Localization of αvβ3-like integrin in cultivated larval cells of the mussel Mytilus trossulus during neuronal and muscle differentiation

Using immunofluorescence phenotyping, the expression of αvβ3-like integrin was examined during neuronal and muscle differentiation in cell cultures derived from trochophore larvae of the mussel Mytilus trossulus . We have demonstrated that some mussel cells grown on fibronectin in vitro express the...

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Bibliographic Details
Published in:Journal of molecular histology 2012-08, Vol.43 (4), p.449-459
Main Authors: Odintsova, Nelly A., Maiorova, Maria A.
Format: Article
Language:English
Subjects:
Actin Cytoskeleton - metabolism
Animals
Biomedical and Life Sciences
Biomedicine
Cell Biology
Cell Differentiation
Cells, Cultured
Developmental Biology
Extracellular Matrix - metabolism
Extracellular Matrix - ultrastructure
Fibronectins - metabolism
FMRFamide - metabolism
Integrin alphaVbeta3 - isolation & purification
Integrin alphaVbeta3 - metabolism
Life Sciences
Muscle Development
Muscles - metabolism
Muscles - ultrastructure
Mytilus
Neurons - metabolism
Neurons - ultrastructure
Original Paper
Serotonin - metabolism
Tropomyosin - metabolism
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Summary:Using immunofluorescence phenotyping, the expression of αvβ3-like integrin was examined during neuronal and muscle differentiation in cell cultures derived from trochophore larvae of the mussel Mytilus trossulus . We have demonstrated that some mussel cells grown on fibronectin in vitro express the extracellular matrix (ECM) αvβ3 integrin-like receptor. At the same time, the distribution of αvβ3-like integrin is not ubiquitous, i.e. it depends on the cell type and the time of cultivation. Using immunohistochemical staining, we have found that only in some cells this integrin is co-localized with molluscan neuronal markers, neurotransmitters serotonin (5-HT) or Phe-Met-Arg-Phe-NH 2 neuropeptide (FMRFamide), and also with filament actin but not with paramyosin. Although we have previously shown that an integrin-dependent mechanism is involved in cell adhesion and differentiation of muscle cells of Mytilus , in this study, αvβ3-like integrin has not been found to participate in fibronectin adhesion of muscle cells but may be a linking agent between the ECM and the neuron-like cells.
ISSN:1567-2379
1567-2387
DOI:10.1007/s10735-012-9428-9