Regenerative Medicine as an Option for Chronic Obstructive Pulmonary Disease

Regenerative Medicine as an Option for Chronic Obstructive Pulmonary Disease

Chronic obstructive pulmonary disease (COPD) is a chronic inflammatory lung disease that causes obstructed airflow from the lungs. Affecting an estimated 15 million people in the United States alone, COPD is characterized by progressively worsening symptoms, including breathing difficulty, cough, mucus (sputum) production, and wheezing, and is most often the result of prolonged exposure to cigarette smoke.

Not just an issue for those in the U.S., COPD has been demonstrated to be a preventable and treatable global health challenge. With an estimated 3.5 million worldwide deaths attributed to COPD each year, the disease is currently the third leading cause of death.

While there have been medical advances in the treatment of COPD, these therapies focus primarily on symptomatic relief and not the reversal of lung function deterioration or improvement in patients’ quality of life.

Since stem cells are known to differentiate into a wide variety of cell types and have been previously used to regenerate lung parenchyma and airway structure, they are believed to be an evolving and promising therapeutic treatment option for those with COPD.

Supported by extensive studies exploring the mechanism of stem cells in the regulation of COPD, experts have demonstrated that stem cells possess multidirectional differentiation potential and are able to differentiate into specific forms of alveolar epithelial cells (type I and/or type II) and participate into the repair of lung tissue structure.

In this review, Chen et al. summarize the most relevant findings of eight clinical trials that explore the treatment of COPD with mesenchymal stem cells (MSCs)

These clinical trials, conducted between the years of 2009 – 2020, examined using different modes and doses of a variety of autologous or allogeneic MSCs, including bone marrow-derived stem cells (BM-MSCs), adipose tissue-derived stem cells (AD-MSCs), and umbilical cord-derived stem cells (UC-MSCs), in the treatment of COPD.

Examining the different types of MSCs used for these clinical trials, the authors conclude that while all types of MSCs have benefits in this application, AD-MSCs and UC-MSCs are very promising, primarily because the source is easily available; additionally, the process of collecting UC-MSCs is non-invasive. Looking at trends in recent clinical trials, the authors find a general increase in the shift toward using AD-MSCS and UC-MSCs and away from BM-MSCs, primarily for the reasons mentioned previously.

Analyzing results of these clinical trials related to mode, schedule, and dosage of administration, the authors found that stem cells administered intravenously into the body concentrated in the lungs for thirty minutes before gradually migrating to the liver; the inability of stem cells to keep stem cells in the lungs for a longer period of time was noted as a potential barrier that could limit the effectiveness of stem cell therapy for this condition.  

To address this concern, the authors recommend adjusting the schedule and/or mode of administration, indicating that prior research suggests multiple doses and administration via airway injection using a bronchoscope is a good way to deliver stem cells directly to the lungs. 

Chen et al. found that regardless of what type of MSCs and what mode of administration was used, stem cell therapy for the management of COPD has been proven to be safe and without evidence of any adverse events. However, only 2 of the eight clinical trials evaluated for this review demonstrated that MSCs could improve pulmonary function. The results of the other six indicated that MSCs had no effect on pulmonary function. 

Considering these findings, and in view of the small number of patients in the two clinical trials demonstrating therapeutic improvement on pulmonary function, the authors call for further research to better understand the effects of MSCs on improvements of pulmonary function.  

In closing, Chen et al. indicate that stem cell therapy may have a significant role in the future treatment of COPD and other respiratory diseases and offer a number of suggestions for future clinical trials. The recommendations provided by the authors for future clinical trials examining the therapeutic effects of MSCs when treating COPD include expanding the sample size, extending the follow-up time to a minimum of 2 years, selecting patients with different grades of COPD, considering using AD-MSCs and UC-MSCs (rather than BM-MSCs); and further exploring the effects of MSC on change in other inflammatory, immune, and metabolic indicators.  


Source: “Stem cell therapy for chronic obstructive pulmonary disease – PMC.” 15 Jun. 2021, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8280064/.

