The effect of Kctd15 expression on the neural crest and sex organs in zebrafish [Dr_emb]
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ABSTRACT:
ORGANISM(S): Danio rerio
PROVIDER: GSE136449 | GEO | 2020/08/27
REPOSITORIES: GEO
Similar Datasets
Project description:Examination of which genes are affected by loss of kctd15 expression during neural crest and larval development
2020-08-27 | GSE136448 | GEO
Project description:The effect of Kctd15 expression on the neural crest and sex organs in zebrafish [Dr_emb]
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Project description:Neural cest cells are a transient stem cell-like population appearing during vertebrate embryonic development. Generation of the cranial neural crest is known to require a balanced combination of FGF and BMP levels. However, it is poorly understood how the functions of such growth factors are controlled in the extracellular spaces. Here we identifiy the extracelluar matrix protein anosmin (Gga.14976.1.S1_at, clone ChEST132d10) as a novel molecule synthesized locally in the cranial neural crest of chicken embryos. Cranial neural folds (NF) and ventral neural plates (NP) were dissected from Hamburger & Hamilton stage 8 (HH8) embryos (80 to 14 embryos, n=4), and total RNA was analyzed using a GeneChip chicken genome arrays (Affymetrix)
2012-05-31 | E-GEOD-38381 | biostudies-arrayexpress
Project description:Cells were isolated from mouse embryonic neural crest stem cells at culture day 2 (NCSC), from day 7 in vitro differentiated progeny (NCP) and day 2 epidermal neural crest stem cells from bulge explants of adult whisker follicles (EPI-NCSC). Keywords: LongSAGE embryonic neural crest stem cells at culture day 2 (NCSC), from day 7 in vitro differentiated progeny (NCP) and day 2 epidermal neural crest stem cells from bulge explants of adult whisker follicles (EPI-NCSC).
2006-04-18 | E-GEOD-4680 | biostudies-arrayexpress
Project description:Neural crest cells (NCCs) are vertebrate stem cells that give rise to various cell types throughout the developing body in early life. Here, we utilized single-cell transcriptomic analyses to delineate NCC-derivatives along the posterior developing vertebrate, zebrafish, during the late embryonic to early larval stage, a period when NCCs are actively differentiating into distinct cellular lineages. We identified several major NCC/NCC-derived cell-types including mesenchyme, neural crest, neural, neuronal, glial, and pigment, from which we resolved over three dozen cellular subtypes. We dissected gene expression signatures of pigment progenitors delineating into chromatophore lineages, mesenchyme subtypes, and enteric NCCs transforming into enteric neurons. Global analysis of NCC derivatives revealed they were demarcated by combinatorial hox gene codes, with distinct profiles within neuronal cells. From these analyses, we present a comprehensive cell-type atlas that can be utilized as a valuable resource for further mechanistic and evolutionary investigations of NCC differentiation.
2021-02-16 | GSE152906 | GEO
Project description:Mutants of zebrafish affected in neural crest development (cls/sox10, hps/erbb3, low/tfap2a, nac/mitfa, pfe/csfr1, shd/ltk, spa/kit tdo/trpm7) were compared to their wild type siblings or to wild type controls during development at 28hpf, 48hpf and 4 dpf.
2012-06-05 | E-TABM-748 | biostudies-arrayexpress
Project description:Neural crest development is orchestrated by a complex and still poorly understood gene regulatory network. Premigratory neural crest is induced at the lateral border of the neural plate by the combined action of signaling molecules and transcription factors such as AP2, Gbx2, Pax3 and Zic1. Among them, Pax3 and Zic1 are both necessary and sufficient to trigger a complete neural crest developmental program. However, their gene targets in the neural crest regulatory network remain unknown. Here, through a transcriptome analysis of frog microdissected neural border, we identified an extended gene signature for the premigratory neural crest, and we defined novel potential members of the regulatory network. This signature includes 34 novel genes, as well as 44 known genes expressed at the neural border. Using another microarray analysis which combined Pax3 and Zic1 gain-of-function and protein translation blockade, we uncovered 25 Pax3 and Zic1 direct targets within this signature. We demonstrated that the neural border specifiers Pax3 and Zic1 are direct upstream regulators of neural crest specifiers Snail1/2, Foxd3, Twist1, and Tfap2b. In addition, they may modulate the transcriptional output of multiple signaling pathways involved in neural crest development (Wnt, Retinoic Acid) through the induction of key pathway regulators (Axin2 and Cyp26c1). We also found that Pax3 could maintain its own expression through a positive autoregulatory feedback loop. These hierarchical inductions, feedback loops, and pathway modulation provide novel tools to understand the neural crest induction network. The transcriptomes of neural border samples (stage 14 and 18) were compared to the transcriptome of anterior neural fold (stage 18), early neural plate (stage 12), and animal cap explants (stage14) to identify genes expressed specifically in neural border samples. Tissue samples from Xenopus laevis embryos were dissected, then total RNA was extracted and hybridized on Affymetrix microarrays. Selected tissue samples encompass the neural crest at different stages of its induction (early neural plate at stage 12, neural border at stage 14, neural border at stage 18), as well as reference tissues (anterior neural fold at stage 18, a tissue that belongs to the neural border but does not produce neural crest, and animal cap grown until stage 14 that differentiates into epidermis).
2013-12-28 | E-GEOD-53678 | biostudies-arrayexpress
Project description:Neural cest cells are a transient stem cell-like population appearing during vertebrate embryonic development. Generation of the cranial neural crest is known to require a balanced combination of FGF and BMP levels. However, it is poorly understood how the functions of such growth factors are controlled in the extracellular spaces. Anosmin is an extracellular matrix protein implicated in FGF signaling and mutated in Kallmann syndrome. Here, we demonstrate that anosmin (Gga.14976.1.S1_at, clone ChEST132d10) is synthesized locally in the cranial neural crest of chicken embryos and is essential for cranial neural crest formation. Anosmin upregulates FGF8 and BMP5 gene expression; it also enhances FGF8 activity while inhibiting BMP5 and WNT3a signaling. Taken together, our data establish that the matrix protein anosmin is required for cranial neural crest formation, with funtional modulation of FGF, BMP, and WNT.
2012-06-01 | GSE38381 | GEO