ets-4
C. elegans
Transcription factor ets-4
What the model saw
Gene: ets-4 Organism: Caenorhabditis elegans Known functions: Transcription factor ets-4. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. DNA-binding transcription factor binding. RNA polymerase II cis-regulatory region sequence-specific DNA binding. sequence-specific DNA binding.
View unredacted entry
Transcription factor ets-4. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. DNA-binding transcription factor binding. RNA polymerase II cis-regulatory region sequence-specific DNA binding. sequence-specific DNA binding.
Solver output
ETS-4 is a member of the ETS family of transcription factors in C. elegans, which bind specific DNA sequences via their conserved ETS domain and regulate RNA Pol II-driven gene expression. In C. elegans, ETS-4 has been shown to act downstream of or in parallel to the DAF-2/insulin-IGF-1 signaling pathway, functioning as a transcriptional activator that promotes growth and development at the expense of longevity-associated programs. ETS family transcription factors in this context typically antagonize the activity of DAF-16/FOXO, the master pro-longevity transcription factor, by competing for target gene regulation or by activating genes that suppress stress resistance and lifespan extension. Loss of ets-4 function in C. elegans has been associated with extended lifespan, consistent with its normal role being to promote nutrient-sensing/growth signaling outputs that limit longevity. Its sequence-specific DNA binding and RNA Pol II co-regulatory activity place it as a direct transcriptional regulator within the insulin/IGF-1 nutrient-sensing axis.
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 correctly predicted anti_longevity for ets-4 in C. elegans. However, the mechanistic reasoning is questionable. The model claims ETS-4 acts downstream of DAF-2/insulin-IGF-1 signaling and antagonizes DAF-16/FOXO, but the actual published literature on ets-4 in C. elegans shows it functions in a different context. ETS-4 has been shown to be regulated by AMPK/AAK-2 signaling and acts as a transcriptional repressor of stress response genes, rather than being primarily linked to the insulin/IGF-1 nutrient-sensing axis as described. The model's specific mechanistic claims about competing with DAF-16/FOXO and acting in the DAF-2 pathway appear to be speculative extrapolations rather than established facts. The confidence of 0.62 is reasonable given the uncertainty. The mechanism_class of "deregulated_nutrient_sensing" may be partially correct but the specific pathway details are likely inaccurate.
Raw API responses
solver
{
"reasoning": "ETS-4 is a member of the ETS family of transcription factors in C. elegans, which bind specific DNA sequences via their conserved ETS domain and regulate RNA Pol II-driven gene expression. In C. elegans, ETS-4 has been shown to act downstream of or in parallel to the DAF-2/insulin-IGF-1 signaling pathway, functioning as a transcriptional activator that promotes growth and development at the expense of longevity-associated programs. ETS family transcription factors in this context typically antagonize the activity of DAF-16/FOXO, the master pro-longevity transcription factor, by competing for target gene regulation or by activating genes that suppress stress resistance and lifespan extension. Loss of ets-4 function in C. elegans has been associated with extended lifespan, consistent with its normal role being to promote nutrient-sensing/growth signaling outputs that limit longevity. Its sequence-specific DNA binding and RNA Pol II co-regulatory activity place it as a direct transcriptional regulator within the insulin/IGF-1 nutrient-sensing axis.",
"confidence": 0.62,
"key_pathways": [
"insulin/IGF-1 signaling (DAF-2/DAF-16 axis)",
"RNA polymerase II transcriptional regulation",
"ETS transcription factor network"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "anti_longevity"
}advisor
{
"notes": "The model correctly predicted anti_longevity for ets-4 in C. elegans. However, the mechanistic reasoning is questionable. The model claims ETS-4 acts downstream of DAF-2/insulin-IGF-1 signaling and antagonizes DAF-16/FOXO, but the actual published literature on ets-4 in C. elegans shows it functions in a different context. ETS-4 has been shown to be regulated by AMPK/AAK-2 signaling and acts as a transcriptional repressor of stress response genes, rather than being primarily linked to the insulin/IGF-1 nutrient-sensing axis as described. The model's specific mechanistic claims about competing with DAF-16/FOXO and acting in the DAF-2 pathway appear to be speculative extrapolations rather than established facts. The confidence of 0.62 is reasonable given the uncertainty. The mechanism_class of \"deregulated_nutrient_sensing\" may be partially correct but the specific pathway details are likely inaccurate.",
"failure_mode": "right_answer_wrong_reasoning",
"answer_correct": true,
"mechanism_correct": false,
"reasoning_quality": 3,
"ground_truth_questionable": false
}