels of TRIM29 alone enabled differentiation between pSS and non-pSS with an area under curve (AUC) of 0.88 (95%CI 0.77–1.00). All patients with pSS and 3 non-pSS patients were serum anti-SSA/Ro positive. Conclusions Simultaneous presence of serum anti-SSA/Ro and upregulated salivary TRIM29 provided a high diagnostic accuracy exceeding that of currently available tools used in pSS diagnostics. This biomarker combination represents a promising less invasive diagnostic tool for pSS. The clinical applicability of TRIM29 needs further testing in independent cohorts using relevant analytical techniques.
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Affiliation(s)
- Maria L. Sembler-Møller
- Faculty of Health and Medical Sciences, Department of Odontology, Section for Oral Biology and Immunopathology, University of Copenhagen, Copenhagen, Denmark
- * E-mail:
| | - Daniel Belstrøm
- Faculty of Health and Medical Sciences, Department of Odontology, Section for Clinical Oral Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Henning Locht
- Department of Rheumatology, Frederiksberg Hospital, Frederiksberg, Denmark
| | - Anne Marie L. Pedersen
- Faculty of Health and Medical Sciences, Department of Odontology, Section for Oral Biology and Immunopathology, University of Copenhagen, Copenhagen, Denmark
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11
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The potential of salivary biomarkers of nutritional status and dietary intake: A Systematic Review. J Dent 2021; 115:103840. [PMID: 34624418 DOI: 10.1016/j.jdent.2021.103840] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 09/24/2021] [Accepted: 09/29/2021] [Indexed: 10/20/2022] Open
Abstract
OBJECTIVES To explore whether nutritional salivary biomarkers could be used to aid nutritional status assessment and/or support traditional dietary assessment methods for patients. DATA AND SOURCES Searches were performed using four electronic databases; MEDLINE, EMBASE, Scopus and Web of Science. Trial registers (i.e. Cochrane), grey literature and reference lists were searched. STUDY SELECTION Studies which measured nutritional salivary biomarkers related to nutritional status and/or dietary intake outcome were included. No restrictions on participants' age, study design, publication date, setting or health status. Animal studies, non-English language studies, commentaries, and conference abstracts were excluded. RESULTS Study titles and abstracts were screened (n = 7982), full-texts assessed (n = 176) and 85 studies were included in a narrative synthesis. The most promising salivary biomarkers for nutritional status included: glucose, where saliva and serum levels were positively correlated in those with type 2 diabetes (T2D), higher salivary calcium levels in post-menopausal women in general and specifically those with lower bone mineral density (BMD), and salivary vitamin D to assess vitamin D status in healthy volunteers. Higher salivary total antioxidant capacity (TAC), nitrate/nitrite and fluoride were observed with increased antioxidant, nitrate/nitrite and fluoride dietary intake, respectively. A meta-analysis found significantly higher mean salivary glucose (n = 12) in T2D compared with healthy controls, but there was substantial heterogeneity (I2=94%) and evidence of publication bias. CONCLUSIONS The most promising salivary biomarkers identified in this systematic review were, glucose, vitamin D, calcium, TAC, nitrate/nitrite and fluoride. However, this was based on a small number of studies of varying quality, with many lacking a salivary assay performance assessment. CLINICAL SIGNIFICANCE At present, nutritional salivary biomarkers cannot be used alone to assess nutritional status or dietary intake. Further research into the most promising nutritional salivary biomarkers is required.
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12
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Wang M, Zhang L, Ren W, Li S, Zhi K, Zheng J, Gao L. Diagnostic Value of CircRNAs as Potential Biomarkers in Oral Squamous Cell Carcinoma: a Meta-Analysis. Front Oncol 2021; 11:693284. [PMID: 34307158 PMCID: PMC8295991 DOI: 10.3389/fonc.2021.693284] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 06/22/2021] [Indexed: 12/20/2022] Open
Abstract
Introduction Circular RNAs (CircRNAs), an emerging non-coding RNA, have been demonstrated to be involved in tumorigenesis, metastasis, and cancer progression, and could represent novel potential biomarkers for diagnosing oral squamous cell carcinoma (OSCC). However, no meta-analysis has investigated the diagnostic role of circRNAs in OSCC. Hence, to investigate whether circRNAs could serve as specific biomarkers for OSCC, the present systematic review and meta-analysis evaluated the diagnostic efficiency of circRNAs in patients with OSCC. Materials and Methods A thorough search of online databases (Pubmed, Web of Science, Embase, and the Cochrane Library) was conducted to collect relevant studies up to March 30th, 2021. All eligible studies were case-control studies. The quality of each study was evaluated by the Quality Assessment of Diagnostic Accuracy Studies-2 (QUADAS-2) tool. STATA (version 15.1) and Review Manager (version 5.4) were employed to conduct the meta-analysis, and the PRISMA statement was adopted in this study. Results A total of 16 studies were included in the meta-analysis, with five studies on upregulated circRNAs, and 11 on downregulated circRNAs. The enrolled studies that met our eligibility criteria all derived from China. The pooled sensitivity (SEN), specificity (SPE), diagnostic odds ratio (DOR), positive likelihood ratio (PLR), negative likelihood ratio (NLR), and the area under receiver operating characteristics curve (AUC) with the 95% confidence intervals (95% CIs) were 0.74 (0.69–0.79), 0.79 (0.73–0.84), 10.74 (7.81–14.77), 3.50 (2.78–4.45), 0.33 (0.27–0.39) and 0.83 (0.79–0.86), respectively. The subgroup analysis demonstrated that serum, plasma, and saliva specimens had a better diagnostic performance than tissue samples, with a high value of sensitivity, specificity, DOR, and AUC values. The results also showed that the subgroups of upregulated circRNAs and a sample size of ≥100 manifested higher specificity, DOR, and AUC for cancer detection than downregulated circRNAs and a sample size of < 100. Conclusions A strong association was demonstrated between the dysregulated expression of circRNAs and the diagnosis of OSCC. Hence, circRNAs have the potential to function as promising biomarkers and therapeutic targets for OSCC. Systematic Review Registration PROSPERO, number CRD42021256857.
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Affiliation(s)
- Mingfei Wang
- School of Stomatology, Qingdao University, Qingdao, China
| | - Linfeng Zhang
- School of Stomatology, Qingdao University, Qingdao, China
| | - Wenhao Ren
- Department of Oral and Maxillofacial Surgery, Key Laboratory of Oral Clinical Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shaoming Li
- Department of Oral and Maxillofacial Surgery, Key Laboratory of Oral Clinical Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Keqian Zhi
- Department of Oral and Maxillofacial Surgery, Key Laboratory of Oral Clinical Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jingjing Zheng
- Department of Endodontics, Key Laboratory of Oral Clinical Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Ling Gao
- Department of Oral and Maxillofacial Surgery, Key Laboratory of Oral Clinical Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
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Sagredo-Olivares K, Morales-Gómez C, Aitken-Saavedra J. Evaluation of saliva as a complementary technique to the diagnosis of COVID-19: a systematic review. Med Oral Patol Oral Cir Bucal 2021; 26:e526-e532. [PMID: 33609022 PMCID: PMC8254882 DOI: 10.4317/medoral.24424] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 02/01/2021] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Infectious disease coronavirus 2019 (COVID-19) is caused by the SARS-CoV-2 virus, and it mainly affects the upper respiratory tract. The gold standard for its diagnosis is real-time reverse transcription polymerase chain reaction (RT-qPCR) performed on a nasopharyngeal swab. In contrast, testing saliva has significant advantages as a diagnostic method. MATERIAL AND METHODS We searched for articles evaluating saliva as a diagnostic method for COVID-19 on the PUBMED/MEDLINE, WEB OF SCIENCE, COCHRANE, and SCIELO platforms. We initially found 233 articles and 20 were selected for inclusion following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses protocol: 18 cross-sectional studies and 2 case reports, including 8 from America, 8 from Asia, and 4 from Europe. The studies evaluated the presence of viral RNA, IgG, IgM, and IgA in samples of unstimulated saliva from adults with confirmed or suspected COVID-19. The vast majority of the studies performed RT-qPCR on the saliva samples and compared the results with the gold standard (a nasopharyngeal swab of the same patient). RESULTS Saliva samples analyzed by RT-qPCR, reverse transcription isothermal amplification (RT-LAMP), spectroscopy, and enzyme-linked immunosorbent assay (ELISA) offer high sensitivity to detect SARS-CoV-2 in the early stages of the disease and among asymptomatic patients as compared to nasopharyngeal swab RT-qPCR. In addition, the self-collection of saliva offers the possibility of receiving telemedicine instructions to carry out the test, reducing the risk of contagion. CONCLUSIONS The diagnosis of COVID-19 through saliva is sensitive, non-invasive, and is of low risk for the healthcare professionals. However, further studies are recommended to validate its clinical use.
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Ishikawa S, Ishizawa K, Tanaka A, Kimura H, Kitabatake K, Sugano A, Edamatsu K, Ueda S, Iino M. Identification of Salivary Proteomic Biomarkers for Oral Cancer Screening. In Vivo 2021; 35:541-547. [PMID: 33402507 DOI: 10.21873/invivo.12289] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 10/29/2020] [Accepted: 10/30/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND/AIM The current study aimed to identify biomarkers for differentiating between patients with oral cancer (OC) and healthy controls (HCs) on the basis of the comprehensive proteomic analyses of saliva samples by using liquid chromatography-mass spectrometry (LC-MS/MS). PATIENTS AND METHODS Unstimulated saliva samples were collected from 39 patients with OC and from 31 HCs. Proteins in the saliva were comprehensively analyzed using LC-MS/MS. To differentiate between patients with OC and HCs, a multiple logistic regression model was developed for evaluating the discriminatory ability of a combination of multiple markers. RESULTS A total of 23 proteins were significantly differentially expressed between the patients with OC and the HCs. Six out of the 23 proteins, namely α-2-macroglobulin-like protein 1, cornulin, hemoglobin subunit β, Ig k chain V-II region Vk167, kininogen-1 and transmembrane protease serine 11D, were selected using the forward-selection method and applied to the multiple logistic regression model. The area under the curve for discriminating between patients with OC and HCs was 0.957 when the combination of the six metabolites was used (95% confidence interval=0.915-0.998; p<0.001). Furthermore, these candidate proteins did not show a stage-specific difference. CONCLUSION The results of the current study showed that six salivary proteins are potential non-invasive biomarkers for OC screening.