What Is the Best Treatment for COPD?

What Is the Best Treatment for COPD?

In this article, we are going to outline exactly what COPD is and the best treatment for COPD. COPD stands for chronic obstructive pulmonary disease. It is a chronic respiratory disease characterized by persistent airflow limitation that makes it difficult to breathe properly. COPD primarily affects the lungs and is usually caused by long-term exposure to irritating substances such as cigarette smoke, air pollution, and occupational dust and chemicals.

The two main conditions included under the umbrella term COPD are chronic bronchitis and emphysema:

Chronic bronchitis: This condition involves inflammation and narrowing of the airways, leading to increased production of mucus and persistent cough. Coughing and excessive mucus production typically last for at least three months per year for two consecutive years.

Emphysema: This condition involves damage to the air sacs (alveoli) in the lungs, which results in the loss of their elasticity. As a result, the air sacs are unable to fully deflate, leading to difficulty in exhaling air. This leads to air trapping in the lungs and reduced oxygen exchange.

The common symptoms of COPD include shortness of breath, chronic cough, wheezing, chest tightness, and increased mucus production. These symptoms tend to worsen over time, especially with continued exposure to respiratory irritants. COPD is a progressive disease, meaning it gradually worsens over time and can significantly impact a person’s quality of life.

Diagnosis of COPD typically involves a combination of medical history evaluation, physical examination, lung function tests (such as spirometry), and imaging tests like chest X-rays or CT scans. Early detection and diagnosis are crucial for effective management and treatment.

What Treatments Help Manage COPD?

The best treatment for chronic obstructive pulmonary disease (COPD) depends on the individual’s specific condition and its severity. COPD is a chronic respiratory disease characterized by airflow limitation and includes conditions such as chronic bronchitis and emphysema. While there is no cure for COPD, various treatment options are available to manage symptoms, improve lung function, and enhance overall quality of life. Here are some commonly used treatments:

  • Medications: Bronchodilators are frequently prescribed to relax the muscles around the airways, making breathing easier. They can be short-acting or long-acting, and examples include beta-agonists and anticholinergics. Inhaled corticosteroids may be used to reduce airway inflammation in some cases.
  • Oxygen therapy: Supplemental oxygen may be necessary if blood oxygen levels are low. Oxygen can be administered through nasal prongs, masks, or portable devices, as prescribed by a healthcare professional.
  • Pulmonary rehabilitation: This is a structured program that combines exercise training, breathing techniques, and education to improve lung function, increase exercise tolerance, and enhance quality of life. It may involve a team of healthcare professionals, such as physiotherapists, respiratory therapists, and dietitians.
  • Lifestyle changes: Quitting smoking is vital for slowing the progression of COPD. Avoiding exposure to environmental irritants, such as secondhand smoke and air pollution, is also important. Eating a healthy diet, staying physically active (within one’s limitations), and maintaining a healthy weight can support overall lung health.
  • Vaccinations: Annual flu vaccinations are recommended for individuals with COPD to prevent respiratory infections. The pneumococcal vaccine is also advised to protect against certain strains of pneumonia.
  • Surgical interventions: In severe cases of COPD, surgical options like lung volume reduction surgery (LVRS) or lung transplantation may be considered. These options are typically reserved for carefully selected individuals who meet specific criteria.

It is crucial for individuals with COPD to work closely with their healthcare providers to develop an individualized treatment plan based on their specific needs and circumstances. Regular follow-up appointments and adherence to the prescribed treatment are essential for effective management of COPD.

Regenerative Medicine for COPD

Regenerative medicine is a new area of medicine that holds potential in the field of COPD research and treatment. Regenerative medicine, also known as stem cell therapy, aims to restore, repair, or replace damaged tissues. While regenerative medicine is not currently considered traditional treatment for COPD, here are some ways it may potentially contribute to COPD management:

Stem cell therapy: Stem cells have the ability to develop into different types of cells in the body. Researchers are exploring the use of stem cell therapy, particularly mesenchymal stem cells (MSCs), as a potential treatment for COPD. MSCs have shown promise in reducing inflammation and promoting tissue repair in preclinical and early clinical studies. These stem cells can be derived from different sources, such as bone marrow or adipose tissue, and can be delivered directly into the lungs or systemically.

