Synthetic cannabinoid XLR-11 caused significant liver damage in mice after just 5 days
Five consecutive days of synthetic cannabinoid XLR-11 produced pronounced liver necrosis, elevated oxidative stress markers, inflammation, and cell death in mice.
Quick Facts
What This Study Found
XLR-11 treatment caused upregulation of oxidative stress genes (NOX2, NOX4, iNOS), inflammatory markers (TNF-alpha, IL-1beta, IL-6), and pro-apoptotic gene Bax. This was confirmed by elevated MDA levels, increased TUNEL-positive cells, pronounced hepatic necrosis with inflammatory infiltration, and elevated ALT/AST serum levels.
Key Numbers
Dose: 3 mg/kg for 5 days. Upregulated genes: NOX2, NOX4, iNOS, TNF-alpha, IL-1beta, IL-6, Bax. Elevated MDA levels and TUNEL-positive cells. Elevated ALT/AST.
How They Did This
BALB/c mice received XLR-11 (3 mg/kg i.p.) for 5 consecutive days. Liver tissue analyzed by RT-qPCR, MDA assay, TUNEL assay, and histopathology. Serum liver enzymes measured.
Why This Research Matters
Synthetic cannabinoids are widely available and their hepatotoxicity is poorly understood. This study identifies specific oxidative and inflammatory mechanisms driving acute liver injury.
The Bigger Picture
Synthetic cannabinoids like XLR-11 are sold as "legal alternatives" but can cause organ damage that natural cannabis does not, underscoring the dangers of these unregulated products.
What This Study Doesn't Tell Us
Animal study with intraperitoneal injection rather than typical human routes. Single dose level. Short exposure period. BALB/c mice may respond differently than other strains or humans.
Questions This Raises
- ?Does chronic low-dose XLR-11 exposure cause progressive liver damage?
- ?Are other synthetic cannabinoids equally hepatotoxic?
- ?Is the liver damage reversible after cessation?
Trust & Context
- Key Stat:
- Pronounced hepatic necrosis after just 5 days of synthetic cannabinoid exposure
- Evidence Grade:
- Well-designed animal study with multiple convergent methodologies, but single synthetic cannabinoid and route.
- Study Age:
- Published in 2022.
- Original Title:
- Acute Hepatic Injury Associated with Acute Administration of Synthetic Cannabinoid XLR-11 in Mouse Animal Model.
- Published In:
- Toxics, 10(11) (2022)
- Authors:
- Alzu'bi, Ayman(4), Zoubi, Mazhar Salim Al(2), Al-Trad, Bahaa(2), AbuAlArjah, Manal Isam, Shehab, Malek, Alzoubi, Hiba, Albals, Dima, Abdelhady, Gamal T, El-Huneidi, Waseem
- Database ID:
- RTHC-03668
Evidence Hierarchy
Tests effects in animals (usually mice or rats), not humans.
What do these levels mean? →Frequently Asked Questions
Can synthetic cannabinoids damage the liver?
In this mouse study, just 5 days of XLR-11 caused significant liver necrosis with elevated liver enzymes, driven by oxidative stress and inflammation.
Is this different from natural cannabis?
Yes. Natural cannabis is not associated with acute hepatotoxicity like this. Synthetic cannabinoids are much more potent and can trigger organ damage not seen with plant cannabis.
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Cite This Study
https://rethinkthc.com/research/RTHC-03668APA
Alzu'bi, Ayman; Zoubi, Mazhar Salim Al; Al-Trad, Bahaa; AbuAlArjah, Manal Isam; Shehab, Malek; Alzoubi, Hiba; Albals, Dima; Abdelhady, Gamal T; El-Huneidi, Waseem. (2022). Acute Hepatic Injury Associated with Acute Administration of Synthetic Cannabinoid XLR-11 in Mouse Animal Model.. Toxics, 10(11). https://doi.org/10.3390/toxics10110668
MLA
Alzu'bi, Ayman, et al. "Acute Hepatic Injury Associated with Acute Administration of Synthetic Cannabinoid XLR-11 in Mouse Animal Model.." Toxics, 2022. https://doi.org/10.3390/toxics10110668
RethinkTHC
RethinkTHC Research Database. "Acute Hepatic Injury Associated with Acute Administration of..." RTHC-03668. Retrieved from https://rethinkthc.com/research/alzu-bi-2022-acute-hepatic-injury-associated
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.