Curvature in the reproductive tract alters sperm–surface interactions

Mohammad Reza Raveshi, Melati S. Abdul Halim, Sagar N. Agnihotri, Moira K. O’Bryan, Adrian Neild () and Reza Nosrati ()
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Mohammad Reza Raveshi: Monash University
Melati S. Abdul Halim: Monash University
Sagar N. Agnihotri: Monash University
Moira K. O’Bryan: Monash University
Adrian Neild: Monash University
Reza Nosrati: Monash University

Nature Communications, 2021, vol. 12, issue 1, 1-10

Abstract: Abstract The fallopian tube is lined with a highly complex folded epithelium surrounding a lumen that progressively narrows. To study the influence of this labyrinthine complexity on sperm behavior, we use droplet microfluidics to create soft curved interfaces over a range of curvatures corresponding to the in vivo environment. We reveal a dynamic response mechanism in sperm, switching from a progressive surface-aligned motility mode at low curvatures (larger droplets), to an aggressive surface-attacking mode at high curvatures (smaller droplets of

Date: 2021
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DOI: 10.1038/s41467-021-23773-x

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