Ovarian Cortex Fragmentation
Ovarian Cortex Fragmentation - Related Videos
08:35
Detecting Cortex Fragments During Bacterial Spore Germination
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Herein, we describe a colorimetric assay to detect the presence of reducing sugars during bacterial spore germination.
06:32
Bovine Ovarian Cortex Tissue Culture
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In vitro culture of bovine ovarian cortex and the effect of nutritional Stair-step diet on ovarian microenvironment is presented. Ovarian cortex pieces were cultured for seven days and steroids, cytokines, and follicle stages were evaluated. The Stair-Step diet treatment had increased steroidogenesis resulting in follicle progression in culture.
05:53
Vitrification of Ovarian Cortex Tissue to Achieve a Glassy State of Aggregation
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2024
A protocol for the vitrification of ovarian tissue, as an alternative cryopreservation method to the widely used slow freezing protocol, is presented.
09:25
Transplantation Into the Mouse Ovarian Fat Pad
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Cited by 7 •
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We describe an ovarian fad pad transplantation assay suitable for studies of normal and transformed epithelia of the female reproductive tract. The mouse fat pad allows transplantation of large tissue fragments, is easily accessible for surgery and imaging, and provides the most favorable native environment for tissues of Müllerian origin.
03:53
Ovarian Fat Pad Transplantation Assay: An In Vivo Technique to Introduce Cells into Ovarian Fat Pad in Mouse Models
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2023
In this video, we demonstrate an assay for transplantation of experimental cells and tissue fragments into the mouse ovarian fat pad. This method can be used to monitor cell regeneration and tumor transformation via non-invasive techniques.
FAQs
Fragmentation may activate dormant follicles by changing the mechanical environment of ovarian tissue. It may also disrupt signaling through the Hippo pathway, a regulatory system associated with follicle dormancy. This mechanistic effect is important because the approach seeks to influence follicles that remain in ovarian cortex rather than simply preserve tissue for later use.
Akt pathway stimulation represents an additional activation step that can be applied after the cortex has been fragmented. The provided context does not establish that it is required or universally effective; it identifies a possible combination with in vitro culture before transplantation. This combination is therefore being investigated as part of an experimental activation strategy.
Potential benefit depends on whether residual follicles are present and responsive to activation. The technique has been investigated particularly in diminished ovarian reserve and premature ovarian insufficiency, conditions in which follicular activity may be limited. These patient contexts help define the intended clinical population, but they do not establish that every patient will respond.
An investigated workflow begins with ovarian cortical tissue, often in the setting of ovarian tissue cryopreservation. The tissue is cut into fragments, and the fragments may undergo in vitro culture with Akt pathway stimulation. They are then considered for transplantation. The overview does not specify fragment size, culture duration, or transplant protocol.
Clinical interest centers on fertility preservation and attempted restoration of follicular activity in patients with diminished ovarian reserve or premature ovarian insufficiency. The technique has been studied alongside ovarian tissue cryopreservation, linking tissue storage with a later activation strategy. Its role remains investigational rather than an established standard for reproductive care.
Early studies suggest that ovarian cortex fragmentation may restore or stimulate follicular activity in some settings, but this signal is not equivalent to proven fertility benefit. Investigators are still evaluating effectiveness, safety, and long-term reproductive outcomes. Those unresolved endpoints are essential for determining whether the technique can move beyond experimental use.