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Huang Z, Yang X, Huang Y, Tang Z, Chen Y, Liu H, Huang M, Qing L, Li L, Wang Q, Jie Z, Jin X, Jia B. Saliva - a new opportunity for fluid biopsy. Clin Chem Lab Med 2023; 61:4-32. [PMID: 36285724 DOI: 10.1515/cclm-2022-0793] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 09/29/2022] [Indexed: 12/15/2022]
Abstract
Saliva is a complex biological fluid with a variety of biomolecules, such as DNA, RNA, proteins, metabolites and microbiota, which can be used for the screening and diagnosis of many diseases. In addition, saliva has the characteristics of simple collection, non-invasive and convenient storage, which gives it the potential to replace blood as a new main body of fluid biopsy, and it is an excellent biological diagnostic fluid. This review integrates recent studies and summarizes the research contents of salivaomics and the research progress of saliva in early diagnosis of oral and systemic diseases. This review aims to explore the value and prospect of saliva diagnosis in clinical application.
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Affiliation(s)
- Zhijie Huang
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Xiaoxia Yang
- Department of Endodontics, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Yisheng Huang
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Zhengming Tang
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Yuanxin Chen
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Hongyu Liu
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Mingshu Huang
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Ling Qing
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Li Li
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Qin Wang
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Zhuye Jie
- BGI Genomics, BGI-Shenzhen, Shenzhen, P.R. China
- Shenzhen Key Laboratory of Human Commensal Microorganisms and Health Research, BGI-Shenzhen, Shenzhen, P.R. China
- Laboratory of Genomics and Molecular Biomedicine, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Xin Jin
- BGI Genomics, BGI-Shenzhen, Shenzhen, P.R. China
- School of Medicine, South China University of Technology, Guangzhou, P.R. China
| | - Bo Jia
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
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Xiang J, Huang W, He Y, Li Y, Wang Y, Chen R. Construction of artificial neural network diagnostic model and analysis of immune infiltration for periodontitis. Front Genet 2022; 13:1041524. [PMID: 36457739 PMCID: PMC9705329 DOI: 10.3389/fgene.2022.1041524] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 11/04/2022] [Indexed: 09/07/2023] Open
Abstract
Background: Periodontitis is a chronic inflammatory disease leading to tooth loss in severe cases, and early diagnosis is essential for periodontitis prevention. This study aimed to construct a diagnostic model for periodontitis using a random forest algorithm and an artificial neural network (ANN). Methods: Gene expression data of two large cohorts of patients with periodontitis, GSE10334 and GSE16134, were downloaded from the Gene Expression Omnibus database. We screened for differentially expressed genes in the GSE10334 cohort, identified key periodontitis biomarkers using a Random Forest algorithm, and constructed a classification artificial neural network model, using receiver operating characteristic curves to evaluate its diagnostic utility. Furthermore, patients with periodontitis were classified using a consensus clustering algorithm. The immune infiltration landscape was assessed using CIBERSOFT and single-sample Gene Set Enrichment Analysis. Results: A total of 153 differentially expressed genes were identified, of which 42 were downregulated. We utilized 13 key biomarkers to establish a periodontitis diagnostic model. The model had good predictive performance, with an area under the receiver operative characteristic curve (AUC) of 0.945. The independent cohort (GSE16134) was used to further validate the model's accuracy, showing an area under the receiver operative characteristic curve of 0.900. The proportion of plasma cells was highest in samples from patients with period ontitis, and 13 biomarkers were closely related to immunity. Two molecular subgroups were defined in periodontitis, with one cluster suggesting elevated levels of immune infiltration and immune function. Conclusion: We successfully identified key biomarkers of periodontitis using machine learning and developed a satisfactory diagnostic model. Our model may provide a valuable reference for the prevention and early detection of periodontitis.
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Affiliation(s)
| | | | | | | | - Yuanyin Wang
- College and Hospital of Stomatology, Anhui Medical University, Key Lab of Oral Diseases Research of Anhui Province, Hefei, China
| | - Ran Chen
- College and Hospital of Stomatology, Anhui Medical University, Key Lab of Oral Diseases Research of Anhui Province, Hefei, China
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Aldulaijan HA, Al-Zawawi AS, Shaheen MY, Ali D, Divakar DD, Basudan AM. Assessment of salivary alpha amylase and mucin-4 before and after non-surgical treatment of peri-implant mucositis. Int J Implant Dent 2022; 8:30. [PMID: 35834021 PMCID: PMC9283593 DOI: 10.1186/s40729-022-00429-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 06/30/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The present study was based on the null hypothesis that there is no difference in clinicoradiographic parameters and whole salivary alpha amylase (AA) and mucin-4 levels before and after non-surgical mechanical debridement (NSMD) of patients with peri-implant mucositis (PM). The aim was to assess whole salivary AA and mucin-4 levels before and after treatment of PM. METHODS Patients with PM (Group-1) and individuals without peri-implant diseases (Group-2) were included. Demographic data was collected and peri-implant modified plaque and bleeding indices (mPI and mBI, respectively), probing depth (PD) and crestal bone loss were measured at baseline. Levels of AA and mucin-4 were assessed in unstimulated whole saliva samples. All patients underwent full-mouth non-surgical periodontal therapy (NSPT) and NSMD; and clinical parameters and salivary biomarkers were re-assessed after 3 months. Level of significance was set at P < 0.01. RESULTS Twenty-six and 32 individuals were included in groups 1 and 2, respectively. None of the participants had periodontitis. At baseline clinical periodontal parameters (PI [P < 0.001], GI [P < 0.001], clinical AL [P < 0.001] and PD [P < 0.001]) were significantly high in Group-1 than Group-2. At 3-month follow-up, there was a statistically significant reduction in clinical periodontal and peri-implant parameters (PI [P < 0.01], GI [P < 0.01], and PD [P < 0.01]) in Group-1 compared with their baseline values. At baseline, salivary AA levels were significantly high in Group-1 than Group-2 (P < 0.01). At 3-month follow-up, there was no significant difference in whole salivary AA levels among patients in groups 1 and 2. CONCLUSIONS The AA and mucin-4 levels are potential biomarkers for evaluation of peri-implant diseases including PM. Mechanical instrumentation continues to be the most predictable treatment option for the management of peri-implant diseases.
