Stat92E
D. melanogaster
Signal-transducer and activator of transcription protein at 92E
What the model saw
Gene: Stat92E Organism: Drosophila melanogaster Known functions: Signal-transducer and activator of transcription protein at 92E. DNA binding. DNA-binding transcription activator activity, RNA polymerase II-specific. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. RNA polymerase II transcription regulatory region sequence-specific DNA binding. cytokine receptor binding. histone binding. protein binding.
View unredacted entry
Signal-transducer and activator of transcription protein at 92E. DNA binding. DNA-binding transcription activator activity, RNA polymerase II-specific. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. RNA polymerase II transcription regulatory region sequence-specific DNA binding. cytokine receptor binding. histone binding. protein binding.
Solver output
Stat92E is the sole Drosophila STAT transcription factor and is the downstream effector of the JAK-STAT signaling pathway, activated by cytokine-like ligands (Unpaired/Upd). Its cytokine receptor binding and RNA Pol II transcription activator activities place it as the central transcriptional output of JAK-STAT signaling. In Drosophila, hyperactivation of JAK-STAT signaling is associated with chronic inflammatory-like states, intestinal stem cell overproliferation, and accelerated aging of the gut epithelium. Loss-of-function or reduced JAK-STAT activity has been shown to extend lifespan in flies, while constitutive activation shortens it. The pathway also promotes age-related tissue dysplasia and stem cell exhaustion through excessive proliferative signaling, making Stat92E's normal transcriptional activation function net detrimental to 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 anti_longevity with 0.72 confidence, but the ground truth is pro_longevity. The model's reasoning focused on the detrimental effects of JAK-STAT hyperactivation (chronic inflammation, ISC overproliferation, gut dysplasia) and claimed that reduced JAK-STAT activity extends lifespan. However, the GenAge database classifies Stat92E as pro_longevity, meaning the gene promotes longevity. The model's mechanistic reasoning is partially grounded in real biology (JAK-STAT hyperactivation can be harmful), but it drew the wrong conclusion about the net effect on longevity. The pro_longevity classification likely reflects that basal/normal Stat92E activity is required for stress responses, immune function, and tissue homeostasis that support lifespan extension, or that loss-of-function reduces lifespan. The model was confidently wrong in both the direction of effect and the mechanistic interpretation.
Raw API responses
solver
{
"reasoning": "Stat92E is the sole Drosophila STAT transcription factor and is the downstream effector of the JAK-STAT signaling pathway, activated by cytokine-like ligands (Unpaired/Upd). Its cytokine receptor binding and RNA Pol II transcription activator activities place it as the central transcriptional output of JAK-STAT signaling. In Drosophila, hyperactivation of JAK-STAT signaling is associated with chronic inflammatory-like states, intestinal stem cell overproliferation, and accelerated aging of the gut epithelium. Loss-of-function or reduced JAK-STAT activity has been shown to extend lifespan in flies, while constitutive activation shortens it. The pathway also promotes age-related tissue dysplasia and stem cell exhaustion through excessive proliferative signaling, making Stat92E's normal transcriptional activation function net detrimental to longevity.",
"confidence": 0.72,
"key_pathways": [
"JAK-STAT signaling",
"cytokine/Unpaired receptor signaling",
"intestinal stem cell proliferation"
],
"mechanism_class": "chronic_inflammation",
"longevity_influence": "anti_longevity"
}advisor
{
"notes": "The model predicted anti_longevity with 0.72 confidence, but the ground truth is pro_longevity. The model's reasoning focused on the detrimental effects of JAK-STAT hyperactivation (chronic inflammation, ISC overproliferation, gut dysplasia) and claimed that reduced JAK-STAT activity extends lifespan. However, the GenAge database classifies Stat92E as pro_longevity, meaning the gene promotes longevity. The model's mechanistic reasoning is partially grounded in real biology (JAK-STAT hyperactivation can be harmful), but it drew the wrong conclusion about the net effect on longevity. The pro_longevity classification likely reflects that basal/normal Stat92E activity is required for stress responses, immune function, and tissue homeostasis that support lifespan extension, or that loss-of-function reduces lifespan. The model was confidently wrong in both the direction of effect and the mechanistic interpretation.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 3,
"ground_truth_questionable": false
}