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February 5, 2023

Stem cells may be used for healing damaged lungs

Thursday, 23 July 2015 / Published in Corporate News / Blog

Stem cells may be used for healing damaged lungs

lungs

Healing damaged lungs with stem cells.
A New study published by scientists from the Weizmann Institute of Science suggests that stem cells may be used for repairing damaged lung tissue. This discovery gives new hope for treating conditions like bronchitis, asthma, cystic fibrosis or emphysema, which affect more than 35 million Americans and are the second leading cause of death worldwide.
[su_spacer] Bone Marrow stem cells able to generate new lung tissue
The treatment method proposed by scientists at the Weizmann Institute  is based on the similarities between stem cells that reside in the lungs and those in bone marrow. Bone marrow stem cells, when transplanted to a patient, manage to find their way through the blood and to navigate to the designated area where they differentiate.
LungsAcknowledging the similarities between lung and bone marrow stem cells, Professor Yair Reisner of the Immunology Department of the Weizmann Institute tested the ability of lung stem cells to travel to a specific region after transplantation in mice [1]. Before introducing the bone marrow stem cells into mouse models with lung damage, the group of scientists cleared the lungs’ stem cell compartments to clear a path for the transplanted cells.
The injected stem cells managed to reach the empty lung compartments and settle in the lungs, where they differentiated into normal lung tissue,six weeks after transplantation. Results showed that new lung cells continued to be created from the transplanted stem cells 16 weeks after the implantation, ultimately  healing the damaged lungs and improving their  breathing ability.
The Weizman scientists intend to continue their research by exploring this option further, and possibly create a bank of lung stem cells that can provide cells ready to be transplanted to patients with severe respiratory diseases.
Lung-specific induced pluripotent stem cells (iPSCs)— potential alternative to bone marrow stem cells

lungs

  Mouse iPSCs generated using the microRNA method   pioneered by the Morrisey Lab. The green                       fluorescence reveals expression of the Oct4 gene,         (Image: Science Daily).

This was not the first attempt to heal damaged lungs with stem cell transplants. In a previous study, scientists from the Boston University Medical Center managed to generate 100 new lines of lung-disease specific iPSC from patients with emphysema, cystic fibrosis and other similar conditions. Results suggest that the new stem cell lines could be used for transplantation in patients suffering from lung diseases, thanks to their ability to differentiate to endoderm cells that give rise to lung tissue.
Darrell Kotton, the study’s lead author, highlighted the fact that iPSCs are easier to cultivate in lab conditions than bone marrow stem cells, and are genetically identical to the patient’s cells, so the risk of rejection in such transplants is eliminated.  The lung-specific iPSCs obtained by manipulating adult stem cells into a primitive stem cell state could solve some of the hurdles impacting other kinds of stem cell research.
In this study, scientists used  skin stem cells manipulated into primitive pluripotent stem cells, with results showing that the iPSCs have the ability to multiply and differentiate into endoderm tissue–the natural precursor of lung cells [2].
 
References:
 

  1. Chava Rosen, Elias Shezen, Anna Aronovich, Yael Zlotnikov Klionsky et al. – Preconditioning allows engraftment of mouse and human embryonic lung cells, enabling lung repair in mice, Nature Medicine, 2015, http://www.nature.com/nm/journal/vaop/ncurrent/full/nm.3889.html
  2. Aba Somers, Jyh-Chang Jean, Cesar A. Sommer, Amel Omari et al. – Generation of transgene-free lung disease-specific human induced pluripotent stem cells using a single excisable lentiviral stem cell cassette, Stem Cells, 2010, 28 (10):1728, http://onlinelibrary.wiley.com/doi/10.1002/stem.495/full

 

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5 Comments to “ Stem cells may be used for healing damaged lungs”

  1. tiosinosel.science says :Reply
    October 26, 2015 at 5:37 am

    Jim Dearing of Louisville, Ky., one of the first men in the world to receive heart stem cells , might have helped start a medical revolution that could lead to a cure for heart failure .

    1. Liz Ernst says :Reply
      January 28, 2016 at 11:16 pm

      Thank you, great comment. I believe this is the case you’re referring to: http://www.webmd.com/heart/features/stem-cells-heart-failure-heart-disease

  2. Steve says :Reply
    April 16, 2016 at 12:52 pm

    I’ve been suffering from asthma since I was born, i have trouble sleeping I’ve also lost jobs because of the days that I have missed working. I would like to offer myself for lung stem cell research study, whatever I can do to help others so they don’t have to suffer the way I do. Im tired of the frequent trips to urgent care, emergency room and getting admitted.

    1. Liz Ernst says :Reply
      April 28, 2016 at 5:12 am

      I understand that asthma can be a frightening and painful disease to live with, and I am sorry you have suffered so much. To find out about clinical trials, please call Benito Novas at +1 305 560 5337, or email him at bnovas@stemcellsgroup.com. He will be happy to help, and answer any questions you may have. Best of luck, Steve.

    2. Liz Ernst says :Reply
      April 28, 2016 at 5:26 am

      Steve, thank you for reaching out to us. I know that asthma is a particularly painful and frightening disease, and I am sorry to hear you’ve suffered so much. Please call our Miami office at 1 305 560 5337, or email Benito Novas at bnovas@stemcellsgroup.com. I hope you can get treatment and that your suffering is alleviated.

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Copyright © 2022 Stem Cells Group | All Rights Reserved

CONTACT US

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305-560-5337

info@stemcellsgroup.com

STAY CONNECTED

Get the latest news, updates, and promotions. Follow us on our social networks.

Certification issued by ISSCA and endorsed by the Universidad Autónoma del BENI: UAB and by the Atlantic International University

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