Calcitonin gene-related peptide, neuropeptide Y and atrial natriuretic peptide distribution in guinea pig heart from paraffin wax-embedded and formalin-cryoprotected tissues

In this study, the distributions of calcitonin gene-related peptide, neuropeptide Y, and alpha-atrial natriuretic peptide 1-28 immunoreactivity, were investigated within different regions of the guinea pig heart by utilising two different methods of tissue fixation for the immunocytochemistry. The r...

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Veröffentlicht in:Journal of molecular histology 1999-09, Vol.31 (9), p.617-622
Hauptverfasser: Onuoha, G N, Alpar, E K, Nicholls, D P, Buchanan, K D
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container_title Journal of molecular histology
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creator Onuoha, G N
Alpar, E K
Nicholls, D P
Buchanan, K D
description In this study, the distributions of calcitonin gene-related peptide, neuropeptide Y, and alpha-atrial natriuretic peptide 1-28 immunoreactivity, were investigated within different regions of the guinea pig heart by utilising two different methods of tissue fixation for the immunocytochemistry. The results were compared with data obtained through radioimmunoassays. We observed similar concentrations and distributions of alpha-atrial natriuretic peptide in the right atrium, with results of radioimmunoassay and immunocytochemistry, but there were no myocytes containing alpha-atrial natriuretic peptide in the left atrium or ventricles with immunocytochemistry as opposed to radioimmunoassay. The immunoreaction obtained for neuropeptide Y was more intense in the right ventricle than left. Calcitonin gene-related peptide nerve fibres were about twice as abundant in the left atrium than in the right.
doi_str_mv 10.1023/A:1003859209710
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1573-6865
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subjects Animals
Atrial Natriuretic Factor - metabolism
Calcitonin Gene-Related Peptide - metabolism
Cryopreservation
Female
Formaldehyde
Guinea Pigs
Male
Myocardium - metabolism
Myocardium - pathology
Neuropeptide Y - metabolism
Paraffin Embedding
Peptides
Radioimmunoassay
Rodents
title Calcitonin gene-related peptide, neuropeptide Y and atrial natriuretic peptide distribution in guinea pig heart from paraffin wax-embedded and formalin-cryoprotected tissues
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