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Arif Khan M, Chandra D, Singh B, Gowrav P, Gupta S, Rani Roy T. Effects of Smokeless Tobacco on Oral Health: A Cross-Sectional Study. Cureus 2024; 16:e60391. [PMID: 38882958 PMCID: PMC11179854 DOI: 10.7759/cureus.60391] [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: 03/15/2024] [Accepted: 05/09/2024] [Indexed: 06/18/2024] Open
Abstract
BACKGROUND Smokeless tobacco (SLT) consumption poses a significant global public health challenge because of its adverse effects on oral health. Although the detrimental impact of SLT on oral tissues is well-documented, understanding its multifaceted effects is essential for effective prevention and intervention strategies. OBJECTIVE This study aimed to comprehensively assess the impact of SLT on oral health, focusing on various clinical parameters and their differences between placement and non-placement sites of SLT. METHODS A cross-sectional study involving 528 habitual users of SLT was conducted. Clinical parameters included the plaque index (PI), gingival index (GI), gingival bleeding index (GBI), gingival recession (GR), and probing depth (PD). Oral mucosal changes at SLT placement sites have also been reported. Statistical analysis was performed to compare parameters between the placement and non-placement sites. RESULTS The study involved 528 subjects, mostly male (82%) and aged 21-40 years (mean±SD=31.14±9.10), habitual users of SLT. Prevalent SLT types included tobacco with betel nuts/masala/gutkha (59.9%) and tobacco with lime (54.5%). Significant differences were observed between SLT placement and non-placement sites: higher gingival inflammation (GI) at placement sites (1.54±0.61 vs. 1.45±0.54, p=0.01), lower GBI at placement sites (40.0% vs. 84.3%, p=0.001), and more prevalent GR (65.7% vs. 34.3%, p=0.03) at placement sites. Probing depths ≥ 3 mm were also less frequent at placement sites (2.67±0.72) than non-placement sites (3.37±1.03, p=0.001). These results highlight the detrimental impact of SLT on periodontal health, emphasizing the need for targeted interventions among SLT users. CONCLUSION SLT use is associated with adverse effects on oral health, including GI, plaque accumulation, gingival bleeding, GR, and changes in the oral mucosa. Targeted interventions and public health policies are needed to address these issues effectively.
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Affiliation(s)
- Mohammad Arif Khan
- Department of Periodontology, Career Post Graduate Institute of Dental Sciences and Hospital, Lucknow, IND
| | - Deepti Chandra
- Department of Periodontology, Career Post Graduate Institute of Dental Sciences and Hospital, Lucknow, IND
| | - Brijendra Singh
- Department of Periodontology, Babu Banarasi Das College of Dental Sciences, Lucknow, IND
| | - Piyush Gowrav
- Department of Periodontology, Babu Banarasi Das College of Dental Sciences, Lucknow, IND
| | - Sanjay Gupta
- Department of Periodontology, Career Post Graduate Institute of Dental Sciences and Hospital, Lucknow, IND
| | - Tulika Rani Roy
- Department of Periodontology, Inderprastha Dental College and Hospital, Ghaziabad, IND
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Brembach TC, Sabat R, Witte K, Schwerdtle T, Wolk K. Molecular and functional changes in neutrophilic granulocytes induced by nicotine: a systematic review and critical evaluation. Front Immunol 2023; 14:1281685. [PMID: 38077313 PMCID: PMC10702484 DOI: 10.3389/fimmu.2023.1281685] [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: 08/29/2023] [Accepted: 11/08/2023] [Indexed: 12/18/2023] Open
Abstract
Background Over 1.1 billion people smoke worldwide. The alkaloid nicotine is a prominent and addictive component of tobacco. In addition to tumors and cardiovascular disorders, tobacco consumption is associated with a variety of chronic-inflammatory diseases. Although neutrophilic granulocytes (neutrophils) play a role in the pathogenesis of many of these diseases, the impact of nicotine on neutrophils has not been systematically reviewed so far. Objectives The aim of this systematic review was to evaluate the direct influence of nicotine on human neutrophil functions, specifically on cell death/damage, apoptosis, chemotaxis, general motility, adhesion molecule expression, eicosanoid synthesis, cytokine/chemokine expression, formation of neutrophil extracellular traps (NETs), phagocytosis, generation of reactive oxygen species (ROS), net antimicrobial activity, and enzyme release. Material and methods This review was conducted according to the PRISMA guidelines. A literature search was performed in the databases NCBI Pubmed® and Web of Science™ in February 2023. Inclusion criteria comprised English written research articles, showing in vitro studies on the direct impact of nicotine on specified human neutrophil functions. Results Of the 532 originally identified articles, data from 34 articles were finally compiled after several evaluation steps. The considered studies highly varied in methodological aspects. While at high concentrations (>3 mmol/l) nicotine started to be cytotoxic to neutrophils, concentrations typically achieved in blood of smokers (in the nmol/l range) applied for long exposure times (24-72h) supported the survival of neutrophils. Smoking-relevant nicotine concentrations also increased the chemotaxis of neutrophils towards several chemoattractants, elevated their production of elastase, lipocalin-2, CXCL8, leukotriene B4 and prostaglandin E2, and reduced their integrin expression. Moreover, while nicotine impaired the neutrophil phagocytotic and anti-microbial activity, a range of studies demonstrated increased NET formation. However, conflicting effects were found on ROS generation, selectin expression and release of β-glucuronidase and myeloperoxidase. Conclusion Nicotine seems to support the presence in the tissue and the inflammatory and selected tissue-damaging activity of neutrophils and reduces their antimicrobial functions, suggesting a direct contribution of nicotine to the pathogenesis of chronic-inflammatory diseases via influencing the neutrophil biology.
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Affiliation(s)
- Theresa-Charlotte Brembach
- Psoriasis Research and Treatment Center, Charité – Universitätsmedizin Berlin, Berlin, Germany
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
| | - Robert Sabat
- Psoriasis Research and Treatment Center, Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Katrin Witte
- Psoriasis Research and Treatment Center, Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Tanja Schwerdtle
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
- German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Kerstin Wolk
- Psoriasis Research and Treatment Center, Charité – Universitätsmedizin Berlin, Berlin, Germany
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Costa FO, Lages EJP, Cortelli SC, Cortelli JR, Mattos-Pereira GH, Lima RPE, Cota LOM. Association between cumulative smoking exposure, span since smoking cessation, and peri-implantitis: a cross-sectional study. Clin Oral Investig 2022; 26:4835-4846. [PMID: 35316410 DOI: 10.1007/s00784-022-04451-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 03/12/2022] [Indexed: 11/03/2022]
Abstract
OBJECTIVES To investigate the association of cumulative smoking exposure and span since smoking cessation with the occurrence of peri-implantitis. METHODS A sample of 350 individuals aged ≥ 35 years, with the presence of at least one osseointegrated implant functioning for > 5 years, were enrolled in the study. According to smoking habits, participants were categorized into 3 groups: non-smokers (NS; n = 212), former smokers (FC; n = 66), and current smokers (CS; n = 72). Complete peri-implant and periodontal examinations were evaluated. Associations between the occurrence of peri-implantitis and smoking habits, as well as potential confounders, were evaluated through univariate and multivariate analyses. RESULTS The occurrence of peri-implantitis in the NS, FS, and CS groups was 18.2%, 19.7%, and 30.5%, respectively. A high prevalence of the overall number of cases with periodontitis (54.2%) was observed in the CS group when compared to the FS and NS groups. After adjusting for confounders, the odds ratio (OR) for the occurrence of peri-implantitis was 2.63 (1.39-6.77; p < 0.001) for CS compared to NS. There was a significant dose-response relationship between pack/year of smoking and the occurrence of peri-implantitis, as well as a significant decrease in the risk as the years of smoking cessation increased. CONCLUSIONS The occurrence of peri-implantitis among CS was high. The cumulative smoking exposure in an incremental manner and the shorter smoking cessation span was directly associated with a higher risk for peri-implantitis. CLINICAL RELEVANCE Educational and preventive strategies in general health services must attempt to reduce the adverse effects of cumulative smoking exposure and to explore the beneficial effects of smoking cessation on peri-implant status.
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Affiliation(s)
- Fernando Oliveira Costa
- Department of Dental Clinics, Oral Pathology and Oral Surgery, Periodontology Division, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
| | - Eugênio José Pereira Lages
- Department of Dental Clinics, Oral Pathology and Oral Surgery, Periodontology Division, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Sheila Cavalca Cortelli
- Department of Dental Clinics, Oral Pathology and Oral Surgery, Periodontology Division, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - José Roberto Cortelli
- Department of Dentistry, Periodontics Research Division, University of Taubaté, São Paulo, Brazil
| | - Gustavo Henrique Mattos-Pereira
- Department of Dental Clinics, Oral Pathology and Oral Surgery, Periodontology Division, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Rafael Paschoal Esteves Lima
- Department of Dental Clinics, Oral Pathology and Oral Surgery, Periodontology Division, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Luís Otávio Miranda Cota
- Department of Dental Clinics, Oral Pathology and Oral Surgery, Periodontology Division, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
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Dahdah A, Johnson J, Gopalkrishna S, Jaggers RM, Webb D, Murphy AJ, Hanssen NMJ, Hanaoka BY, Nagareddy PR. Neutrophil Migratory Patterns: Implications for Cardiovascular Disease. Front Cell Dev Biol 2022; 10:795784. [PMID: 35309915 PMCID: PMC8924299 DOI: 10.3389/fcell.2022.795784] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 01/18/2022] [Indexed: 12/31/2022] Open
Abstract
The body's inflammatory response involves a series of processes that are necessary for the immune system to mitigate threats from invading pathogens. Leukocyte migration is a crucial process in both homeostatic and inflammatory states. The mechanisms involved in immune cell recruitment to the site of inflammation are numerous and require several cascades and cues of activation. Immune cells have multiple origins and can be recruited from primary and secondary lymphoid, as well as reservoir organs within the body to generate an immune response to certain stimuli. However, no matter the origin, an important aspect of any inflammatory response is the web of networks that facilitates immune cell trafficking. The vasculature is an important organ for this trafficking, especially during an inflammatory response, mainly because it allows cells to migrate towards the source of insult/injury and serves as a reservoir for leukocytes and granulocytes under steady state conditions. One of the most active and vital leukocytes in the immune system's arsenal are neutrophils. Neutrophils exist under two forms in the vasculature: a marginated pool that is attached to the vessel walls, and a demarginated pool that freely circulates within the blood stream. In this review, we seek to present the current consensus on the mechanisms involved in leukocyte margination and demargination, with a focus on the role of neutrophil migration patterns during physio-pathological conditions, in particular diabetes and cardiovascular disease.
