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  Age-dependent migratory behavior of human endothelial cells revealed by substrate microtopography

Salesa, A., Picart, C., & Kemkemer, R. (2019). Age-dependent migratory behavior of human endothelial cells revealed by substrate microtopography. Experimental Cell Research, 374(1), 1-11. doi:10.1016/j.yexcr.2018.10.008.

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 Urheber:
Salesa, Adrià, Autor
Picart, Catherine, Autor
Kemkemer, Ralf1, Autor           
Affiliations:
1Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_2364731              

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Schlagwörter: aging; endothelial cells; microtopography; migration; protrusions
 Zusammenfassung: Cell migration is part of many important in vivo biological processes and is influenced by chemical and physical factors such as substrate topography. Although the migratory behavior of different cell types on structured substrates has already been investigated, up to date it is largely unknown if specimen's age affects cell migration on structures. In this work, we investigated age-dependent migratory behavior of human endothelial cells from young (≤ 31 years old) and old (≥ 60 years old) donors on poly(dimethylsiloxane) microstructured substrates consisting of well-defined parallel grooves. We observed a decrease in cell migration velocity in all substrate conditions and in persistence length perpendicular to the grooves in cells from old donors. Nevertheless, in comparison to young cells, old cells exhibited a higher cell directionality along grooves of certain depths and a higher persistence time. We also found a systematic decrease of donor age-dependent responses of cell protrusions in orientation, velocity and length, all of them decreased in old cells. These observations lead us to hypothesize a possible impairment of actin cytoskeleton network and affected actin polymerization and steering systems, caused by aging.

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Sprache(n): eng - English
 Datum: 2018-10-122018-06-112018-10-152018-10-182019-01-01
 Publikationsstatus: Erschienen
 Seiten: 28
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
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Titel: Experimental Cell Research
  Andere : Exp. Cell Res.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: San Diego, CA : Academic Press
Seiten: - Band / Heft: 374 (1) Artikelnummer: - Start- / Endseite: 1 - 11 Identifikator: ISSN: 0014-4827
CoNE: https://pure.mpg.de/cone/journals/resource/954922645016