Glucose transport and metabolism pathways

Glucose transport and metabolism pathways represent the integrated system of proteins and biochemical reactions responsible for the uptake, distribution, and utilization of glucose as a primary energy source. This system includes glucose transporters (GLUTs and SGLTs) that move glucose across cell membranes and metabolic sequences like glycolysis and gluconeogenesis that regulate its internal concentration and conversion to ATP (StatPearls, 2023). Dysregulation of these pathways is central to the pathogenesis of diabetes mellitus, where insulin resistance or deficiency leads to hyperglycemia, and in oncology, where the Warburg effect describes the preference of cancer cells for aerobic glycolysis (NIH, 2022). Therapeutic intervention often focuses on specific nodes within these pathways, such as inhibiting SGLT2 to promote glucose excretion or using metformin to suppress hepatic gluconeogenesis (PubMed, 2021). Because these pathways are fundamental to systemic energy balance, pharmacological modulation requires careful monitoring to avoid adverse effects like hypoglycemia or metabolic acidosis (NCBI, 2024).

Other names

Glucose metabolismGlycolytic pathwayGlucose homeostasisCarbohydrate metabolismGlucose uptake and utilization

Drugs targeting these pathways function through several distinct mechanisms: inhibition of sodium-glucose cotransporter 2 (SGLT2) to increase urinary glucose excretion; activation of AMP-activated protein kinase (AMPK) to reduce hepatic gluconeogenesis; inhibition of alpha-glucosidase to delay intestinal carbohydrate absorption; and activation of the insulin receptor to promote peripheral glucose uptake (PubMed, 2021; StatPearls, 2023).