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Azuma T, Usui M, Hasei T, Hayashi T. On-Site Inactivation for Disinfection of Antibiotic-Resistant Bacteria in Hospital Effluent by UV and UV-LED. Antibiotics (Basel) 2024; 13:711. [PMID: 39200012 PMCID: PMC11350808 DOI: 10.3390/antibiotics13080711] [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: 07/02/2024] [Revised: 07/27/2024] [Accepted: 07/28/2024] [Indexed: 09/01/2024] Open
Abstract
The problem of antimicrobial resistance (AMR) is not limited to the medical field but is also becoming prevalent on a global scale in the environmental field. Environmental water pollution caused by the discharge of wastewater into aquatic environments has caused concern in the context of the sustainable development of modern society. However, there have been few studies focused on the treatment of hospital wastewater, and the potential consequences of this remain unknown. This study evaluated the efficacy of the inactivation of antimicrobial-resistant bacteria (AMRB) and antimicrobial resistance genes (AMRGs) in model wastewater treatment plant (WWTP) wastewater and hospital effluent based on direct ultraviolet (UV) light irradiation provided by a conventional mercury lamp with a peak wavelength of 254 nm and an ultraviolet light-emitting diode (UV-LED) with a peak emission of 280 nm under test conditions in which the irradiance of both was adjusted to the same intensity. The overall results indicated that both UV- and UV-LED-mediated disinfection effectively inactivated the AMRB in both wastewater types (>99.9% after 1-3 min of UV and 3 min of UV-LED treatment). Additionally, AMRGs were also removed (0.2-1.4 log10 for UV 254 nm and 0.1-1.3 log10 for UV 280 nm), and notably, there was no statistically significant decrease (p < 0.05) in the AMRGs between the UV and UV-LED treatments. The results of this study highlight the importance of utilizing a local inactivation treatment directly for wastewater generated by a hospital prior to its flow into a WWTP as sewage. Although additional disinfection treatment at the WWTP is likely necessary to remove the entire quantity of AMRB and AMRGs, the present study contributes to a significant reduction in the loads of WWTP and urgent prevention of the spread of infectious diseases, thus alleviating the potential threat to the environment and human health risks associated with AMR problems.
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Affiliation(s)
- Takashi Azuma
- Department of Pharmacy, Osaka Medical and Pharmaceutical University, Takatsuki 569-1094, Japan; (T.H.); (T.H.)
| | - Masaru Usui
- Food Microbiology and Food Safety, Department of Health and Environmental Sciences, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu 069-8501, Japan;
| | - Tomohiro Hasei
- Department of Pharmacy, Osaka Medical and Pharmaceutical University, Takatsuki 569-1094, Japan; (T.H.); (T.H.)
| | - Tetsuya Hayashi
- Department of Pharmacy, Osaka Medical and Pharmaceutical University, Takatsuki 569-1094, Japan; (T.H.); (T.H.)
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Manhas R, Rathore A, Havelikar U, Mahajan S, Gandhi SG, Mahapa A. Uncovering the potentiality of quinazoline derivatives against Pseudomonas aeruginosa with antimicrobial synergy and SAR analysis. J Antibiot (Tokyo) 2024; 77:365-381. [PMID: 38514856 DOI: 10.1038/s41429-024-00717-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 02/10/2024] [Accepted: 02/27/2024] [Indexed: 03/23/2024]
Abstract
Antimicrobial resistance has emerged as a covert global health crisis, posing a significant threat to humanity. If left unaddressed, it is poised to become the foremost cause of mortality worldwide. Among the multitude of resistant bacterial pathogens, Pseudomonas aeruginosa, a Gram-negative, facultative bacterium, has been responsible for mild to deadly infections. It is now enlisted as a global critical priority pathogen by WHO. Urgent measures are required to combat this formidable pathogen, necessitating the development of novel anti-pseudomonal drugs. To confront this pressing issue, we conducted an extensive screening of 3561 compounds from the ChemDiv library, resulting in the discovery of potent anti-pseudomonal quinazoline derivatives. Among the identified compounds, IDD-8E has emerged as a lead molecule, exhibiting exceptional efficacy against P. aeruginosa while displaying no cytotoxicity. Moreover, IDD-8E demonstrated significant pseudomonal killing, disruption of pseudomonal biofilm and other anti-bacterial properties comparable to a well-known antibiotic rifampicin. Additionally, IDD-8E's synergy with different antibiotics further strengthens its potential as a powerful anti-pseudomonal agent. IDD-8E also exhibited significant antimicrobial efficacy against other ESKAPE pathogens. Moreover, we elucidated the Structure-Activity-Relationship (SAR) of IDD-8E targeting the essential WaaP protein in P. aeruginosa. Altogether, our findings emphasize the promise of IDD-8E as a clinical candidate for novel anti-pseudomonal drugs, offering hope in the battle against antibiotic resistance and its devastating impact on global health.