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Affiliation(s)
- Hajer A Aldulaijan
- Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, 11451, Saudi Arabia.
| | - Abeer S Al-Zawawi
- Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Marwa Y Shaheen
- Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Dena Ali
- Department of General Dental Practice, Kuwait University, P. O. Box 24923, 13110, Safat, Kuwait
| | - Darshan Devang Divakar
- Department of Oral Medicine and Radiology, Sharavathi Dental College and Hospital, Shivamogga, 577204, Karnataka, India.,Department of Oral Medicine and Radiology, Faculty of Dentistry, Levy Mwanawasa Medical University (LMMU), Ministry of Health, Lusaka, Zambia
| | - Amani M Basudan
- Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, 11451, Saudi Arabia
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Bueno-Silva B, Bueno MR, Kawamoto D, Casarin RC, Pingueiro JMS, Alencar SM, Rosalen PL, Mayer MPA. Anti-Inflammatory Effects of (3S)-Vestitol on Peritoneal Macrophages. Pharmaceuticals (Basel) 2022; 15:ph15050553. [PMID: 35631379 PMCID: PMC9145271 DOI: 10.3390/ph15050553] [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: 04/04/2022] [Revised: 04/25/2022] [Accepted: 04/28/2022] [Indexed: 11/16/2022] Open
Abstract
The isoflavone (3S)-vestitol, obtained from red propolis, has exhibited anti-inflammatory, antimicrobial, and anti-caries activity; however, few manuscripts deal with its anti-inflammatory mechanisms in macrophages. The objective is to elucidate the anti-inflammatory mechanisms of (3S)-vestitol on those cells. Peritoneal macrophages of C57BL6 mice, stimulated with lipopolysaccharide, were treated with 0.37 to 0.59 µM of (3S)-vestitol for 48 h. Then, nitric oxide (NO) quantities, macrophages viability, the release of 20 cytokines and the transcription of several genes related to cytokine production and inflammatory response were evaluated. The Tukey–Kramer variance analysis test statistically analyzed the data. (3S)-vestitol 0.55 µM (V55) lowered NO release by 60% without altering cell viability and diminished IL-1β, IL-1α, G-CSF, IL-10 and GM-CSF levels. V55 reduced expression of Icam-1, Wnt5a and Mmp7 (associated to inflammation and tissue destruction in periodontitis) and Scd1, Scd2, Egf1 (correlated to atherosclerosis). V55 increased expression of Socs3 and Dab2 genes (inhibitors of cytokine signaling and NF-κB pathway), Apoe (associated to atherosclerosis control), Igf1 (encoder a protein with analogous effects to insulin) and Fgf10 (fibroblasts growth factor). (3S)-vestitol anti-inflammatory mechanisms involve cytokines and NF-κB pathway inhibition. Moreover, (3S)-vestitol may be a candidate for future in vivo investigations about the treatment/prevention of persistent inflammatory diseases such as atherosclerosis and periodontitis.
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Affiliation(s)
- Bruno Bueno-Silva
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-900, SP, Brazil; (M.R.B.); (D.K.); (M.P.A.M.)
- Dental Research Division, Guarulhos University, Guarulhos 07023-070, SP, Brazil;
- Correspondence:
| | - Manuela Rocha Bueno
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-900, SP, Brazil; (M.R.B.); (D.K.); (M.P.A.M.)
| | - Dione Kawamoto
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-900, SP, Brazil; (M.R.B.); (D.K.); (M.P.A.M.)
| | - Renato C. Casarin
- Piracicaba Dental School, University of Campinas-UNICAMP, Piracicaba 13414-903, SP, Brazil; (R.C.C.); (P.L.R.)
| | | | - Severino Matias Alencar
- College of Agriculture “Luiz de Queiroz” (ESALQ/USP), University of São Paulo, Piracicaba 13418-900, SP, Brazil;
| | - Pedro Luiz Rosalen
- Piracicaba Dental School, University of Campinas-UNICAMP, Piracicaba 13414-903, SP, Brazil; (R.C.C.); (P.L.R.)
| | - Marcia Pinto Alves Mayer
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-900, SP, Brazil; (M.R.B.); (D.K.); (M.P.A.M.)
