Administration, Oral 1 Animals 1 Antioxidant 1 Aqueous extract 1 Diabetes Mellitus, Experimental 1 Ferns 1 Gene Expression Profiling 1 Gene Expression Regulation 1 Gene expression 1 Glucose Transporter Type 2 1 Glucose-6-Phosphatase 1 Hypoglycemic Agents 1 Male 1 Octomeles sumatrana 1 Octomeles sumatrana extract 1 Oxidative stress 1 Phosphoenolpyruvate Carboxykinase (GTP) Plant Extracts 1 Rats 1 Rats, Sprague-Dawley 1 STZ-induced diabetic rats 1 alanine aminotransferase 1 alanine aminotransferase blood level 1 animal experiment 1 animal model 1 animal tissue 1 antidiabetic activity 1 antidiabetic agent 1 article 1 aspartate aminotransferase 1