Intermedin/adrenomedullin 2 is associated with implantation and placentation via trophoblast invasion in human pregnancy

Dara Havemann, Meena Balakrishnan, Mostafa Borahay, Regan Theiler, Kristofer Jennings, Janice Endsley, John Phelps, Gary D V Hankins, Chandra Yallampalli, Madhu Chauhan

Research output: Contribution to journalArticle

Abstract

Rationale: Intermedin (IMD) is a novel peptide expressed in trophoblast cells inhumanplacentaand enhances the invasion, migration, and human leukocyte antigen class I, G (HLA-G) expression in first-trimester HTR-8SV/neo cells. Werecently reported that infusion of IMD antagonist in pregnant rats is detrimental to pregnancy outcome, resulting in impaired fetoplacental growth and deformed placental vasculature. Objective: This study was undertaken to assess expression of IMD and its involvement in human implantation and early placentation and assess whether its expression is altered in spontaneous abortion. Findings and Conclusions: Wedemonstrate for the first time that IMD is present in day 5 embryonic secretome; villous and decidual expression of IMD is higher at 6-8 weeks after a decline as gestation advances toward the second trimester; first-trimester spontaneous abortion is associated with a lower expression of IMD in serum, villi, and decidua; IMD stimulates the invasive capacity of first-trimester primary Extravillous cytotrophoblast cells; and IMD decreases elevated levels of tumor suppressor Kangia-1 in decidual explants from first-trimester spontaneous abortion. In conclusion, this study is the first to demonstrate a potential involvement of IMD in human embryo implantation and placental development via regulation of trophoblast invasion at the maternalfetal interface and suggests a physiological role for this novel peptide in establishment of human pregnancy.

Original languageEnglish (US)
Pages (from-to)695-703
Number of pages9
JournalJournal of Clinical Endocrinology and Metabolism
Volume98
Issue number2
DOIs
StatePublished - Feb 2013
Externally publishedYes

Fingerprint

Adrenomedullin
Placentation
Trophoblasts
First Pregnancy Trimester
Spontaneous Abortion
Pregnancy
Peptides
HLA Antigens
Rats
Tumors
Decidua
Second Pregnancy Trimester
Pregnancy Outcome
Embryonic Development
Growth
Serum
Neoplasms

ASJC Scopus subject areas

  • Biochemistry
  • Clinical Biochemistry
  • Endocrinology
  • Biochemistry, medical
  • Endocrinology, Diabetes and Metabolism

Cite this

Intermedin/adrenomedullin 2 is associated with implantation and placentation via trophoblast invasion in human pregnancy. / Havemann, Dara; Balakrishnan, Meena; Borahay, Mostafa; Theiler, Regan; Jennings, Kristofer; Endsley, Janice; Phelps, John; Hankins, Gary D V; Yallampalli, Chandra; Chauhan, Madhu.

In: Journal of Clinical Endocrinology and Metabolism, Vol. 98, No. 2, 02.2013, p. 695-703.

Research output: Contribution to journalArticle

Havemann, D, Balakrishnan, M, Borahay, M, Theiler, R, Jennings, K, Endsley, J, Phelps, J, Hankins, GDV, Yallampalli, C & Chauhan, M 2013, 'Intermedin/adrenomedullin 2 is associated with implantation and placentation via trophoblast invasion in human pregnancy', Journal of Clinical Endocrinology and Metabolism, vol. 98, no. 2, pp. 695-703. https://doi.org/10.1210/jc.2012-2172
Havemann, Dara ; Balakrishnan, Meena ; Borahay, Mostafa ; Theiler, Regan ; Jennings, Kristofer ; Endsley, Janice ; Phelps, John ; Hankins, Gary D V ; Yallampalli, Chandra ; Chauhan, Madhu. / Intermedin/adrenomedullin 2 is associated with implantation and placentation via trophoblast invasion in human pregnancy. In: Journal of Clinical Endocrinology and Metabolism. 2013 ; Vol. 98, No. 2. pp. 695-703.
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