GEO DataSets

Analysis of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) exposed caudal fins at various time points up to 5 days post amputation. TCDD prevents caudal fin regeneration. Results provide insight into the pathways required for fin regeneration and the mechanisms of TCDD toxicity.

Organism:

Danio rerio

Type:

Expression profiling by array, count, 2 agent, 3 time sets

Platform:

GPL1319

Series:

GSE3667

18 Samples

Download data: CEL

(Submitter supplied) Adult zebrafish can completely regenerate their caudal fin following amputation. This complex process is initiated by the formation of an epithelial would cap over the amputation site by 12 hours post amputation (hpa). Once the cap is formed, mesenchymal cells proliferate and migrate from sites distal to the wound plane and accumulate under the epithelial cap forming the blastemal structure within 48 hpa. more...

Organism:

Danio rerio

Type:

Expression profiling by array

Dataset:

GDS1797

Platform:

GPL1319

18 Samples

Download data: CEL

(Submitter supplied) The purpose of this experiment is to understand which transcripts are differentially expressed following exposure to TCDD. We used microarrays to understand global changes in gene signal intensity

Organism:

Danio rerio

Type:

Expression profiling by array

Platform:

GPL1319

12 Samples

Download data: CEL, XLS

(Submitter supplied) Pregnant C57Bl6N mice were treated with 0 (corn oil), 1.5, 3.0, or 6.0 ug/kg TCDD on gd14.5. Fetal hearts were collected on gd17.5. Hearts from each litter were pooled onto one chip. 4 replicates of each condition were run on affymetrix MG_U74Av2 chips, using standard affymetrix protocols and controls. Keywords: dose-response, 3 doses plus corn oil control, 4 replicates

Organism:

Mus musculus

Type:

Expression profiling by array

Dataset:

GDS1302

Platform:

GPL81

20 Samples

Download data: CEL

Analysis of gestational day (GD) 17.5 fetal hearts isolated from pregnant C57BL/6Ns treated at GD 14.5 with up to 6.0 ug/kg 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). TCDD, a cardiovascular teratogen, inhibits cardiomyocyte proliferation, a process that peaks between GD 14.5 to 17.5.

Organism:

Mus musculus

Type:

Expression profiling by array, count, 2 agent, 4 dose sets

Platform:

GPL81

Series:

GSE2812

20 Samples

Download data: CEL

(Submitter supplied) 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. more...

Organism:

Danio rerio

Type:

Expression profiling by array

Platform:

GPL1319

24 Samples

Download data: CEL, CHP

(Submitter supplied) Purpose: Investigate the molecular determinants of retinal regeneration in adult vertebrates by analyzing the gene expression profiles of control and post-lesion retina of adult zebrafish, a system that regenerates following injury. Methods: Gene expression profiles of zebrafish retina and brain were determined with DNA microarray, RT-PCR, and real-time quantitative PCR analyses. Damaged retinas and their corresponding controls were analyzed 2-5 days post-lesion (acute injury condition) or 14 d post-lesion (cell regeneration condition). more...

Organism:

Danio rerio

Type:

Expression profiling by array

Dataset:

GDS1404

Platform:

GPL1319

12 Samples

Download data

Expression profiling of lesioned retina at various time points up to 14 days after injury. Results provide insight into the molecular mechanisms that enable the regeneration of injured retinas in adult anamniotes.

Organism:

Danio rerio

Type:

Expression profiling by array, count, 4 disease state, 3 protocol, 6 time, 2 tissue sets

Platform:

GPL1319

Series:

GSE3303

12 Samples

Download data

(Submitter supplied) Zebrafish caudal fin regeneration is an established model to study tissue regeneration. In order to identify novel molecular signaling pathways critical for regeneration, we developed a rapid throughput in vivo regeneration assay. We screened a 2000 member structurally diverse small molecule library, followed by assessment of regenerative progression at three days post amputation. A cluster of glucocorticoids was identified among the “positive hits”. more...

Organism:

Danio rerio

Type:

Expression profiling by array

Platform:

GPL1319

6 Samples

Download data: CEL

(Submitter supplied) Confluent C3H10T1/2 cells stimulated to differentiate using IDMB (1uM BRL49653, 1uM Dexamethasone, 0.5uM IBMX, 10ug/mL Insulin). Expression was examined 24 hours after IDMB treatment. Additionally, the effects of addition of TCDD 48 hours prior to IDMB treatment, and EGF addition concurrent with IDMB treatment were examined. Keywords = Adipogenesis Keywords = TCDD Keywords = EGF Keywords: repeat sample

Organism:

Mus musculus

Type:

Expression profiling by array

Dataset:

GDS951

Platform:

GPL81

18 Samples

Download data: CEL

Analysis of differentiated C3H10T1/2 fibroblasts treated with 10 nM 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and/or 10 nM EGF. Prior to treatment, cells induced to differentiate into adipocytes with IDMB hormone. EGF increases effectiveness of TCDD in suppressing hormone-induced adipogenesis.

Organism:

Mus musculus

Type:

Expression profiling by array, count, 8 agent sets

Platform:

GPL81

Series:

GSE1123

18 Samples

Download data: CEL

(Submitter supplied) This study investigates the effects of the aryl hydrocarbon receptor (AhR) ligands TCDD, PCB126 and PeCDF; the non-AhR ligand PCB153 and the binary mixture PCB126/PCB153 on hepatic gene expression in female sprague dawley rats. Rats were treated with toxicological equivalent doses of TCDD (100ng/kg), PeCDF (200ng/kg), PCB126 (1000ng/kg) and PCB153 (1000ug/kg) 5 days a week for 13 weeks. Keywords: Environmental pollutant toxicity comparison

Organism:

Rattus norvegicus

Type:

Expression profiling by array

Platform:

GPL85

21 Samples

Download data: CEL

(Submitter supplied) We performed single-cell RNA-sequencing (scRNA-seq) to elucidate osteoblastic transcriptional programs during zebrafish caudal fin regeneration. We show that osteoprogenitors are enriched with components associated with epithelial-to-mesenchymal transition (EMT) and its reverse, mesenchymal-to-epithelial transition (MET). Trajectory analyses indicate osteoblastic cells solely expressed EMT components, or transiently expressed components for MET before EMT. more...

Organism:

Danio rerio

Type:

Expression profiling by high throughput sequencing

Platform:

GPL24995

3 Samples

Download data: MATRIX, TXT