Results 1 to 10 of about 147,517 (168)

Transcriptome comparisons detect new genes associated with apoptosis of cattle and buffaloes preantral follicles [PDF]

open access: yesJournal of Genetic Engineering and Biotechnology, 2021
Background To develop new breeding technology to improve the breeding ability of bovine, it is the development trend to find the main reason for the occurrence of atresia in these organisms.
Khairy Mohamed Zoheir   +3 more
doaj   +3 more sources

Single-cell transcriptome and cell-specific network analysis reveal the reparative effect of neurotrophin-4 in preantral follicles grown in vitro [PDF]

open access: yesReproductive Biology and Endocrinology, 2021
Background In-vitro-grow (IVG) of preantral follicles is essential for female fertility preservation, while practical approach for improvement is far from being explored.
Yingchun Guo   +8 more
doaj   +3 more sources

Spatial distribution of preantral follicles in the equine ovary. [PDF]

open access: yesPLoS ONE, 2018
Comprehensive studies on spatial distribution of preantral follicles in the ovary are scarce. Considering that preantral follicles represent the main ovarian reserve, harvesting of these follicles is crucial for the development/use of assisted ...
Benner G Alves   +5 more
doaj   +3 more sources

Microencapsulation and nanowarming enables vitrification cryopreservation of mouse preantral follicles. [PDF]

open access: yesNat Commun, 2022
Preantral follicles are often used as models for cryopreservation and in vitro culture due to their easy availability. As a promising approach for mammalian fertility preservation, vitrification of preantral follicles requires high concentrations of ...
Tian C   +5 more
europepmc   +2 more sources

Mind the mechanical strength: tailoring a 3D matrix to encapsulate isolated human preantral follicles. [PDF]

open access: yesHum Reprod Open, 2023
STUDY QUESTION Would a hydrogel with similar mechanical properties to the human ovarian cortex support preantral follicle development? SUMMARY ANSWER Yes, our tailored PEGylated fibrin hydrogel was shown to significantly improve follicle growth in vitro.
Dadashzadeh A   +4 more
europepmc   +2 more sources

Effects of IGF-1 on the Three-Dimensional Culture of Ovarian Preantral Follicles and Superovulation Rates in Mice. [PDF]

open access: yesBiology (Basel), 2022
Simple Summary In this experiment, mouse secondary follicles were cultured in the three-dimensional culture system of alginate gel with different concentrations of IGF-1.
Dai S, Zhang H, Yang F, Shang W, Zeng S.
europepmc   +2 more sources

Alteration of TGFB1, GDF9, and BMPR2 gene expression in preantral follicles of an estradiol valerate-induced polycystic ovary mouse model can lead to anovulation, polycystic morphology, obesity, and absence of hyperandrogenism. [PDF]

open access: yesClin Exp Reprod Med, 2021
Objective In humans, polycystic ovary syndrome (PCOS) is an androgen-dependent ovarian disorder. Aberrant gene expression in folliculogenesis can arrest the transition of preantral to antral follicles, leading to PCOS.
Asghari R   +6 more
europepmc   +2 more sources

The Mare Model to Study the Effects of Ovarian Dynamics on Preantral Follicle Features. [PDF]

open access: yesPLoS ONE, 2016
Ovarian tissue collected by biopsy procedures allows the performance of many studies with clinical applications in the field of female fertility preservation.
Kele A Alves   +7 more
doaj   +5 more sources

The optimized research of the in vitro culture of preantral follicles in mice. [PDF]

open access: yesJ Clin Lab Anal, 2020
Efficiency of preantral follicle culture in vitro is low and is dependent on species, development stage, and follicle‐stimulating hormone (FSH) concentration. Here, we optimized the preantral follicle in vitro culture system in mice.
Wang X   +7 more
europepmc   +2 more sources

Applicability of Hyaluronic Acid-Alginate Hydrogel and Ovarian Cells for In Vitro Development of Mouse Preantral Follicles. [PDF]

open access: yesCell J, 2020
Objective In the present study, the applicability of hyaluronic acid-alginate (HAA) hydrogel and ovarian cells (OCs) for the culture of mouse ovarian follicles were investigated and compared with those of alginate (ALG) and fibrin-alginate (FA) hydrogels.
Jamalzaei P   +3 more
europepmc   +2 more sources

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