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Human smooth muscle cell cultures of the stomach morphologic and biochemical studies

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Summary

Smooth muscle cell cultures were prepared from stomach explants obtained surgically from 10 patients with duodenal ulcer. The cultured cells grew in either overlapping layers in “hills and valleys” or in parallel arrays. The ultrastructure studies showed plasmalemmal vesicles, bundles of myofilaments associated with dense bodies, and gap junctions. The synthesis of contractile proteins illustrated the preponderance of actin on myosin and tropomyosin. The synthesis of contractile proteins in stomach smooth muscle cell cultures is significantly higher than in skin fibroblast cultures, i.e. 20 x higher for myosin, 10 x higher for actin, and 30 x higher for tropomyosin.

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Authors and Affiliations

  1. Department of Pediatrics, The University of Iowa Hospitals, 52242, Iowa City, Iowa

    Rebeca Ionasescu & Victor Ionasescu

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  1. Rebeca Ionasescu
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  2. Victor Ionasescu
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Ionasescu, R., Ionasescu, V. Human smooth muscle cell cultures of the stomach morphologic and biochemical studies. In Vitro Cell Dev Biol 21, 368–372 (1985). https://doi.org/10.1007/BF02623467

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  • DOI: https://doi.org/10.1007/BF02623467

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