Thiazolidinediones: Beyond glycemic control

Kathryn Reynolds, Ronald B Goldberg

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Our knowledge and understanding of the role played by peroxisome proliferator-activated γ receptors in physiology and pathophysiology has expanded dramatically over the past 5 years. Originally described as having important functions in adipogenesis and glucose homeostasis, their pharmacologic agonists, the thiazolidinediones, were introduced as antihyperglycemic, insulin-sensitizing agents for the management of type 2 diabetes mellitus. However, it was to some degree inevitable that the thiazolidinediones would be rapidly recognized as having vasculoprotective properties beyond glycemic control that might also be beneficial. First, diabetic complications are vascular in nature, the earliest feature of these is endothelial dysfunction. Second, it is being increasingly appreciated that these complications develop through inflammatory and procoagulant pathways in which increased oxidative stress is considered a major etiologic mechanism, and which are closely linked to the presence of insulin resistance, visceral obesity, and hyperglycemia. Early appreciation that the thiazolidinediones have antioxidant, anti-inflammatory, anti-procoagulant, and antiproliferative properties in addition to their insulin-sensitizing, anti-lipotoxic properties created a marriage of investigative pathways that has not only led to a very large body of literature on the pleiotropic effects of thiazolidinediones, but also to the development of new understandings of the connections between insulin resistance, obesity, and hyperglycemia and the onset of vascular disease. Understandably, most of the focus has been directed at the macrovascular complications of diabetes, since these are the major causes of morbidity and mortality in this population. However, there is evidence that these agents may have benefits for the microvascular complications as well, and their potential role for cardiovascular disease prevention in non-diabetic patients with the metabolic syndrome is a logical extension of the work performed in diabetes. The recently reported results of the effects of pioglitazone versus placebo on cardiovascular events in patients with type 2 diabetes support the contention that these agents have vasculoprotective effects.

Original languageEnglish
Pages (from-to)25-36
Number of pages12
JournalTreatments in Endocrinology
Volume5
Issue number1
DOIs
StatePublished - Jan 23 2006

Fingerprint

Thiazolidinediones
pioglitazone
Hyperglycemia
Type 2 Diabetes Mellitus
Insulin Resistance
Insulin
Diabetic Angiopathies
Adipogenesis
Peroxisome Proliferator-Activated Receptors
Abdominal Obesity
Diabetes Complications
Marriage
Vascular Diseases
Hypoglycemic Agents
Oxidative Stress
Homeostasis
Anti-Inflammatory Agents
Cardiovascular Diseases
Obesity
Antioxidants

ASJC Scopus subject areas

  • Endocrinology

Cite this

Thiazolidinediones : Beyond glycemic control. / Reynolds, Kathryn; Goldberg, Ronald B.

In: Treatments in Endocrinology, Vol. 5, No. 1, 23.01.2006, p. 25-36.

Research output: Contribution to journalArticle

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