Mechanisms of Antihyperglycemic Drugs
Mechanisms of Antihyperglycemic Drugs
In-depth analysis of multi-target strategies in modern diabetes treatment
Core Goal (1): Glucose
Lower Concentration
Controlling high blood sugar levels by inhibiting production, delaying absorption, increasing utilization, and promoting excretion.
Core Goal (2): Free Fatty Acids
Reduce Release
Excessive Free Fatty Acids (FFA) worsen insulin resistance; controlling their release is key to improving sensitivity.
Six Organ Targets and Drug Mechanisms
🫀 Pancreas
As the main insulin-secreting organ, drugs aim to enhance or mimic its secretory function to address deficiency.
- GLP-1 Analogues
- DPP-4 Inhibitors
- Insulin Secretagogues (SU / Meglitinides)
🥩 Liver
The liver is the body's primary glucose producer (gluconeogenesis). Inhibiting this process is a vital means of blood sugar control.
- Biguanide (e.g., Metformin)
🦾 Muscle
Muscle is a major glucose consumer. Increasing muscle sensitivity to insulin effectively boosts glucose uptake.
- Biguanide
- Thiazolidinediones (TZD)
🧈 Adipose Tissue
Inflammation and excessive FFA release from adipose tissue contribute to insulin resistance.
- Thiazolidinediones (TZD)
🌀 Intestine
Dietary carbohydrates are broken down and absorbed here. Delaying this process smooths out post-meal blood sugar spikes.
- α-Glucosidase Inhibitors (AGI)
কিড Kidney
The kidneys filter and reabsorb glucose daily. Inhibiting reabsorption allows excess sugar to be excreted directly in urine.
- SGLT2 Inhibitors
Comparative Drug Characteristics (Illustrative)
Different drugs vary in their effects on blood sugar lowering, weight, and risk of hypoglycemia. This radar chart illustrates the overall characteristics of three representative drugs (data is illustrative).
In-Depth Analysis: AGI Action
α-Glucosidase Inhibitors (AGI) primarily act on the intestine. They do not directly affect insulin but inhibit the enzyme that breaks down carbohydrates (like starch) into monosaccharides (glucose).
As shown in the chart, this significantly "delays" glucose absorption, thus preventing a sharp post-meal blood sugar spike and resulting in a smoother blood sugar curve.