Nanotherapy in Joints: Increasing Endogenous Hyaluronan Production by Delivering Hyaluronan Synthase 2

Huimin Li, Huilin Guo, Chang Lei, Li Liu, Liqin Xu, Yaping Feng, Jin Ke, Wei Fang, Hao Song, Chun Xu*, Chengzhong Yu, Xing Long

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

76 Scopus citations

Abstract

Osteoarthritis (OA) is a common joint degenerative disease that causes pain, joint damage, and dysfunction. External hyaluronic acid (HA) supplement is a common method for the management of osteoarthritis which requires multi-injections. It is demonstrated that biodegradable mesoporous silica nanoparticles successfully deliver an enzyme, hyaluronan synthase type 2 (HAS2), into synoviocytes from the temporomandibular joint (TMJ) and generate endogenous HA with high molecular weights. In a rat TMJ osteoarthritis inflammation model, this strategy promotes endogenous HA production and inhibits the synovial inflammation of OA for more than 3 weeks with one-shot administration. Such nanotherapy also helps repairing the bone defects in a rat OA bone defect model.

Original languageEnglish
Article number1904535
JournalAdvanced Materials
Volume31
Issue number46
DOIs
StatePublished - 1 Nov 2019
Externally publishedYes

Keywords

  • drug carriers
  • hyaluronic acid
  • nanoparticles
  • osteoarthritis
  • protein delivery

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