catalpol 2 glucose homeostasis 2 insulin sensitivity 2 insulin signaling pathway mitochondrial respiration 2 oxygen consumption rate 2 type-2 diabetes mellitus 2 AMP-activated protein kinase kinase 1 AMPK signaling 1 Animals 1 Article 1 BIOGENESIS 1 COACTIVATOR 1 Catalpol 1 Diabetes Mellitus, Type 2 1 Disease Models, Animal 1 FAT 1 GLUCOSE-TOLERANCE 1 Humans 1 Insulin 1 Insulin Resistance 1 Iridoid Glucosides 1 MELLITUS 1 Mice, Inbred NOD 1 Mitochondrial Diseases 1 Muscle, Skeletal 1 PGC-1-ALPHA 1 PHOSPHATIDYLINOSITOL 3-KINASE 1 PPAR gamma 1 PROTEIN-KINASE-C 1