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Xiao-Qun Z, Xian-Li M, Ariffin NS. The potential of carbonic anhydrase enzymes as a novel target for anti-cancer treatment. Eur J Pharmacol 2024; 976:176677. [PMID: 38825301 DOI: 10.1016/j.ejphar.2024.176677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 05/15/2024] [Accepted: 05/27/2024] [Indexed: 06/04/2024]
Abstract
Carbonic anhydrase (CA) is a zinc-dependent metal enzyme that maintains the pH and carbon dioxide (CO2) homeostasis in cells by catalyzing the reversible hydration and dehydration of CO2 and bicarbonate (HCO3-). In mammals, there are 16 isozymes of CA existed, namely CAI to CAXIV, but only 15 isozymes are found in humans except CAXV. Human CAs have highly conserved catalytic domains, all of which are distributed in different tissues and play important physiological roles. Changes in their functions may disrupt the typical distribution of CAs throughout human body and therefore CAs can be used as diagnostic biomarkers for many diseases. Furthermore, the expression of CAs is correlated to the progression of numerous tumors, therapeutic sensitivity and patient prognosis. In this review, we discuss thoroughly the structure of CAs, their functional activities in human physiology, dysregulations and diseases related to CAs, and different types of CA inhibitors that can reverse their dysregulation.
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Affiliation(s)
- Zhou Xiao-Qun
- Department of Pharmacology and Pharmaceutical Chemistry, Faculty of Pharmacy, Universiti Teknologi MARA, 42300, Bandar Puncak Alam, Selangor, Malaysia; Guilin Medical University, GuiLin, China
| | | | - Nur Syamimi Ariffin
- Department of Pharmacology and Pharmaceutical Chemistry, Faculty of Pharmacy, Universiti Teknologi MARA, 42300, Bandar Puncak Alam, Selangor, Malaysia.
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2
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Wang Q, Zhen W, Hu R, Wang Z, Sun Y, Sun W, Huang C, Xu J, Zhang H. Occlusion dysfunction and Alzheimer's disease: Mendelian randomization study. Front Aging Neurosci 2024; 16:1423322. [PMID: 39035234 PMCID: PMC11258003 DOI: 10.3389/fnagi.2024.1423322] [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: 04/25/2024] [Accepted: 06/20/2024] [Indexed: 07/23/2024] Open
Abstract
Aim Occlusion dysfunction (OD) is increasingly linked to Alzheimer's disease (AD). This study aimed to elucidate the causal relationship between OD and AD using Mendelian randomization (MR) analysis. Materials and methods Genome-wide association study (GWAS) meta-analysis data obtained from FinnGen, IEU Open GWAS, and UK Biobank (UKBB) was represented as instrumental variables. We validated the causal relationship between periodontal disease (PD), loose teeth (PD & occlusion dysfunction), dentures restoration (occlusion recovery), and AD. Results According to the MR analysis, PD and AD have no direct causal relationship (P = 0.395, IVW). However, loose teeth significantly increased the risk of AD progression (P = 0.017, IVW, OR = 187.3567, 95%CI = 2.54E+00-1.38E+04). These findings were further supported by the negative causal relationship between dentures restoration and AD (P = 0.015, IVW, OR = 0.0234, 95%CI = 1.13E-03-0.485). Conclusion The occlusion dysfunction can ultimately induce Alzheimer's disease. Occlusion function was a potentially protective factor for maintaining neurological health.
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Affiliation(s)
- Qing Wang
- Key Laboratory of Oral Diseases Research of Anhui Province, College and Hospital of Stomatology, Anhui Medical University, Hefei, China
| | - Wenyu Zhen
- Key Laboratory of Oral Diseases Research of Anhui Province, College and Hospital of Stomatology, Anhui Medical University, Hefei, China
| | - Rui Hu
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zifei Wang
- Key Laboratory of Oral Diseases Research of Anhui Province, College and Hospital of Stomatology, Anhui Medical University, Hefei, China
| | - Yuqiang Sun
- Key Laboratory of Oral Diseases Research of Anhui Province, College and Hospital of Stomatology, Anhui Medical University, Hefei, China
| | - Wansu Sun
- Department of Stomatology, Anhui Public Health Clinical Center, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Chunxia Huang
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jianguang Xu
- Key Laboratory of Oral Diseases Research of Anhui Province, College and Hospital of Stomatology, Anhui Medical University, Hefei, China
| | - Hengguo Zhang
- Key Laboratory of Oral Diseases Research of Anhui Province, College and Hospital of Stomatology, Anhui Medical University, Hefei, China
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3
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de Souza TR, Zancope BR, de Sousa ET, Parisotto TM, Rocha Marques M, Nobre dos Santos M. Sucrose rinse modulates the salivary behavior of carbonic anhydrase VI and its buffering capacity: a longitudinal study in 4 to 6.5-year-old children. PeerJ 2024; 12:e17429. [PMID: 38827285 PMCID: PMC11144396 DOI: 10.7717/peerj.17429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 04/29/2024] [Indexed: 06/04/2024] Open
Abstract
Background Carbonic anhydrase VI (CA VI) is crucial in regulating oral pH and predicting susceptibility to dental caries. The hypothesis posits that caries activity may alter the CA VI function, diminishing its capacity to regulate pH effectively and potentially exacerbating cariogenic challenges. This 1-year cohort study sought to investigate the enzymatic activity of salivary CA VI and buffering capacity following a 20% sucrose rinse in 4 to 6.5-year-old children. Method This research involved 46 volunteers categorized into three groups based on their caries status after follow-up: caries-free (CFee), arrested caries (CArrested), and caries active (CActive). Children underwent visible biofilm examination and saliva collection for salivary flow rate, buffering capacity, and CA VI analyses before and after a 20% sucrose rinse. Results A reduction in the buffering capacity was observed after sucrose rinse in all groups. The CA VI activity decreased significantly in CFee and CArrested groups after sucrose rinse, although it did not change in the CActive group. An improvement in the buffering capacity and salivary flow rate was found at follow-up when compared with the baseline. After 1-year follow-up, buffering capacity and salivary flow rate increased in all groups, whilst the CA VI activity reduced only in CFree and CArrested children. Conclusion Sucrose rinse universally reduces the salivary buffering capacity, while caries activity may disrupt CA VI activity response during a cariogenic challenge. After a year, increased salivary flow enhances buffering capacity but not CA VI activity in caries-active children.
