A recent study published in the journal Nature Microbiology examines tryptophan metabolism in response to increased dietary fiber intake. Study: Dietary fibre directs microbial tryptophan ...

The following is a summary of “Tryptophan–kynurenine metabolites associate with inflammation and immunologic phenotypes in common variable immunodeficiency,” published in the May 2025 issue of Journal ...

Detecting tryptophan and other metabolites can be done using various techniques. Researchers created a new UHPLC–MS/MS-based ...

It is also clear that this derangement in tryptophan metabolism is not specific for one disease since increased urinary indole-3-acetic acid is found in patients with tropical sprue, nontropical ...

The subjects had no evidence of organic disease, and the measurements of tryptamine and xanthurenic acid excretion indicated that they had no gross abnormalities of tryptophan metabolism.

Amino acid supplements have soared in popularity in recent years. Social-media influencers peddle them with promises that ...

Radboudumc researchers used metabolomics to study cerebrospinal fluid (CSF) samples from tuberculous meningitis patients in ...

The research highlights the complex role of tryptophan metabolism in cancer. While tryptophan is known to be metabolized into several important compounds, including the neurotransmitter serotonin ...

Kynurenine, a tryptophan metabolite, slows astrocyte glycolysis in AD ... thought it significant for examining the unexplored role of IDO1 in regulating metabolism in AD. “This pivotal report will ...

Prenatal phthalate levels in the mother's blood during pregnancy were associated with lower levels of key neurotransmitter precursors (related to tyrosine and tryptophan metabolism) important for ...

L-tryptophan is an essential amino acid that helps the body make proteins and certain brain-signaling chemicals. Your body changes L-tryptophan into a brain chemical called serotonin. Serotonin ...