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Affiliation(s)
- Albert Dahdah
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Jillian Johnson
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Sreejit Gopalkrishna
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Robert M. Jaggers
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Darren Webb
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Andrew J. Murphy
- Division of Immunometabolism, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Nordin M. J. Hanssen
- Amsterdam Diabetes Centrum, Internal and Vascular Medicine, Amsterdam UMC, Amsterdam, Netherlands
| | - Beatriz Y. Hanaoka
- Department of Internal Medicine, Division of Rheumatology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Prabhakara R. Nagareddy
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
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5
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Yamashita K, Seshima F, Kigure T, Tomita S, Saito A. Treatment of Chronic Periodontitis with Smoking Cessation Care and Periodontal Surgery in an Elderly Patient: A Case Report Including a 4-year Follow-up. THE BULLETIN OF TOKYO DENTAL COLLEGE 2022; 63:31-40. [DOI: 10.2209/tdcpublication.2021-0033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | - Fumi Seshima
- Department of Periodontology, Tokyo Dental College
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6
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Chang J, Meng HW, Lalla E, Lee CT. The impact of smoking on non-surgical periodontal therapy: A systematic review and meta-analysis. J Clin Periodontol 2020; 48:60-75. [PMID: 33022758 DOI: 10.1111/jcpe.13384] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 09/17/2020] [Accepted: 09/28/2020] [Indexed: 11/30/2022]
Abstract
AIM Smoking is a risk factor for periodontitis. This study aimed to evaluate the impact of smoking on clinical outcomes of non-surgical periodontal therapy. MATERIALS AND METHODS Electronic databases were searched to screen studies published before May 2020. The included studies had to have two groups: smokers (S) and non-smokers (NS) with periodontitis. The outcomes evaluated were differences between groups in probing depth (PD) reduction and clinical attachment level (CAL) gain after non-surgical periodontal therapy. Meta-regressions were conducted to evaluate correlations between outcomes and other contributing factors. RESULTS Seventeen studies were included. The post-treatment PD reduction in the S group was smaller than in the NS group (weighted mean difference in PD reduction: -0.33 mm, 95% confidence interval (CI): [-0.49, -0.17], p < .01). The CAL gain in the S group was also smaller than in the NS group (weighted mean difference in CAL gain: -0.20 mm, CI: [-0.39, -0.02], p < .01). Additionally, baseline PD significantly affected the difference in PD reduction between two groups. CONCLUSIONS Smoking negatively impacts clinical responses to non-surgical periodontal therapy. Smokers with periodontitis have significantly less PD reduction and CAL gain than non-smokers.
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Affiliation(s)
- Jennifer Chang
- Department of Periodontics and Dental Hygiene, The University of Texas Health Science Center at Houston School of Dentistry, Houston, TX, USA
| | - Hsiu-Wan Meng
- Department of Periodontics and Dental Hygiene, The University of Texas Health Science Center at Houston School of Dentistry, Houston, TX, USA
| | - Evanthia Lalla
- Division of Periodontics, Columbia University College of Dental Medicine, New York, NY, USA
| | - Chun-Teh Lee
- Department of Periodontics and Dental Hygiene, The University of Texas Health Science Center at Houston School of Dentistry, Houston, TX, USA
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7
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Salhi L, Albert A, Seidel L, Lambert F. Respective Effects of Oral Hygiene Instructions and Periodontal Nonsurgical Treatment (Debridement) on Clinical Parameters and Patient-Reported Outcome Measures with Respect to Smoking. J Clin Med 2020; 9:E2491. [PMID: 32756385 PMCID: PMC7464916 DOI: 10.3390/jcm9082491] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 07/29/2020] [Accepted: 07/30/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Oral hygiene instructions (OHI) and periodontal nonsurgical treatment (PNST) play pivotal roles in the management of periodontitis. The study aims to discern their respective effects on periodontal clinical parameters and patient-reported outcome measures (PROMs). METHODS Ninety-one patients were included, 34 non-smokers (NS), 25 former smokers (FS) and 32 current smoker (CS). Clinical parameters such as probing depth (PD) and bleeding on probing (BOP) were collected, and the periodontal inflamed tissue area (PISA) was calculated. Clinical parameters and PROMs were recorded before and after receiving OHI, with electronic tooth brush and interdental brushes, as well as 3 months after debridement. RESULTS Smokers presented a significantly higher proportion of severe periodontitis (64.7%) with generalized extension (76.5%) and with a rapid rate of progression (97.1%) compared to NS and FS. OHI led to a significant decrease of PD, BOP, and PISA (p < 0.0001) only in NS and FS. Debridement reduced PD and the percentage of PD >6 mm in all groups (p < 0.0001). OHI induced significant improvement of oral hygiene, frequency of interdental cleaning, and PROMs (p < 0.0001). Further debridement induced significant additional improvement PROMs in FS and NS (p < 0.0001). CONCLUSION OHI and debridement improved periodontal clinical parameters and PROMs in both NS and FS. Former smokers had comparable outcomes to non-smokers, suggesting that smoking cessation should be encouraged.
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Affiliation(s)
- Leila Salhi
- Department of Periodontology and Oral Surgery, Faculty of Medicine, University of Liège, 4000 Liège, Belgium
| | - Adelin Albert
- Department of Public Health Sciences, University of Liège, 4000 Liège, Belgium;
| | - Laurence Seidel
- Department of Biostatistics and Medico-economic information, University of Liège, 4000 Liège, Belgium;
| | - France Lambert
- Dental Biomaterials Research Unit, Department of Periodontology and Oral Surgery, Faculty of Medicine, University of Liège, 4000 Liège, Belgium;
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8
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Holliday RS, Campbell J, Preshaw PM. Effect of nicotine on human gingival, periodontal ligament and oral epithelial cells. A systematic review of the literature. J Dent 2019; 86:81-88. [DOI: 10.1016/j.jdent.2019.05.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 04/27/2019] [Accepted: 05/24/2019] [Indexed: 10/26/2022] Open
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Khemiss M, Ben Fekih D, Ben Khelifa M, Ben Saad H. Comparison of Periodontal Status Between Male Exclusive Narghile Smokers and Male Exclusive Cigarette Smokers. Am J Mens Health 2019; 13:1557988319839872. [PMID: 30902035 PMCID: PMC6440045 DOI: 10.1177/1557988319839872] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Studies evaluating the effects of narghile use on the periodontium present conflicting conclusions. This study aimed to compare the periodontal status of exclusive narghile smokers (ENSs, n = 74) to that of exclusive cigarette smokers (ECSs, n = 74). Males aged 20-40 years were recruited to participate in this comparative study. Information concerning oral health habits (number of yearly visits to the dentist, daily toothbrushing frequency) and tobacco exposure were obtained. Clinical measurements were performed on all the existing teeth, except the third molars. The number of remaining teeth and decayed/missing/filled teeth (DMFT) were noted. The plaque levels were recorded using the plaque index of Löe and Silness. The gingival index modified by Löe was used to evaluate gingival inflammation. Teeth mobility was measured using bidigital mobility. The probing pocket depth was measured using a periodontal probe. Periodontal disease was defined as the presence of at least 10 sites with a probing depth ≥5 mm. Student's t and chi-square tests were used to compare, respectively, the two groups' quantitative and qualitative data. The two groups were matched for quantities of used tobacco, age, daily toothbrushing frequency, teeth mobility, number of remaining teeth, plaque index, and DMFT. Compared to the ECS group, the ENS group had a significantly lower number of yearly visits to the dentist (mean ± SD: 0.2 ± 0.5 vs. 0.1 ± 0.2), lower probing pocket depth (mean ± SD: 2.33 ± 0.63 vs. 2.02 ± 0.80 mm), and gingival index (median [interquartile]: 0.46 [0.10-0.89] vs. 0.00 [0.00-0.50]), and it included significantly lower percentages of smokers with periodontal disease (24.3% vs. 9.5%). In conclusion, chronic exclusive narghile smoking has fewer adverse effects on the periodontium than chronic exclusive cigarette smoking.
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Affiliation(s)
- Mehdi Khemiss
- Department of Dental Medicine, Fattouma Bourguiba University Hospital of Monastir, Tunisia,Research Laboratory N8 LR12SP10: Maxilla Functional and Aesthetic Rehabilitation, Farhat Hached University Hospital of Sousse, Tunisia
| | - Dalila Ben Fekih
- Department of Dental Medicine, Fattouma Bourguiba University Hospital of Monastir, Tunisia
| | - Mohamed Ben Khelifa
- Department of Dental Medicine, Fattouma Bourguiba University Hospital of Monastir, Tunisia,Research Laboratory N8 LR12SP10: Maxilla Functional and Aesthetic Rehabilitation, Farhat Hached University Hospital of Sousse, Tunisia
| | - Helmi Ben Saad
- Université de Sousse, Hôpital Farhat Hached, Service de Physiologie et Explorations Fonctionnelles, Tunisia,Heart Failure (LR12SP09) Research Laboratory, Farhat Hached Hospital, Sousse, Tunisia,Laboratory of Physiology, Faculty of Medicine of Sousse, University of Sousse, Tunisia,Helmi Ben Saad, Laboratory of Physiology, Faculty of Medicine of Sousse, Rue Mohamed Karoui, Sousse, Tunisia.
