www.nature.com/scientificreports OPEN Received: 20 June 2017 Accepted: 31 October 2017 Published: xx xx xxxx The Semaphorin 3A inhibitor SM- 345431 preserves corneal nerve and epithelial integrity in a murine dry eye model RisaYamazaki1, KatsuyaYamazoe1, SatoruYoshida1,3, Shin Hatou1, Emi ...