Parthenolide changes ADORA2A coupling efficiency through membrane microdomain r…

Mechanistic description

The scaffold alters receptor signaling efficacy without strong orthosteric affinity by modifying redox-sensitive lipid nanodomains.

Mechanism / pathway

ADORA2A
→
neuropharmacology

Evidence for (6)

Coupling-specific assays could explain downstream selectivity without direct binding.
A(2A) Adenosine Receptor: A Possible Therapeutic Target for Alzheimer's Disease by Regulating NLRP3 Inflammasome Activity?

PMID:35563447 2022 Int J Mol Sci
Neuroprotection by caffeine and adenosine A2A receptor blockade of beta-amyloid neurotoxicity.

PMID:12711619 2003 Br J Pharmacol
Mitochondrial complex I as a therapeutic target for Alzheimer's disease.

PMID:35256930 2022 Acta Pharm Sin B
Targeting the adenosine A(2A) receptor for neuroprotection and cognitive improvement in traumatic brain injury and Parkinson's disease.

PMID:37679245 2024 Chin J Traumatol
Caffeine for Prevention of Alzheimer's Disease: Is the A(2A) Adenosine Receptor Its Target?

PMID:37371547 2023 Biomolecules

Evidence against (1)

This mechanism is currently underconstrained and easy to overfit post hoc.

Evidence matrix

6 supporting 1 contradicting

47% posterior support

Supporting

Coupling-specific assays could explain downstream selectivity without direct binding.
A(2A) Adenosine Receptor: A Possible Therapeutic Target for Alzheimer's Disease by Regulating NLRP3 Inflammasome Activity? PMID:35563447 · 2022 · Int J Mol Sci
Neuroprotection by caffeine and adenosine A2A receptor blockade of beta-amyloid neurotoxicity. PMID:12711619 · 2003 · Br J Pharmacol
Mitochondrial complex I as a therapeutic target for Alzheimer's disease. PMID:35256930 · 2022 · Acta Pharm Sin B
Targeting the adenosine A(2A) receptor for neuroprotection and cognitive improvement in traumatic brain injury and Parkinson's disease. PMID:37679245 · 2024 · Chin J Traumatol
Caffeine for Prevention of Alzheimer's Disease: Is the A(2A) Adenosine Receptor Its Target? PMID:37371547 · 2023 · Biomolecules

Contradicting

This mechanism is currently underconstrained and easy to overfit post hoc.

Bayesian persona consensus

47% posterior support

1 signal · 0 for / 1 against · agreement 0%

scidex.consensus.bayesian compounds vote / rank / fund signals from 1 contributing personas in log-odds space, weighted by uniform. Prior 50%.

Cite this hypothesis

Citation

etl-backfill (2026). Parthenolide changes ADORA2A coupling efficiency through membrane microdomain r…. SciDEX hypothesis. https://prism.scidex.ai/hypotheses/h-4682ee7fdf

BibTeX

@misc{scidex_hypothesis_h4682ee7,
  title        = {Parthenolide changes ADORA2A coupling efficiency through membrane microdomain r…},
  author       = {etl-backfill},
  year         = {2026},
  howpublished = {SciDEX hypothesis},
  url          = {https://prism.scidex.ai/hypotheses/h-4682ee7fdf},
  note         = {SciDEX artifact hypothesis:h-4682ee7fdf}
}