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Updated: Jun 7, 2026

Extracellular Glucose Depletion as an Indirect Measure of Glucose Uptake in Cells and Tissues Ex Vivo
Published on: April 6, 2022
Exploring newer target sodium glucose transporter 2 for the treatment of diabetes mellitus
1Department of Pharmacology, L.M. College of Pharmacy, Navrangpura, Ahmedabad-380009, Gujarat, India.
Abstract:
Diabetes mellitus is an independent risk factor for the development of coronary artery disease, myocardial infarction, hypertension, and dyslipidemia. The treatment of diabetes has been mainly focused on maintaining normal blood glucose concentrations. Insulin and hypoglycemic agents have been used as standard therapeutic strategies. However, these are characterized by limited efficacy and adverse side effects, making the development of new therapeutic alternatives mandatory. Inhibition of glucose reabsorption in the kidney, mediated by Sodium Glucose Transporters (SGLT's), represents a promising therapeutic approach. The high-affinity sodium glucose cotransporter (SGLT1) is expressed to some extent in the kidney and contributes to glucose reabsorption, However Genetic mutations in the SGLT1 gene leading to a functional defect are responsible for glucose/galactose malabsorption. The low-affinity sodium glucose cotransporter (SGLT2), which is expressed specifically in the kidney, plays a major role in renal glucose reabsorption in the proximal tubule. We focused on SGLT2 as a molecular target for this review because it plays a major role in renal glucose reabsorption, and its tissue distribution is limited in the kidney to reduce the likelihood for mechanism-based side effects. Phlorizin, a natural phenolic O-glucoside has been known to induce glucosuria for more than 100 years. As it is not a specific SGLT inhibitor, later on o-glucoside is replaced by c-glycoside as it is resistant to hydrolysis by β-glucosidases. The present review summarizes the concept of SGLT2 selective target based therapy for diabetes mellitus and the current clinical and preclinical development of SGLT2 inhibitors.
Insights
Sodium Glucose Transporter 2 (SGLT2) inhibitors offer a novel therapeutic strategy for diabetes mellitus by reducing glucose reabsorption in the kidneys. This approach targets SGLT2, a protein specifically found in the kidney, to minimize side effects.
Area of Science:
- Endocrinology
- Pharmacology
- Nephrology
Background:
- Diabetes mellitus is a significant risk factor for cardiovascular diseases and metabolic disorders.
- Current diabetes treatments like insulin and hypoglycemic agents have limitations in efficacy and adverse effects.
- Inhibiting glucose reabsorption in the kidney via Sodium Glucose Transporters (SGLT's) presents a promising alternative therapy.
Purpose of the Study:
- To review the therapeutic potential of targeting Sodium Glucose Transporter 2 (SGLT2) for diabetes mellitus.
- To discuss the development of SGLT2 inhibitors as a selective treatment strategy.
Main Methods:
- Focus on SGLT2 as a molecular target due to its specific role in renal glucose reabsorption.
- Review of preclinical and clinical development of SGLT2 inhibitors.
- Exploration of SGLT inhibitors, moving from non-specific (phlorizin) to specific c-glycoside inhibitors.
Main Results:
- SGLT2 plays a major role in kidney glucose reabsorption.
- Selective inhibition of SGLT2 in the kidney reduces the likelihood of mechanism-based side effects.
- Development of SGLT2 inhibitors represents a promising therapeutic avenue.
Conclusions:
- SGLT2 selective target-based therapy is a viable strategy for managing diabetes mellitus.
- Further clinical and preclinical development of SGLT2 inhibitors is ongoing.
- Targeting SGLT2 offers a new approach to glycemic control with potentially fewer side effects.
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