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Specific andextensive endometrialderegulation ispresent beforeconception inIVF/ICSI repeatedimplantation failures(IF) or recurrentmiscarriages Nathalie LedéeCarine MunautJulie Aubert2011 год

Specific and extensive endometrial deregulation is present before conception in IVF/ICSI repeated implantation failures (IF) or recurrent miscarriages
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Аннотация: The objective was to examine if IVF/ICSI repeated implantation failures (IF) or recurrent miscarriages (RM) could be related to preconceptional endometrial deregulations. IF was defined as the absence of pregnancy despite the transfer of at least ten IVF/ICSI good quality embryos, and RM as having at least three unexplained miscarriages. Fertile controls (FC) were women who had given birth at least once. Endometrial biopsy was performed in the mild luteal phase of a non-conceptual cycle (five women were selected in each group). Affymetrix chips (GeneChip Human Genome U133 Plus2.0 Array) were used for hybridization. Data were normalized by the gcRMA method, and raw p values adjusted by the Bonferroni procedure (1%). Differential expression of selected genes was analysed using real-time PCR. Gene networks and biological functions were explored using the Ingenuity Pathways Analysis software. Endometrial gene expression profiles at the time of uterine receptivity differ dramatically in the endometrium among FC, RM, and IF patients. Compared to FC, 2126 and 2477 genes are differentially expressed in IF and RM groups, respectively, and 2363 between IF and RM. In both conditions, differential gene expression referred mainly to DNA transcription and expression. Other main cellular functions deregulated in IF conditions correspond to cell morphology, cellular development, cell cycle, and cellular assembly, while in RM conditions, deregulated cellular functions relate to cell signalling (degradation of cyclic AMP and calcium metabolism) and cellular maintenance. In both conditions, there is an over-representation of deregulations related to the haematological system. In the IF condition, cell-mediated immune response and nervous system development and function are highly deregulated, while in RM patients, main deregulations are in organ and tissue development, humoral immune response, and muscular system development and function. Extensive endometrial deregulations are present before conception in patients who experienced IF or RM with both distinct and common deregulation.
Год издания: 2011
Авторы: Nathalie Ledée, Carine Munaut, Julie Aubert, Valérie Sérazin, Mona Rahmati, Gérard Chaouat, Olivier Sandra, Jean Michel Foidart
Источник: The Journal of Pathology
Ключевые слова: Reproductive System and Pregnancy, Endometriosis Research and Treatment, Pregnancy and Medication Impact
Другие ссылки: The Journal of Pathology (PDF)
The Journal of Pathology (HTML)
HAL (Le Centre pour la Communication Scientifique Directe) (HTML)
PubMed (HTML)