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Gender specific comparisons of gene expression during Zebrafish pectoral fin regeneration

ABSTRACT: To identify gender specific differences in gene expression during fin rgeneration, pectoral fins were amputated from both male and female adult fish. Fins were allowed to recover for 4 days in standard tank condtions then tissue was collected for RNA isolation and microarray analysis

ORGANISM(S): Danio rerio

PROVIDER: GSE31871 | GEO | 2011/09/03

SECONDARY ACCESSION(S): PRJNA145067

REPOSITORIES: GEO

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Gender specific comparisons of gene expression during Zebrafish pectoral fin regeneration

Project description:To identify gender specific differences in gene expression during fin rgeneration, pectoral fins were amputated from both male and female adult fish. Fins were allowed to recover for 4 days in standard tank condtions then tissue was collected for RNA isolation and microarray analysis Pooled samples from male and females, injured and uninjured in biological trilicate.

2011-09-02 | E-GEOD-31871 | biostudies-arrayexpress

Genomewide screening for pectoral fin MN specific markers

Project description:The goal of this study is to find skate pectoral fin motor neuron markers. Total RNA was extracted from manually sorted pectoral fin MNs, which were retrogradely labeled and tail spinal cord cells. By comparing RNA expression profiles of pectoral fin MNs and tail spinal cord neurons, we could identity general MN, MN columnar, and subset MN pool markers for fin MNs.

2018-02-08 | GSE105156 | GEO

Transcription profiling of zebrafish adult and larval fin to investigate mechanisms of regeneration

Project description:Zebrafish have the remarkable ability to regenerate body parts including the heart, spinal cord and fins by a process referred to as epimorphic regeneration. Recent studies have illustrated that similar to adult zebrafish, early life stage-larvae also possess the ability to regenerate the caudal fin. A comparative genomic analysis was used to determine the degree of conservation in gene expression among the regenerating adult caudal fin, adult heart and larval fin. Results indicate that these tissues respond to amputation/injury with strikingly similar genomic responses. Comparative analysis revealed raldh2, a rate-limiting enzyme for the synthesis of Retinoic acid (RA), as one of the highly induced genes across the three regeneration platforms. Experiment Overall Design: The caudal fin of zebrafish larvae at 2days post fertilization were amputated. Caudal fin tissue at 2dpf and regenerating fins were isolated at 1, 2and 3 days post amputation. Three replicates were collected at each time point. 150 fins were pooled to comprise one replicate.

2008-04-07 | E-GEOD-10188 | biostudies-arrayexpress

Genomewide screening for pectoral fin MN specific markers

Project description:Genomewide screening for pectoral fin MN specific markers

| PRJNA414974 | ENA

Small RNA and mRNA expression profiling during Polypterus senegalus (bichir) pectoral fin regeneration

Project description:Previous studies of vertebrate appendage regeneration have shown that multiple genetic programs are moduled through regulatory factors. MicroRNAs are short highly conserved non-coding genes that suppress expression of target genes and thereby control multiple genetic programs. Given their important regulatory roles and evolutionary conservation, we hypothesize that microRNAs define a conserved genetic regulatory circuit important for appendage regeneration. We characterized microRNA expression during Polypterus senegalus (bichir) pectoral fin regeneration using small RNA sequencing. The same samples were assayed for mRNA expression using mRNA sequencing. Small RNA and mRNA gene expression profiling during 0, 3, 7 and 14 days post amputation.

2016-06-01 | E-GEOD-74374 | biostudies-arrayexpress

Transcription profiling of zebrafish larval regenerating fin tissue after exposure to TCDD in order to identify genes differentially regulated after Ahr activation

Project description:Exposures to dioxin, including 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) cause a wide array of toxicities in vertebrates and is mostly considered to be mediated through the inappropriate activation of the aryl hydrocarbon receptor (Ahr) signaling pathway. Although transcriptional regulation by Ahr is widely studied, the molecular mechanisms responsible for the adverse outcomes after Ahr activation are largely unknown. To identify the important events downstream of AHR activation that play an actual role in the toxic responses, we employed the zebrafish caudal fin regeneration models since Ahr activation blocks the regenerative process. Zebrafish regenerate their caudal fins by an orchestrated progression of cell migration, differentiation and proliferation controlled by a multitude of signaling pathways. This complex process was exploited as an in vivo platform to identify cross talk between Ahr and other signaling pathways. Global genomic analysis was performed in the larval regenerating fin tissue after exposure to TCDD in order to identify genes differentially regulated after Ahr activation. Comparative toxicogenomic analysis revealed that both adult and larval fins respond to TCDD during regeneration with mis-expression of Wnt signaling pathway members and Wnt target genes. Experiment Overall Design: The caudal fin of zebrafish larvae at 2days post fertilization were amputated and exposed to vehicle control alone or TCDD. Regenerating fins were isolated at 2and 3 days post amputation. Three replicates were collected at each time point. 150 fins were pooled to comprise one replicate.

2008-04-07 | E-GEOD-10184 | biostudies-arrayexpress

Transcription profiling of zebrafish fin regeneration

Project description:We compared transcriptional profiles of regenerating zebrafish caudal fins following fin amputation with profiles from uninjured zebrafish caudal fins

2016-04-08 | GSE76564 | GEO

Small RNA and mRNA expression profiling during Polypterus senegalus (bichir) pectoral fin regeneration

2016-06-01 | GSE74374 | GEO

Hypoxia and fin regenerating Zebrafish fins: Normoxic regenerating control fins (blastema) vs hypoxic blastema (3 days following fin amputation in presence of CoCl2)

Project description:Transcriptional profiling of zebrafish rergenerating fins comparing normoxic renenerating fins and hypoxic regenerating fins (3 days following fin amputation)

2017-02-09 | GSE58566 | GEO

Regenerating Zebrafish fins: Controls vs. regenerating fins (3 days following fin amputation)

Project description:Transcriptional profiling of zebrafish rergenerating fins comparing control fins and regenerating fins (3 days following fin amputation)

2017-02-09 | GSE58567 | GEO

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