Lipoic Acid Conjugated Boron Hybrids Enhance Wound Healing and Antimicrobial Processes

Author:

Türkez Hasan1,Yıldırım Özge Çağlar2ORCID,Öner Sena2,Kadı Abdurrahim2,Mete Abdulkadir2,Arslan Mehmet Enes2ORCID,Şahin İrfan Oğuz3,Yapça Ömer Erkan4,Mardinoğlu Adil56ORCID

Affiliation:

1. Department of Medical Biology, Faculty of Medicine, Atatürk University, 25240 Erzurum, Turkey

2. Department of Molecular Biology and Genetics, Erzurum Technical University, 25050 Erzurum, Turkey

3. Department of Pediatrics, Pediatric Cardiology, Faculty of Medicine, Ondokuz Mayıs University, 55139 Samsun, Turkey

4. Department of Gynecology and Obstetrics, Faculty of Medicine, Atatürk University, 25240 Erzurum, Turkey

5. Science for Life Laboratory, KTH-Royal Institute of Technology, SE-17121 Stockholm, Sweden

6. Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King’s College London, London SE1 9RT, UK

Abstract

Complications of chronic non-healing wounds led to the emergence of nanotechnology-based therapies to enhance healing, facilitate tissue repair, and prevent wound-related complications like infections. Here, we design alpha lipoic acid (ALA) conjugated hexagonal boron nitride (hBN) and boron carbide (B4C) nanoparticles (NPs) to enhance wound healing in human dermal fibroblast (HDFa) cell culture and characterize its antimicrobial properties against Staphylococcus aureus (S. aureus, gram positive) and Escherichia coli (E. coli, gram negative) bacterial strains. ALA molecules are integrated onto hBN and C4B NPs through esterification procedure, and molecular characterizations are performed by using transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), and UV-vis spectroscopy. Wound healing and antimicrobial properties are investigated via the use of cell viability assays, scratch test, oxidative stress, and antimicrobial activity assays. Based on our analysis, we observe that ALA-conjugated hBN NPs have the highest wound-healing feature and antimicrobial activity compared to ALA-B4C. On the other hand, hBN, ALA-B4C, and ALA compounds showed promising regenerative and antimicrobial properties. Also, we find that ALA conjugation enhances wound healing and antimicrobial potency of hBN and B4C NPs. We conclude that the ALA-hBN conjugate is a potential candidate to stimulate regeneration process for injuries.

Publisher

MDPI AG

Reference48 articles.

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