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Related Concept Videos

Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

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Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
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Asthma-II: Pathophysiology and Classification01:26

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Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
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Critical processes in asthma pathophysiology include:
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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

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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
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Asthma-I: Introduction01:29

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Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
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Mitochondria01:37

Mitochondria

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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,...
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Obesity01:24

Obesity

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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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Phosphorus-31 Magnetic Resonance Spectroscopy: A Tool for Measuring In Vivo Mitochondrial Oxidative Phosphorylation Capacity in Human Skeletal Muscle
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Mitochondrial Dysfunction and Metabolic Reprogramming in Obesity and Asthma.

Paige Hartsoe1, Fernando Holguin2, Hong Wei Chu1

  • 1Department of Medicine, National Jewish Health, Denver, CO 80222, USA.

International Journal of Molecular Sciences
|March 13, 2024
PubMed
Summary

Mitochondrial dysfunction is linked to obesity and asthma. Mesenchymal stem cell therapy offers a novel approach to restore mitochondrial function and metabolism in this patient group.

Keywords:
asthmainflammationmesenchymal stem cellsmetabolic reprogrammingmitochondrial dysfunctionobesityreactive oxygen species

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Author Spotlight: Unveiling Mitochondrial Function and Cellular Metabolic Adaptation in Metabolic Diseases
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Area of Science:

  • Biochemistry
  • Cell Biology
  • Pulmonology

Background:

  • Mitochondrial dysfunction and metabolic reprogramming are implicated in various diseases, including cardiovascular and neurodegenerative disorders.
  • Obesity is associated with mitochondrial fragmentation, altered energy metabolism (glycolysis, oxidative phosphorylation), and increased oxidative stress.
  • Existing treatments aim to reduce cellular stress and restore mitochondrial dynamics, often using antioxidants.

Purpose of the Study:

  • To review the specific role of mitochondrial dysfunction in obesity, particularly in individuals with asthma.
  • To explore mesenchymal stem cell (MSC) mediated mitochondrial transfer as a therapeutic strategy.
  • To highlight mitochondrial targeted therapy for metabolic restoration in this unique patient endotype.

Main Methods:

  • Literature review focusing on mitochondrial dysfunction in obesity and asthma.
  • Analysis of studies investigating mesenchymal stem cell mitochondrial transfer.
  • Examination of metabolic pathways and cellular stress markers.

Main Results:

  • Mitochondrial dysfunction contributes to the pathophysiology of obesity and asthma.
  • Mesenchymal stem cells can transfer healthy mitochondria to damaged cells.
  • This transfer has the potential to restore cellular energy metabolism and reduce oxidative stress.

Conclusions:

  • Mitochondrial dysfunction is a key factor in obesity co-occurring with asthma.
  • Mesenchymal stem cell therapy represents a promising, targeted approach to address mitochondrial defects.
  • Restoring mitochondrial health via targeted therapies may alleviate metabolic dysregulation in this specific patient population.