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Affiliation(s)
- Thayse Rodrigues de Souza
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, Universidade de Campinas, Piracicaba, São Paulo, Brazil
| | - Bruna Raquel Zancope
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, Universidade de Campinas, Piracicaba, São Paulo, Brazil
| | - Emerson Tavares de Sousa
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, Universidade de Campinas, Piracicaba, São Paulo, Brazil
| | - Thais Manzano Parisotto
- Department of Microbiology and Molecular Biology, São Francisco University Dental School, Bragança Paulista, São Paulo, Brazil
| | - Marcelo Rocha Marques
- Department of Morphology, Piracicaba Dental School, Universidade de Campinas, Piracicaba, São Paulo, Brazil
| | - Marinês Nobre dos Santos
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, Universidade de Campinas, Piracicaba, São Paulo, Brazil
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4
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Łukasiewicz-Śmietańska D, Godlewski D, Nowakowska E, Szpak A, Chabros E, Juszczyk G, Charzewska J, Rybaczyk-Pathak D. Association of the bitter taste genes TAS2R38 and CA6 and breast cancer risk; a case-control study of Polish women in Poland and Polish immigrants in USA. PLoS One 2024; 19:e0300061. [PMID: 38687739 PMCID: PMC11060581 DOI: 10.1371/journal.pone.0300061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 02/21/2024] [Indexed: 05/02/2024] Open
Abstract
It is known that the perception of bitterness is mediated by type 2 bitter taste receptors (TAS2Rs). However, recent reports have suggested that the carbonic anhydrase 6 (CA6) gene may also influence bitterness sensing. Genetic variants in these genes could influence dietary intake of brassica vegetables, whose increased consumption has been observed in the literature, though inconsistently, to decrease breast cancer (BC) risk. We hypothesized that the estimated odds ratios (ORs) for the association between BC and taster diplotype (PAV/PAV) and/or genotype A/A, will be in the direction of increased BC risk, potentially due to reduced consumption of brassica vegetables. Using a case-control study of BC in Polish women in Poland (210 cases and 262 controls) and Polish immigrant women to USA (78 cases and 170 controls) we evaluated the association of the taster diplotypes in TAS2R38 gene and genotypes in the CA6 gene and BC risk in these two populations individually and jointly. No significant increase in risk was observed for the TAS2R38 PAV/PAV diplotype (tasters) in each population individually or in the joint population. For the CA6 gene, in the joint population, we observed an increased BC risk for the combined G/A and G/G genotypes (non-tasters) vs A/A (tasters), OR = 1.41 (95% CI 1.04-1.90, p = 0.026) which after adjustment for False Discovery Rate (FDR), was not significant at p≤0.05 level. However, for the joint population and for the combined genotype of the two genes AVI/AVI+G* (non-tasters) vs. PAV/*+A/A (tasters), we observed a significant increase in BC risk, OR = 1.77 (95%CI 1.47-2.74, p = 0.01), for the non-tasters, which remained significant after FDR adjustment. In conclusion for the joint population and the joint effect for the two bitter sensing genes, we observed an increase in BC risk for the bitterness non-tasters, association which is in the opposite direction to our original hypothesis.
