Stage-specific response in early mouse embryos exposed to prednisolone in vitro

Shubhashree Uppangala, Akshatha Daddangadi, Jeena Susan Joseph, Sujit Raj Salian, Riddhi Kirit Pandya, Guruprasad Kalthur, Satish Kumar Adiga

Research output: Contribution to journalArticlepeer-review

Abstract

Corticosteroids are increasingly being used during the peri-implantation period to treat women with repeated IVF failure and recurrent miscarriage. However, the direct effects of prednisolone (PRDL), one of the commonly used corticosteroids on early embryo development is not understood. To mimic the possible clinical scenario and to understand the embryonic response to direct PRDL exposure, this pilot study was conducted in a mouse model. Cleavage stage embryos exposed to 3 and 30 µM PRDL in vitro were assessed for peri-implantation developmental potential, genetic integrity, inner cell mass (ICM) proliferation and pluripotency markers in the proliferated ICM cells. Exposure to 30 µM PRDL delayed the embryonic progression beyond compaction (P < 0.05) in comparison to vehicle control and, had reduced total cell number (P < 0.001) than all other groups. In addition, 30 µM PRDL exposure resulted in poor hatching potential (P < 0.05) and increased apoptosis in blastocysts (P < 0.05) compared to 3 µM PRDL. On the other hand, completely formed ICM outgrowths were significantly higher (P < 0.05) in 3 µM PRDL compared to control. However, no significant differences were observed in the expression of pluripotency genes. In conclusion, the trend observed in embryos exposed to PRDL in vitro provides important information concerning the use of this drug when treating patients at the peri-implantation phase of IVF cycles. However, the clinical value of this observation on human embryo development needs further research.

Original languageEnglish
Pages (from-to)237-247
Number of pages11
JournalThe Journal of endocrinology
Volume248
Issue number2
DOIs
Publication statusPublished - 01-02-2021

All Science Journal Classification (ASJC) codes

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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