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Adv Pharm Bull. 2024;14(1): 176-191.
doi: 10.34172/apb.2024.005
  Abstract View: 574
  PDF Download: 428

Research Article

Chitosan/Hyaluronan and Alginate-Nanohydroxyapatite Biphasic Scaffold as a Promising Matrix for Osteoarthritis Disorders

Seyed Abdolvahab Banihashemian 1 ORCID logo, Soheila Zamanlui Benisi 2* ORCID logo, Simzar Hosseinzadeh 3,4* ORCID logo, Shahrokh Shojaei 5, Hojjat Allah Abbaszadeh 6,7 ORCID logo

1 Advanced Medical Sciences and Technologies Department, Faculty of Biomedical Engineering, Central Tehran Branch Islamic Azad University, Tehran, Iran
2 Stem Cell Research Center, Tissue Engineering and Regenerative Medicine Institute, Tehran Central Branch, Islamic Azad University, Tehran, Iran
3 Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4 School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
5 Islamic Azad University Central Tehran Branch, Department of Biomedical Engineering, Tehran, Iran
6 Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
7 Hearing Disorders Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
*Corresponding Authors: Soheila Zamanlui Benisi, Email: zamanlui.te@gmail.com; Simzar Hosseinzadeh, Email: s.hosseinzadeh@sbmu.ac.ir

Abstract

Purpose: Regenerative medicine offers new techniques for osteoarthritis (OA) disorders, especially while considering simultaneous chondral and subchondral regenerations.

Methods: Chitosan and hyaluronan were chemically bound as the chondral phase and the osteogenic layer was prepared with alginate and nano-hydroxyapatite (nHAP). These scaffolds were fixed by fibrin glue as a biphasic scaffold and then examined.

Results: Scanning electron microscopy (SEM) confirmed the porosity of 61.45±4.51 and 44.145±2.81 % for the subchondral and chondral layers, respectively. The composition analysis by energy dispersive X-ray (EDAX) indicated the various elements of both hydrogels. Also, their mechanical properties indicated that the highest modulus and resistance values corresponded to the biphasic hydrogel as 108.33±5.56 and 721.135±8.21 kPa, despite the same strain value as other groups. Their individual examinations demonstrated the proteoglycan synthesis of the chondral layer and also, the alkaline phosphatase (ALP) activity of the subchondral layer as 13.3±2.2 ng. After 21 days, the cells showed a mineralized surface and a polygonal phenotype, confirming their commitment to bone and cartilage tissues, respectively. Immunostaining of collagen I and II represented greater extracellular matrix (ECM) secretion in the biphasic composite group due to the paracrine effect of the two cell types on each other.

Conclusion: For the first time, the ability of this biphasic scaffold to regenerate both tissue types was evaluated and the results showed satisfactory cellular commitment to bone and cartilage tissues. Thus, this scaffold can be considered a new strategy for the preparation of implants for OA.

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Submitted: 03 Nov 2022
Revision: 24 Jun 2023
Accepted: 19 Jul 2023
ePublished: 22 Jul 2023
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