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10
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Mazel A, Belkacemi S, Tavitian P, Stéphan G, Tardivo D, Catherine JH, Aboudharam G. Peri-implantitis risk factors: A prospective evaluation. ACTA ACUST UNITED AC 2019; 10:e12398. [DOI: 10.1111/jicd.12398] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 11/19/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Anthony Mazel
- UFR Odontologie; Aix-Marseille Université; Marseille France
| | - Souad Belkacemi
- Aix-Marseille Université UM63; Institut de Recherche pour le Développement IRD 198; Assistance Publique - Hôpitaux de Marseille (AP-HM), Microbes, Evolution, Phylogeny and Infection (MEΦI); Institut Hospitalo-Universitaire (IHU) - Méditerranée Infection; Marseille France
| | | | | | | | | | - Gérard Aboudharam
- UFR Odontologie; Aix-Marseille Université; Marseille France
- Aix-Marseille Université UM63; Institut de Recherche pour le Développement IRD 198; Assistance Publique - Hôpitaux de Marseille (AP-HM), Microbes, Evolution, Phylogeny and Infection (MEΦI); Institut Hospitalo-Universitaire (IHU) - Méditerranée Infection; Marseille France
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11
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Buckley CD, McGettrick HM. Leukocyte trafficking between stromal compartments: lessons from rheumatoid arthritis. Nat Rev Rheumatol 2018; 14:476-487. [DOI: 10.1038/s41584-018-0042-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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12
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Bai X, Stitzel JA, Bai A, Zambrano CA, Phillips M, Marrack P, Chan ED. Nicotine Impairs Macrophage Control of Mycobacterium tuberculosis. Am J Respir Cell Mol Biol 2017; 57:324-333. [PMID: 28398760 DOI: 10.1165/rcmb.2016-0270oc] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Pure nicotine impairs macrophage killing of Mycobacterium tuberculosis (MTB), but it is not known whether the nicotine component in cigarette smoke (CS) plays a role. Moreover, the mechanisms by which nicotine impairs macrophage immunity against MTB have not been explored. To neutralize the effects of nicotine in CS extract, we used a competitive inhibitor to the nicotinic acetylcholine receptor (nAChR)-mecamylamine-as well as macrophages derived from mice with genetic disruption of specific subunits of nAChR. We also determined whether nicotine impaired macrophage autophagy and whether nicotine-exposed T regulatory cells (Tregs) could subvert macrophage anti-MTB immunity. Mecamylamine reduced the CS extract increase in MTB burden by 43%. CS extract increase in MTB was also significantly attenuated in macrophages from mice with genetic disruption of either the α7, β2, or β4 subunit of nAChR. Nicotine inhibited autophagosome formation in MTB-infected THP-1 cells and primary murine alveolar macrophages, as well as increased the intracellular MTB burden. Nicotine increased migration of THP-1 cells, consistent with the increased number of macrophages found in the lungs of smokers. Nicotine induced Tregs to produce transforming growth factor-β. Naive mouse macrophages co-cultured with nicotine-exposed Tregs had significantly greater numbers of viable MTB recovered with increased IL-10 production and urea production, but no difference in secreted nitric oxide as compared with macrophages cocultured with unexposed Tregs. We conclude that nicotine in CS plays an important role in subverting macrophage control of MTB infection.
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Affiliation(s)
- Xiyuan Bai
- 1 Department of Medicine, Denver Veterans Affairs Medical Center, Denver, Colorado.,Departments of 2 Medicine.,3 Academic Affairs, and.,4 Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado School of Medicine, Aurora, Colorado; and
| | - Jerry A Stitzel
- 5 Department of Integrative Physiology, Institute for Behavioral Genetics, University of Colorado Boulder, Boulder, Colorado
| | - An Bai
- 1 Department of Medicine, Denver Veterans Affairs Medical Center, Denver, Colorado.,Departments of 2 Medicine.,3 Academic Affairs, and
| | - Cristian A Zambrano
- 5 Department of Integrative Physiology, Institute for Behavioral Genetics, University of Colorado Boulder, Boulder, Colorado
| | | | - Philippa Marrack
- 6 Immunology, and.,7 Howard Hughes Medical Institute, National Jewish Health, Denver, Colorado
| | - Edward D Chan
- 1 Department of Medicine, Denver Veterans Affairs Medical Center, Denver, Colorado.,Departments of 2 Medicine.,3 Academic Affairs, and.,4 Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado School of Medicine, Aurora, Colorado; and
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13
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Mulcahy MJ, Lester HA. Granulocytes as models for human protein marker identification following nicotine exposure. J Neurochem 2017; 142 Suppl 2:151-161. [PMID: 28791704 PMCID: PMC6057152 DOI: 10.1111/jnc.14010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 02/28/2017] [Accepted: 03/01/2017] [Indexed: 12/23/2022]
Abstract
Nicotinic acetylcholine receptors (nAChRs) are pentameric cation channels expressed in the mammalian CNS, in the peripheral nervous system, and in skeletal muscle. Neuronal-type nAChRs are also found in several non-neuronal cell types, including leukocytes. Granulocytes are a subtype of leukocytes that include basophils, eosinophils, and neutrophils. Granulocytes, also known as polymorphonuclear leukocytes, are characterized by their ability to produce, store, and release compounds from intracellular granules. Granulocytes are the most abundant type of leukocyte circulating in the peripheral blood. Granulocyte abundance, nAChR expression, and nAChR upregulation following chronic nicotine administration makes granulocytes interesting models for identifying protein markers of nicotine exposure. Nicotinic receptor subunits and several non-nAChR proteins have been identified as protein markers of granulocyte nicotine exposure. We review methods to isolate granulocytes from human tissue, summarize present data about the expression of nAChRs in the three granulocyte cell types (basophils, eosinophils, and neutrophils), describe current knowledge of the effects of nicotine exposure on human granulocyte protein expression, and highlight areas of interest for future investigation. This is an article for the special issue XVth International Symposium on Cholinergic Mechanisms.
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Affiliation(s)
- Matthew J Mulcahy
- Department of Biology, California Institute of Technology, Pasadena, California, USA
| | - Henry A Lester
- Department of Biology, California Institute of Technology, Pasadena, California, USA
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Rouabhia M, Park HJ, Semlali A, Zakrzewski A, Chmielewski W, Chakir J. E-Cigarette Vapor Induces an Apoptotic Response in Human Gingival Epithelial Cells Through the Caspase-3 Pathway. J Cell Physiol 2016; 232:1539-1547. [PMID: 27808425 DOI: 10.1002/jcp.25677] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 11/01/2016] [Indexed: 12/21/2022]
Abstract
Electronic cigarettes represent an increasingly significant proportion of today's consumable tobacco products. E-cigarettes contain several chemicals which may promote oral diseases. The aim of this study was to investigate the effect of e-cigarette vapor on human gingival epithelial cells. Results show that e-cigarette vapor altered the morphology of cells from small cuboidal form to large undefined shapes. Both single and multiple exposures to e-cigarette vapor led to a bulky morphology with large faint nuclei and an enlarged cytoplasm. E-cigarette vapor also increased L-lactate dehydrogenase (LDH) activity in the targeted cells. This activity was greater with repeated exposures. Furthermore, e-cigarette vapor increased apoptotic/necrotic epithelial cell percentages compared to that observed in the control. Epithelial cell apoptosis was confirmed by TUNEL assay showing that exposure to e-cigarette vapor increased apoptotic cell numbers, particularly after two and three exposures. This negative effect involved the caspase-3 pathway, the activity of which was greater with repeated exposure and which decreased following the use of caspase-3 inhibitor. The adverse effects of e-cigarette vapor on gingival epithelial cells may lead to dysregulated gingival cell function and result in oral disease. J. Cell. Physiol. 232: 1539-1547, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Mahmoud Rouabhia
- Groupe de Recherche en Écologie Buccale, Faculté de Médecine Dentaire, Université Laval, Québec, QC, Canada
| | - Hyun Jin Park
- Groupe de Recherche en Écologie Buccale, Faculté de Médecine Dentaire, Université Laval, Québec, QC, Canada
| | - Abdelhabib Semlali
- Department of Biochemistry, Genome Research Chair, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Andrew Zakrzewski
- Groupe de Recherche en Écologie Buccale, Faculté de Médecine Dentaire, Université Laval, Québec, QC, Canada
| | - Witold Chmielewski
- Groupe de Recherche en Écologie Buccale, Faculté de Médecine Dentaire, Université Laval, Québec, QC, Canada
| | - Jamila Chakir
- Institut universitaire de cardiologie et de pneumologie de Québec, Université Laval, Québec, QC, Canada
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Camargo GADCG, Abreu MGL, Cordeiro RDS, Wenderoscky LDF, Duque C. Prevalence of periodontopathogens and Candida spp. in smokers after nonsurgical periodontal therapy - a pilot study. Braz Oral Res 2016; 30:e92. [PMID: 27556680 DOI: 10.1590/1807-3107bor-2016.vol30.0092] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Accepted: 05/30/2016] [Indexed: 11/21/2022] Open
Abstract
This pilot study aimed to evaluate the influence of smoking on clinical and microbiological parameters after nonsurgical periodontal therapy. Forty-eight subjects were grouped into smokers (SM, n = 24) and nonsmokers (NS, n = 24) and paired according to gender, age, ethnicity, and periodontal status. Both groups received oral hygiene education and scaling and root planing. Clinical evaluation was performed using plaque index (PI), bleeding on probing (BOP), pocket probing depth (PPD), gingival recession (GR), and clinical attachment level (CAL) before instrumentation (baseline) and at 3 and 6 months. The prevalence of Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Tannerella forsythia, Candida albicans, Candida glabrata, Candida tropicalis, and Candida dubliniensis in subgingival biofilm was determined by polymerase chain reaction. The data were statistically analyzed considering p < 0.05. Clinical conditions improved between baseline and 3 months after periodontal treatment. However, NS had a better clinical response, presenting greater PPD reduction and CAL increase in comparison to SM. Periodontal treatment reduced the levels of P. gingivalis, A. actinomycetemcomitans, and T. forsythia individually after 3 months for the NS group and after 6 months for both groups. The prevalence of Candida species was markedly higher in SM than in NS at all time points evaluated. Periodontopathogens associated or not with C. albicans or C. dubliniensis were more prevalent in SM than in NS at baseline and after 3 months. It was concluded that smoking impairs clinical and microbiological responses to periodontal therapy. Periodontopathogens combined or not with some Candida species are resistant to short-term periodontal therapy in SM.