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Affiliation(s)
- Shigeo Ishikawa
- Department of Dentistry, Oral and Maxillofacial Plastic and Reconstructive Surgery, Faculty of Medicine, Yamagata University, Yamagata, Japan;
| | - Kenichi Ishizawa
- Department of Neurology, Hematology, Metabolism, Endocrinology and Diabetology, Faculty of Medicine, Yamagata University, Yamagata, Japan
| | - Atsushi Tanaka
- Pharmaceutical Sciences, Graduate School of Medical Science, Yamagata University, Yamagata, Japan.,Institute for Promotion of Medical Science Research, Faculty of Medicine, Yamagata University, Yamagata, Japan
| | - Hirohito Kimura
- Institute for Promotion of Medical Science Research, Faculty of Medicine, Yamagata University, Yamagata, Japan
| | | | - Ayako Sugano
- Department of Dentistry, Oral and Maxillofacial Plastic and Reconstructive Surgery, Faculty of Medicine, Yamagata University, Yamagata, Japan
| | - Kaoru Edamatsu
- Department of Dentistry, Oral and Maxillofacial Plastic and Reconstructive Surgery, Faculty of Medicine, Yamagata University, Yamagata, Japan
| | - Shohei Ueda
- Department of Dentistry, Oral and Maxillofacial Plastic and Reconstructive Surgery, Faculty of Medicine, Yamagata University, Yamagata, Japan
| | - Mitsuyoshi Iino
- Department of Dentistry, Oral and Maxillofacial Plastic and Reconstructive Surgery, Faculty of Medicine, Yamagata University, Yamagata, Japan
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de-Sousa ET, Lima-Holanda AT, Nobre-Dos-Santos M. Carbonic anhydrase VI activity in saliva and biofilm can predict early childhood caries: A preliminary study. Int J Paediatr Dent 2021; 31:361-371. [PMID: 32815217 DOI: 10.1111/ipd.12717] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 06/05/2020] [Accepted: 07/29/2020] [Indexed: 01/20/2023]
Abstract
AIM This study aimed to investigate whether carbonic anhydrase VI activity (CA VIACT ), pH, and buffering capacity (BC) in saliva and biofilm could predict the number of lesion occurrence and early childhood caries (ECC). DESIGN A cross-sectional study was performed in a sample of 44 children aged 4 to 5 years who were examined regarding their caries status (dmfs + active white spot lesions-WSL) and allocated into two groups: ECC and caries-free (CF). Saliva and biofilm were collected to determine pH, BC, and CA VIACT . Data were analyzed using the Student t test, and multiple linear regression and logistic regression analyses followed by the ROC curve. RESULTS Children with ECC exhibited lower pH and BC in saliva and a higher CA VIACT in both saliva and biofilm. Only saliva pH could predict the dmfs + active WSL. In biofilm, if CA VIACT is increased by one pixel/µg, 0.85 ± 0.28 increase is expected in the number of active WSL. Salivary pH and CA VIACT in saliva and biofilm had the power to predict ECC occurrence. CONCLUSION Changes in saliva pH and CA VIACT in biofilm predicted the number of lesion occurrence. Furthermore, CA VIACT in both saliva and biofilm can predict propensity for ECC.
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Affiliation(s)
- Emerson Tavares de-Sousa
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, University of Campinas-UNICAMP, Piracicaba-SP, Brazil
| | - Aline Tavares Lima-Holanda
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, University of Campinas-UNICAMP, Piracicaba-SP, Brazil
| | - Marinês Nobre-Dos-Santos
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, University of Campinas-UNICAMP, Piracicaba-SP, Brazil
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Chiamulera MMA, Zancan CB, Remor AP, Cordeiro MF, Gleber-Netto FO, Baptistella AR. Salivary cytokines as biomarkers of oral cancer: a systematic review and meta-analysis. BMC Cancer 2021; 21:205. [PMID: 33639868 PMCID: PMC7912500 DOI: 10.1186/s12885-021-07932-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 02/18/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Oral cancer (OC) is usually diagnosed at advanced clinical stages due to its asymptomatic nature and absence of pathognomonic signs in its early development phase. Delayed diagnosis is one of the major causes of OC treatment failure and poor prognosis. Development of alternative diagnostic approaches are imperative for improving early detection and therapeutic success rates. Salivary cytokines (SC) have been studied as potential diagnostic biomarkers for OC and may represent a potential tool for improvement of its early detection. METHODS In this systematic review and meta-analysis we identified SC studied as OC biomarkers by systematically reviewing the PubMed and Cochrane Library databases using the terms: "oral cancer", "cytokine", and "saliva", and also combined with "interleukin" or "interferon". Only case-control studies that measured SC by ELISA from treatment naïve patients were included in the qualitative review. For the meta-analysis were included all comparable studies that provided enough data (sample size, mean and standard deviation or standard error of the mean) for SC levels in OC patients, non-cancer controls and patients with oral potentially malignant disorders (OPMD), including leukoplakia. Comparisons with patients with oral lichen planus (OLP) and gingivitis were included in the qualitative analysis. RESULTS A total of 28 articles (from 2004 to 2018) were included in the systematic review, describing 10 different SC, being IL-8 and IL-6 the most studied ones. SC levels were consistently higher among OC patients when compared to healthy controls and to patients with OPMD, OLP and gingivitis. Meta-analysis including 23 eligible studies showed that IL-8, IL-6, TNF-α, IL-1β and IL-10 salivary levels were significantly higher in OC patients compared to controls; and that IL-8, IL-6, TNF-α and IL-1β salivary levels were also higher in OC patients compared to individuals with OPMD. When compared to healthy controls, OPMD patients showed significantly higher IL-6 and TNF-α salivary levels. CONCLUSIONS Our analyses showed that the salivary levels of some cytokines are consistently different among OC, OPMD and healthy patients, indicating that these SC may represent potential diagnostic biomarkers for OC and OPMD. Despite of that, SC levels were highly variable among studies, suggesting that further technical improvement and standardization for SC measurement by ELISA is needed in order to successfully translate these biomarkers to the clinical practice.
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Affiliation(s)
- Mayara Martina Abatti Chiamulera
- Universidade do Oeste de Santa Catarina (UNOESC), Joacaba, SC, Brazil
- Programa de Pos-Graduacao em Biociencias e Saude/Universidade do Oeste de Santa Catarina, Joacaba, SC, Brazil
- Hospital Universitario Santa Terezinha, Joacaba, SC, Brazil
| | - Caroline Biazzolo Zancan
- Universidade do Oeste de Santa Catarina (UNOESC), Joacaba, SC, Brazil
- Programa de Pos-Graduacao em Biociencias e Saude/Universidade do Oeste de Santa Catarina, Joacaba, SC, Brazil
| | - Aline Pertile Remor
- Universidade do Oeste de Santa Catarina (UNOESC), Joacaba, SC, Brazil
- Programa de Pos-Graduacao em Biociencias e Saude/Universidade do Oeste de Santa Catarina, Joacaba, SC, Brazil
| | - Marcos Freitas Cordeiro
- Universidade do Oeste de Santa Catarina (UNOESC), Joacaba, SC, Brazil
- Programa de Pos-Graduacao em Biociencias e Saude/Universidade do Oeste de Santa Catarina, Joacaba, SC, Brazil
| | | | - Antuani Rafael Baptistella
- Universidade do Oeste de Santa Catarina (UNOESC), Joacaba, SC, Brazil.
- Programa de Pos-Graduacao em Biociencias e Saude/Universidade do Oeste de Santa Catarina, Joacaba, SC, Brazil.
- Hospital Universitario Santa Terezinha, Joacaba, SC, Brazil.
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Zhang L, Niu H, Yang P, Ma J, Yuan BY, Zeng ZC, Xiang ZL. Serum lnc34a is a potential prediction biomarker for bone metastasis in hepatocellular carcinoma patients. BMC Cancer 2021; 21:161. [PMID: 33588789 PMCID: PMC7885499 DOI: 10.1186/s12885-021-07808-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 01/13/2021] [Indexed: 02/06/2023] Open
Abstract
Background Early screening and intervention therapies are crucial to improve the prognosis of hepatocellular carcinoma (HCC) patients with bone metastasis. We aimed to identify serum lncRNA as a prediction biomarker in HCC bone metastasis. Methods The expression levels of lnc34a in serum samples from 157 HCC patients were detected by quantitative real-time polymerase chain reaction (PCR). Univariate analysis and multivariate analysis were performed to determine statistically significant variables. Results Expression levels of lnc34a in serum from HCC patients with bone metastasis were significantly higher than those without bone metastasis. The high expressions of lnc34a, vascular invasion and Barcelona Clinic Liver Cancer (BCLC) stage were associated with bone metastasis by analysis. Moreover, lnc34a expression was specifically associated with bone metastasis rather than lung or lymph node metastasis in HCC. Conclusions High serum lnc34a expression was a independent risk factor for developing bone metastasis in HCC. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-021-07808-6.
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Affiliation(s)
- Li Zhang
- Department of Radiation Oncology, Zhongshan Hospital, Fudan University, 180 Feng Lin Road, Shanghai, 200032, China
| | - Hao Niu
- Department of Radiation Oncology, Zhongshan Hospital, Fudan University, 180 Feng Lin Road, Shanghai, 200032, China
| | - Ping Yang
- Department of Radiation Oncology, Zhongshan Hospital, Fudan University, 180 Feng Lin Road, Shanghai, 200032, China
| | - Jie Ma
- Department of Radiation Oncology, Zhongshan Hospital, Fudan University, 180 Feng Lin Road, Shanghai, 200032, China
| | - Bao-Ying Yuan
- Department of Radiation Oncology, Zhongshan Hospital, Fudan University, 180 Feng Lin Road, Shanghai, 200032, China
| | - Zhao-Chong Zeng
- Department of Radiation Oncology, Zhongshan Hospital, Fudan University, 180 Feng Lin Road, Shanghai, 200032, China.
| | - Zuo-Lin Xiang
- Department of Radiation Oncology, Shanghai East Hospital, Tongji University School of Medicine, 150 Jimo Road, Shanghai, 200120, China. .,Shanghai East Hospital Ji'an Hospital, 80 Ji'an South Road, Ji'an City, 343000, Jiangxi Province, China.
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Pappa E, Vougas K, Zoidakis J, Vastardis H. Proteomic advances in salivary diagnostics. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2020; 1868:140494. [DOI: 10.1016/j.bbapap.2020.140494] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 06/21/2020] [Accepted: 06/29/2020] [Indexed: 12/17/2022]
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Derruau S, Robinet J, Untereiner V, Piot O, Sockalingum GD, Lorimier S. Vibrational Spectroscopy Saliva Profiling as Biometric Tool for Disease Diagnostics: A Systematic Literature. Molecules 2020; 25:molecules25184142. [PMID: 32927716 PMCID: PMC7570680 DOI: 10.3390/molecules25184142] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 09/05/2020] [Accepted: 09/05/2020] [Indexed: 02/07/2023] Open
Abstract
Saliva is a biofluid that can be considered as a “mirror” reflecting our body’s health status. Vibrational spectroscopy, Raman and infrared, can provide a detailed salivary fingerprint that can be used for disease biomarker discovery. We propose a systematic literature review based on the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines to evaluate the potential of vibrational spectroscopy to diagnose oral and general diseases using saliva as a biological specimen. Literature searches were recently conducted in May 2020 through MEDLINE-PubMed and Scopus databases, without date limitation. Finally, over a period of 10 years, 18 publications were included reporting on 10 diseases (three oral and seven general diseases), with very high diagnostic performance rates in terms of sensitivity, specificity, and accuracy. Thirteen articles were related to six different cancers of the following anatomical sites: mouth, nasopharynx, lung, esophagus, stomach, and breast. The other diseases investigated and included in this review were periodontitis, Sjögren’s syndrome, diabetes, and myocardial infarction. Moreover, most articles focused on Raman spectroscopy (n = 16/18) and more specifically surface-enhanced Raman spectroscopy (n = 12/18). Interestingly, vibrational spectroscopy appears promising as a rapid, label-free, and non-invasive diagnostic salivary biometric tool. Furthermore, it could be adapted to investigate subclinical diseases—even if developmental studies are required.
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Affiliation(s)
- Stéphane Derruau
- Université de Reims Champagne-Ardenne, Département de Biologie Orale, UFR Odontologie, 2 rue du Général Koenig, 51100 Reims, France; (S.D.); (J.R.)
- Pôle de Médecine Bucco-dentaire, Centre Hospitalier Universitaire de Reims, 45 rue Cognacq-Jay, 51092 Reims, France
- Université de Reims Champagne-Ardenne, BioSpecT-EA7506, UFR de Pharmacie, 51 rue Cognacq-Jay, 51097 Reims, France; (O.P.); (G.D.S.)
| | - Julien Robinet
- Université de Reims Champagne-Ardenne, Département de Biologie Orale, UFR Odontologie, 2 rue du Général Koenig, 51100 Reims, France; (S.D.); (J.R.)
| | - Valérie Untereiner
- Université de Reims Champagne-Ardenne, PICT, 51 rue Cognacq-Jay, 51097 Reims, France;
| | - Olivier Piot
- Université de Reims Champagne-Ardenne, BioSpecT-EA7506, UFR de Pharmacie, 51 rue Cognacq-Jay, 51097 Reims, France; (O.P.); (G.D.S.)