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Eriksson K, Lundmark A, Delgado LF, Hu YOO, Fei G, Lee L, Fei C, Catrina AI, Jansson L, Andersson AF, Yucel-Lindberg T. Salivary Microbiota and Host-Inflammatory Responses in Periodontitis Affected Individuals With and Without Rheumatoid Arthritis. Front Cell Infect Microbiol 2022; 12:841139. [PMID: 35360114 PMCID: PMC8964114 DOI: 10.3389/fcimb.2022.841139] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/09/2022] [Indexed: 12/24/2022] Open
Abstract
Objectives Periodontitis and rheumatoid arthritis (RA) are two widespread chronic inflammatory diseases with a previously suggested association. The objective of the current study was to compare the oral microbial composition and host´s inflammatory mediator profile of saliva samples obtained from subjects with periodontitis, with and without RA, as well as to predict biomarkers, of bacterial pathogens and/or inflammatory mediators, for classification of samples associated with periodontitis and RA. Methods Salivary samples were obtained from 53 patients with periodontitis and RA and 48 non-RA with chronic periodontitis. The microbial composition was identified using 16S rRNA gene sequencing and compared across periodontitis patients with and without RA. Levels of inflammatory mediators were determined using a multiplex bead assay, compared between the groups and correlated to the microbial profile. The achieved data was analysed using PCoA, DESeq2 and two machine learning algorithms, OPLS-DA and sPLS-DA. Results Differential abundance DESeq2 analyses showed that the four most highly enriched (log2 FC >20) amplicon sequence variants (ASVs) in the non-RA periodontitis group included Alloprevotella sp., Prevotella sp., Haemophilus sp., and Actinomyces sp. whereas Granulicatella sp., Veillonella sp., Megasphaera sp., and Fusobacterium nucleatum were the most highly enriched ASVs (log2 FC >20) in the RA group. OPLS-DA with log2 FC analyses demonstrated that the top ASVs with the highest importance included Vampirovibrio sp. having a positive correlation with non-RA group, and seven ASVs belonging to Sphingomonas insulae, Sphingobium sp., Novosphingobium aromaticivorans, Delftia acidovorans, Aquabacterium spp. and Sphingomonas echinoides with a positive correlation with RA group. Among the detected inflammatory mediators in saliva samples, TWEAK/TNFSF12, IL-35, IFN-α2, pentraxin-3, gp130/sIL6Rb, sIL-6Ra, IL-19 and sTNF-R1 were found to be significantly increased in patients with periodontitis and RA compared to non-RA group with periodontitis. Moreover, correlations between ASVs and inflammatory mediators using sPLS-DA analysis revealed that TWEAK/TNFSF12, pentraxin-3 and IL-19 were positively correlated with the ASVs Sphingobium sp., Acidovorax delafieldii, Novosphingobium sp., and Aquabacterium sp. Conclusion Our results suggest that the combination of microbes and host inflammatory mediators could be more efficient to be used as a predictable biomarker associated with periodontitis and RA, as compared to microbes and inflammatory mediators alone.
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Affiliation(s)
- Kaja Eriksson
- Department of Dental Medicine, Division of Pediatric Dentistry, Karolinska Institutet, Huddinge, Sweden
- *Correspondence: Kaja Eriksson, ; Tülay Yucel-Lindberg,
| | - Anna Lundmark
- Department of Dental Medicine, Division of Pediatric Dentistry, Karolinska Institutet, Huddinge, Sweden
| | - Luis F. Delgado
- KTH Royal Institute of Technology, Science for Life Laboratory, Department of Gene Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Stockholm, Sweden
| | - Yue O. O. Hu
- Department of Microbiology, Tumor and Cell Biology, Centre for Translational Microbiome Research, Karolinska Institutet, Stockholm, Sweden
| | - Guozhong Fei
- Center for Rheumatology, Academic Specialist Center, Stockholm Health Region, Stockholm, Sweden
| | - Linkiat Lee
- Department of Dental Medicine, Division of Pediatric Dentistry, Karolinska Institutet, Huddinge, Sweden
| | - Carina Fei
- Department of Dental Medicine, Division of Pediatric Dentistry, Karolinska Institutet, Huddinge, Sweden
| | - Anca I. Catrina
- Rheumatology Clinic, Karolinska University Hospital, Stockholm, Sweden
| | - Leif Jansson
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
- Department of Periodontology, Folktandvården Stockholms län AB, Folktandvården Eastmaninstitutet, Stockholm, Sweden
| | - Anders F. Andersson
- KTH Royal Institute of Technology, Science for Life Laboratory, Department of Gene Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Stockholm, Sweden
| | - Tülay Yucel-Lindberg
- Department of Dental Medicine, Division of Pediatric Dentistry, Karolinska Institutet, Huddinge, Sweden
- *Correspondence: Kaja Eriksson, ; Tülay Yucel-Lindberg,
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Jiang D, Zhou Z, Shen Y, Tang X, Gou X, Huang M, Tong Y, Chen M, Yu CQ. Expression and significance of mucin-4 and matrix metalloproteinase-7 in peri-implant disease. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2022; 40:45-51. [PMID: 38596992 PMCID: PMC8905267 DOI: 10.7518/hxkq.2022.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 11/08/2021] [Indexed: 04/11/2024]
Abstract
