Neuroscience

Mouse study links cognitive side effects of antipsychotics to gut microbes

Targeting the gut microbiota-ergothioneine pathway may offer a new way to prevent or treat cognitive side effects of antipsychotic drugs.

Gut microbes help deliver brain energy molecule, offering new path to treat depression

Supplementing creatine alongside specific gut bacteria such as Bifidobacterium could offer a treatment for depression by restoring brain energy metabolism.

Leaky gut may let some bacteria travel to the brain, mouse study shows

Maintaining a healthy gut barrier and microbiota, through diet or other interventions, could help prevent bacteria from reaching the brain, helping maintain neurological health.

Gut bacteria cause memory loss in mice, but restoring gut-brain signals reverses it

Targeting gut bacteria, their metabolites, or gut-to-brain signaling could offer new strategies to prevent or treat age-related memory decline. 

Gut bacteria and their metabolites may offer new way to diagnose depression

The team developed a machine-learning model using 34 metabolites that could reliably identify depressed individuals.

Microbiota and memory: in ageing mice, Parabacteroides goldsteinii weakens the gut–brain axis

Mechanisms involve medium-chain fatty acids, inflammatory activation of macrophages, reduced vagal signalling, and lower hippocampal activation.

Owning a dog may boost teens’ social skills and mental health through the microbiota

Some bacteria common in dog owners, particularly Streptococcus strains, were linked to fewer behavioral and attention problems.

Review finds no strong evidence for a causal link between gut microbes and autism

Future studies should have clearly defined hypotheses, adequate sample size, standardized protocols, and replication using multiple independent approaches.

Gut-brain connection may be a predictor of Alzheimer’s and Parkinson’s risk

Combining data about gut-brain–related disorders with genetic and other information provides a powerful approach for predicting Alzheimer’s and Parkinson’s disease.

Synbiotics and autism: a novel microbiome-based strategy to improve gut and behavioral health in children with autism spectrum disorder 

A study demonstrates that synbiotic supplementation, alone or combined with GDH, is a safe and effective adjunct therapy for autistic children with DGBI.

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