Pharmacokinetics/pharmacodynamics ratios of enrofloxacin HCl-2HO (enro-C) in cows to treat bovine leptospirosis prompted this clinical trial in the highlands (HL) and the tropics (TL) in Mexico. In the HL, 111 Holstein-Friesian cows were included and 38 F1 Zebu-Holstein/Friesians in the TL. Affected cows were randomly divided into two treatment groups, both in the HL and TL.
View Article and Find Full Text PDFTilmicosin is an antimicrobial agent used to treat intramammary infections against Staphylococcus aureus and has clinical anti-inflammatory effects. However, the mechanism by which it modulates the inflammatory process in the mammary gland is unknown. We evaluated the effect of tilmicosin treatment on the modulation of the mammary innate immune response after S.
View Article and Find Full Text PDFTuberculosis is one of the leading causes of human morbidity and mortality. (Mtb) employs different strategies to evade and counterattack immune responses persisting for years. Mast cells are crucial during innate immune responses and help clear infections inflammation or by direct antibacterial activity through extracellular traps (MCETs).
View Article and Find Full Text PDFRev Invest Clin
October 2012
Objectives: A longitudinal, randomized, single blind study was done to evaluate the efficacy of an antibacterial hybrid molecule (beta-lactamic-fluoroquinolone) named cephalone after biliary-enteric-bypass (BEB).
Material And Methods: Four groups of mongrel dogs were operated on three consecutive periods. Cultures of bile and liver were obtained and assessed, followed by obliteration of common bile duct and BEB to groups A, B and C.
To test if capsaicin could improve the bioavailability of ciprofloxacin (1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid, CAS 85721-33-1, Bay q 3939) in rats, 0.01, 0.1, 0.
View Article and Find Full Text PDFFasciola hepatica secretes proteolytic enzymes during liver invasion. The present study examined the effects of the cysteine protease inhibitor Ep-475 on sheep considering the following variables: serum levels of aspartate aminotransferase, L-lactate dehydrogenase, and gamma-glutamyltransferase, liver fluke fecundity, egg viability, parasite burden, and size. Twenty-four male sheep were randomly allocated in four groups of six animals each as follows: group A was infected with F.
View Article and Find Full Text PDFObjective: To characterize behavioral and physiological responses to short-term, unsupplemented intravenous (IV) anesthesia in healthy horses at high altitude (2240 m), and to test the hypothesis that the dose of butorphanol modifies the response of the horse to propofol anesthesia following xylazine pre-medication.
Study Design: Randomized prospective butorphanol dose cross-over experimental design. Animals Eight healthy horses, 13 +/- 6 (mean +/- SD) years of age, and weighing 523 +/- 26 kg.
Objective: To evaluate chemotactic, phagocytic, and bactericidal activities of bovine and porcine alveolar macrophages (AM) exposed to tilmicosin.
Animals: 12 healthy calves and 12 healthy pigs.
Procedures: Lungs were obtained immediately after euthanasia; AM were collected by means of bronchoalveolar lavage and density gradient centrifugation.
Fasciola hepatica secretes cysteine proteases that play a role in facilitating parasite migration. The aim of this study was to detect the inhibition of the proteolytic activity of F. hepatica cysteine proteases in the liver of C57BL/6 cathepsin B knockout mice (cat B-/-) and wild-type controls (cat B+/+) by intraperitoneal administration of N-[N-(L-3-trans-carboxyoxirane-2-carbonyl)-L-leucyl]-agmatine, (E-64) using the film in situ zymography (FIZ) technique and image analysis.
View Article and Find Full Text PDFVet Clin North Am Food Anim Pract
November 2003
This article reviews clinical pharmacology in food animal production in Canada and Mexico. The authors discuss topics such as drug availability, the drug-approval process, availability (prescription or over-the-counter) of drugs to producers, withdrawal times, and extralabel drug use. Drugs that are prohibited and proactive measures for drug use in Canadian food animals also are reviewed.
View Article and Find Full Text PDFBACKGROUND: Adverse drug reactions (ADR's) could be expected more frequently in pregnant women. This study was performed in order to identify ADR's to tocolytic drugs in hospitalised pregnant women. METHODS: A prospective cohort study was performed in two General Hospitals of the Instituto Mexicano del Seguro Social (IMSS) in Mexico City.
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