OBJECTIVES This study aims to detect the levels of mucin (MUC)-4, metalloproteinase (MMP)-7, and MMP-8 in peri-implant crevicular fluid (PICF) and investigate whether the novel combinations of MMP-7 and MUC-4 are effective markers of peri-implant diseases, particularly when used in the PICF of healthy individuals, to provide a theoretical basis for finding a novel reference index that can aid the diagnosis, evaluation, and treatment of peri-implant diseases. METHODS A total of 63 subjects with 2-5 years of upper prosthesis loading were selected according to inclusion and exclusion criteria, composed of 24 controls and 39 patients with peri-implantitis (PI) group. MUC-4, MMP-7, and MMP-8 levels were detected through enzyme linked immunosorbent assay (ELISA). RESULTS No significant differences in age, sex, and other parameters were found between the PI and control groups. The PI group had higher MMP-7 and MMP-8 expression levels (P<0.05) but lower MUC-4 level (P<0.001). Correlation analysis showed that MMP-7 was positively correlated with pocket probing depth (PPD) (r=0.451, P<0.001); MMP-8 was positively correlated with PPD, bleeding on probing (BOP), and gingival index (GI) (r=0.619, P<0.001; r=0.478, P<0.001; r=0.332, P=0.009). MUC-4 was negatively correlated with PPD, BOP, and GI (r=-0.492, P<0.001; r=-0.321, P=0.010; r=-0.396, P=0.001). MMP-7, MMP-8, and MUC-4 had certain diagnostic efficacy for PI. MMP-8 exhibited the best diagnostic efficacy for PI. When the cutoff value of MMP-8 was >21.21, the area under the curve (AUC) was 0.868, and the sensitivity and specificity for the diagnosis of PI were 0.96 and 0.68, respectively. The diagnostic efficacy of MMP-7 and MUC-4 parallel diagnostic models was higher than that of each factor, and the diagnostic sensitivity of the model for PI was 0.96, and the specificity was 0.56. CONCLUSIONS Differences in MMP-7 and MUC-4 levels were found between the inflammation and control groups and may be diagnostic indicators for predicting PI; combinations of MMP-7 and MUC-4 had a good diagnostic value for inflammation.
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Affiliation(s)
- Dandan Jiang
- Dept. of Stomatology, the First Affiliated Hospital, Medical College, Shihezi University, Shihezi 832000, China
| | - Zheng Zhou
- Dept. of Stomatology, the First Affiliated Hospital, Medical College, Shihezi University, Shihezi 832000, China
| | - Yufeng Shen
- Dept. of Stomatology, the First Affiliated Hospital, Medical College, Shihezi University, Shihezi 832000, China
| | - Xiaoxue Tang
- Dept. of Stomatology, the First Affiliated Hospital, Medical College, Shihezi University, Shihezi 832000, China
| | - Xiaorui Gou
- Dept. of Stomatology, the First Affiliated Hospital, Medical College, Shihezi University, Shihezi 832000, China
| | - Meiyu Huang
- Dept. of Stomatology, the First Affiliated Hospital, Medical College, Shihezi University, Shihezi 832000, China
| | - Yizhou Tong
- Dept. of Stomatology, Shihezi University, Shihezi 832000, China
| | - Miaomiao Chen
- Dept. of Stomatology, the First Affiliated Hospital, Medical College, Shihezi University, Shihezi 832000, China
| | - Chong-Qing Yu
- Dept. of Stomatology, the First Affiliated Hospital, Medical College, Shihezi University, Shihezi 832000, China
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Dieterle MP, Husari A, Steinberg T, Wang X, Ramminger I, Tomakidi P. From the Matrix to the Nucleus and Back: Mechanobiology in the Light of Health, Pathologies, and Regeneration of Oral Periodontal Tissues. Biomolecules 2021; 11:824. [PMID: 34073044 PMCID: PMC8228498 DOI: 10.3390/biom11060824] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/25/2021] [Accepted: 05/27/2021] [Indexed: 02/07/2023] Open
Abstract
Among oral tissues, the periodontium is permanently subjected to mechanical forces resulting from chewing, mastication, or orthodontic appliances. Molecularly, these movements induce a series of subsequent signaling processes, which are embedded in the biological concept of cellular mechanotransduction (MT). Cell and tissue structures, ranging from the extracellular matrix (ECM) to the plasma membrane, the cytosol and the nucleus, are involved in MT. Dysregulation of the diverse, fine-tuned interaction of molecular players responsible for transmitting biophysical environmental information into the cell's inner milieu can lead to and promote serious diseases, such as periodontitis or oral squamous cell carcinoma (OSCC). Therefore, periodontal integrity and regeneration is highly dependent on the proper integration and regulation of mechanobiological signals in the context of cell behavior. Recent experimental findings have increased the understanding of classical cellular mechanosensing mechanisms by both integrating exogenic factors such as bacterial gingipain proteases and newly discovered cell-inherent functions of mechanoresponsive co-transcriptional regulators such as the Yes-associated protein 1 (YAP1) or the nuclear cytoskeleton. Regarding periodontal MT research, this review offers insights into the current trends and open aspects. Concerning oral regenerative medicine or weakening of periodontal tissue diseases, perspectives on future applications of mechanobiological principles are discussed.
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Affiliation(s)
- Martin Philipp Dieterle
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany; (M.P.D.); (X.W.); (I.R.); (P.T.)
| | - Ayman Husari
- Center for Dental Medicine, Department of Orthodontics, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany;
- Faculty of Engineering, University of Freiburg, Georges-Köhler-Allee 101, 79110 Freiburg, Germany
| | - Thorsten Steinberg
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany; (M.P.D.); (X.W.); (I.R.); (P.T.)
| | - Xiaoling Wang
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany; (M.P.D.); (X.W.); (I.R.); (P.T.)
| | - Imke Ramminger
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany; (M.P.D.); (X.W.); (I.R.); (P.T.)
| | - Pascal Tomakidi
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center—University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany; (M.P.D.); (X.W.); (I.R.); (P.T.)
