Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2007-7-30
pubmed:abstractText
Immunocytochemical localization studies of S100A1 in muscle cells have so far yielded variable and conflicting results mainly due to different sample preparation techniques for immunoelectron microscopy. To minimize denaturation by fixation and embedding, cryofixation and cryosectioning followed by immunolabelling were used in the present study. Rat hearts were gently prefixed in a mixture of paraformaldehyde and glutaraldehyde. Samples from left and right ventricles and left and right atria were cryoprotected by sucrose and shock-frozen in liquid nitrogen. Ultrathin cryosections were labelled with rabbit polyclonal antiserum against S100A1. The sections were then incubated with secondary antibody conjugated to FITC (for fluorescence microscopy) or with protein A conjugated to 5 nm gold particles (for electron microscopy). The most prominent sites immunolabelled for S100A1 were mitochondria. In the fluorescence microscope the labelling of mitochondria was intense, suppressing the labelling in other compartments. In accordance with previous studies labelling of sarcoplasmic reticulum, Z-lines, actin and myosin filaments could also be detected in the electron microscope.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0231-5882
pubmed:author
pubmed:issnType
Print
pubmed:volume
26
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
143-9
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
Immunocytochemical localization of S100A1 in mitochondria on cryosections of the rat heart.
pubmed:affiliation
Institute of Molecular Physiology and Genetics, Slovak Academy of Sciences, Vlárska 5, 844 34 Bratislava 37, Slovakia. branislav.uhrik@savba.sk
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't