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Related Concept Videos

Mitochondria01:37

Mitochondria

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,...
Electron Transport Chain: Complex I and II01:46

Electron Transport Chain: Complex I and II

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...
Mitochondrial Membranes01:45

Mitochondrial Membranes

A single mitochondrion is a bean-shaped organelle enclosed by a double-membrane system. The outer membrane of mitochondria is smooth and contains many porins - the integral membrane transporters. Porins enable free diffusion of ions and small uncharged molecules through the outer mitochondrial membrane but limit the transport of molecules larger than 5000 Daltons. Further, the outer mitochondrial membrane forms a unique structure called membrane contact sites with other subcellular organelles,...
Peroxisomes and Mitochondria01:30

Peroxisomes and Mitochondria

Peroxisomes and mitochondria are two important oxygen-utilizing organelles in eukaryotic cells. Mitochondria carry out cellular respiration—the process that converts energy from food into ATP. Peroxisomes carry out a variety of functions, primarily breaking down different substances, such as fatty acids.
The peroxisome is a single membrane-bound cellular organelle that can perform several different functions, including lipid metabolism and chemical detoxification. The enzymes within peroxisomes...
Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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
Chronic Obstructive Pulmonary Disease II: Emphysema01:23

Chronic Obstructive Pulmonary Disease II: Emphysema

Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.

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Updated: May 8, 2026

Real-Time Measurement of the Mitochondrial Bioenergetic Profile of Neutrophils
09:39

Real-Time Measurement of the Mitochondrial Bioenergetic Profile of Neutrophils

Published on: June 2, 2023

Mitochondria in lung diseases.

Bharathi Aravamudan1, Michael A Thompson, Christina M Pabelick

  • 1Departments of Anesthesiology, Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905 USA.

Expert Review of Respiratory Medicine
|August 28, 2013
PubMed
Summary
This summary is machine-generated.

Mitochondria, crucial for cell function, play significant roles in lung disease development. Understanding their structure and function offers new therapeutic targets for respiratory illnesses.

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Robust Mitochondrial Isolation from Rodent Cardiac Tissue
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Robust Mitochondrial Isolation from Rodent Cardiac Tissue

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Real-Time Measurement of the Mitochondrial Bioenergetic Profile of Neutrophils
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Robust Mitochondrial Isolation from Rodent Cardiac Tissue
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Robust Mitochondrial Isolation from Rodent Cardiac Tissue

Published on: August 23, 2024

Area of Science:

  • Cell Biology
  • Pulmonary Medicine
  • Mitochondrial Biology

Background:

  • Mitochondria are vital organelles involved in cellular metabolism, energy production, and cell fate.
  • Mitochondrial structure and function are increasingly recognized for their roles in cellular health and disease.
  • Dysfunctional mitochondria contribute to various pathological processes.

Purpose of the Study:

  • To review the role of mitochondria in the pathogenesis of lung diseases.
  • To highlight the importance of mitochondrial structure and function in normal lung physiology and disease.
  • To discuss emerging techniques and therapeutic strategies targeting mitochondria for lung diseases.

Main Methods:

  • Literature review of mitochondrial contributions to lung disease pathogenesis.
  • Synthesis of knowledge on mitochondrial structure and function from various cell types.
  • Discussion of emerging technologies for mitochondrial examination.
  • Exploration of potential mitochondria-targeted therapies.

Main Results:

  • Mitochondria are implicated in the development and progression of lung diseases including asthma, COPD, cystic fibrosis, and cancer.
  • Both structural and functional aspects of mitochondria are critical for normal lung function and disease modulation.
  • Novel techniques enable detailed examination of mitochondrial dynamics and function.
  • Targeting mitochondria presents promising therapeutic avenues for lung diseases.

Conclusions:

  • Mitochondrial dysfunction is a key factor in lung disease pathogenesis.
  • Further research into mitochondrial roles in the lungs is warranted.
  • Mitochondria-targeted therapies hold potential for treating various respiratory conditions.