Tryptophan is an essential amino acid that helps your body produce melatonin and serotonin. However, it's not why you feel tired after a large meal.

Microbiome dysbiosis—changes in the composition of gut microbes that alter the metabolites present—has long been implicated in playing a causative role in the pathophysiology of autism spectrum ...

The review introduces the molecular subtypes of breast cancer and outlines how altered amino acid metabolism supports tumor growth. It explores key amino acid pathways—including glutamine, serine, ...

Rheumatoid arthritis and spondyloarthritis are long-lasting inflammatory diseases that gradually wear down joints. While genes contribute to these disorders, they don’t tell the whole story.

On Oct. 10, the Schroeder Lab, led by Prof. Frank Schroeder, chemistry and chemical biology, published a study detailing a new class of serotonin-containing compounds and another serotonin pathway in ...

Scientists have discovered that an imbalance of certain chemicals in the brain could help explain why teenage girls are at greater risk of depression than boys. Specifically, researchers claim to have ...

Skatole is an infamously smelly molecule that, in some anaerobic bacteria, is synthesized from ʟ-tryptophan in a four-step process. Now, researchers have found that certain aerobic bacteria only need ...