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Relationship of spindle assembly checkpoint fidelity to species body mass, lifespan, and developmental rate
Journal article   Open access

Relationship of spindle assembly checkpoint fidelity to species body mass, lifespan, and developmental rate

Antonello Lorenzini, Lauren S. Fink, Thomas Stamato, Claudio Torres and Christian Sell
Aging (Albany, NY.), v 3(12), pp 1206-1212
26 Dec 2011
PMID: 22201071
url
https://doi.org/10.18632/aging.100416View
Published, Version of Record (VoR)CC BY V4.0 Open

Abstract

aging fibroblasts genome human lifespan mitosis mouse Research Paper stability tetraploid
We have examined the tolerance of the spindle assembly checkpoint (SAC), as measured by the appearance of tetraploid cells in the presence of a microtubule inhibitor, in a series of primary cell strains derived from species with diverse lifespan and body size. We find that the integrity of the SAC varies among these species. There is a robust correlation between the integrity of the SAC and body size, but poor correlation with longevity and parameters of species development (i.e., time of female fertility, gestation length, and postnatal growth rate). The results suggest that fidelity of the SAC co-evolved more closely with the number of mitoses needed to reach adulthood than with species lifespan.

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Collaboration types
Domestic collaboration
International collaboration
Web of Science research areas
Cell Biology
Geriatrics & Gerontology
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