- Université de Reims Champagne-Ardenne, PICT, 51 rue Cognacq-Jay, 51097 Reims, France;
| | - Ganesh D. Sockalingum
- Université de Reims Champagne-Ardenne, BioSpecT-EA7506, UFR de Pharmacie, 51 rue Cognacq-Jay, 51097 Reims, France; (O.P.); (G.D.S.)
| | - Sandrine Lorimier
- Université de Reims Champagne-Ardenne, Département de Biologie Orale, UFR Odontologie, 2 rue du Général Koenig, 51100 Reims, France; (S.D.); (J.R.)
- Pôle de Médecine Bucco-dentaire, Centre Hospitalier Universitaire de Reims, 45 rue Cognacq-Jay, 51092 Reims, France
- Université de Reims Champagne-Ardenne, GRESPI-EA4694, UFR Sciences Exactes et Naturelles, 51687 Reims, France
- Correspondence: ; Tel.: +33-612162282
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Guedes SFF, Neves BG, Bezerra DS, Souza GHMF, Lima-Neto ABM, Guedes MIF, Duarte S, Rodrigues LKA. Saliva proteomics from children with caries at different severity stages. Oral Dis 2020; 26:1219-1229. [PMID: 32285988 DOI: 10.1111/odi.13352] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 03/18/2020] [Accepted: 03/27/2020] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To perform a comparative analysis of saliva protein profile of patients with early childhood caries at different levels of severity and caries-free individuals. MATERIALS AND METHODS Stimulated saliva samples were collected from 126 children (2-6 years old), classified according to the ICDAS II, and divided into 3 groups (n = 42): caries-free (CF), enamel caries (EC), and dentine caries (DC). Samples were digested and analyzed by nanoUPLC coupled with a mass spectrometry. Data analyses were conducted with Progenesis QI for Proteomics Software v2.0. Gene Ontology (GO) terms and protein-protein interaction analysis were obtained. RESULTS A total of 306 proteins (≈6 peptides) were identified. Among them, 122 were differentially expressed in comparisons among children with different caries status. Out of the 122 proteins, the proteins E2AK4 and SH3L2 were exclusively present in groups CF and EC, respectively, and 8 proteins (HAUS4, CAH1, IL36A, IL36G, AIMP1, KLHL8, KLH13, and SAA1) were considered caries-related proteins when compared to caries-free children; they were up-regulated proteins in the caries groups (EC and DC). CONCLUSION The identification of exclusive proteins for caries-free or carious-related conditions may help in understanding the mechanisms of caries and predicting risk as well as advancing in caries control or anti-caries approaches.
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Affiliation(s)
- Sarah F F Guedes
- Faculty of Pharmacy, Dentistry and Nursing, Postgraduate Program in Dentistry, Federal University of Ceará, Fortaleza, Brazil
| | - Beatriz G Neves
- School of Dentistry, Federal University of Ceará, Sobral, Brazil
| | | | - Gustavo H M F Souza
- MS Applications Development Laboratory, Waters Corporation, São Paulo, Brazil
| | - Abelardo B M Lima-Neto
- Laboratory of Biotechnology and Molecular Biology, State University of Ceará, Fortaleza, Brazil
| | - Maria Izabel F Guedes
- Laboratory of Biotechnology and Molecular Biology, State University of Ceará, Fortaleza, Brazil
| | - Simone Duarte
- Department of Cariology, Operative Dentistry and Dental Public Health, School of Dentistry, Indiana University - Purdue University Indianapolis, Indianapolis, IN, USA
| | - Lidiany K A Rodrigues
- Faculty of Pharmacy, Dentistry and Nursing, Postgraduate Program in Dentistry, Federal University of Ceará, Fortaleza, Brazil
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21
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Oral squamous cell carcinoma diagnosed from saliva metabolic profiling. Proc Natl Acad Sci U S A 2020; 117:16167-16173. [PMID: 32601197 DOI: 10.1073/pnas.2001395117] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Saliva is a noninvasive biofluid that can contain metabolite signatures of oral squamous cell carcinoma (OSCC). Conductive polymer spray ionization mass spectrometry (CPSI-MS) is employed to record a wide range of metabolite species within a few seconds, making this technique appealing as a point-of-care method for the early detection of OSCC. Saliva samples from 373 volunteers, 124 who are healthy, 124 who have premalignant lesions, and 125 who are OSCC patients, were collected for discovering and validating dysregulated metabolites and determining altered metabolic pathways. Metabolite markers were reconfirmed at the primary tissue level by desorption electrospray ionization MS imaging (DESI-MSI), demonstrating the reliability of diagnoses based on saliva metabolomics. With the aid of machine learning (ML), OSCC and premalignant lesions can be distinguished from the normal physical condition in real time with an accuracy of 86.7%, on a person by person basis. These results suggest that the combination of CPSI-MS and ML is a feasible tool for accurate, automated diagnosis of OSCC in clinical practice.
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22
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Assad DX, Mascarenhas ECP, Normando AGC, Chardin H, Barra GB, Pratesi R, Nóbrega YKDM, Acevedo AC, Guerra ENS. Correlation between salivary and serum CA15-3 concentrations in patients with breast cancer. Mol Clin Oncol 2020; 13:155-161. [PMID: 32714539 PMCID: PMC7366245 DOI: 10.3892/mco.2020.2062] [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: 11/11/2019] [Accepted: 04/30/2020] [Indexed: 12/24/2022] Open
Abstract
The early detection of breast cancer enables the use of less aggressive treatment and increases patient survival. The transmembrane glycoprotein mucin 1, which is also known as cancer antigen 15-3 (CA15-3), is aberrantly glycosylated and overexpressed in a variety of epithelial cancers, and serves a crucial role in the progression of the disease. CA15-3 is currently used as a marker of breast cancer. In the present study, CA15-3 concentrations in saliva and blood of patients with breast cancer were evaluated to test new assays to detect salivary CA15-3 in addition to ELISA and its diagnostic value. To the best of our knowledge, there are no previous reports of the use of chemiluminescence assay (CLIA) and electrochemiluminescence assay (ECLIA) in saliva. Saliva and blood were collected on the same day from patients with breast cancer (n=26) and healthy controls (n=28). For each subject, the level of serum CA15-3 was measured using ECLIA, and the level of salivary CA15-3 was measured using ECLIA, CLIA and enzyme-linked immunosorbent assay (ELISA). ELISA and CLIA were able to detect CA15-3 in saliva; however, ECLIA could not detect salivary CA15-3. There was no significant difference between the mean serum and salivary CA15-3 levels in patients with breast cancer or healthy controls. The levels of CA15-3 were highest for luminal breast cancer subtypes and stage IV cases. A moderate correlation was observed between salivary and serum CA15-3 levels as measured by ELISA in breast cancer patients (r=0.56; P=0.0047). The results demonstrated that ECLIA was not a good method to detect salivary CA15-3, although it is the gold standard for detecting serum CA15-3. The presence of CA15-3 in saliva was confirmed, and this will be useful in future research. Further investigations are necessary to confirm the ability to detect salivary CA15-3 and its correlation with serum CA15-3.
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Affiliation(s)
- Daniele Xavier Assad
- Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasília Campus Universitário Darcy Ribeiro, Brasília, DF 70910-900, Brazil.,Medical Oncology Department, Hospital Sírio-Libanês, Brasília, DF 70200-730, Brazil
| | - Elisa Cançado Porto Mascarenhas
- Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasília Campus Universitário Darcy Ribeiro, Brasília, DF 70910-900, Brazil.,Department Medical Oncology, Cettro-Centro de Câncer de Brasília, Brasilia, DF 70710-904, Brazil
| | - Ana Gabriela Costa Normando
- Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasília Campus Universitário Darcy Ribeiro, Brasília, DF 70910-900, Brazil
| | - Hélène Chardin
- Department of Analytical, Bioanalytical Sciences and Miniaturization (LSABM), ESPCI Paris, PSL Research University, Paris 75005, France.,Faculty of Dental Surgery, Paris Descartes Sorbonne Paris Cité University, Paris 92120, France
| | | | - Riccardo Pratesi
- Interdisciplinary Laboratory of Biosciences and Celiac Disease Research Center, School of Medicine, University of Brasilia, Brasília, DF 70910-900, Brazil
| | - Yanna Karla de Medeiros Nóbrega
- Applied Analysis Laboratory, Department of Pharmaceutical Sciences, Health Sciences Faculty, University of Brasília, Brasília, DF 70910-900, Brazil
| | - Ana Carolina Acevedo
- Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasília Campus Universitário Darcy Ribeiro, Brasília, DF 70910-900, Brazil
| | - Eliete Neves Silva Guerra
- Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasília Campus Universitário Darcy Ribeiro, Brasília, DF 70910-900, Brazil
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23
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Daveshwar SR, Kapoor SV, Daveshwar MR. Quantitative Polymerase Chain Reaction Analysis of Cariogenic Streptococcus mutans in Saliva of Oral and Laryngeal Cancer Patients Undergoing Radiotherapy: A Clinical Study. Int J Appl Basic Med Res 2020; 10:91-96. [PMID: 32566524 PMCID: PMC7289201 DOI: 10.4103/ijabmr.ijabmr_151_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 08/29/2019] [Accepted: 01/20/2020] [Indexed: 12/02/2022] Open
Abstract
Context: Radiotherapy leads to radiation-induced caries. There is limited knowledge about the quantification of cariogenic bacteria in the saliva of irradiated cancer patients. Objective: The aim of this study is to check salivary pH, flow rate, and the assessment of Streptococcus mutans in the saliva of irradiated oral and laryngeal cancer patients using quantitative real-time polymerase chain reaction (qRT-PCR). Settings and Design: This was time-bound study which consisted of 26 cancer patients undergoing radiotherapy (13-oral cancer 13-laryngeal cancer). Subjects and Methods: Resting saliva samples were gathered from oral (Group-I) and laryngeal (Group-II) cancer patients immediately before radiotherapy and after completion of radiotherapy (dose-60 Gy). pH of saliva and the salivary flow rate was measured. S. mutans were analyzed using qRT PCR. Statistical Analysis Used: Data were analyzed using SPSS software 20. Paired t-test was used to evaluate salivary pH, flow rate, and amount of S. mutans pre- and post-radiotherapy for Group I and II. Independent t-test was used to compare salivary pH, flow rate, and S. mutans pre- and post-radiotherapy between Group I and II. Results: Salivary pH and flow rate significantly reduced postradiotherapy in oral and laryngeal cancer patients (P < 0.001). The amount of S. mutans statistically increased postradiotherapy in oral cancer patients (P = 0.001). While S. mutans count was statistically insignificant in laryngeal cancer patients (P = 0.091). There was a significant increase in the amount of S. mutans in Group I when compared with Group II (P = 0.002). Conclusion: Amount of S. mutans increased postradiotherapy in oral cancer patients. While the salivary pH and salivary flow rate reduced postradiotherapy.
