Iron accumulation and lipid peroxidation: implication of ferroptosis in diabetic cardiomyopathy

Xuehua Yan1,2, Yang Xie3, Hongbing Liu1

  • 1College of Traditional Chinese Medicine, Xinjiang Medical University, Xinjiang, China.

Insights

Diabetic cardiomyopathy (DC) involves iron overload and ferroptosis, contributing to heart damage. Understanding iron metabolism in DC offers new therapeutic targets for heart failure.

Area of Science:

  • Cardiovascular Medicine
  • Metabolic Disorders
  • Cellular Pathology

Background:

  • Diabetic cardiomyopathy (DC) is a severe heart condition linked to diabetes, distinct from hypertension or coronary artery disease.
  • Current DC treatments are largely symptomatic, lacking targeted interventions due to unclear pathogenesis.
  • Ferroptosis, a form of iron-mediated cell death, is implicated in diabetes and DC pathology.

Purpose of the Study:

  • To review the role of ferroptosis in the pathogenesis of diabetic cardiomyopathy.
  • To identify and analyze potential therapeutic targets related to iron metabolism and ferroptosis in DC.
  • To discuss the limitations and future prospects of targeting ferroptosis for DC management.

Main Methods:

  • Literature review focusing on the relationship between iron metabolism, ferroptosis, and diabetic cardiomyopathy.
  • Analysis of existing research on the pathological mechanisms of DC.
  • Synthesis of information on potential intervention strategies targeting ferroptosis.

Main Results:

  • Excess iron accumulation disrupts the antioxidant system in DC.
  • Iron overload exacerbates DC through excessive autophagy and mitochondrial dysfunction.
  • Ferroptosis accelerates myocardial and microvascular damage in diabetic cardiomyopathy.

Conclusions:

  • Iron metabolism and ferroptosis are critical factors in DC development.
  • Targeting ferroptosis pathways presents a promising therapeutic avenue for diabetic cardiomyopathy.
  • Further research is needed to explore the clinical application and limitations of ferroptosis-targeting strategies.

Related Concept Videos

Necrosis01:16

Necrosis

Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become...
4.6K
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
10
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
12
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
16
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
11
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
16