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Age-dependent Response of Isolated Male Germ Cells to Oxidative Stress

ABSTRACT: Male germ cells from young and aged Rats were Isolated and cultured and then treated with pro-oxidant SIN-1 and antioxidant EUK134 Study of the response of isolated male germ cells from young and aged Brown Norway Rats to oxidative stress.

ORGANISM(S): Rattus norvegicus

PROVIDER: GSE66976 | GEO | 2015/04/30

SECONDARY ACCESSION(S): PRJNA278622

REPOSITORIES: GEO

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Age-dependent Response of Isolated Male Germ Cells to Oxidative Stress

Project description:Male germ cells from young and aged Rats were Isolated and cultured and then treated with pro-oxidant SIN-1 and antioxidant EUK134 Study of the response of isolated male germ cells from young and aged Brown Norway Rats to oxidative stress. Treatment of Isolated and cultured germ cells with pro-oxidant and antioxidant.

2015-04-30 | E-GEOD-66976 | biostudies-arrayexpress

Expression data of pachytene spermatocytes and round spermatids from young and aged Brown Norway rats

Project description:Male fertility and testis function changes with age and so it was sought to determine if these changes are accompanied by changes in gene expression. A full genome microarray was used to determine if distinct pathways of genes were altered in expression in germ cells (pachytene spermatocytes or round spermatids) with age. PACH: Testes from young (4 months) and aged (18 months) Brown Norway rats were subjected to a density gradient cell separation to isolate pachytene spermatocytes. RNA was isolated from these cells for hybridization on affymetrix miroarrays. ROU: Testes from young (4 months) and aged (18 months) Brown Norway rats were subjected to a density gradient cell separation to isolate round spermatids. RNA was isolated from these cells for hybridization on affymetrix miroarrays.

2012-01-06 | E-GEOD-29963 | biostudies-arrayexpress

Single-nucleus transcriptomic sequencing of aging hypothalamus treated with 17a-estradiol

Project description:To dissect the role of 17a-estradiol in lifespan extending and its potential side effects for long-term administration, the pooled hypothalami from aging male Norway brown rats treated with 17a-estradiol for 6 months (O.T), aged male control (O), and young male control (Y) were subjected to single-nucleus transcriptomic sequencing (snRNA-seq).

2024-05-01 | GSE248413 | GEO

Single nucleus RNA-seq of rat nucleus accumbens

Project description:Single nucleus RNA-seq of nucleus accumbens from male Brown Norway rats after a single acute or repeated saline injections

2024-08-28 | GSE263307 | GEO

Transcription profiling of male rats Brown Norway and F344 reveals coordinated changes in xenobiotic metabolizing enzyme gene expression in aging

Project description:In order to gain insight into the effects of aging on susceptibility to environmental toxins, we characterized the expression of xenobiotic metabolizing enzymes (XMEs) from the livers of male Brown Norway and F344 rats across the adult lifespan. To examine metabolic processes across lifespan after challenge with a xenobiotic compound, Brown Norway rats were exposed to 1.0 g/kg body weight toluene by oral gavage in corn oil (4ml/kg body weight) or corn oil alone. Experiment Overall Design: Brown Norway rats: Analysis of gene expression profiles for XMEs in male Brown Norway rats 4, 12, and 24 months old. Rats were exposed to 1g/kg toluene by oral gavage, and sacrificed after 4 hours. Total RNA was isolated from liver samples and gene expression analyzed using Affymetrix Rat 230 2.0 full-genome GeneChips. Data from 18 samples, with three rats in each of the control age groups and dosed age groups, were analyzed. Experiment Overall Design: F344 rats: Analysis of gene expression profiles for XMEs in male F344 6, 11, 18, and 24 months old. Total RNA was isolated from liver samples and gene expression analyzed using Affymetrix Rat 230 2.0 full-genome GeneChips. Data from 16 samples, with four rats in each of the 4 age groups, were analyzed.

2008-10-20 | E-GEOD-11097 | biostudies-arrayexpress

Coordinated Changes in Xenobiotic Metabolizing Enzyme Gene Expression in Aging Male Rats: Brown Norway and F344

2008-07-30 | GSE11097 | GEO

Regional commonalities and specificities of age-related changes in hippocampal transcriptome.

Project description:The project examined age-related change in hippocampal gene expression in Fisher 344 x Brown Norway F1 rats from the NIA aging colony (Adult = 12M, Aged = 24M). CA1, CA3, and DG specific dissections were examined from one cohort of animals and from a second cohort whole hippocampus was used.

2014-04-01 | GSE55352 | GEO

Innervated and 2 month Denervated Rat EDL muscles

Project description:The right legs of 8 Brown-Norway male rats were denervated by a high sciatic nerve section in the hip region of the hind limb.Two months after denervation (6 months of age), extensor digitorum longus (EDL) muscles were removed from the operated legs. The EDL muscles from 8 age-matched non-operated rats served as innervated controls. Total RNA was isolated, labeled cDNA was prepared and hybridized to the Rat Atlas 1.2 Array II membranes (Clontech Laboratories, Palo Alto, CA). Keywords: other

2004-09-10 | GSE1741 | GEO

Effect of prenatal exposure to nicotine on kidney structure and gene expression in rats

Project description:Here, we investigated whether prenatal exposure to nicotine alters kidney glomerular mass and genome-wide gene expression profiles in two genetically distant strains of rats, namely spontaneously hypertensive rats (SHR) and Brown Norway (BN) rats. Nicotine or saline were administered to BN and SHR dams via osmotic pumps throughout gestation. Kidneys from 9-week-old male offspring were studied.

2012-12-25 | GSE29677 | GEO

Identification of cold-shock protein RBM3 as a possible regulator of skeletal muscle size

Project description:The goal of this study was to identify changes in muscle gene expression that may contribute to loss of adaptability of old muscle. Muscle atrophy was induced in young adult (6-month) and old (32-month) male Brown Norway/F344 rats by two weeks of hind limb suspension (HS) and soleus muscles were analyzed by cDNA microarrays. We conclude that a cold shock response may be part of a compensatory mechanism in muscles undergoing atrophy to preserve remaining muscle mass and that RBM3 may be a therapeutic target to prevent muscle loss.

2008-07-23 | GSE12087 | GEO

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