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Endometrial development and function in experimentally induced luteal phase deficiency.

Publication ,  Journal Article
Usadi, RS; Groll, JM; Lessey, BA; Lininger, RA; Zaino, RJ; Fritz, MA; Young, SL
Published in: J Clin Endocrinol Metab
October 2008

CONTEXT: It is generally assumed that delayed endometrial development observed in luteal phase deficiency (LPD) is the result of abnormally low progesterone (P) levels. This hypothesis has never been tested by direct experiment. OBJECTIVE: Our objective was to evaluate the effects of P concentrations on human endometrium. DESIGN AND SETTING: A randomized trial was conducted at an academic medical center. SUBJECTS: Twenty-nine healthy, ovulatory 18- to 35-yr-old women participated. INTERVENTION: Endometrial samples were obtained from women in natural cycles and two groups of experimentally modeled cycles. Women undergoing modeled cycles were treated with GnRH agonist and a fixed physiological dose of transdermal estradiol, followed by randomization to 10 or 40 mg daily im P administration to achieve either normal circulating luteal P or 4-fold lower P concentrations, the latter representing an experimental model of LPD. MAIN OUTCOME MEASURES: Tissue specimens, obtained after 10 days of P exposure, were analyzed by histological dating, immunohistochemistry, immunoblot, and real-time quantitative RT-PCR (qRT-PCR). RESULTS: Histological dating of endometrium, immunohistochemistry for endometrial integrins, and qRT-PCR analysis for nine putative functional markers showed no differences between the three groups. Preliminary data from Western analysis suggest that some proteins may be affected by low serum P concentrations. CONCLUSIONS: Histological endometrial dating does not reflect circulating P concentrations and cannot serve as a reliable bioassay of the quality of luteal function. Assessment of selected functional markers by either immunohistochemistry or qRT-PCR is similarly insensitive to decreased circulating P. Preliminary evidence suggests that abnormally low luteal phase serum P concentrations may have important functional consequences not otherwise detected.

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Published In

J Clin Endocrinol Metab

DOI

ISSN

0021-972X

Publication Date

October 2008

Volume

93

Issue

10

Start / End Page

4058 / 4064

Location

United States

Related Subject Headings

  • Uterine Diseases
  • Progesterone
  • Organ Size
  • Luteal Phase
  • Leuprolide
  • Humans
  • Fertility Agents, Female
  • Female
  • Estradiol
  • Endometrium
 

Citation

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Usadi, R. S., Groll, J. M., Lessey, B. A., Lininger, R. A., Zaino, R. J., Fritz, M. A., & Young, S. L. (2008). Endometrial development and function in experimentally induced luteal phase deficiency. J Clin Endocrinol Metab, 93(10), 4058–4064. https://doi.org/10.1210/jc.2008-0460
Usadi, Rebecca S., Jeremy M. Groll, Bruce A. Lessey, Ruth A. Lininger, Richard J. Zaino, Marc A. Fritz, and Steven L. Young. “Endometrial development and function in experimentally induced luteal phase deficiency.J Clin Endocrinol Metab 93, no. 10 (October 2008): 4058–64. https://doi.org/10.1210/jc.2008-0460.
Usadi RS, Groll JM, Lessey BA, Lininger RA, Zaino RJ, Fritz MA, et al. Endometrial development and function in experimentally induced luteal phase deficiency. J Clin Endocrinol Metab. 2008 Oct;93(10):4058–64.
Usadi, Rebecca S., et al. “Endometrial development and function in experimentally induced luteal phase deficiency.J Clin Endocrinol Metab, vol. 93, no. 10, Oct. 2008, pp. 4058–64. Pubmed, doi:10.1210/jc.2008-0460.
Usadi RS, Groll JM, Lessey BA, Lininger RA, Zaino RJ, Fritz MA, Young SL. Endometrial development and function in experimentally induced luteal phase deficiency. J Clin Endocrinol Metab. 2008 Oct;93(10):4058–4064.
Journal cover image

Published In

J Clin Endocrinol Metab

DOI

ISSN

0021-972X

Publication Date

October 2008

Volume

93

Issue

10

Start / End Page

4058 / 4064

Location

United States

Related Subject Headings

  • Uterine Diseases
  • Progesterone
  • Organ Size
  • Luteal Phase
  • Leuprolide
  • Humans
  • Fertility Agents, Female
  • Female
  • Estradiol
  • Endometrium