Mesenchymal stem cell (MSC) therapy is a potential regenerative medicine approach. MSCs are a type of adult stem cell that can differentiate into various cell types, possess anti-inflammatory properties, and have the ability to modulate the immune response. These characteristics make them attractive for potential therapeutic applications in COPD. Here’s an overview of MSC therapy for COPD:

  • Mechanisms of action: MSCs have shown several mechanisms of action that can potentially benefit individuals with COPD. They can reduce inflammation in the lungs, promote tissue repair and regeneration, modulate immune responses, and secrete factors that can enhance the local environment and support healing.
  • Sources of MSCs: MSCs can be derived from various sources, including bone marrow, adipose tissue (fat), umbilical cord tissue, and other tissues. Each source has its advantages and disadvantages, and research is ongoing to determine the most effective and safe sources of MSCs for COPD treatment.
  • Administration of MSCs: MSCs can be delivered to the lungs through different routes, including intravenous (IV) infusion, inhalation, or direct injection into the lung tissue. 
  • Research and clinical trials: Preclinical studies and early-phase clinical trials have demonstrated some promising results for MSC therapy in COPD. These studies have shown improvements in lung function, reduction in inflammation, decreased airway remodeling, and enhanced exercise capacity. 

While there is no cure for COPD, various treatment options are available to relieve symptoms, slow disease progression, and improve quality of life. These treatments often involve a combination of medications, pulmonary rehabilitation, oxygen therapy, and lifestyle modifications such as smoking cessation and avoiding respiratory irritants.

It is important for individuals with COPD to work closely with healthcare professionals to develop a personalized treatment plan and regularly monitor their condition to effectively manage COPD and minimize its impact on daily life.

Exploring the Use of Human Umbilical Cord Mesenchymal Stem Cell-derived Extracellular Vesicles to Improve Airway Inflammation in Cases of COPD

Exploring the Use of Human Umbilical Cord Mesenchymal Stem Cell-derived Extracellular Vesicles to Improve Airway Inflammation in Cases of COPD

Chronic obstructive pulmonary disease (COPD) is an incurable and debilitating disease characterized by chronic and progressive inflammation that leads to small airway obstruction and emphysema.  

According to the World Health Organization, COPD is the third leading cause of death and is responsible for an estimated 3.2 million deaths each year. Between 80 and 90% of all COPD cases are caused by exposure to cigarette smoke, meaning it is also one of the most preventable diseases.

In addition to the increased risk of death, COPD significantly affects the overall quality of life and is often associated with difficulty breathing, chronic cough, lack of energy, lung infections, lung cancer, and heart disease.

A number of stem-cell-based approaches to address this issue are currently being explored. In this study, Ridzuan et al. uses an animal model to assess the potential anti-inflammatory effects of human umbilical cord mesenchymal stem cell (hUC-MSC)-derived extracellular vesicles (EVs) in cases of COPD. 

EVs are small membrane vesicles of multivesicular bodies that are released by a variety of cells, including MSCs. Studies have demonstrated EVs isolated from MSCs mimic the therapeutic effects of MSCs.

Over the course of this study, and to mimic the symptoms observed with COPD, rats were exposed to cigarette smoke for up to 12 weeks, followed by transplantation of hUC-MSCs or application of hUC-MSC-derived EVs.

At the conclusion of this study, Ridzuan et al. found that both the transplantation of hUC-MSCs and the application of hUC-MSC-derived EVs reduced peribronchial and perivascular inflammation, slowed alveolar septal thickening, and decreased the number of goblet cells. Both applications also improved the loss of alveolar septa in the lung of COPD rats and regulated multiple pathways commonly associated with COPD.

