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J Assist Reprod Genet. 2010 Dec;27(12):701-10. doi: 10.1007/s10815-010-9471-y. Epub 2010 Sep 7.

The role of the Hoxa10/HOXA10 gene in the etiology of endometriosis and its related infertility: a review.

Author information

1
Huntington Medicina Reprodutiva, Av. República do Líbano, 529-Ibirapuera, 04501-000 São Paulo, SP, Brazil. alysson.zanatta@gmail.com

Abstract

PURPOSE:

endometriosis and its associated infertility have been the object of continuous research for over a century. To understand the molecular mechanisms underlying the disease, it has become necessary to determine the aspects of its etiology that are not explained by the retrograde menstruation theory. This could in turn elucidate how various clinical and surgical treatments might affect the evolution and remission of the disease.

METHODS:

this review is focused on the most recent clinical and laboratory findings regarding the association of HOXA10 with endometriosis and infertility.

RESULT:

the homebox (Hox/HOX) proteins are highly conserved transcription factors that determine segmental body identities in multiple species, including humans. Hoxa10/HOXA10 is directly involved in the embryogenesis of the uterus and embryo implantation via regulation of downstream genes. Cyclical endometrial expression of Hoxa10/HOXA10, with a peak of expression occurring during the window of implantation, is observed in the adult in response to estrogen and progesterone. Women with endometriosis do not demonstrate the expected mid-luteal rise of HOXA10 expression, which might partially explain the infertility observed in many of these patients. Recent studies also demonstrated HOXA10 expression in endometriotic foci outside the Müllerian tract.

CONCLUSIONS:

multiple lines of evidence suggest that the actions of the homeobox A10 (Hoxa10/HOXA10) gene could account for some aspects of endometriosis.

PMID:
20821045
PMCID:
PMC2997955
DOI:
10.1007/s10815-010-9471-y
[Indexed for MEDLINE]
Free PMC Article

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