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Ryu HJ, Lee WK, Kim YH, Lee JS. Interfacial interactions of SERS-active noble metal nanostructures with functional ligands for diagnostic analysis of protein cancer markers. Mikrochim Acta 2021; 188:164. [PMID: 33844071 DOI: 10.1007/s00604-021-04807-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 03/22/2021] [Indexed: 12/27/2022]
Abstract
Noble metal nanostructures with designed hot spots have been widely investigated as surface-enhanced Raman spectroscopy (SERS)-active substrates, particularly for selective and sensitive detection of protein cancer markers. For specific target recognition and efficient signal amplification, SERS probe design requires a choice of SERS-active nanostructures as well as their controlled functionalization with Raman dyes and target recognition entities such as antibodies. However, the chemical conjugation of antibodies and Raman dyes to SERS substrates has rarely been discussed to date, despite their substantial roles in detection schemes. The interfacial interactions of metal nanostructures with functional ligands during conjugation are known to be strongly influenced by the various chemical and physical properties of the ligands, such as size, molecular weight, surface charge, 3-dimensional structures, and hydrophilicity/hydrophobicity. In this review, we discuss recent developments in the design of SERS probes over the last 4 years, focusing on their conjugation chemistry for functionalization. A strong preference for covalent bonding is observed with Raman dyes having simpler molecular structures, whereas more complicated ones are non-covalently adsorbed. Antibodies are both covalently and non-covalently bonded to nanostructures, depending on their activity in the SERS probes. Considering that ligand conjugation is highly important for chemical stability, biocompatibility, and functionality of SERS probes, this review is expected to expand the understanding of their interfacial design, leading to SERS as one of the most promising spectroscopic analytical tools for the early detection of protein cancer markers.
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Affiliation(s)
- Han-Jung Ryu
- Department of Materials Science and Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Won Kyu Lee
- Department of Materials Science and Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Yoon Hyuck Kim
- Department of Materials Science and Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Jae-Seung Lee
- Department of Materials Science and Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea.
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A practical method to screen and identify functioning biomarkers in nasopharyngeal carcinoma. Sci Rep 2021; 11:7294. [PMID: 33790390 PMCID: PMC8012388 DOI: 10.1038/s41598-021-86809-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 03/19/2021] [Indexed: 12/24/2022] Open
Abstract
Nasopharyngeal carcinoma (NPC) is a rare malignancy, with the unique geographical and ethnically characteristics of distribution. Gene chip and bioinformatics have been employed to reveal regulatory mechanisms in current functional genomics. However, a practical solution addressing the unresolved aspects of microarray data processing and analysis have been long pursuit. This study developed a new method to improve the accuracy of identifying key biomarkers, namely Unit Gamma Measurement (UGM), accounting for multiple hypotheses test statistics distribution, which could reduce the dependency problem. Three mRNA expression profile of NPC were selected to feed UGM. Differentially expressed genes (DEGs) were identified with UGM and hub genes were derived from them to explore their association with NPC using functional enrichment and pathway analysis. 47 potential DEGs were identified by UGM from the 3 selected datasets, and affluent in cysteine-type endopeptidase inhibitor activity, cilium movement, extracellular exosome etc. also participate in ECM-receptor interaction, chemical carcinogenesis, TNF signaling pathway, small cell lung cancer and mismatch repair pathway. Down-regulation of CAPS and WFDC2 can prolongation of the overall survival periods in the patients. ARMC4, SERPINB3, MUC4 etc. have a close relationship with NPC. The UGM is a practical method to identify NPC-associated genes and biomarkers.
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Jansson L, Lundmark A, Modin C, Abadji D, Yucel-Lindberg T. Intra-individual cytokine profile in peri-implantitis and periodontitis: A cross-sectional study. Clin Oral Implants Res 2021; 32:559-568. [PMID: 33595852 DOI: 10.1111/clr.13725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 12/27/2020] [Accepted: 01/27/2021] [Indexed: 12/19/2022]
Abstract
AIM To study cytokine profiles and intra-individual correlations in crevicular fluid samples at periodontitis, peri-implantitis, and healthy sites. MATERIALS AND METHODS Samples from gingival crevicular fluid (GCF) and peri-implant crevicular fluid (PICF) were collected from healthy and diseased sites in patients who had had dental implants for a minimum of 10 years. Cytokine levels were analyzed using the Bio-Plex Pro Human inflammation kit, which included biomarkers for the tumor necrosis factor-α (TNF-α) superfamily, regulatory T Cell (Treg) cytokines, and interferon (IFN) proteins. RESULTS Gingival crevicular fluid/PICF cytokine levels, determined in samples from 163 patients, were frequently lower for healthy tooth and implant sites compared to sites with periodontitis or peri-implantitis. In contrast, there were no significant differences in cytokine levels between peri-implant sites and periodontitis sites. Intra-individual correlations between cytokines at peri-implant sites were frequently significant. In addition, the cytokines IFN-λ1 and TNFSF12 were significantly correlated with the presence of peri-implantitis. CONCLUSION Within the limits of this study, the intra-individual cytokine profile did not differ between sites diagnosed with periodontitis and those diagnosed with peri-implantitis, but did differ between healthy tooth and healthy implant sites. Studying intra-individual cytokine profiles is a method to elucidate possible differences between the etiopathogeneses of periodontitis and peri-implantitis, since it is well known that immune responses to dysbiosis vary between individuals according to host factors. Thus, the findings of the present study are potentially relevant to the advancement of knowledge in this field.
