Ammonia metabolism, the brain and fatigue; revisiting the link

DJ Wilkinson, NJ Smeeton, PW Watt - Progress in neurobiology, 2010 - Elsevier
This review addresses the ammonia fatigue theory in light of new evidence from exercise
and disease studies and aims to provide a view of the role of ammonia during exercise …

Reducing Deaths due to Oxidative Stress (The REDOXS© Study): rationale and study design for a randomized trial of glutamine and antioxidant supplementation in …

DK Heyland, R Dhaliwal, AG Day… - Proceedings of the …, 2006 - cambridge.org
Critically-ill patients experience an extent of hyperinflammation, cellular immune
dysfunction, oxidative stress and mitochondrial dysfunction. Supplementation with key …

Systemic inflammatory response exacerbates the neuropsychological effects of induced hyperammonemia in cirrhosis

DL Shawcross, NA Davies, R Williams, R Jalan - Journal of hepatology, 2004 - Elsevier
BACKGROUND/AIMS: Studies in acute liver failure show correlation between evidence of a
systemic inflammatory response syndrome (SIRS) and progression of hepatic …

Role of ammonia and inflammation in minimal hepatic encephalopathy

DL Shawcross, G Wright, SWM Olde Damink… - Metabolic brain …, 2007 - Springer
Background: Minimal hepatic encephalopathy (MHE) is common in cirrhosis but its
pathophysiologic basis remains undefined. We evaluated whether the presence of MHE was …

[HTML][HTML] Side effects of amino acid supplements

M Holeček - Physiological research, 2022 - ncbi.nlm.nih.gov
The aim of the article is to examine side effects of increased dietary intake of amino acids,
which are commonly used as a dietary supplement. In addition to toxicity, mutagenicity and …

Spectral versus visual EEG analysis in mild hepatic encephalopathy

P Amodio, P Marchetti, F Del Piccolo… - Clinical …, 1999 - Elsevier
Objective: Spectral EEG analysis has been claimed to reduce subjective variability in EEG
assessment of hepatic encephalopathy and to allow the detection of mild encephalopathy …

Methods for diagnosing hepatic encephalopathy in patients with cirrhosis: a multidimensional approach

S Montagnese, P Amodio, MY Morgan - Metabolic brain disease, 2004 - Springer
There is no “gold standard” for diagnosing hepatic encephalopathy in patients with cirrhosis.
In consequence, the presence of this condition, unless floridly overt, is often missed. As a …

Covert hepatic encephalopathy: not as minimal as you might think

MR Kappus, JS Bajaj - Clinical Gastroenterology and Hepatology, 2012 - Elsevier
Hepatic encephalopathy (HE) is a serious neuropsychiatric and neurocognitive complication
of acute and chronic liver disease. Symptoms are often overt (confusion, disorientation …

Side effects of long‐term glutamine supplementation

M Holecek - Journal of parenteral and Enteral Nutrition, 2013 - Wiley Online Library
Some people consume chronically glutamine (GLN) in high quantities (~ 40 g/d), although a
number of biochemical pathways and cellular functions may be negatively affected. The …

Amino acids, ammonia, and hepatic encephalopathy

K Kroupina, C Bémeur, CF Rose - Analytical biochemistry, 2022 - Elsevier
Hepatic encephalopathy (HE) is a decline in brain function arising due to liver insufficiency.
The liver's diminished capacity to clear ammonia, and the subsequent accumulation of it, is …