E2F regulation of endocycles in trophoblast giant cells

Validation Score: 0.850 Price: $0.50 lineage-specific cre mice, trophoblast giant cells Status: proposed

What This Experiment Tests

Validation experiment designed to validate causal mechanisms targeting E2F1, E2F2, E2F3, E2F7, E2F8 in lineage-specific cre mice, trophoblast giant cells. Primary outcome: genome ploidy levels

Description

This experiment used lineage-specific cre mice to investigate the role of E2F transcription factors in regulating endocycles in trophoblast giant cells of the placenta. The study examined how ablation of canonical E2F activators (E2F1, E2F2, E2F3) versus atypical E2F repressors (E2F7, E2F8) affects genome ploidy in these naturally endocycling cells. Trophoblast giant cells undergo endoreduplication cycles, consisting of DNA synthesis and gap phases without cell division, resulting in highly polyploid cells essential for placental development. The researchers used genetic knockout approaches to selectively remove different E2F family members and measured the resulting changes in cellular ploidy levels.

TARGET GENE
E2F1, E2F2, E2F3, E2F7, E2F8
MODEL SYSTEM
lineage-specific cre mice, trophoblast giant cells
ESTIMATED COST
$0
TIMELINE
0 months
PATHWAY
E2F transcriptional program, cell cycle regulation
SOURCE
extracted_from_pmid_23064266
PRIMARY OUTCOME
genome ploidy levels

Scoring Dimensions

Info Gain 0.00 (25%) Feasibility 0.00 (20%) Hyp Coverage 0.00 (20%) Cost Effect. 0.00 (15%) Novelty 0.00 (10%) Ethical Safety 0.00 (10%) 0.850 composite

📖 Wiki Pages

E2F1 GenegeneE2F8 GenegeneDNA Methylation Biomarkers in NeurodegenerationbiomarkerDNA MethylationentityDNA Damage Repair Deficiency Validation Study in PexperimentDNA Damage and Repair in NeuronscellE2F3 GenegeneE2F Transcription Factor 2geneE2F7 GenegeneDNA Damage Response in Corticobasal SyndromemechanismDNA Damage Repair Deficiency Hypothesis in ParkinshypothesisDNA Damage Repair Therapy - Biomarker GuidedideaDNA Damage-Accumulating Neurons in NeurodegeneraticellDNA Damage Repair Investment LandscapeinvestmentDNA Damage Response in Alzheimer's Diseasemechanism

Protocol

lineage-specific cre-mediated gene ablation in trophoblast giant cells, ploidy measurement

Expected Outcomes

canonical E2F activator ablation increases ploidy, atypical E2F repressor ablation decreases ploidy

Success Criteria

measurable changes in genome ploidy following E2F gene ablation

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