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Related Concept Videos

Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell types that...
Chronic Obstructive Pulmonary Disease-V: Management01:29

Chronic Obstructive Pulmonary Disease-V: Management

Managing Chronic Obstructive Pulmonary Disease (COPD) involves a multifaceted approach to reduce symptoms, prevent exacerbations, improve overall health status, and slow disease progression. Key strategies include lifestyle modifications, pharmacotherapy, supportive therapies, and, in some cases, surgery. Here is an overview of the primary COPD management strategies:
Smoking Cessation
Clinical Applications of Epidermal Stem Cells01:19

Clinical Applications of Epidermal Stem Cells

Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own EpiSCs...
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...
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
Overview of Regeneration and Repair01:19

Overview of Regeneration and Repair

Regeneration and repair processes are critical in healing damages caused by injury, disease, and aging. In regeneration, the damaged tissue is entirely replaced with new growth that restores the original architecture and function. In contrast, tissue repair usually results in a fixed tissue architecture involving scar formation. Scars generally do not reestablish tissue function and may also exhibit structural abnormalities at the injury site.
Regeneration
All animals have varying degrees of...

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Related Experiment Video

Updated: Jun 24, 2026

Procedure for Lung Engineering
12:50

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Published on: March 8, 2011

Tissue regeneration as next-generation therapy for COPD--potential applications.

Shunsuke Ohnishi1, Noritoshi Nagaya

  • 1Department of Regenerative Medicine and Tissue Engineering, National Cardiovascular Center Research Institute, Suita, Osaka, Japan. shunpou@hotmail.com

International Journal of Chronic Obstructive Pulmonary Disease
|March 14, 2009
PubMed
Summary

New therapies for Chronic Obstructive Pulmonary Disease (COPD) may involve stem cells. Understanding cell recognition and regeneration processes could lead to treatments that promote lung tissue repair and protection.

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Area of Science:

  • Pulmonary Medicine
  • Regenerative Medicine
  • Cell Biology

Background:

  • Chronic Obstructive Pulmonary Disease (COPD) is a leading global cause of illness and death.
  • Current treatments, including lung transplantation, are limited, necessitating novel therapeutic strategies.
  • Defects in apoptotic cell recognition and subsequent growth factor release may contribute to COPD pathogenesis.

Purpose of the Study:

  • To explore the role of apoptotic cell recognition in COPD pathogenesis.
  • To investigate the potential of stem/progenitor cells in lung tissue regeneration for COPD.
  • To identify novel therapeutic targets for COPD based on cell regeneration mechanisms.

Main Methods:

  • Review of recent animal and human studies on lung regeneration.
  • Analysis of the mechanisms of apoptotic cell recognition and its role in growth factor stimulation.
  • Evaluation of the contribution of tissue-specific and bone marrow-derived stem cells to lung repair.

Main Results:

  • Recognition of apoptotic lung cells can stimulate growth factors for cell replacement.
  • Dysfunctional apoptotic cell recognition may be implicated in the development of COPD.
  • Stem cells, both endogenous and exogenous, play a role in lung tissue regeneration and protection.

Conclusions:

  • Stem cell-based therapies, including the administration of exogenous cells or factors activating endogenous stem cells, show promise for COPD treatment.
  • Targeting cell recognition and regeneration pathways offers a potential next-generation therapeutic approach for COPD.
  • Further research into stem cell biology and lung repair mechanisms is crucial for developing effective COPD treatments.