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Affiliation(s)
- Dorota Łukasiewicz-Śmietańska
- Department of Nutrition and Nutritional Value of Food, National Institute of Public Health NIH- National Research Institute, Warsaw, Poland
| | | | | | | | | | - Grzegorz Juszczyk
- National Institute of Public Health NIH- National Research Institute, Warsaw, Poland
| | - Jadwiga Charzewska
- Department of Nutrition and Nutritional Value of Food, National Institute of Public Health NIH- National Research Institute, Warsaw, Poland
| | - Dorothy Rybaczyk-Pathak
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, United States of America
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5
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Al-Mahdi R, Al-Sharani H, Al-Haroni M, Halboub E. Associations of the activity and concentration of carbonic anhydrase VI with susceptibility to dental caries: A systematic review and meta-analysis. Clin Exp Dent Res 2023; 9:358-367. [PMID: 36815304 PMCID: PMC10098285 DOI: 10.1002/cre2.723] [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: 12/29/2022] [Revised: 02/08/2023] [Accepted: 02/09/2023] [Indexed: 02/24/2023] Open
Abstract
OBJECTIVES A number of studies have claimed that carbonic anhydrase VI (CA VI) is associated with dental caries. The aim of this systematic review and meta-analysis was to systematically review and analyze the literature on the association of CA VI (in terms of concentration and activity) with dental caries. MATERIALS AND METHODS A systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Relevant search terms were employed to search the following databases: PubMed, Web of Science, Scopus, China National Knowledge Infrastructure (CNKI), and Cochrane Library databases. Eligible publications from inception to August 2022 were included. The relevant records were assessed independently by two reviewers, and a meta-analysis was performed using RevMan 5.3. RESULTS Out of 237 relevant records from the initial search, 9 met the criteria for this review. The 9 papers, including 477 participants, were qualitatively analyzed. Seven studies with 411 participants (203 caries-free) were included in the meta-analysis on CA VI activity, and 2 studies with 141 participants (71 caries-free) were included in the meta-analysis on CA VI concentration. The results showed that CA VI activity was significantly higher among participants with caries than their caries-free counterparts (standardized mean difference (SMD) = 0.894, 95% confidence interval (CI95% ): 0.386 and 1.392; p < 0.001), whereas the CA VI concentration was significantly lower among participants with caries than their caries-free counterparts (SMD = -0.672, CI95% : -1.011 and -0.332; p < 0.001). CONCLUSIONS This meta-analysis of a relatively small number of studies suggests that the CA VI concentration is lower and CA VI activity is higher in patients with dental caries than in caries-free individuals; however, further studies are needed to determine the exact role of CA VI in dental caries.
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Affiliation(s)
- Rania Al-Mahdi
- Department of Clinical Dentistry, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
| | - Hesham Al-Sharani
- Centre for Public Health Data and Policy, National Center for Epidemiology and Population Health, ANU College of Health and Medicine, The Australian National University, Canberra, Australia.,Department of Oral and Maxillofacial Surgery, College of Dentistry, Ibb University, Ibb, Yemen
| | - Mohammed Al-Haroni
- Department of Clinical Dentistry, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway.,Centre for New Antibacterial Strategies, UiT The Arctic University of Norway, Tromsø, Norway
| | - Esam Halboub
- Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Jazan University, Jizan, Saudi Arabia.,Department of Oral Medicine, Oral Pathology and Oral Radiology, Faculty of Dentistry, Sana'a University, Sana'a, Yemen
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6
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Li Y, Liu J, Guan T, Zhang Y, Cheng Q, Liu H, Liu C, Luo W, Chen H, Chen L, Zhao T. The submandibular and sublingual glands maintain oral microbial homeostasis through multiple antimicrobial proteins. Front Cell Infect Microbiol 2023; 12:1057327. [PMID: 36704102 PMCID: PMC9872150 DOI: 10.3389/fcimb.2022.1057327] [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: 09/29/2022] [Accepted: 11/24/2022] [Indexed: 01/12/2023] Open
Abstract
Introduction Oral microbial homeostasis is a key factor affecting oral health, and saliva plays a significant role in maintaining oral microbial homeostasis. The submandibular gland (SMG) and sublingual gland (SLG) together produce the most saliva at rest. Organic ingredients, including antimicrobial proteins, are rich and distinctive and depend on the type of acinar cells in the SMG and SLG. However, the functions of the SMG and SLG in maintaining oral microbial homeostasis have been difficult to identify and distinguish, given their unique anatomical structures. Methods In this study, we independently removed either the SMG or SLG from mouse models. SMGs were aseptically removed in three mice in the SMG-removal group, and SLGs were aseptically removed in three mice in the SLG-removal group. Three mice from the sham-operated group were only anesthetized and incised the skin. After one month, we analyzed their oral microbiome through 16S rRNA sequencing. And then, we analyzed each gland using proteomics and single-cell RNA sequencing. Results Our study revealed that the microbiome balance was significantly disturbed, with decreased bacterial richness, diversity, and uniformity in the groups with the SMG or SLG removed compared with the sham-operated group. We identified eight secreted proteins in the SMG and two in the SLG that could be involved in maintaining oral microbial homeostasis. Finally, we identified multiple types of cells in the SMG and SLG (including serous acinar, mucinous acinar, ductal epithelial, mesenchymal, and immune cells) that express potential microbiota homeostasis regulatory proteins. Our results suggest that both the SMG and SLG play crucial roles in maintaining oral microbial homeostasis via excretion. Furthermore, the contribution of the SMG in maintaining oral microbial homeostasis appears to be superior to that of the SLG. These findings also revealed the possible antimicrobial function of gland secreta. Discussion Our results suggest that control of oral microbial dysbiosis is necessary when the secretory function of the SMG or SLG is impaired. Our study could be the basis for further research on the prevention of oral diseases caused by microbial dysbiosis.
