Related Experiment Video
Updated: Dec 29, 2025
09:15
Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
Published on: November 10, 2017
15.0K
Epigenetic Link Between Statin Therapy and Type 2 Diabetes.
Carolina Ochoa-Rosales1,2, Eliana Portilla-Fernandez3, Jana Nano4,5
1Department of Epidemiology, Erasmus MC University Medical Center, Rotterdam, the Netherlands taulant.muka@ispm.unibe.ch c.ochoarosales@erasmusmc.nl.
Diabetes Care
|February 9, 2020
Summary
Statins may increase type 2 diabetes risk by altering DNA methylation (DNAm), particularly affecting ABCG1 gene expression and insulin regulation. This epigenetic mechanism offers insights into statin side effects.
Area of Science:
- Epigenetics
- Molecular Biology
- Endocrinology
Background:
- Statins are widely prescribed cholesterol-lowering drugs.
- A known side effect of statins is an increased risk of developing type 2 diabetes.
- The underlying biological mechanisms for this diabetogenic effect remain incompletely understood.
Purpose of the Study:
- To investigate the role of epigenetic modifications, specifically DNA methylation (DNAm), in the diabetogenic effects of statins.
- To compare DNAm patterns between statin users and nonusers.
- To explore the association between DNAm, statin use, and glycemic traits.
Main Methods:
- An epigenome-wide association study (EWAS) was conducted using data from five cohort studies (n = 8,270).
- Participants were categorized as statin users or nonusers based on medication status at the time of DNAm assessment.
- DNAm was measured using Illumina 450K or EPIC arrays, and associations with glycemic traits and gene expression were analyzed.
Main Results:
- Five DNAm sites were significantly associated with statin use, including sites in DHCR24, ABCG1, and SC4MOL genes.
- DNAm site cg06500161 in ABCG1 was associated with higher fasting glucose, insulin, HOMA-IR, and increased odds of type 2 diabetes.
- Mediation analyses indicated that ABCG1 DNAm partially mediates the effect of statins on insulin resistance (HOMA-IR).
Conclusions:
- DNA methylation patterns are altered by statin use, potentially contributing to the diabetogenic effect.
- ABCG1 epigenetic regulation appears to be a key mechanism linking statins to adverse effects on insulin metabolism.
- Further research is needed to fully elucidate the molecular pathways involved in statin-induced epigenetic changes.
Related Concept Videos
01:20Lipid-Lowering Drugs: Statins and Miscellaneous Agents
1.2K
Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
1.2K
01:22Diabetes Mellitus: Type 2 and Gestational
4.2K
Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
4.2K
01:26Oral Hypoglycemic Agents: Biguanides and Glitazones
535
Biguanides, particularly metformin (Glucophage), are insulin sensitizers that enhance glucose uptake, thereby reducing insulin resistance. Unlike sulfonylureas, metformin doesn't prompt insulin secretion, which helps to curb hypoglycemia risk. Metformin is beneficial in treating conditions like polycystic ovary syndrome due to its insulin-resistance reduction capability. The drug's primary action involves curtailing hepatic gluconeogenesis, a significant contributor to high blood...
535
01:36Carbohydrate Metabolism
13.6K
Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
13.6K
01:19Psychoneuroimmunology: Diabetes and Cancer
366
Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...
366
01:26Atherosclerosis III: Management
277
Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
277