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In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects

ABSTRACT: In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects

PROVIDER: PRJNA1177752 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR31113400_1.fastq.gz	Fastqsanger.gz
	SRR31113400_2.fastq.gz	Fastqsanger.gz
	SRR31113401_1.fastq.gz	Fastqsanger.gz
	SRR31113401_2.fastq.gz	Fastqsanger.gz
	SRR31113402_1.fastq.gz	Fastqsanger.gz

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In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects [array]

Project description:In vitro fertilization (IVF) is a non-coital method of conception used to treat infertility. Although safe, IVF has been associated with adverse outcomes in the fetus, placenta, and adult life, but studies focusing on the male reproductive system are limited. Here, we used a mouse model to assess the morphological and molecular effects of IVF on male offspring. We evaluated three developmental stages: 18.5-day fetuses and 12- and 39-week adults. Regardless of age, we observed changes in the testicular-to-body weight ratio, serum testosterone levels, testicular morphology, transcriptome, and DNA methylation. Also, sperm showed changes in morphology and DNA methylation. To assess multigenerational phenotypes, we mated IVF and naturally conceived males with wild-type females. Offspring from IVF males exhibited a decreased fetal weight-to-placental weight ratio regardless of sex. At 12-weeks-of-age, offspring showed higher body weights, differences in glucose, triglycerides, insulin, total cholesterol, HDL and LDL/VLDL levels. Both sexes showed changes in gene expression in liver, testes and ovaries, and decreased global DNA methylation. Collectively, our findings demonstrate that male IVF offspring exhibit abnormal testicular and sperm morphology and molecular alterations and transmit defects multigenerationally. These experiments contribute to our understanding of the long-term impacts of IVF on adult offspring health.

2025-03-31 | GSE280162 | GEO

In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects [RNA-Seq]

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In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects [RNA-seq II]

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In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects [array]

Project description:In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects [array]

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In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects [RNA-Seq]

Project description:In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects [RNA-Seq]

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In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects [RNA-seq II]

Project description:In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects [RNA-seq II]

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In Vitro Fertilization induces reproductive changes in male mouse offspring and has multigenerational effects

Project description:This SuperSeries is composed of the SubSeries listed below.

2025-03-31 | GSE280286 | GEO

An embryonic atrazine exposure results in reproductive dysfunction in adult zebrafish and morphological alterations in their offspring

Project description:The herbicide atrazine, a suspected endocrine disrupting chemical (EDC), frequently contaminates potable water supplies. Studies suggest alterations in the neuroendocrine system along the hypothalamus-pituitary-gonadal axis; however, most studies address either developmental, pubertal, or adulthood exposures, with few investigations regarding a developmental origins hypothesis. In this study, zebrafish were exposed to 0, 0.3, 3, or 30 parts per billion (ppb) atrazine through embryogenesis and then allowed to mature with no additional chemical exposure. Reproductive function, histopathology, hormone levels, offspring morphology, and the ovarian transcriptome were assessed. Embryonic atrazine exposure resulted in a significant increase in progesterone levels in the 3 and 30 ppb groups. A significant decrease in spawning and a significant increase in follicular atresia in the 30 ppb group were observed. In offspring, a decrease in the head length to body ratio in the 30 ppb group, along with a significant increase in head width to body ratio in the 0.3 and 3 ppb groups occurred. Transcriptomic alterations involved genes associated with endocrine system development and function, tissue development, and behavior. This study provides evidence to support atrazine as an EDC causing reproductive dysfunction and molecular alterations in adults exposed only during embryogenesis and morphological alterations in their offspring. We treated zebrafish embryos from approximately 1 hour post fertilization through 72 hours post fertilization (embryogenesis) to 0, 0.3, 3, or 30 parts per billion atrazine. Following the 72 hour exposure period, larvae were rinsed and allowed to mature under normal conditions until adulthood (5-6 months post fertilization). At this time, zebrafish were bred weekly for three weeks in order to initiate breeding cycles. Following this peroid, gonadal tissue was dissected and processed for transcriptomic analysis.

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Hepatic RNA sequence in male mice offspring conceived by in-vitro Fertilization and Frozen-thawed Embryo Transfer

Project description:Our study reported an increased risk of metabolic disorders in in-vitro Fertilization and Frozen-thawed Embryo Transfer (IVF-FET) conceived offspring compared with those born after IVF-ET. To explore the underlying mechanisms of the aberrant metabolism in male offspring conceived by IVF and FET compared with natural conceived (NC), we performed the RNA-sequencing of livers from three groups. We performed GSEA analysis. The results suggested more severe alterations in the expression of genes involved in insulin resistance pathway in the FET-chow group than that in the IVF-chow group.

2021-01-15 | GSE164819 | GEO

Multigenerational Effects of Dietary Benzo[a]pyrene Exposure on Behavior, Gene Expression, and DNA Methylation

Project description:Benzo[a]pyrene (BaP), a polycyclic aromatic hydrocarbon (PAH), is implicated in many developmental and behavioral adverse outcomes in offspring of exposed parents. Following a dietary preconceptional exposure to BaP in zebrafish, the objective of this study was to compare parental sex-dependent adverse outcomes in F1 and F2 offspring with the transcriptomic and epigenetic changes in eggs, sperm, and 10-hour post fertilization (hpf) embryos. Adult wild-type (5D) zebrafish were fed 708 µg BaP/g diet (measured) at a rate of 1% body weight twice/day (14 µg BaP/g fish/day) for 21 days. Fish were spawned using a crossover design and parental (F0) behavior and reproductive indexes measured. In offspring behavioral effects were measured at 96 hours post fertilization (hpf) in F1 & F2 larvae, and again when F1s were adult. Compared to controls, there was no significant effect of BaP exposure on adult behavior in F0, but locomotor behavior was significantly increased in F1 adults of both sexes. Larval behavior (96 hpf, photomotor response assay) was significantly altered in both the F1 and F2 generations following parental BaP exposure. To assess parental sex-dependent molecular mechanisms, BaP-mediated differential gene expression and DNA methylation changes were measured using RNAseq and RRBS, respectively, on F0 sperm and eggs and the 10 hpf embryos from all four crosses in F1 generation. Embryos resulting from the BaP male and control female cross had the most differentially methylated regions (DMRs) and differentially expressed genes. Some DMRs were associated with genes encoding chromatin modifying enzymes suggesting regulation of chromatin conformation by DNA methylation. Parental dietary BaP exposure caused persistent behavioral changes wherein the male germline contributed most significantly to the multigenerational adverse outcomes.

2022-05-26 | GSE203631 | GEO

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