Ridzuan et al. conclude that hUC-MSC-derived EVs effectively reduce COPD-induced inflammation and could have the potential to be a therapy for the management of COPD.

The authors also concluded that the selected treatment methods decreased the above-described symptoms at comparable rates. While there are still limited data demonstrating the regenerative and the anti-inflammatory effects of MSC-EVs to mitigate the inflammation in COPD, further study is needed to fully understand the anti-inflammatory effects of MSC-EVs and to better understand the specific mechanisms of action of all contents of MSC-EVs as they relate to the potential future treatment of COPD


Source: “Human umbilical cord mesenchymal stem cell-derived extracellular ….” 12 Jan. 2021, https://stemcellres.biomedcentral.com/articles/10.1186/s13287-020-02088-6.

How To Test Yourself for COPD

How To Test Yourself for COPD

COPD (Chronic Obstructive Pulmonary Disease) is a chronic respiratory disease that affects the lungs and makes it difficult to breathe. It is characterized by inflammation and narrowing of the airways, as well as damage to the air sacs (alveoli) in the lungs. In this article, we will discuss how to test yourself for COPD.

The two main types of COPD are chronic bronchitis and emphysema. Chronic bronchitis is a condition in which the lining of the bronchial tubes becomes inflamed, leading to a chronic cough and increased mucus production. Emphysema is a condition in which the walls of the air sacs in the lungs are damaged, reducing the amount of oxygen that can be exchanged between the lungs and the blood.

COPD is most commonly caused by long-term exposure to irritants, such as cigarette smoke, air pollution, and dust. Other risk factors include a history of respiratory infections, genetics, and age.

The signs and symptoms of COPD (Chronic Obstructive Pulmonary Disease) can develop gradually over time and may not be noticeable at first. Some common early signs of COPD may include:

  • Shortness of breath, especially during physical activity
  • Chronic cough, often producing sputum (a mixture of saliva and mucus)
  • Wheezing or a whistling sound when breathing
  • Chest tightness
  • Fatigue or lack of energy
  • Frequent respiratory infections, such as colds or flu
  • Difficulty catching your breath or feeling out of breath during everyday activities.

How Can I Test Myself For COPD?

There are different ways to test yourself for COPD (Chronic Obstructive Pulmonary Disease). Some tests that you can do at home to assess your symptoms and determine if you need to seek medical attention are:

COPD Assessment Test (CAT): This is a simple questionnaire that assesses your symptoms related to COPD, such as coughing, shortness of breath, and sputum production. The higher the score, the more severe your symptoms may be.

Modified Medical Research Council (mMRC) dyspnea scale: This scale measures your level of breathlessness during daily activities. It ranges from 0 (no breathlessness) to 4 (breathlessness even while at rest).

Spirometry: This is a lung function test that measures how much air you can breathe in and out and how quickly you can do it. This test can be done at a healthcare provider’s office, but there are also some portable spirometry devices that can be used at home.

It’s important to note that while these tests can help you assess your symptoms, they cannot provide a definitive diagnosis of COPD. Proper diagnosis can only be made by a healthcare professional after performing a comprehensive evaluation, including a physical examination, lung function tests, and medical history review.

If you have any concerns about your breathing and you are experiencing any of the above mentioned symptoms, particularly if you are a current or former smoker or have a history of exposure to lung irritants, you should speak to your healthcare provider. 

What Treatments Are There for COPD?

Early detection and treatment can help slow the progression of COPD and improve quality of life. There are several treatments available to manage COPD (Chronic Obstructive Pulmonary Disease) and improve symptoms. The treatment plan for COPD may vary depending on the severity of the condition and individual factors, such as age, overall health, and lifestyle. Here are some common treatments for COPD:

Medications: Medications are used to manage symptoms, reduce inflammation in the airways, and prevent flare-ups. Some medications used to treat COPD include bronchodilators, corticosteroids, and phosphodiesterase-4 inhibitors.

Pulmonary Rehabilitation: Pulmonary rehabilitation is a comprehensive program that includes exercise, breathing techniques, education, and counseling. It can improve lung function, reduce shortness of breath, and improve quality of life.