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Affiliation(s)
- Shilpi Rajiv Daveshwar
- Department of Conservative Dentistry, Esthetics and Endodontics, Manubhai Patel Dental College and Oral Research Institute, Vadodara, Gujarat, India
| | - Sonali Vinod Kapoor
- Department of Conservative Dentistry, Esthetics and Endodontics, Manubhai Patel Dental College and Oral Research Institute, Vadodara, Gujarat, India
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24
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Silbereisen A, Alassiri S, Bao K, Grossmann J, Nanni P, Fernandez C, Tervahartiala T, Nascimento GG, Belibasakis GN, Heikkinen A, Lopez R, Sorsa T, Bostanci N. Label‐Free Quantitative Proteomics versus Antibody‐Based Assays to Measure Neutrophil‐Derived Enzymes in Saliva. Proteomics Clin Appl 2020; 14:e1900050. [DOI: 10.1002/prca.201900050] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 11/20/2019] [Indexed: 12/25/2022]
Affiliation(s)
- Angelika Silbereisen
- Section of Periodontology and Dental Prevention Division of Oral Diseases Department of Dental Medicine Karolinska Institutet Alfred Nobels allé 8 14152 Huddinge Stockholm Sweden
| | - Saeed Alassiri
- Department of Oral and Maxillofacial Diseases University of Helsinki Helsinki University Central Hospital P.O. Box 41 (Mannerheimintie 172) 00014 Helsinki Finland
| | - Kai Bao
- Section of Periodontology and Dental Prevention Division of Oral Diseases Department of Dental Medicine Karolinska Institutet Alfred Nobels allé 8 14152 Huddinge Stockholm Sweden
| | - Jonas Grossmann
- Functional Genomics Center Zurich ETH Zurich and University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Paolo Nanni
- Functional Genomics Center Zurich ETH Zurich and University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Claudia Fernandez
- Functional Genomics Center Zurich ETH Zurich and University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Taina Tervahartiala
- Department of Oral and Maxillofacial Diseases University of Helsinki Helsinki University Central Hospital P.O. Box 41 (Mannerheimintie 172) 00014 Helsinki Finland
| | - Gustavo G. Nascimento
- Section of Periodontology Department of Dentistry and Oral Health Aarhus University Vennelyst Boulevard 9 8000 Aarhus C Denmark
| | - Georgios N. Belibasakis
- Section of Periodontology and Dental Prevention Division of Oral Diseases Department of Dental Medicine Karolinska Institutet Alfred Nobels allé 8 14152 Huddinge Stockholm Sweden
| | - Anna‐Maria Heikkinen
- Department of Oral and Maxillofacial Diseases University of Helsinki Helsinki University Central Hospital P.O. Box 41 (Mannerheimintie 172) 00014 Helsinki Finland
| | - Rodrigo Lopez
- Section of Periodontology Department of Dentistry and Oral Health Aarhus University Vennelyst Boulevard 9 8000 Aarhus C Denmark
| | - Timo Sorsa
- Section of Periodontology and Dental Prevention Division of Oral Diseases Department of Dental Medicine Karolinska Institutet Alfred Nobels allé 8 14152 Huddinge Stockholm Sweden
- Department of Oral and Maxillofacial Diseases University of Helsinki Helsinki University Central Hospital P.O. Box 41 (Mannerheimintie 172) 00014 Helsinki Finland
| | - Nagihan Bostanci
- Section of Periodontology and Dental Prevention Division of Oral Diseases Department of Dental Medicine Karolinska Institutet Alfred Nobels allé 8 14152 Huddinge Stockholm Sweden
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25
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Angelova S, Salim A, Kiselova-Kaneva Y, Ivanova D, Peev S. Association of mRNA Levels of IL6, MMP-8, GSS in Saliva and Pyelonephritis in Children. Molecules 2019; 25:molecules25010085. [PMID: 31881666 PMCID: PMC6982834 DOI: 10.3390/molecules25010085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/20/2019] [Accepted: 12/22/2019] [Indexed: 12/25/2022] Open
Abstract
Nowadays, saliva is a subject of growing scientific interest because of its definite advantages as diagnostic medium. The aim of our study was to investigate the diagnostic potential and reliability of messenger RNAs (mRNAs) of selected genes—interleukin-6 (IL-6), matrix metalloproteinase-8 (MMP-8) and glutathione synthetase (GSS)—as salivary markers in children with diagnosed pyelonephritis and to correlate their levels with typical urine para-clinical indicators of the disease. Analysis of the mRNA levels for IL-6, MMP-8 and GSS in 28 children hospitalized with the diagnosis of pyelonephritis was conducted applying the method of quantitative reverse transcription polymerase chain reaction (RT-qPCR). In the study group (n = 28), IL-6 mRNA levels demonstrated 64-fold increase (p < 0.001). MMP-8 and GSS mRNA levels were increased in 12 samples in patients with pyelonephritis 3.27 (p < 0.01) and 1.94 (p < 0.001) times, respectively. We found a strong and significant correlation (p < 0.001) between the investigated mRNA for IL-6 and MMP-8, IL-6 and GSS, MMP-8 and GSS. Moderate degree of correlation was established between IL-6 and the typical para-clinical indicator of leucocytes (0.43, p < 0.05) and between GSS and leucocytes (0.54, p < 0.01). Salivary IL-6, MMP-8 and GSS mRNA levels in combination with urine test analysis could be useful diagnostic tool for the very distributed disorder of pyelonephritis in childhood.
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Affiliation(s)
- Sirma Angelova
- Department of Pediatric Dentistry, Faculty of Dental Medicine, Medical University of Varna, 9000 Varna, Bulgaria;
| | - Ayshe Salim
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Faculty of Pharmacy, Medical University of Varna, 9000 Varna, Bulgaria; (Y.K.-K.); (D.I.)
- Correspondence: ; Tel.: +35-9883492818
| | - Yoana Kiselova-Kaneva
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Faculty of Pharmacy, Medical University of Varna, 9000 Varna, Bulgaria; (Y.K.-K.); (D.I.)
| | - Diana Ivanova
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Faculty of Pharmacy, Medical University of Varna, 9000 Varna, Bulgaria; (Y.K.-K.); (D.I.)
| | - Stefan Peev
- Department of Periodontology and Dental Implantology, Faculty of Dental Medicine, Medical University of Varna, 9000 Varna, Bulgaria;
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26
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Lasisi TJ, Lawal FB. Preference of saliva over other body fluids as samples for clinical and laboratory investigations among healthcare workers in Ibadan, Nigeria. Pan Afr Med J 2019; 34:191. [PMID: 32180865 PMCID: PMC7060920 DOI: 10.11604/pamj.2019.34.191.18738] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 10/24/2019] [Indexed: 01/02/2023] Open
Abstract
Introduction The study aimed to assess the knowledge and practices of clinicians and laboratory scientists on the use of saliva for clinical or laboratory tests. Methods This was a cross-sectional survey of health care workers (100 clinicians and 62 laboratory scientists) closely involved with specimen collection for clinical and laboratory investigation at two health facilities (secondary and tertiary) in Nigeria. Information was obtained from participants using pretested structured questionnaires. Data were analyzed with SPSS and level of significance set at p < 5%. Results The mean age of the study participants was 34.1 (±6.6) years. The majority (95.7%) knew saliva could be used for clinical/laboratory test. A higher proportion of laboratory scientists knew saliva could be used in diagnosing HIV (59.2%), oral diseases (88.7%), oro-facial tumors (64.4%) and genetic testing (94.5%) compared to (41%), (80%), (40%) and (80%), of clinicians respectively (p < 0.05). More clinicians (85%) indicated saliva as a good specimen for diagnosing systemic diseases compared with scientists (63%), p < 0.001. Saliva was the most comfortable/convenient body fluid to obtain from patients with more clinicians (80%) mentioning this than scientists (49.1%), p < 0.001. Twenty-six clinicians had used saliva for disease diagnosis (64%), treatment monitoring (28%) or research purposes (8%). Saliva sampling for research purposes was more prevalent among clinicians (p = 0.004). Conclusion The majority of the health care workers knew the various uses and advantages of saliva as a specimen for clinical and laboratory investigation. However, few indicated previous use for clinical and laboratory investigation especially in the area of research.
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Affiliation(s)
- Taye Jemilat Lasisi
- Department of Physiology, University of Ibadan, Ibadan, Nigeria.,Department of Oral Pathology, University of Ibadan and University College Hospital, Ibadan, Nigeria
| | - Folake Barakat Lawal
- Department of Periodontology & Community Dentistry, University of Ibadan and University College Hospital, Ibadan, Nigeria
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27
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Hartenbach FARR, Velasquez É, Nogueira FCS, Domont GB, Ferreira E, Colombo APV. Proteomic analysis of whole saliva in chronic periodontitis. J Proteomics 2019; 213:103602. [PMID: 31809901 DOI: 10.1016/j.jprot.2019.103602] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 10/18/2019] [Accepted: 12/02/2019] [Indexed: 12/14/2022]
Abstract
Periodontitis is a chronic inflammatory disease resulting from a dysbiosis of the dental biofilm and a dysregulated host response in susceptible individuals. It is characterized by periodontal attachment destruction, bone resorption and eventual tooth loss. Salivary biomarkers have been sought to predict and prevent periodontitis. This comparative study analyzed the salivary proteome of individuals with chronic periodontitis (CP) and periodontal health (PH) and correlated specific proteins with clinical parameters of disease by using mass spectrometry. Stimulated whole saliva was obtained 10 PH and 30 CP patients and pooled into 5 healthy control samples and 15 CP samples. After precipitation with TCA, samples were digested enzymatically with trypsin and analyzed by a LTQ Orbitrap Velos equipped with a nanoelectrospray ion source. A wide range of salivary proteins of various functions was significantly reduced in CP individuals, whereas salivary acidic proline-rich phosphoprotein, submaxillary gland androgen-regulated protein, histatin-1, fatty acid binding protein, thioredoxin and cystatin-SA were predominant in diseased patients and correlated significantly with signs of periodontal attachment loss and inflammation. In conclusion, few specific salivary proteins were associated with CP. These findings may contribute to the identification of disease indicators or signatures for the improvement of periodontal diagnosis. SIGNIFICANCE: Periodontitis is a chronic inflammatory disease that results in periodontal attachment destruction, bone resorption and eventual tooth loss. Salivary biomarkers have been sought to predict periodontitis. The analysis of the salivary proteome of individuals with chronic periodontitis indicated that several proteins of various functions were significantly reduced in these individuals, except for salivary acidic proline-rich phosphoprotein, submaxillary gland androgen-regulated protein, histatin, fatty acid binding protein, thioredoxin and cystatin. Differences in salivary proteome profiles between periodontal health and periodontitis may contribute to the identification of disease indicators and to the improvement of periodontal diagnosis and treatment.
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Affiliation(s)
- Fátima Aparecida Rocha Resende Hartenbach
- School of Dentistry, Department of Clinics, Federal University of Rio de Janeiro, Brazil; Department of MedicalMicrobiology, Institute of Microbiology, FederalUniversity of Rio de Janeiro, Brazil
| | - Érika Velasquez
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Brazil
| | - Fábio C S Nogueira
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Brazil; Laboratory of Proteomics, LADETEC, Institute of Chemistry, Federal University of Rio de Janeiro, Brazil
| | - Gilberto B Domont
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Brazil
| | - Eliane Ferreira
- Department of MedicalMicrobiology, Institute of Microbiology, FederalUniversity of Rio de Janeiro, Brazil
| | - Ana Paula Vieira Colombo
- School of Dentistry, Department of Clinics, Federal University of Rio de Janeiro, Brazil; Department of MedicalMicrobiology, Institute of Microbiology, FederalUniversity of Rio de Janeiro, Brazil.
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28
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Jain S, Paul S, Meena RN, Gangwar A, Panjwani U, Ahmad Y, Bhargava K. Saliva panel of protein candidates: A comprehensive study for assessing high altitude acclimatization. Nitric Oxide 2019; 95:1-11. [PMID: 31778801 DOI: 10.1016/j.niox.2019.11.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 11/12/2019] [Accepted: 11/22/2019] [Indexed: 01/01/2023]
Abstract
Altitude acclimatization describes the processes whereby lowland humans respond to decreased partial pressure of oxygen. It refers to the changes seen as beneficial and involves a series of physiological adjustments that compensate for reduced ambient PO2, as opposed to changes that are pathological. Although numerous reports document the physiological effects of exposure to hypobaric hypoxia of varying durations but an interesting aspect overlooked by many researchers is that of acclimatization related studies. As proteome, a dynamic entity responds immediately to external stimuli, protein markers and their trends can be studied to assess acclimatization status of an individual. Compared to blood, the use of saliva is advantageous because sample collection and processing are easy, minimally invasive, low cost and better tolerated by individuals. In this study, we employed iTRAQ based LC-MS/MS technique for comparing saliva samples from humans exposed to hypobaric hypoxia from 7 to 120 days with normoxic controls followed by analysis using Ingenuity Pathway Analysis software and validation by immunoassays. Nearly 67 proteins were found to be differentially expressed in the exposed groups as compared to normoxia indicating modulated canonical pathways as lipid metabolism; acute phase response signalling and proteins as carbonic anhydrase 6, alpha-enolase, albumin, and prolactin inducible protein. Collectively, this study provides the proof of concept for the non-invasive assessment of high altitude acclimatization.
