Background: Mesenchymal stem cell (MSC) effects can shift immune responses toward anti-inflammatory and tolerogenic phenotypes, potentially helping patients with bronchiolitis obliterans syndrome (BOS).
Methods: We evaluated the effect of infusing allogeneic MSC intravenously in 9 patients with moderate BOS refractory to standard therapy who were not candidates for retransplant, dividing them into 3 dosing groups: Group 1, 1×106 MSC/kg (n=3); Group 2, 2×106 MSC/kg (n=3); and Group 3, 4×106 MSC/kg (n=3). We recorded pulmonary function tests, laboratory variables, and serum biomarkers pre- and post-MSC infusion.
Results: These patients had significant decline in forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1) over 1 year pre-MSC infusion (mean ± SD) FVC, 3.11±0.98 L, and FEV1 1.99+0.64 L versus FVC 2.58±1.03 and FEV1 1.61±0.52 just before infusion (P<0.05); representing a mean loss of 530 mL in FVC and 374 mL in FEV1 over 12 months. One year post-MSC infusion, mean FVC and FEV1 increased to 2.66±1.01 L and 1.63±0.55 L, respectively (changes no longer significant compared to before MSC infusion). Patients in Group 1 showed elevation of tolerance-inducing T regulatory cells and increased levels of epidermal growth factor. Tolerance-inducing Th-2 cytokines increased in Groups 1 and 2. These changes were not significantly different in these small sub-groups.
Conclusion: MSC infusion appears to slow down or reverse the progressive decline in lung function in some patients with moderate BOS, possibly by inducing anti-inflammatory effects and promoting cell proliferation and angiogenesis.
Many thanks for publishing my article in your great journal and the friendly and hassle-free publication process, the constructive peer-review, the regular feedback system, and the Quick response to a...
Azab Elsayed Azab
"It was a pleasure to work with the editorial team of the journal on the submission of the manuscript. The team was professional, fast, and to the point".
NC A&T State University, USA
Moran Sciamama-Saghiv
We appreciate your approach to scholars and will encourage you to collaborate with your organization, which includes interesting and different medical journals.
With the best wishes of success, creat...
Ivano- Frankivsk National Medical University, Ukra...
Nataliya Kitsera
The Journal Clinical Nephrology provides a good opportunity for readers to stay updated in the field of clinical nephrology. Additionally - it provides a good opportunity for authors to publish their...
Assaf Harofeh Medical Center, Israel
Leonid Feldman
The services of the journal were excellent. The most important thing for an author is the speed of the peer review which was really fast here. They returned in a few days and immediately replied all o...
Eastern Mediterranean University, Cyprus
Zehra Guchan TOPCU
I wanna to thank Clinical Journal of Nursing Care and Practice for its effort to review and publish my manuscript. This is reputable journal. Thank you!
Atsedemariam Andualem
Thank you very much for your support and encouragement. I am truly impressed by your tolerance and support.
Thank you very much
Diaverum: PADC, Jeddah, Saudi Arabia
Nasrulla Abutaleb
We appreciate the fact that you decided to give us full waiver for the applicable charges and approve the final version. You did an excellent job preparing the PDF version. Of course we will consider ...
Anna Dionysopoulou
I very much appreciate the humanitarian services provided in my stead by this journal/publisher.
It exhibits total absence of editorial impertinence. As an Author, I have been guided to have a fruitf...
Chrysanthus Chukwuma
In my opinion, you provide a very fast and practical service.
HSPI: We're glad you're here. Please click "create a new Query" if you are a new visitor to our website and need further information from us.
If you are already a member of our network and need to keep track of any developments regarding a question you have already submitted, click "take me to my Query."