An ontogenic study of the acute inflammatory response in the rhesus monkey. II. The mediation of increased vascular permeability by histamine, compound 48/80 and bradykinin

L. W. Schwartz, Bennie Osburn

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Abstract

Vascular permeability as a function of age was evaluated quantitatively and morphologically in skin of fetal Rhesus monkeys given vasoactive mediators. The response was examined at 90, 120 or 150 days of gestation or at birth and compared to the response of yearling Rhesus monkeys. Skin sites were challenged with histamine, compound 48/80 or bradykinin. Evans' blue and horseradish peroxidase were used as markers of vascular integrity. Evans' blue was quantified spectrophotometrically. Vascular permeability during fetal life was depressed. Fetal venules and capillaries had poorly formed basement membranes, an abundance of microfilaments within endothelial cells, occasional electron dense endothelial cells and infrequent deposits of extravascular peroxidase.

Original languageEnglish (US)
Pages (from-to)358-366
Number of pages9
JournalVeterinary Pathology
Volume15
Issue number3
DOIs
StatePublished - Jan 1 1978

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p-Methoxy-N-methylphenethylamine
bradykinin
Evans Blue
Capillary Permeability
Bradykinin
histamine
Macaca mulatta
blood vessels
Histamine
permeability
Endothelial Cells
inflammation
skin (animal)
Skin
endothelial cells
Venules
peroxidase
Horseradish Peroxidase
Actin Cytoskeleton
Basement Membrane

ASJC Scopus subject areas

  • veterinary(all)

Cite this

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