Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Newlands, G.F. et al.

Concomitant detection of mucosal mast cells and eosinophils in the intestines of normal and Nippostrongylus-immune rats. A re-evaluation of histochemical and immunocytochemical techniques.

The granules of mucosal mast cells (MMC) in the rat and man are apparently poorly fixed with formaldehyde and special fixation techniques are normally used to demonstrate MMC glycosaminoglycans (GAG) in these two species. However such techniques do not permit the study of MMC granule enzyme cytochemistry or the demonstration of eosinophils. We have, therefore, examined some histochemical and immunocytochemical properties of MMC and eosinophils in normal and parasitised rats following various fixation procedures. Immersion fixation of rat intestine in 4% paraformaldehyde for 6 h not only facilitated the demonstration of MMC glycosaminoglycans with basic dyes but also permitted the concomitant staining of eosinophils with acidophilic dyes. A MMC granule-associated serine esterase was also demonstrated by enzyme cytochemistry and rat mast cell protease II was detected within MMC granules by immunocytochemistry. This new methodology obviates the requirement for separate fixation procedures in the identification and characterisation of MMC/eosinophil interactions in normal and parasitised rat intestinal mucosa.[1]

References

Concomitant detection of mucosal mast cells and eosinophils in the intestines of normal and Nippostrongylus-immune rats. A re-evaluation of histochemical and immunocytochemical techniques. Newlands, G.F., Huntley, J.F., Miller, H.R. Histochemistry (1984) [Pubmed]

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