The human gastrointestinal tract, a potential autologous neural stem cell source
Cornelia Irene Hagl1, Sabine Heumüller-Klug, Elvira Wink
1Clinic of Pediatric Surgery, Medical Faculty Mannheim, University of Heidelberg Mannheim, Germany.
Plos One
|September 12, 2013
Summary
The appendix contains neural stem cells, offering a new source for regenerative medicine. This research demonstrates the potential of appendix-derived neural stem cells for treating diseases involving cell loss.
Area of Science:
- Neuroscience
- Regenerative Medicine
- Stem Cell Biology
Background:
- Stem cell therapies are promising for diseases with significant cell loss, particularly neurodegenerative conditions.
- Current neural stem cell sources are limited, and alternatives like induced pluripotent stem cells carry risks.
- Neurogenesis in the adult human enteric nervous system presents a novel avenue for stem cell sourcing.
Purpose of the Study:
- To investigate the neural stem cell potential of the human appendix.
- To explore the appendix as an accessible and autologous source for neural stem cells.
Main Methods:
- Appendix tissues from adult and pediatric donors were collected.
- Samples underwent immunohistochemistry and enteric neural progenitor cell generation.
- Generated enteric neurospheres (EnNSs) were transplanted into rat brain slices and used for differentiation.
Main Results:
- Enteric neurospheres (EnNSs) were successfully generated within 6 days in vitro.
- Both in vitro and in vivo cultures showed development of neural networks with neurons and glia.
- Immunostaining confirmed the presence of neuronal, glial, and neural stem cell markers.
Conclusions:
- The human appendix harbors a viable source of neural stem cells.
- The enteric nervous system, specifically the appendix, shows potential as an autologous stem cell source.
- Appendix-derived neural stem cells may offer a less invasive option for regenerative therapies.


