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Gollapudi KK, Dutta SD, Adnan M, Taylor ML, Reddy KVNS, Alle M, Huang X. Dialdehyde cellulose nanofibrils/polyquaternium stabilized ultra-fine silver nanoparticles for synergistic antibacterial therapy. Int J Biol Macromol 2024:135971. [PMID: 39322171 DOI: 10.1016/j.ijbiomac.2024.135971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 09/21/2024] [Accepted: 09/22/2024] [Indexed: 09/27/2024]
Abstract
Dialdehyde cellulose nanofibrils (DACNF) and Polyquaternium-10 (PQ: chloro-2-hydroxy-3-(trimethylamino) propyl polyethylene glycol cellulose) have become increasingly favored as antibacterial substances due to their advantageous characteristics. DACNF exhibits exceptional mechanical properties and biocompatibility, whereas PQ demonstrates a positive charge that enhances its antibacterial activity. Combined in a DACNF/PQ mixture, they provide an excellent template material for preparing and stabilizing ultra-fine (~ 10.3 nm) silver nanoparticles (AgNPs) at room temperature. Here, the dialdehyde group of DACNF functions as a reducing agent, while the quaternary ammonium of PQ and carboxylate groups of DACNF synergistically helped in-situ generation of AgNPs uniformly. The synthesized nanocomposites, namely PQ@AgNPs, AgNPs@DACNF, and AgNPs@DACNF/PQ, were subjected to comprehensive characterization using various advanced analytical techniques. The films containing AgNPs@DACNF and AgNPs@DACNF/PQ, fabricated via vacuum filtration, exhibited excellent mechanical properties of 9.78 ± 0.21 MPa, and demonstrated superior antibacterial activity against both Escherichia coli and Staphylococcus aureus. Additionally, the silver ion leaching from the prepared composite films was well controlled. The fabricated nanocomposites also effectively inhibited bacterial biofilm formation. It was also found to be highly biocompatible and non-toxic to human skin fibroblast cells. Furthermore, the nanocomposites exhibited enhanced migration of human dermal fibroblasts, suggesting their potential in facilitating wound healing processes.
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Affiliation(s)
- Kranthi Kumar Gollapudi
- Department of Chemistry, GITAM School of Science, GITAM (Deemed to be University), Visakhapatnam 530045, India
| | - Sayan Deb Dutta
- Center for Surgical Bioengineering, Department of Surgery, University of California Davis, Sacramento 95817, United States
| | - Md Adnan
- Department of Molecular Pharmaceutics, College of Pharmacy, University of Utah, Salt Lake City, UT 84112, United States
| | - Mitchell Lee Taylor
- Department of Chemistry, The University of Memphis, Memphis, TN 38152, United States
| | - K V N Suresh Reddy
- Department of Chemistry, GITAM School of Science, GITAM (Deemed to be University), Visakhapatnam 530045, India.
| | - Madhusudhan Alle
- Department of Chemistry, The University of Memphis, Memphis, TN 38152, United States.
| | - Xiaohua Huang
- Department of Chemistry, The University of Memphis, Memphis, TN 38152, United States.
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Macêdo HLRDQ, de Oliveira LL, de Oliveira DN, Lima KFA, Cavalcanti IMF, Campos LADA. Nanostructures for Delivery of Flavonoids with Antibacterial Potential against Klebsiella pneumoniae. Antibiotics (Basel) 2024; 13:844. [PMID: 39335017 PMCID: PMC11428843 DOI: 10.3390/antibiotics13090844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2024] [Revised: 08/31/2024] [Accepted: 09/04/2024] [Indexed: 09/30/2024] Open
Abstract
Flavonoids are secondary metabolites that exhibit remarkable biological activities, including antimicrobial properties against Klebsiella pneumoniae, a pathogen responsible for several serious nosocomial infections. However, oral administration of these compounds faces considerable challenges, such as low bioavailability and chemical instability. Thus, the encapsulation of flavonoids in nanosystems emerges as a promising strategy to mitigate these limitations, offering protection against degradation; greater solubility; and, in some cases, controlled and targeted release. Different types of nanocarriers, such as polymeric nanoparticles, liposomes, and polymeric micelles, among others, have shown potential to increase the antimicrobial efficacy of flavonoids by reducing the therapeutic dose required and minimizing side effects. In addition, advances in nanotechnology enable co-encapsulation with other therapeutic agents and the development of systems responsive to more specific stimuli, optimizing treatment. In this context, the present article provides an updated review of the literature on flavonoids and the main nanocarriers used for delivering flavonoids with antibacterial properties against Klebsiella pneumoniae.