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Affiliation(s)
- Shikha Jain
- Peptide & Proteomics Division, Defence Institute of Physiology & Allied Sciences (DIPAS), Defence R&D Organization (DRDO), Timarpur, New Delhi, 110054, India
| | - Subhojit Paul
- Peptide & Proteomics Division, Defence Institute of Physiology & Allied Sciences (DIPAS), Defence R&D Organization (DRDO), Timarpur, New Delhi, 110054, India
| | - Ram Niwas Meena
- Peptide & Proteomics Division, Defence Institute of Physiology & Allied Sciences (DIPAS), Defence R&D Organization (DRDO), Timarpur, New Delhi, 110054, India
| | - Anamika Gangwar
- Peptide & Proteomics Division, Defence Institute of Physiology & Allied Sciences (DIPAS), Defence R&D Organization (DRDO), Timarpur, New Delhi, 110054, India
| | - Usha Panjwani
- Peptide & Proteomics Division, Defence Institute of Physiology & Allied Sciences (DIPAS), Defence R&D Organization (DRDO), Timarpur, New Delhi, 110054, India
| | - Yasmin Ahmad
- Peptide & Proteomics Division, Defence Institute of Physiology & Allied Sciences (DIPAS), Defence R&D Organization (DRDO), Timarpur, New Delhi, 110054, India.
| | - Kalpana Bhargava
- Peptide & Proteomics Division, Defence Institute of Physiology & Allied Sciences (DIPAS), Defence R&D Organization (DRDO), Timarpur, New Delhi, 110054, India.
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29
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Kaczor-Urbanowicz KE, Wei F, Rao SL, Kim J, Shin H, Cheng J, Tu M, Wong DTW, Kim Y. Clinical validity of saliva and novel technology for cancer detection. Biochim Biophys Acta Rev Cancer 2019; 1872:49-59. [PMID: 31152821 PMCID: PMC6692231 DOI: 10.1016/j.bbcan.2019.05.007] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 04/05/2019] [Accepted: 05/14/2019] [Indexed: 12/17/2022]
Abstract
Cancer, a local disease at an early stage, systemically evolves as it progresses by triggering alterations in surrounding microenvironment, disturbing immune surveillance and further disseminating its molecular contents into circulation. This pathogenic characteristic of cancer makes the use of biofluids such as blood/serum/plasma, urine, tear and cerebrospinal fluids credible surrogates harboring tumor tissue-derived molecular alterations for the detection of cancer. Most importantly, a number of recent reports have credentialed the clinical validity of saliva for the detection of systemic diseases including cancers. In this review, we discussed the validity of saliva as credible biofluid and clinical sample type for the detection of cancers. We have presented the molecular constituents of saliva that could mirror the systemic status of our body and recent findings of salivaomics associated with cancers. Recently, liquid biopsy to detect cancer-derived circulating tumor DNA has emerged as a credible cancer-detection tool with potential benefits in screening, diagnosis and also risk management of cancers. We have further presented the clinical validity of saliva for liquid biopsy of cancers and a new technology platform based on electrochemical detection of cancer-derived ctDNA in saliva with superior sensitivity and point-of-care potential. The clinical utilities of saliva for the detection of cancers have been evidenced, but biological underpinning on the existence of molecular signatures of cancer-origin in saliva, such as via exosomal distribution, should be addressed in detail.
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Affiliation(s)
- Karolina Elżbieta Kaczor-Urbanowicz
- Center for Oral and Head/Neck Oncology Research, School of Dentistry, University of California at Los Angeles, United States of America; UCLA's Section of Orthodontics, UCLA School of Dentistry, University of California at Los Angeles, United States of America
| | - Fang Wei
- Center for Oral and Head/Neck Oncology Research, School of Dentistry, University of California at Los Angeles, United States of America
| | - Shannon Liu Rao
- Center for Oral and Head/Neck Oncology Research, School of Dentistry, University of California at Los Angeles, United States of America
| | - Jinseok Kim
- Center for Oral and Head/Neck Oncology Research, School of Dentistry, University of California at Los Angeles, United States of America
| | - Heebum Shin
- Center for Oral and Head/Neck Oncology Research, School of Dentistry, University of California at Los Angeles, United States of America
| | - Jordan Cheng
- Center for Oral and Head/Neck Oncology Research, School of Dentistry, University of California at Los Angeles, United States of America
| | - Michael Tu
- EZLife Bio Inc., 21250 Califa St #101, Woodland Hills, CA 9367, United States of America
| | - David T W Wong
- Center for Oral and Head/Neck Oncology Research, School of Dentistry, University of California at Los Angeles, United States of America; UCLA's Jonsson Comprehensive Cancer Center, United States of America.
| | - Yong Kim
- Center for Oral and Head/Neck Oncology Research, School of Dentistry, University of California at Los Angeles, United States of America; UCLA's Jonsson Comprehensive Cancer Center, United States of America.
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30
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Hettegger P, Huber J, Paßecker K, Soldo R, Kegler U, Nöhammer C, Weinhäusel A. High similarity of IgG antibody profiles in blood and saliva opens opportunities for saliva based serology. PLoS One 2019; 14:e0218456. [PMID: 31220138 PMCID: PMC6586443 DOI: 10.1371/journal.pone.0218456] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 06/03/2019] [Indexed: 12/16/2022] Open
Abstract
Saliva based diagnostics is a rapidly evolving field due to the large diagnostic potential and simple sample collection. Currently only few individual molecules were investigated for their diagnostic capabilities in saliva. A systematic comparison of IgG antibody profiles in saliva and plasma is still missing in scientific literature. Our hypothesis is that IgG profiles in plasma and saliva are highly similar for each individual. As a consequence, one could implement practically any plasma based IgG assay (classical serology) as saliva based assay. In other words, the IgG antibodies found in blood are also accessible from saliva. We confirm our hypothesis by comparing IgG reactivities towards protein and peptide antigens. We isolated saliva IgG with high purity and demonstrate that plasma IgG reactivities (classical serology) can be inferred from saliva. As a showcase we perform Hepatitis B virus antibody (plasma-)titer determination from saliva. Additionally we show that plasma and saliva IgG profiles of 20 individuals are highly similar for 256 peptide antigens and match (unsupervised) with high probabilities. Finally, we argue for generalisation to the complete IgG antibody profile. The presented findings could contribute greatly to the development of saliva based diagnostic methods of numerous antibody based tests.
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Affiliation(s)
- Peter Hettegger
- Austrian Institute of Technology, Center for Health and Bioresources, Molecular Diagnostics, Vienna, Austria
| | - Jasmin Huber
- Austrian Institute of Technology, Center for Health and Bioresources, Molecular Diagnostics, Vienna, Austria
| | - Katharina Paßecker
- Austrian Institute of Technology, Center for Health and Bioresources, Molecular Diagnostics, Vienna, Austria
| | - Regina Soldo
- Austrian Institute of Technology, Center for Health and Bioresources, Molecular Diagnostics, Vienna, Austria
| | - Ulrike Kegler
- Austrian Institute of Technology, Center for Health and Bioresources, Molecular Diagnostics, Vienna, Austria
| | - Christa Nöhammer
- Austrian Institute of Technology, Center for Health and Bioresources, Molecular Diagnostics, Vienna, Austria
| | - Andreas Weinhäusel
- Austrian Institute of Technology, Center for Health and Bioresources, Molecular Diagnostics, Vienna, Austria
- * E-mail:
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Fretibacterium sp. human oral taxon 360 is a novel biomarker for periodontitis screening in the Japanese population. PLoS One 2019; 14:e0218266. [PMID: 31216300 PMCID: PMC6584019 DOI: 10.1371/journal.pone.0218266] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 05/29/2019] [Indexed: 01/21/2023] Open
Abstract
Background Periodontitis is a common inflammatory disease, leading to bone destruction and tooth loss. Screening for periodontitis is important in preventing the progress of this disease. Various types of bacteria have been examined as potential screening targets, but only culturable pathogenic bacteria have been considered candidates. Recently, the various uncultivable bacteria have been identified in microbiome studies, but the value of these bacteria in periodontitis screening remains unknown. Objectives The aim of this study was to evaluate the diagnostic use of uncultivable bacteria Fretibacterium sp. HOT 360 and TM7 sp. HOT 356 for periodontitis screening in the Japanese population. Material and methods Stimulated saliva samples were collected from 217 participants (periodontitis group, n = 157; healthy group, n = 60). The two uncultivable bacterial species selected were: Fretibacterium sp. human oral taxon 360 (Fretibacterium sp. HOT 360) and TM7 sp. human oral taxon 356 (TM7 sp. HOT 356). The levels of these two bacterial species were compared with those of Porphyromonas gingivalis (P. gingivalis), a keystone pathogen in periodontitis. These three species of bacteria were then quantified using qualitative real-time polymerase chain reaction (qPCR) with specific primers and Taqman probes. Statistical analysis was performed by SPSS 20.0 software. P value was statistically significant at .05. Results The populations of uncultivable bacterial species TM7 sp. HOT 356 and Fretibacterium sp. HOT 360 were significantly higher in periodontitis group than in healthy group. Only Fretibacterium sp. HOT 360 showed a significantly positive correlation with such periodontal parameters as probing pocket depth (PPD) and bleeding on probing (BOP). Conclusion These findings indicate that uncultivable bacteria Fretibacterium sp. HOT 360 can be used as a saliva-based diagnostic bacterial biomarker for periodontitis screening.
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Nsr-Allah AAEM, El-Osh S, Ahmed AM, Hazem S. Salivary α2-macroglobulin as a marker for glycemic control in patients with type 2 diabetes mellitus. THE EGYPTIAN JOURNAL OF INTERNAL MEDICINE 2019. [DOI: 10.4103/ejim.ejim_117_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Raju SC, Lagström S, Ellonen P, de Vos WM, Eriksson JG, Weiderpass E, Rounge TB. Gender-Specific Associations Between Saliva Microbiota and Body Size. Front Microbiol 2019; 10:767. [PMID: 31024514 PMCID: PMC6467948 DOI: 10.3389/fmicb.2019.00767] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 03/26/2019] [Indexed: 02/02/2023] Open
Abstract
Objective The human intestinal microbiota likely play an important role in the development of overweight and obesity. However, the associations between saliva microbiota and body mass index (BMI) have been sparsely studied. The aim of this study was to identify the associations between saliva microbiota and body size in Finnish children. Methods The saliva microbiota of 900 Finnish children, aged 11–14 years with measured height and weight, was characterized using 16S rRNA (V3–V4) sequencing. Results The core saliva microbiota consisted of 14 genera that were present in more than 95% of the Finnish children. The saliva microbiota profiles were gender-specific with higher alpha-diversity in boys than girls and significant differences between the genders in community composition and abundances. Alpha-diversity differed between normal weight and overweight girls and between normal weight and obese boys. The composition was dissimilar between normal weight and obese girls, but not in boys. The relative abundance profiles differed according to body size. Decrease in commensal saliva bacteria were observed in all the body sizes when compared to normal weight children. Notably, the relative abundance of bacteria related to, Veillonella, Prevotella, Selenomonas, and Streptococcus was reduced in obese children. Conclusion Saliva microbiota diversity and composition were significantly associated with body size and gender in Finnish children. Body size–specific saliva microbiota profiles open new avenues for studying the potential roles of microbiota in weight development and management.