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Affiliation(s)
| | | | | | | | - Cristiane Duque
- Universidade Estadual Paulista - UNESP, Araçatuba Dental School, Department of Pediatric Dentistry and Public Health, Araçatuba, SP, Brazil
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16
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Nicotinic receptor involvement in regulation of functions of mouse neutrophils from inflammatory site. Immunobiology 2016; 221:761-72. [DOI: 10.1016/j.imbio.2016.01.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 01/30/2016] [Indexed: 01/08/2023]
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17
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Impact of a chronic smoking habit on the osteo-immunoinflammatory mediators in the peri-implant fluid of clinically healthy dental implants. Arch Oral Biol 2016; 70:55-61. [PMID: 27328151 DOI: 10.1016/j.archoralbio.2016.05.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Revised: 12/08/2015] [Accepted: 05/20/2016] [Indexed: 11/19/2022]
Abstract
OBJECTIVE The aim of this study was to evaluate the influence of chronic cigarette smoking on the profile of osteo-immunoinflammatory markers in the peri-implant crevicular fluid (PICF) from clinically healthy implants DESIGNS: Twenty-five smokers and 23 non-smoker subjects with a unitary screwed implant-supported crown in the molar or pre-molar region were enrolled in this study. The implants should have been in functioning for at least 12 months, and the peri-implant tissue should be clinically healthy [probing depth (PD)<4mm with no bleeding on probing (BoP) and no evidence of radiographic bone loss beyond bone remodeling]. The levels of interferon (INF)-γ, interleukin (IL)-4, IL-17, IL-1β, IL-10, IL-6, IL-8, tumor necrosis factor (TNF)-α, matrix metalloproteinase (MMP)-2, MMP-9, osteoprotegerin (OPG), soluble receptor activator of nuclear factor-κβ ligand (RANKL), osteocalcin (OC), osteopontin (OPN), transforming growth factor (TGF)-β, and cross-linked telopeptide of type I collagen (ICTP) in the PICF were quantified by a multiplexed bead immunoassay. RESULTS The smokers presented reduced levels of IL-4, IL-8, and TNF-α compared with the non-smoker individuals (p<0.05). In addition, although lower OPG levels were detected in the PICF of the smokers, the RANKL/OPG ratio did not show a significant difference (p>0.05). Moreover, higher ICTP concentrations and a higher TH1/TH2 ratio were observed in the PICF of the smoker patients (p<0.05). No differences between the groups were observed for the other markers evaluated (p>0.05). CONCLUSIONS Smoking habit modulate peri-implant cytokine profile, leading to reductions in IL-4, -8 TNF-α, and OPG levels and an increased ICTP and TH1/TH2 ratio in peri-implant crevicular fluid.
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Kubota M, Yanagita M, Mori K, Hasegawa S, Yamashita M, Yamada S, Kitamura M, Murakami S. The Effects of Cigarette Smoke Condensate and Nicotine on Periodontal Tissue in a Periodontitis Model Mouse. PLoS One 2016; 11:e0155594. [PMID: 27203240 PMCID: PMC4874667 DOI: 10.1371/journal.pone.0155594] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Accepted: 05/02/2016] [Indexed: 11/18/2022] Open
Abstract
Cigarette smoking is a major lifestyle-related risk factor for periodontal diseases. However, the pathophysiological role of cigarette smoking in periodontal disease has yet to be fully elucidated. Here we report that the systemic administration of cigarette smoke condensate or nicotine, which is the major ingredient of cigarette smoke, augmented alveolar bone loss. Concomitantly, the number of osteoclasts in periodontal tissues increased and the expression of receptor activator of nuclear factor κB ligand was upregulated at the ligated side in mice with periodontitis. Nicotine also attenuated alveolar bone repair after ligature removal. These observations highlight the destruction of periodontal tissue by smoking and the unfavorable clinical course of periodontal disease in patients with a cigarette smoking habit. The present study demonstrates that periodontal disease models are useful for elucidating the pathogenesis of cigarette smoking-related periodontal diseases.
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Affiliation(s)
- Mikiko Kubota
- Division of Oral Biology and Disease Control, Department of Periodontology, Osaka University, Suita, Osaka, Japan
| | - Manabu Yanagita
- Division of Oral Biology and Disease Control, Department of Periodontology, Osaka University, Suita, Osaka, Japan
- * E-mail:
| | - Kenta Mori
- Division of Oral Biology and Disease Control, Department of Periodontology, Osaka University, Suita, Osaka, Japan
| | - Shiori Hasegawa
- Division of Oral Biology and Disease Control, Department of Periodontology, Osaka University, Suita, Osaka, Japan
| | - Motozo Yamashita
- Division of Oral Biology and Disease Control, Department of Periodontology, Osaka University, Suita, Osaka, Japan
| | - Satoru Yamada
- Division of Oral Biology and Disease Control, Department of Periodontology, Osaka University, Suita, Osaka, Japan
| | - Masahiro Kitamura
- Division of Oral Biology and Disease Control, Department of Periodontology, Osaka University, Suita, Osaka, Japan
| | - Shinya Murakami
- Division of Oral Biology and Disease Control, Department of Periodontology, Osaka University, Suita, Osaka, Japan
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19
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Agarwal C, Baron TK, Mehta DS. Hidden truth of circulating neutrophils (polymorphonuclear neutrophil) function in periodontally healthy smoker subjects. J Indian Soc Periodontol 2016; 20:157-60. [PMID: 27143827 PMCID: PMC4847461 DOI: 10.4103/0972-124x.175175] [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] [Indexed: 11/18/2022] Open
Abstract
Context: Tobacco smoking is considered to be a major risk factor associated with periodontal disease. Smoking exerts a major effect on the protective elements of the immune response, resulting in an increase in the extent and severity of periodontal destruction. Aims: The aim of the present study was to assess viability and phagocytic function of neutrophils in circulating blood of the smokers and nonsmokers who are periodontally healthy. Settings and Design: Two hundred subjects in the mean range of 20–30 years of age were included in the study population. It was a retrospective study carried out for 6 months. Materials and Methods: Two hundred subjects were divided into four groups: 50 nonsmokers, 50 light smokers (<5 cigarettes/day), 50 moderate smokers (5–15 cigarettes/day), and 50 heavy smokers (>15 cigarettes/day). Full mouth plaque index, sulcus bleeding index, and probing depths were measured. Percentage viability of circulating neutrophils and average number of phagocytosed Candida albicans were recorded. Statistical Analysis Used: Means and standard deviations were calculated from data obtained within the groups. Comparison between the smokers and nonsmokers was performed by Kruskal–Wallis ANOVA analysis. Comparison between smoker groups was performed using Mann–Whitney–Wilcoxon test. Results: Percentage viability of neutrophils was significantly less in heavy smokers (66.9 ± 4.0), moderate (76.6 ± 4.2), light smokers (83.1 ± 2.5) as compared to nonsmokers (92.3 ± 2.6) (P < 0.01). The ability of neutrophils to phagocytose, i.e., mean particle number was significantly less in light smokers (3.5 ± 0.5), moderate smokers (2.3 ± 0.5), and heavy smokers (1.4 ± 0.5) compared to nonsmokers (4.9 ± 0.7) (P < 0.01) with evidence of dose-response effect. Conclusions: Smoking significantly affects neutrophils viability and phagocytic function in periodontally healthy population.
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Affiliation(s)
- Chitra Agarwal
- Department of Periodontology, Jodhpur Dental College, Jodhpur, Rajasthan, India
| | - Tarun Kumar Baron
- Department of Periodontology, Bapuji Dental College and Hospital, Davangere, Karnataka, India
| | - Dhoom Singh Mehta
- Department of Periodontology, Bapuji Dental College and Hospital, Davangere, Karnataka, India
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20
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Özdemir B, Özmeric N, Elgün S, Barış E. Smoking and gingivitis: focus on inducible nitric oxide synthase, nitric oxide and basic fibroblast growth factor. J Periodontal Res 2015; 51:596-603. [PMID: 26667067 DOI: 10.1111/jre.12338] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/25/2015] [Indexed: 01/21/2023]
Abstract
BACKGROUND Periodontal disease pathogenesis has been associated with smoking. Gingivitis is a mild and reversible form of periodontal disease and it tends to progress to periodontitis only in susceptible individuals. In the present study, we aimed to examine the impact of smoking on host responses in gingivitis and to evaluate and compare the inducible nitric oxide synthase (iNOS) activity in gingival tissue and NO and basic fibroblast growth factor (bFGF) levels in the gingival crevicular fluid of patients with gingivitis and healthy individuals. MATERIAL AND METHODS Forty-one participants were assigned to the gingivitis-smoker (n = 13), gingivitis (n = 13), healthy-smoker (n = 7) and healthy groups (n = 8). Clinical indices were recorded; gingival biopsy and gingival crevicular fluid samples were obtained from papillary regions. iNOS expression was evaluated by immunohistochemical staining. The immunoreactive cells were semiquantitatively assessed. For the quantitative determination of nitrite and nitrate in gingival crevicular fluid, the NO assay kit was used. The amount of bFGF in gingival crevicular fluid was determined by enzyme-linked immunosorbent assay. RESULTS The gingivitis-smoker group demonstrated a stronger iNOS expression than the non-smoker gingivitis group. iNOS expression intensity was lower in the non-smoker healthy group compared to that in healthy-smokers. No significant gingival crevicular fluid NO and bFGF level changes were observed between groups. Among patients with gingivitis, a positive correlation was detected between gingival crevicular fluid NO and bFGF levels (r = 0.806, p = 0.001). CONCLUSIONS Our data suggest that smoking has significant effects on iNOS expression but not on gingival crevicular fluid NO or bFGF levels in healthy and patients with gingivitis. However, our results suggest that bFGF might be involved in the regulation of NO production via iNOS.