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Affiliation(s)
- Hanne Lazla Rafael de Queiroz Macêdo
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Recife 50670-901, PE, Brazil; (H.L.R.d.Q.M.); (L.L.d.O.); (D.N.d.O.); (K.F.A.L.); (L.A.d.A.C.)
| | - Lara Limeira de Oliveira
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Recife 50670-901, PE, Brazil; (H.L.R.d.Q.M.); (L.L.d.O.); (D.N.d.O.); (K.F.A.L.); (L.A.d.A.C.)
| | - David Nattan de Oliveira
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Recife 50670-901, PE, Brazil; (H.L.R.d.Q.M.); (L.L.d.O.); (D.N.d.O.); (K.F.A.L.); (L.A.d.A.C.)
| | - Karitas Farias Alves Lima
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Recife 50670-901, PE, Brazil; (H.L.R.d.Q.M.); (L.L.d.O.); (D.N.d.O.); (K.F.A.L.); (L.A.d.A.C.)
| | - Isabella Macário Ferro Cavalcanti
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Recife 50670-901, PE, Brazil; (H.L.R.d.Q.M.); (L.L.d.O.); (D.N.d.O.); (K.F.A.L.); (L.A.d.A.C.)
- Academic Center of Vitória (CAV), Federal University of Pernambuco (UFPE), Vitória de Santo Antão 50670-901, PE, Brazil
| | - Luís André de Almeida Campos
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Recife 50670-901, PE, Brazil; (H.L.R.d.Q.M.); (L.L.d.O.); (D.N.d.O.); (K.F.A.L.); (L.A.d.A.C.)
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Zhu X, Tang Q, Zhou X, Momeni MR. Antibiotic resistance and nanotechnology: A narrative review. Microb Pathog 2024; 193:106741. [PMID: 38871198 DOI: 10.1016/j.micpath.2024.106741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 06/07/2024] [Accepted: 06/10/2024] [Indexed: 06/15/2024]
Abstract
The rise of antibiotic resistance poses a significant threat to public health worldwide, leading researchers to explore novel solutions to combat this growing problem. Nanotechnology, which involves manipulating materials at the nanoscale, has emerged as a promising avenue for developing novel strategies to combat antibiotic resistance. This cutting-edge technology has gained momentum in the medical field by offering a new approach to combating infectious diseases. Nanomaterial-based therapies hold significant potential in treating difficult bacterial infections by circumventing established drug resistance mechanisms. Moreover, their small size and unique physical properties enable them to effectively target biofilms, which are commonly linked to resistance development. By leveraging these advantages, nanomaterials present a viable solution to enhance the effectiveness of existing antibiotics or even create entirely new antibacterial mechanisms. This review article explores the current landscape of antibiotic resistance and underscores the pivotal role that nanotechnology plays in augmenting the efficacy of traditional antibiotics. Furthermore, it addresses the challenges and opportunities within the realm of nanotechnology for combating antibiotic resistance, while also outlining future research directions in this critical area. Overall, this comprehensive review articulates the potential of nanotechnology in addressing the urgent public health concern of antibiotic resistance, highlighting its transformative capabilities in healthcare.
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Affiliation(s)
- Xunxian Zhu
- Huaqiao University Hospital, Quanzhou, Fujian, 362021, China.
| | - Qiuhua Tang
- Quanzhou First Hospital, Quanzhou, Fujian, 362000, China
| | - Xiaohang Zhou
- Mudanjiang Medical University, Mu Danjiang, Hei Longjiang, 157012, China
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Hancharova M, Halicka-Stępień K, Dupla A, Lesiak A, Sołoducho J, Cabaj J. Antimicrobial activity of metal-based nanoparticles: a mini-review. Biometals 2024; 37:773-801. [PMID: 38286956 DOI: 10.1007/s10534-023-00573-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 12/15/2023] [Indexed: 01/31/2024]
Abstract
The resistance of pathogenic microorganisms to antibiotics is one of the main problems of world health. Of particular concern are multidrug-resistant (MDR) bacteria. Infections caused by these microorganisms affect the appearance of acute or chronic diseases. In this regard, modern technologies, such as nanomaterials (NMs), especially promising nanoparticles (NPs), can possess antimicrobial properties or improve the effectiveness and delivery of known antibiotics. Their diversity and characteristics, combined with surface functionalization, enable multivalent interactions with microbial biomolecules. This article presents an overview of the most current research on replacing antibiotics with NPs, including the prospects and risks involved.
