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Items for "cysteine"

Low fasting methionine concentration as a novel risk factor for recurrent venous thrombosis

Hyperhomocysteinemia is a risk factor for venous thrombosis, but the underlying mechanism is unclear...

Keywords: Methionine, homocysteine, cysteine, Venous thrombosis

10/2006 | Thrombosis and Haemostasis, Schattauer
Differential effects of the loss of intrachain- versus interchain-disulfide bonds in the cystine-knot domain of von Willebrand factor on the clinical phenotype of von Willebrand disease

Von Willebrand factor (VWF) contains a large number of cysteine residues, which all form disulfide bonds...

Keywords: ADAMTS13, cysteine, dimerization, disulfide bond, multimerization

12/2006 | Thrombosis and Haemostasis, Schattauer
Improving the levels of essential amino acids and sulfur metabolites in plants

Plants represent the major source of food for humans, either directly or indirectly through their use as livestock feeds...

Keywords: cysteine, essential amino acids, lysine, metabolic engineering, Methionine, nutritional quality

09/2005 | Biological Chemistry, Walter de Gruyter
Regulation of redox-sensitive exofacial protein thiols in CHO cells

Thiols affect a variety of cell functions, an effect known as redox regulation, largely attributed to modification of transcription factors and intracellular signaling mechanisms...

Keywords: cysteine, N-acetylcysteine, proteomics, Redox, surface thiols

10/2006 | Biological Chemistry, Walter de Gruyter
Increased carcinogenic potential of myeloid tumor cells induced by aberrant TGF-β1-signaling and upregulation of cathepsin B

The TGF-β signaling pathways are implicated in cancer. Cysteine cathepsins can contribute to the carcinogenic potential of tumor cells...

Keywords: Apoptosis, Cancer, cysteine, Migration, promoter, protease

06/2007 | Biological Chemistry, Walter de Gruyter
Carotid narrowing degree and plasma thiol levels in carotid endarterectomy patients

The aim of this work was to study the association between plasma thiol levels and percentage carotid narrowing in a group of 68 patients who underwent a carotid endarterectomy, pertained as a risk factor for vascular and cardiovascular disease...

Keywords: carotid endarterectomy, cysteine, homocysteine, restenosis

10/2005 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
Elevated plasma cysteinylglycine levels caused by cilastatin-associated antibiotic treatment

Imipenem (thienamycin formamidine), a broad-spectrum ?-lactam antibiotic, is always used in combination with cilastatin in order to avoid the premature breakdown of imipenem by renal tubular dipeptidase...

Keywords: aminothiols, cilastatin, cysteine, cysteinylglycine, glutathione, imipenem

03/2005 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
Aminothiols in human brain tumors

Background: Aminothiols are sulfur-containing amino acids involved in methionine metabolism...

Keywords: cysteine, homocysteine, Methionine, tissue, tumor

08/2006 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
Hyperhomocysteinaemia and immune activation in patients with cancer

Background: Recently, homocysteine production was observed in tumour cell lines and homocysteine was proposed as a tumour marker...

Keywords: Cancer, cysteine, folate, homocysteine, inflammation, neopterin, vitamin B12

01/2007 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
L-Cysteine supplementation prevents exercise-induced alterations in human erythrocyte membrane acetylcholinesterase and Na+,K+-ATPase activities

Background: L-Cysteine (L-Cys) is implicated in the reduction of free radical production...

Keywords: acetylcholinesterase, cysteine, Exercise, Na+,K+-ATPase, Oxidation

01/2007 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
Association between plasma thiols and immune activation marker neopterin in stable coronary heart disease

Background: Studies have associated elevated plasma levels of the thiols homocysteine and cysteine with an increased risk of atherosclerosis...

Keywords: coronary heart disease, cysteine, gender difference, homocysteine, neopterin

05/2008 | Clinical Chemical Laboratory Medicine, Walter de Gruyter