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1.
Ren Fail ; 29(7): 927-30, 2007.
Article in English | MEDLINE | ID: mdl-17994463

ABSTRACT

Fenofibrate, a fibric acid derivative, is used to treat diabetic dyslipidemia, hypertriglyceridemia, and combined hyperlipidemia alone or in combination with statins. Rhabdomyolysis is defined as a pathological condition of skeletal muscle cell damage leading to the release of toxic intracellular material into the circulation. Its major causes include trauma, ischemia, toxins, metabolic disorders, infections, and drugs. Rhabdomyolysis associated with fenofibrate is extremely rare. In nearly all of the presented cases, there was a predisposing factor for rhabdomyolysis such as diabetes, older age, renal insufficiency, and hypothyroidism. Here, we report a nondiabetic, nonhypothyroidic young female patient without any known prior renal disease presenting with acute renal failure developing after fenofibrate treatment.


Subject(s)
Acute Kidney Injury/etiology , Fenofibrate/adverse effects , Hypolipidemic Agents/adverse effects , Rhabdomyolysis/chemically induced , Rhabdomyolysis/complications , Adult , Creatine Kinase/blood , Female , Humans
2.
Biocell ; 31(1): 61-66, abr. 2007. ilus
Article in English | BINACIS | ID: bin-122869

ABSTRACT

Eukaryotic elongation factor 2 (eEF-2) can undergo ADP-ribosylation in the absence of diphtheria toxin. The binding of free ADP-ribose and endogenous transferase-dependent ADP-ribosylation were distinct reactions for eEF-2, as indicated by different findings. Incubation of eEF-2 tryptic fragment 32/33 kDa (32F) with NAD was ADP-ribosylated and gave rise to the covalent binding of ADP-ribose to eEF-2. 32F was revealed to be at the C-terminal by Edman degradation sequence analysis. In our study, the elution of 32F from SDS-PAGE was ADP-ribosylated both in the presence and absence of diphtheria toxin. These results suggest that endogenous ADP-ribosylation of 32F might be related to protein synthesis. This modification appears to be important for the cell function.(AU)


Subject(s)
Animals , Rats , ADP Ribose Transferases , Adenosine Diphosphate Ribose/metabolism , Bacterial Toxins/metabolism , Glycosylation , Peptide Elongation Factor 2 , Peptide Fragments/metabolism
3.
Biocell ; 31(1): 61-66, abr. 2007. ilus
Article in English | LILACS | ID: lil-491538

ABSTRACT

Eukaryotic elongation factor 2 (eEF-2) can undergo ADP-ribosylation in the absence of diphtheria toxin. The binding of free ADP-ribose and endogenous transferase-dependent ADP-ribosylation were distinct reactions for eEF-2, as indicated by different findings. Incubation of eEF-2 tryptic fragment 32/33 kDa (32F) with NAD was ADP-ribosylated and gave rise to the covalent binding of ADP-ribose to eEF-2. 32F was revealed to be at the C-terminal by Edman degradation sequence analysis. In our study, the elution of 32F from SDS-PAGE was ADP-ribosylated both in the presence and absence of diphtheria toxin. These results suggest that endogenous ADP-ribosylation of 32F might be related to protein synthesis. This modification appears to be important for the cell function.


Subject(s)
Animals , Rats , ADP Ribose Transferases , Adenosine Diphosphate Ribose/metabolism , Glycosylation , Bacterial Toxins/metabolism , Peptide Fragments/metabolism
4.
Int J Clin Pharmacol Ther ; 42(6): 328-9, 2004 Jun.
Article in English | MEDLINE | ID: mdl-15222725

ABSTRACT

Valsartan is a strong angiotensin receptor inhibitor specific for the angiotensin I receptor, which has been proven safe and well-tolerated in clinical trials. We were able to confirm its safety and tolerability in a case of high-dose exposure to valsartan with suicidal intention. A 25-year-old, fully conscious, female patient was brought to our hospital by relatives on July 24, 2001, at 9:15 p.m. following intake of a high dose of valsartan. It was established that she had taken 28 Diovan 80 mg tablets (2.24 g) 5 hours before admission to the hospital. Her clinical condition at the time of admission was good and did not deteriorate after admission. During the follow-up, her blood pressure never fell below 90/60 mmHg. The only complaint she had were painful muscle cramps which, with only supportive therapy, disappeared spontaneously over 2 days, and her blood pressure also returned to normal during this period. This report demonstrates the effect/side effect profile of valsartan when taken at a high dose, not achievable in a clinical trial.


Subject(s)
Antihypertensive Agents/poisoning , Suicide, Attempted , Tetrazoles/poisoning , Valine/poisoning , Adult , Female , Humans , Valine/analogs & derivatives , Valsartan
5.
New Microbiol ; 26(3): 275-80, 2003 Jul.
Article in English | MEDLINE | ID: mdl-12901424

ABSTRACT

Resistance emergence to carbapenem antibiotics was studied in a rat-thigh abscess model. Abscesses were developed in three groups with a total of 15 P. aeruginosa strains (three rats per strain). Groups were assigned to imipenem or meropenem treatment while one was left antibiotic-free. Test strains were fully susceptible to these antibiotics and the "Mutant Preventing Concentrations" of imipenem and meropenem over these strains were comparable. Antibiotic serum levels, assessed by serum bioassay test, were similar among therats. After four days, rats (n=45) were sacrificed and carbapenem resistant mutants were selected on imipenem (4 mg/L) and meropenem (4 mg/L) supplemented agar plates. Resistant variants of three strains, from four abscesses, were detected; one in the meropenem group, two in the imipenem and one in the untreated group. The MICs of imipenem and meropenem for the mutants were increased fourfold times or even higher of their counterparts. Resistance emergence under antibiotic pressure in P. aeruginosa has been shown in various conditions. To our knowledge, however, resistance emergence in abscess and also the comparison of imipenem and meropenem in this regard has not been studied before.


Subject(s)
Abscess/drug therapy , Carbapenems/pharmacology , Imipenem/pharmacology , Pseudomonas Infections/drug therapy , Pseudomonas aeruginosa/drug effects , Thienamycins/pharmacology , Abscess/microbiology , Animals , Drug Resistance, Bacterial , Male , Meropenem , Microbial Sensitivity Tests , Pseudomonas Infections/microbiology , Pseudomonas aeruginosa/genetics , Rats , Rats, Wistar , Selection, Genetic
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