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Updated: Aug 3, 2025

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Oestrogen and Vibration Improve Intervertebral Disc Cell Viability and Decrease Catabolism in Bovine Organ Cultures.

Franziska Widmayer1, Cornelia Neidlinger-Wilke1, Fiona Witz1

  • 1Institute of Orthopaedic Research and Biomechanics, University of Ulm, 89081 Ulm, Germany.

International Journal of Molecular Sciences
|April 13, 2023
PubMed
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This summary is machine-generated.

Low-magnitude, high-frequency vibration (LMHFV) may harm intervertebral discs (IVDs) in postmenopausal women. Combining LMHFV with oestrogen therapy (E2) shows protective benefits for IVDs.

Area of Science:

  • Biomedical Engineering
  • Musculoskeletal Research
  • Hormone Therapy

Background:

  • Postmenopausal women face increased risk of intervertebral disc degeneration linked to estrogen decline.
  • Low-magnitude, high-frequency vibration (LMHFV) is used for osteoporosis but its effect on intervertebral discs (IVDs) and estrogen dependency is unclear.

Purpose of the Study:

  • To investigate the effects of 17β-estradiol (E2) and LMHFV on an IVD organ culture model.
  • To determine if estrogen therapy can mitigate potential negative effects of LMHFV on intervertebral discs.

Main Methods:

  • Bovine IVDs were cultured and treated with E2, LMHFV, or a combination of E2 + LMHFV for 2 or 14 days.
  • Assessed changes in gene expression, cellularity, and matrix metabolism.
Keywords:
17β-oestradiolanabolismcatabolismintervertebral discmatrix metalloproteinasesmatrix proteinsoestrogenorgan culturevibration

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Main Results:

  • E2 treatment alone showed minor changes, except for increased matrix metalloproteinase (MMP)-3 and interleukin (IL)-6.
  • LMHFV alone led to cell loss and increased IL-6 production.
  • Combined E2 + LMHFV treatment protected against cell loss and reduced IL-6 compared to LMHFV alone.

Conclusions:

  • Estrogen therapy may offer protective benefits for intervertebral discs in postmenopausal women undergoing LMHFV.
  • The combination of estrogen and LMHFV demonstrates a potential therapeutic strategy for managing IVD health in this population.