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Página 1 desde 51 resultados
Use of the intestinal bile acid transporter for the uptake of cholic acid conjugates with HIV-1 protease inhibitory activity.
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OBJECTIVE
To investigate the ability of the human intestinal bile acid transporter to transport cholic acid conjugates with potential HIV-1 protease inhibitory activity.
METHODS
Cholic acid was conjugated at the 24 position of the sterol nucleus with various amino acids and amino acid analogs. The
[Renal colic and lithiasis in HIV(+)-patients treated with protease inhibitors].
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BACKGROUND
Protease inhibitors, mainly Indinavir, are widely used drugs for the treatment of patients infected by the human immunodeficiency virus (HIV) and are related to renal colic and urinary obstruction. These conditions are the result of urine excretion of these drugs which favours the
Protease inhibitor-induced urolithiasis.
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OBJECTIVE
To describe protease inhibitor-induced urinary stone disease in patients with human immunodeficiency virus (HIV) or acquired immunodeficiency syndrome (AIDS) who are taking indinavir sulfate (Crixivan), a protease inhibitor, for the treatment of AIDS.
METHODS
Patients with HIV/AIDS and
Protease inhibitors and urolithiasis.
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OBJECTIVE
We discuss the specific urological abnormalities associated with protease inhibitor therapy.
METHODS
We report on a human immunodeficiency virus positive patient who was on protease inhibitor therapy and presented with renal colic.
RESULTS
The stone passed spontaneously. Stone analysis was
Incidence of and risk factors for adverse drug reactions in a prospective cohort of HIV-infected adults initiating protease inhibitor-containing therapy.
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Risk factors associated with the occurrence of protease inhibitor (PI)-related severe and serious adverse drug reactions (SADRs) were analyzed in a prospective cohort of 1155 patients who initiated PI-containing therapy. During a total follow-up of 2037 patient-years, 169 SADRs were reported,
Formation of transient dimers by a retroviral protease.
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Retroviral proteases have been shown previously to be only active as homodimers. They are essential to form the separate and active proteins from the viral precursors. Spumaretroviruses produce separate precursors for Gag and Pol, rather than a Gag and a Gag-Pol precursor. Nevertheless, processing
The thymus-specific serine protease TSSP/PRSS16 is crucial for the antitumoral role of CD4(+) T cells.
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In cancer, immune cells can play conflicting roles, either protective, by elimination of tumor cells during immune surveillance, or detrimental, by promoting carcinogenesis during inflammation. We report here that the thymus-specific serine protease (TSSP), which is involved in CD4(+) T cell
Risk factors for urological symptoms in a cohort of users of the HIV protease inhibitor indinavir sulfate: the ATHENA cohort.
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BACKGROUND
Nephrolithiasis is a well-known complication of indinavir treatment and may result in urological symptoms ranging from renal colic to renal insufficiency.
OBJECTIVE
To obtain further knowledge regarding the incidence and risk factors of urological symptoms associated with indinavir
Effects of topical application of lipopolysaccharide and proteases on hepatic injury induced by high-cholesterol diet in rats.
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OBJECTIVE
Topical application of lipopolysaccharide and proteases to the gingival sulcus induced not only periodontal inflammation but also detectable liver changes in rats fed a normal diet. However, these changes in the liver were not sufficient to induce pathological consequences. The purpose of
Plasma bile acid concentrations in patients with human immunodeficiency virus infection receiving protease inhibitor therapy: possible implications for hepatotoxicity.
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OBJECTIVE
To evaluate whether patients with human immunodeficiency virus (HIV) infection who were receiving protease inhibitor therapy had altered bile acid concentrations compared with noninfected control subjects, and whether bile acid concentrations could predict the onset of hepatotoxicity
Stability of Vegetal Diamine Oxidase in Simulated Intestinal Media: Protective Role of Cholic Acids.
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Food biogenic amines, in particular, histamine, are often responsible for various enteric and vascular dysfunctions. Several years ago, the oral administration of copper-containing diamine oxidase (DAO), also called histaminase, able to oxidatively deaminate biogenic amines, had been suggested as a
Development of an enzyme-linked immunosorbent assay for equine neutrophil elastase measurement in blood: preliminary application to colic cases.
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Equine neutrophil elastase (NE) is a protease released in inflammatory diseases and participating in tissue destruction. To measure NE in horse plasma to assess its role in pathological conditions, we purified elastase from equine neutrophils by a double step chromatography and obtained a pure
Detection of proteases using an immunochemical method with haptenylated-gelatin as a solid-phase substrate.
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A simplified method for the measurement of proteases utilising solid-phase substrates incorporating an ELISA end-point detection step is described. Gelatin-hapten conjugates adsorbed onto polystyrene surfaces were found to be efficient substrates for proteases. Digestion of the solid-phase
Case of a bleeding pseudoaneurysm of the middle colic artery complicating acute pancreatitis.
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Massive bleeding from a pseudoaneurysm is rare, but it can be a life-threatening complication in patients with acute pancreatitis. We present a case in which massive bleeding from a pseudoneurysm in the middle colic artery complicating acute pancreatitis was successfully treated by transcatheter
Evidence that cholic acid CoA ligase is located asymmetrically on the cytoplasmic surface of hepatic microsomal vesicles.
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The cholic acid CoA ligase activity of rat liver was quantitatively inactivated by proteolysis with pronase, chymotrypsin, subtilisin, or proteinase K in intact microsomal vesicles. Under the conditions employed, less than 14% of the lumenal mannose-6-phosphate phosphatase activity was lost, and the
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