Abstract：
:Using isoenzyme-specific antisera, we have studied the distribution of protein kinase C isoforms in fetal mouse organs at the developmental age of 17 days. Two different sets of antibodies, produced by different manufacturers, were employed in this study. The specificity of the antisera was tested by immunoblotting experiments using whole fetal mouse extracts. Immunohistochemistry was carried out by means of an alkaline phosphatase-conjugated secondary antibody. Analysis of fetal mouse longitudinal cryostat sections stained with the antibodies demonstrated a distinct distribution of protein kinase C isoforms in the tissues. Protein kinase C-alpha and C-beta I were present in all tissues examined, whereas the C-beta II isoform was absent in the lung and the liver. Protein kinase C-gamma was identified in brain, spinal ganglia, and adrenal gland. The C-epsilon isoenzyme was abundantly expressed in spinal ganglia and in the smooth muscle cells of the bronchial wall. Antisera to C-zeta and C-eta isoforms heavily stained liver, kidney, and spinal ganglia, whereas the C-theta isozyme was mainly detected in brain, stomach and kidney. Thus, protein kinase C-alpha, C-beta I, C-beta II, C-zeta, C-eta and C-theta were the isoforms present in many of the organs investigated. The two sets of antibodies gave slightly different results that might be ascribed to the different epitopes recognized by the antisera. One set of antisera was employed to investigate the distribution of the isoforms in selected organs from an earlier developmental age (15 days) and from adult animals.(ABSTRACT TRUNCATED AT 250 WORDS)
journal_name
Cell Tissue Resjournal_title
Cell and tissue researchauthors
Bareggi R,Grill V,Zweyer M,Narducci P,Martelli AMdoi
10.1007/BF00318364subject
Has Abstractpub_date
1995-06-01 00:00:00pages
617-25issue
3eissn
0302-766Xissn
1432-0878journal_volume
280pub_type
杂志文章abstract：:We have recently examined the electrophysiology and ultrastructure of approximately 100 tactile spines from the metathoracic legs of adult cockroaches. In only one animal the single sensory neuron that innervates the spine was replaced with a pair of apparently identical neurons which we believe were both functional. ...
journal_title：Cell and tissue research
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