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Urea circle disorders

Yu-Chen Shi, Wei-Wei Lu, Yue-Long Hou, Kun Fu, Feng Gan, Shu-Juan Cheng, Shao-Ping Wang, Yong-Fen Qi, Jing-Hua Liu
Background: Chronic kidney disease (CKD) is closely related to the cardiovascular events in vascular calcification (VC). However, little has known about the characteristics of kidney injury caused by VC. Fibroblast growth factor 21 (FGF21) is an endocrine factor, which takes part in various metabolic actions with the potential to alleviate metabolic disorder diseases. Even FGF21 has been regarded as a biomarker in CKD, the role of FGF21 in CKD remains unclear. Therefore, in this study, we evaluate the FGF21 on the kidney injury in VC rats...
March 5, 2018: Chinese Medical Journal
V N Pavlov, A V Alekseev, A F Agaverdiev, R R Ishemgulov
Taking into account the high prevalence of renal disease in metabolic syndrome (MS), relationship between the reduction of the renal function and severity of disorders of lipid metabolism and increased risk of cardiovascular complications, evaluation of electrolyte and nitrogen metabolism was performed for 112 patients with MS. In addition, serum levels ofaldosterone, adrenocorticotropic hormone, neutrophil gelatinase-associated lipocalin, cortisol, beta2-microglobulin, vasopressin, and level of microalbumin in urine were assessed...
July 2012: Urologii︠a︡
D Bezinover, L Douthitt, P M McQuillan, A Khan, P Dalal, J Stene, T Uemura, Z Kadry, P K Janicki
We present a case of severe hyperammonemia with subsequent brain herniation in an adult man after renal transplantation. After successful surgery and an initially uneventful postoperative course, the patient developed significant mental status changes associated with seizure activity. His condition rapidly deteriorated, requiring mechanical ventilation and cardiovascular support. Laboratory studies at that time demonstrated an increased serum ammonia level without evidence of liver or kidney dysfunction. Further investigation revealed an increased orotic acid level in the urine, suggesting a urea cycle disorder (UCD)...
June 2010: Transplantation Proceedings
Rafal T Olszewski, Noreen Bukhari, Jia Zhou, Alan P Kozikowski, Jarda T Wroblewski, Susan Shamimi-Noori, Barbara Wroblewska, Tomasz Bzdega, Stefano Vicini, Franca B Barton, Joseph H Neale
Phencyclidine (PCP) administration elicits positive and negative symptoms that resemble those of schizophrenia and is widely accepted as a model for the study of this human disorder. Group II metabotropic glutamate receptor (mGluR) agonists have been reported to reduce the behavioral and neurochemical effects of PCP. The peptide neurotransmitter, N-acetylaspartylglutamate (NAAG), is a selective group II agonist. We synthesized and characterized a urea-based NAAG analogue, ZJ43. This novel compound is a potent inhibitor of enzymes, glutamate carboxypeptidase II (K(i) = 0...
May 2004: Journal of Neurochemistry
S Al Deeb, K Al Moutaery, H A Khan, M Tariq
This study describes the effect of gentamicin, an aminoglycoside antibiotic on iminodipropionitrile (IDPN)-induced abnormal neurobehavioral syndrome in female Sprague-Dawley rats. The animals were exposed to IDPN in the dose of 100 mg/kg/day intraperitoneally for 7 days. Gentamicin (GM) was administered intraperitoneally daily 1 h before IDPN in the doses of 10, 40, and 80 mg/kg body weight in three different groups of rats. One more group of animals received gentamicin alone (80 mg/kg) and served as the gentamicin-alone group...
March 2000: Neurotoxicology and Teratology
C H Frith, L W Chang, D L Lattin, R C Walls, J Hamm, R Doblin
Methylenedioxymethamphetamine (MDMA) was administered to dogs and rats orally once a day for a 28-day period to evaluate the morphological and neuropathological effects. Major clinical signs associated with the administration of MDMA in the dog included circling, depression, dilated pupils, hyperactivity, rapid breathing, and salivation. Major clinical signs in the rat included hyperactivity, excitability, piloerection, exophthalmos, and salivation. Gross observations at necropsy in the dog possibly related to administration of the test article included reduced testicular size (one high and one medium dose) and prostatic enlargement in two high-dose animals...
July 1987: Fundamental and Applied Toxicology: Official Journal of the Society of Toxicology
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