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Affiliation(s)
- Sajan C Raju
- Folkhälsan Research Center, Helsinki, Finland.,Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Sonja Lagström
- Institute for Molecular Medicine Finland, University of Helsinki, Helsinki, Finland
| | - Pekka Ellonen
- Institute for Molecular Medicine Finland, University of Helsinki, Helsinki, Finland
| | - Willem M de Vos
- Human Microbiome Research, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Laboratory of Microbiology, Wageningen University, Wageningen, Netherlands
| | - Johan G Eriksson
- Folkhälsan Research Center, Helsinki, Finland.,Department of General Practice and Primary Health Care, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,Department of Chronic Disease Prevention, National Institute for Health and Welfare, Helsinki, Finland
| | - Elisabete Weiderpass
- Folkhälsan Research Center, Helsinki, Finland.,Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Department of Research, Cancer Registry of Norway, Institute of Population-based Cancer Research, Oslo, Norway.,Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.,Department of Community Medicine, Faculty of Health Sciences, University of Tromsø, The Arctic University of Norway, Tromsø, Norway
| | - Trine B Rounge
- Folkhälsan Research Center, Helsinki, Finland.,Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Department of Research, Cancer Registry of Norway, Institute of Population-based Cancer Research, Oslo, Norway
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Derruau S, Gobinet C, Mateu A, Untereiner V, Lorimier S, Piot O. Shedding light on confounding factors likely to affect salivary infrared biosignatures. Anal Bioanal Chem 2019; 411:2283-2290. [DOI: 10.1007/s00216-019-01669-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 01/22/2019] [Accepted: 02/05/2019] [Indexed: 01/21/2023]
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Salivary proteome patterns of individuals exposed to High Altitude. Arch Oral Biol 2018; 96:104-112. [DOI: 10.1016/j.archoralbio.2018.09.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 08/09/2018] [Accepted: 09/05/2018] [Indexed: 11/18/2022]
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Lisukha LM, Stepanova YI, Kolpakov IY, Podrushnyak AY. ELECTROLYTE CONTENT IN SALIVA OF CHILDREN WITH DEVIATION IN VEGETATIVE STATUS RESIDING AT RADIOACTIVELY CONTAMINATED TERRITORIES OF UKRAINE AFTER APPLICATION OF INTERMITTENT NORMOBARIC HYPOXIA. PROBLEMY RADIATSIINOI MEDYTSYNY TA RADIOBIOLOHII 2018; 23:359-372. [PMID: 30582857 DOI: 10.33145/2304-8336-2018-23-359-372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Indexed: 06/09/2023]
Abstract
Objective was to determine the content of sodium (Na+), potassium (K+), calcium (Ca2+), and magnesium (Mg2+) elec-trolytes in non-stimulated mixed saliva of children, with disorders of autonomous nervous system (ANS), who wereborn and are permanently residing at radioactive contaminated territories after application of intermittent normo-baric hypoxia (INH) of sanogenic level.Patientes and methods. The children (41 boys and 62 girls) aged 6-17 years were examined. All they were dividedinto three groups: the control group consisted of 30 persons (group I); the comparison group - 30 person (groupII); the main group - 43 patients (group III). The collection of anamnesis, patient complaints, clinical and labora-tory examinations were included into the studied program. The content of electrolytes in oral fluids was determinedby the atomic absorption method. 10 seances of INH with a hypoxic component of 12 % oxygen in nitrogen wereused by us.Results. It was shown that the content of electrolytes in non-stimulated mixed saliva had a multidirectional signi-ficance in different age groups after INH: in examined children of primary school age (6-11 years), the Na+ concen-tration was significantly increased by 0.8 mmol/l, K+ concentration was decreased by 3 mmol/l, Ca2+ concentrationwas decreased by 1.07 mmol/l and in children of senior school age (12-17 years) - Na+, and Ca2+ concentrations weredecreased by 2 mmol/l and 0.17 mmol/l, respectively.Сonclusions. The obtained results allow to recommend the INH seances for addition to basic treatment of childrenwith disorders of autonomous nervous system, who were born and are permanently residing at radioactive contam-inated territories of Ukraine.
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Affiliation(s)
- L M Lisukha
- O. O. Bogomoletz Institute of Physiology, National Academy Sciences of Ukraine, 4 Bogomoletz street, Kyiv, 01024, Ukraine
| | - Ye I Stepanova
- State Institution «National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine», 53 Melnykova street, Kyiv, 04050, Ukraine
| | - I Ye Kolpakov
- State Institution «National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine», 53 Melnykova street, Kyiv, 04050, Ukraine
| | - A Ye Podrushnyak
- State Institution «L.I. Medved's Research Center of Preventive Toxicolog Food and Chemical Safety», 6 Heroiv Oborony str., Kyiv, 03680, Ukraine
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Manconi B, Liori B, Cabras T, Vincenzoni F, Iavarone F, Lorefice L, Cocco E, Castagnola M, Messana I, Olianas A. Top-down proteomic profiling of human saliva in multiple sclerosis patients. J Proteomics 2018; 187:212-222. [PMID: 30086402 DOI: 10.1016/j.jprot.2018.07.019] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 07/16/2018] [Accepted: 07/30/2018] [Indexed: 12/13/2022]
Abstract
Multiple sclerosis is a chronic disease of the central nervous system characterized by inflammation, demyelination and neurodegeneration which is of undetermined origin. To date a single diagnostic test of multiple sclerosis does not exists and novel biomarkers are demanded for a more accurate and early diagnosis. In this study, we performed the quantitative analysis of 119 salivary peptides/proteins from 49 multiple sclerosis patients and 54 healthy controls by a mass spectrometry-based top-down proteomic approach. Statistical analysis evidenced different levels on 23 proteins: 8 proteins showed lower levels in multiple sclerosis patients with respect to controls and they were mono- and di-oxidized cystatin SN, mono- and di-oxidized cystatin S1, mono-oxidized cystatin SA and mono-phosphorylated statherin. 15 proteins showed higher levels in multiple sclerosis patients with respect to controls and they were antileukoproteinase, two proteoforms of Prolactin-Inducible Protein, P-C peptide (Fr.1-14, Fr. 26-44, and Fr. 36-44), SV1 fragment of statherin, cystatin SN Des1-4, cystatin SN P11 → L variant, and cystatin A T96 → M variant. The differences observed between the salivary proteomic profile of patients suffering from multiple sclerosis and healthy subjects is consistent with the inflammatory condition and altered immune response typical of the pathology. Data are available via ProteomeXchange with identifier PXD009440. SIGNIFICANCE To date a single diagnostic test of multiple sclerosis does not exist, and diagnosis is based on multiple tests which mainly include the analysis of cerebrospinal fluid. However, the need for lumbar puncture makes the analysis of cerebrospinal fluid impractical for monitoring disease activity and response to treatment. The possible use of saliva as a diagnostic fluid for oral and systemic diseases has been largely investigated, but only marginally in multiple sclerosis compared to other body fluids. Our study demonstrates that the salivary proteome of multiple sclerosis patients differs considerably compared to that of sex and age matched healthy individuals and suggests that some differences might be associated with the different disease-modifying therapy used to treat multiple sclerosis patients.
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Affiliation(s)
- Barbara Manconi
- Department of Life and Environmental Sciences, Biomedical Section, University of Cagliari, Monserrato Campus, 09042 Monserrato, Cagliari, Italy.
| | - Barbara Liori
- Department of Life and Environmental Sciences, Biomedical Section, University of Cagliari, Monserrato Campus, 09042 Monserrato, Cagliari, Italy
| | - Tiziana Cabras
- Department of Life and Environmental Sciences, Biomedical Section, University of Cagliari, Monserrato Campus, 09042 Monserrato, Cagliari, Italy
| | - Federica Vincenzoni
- Biochemistry and Clinical Biochemistry Institute, Medicine Faculty, Catholic University of Rome, L.go F. Vito 1, 00168 Rome, Italy
| | - Federica Iavarone
- Biochemistry and Clinical Biochemistry Institute, Medicine Faculty, Catholic University of Rome, L.go F. Vito 1, 00168 Rome, Italy
| | - Lorena Lorefice
- Department of Medical Sciences and Public Health, Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, University of Cagliari, via Is Guadazzonis 2, 09126 Cagliari, Italy
| | - Eleonora Cocco
- Department of Medical Sciences and Public Health, Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, University of Cagliari, via Is Guadazzonis 2, 09126 Cagliari, Italy
| | - Massimo Castagnola
- Biochemistry and Clinical Biochemistry Institute, Medicine Faculty, Catholic University of Rome, L.go F. Vito 1, 00168 Rome, Italy; Institute of Chemistry of the Molecular Recognition CNR, L.go F. Vito 1, 00168 Rome, Italy
| | - Irene Messana
- Biochemistry and Clinical Biochemistry Institute, Medicine Faculty, Catholic University of Rome, L.go F. Vito 1, 00168 Rome, Italy; Institute of Chemistry of the Molecular Recognition CNR, L.go F. Vito 1, 00168 Rome, Italy
| | - Alessandra Olianas
- Department of Life and Environmental Sciences, Biomedical Section, University of Cagliari, Monserrato Campus, 09042 Monserrato, Cagliari, Italy
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Lousada-Fernandez F, Rapado-Gonzalez O, Lopez-Cedrun JL, Lopez-Lopez R, Muinelo-Romay L, Suarez-Cunqueiro MM. Liquid Biopsy in Oral Cancer. Int J Mol Sci 2018; 19:ijms19061704. [PMID: 29890622 PMCID: PMC6032225 DOI: 10.3390/ijms19061704] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 05/25/2018] [Accepted: 06/05/2018] [Indexed: 12/17/2022] Open
Abstract
Oral cancer is one of the most prevalent forms of cancer worldwide. Carcinogenesis is a complex process, in which heterogeneity plays an important role in the development and progression of the disease. This review provides an overview of the current biological and clinical significance of circulating tumour cells (CTCs), circulating tumour DNA (ctDNA), and exosomes for diagnosis and prognosis of oral cancer. We highlight the importance of liquid biopsy—using blood and saliva—which represents a potential alternative to solid biopsy for diagnosis and prognosis. Moreover, liquid biomarkers allow for the real-time monitoring of tumour evolution and therapeutic responses, initiating the era of personalized medicine. However, in oral cancer, the impact of liquid biopsies in clinical settings is still limited, requiring further studies to discover the best scenario for its clinical use.
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Affiliation(s)
- Fatima Lousada-Fernandez
- Department of Surgery and Medical Surgical Specialties, Medicine and Dentistry School, Universidade de Santiago de Compostela, 15782 Spain.
| | - Oscar Rapado-Gonzalez
- Department of Surgery and Medical Surgical Specialties, Medicine and Dentistry School, Universidade de Santiago de Compostela, 15782 Spain.
- Liquid Biopsy Analysis Unit, Translational Medical Oncology (Oncomet), Health Research Institute of Santiago de Compostela (IDIS), CIBERONC, 15706 Santiago de Compostela, Spain.
| | - Jose-Luis Lopez-Cedrun
- Department of Oral and Maxillofacial Surgery, Complexo Hospitalario Universitario de A Coruña (SERGAS), 15006 La Coruña, Spain.
| | - Rafael Lopez-Lopez
- Translational Medical Oncology, Health Research Institute of Santiago de Compostela (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS), ONCOMET, 15706 Santiago de Compostela, Spain.
| | - Laura Muinelo-Romay
- Liquid Biopsy Analysis Unit, Translational Medical Oncology (Oncomet), Health Research Institute of Santiago de Compostela (IDIS), CIBERONC, 15706 Santiago de Compostela, Spain.
| | - Maria Mercedes Suarez-Cunqueiro
- Department of Surgery and Medical Surgical Specialties, Medicine and Dentistry School, Universidade de Santiago de Compostela, 15782 Spain.
