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TranscriptomicsThe knockdown of the maternal estrogen receptor-β2 mRNA (ers2a) affects embryo transcript contents and larval development in zebrafish
In zebrafish, vitellogenic oocytes can incorporate significant amounts of 17β-estradiol released from nearby granulosa cells according to a first-order kinetics, since the steroid low polarity ensures high permeability and affinity for yolk lipids. Estrogen bioactivity is likely, because the materna...
ORGANISM(S): Danio rerio 
2011-01-12 | E-GEOD-24934 | biostudies-arrayexpress
TranscriptomicsEffects of egg enrichment with glucocorticoid hormone, antagonist and receptor messenger in the modulation of gene expression in zebrafish (Danio rerio) embryos
Several studies have shown the presence of large reservoirs of maternally contributed liposoluble hormones in the yolk of mature teleost oocytes, such as steroid, thyroid and retinoid hormones, as found in other oviparous vertebrates. This supports the idea that maternal hormones could play a major ...
ORGANISM(S): Danio rerio 
2016-07-03 | E-GEOD-52398 | biostudies-arrayexpress
TranscriptomicsThe knockdown of maternal glucocorticoid receptor mRNA alters embryo development in zebrafish
In zebrafish, ovulated oocytes contain both cortisol deposited from the maternal circulation and maternal mRNA for the glucocorticoid receptor (gr mRNA), which is spread as granular structures throughout the central ooplasm. At the 1-cell stage (0.2 hpf), this transcript is relocated by streamers in...
ORGANISM(S): Danio rerio 
2011-11-16 | E-GEOD-25517 | biostudies-arrayexpress
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