🧫
Germfree mouse colonocyte energy metabolism analysis
active
experiment
Created: 2026-04-10T23:13:52
By: etl-v1-backfill
Quality:
50%
✓ SciDEX
ID: exp-cf95a475-75fb-403f-9b98-f0f3deeb45e5
🧫 Experiment Protocol
Validationgermfree miceproposed
This experiment compared energy homeostasis and metabolic state between colonocytes from germfree mice (lacking microbiota) and conventional mice with normal microbiota. The study examined the expression of enzymes involved in intermediary metabolism including the TCA cycle, measured NADH/NAD+ ratios, oxidative phosphorylation levels, ATP levels, AMPK activation, p27(kip1) phosphorylation, and autophagy markers. The goal was to determine whether the absence of microbiota-produced butyrate leads to an energy-deprived state in colonocytes and how this affects cellular metabolism and signaling pathways. The study revealed that germfree colonocytes exhibit decreased expression of key metabolic enzymes, reduced energy production, and compensatory activation of energy-sensing pathways.
PRIMARY OUTCOME
Energy homeostasis and metabolic enzyme expression in colonocytes
EXPECTED OUTCOMES
Germfree colonocytes would show signs of energy deprivation due to lack of bacterial butyrate
SUCCESS CRITERIA
Demonstration of decreased metabolic enzyme expression, reduced energy production, and activation of energy-sensing pathways in germfree colonocytes
PROTOCOL
Comparison of metabolic parameters between germfree and conventional mouse colonocytes, including enzyme expression analysis, NADH/NAD+ ratio measurement, ATP quantification, AMPK and p27(kip1) phosphorylation assessment, and autophagy marker detection
Source: PMID 21531334 ↗
🧫 Experiment Extras
PATHWAY
TCA cycle, oxidative phosphorylation, AMPK signaling, autophagy
MARKET PRICE
$0.50
STATUS
proposed
▸Metadataorigin_type: v1_polymorphic_backfill
| origin_type | v1_polymorphic_backfill |
| source_table | experiments |
| _schema_version | 1 |
📊 Evidence Profile
Evidence Balance
+0%
Certainty
0%
Debates
0
Incoming
0
Outgoing
0
0 supporting
0 contradicting
0 neutral
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