Abstract
Objectives
Human β-defensin (hBD)-1 is an important gatekeeper of the gingiva against constant bacterial challenge, and glucose levels are involved in its optimal expression. The aims of the study were to investigate hBD-1 levels in gingival crevicular fluid (GCF) and to compare these levels between type 2 diabetics with or without periodontitis and healthy individuals.
Materials and methods
Altogether, 81 subjects were included in the study: 21 subjects with type 2 diabetes mellitus (T2DM) suffering from generalized periodontitis (T2DM + GP), 18 systemically healthy generalized periodontitis patients (GP), 18 periodontally healthy T2DM subjects (T2DM + H), and 24 systemically and periodontally healthy subjects (control). Plaque index (PI), gingival index (GI), probing pocket depth (PPD), and clinical attachment level (CAL) were recorded, and GCF samples were collected. hBD-1 levels in GCF were measured using ELISA.
Results
hBD-1 levels were significantly reduced in the T2DM + GP and GP groups. Although PI and GI scores were similar in both periodontally healthy groups, hBD-1 levels were lower in the T2DM + H group. In the whole population, hBD-1 levels correlated negatively with all periodontal parameters.
Conclusions
Both diabetes and periodontitis affect hBD-1 levels in GCF.
Clinical relevance
The altered levels of hBD-1 in GCF of diabetics might be associated with the susceptibility of diabetics to periodontitis.
Notes
PCP-15, HuFriedy, Chicago, IL, USA
Orthopantomograph OP 100, Sirona Orthophos XG5, NY, USA
Periopaper, Interstate Drug Exchange, Amityville, NY, USA
Periotron 8000, Oraflow Inc., Plainview, NY, USA
EiAAb/Uscn, Wuhan, China
Abbreviations
- hBD:
-
Human beta-defensins
- DM:
-
Diabetes mellitus
- T1DM:
-
Type 1 diabetes mellitus
- T2DM:
-
Type 2 diabetes mellitus
- GCF:
-
Gingival crevicular fluid
- GP:
-
Generalized periodontitis
- PI:
-
Plaque index
- GI:
-
Gingival index
- PPD:
-
Probing pocket depth
- CAL:
-
Clinical attachment level
- HbA1c:
-
Glycated hemoglobin A1c
- p38MAPK:
-
Bleeding time, P38 mitogen-activated protein kinases
- AGE:
-
Advanced glycation end product
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Funding
This study was supported by the Hacettepe University Scientific Research Projects Coordination Units in Ankara, Turkey (No: 013 D09 201 001).
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The study protocol was approved by the Ethical Committee of Hacettepe University, Ankara, Turkey (Protocol no: GO 13/352-14) in accordance with the Helsinki Declaration 1975, as revised in 2000. Oral and written information about the study protocol were given to eligible participants. An informed consent was obtained from all subjects who were willing to participate in our study.
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Dogukan Yilmaz declares that he has no conflict of interest. Feriha Caglayan declares that she has no conflict of interest. Esra Buber declares that she has no conflict of interest. Eija Könönen declares that she has no conflict of interest. Yasemin Aksoy declares that she has no conflict of interest. Ulvi Kahraman Gursoy declares that he has no conflict of interest. Guliz N. Guncu declares that she has no conflict of interest.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of Ethics Committee of the Hacettepe University, Ankara, Turkey (Protocol no: GO 13/352-14), and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Informed consent was obtained from all individual participants included in the study.
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Yilmaz, D., Caglayan, F., Buber, E. et al. Gingival crevicular fluid levels of human beta-defensin-1 in type 2 diabetes mellitus and periodontitis. Clin Oral Invest 22, 2135–2140 (2018). https://doi.org/10.1007/s00784-018-2469-z
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DOI: https://doi.org/10.1007/s00784-018-2469-z