Background: Diabetes mellitus (DM) being foremost clinical and public health problem accounts for 4.6 million deaths annually worldwide. Diabetes screening using saliva alternate to blood and urine could assist diabetes testing among the public. Aims and Objectives: To assess and establish the relationship of 1, 5-anhydroglucitol (1, 5-AG) in blood and saliva among DM and normal control subjects. Materials and Methods: A total of 30 subjects (G1) comprising hemoglobin A1C (HbA1C) confirmed type 2 DM and HbA1C confirmed 30 healthy controls (G2) were selected. Blood and whole saliva collected from G1 and G2 subjects centrifuged, aliquoted, and subjected to mass spectrometry. Quantification of 1, 5-AG in blood and saliva samples by liquid chromatography and mass spectrometry was conducted. The results obtained were subjected to statistical analysis. Results: Statistical analysis of data depicted G1 with lower salivary, serum 1, 5-AG levels compared to G2. Moderate positive correlation between salivary 1, 5-AG levels and serum 1, 5-AG levels in G1 and G2 observed. Conclusion: Serum 1, 5-AG levels could be predicted using the salivary 1, 5-AG levels. Therefore, 1, 5-AG in saliva could be predicted as a salivary biomarker in Type II DM patients.
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