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Swapping red meat for plant-based meat rapidly lowers a key heart risk metabolite, trial finds

A randomized crossover trial found that replacing red meat patties with processed plant-based meat alternatives for six days significantly lowered circulating trimethylamine N-oxide (TMAO), a gut-derived metabolite linked to cardiovascular risk. The plant-based phase also produced modest reductions in cholesterol markers but slightly increased weight and NT-proBNP, possibly due to higher sodium intake.

12 Mar 2026

Gut microbes may drive memory decline during aging by disrupting vagal brain signaling

Researchers identified in mice a microbiome–gut–brain pathway in which age-associated changes in gut microbes increase medium-chain fatty acids that impair vagal sensory signaling and hippocampal activity. These interoceptive disruptions weaken memory formation, revealing a microbial mechanism that contributes to cognitive decline during aging.

12 Mar 2026

Specific gut bacteria may signal long-term risk of heart and metabolic disease

Researchers analyzed gut microbiome profiles from 4,792 adults in the HELIUS cohort and tracked cardiometabolic outcomes over time to determine whether specific microbes predict disease risk. Certain microbes were linked to higher or lower cardiovascular risk, while plant-derived microbial metabolites suggested potential diet–microbiome interactions influencing heart health.

9 Mar 2026

Microbial ecosystems influence success of cancer checkpoint immunotherapy

Immune checkpoint inhibitors targeting PD-1 and PD-L1 have revolutionized cancer therapy, delivering long-term survival benefits in several malignancies.

9 Mar 2026

Researchers propose that Parkinson’s disease may start in the gut, not the brain

A perspective in The Journal of Clinical Investigation argues that environmental exposures may interact with the gut microbiome and intestinal barrier to trigger biological processes linked to Parkinson’s disease. The authors propose that cumulative environmental stressors can erode host resilience, promoting α-synuclein pathology, immune activation, and neurodegeneration.

5 Mar 2026

Copper metabolism identified as a new therapeutic target for inflammatory osteolysis

Inflammatory osteolysis is a condition involving progressive bone tissue destruction and is observed in many well-known skeletal disorders, including rheumatoid arthritis, osteoporosis, and chronic apical periodontitis.

5 Mar 2026

No evidence probiotic skincare can improve mood

Current findings reveal no support for emotional benefits from probiotic cosmetics, highlighting the need for further investigation into neurocosmetics.

5 Mar 2026

Berries, apples, and citrus linked to greater happiness and optimism

A study links flavonoid-rich diets to sustained happiness and optimism, highlighting the bidirectional relationship between diet and psychological well-being.

5 Mar 2026

Study sheds light on potential therapeutic strategies for post-traumatic osteoarthritis

Post-traumatic osteoarthritis often affects younger, active individuals and progresses quickly following ligament or cartilage injury.

4 Mar 2026

Periodontal bacteria trigger bone density reduction via the gut

Periodontitis, a chronic inflammatory disease of the gums, affects hundreds of millions of people worldwide and is increasingly linked to systemic disorders beyond the oral cavity.

4 Mar 2026

Gut microbiota-derived metabolite directly shapes immune responses in bacterial pneumonia

Sepsis and severe pneumonia are frequently accompanied by disruption of the gut microbiota, leading to immune dysfunction and increased susceptibility to secondary infections.

4 Mar 2026

New research initiative aims to predict and prevent diseases before they start

What if doctors could tell you a disease was coming years before you felt a single symptom-and stop it in its tracks? That is the goal of a sweeping new research initiative launched by the Icahn School of Medicine at Mount Sinai in collaboration with the Uniformed Services University of the Health Sciences (USU) and the Henry M. Jackson Foundation for the Advancement of Military Medicine (HJF).

2 Mar 2026

Living in deprived neighborhoods reshapes the gut microbiome

This study reveals links between socioeconomic deprivation and gut microbiome changes, highlighting potential pathways to mental and metabolic health issues.

2 Mar 2026

Chemical signatures in blood could help detect gallbladder cancer

Researchers at Tezpur University in Assam, India, working with scientists at the University of Illinois Urbana-Champaign, have identified distinct chemical signatures in blood that could help detect gallbladder cancer earlier.

25 Feb 2026

Nutri-Score labeling system fails to reflect nutritional complexity of cocoa

Researchers at the University of Granada have revealed that the Nutri-Score labeling system, commonly used in Europe to assess food quality, is unable to adequately reflect the nutritional and metabolic complexity of soluble cocoa sold in Spain.

24 Feb 2026

Metabolite-driven AI model accurately estimates time of death

Artificial intelligence can be used to provide a more precise time of death, which can be crucial in e.g. murder investigations.

24 Feb 2026

Researchers show red blood cells drive better glucose tolerance at high altitude

Chronic hypoxia improves glucose tolerance in mice through insulin-independent mechanisms, with red blood cells acting as a major systemic glucose sink. Increased erythrocyte production and altered glycolytic flux help reduce circulating glucose while supporting oxygen delivery to tissues.

22 Feb 2026

New review explores whether berries can slow cognitive decline linked to obesity

This systematic review in Nutrients evaluates human studies investigating whether polyphenol-rich berry consumption can modulate obesity-related metabolic dysfunction and support cognitive performance, particularly in individuals at risk of mild cognitive impairment. Evidence suggests modest memory benefits and possible metabolic improvements, although biomarker findings and long-term clinical relevance remain uncertain.

22 Feb 2026

Gut microbiome may shape response to GLP-1 drugs, new review suggests

This review examines how GLP-1 receptor agonists and the gut microbiome influence one another through bile acid signaling, short-chain fatty acids, and inflammatory pathways. It explores how microbial composition may shape treatment response and highlights the need for controlled human studies to enable microbiome-informed precision therapy.

19 Feb 2026

Extreme endurance exercise pushes red blood cells toward accelerated aging

Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a study published in the American Society of Hematology's journal Blood Red Cells & Iron.

18 Feb 2026

Metabolites News and Research

Swapping red meat for plant-based meat rapidly lowers a key heart risk metabolite, trial finds

Gut microbes may drive memory decline during aging by disrupting vagal brain signaling

Specific gut bacteria may signal long-term risk of heart and metabolic disease

Microbial ecosystems influence success of cancer checkpoint immunotherapy

Researchers propose that Parkinson’s disease may start in the gut, not the brain

Copper metabolism identified as a new therapeutic target for inflammatory osteolysis

No evidence probiotic skincare can improve mood

Berries, apples, and citrus linked to greater happiness and optimism

Study sheds light on potential therapeutic strategies for post-traumatic osteoarthritis

Periodontal bacteria trigger bone density reduction via the gut

Gut microbiota-derived metabolite directly shapes immune responses in bacterial pneumonia

New research initiative aims to predict and prevent diseases before they start

Living in deprived neighborhoods reshapes the gut microbiome

Chemical signatures in blood could help detect gallbladder cancer

Nutri-Score labeling system fails to reflect nutritional complexity of cocoa

Metabolite-driven AI model accurately estimates time of death

Researchers show red blood cells drive better glucose tolerance at high altitude

New review explores whether berries can slow cognitive decline linked to obesity

Gut microbiome may shape response to GLP-1 drugs, new review suggests

Extreme endurance exercise pushes red blood cells toward accelerated aging

Advancing Neuroscience Research Through Collaboration and Patient-Centered Innovation

The impact of vibration on microscopy

How Omics Technologies Are Transforming Biological Research and Drug Discovery

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