Dataset Information

Transcriptome profiling of anti-mullerian hormone treated preantral/small antral mouse ovary follicles.

ABSTRACT: The predisposition for the initiation of folliculogenesis in mammals including humans is programmed to start at fetal life and continues until reproductive capacity. The follicles grow from a pool of primordial follicles which retain the major functions in the entire reproductive life of a female. Anti-müllerian hormone (AMH), a glycoprotein belonging to the transforming growth factor-beta family, has an inhibitory effect on ovarian follicle development. The key regulatory target genes in primordial follicle development are of paramount importance in reproductive biology of female. A systems biology method was used to find regulatory genes performing critical role in primordial follicle development. A complete in-depth bioinformatics analysis was performed to investigate the changes in transcriptome of preantral to small antral mouse follicles treated for 12 h and 24 h with two different concentrations; 50 and 200 ng/ml of AMH, and thereby identify candidate genes in time and concentration manner. Firstly, we found differentially expressed genes that were time and concentration dependent in response to AMH. The network analysis of these differentially expressed genes provided new candidate genes and pathways associated with inhibitory action of AMH on the primordial follicle development. To further emphasize the function of AMH, the key identified genes' protein-protein docking was analyzed and found the intracellular and extracellular protein-protein interaction. This study elucidates one of the novel mechanisms of AMH involvement in inhibition of ovarian follicle development which may lead to prolong productive life in female.

SUBMITTER: Ur Rehman Z

PROVIDER: S-EPMC6084392 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Transcriptome profiling of anti-müllerian hormone treated preantral/small antral mouse ovary follicles.

Ur Rehman Zia Z Khan Faheem Ahmad FA Farmanullah Talpur Hira Sajjad HS Liu Qing Q Liu Shenhe S Yang Liguo L

Oncotarget 20180713 54

The predisposition for the initiation of folliculogenesis in mammals including humans is programmed to start at fetal life and continues until reproductive capacity. The follicles grow from a pool of primordial follicles which retain the major functions in the entire reproductive life of a female. Anti-müllerian hormone (AMH), a glycoprotein belonging to the transforming growth factor-beta family, has an inhibitory effect on ovarian follicle development. The key regulatory target genes in primor ...[more]

PMID: 30100987

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Project description:The theca interna layer of the ovarian follicle forms during the antral stage of follicle development and lies adjacent to and directly outside the follicular basal lamina. It supplies androgens and communicates with the granulosa cells and the oocyte by extracellular signaling. To better understand developmental changes in the theca interna, we undertook transcriptome profiling of the theca interna from small (3-5 mm, n = 10) and large (9-12 mm, n = 5) healthy antral bovine follicles, representing a calculated >7-fold increase in the amount of thecal tissue. Principal Component Analysis and hierarchical classification of the signal intensity plots for the arrays showed no clustering of the theca interna samples into groups depending on follicle size or subcategories of small follicles. From the over 23,000 probe sets analysed, only 76 were differentially expressed between large and small healthy follicles. Some of the differentially expressed genes were associated with processes such as myoblast differentiation, protein ubiquitination, nitric oxide and transforming growth factor β signaling. The most significant pathway affected from our analyses was found to be Wnt signaling, which was suppressed in large follicles via down-regulation of WNT2B and up-regulation of the inhibitor FRZB. These changes in the transcriptional profile could have been due to changes in cellular function or alternatively since the theca interna is composed of a number of different cell types it could have been due to any systematic change in the volume density of any particular cell type. However, our study suggests that the transcriptional profile of the theca interna is relatively stable during antral follicle development unlike that of granulosa cells observed previously. Thus both the cellular composition and cellular behavior of the theca interna and its contribution to follicular development appear to be relatively constant throughout the follicle growth phase examined.

Dataset Information

Transcriptome profiling of anti-mullerian hormone treated preantral/small antral mouse ovary follicles.

Publications

Transcriptome profiling of anti-müllerian hormone treated preantral/small antral mouse ovary follicles.

Similar Datasets

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