Possible Involvement of CD10 in the Development of Endometriosis Due to Its Inhibitory Effects on CD44-Dependent Cell Adhesion

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CD10, induced by progesterone in endometrial cells but not endometriotic cells, inhibits CD44-dependent cell adhesion and may contribute to endometriosis development.

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The study examined how CD10 expression is regulated in endometrial versus endometriotic stromal cells after exposure to progesterone, 17β-estradiol, and dibutyryl cAMP, and whether CD10 affects stromal cell adhesion to hyaluronan via CD44. Using cell treatments and functional adhesion assays, the authors found that progesterone, estradiol, and cAMP significantly increased CD10 expression in endometrial stromal cells but not in endometriotic stromal cells, while CD10 inhibited CD44-dependent stromal cell adhesion to hyaluronan. A key caveat is that the induction and adhesion experiments were performed in stromal cell models in vitro, so the results may not fully represent in vivo endometriosis biology. This paper is centrally about endometriosis — it links differential hormonal induction of CD10 in endometriotic stromal cells to reduced inhibition of CD44-dependent adhesion as a potential mechanism in endometriosis development.

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Abstract

A reduced response to progesterone in the eutopic endometrium with endometriosis and in endometriotic tissues is considered to be the underlying factor for endometriosis. CD10 is known to be expressed by endometrial and endometriotic stromal cells and may be induced by progestins, although the function of CD10 is not fully revealed in endometrial or endometriotic tissues. In the current study, the expression of CD10 was significantly increased by treatment of the cells with progesterone, 17β-estradiol, and dibutyryl cyclic adenosine monophosphate (cAMP) in the endometrial stromal cells. On the other hand, the expression of CD10 following treatment with progesterone, 17β-estradiol, and dibutyryl cAMP was not significantly increased in endometriotic stromal cells. The adhesion assay for endometrial and endometriotic stromal cells to hyaluronan using 5- or 6-(N-succinimidyloxycarbonyl)-fluorescein 3', 6'-diacetate-labeled cells demonstrated that the CD44-dependent adhesion of stromal cells was inhibited by CD10. As far as the induction of CD10 is concerned, the effect of progesterone was different between endometrial stromal cells and endometriotic stromal cells. CD10 might be involved in the development of endometriosis due to its influence on CD44-dependent cell adhesion.
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Abstract

A reduced response to progesterone in the eutopic endometrium with endometriosis and in endometriotic tissues is considered to be the underlying factor for endometriosis. CD10 is known to be expressed by endometrial and endometriotic stromal cells and may be induced by progestins, although the function of CD10 is not fully revealed in endometrial or endometriotic tissues. In the current study, the expression of CD10 was significantly increased by treatment of the cells with progesterone, 17β-estradiol, and dibutyryl cyclic adenosine monophosphate (cAMP) in the endometrial stromal cells. On the other hand, the expression of CD10 following treatment with progesterone, 17β-estradiol, and dibutyryl cAMP was not significantly increased in endometriotic stromal cells. The adhesion assay for endometrial and endometriotic stromal cells to hyaluronan using 5- or 6-(N-succinimidyloxycarbonyl)-fluorescein 3’, 6’-diacetate–labeled cells demonstrated that the CD44-dependent adhesion of stromal cells was inhibited by CD10. As far as the induction of CD10 is concerned, the effect of progesterone was different between endometrial stromal cells and endometriotic stromal cells. CD10 might be involved in the development of endometriosis due to its influence on CD44-dependent cell adhesion. Similar content being viewed by others

References

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endometriosis

MeSH descriptors

Cell Adhesion Cell Adhesion Endometriosis Endometrium Hyaluronan Receptors Neprilysin Stromal Cells Bucladesine Bucladesine Cells, Cultured Endometriosis Endometriosis Endometriosis Endometrium Endometrium Endometrium Endometrium Estradiol Estradiol Female

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