lbp-7
C. elegans
Fatty acid-binding protein homolog 7
What the model saw
Gene: lbp-7 Organism: Caenorhabditis elegans Known functions: Fatty acid-binding protein homolog 7. fatty acid binding. lipid binding.
View unredacted entry
Fatty acid-binding protein homolog 7. fatty acid binding. lipid binding.
Solver output
Fatty acid-binding proteins (FABPs) are intracellular lipid chaperones that shuttle fatty acids to specific organelles and metabolic pathways, thereby regulating lipid homeostasis and nutrient sensing. In C. elegans, lipid metabolism is tightly coupled to longevity pathways, including the insulin/IGF-1 signaling and nuclear hormone receptor (NHR) networks. lbp-7, as a FABP homolog, likely facilitates the transport of fatty acid ligands to nuclear receptors such as NHR-49 (a PPARα homolog), promoting fatty acid oxidation and lipid catabolism. Enhanced lipid catabolism and reduced lipid accumulation are generally associated with extended lifespan in C. elegans. Additionally, proper fatty acid trafficking supports mitochondrial function and reduces lipotoxic stress, further supporting longevity.
GenAge curators classify each gene's normal function as promoting (Pro-Longevity) or opposing (Anti-Longevity) longevity, based on synthesis across studies. Loss-of-function effects can vary from this depending on the manipulation.
Advisor judgment
The model predicted pro_longevity but the ground truth is anti_longevity. The model's reasoning about FABPs generally promoting longevity through lipid catabolism and NHR-49 signaling is plausible in general terms but leads to the wrong conclusion for lbp-7 specifically. lbp-7 is actually anti-longevity, meaning its activity reduces lifespan (or its loss extends lifespan). The model's confidence of 0.55 is relatively low, showing some uncertainty, but it still committed to the wrong answer. The mechanistic reasoning is generic and not specific to lbp-7's actual role.
Raw API responses
solver
{
"reasoning": "Fatty acid-binding proteins (FABPs) are intracellular lipid chaperones that shuttle fatty acids to specific organelles and metabolic pathways, thereby regulating lipid homeostasis and nutrient sensing. In C. elegans, lipid metabolism is tightly coupled to longevity pathways, including the insulin/IGF-1 signaling and nuclear hormone receptor (NHR) networks. lbp-7, as a FABP homolog, likely facilitates the transport of fatty acid ligands to nuclear receptors such as NHR-49 (a PPARα homolog), promoting fatty acid oxidation and lipid catabolism. Enhanced lipid catabolism and reduced lipid accumulation are generally associated with extended lifespan in C. elegans. Additionally, proper fatty acid trafficking supports mitochondrial function and reduces lipotoxic stress, further supporting longevity.",
"confidence": 0.55,
"key_pathways": [
"fatty acid transport and nuclear receptor (NHR-49/PPARα) signaling",
"lipid homeostasis and catabolism",
"insulin/IGF-1 nutrient sensing pathway"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity but the ground truth is anti_longevity. The model's reasoning about FABPs generally promoting longevity through lipid catabolism and NHR-49 signaling is plausible in general terms but leads to the wrong conclusion for lbp-7 specifically. lbp-7 is actually anti-longevity, meaning its activity reduces lifespan (or its loss extends lifespan). The model's confidence of 0.55 is relatively low, showing some uncertainty, but it still committed to the wrong answer. The mechanistic reasoning is generic and not specific to lbp-7's actual role.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}