Long-term selective estrogen receptor-beta agonist treatment modulates gene expression in bone and bone marrow of ovariectomized rats

Bernadett Balla, Miklós Sárvári, J. Kósa, Barbara Kocsis-Deák, Bálint Tobiás, Kristóf Árvai, I. Takács, J. Podaní, Z. Liposits, Péter Lakatos

Research output: Contribution to journalArticle

Abstract

Gonadal hormones including 17β-estradiol exert important protective functions in skeletal homeostasis. However, numerous details of ovarian hormone deficiency in the common bone marrow microenvironment have not yet been revealed and little information is available on the tissue-specific acts either, especially those via estrogen receptor beta (ERβ). The aim of the present study was therefore to examine the bone-related gene expression changes after ovariectomy (OVX) and long-term ERβ agonist diarylpropionitrile (DPN) administration. We found that OVX produced strong and widespread changes of gene expression in both femoral bone and bone marrow. In the bone out of 22 genes, 20 genes were up- and 2 were downregulated after OVX. It is noteworthy that DPN restored mRNA expression of 10 OVX-induced changes (Aldh2, Col1a1, Daam1, Fgf12, Igf1, Il6r, Nfkb1, Notch1, Notch2 and Psen1) suggesting a modulatory role of ERβ in bone physiology. In bone marrow, out of 37 categorized genes, transcription of 25 genes were up- and 12 were downregulated indicating that the marrow is highly responsive to gonadal hormones. DPN modestly affected transcription, only expression of two genes (Nfatc1 and Tgfb1) was restored by DPN action. The PI3K/Akt signaling pathway was the most affected gene cluster following the interventions in bone and bone marrow, as demonstrated by canonical variates analysis (CVA). We suggested that our results contribute to a deeper understanding of alterations in gene expression of bone and bone marrow niche elicited by ERβ and selective ERβ analogs.

Original languageEnglish
JournalJournal of Steroid Biochemistry and Molecular Biology
DOIs
Publication statusAccepted/In press - Jan 1 2019

Fingerprint

Estrogen Receptor beta
Gene expression
Rats
Bone
Estrogens
Bone Marrow
Gene Expression
Bone and Bones
Gonadal Hormones
Genes
Down-Regulation
Transcription
Ovariectomy
Multigene Family
Thigh
Phosphatidylinositol 3-Kinases
Estradiol
Homeostasis
Hormones
Messenger RNA

Keywords

  • Bone
  • Ovariectomy
  • Rat
  • Selective estrogen receptor beta agonist
  • Transcription

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Endocrinology
  • Clinical Biochemistry
  • Cell Biology

Cite this

Long-term selective estrogen receptor-beta agonist treatment modulates gene expression in bone and bone marrow of ovariectomized rats. / Balla, Bernadett; Sárvári, Miklós; Kósa, J.; Kocsis-Deák, Barbara; Tobiás, Bálint; Árvai, Kristóf; Takács, I.; Podaní, J.; Liposits, Z.; Lakatos, Péter.

In: Journal of Steroid Biochemistry and Molecular Biology, 01.01.2019.

Research output: Contribution to journalArticle

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AU - Balla, Bernadett

AU - Sárvári, Miklós

AU - Kósa, J.

AU - Kocsis-Deák, Barbara

AU - Tobiás, Bálint

AU - Árvai, Kristóf

AU - Takács, I.

AU - Podaní, J.

AU - Liposits, Z.

AU - Lakatos, Péter

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