Hsp27
D. melanogaster
Heat shock protein 27
What the model saw
Gene: Hsp27 Organism: Drosophila melanogaster Known functions: Heat shock protein 27. heat shock protein 27. unfolded protein binding.
View unredacted entry
Heat shock protein 27. heat shock protein 27. unfolded protein binding.
Solver output
Hsp27 is a small heat shock protein (sHSP) that functions as a molecular chaperone by binding unfolded or misfolded proteins, preventing their aggregation and facilitating their refolding or degradation. In Drosophila, sHSPs are key components of the proteostasis network; their upregulation is associated with extended lifespan, and overexpression of small HSPs has been shown to increase longevity in multiple model organisms. By maintaining proteome integrity under stress conditions, Hsp27 directly counteracts the age-associated collapse of proteostasis, which is a central hallmark of aging. Its role in suppressing toxic protein aggregation also intersects with the prevention of cellular senescence and stress-induced damage. Thus, the normal function of Hsp27 actively promotes organismal longevity through proteostasis maintenance.
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 Hsp27 in Drosophila melanogaster with high confidence (0.82). The mechanistic reasoning is sound and well-articulated: Hsp27 is a small heat shock protein/molecular chaperone that maintains proteostasis by preventing protein aggregation, and its overexpression has been shown to extend lifespan in model organisms. The mechanism class (loss_of_proteostasis) is appropriate, and the key pathways identified are all relevant. The reasoning correctly connects chaperone function to aging biology through the proteostasis hallmark of aging framework.
Raw API responses
solver
{
"reasoning": "Hsp27 is a small heat shock protein (sHSP) that functions as a molecular chaperone by binding unfolded or misfolded proteins, preventing their aggregation and facilitating their refolding or degradation. In Drosophila, sHSPs are key components of the proteostasis network; their upregulation is associated with extended lifespan, and overexpression of small HSPs has been shown to increase longevity in multiple model organisms. By maintaining proteome integrity under stress conditions, Hsp27 directly counteracts the age-associated collapse of proteostasis, which is a central hallmark of aging. Its role in suppressing toxic protein aggregation also intersects with the prevention of cellular senescence and stress-induced damage. Thus, the normal function of Hsp27 actively promotes organismal longevity through proteostasis maintenance.",
"confidence": 0.82,
"key_pathways": [
"proteostasis/chaperone network",
"heat shock response",
"unfolded protein stress response"
],
"mechanism_class": "loss_of_proteostasis",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for Hsp27 in Drosophila melanogaster with high confidence (0.82). The mechanistic reasoning is sound and well-articulated: Hsp27 is a small heat shock protein/molecular chaperone that maintains proteostasis by preventing protein aggregation, and its overexpression has been shown to extend lifespan in model organisms. The mechanism class (loss_of_proteostasis) is appropriate, and the key pathways identified are all relevant. The reasoning correctly connects chaperone function to aging biology through the proteostasis hallmark of aging framework.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 5,
"ground_truth_questionable": false
}