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Verdoliva V, Muzio G, Autelli R, Saviano M, Bedini E, De Luca S. Microwave-Assisted, Solid-State Procedure to Covalently Conjugate Hyaluronic Acid to Curcumin: Validation of a Green Synthetic Protocol. ACS POLYMERS AU 2024; 4:214-221. [PMID: 38882036 PMCID: PMC11177298 DOI: 10.1021/acspolymersau.3c00047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 06/18/2024]
Abstract
A microwave-assisted esterification reaction to prepare hyaluronan-curcumin derivatives by employing a solvent-free process was developed. In particular, a solid-state strategy to react two molecules characterized by totally different solubility profiles was developed. Hyaluronic acid, a highly hydrosoluble polysaccharide, was reacted with hydrophobic and even water-unstable curcumin. Microwave (MW) irradiation was employed to activate the reaction between the two solid compounds through the direct interaction with them and to preserve the integrity of the sensitive curcumin species. This new protocol can be considered efficient, fast, and also eco-friendly, avoiding the employment of toxic organic bases and solvents. A cytotoxicity test suggested that the developed hyaluronan-curcumin conjugate (HA-CUR) could be considered a candidate for its implementation as a new material. In addition, preliminary studies revealed promising anti-inflammatory activity and open future perspectives of further investigation.
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Affiliation(s)
- Valentina Verdoliva
- Institute of Biostructures and Bioimaging, National Research Council, 80131 Naples, Italy
| | - Giuliana Muzio
- Department of Clinical and Biological Sciences, University of Turin, 10125 Turin, Italy
| | - Riccardo Autelli
- Department of Clinical and Biological Sciences, University of Turin, 10125 Turin, Italy
| | - Michele Saviano
- Institute of Crystallography, National Research Council, 81100 Caserta, Italy
| | - Emiliano Bedini
- Department of Chemical Sciences, University of Naples Federico II, 80126 Naples, Italy
| | - Stefania De Luca
- Institute of Biostructures and Bioimaging, National Research Council, 80131 Naples, Italy
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D. S. A, Julietraja K, Jaganathan B, Alsinai A. Curcumin-Conjugated PAMAM Dendrimers of Two Generations: Comparative Analysis of Physiochemical Properties Using Adriatic Topological Indices. ACS OMEGA 2024; 9:14558-14579. [PMID: 38559925 PMCID: PMC10976413 DOI: 10.1021/acsomega.4c00686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 04/04/2024]
Abstract
Curcumin (C21H20O6) is a polyphenol found in the plant Curcuma longa. Even though it possesses many pharmacological effects, owing to its limited intestinal absorption, solubility, and oral bioavailability, it is more often used as a health supplement than as a lead chemical. The poly(amido)amine (PAMAM) dendrimer (nanostructure) is utilized to enhance the stability and targeted delivery of drugs. Recently, curcumin was conjugated with the PAMAM dendrimer and analyzed for its photostability. Further investigation into the physiochemical characteristics of different generations can facilitate curcumins' targeted delivery for many diseases, including cancer. However, many of these conjugates' physiochemical properties are not available in databases since they have not been explored theoretically or experimentally. In this article, QSAR/QSPR (quantitative structure-activity relationship/quantitative structure-property relationship) analysis of physiochemical properties was carried out for component structures, which produced encouraging results. Hence, 16 discrete adriatic topological indices and their associated entropy measures were evaluated to theoretically predict a few physiochemical properties of the conjugated structure. The predictions will aid the chemist in drug designing.
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Affiliation(s)
- Anuradha D. S.
- Department
of Mathematics, School of Advanced Sciences, Vellore Institute of Technology, Chennai 632014, India
| | - Konsalraj Julietraja
- Department
of Mathematics, School of Engineering, Presidency
University, Bengaluru 560064, India
| | - B. Jaganathan
- Department
of Mathematics, School of Advanced Sciences, Vellore Institute of Technology, Chennai 632014, India
| | - Ammar Alsinai
- Department
of Mathematics, Ibb University, Ibb 3000, Yemen
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Szymański T, Semba JA, Mieloch AA, Cywoniuk P, Kempa M, Rybka JD. Hyaluronic acid and multiwalled carbon nanotubes as bioink additives for cartilage tissue engineering. Sci Rep 2023; 13:646. [PMID: 36635477 PMCID: PMC9837169 DOI: 10.1038/s41598-023-27901-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 01/10/2023] [Indexed: 01/14/2023] Open
Abstract
Articular cartilage and meniscus injuries are prevalent disorders with insufficient regeneration responses offered by available treatment methods. In this regard, 3D bioprinting has emerged as one of the most promising new technologies, offering novel treatment options. Additionally, the latest achievements from the fields of biomaterials and tissue engineering research identified constituents facilitating the creation of biocompatible scaffolds. In this study, we looked closer at hyaluronic acid and multi-walled carbon nanotubes as bioink additives. Firstly, we assessed the minimal concentrations that stimulate cell viability, and decrease reactive oxygen species and apoptosis levels in 2D cell cultures of normal human knee articular chondrocytes (NHAC) and human adipose-derived mesenchymal stem cells (hMSC-AT). In this regard, 0.25 mg/ml of hyaluronic acid and 0.0625 mg/ml of carbon nanotubes were selected as the most optimal concentrations. In addition, we investigated the protective influence of 2-phospho-L-ascorbic acid in samples with carbon nanotubes. Tests conducted on 3D bioprinted constructs revealed that only a combination of components positively impacted cell viability throughout the whole experiment. Gene expression analysis of COL1A1, COL6A1, HIF1A, COMP, RUNX2, and POU5F1 showed significant changes in the expression of all analyzed genes with a progressive overall loss of transcriptional activity in most of them.
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Affiliation(s)
- Tomasz Szymański
- grid.5633.30000 0001 2097 3545Center for Advanced Technology, Adam Mickiewicz University, Poznan, Poland ,grid.5633.30000 0001 2097 3545Faculty of Chemistry, Adam Mickiewicz University, Poznan, Poland
| | - Julia Anna Semba
- grid.5633.30000 0001 2097 3545Center for Advanced Technology, Adam Mickiewicz University, Poznan, Poland ,grid.5633.30000 0001 2097 3545Faculty of Biology, Adam Mickiewicz University, Poznan, Poland
| | - Adam Aron Mieloch
- grid.5633.30000 0001 2097 3545Center for Advanced Technology, Adam Mickiewicz University, Poznan, Poland
| | - Piotr Cywoniuk
- grid.5633.30000 0001 2097 3545Center for Advanced Technology, Adam Mickiewicz University, Poznan, Poland
| | - Marcelina Kempa
- grid.5633.30000 0001 2097 3545Center for Advanced Technology, Adam Mickiewicz University, Poznan, Poland ,grid.5633.30000 0001 2097 3545Faculty of Biology, Adam Mickiewicz University, Poznan, Poland
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Snetkov P, Rogacheva E, Kremleva A, Morozkina S, Uspenskaya M, Kraeva L. In-Vitro Antibacterial Activity of Curcumin-Loaded Nanofibers Based on Hyaluronic Acid against Multidrug-Resistant ESKAPE Pathogens. Pharmaceutics 2022; 14:pharmaceutics14061186. [PMID: 35745759 PMCID: PMC9227118 DOI: 10.3390/pharmaceutics14061186] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 05/29/2022] [Accepted: 05/30/2022] [Indexed: 02/06/2023] Open
Abstract
Bacterial infections have accompanied humanity throughout its history and became vitally important in the pandemic area. The most pathogenic bacteria are multidrug-resistant strains, which have become widespread due to their natural biological response to the use of antibiotics, including uncontrolled use. The current challenge is finding highly effective antibacterial agents of natural origin, which, however, have low solubility and consequently poor bioavailability. Curcumin, derived from Curcuma longa, is an example of a natural biologically active agent with a wide spectrum of biological effects, particularly against Gram-positive bacteria. However, curcumin exhibits extremely low antibacterial activity against Gram-negative bacteria. Curcumin’s hydrophobicity limits its use in medicine. As such, various polymeric systems have been used, especially biopolymer-based electrospun nanofibers. In the present study, the technological features of the fabrication of curcumin-loaded hyaluronic acid-based nanofibers are discussed in detail, their morphological characteristics, wettability, physico-chemical properties, and curcumin release profiles are demonstrated, and their antibacterial activity against multi-drug resistant ESKAPE pathogens (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species) are evaluated. It is noteworthy that the fibers containing a stable HA–curcumin complex showed high antibacterial activity against both Gram-positive and Gram-negative bacteria, which is an undeniable advantage. It is expected that the results of this work will contribute to the development of antibacterial drugs for topical and internal use with high efficacy and considerably lower side effects.
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Affiliation(s)
- Petr Snetkov
- Center of Chemical Engineering, ITMO University, Kronverkskiy Prospekt, 49, bldg. A, 197101 St. Petersburg, Russia; (S.M.); (M.U.)
- Correspondence:
| | - Elizaveta Rogacheva
- Saint-Petersburg Pasteur Institute, Street Mira, 14, 197101 St. Petersburg, Russia; (E.R.); (L.K.)
| | - Arina Kremleva
- Institute of Advanced Data Transfer Systems, ITMO University, Kronverkskiy Prospekt, 49, bldg. A, 197101 St. Petersburg, Russia;
| | - Svetlana Morozkina
- Center of Chemical Engineering, ITMO University, Kronverkskiy Prospekt, 49, bldg. A, 197101 St. Petersburg, Russia; (S.M.); (M.U.)
| | - Mayya Uspenskaya
- Center of Chemical Engineering, ITMO University, Kronverkskiy Prospekt, 49, bldg. A, 197101 St. Petersburg, Russia; (S.M.); (M.U.)
| | - Liudmila Kraeva
- Saint-Petersburg Pasteur Institute, Street Mira, 14, 197101 St. Petersburg, Russia; (E.R.); (L.K.)
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