Endometrial Changes
Endometrial Changes - Related Videos
08:37
Isolation of Mouse Endometrial Epithelial and Stromal Cells for In Vitro Decidualization
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Cited by 86 •
2017
This study presents a standardized and validated method for the isolation and culture of primary mouse endometrial stromal and epithelial cells, which can be used in a coculture system to study in vitro decidualization.
09:15
Two Methods for Establishing Primary Human Endometrial Stromal Cells from Hysterectomy Specimens
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Cited by 14 •
2014
Establishing primary endometrial stromal cell culture systems from hysterectomy specimens is a valuable biological technique and a crucial step prior to pursuing a vast array of research aims. Here, we describe two methods used to establish stromal cultures from surgically resected endometrial tissues of human...
03:23
Modeling Metastatic Endometrial Cancer Model: A Technique to Generate Endometrial Cancer with Lymph Node Metastasis in Rabbit Models
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2023
This video demonstrates the generation of a rabbit model of endometrial cancer by injecting a highly metastatic VX2 cell suspension into the sutured uterine horns of the rabbit. This leads to generation of primary endometrial cancer with retroperitoneal lymph node metastases.
06:24
Establishing 3D Endometrial Organoids from the Mouse Uterus
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Cited by 8 •
2023
This protocol describes methodologies to establish mouse endometrial epithelial organoids for gene expression and histological analyses.
09:20
Generation of Multicellular Human Primary Endometrial Organoids
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Cited by 37 •
2019
A protocol to generate human primary endometrial organoids that consist of epithelial and stromal cells and retain characteristics of the native endometrial tissue is presented. This protocol describes methods from uterine tissue acquisition to the histologic processing of endometrial organoids.
FAQs
Estrogen and progesterone act as coordinating signals across the cycle. Their changing levels regulate several endometrial responses at once, including tissue growth, vascularization, glandular activity, and eventual shedding. Considering these responses together is important because the lining must undergo coordinated structural and functional adjustments rather than an isolated change in thickness or gland behavior.
When ovarian hormone levels decline, the endometrium no longer receives the signals that sustain its cycle-specific structure and activity. This change initiates tissue shedding, producing menstruation, and is followed by renewal of the lining. The sequence demonstrates how hormonal withdrawal links the end of one cycle with preparation for the next.
A receptive endometrium depends on coordinated changes in its tissue structure, blood supply, and glands. Growth expands the lining, vascularization supports its organization, and glandular activity contributes to its functional state. Together, these features help create the uterine environment required for embryo implantation when fertilization occurs.
The cycle leads toward two different outcomes depending on whether pregnancy begins. When implantation may occur, the remodeled lining provides a receptive environment for the embryo. If pregnancy does not begin, declining hormone levels trigger shedding instead. This contrast connects endometrial behavior with reproductive status and explains why the cycle culminates in either support or renewal.
Studying the timing and coordination of endometrial growth, vascularization, and glandular activity provides context for implantation research. Because implantation requires a receptive uterine lining, examining these cyclical responses can help frame questions about infertility and whether disrupted tissue or hormonal responses affect the conditions needed for an embryo to implant.
Abnormal uterine bleeding can be investigated in relation to the normal sequence of endometrial growth, glandular activity, vascularization, and shedding. Understanding how ovarian hormones coordinate these events provides a biological reference for identifying disrupted hormonal or tissue responses. This makes cyclical endometrial biology relevant to research into why bleeding patterns depart from expected menstruation.
Endometrial changes show how hormonal signals can produce organized tissue-level responses within the reproductive system. Estrogen and progesterone coordinate structural remodeling and functional activity, while the presence or absence of pregnancy determines whether the lining supports implantation or undergoes shedding and renewal. This relationship makes the endometrium a useful model for studying reproductive physiology.