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STUDY QUESTION: How does hCG signal in human endometrial stromal cells (ESCs) and what is its role in regulating ESC function? SUMMARY ANSWER: hCG signaling in ESCs activates the extracellular signal-regulated protein kinases 1 and 2 (Erk1/…
In humans, data on gonadotrophin-activated (LH, HCG and FSH) progesterone receptor expression and signalling pathways involved in matrix metalloproteinases (MMPs) expression presumably linked to the follicle rupture, are limited. Our hypoth…
The control of complement activation within embryo-endometrium environment is critical for embryo survival. Cell evasion from complement attack requires interaction of complement regulatory proteins (CRPs) with cell adhesion αvβ3 integrin. …
ObjectiveTo evaluate divalent metal transporter-1 (DMT1) expression in healthy women's and endometriosis patients' endometrium and to analyze DMT1 and ferritin light chain (Fn-L) expression modulation by iron overload and IL-1β in endometri…
ObjectiveTo evaluate the effect of iron overload on nuclear factor kappa-B (NF-κB) activation in human endometrial stromal cells (ESCs).DesignExperimental study.SettingUniversity hospital research laboratory.Patient(s)Ten healthy women.Inte…
Study question: To compare the pregnancy rate in patients submitted to FET (Frozen Embryos Transfer) of cleavage stage embryos (Group 1), or at the blastocyst stage (Group 2). Summary answer: Our data showed that the transfer of frozen blas…
OBJECTIVE: To update, analyze, and summarize the literature concerning nuclear factor-kappaB (NF-κB) participation in endometriosis pathophysiology. DESIGN: Review. RESULT(S): Nuclear factor-kappaB is physiologically activated in the huma…
ObjectiveTo evaluate nuclear factor kappaB (NF-κB) activation and NF-κB-p65 subunit activation, immunolocalization, and expression in the endometrium of healthy women and endometriosis patients throughout the menstrual cycle.DesignProspecti…
ObjectiveTo evaluate the role of nuclear factor-κB (NF-κB) in the pathogenesis of endometriosis.DesignA literature search was conducted in PubMed to identify all relevant citations.Result(s)Our findings highlight the important role of NF-κB…
Introduction: Endometriosis, defined as the growth of endometrial tissue outside \nthe uterine cavity is a common gynaecological disorder affecting 10-15% \nof women in their reproductive years. It is a major clinical problem causing in- \n…
Hydrosalpinx is usually associated with a low intrauterine pregnancy rate following restoration of tubal patency by microsurgery. The biochemical evaluation of pathologic tubes from 11 infertile patients showed the presence of estradiol (E2…
Simultaneous determinations of 17 beta-estradiol dehydrogenase activity (17 beta-HSDH) and of estradiol (E2), estrone (E1), and progesterone (P) were made in homogenates of human tubal tissue. The oviducts were obtained from 16 multi-parous…