Abstract
Purpose
Poor response to ovarian stimulation (POR) typically is reflected as decreased follicular response and low estradiol (E2) levels following ovarian stimulation by FSH/HMG. Many genes are involved in oocyte maturation, and demographic features and lifestyle can affect the oocyte maturity and developmental competence. The present study was conducted to investigate the magnitude of gene expression and lifestyle habits in POR women as compared to healthy women, using different statistical and computational methods.
Methods
Fifty women in the two groups were studied. The study groups included POR women (n = 25) with 1–9 released oocytes, and the control group (normal women, n = 25) with 9–15 released oocytes. Quantitative PCR was used to estimate the expression of FIGLA, ZAR1, WNT4, LHX8, APC, H1FOO, MOS, and DMC1 genes in granulosa cells.
Results
The results showed no significant difference in the magnitude of the studied genes’ expression and linear discriminant analysis did not differentiate the studied groups based on all the genes together. Redundancy analysis (RDA) and latent factor mixed model (LFMM) results produce no significant association between the genes’ expression magnitude and the geographical variables of the patients’ local habitat. Linear discriminant analysis (LDA) of the demographic features differentiated the two groups of women.
Conclusion
Our results indicate that demographic features may have an effect on sample gene expression levels.
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Data availability
The current study is not publicly available due to personal document confidentiality. Data are available from the corresponding author on request.
Abbreviations
- POR:
-
Poor response to ovarian stimulation
- OS:
-
Ovarian stimulation
- ART:
-
Assisted reproductive technology
- ICSI:
-
Intracytoplasmic sperm injection
- AMH:
-
Anti-mullerian hormone
- AFC:
-
Antral follicle count
- PBS:
-
Phosphate-buffered saline
- ANOVA:
-
Analysis of variance
- KEGG:
-
Kyoto Encyclopedia of Genes and Genomes
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Acknowledgements
We thank the patients for their help. We also acknowledge the Science and Research Branch, Islamic Azad University for providing a laboratory.
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ZN and AM had conventionalization of the project, ZN and SA wrote the main manuscript test, ZN did data analyses, NB, AN and, ZA collected samples and performed laboratory work.
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The project proposal was reviewed by the Ethics Committee of the Islamic Azad University, Science and Research Branch, and was approved with the ID number No. IR.IAU.SRB.REC.1400.296. Informed consent was obtained from individuals.
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The authors declare no competing interests.
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Bahrami, N., Nazari, A., Afshari, Z. et al. Gene expression and demographic analyses in women with the poor ovarian response: a computational approach. J Assist Reprod Genet 40, 2627–2638 (2023). https://doi.org/10.1007/s10815-023-02919-4
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DOI: https://doi.org/10.1007/s10815-023-02919-4