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Expression analysis of the effects of methyl-donor deficient diet on male mice

ABSTRACT: BALB/c male mice were maintained for 8 weeks on a synthetic diet lacking in choline and folic acid and sacrificed 0, 2 and 6 weeks after the end of dietary restrictions. The design of this study is further described in Voutounou, M., C .D. Glen, and Y. E. 2012. The effects of methyl-donor deficiency on mutation induction and transgenerational instability in mice. Mutat. Res. 734(1):1-4 (PMID: 22569175) The pattern of gene expression in liver and kidney of mice sacrificed immediatelly after the end of dietary restrictions is significatly altered.

ORGANISM(S): Mus musculus

PROVIDER: GSE42744 | GEO | 2012/12/13

SECONDARY ACCESSION(S): PRJNA182990

REPOSITORIES: GEO

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Expression analysis of the effects of methyl-donor deficient diet on male mice (part 3)

Project description:CBA/Ca male mice were maintained for 8 weeks on a synthetic diet lacking in choline and folic acid and sacrificed 0 and 2 weeks after the end of dietary restrictions. The design of this study is further described in Voutounou, M., C .D. Glen, and Y. E. 2012. The effects of methyl-donor deficiency on mutation induction and transgenerational instability in mice. Mutat. Res. 734(1):1-4 (PMID: 22569175) The pattern of gene expression in liver of mice sacrificed immediatelly after the end of dietary restrictions is significatly altered.

2014-05-29 | GSE57523 | GEO

Expression analysis of the effects of methyl-donor deficient diet on male mice (part 1)

Project description:BALB/c and CBA/Ca male mice were maintained for 8 weeks on a synthetic diet lacking in choline and folic acid and sacrificed after the end of dietary restrictions. The design of this study is further described in Voutounou, M., C .D. Glen, and Y. E. 2012. The effects of methyl-donor deficiency on mutation induction and transgenerational instability in mice. Mutat. Res. 734(1):1-4 (PMID: 22569175) The pattern of gene expression in spleen of mice sacrificed immediatelly after the end of dietary restrictions is not significatly altered.

2014-05-29 | GSE57521 | GEO

Expression analysis of the effects of methyl-donor deficient diet on male mice

Project description:BALB/c male mice were maintained for 8 weeks on a synthetic diet lacking in choline and folic acid and sacrificed 0, 2 and 6 weeks after the end of dietary restrictions. The design of this study is further described in Voutounou, M., C .D. Glen, and Y. E. 2012. The effects of methyl-donor deficiency on mutation induction and transgenerational instability in mice. Mutat. Res. 734(1):1-4 (PMID: 22569175) The pattern of gene expression in liver and kidney of mice sacrificed immediatelly after the end of dietary restrictions is significatly altered. A ten 12x135K chip study using total RNA extracted from kidney and liver of control and treated BALB/c male mice. The expression of 42,575 genes was measured with two-fold technical redundancy.

2012-12-13 | E-GEOD-42744 | biostudies-arrayexpress

Expression analysis of the effects of methyl-donor deficient diet on male mice (part 3)

2014-05-29 | E-GEOD-57523 | biostudies-arrayexpress

Expression analysis of the effects of methyl-donor deficient diet on male mice (part 1)

2014-05-29 | E-GEOD-57521 | biostudies-arrayexpress

Expression analysis of the effects of methyl-donor deficient diet on male mice (part 2)

Project description:BALB/c male mice were maintained for 8 weeks on a synthetic diet lacking in choline and folic acid and mated with control females. Tissue samples were taken from eigth-week old male offspring of control and treated males. The design of this study is further described in Voutounou, M., C .D. Glen, and Y. E. 2012. The effects of methyl-donor deficiency on mutation induction and transgenerational instability in mice. Mutat. Res. 734(1):1-4 (PMID: 22569175) The pattern of gene expression in liver and kidney of mice sacrificed immediatelly after the end of dietary restrictions is significatly altered.

2014-05-29 | GSE57522 | GEO

Expression analysis of the effects of methyl-donor deficient diet on male mice (part 2)

2014-05-29 | E-GEOD-57522 | biostudies-arrayexpress

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.

2018-08-22 | GSE116299 | GEO

Transcription profiling by array of adipose samples from LDLR-/- mice to study response to anti-diabetic drug and dietary lifestyle interventions

Project description:Lean male mice were fed a high fat diet (HFD, lard 24% w/w) for 16 weeks. At 9 weeks, when all hallmarks of prediabetes were established, groups of mice were treated with drug (rosiglitazone, pioglitazone, T0901317, or salicylate) for another 7 weeks together with the high fat diet. An additional group was switched back to a chow diet (dietary lifestyle intervention) after the first 9 weeks of high fat diet. All groups were compared to a control group receiving HFD alone and to a reference group fed chow (baseline reference) for the entire experimental period (16 weeks). One group (n=9) remained on maintenance chow throughout the entire study period (16 weeks) and served as healthy, age-matched control. After the nine week run-in period, the HFD fed mice were matched into thirteen groups based on body weight. The first group (n=9) was sacrificed immediately after matching. The second group (n=15) was continued on HFD until the end of the experiment at t=16 weeks. The fourth group (n=9) was switched to regular chow (dietary lifestyle intervention). The other groups (each n=9) continued on HFD supplemented with drugs typically used in clinical practice. More specifically, following drugs were mixed into HFD ; rosiglitazone (0.010% w/w), pioglitazone (0.010% w/w), T0901317 (0.010% w/w) and salicylate (0.40% w/w).

2014-05-14 | E-GEOD-57659 | biostudies-arrayexpress

Dietary tryptophan and circadian rhythms in the Liver

Project description:Mice were fed a normal chow diet or a tryptophan depleted diet for two weeks under normal 12-hr light/dark cycles (LD) or in constant darkness (DD). Mice were sacrificed every 4th hour over the 24-hr circadian cycle. The liver was harvested and RNA was isolated using a standard TRIZOL protocol. The data suggest that dietary tryptophan is an important component of the diet regulating circadian homeostsis.

2023-05-30 | GSE190145 | GEO

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