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De Eguileor M, Grimaldi A, Boselli A, et al. Possible roles of extracellular matrix and cytoskeleton in leech body wall muscles. J Microsc. 1999;196(1):6-18doi: 10.1046/j.1365-2818.1999.00600.x.
De Eguileor M, Grimaldi, A., Boselli, A., Tettamanti, G., Lurati, S., Valvassori, R., & Lanzavecchia, G. (1999). Possible roles of extracellular matrix and cytoskeleton in leech body wall muscles. Journal of microscopy, 196(1), 6-18. https://doi.org/10.1046/j.1365-2818.1999.00600.x
De Eguileor M, et al. "Possible roles of extracellular matrix and cytoskeleton in leech body wall muscles." Journal of microscopy vol. 196,1 (1999): 6-18. doi: https://doi.org/10.1046/j.1365-2818.1999.00600.x
De Eguileor M, Grimaldi A, Boselli A, Tettamanti G, Lurati S, Valvassori R, Lanzavecchia G. Possible roles of extracellular matrix and cytoskeleton in leech body wall muscles. J Microsc. 1999 Oct;196(1):6-18. doi: 10.1046/j.1365-2818.1999.00600.x. PMID: 10540251.
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J Microsc. 1999 Oct;196(1):6-18. doi: 10.1046/j.1365-2818.1999.00600.x.

Possible roles of extracellular matrix and cytoskeleton in leech body wall muscles.

Journal of microscopy

De Eguileor M, Grimaldi, Boselli, Tettamanti, Lurati, Valvassori, Lanzavecchia

Affiliations

  1. Department of Structural and Functional Biology, University of Insubria, Varese, Italy.

PMID: 10540251 DOI: 10.1046/j.1365-2818.1999.00600.x

Abstract

Round circomyarian fibres of leeches are peculiar helical muscles. The fibres are characterized by a lack of junctions, being separated by a thick extracellular matrix, and by scarce end-plates. Even so, the fibres grouped in units show the same degree of contraction. Biochemical, immunocytochemical and ultrastructural studies were performed in order: (a) to demonstrate the presence in the extracellular matrix of fibronectin, collagen type IV and laminin and in the cytoskeleton of desmin and alpha-actinin; (b) to show the possible link of extracellular matrix with the scaffold of intermediate filaments; (c) to evaluate how the extracellular matrix can play a role in the transduction of a signal during contraction-relaxation-superelongation phases.

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