A hyaluronic acid binding peptide-polymer system for treating osteoarthritis

Heather J. Faust, Sven D. Sommerfeld, Sona Rathod, Andrew Rittenbach, Sangeeta Ray, Benjamin Tsui, Martin Gilbert Pomper, Mario L Amzel, Anirudha Singh, Jennifer Hartt Elisseeff

Research output: Contribution to journalArticle

Abstract

Hyaluronic acid (HA) is found naturally in synovial fluid and is utilized therapeutically to treat osteoarthritis (OA). Here, we employed a peptide-polymer cartilage coating platform to localize HA to the cartilage surface for the purpose of treating post traumatic osteoarthritis. The objective of this study was to increase efficacy of the peptide-polymer platform in reducing OA progression in a mouse model of post-traumatic OA without exogenous HA supplementation. The peptide-polymer is composed of an HA-binding peptide (HABP) conjugated to a heterobifunctional poly (ethylene glycol) (PEG) chain and a collagen binding peptide (COLBP). We created a library of different peptide-polymers and characterized their HA binding properties in vitro using quartz crystal microbalance (QCM-D) and isothermal calorimetry (ITC). The peptide polymers were further tested in vivo in an anterior cruciate ligament transection (ACLT) murine model of post traumatic OA. The peptide-polymer with the highest affinity to HA as tested by QCM-D (∼4-fold greater binding compared to other peptides tested) and by ITC (∼3.8-fold) was HABP2-8-arm PEG-COLBP. Biotin tagging demonstrated that HABP2-8-arm PEG-COLBP localizes to both cartilage defects and synovium. In vivo, HABP2-8-arm PEG-COLBP treatment and the clinical HA comparator Orthovisc lowered levels of inflammatory genes including IL-6, IL-1B, and MMP13 compared to saline treated animals and increased aggrecan expression in young mice. HABP2-8-arm PEG-COLBP and Orthovisc also reduced pain as measured by incapacitance and hotplate testing. Cartilage degeneration as measured by OARSI scoring was also reduced by HABP2-8-arm PEG-COLBP and Orthovisc. In aged mice, HABP2-8-arm PEG-COLBP therapeutic efficacy was similar to its efficacy in young mice, but Orthovisc was less efficacious and did not significantly improve OARSI scoring. These results demonstrate that HABP2-8-arm PEG-COLBP is effective at reducing PTOA progression.

Original languageEnglish (US)
Pages (from-to)93-101
Number of pages9
JournalBiomaterials
Volume183
DOIs
StatePublished - Nov 1 2018

Fingerprint

Hyaluronic acid
Hyaluronic Acid
Osteoarthritis
Peptides
Polymers
Polyethylene glycols
Collagen
Cartilage
Calorimetry
Quartz Crystal Microbalance Techniques
Aggrecans
Peptide Library
Ethylene Glycol
Synovial Membrane
Anterior Cruciate Ligament
Quartz crystal microbalances
Synovial Fluid
Ligaments
Biotin

Keywords

  • Anterior cruciate ligament
  • Cartilage
  • Hyaluronic acid
  • Hyaluronic acid binding peptide
  • Osteoarthritis
  • Peptide-polymer

ASJC Scopus subject areas

  • Bioengineering
  • Ceramics and Composites
  • Biophysics
  • Biomaterials
  • Mechanics of Materials

Cite this

A hyaluronic acid binding peptide-polymer system for treating osteoarthritis. / Faust, Heather J.; Sommerfeld, Sven D.; Rathod, Sona; Rittenbach, Andrew; Ray, Sangeeta; Tsui, Benjamin; Pomper, Martin Gilbert; Amzel, Mario L; Singh, Anirudha; Elisseeff, Jennifer Hartt.

In: Biomaterials, Vol. 183, 01.11.2018, p. 93-101.

Research output: Contribution to journalArticle

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