Abstract
A method is described for the dissociation of guinea pig lung and mesentery into their component cells. The method comprises incubation of the tissues with the enzyme pronase in Ca++- and Mg++-free saline followed by mechanical dispersion and yields on average 3-8% free mast cells. These cells are morphologically intact and viable. They retain an active sensitization or can be passively sensitized. The levels of cAMP and cGMP in the whole cell suspension respond to catecholamine, histamine or cholinergic stimulation in a way similar to that observed in the corresponding undispersed tissue. Although the separation of guinea pig mast cells from other cells proved to be more difficult than the purification of rat mast cells, an inrichment of greater than 50% has been achieved. The mast cells isolated by this method proliferate in vitro and have been cultured successfully for several months.
MeSH Terms
Anaphylaxis
Animals
Cells, Cultured
Cyclic AMP/metabolism
Cyclic GMP/metabolism
Female
Guinea Pigs/immunology
Histamine Release
Immunization, Passive
Lung/cytology,immunology
Male
Mast Cells/immunology,physiology,ultrastructure
Mesentery/cytology,immunology
Microscopy, Electron
Organ Specificity
Pronase
Chemicals
Cyclic AMP
Pronase
Cyclic GMP
Authors & Affiliations
7 authors, click to expand affiliations / ORCID
Pearce F L
Behrendt H
Blum U
Poblete-Freundt G
Pult P
Stang-Voss C
Schmutzler W
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