PUBLICATION

Ibuprofen slows migration and inhibits bowel colonization by enteric nervous system precursors in zebrafish, chick and mouse

Authors
Merrick Schill, E., Lake, J.I., Tusheva, O.A., Nagy, N., Bery, S.K., Foster, L., Avetisyan, M., Johnson, S.L., Stenson, W.F., Goldstein, A.M., Heuckeroth, R.O.
ID
ZDB-PUB-151121-5
Date
2016
Source
Developmental Biology   409(2): 473-88 (Journal)
Registered Authors
Goldstein, Allan, Johnson, Stephen L.
Keywords
Enteric nervous system development, Gene-environment interactions, Migration
MeSH Terms
  • Cyclooxygenase 1/deficiency
  • Cyclooxygenase 1/metabolism
  • rho-Associated Kinases/antagonists & inhibitors
  • rho-Associated Kinases/metabolism
  • rac1 GTP-Binding Protein/metabolism
  • Enzyme Activation/drug effects
  • Cyclooxygenase 2/deficiency
  • Cyclooxygenase 2/metabolism
  • Ibuprofen/pharmacology*
  • Organ Culture Techniques
  • Actin Cytoskeleton/metabolism
  • Chickens
  • Membrane Proteins/deficiency
  • Membrane Proteins/metabolism
  • Cell Proliferation/drug effects
  • PPAR gamma/metabolism
  • Cell Movement/drug effects*
  • Caspase 3/metabolism
  • Zebrafish
  • Neurons/cytology
  • Neurons/drug effects
  • Mice
  • Models, Biological
  • Pseudopodia/drug effects
  • Pseudopodia/metabolism
  • Neural Stem Cells/cytology*
  • Neural Stem Cells/drug effects
  • Cell Differentiation/drug effects
  • Enteric Nervous System/cytology*
  • NIH 3T3 Cells
  • Animals
  • Intestines/cytology*
  • Mesoderm/cytology
PubMed
26586201 Full text @ Dev. Biol.
Abstract
Hirschsprung Disease (HSCR) is a potentially deadly birth defect characterized by the absence of the enteric nervous system (ENS) in distal bowel. Although HSCR has clear genetic causes, no HSCR-associated mutation is 100% penetrant, suggesting gene-gene and gene-environment interactions determine HSCR occurrence. To test the hypothesis that certain medicines might alter HSCR risk we treated zebrafish with medications commonly used during early human pregnancy and discovered that ibuprofen caused HSCR-like absence of enteric neurons in distal bowel. Using fetal CF-1 mouse gut slice cultures, we found that ibuprofen treated enteric neural crest-derived cells (ENCDC) had reduced migration, fewer lamellipodia and lower levels of active RAC1/CDC42. Additionally, inhibiting ROCK, a RHOA effector and known RAC1 antagonist, reversed ibuprofen effects on migrating mouse ENCDC in culture. Ibuprofen also inhibited colonization of Ret+/- mouse bowel by ENCDC in vivo and dramatically reduced bowel colonization by chick ENCDC in culture. Interestingly, ibuprofen did not affect ENCDC migration until after at least three hours of exposure. Furthermore, mice deficient in Ptgs1 (COX 1) and Ptgs2 (COX 2) had normal bowel colonization by ENCDC and normal ENCDC migration in vitro suggesting COX-independent effects. Consistent with selective and strain specific effects on ENCDC, ibuprofen did not affect migration of gut mesenchymal cells, NIH3T3, or WT C57BL/6 ENCDC, and did not affect dorsal root ganglion cell precursor migration in zebrafish. Thus, ibuprofen inhibits ENCDC migration in vitro and bowel colonization by ENCDC in vivo in zebrafish, mouse and chick, but there are cell type and strain specific responses. These data raise concern that ibuprofen may increase Hirschsprung disease risk in some genetically susceptible children.
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