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Affiliation(s)
- Leif Jansson
- Department of Periodontology, Folktandvården Eastmaninstitutet, Folktandvården Stockholms län AB, Stockholm, Sweden.,Division of Periodontology, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Anna Lundmark
- Division of Periodontology, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Carolina Modin
- Department of Periodontology, Folktandvården Eastmaninstitutet, Folktandvården Stockholms län AB, Stockholm, Sweden.,Division of Periodontology, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Denise Abadji
- Department of Periodontology, Folktandvården Eastmaninstitutet, Folktandvården Stockholms län AB, Stockholm, Sweden
| | - Tülay Yucel-Lindberg
- Division of Periodontology, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden.,Pediatric Dentistry, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
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11
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Vadiati Saberi B, Yousefi F, Yousefi T, Qujeq D. Assessment of mucin and alpha-amylase levels in gingival crevicular fluid of chronic periodontitis patients. Oral Dis 2020; 28:210-215. [PMID: 33258207 DOI: 10.1111/odi.13740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 11/08/2020] [Accepted: 11/23/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND Chronic periodontitis is the most common form of periodontitis. Several immune and inflammatory factors responsible for periodontal destruction have been found in gingival crevicular fluid (GCF). The current study was conducted to determine the correlation between mucin and alpha-amylase protein values in GCF with chronic periodontitis. METHOD Forty-five patients with moderate-to-severe chronic periodontitis were selected. Samples of GCF were taken from a specific part of a single root tooth and placed in a closed test tube containing phosphate-buffered saline (PBS) (pH = 7). Sampling was done again after one month. Pre- and post-treatment samples were analyzed for measuring the levels of mucin and alpha-amylase proteins. RESULTS Paired t test results for these two variables showed that the difference between mucin and alpha-amylase levels before and after treatment is significant. CONCLUSION The level of both mucin and alpha-amylase in GCF in patients with chronic periodontitis was higher than that of patients who have recovered successfully; and evaluating the values of these two markers could be used to determine the activity of the periodontal disease.
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Affiliation(s)
| | - Farouq Yousefi
- Faculty of Dentistry, Guilan University of Medical Sciences, Rasht, Iran
| | - Tooba Yousefi
- Cellular and Molecular Biology Research Center (CMBRC), Health Research Institute, Babol University of Medical Sciences, Babol, Iran.,Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran.,Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Durdi Qujeq
- Cellular and Molecular Biology Research Center (CMBRC), Health Research Institute, Babol University of Medical Sciences, Babol, Iran.,Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran
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12
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Mulkern D, Hewitt A, Parker H, Batt J, Yonel Z, Grant MM. Predicted salivary human protease activity in experimental gingivitis revealed by endoProteo-FASP approach. Eur J Oral Sci 2020; 128:386-394. [PMID: 32794587 DOI: 10.1111/eos.12729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/08/2020] [Indexed: 11/28/2022]
Abstract
Gingivitis is a highly prevalent oral condition that can be studied in humans via the 21-d experimental gingivitis model, which allows for investigations into the induction and resolution of gingivitis. In this study, we used the autolysis of saliva as a source of peptides to predict the activity of human proteases in saliva during induction and resolution of inflammation. Healthy volunteers, with no remarkable oral or systemic conditions, were recruited into the study and stimulated saliva samples were collected at days 0, 21, and 35 of experimental gingivitis. Plaque and gingival indices were recorded to ensure clinical induction and resolution. Saliva was auto-digested at 37°C for 18 h before identification of peptides by mass spectrometry. Protease prediction was carried out using Proteasix in silico with the identified peptides. A comparison of day 0 to days 21 and 35 showed changes in predicted protease activity. Correlation network analysis revealed that at day 21 the proteases became less connected and showed a potential for a dysregulated system; by day 35 the connectivity was returning towards similar conditions at day 0. This study demonstrates that changes in predicted proteases are apparent even in saliva collected from donors experiencing inflammation around three teeth.
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Affiliation(s)
- Dimitri Mulkern
- Periodontal Research Group, School of Dentistry, University of Birmingham, Birmingham, UK
| | - Amy Hewitt
- Periodontal Research Group, School of Dentistry, University of Birmingham, Birmingham, UK
| | - Hadyn Parker
- Periodontal Research Group, School of Dentistry, University of Birmingham, Birmingham, UK.,School of Life Sciences, University of Warwick, Coventry, UK
| | - Joanna Batt
- Periodontal Research Group, School of Dentistry, University of Birmingham, Birmingham, UK
| | - Zehra Yonel
- Periodontal Research Group, School of Dentistry, University of Birmingham, Birmingham, UK
| | - Melissa M Grant
- Periodontal Research Group, School of Dentistry, University of Birmingham, Birmingham, UK
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13
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Irani S, Barati I, Badiei M. Periodontitis and oral cancer - current concepts of the etiopathogenesis. Oncol Rev 2020; 14:465. [PMID: 32231765 PMCID: PMC7097927 DOI: 10.4081/oncol.2020.465] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 02/12/2020] [Indexed: 02/06/2023] Open
Abstract
Gingival tissues are attacked by oral pathogens which can induce inflammatory reactions. The immune-inflammatory responses play essential roles in the patient susceptibility to periodontal diseases. There is a wealth of evidence indicating a link between chronic inflammation and risk of malignant transformation of the affected oral epithelium. Periodontitis is associated with an increased risk of developing chronic systemic conditions including autoimmune diseases and different types of cancers. Besides, some risk factors such as smoking, alcohol consumption and human papilloma virus have been found to be associated with both periodontitis and oral cancer. This review article aimed to study the current concepts in pathogenesis of chronic periodontitis and oral cancer by reviewing the related articles.
