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Related Concept Videos

Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

Lipid-Lowering Drugs: Statins and Miscellaneous Agents

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...
Cholesterol: Significance and Regulation01:29

Cholesterol: Significance and Regulation

Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

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...
Peroxisomes01:24

Peroxisomes

Peroxisomes are specialized organelles present in fungi, plant, and animal cells. It can vary in number, size, morphology, and activity depending on the type of tissue and the nutritional state of the cell. For example, cells with active lipid metabolism, such as adipocytes, neurons, and hepatocytes, have more peroxisomes than other cells in the body. Besides their primary role in breaking down complex organic molecules, peroxisomes can also synthesize specific macromolecules and participate in...
Peroxisomes01:24

Peroxisomes

Peroxisomes are specialized organelles present in fungi, plant, and animal cells. It can vary in number, size, morphology, and activity depending on the type of tissue and the nutritional state of the cell. For example, cells with active lipid metabolism, such as adipocytes, neurons, and hepatocytes, have more peroxisomes than other cells in the body. Besides their primary role in breaking down complex organic molecules, peroxisomes can also synthesize specific macromolecules and participate in...
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...

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Updated: Jun 2, 2026

Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein
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Published on: October 12, 2017

[Statins and oxidative stress].

Florina Filip-Ciubotaru1, Liliana Foia, Carmen Manciuc

  • 1Disciplina Medicina de Familie, Facultatea de Medicină, Universitatea de Medicină si Farmacie Gr.T. Popa Iaşi.

Revista Medico-Chirurgicala a Societatii De Medici Si Naturalisti Din Iasi
|April 19, 2011
PubMed
Summary

Statins combat cardiovascular disease by inhibiting cholesterol synthesis and reducing inflammation. Their antioxidant properties further enhance efficacy by scavenging reactive oxygen species and inhibiting oxidized LDL.

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Area of Science:

  • Biochemistry
  • Pharmacology
  • Cardiology

Context:

  • Statins are primary treatments for cardiovascular disorders, inhibiting HMG-CoA reductase.
  • Emerging research highlights statins' anti-inflammatory and antioxidant effects beyond cholesterol reduction.

Purpose:

  • To review the literature on statins' antioxidant properties.
  • To examine statins' effects on enzymes involved in oxidative stress and antioxidant defense.

Summary:

  • Statins inhibit NAD(P)H oxidase, a key source of reactive oxygen species (ROS).
  • Statins modulate antioxidant enzymes like SOD, GPx, catalase, and paraoxonase.
  • Statins scavenge free radicals and inhibit oxidized low-density lipoprotein (LDL), reducing atherogenic potential.

Impact:

  • Statins' antioxidant actions complement their lipid-lowering effects in cardiovascular disease management.
  • Understanding these mechanisms can optimize statin therapy for broader cardiovascular protection.