Issue 3, 2022

Reply to the ‘Comment on “Tensional homeostasis at different length scales” by J. Humphrey and C. Cyron, Soft Matter, 2022, 18, DOI: 10.1039/D1SM01151K’

Abstract

Drs Humphrey and Cyron wrote a commentary regarding our review article entitled “Tensional homeostasis at different length scales” that was published in Soft Matter, 2020, 16, 6946–6963. These authors brought up some valid concerns to which we would like to respond. Their first concern is related to our remark regarding equations that we used to describe homeostasis in blood vessels, where we stated that those equations were limited only to linearly elastic materials. We were wrong, and we agree with the authors that these equations hold for all cylindrical vessels regardless of their material properties. Their second concern is related to tensional homeostasis at the subcellular level. Drs Humphrey and Cyron disagree with our substantiated claim that tensional homeostasis breaks down at the level of focal adhesions (FAs) of a living cell. In our reply, we provided several pieces of evidence that demonstrate that tensional homeostasis depends upon FA size, FA maturity and FA force dynamics and thus, tensional homeostasis cannot hold in all FAs across a cell. In summary, we are grateful for the opportunity to reply to the commentary of Drs Humphrey and Cyron. Moreover, we are excited that this topic has become an important focus in the biomechanics and mechanobiology communities, and we feel strongly that critical feedback is necessary to move this field forward.

Associated articles

Article information

Article type
Comment
Submitted
17 Oct 2021
Accepted
16 Dec 2021
First published
05 Jan 2022

Soft Matter, 2022,18, 680-682

Author version available

Reply to the ‘Comment on “Tensional homeostasis at different length scales” by J. Humphrey and C. Cyron, Soft Matter, 2022, 18, DOI: 10.1039/D1SM01151K

D. Stamenović and M. L. Smith, Soft Matter, 2022, 18, 680 DOI: 10.1039/D1SM01495A

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