Gut microbiota-derived tryptophan metabolites maintain gut and systemic homeostasis

X Su, Y Gao, R Yang - Cells, 2022 - mdpi.com
Tryptophan is an essential amino acid from dietary proteins. It can be metabolized into
different metabolites in both the gut microbiota and tissue cells. Tryptophan metabolites such …

Gut-microbiota-derived metabolites maintain gut and systemic immune homeostasis

J Wang, N Zhu, X Su, Y Gao, R Yang - Cells, 2023 - mdpi.com
The gut microbiota, including bacteria, archaea, fungi, viruses and phages, inhabits the
gastrointestinal tract. This commensal microbiota can contribute to the regulation of host …

[HTML][HTML] Dietary tryptophan metabolite released by intratumoral Lactobacillus reuteri facilitates immune checkpoint inhibitor treatment

MJ Bender, AC McPherson, CM Phelps, SP Pandey… - Cell, 2023 - cell.com
The use of probiotics by cancer patients is increasing, including among those undergoing
immune checkpoint inhibitor (ICI) treatment. Here, we elucidate a critical microbial-host …

Bifidobacterium species associated with breastfeeding produce aromatic lactic acids in the infant gut

MF Laursen, M Sakanaka, N von Burg, U Mörbe… - Nature …, 2021 - nature.com
Breastfeeding profoundly shapes the infant gut microbiota, which is critical for early life
immune development, and the gut microbiota can impact host physiology in various ways …

The gut microbial metabolite formate exacerbates colorectal cancer progression

D Ternes, M Tsenkova, VI Pozdeev, M Meyers… - Nature …, 2022 - nature.com
The gut microbiome is a key player in the immunomodulatory and protumorigenic
microenvironment during colorectal cancer (CRC), as different gut-derived bacteria can …

Microbiota-derived tryptophan catabolites mediate the chemopreventive effects of statins on colorectal cancer

JX Han, ZH Tao, JL Wang, L Zhang, CY Yu… - Nature …, 2023 - nature.com
Epidemiological studies have indicated an association between statin use and reduced
incidence of colorectal cancer (CRC), and work in preclinical models has demonstrated a …

Air pollution and its effects on the immune system

DA Glencross, TR Ho, N Camina… - Free Radical Biology …, 2020 - Elsevier
A well-functioning immune system is vital for a healthy body. Inadequate and excessive
immune responses underlie diverse pathologies such as serious infections, metastatic …

AHR in the intestinal microenvironment: safeguarding barrier function

B Stockinger, K Shah, E Wincent - Nature reviews Gastroenterology & …, 2021 - nature.com
Mammalian aryl hydrocarbon receptor (AHR) is a ligand-dependent transcription factor that
belongs to the basic helix–loop–helix (bHLH)–PAS family of transcription factors, which are …

The aryl hydrocarbon receptor: an environmental sensor integrating immune responses in health and disease

V Rothhammer, FJ Quintana - Nature Reviews Immunology, 2019 - nature.com
The environment, diet, microbiota and body's metabolism shape complex biological
processes in health and disease. However, our understanding of the molecular pathways …

Environmental pollutants and the immune response

T Suzuki, T Hidaka, Y Kumagai, M Yamamoto - Nature Immunology, 2020 - nature.com
Environmental pollution is one of the most serious challenges to health in the modern world.
Pollutants alter immune responses and can provoke immunotoxicity. In this Review, we …