- Oral Sciences, Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, Spain.
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Castagnola M, Scarano E, Passali GC, Messana I, Cabras T, Iavarone F, Di Cintio G, Fiorita A, De Corso E, Paludetti G. Salivary biomarkers and proteomics: future diagnostic and clinical utilities. ACTA OTORHINOLARYNGOLOGICA ITALICA 2018; 37:94-101. [PMID: 28516971 PMCID: PMC5463528 DOI: 10.14639/0392-100x-1598] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Accepted: 12/12/2016] [Indexed: 12/16/2022]
Abstract
Saliva testing is a non-invasive and inexpensive test that can serve as a source of information useful for diagnosis of disease. As we enter the era of genomic technologies and -omic research, collection of saliva has increased. Recent proteomic platforms have analysed the human salivary proteome and characterised about 3000 differentially expressed proteins and peptides: in saliva, more than 90% of proteins in weight are derived from the secretion of three couples of "major" glands; all the other components are derived from minor glands, gingival crevicular fluid, mucosal exudates and oral microflora. The most common aim of proteomic analysis is to discriminate between physiological and pathological conditions. A proteomic protocol to analyze the whole saliva proteome is not currently available. It is possible distinguish two type of proteomic platforms: top-down proteomics investigates intact naturally-occurring structure of a protein under examination; bottom-up proteomics analyses peptide fragments after pre-digestion (typically with trypsin). Because of this heterogeneity, many different biomarkers may be proposed for the same pathology. The salivary proteome has been characterised in several diseases: oral squamous cell carcinoma and oral leukoplakia, chronic graft-versus-host disease Sjögren's syndrome and other autoimmune disorders such as SAPHO, schizophrenia and bipolar disorder, and genetic diseases like Down's Syndrome and Wilson disease. The results of research reported herein suggest that in the near future human saliva will be a relevant diagnostic fluid for clinical diagnosis and prognosis.
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Affiliation(s)
- M Castagnola
- Institute of Biochemistry and Clinical Biochemistry, Catholic University, Rome, Istituto di Chimica del Riconoscimento Molecolare C.N.R. Rome, Italy
| | - E Scarano
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
| | - G C Passali
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
| | - I Messana
- Life and Enviromental Sciences Department, University of Cagliari, and Istituto di Chimica del Riconoscimento Molecolare C.N.R. Rome, Italy
| | - T Cabras
- Life and Enviromental Sciences Department, University of Cagliari, Italy
| | - F Iavarone
- Institute of Biochemistry and Clinical Biochemistry, Catholic University, Rome, Italy
| | - G Di Cintio
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
| | - A Fiorita
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
| | - E De Corso
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
| | - G Paludetti
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
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Theda C, Hwang SH, Czajko A, Loke YJ, Leong P, Craig JM. Quantitation of the cellular content of saliva and buccal swab samples. Sci Rep 2018; 8:6944. [PMID: 29720614 PMCID: PMC5932057 DOI: 10.1038/s41598-018-25311-0] [Citation(s) in RCA: 142] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 04/17/2018] [Indexed: 01/04/2023] Open
Abstract
Buccal swabs and saliva are the two most common oral sampling methods used for medical research. Often, these samples are used interchangeably, despite previous evidence that both contain buccal cells and blood leukocytes in different proportions. For some research, such as epigenetic studies, the cell types contributing to the analysis are highly relevant. We collected such samples from twelve children and twenty adults and, using Papanicolaou staining, measured the proportions of epithelial cells and leukocytes through microscopy. To our knowledge, no studies have compared cellular heterogeneity in buccal swab and saliva samples from adults and children. We confirmed that buccal swabs contained a higher proportion of epithelial cells than saliva and that children have a greater proportion of such cells in saliva compared to adults. At this level of resolution, buccal swabs and saliva contained similar epithelial cell subtypes. Gingivitis in children was associated with a higher proportion of leukocytes in saliva samples but not in buccal swabs. Compared to more detailed and costly methods such as flow cytometry or deconvolution methods used in epigenomic analysis, the procedure described here can serve as a simple and low-cost method to characterize buccal and saliva samples. Microscopy provides a low-cost tool to alert researchers to the presence of oral inflammation which may affect a subset of their samples. This knowledge might be highly relevant to their specific research questions, may assist with sample selection and thus might be crucial information despite the ability of data deconvolution methods to correct for cellular heterogeneity.
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Affiliation(s)
- Christiane Theda
- The Royal Women's Hospital, Parkville, Victoria, Australia.,Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, Victoria, Australia
| | - Seo Hye Hwang
- Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Department of Pathology, University of Melbourne, Parkville, Victoria, Australia
| | - Anna Czajko
- Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Yuk Jing Loke
- Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Pamela Leong
- Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Department of Paediatrics, University of Melbourne, Royal Children's Hospital, Victoria, Australia
| | - Jeffrey M Craig
- Murdoch Children's Research Institute, Parkville, Victoria, Australia. .,Department of Paediatrics, University of Melbourne, Royal Children's Hospital, Victoria, Australia. .,Centre for Molecular and Medical Research, School of Medicine, Deakin University, Geelong, Victoria, Australia.
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Abstract
For generations, blood has been the medium of choice for diagnosing most diseases and conditions. The reason for this is mainly the limitations of technology. The concept of oral diagnostics is preferred to more invasive methods. In recent years, it has become evident that the salivary constituents become detectably altered in response to certain disease states. Even so, what is most impressive is that salivary biomarkers not only arise in correlation with oral disorders but also those of distal tissues and organs. This suggests that oral fluids may represent a substantial reservoir of molecular and microbial information capable of communicating the onset or presence of disease throughout the body. An initiative of the National Institute of Dental and Craniofacial Research created a roadmap to achieve these goals whereby, with the use of oral fluids as the diagnostic medium, it would become possible to scrutinize the health and/or disease status of patients. The real promise of salivary analysis use is the ability of the patient or clinician to directly and continuously assess disease status, progression and therapeutic efficacy. The sensitive analysis may even allow presymptomatic diagnosis. There are five major diagnostic alphabets available in saliva namely, proteins, messenger RNAs, micro-RNAs (mi-RNAs), metabolic compounds and microbes which offer substantial advantages for salivary diagnostics because, the state of the disease may be associated with detectable changes in one, but not all, dimensions. Recently, the Salivaomics Knowledge Base (SKB) has been established by aligning the salivary biomarker discovery. The SKB constitutes data repository, management system and web resource fabricated to support human salivary proteomics, transcriptomics, miRNA, metabolomics and microbiome research.
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Affiliation(s)
- Sonalee Shah
- Department of Oral Pathology and Microbiology, Government Dental College, Raipur, Chhattisgarh, India
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Arantes LMRB, De Carvalho AC, Melendez ME, Lopes Carvalho A. Serum, plasma and saliva biomarkers for head and neck cancer. Expert Rev Mol Diagn 2017; 18:85-112. [PMID: 29134827 DOI: 10.1080/14737159.2017.1404906] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
INTRODUCTION Head and neck squamous cell carcinoma (HNSCC) encompasses tumors arising from several locations (oral and nasal cavities, paranasal sinuses, salivary glands, pharynx, and larynx) and currently stands as the sixth most common cancer worldwide. The most important risk factors identified so far are tobacco and alcohol consumption, and, for a subgroup of HNSCCs, infection with high-risk types of human papillomavirus (HPV). Despite several improvements in the treatment of these tumors in the last decades, overall survival rates have only improved marginally, mainly due to the advanced clinical stage at diagnosis and the high rates of treatment failure associated with this late diagnosis. Areas covered: This review will focus on the feasibility of evaluating molecular-based biomarkers (mRNA, microRNA, lncRNA, DNA methylation and protein expression) in body fluids (serum, plasma, and saliva) as markers for diagnosis, prognosis, and surveillance. Expert commentary: The potential use of those markers in the clinical setting would allow for early diagnosis, prediction of treatment response, improvement in treatment selection and provide disease monitoring for early detection of tumor recurrence. It can ultimately be translated into better survival rates and improved quality of life for HNSCC patients.
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Affiliation(s)
| | | | - Matias Eliseo Melendez
- a Molecular Oncology Research Center , Barretos Cancer Hospital , Barretos - SP , Brazil
| | - André Lopes Carvalho
- a Molecular Oncology Research Center , Barretos Cancer Hospital , Barretos - SP , Brazil
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Pham TAV. Validation of the salivary urea and creatinine tests as screening methods of chronic kidney disease in Vietnamese patients. Acta Odontol Scand 2017; 75:551-556. [PMID: 28724318 DOI: 10.1080/00016357.2017.1356467] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECTIVES The aims of this case control study were to correlate the serum and salivary urea as well as creatinine levels; and to evaluate salivary urea and creatinine as noninvasive alternatives to serum for creatinine estimation in chronic kidney disease (CKD) patients. METHODS Blood and saliva samples were collected from 112 CKD patients and 108 subjects without CKD for quantitative analysis of urea and creatinine. Spearman's correlation coefficients between salivary and serum urea as well as creatinine were obtained. Receiver operating characteristic analysis was done to assess the diagnostic tests of salivary urea and creatinine. Cut-off values were determined based on the best trade-off between the sensitivity and specificity for both salivary urea and creatinine. RESULTS Salivary urea and creatinine concentrations were significantly higher in CKD patients than those in control subjects; and increased by the stages of the severity of the disease. The positive correlation was significantly found between salivary and serum creatinine (r = 0.90) and between salivary and serum urea (r = 0.73). Area under the curve for salivary urea was 0.76 and a cut-off value of 14.25 mmol/L gave a sensitivity of 82.9% and specificity of 57.8%. Area under the curve for salivary creatinine was 0.92 and a cut-off value of 0.24 mg/dL gave a sensitivity of 86.5% and specificity of 87.2%. CONCLUSIONS Both salivary urea and creatinine have a high capacity for serum creatinine estimation. Salivary urea and creatinine tests can be used as low-cost, easily accessible and noninvasive tools for screening, diagnosing, monitoring treatment outcomes and ascertaining prognosis of chronic kidney disease.
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Affiliation(s)
- Thuy Anh Vu Pham
- Department of Periodontology, Faculty of Odonto-Stomatology, University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam
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Helmerhorst EJ, Dawes C, Oppenheim FG. The complexity of oral physiology and its impact on salivary diagnostics. Oral Dis 2017; 24:363-371. [PMID: 28922514 DOI: 10.1111/odi.12780] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 08/28/2017] [Accepted: 08/30/2017] [Indexed: 12/29/2022]
Abstract
OBJECTIVES Saliva contains biomarkers for systemic as well as oral diseases. This study was undertaken to assess the variability in the sources of such biomarkers (plasma, cells) and attempted to identify saliva deterioration markers in order to improve saliva diagnostic outcomes. MATERIALS AND METHODS Inter- and intrasubject variations in salivary gingival crevicular fluid levels were determined by measuring salivary albumin and transferrin levels. The purity of collected glandular secretions was determined by bacterial culture, and the variability in epithelial cell numbers by cell counting and optical density measurement. Saliva sample deterioration markers were identified by RP-HPLC and LC-ESI-MS/MS. RESULTS Tenfold variations were observed in plasma-derived albumin and transferrin levels, emphasizing the need for biomarker normalization with respect to plasma contributions to saliva. Epithelial cell levels varied 50-fold in samples collected before and after a meal. Salivary fungal levels varied within subjects and among subjects from 0 to >1,000 colony-forming units per milliliter. In saliva samples incubated for various time intervals at 37°C, five peptides were identified that steadily increased in intensity over time and which could be explored as "deterioration markers." CONCLUSION Taking saliva characteristics appropriately into account will help realize the promise that this body fluid is suitable to be exploited for reliable healthcare monitoring and surveillance.