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Affiliation(s)
- Marharyta Hancharova
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Kinga Halicka-Stępień
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Aleksandra Dupla
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Anna Lesiak
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland
- Laboratoire de Chimie, École Normale Supérieure de Lyon, Université Lyon 1, CNRS UMR 5182, 46 Allée d'Italie, 69364, Lyon, France
| | - Jadwiga Sołoducho
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Joanna Cabaj
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland.
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Celebi D, Celebi O, Taghizadehghalehjoughi A, Baser S, Aydın E, Calina D, Charvalos E, Docea AO, Tsatsakis A, Mezhuev Y, Yildirim S. Activity of zinc oxide and zinc borate nanoparticles against resistant bacteria in an experimental lung cancer model. Daru 2024; 32:197-206. [PMID: 38366078 PMCID: PMC11087447 DOI: 10.1007/s40199-024-00505-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 01/23/2024] [Indexed: 02/18/2024] Open
Abstract
BACKGROUND Recent research indicates a prevalence of typical lung infections, such as pneumonia, in lung cancer patients. Klebsiella pneumoniae, Pseudomonas aeruginosa, and Acinetobacter baumannii stand out as antibiotic-resistant pathogens. Given this, there is a growing interest in alternative therapeutic avenues. Boron and zinc derivatives exhibit antimicrobial, antiviral, and antifungal properties. OBJECTIVES This research aimed to establish the effectiveness of ZnO and ZB NPs in combating bacterial infections in lung cancer cell lines. METHODS Initially, this study determined the minimal inhibitory concentration (MIC) and fractional inhibitory concentration (FIC) of zinc oxide nanoparticles (ZnO NPs) and zinc borate (ZB) on chosen benchmark strains. Subsequent steps involved gauging treatment success through a lung cancer-bacteria combined culture and immunohistochemical analysis. RESULTS The inhibitory impact of ZnO NPs on bacteria was charted as follows: 0.97 µg/mL for K. pneumoniae 700603, 1.95 µg/mL for P. aeruginosa 27853, and 7.81 µg/mL for Acinetobacter baumannii 19,606. In comparison, the antibacterial influence of zinc borate was measured as 7.81 µg/mL for Klebsiella pneumoniae 700603 and 500 µg/mL for both P. aeruginosa 27853 and A.baumannii 19606. After 24 h, the cytotoxicity of ZnO NPs and ZB was analyzed using the MTT technique. The lowest cell viability was marked in the 500 µg/mL ZB NPs group, with a viability rate of 48.83% (P < 0.001). However, marked deviations appeared at ZB concentrations of 61.5 µg/mL (P < 0.05) and ZnO NPs at 125 µg/mL. CONCLUSION A synergistic microbial inhibitory effect was observed when ZnO NP and ZB were combined against the bacteria under investigation.
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Affiliation(s)
- Demet Celebi
- Faculty of Veterinary Medicine, Department of Microbiology, Ataturk University, Ataturk University Avenue, Erzurum, 25240, Turkey
- Vaccine Application and Development Center, Ataturk University, Ataturk University Avenue, Erzurum, 25240, Turkey
| | - Ozgur Celebi
- Faculty of Medicine, Department of Medical Microbiology, Ataturk University, Ataturk University Avenue, Erzurum, 25240, Turkey
| | - Ali Taghizadehghalehjoughi
- Faculty of Medicine, Department of Medical Pharmacology, Seyh Edebali University, 27 Fatih Sultan Mehmet Avenue, Bilecik, 11000, Turkey
| | - Sumeyye Baser
- Faculty of Medicine, Department of Medical Microbiology, Ataturk University, Ataturk University Avenue, Erzurum, 25240, Turkey
| | - Elif Aydın
- Tavsanli Vocational School of Health Services, Kutahya Health Sciences University, Sehit Ali Gaffar Okan Avenue, Kutahya, 430200, Turkey
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, Craiova, 200349, Romania
| | | | - Anca Oana Docea
- Department of Toxicology, University of Medicine and Pharmacy of Craiova, Craiova, 200349, Romania
| | - Aristidis Tsatsakis
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, University of Crete, Heraklion, 71003, Greece.