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Affiliation(s)
- Soussan Irani
- Dental Research Centre, Oral Pathology Department, Dental Faculty, Hamadan University of Medical Sciences
| | - Iman Barati
- Department of Periodontology, Dental Faculty, Hamadan University of Medical Sciences
| | - Mohammadreza Badiei
- Dental Student, Dental Faculty, Hamadan University of Medical Sciences, Hamadan, Iran
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14
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Salivary Redox Biomarkers in Selected Neurodegenerative Diseases. J Clin Med 2020; 9:jcm9020497. [PMID: 32059422 PMCID: PMC7074092 DOI: 10.3390/jcm9020497] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/10/2020] [Accepted: 02/10/2020] [Indexed: 12/13/2022] Open
Abstract
Neurodegenerative diseases (NDDs), such as Alzheimer’s disease, Parkinson’s disease, and Huntington’s disease, are disorders, which cause irreversible and progressive deterioration of the central nervous system. The pathophysiology of NDDs is still not fully explained; nevertheless, oxidative stress is considered as a critical mediator of cerebral degeneration, brain inflammation, as well as neuronal apoptosis. Therefore, it is not surprising that redox biomarkers are increasingly used in the diagnosis of neurodegenerative diseases. As saliva is a very easy to obtain bioliquid, it seems promising to use this biomaterial in the diagnosis of NDDs. Saliva collection is easy, cheap, stress-free, and non-infectious, and it does not require the help of a specialised medical personnel. Additionally, the concentrations of many salivary redox biomarkers correlate with their content in blood serum as well as the degree of disease progression, which makes them non-invasive indicators of NDDs. This paper reviews the latest knowledge concerning the use of salivary redox biomarkers in the diagnosis and prognosis of selected neurodegenerative diseases.
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15
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Periodontal Health and Oral Microbiota in Patients with Rheumatoid Arthritis. J Clin Med 2019; 8:jcm8050630. [PMID: 31072030 PMCID: PMC6572048 DOI: 10.3390/jcm8050630] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 04/23/2019] [Accepted: 05/01/2019] [Indexed: 12/17/2022] Open
Abstract
This study aimed to investigate the periodontal health of patients with established rheumatoid arthritis (RA) in relation to oral microbiota, systemic and oral inflammatory mediators, and RA disease activity. Forty patients underwent full-mouth dental/periodontal and rheumatological examination, including collection of blood, saliva, gingival crevicular fluid (GCF) and subgingival plaque. Composition of plaque and saliva microbiota were analysed using 16S rRNA sequencing and levels of inflammatory mediators by multiplex-immunoassay. The majority of the patients (75%) had moderate or severe periodontitis and the rest had no/mild periodontitis. Anti-citrullinated protein antibody (ACPA) positivity was significantly more frequent in the moderate/severe periodontitis (86%) compared to the no/mild group (50%). No significance between groups was observed for RA disease duration or activity, or type of medication. Levels of sCD30/TNFRSF8, IFN-α2, IL-19, IL-26, MMP-1, gp130/sIL-6Rß, and sTNF-R1 were significantly higher in serum or GCF, and April/TNFSF13 was significantly higher in serum and saliva samples in moderate/severe periodontitis. The microbial composition in plaque also differed significantly between the two groups. In conclusion, the majority of RA patients had moderate/severe periodontitis and that this severe form of the disease was significantly associated with ACPA positivity, an altered subgingival microbial profile, and increased levels of systemic and oral inflammatory mediators.
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16
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Knight ET, Murray Thomson W. A public health perspective on personalized periodontics. Periodontol 2000 2019; 78:195-200. [PMID: 30198135 DOI: 10.1111/prd.12228] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In this paper, we consider personalized periodontics from a public health perspective. Periodontitis is an under-acknowledged and important public health problem, and there has long been interest in identifying and treating those who are at high risk of developing this disease. Although susceptibility/risk-assessment tools in periodontology are currently in their early stages of development, personalized periodontics is increasingly becoming a realistic approach. At the population level, however, personalized periodontics is not an effective way of improving periodontal health because it would target only those who seek help or are able to access care. The occurrence of periodontitis in populations is socially patterned, with those of lower socio-economic position having poorer periodontal health and being far less likely to seek care. There is the potential for social inequalities actually to worsen as a result of personalized periodontics. In most health systems, personalized periodontics is likely to be accessible only to the social strata for whom it is affordable, and those with the greatest need for such an intervention will remain the least likely to be able to get it. Thus, personalized periodontics is likely to be a niche service for a small proportion of the adult population. This is at odds with the public health approach.