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Affiliation(s)
- B Özdemir
- Department of Periodontology, Faculty of Dentistry, Gazi University, Ankara, Turkey
| | - N Özmeric
- Department of Periodontology, Faculty of Dentistry, Gazi University, Ankara, Turkey
| | - S Elgün
- Department of Medical Biochemistry, School of Medicine, Ankara University, Ankara, Turkey
| | - E Barış
- Department of Oral Pathology, Faculty of Dentistry, Gazi University, Ankara, Turkey
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21
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Bunaes DF, Lie SA, Enersen M, Aastrøm AN, Mustafa K, Leknes KN. Site-specific treatment outcome in smokers following non-surgical and surgical periodontal therapy. J Clin Periodontol 2015; 42:933-42. [PMID: 26407817 PMCID: PMC6207927 DOI: 10.1111/jcpe.12462] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/20/2015] [Indexed: 11/26/2022]
Abstract
Aim To evaluate the effect of smoking at patient, tooth, and site level following non‐surgical and surgical periodontal therapy. Material and Methods Eighty chronic periodontitis patients, 40 smokers and 40 non‐smokers, were recruited to this single‐arm clinical trial. Smoking status was validated by measuring serum cotinine levels. Periodontal examinations were performed at baseline (T0) and 3 months following non‐surgical and surgical periodontal therapy (T1). At T0 and T1, subgingival plaque samples were collected from the deepest periodontal pocket in each patient and analysed using checkerboard DNA–DNA hybridization. Probing depth (PD) ≥ 5 mm with bleeding on probing (BoP) was defined as the primary outcome. Unadjusted and adjusted logistic regression analyses, corrected for clustered observations within patients and teeth, were conducted comparing smokers with non‐smokers. Results Clinical parameters significantly improved in both groups (p < 0.001). An association was revealed between smoking and PD ≥ 5 mm with BoP (OR= 1.90, CI: 1.14, 3.15, p = 0.013), especially for plaque‐positive sites (OR= 4.14, CI: 2.16, 7.96, p < 0.001). A significant reduction of red complex microbiota was observed for non‐smokers only (p = 0.010). Conclusion Smokers respond less favourably to non‐surgical and surgical periodontal therapy compared with non‐smokers, in particular at plaque‐positive sites.
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Affiliation(s)
- Dagmar F Bunaes
- Faculty of Medicine and Dentistry, Department of Clinical Dentistry, University of Bergen, Bergen, Norway
| | - Stein Atle Lie
- Faculty of Medicine and Dentistry, Department of Clinical Dentistry, University of Bergen, Bergen, Norway
| | - Morten Enersen
- Faculty of Dentistry, Institute of Oral Biology, University of Oslo, Oslo, Norway
| | - Anne Nordrehaug Aastrøm
- Faculty of Medicine and Dentistry, Department of Clinical Dentistry, University of Bergen, Bergen, Norway
| | - Kamal Mustafa
- Faculty of Medicine and Dentistry, Department of Clinical Dentistry, University of Bergen, Bergen, Norway
| | - Knut N Leknes
- Faculty of Medicine and Dentistry, Department of Clinical Dentistry, University of Bergen, Bergen, Norway
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22
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Johannsen A, Susin C, Gustafsson A. Smoking and inflammation: evidence for a synergistic role in chronic disease. Periodontol 2000 2015; 64:111-26. [PMID: 24320959 DOI: 10.1111/j.1600-0757.2012.00456.x] [Citation(s) in RCA: 131] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Tobacco smoking is the most important preventable risk factor for periodontitis; however, the underlying biological mechanisms responsible for the detrimental effects of smoking on periodontal health remain largely unclear. It is also well established that smoking has a negative impact on several inflammatory diseases, including rheumatoid arthritis, multiple sclerosis and inflammatory bowel disease. The aim of this paper was to review smoking-related changes in local and systemic host responses with a focus on cellular and molecular effects that could explain a hyperinflammatory response leading to periodontal destruction. Biological mechanisms that may be common to periodontal disease and other chronic inflammatory diseases were also explored, together with gene-smoking interactions. An epidemiologic perspective on the burden of smoking on periodontal health and the potential for smoking cessation is also presented. Tobacco smoking seems to induce changes ranging from decreased leukocyte chemotaxis to decreased production of immunoglobulins. Smoking also seems to cause a stronger inflammatory reaction with an increased release of potentially tissue-destructive substances (e.g. reactive oxygen species, collagenase, serine proteases and proinflammatory cytokines). These findings support a hypothesis that periodontitis is a hyperinflammatory condition rather than a hypo-inflammatory condition.
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23
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Renvert S, Quirynen M. Risk indicators for peri-implantitis. A narrative review. Clin Oral Implants Res 2015; 26 Suppl 11:15-44. [DOI: 10.1111/clr.12636] [Citation(s) in RCA: 143] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/12/2015] [Indexed: 12/24/2022]
Affiliation(s)
- Stefan Renvert
- Department of Oral Health Sciences; Kristianstad University; Kristianstad Sweden
- School of Dental Sciences; Trinity College; Dublin Ireland
- Blekinge Institute of Technology; Karlskrona Sweden
| | - Marc Quirynen
- Department of Oral Health Sciences; Katholieke Universiteit Leuven; University Hospitals Leuven; Leuven Belgium
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24
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Nociti FH, Casati MZ, Duarte PM. Current perspective of the impact of smoking on the progression and treatment of periodontitis. Periodontol 2000 2015; 67:187-210. [PMID: 25494601 DOI: 10.1111/prd.12063] [Citation(s) in RCA: 163] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/26/2014] [Indexed: 02/05/2023]
Abstract
This literature review provides an overview of the current scenario regarding the impact of smoking on the progression and treatment of periodontitis; clinical, microbiological and immunological data from studies from our and other groups are presented. In general, preclinical and clinical data are unanimous in demonstrating that smokers present increased susceptibility, greater severity and faster progression of periodontal disease compared with nonsmokers. The evidence further demonstrates that smokers lose more teeth and have a less favorable response to therapy than do nonsmokers. Although it is well established that smoking significantly impacts on the onset, progression and outcome of periodontal disease, the mechanisms involved remain unclear. More importantly, some of the reported deleterious effects of smoking on periodontal tissues have been reported to be reversible upon participation in smoking-cessation programs. Therefore, clinicians should strongly advise smokers to enroll in cessation strategies, even temporarily, in order to improve the overall outcome.
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25
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Effect of smoking on immunity in human chronic periodontitis. Immunobiology 2014; 219:909-15. [DOI: 10.1016/j.imbio.2014.08.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Revised: 08/02/2014] [Accepted: 08/03/2014] [Indexed: 01/19/2023]
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26
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Kamath KP, Mishra S, Anand PS. Smokeless tobacco use as a risk factor for periodontal disease. Front Public Health 2014; 2:195. [PMID: 25368861 PMCID: PMC4202691 DOI: 10.3389/fpubh.2014.00195] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Accepted: 09/30/2014] [Indexed: 12/21/2022] Open
Affiliation(s)
- Kavitha P Kamath
- Department of Oral Pathology, People's Dental Academy , Bhopal , India
| | - Supriya Mishra
- Department of Periodontics, Maitri College of Dentistry and Research Centre , Anjora , India
| | - Pradeep S Anand
- Department of Dentistry, ESIC Medical College Hospital , Parippally , India
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Agnihotri R, Gaur S. Implications of tobacco smoking on the oral health of older adults. Geriatr Gerontol Int 2014; 14:526-40. [PMID: 24697929 DOI: 10.1111/ggi.12285] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/17/2014] [Indexed: 01/28/2023]
Abstract
Cigarette smoking is the foremost health risk issue affecting individuals of all age groups globally. It specifically influences the geriatric population as a result of chronic exposure to toxins. Its role in various systemic and oral diseases including cancer, premalignant lesions, periodontitis, tooth loss, dental caries and implant failures is well established. Smoking causes immuno-inflammatory imbalances resulting in increased oxidative stress in the body. The latter hastens the immunosenescence and inflammaging process, which increases the susceptibility to infections. Thus, implementation of smoking cessation programs among older adults is imperative to prevent the development and progression of oral and systemic diseases. The present review focuses on smoking-associated oral health problems in older adults, and the steps required for cessation of the habit.
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Affiliation(s)
- Rupali Agnihotri
- Department of Periodontology, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, India
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28
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Chang CM, Chia VM, Gunter MJ, Zanetti KA, Ryan BM, Goodman JE, Harris CC, Weissfeld J, Huang WY, Chanock S, Yeager M, Hayes RB, Berndt SI. Innate immunity gene polymorphisms and the risk of colorectal neoplasia. Carcinogenesis 2013; 34:2512-20. [PMID: 23803696 DOI: 10.1093/carcin/bgt228] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Inherited variation in genes that regulate innate immunity and inflammation may contribute to colorectal neoplasia risk. To evaluate this association, we conducted a nested case-control study of 451 colorectal cancer cases, 694 colorectal advanced adenoma cases and 696 controls of European descent within the Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial. A total of 935 tag single-nucleotide polymorphisms (SNPs) in 98 genes were evaluated. Logistic regression was used to estimate odds ratios (ORs) and 95% confidence intervals (CIs) for the association with colorectal neoplasia. Sixteen SNPs were associated with colorectal neoplasia risk at P < 0.01, but after adjustment for multiple testing, only rs2838732 (ITGB2) remained suggestively associated with colorectal neoplasia (OR(per T allele) = 0.68, 95% CI: 0.57-0.83, P = 7.7 × 10(-5), adjusted P = 0.07). ITGB2 codes for the CD18 protein in the integrin beta chain family. The ITGB2 association was stronger for colorectal cancer (OR(per T allele) = 0.41, 95% CI: 0.30-0.55, P = 2.4 × 10(-) (9)) than for adenoma (OR(per T allele) = 0.84, 95%CI: 0.69-1.03, P = 0.08), but it did not replicate in the validation study. The ITGB2 rs2838732 association was significantly modified by smoking status (P value for interaction = 0.003). Among never and former smokers, it was inversely associated with colorectal neoplasia (OR(per T allele) = 0.5, 95% CI: 0.37-0.69 and OR(per T allele) = 0.72, 95% CI: 0.54-0.95, respectively), but no association was seen among current smokers. Other notable findings were observed for SNPs in BPI/LBP and MYD88. Although the results need to be replicated, our findings suggest that genetic variation in inflammation-related genes may be related to the risk of colorectal neoplasia.
