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135 Possible Causes for Ornithine Increased

  • Hyperornithinemia-Hyperammonemia-Homocitrullinuria Syndrome

    Ornithine and homocitrulline also induced protein oxidative damage, increasing carbonyl formation and sulfhydryl oxidation.[] Renal fraction excretion of citrulline, lysine, ornithine, glycine, alanine, and tyrosine increased more than 3-fold during ornithine priming, whereas all amino acids were[] During therapy with citrulline and phenylbutyrate sodium, plasma ornithine levels increased in both patients, while plasma levels of glutamine and alanine decreased to normal[]

  • Hyperornithinemia

    Urinary excretion of ornithine was also markedly increased.[] Increased amounts of 3-amino-2-piperidone were found in the urine, but these did not increase after the arginine-induced increase in ornithine levels.[] There was no increase in serum proline after the oral loading of ornithine in the patients, whereas serum proline increased after the loading in normal controls.[]

  • Pseudomonas Aeruginosa

    […] converted to ornithine but not entirely consumed at the end of growth.[] Under strictly anaerobic conditions (O2 at less than 1 ppm), growth could be measured as an increase in protein and proceeded in a non-exponential way; arginine was largely[]

  • Liver Cirrhosis

    It lowers blood ammonia levels by increasing metabolism of ammonia to glutamine.[] Experimental therapies Oral L-ornithine-L-aspartate (LOLA) is a stable salt of two amino acids[ 194 ].[]

  • Chronic Fatigue Syndrome

    Hydroxyproline was increased in females with chronic fatigue ( Table 3, Females).[] P5C is converted to glutamate semialdehyde (GSA) nonenzymatically, then to ornithine under stress conditions.[] This reaction is catalyzed by what is often considered the reverse reaction of the mitochondrial enzyme, ornithine amino transferase (OAT).[]

  • Nephrolithiasis

    […] of lysine, ornithine, cystine and arginine because of defective reabsorption in the nephron ( Table 6 ).[] CYSTINE STONES Cystine stones are found in patients with inherited defects of dibasic amino acid transport in the kidney and intestine, leading to increased urinary excretion[]

  • Zinc Deficiency

    Rabbani and Prasad ( 49 ) observed a decrease in hepatic ornithine transcarbamoylase activity and an increase in plasma ammonia levels in zinc-deficient rats.[] Plasma ammonia and liver ornithine transcarbamoylase activity in zinc-deficient rats. Am J Physiol. 1978; 235 :E203–6 [ PubMed ] [ Google Scholar ] 50.[] Plasma ammonia and liver ornithine transcarbamoylase activity in zinc-deficient rats . Am J Physiol. 1978 ; 235 : E203 – 6 . 50.[]

  • Schizophrenia

    A metabolomics plasma study identified higher concentration of ornithine and lower concentrations of arginine, glutamine, histidine and phosphatidylcholine ae C38:6 in schizophrenic[] Cytokine challenge increases 3-hydroxykynurenine production Johansson et al, 2013 Schizophrenia patients frequently display reduced niacin flush responses Lien et al, 2013[] […] patients He et al, 2012 Serum levels of IL1B, IL6 TNF and adiponectin increased in first episode schizophrenia Song et al, 2013 Decreased IL10 serum levels in first-episode[]

  • Fibrolamellar Hepatocellular Carcinoma

    […] uracil, suggesting an ornithine transcarbamylase (OTC) deficiency.[] These include suppression of the OTC enzyme or increased utilization of arginine by the tumor for proliferation, leading to a deficiency of ornithine and consequently a deficiency[] Given the persistently elevated ammonia level, a work-up for an underlying urea cycle disorder was performed, revealing trace citrulline and increased urine orotic acids and[]

  • Connective Tissue Disease

    […] hypertonia, seizures, psychosis Treatment: Nicotinamide Cystinuria Renal dibasic amino acid transporter — Biochemical profile: Elevated urinary cystine, lysine, arginine, and ornithine[] Clinical features: Nephrolithiasis, increased risk of impaired cerebral function Treatment: Maintenance of fluid intake, bicarbonate or citrate, penicillamine or mercaptopropionylglycine[]

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