Results 51 to 60 of about 39,938 (310)

IDO1 Expression in Ovarian Cancer Induces PD-1 in T Cells via Aryl Hydrocarbon Receptor Activation

open access: yesFrontiers in Immunology, 2021
The immunoregulatory enzyme, indoleamine 2,3-dioxygenase (IDO1) and the PD-1/PD-L1 axis are potent mechanisms that impede effective anti-tumor immunity in ovarian cancer.
Adaobi Amobi-McCloud   +18 more
doaj   +1 more source

Fathoming the kynurenine pathway in migraine: why understanding the enzymatic cascades is still critically important [PDF]

open access: yes, 2015
Kynurenine pathway, the quantitatively main branch of tryptophan metabolism, has been long been considered a source of nicotinamide adenine dinucleotide, although several of its products, the so-called kynurenines, are endowed with the capacity to ...
CURTO, MARTINA   +4 more
core   +1 more source

Roles of aryl hydrocarbon receptors in diesel exhaust inhalation-induced cardiopulmonary toxicities during initiation of pulmonary respiration in chicken

open access: yes环境与职业医学, 2023
BackgroundDue to the limited availability of established research models, very few studies addressed the health effects and underlying mechanisms following exposure to diesel exhaust during the initiation of pulmonary respiration.
Hao NI   +4 more
doaj   +1 more source

Exposure to Endocrine Disruptors and Nuclear Receptors Gene Expression in Infertile and Fertile Men from Italian Areas with Different Environmental Features [PDF]

open access: yes, 2015
Internal levels of selected endocrine disruptors (EDs) (i.e., perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA), di-2-ethylhexyl-phthalate (DEHP), mono-(2-ethylhexyl)-phthalate (MEHP), and bisphenol A (BPA)) were analyzed in blood/serum of ...
Bergamasco B   +14 more
core   +2 more sources

Amino Acid Trp: The Far Out Impacts of Host and Commensal Tryptophan Metabolism

open access: yesFrontiers in Immunology, 2021
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 uptake and metabolize Trp to also generate important signaling ...
Heather M. Grifka-Walk   +2 more
doaj   +1 more source

New Trends in Aryl Hydrocarbon Receptor Biology [PDF]

open access: yesFrontiers in Cell and Developmental Biology, 2016
Traditionally considered as a critical intermediate in the toxic and carcinogenic response to dioxin (2,3,7,8-tetrachlorodibenzo-p-dioxin, TCDD), the Aryl hydrocarbon/Dioxin receptor (AhR) has proven to be also an important regulator of cell physiology and organ homeostasis.
Mulero-Navarro, Sonia   +1 more
openaire   +3 more sources

The aryl hydrocarbon receptor in liver inflammation [PDF]

open access: yesSeminars in Immunopathology, 2021
AbstractThe aryl hydrocarbon receptor (AHR) is a ubiquitously expressed ligand-activated transcription factor with multifaceted physiological functions. In the immune system, AHR has been unequivocally identified as a key regulatory factor that can integrate environmental, dietary, or microbial signals into innate and adaptive immune responses ...
Antonella Carambia, Fenja Amrei Schuran
openaire   +3 more sources

The Connection of Azole Fungicides with Xeno-Sensing Nuclear Receptors, Drug Metabolism and Hepatotoxicity

open access: yesCells, 2020
Azole fungicides, especially triazole compounds, are widely used in agriculture and as pharmaceuticals. For a considerable number of agricultural azole fungicides, the liver has been identified as the main target organ of toxicity.
Philip Marx-Stoelting   +2 more
doaj   +1 more source

Estrogen receptor and aryl hydrocarbon receptor signaling pathways [PDF]

open access: yesNuclear Receptor Signaling, 2006
Estrogen receptors (ERs) and the aryl hydrocarbon receptor (AhR) are ligand activated transcription factors and members of the nuclear receptor and bHLH-PAS superfamilies, respectively. AhR is involved in xenobiotic metabolism and in mediating the toxic effects of dioxin-like compounds.
Matthews, Jason, Gustafsson, Jan-Åke
openaire   +2 more sources

Gut Microbiota-Derived Tryptophan Metabolites Modulate Inflammatory Response in Hepatocytes and Macrophages

open access: yesCell Reports, 2018
Summary: The gut microbiota plays a significant role in the progression of fatty liver disease; however, the mediators and their mechanisms remain to be elucidated. Comparing metabolite profile differences between germ-free and conventionally raised mice
Smitha Krishnan   +9 more
doaj   +1 more source

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