ArticleAlcohol (Fayetteville, N.Y.)2024
Ceftriaxone alters the gut microbiome composition and reduces alcohol intake in male and female Sprague-Dawley rats.
Article in Alcohol (Fayetteville, N.Y.), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Ethanol Self-Administration Reduces mGlu2/3 Protein Expression in the Nucleus Accumbens and mGlu2/3 Activation Suppresses Binge Drinking in Male Mice.Alcohol, clinical & experimental research · 2026Article
- Evaluating Effects of Antibiotics Across Preclinical Models of the Human Gastrointestinal Microbiota.MicrobiologyOpen · 2025Article
- Modeling escalation of drug intake to identify molecular targets for treating substance use disorders: A slippery slope upward.Neuroscience and biobehavioral reviews · 2025Review
- Effect of maternal diet on gut bacteria and autism spectrum disorder in offspring.Frontiers in cellular neuroscience · 2025Review
- Microbiome-based therapeutics for Parkinson's disease.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2024Review
- The Effects of Ceftriaxone on Glutamate Transporter Expression and the Gut Microbiome: Implications for a Role of Antibiotic-Induced Dysbiosis in Mediating Drug Seeking and Relapse.Gut microbes reports · 2024Article
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Authors and funding
5 authors.
Funding
Abstract
Ceftriaxone is an antibiotic that increases central nervous system (CNS) protein expression of the glutamate transporters GLT-1 and xCT and ameliorates pathological behaviors in rodent models of neurological disease and substance use disorder. However, little ceftriaxone passes through the blood-brain barrier, the CNS binding partner of ceftriaxone is unknown, and ceftriaxone does not consistently upregulate GLT-1 and xCT in cell culture. Ceftriaxone alters the gut microbiome composition in rodents and humans, and the microbiome-gut-brain axis regulates drug-seeking. Thus, here we test the hypothesis that ceftriaxone reduces alcohol intake while ameliorating alcohol-induced disruption of the gut microbiome composition. Male and female Sprague-Dawley rats received intermittent access to alcohol (IAA) while controls received access to only water. Following 17 IAA sessions, ceftriaxone/vehicle treatment was given for 5 days. Analysis of the gut microbiome composition was assessed by 16S rRNA gene amplicon sequencing conducted on fecal pellets collected prior to and after alcohol consumption and following ceftriaxone treatment. Male rats displayed escalated alcohol intake and preference over the course of the 17 sessions; however, total alcohol intake did not differ between the sexes. Ceftriaxone reduced alcohol intake and preference in male and female rats. While alcohol affected a diverse set of amplicon sequencing variants (ASV), ceftriaxone markedly reduced the diversity of microbial communities reflected by a blooming of the Enterococcaceae family. The remaining effects of ceftriaxone, however, encompassed families both affected and unaffected by prior alcohol drinking and highlight the Ruminococcaceae and Muribaculaceae families as bidirectionally modulated by alcohol and ceftriaxone. Altogether, our study confirms that ceftriaxone reduces alcohol intake in rats and partially reverses alcohol-induced dysbiosis.
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