The effects of luteinizing hormone as a suppression factor for apoptosis in bovine luteal cells in vitro

Anom Bowolaksono, Muhammad Fauzi, Ayu Mulia Sundari, Anantya Pustimbara, Retno Lestari, Abinawanto, Astari Dwiranti, Fadhillah

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5 Citations (Scopus)


The fate of the corpus luteum, a transient endocrine gland formed and degraded during an oestrous cycle, is decided by various physiological factors, such as luteinizing hormone (LH). As a stimulator of progesterone, LH is known to maintain corpus luteum functional and structural integrity by inhibiting apoptosis, a programmed cell death. Therefore, we aim to investigate its action during the mid-luteal phase hypothesized that LH suppresses the death mechanism of bovine luteal steroidogenic cells (LSC) by analysing the expression of proteins involved. Cultured bovine LSC obtained from corpus luteum were treated for 24 hr with recombinant TNF and IFNG in the presence or absence of LH. The result showed that LH proved to have a protective effect by increased cell viability (p <.05) and prevented DNA fragmentation (p <.05), as demonstrated by the WST-1 colorimetric assay and TUNEL assay. Expression analysis of mRNA and protein levels showed that LH altered the expression of BCL2 (p <.05), CASP3 (p <.05), FAS (p <.05), and BAX (p <.05) to support cell survival. In conclusion, our study suggests that LH prolongs the corpus luteum life span through the anti-apoptotic mechanism by increasing cell viability and suppressing apoptosis-related genes and protein expression.

Original languageEnglish
Pages (from-to)744-753
Number of pages10
JournalReproduction in Domestic Animals
Issue number5
Publication statusPublished - May 2021


  • apoptosis
  • corpus luteum
  • luteal steroidogenic cells
  • luteinizing hormone


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