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Affiliation(s)
- Yanan Li
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Department of Endodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Stomatological Hospital of Chongqing Medical University, Chongqing, China,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, College of Stomatology, Chongqing Medical University, Chongqing, China
| | - Jingming Liu
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Department of Endodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, China
| | - Tong Guan
- First Clinical College, Chongqing Medical University, Chongqing, China
| | - Yuxin Zhang
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Stomatological Hospital of Chongqing Medical University, Chongqing, China
| | - Qianyu Cheng
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Department of Endodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, China
| | - Huikai Liu
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Department of Endodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, China
| | - Chang Liu
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, College of Stomatology, Chongqing Medical University, Chongqing, China
| | - Wenping Luo
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, College of Stomatology, Chongqing Medical University, Chongqing, China
| | - Hong Chen
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Department of Endodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, College of Stomatology, Chongqing Medical University, Chongqing, China
| | - Liang Chen
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Stomatological Hospital of Chongqing Medical University, Chongqing, China,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, College of Stomatology, Chongqing Medical University, Chongqing, China,*Correspondence: Tianyu Zhao, ; Liang Chen,
| | - Tianyu Zhao
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China,Stomatological Hospital of Chongqing Medical University, Chongqing, China,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, College of Stomatology, Chongqing Medical University, Chongqing, China,*Correspondence: Tianyu Zhao, ; Liang Chen,
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Chisini LA, Varella de Carvalho R, Dos Santos Costa F, Salvi LC, Demarco FF, Britto Correa M. Genes and single nucleotide polymorphisms in the pathway of saliva and dental caries: a systematic review and meta-analysis. BIOFOULING 2023; 39:8-23. [PMID: 36644905 DOI: 10.1080/08927014.2022.2162891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 12/01/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
The aim of this systematic review and meta-analysis was to investigate the influence of single nucleotide polymorphisms (SNPs), related to genes in salivary composition and flow, on dental caries experience. Sixteen studies were included in the systematic review and ten in the meta-analysis. Forty-four SNPS, covering four genes (CA6, AQP2, AQP5, and MUC5B) were identified. Most of the SNPs were not associated with caries in meta-analysis. Homozygous TT genotype of the SNP CA6 rs17032907(C/T) was associated with caries [OR = 3.23(1.39-7.49)]. The pool effect of the SNPs assessed in AQP5 was associated with a reduction in the likelihood of caries [OR = 0.75(0.59-0.95)]. Considering all SNPs of salivary composition and flow, the effect allele was associated with a 75% increase in the likelihood of caries [OR = 1.75(1.06-2.89)] in the homozygous genotype. The present findings showed that the genes in salivary composition and flow can play an important role in dental caries experience.
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Affiliation(s)
- Luiz Alexandre Chisini
- Graduate Program in Dentistry, Federal University of Juiz de Fora, Governador Valadares, Minas Gerais, Brazil
| | - Rodrigo Varella de Carvalho
- Graduate Program in Dentistry, Federal University of Juiz de Fora, Governador Valadares, Minas Gerais, Brazil
| | | | - Luana Carla Salvi
- Graduate Program in Biology, University of Vale do Taquari, Rio Grande do Sul, Brazil
| | - Flávio Fernando Demarco
- Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - Marcos Britto Correa
- Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
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8
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Dong H, Liu J, Zhu J, Zhou Z, Tizzano M, Peng X, Zhou X, Xu X, Zheng X. Oral Microbiota-Host Interaction Mediated by Taste Receptors. Front Cell Infect Microbiol 2022; 12:802504. [PMID: 35425718 PMCID: PMC9004699 DOI: 10.3389/fcimb.2022.802504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 03/07/2022] [Indexed: 11/13/2022] Open
Abstract
Taste receptors, originally identified in taste buds, function as the periphery receptors for taste stimuli and play an important role in food choice. Cohort studies have revealed that single nucleotide polymorphisms of taste receptors such as T1R1, T1R2, T2R38 are associated with susceptibility to oral diseases like dental caries. Recent studies have demonstrated the wide expression of taste receptors in various tissues, including intestinal epithelia, respiratory tract, and gingiva, with an emerging role of participating in the interaction between mucosa surface and microorganisms via monitoring a wide range of metabolites. On the one hand, individuals with different oral microbiomes exhibited varied taste sensitivity, suggesting a potential impact of the oral microbiota composition on taste receptor function. On the other hand, animal studies and in vitro studies have uncovered that a variety of oral cells expressing taste receptors such as gingival solitary chemosensory cells, gingival epithelial cells (GECs), and gingival fibroblasts can detect bacterial signals through bitter taste receptors to trigger host innate immune responses, thus regulating oral microbial homeostasis. This review focuses on how taste receptors, particularly bitter and sweet taste receptors, mediate the oral microbiota-host interaction as well as impact the occurrence and development of oral diseases. Further studies delineating the role of taste receptors in mediating oral microbiota-host interaction will advance our knowledge in oral ecological homeostasis establishment, providing a novel paradigm and treatment target for the better management of dental infectious diseases.
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Affiliation(s)
- Hao Dong
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jiaxin Liu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jianhui Zhu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Hangzhou, China
- Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China
| | - Zhiyan Zhou
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Marco Tizzano
- Basic and Translation Sciences, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Xian Peng
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xin Xu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- *Correspondence: Xin Zheng, ; Xin Xu,
| | - Xin Zheng
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- *Correspondence: Xin Zheng, ; Xin Xu,
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9
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Aspatwar A, Tolvanen MEE, Barker H, Syrjänen L, Valanne S, Purmonen S, Waheed A, Sly WS, Parkkila S. Carbonic Anhydrases in Metazoan Model Organisms: Molecules, Mechanisms, and Physiology. Physiol Rev 2022; 102:1327-1383. [PMID: 35166161 DOI: 10.1152/physrev.00018.2021] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
During the past three decades, mice, zebrafish, fruit flies, and Caenorhabditis elegans have been the primary model organisms used for the study of various biological phenomena. These models have also been adopted and developed to investigate the physiological roles of carbonic anhydrases (CAs) and carbonic anhydrase-related proteins (CARPs). These proteins belong to eight CA families and are identified by Greek letters: α, β, γ, δ, ζ, η, θ, and ι. Studies using model organisms have focused on two CA families, α-CAs and β-CAs, which are expressed in both prokaryotic and eukaryotic organisms with species-specific distribution patterns and unique functions. This review covers the biological roles of CAs and CARPs in light of investigations performed in model organisms. Functional studies demonstrate that CAs are not only linked to the regulation of pH homeostasis, the classical role of CAs but also contribute to a plethora of previously undescribed functions.