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Affiliation(s)
- Cindy M Chang
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD 20892, USA
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Blidberg K, Palmberg L, James A, Billing B, Henriksson E, Lantz AS, Larsson K, Dahlén B. Adhesion molecules in subjects with COPD and healthy non-smokers: a cross sectional parallel group study. Respir Res 2013; 14:47. [PMID: 23635004 PMCID: PMC3669051 DOI: 10.1186/1465-9921-14-47] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2012] [Accepted: 04/24/2013] [Indexed: 01/13/2023] Open
Abstract
Background The aim of the study was to investigate how the expression of adhesion molecules changes as neutrophils migrate from the circulation to the lung and if these changes differ between non-smoking subjects and smokers with and without COPD. Methods Non-smoking healthy subjects (n=22), smokers without (n=21) and with COPD (n=18) were included. Neutrophils from peripheral blood, sputum and bronchial biopsies were analysed for cell surface expression of adhesion molecules (CD11b, CD62L, CD162). Serum, sputum supernatant and BAL-fluid were analysed for soluble adhesion molecules (ICAM-1, -3, E-selectin, P-selectin, VCAM-1, PECAM-1). Results Expression of CD11b was increased on circulating neutrophils from smokers with COPD. It was also increased on sputum neutrophils in both smokers groups, but not in non-smokers, as compared to circulating neutrophils. Serum ICAM-1 was higher in the COPD group compared to the other two groups (p<0.05) and PECAM-1 was lower in smokers without COPD than in non-smoking controls and the COPD group (p<0.05). In BAL-fluid ICAM-1 was lower in the COPD group than in the other groups (p<0.05). Conclusions Thus, our data strongly support the involvement of a systemic component in COPD and demonstrate that in smokers neutrophils are activated to a greater extent at the point of transition from the circulation into the lungs than in non-smokers.
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Affiliation(s)
- Kristin Blidberg
- Lung and Allergy Research, National Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
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Tanaka H, Tanabe N, Kawato T, Nakai K, Kariya T, Matsumoto S, Zhao N, Motohashi M, Maeno M. Nicotine affects bone resorption and suppresses the expression of cathepsin K, MMP-9 and vacuolar-type H(+)-ATPase d2 and actin organization in osteoclasts. PLoS One 2013; 8:e59402. [PMID: 23555029 PMCID: PMC3598738 DOI: 10.1371/journal.pone.0059402] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2012] [Accepted: 02/16/2013] [Indexed: 11/18/2022] Open
Abstract
Tobacco smoking is an important risk factor for the development of several cancers, osteoporosis, and inflammatory diseases such as periodontitis. Nicotine is one of the major components of tobacco. In previous study, we showed that nicotine inhibits mineralized nodule formation by osteoblasts, and the culture medium from osteoblasts containing nicotine and lipopolysaccharide increases osteoclast differentiation. However, the direct effect of nicotine on the differentiation and function of osteoclasts is poorly understood. Thus, we examined the direct effects of nicotine on the expression of nicotine receptors and bone resorption-related enzymes, mineral resorption, actin organization, and bone resorption using RAW264.7 cells and bone marrow cells as osteoclast precursors. Cells were cultured with 10(-5), 10(-4), or 10(-3) M nicotine and/or 50 µM α-bungarotoxin (btx), an 7 nicotine receptor antagonist, in differentiation medium containing the soluble RANKL for up 7 days. 1-5, 7, 9, and 10 nicotine receptors were expressed on RAW264.7 cells. The expression of 7 nicotine receptor was increased by the addition of nicotine. Nicotine suppressed the number of tartrate-resistant acid phosphatase positive multinuclear osteoclasts with large nuclei(≥10 nuclei), and decreased the planar area of each cell. Nicotine decreased expression of cathepsin K, MMP-9, and V-ATPase d2. Btx inhibited nicotine effects. Nicotine increased CA II expression although decreased the expression of V-ATPase d2 and the distribution of F-actin. Nicotine suppressed the planar area of resorption pit by osteoclasts, but did not affect mineral resorption. These results suggest that nicotine increased the number of osteoclasts with small nuclei, but suppressed the number of osteoclasts with large nuclei. Moreover, nicotine reduced the planar area of resorption pit by suppressing the number of osteoclasts with large nuclei, V-ATPase d2, cathepsin K and MMP-9 expression and actin organization.
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Affiliation(s)
- Hideki Tanaka
- Department of Oral Health Sciences, Nihon University School of Dentistry, Tokyo, Japan
| | - Natsuko Tanabe
- Department of Biochemistry, Nihon University School of Dentistry, Tokyo, Japan
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry, Tokyo, Japan
| | - Takayuki Kawato
- Department of Oral Health Sciences, Nihon University School of Dentistry, Tokyo, Japan
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry, Tokyo, Japan
| | - Kumiko Nakai
- Nihon University Graduate School of Dentistry, Tokyo, Japan
| | - Taro Kariya
- Nihon University Graduate School of Dentistry, Tokyo, Japan
| | | | - Ning Zhao
- Department of Biochemistry, Nihon University School of Dentistry, Tokyo, Japan
- Department of Endodontics, School of Dentistry, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Masafumi Motohashi
- Department of Oral Health Sciences, Nihon University School of Dentistry, Tokyo, Japan
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry, Tokyo, Japan
| | - Masao Maeno
- Department of Oral Health Sciences, Nihon University School of Dentistry, Tokyo, Japan
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry, Tokyo, Japan
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Jain K, Das SJ, Jain M. Comparison of red blood cell parameters in smokers and nonsmokers with chronic periodontitis. ACTA ACUST UNITED AC 2012; 4:84-8. [PMID: 23073970 DOI: 10.1111/jicd.12003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2012] [Accepted: 07/23/2012] [Indexed: 11/27/2022]
Abstract
OBJECTIVE Recent studies suggest that chronic periodontitis can lead to a decrease in levels of red blood cell (RBC) and hemoglobin concentration. Smoking is an established risk factor for periodontitis. The present study was carried out to evaluate the effect of cigarette smoking on the various parameters of RBC in the subjects with chronic periodontitis. METHODS A total of 77 males with chronic periodontitis were divided into 38 nonsmokers (group I) and 39 current smokers (group II). Clinical parameters recorded were probing pocket depth and clinical attachment level. Laboratory blood investigations included hemoglobin concentration, RBC count, packed cell volume, mean corpuscular volume, mean corpuscular hemoglobin, and mean corpuscular hemoglobin concentration and erythrocyte sedimentation rate. RESULTS In group II probing pocket depth and clinical attachment level and erythrocyte sedimentation rate were significantly higher than in group I. The RBC count, hemoglobin concentration, and packed cell volume were significantly lower in group II compared to group I. While the mean corpuscular volume, mean corpuscular hemoglobin and mean corpuscular hemoglobin concentration were comparable in both the groups. CONCLUSION Smoking may have an effect on levels of various RBC parameters in patients with chronic periodontitis.
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Affiliation(s)
- Kapil Jain
- Department of Periodontics, Peoples College of Dental Sciences and Research Centre, Bhopal, India.
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Yanagita M, Mori K, Kobayashi R, Kojima Y, Kubota M, Miki K, Yamada S, Kitamura M, Murakami S. Immunomodulation of dendritic cells differentiated in the presence of nicotine with lipopolysaccharide from Porphyromonas gingivalis. Eur J Oral Sci 2012; 120:408-14. [PMID: 22984998 DOI: 10.1111/j.1600-0722.2012.00992.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/01/2012] [Indexed: 12/21/2022]
Abstract
Tobacco smoking is a significant risk factor for periodontal diseases. Nicotine, one of the most studied constituents in cigarette smoke, is thought to modify immune responses. Dendritic cells (DCs), which are key mediators between innate and adaptive immunity, stimulate naive T cells to differentiate to effector T-cell subsets that may be actively involved in the immunopathogenesis of periodontal diseases. In this study, we evaluated the effects of nicotine and lipopolysaccharide (LPS) from Porphyromonas gingivalis, alone and in combination, on the functions of human monocyte-derived DCs to elucidate the mechanism of tissue destruction of smoking-associated periodontal diseases. P. gingivalis LPS-stimulated DCs differentiated with nicotine (NiDCs) induced lower T-cell proliferation and human leukocyte antigen (HLA)-DR expression, but elevated expression of programmed cell death ligand 1. Additionally, NiDCs impaired interferon-γ production but maintained interleukin (IL)-5 and IL-10 production in co-cultured T cells. Furthermore, NiDCs produced lower levels of proinflammatory cytokines compared with DCs differentiated in the absence of nicotine. Interestingly, NiDCs preferentially produced the T helper 2 (Th2)-type chemokines macrophage chemotactic protein-1 and macrophage-derived chemokine. These results suggest that the presence of nicotine during differentiation of DCs modulates the immunoregulatory functions of P. gingivalis LPS-stimulated DCs.
