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Updated: Apr 27, 2026
Hypoxic Preconditioning of Marrow-derived Progenitor Cells As a Source for the Generation of Mature Schwann Cells
Published on: June 14, 2017
Combined intermittent hypobaric hypoxia and muscle electro-stimulation: a method to increase circulating progenitor
Luisa Corral1, Casimiro Javierre, Juan Blasi
1Intensive Care Unit of Bellvitge University Hospital and Department of Physiological Sciences II of University of Barcelona, Feixa Llarga s/n, L'Hospitalet de Llobregat-08907, Barcelona, Spain. lcorral@bellvitgehospital.cat.
Short-term intermittent hypobaric hypoxia combined with muscle electro-stimulation did not significantly increase circulating progenitor cells (CPC). Further research is needed to understand CPC dynamics and the effects of hypoxic stimuli.
Area of Science:
- Physiology
- Cell Biology
- Altitude Medicine
Background:
- Intermittent hypobaric hypoxia (IHH) is a well-tolerated stimulus in healthy individuals.
- Muscle electro-stimulation (ME) is a potential adjunct therapy.
- Mobilization of circulating progenitor cells (CPC) is a key area of research.
Purpose of the Study:
- To investigate if IHH combined with ME can mobilize CPC.
- To determine if this combination increases CPC concentration in peripheral circulation.
Main Methods:
- Nine healthy males underwent four daily sessions of IHH (5000m equivalent) with ME.
- Blood samples were collected pre- and post-intervention over 14 days.
- A control group (CG) underwent blood sampling without IHH or ME four months later.
Main Results:
- The IHH plus ME group (HME) showed a non-significant increase in CPC CD34+ cells on day 4 post-treatment compared to CG.
- CPC levels fluctuated throughout the study period.
Conclusions:
- The study found no firm evidence for increased CPC counts after IHH plus ME.
- The physiological relevance of the observed slight increase in CPC remains unclear.
- Further studies are necessary to elucidate CPC dynamics and the effects of hypoxic stimuli.
