Dietary Soybean (Glycine max (L.) Merr.) Improved the ZP2 Expression in Female Swiss Mice

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Objective: This study aimed to determine the effects of soybean (Glycine max) administration on ZP2 expression in female mice. Methods: This research used Mus musculus, six-week-old female SWISS strain mice divided into three groups (group without soybean administration and groups with mixed feed with soybeans and pelleted 50:50 and 25:75). Soybean feed for mice was 360 grams per kilogram of mouse body weight for 2 weeks. The percentage of follicles was measured and analyzed using Hematoxylin-Eosin staining, and the expression of ZP2 was analyzed using immunohistochemistry. We assessed the data using one-way ANOVA and paired t-test using the SPSS 17. Results: Some of the follicles in the ovaries do not develop until their final stage of follicle maturation. The administration of soybean before and after treatment in all groups was not significantly different, but the numbers of atretic follicles in groups 1 and 2 were significantly dif-ferent. Soybean administration at a ratio of 50:50 has the effect of increasing the percentage of the ZP2 expression in tertiary follicles (p=0.001), whereas soybean administration at a ratio of 25:75 was not able to maintain or increase the formation of ZP2 in tertiary follicles (p=0.77). Conclusion: Soybean administration with a ratio of 50:50 significantly increased the percentage of the ZP2 expression in tertiary follicles.

Original languageEnglish
Pages (from-to)147-155
Number of pages9
JournalJornal Brasileiro de Reproducao Assistida
Issue number2
Publication statusPublished - 2023


  • immunohistochemistry
  • Mus musculus
  • ovary follicle cycle
  • soybean diet
  • ZP2 expression


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