| | - Yaroslav Mezhuev
- Department of Biomaterials, Mendeleev University of Chemical Technology of Russia, 9 Miusskaya Square, Moscow, 125047, Russia
- Laboratory of Heterochain Polymers, A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilova st, Moscow, 119991, Russia
| | - Serkan Yildirim
- Faculty of Veterinary Medicine, Department of Pathology, Ataturk University, Ataturk University Avenue, Erzurum, 25240, Turkey
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Mouhammed K, Gdoura R. Study of the Genomic Characterization of Antibiotic-Resistant Escherichia Coli Isolated From Iraqi Patients with Urinary Tract Infections. Indian J Microbiol 2024; 64:457-466. [PMID: 39011020 PMCID: PMC11246310 DOI: 10.1007/s12088-023-01123-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 10/16/2023] [Indexed: 07/17/2024] Open
Abstract
Urinary tract infection is one of the last diseases prevalent in humans, with various causative agents affecting 250 million people annually, This study analyzed UTIs in Iraqi patients caused by Escherichia coli. ESBL enzymes contribute to antibiotic resistance. The research aimed to analyze ESBL gene frequency, resistance patterns, and genetic diversity of E. coli strains; Between Dec 2020 and May 2021, 200 urine samples were collected, cultured on blood agar, EMB, and MacConkey's plates, samples incubated at 37 °C for 24 h. Positive samples (> 100 cfu/ml) underwent Kirby-Bauer and CLSI antibiotic susceptibility testing. PCR detected virulence genes, Beta-lactamase coding genes, and biofilm-associated resistance genes in E. coli isolates; Out of 200 isolates, 80% comprised Gram-positive and Gram-negative bacteria. Specifically, 120 isolates (60%) were Gram-negative, while 40 isolates (20%) were Gram-positive. Among Gram-negative isolates, 20% were identified as E. coli. Remarkably, all E. coli strains showed resistance to all tested antibiotics, ranging from 80 to 95% resistance. The E. coli isolates harbored three identified resistance genes: blaTEM, blaSHV, and blaCTXM. Regarding biofilm production, 10% showed no formation, 12% weak formation, 62% moderate formation, and 16% strong formation; our study found that pathogenic E. coli caused 20% of UTIs. The majority of studied E. coli strains from UTI patients carried the identified virulence genes, which are vital for infection development and persistence.
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Affiliation(s)
- Kareem Mouhammed
- Faculty of Sciences, Research Laboratory of Environmental Toxicology Microbiology and Health (LR17ES06), Sfax University, BP 1171, 3000 Sfax, Tunisia
| | - Radhouane Gdoura
- Faculty of Sciences, Research Laboratory of Environmental Toxicology Microbiology and Health (LR17ES06), Sfax University, BP 1171, 3000 Sfax, Tunisia
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7
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Egwu CO, Aloke C, Onwe KT, Umoke CI, Nwafor J, Eyo RA, Chukwu JA, Ufebe GO, Ladokun J, Audu DT, Agwu AO, Obasi DC, Okoro CO. Nanomaterials in Drug Delivery: Strengths and Opportunities in Medicine. Molecules 2024; 29:2584. [PMID: 38893460 PMCID: PMC11173789 DOI: 10.3390/molecules29112584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/09/2024] [Accepted: 01/16/2024] [Indexed: 06/21/2024] Open
Abstract
There is a myriad of diseases that plague the world ranging from infectious, cancer and other chronic diseases with varying interventions. However, the dynamism of causative agents of infectious diseases and incessant mutations accompanying other forms of chronic diseases like cancer, have worsened the treatment outcomes. These factors often lead to treatment failure via different drug resistance mechanisms. More so, the cost of developing newer drugs is huge. This underscores the need for a paradigm shift in the drug delivery approach in order to achieve desired treatment outcomes. There is intensified research in nanomedicine, which has shown promises in improving the therapeutic outcome of drugs at preclinical stages with increased efficacy and reduced toxicity. Regardless of the huge benefits of nanotechnology in drug delivery, challenges such as regulatory approval, scalability, cost implication and potential toxicity must be addressed via streamlining of regulatory hurdles and increased research funding. In conclusion, the idea of nanotechnology in drug delivery holds immense promise for optimizing therapeutic outcomes. This work presents opportunities to revolutionize treatment strategies, providing expert opinions on translating the huge amount of research in nanomedicine into clinical benefits for patients with resistant infections and cancer.
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Affiliation(s)
- Chinedu O. Egwu
- Medical Research Council, London School of Hygiene and Tropical Medicine, Banjul 220, The Gambia
- Medical Biochemistry Department, College of Medicine, Alex-Ekwueme Federal University Ndufu-Alike, P.M.B. 1010, Ikwo 482131, Nigeria; (C.A.); (R.A.E.); (G.O.U.); (A.O.A.)
| | - Chinyere Aloke
- Medical Biochemistry Department, College of Medicine, Alex-Ekwueme Federal University Ndufu-Alike, P.M.B. 1010, Ikwo 482131, Nigeria; (C.A.); (R.A.E.); (G.O.U.); (A.O.A.)
