The enteric neural crest progressively loses capacity to form enteric nervous system

Dongcheng Zhang, Benjamin N. Rollo, N. Nagy, Lincon Stamp, Donald F. Newgreen

Research output: Contribution to journalArticle

Abstract

Cells of the vagal neural crest (NC) form most of the enteric nervous system (ENS) by a colonising wave in the embryonic gut, with high cell proliferation and differentiation. Enteric neuropathies have an ENS deficit and cell replacement has been suggested as therapy. This would be performed post-natally, which raises the question of whether the ENS cell population retains its initial ENS-forming potential with age. We tested this on the avian model in organ culture in vitro (3 days) using recipient aneural chick midgut/hindgut combined with ENS-donor quail midgut or hindgut of ages QE5 to QE10. ENS cells from young donor tissues (≤ QE6) avidly colonised the aneural recipient, but this capacity dropped rapidly 2–3 days after the transit of the ENS cell wavefront. This loss in capability was autonomous to the ENS population since a similar decline was observed in ENS cells isolated by HNK1 FACS. Using QE5, 6, 8 and 10 midgut donors and extending the time of assay to 8 days in chorio-allantoic membrane grafts did not produce ‘catch up’ colonisation. NC-derived cells were counted in dissociated quail embryo gut and in transverse sections of chick embryo gut using NC, neuron and glial marker antibodies. This showed that the decline in ENS-forming ability correlated with a decrease in proportion of ENS cells lacking both neuronal and glial differentiation markers, but there were still large numbers of such cells even at stages with low colonisation ability. Moreover, ENS cells in small numbers from young donors were far superior in colonisation ability to larger numbers of apparently undifferentiated cells from older donors. This suggests that the decline of ENS-forming ability has both quantitative and qualitative aspects. In this case, ENS cells for cell therapies should aim to replicate the embryonic ENS stage rather than using post-natal ENS stem/progenitor cells.

Original languageEnglish
JournalDevelopmental Biology
DOIs
Publication statusAccepted/In press - Jan 1 2018

Fingerprint

Enteric Nervous System
Neural Crest
Quail
Neuroglia
Stem Cells
Allantois
Intestinal Pseudo-Obstruction
Organ Culture Techniques
Differentiation Antigens

ASJC Scopus subject areas

  • Molecular Biology
  • Developmental Biology
  • Cell Biology

Cite this

The enteric neural crest progressively loses capacity to form enteric nervous system. / Zhang, Dongcheng; Rollo, Benjamin N.; Nagy, N.; Stamp, Lincon; Newgreen, Donald F.

In: Developmental Biology, 01.01.2018.

Research output: Contribution to journalArticle

Zhang, Dongcheng ; Rollo, Benjamin N. ; Nagy, N. ; Stamp, Lincon ; Newgreen, Donald F. / The enteric neural crest progressively loses capacity to form enteric nervous system. In: Developmental Biology. 2018.
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