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ALKBH5 promotes autophagy and progression by mediating m6A methylation of lncRNA UBOX5-AS1 in endometriosis.
Am J Physiol Cell Physiol
January 2025
Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
Long noncoding RNA (lncRNA) and N6-methyladenosine (m6A) methylation modification have recently been suggested as potential functional modulators in ovarian endometriosis, however, the function and mechanism of m6A-modified lncRNA in ovarian endometriosis remain poorly understood. In this study, we demonstrated that lncRNA UBOX5-AS1 expression was significantly elevated in ovarian endometriosis tissue and primary ectopic endometrial stromal cells. The expression of lncRNA UBOX5-AS1, which has m6A modifications, was highly positively correlated with demethylase Alk B homologous protein 5 (ALKBH5) expression and autophagy.
View Article and Find Full Text PDFExtravillous trophoblasts reverse the decidualization induced increase in matrix production by secreting TGFβ antagonists Emilin-1 and Gremlin-1.
Cells Dev
January 2025
Department of Biomedical Engineering, University of Connecticut, Storrs, CT, United States of America; Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT, United States of America; Jackson Laboratory, Farmington, CT, United States of America. Electronic address:
The maternal-fetal interface has long been considered as a frontier for an evolutionary arms race due to the close juxtaposition of genetically distinct tissues. In hemochorial species with deep placental invasion, including in humans, maternal stroma prepares its defenses against deep trophoblast invasion by decidualization, a differentiation process characterized by increased stromal cell matrix production, and contractile force generation. Decidualization has evolved from an ancestral wound healing response of fibroblast activation by the endometrial stroma.
View Article and Find Full Text PDFTIG1 triggers placental senescence in preeclampsia through LMNA/p53 axis activation.
Placenta
December 2024
Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China; Department of Obstetrics and Gynecology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China. Electronic address:
Introduction: The mechanism behind abnormal placental aging in preeclampsia (PE) is unclear. Although TIG1 is widely expressed in the human placenta, its function hasn't been well understood. Our previous study found a significant elevation of TIG1 in the placentas of PE patients.
View Article and Find Full Text PDFImmunohistochemical examination of PNAd, α4β1 integrin and MUC-2 expressions in the secretary phase endometrium of women diagnosed with recurrent implantation failure.
J Reprod Immunol
December 2024
Department of Histology and Embryology, Medical School, University of Cukurova, Adana, Turkiye.
Objective: Successful embryo implantation is contingent upon the intricate interaction between the endometrium and the blastocyst. Recurrent implantation failure (RIF) signifies the clinical challenge of failing pregnancy post-transfer of high-quality embryos, fresh or frozen, in at least three in vitro fertilization (IVF) cycles, often in women under 40 years. Recent studies identify impaired blastocyst maternal tissue communication among recurrent implantation failure causes.
View Article and Find Full Text PDFTime-series single-cell transcriptomic profiling of luteal-phase endometrium uncovers dynamic characteristics and its dysregulation in recurrent implantation failures.
Nat Commun
January 2025
Shenzhen Key Laboratory of Fertility Regulation, Reproductive Medicine Center, the University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
Understanding human endometrial dynamics in the establishment of endometrial receptivity remains a challenge, which limits early diagnosis and treatment of endometrial-factor infertility. Here, we decode the endometrial dynamics of fertile women across the window of implantation and characterize the endometrial deficiency in women with recurrent implantation failure. A computational model capable of both temporal prediction and pattern discovery is used to analyze single-cell transcriptomic data from over 220,000 endometrial cells.
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