Aberrant Expression of lncRNA ( HOXA11-AS1) and Homeobox A ( HOXA9, HOXA10, HOXA11, and HOXA13) Genes in Infertile Women With Endometriosis

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This study found lower expression of HOXA11-AS1 lncRNA and HOXA9, HOXA10, HOXA11, HOXA13 mRNA in eutopic endometria compared to ectopic endometria of women with endometriosis.

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This study compared expression of lncRNA HOXA11-AS1 and homeobox genes HOXA9, HOXA10, HOXA11, and HOXA13 between eutopic endometrium and ectopic peritoneal endometrium in 30 women undergoing laparoscopic surgery for peritoneal endometriosis, and 15 infertile women without endometriosis as controls, using real-time RT-PCR. HOXA11-AS1 and HOXA9, HOXA10, HOXA11, and HOXA13 mRNA were significantly lower in eutopic tissue than in ectopic tissue (P < .05). Within the eutopic endometrium specifically, HOXA10 and HOXA11 were significantly lower in women with peritoneal endometriosis than in controls, while HOXA11-AS1, HOXA9, and HOXA13 did not differ significantly between groups (P > .05). The paper’s main caveat is its small sample size and cross-sectional measurement of transcript levels without mechanistic testing of causality; This paper is centrally about endometriosis—specifically, altered HOXA11-AS1 and HOX gene expression in eutopic versus ectopic endometrium of women with peritoneal endometriosis-associated infertility.

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Abstract

This study aimed to study the expression of homeobox (HOX)A11-AS1 ( HOXA11 antisense RNA) long noncoding RNA (lncRNA) and the expression of homeobox A ( HOXA9, HOXA10, HOXA11, and HOXA13) genes in the eutopic (EU) and ectopic (EC) endometria of women with peritoneal endometriosis. A total of 30 women undergoing laparoscopic surgery for peritoneal endometriosis and 15 infertile women without endometriosis were enrolled in this study. Peritoneal EC tissue samples were obtained through surgery. The EU tissues were obtained by curettage. The EC and EU lncRNA and messenger RNA (mRNA) expression levels were measured using real-time reverse transcriptase-polymerase chain reaction. The HOXA11-AS1 lncRNA and HOXA9, HOXA10, HOXA11, and HOXA13 mRNA were expressed at significantly lower levels in the EU than in the EC, that is, in women with peritoneal endometriosis ( P < .05). The expression levels of HOXA10 and HOXA11 in the EU were significantly lower in women with peritoneal endometriosis compared to the control group participants ( P .05). In conclusion, the study findings suggest that HOXA11-AS1 lncRNA may play a role in the development of peritoneal endometriosis, but HOXA11-AS1 may not influence endometrial receptivity in endometriosis-associated infertility.
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Abstract

This study aimed to study the expression of homeobox (HOX)A11-ASI (HOXA11 antisense RNA) long noncoding RNA (IncRNA) and the expression of homeobox A (H0XA9, HOXAI0, HOXA11, and HOXA13) genes in the eutopic (EU) and ectopic (EC) endometria of women with peritoneal endometriosis. A total of 30 women undergoing laparoscopic surgery for peritoneal endometriosis and 15 infertile women without endometriosis were enrolled in this study. Peritoneal EC tissue samples were obtained through surgery. The EU tissues were obtained by curettage. The EC and EU IncRNA and messenger RNA (mRNA) expression levels were measured using real-time reverse transcriptase-polymerase chain reaction. The HOXA11-ASI IncRNA and H0XA9, HOXA10, HOXA11, and H0XAI3 mRNA were expressed at significantly lower levels in the EU than in the EC, that is, in women with peritoneal endometriosis (P <.05). The expression levels of HOXA10 and HOXA11 in the EU were significantly lower in women with peritoneal endometriosis compared to the control group participants (P .05). In conclusion, the study findings suggest that HOXA11-ASI IncRNA may play a role in the development of peritoneal endometriosis, but HOXA11-ASI may not influence endometrial receptivity in endometriosis-associated infertility. Similar content being viewed by others

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Aberrant Expression of IncRNA (HOXAII-ASI) and Homeobox A (HOXA9, HOXA10, HOXA11, and HOXA13) Genes in Infertile Women with Endometriosis. Reprod. Sci. 25, 654–661 (2018). https://doi.org/10.1177/1933719117734320 Published: Version of record: Issue date: DOI: https://doi.org/10.1177/1933719117734320

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Condition tags

endometriosisinfertility

MeSH descriptors

Endometriosis Endometrium Homeodomain Proteins Infertility, Female RNA, Long Noncoding Adult Endometriosis Endometriosis Endometrium Female Homeobox A10 Proteins Homeodomain Proteins Humans Infertility, Female Infertility, Female RNA, Antisense RNA, Antisense RNA, Long Noncoding RNA, Messenger RNA, Messenger

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