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Affiliation(s)
- Ashok Aspatwar
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | | | - Harlan Barker
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Fimlab Ltd and TAYS Cancer Centre, Tampere University Hospital, Tampere, Finland
| | - Leo Syrjänen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Department of Otorhinolaryngology, Tampere University Hospital, Tampere, Finland
| | - Susanna Valanne
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Sami Purmonen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Abdul Waheed
- Department of Biochemistry and Molecular Biology, Edward A. Doisy Research Center, Saint Louis University School of Medicine, St. Louis, MO, United States
| | - William S Sly
- Department of Biochemistry and Molecular Biology, Edward A. Doisy Research Center, Saint Louis University School of Medicine, St. Louis, MO, United States
| | - Seppo Parkkila
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Fimlab Ltd and TAYS Cancer Centre, Tampere University Hospital, Tampere, Finland
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10
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Genetic Aspects of Dental Erosive Wear and Dental Caries. Int J Dent 2021; 2021:5566733. [PMID: 34335772 PMCID: PMC8292068 DOI: 10.1155/2021/5566733] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 07/01/2021] [Indexed: 11/17/2022] Open
Abstract
Objectives The present review aims to give an overview of the literature focusing on novel genetic aspects of dental erosion and dental caries. Once the tooth erupts into the oral cavity, the regenerative capability of enamel is fundamentally limited due to the loss of dental epithelium during eruption. The susceptibility or resistance to dental erosion and caries is presumably a result of environmental, phenotypic, and/or genetic influence. Even though it is evident that individuals frequently exposing their teeth to acid and sugar are at high risk of developing dental erosion and caries, the findings exclusively based on these factors are elusive. Data resources and study selection. The present review was based on data collected from the National Library of Medicine database with different combinations of the following terms: "tooth," "dental," "dentin," "enamel," "erosion," "erosive wear," "caries," "decay," "gene," and "genetic." A total of forty-six studies met the inclusion criteria. Data were extracted by one reviewer and verified by another. Conclusion The high prevalence of erosion and caries among certain groups, and observations that not all individuals appearing to be at risk develop these lesions, has sparked research on identifying genetic effects to these conditions. A connection of genome-wide and candidate gene studies has increased considerably in the literature. This review reveals largely varying success among studies, demonstrating the difficulties of developing the study with adequate sample sizes and durable phenotype definitions that permit enough statistical power to identify genetic contributors.
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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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The role of mechanical control of biofilm in the salivary pH after sucrose exposure in children with early childhood caries. Sci Rep 2021; 11:7496. [PMID: 33820926 PMCID: PMC8021547 DOI: 10.1038/s41598-021-86861-4] [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: 08/07/2020] [Accepted: 03/15/2021] [Indexed: 01/20/2023] Open
Abstract
This quasi-experimental study sought to investigate if the mechanical control of biofilm (3-times-a-day) modifies the saliva’s ability to buffer the oral environment after 20% sucrose rinse (SR20%) in children with early childhood caries (ECC). Here, SR20% reduced the saliva’s pH in both groups and the mechanical control of biofilm had a greater effect on this parameter after SR20% in CF children. The mechanical control of biofilm evidenced a higher buffering capacity in CF children before SR20%, which was not observed after SR20%. Otherwise, the absence of mechanical control of biofilm showed that buffering capacity was comparable in the two groups before SR20%, whereas after SR20% the saliva’s buffering capacity of CF children was higher than ECC children. When biofilm was mechanically controlled, carbonic anhydrase VI activity did not change after SR20% whereas the absence of mechanical control of biofilm reduced this enzyme activity after SR20%. In conclusion, the mechanical control of biofilm did not change saliva’s ability to buffer the oral environment after SR20% in children with ECC. On the other hand, CF children appeared to regulate more effectively the saliva’s pH than ECC children while the absence of mechanical control of biofilm mediated their pH-modifying ability after SR20%.
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Mrag M, Hamdouni H, Gouiaa A, Omezzine A, Ben Amor F, Kassab A. Investigation of carbonic anhydrase 6 gene polymorphism rs2274327 in relation to the oral health status and salivary composition in type 2 diabetic patients. Acta Odontol Scand 2020; 78:560-564. [PMID: 32319846 DOI: 10.1080/00016357.2020.1754458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
OBJECTIVE The aim of the present study was to investigate the oral manifestations and salivary composition in type 2 diabetics with periodontitis and to evaluate their association with CA6 gene polymorphism rs2274327. METHODS Oral examination was performed by a single periodontist for 300 type 2 diabetics. Whole unstimulated saliva and blood were collected. The salivary pH, buffer capacity and flow rate were later measured. Immunoglobulin A and electrolytes were assessed using an autoanalyzer. CA6 gene polymorphism rs2274327 was screened by PCR-RFLP assay. The statistical analysis was performed using the SPSS 20.0 version. RESULTS The salivary pH, buffer capacity and flow rate were significantly lower in the patients carrying TT genotype compared to CC and CT genotype carriers (p < .05). Furthermore, the DMFT index, OHI-s, PI, PPD and CAL were significantly higher in the subjects with TT genotype (p < .05). Carrying at least one T allele seemed to increase the risk of dental caries (OR = 2.59, p < .001), xerostomia (OR = 2.11, p=.003) and taste impairment (OR = 1.97, p < .05). CONCLUSION CA6 gene polymorphism rs2274327 seemed to increase the risk of developing, dental caries, periodontitis, xerostomia and taste impairment in type 2 diabetics.
