Maternal regulation of embryonic growth: The role of vasoactive intestinal peptide

Catherine Y. Spong, Susan J. Lee, Susan K. McCune, Gretchen Gibney, Daniel T. Abebe, Ruben Alvero, Douglas E. Brenneman, Joanna M. Hill

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

Vasoactive intestinal peptide (VIP) is an important growth regulator of the embryonic day (E)9-E11 mouse. In comparably aged rat embryos, VIP messenger RNA (mRNA) is not detectable; however, peak concentrations of VIP in maternal rat serum indicate a nonembryonic source. In the current study, mouse maternal and embryonic tissues were examined from E6-E12. Although RT- PCR revealed VIP mRNA in E6-E7 conceptuses, by E8 (when extraembryonic tissues could be separated from the embryo), VIP mRNA was detected only in the decidua/trophoblast. Decidual/trophoblastic VIP mRNA decreased until E10, after which it was not detectable. VIP mRNA was not apparent in the embryo until E11-E12. At E9, VIP immunoreactivity was localized to abundant, diffuse cells in the decidua basalis, which were also immunoreactive for T cell markers. VIP binding sites were dense in the decidua/trophoblast at E6, but gradually decreased until E10, after which they were not apparent. VIP binding sites were detected in embryonic neuroepithelium by E9. The transient presence of VIP binding sites and mRNA in the decidua/trophoblast correlate with the critical period of VIP growth regulation, when VIP mRNA is absent in the embryo. These findings suggest that maternal lymphocytes are the source of VIP's regulating early postimplantation embryonic growth.

Original languageEnglish (US)
Pages (from-to)917-924
Number of pages8
JournalEndocrinology
Volume140
Issue number2
DOIs
StatePublished - Jan 1 1999
Externally publishedYes

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Vasoactive Intestinal Peptide
Mothers
Growth
Decidua
Messenger RNA
Trophoblasts
Embryonic Structures
Binding Sites

ASJC Scopus subject areas

  • Endocrinology

Cite this

Spong, C. Y., Lee, S. J., McCune, S. K., Gibney, G., Abebe, D. T., Alvero, R., ... Hill, J. M. (1999). Maternal regulation of embryonic growth: The role of vasoactive intestinal peptide. Endocrinology, 140(2), 917-924. https://doi.org/10.1210/endo.140.2.6481

Maternal regulation of embryonic growth : The role of vasoactive intestinal peptide. / Spong, Catherine Y.; Lee, Susan J.; McCune, Susan K.; Gibney, Gretchen; Abebe, Daniel T.; Alvero, Ruben; Brenneman, Douglas E.; Hill, Joanna M.

In: Endocrinology, Vol. 140, No. 2, 01.01.1999, p. 917-924.

Research output: Contribution to journalArticle

Spong, CY, Lee, SJ, McCune, SK, Gibney, G, Abebe, DT, Alvero, R, Brenneman, DE & Hill, JM 1999, 'Maternal regulation of embryonic growth: The role of vasoactive intestinal peptide', Endocrinology, vol. 140, no. 2, pp. 917-924. https://doi.org/10.1210/endo.140.2.6481
Spong, Catherine Y. ; Lee, Susan J. ; McCune, Susan K. ; Gibney, Gretchen ; Abebe, Daniel T. ; Alvero, Ruben ; Brenneman, Douglas E. ; Hill, Joanna M. / Maternal regulation of embryonic growth : The role of vasoactive intestinal peptide. In: Endocrinology. 1999 ; Vol. 140, No. 2. pp. 917-924.
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