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A sugar-lectin rich interface between soft tissue and the stiff byssus ofAtrina pectinata

Authors
  • CHOI, JIMIN
  • hennebert, elise
  • flammang, patrick
  • HWANG, DONG SOO
Publication Date
Jul 03, 2020
Source
[email protected]
Keywords
License
Unknown
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Abstract

Maintaining durable adhesion between soft tissues and relatively hard implant materials is one of the most elusive technological difficulties in bionic devices due to contact damage between mechanically mismatched materials. Although there are many examples of coexistence of soft and hard tissues in living organisms, relatively little is known about the mechanisms used to overcome mechanical mismatches occurring at the interface between soft and hard tissues. Among the various creatures possessing mechanically mismatched biological tissues,Atrina pectinatais a good model system where the interface between stiff byssal threads and soft tissues is distributed all over an extended organ. In this study, we found a wide distribution of various types of carbohydrates and lectins at the mechanically mismatched interface of the byssus ofAtrinausing histological methods and proteomics. Reversible and robust interactions between the carbohydrate and lectins at the interface would play a major role in mitigating the contact damage at theAtrinainterface. Based on these results, the adhesion between sugar and lectin would be useful to overcome a wide range of contact damage observed in research studies on bionic devices. / 1 / N

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