Salivary and Serum Aspartate Aminotransferase and Alanine Aminotransferase in An Uncontrolled Diabetic Patients
Keywords:alanine aminotransferase, aspartate aminotransferase, diabetes mellitus.
Background: Diabetes mellitus (DM) is a metabolic disorder, characterized by a higher level of blood
glucose resulted from either abnormality in insulin production (type1 DM) or resistance to insulin action
(type 2 DM) or both. Long lasting elevated blood glucose is responsible for chronic damage, defect in
function and impairment of various organs including salivary glands. Aspartate aminotransferase (AST) and
alanine aminotransferase (ALT) are cellular enzymes found in all animal tissues.
Aims of the Study: to estimate and compare the levels of salivary and serum AST and ALT between un
controlled diabetic patients and normal control people.
Subjects, Materials and Method: The study comprised 90 adults of both gender. The patients were
divided into 3 groups: 30 patients with type 1 diabetics (D1), 30 patients with type 2 diabetics (D2) and
30 healthy persons as a control group (C). Serum and un stimulated salivary samples were taking for the
AST, ALT evaluating using standard spectrophotometer kits. The level of glycosylated hemoglobin (HbA1c)
was measured using NycoCard kit to exclude the controlled diabetic patients. Data were analyzed using
statistical analysis SPSS version 24.
Results: The results showed a significant increase of salivary enzymes in D1 and D2 compared to salivary
enzymes of control group, while there was no significant difference in serum enzymes value among all
Conclusions: An elevation in salivary AST and ALT in both types of diabetes compared to healthy group,
with higher salivary level of AST and ALT in D1 compared to D2 and to healthy control group. This may
suggest that autoimmunological activity in D1 responsible for more salivary gland injury in D1 group.
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