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11.05.2022 | Technological Innovations

Apoptotic qPCR gene expression array analysis demonstrates proof-of-concept for rapid blastocoel fluid-conditioned media molecular prediction

verfasst von: Arnav Lal, Allison Kranyak, Jonathan Blalock, Deepti Athavale, Alyssa Barré, Addison Doran, T. Arthur Chang, Randal D. Robinson, Shawn Zimmerman, J. David Wininger, Lauren A. Fowler, William E. Roudebush, Renee J. Chosed

Erschienen in: Journal of Assisted Reproduction and Genetics | Ausgabe 7/2022

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Abstract

Purpose

Successful identification of transcriptomic biomarkers within human IVF embryos may enhance implantation prediction and provide insights not available through conventional embryo biopsy genomic analysis. We demonstrate proof-of-concept for a methodology to assess overall embryo gene expression using qPCR with blastocoel fluid-conditioned media by examining the comparative presence of apoptotic genes.

Methods

Blastocoel fluid-conditioned media were collected from 19 embryos (11 euploid) following trophectoderm biopsy of day-5 ICSI-IVF blastocysts. Media were assessed for apoptotic gene expression via qPCR. Statistical analysis of gene expression was conducted via Wilcoxon Signed-Ranks test (overall expression), multivariate ANOVA (functional gene groups), and chi-square test of independence (gene level).

Results

A significantly higher overall apoptotic gene expression within euploid versus aneuploid embryos (p = 0.001) was observed. There was significantly (p = 0.045) higher expression of pro-apoptotic genes between implanted and not implanted embryos. Pro- vs. anti-apoptotic gene expression from all euploid embryos approached significance (p = 0.053). The ploidy status-based claim is further substantiated at the gene level with significantly higher expression of BBC3 (p = 0.012) and BCL2L13 (p = 0.003) in euploid embryos compared to aneuploid embryos.

Conclusions

In this preliminary study, we demonstrate that (1) qualitative analysis of blastocoel fluid-conditioned media gene expression is possible, (2) global trends of expression are potentially related to clinical outcomes, and (3) gene-level expression trends exist and may be another viable metric for comparative expression between samples. The presence of statistical significance within analyses conducted with this sample size warrants a larger investigation of blastocoel fluid-conditioned media as an additional beneficial predictive tool for future IVF cases.
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Metadaten
Titel
Apoptotic qPCR gene expression array analysis demonstrates proof-of-concept for rapid blastocoel fluid-conditioned media molecular prediction
verfasst von
Arnav Lal
Allison Kranyak
Jonathan Blalock
Deepti Athavale
Alyssa Barré
Addison Doran
T. Arthur Chang
Randal D. Robinson
Shawn Zimmerman
J. David Wininger
Lauren A. Fowler
William E. Roudebush
Renee J. Chosed
Publikationsdatum
11.05.2022
Verlag
Springer US
Erschienen in
Journal of Assisted Reproduction and Genetics / Ausgabe 7/2022
Print ISSN: 1058-0468
Elektronische ISSN: 1573-7330
DOI
https://doi.org/10.1007/s10815-022-02510-3

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