mtROS effects on TFAM and mtDNA in HK2 cells

Exploratory Score: 0.900 Price: $0.50 acute kidney injury HK2 cells Status: proposed

What This Experiment Tests

Exploratory experiment designed to discover new patterns targeting TFAM in HK2 cells. Primary outcome: TFAM levels, mtDNA copy number, mitochondrial respiration, cytokine release

Description

In vitro study using human kidney tubular epithelial cells (HK2) under oxidative stress conditions to investigate the impact of mitochondrial ROS on TFAM (mitochondrial transcription factor A), Lon protease, mitochondrial DNA copy number, mitochondrial respiration, and cytokine release. The experiment involved treating HK2 cells with oxidative stress inducers and measuring changes in TFAM protein levels, mtDNA copy number, and various mitochondrial function parameters. This cellular model was used to mechanistically investigate how mtROS affects mitochondrial DNA maintenance.

TARGET GENE
MODEL SYSTEM
HK2 cells
ESTIMATED COST
$0
TIMELINE
0 months
PATHWAY
mitochondrial DNA maintenance
SOURCE
extracted_from_pmid_33408785
PRIMARY OUTCOME
TFAM levels, mtDNA copy number, mitochondrial respiration, cytokine release

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%) 0.900 composite

📖 Wiki Pages

DNA Damage Repair Mechanisms Across Neurodegeneratmechanismdna-damage-repairmechanismDNA MethylationentityTFAM GenegeneDNA Damage Repair Deficiency Hypothesis in ParkinshypothesisDNA Damage Response in Alzheimer's DiseasemechanismDNA Methylation Biomarkers in NeurodegenerationbiomarkerDNA Damage Response in Corticobasal SyndromemechanismHK2geneDNA Damage Repair Deficiency Validation Study in PexperimentDNA Damage-Accumulating Neurons in NeurodegeneraticellDNA Damage and Repair in NeuronscellDNA Damage Repair Therapy - Biomarker GuidedideaDNA Damage Repair Investment LandscapeinvestmentDNA Damage Response Impairment Pathwaymechanism

Protocol

HK2 cells treated with oxidative stress conditions, with measurements of TFAM protein levels, mtDNA quantification, mitochondrial respiratory function, and inflammatory cytokine production

Expected Outcomes

mtROS would decrease TFAM levels and mtDNA copy number, leading to impaired mitochondrial function and increased cytokine release

Success Criteria

Demonstrable decrease in TFAM and mtDNA with oxidative stress, reversible by mtROS inhibition

Related Hypotheses (3)

TFAM overexpression creates mitochondrial donor-recipient gradients for directed organelle trafficki0.725
Mitochondrial Dysfunction-Mediated Neurodegeneration in Alzheimer's Disease0.380
Hippocampal mitochondrial dysfunction accelerates with age and drives regional AD vulnerability0.374

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