Results 41 to 50 of about 19,359 (226)

The Role of Sarcosine, Uracil, and Kynurenic Acid Metabolism in Urine for Diagnosis and Progression Monitoring of Prostate Cancer

open access: yesMetabolites, 2017
The aim of this pilot study is to evaluate sarcosine, uracil, and kynurenic acid in urine as potential biomarkers in prostate cancer detection and progression monitoring. Sarcosine, uracil, and kynurenic acid were measured in urine samples of 32 prostate
Georgios Gkotsos   +6 more
doaj   +1 more source

The gut-brain axis, BDNF, NMDA and CNS disorders [PDF]

open access: yes, 2016
Gastro-intestinal (GI) microbiota and the ‘gut-brain axis’ are proving to be increasingly relevant to early brain development and the emergence of psychiatric disorders.
Maqsood, Raeesah, Stone, Trevor W.
core   +1 more source

Presynaptic adenosine receptor-mediated regulation of diverse thalamocortical short-term plasticity in the mouse whisker pathway [PDF]

open access: yes, 2016
Short-term synaptic plasticity (STP) sets the sensitivity of a synapse to incoming activity and determines the temporal patterns that it best transmits.
Abbott   +90 more
core   +2 more sources

Novel Activity of Oral Hypoglycemic Agents Linked with Decreased Formation of Tryptophan Metabolite, Kynurenic Acid

open access: yesLife
Kynurenic acid is a tryptophan (Trp) metabolite formed along the kynurenine (KYN) pathway in the brain and in peripheral tissues. The disturbed formation of kynurenic acid, which targets glutamate-mediated neurotransmission, GPR35, and aryl hydrocarbon ...
Kinga Bednarz   +2 more
doaj   +1 more source

Inhibiting tryptophan metabolism enhances interferon therapy in kidney cancer. [PDF]

open access: yes, 2016
Renal cell carcinoma (RCC) is increasing in incidence, and a complete cure remains elusive. While immune-checkpoint antibodies are promising, interferon-based immunotherapy has been disappointing.
Abu Aboud, Omran   +13 more
core   +2 more sources

Tryptophan catabolites and depression in the general population: results from the Gutenberg Health Study

open access: yesBMC Psychiatry, 2023
Previous studies reported significantly altered tryptophan catabolite concentrations in major depression. Thus, tryptophan catabolites were considered as potential biomarkers of depression and their modulators as potential targets for ...
Matthias Michal   +13 more
doaj   +1 more source

Kynurenic Acid and Kynurenine Aminotransferase in Heart [PDF]

open access: yesPediatric Research, 1997
Kynurenic acid (KYNA) is a tryptophan metabolite and represents the only known endogenous compound acting as an antagonist to excitatory amino acid receptors in the mammalian CNS. Blocking of these receptors in CNS by KYNA affects cardiac function.
H, Baran, G, Amann, B, Lubec, G, Lubec
openaire   +2 more sources

elPBN neurons regulate rVLM activity through elPBN-rVLM projections during activation of cardiac sympathetic afferent nerves. [PDF]

open access: yes, 2016
The external lateral parabrachial nucleus (elPBN) within the pons and rostral ventrolateral medulla (rVLM) contributes to central processing of excitatory cardiovascular reflexes during stimulation of cardiac sympathetic afferent nerves (CSAN).
Fu, Liang-Wu   +3 more
core   +1 more source

Kynurenic acid and cancer: facts and controversies [PDF]

open access: yesCellular and Molecular Life Sciences, 2019
Abstract Kynurenic acid (KYNA) is an endogenous tryptophan metabolite exerting neuroprotective and anticonvulsant properties in the brain. However, its importance on the periphery is still not fully elucidated. KYNA is produced endogenously in various types of peripheral cells, tissues and by gastrointestinal microbiota.
Katarzyna Walczak   +3 more
openaire   +3 more sources

Depression and sickness behavior are Janus-faced responses to shared inflammatory pathways [PDF]

open access: yes, 2012
It is of considerable translational importance whether depression is a form or a consequence of sickness behavior. Sickness behavior is a behavioral complex induced by infections and immune trauma and mediated by pro-inflammatory cytokines.
A Bosutti   +189 more
core   +2 more sources

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