Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

3.3K
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
3.3K
Electron Transport Chain: Complex I and II01:46

Electron Transport Chain: Complex I and II

15.3K
The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
ROS generation is regulated and maintained at moderate levels necessary...
15.3K
Necrosis01:16

Necrosis

5.0K
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...
5.0K
The Electron Transport Chain01:30

The Electron Transport Chain

18.1K
The electron transport chain or oxidative phosphorylation is an exothermic process in which free energy released during electron transfer reactions is coupled to ATP synthesis. This process is a significant source of energy in aerobic cells, and therefore inhibitors of the electron transport chain can be detrimental to the cell's metabolic processes.
Inhibitors of the electron transport chain
Rotenone, a widely used pesticide, prevents electron transfer from Fe-S cluster to ubiquinone or Q...
18.1K
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

63
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...
63
Mitochondria01:37

Mitochondria

15.7K
Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
15.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Flight style and metabolism shape the tempo of genome evolution in birds.

PLoS biology·2026
Same author

Enhancing Communication Robustness for Leadless Pacemakers: 2-DOF Gain Compensation Across Physiologic and Pathologic Dynamics.

IEEE transactions on bio-medical engineering·2026
Same author

Spatiotemporal transcriptome atlas reveals the dynamic cellular and molecular characteristics of ovule development in gymnosperms.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Development and Interpretable Machine Learning-Based Prediction of Cardiovascular Disease Risk in Chinese COPD Patients: An Analysis of the CHARLS Database.

International journal of chronic obstructive pulmonary disease·2026
Same author

Evaluating the Ecotoxicological Effects of Microplastics on Terrestrial Passerines: Insights from Eurasian Tree Sparrows.

Toxics·2026
Same author

Targeted next-generation sequencing-based pathogens detection in children with severe pneumonia in the pediatric intensive care unit.

Frontiers in pediatrics·2026

Related Experiment Video

Updated: Oct 14, 2025

Phosphorus-31 Magnetic Resonance Spectroscopy: A Tool for Measuring In Vivo Mitochondrial Oxidative Phosphorylation Capacity in Human Skeletal Muscle
09:40

Phosphorus-31 Magnetic Resonance Spectroscopy: A Tool for Measuring In Vivo Mitochondrial Oxidative Phosphorylation Capacity in Human Skeletal Muscle

Published on: January 19, 2017

11.9K

Iron overload and mitochondrial dysfunction orchestrate pulmonary fibrosis.

Shuxin Li1, Hongmin Zhang1, Jing Chang1

  • 1Ministry of Education Key Laboratory of Molecular and Cellular Biology, Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei, 050024, People's Republic of China.

European Journal of Pharmacology
|November 6, 2021
PubMed
Summary

Pulmonary fibrosis (PF) involves iron overload and mitochondrial damage, leading to lung scarring. Targeting these mechanisms offers a promising therapeutic strategy for this progressive lung disease.

Keywords:
ApoptosisIdiopathic pulmonary fibrosisIronMitochondriaOxidative stress

More Related Videos

Oropharyngeal Administration of Bleomycin in the Murine Model of Pulmonary Fibrosis
06:03

Oropharyngeal Administration of Bleomycin in the Murine Model of Pulmonary Fibrosis

Published on: May 9, 2025

958
Refined Murine Model of Idiopathic Pulmonary Fibrosis
07:51

Refined Murine Model of Idiopathic Pulmonary Fibrosis

Published on: June 17, 2025

408

Related Experiment Videos

Last Updated: Oct 14, 2025

Phosphorus-31 Magnetic Resonance Spectroscopy: A Tool for Measuring In Vivo Mitochondrial Oxidative Phosphorylation Capacity in Human Skeletal Muscle
09:40

Phosphorus-31 Magnetic Resonance Spectroscopy: A Tool for Measuring In Vivo Mitochondrial Oxidative Phosphorylation Capacity in Human Skeletal Muscle

Published on: January 19, 2017

11.9K
Oropharyngeal Administration of Bleomycin in the Murine Model of Pulmonary Fibrosis
06:03

Oropharyngeal Administration of Bleomycin in the Murine Model of Pulmonary Fibrosis

Published on: May 9, 2025

958
Refined Murine Model of Idiopathic Pulmonary Fibrosis
07:51

Refined Murine Model of Idiopathic Pulmonary Fibrosis

Published on: June 17, 2025

408

Area of Science:

  • Pulmonary Medicine
  • Cell Biology
  • Biochemistry

Background:

  • Pulmonary fibrosis (PF) is a progressive lung disease characterized by scarring and impaired lung function.
  • Current understanding of PF mechanisms is limited, hindering the development of effective treatments.
  • Iron accumulation and mitochondrial damage are increasingly recognized as key contributors to PF pathogenesis.

Purpose of the Study:

  • To review and discuss the roles of iron homeostasis imbalance and mitochondrial damage in pulmonary fibrosis.
  • To highlight the potential of targeting these pathways for novel therapeutic strategies.

Main Methods:

  • Literature review of studies investigating iron metabolism and mitochondrial function in PF.
  • Synthesis of current research on the interplay between iron overload, mitochondrial dysfunction, and lung cell pathology.

Main Results:

  • Excessive iron accumulation leads to mitochondrial impairment in pulmonary cells.
  • Mitochondrial dysfunction is a critical factor driving cellular dysfunction and disease progression in PF.
  • Interventions reducing iron content and improving mitochondrial function show efficacy in preclinical models.

Conclusions:

  • Imbalances in iron homeostasis and mitochondrial damage are central to PF development.
  • Targeting iron overload and mitochondrial dysfunction represents a promising therapeutic avenue for PF.
  • Further research into these mechanisms is crucial for developing effective treatments for pulmonary fibrosis.