Parthenolide reduces tonic ADORA2A signaling by lowering inflammatory extracell…

Mechanistic description

NF-kB suppression in glia decreases ectonucleotidase and cytokine programs that sustain extracellular adenosine, indirectly reducing ADORA2A pathway output in mood circuits.

Mechanism / pathway

ADORA2A
→
neuropharmacology

Evidence for (6)

Inflammatory adenosine tone offers a receptor-linked but indirect route to specificity.
NF-κB signaling in inflammation and cancer.

PMID:34977871 2021 MedComm (2020)
Brain Specific RagA Overexpression Triggers Depressive-Like Behaviors in Mice via Activating ADORA2A Signaling Pathway.

PMID:39373701 2024 Adv Sci (Weinh)
Structural studies of NF-κB signaling.

PMID:21135870 2011 Cell Res
Inactivation of adenosine receptor 2A suppresses endothelial-to-mesenchymal transition and inhibits subretinal fibrosis in mice.

PMID:38446902 2024 Sci Transl Med
Regulation of NF-kappaB function.

PMID:16626297 2006 Biochem Soc Symp

Evidence against (1)

Mood benefit might arise from broader anti-inflammatory effects without ADORA2A dependence.

Evidence matrix

6 supporting 1 contradicting

86% supporting

Supporting

Inflammatory adenosine tone offers a receptor-linked but indirect route to specificity.
NF-κB signaling in inflammation and cancer. PMID:34977871 · 2021 · MedComm (2020)
Brain Specific RagA Overexpression Triggers Depressive-Like Behaviors in Mice via Activating ADORA2A Signaling Pathway. PMID:39373701 · 2024 · Adv Sci (Weinh)
Structural studies of NF-κB signaling. PMID:21135870 · 2011 · Cell Res
Inactivation of adenosine receptor 2A suppresses endothelial-to-mesenchymal transition and inhibits subretinal fibrosis in mice. PMID:38446902 · 2024 · Sci Transl Med
Regulation of NF-kappaB function. PMID:16626297 · 2006 · Biochem Soc Symp

Contradicting

Mood benefit might arise from broader anti-inflammatory effects without ADORA2A dependence.

Cite this hypothesis

Citation

etl-backfill (2026). Parthenolide reduces tonic ADORA2A signaling by lowering inflammatory extracell…. SciDEX hypothesis. https://prism.scidex.ai/hypotheses/h-c2c5916913

BibTeX

@misc{scidex_hypothesis_hc2c5916,
  title        = {Parthenolide reduces tonic ADORA2A signaling by lowering inflammatory extracell…},
  author       = {etl-backfill},
  year         = {2026},
  howpublished = {SciDEX hypothesis},
  url          = {https://prism.scidex.ai/hypotheses/h-c2c5916913},
  note         = {SciDEX artifact hypothesis:h-c2c5916913}
}