Are different markers of endometrial receptivity telling us different things about endometrial function?
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Are different markers of endometrial receptivity telling us different things about endometrial function? / Hviid Saxtorph, Malene; Persson, Gry; Hallager, Trine; Birch Petersen, Kathrine; Eriksen, Jens O.; Larsen, Lise Grupe; Macklon, Nick; Hviid, Thomas Vauvert F.
In: American Journal of Reproductive Immunology, Vol. 84, No. 6, e13323, 2020.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Are different markers of endometrial receptivity telling us different things about endometrial function?
AU - Hviid Saxtorph, Malene
AU - Persson, Gry
AU - Hallager, Trine
AU - Birch Petersen, Kathrine
AU - Eriksen, Jens O.
AU - Larsen, Lise Grupe
AU - Macklon, Nick
AU - Hviid, Thomas Vauvert F.
PY - 2020
Y1 - 2020
N2 - Problem: To what extent do endocrine, immunological, gene expression and histological markers of endometrial receptivity correlate?. Method of study: Between November 2017 and September 2019, 121 women referred to a University Hospitals Fertility Clinic consented to inclusion in this cohort study. The women underwent timed endometrial biopsy followed by blood samples in a hormone-substituted cycle. Of these, 37 women had just started IVF treatment, and the remaining 84 had experienced recurrent implantation failure following IVF/ICSI. The hormone-substituted cycle consisted of initiation with oral oestradiol followed by addition of vaginal progesterone treatment for five full days. Endometrial biopsies were subject to histological examination, immune cell markers by immunohistochemistry (CD56+, CD16+, CD163+, FoxP3) and gene expression microarray analyses with the endometrial receptivity array (ERA®) test (Igenomix). Plasma progesterone and oestradiol were measured on the day of biopsy. Results: CD56+ uterine natural killer (uNK) cell counts correlate with transcriptional markers of endometrial receptivity assessed by the ERA test. Endometrial maturation, receptivity and immunological markers were not correlated with mid-luteal blood plasma progesterone level. Mid-luteal serum oestradiol level correlated with markers of endometrial maturation and receptivity. The tests were carried out during a standard hormone substitution cycle, and the findings may not apply in the natural cycle. Conclusion: CD56+ uNK cell counts and endometrial receptivity assessed by the ERA test appear to be linked. Mid-luteal progesterone levels were not correlated to the tested markers of endometrial receptivity. In contrast, mid-luteal oestradiol level was inversely related to markers of endometrial receptivity and maturation.
AB - Problem: To what extent do endocrine, immunological, gene expression and histological markers of endometrial receptivity correlate?. Method of study: Between November 2017 and September 2019, 121 women referred to a University Hospitals Fertility Clinic consented to inclusion in this cohort study. The women underwent timed endometrial biopsy followed by blood samples in a hormone-substituted cycle. Of these, 37 women had just started IVF treatment, and the remaining 84 had experienced recurrent implantation failure following IVF/ICSI. The hormone-substituted cycle consisted of initiation with oral oestradiol followed by addition of vaginal progesterone treatment for five full days. Endometrial biopsies were subject to histological examination, immune cell markers by immunohistochemistry (CD56+, CD16+, CD163+, FoxP3) and gene expression microarray analyses with the endometrial receptivity array (ERA®) test (Igenomix). Plasma progesterone and oestradiol were measured on the day of biopsy. Results: CD56+ uterine natural killer (uNK) cell counts correlate with transcriptional markers of endometrial receptivity assessed by the ERA test. Endometrial maturation, receptivity and immunological markers were not correlated with mid-luteal blood plasma progesterone level. Mid-luteal serum oestradiol level correlated with markers of endometrial maturation and receptivity. The tests were carried out during a standard hormone substitution cycle, and the findings may not apply in the natural cycle. Conclusion: CD56+ uNK cell counts and endometrial receptivity assessed by the ERA test appear to be linked. Mid-luteal progesterone levels were not correlated to the tested markers of endometrial receptivity. In contrast, mid-luteal oestradiol level was inversely related to markers of endometrial receptivity and maturation.
KW - endometrial function
KW - endometrial maturation
KW - endometrial receptivity
KW - luteal phase
KW - uterine natural killer cells
U2 - 10.1111/aji.13323
DO - 10.1111/aji.13323
M3 - Journal article
C2 - 33245608
AN - SCOPUS:85090758366
VL - 84
JO - Early pregnancy : biology and medicine : the official journal of the Society for the Investigation of Early Pregnancy
JF - Early pregnancy : biology and medicine : the official journal of the Society for the Investigation of Early Pregnancy
SN - 1046-7408
IS - 6
M1 - e13323
ER -
ID: 248732772