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Affiliation(s)
- Manabu Yanagita
- Department of Periodontology, Division of Oral Biology and Disease Control, Osaka University Graduate School of Dentistry, Osaka, Japan
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Matthews JB, Chen FM, Milward MR, Ling MR, Chapple ILC. Neutrophil superoxide production in the presence of cigarette smoke extract, nicotine and cotinine. J Clin Periodontol 2012; 39:626-34. [PMID: 22607095 DOI: 10.1111/j.1600-051x.2012.01894.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/08/2012] [Indexed: 01/08/2023]
Abstract
AIM To determine the effect of cigarette smoke extract, nicotine and cotinine on lucigenin-detectable neutrophil superoxide production. MATERIALS & METHODS Neutrophils from periodontally healthy individuals were treated with aqueous smoke extract, nicotine and cotinine, prior to stimulation or at the same time as stimulation with Fusobacterium nucleatum, IgG-opsonized Staphylococcus aureus and Escherichia coli Lipopolysaccharide (LPS). Superoxide generation was determined by lucigenin chemiluminescence. RESULTS Smoke extract induced superoxide release from neutrophils (p <0.0001) in a dose-dependent manner. By contrast, superoxide generation by neutrophils in response to pathologically relevant stimuli was inhibited by pre-treatment with smoke extract (p <0.01). This inhibition did not require the continued presence of the extract. A similar reduction in stimulated superoxide production by smoke extract was detected when neutrophils were simultaneously exposed to the extract and stimuli. Nicotine and cotinine (0-10 μg/ml) had no effect on superoxide release from unstimulated or stimulated neutrophils. CONCLUSIONS Stable water-soluble components of cigarette smoke directly induce superoxide generation by otherwise unstimulated neutrophils, but reduce superoxide responses of cells to pathologically relevant stimuli. These data suggest potential neutrophil-mediated mechanisms by which smoking may initiate and maintain oxidative stress at periodontally healthy sites and participate in disease progression, by reducing innate immune responses.
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Affiliation(s)
- John B Matthews
- Periodontal Research Group and MRC Centre for Immune Regulation, College of Medical and Dental Sciences, The University of Birmingham, Birmingham, UK.
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Cogo K, de Andrade A, Labate CA, Bergamaschi CC, Berto LA, Franco GCN, Gonçalves RB, Groppo FC. Proteomic analysis ofPorphyromonas gingivalisexposed to nicotine and cotinine. J Periodontal Res 2012; 47:766-75. [DOI: 10.1111/j.1600-0765.2012.01494.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Desjardins J, Grenier D. Neutralizing effect of green tea epigallocatechin-3-gallate on nicotine-induced toxicity and chemokine (C-C motif) ligand 5 secretion in human oral epithelial cells and fibroblasts. ACTA ACUST UNITED AC 2011; 3:189-97. [DOI: 10.1111/j.2041-1626.2011.00103.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Zappacosta B, Martorana GE, Papini S, Gervasoni J, Iavarone F, Fasanella S, Giardina B, De Sole P, Persichilli S. Morpho-functional modifications of human neutrophils induced by aqueous cigarette smoke extract: comparison with chemiluminescence activity. LUMINESCENCE 2011; 26:331-5. [PMID: 20812198 DOI: 10.1002/bio.1233] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2010] [Revised: 05/19/2010] [Accepted: 06/13/2010] [Indexed: 11/09/2022]
Abstract
Cigarette smoking plays an important role as a cause of morbidity and mortality in humans, involving respiratory, cardiovascular, digestive and reproductive systems. Tobacco smoke contains a large number of molecules, some of which are proven carcinogens. Although not fully understood, polymorphonuclear leukocytes seem to play a crucial role in the mechanisms by which tobacco smoke compounds are implicated in smoke-related diseases. In this paper the effects of an aqueous cigarette smoke extract on the expression of adhesion molecules of polymorphonuclear leukocytes together with the changes in the cell morphology have been related to the chemiluminescence activity. The results obtained show that polymorphonuclear leukocytes treated with aqueous cigarette smoke extract are significantly impaired, as suggested by the changes of chemiluminescence activity, of membrane receptors (CD18, CD62), myeloperoxidase expression and of cell morphology. Altogether the present data indicate that treated polymorphonuclear leukocytes are ineffectively activated and therefore unable to phagocytize zymosan particles.
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Affiliation(s)
- B Zappacosta
- Centro di Ricerca e Formazione ad Alta Tecnologia nelle Scienze Biomediche Giovanni Paolo II, Università Cattolica del Sacro Cuore, Campobasso, Italy.
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Matthews JB, Chen FM, Milward MR, Wright HJ, Carter K, McDonagh A, Chapple ILC. Effect of nicotine, cotinine and cigarette smoke extract on the neutrophil respiratory burst. J Clin Periodontol 2011; 38:208-18. [PMID: 21214612 DOI: 10.1111/j.1600-051x.2010.01676.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
AIMS To determine the effect of nicotine, cotinine and cigarette smoke extract (CSE) on the neutrophil respiratory burst and their effect on activation of the nuclear factor-κB (NFκB) pathway in oral epithelium. MATERIALS AND METHODS Neutrophils from periodontally healthy individuals were treated with nicotine, cotinine and CSE before stimulation with Fusobacterium nucleatum, IgG-opsonized Staphylococcus aureus and Escherichia coli lipopolysaccharide. Total and extracellular reactive oxygen species (ROS) generation was determined by luminol/isoluminol chemiluminescence. Activation of NFκB in oral epithelial cells was determined by immunocytochemistry. RESULTS Smoke extract alone caused increased neutrophil extracellular isoluminol-dependent chemiluminescence, not detectable with luminol. However, pre-treatment with smoke extract reduced both total and extracellular ROS generation in response to all stimuli. Nicotine and cotinine had no effect on the neutrophil respiratory burst. Smoke extract, nicotine and cotinine did not induce oral epithelial cell NFκB activation. CONCLUSIONS These data demonstrate that smoke extract reduces the ability of neutrophils to generate ROS after stimulation with F. nucleatum and IgG-opsonized S. aureus but, at high concentrations, stimulates extracellular ROS generation. During periodontitis, cigarette smoking may differentially affect neutrophil function, generally preventing elimination of periodontal pathogens but, in heavy smokers, also stimulating ROS release and oxidative stress mediated tissue damage.
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Affiliation(s)
- John B Matthews
- School of Dentistry, Periodontal Research Group, College of Medical and Dental Sciences, The University of Birmingham, Birmingham, UK.
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Radvar M, Darby I, Polster A, Arashi M, Moeintaghavi A, Sohrabi K. Pattern of cigarette smoking effect on periodontal pocketing and attachment loss: a retrospective study. Int J Dent Hyg 2011; 9:291-5. [PMID: 21356029 DOI: 10.1111/j.1601-5037.2010.00496.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
AIM The aim of the present retrospective study was to evaluate the local effects of smoking on periodontium and to assess the patterns of periodontitis (pocket depths and attachment loss) in smokers and non-smokers. METHODS In this study, records of 126 non-smokers and 51 smokers (≥ 5 cigarettes/day) periodontitis patients were evaluated and probing pocket depth (PPD), clinical attachment level (CAL) and bleeding on probing (BOP) data were collected from clinical patients records. Patients' data were subject to two sample t-tests to assess the difference between the groups and to analysis of variance using the generalized linear model to seek associations between smoking and site positions, age and clinical parameters. RESULTS The difference between CAL of smokers and non-smokers was greatest at the anterior maxillary palatal sites (P = 0.002) and reached 1 mm. When the effect of different site positions as well as smoking as a between subject variable and age as a co-variate on the attachment level measurements were assessed using analysis of variance, significant effects for smoking, jaw (lower versus upper) and anterior-posterior position as well as age were detected. No significant interactions were found between smoking and any of the three position variables. CONCLUSION Lack of interaction between smoking and any of the three position variables indicates that the destructive effects of smoking on the periodontal tissues maybe mainly from systemic side-effects and almost independent of the site position within the mouth, although some additional local effects may be present in areas such as anterior palatal sites.
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Affiliation(s)
- M Radvar
- Department of Periodontics, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran.
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Gonçalves RB, Coletta RD, Silvério KG, Benevides L, Casati MZ, da Silva JS, Nociti FH. Impact of smoking on inflammation: overview of molecular mechanisms. Inflamm Res 2011; 60:409-24. [PMID: 21298317 DOI: 10.1007/s00011-011-0308-7] [Citation(s) in RCA: 207] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2009] [Revised: 11/25/2010] [Accepted: 01/03/2011] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Inflammation is a critical component of normal tissue repair, as well as being fundamental to the body's defense against infection. Environmental factors, such as smoking, have been reported to modify the host response and hence modify inflammation progression, severity and outcome. Therefore, a comprehensive understanding of the molecular mechanisms by which smoking affects inflammation is vital for preventive and therapeutic strategies on a clinical level. AIM The purpose of the present article is to review the potential biological mechanisms by which smoking affects inflammation, emphasizing recent developments. RESULTS Smoking is reported to effect a number of biological mediators of inflammation through its effect on immune-inflammatory cells, leading to an immunosuppressant state. Recent evidence strongly suggests that the molecular mechanisms behind the modulation of inflammation by smoking mainly involve the nuclear factor-kappa B (NF-kB) family, through the activation of both an inhibitor of IkB kinase (IKK)-dependent and -independent pathway. In addition to NF-kB activation, a number of transcriptional factors including GATA, PAX5 and Smad 3/4, have also been implicated. CONCLUSION Multiple mechanisms may be responsible for the association of smoking and inflammation, and the identification of potential therapeutic targets should guide future research.
