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Journal of Endocrinological Investigation

, Volume 40, Issue 10, pp 1125–1131 | Cite as

IUGR induced by maternal chronic inflammation: long-term effect on offspring’s ovaries in rat model—a preliminary report

  • Einat Shalom-Paz
  • Sabrina Weill
  • Yuval Ginzberg
  • Nizar Khatib
  • Saja Anabusi
  • Geula Klorin
  • Edmond Sabo
  • Ron Beloosesky
Original Article

Abstract

Purpose

Excess maternal inflammation and oxidative stress while in utero have been known to affect gross fetal development. However, an association between the inflammatory process in utero and the effects on ovarian development and future fertility has not yet been demonstrated. This study focused on LPS-induced chronic inflammation in early pregnancy and its effect on ovarian development and reserves of the offspring, using a rat model. Our aim was to determine whether maternal inflammation in utero disturbs reproductive system development in the offspring, given that maternal inflammation and oxidative stress has been shown to affect gross fetal development.

Methods

Prospective case control rat model. Sprague–Dawley pregnant rats (n = 11) received intraperitoneal lipopolysaccharide (LPS group) (50 µg/kg bodyweight) or saline solution (control group) on day 14, 16, and 18 of gestation. Pups were delivered spontaneously. At 3 months, female offspring were weighed and killed. Ovaries were harvested for (1) follicle count using hematoxylin and eosin staining, (2) apoptosis: ovaries were stained for caspase, and (3) serum CRP and AMH levels were determined.

Results

Birth weights of pups were significantly lower in the LPS group compared to the control group (6.0 ± 0.6 vs. 6.6 ± 0.4 gr; P = 0.0003). The LPS group had fewer preantral follicles, and increased intensity of Caspase 3 staining (510 vs. 155.5 u; P = 0.007). AMH levels were significantly lower in the LPS group (4.15 ± 0.46 vs 6.08 ± 1.88 ng/ml; P = 0.016). There was no significant difference in the CRP and MCP-1 levels between the two groups.

Conclusions

Chronic maternal inflammation induced intrauterine growth restriction in offspring and a decrease in the proportion of follicles. This change might be due to premature apoptosis. These preliminary results suggest that maternal inflammation has a detrimental effect on the development of the female reproductive system of the offspring and thus, future fertility.

Keywords

LPS Inflammation IUGR Ovarian reserve Apoptosis AMH 

Notes

Compliance with ethical standards

Conflict of interest

All authors declare no conflict of interest.

Ethical approval

All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. All procedures performed in studies involving animals were in accordance with the ethical standards of the institution or practice at which the studies were conducted.

Informed consent

No informed consent.

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Copyright information

© Italian Society of Endocrinology (SIE) 2017

Authors and Affiliations

  • Einat Shalom-Paz
    • 1
    • 4
  • Sabrina Weill
    • 1
    • 4
  • Yuval Ginzberg
    • 2
    • 4
  • Nizar Khatib
    • 2
    • 4
  • Saja Anabusi
    • 1
    • 4
  • Geula Klorin
    • 3
    • 4
  • Edmond Sabo
    • 3
    • 4
  • Ron Beloosesky
    • 2
    • 4
  1. 1.IVF Unit, Department of Obstetrics and GynecologyHillel-Yaffe Medical CenterHaderaIsrael
  2. 2.Department of Obstetrics and GynecologyRambam Medical CenterHaifaIsrael
  3. 3.Department of PathologyRambam Medical CenterHaifaIsrael
  4. 4.Ruth and Bruce Rappaport School of MedicineThe Technion – Israel Institute of TechnologyHaifaIsrael

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