International immunopharmacology
Cure8 research brief
Why This Matters
This study identifies PLA2G2A as a drug target in experimental colitis and reports that AAIVa—an herbal-derived compound—reduced inflammation and disease measures in a mouse model, which could point to new therapeutic strategies for IBD if later validated.
Who Should Pay Attention
Researchers, preclinical drug developers, and clinicians interested in IBD inflammation pathways and novel anti-inflammatory agents.
Study Snapshot
Story typeResearch paper
Evidence typeResearch paper
Source depthJournal abstract
What To Know
This preclinical study (abstract) reports that Aristolochic acid IVa (AAIVa), a compound derived from Aristolochiaceae herbs, selectively binds and inhibits the secreted phospholipase A2 isoform PLA2G2A in biochemical assays and in cell tests.
In a mouse model of DSS colitis, oral AAIVa reduced disease activity, inflammation markers, colon shortening, and histologic damage; effects were linked to lower PLA activity and reduced arachidonic acid–driven pro-inflammatory signaling.
The report includes computational docking, target-engagement assays (DARTS and CETSA), enzyme IC50 measurement (~58 µM), cell-culture experiments showing modulation of macrophage polarization, and a 10-day DSS mouse model with a 30 mg/kg/day oral AAIVa regimen.
Some effects were reversed by adding recombinant PLA2G2A, Pla2g2a overexpression, or arachidonic acid, supporting a PLA2G2A–arachidonic acid mechanism. This is an early-stage, preclinical finding based on biochemical, cellular, and mouse-model data reported in an abstract-format journal article.
It suggests PLA2G2A as a possible drug target and AAIVa as a chemical probe with anti-inflammatory effects in experimental colitis, but it does not provide clinical safety or efficacy data for people with IBD.
Keep In Mind
Findings are preclinical (cell and mouse model) from an abstract-format journal article. Results do not translate directly into clinical benefit and further safety and efficacy testing would be required.
Source Details
Review the original publication for the complete reporting, methods, and context.
Research paper
Evidence type derived from source or registry metadata.
PublicationInternational immunopharmacology
AuthorsWei-Ying Liu, Qin-Wen Gao, Feng-Juan Bai +13 more
InstitutionSchool of Public Health and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
Study typeJournal article
Indexed viaPubMed
Source typeResearch paper
PublishedOct 15, 2026, 12:00 AM
Content availableJournal abstract
Conflict statement: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
This Cure8 brief is based on source text from the linked article. Cure8 is informational only and is not a substitute for professional medical advice, diagnosis, or treatment.
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