- Protein Structure-Function and Research Unit, School of Molecular and Cell Biology, Faculty of Science, University of the Witwatersrand, Braamfontein, Johannesburg 2050, South Africa
| | - Kenneth T. Onwe
- Anatomy Department, College of Medicine, Alex-Ekwueme Federal University Ndufu-Alike, P.M.B. 1010, Ikwo 482131, Nigeria; (K.T.O.); (C.I.U.); (J.N.)
| | - Chukwunalu Igbudu Umoke
- Anatomy Department, College of Medicine, Alex-Ekwueme Federal University Ndufu-Alike, P.M.B. 1010, Ikwo 482131, Nigeria; (K.T.O.); (C.I.U.); (J.N.)
| | - Joseph Nwafor
- Anatomy Department, College of Medicine, Alex-Ekwueme Federal University Ndufu-Alike, P.M.B. 1010, Ikwo 482131, Nigeria; (K.T.O.); (C.I.U.); (J.N.)
| | - Robert A. Eyo
- Medical Biochemistry Department, College of Medicine, Alex-Ekwueme Federal University Ndufu-Alike, P.M.B. 1010, Ikwo 482131, Nigeria; (C.A.); (R.A.E.); (G.O.U.); (A.O.A.)
| | - Jennifer Adaeze Chukwu
- World Health Organization, United Nations House Plot 617/618 Central Area District, P.M.B. 2861, Abuja 900211, Nigeria;
| | - Godswill O. Ufebe
- Medical Biochemistry Department, College of Medicine, Alex-Ekwueme Federal University Ndufu-Alike, P.M.B. 1010, Ikwo 482131, Nigeria; (C.A.); (R.A.E.); (G.O.U.); (A.O.A.)
| | - Jennifer Ladokun
- Society for Family Health, 20 Omotayo Ojo Street, Allen, Ikeja 100246, Nigeria;
| | - David Tersoo Audu
- UNICEF Sokoto Field Office, 2 Rahamaniyya Street, Off Sama Road, Sokoto 840224, Nigeria;
| | - Anthony O. Agwu
- Medical Biochemistry Department, College of Medicine, Alex-Ekwueme Federal University Ndufu-Alike, P.M.B. 1010, Ikwo 482131, Nigeria; (C.A.); (R.A.E.); (G.O.U.); (A.O.A.)
| | - David Chukwu Obasi
- Department of Medical Biochemistry, David Umahi Federal University of Health Sciences, Uburu 491105, Nigeria; (D.C.O.); (C.O.O.)
| | - Chukwuemeka O. Okoro
- Department of Medical Biochemistry, David Umahi Federal University of Health Sciences, Uburu 491105, Nigeria; (D.C.O.); (C.O.O.)
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Hamarawf RF. Antibacterial, antibiofilm, and antioxidant activities of two novel metal-organic frameworks (MOFs) based on 4,6-diamino-2-pyrimidinethiol with Zn and Co metal ions as coordination polymers. RSC Adv 2024; 14:9080-9098. [PMID: 38500614 PMCID: PMC10945374 DOI: 10.1039/d4ra00545g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 03/04/2024] [Indexed: 03/20/2024] Open
Abstract
In the present era, the increase in free radical species (FRs) and multidrug-resistant (MDR) bacteria represents a major worldwide concern for public health. Biofilm development and the overuse and misuse of antibiotics could lead to the adaptation of bacteria to antimicrobial agents. Consequently, finding novel multifunctional species with antibacterial, antioxidant, and antibiofilm properties has become crucial in the fight against challenging bacterial infections and chronic inflammatory conditions. Metal-organic frameworks (MOFs) with zinc and cobalt metal centers are widely utilized in biological and environmental remediation owing to their versatility. In this study, multifunctional Zn-MOFs and Co-MOFs were successfully synthesized with zinc and cobalt as metal centers and 4,6-diamino-2-pyrimidinethiol as an organic linker using a hydrothermal technique. Numerous characterization techniques were used to fully examine the MOF structure, functionality, chemical makeup, crystalline structure, surface appearance, thermal behavior, and magnetic characteristics; the techniques included XPS, PXRD, FTIR, FESEM, EDX, UV-visible, BET, BJH, TGA/DTG, DSC, and magnetic susceptibility measurement. The antioxidant, antibacterial, and antibiofilm activities of the MOFs were examined, and they demonstrated potent activity in each of these aspects. The proposed mechanisms of antibacterial activity suggest that bacterial cell death results from multiple toxic effects, including electrostatic interaction and lipid peroxidation, when MOFs are attached to bacteria, leading to the formation of reactive oxygen species (ROSs). Zn-MOFs exhibit high antibacterial and antibiofilm efficacy owing to their large surface-to-volume ratio and porous nature, while Co-MOFs exhibit high antioxidant capacity owing to their redox properties.
