spr-3
C. elegans
Suppressor of presenilin protein 3
What the model saw
Gene: spr-3 Organism: Caenorhabditis elegans Known functions: Suppressor of presenilin protein 3. DNA-binding transcription factor activity. transcription cis-regulatory region binding.
View unredacted entry
Suppressor of presenilin protein 3. DNA-binding transcription factor activity. transcription cis-regulatory region binding.
Solver output
spr-3 encodes a C. elegans homolog of the KLF/SP family transcription factor that suppresses presenilin function. Presenilin (sel-12 in C. elegans) is a component of the γ-secretase complex involved in Notch signaling; suppression of presenilin activity by spr-3 modulates downstream transcriptional programs. As a DNA-binding transcription factor acting at cis-regulatory regions, spr-3 likely reprograms gene expression in ways that counteract age-associated transcriptional drift, a key feature of epigenetic alterations in aging. KLF-family transcription factors in C. elegans (e.g., klf-1, mml-1) have established roles in promoting longevity through regulation of lipid metabolism and stress-response gene expression. By suppressing presenilin-driven Notch signaling, spr-3 may reduce proliferative and pro-aging transcriptional outputs, thereby favoring 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 is speculative and largely incorrect - it draws analogies to KLF-family transcription factors promoting longevity, but spr-3 actually acts as an anti-longevity gene. The model's logic about suppressing presenilin/Notch signaling favoring longevity is not supported by the actual biology of spr-3 in C. elegans. The confidence of 0.62 is moderately high for a wrong answer. The mechanism proposed (epigenetic alterations via transcriptional reprogramming) is also incorrect relative to the actual anti-longevity role of spr-3.
Raw API responses
solver
{
"reasoning": "spr-3 encodes a C. elegans homolog of the KLF/SP family transcription factor that suppresses presenilin function. Presenilin (sel-12 in C. elegans) is a component of the γ-secretase complex involved in Notch signaling; suppression of presenilin activity by spr-3 modulates downstream transcriptional programs. As a DNA-binding transcription factor acting at cis-regulatory regions, spr-3 likely reprograms gene expression in ways that counteract age-associated transcriptional drift, a key feature of epigenetic alterations in aging. KLF-family transcription factors in C. elegans (e.g., klf-1, mml-1) have established roles in promoting longevity through regulation of lipid metabolism and stress-response gene expression. By suppressing presenilin-driven Notch signaling, spr-3 may reduce proliferative and pro-aging transcriptional outputs, thereby favoring longevity.",
"confidence": 0.62,
"key_pathways": [
"Presenilin/Notch signaling suppression",
"KLF/SP transcription factor regulation",
"Transcriptional reprogramming in aging"
],
"mechanism_class": "epigenetic_alterations",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity but the ground truth is anti_longevity. The model's reasoning is speculative and largely incorrect - it draws analogies to KLF-family transcription factors promoting longevity, but spr-3 actually acts as an anti-longevity gene. The model's logic about suppressing presenilin/Notch signaling favoring longevity is not supported by the actual biology of spr-3 in C. elegans. The confidence of 0.62 is moderately high for a wrong answer. The mechanism proposed (epigenetic alterations via transcriptional reprogramming) is also incorrect relative to the actual anti-longevity role of spr-3.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}