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Affiliation(s)
- E J Helmerhorst
- Department of Molecular and Cell Biology, Boston University Henry M. Goldman School of Dental Medicine, Boston, MA, USA
| | - C Dawes
- Department of Oral Biology, University of Manitoba, Winnipeg, MB, Canada
| | - F G Oppenheim
- Department of Molecular and Cell Biology, Boston University Henry M. Goldman School of Dental Medicine, Boston, MA, USA.,Department of Periodontology, Boston University Henry M. Goldman School of Dental Medicine, Boston, MA, USA
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Renda R. Can salivary creatinine and urea levels be used to diagnose chronic kidney disease in children as accurately as serum creatinine and urea levels? A case-control study. Ren Fail 2017; 39:452-457. [PMID: 28372505 PMCID: PMC6446173 DOI: 10.1080/0886022x.2017.1308256] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background and aim: Children with chronic kidney disease (CKD) develop many metabolic changes in blood that often necessitate frequent biochemical analysis. Serum analysis is an invasive and painful procedure. It would be highly beneficial if a noninvasive alternative process to serum analysis in children were identified. Saliva can be collected noninvasively, repeatedly, and without the use of healthcare personnel. The aims of this study were to compare serum and salivary urea and creatinine levels in children with CKD and healthy controls, and to determine if salivary creatinine and urea levels can be used to diagnose CKD in children as accurately as serum creatinine and urea levels. Materials and methods: This case–control study included 35 children with CKD and 28 healthy children as controls. Saliva and blood samples were collected for measurement of urea and creatinine levels. The urea and creatinine levels in serum and saliva in the CKD and control groups were compared using the independent samples Mann–Whitney U test. Correlations between the serum and salivary urea and creatinine levels were determined using Pearson’s correlation coefficient. Receiver operating characteristic analysis was used to assess the diagnostic performance of salivary creatinine and cutoff values were identified. Results: In the CKD group, the mean salivary creatinine level was 0.45 mg/dL and the mean salivary urea level was 0.11 mg/dL, versus 28.83 mg/dL and 21.78 mg/dL, respectively, in the control group. Stage 4 and 5 CKD patients had a mean salivary urea level of 31.35 mg/dL, as compared to 17.78 mg/dL in the control group. Serum urea and creatinine, and salivary creatinine were significantly higher in the CKD patients (regardless of disease stage) than in the controls (p < .05). The salivary urea level was significantly higher in the stage 4 and 5 CKD patients than in the controls (p < .05). There was a positive correlation between serum and salivary creatinine. The area under the curve for salivary creatinine was 0.805. The cutoff value for salivary creatinine was 0.125 mg/dL, with a sensitivity of 82.9% and specificity of 78.6%. Conclusions: Based on the positive correlation between the serum and saliva creatinine levels observed in the present study, we think saliva analysis could be used as a noninvasive alternative to blood analysis for diagnosing CKD in children.
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Affiliation(s)
- Rahime Renda
- a Department of Pediatric Nephrology , Antalya Research and Education Hospital , Antalya , Turkey
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Sommakia S, Baker OJ. Regulation of inflammation by lipid mediators in oral diseases. Oral Dis 2017; 23:576-597. [PMID: 27426637 PMCID: PMC5243936 DOI: 10.1111/odi.12544] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 07/08/2016] [Accepted: 07/13/2016] [Indexed: 02/06/2023]
Abstract
Lipid mediators (LM) of inflammation are a class of compounds derived from ω-3 and ω-6 fatty acids that play a wide role in modulating inflammatory responses. Some LM possess pro-inflammatory properties, while others possess proresolving characteristics, and the class switch from pro-inflammatory to proresolving is crucial for tissue homeostasis. In this article, we review the major classes of LM, focusing on their biosynthesis and signaling pathways, and their role in systemic and, especially, oral health and disease. We discuss the detection of these LM in various body fluids, focusing on diagnostic and therapeutic applications. We also present data showing gender-related differences in salivary LM levels in healthy controls, leading to a hypothesis on the etiology of inflammatory diseases, particularly Sjögren's syndrome. We conclude by enumerating open areas of research where further investigation of LM is likely to result in therapeutic and diagnostic advances.
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Affiliation(s)
- Salah Sommakia
- School of Dentistry, The University of Utah, Salt Lake City, UT, USA
| | - Olga J. Baker
- School of Dentistry, The University of Utah, Salt Lake City, UT, USA
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Mira A, Artacho A, Camelo-Castillo A, Garcia-Esteban S, Simon-Soro A. Salivary Immune and Metabolic Marker Analysis (SIMMA): A Diagnostic Test to Predict Caries Risk. Diagnostics (Basel) 2017; 7:diagnostics7030038. [PMID: 28654016 PMCID: PMC5617938 DOI: 10.3390/diagnostics7030038] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 06/15/2017] [Accepted: 06/16/2017] [Indexed: 01/20/2023] Open
Abstract
By using ELISA and colorimetric tests, we have measured 25 compounds in individuals with and without dental caries at different time points of dental biofilm formation and time of the day. We find that some compounds appear to be affected by circadian rhythms, others by dental plaque maturity, and others show constant values during a 24 h period. Using univariate analysis and cross-validation techniques, we have selected six components measured at specific time points that maximize the diagnostic separation of health and disease conditions. Two out of the six selected compounds are related to immune competence, another two to the adhesion capacity of micro-organisms, and another two to acid production or pH buffering. We conclude that, in order to design a robust caries risk test, the time of saliva sampling must be standardized and biomarkers from different categories must be included. The preliminary data shown in this paper provide a proof of principle of a caries risk test based on risk-associated categories. Thus, the test will provide not only a general caries risk assessment, but also the likely biological origin of that risk, namely: immune imbalance, and/or a tendency to adhesion of cariogenic organisms, and/or a lack of acid buffering. When tested longitudinally and validated in larger cohorts, this could open the possibility to develop preventive and personalized treatments.
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Affiliation(s)
- Alex Mira
- Center for Advanced Research in Public Health, FISABIO Foundation, Valencia 46020, Spain.
| | - Alejandro Artacho
- Center for Advanced Research in Public Health, FISABIO Foundation, Valencia 46020, Spain.
| | - Anny Camelo-Castillo
- Center for Advanced Research in Public Health, FISABIO Foundation, Valencia 46020, Spain.
| | - Sandra Garcia-Esteban
- Center for Advanced Research in Public Health, FISABIO Foundation, Valencia 46020, Spain.
| | - Aurea Simon-Soro
- Center for Advanced Research in Public Health, FISABIO Foundation, Valencia 46020, Spain.
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Hassaneen M, Maron JL. Salivary Diagnostics in Pediatrics: Applicability, Translatability, and Limitations. Front Public Health 2017; 5:83. [PMID: 28473973 PMCID: PMC5397421 DOI: 10.3389/fpubh.2017.00083] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 04/03/2017] [Indexed: 12/21/2022] Open
Abstract
In the last decade, technological advances, combined with an improved appreciation of the ability of saliva to inform caregivers about both oral health and systemic disease, have led to the emergence of salivary diagnostic platforms. However, the majority of these assays have targeted diseases that more commonly affect the adult population, largely neglecting infants and children who arguably could benefit the most from non-invasive assessment tools for health monitoring. Gaining access into development, infection, and disease through comprehensive "omic" analyses of saliva could significantly improve care and enhance health access. In this review, we will highlight novel applications of salivary diagnostics in pediatrics across the "omic" spectrum, including at the genomic, transcriptomic, proteomic, microbiomic, and metabolomic level. The challenges to implementing salivary platforms into care, including the effects of age, diet, and developmental stage on salivary components, will be reviewed. Ultimately, large-scale, multicenter trials must be performed to establish normative biomarker values across the age spectrum to accurately discriminate between health and disease. Only then can salivary diagnostics truly translate into pediatric care.
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Affiliation(s)
- Mona Hassaneen
- Mother Infant Research Institute at Tufts Medical Center, Boston, MA, USA
| | - Jill L. Maron
- Mother Infant Research Institute at Tufts Medical Center, Boston, MA, USA
- Division of Newborn Medicine, Floating Hospital for Children at Tufts Medical Center, Boston, MA, USA
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Goodson JM, Hartman ML, Shi P, Hasturk H, Yaskell T, Vargas J, Song X, Cugini M, Barake R, Alsmadi O, Al-Mutawa S, Ariga J, Soparkar P, Behbehani J, Behbehani K. The salivary microbiome is altered in the presence of a high salivary glucose concentration. PLoS One 2017; 12:e0170437. [PMID: 28249034 PMCID: PMC5331956 DOI: 10.1371/journal.pone.0170437] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 01/04/2017] [Indexed: 01/30/2023] Open
Abstract
Background Type II diabetes (T2D) has been associated with changes in oral bacterial diversity and frequency. It is not known whether these changes are part of the etiology of T2D, or one of its effects. Methods We measured the glucose concentration, bacterial counts, and relative frequencies of 42 bacterial species in whole saliva samples from 8,173 Kuwaiti adolescents (mean age 10.00 ± 0.67 years) using DNA probe analysis. In addition, clinical data related to obesity, dental caries, and gingivitis were collected. Data were compared between adolescents with high salivary glucose (HSG; glucose concentration ≥ 1.0 mg/d, n = 175) and those with low salivary glucose (LSG, glucose concentration < 0.1 mg/dL n = 2,537). Results HSG was associated with dental caries and gingivitis in the study population. The overall salivary bacterial load in saliva decreased with increasing salivary glucose concentration. Under HSG conditions, the bacterial count for 35 (83%) of 42 species was significantly reduced, and relative bacterial frequencies in 27 species (64%) were altered, as compared with LSG conditions. These alterations were stronger predictors of high salivary glucose than measures of oral disease, obesity, sleep or fitness. Conclusions HSG was associated with a reduction in overall bacterial load and alterations to many relative bacterial frequencies in saliva when compared with LSG in samples from adolescents. We propose that hyperglycemia due to obesity and/or T2D results in HSG and subsequent acidification of the oral environment, leading to a generalized perturbation in the oral microbiome. This suggests a basis for the observation that hyperglycemia is associated with an increased risk of dental erosion, dental caries, and gingivitis. We conclude that HSG in adolescents may be predicted from salivary microbial diversity or frequency, and that the changes in the oral microbial composition seen in adolescents with developing metabolic disease may the consequence of hyperglycemia.
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Affiliation(s)
- J. Max Goodson
- Department of Applied Oral Sciences, the Forsyth Research Institute, Cambridge, Massachusetts, United States of America
- * E-mail:
| | - Mor-Li Hartman
- Department of Applied Oral Sciences, the Forsyth Research Institute, Cambridge, Massachusetts, United States of America
| | - Ping Shi
- Department of Applied Oral Sciences, the Forsyth Research Institute, Cambridge, Massachusetts, United States of America
| | - Hatice Hasturk
- Department of Applied Oral Sciences, the Forsyth Research Institute, Cambridge, Massachusetts, United States of America
| | - Tina Yaskell
- Department of Applied Oral Sciences, the Forsyth Research Institute, Cambridge, Massachusetts, United States of America
| | - Jorel Vargas
- Department of Applied Oral Sciences, the Forsyth Research Institute, Cambridge, Massachusetts, United States of America
| | - Xiaoqing Song
- Department of Applied Oral Sciences, the Forsyth Research Institute, Cambridge, Massachusetts, United States of America
| | - Maryann Cugini
- Department of Applied Oral Sciences, the Forsyth Research Institute, Cambridge, Massachusetts, United States of America
| | - Roula Barake
- The Dasman Diabetes Institute, Kuwait City, Kuwait
| | | | | | | | - Pramod Soparkar
- Department of Applied Oral Sciences, the Forsyth Research Institute, Cambridge, Massachusetts, United States of America
| | - Jawad Behbehani
- Kuwait University, Faculty of Dentistry, Kuwait City, Kuwait
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Ekström J, Khosravani N, Castagnola M, Messana I. Saliva and the Control of Its Secretion. Dysphagia 2017. [DOI: 10.1007/174_2017_143] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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