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Affiliation(s)
- R B Gonçalves
- Department of Periodontology and Research Group in Oral Ecology, Faculty of Dentistry, Laval University, Quebec City, Canada
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Smoking and inflammatory bowel diseases: what in smoking alters the course? Int J Colorectal Dis 2010; 25:671-80. [PMID: 20333390 DOI: 10.1007/s00384-010-0925-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/25/2010] [Indexed: 02/08/2023]
Abstract
Epidemiological studies provide strong evidence to confirm the correlation between cigarette smoking and inflammatory bowel diseases. This relationship is proved to be positive in Crohn's disease and negative in ulcerative colitis. What in smoking alters the course of inflammatory bowel diseases is still a mystery. Different smoking parts have different and may be opponent actions. Smoking has dual effects. Some of its activities are, sometimes, constructive as they are working in an antagonistic manner to the mechanism of the disease, such as reducing rectal blood flow and accordingly less recruitments of inflammatory mediators to the area of inflammation, enhancement of mucosal production, and consequently, strengthening the membranes, and inhibition of pro-inflammatory mediators' liberation and activity in subjects with ulcerative colitis. Yet the outcome of smoking actions may be affected by the existence of other cofactors. Odd factors, such as shortage of zinc in subjects with Crohn's disease, may facilitate liberation of pro-inflammatory mediators and their activities and accordingly exacerbates symptoms.
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Malhotra R, Kapoor A, Grover V, Kaushal S. Nicotine and periodontal tissues. J Indian Soc Periodontol 2010; 14:72-9. [PMID: 20922084 PMCID: PMC2933534 DOI: 10.4103/0972-124x.65442] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 01/24/2009] [Accepted: 12/04/2009] [Indexed: 11/17/2022] Open
Abstract
Tobacco use has been recognized to be a significant risk factor for the development and progression of periodontal disease. Its use is associated with increased pocket depths, loss of periodontal attachment, alveolar bone and a higher rate of tooth loss. Nicotine, a major component and most pharmacologically active agent in tobacco is likely to be a significant contributing factor for the exacerbation of periodontal diseases. Available literature suggests that nicotine affects gingival blood flow, cytokine production, neutrophil and other immune cell function; connective tissue turnover, which can be the possible mechanisms responsible for overall effects of tobacco on periodontal tissues. Inclusion of tobacco cessation as a part of periodontal therapy encourages dental professionals to become more active in tobacco cessation counseling. This will have far reaching positive effects on our patients' oral and general health.
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Affiliation(s)
- Ranjan Malhotra
- Department of Periodontology and Oral Implantology, National Dental College & Hospital, Derabassi, Punjab, India
| | - Anoop Kapoor
- Department of Periodontology and Oral Implantology, National Dental College & Hospital, Derabassi, Punjab, India
| | - Vishakha Grover
- Department of Periodontology and Oral Implantology, National Dental College & Hospital, Derabassi, Punjab, India
| | - Sumit Kaushal
- Department of Periodontology and Oral Implantology, National Dental College & Hospital, Derabassi, Punjab, India
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Katono T, Kawato T, Tanabe N, Tanaka H, Suzuki N, Kitami S, Morita T, Motohashi M, Maeno M. Effects of nicotine and lipopolysaccharide on the expression of matrix metalloproteinases, plasminogen activators, and their inhibitors in human osteoblasts. Arch Oral Biol 2009; 54:146-55. [DOI: 10.1016/j.archoralbio.2008.09.017] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2008] [Revised: 09/10/2008] [Accepted: 09/28/2008] [Indexed: 12/11/2022]
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Fortunati E, Kazemier KM, Grutters JC, Koenderman L, Van den Bosch VJMM. Human neutrophils switch to an activated phenotype after homing to the lung irrespective of inflammatory disease. Clin Exp Immunol 2008; 155:559-66. [PMID: 19077082 DOI: 10.1111/j.1365-2249.2008.03791.x] [Citation(s) in RCA: 118] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Systemic inflammation can be investigated by changes in expression profiles of neutrophil receptors. Application of this technology for analysis of neutrophil phenotypes in diseased tissues is hampered by the absence of information regarding the modulation of neutrophil phenotypes after extravasation to tissues under non-inflammatory conditions. To fill this gap we measured the expression of neutrophil receptors in bronchoalveolar lavage fluid (BALF) and in the peripheral blood of healthy volunteers, which included both smokers and non-smokers. Blood and BALF neutrophils were identified by CD16(bright)/CD45(dim) cells, and triple-stained with antibodies directed against integrins, chemokine- and Fc gamma-receptors. BALF neutrophils of healthy volunteers showed an activated phenotype characterized by Mac-1 (CD11b)(bright), L-selectin (CD62L)(dim), intercellular adhesion molecule 1 (ICAM-1) (CD54)(bright), Fc gamma RII (CD32)(bright), C5a receptor (CD88)(bright) and CD66b(bright). A similar phenotype was observed for BALF neutrophils of patients affected by sarcoidosis. Furthermore, our results demonstrate a modulated expression of C5a receptor (CD88) and ICAM-1 (CD54) in neutrophils of sarcoidosis patients. In conclusion, our data indicate that neutrophils found in the lung exhibit an activated phenotype under both homeostatic and inflammatory conditions.
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Affiliation(s)
- E Fortunati
- Department of Pulmonary Diseases, University Medical Center Utrecht, Utrecht, The Netherlands
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Pereira ML, Carvalho JC, Peres F, Gutierres M, Fernandes MH. Behaviour of human osteoblastic cells cultured on plasma-sprayed titanium implants in the presence of nicotine. Clin Oral Implants Res 2008; 19:582-9. [DOI: 10.1111/j.1600-0501.2007.01515.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Affiliation(s)
- Georgia K Johnson
- Department of Periodontics, University of Texas Health Sciences Center at San Antonio, USA
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Affiliation(s)
- Mark I Ryder
- Division of Periodontology, Department of Orofacial Sciences, School of Dentistry, University of California, San Francisco, CA, USA
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47
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The effects of cigarette smoking on circulating maternal leukocytes during pregnancy. Clin Immunol 2007; 122:214-9. [DOI: 10.1016/j.clim.2006.10.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2006] [Revised: 10/17/2006] [Accepted: 10/18/2006] [Indexed: 11/19/2022]
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Erdemir EO, Bergstrom J. Relationship between smoking and folic acid, vitamin B12 and some haematological variables in patients with chronic periodontal disease. J Clin Periodontol 2007; 33:878-84. [PMID: 17092240 DOI: 10.1111/j.1600-051x.2006.01003.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIM The purpose of this study was to investigate the relationship between cigarette smoking and the serum levels of folic acid, vitamin B(12) and some haematological variables in patients with periodontal disease. PATIENTS AND METHODS The study base consisted of 88 volunteer patients with periodontal disease, including 45 current smokers in the age range 31-68 years and 43 non-smokers in the range 32-66 years. The clinical parameters included plaque index (PI), gingival index (GI), bleeding on probing (BOP), probing depth (PD) and clinical attachment loss (CAL). Folic acid, vitamin B(12) and haematological variables were determined from peripheral blood samples. RESULTS PI, PD and CAL means were significantly higher in smokers than non-smokers (p<0.05). The serum folic acid concentration of smokers was lower than that of non-smokers (p<0.05), whereas the white blood cell count was higher in smokers than in non-smokers (p<0.05). CONCLUSION The results of this study suggest that among patients with periodontal disease the serum folic acid concentration is lower in smokers compared with non-smokers.
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Affiliation(s)
- Ebru Olgun Erdemir
- Periodontology Department, Faculty of Dentistry, Kirikkale University, Kirikkale, Turkey.
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Güntsch A, Erler M, Preshaw PM, Sigusch BW, Klinger G, Glockmann E. Effect of smoking on crevicular polymorphonuclear neutrophil function in periodontally healthy subjects. J Periodontal Res 2006; 41:184-8. [PMID: 16677286 DOI: 10.1111/j.1600-0765.2005.00852.x] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Polymorphonuclear neutrophils (PMNs) represent the first line of cellular defences in the gingival crevice. Smoking, as probably the most important environmental risk factor for periodontitis, has been shown to adversely affect many neutrophil functions. OBJECTIVE The aim of this study was to investigate the influence of smoking on PMN numbers and function in periodontally healthy smokers and non-smokers. METHODS Sixty subjects were recruited: 15 non-smokers, 15 light smokers (< 5 cigarettes/day), 15 moderate smokers (5-15 cigarettes/day) and 15 heavy smokers (> 15 cigarettes/day). Full mouth plaque index, sulcus bleeding index and probing depths were measured. Crevicular washings were obtained from all subjects to harvest PMNs. Numbers of PMNs, percentage viability, and percentage phagocytosis of opsonized Candida albicans were recorded. RESULTS Mean plaque scores and probing depths were (non-significantly) increased in smokers compared to non-smokers. Mean sulcus bleeding index scores were significantly lower in moderate (0.10 +/- 0.10) and heavy (0.07 +/- 0.11) smokers compared to non-smokers (0.14 +/- 0.13) (p < 0.05). Compared to non-smokers (1.73 +/- 1.08 x 10(6)/ml), the numbers of PMNs were higher in light (1.98 +/- 0.96 x 10(6)/ml) and moderate (2.03 +/- 1.43 x 10(6)/ml) smokers and were lower in heavy smokers (1.68 +/- 1.18 x 10(6)/ml), though there were no significant differences in PMN counts between the groups (p > 0.05). Percentage viability of PMNs was significantly lower in light (77.6 +/- 7.8%), moderate (76.5 +/- 8.2%) and heavy (75.0 +/- 6.5%) smokers compared to non-smokers (85.5 +/- 6.0%) (p < 0.05). Furthermore, the ability of PMNs to phagocytose was significantly impaired in light (58.3 +/- 4.1%), moderate (51.9 +/- 2.33%) and heavy (40.9 +/- 3.5%) smokers compared to non-smokers (74.1 +/- 4.1%) (p < 0.05), with evidence of a dose-response effect. CONCLUSION Cigarette smoking adversely affected PMN viability and function in this periodontally healthy population.
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Affiliation(s)
- A Güntsch
- Department of Restorative Dentistry, School of Dental Sciences, Friedrich-Schiller-University Jena, Germany.
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