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Affiliation(s)
- Marwa Mrag
- University of Monastir, Faculty of Dental Medicine, Oral Health and Oro-Facial Rehabilitation Research Laboratory LR12ES11, Monastir, Tunisia
| | - Haithem Hamdouni
- University of Monastir, Faculty of Pharmacy, LR12SP11, Monastir, Tunisia
| | - Aslem Gouiaa
- University of Monastir, Faculty of Dental Medicine, Oral Health and Oro-Facial Rehabilitation Research Laboratory LR12ES11, Monastir, Tunisia
| | - Asma Omezzine
- University of Monastir, Faculty of Pharmacy, LR12SP11, Monastir, Tunisia
| | - Faten Ben Amor
- University of Monastir, Faculty of Dental Medicine, Oral Health and Oro-Facial Rehabilitation Research Laboratory LR12ES11, Monastir, Tunisia
| | - Asma Kassab
- University of Monastir, Faculty of Dental Medicine, Oral Health and Oro-Facial Rehabilitation Research Laboratory LR12ES11, Monastir, Tunisia
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de Sousa ET, Lima-Holanda AT, Sales LS, Nobre-Dos-Santos M. Combined effect of starch and sucrose on carbonic anhydrase VI activity in saliva and biofilm of children with early childhood caries. Exposure to starch and sucrose alters carbonic anhydrase VI activity in saliva and biofilm. Clin Oral Investig 2020; 25:2555-2568. [PMID: 32918121 DOI: 10.1007/s00784-020-03567-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 09/01/2020] [Indexed: 12/29/2022]
Abstract
OBJECTIVES This study aimed to investigate whether combined exposure to starch and sucrose modifies the activity of carbonic anhydrase VI (CA VI) in saliva (Study 1) and biofilm (Study 2) of children with early childhood caries (ECC). MATERIAL AND METHODS For Study 1 and Study 2, respectively, 54 and 46 preschoolers aged 4 to 5 were allocated into two groups: caries-free (CF) and with ECC. Children were exposed to rinses with sucrose, starch, and sucrose plus starch solutions. CA VI activity, pH, and buffering capacity (BC) were evaluated in saliva and biofilm. RESULTS In Study 1, a significant reduction in saliva pH was observed after sucrose and sucrose plus starch rinses. CA VI activity was influenced by ECC independently of the type of carbohydrate to which children were exposed. CA VI activity was higher in children with ECC; however, after rinses, CA VI activity was reduced. In Study 2, biofilm pH and BC were reduced after rinses with sucrose and sucrose plus starch. CA VI activity was significantly high before rinse in ECC group when compared with CF group; however, no difference was observed between groups after rinses. CONCLUSIONS In saliva, exposure to starch and sucrose (isolated or combined) induced a reduction in CA VI activity in children with ECC. In biofilm, the combination of starch and sucrose did not modify CA VI activity in ECC children. CLINICAL RELEVANCE The responsivity of the CA VI reflects directly in important parameters related to the pH maintenance on the oral cavity.
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Affiliation(s)
- Emerson Tavares de Sousa
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, University of Campinas-UNICAMP, Av. Limeira 901, Piracicaba, SP, 13414-903, Brazil
| | - Aline Tavares Lima-Holanda
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, University of Campinas-UNICAMP, Av. Limeira 901, Piracicaba, SP, 13414-903, Brazil
| | - Luciana Solera Sales
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, University of Campinas-UNICAMP, Av. Limeira 901, Piracicaba, SP, 13414-903, Brazil
| | - Marinês Nobre-Dos-Santos
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, University of Campinas-UNICAMP, Av. Limeira 901, Piracicaba, SP, 13414-903, Brazil.
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15
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Variants in taste genes on caries risk and caries activity status. Med Mol Morphol 2020; 53:244-251. [DOI: 10.1007/s00795-020-00263-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 06/24/2020] [Indexed: 10/25/2022]
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16
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Oral Microbiota Profile Associates with Sugar Intake and Taste Preference Genes. Nutrients 2020; 12:nu12030681. [PMID: 32138214 PMCID: PMC7146170 DOI: 10.3390/nu12030681] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/25/2020] [Accepted: 02/28/2020] [Indexed: 12/11/2022] Open
Abstract
Oral microbiota ecology is influenced by environmental and host conditions, but few studies have evaluated associations between untargeted measures of the entire oral microbiome and potentially relevant environmental and host factors. This study aimed to identify salivary microbiota cluster groups using hierarchical cluster analyses (Wards method) based on 16S rRNA gene amplicon sequencing, and identify lifestyle and host factors which were associated with these groups. Group members (n = 175) were distinctly separated by microbiota profiles and differed in reported sucrose intake and allelic variation in the taste-preference-associated genes TAS1R1 (rs731024) and GNAT3 (rs2074673). Groups with higher sucrose intake were either characterized by a wide panel of species or phylotypes with fewer aciduric species, or by a narrower profile that included documented aciduric- and caries-associated species. The inferred functional profiles of the latter type were dominated by metabolic pathways associated with the carbohydrate metabolism with enrichment of glycosidase functions. In conclusion, this study supported in vivo associations between sugar intake and oral microbiota ecology, but it also found evidence for a variable microbiota response to sugar, highlighting the importance of modifying host factors and microbes beyond the commonly targeted acidogenic and acid-tolerant species. The results should be confirmed under controlled settings with comprehensive phenotypic and genotypic data.