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Affiliation(s)
- Rakshit Manhas
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu, 180001, India
| | - Arti Rathore
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu, 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ujwal Havelikar
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu, 180001, India
| | - Shavi Mahajan
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu, 180001, India
| | - Sumit G Gandhi
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu, 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Avisek Mahapa
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu, 180001, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Azuma T, Usui M, Hayashi T. Inactivation of antibiotic-resistant bacteria in hospital wastewater by ozone-based advanced water treatment processes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167432. [PMID: 37777130 DOI: 10.1016/j.scitotenv.2023.167432] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/14/2023] [Accepted: 09/26/2023] [Indexed: 10/02/2023]
Abstract
The emergence and spread of antimicrobial resistance (AMR) continue on a global scale. The impacts of wastewater on the environment and human health have been identified, and understanding the environmental impacts of hospital wastewater and exploring appropriate forms of treatment are major societal challenges. In the present research, we evaluated the efficacy of ozone (O3)-based advanced wastewater treatment systems (O3, O3/H2O2, O3/UV, and O3/UV/H2O2) for the treatment of antimicrobials, antimicrobial-resistant bacteria (AMRB), and antimicrobial resistance genes (AMRGs) in wastewater from medical facilities. Our results indicated that the O3-based advanced wastewater treatment inactivated multiple antimicrobials (>99.9%) and AMRB after 10-30 min of treatment. Additionally, AMRGs were effectively removed (1.4-6.6 log10) during hospital wastewater treatment. The inactivation and/or removal performances of these pollutants through the O3/UV and O3/UV/H2O2 treatments were significantly (P < 0.05) better than those in the O3 and O3/H2O2 treatments. Altered taxonomic diversity of microorganisms based on 16S rRNA gene sequencing following the O3-based treatment showed that advanced wastewater treatments not only removed viable bacteria but also removed genes constituting microorganisms in the wastewater. Consequently, the objective of this study was to apply advanced wastewater treatments to treat wastewater, mitigate environmental pollution, and alleviate potential threats to environmental and human health associated with AMR. Our findings will contribute to enhancing the effectiveness of advanced wastewater treatment systems through on-site application, not only in wastewater treatment plants (WWTPs) but also in medical facilities. Moreover, our results will help reduce the discharge of AMRB and AMRGs into rivers and maintain the safety of aquatic environments.
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Affiliation(s)
- Takashi Azuma
- Department of Pharmacy, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan.
| | - Masaru Usui
- Food Microbiology and Food Safety, Department of Health and Environmental Sciences, School of Veterinary Medicine, Rakuno Gakuen University, 582 Midorimachi, Bunkyodai, Ebetsu, Hokkaido 069-8501, Japan
| | - Tetsuya Hayashi
- Department of Pharmacy, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan; Faculty of Human Development, Department of Food and Nutrition Management Studies, Soai University, 4-4-1 Nankonaka, Osaka Suminoeku, Osaka 559-0033, Japan
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El-Warrak L, Nunes M, Luna G, Barbosa CE, Lyra A, Argôlo M, Lima Y, Salazar H, de Souza JM. Towards the Future of Public Health: Roadmapping Trends and Scenarios in the Post-COVID Healthcare Era. Healthcare (Basel) 2023; 11:3118. [PMID: 38132008 PMCID: PMC10743190 DOI: 10.3390/healthcare11243118] [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: 10/18/2023] [Revised: 11/13/2023] [Accepted: 11/22/2023] [Indexed: 12/23/2023] Open
Abstract
The COVID-19 pandemic, a transformative event in modern society, has disrupted routine, work, behavior, and human relationships. Organizations, amidst the chaos, have innovatively adapted to the evolving situation. However, many countries were unprepared for the magnitude of the challenge, revealing the fragility of health responses due to inadequate leadership, insufficient resources, and poor information system integration. Structural changes in health systems are imperative, particularly in leadership, governance, human resources, financing, information systems, technology, and health service provision. This research utilizes the Technological Roadmapping method to analyze the health sector, focusing on public health, drawing on articles from SCOPUS and PubMed databases, and creating a roadmap extending to 2050. The research presents three long-term scenarios based on the literature-derived roadmap and explores various alternatives, including integrated care, telemedicine, Big Data utilization, nanotechnology, and Big Tech's AI services. The results underscore the anticipation of post-pandemic public health with high expectations, emphasizing the importance of integrating health history access, encouraging self-care, and leveraging technology for streamlined treatment. Practical implications include insights for decision makers and stakeholders to inform strategic planning and adapt to evolving industry demands, recognizing the significance of preventive services and the humanizing potential of technology.
