ttx-3
C. elegans
LIM/homeobox protein ttx-3
What the model saw
Gene: ttx-3 Organism: Caenorhabditis elegans Known functions: LIM/homeobox protein ttx-3. DNA binding. DNA-binding transcription activator activity, RNA polymerase II-specific. 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.
View unredacted entry
LIM/homeobox protein ttx-3. DNA binding. DNA-binding transcription activator activity, RNA polymerase II-specific. 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.
Solver output
TTX-3 is a LIM homeodomain transcription factor that acts as an RNA Pol II-specific transcriptional activator, binding cis-regulatory regions to drive gene expression programs. In C. elegans, ttx-3 is known to regulate thermosensory neuron identity and is required for proper AIY interneuron specification. Correct neuronal identity and function, particularly in thermosensory circuits, is linked to lifespan regulation through neuroendocrine signaling pathways. LIM/homeobox transcription factors that maintain neuronal cell identity help preserve proper intercellular communication and neuroendocrine output (e.g., insulin/IGF-1-like signaling from neurons), which is a key determinant of C. elegans longevity. Loss of ttx-3 disrupts AIY neuron identity, impairing thermosensory integration and potentially altering the neuroendocrine signals that modulate aging, suggesting its normal function supports 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 correctly predicted pro_longevity for ttx-3. The mechanistic reasoning is sound - ttx-3 is indeed a LIM homeodomain transcription factor that regulates AIY interneuron identity in C. elegans, and the connection to neuroendocrine signaling and longevity is plausible. The model appropriately connects neuronal identity maintenance to lifespan regulation through neuroendocrine pathways. The confidence of 0.65 is reasonable given the indirect nature of the connection. The reasoning is well-constructed though somewhat speculative in linking AIY neuron identity specifically to insulin/IGF-1 signaling modulation of aging.
Raw API responses
solver
{
"reasoning": "TTX-3 is a LIM homeodomain transcription factor that acts as an RNA Pol II-specific transcriptional activator, binding cis-regulatory regions to drive gene expression programs. In C. elegans, ttx-3 is known to regulate thermosensory neuron identity and is required for proper AIY interneuron specification. Correct neuronal identity and function, particularly in thermosensory circuits, is linked to lifespan regulation through neuroendocrine signaling pathways. LIM/homeobox transcription factors that maintain neuronal cell identity help preserve proper intercellular communication and neuroendocrine output (e.g., insulin/IGF-1-like signaling from neurons), which is a key determinant of C. elegans longevity. Loss of ttx-3 disrupts AIY neuron identity, impairing thermosensory integration and potentially altering the neuroendocrine signals that modulate aging, suggesting its normal function supports longevity.",
"confidence": 0.65,
"key_pathways": [
"AIY interneuron identity specification",
"neuroendocrine/insulin-IGF-1 signaling",
"RNA polymerase II transcriptional activation"
],
"mechanism_class": "other",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for ttx-3. The mechanistic reasoning is sound - ttx-3 is indeed a LIM homeodomain transcription factor that regulates AIY interneuron identity in C. elegans, and the connection to neuroendocrine signaling and longevity is plausible. The model appropriately connects neuronal identity maintenance to lifespan regulation through neuroendocrine pathways. The confidence of 0.65 is reasonable given the indirect nature of the connection. The reasoning is well-constructed though somewhat speculative in linking AIY neuron identity specifically to insulin/IGF-1 signaling modulation of aging.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 4,
"ground_truth_questionable": false
}