Hyaluronic acid catechol

A biopolymer exhibiting a pH-dependent adhesive or cohesive property for human neural stem cell engineering

Seonki Hong, Kisuk Yang, Bobae Kang, Changhyun Lee, In Taek Song, Eunkyoung Byun, Kook In Park, Seung Woo Cho, Haeshin Lee

Research output: Contribution to journalArticle

118 Citations (Scopus)

Abstract

Nature has developed materials that are integrated and effective at controlling their properties of adhesiveness and cohesiveness; the chemistry of these materials has been optimized during evolution. For example, a catechol moiety found in the adhesive proteins of marine mussels regulates its properties between adhesion and cohesion, rapidly adapting to environmental conditions. However, in synthetic materials chemistry, introduced chemical moieties are usually monofunctional, either being adhesive or cohesive; typically, this is not effective compared to natural materials. Herein, it is demonstrated that hyaluronic acid-catechol (HA-catechol) conjugates can exhibit either adhesiveness, functionalizing the surface of materials, or cohesiveness, building 3D hydrogels. Up to now, catechol-conjugated polymers have shown to be useful in one of these two functions. The usefulness of the polymer in stem cell engineering is demonstrated. A platform for neural stem cell culture may be prepared, utilizing the adhesive property of HA-catechol, and hydrogels are fabricated to encapsulate the neural stem cells, utilizing the cohesive property of the HA conjugate. Moreover, the HA-catechol hydrogels are highly neural stem cell compatible, showing better viability compared to existing methods based on HA hydrogels. Hyaluronic acid catechol conjugate is able to change between adhesiveness and cohesiveness in a smart way. This is demonstrated to be useful for human neural stem cell culture, which cannot be stably cultured on typical polystyrene culture plates.

Original languageEnglish
Pages (from-to)1774-1780
Number of pages7
JournalAdvanced Functional Materials
Volume23
Issue number14
DOIs
Publication statusPublished - 2013 Apr 12

Fingerprint

Cell engineering
Hyaluronic acid
Biopolymers
stem cells
biopolymers
Hyaluronic Acid
Stem cells
adhesives
Adhesives
Hydrogels
engineering
acids
Cell culture
chemistry
cohesion
Conjugated polymers
polymers
viability
Polystyrenes
polystyrene

All Science Journal Classification (ASJC) codes

  • Biomaterials
  • Electrochemistry
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Hong, Seonki ; Yang, Kisuk ; Kang, Bobae ; Lee, Changhyun ; Song, In Taek ; Byun, Eunkyoung ; Park, Kook In ; Cho, Seung Woo ; Lee, Haeshin. / Hyaluronic acid catechol : A biopolymer exhibiting a pH-dependent adhesive or cohesive property for human neural stem cell engineering. In: Advanced Functional Materials. 2013 ; Vol. 23, No. 14. pp. 1774-1780.
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Hyaluronic acid catechol : A biopolymer exhibiting a pH-dependent adhesive or cohesive property for human neural stem cell engineering. / Hong, Seonki; Yang, Kisuk; Kang, Bobae; Lee, Changhyun; Song, In Taek; Byun, Eunkyoung; Park, Kook In; Cho, Seung Woo; Lee, Haeshin.

In: Advanced Functional Materials, Vol. 23, No. 14, 12.04.2013, p. 1774-1780.

Research output: Contribution to journalArticle

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