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Affiliation(s)
- Ellie T Knight
- Sir John Walsh Research Institute, Department of Oral Sciences, School of Dentistry, The University of Otago, Dunedin, New Zealand
| | - W Murray Thomson
- Sir John Walsh Research Institute, Department of Oral Sciences, School of Dentistry, The University of Otago, Dunedin, New Zealand
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17
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The role of natural salivary defences in maintaining a healthy oral microbiota. J Dent 2019; 80 Suppl 1:S3-S12. [DOI: 10.1016/j.jdent.2018.08.010] [Citation(s) in RCA: 151] [Impact Index Per Article: 30.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Accepted: 08/22/2018] [Indexed: 01/19/2023] Open
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18
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Donovan TE, Marzola R, Murphy KR, Cagna DR, Eichmiller F, McKee JR, Metz JE, Albouy JP, Troeltzsch M. Annual review of selected scientific literature: A report of the Committee on Scientific Investigation of the American Academy of Restorative Dentistry. J Prosthet Dent 2018; 120:816-878. [DOI: 10.1016/j.prosdent.2018.09.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 09/24/2018] [Indexed: 02/08/2023]
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19
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Zeidán-Chuliá F, Yilmaz D, Häkkinen L, Könönen E, Neves de Oliveira BH, Güncü G, Uitto VJ, Caglayan F, Gürsoy UK. Matrix metalloproteinase-7 in periodontitis with type 2 diabetes mellitus. J Periodontal Res 2018; 53:916-923. [DOI: 10.1111/jre.12583] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/27/2018] [Indexed: 12/24/2022]
Affiliation(s)
- F. Zeidán-Chuliá
- Programa de Pós-Graduação em Ciências Biológicas, Bioquímica; Departamento de Bioquímica; Instituto de Ciências Básicas da Saúde; Universidade Federal do Rio Grande do Sul (UFRGS); Porto Alegre RS Brazil
- Department of Periodontology; Institute of Dentistry; University of Turku; Turku Finland
- Departamento de Ciencias Biomédicas Básicas; Facultad de Ciencias Biomédicas y de la Salud; Universidad Europea de Madrid; Villaviciosa de Odón Spain
| | - D. Yilmaz
- Department of Periodontology; Institute of Dentistry; University of Turku; Turku Finland
- Department of Periodontology; Faculty of Dentistry; University of Sakarya; Sakarya Turkey
| | - L. Häkkinen
- Laboratory of Periodontal Biology; Faculty of Dentistry; University of British Columbia; Vancouver BC Canada
| | - E. Könönen
- Department of Periodontology; Institute of Dentistry; University of Turku; Turku Finland
- Oral Health Care; Welfare Division; City of Turku; Turku Finland
| | - B.-H. Neves de Oliveira
- Programa de Pós-Graduação em Ciências Biológicas, Bioquímica; Departamento de Bioquímica; Instituto de Ciências Básicas da Saúde; Universidade Federal do Rio Grande do Sul (UFRGS); Porto Alegre RS Brazil
| | - G. Güncü
- Department of Periodontology; Faculty of Dentistry; University of Hacettepe; Ankara Turkey
| | - V.-J. Uitto
- Department of Oral Biology; Institute of Dentistry; University of Helsinki; Helsinki Finland
| | - F. Caglayan
- Department of Periodontology; Faculty of Dentistry; University of Hacettepe; Ankara Turkey
| | - U. K. Gürsoy
- Department of Periodontology; Institute of Dentistry; University of Turku; Turku Finland
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20
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Lundmark A, Johannsen G, Eriksson K, Kats A, Jansson L, Tervahartiala T, Rathnayake N, Åkerman S, Klinge B, Sorsa T, Yucel-Lindberg T. Mucin 4 and matrix metalloproteinase 7 as novel salivary biomarkers for periodontitis. J Clin Periodontol 2017; 44:247-254. [PMID: 28005264 PMCID: PMC5347886 DOI: 10.1111/jcpe.12670] [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] [Accepted: 12/18/2016] [Indexed: 12/14/2022]
Abstract
AIM Periodontitis is a chronic inflammatory disease, characterized by irreversible destruction of tooth-supporting tissue including alveolar bone. We recently reported mucin 4 (MUC4) and matrix metalloproteinase 7 (MMP7) as highly associated with periodontitis in gingival tissue biopsies. The aim of this study was to further investigate the levels of MUC4 and MMP7 in saliva and gingival crevicular fluid (GCF) samples of patients with periodontitis. MATERIALS AND METHODS Saliva and GCF samples were collected from periodontitis patients and healthy controls. The levels of MUC4, MMP7, and total protein concentrations were analysed using ELISA or Bradford assay. RESULTS MUC4 levels were significantly lower in saliva and GCF from periodontitis patients relative to healthy controls. MMP7 levels were significantly higher in saliva and GCF from periodontitis patients. Multivariate analysis revealed that MUC4 was significantly associated with periodontitis after adjusting for age and smoking habits and, moreover, that the combination of MUC4 and MMP7 accurately discriminated periodontitis from healthy controls. CONCLUSIONS MUC4 and MMP7 may be utilized as possible novel biomarkers for periodontitis.
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Affiliation(s)
- Anna Lundmark
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
| | - Gunnar Johannsen
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
| | - Kaja Eriksson
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
| | - Anna Kats
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
| | - Leif Jansson
- Department of Periodontology, Folktandvården Eastmaninstitutet, Stockholm, Sweden
| | - Taina Tervahartiala
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Nilminie Rathnayake
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
| | - Sigvard Åkerman
- Department of Orofacial Pain and Jaw Function, Faculty of Odontology, Malmö University, Malmö, Sweden
| | - Björn Klinge
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden.,Department of Periodontology, Faculty of Odontology, Malmö University, Malmö, Sweden
| | - Timo Sorsa
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden.,Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Tülay Yucel-Lindberg
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
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