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Melis M, Mastinu M, Sollai G, Paduano D, Chicco F, Magrì S, Usai P, Crnjar R, Tepper BJ, Tomassini Barbarossa I. Taste Changes in Patients with Inflammatory Bowel Disease: Associations with PROP Phenotypes and polymorphisms in the salivary protein, Gustin and CD36 Receptor Genes. Nutrients 2020; 12:nu12020409. [PMID: 32033224 PMCID: PMC7071215 DOI: 10.3390/nu12020409] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 01/28/2020] [Accepted: 01/29/2020] [Indexed: 02/07/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic inflammatory condition of the gastrointestinal tract resulting from interactions among various factors with diet being one of the most significant. IBD-related dietary behaviors are not clearly related to taste dysfunctions. We analyzed body mass index (BMI) and perception of six taste qualities and assessed effects of specific taste genes in IBD patients and healthy subjects (HC). BMI in IBD patients was higher than in HC subjects. Taste sensitivity to taste qualities was reduced in IBD patients, except for sour taste, which was higher than in HC subjects. Genetic variations were related to some taste responses in HC subjects, but not in IBD patients. Frequencies of genotype AA and allele A in CD36 polymorphism (rs1761667) were significantly higher in IBD patients than in HC subjects. The taste changes observed could be explained by the oral pathologies and microbiome variations known for IBD patients and can justify their typical dietary behaviors. The lack of genetic effects on taste in IBD patients indicates that IBD might compromise taste so severely that gene effects cannot be observed. However, the high frequency of the non-tasting form of CD36 substantiates the fact that IBD-associated fat taste impairment may represent a risk factor for IBD.
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Affiliation(s)
- Melania Melis
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato (CA), Italy; (M.M.); (G.S.); (R.C.)
| | - Mariano Mastinu
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato (CA), Italy; (M.M.); (G.S.); (R.C.)
| | - Giorgia Sollai
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato (CA), Italy; (M.M.); (G.S.); (R.C.)
| | - Danilo Paduano
- Department of Medical Sciences and Public Health, University of Cagliari, Presidio Policlinico of Monserrato, 09042 Monserrato (CA), Italy; (D.P.); (F.C.); (S.M.); (P.U.)
| | - Fabio Chicco
- Department of Medical Sciences and Public Health, University of Cagliari, Presidio Policlinico of Monserrato, 09042 Monserrato (CA), Italy; (D.P.); (F.C.); (S.M.); (P.U.)
| | - Salvatore Magrì
- Department of Medical Sciences and Public Health, University of Cagliari, Presidio Policlinico of Monserrato, 09042 Monserrato (CA), Italy; (D.P.); (F.C.); (S.M.); (P.U.)
| | - Paolo Usai
- Department of Medical Sciences and Public Health, University of Cagliari, Presidio Policlinico of Monserrato, 09042 Monserrato (CA), Italy; (D.P.); (F.C.); (S.M.); (P.U.)
| | - Roberto Crnjar
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato (CA), Italy; (M.M.); (G.S.); (R.C.)
| | - Beverly J. Tepper
- Department of Food Science, School of Environmental and Biological Sciences, Rutgers University, New Brunswick, NJ 08901-8520, USA;
| | - Iole Tomassini Barbarossa
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato (CA), Italy; (M.M.); (G.S.); (R.C.)
- Correspondence: ; Tel.: +39-070-6754144
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18
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Shungin D, Haworth S, Divaris K, Agler CS, Kamatani Y, Keun Lee M, Grinde K, Hindy G, Alaraudanjoki V, Pesonen P, Teumer A, Holtfreter B, Sakaue S, Hirata J, Yu YH, Ridker PM, Giulianini F, Chasman DI, Magnusson PKE, Sudo T, Okada Y, Völker U, Kocher T, Anttonen V, Laitala ML, Orho-Melander M, Sofer T, Shaffer JR, Vieira A, Marazita ML, Kubo M, Furuichi Y, North KE, Offenbacher S, Ingelsson E, Franks PW, Timpson NJ, Johansson I. Genome-wide analysis of dental caries and periodontitis combining clinical and self-reported data. Nat Commun 2019; 10:2773. [PMID: 31235808 PMCID: PMC6591304 DOI: 10.1038/s41467-019-10630-1] [Citation(s) in RCA: 170] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 05/22/2019] [Indexed: 12/18/2022] Open
Abstract
Dental caries and periodontitis account for a vast burden of morbidity and healthcare spending, yet their genetic basis remains largely uncharacterized. Here, we identify self-reported dental disease proxies which have similar underlying genetic contributions to clinical disease measures and then combine these in a genome-wide association study meta-analysis, identifying 47 novel and conditionally-independent risk loci for dental caries. We show that the heritability of dental caries is enriched for conserved genomic regions and partially overlapping with a range of complex traits including smoking, education, personality traits and metabolic measures. Using cardio-metabolic traits as an example in Mendelian randomization analysis, we estimate causal relationships and provide evidence suggesting that the processes contributing to dental caries may have undesirable downstream effects on health.
