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lip-1

C. elegans

Dual specificity protein phosphatase lip-1

What the model saw

Gene: lip-1
Organism: Caenorhabditis elegans
Known functions: Dual specificity protein phosphatase lip-1. MAP kinase tyrosine phosphatase activity. MAP kinase tyrosine/serine/threonine phosphatase activity. protein binding. protein serine/threonine phosphatase activity. protein tyrosine phosphatase activity. protein tyrosine/threonine phosphatase activity.
View unredacted entry
Dual specificity protein phosphatase lip-1. MAP kinase tyrosine phosphatase activity. MAP kinase tyrosine/serine/threonine phosphatase activity. protein binding. protein serine/threonine phosphatase activity. protein tyrosine phosphatase activity. protein tyrosine/threonine phosphatase activity.

Solver output

Predicted influence
Anti-longevity
Confidence
78%
Mechanism
Deregulated nutrient sensing
Reasoning

LIP-1 is a dual-specificity MAPK phosphatase (MKP) in C. elegans that dephosphorylates and inactivates MAP kinases, including MPK-1/ERK. In the context of longevity, MPK-1 is a downstream effector of the RAS/MAPK pathway, and its activity is also integrated with the insulin/IGF-1 signaling (IIS) and germline signaling pathways that regulate DAF-16/FOXO and lifespan. By inactivating MPK-1, LIP-1 dampens MAPK signaling; however, LIP-1 is known to act as a negative regulator of the RAS/MAPK pathway in the germline, and loss of lip-1 extends lifespan in a manner dependent on the germline pathway. Thus, the normal function of LIP-1 (suppressing pro-longevity MAPK activity) is anti-longevity. Specifically, LIP-1-mediated dephosphorylation of MPK-1 reduces signaling that would otherwise promote longevity via germline-to-soma communication and DAF-16 nuclear localization.

Key pathways
RAS/MAPK signaling (MPK-1/ERK inactivation)Germline longevity pathwayInsulin/IGF-1 signaling and DAF-16/FOXO regulation
Longevity influence
Anti-longevity
Lifespan effect
Increase

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

Answer
Correct
Mechanism
Correct
Reasoning quality
5/5
Failure mode
Correct
Notes

The model correctly predicted anti_longevity for lip-1. The mechanistic reasoning is accurate and detailed: LIP-1 is indeed a dual-specificity MAPK phosphatase that inactivates MPK-1/ERK in C. elegans, and loss of lip-1 extends lifespan through the germline longevity pathway. The model correctly identifies that LIP-1's normal function suppresses pro-longevity MAPK signaling, making it anti-longevity. The connection to germline signaling, DAF-16/FOXO, and the RAS/MAPK pathway are all well-established and correctly described. Confidence of 0.78 is appropriate given the complexity of the pathway interactions.

Raw API responses

solver

{
  "reasoning": "LIP-1 is a dual-specificity MAPK phosphatase (MKP) in C. elegans that dephosphorylates and inactivates MAP kinases, including MPK-1/ERK. In the context of longevity, MPK-1 is a downstream effector of the RAS/MAPK pathway, and its activity is also integrated with the insulin/IGF-1 signaling (IIS) and germline signaling pathways that regulate DAF-16/FOXO and lifespan. By inactivating MPK-1, LIP-1 dampens MAPK signaling; however, LIP-1 is known to act as a negative regulator of the RAS/MAPK pathway in the germline, and loss of lip-1 extends lifespan in a manner dependent on the germline pathway. Thus, the normal function of LIP-1 (suppressing pro-longevity MAPK activity) is anti-longevity. Specifically, LIP-1-mediated dephosphorylation of MPK-1 reduces signaling that would otherwise promote longevity via germline-to-soma communication and DAF-16 nuclear localization.",
  "confidence": 0.78,
  "key_pathways": [
    "RAS/MAPK signaling (MPK-1/ERK inactivation)",
    "Germline longevity pathway",
    "Insulin/IGF-1 signaling and DAF-16/FOXO regulation"
  ],
  "mechanism_class": "deregulated_nutrient_sensing",
  "longevity_influence": "anti_longevity"
}

advisor

{
  "notes": "The model correctly predicted anti_longevity for lip-1. The mechanistic reasoning is accurate and detailed: LIP-1 is indeed a dual-specificity MAPK phosphatase that inactivates MPK-1/ERK in C. elegans, and loss of lip-1 extends lifespan through the germline longevity pathway. The model correctly identifies that LIP-1's normal function suppresses pro-longevity MAPK signaling, making it anti-longevity. The connection to germline signaling, DAF-16/FOXO, and the RAS/MAPK pathway are all well-established and correctly described. Confidence of 0.78 is appropriate given the complexity of the pathway interactions.",
  "failure_mode": "correct",
  "answer_correct": true,
  "mechanism_correct": true,
  "reasoning_quality": 5,
  "ground_truth_questionable": false
}