- Characterization of poly(L-glutamic acid)-grafted hyaluronan as a novel candidate medicine and biomedical device for intra-articular injection.
Characterization of poly(L-glutamic acid)-grafted hyaluronan as a novel candidate medicine and biomedical device for intra-articular injection.
Journal of biomedical materials research. Part A (2017-07-05)
Kazuaki Muramatsu, Yuya Tajima, Rin Kaneko, Yuta Yanagita, Hiroyuki Hirai, Nana Hiura
PMID28675666
ABSTRACT
A novel hyaluronan (HA) derivative, poly(L-glutamic acid)-grafted hyaluronan (PGA-g-HA), was synthesized to improve the durability of conventional HA products for intra-articular injection. The purpose of this study was to investigate the characteristics of the novel HA derivative in terms of viscoelasticity, degradation behavior, non-immunogenicity, and bioactivity using preliminary in vitro and in vivo experiments. The storage modulus (G') and loss modulus (G″) of PGA-g-HA were similar to those of HA80 (approximately 8.0 × 10
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