Journal of Assisted Reproduction and Genetics

, Volume 35, Issue 9, pp 1703–1712 | Cite as

Evidence for expression and functionality of FSH and LH/hCG receptors in human endometrium

  • Sandro Sacchi
  • Paola Sena
  • Chiara Degli Esposti
  • Jessica Lui
  • Antonio La MarcaEmail author
Reproductive Physiology and Disease



Follicle-stimulating hormone (FSH) and luteinizing hormone (LH) mediate intracellular functions by binding their specific protein G-coupled gonadotrophin receptor, respectively FSH receptor (FSHR) and LH/choriogonadotrophin receptor (LHCGR). Whereas the expression of FSHR and LHCGR in mammals was considered gonad-specific and cell-specific, studies identified gonadotrophin receptors in human female extragonadal reproductive tissues. This study aims to demonstrate that gonadotrophin receptors are expressed in endometrium and mediates intracellular functions.


Collected endometria (n = 12) from healthy patients (mean age of 36 ± 6) were primary cultured for 24 h. The presence of gonadotrophin receptors was evaluated by RT-PCR followed by the sequencing of the resulted amplicons and by immunohistochemistry in original samples. Endometrial primary cultures were treated with increasing concentration (range 0–100 ng/ml) of either recombinant human LH (rhLH) or recombinant human FSH (rhFSH). Endometria controls had gonadotrophin replaced by the same volume of the culture medium. In gonadotrophin-treated samples, it was evaluated the intracellular cyclic adenosine monophosphate (cAMP) content by enzymatic immunoassay and the expression of steroidogenic genes by reverse transcriptase-quantitative polymerase chain reaction (RT-qPCR).


The sequencing of the RT-PCR amplicons confirmed the presence of both gonadotrophin receptors and immunohistochemistry localized them on the membrane of endometrial glands cells throughout the glandular epithelium. The gonadotrophin-receptor complex was able to increase the intracellular cAMP in a dose-response and time-course manner and to induce steroidogenic genes expression.


This study demonstrates that both gonadotrophin receptors are expressed along the glandular epithelium of endometria and they mediate the effects of gonadotrophins on intracellular functions.


FSHR LHCGR Endometrium Gonadotrophin Steroidogenic genes 



We are deeply grateful to Prof. Franchini Antonella (Life Science Department of the University of Modena and Reggio Emilia) for her patience, advices, and in providing assistance with the samples preparation for immunohistochemistry and to Prof. Malagoli Davide (Life Science Department of the University of Modena and Reggio Emilia) for providing the IPLB-LdFB Lymantria dispar (Lepidoptera) cell line.

Compliance with ethical standards

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

10815_2018_1248_MOESM1_ESM.docx (275 kb)
ESM 1 Lines 1–6 refer to samples of original endometria recovered from six different patients. M, DNA standard ladder (DOCX 274 kb)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Sandro Sacchi
    • 1
  • Paola Sena
    • 2
  • Chiara Degli Esposti
    • 1
  • Jessica Lui
    • 1
  • Antonio La Marca
    • 1
    Email author
  1. 1.Mother-Infant Department, Institute of Obstetrics and GynecologyUniversity of Modena and Reggio Emilia and Clinica Eugin ModenaModenaItaly
  2. 2.Department of Biomedical, Metabolic and Neural Sciences, Section of Human MorphologyUniversity of Modena and Reggio EmiliaModenaItaly

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