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Affiliation(s)
- Leonardo El-Warrak
- Graduate School of Engineering (COPPE), Universidade Federal do Rio de Janeiro (UFRJ), Avenida Horácio Macedo 2030, Centro de Tecnologia, Bloco H, Rio de Janeiro 21941-972, Brazil; (L.E.-W.); (G.L.); (Y.L.); (H.S.)
| | - Mariano Nunes
- Graduate School of Engineering (COPPE), Universidade Federal do Rio de Janeiro (UFRJ), Avenida Horácio Macedo 2030, Centro de Tecnologia, Bloco H, Rio de Janeiro 21941-972, Brazil; (L.E.-W.); (G.L.); (Y.L.); (H.S.)
| | - Gabriel Luna
- Graduate School of Engineering (COPPE), Universidade Federal do Rio de Janeiro (UFRJ), Avenida Horácio Macedo 2030, Centro de Tecnologia, Bloco H, Rio de Janeiro 21941-972, Brazil; (L.E.-W.); (G.L.); (Y.L.); (H.S.)
| | - Carlos Eduardo Barbosa
- Graduate School of Engineering (COPPE), Universidade Federal do Rio de Janeiro (UFRJ), Avenida Horácio Macedo 2030, Centro de Tecnologia, Bloco H, Rio de Janeiro 21941-972, Brazil; (L.E.-W.); (G.L.); (Y.L.); (H.S.)
- Centro de Análises de Sistemas Navais, Rio de Janeiro 20091-000, Brazil
| | - Alan Lyra
- Graduate School of Engineering (COPPE), Universidade Federal do Rio de Janeiro (UFRJ), Avenida Horácio Macedo 2030, Centro de Tecnologia, Bloco H, Rio de Janeiro 21941-972, Brazil; (L.E.-W.); (G.L.); (Y.L.); (H.S.)
| | - Matheus Argôlo
- Graduate School of Engineering (COPPE), Universidade Federal do Rio de Janeiro (UFRJ), Avenida Horácio Macedo 2030, Centro de Tecnologia, Bloco H, Rio de Janeiro 21941-972, Brazil; (L.E.-W.); (G.L.); (Y.L.); (H.S.)
| | - Yuri Lima
- Graduate School of Engineering (COPPE), Universidade Federal do Rio de Janeiro (UFRJ), Avenida Horácio Macedo 2030, Centro de Tecnologia, Bloco H, Rio de Janeiro 21941-972, Brazil; (L.E.-W.); (G.L.); (Y.L.); (H.S.)
| | - Herbert Salazar
- Graduate School of Engineering (COPPE), Universidade Federal do Rio de Janeiro (UFRJ), Avenida Horácio Macedo 2030, Centro de Tecnologia, Bloco H, Rio de Janeiro 21941-972, Brazil; (L.E.-W.); (G.L.); (Y.L.); (H.S.)
| | - Jano Moreira de Souza
- Graduate School of Engineering (COPPE), Universidade Federal do Rio de Janeiro (UFRJ), Avenida Horácio Macedo 2030, Centro de Tecnologia, Bloco H, Rio de Janeiro 21941-972, Brazil; (L.E.-W.); (G.L.); (Y.L.); (H.S.)
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Mudenda S, Bumbangi FN, Yamba K, Munyeme M, Malama S, Mukosha M, Hadunka MA, Daka V, Matafwali SK, Siluchali G, Mainda G, Mukuma M, Hang’ombe BM, Muma JB. Drivers of antimicrobial resistance in layer poultry farming: Evidence from high prevalence of multidrug-resistant Escherichia coli and enterococci in Zambia. Vet World 2023; 16:1803-1814. [PMID: 37859964 PMCID: PMC10583887 DOI: 10.14202/vetworld.2023.1803-1814] [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: 06/01/2023] [Accepted: 08/10/2023] [Indexed: 10/21/2023] Open
Abstract
Background and Aim Inappropriate use of antimicrobials exacerbates antimicrobial resistance (AMR) in the poultry sector. Information on factors driving AMR in the layer poultry sector is scarce in Zambia. This study examined the drivers of AMR in the layer poultry sector in the Lusaka and Copperbelt Provinces of Zambia. Materials and Methods This cross-sectional study employed a structured questionnaire in 77 layer poultry farms in the provinces of Lusaka and Copperbelt, Zambia, from September 2020 to April 2021. Data analysis was conducted using Stata version 16.1. Antimicrobial resistance was defined as the presence of multidrug resistance (MDR) isolates. Multivariable regression analysis was used to identify drivers of AMR. Results In total, 365 samples were collected, from which 339 (92.9%) Escherichia coli and 308 (84.4%) Enterococcus spp. were isolated. Multidrug resistance was identified in 39% of the E. coli and 86% of the Enterococcus spp. The overall prevalence of AMR in layer poultry farms was 51.7% (95% confidence interval [CI]: 40.3%-63.5%). Large-scale farmers (Adjusted odds ratio [AOR] = 0.20, 95% CI: 0.04%-0.99%) than small-scale and farmers who were aware of AMR than those who were unaware (AOR = 0.26, 95% CI: 0.08%-0.86%) were less likely to experience AMR problems. Conclusion This study found a high prevalence of AMR in layer poultry farming linked to the type of farm management practices and lack of AMR awareness. Evidence of high MDR in our study is of public health concern and requires urgent attention. Educational interventions must increase AMR awareness, especially among small- and medium-scale poultry farmers.