Oxygen Therapy: Oxygen therapy involves the use of supplemental oxygen to improve oxygen levels in the blood. It can be used during physical activity or continuously throughout the day and night.

Surgery: In severe cases of COPD, surgery may be recommended to remove damaged lung tissue or to transplant healthy lungs.

Lifestyle changes: Quitting smoking, avoiding triggers, maintaining a healthy weight, and staying active can help manage symptoms and slow down the progression of COPD.

It’s important to work with a healthcare provider to develop a personalized treatment plan for COPD. Treatment may need to be adjusted over time as the condition progresses.

Can You Manage COPD Naturally?

While there is no cure for COPD (Chronic Obstructive Pulmonary Disease), natural remedies and lifestyle changes can help manage the symptoms and improve the quality of life for people with COPD. However, it is important to note that these natural remedies may not replace medical treatment and may also need to be used in conjunction with medical therapy.

Here are some natural ways to manage COPD:

Quit Smoking: Smoking is the leading cause of COPD, and quitting smoking is the most important step in managing the condition. It can slow down the progression of the disease and improve lung function.

Exercise: Regular exercise can help improve lung function, reduce shortness of breath, and increase endurance. There are also breathing exercises patients can do. Consult your healthcare provider for a safe exercise plan.

Maintain a healthy weight: Obesity can make breathing more difficult and put extra pressure on the lungs. Maintaining a healthy weight can improve breathing and reduce the risk of other health problems.

Stay hydrated: Drinking plenty of water can help thin out mucus in the airways and make it easier to cough up.

Eat a healthy diet: A diet rich in fruits, vegetables, whole grains, and lean protein can help support the immune system and provide essential nutrients needed for overall health.

Avoid triggers: Avoiding triggers such as air pollution, secondhand smoke, and allergens can help reduce symptoms.

Manage stress: Stress can worsen COPD symptoms. Relaxation techniques such as deep breathing, yoga, or meditation can help reduce stress and improve breathing.

It’s important to talk to your healthcare provider before making any changes to your treatment plan or 

Can Regenerative Medicine Help COPD?

Regenerative medicine, also known as stem cell therapy, is a field of medicine that focuses on using the body’s own cells and tissues to promote healing and regeneration. One potential approach in regenerative medicine for COPD involves the use of mesenchymal stem cells, which have the ability to differentiate into different types of cells in the body. 

Mesenchymal stem cells (MSCs) are a type of adult stem cell that has the potential to differentiate into different types of cells, including lung cells. MSCs also have anti-inflammatory and immunomodulatory properties, which make them a potential candidate for the treatment of COPD (Chronic Obstructive Pulmonary Disease).

Research has shown that MSCs can promote tissue repair, reduce inflammation, and improve lung function and that they can differentiate into lung cells and help repair damaged lung tissue. Additionally, MSCs can secrete a variety of growth factors and cytokines that can promote tissue repair and reduce inflammation in the lungs.

Researchers continue to study the use of stem cells to regenerate damaged lung tissue and promote healing in the lungs. Several clinical trials have been conducted to investigate the safety and efficacy of stem cell therapy for COPD and have shown promising results in improving lung function and quality of life in people with COPD.

With this new emerging alternative therapy now available for patients to explore, it is important to note that regenerative medicine is not a replacement for standard medical treatment for COPD and can be another management option for patients to do in conjunction with.

Breathing Exercises for Patients with COPD

Breathing Exercises for Patients with COPD

Chronic obstructive pulmonary disease (COPD) leads to difficulty breathing, excess mucus, and chronic coughing. In addition, the feeling of being short of breath can lead to anxiety and other mental health concerns. 

Engaging in breathing exercises can expand your lung capacity, allowing for more efficient, functional breathing and offering the added benefit of calming anxiety. 

Deep Breathing

Taking the time to practice deep breathing can allow you to expel air from your lungs fully. Trapped air can cause shortness of breath, but completely releasing all the air from your lungs will help you take in the fresh air. 

