Mechanochemical interactions between striated muscle cells of jellyfish and grafted extracellular matrix can induce and inhibit DNA replication and transdifferentiation in vitro

Article Abstract:

The mechanochemical interactions between striated muscle cells of jellyfish and the adhering extracellular matrix were studied. Induced DNA replication and proteolytic activity followed by transdifferentiation into RF-amide-positive nerve cells were observed. Moreover, the inhibition of DNA replication and transdifferentiation was suppressed whenever tissues were allowed to form a monolayer of well-stretched cells. The results suggest the mechanochemical interactions play a role in activation and inhibition of DNA replication and transdifferentiation.

Striated muscle, Cell differentiation, Chromosome replication, Extracellular matrix

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Intracellular Ca2+ increase induces post-fertilization events via MAP kinase dephosphorylation in eggs of the hydrozoan jellyfish Cladonema pacificu

Article Abstract:

Effects of intracellular calcium ion concentration and mitogen-activated protein kinase activity on post fertilization events in eggs of the hydrozoan jellyfish Cladonema pacificuma are presented.

Japan, Influence, Calcium ions, Protein kinases, Fertilization (Biology)

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Animal pole determinants define oral-aboral axis polarity and endodermal cell-fate in hydrozoan jellyfish Podocoryne carnea

Article Abstract:

Role of localized determinants of animal pole in endoderm formation and oral-aboral axis formation in hydrozoan jellyfish Podocoryne carnea is presented.

Switzerland, Polarity (Biology), Endoderm

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