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Affiliation(s)
- Steward Mudenda
- Department of Pharmacy, School of Health Sciences, University of Zambia, Lusaka, Zambia
- Department of Disease Control, School of Veterinary Medicine, University of Zambia, Lusaka, Zambia
| | - Flavien Nsoni Bumbangi
- Department of Medicine and Clinical Sciences, School of Medicine, Eden University, Lusaka, Zambia
| | - Kaunda Yamba
- Department of Disease Control, School of Veterinary Medicine, University of Zambia, Lusaka, Zambia
- Department of Biological Sciences, School of Natural Sciences, University of Zambia, Lusaka, Zambia
| | - Musso Munyeme
- Department of Disease Control, School of Veterinary Medicine, University of Zambia, Lusaka, Zambia
| | - Sydney Malama
- Department of Pathology and Microbiology Laboratory, University Teaching Hospitals, Lusaka, Zambia
| | - Moses Mukosha
- Department of Pharmacy, School of Health Sciences, University of Zambia, Lusaka, Zambia
| | | | - Victor Daka
- Department of Public Health, Michael Chilufya Sata School of Medicine, Copperbelt University, Ndola, Zambia
| | - Scott Kaba Matafwali
- Department of Clinical Research, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Godfrey Siluchali
- Department of Disease Control, School of Veterinary Medicine, University of Zambia, Lusaka, Zambia
- Department of Anatomy and Physiological Sciences, Institute of Basic and Biomedical Sciences, Levy Mwanawasa Medical University, Lusaka, Zambia
| | - Geoffrey Mainda
- Food and Agriculture Organization (FAO) of the United Nations, House No. 5 Chaholi, off Addis Ababa drive, Lusaka, Zambia
| | - Mercy Mukuma
- Department of Food Science and Nutrition, School of Agricultural Sciences, University of Zambia, Lusaka, Zambia
| | - Bernard Mudenda Hang’ombe
- Department of Paraclinical Studies, School of Veterinary Medicine, University of Zambia, Lusaka, Zambia
| | - John Bwalya Muma
- Department of Disease Control, School of Veterinary Medicine, University of Zambia, Lusaka, Zambia
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Walia K, Mendelson M, Kang G, Venkatasubramanian R, Sinha R, Vijay S, Veeraraghavan B, Basnyat B, Rodrigues C, Bansal N, Ray P, Mathur P, Gopalakrishnan R, Ohri VC. How can lessons from the COVID-19 pandemic enhance antimicrobial resistance surveillance and stewardship? THE LANCET. INFECTIOUS DISEASES 2023; 23:e301-e309. [PMID: 37290476 DOI: 10.1016/s1473-3099(23)00124-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 02/27/2023] [Accepted: 02/27/2023] [Indexed: 06/10/2023]
Abstract
COVID-19 demanded urgent and immediate global attention, during which other public health crises such as antimicrobial resistance (AMR) increased silently, undermining patient safety and the life-saving ability of several antimicrobials. In 2019, WHO declared AMR a top ten global public health threat facing humanity, with misuse and overuse of antimicrobials as the main drivers in the development of antimicrobial-resistant pathogens. AMR is steadily on the rise, especially in low-income and middle-income countries across south Asia, South America, and Africa. Extraordinary circumstances often demand an extraordinary response as did the COVID-19 pandemic, underscoring the fragility of health systems across the world and forcing governments and global agencies to think creatively. The key strategies that helped to contain the increasing SARS-CoV-2 infections included a focus on centralised governance with localised implementation, evidence-based risk communication and community engagement, use of technological methods for tracking and accountability, extensive expansion of access to diagnostics, and a global adult vaccination programme. The extensive and indiscriminate use of antimicrobials to treat patients, particularly in the early phase of the pandemic, have adversely affected AMR stewardship practices. However, there were important lessons learnt during the pandemic, which can be leveraged to strengthen surveillance and stewardship, and revitalise efforts to address the AMR crisis.
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Affiliation(s)
- Kamini Walia
- Division of Epidemiology and Communicable Diseases, Indian Council of Medical Research, New Delhi 110029, India.
| | - Marc Mendelson
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa
| | - Gagandeep Kang
- Department of Clinical Microbiology, Christian Medical College, Vellore, India
| | | | - