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Objectives

Macrophage erythroblast attacher (MAEA) is a membrane protein that regulates the development of mature macrophages by mediating attachment with erythroblasts. A polymorphism rs6815464 (C/G) in MAEA gene was reported to be associated with type II diabetes. Along with diabetes, osteoporosis shows an increased prevalence in postmenopausal females, and both diseases have been reported to be associated with periodontitis. Therefore, we explored the relevance of the MAEA polymorphism to periodontitis, bone mineral density (BMD) and haemoglobin A1c (HbA1c).

Design

This was a cross-sectional study with the final sample comprised of 344 postmenopausal Japanese females. Probing pocket depth (PPD) and clinical attachment level (CAL) were measured. Genotype was determined by TaqMan assay. Blood biochemical parameters and BMD of the lumbar spine were evaluated.

Results

No differences were found in age, body mass index, HbA1c, BMD, number of teeth, bone metabolism parameters between the genotypes. Mean CAL and percentage of sites with PPD or CAL ≥ 5 mm were higher in the G-allele carriers than in the non-carriers. Multiple logistic regression analyses revealed that G-allele carriage was associated with severe periodontitis (odds ratio = 3.73, 95% CI = 1.36-10.19).

Conclusion

Our results suggested that the MAEA gene polymorphism was independently associated with severe periodontitis."xsd:string
http://purl.uniprot.org/citations/31005685http://purl.org/dc/terms/identifier"doi:10.1016/j.archoralbio.2019.04.008"xsd:string
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/author"Nakamura K."xsd:string
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/author"Che Y."xsd:string
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/author"Iwasaki M."xsd:string
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/author"Miyazaki H."xsd:string
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/author"Yoshihara A."xsd:string
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/author"Sugita N."xsd:string
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/author"Yoshie H."xsd:string
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/date"2019"xsd:gYear
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/name"Arch Oral Biol"xsd:string
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/pages"128-134"xsd:string
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/title"MAEA rs6815464 polymorphism and periodontitis in postmenopausal Japanese females: A cross-sectional study."xsd:string
http://purl.uniprot.org/citations/31005685http://purl.uniprot.org/core/volume"102"xsd:string
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