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Affiliation(s)
- Rebaz F Hamarawf
- Department of Chemistry, College of Science, University of Sulaimani Kirkuk Road Sulaymaniyah City 46001 Kurdistan Region Iraq
- Department of Medical Laboratory Science, Komar University of Science and Technology (KUST) Qliasan St Sulaymaniyah City 46002 Kurdistan Region Iraq
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9
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Mullaivendhan J, Akbar I, Ahamed A, Gatasheh MK, Hatamleh AA, Raman G, Manilal A, Kuzhunellil Raghavanpillai S. Synthesis of a New Series of Anthraquinone-Linked Cyclopentanone Derivatives: Investigating the Antioxidant, Antibacterial, Cytotoxic and Tyrosinase Inhibitory Activities of the Mushroom Tyrosinase Enzyme Using Molecular Docking. Drug Des Devel Ther 2024; 18:597-612. [PMID: 38436040 PMCID: PMC10908290 DOI: 10.2147/dddt.s439633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 02/13/2024] [Indexed: 03/05/2024] Open
Abstract
Purpose New bioactive anthraquinone derivatives are investigated for antibacterial, tyrosinase inhibitory, antioxidant cytotoxic activity, and molecular docking. Methods The compounds were produced using the grindstone method, yielding 69 to 89%. These compounds were analyzed using IR, 1H, and 13C NMR and elemental and mass spectral methods. Additionally, the antibacterial, antioxidant, and tyrosinase inhibitory activities of all the synthesised compounds were evaluated. Results Compound 2 showed remarkable tyrosinase inhibition activity, with an (IC50: 13.45 µg/mL), compared to kojic acid (IC50: 19.40 µg/mL). It also exhibited moderate antioxidant and antibacterial activities with respect to the references BHT and ampicillin, respectively. Kinetic analysis revealed that the tyrosinase inhibitory activity of compound 2 was non-competitive and competitive, whereas that of compound 1 was low. All compounds (1-8) were significantly less active than doxorubicin (LC50: 0.74±0.01μg/mL). However, compound 2 affinity for the 2Y9X protein was lower than kojic acid, with a lower docking score (-8.6 kcal/mol compared to (-4.7 kcal/mol), making it more effective. Conclusion All synthesized compounds displayed remarkable antibacterial, tyrosinase inhibitory, antioxidant, and cytotoxic activities, with compound 2 showing exceptional potency as a multitarget agent. Anthraquinone substituent groups may offer the potential for the development of treatments. The derivatives were synthesized using the grindstone method, and their antibacterial, antioxidant, tyrosinase inhibitory, and cytotoxic activities were inspected. Molecular docking and molecular dynamics simulations were performed using compound 2 and kojic acid to validate the results and confirm the stability of the compounds.
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Affiliation(s)
- Janani Mullaivendhan
- Research Department of Chemistry, Nehru Memorial College (Affiliated to Bharathidasan University), Puthanampatti, Tamil Nadu, 621007, India
| | - Idhayadhulla Akbar
- Research Department of Chemistry, Nehru Memorial College (Affiliated to Bharathidasan University), Puthanampatti, Tamil Nadu, 621007, India
| | - Anis Ahamed
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Mansour K Gatasheh
- Department of Biochemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Ashraf Atef Hatamleh
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Gurusamy Raman
- Department of Life Science, Yeungnam University, Gyeongsan, Gyeongbuk-do, 38541, South Korea
| | - Aseer Manilal
- Department of Laboratory Sciences, College of Medicine and Health Sciences, Arba Minch University, Arba Minch, Ethiopia
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10
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Navarro-López DE, Perfecto-Avalos Y, Zavala A, de Luna MA, Sanchez-Martinez A, Ceballos-Sanchez O, Tiwari N, López-Mena ER, Sanchez-Ante G. Unraveling the Complex Interactions: Machine Learning Approaches to Predict Bacterial Survival against ZnO and Lanthanum-Doped ZnO Nanoparticles. Antibiotics (Basel) 2024; 13:220. [PMID: 38534655 DOI: 10.3390/antibiotics13030220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/22/2024] [Accepted: 02/26/2024] [Indexed: 03/28/2024] Open
Abstract
The rise in antibiotic-resistant bacteria is a global health challenge. Due to their unique properties, metal oxide nanoparticles show promise in addressing this issue. However, optimizing these properties requires a deep understanding of complex interactions. This study incorporated data-driven machine learning to predict bacterial survival against lanthanum-doped ZnO nanoparticles. The effect of incorporation of lanthanum ions on ZnO was analyzed. Even with high lanthanum concentration, no significant variations in structural, morphological, and optical properties were observed. The antibacterial activity of La-doped ZnO nanoparticles against Gram-positive and Gram-negative bacteria was qualitatively and quantitatively evaluated. Nanoparticles induce 60%, 95%, and 55% bacterial death against Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus, respectively. Algorithms such as Multilayer Perceptron, K-Nearest Neighbors, Gradient Boosting, and Extremely Random Trees were used to predict the bacterial survival percentage. Extremely Random Trees performed the best among these models with 95.08% accuracy. A feature relevance analysis extracted the most significant attributes to predict the bacterial survival percentage. Lanthanum content and particle size were irrelevant, despite what can be assumed. This approach offers a promising avenue for developing effective and tailored strategies to reduce the time and cost of developing antimicrobial nanoparticles.
