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Nanopore sequencing reveals the roles of spermatozoal DNA N6-Methyladenine modification in mediating transgenerational lipid metabolism disorder induced by folic acid excessive consumption in chicken [RNA-seq]

ABSTRACT: Nanopore sequencing reveals the roles of spermatozoal DNA N6-Methyladenine modification in mediating transgenerational lipid metabolism disorder induced by folic acid excessive consumption in chicken [RNA-seq]

PROVIDER: PRJNA685411 | ENA |

REPOSITORIES: ENA

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Nanopore sequencing reveals the roles of spermatozoal DNA N6-Methyladenine modification in mediating transgenerational lipid metabolism disorder induced by folic acid excessive consumption in chicken [RNA-seq]

Project description:Increased consumption of folic acid is prevalent due to its beneficial effects to help protecting from genome damage. Growing evidence is emphasizing the side effects pointing to excessive dietary intake. Effects of paternal folic acid excessive consumption on the offspring and its transgenerational inheritance mechanism remain elusive. We hypothesize that the folic acid excessive consumption will alter sperm DNA N6-methyladenine (6mA) and 5-methylcytosine (5mC) methylation, and heritably influence offspring metabolic homeostasis. This is the results of mRNA sequencing part

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Project description:Nanopore sequencing reveals the roles of spermatozoal DNA N6-Methyladenine modification in mediating transgenerational lipid metabolism disorder induced by folic acid excessive consumption in chicken

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Maternal folic acid over consumption in mice leads to sex-specific transcriptional alterations in cerebral cortex in offspring

Project description:Recent concerns have been raised regarding high folate intake during pregnancy and lactation, particularly following food fortiﬁcation and increased vitamin supplement use. Epidemiologic studies have shown that high folic acid (FA) intake can negatively impact motor and neurocognitive development in offspring. We used microarray to investigate the impact of a supplemented diet containing 5-fold higher FA than recommended (5xFASD) on cerebral transcription profile in both male and female postnatal day (P) 30 pups. We also studied gene expression changes due to sex.

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Periconceptional folic acid supplementation and DNA methylation patterns in adolescents

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Project description:Food fortification of folic acid (FA) and increased use of vitamin supplements have raised concerns over high folate intake periconceptionally. We reported that diet containing 5-fold higher FA than recommended for mice (5xFASD) during pregnancy, resulted in neurobehavioral abnormalities (hyperactivity and short-term memory impairment) in newborns. Our goal was to determine the origins of these changes and the underlying mechanisms by examing potential transcription changes in E17.5 embryonic cerebrum. We used microarrays to compare the E17.5 cerebral gene expression changes by 5xFASD and indentified different transcription profiles due to diet or sex.

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A folic acid-enriched diet attenuates prostate involution in response to androgen deprivation

Project description:Folic acid is present in pre-natal vitamins, fortified cereal grains and multi-vitamin supplements. High intake of folic acid through these sources has resulted in populations with increased levels of serum folate and unmetabolized folic acid. Although the benefits of folic acid in the prevention of neural tube defects are undeniable, the impact of long-term consumption of folic acid on the prostate is not fully understood. In this study, we used a rodent model to test whether dietary folic acid (FA) supplementation changes prostate homeostasis and response to androgen deprivation. Although intact prostate weights do not differ between diet groups, we made the surprising observation that dietary folic acid supplementation confers partial resistance to castration-mediated prostate involution. More specifically, male mice that were fed a folic acid supplemented diet and then castrated had greater prostate wet weights, greater prostatic luminal epithelial cell heights, and more abundant RNAs encoding prostate secretory proteins compared to mice that were fed a control diet and castrated. We used RNA-seq to identify signaling pathways enriched in the castrated prostates from folic acid supplemented diet fed mice compared to control mice. We observed differential expression of genes involved in several metabolic pathways in the FA supplemented mice. Together, our results show that dietary FA supplementation can impact metabolism in the prostate and attenuate the prostate’s response to androgen deprivation. This has important implications for androgen deprivation therapies used in the treatment of prostate disease, as consumption of high levels of folic acid could reduce the efficacy of these treatments.

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