Practicing deep breathing requires a few easy steps:

  • Sit or stand comfortably, slightly drawing your elbows back to open your chest
  • Deeply inhale through your nose
  • Hold the air in your lungs as you count to five
  • Slowly exhale through your nose until you fully expel all of the air

Deep breathing exercises can increase the amount of oxygen in the body, calm the central nervous system, reduce anxiety, and reduce feelings of breathlessness.

Coordinated Breathing 

Staying active and exercising is especially important for those with COPD. Exercise strengthens your breathing muscles, reduces the risk of COPD flare-ups, and helps you maintain healthy body weight. 

Coordinated breathing can help you strengthen your breath. You can practice it during both smaller daily activities like climbing stairs and more strenuous activities like lifting weights.

To practice coordinated breathing:

  • Inhale before starting your movement
  • Exhale as you complete the movement

For example, when climbing stairs, you will inhale for a count of two to three, then exhale as you ascend two to three steps. Likewise, if you’re lifting weights, you’ll inhale as you begin and exhale as you lift.

Together with other popular breathing exercises for COPD, these tools can help you control your symptoms and expand your lung capacity. 

Regenerative Medicine for COPD

Regenerative Medicine for COPD

Those afflicted with chronic obstructive pulmonary disease (COPD) struggle with persistent respiratory concerns stemming from airflow blockage and lung inflammation. Here we will discuss regenerative Medicine for COPD.

The conditions that contribute to COPD, such as emphysema and chronic bronchitis, can cause excess mucus production, frequent coughing, wheezing, or shortness of breath.

While treatments including lifestyle changes, medication, therapies, and bronchodilators can slow the disease’s progression and reduce the intensity of its symptoms, there’s no cure for the damage that COPD inflicts on the lungs. 

What Is Regenerative Medicine?

While traditional medicine often focuses on alleviating pain and controlling disease and injury symptoms, regenerative medicine, also known as stem cell therapy, focuses on each condition’s root cause.

Regenerative therapies aim to repair and restore damaged or lost tissue, typically by harnessing the body’s natural healing response.

Which Regenerative Medicine Treatments Can Benefit COPD Patients?

COPD causes less air to flow into the airways due to the following changes:

  • The lungs’ airways and air sacs lose their elasticity
  • The walls of the air sacs in the lungs are destroyed
  • Airway walls become thick, irritated, swollen, and inflamed
  • Mucus production increases, clogging the airways and reducing airflow

Regenerative treatments are designed to reverse these changes and restore lung health. The most studied and effective regenerative medicine methodologies for COPD are stem cell therapy and exosome therapy. 

Stem Cell Treatments for COPD

Stem cell therapy extracts dormant stem cells from bone marrow or adipose tissue and reintroduces those cells into damaged areas that need repair and restoration. 

Since stem cells are the body’s only cells capable of differentiating into specialized cells, like brain or lung cells, they offer a versatile option to heal and replace diseased or damaged tissue.

Mesenchymal stem cells (MSCs) have anti-inflammatory and immunomodulation properties that can reduce airway obstruction. At the same time, they work to repair and replace the alveolar epithelial cells, which exchange the gases and air in the lungs. Damaged alveolar cells diminish the resiliency of the lungs’ air sacs and airways.

Exosome Therapy for COPD

Exosomes are tiny, membrane-wrapped sacs released by healthy cells. They share and transfer information with other cells in the body. Early studies show that exosomes derived from stem cells help heal tissue. 

In preclinical studies, MSC-derived exosomes reduced inflammation, improved breathing challenges, increased stamina, and enhanced oxygen circulation. Exosome therapy can potentially improve COPD and other pulmonary conditions, including acute respiratory lung distress and post-COVID complications.

Regenerative medicine treatments can open the door to restoring the health of patients with COPD and other lung conditions. As new research continues to show the healing benefits of these treatments, many patients are already experiencing improved health. Contact us today to learn more about Regenerative Medicine for COPD!

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