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Affiliation(s)
- Dmitry Shungin
- Department of Odontology, Umeå University, Umeå, SE-901 85, Sweden.,Broad Institute of MIT and Harvard, Cambridge, MA, 02142, USA
| | - Simon Haworth
- Medical Research Council Integrative Epidemiology Unit, Bristol Medical School, Bristol, BS8 2BN, UK. .,Bristol Dental School, Bristol, BS1 2LY, UK.
| | - Kimon Divaris
- Department of Pediatric Dentistry, School of Dentistry, University of North Carolina, Chapel Hill, NC, 27599, USA.,Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Cary S Agler
- Department of Oral and Craniofacial Health Sciences, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Yoichiro Kamatani
- RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, 230-0045, Japan
| | - Myoung Keun Lee
- Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - Kelsey Grinde
- Department of Biostatistics, University of Washington, Seattle, WA, 98195, USA
| | | | - Viivi Alaraudanjoki
- Research Unit of Oral Health Sciences University of Oulu, Oulu, FI-90014, Finland
| | - Paula Pesonen
- Infrastructure for Population Studies, Faculty of Medicine, University of Oulu, Oulu, FI-90014, Finland
| | - Alexander Teumer
- Institute for Community Medicine, University Medicine Greifswald, Greifswald, 17475, Germany
| | - Birte Holtfreter
- Department of Restorative Dentistry, Periodontology, Endodontology, and Preventive and Pediatric Dentistry University Medicine Greifswald, Greifswald, 17475, Germany
| | - Saori Sakaue
- Department of Statistical Genetics, Osaka University Graduate School of Medicine, Suita, Osaka, 565-0871, Japan
| | - Jun Hirata
- Department of Statistical Genetics, Osaka University Graduate School of Medicine, Suita, Osaka, 565-0871, Japan
| | - Yau-Hua Yu
- Division of Preventive Medicine, Brigham and Women's Hospital, Boston, MA, 02215, USA.,Department of Periodontology, Tufts University School of Dental Medicine, Boston, MA, 02111, USA
| | - Paul M Ridker
- Division of Preventive Medicine, Brigham and Women's Hospital, Boston, MA, 02215, USA.,Harvard Medical School, Boston, MA, 02115, USA
| | - Franco Giulianini
- Division of Preventive Medicine, Brigham and Women's Hospital, Boston, MA, 02215, USA
| | - Daniel I Chasman
- Division of Preventive Medicine, Brigham and Women's Hospital, Boston, MA, 02215, USA.,Harvard Medical School, Boston, MA, 02115, USA
| | - Patrik K E Magnusson
- Department of Medical Epidemiology and Biostatistics, Karolinska Instituet, Stockholm, SE-171 77, Sweden
| | - Takeaki Sudo
- Department of Periodontology, Graduate School of Medical and Dental Science of Tokyo Medical and Dental University, Tokyo, 113-8510, Japan
| | - Yukinori Okada
- Department of Statistical Genetics, Osaka University Graduate School of Medicine, Suita, Osaka, 565-0871, Japan
| | - Uwe Völker
- Department of Functional Genomics, Interfaculty Institute for Genetics and Functional Genomics, University Medicine Greifswald, Greifswald, 17475, Germany
| | - Thomas Kocher
- Department of Restorative Dentistry, Periodontology, Endodontology, and Preventive and Pediatric Dentistry University Medicine Greifswald, Greifswald, 17475, Germany
| | - Vuokko Anttonen
- Research Unit of Oral Health Sciences University of Oulu, Oulu, FI-90014, Finland.,MRC, Oulu University Hospital and University of Oulu, Oulu, FI-90014, Finland
| | - Marja-Liisa Laitala
- Research Unit of Oral Health Sciences University of Oulu, Oulu, FI-90014, Finland
| | | | - Tamar Sofer
- Harvard Medical School, Boston, MA, 02115, USA.,Department of Sleep Medicine, Brigham and Women's Hospital, Boston, MA, 02130, USA
| | - John R Shaffer
- Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA.,Department of Human Genetics, University of Pittburgh, Pittsburgh, PA, 15261, USA.,Department of Oral Biology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Alexandre Vieira
- Department of Oral Biology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Mary L Marazita
- Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA.,Department of Human Genetics, University of Pittburgh, Pittsburgh, PA, 15261, USA.,Department of Oral Biology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Michiaki Kubo
- RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, 230-0045, Japan
| | - Yasushi Furuichi
- Department of Oral Rehabilitation, Division of Periodontology and Endodontology, School of Dentistry, Health Sciences University of Hokkaido, Tobetsu, Hokkaido, 061-0293, Japan
| | - Kari E North
- Department of Epidemiology, University of North Carolina, Chapel Hill, NC 27516, USA
| | - Steve Offenbacher
- Department of Periodontology, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Erik Ingelsson
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, 94305, USA.,Stanford Cardiovascular Institute, Stanford University, Stanford, CA, 94305, USA.,Stanford Diabetes Research Center, Stanford University, Stanford, CA, 94305, USA
| | - Paul W Franks
- Department of Clinical Sciences, Genetic and Molecular Epidemiology Unit, Lund University, Malmö, SE-214 28, Sweden.,Department of Public Health and Clinical Medicine, Umeå University, Umeå, SE-901 87, Sweden.,Department of Nutrition, Harvard T. H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Nicholas J Timpson
- Medical Research Council Integrative Epidemiology Unit, Bristol Medical School, Bristol, BS8 2BN, UK
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