Antonia Zuñiga

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Leukocyte adhesion and other injury parameters have been studied in the aortic endothelium of Sprague-Dawley rats in two situations: (1) spontaneous pathology in conventional rats with antibodies to Mycoplasma pulmonis and/or Kilham or Sendai viruses, and (2) intravascular coagulation by thrombin administration in SPF rats. Adhesion (esterase (+)(More)
The properties of the Na/K pump and Na,K,Cl cotransporter were studied in vascular tissue of two-kidney Goldblatt hypertensive rats. These transport systems were measured as ouabain-sensitive and bumetanide-sensitive 86Rb/K uptake in aortic rings, left ventricular muscle and soleus skeletal muscle fibers of control and hypertensive Sprague-Dawley rats. A(More)
BACKGROUND Institutionalization is a risk factor for malnutrition. Low energy intake and/or nutrient deficiencies are considered to be the main causes. OBJECTIVE To evaluate the quality of meals and meal service as well as the nutritional value of the main menus (regular menu, menu for diabetics, and pureed menu) offered in three long-term care (LTC)(More)
A comparative study of leukocyte adhesion to the endothelium of the thoracic aorta and left carotid artery in rats has been performed after administration of two hyperlipidemic diets for 15 days, proinflammatory agents (thrombin, lipopolysaccharide and zymosan activated serum) and plasma expanders [dextran, polyvinylpyrrolidone (PVP), rat albumin and(More)
To investigate whether the proinflammatory activity of intravenously administered albumins is related to their preparation method, we compared bovine albumins obtained by alcohol precipitation and by heat shock. This last procedure produced a notable increase in monocyte adhesion/mm2 in rat carotid endothelium (48 +/- 31, n = 32 rats, vs 7 +/- 6, n = 24(More)
Phagocytosis has been used to characterize on a functional basis leukocytes adhered to the aortic endothelium of the rat. After intravenous administration of particles, phagocytosis was observed microscopically in esterase-positive leukocytes adhered to the endothelium in whole mounts of aorta. Polybead blue and red, 0.5 and 1 microns particle size, were(More)
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