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Affiliation(s)
- Diego E Navarro-López
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Av. Gral Ramón Corona No. 2514, Colonia Nuevo México, Zapopan 45121, Jalisco, Mexico
| | - Yocanxóchitl Perfecto-Avalos
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Av. Gral Ramón Corona No. 2514, Colonia Nuevo México, Zapopan 45121, Jalisco, Mexico
| | - Araceli Zavala
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Av. Gral Ramón Corona No. 2514, Colonia Nuevo México, Zapopan 45121, Jalisco, Mexico
| | - Marco A de Luna
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Av. Gral Ramón Corona No. 2514, Colonia Nuevo México, Zapopan 45121, Jalisco, Mexico
| | - Araceli Sanchez-Martinez
- Departamento de Ingenieria de Proyectos, Centro Universitario de Ciencias Exactas e Ingenierias (CUCEI), Universidad de Guadalajara, Av. José Guadalupe Zuno # 48, Industrial Los Belenes, Zapopan 45157, Jalisco, Mexico
| | - Oscar Ceballos-Sanchez
- Departamento de Ingenieria de Proyectos, Centro Universitario de Ciencias Exactas e Ingenierias (CUCEI), Universidad de Guadalajara, Av. José Guadalupe Zuno # 48, Industrial Los Belenes, Zapopan 45157, Jalisco, Mexico
| | - Naveen Tiwari
- Center for Research in Biological Chemistry and Molecular Materials (CiQUS), University of Santiago de Compostela, Rúa Jenaro de La Fuente S/N, 15782 Santiago de Compostela, Spain
| | - Edgar R López-Mena
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Av. Gral Ramón Corona No. 2514, Colonia Nuevo México, Zapopan 45121, Jalisco, Mexico
| | - Gildardo Sanchez-Ante
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Av. Gral Ramón Corona No. 2514, Colonia Nuevo México, Zapopan 45121, Jalisco, Mexico
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11
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Akbar I, Mullaivendhan J, Ahamed A, Aljawdah HM. Vitex Negundo-Fe 3O 4-CuO green nanocatalyst ( VN-Fe 3O 4-CuO): synthesis of pyrazolo[3,4- c]pyrazole derivatives via the cyclization of isoniazid with pyrazole and their antimicrobial activity, cytotoxicity, and molecular docking studies. RSC Adv 2024; 14:677-688. [PMID: 38173593 PMCID: PMC10758931 DOI: 10.1039/d3ra06771h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 12/05/2023] [Indexed: 01/05/2024] Open
Abstract
In this study, we developed a novel pyrazolo[3,4-c]pyrazole derivative with antibacterial and antifungal activities that shows great potential for treating infectious diseases. To evaluate the binding affinity of 1AJ0 and 1AI9 proteins for developing potent antibacterial and antifungal compounds, we used the Vitex negundo (VN) leaf extract as the capping and reducing agent and reacted it with Fe2O3 and Cu(OAc)2 solutions to synthesize the VN-Fe3O4-CuO nanocatalyst. The newly synthesized compounds were confirmed using Fourier transform infrared spectroscopy, transmission electron microscopy, UV-visible spectroscopy, and X-ray diffraction analyses. Antibacterial screening revealed that compound 1g was highly active against Escherichia coli (MIC: 1 μg mL-1) and was much more effective than the standard ciprofloxacin. Compound 1b showed a higher antifungal activity than clotrimazole against Candida albicans (MIC: 0.25 μg mL-1) and cytotoxic activity against MCF-7 cancer cell lines. Compounds 1a-1l were exhibited low cytotoxicity activity compared to the standard doxorubicin (LC50: 21.05 ± 0.82 μg mL-1). To further support the discovery of new active antibacterial agents, compounds 1g and 1b and proteins 1AJ0 and 1AI9 were examined using the AutoDock Vina program and were compared with the standards ciprofloxacin and clotrimazole. With the 1AJ0 protein, compound 1g had a higher docking score (-3.7 kcal mol-1) than ciprofloxacin (-5.6 kcal mol-1), and with the 1AI9 protein, compound 1b had a higher docking score (-4.8 kcal mol-1) than clotrimazole (-4.4 kcal mol-1). Additionally, molecular dynamics simulation was used to investigate the most probable binding mode of compounds 1b and 1g with 1AI9 and 1AJ0, respectively. The VN-Fe3O4-CuO catalyst was used to prepare pyrazolo[3,4-c]pyrazole derivatives, which were successfully characterized and screened for antimicrobial and cytotoxic activities, molecular docking, and molecular dynamics simulation studies.
