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Correlation of ABO Blood Group Phenotype and Rhesus Factor with Periodontal Disease: An Observational Study.

ABSTRACT: The knowledge of the ABO blood group phenotype of the patients and their correlation with the periodontal disease maybe important in the development of early treatment strategies, and it would be helpful to target non-responding areas to periodontal therapy of the susceptible individuals.The present study was conducted to determine whether there was any correlation between periodontal diseases and ABO blood groups and Rh factor.This study was carried out on 537 subjects attending Faculty of Dental Sciences OPD in BHU. Subjects were divided into three groups: group I (healthy subjects), group II (subjects with gingivitis), and group III (subjects with periodontitis) based on periodontal examination (Gingival index, Bleeding Index, Probing pocket depth and clinical attachment level). ABO Blood grouping were done and correlated with the periodontal status of study subjects. Statistical Analysis: Data was analyzed using the statistical software namely Statistical Package for the Social Sciences (SPSS, Version 16, IBM Analytics) and Systat 8.0.In this study, there was a greater prevalence of gingivitis in blood group O and periodontitis in blood group B. The blood group AB showed the least prevalence of periodontal diseases. Similarly gingivitis and peridontitis were significantly higher among Rhesus positive groups when compared with Rhesus negative groups.Considering the results of this study, it can be concluded that ABO blood groups and Rh factor could be a risk factor for the development of periodontal disease.

SUBMITTER: Gautam A

PROVIDER: S-EPMC5551331 | biostudies-other | 2017 Apr-Jun

REPOSITORIES: biostudies-other

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Project description:Introduction: Coronavirus disease 2019 (COVID-19) disease severity differs widely due to numerous factors including ABO gene-derived susceptibility or resistance. The objective of this study was to investigate the association of the ABO blood group and genetic variations of the ABO gene with COVID-19 severity in a heterogeneous hospital population sample from the United Arab Emirates, with the use of an epidemiological and candidate gene approach from a genome-wide association study (GWAS). Methods: In this cross-sectional study, a total of 646 participants who tested positive for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) were recruited from multiple hospitals and population-based (quarantine camps) recruitment sites from March 2020 to February 2021. The participants were divided into two groups based on the severity of COVID-19: noncritical (n = 453) and critical [intensive care unit (ICU) patients] (n = 193), as per the COVID-19 Reporting and Data System (CO-RADS) classification. The multivariate logistic regression analysis demonstrated the association of ABO blood type as well as circulating anti-A antibodies and anti-B antibodies as well as A and B antigens, in association with critical COVID-19 hospital presentation. A candidate gene analysis approach was conducted from a GWAS where we examined 240 single nucleotide polymorphisms (SNPs) (position in chr9: 136125788-136150617) in the ABO gene, in association with critical COVID-19 hospital presentation. Results: Patients with blood group O [odds ratio (OR): 0.51 (0.33, 0.79); p = 0.003] were less likely to develop critical COVID-19 symptoms. Eight alleles have been identified to be associated with a protective effect of blood group O in ABO 3'untranslated region (UTR): rs199969472 (p = 0.0052), rs34266669 (p = 0.0052), rs76700116 (p = 0.0052), rs7849280 (p = 0.0052), rs34039247 (p = 0.0104), rs10901251 (p = 0.0165), rs9411475 (p = 0.0377), and rs13291798 (p = 0.0377). Conclusion: Our findings suggest that there are novel allelic variants that link genetic variants of the ABO gene and ABO blood groups contributing to the reduced risk of critical COVID-19 disease. This study is the first study to combine genetic and serological evidence of the involvement of the ABO blood groups and the ABO gene allelic associations with COVID-19 severity within the Middle Eastern population.

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Correlation of ABO Blood Group Phenotype and Rhesus Factor with Periodontal Disease: An Observational Study.

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