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The effect of progesterone treatment after ovarian induction on endometrial VEGF gene expression and its receptors in mice at pre-implantation time.

ABSTRACT: OBJECTIVES:Progestrone is a prequisite for pre-implantation angiogenesis and induce decidual angiogenesis. It is unknown the effect of progestrone administration on the endometrium of hyperstimulated mice at pre-implantation time. MATERIAL AND METHODS:Adult female NMRI mice were divided in three groups [control group, ovarian stimulated group and progestrone treated mice after ovarian stimulation]. Uterine horn samples removed at pre-implantation time in each group. Motic image Plus 2 software was used to assess the quantitative vascular parameters of endometrium. Gene expression was determined for vascular endothelial growth factor (VEGF), FMS-like tyrosine kinase (FLT) and Kinase insert domain protein receptor (FLK) genes using the real time PCR method. Data analysis was done with LinReg PCR and Rest-RG software. RESULTS:Comparison between progestrone treated mice after ovarian stimulation with control group showed that increase in rate of VEGF gene expression [0.775] and decrease in rate of FLK [6.072] and FLT [1.711] gene expression. Analysis of the data on quantitative vascular parameters were indicated remarkable increase in quantitative vascular parameters of progestrone treated mice compare to control group. CONCLUSION:Biological effect of progestrone on the vascular changes after ovarian stimulation resulted in an increase in VEGF receptors experession, it seems that induced angiogenesis by progesterone could result in better condition for implantation.

SUBMITTER: Boroujeni MB

PROVIDER: S-EPMC4834114 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature

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The effect of progesterone treatment after ovarian induction on endometrial VEGF gene expression and its receptors in mice at pre-implantation time.

Boroujeni Mandana Beigi MB Boroujeni Nasim Beigi NB Gholami Mohammadreza M

Iranian journal of basic medical sciences 20160301 3

<h4>Objectives</h4>Progestrone is a prequisite for pre-implantation angiogenesis and induce decidual angiogenesis. It is unknown the effect of progestrone administration on the endometrium of hyperstimulated mice at pre-implantation time.<h4>Material and methods</h4>Adult female NMRI mice were divided in three groups [control group, ovarian stimulated group and progestrone treated mice after ovarian stimulation]. Uterine horn samples removed at pre-implantation time in each group. Motic image Pl ...[more]

PMID: 27114794

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Project description:Uterus development during pre-implantation stage affects implantation process and embryo growth. Aberrant uterus development is associated with many human reproductive diseases. Among the factors regulating uterus development, vascular remodeling promoters are critical for uterus function and fertility. Vascular endothelial growth factor (VEGF), as one of the major members, has been found to be important in endothelial cell growth and blood vessel development, as well as in non-endothelial cells. VEGF mediation in reproduction has been broadly studied, but VEGF-induced transcriptional machinery during implantation window has not been systematically studied. In this study, a genetically repressed VEGF mouse model was used to analyze uterus transcriptome at gestation 2.5 (G2.5) by Solexa/Illumina's digital gene expression (DGE) system. A number of 831 uterus-specific and 2398 VEGF-regulated genes were identified. Gene ontology (GO) analysis indicated that genes actively involved in uterus development were members of collagen biosynthesis, cell proliferation and cell apoptosis. Uterus-specific genes were enriched in activities of phosphatidyl inositol phosphate kinase, histone H3-K36 demethylation and protein acetylation. Among VEGF-regulated genes, up-regulated were associated with RNA polymerase III activity while down-regulated were strongly related with muscle development. Comparable numbers of antisense transcripts were identified. Expression levels of the antisense transcripts were found tightly correlated with their sense expression levels, an indication of possibly non-specific transcripts generated around the active promoters and enhancers. The antisense transcripts with exceptionally high or low expression levels and the antisense transcripts under VEGF regulation were also identified. These transcripts may be important candidates in regulation of uterus development. This study provides a global survey on genes and antisense transcripts regulated by VEGF in the pre-implantation stage. Results will contribute to further study the candidate genes and pathways in regulating implantation process and related diseases.

Dataset Information

The effect of progesterone treatment after ovarian induction on endometrial VEGF gene expression and its receptors in mice at pre-implantation time.

Publications

The effect of progesterone treatment after ovarian induction on endometrial VEGF gene expression and its receptors in mice at pre-implantation time.

Similar Datasets

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