SUMMARY
# Proposed experiment from debate on Mitochondrial transfer between astrocytes and neurons
## Background and Rationale
Mitochondrial transcription factor A (TFAM) is essential for mitochondrial DNA maintenance and respiratory function, making it a critical regulator of cellular energetics. During neurodegeneration, compromised mitochondrial function in neurons may trigger compensatory mitochondrial transfer from healthy astrocytes via tunneling nanotubes. This falsification experiment investigat
METHODOLOGY NOTES
**Phase 1: Cell Culture Preparation (Days 1-7)**
• Culture primary astrocytes and neurons from P2-P3 rat pups in separate dishes
• Transfect astrocytes with TFAM-overexpressing plasmid (pCMV-TFAM) or empty vector control using Lipofectamine 3000
• Verify TFAM overexpression by qPCR and Western blot at 48h post-transfection
• Label astrocyte mitochondria with MitoTracker Red CMXRos (200 nM, 30 min) for tracking
• Seed neurons at 50,000 cells/well in 24-well plates for co-culture experiments
**Phase 2: ATP/ADP Ratio Manipulation (Day 8)**
• Create ATP/ADP ratio conditions in astrocytes: High (glucose + pyruvate), Medium (glucose only), Low (2-deoxyglucose treatment)
• Measure ATP/ADP ratios using luciferase-based assay (CellTiter-Glo) at 0, 2, 4, 6h
• Create complementary energy states in neurons using oligomycin (low ATP) or rotenone treatment
• Establish 6 co-culture conditions: High-Low, High-High, Medium-Low, Medium-Medium, Low-High, Low-Low ATP/ADP ratios
**Phase 3: Co-culture and