Evaluation the Relationship Between Serum and Salivary Levels of 25(OH)Vit.D with Type II Diabetes in Newly Diagnosed Diabetics
- Hamidreza Abdolsamadi
- Mohammad Vahedi
- Shiva Borzouei
- Alireza Soltanian
- Ali Hosseini
- Meghdad Zakavati Avval
Introduction: The International Diabetes Federation (IDF) Announces 415 million people around the world are suffering from diabetes. There is a high proportion of UDM (undiagnosed diabetes) at the level of the world and particularly in developing countries. The number of people with UDM in Iran in 2015 are 2197.96 per 1000. Vitamin D3 deficiency is associated with increased risk of type 2 diabetes and for a long time, been recognized as a risk factor for glucose intolerance. Salivary composition, as the mirror of oral health, its use as a diagnostic tool is increasing and diabetes is also can be effective on the flow rate of saliva and its compounds. Analysis of saliva can be used as part of the evaluation of endocrine function.
Material and Methods: In this case-control study in 2016 in Hamadan, we selected 57 newly diagnosed patients with type 2 diabetes mellitus with mean aged 47.73 years and 57 healthy controls with mean aged 45.36 years. By using Spitting method, 5ml of completely unstimulated saliva samples were collected from diabetic patients and control subjects. The serum and saliva 25(OH)Vit.Dconcentrations were measured by ELISA. The results are analyzed by SPSS 16.
Results: Significant difference was found in serum concentrations between the two groups (p<0.001). But in unstimulated whole salivary 1, 25(OH) 2D3 concentrations between the two groups, difference was not significant and the relationship, was reversed. There was a significant correlation (P=0.013) between serum and saliva 1, 25(OH) 2D3concentrations in the control group. In other words, the correlation was approximately 0.33. Correlation between serum and saliva 1, 25(OH) 2D3 concentrations in case group was not significant. Serum levels of 1, 25(OH) 2D3 in 21.1% of control group, showed the inadequate level (Vit.D3= 20-29ng/ml) and in the case group, showed the critical situation and overall 91.2% of the newly diagnosed diabetics, suffered from lack of vitamin D3. According to the salivary levels of 1, 25(OH) 2D3, in general, a total of 58% of the case group, have deficiency of vitamin D3.
Conclusion: The results was confirmed vitamin D3 deficiency in participating in the study population (both case and control). The findings showed that there is lower concentration of 1, 25(OH) 2D3 in serum and after that in saliva in diabetic patients that newly diagnosed. Saliva would play a helpful diagnostic role in the early detection, the monitoring and progression of diabetes, but still serum is the better method for detecting vit.D3 levels and more research needs to be done on saliva for detecting Vit.D3 concentrations.
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