CBD Blocked Pro-Inflammatory Macrophage Activation by Disrupting Metabolic and Signaling Pathways
CBD inhibited pro-inflammatory M1 macrophage polarization by interfering with metabolic reprogramming and the PI3K/Akt signaling pathway, while also affecting M2 anti-inflammatory responses.
Quick Facts
What This Study Found
CBD inhibited IL-6 and nitric oxide production without affecting TNF-alpha in M1-polarized macrophages. CBD disrupted metabolic flux and PI3K/Akt pathway signaling, which are required for pro-inflammatory macrophage activation. The effect was observed in murine bone marrow-derived macrophages.
Key Numbers
CBD inhibited: IL-6 production, nitric oxide production. CBD did not affect: TNF-alpha production. Pathway: PI3K/Akt disruption. Metabolic flux: altered in M1 polarization.
How They Did This
In vitro study using murine bone marrow-derived macrophages. Assessed CBD effects on M1 (LPS+IFN-gamma) and M2 polarization. Measured cytokine production, metabolic flux, and signaling pathway activation.
Why This Research Matters
Understanding how CBD modulates immune cells at the molecular level helps explain its anti-inflammatory effects and could guide the development of more targeted cannabinoid-based therapies.
The Bigger Picture
The selectivity of CBD's effects (blocking some but not all inflammatory mediators) suggests a nuanced immunomodulatory profile rather than blanket immunosuppression, which could be therapeutically advantageous.
What This Study Doesn't Tell Us
Murine cells only. In vitro conditions do not replicate the complex immune environment. Single cannabinoid tested. Concentrations used may not reflect achievable tissue levels in vivo.
Questions This Raises
- ?Do these metabolic effects occur at physiologically relevant CBD concentrations?
- ?Would these findings translate to human macrophages?
Trust & Context
- Key Stat:
- Evidence Grade:
- Detailed mechanistic in vitro study but using murine cells without in vivo validation places at preliminary.
- Study Age:
- Recently published laboratory research.
- Original Title:
- Cannabidiol perturbs macrophage polarization by interfering with the metabolic flux and PI3K/Akt pathway.
- Published In:
- Scientific reports, 16(1), 3514 (2025)
- Authors:
- Sukdee, Thadaphong, Wongprom, Benjawan, Pattarakarnkul, Thitiporn, Leelahavanichkul, Asada, Charoensappakit, Awirut, Sae-Khow, Kritsanawan, Yukhet, Phanomsak, Vilaivan, Tirayut, Palaga, Tanapat
- Database ID:
- RTHC-07742
Evidence Hierarchy
Frequently Asked Questions
How does CBD reduce inflammation?
This study found CBD disrupts the metabolic reprogramming and PI3K/Akt signaling that immune cells (macrophages) need to mount a pro-inflammatory response, selectively blocking some inflammatory mediators while leaving others intact.
Does this mean CBD is an immunosuppressant?
Not in a blanket way. CBD selectively inhibited some inflammatory markers (IL-6, nitric oxide) without affecting others (TNF-alpha), suggesting a more nuanced immunomodulatory effect.
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Cite This Study
https://rethinkthc.com/research/RTHC-07742APA
Sukdee, Thadaphong; Wongprom, Benjawan; Pattarakarnkul, Thitiporn; Leelahavanichkul, Asada; Charoensappakit, Awirut; Sae-Khow, Kritsanawan; Yukhet, Phanomsak; Vilaivan, Tirayut; Palaga, Tanapat. (2025). Cannabidiol perturbs macrophage polarization by interfering with the metabolic flux and PI3K/Akt pathway.. Scientific reports, 16(1), 3514. https://doi.org/10.1038/s41598-025-33360-5
MLA
Sukdee, Thadaphong, et al. "Cannabidiol perturbs macrophage polarization by interfering with the metabolic flux and PI3K/Akt pathway.." Scientific reports, 2025. https://doi.org/10.1038/s41598-025-33360-5
RethinkTHC
RethinkTHC Research Database. "Cannabidiol perturbs macrophage polarization by interfering ..." RTHC-07742. Retrieved from https://rethinkthc.com/research/sukdee-2025-cannabidiol-perturbs-macrophage-polarization
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.