Hells
M. musculus
helicase, lymphoid specific
What the model saw
Gene: Hells Organism: Mus musculus Known functions: helicase, lymphoid specific. lymphocyte-specific helicase. ATP binding. ATP hydrolysis activity. ATP-dependent chromatin remodeler activity. chromatin binding. chromatin-protein adaptor activity. protein binding.
View unredacted entry
helicase, lymphoid specific. lymphocyte-specific helicase. ATP binding. ATP hydrolysis activity. ATP-dependent chromatin remodeler activity. chromatin binding. chromatin-protein adaptor activity. protein binding.
Solver output
HELLS (Helicase, Lymphoid Specific) is an SNF2-family ATP-dependent chromatin remodeler that uses ATP hydrolysis to reposition nucleosomes and regulate chromatin accessibility. Its chromatin-protein adaptor activity facilitates recruitment of DNA methyltransferases (particularly DNMT3A/3B) to heterochromatic regions, making it a key regulator of DNA methylation patterning. Loss of HELLS leads to global hypomethylation, derepression of repetitive elements, and disruption of epigenetic silencing — hallmarks of epigenetic drift associated with aging. By maintaining proper chromatin compaction and DNA methylation landscapes, HELLS opposes the age-associated epigenetic erosion that drives genomic instability and aberrant gene expression. Its role in preserving epigenetic fidelity at repetitive sequences and imprinted loci places it firmly in the pro-longevity category via the epigenetic alterations hallmark.
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 Hells in Mus musculus. The mechanistic reasoning is well-grounded: HELLS is indeed an SNF2-family chromatin remodeler that cooperates with DNA methyltransferases to maintain DNA methylation patterns, and loss of HELLS leads to hypomethylation and genomic instability. The connection to epigenetic aging/drift is reasonable and consistent with the literature. The confidence of 0.62 is appropriately moderate. The reasoning is solid and the mechanism class (epigenetic_alterations) is appropriate. Minor caveat: the model's framing is somewhat inferential (connecting HELLS function to longevity via epigenetic drift logic rather than citing direct lifespan experiments), but the overall reasoning is coherent and well-supported.
Raw API responses
solver
{
"reasoning": "HELLS (Helicase, Lymphoid Specific) is an SNF2-family ATP-dependent chromatin remodeler that uses ATP hydrolysis to reposition nucleosomes and regulate chromatin accessibility. Its chromatin-protein adaptor activity facilitates recruitment of DNA methyltransferases (particularly DNMT3A/3B) to heterochromatic regions, making it a key regulator of DNA methylation patterning. Loss of HELLS leads to global hypomethylation, derepression of repetitive elements, and disruption of epigenetic silencing — hallmarks of epigenetic drift associated with aging. By maintaining proper chromatin compaction and DNA methylation landscapes, HELLS opposes the age-associated epigenetic erosion that drives genomic instability and aberrant gene expression. Its role in preserving epigenetic fidelity at repetitive sequences and imprinted loci places it firmly in the pro-longevity category via the epigenetic alterations hallmark.",
"confidence": 0.62,
"key_pathways": [
"DNA methylation maintenance via DNMT3A/3B recruitment",
"ATP-dependent chromatin remodeling / nucleosome repositioning",
"heterochromatin silencing of repetitive elements"
],
"mechanism_class": "epigenetic_alterations",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for Hells in Mus musculus. The mechanistic reasoning is well-grounded: HELLS is indeed an SNF2-family chromatin remodeler that cooperates with DNA methyltransferases to maintain DNA methylation patterns, and loss of HELLS leads to hypomethylation and genomic instability. The connection to epigenetic aging/drift is reasonable and consistent with the literature. The confidence of 0.62 is appropriately moderate. The reasoning is solid and the mechanism class (epigenetic_alterations) is appropriate. Minor caveat: the model's framing is somewhat inferential (connecting HELLS function to longevity via epigenetic drift logic rather than citing direct lifespan experiments), but the overall reasoning is coherent and well-supported.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 4,
"ground_truth_questionable": false
}