Tryptophan catabolites from microbiota engage aryl hydrocarbon receptor and balance mucosal reactivity via interleukin-22

T Zelante, RG Iannitti, C Cunha, A De Luca… - Immunity, 2013 - cell.com
Endogenous tryptophan (Trp) metabolites have an important role in mammalian gut immune
homeostasis, yet the potential contribution of Trp metabolites from resident microbiota has …

Impact of the gut microbiota on intestinal immunity mediated by tryptophan metabolism

J Gao, K Xu, H Liu, G Liu, M Bai, C Peng… - Frontiers in cellular and …, 2018 - frontiersin.org
The gut microbiota influences the health of the host, especially with regard to gut immune
homeostasis and the intestinal immune response. In addition to serving as a nutrient …

Microbial tryptophan metabolism tunes host immunity, metabolism, and extraintestinal disorders

M Liu, M Nieuwdorp, WM de Vos, E Rampanelli - Metabolites, 2022 - mdpi.com
The trillions of commensal microorganisms comprising the gut microbiota have received
growing attention owing to their impact on host physiology. Recent advances in our …

The aryl hydrocarbon receptor as a mediator of host-microbiota interplay

F Dong, GH Perdew - Gut microbes, 2020 - Taylor & Francis
Increasing evidence suggests a significant role for microbiota dependent metabolites and co-
metabolites, acting as aryl hydrocarbon receptor (AHR) ligands, to facilitate bidirectional …

Lactobacillus reuteri tryptophan metabolism promotes host susceptibility to CNS autoimmunity

TL Montgomery, K Eckstrom, KH Lile, S Caldwell… - Microbiome, 2022 - Springer
Background Dysregulation of gut microbiota-associated tryptophan metabolism has been
observed in patients with multiple sclerosis. However, defining direct mechanistic links …

Amino acid Trp: the far out impacts of host and commensal tryptophan metabolism

HM Grifka-Walk, BR Jenkins, DJ Kominsky - Frontiers in Immunology, 2021 - frontiersin.org
Tryptophan (Trp) is an essential amino acid primarily derived from the diet for use by the
host for protein synthesis. The intestinal tract is lined with cells, both host and microbial, that …

Intestinal microbiota-derived tryptophan metabolites are predictive of Ah receptor activity

F Dong, F Hao, IA Murray, PB Smith, I Koo… - Gut …, 2020 - Taylor & Francis
Commensal microbiota-dependent tryptophan catabolism within the gastrointestinal tract is
known to exert profound effects upon host physiology, including the maintenance of …

Gut microbiota regulation of tryptophan metabolism in health and disease

A Agus, J Planchais, H Sokol - Cell host & microbe, 2018 - cell.com
The gut microbiota is a crucial actor in human physiology. Many of these effects are
mediated by metabolites that are either produced by the microbes or derived from the …

Host–microbiome interactions: the aryl hydrocarbon receptor as a critical node in tryptophan metabolites to brain signaling

N Ma, T He, LJ Johnston, X Ma - Gut microbes, 2020 - Taylor & Francis
Tryptophan (Trp) is not only a nutrient enhancer but also has systemic effects. Trp
metabolites signaling through the well-known aryl hydrocarbon receptor (AhR) constitute the …

Microbiota metabolite regulation of host immune homeostasis: a mechanistic missing link

S Steinmeyer, K Lee, A Jayaraman… - Current allergy and asthma …, 2015 - Springer
Metazoans predominantly co-exist with symbiotic microorganisms called the microbiota.
Metagenomic surveys of the microbiota reveal a diverse ecosystem of microbes particularly …