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Affiliation(s)
- Idhayadhulla Akbar
- Research Department of Chemistry, Nehru Memorial College (Affiliated Bharathidasan University) Puthanampatti 621007 Tamil Nadu India
| | - Janani Mullaivendhan
- Research Department of Chemistry, Nehru Memorial College (Affiliated Bharathidasan University) Puthanampatti 621007 Tamil Nadu India
| | - Anis Ahamed
- Department of Botany and Microbiology, College of Science, King Saud University P. O. Box 2455 Riyadh 11451 Saudi Arabia
| | - Hossam M Aljawdah
- Department of Zoology, College of Science, King Saud University P. O. Box 2455 Riyadh 11451 Saudi Arabia
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12
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Xiao G, Li J, Sun Z. The Combination of Antibiotic and Non-Antibiotic Compounds Improves Antibiotic Efficacy against Multidrug-Resistant Bacteria. Int J Mol Sci 2023; 24:15493. [PMID: 37895172 PMCID: PMC10607837 DOI: 10.3390/ijms242015493] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/19/2023] [Accepted: 10/21/2023] [Indexed: 10/29/2023] Open
Abstract
Bacterial antibiotic resistance, especially the emergence of multidrug-resistant (MDR) strains, urgently requires the development of effective treatment strategies. It is always of interest to delve into the mechanisms of resistance to current antibiotics and target them to promote the efficacy of existing antibiotics. In recent years, non-antibiotic compounds have played an important auxiliary role in improving the efficacy of antibiotics and promoting the treatment of drug-resistant bacteria. The combination of non-antibiotic compounds with antibiotics is considered a promising strategy against MDR bacteria. In this review, we first briefly summarize the main resistance mechanisms of current antibiotics. In addition, we propose several strategies to enhance antibiotic action based on resistance mechanisms. Then, the research progress of non-antibiotic compounds that can promote antibiotic-resistant bacteria through different mechanisms in recent years is also summarized. Finally, the development prospects and challenges of these non-antibiotic compounds in combination with antibiotics are discussed.
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Affiliation(s)
| | | | - Zhiliang Sun
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (G.X.); (J.L.)
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The Potential of Antibiotics and Nanomaterial Combinations as Therapeutic Strategies in the Management of Multidrug-Resistant Infections: A Review. Int J Mol Sci 2022; 23:ijms232315038. [PMID: 36499363 PMCID: PMC9736695 DOI: 10.3390/ijms232315038] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/16/2022] [Accepted: 11/21/2022] [Indexed: 12/05/2022] Open
Abstract
Antibiotic resistance has become a major public health concern around the world. This is exacerbated by the non-discovery of novel drugs, the development of resistance mechanisms in most of the clinical isolates of bacteria, as well as recurring infections, hindering disease treatment efficacy. In vitro data has shown that antibiotic combinations can be effective when microorganisms are resistant to individual drugs. Recently, advances in the direction of combination therapy for the treatment of multidrug-resistant (MDR) bacterial infections have embraced antibiotic combinations and the use of nanoparticles conjugated with antibiotics. Nanoparticles (NPs) can penetrate the cellular membrane of disease-causing organisms and obstruct essential molecular pathways, showing unique antibacterial mechanisms. Combined with the optimal drugs, NPs have established synergy and may assist in regulating the general threat of emergent bacterial resistance. This review comprises a general overview of antibiotic combinations strategies for the treatment of microbial infections. The potential of antibiotic combinations with NPs as new entrants in the antimicrobial therapy domain is discussed.
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