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Related Concept Videos

COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
COPD: Management Using Bronchodilators and Corticosteroids01:26

COPD: Management Using Bronchodilators and Corticosteroids

Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...
Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.01:25

Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.

Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Bone Remodeling01:40

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.

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Related Experiment Video

Updated: Jun 5, 2026

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation
07:17

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation

Published on: April 14, 2016

[COPD and bone metabolism: a clinical update].

A Lehouck1, H van Remoortel, T Troosters

  • 1Service de Pneumologie, Hôpital Universitaire Gasthuisberg, Katholieke Universiteit, 3000 Leuven, Belgique.

Revue Des Maladies Respiratoires
|December 18, 2010
PubMed
Summary

Chronic obstructive pulmonary disease (COPD) and osteoporosis share risk factors and inflammatory pathways. Addressing osteoporosis in COPD patients is crucial for preventing fractures and improving lung function.

Related Experiment Videos

Last Updated: Jun 5, 2026

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation
07:17

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation

Published on: April 14, 2016

Area of Science:

  • Respiratory Medicine
  • Endocrinology
  • Geriatrics

Background:

  • Chronic obstructive pulmonary disease (COPD) and osteoporosis frequently coexist.
  • Shared risk factors include aging, smoking, and physical inactivity.
  • Systemic inflammation, vitamin D deficiency, and corticosteroid use in COPD exacerbate bone resorption.

Purpose of the Study:

  • To highlight the strong link between COPD and osteoporosis.
  • To discuss the impact of osteoporosis on COPD progression and patient mobility.
  • To emphasize the need for tailored prevention and treatment strategies for osteoporosis in COPD patients.

Main Methods:

  • Review of existing evidence linking COPD and osteoporosis.
  • Analysis of shared risk factors and pathophysiological mechanisms.
  • Discussion of current diagnostic and therapeutic challenges.

Main Results:

  • Osteoporosis can lead to vertebral fractures, worsening COPD severity (reduced FVC and FEV1).
  • Fragility fractures increase immobility and morbidity in disabled COPD patients.
  • Population-specific risk assessments combining bone mineral density and clinical factors are recommended.

Conclusions:

  • There is a critical need for osteoporosis management in COPD patients.
  • Current intervention studies for COPD-specific osteoporosis are lacking.
  • Applying general osteoporosis guidelines rigorously is a necessary first step.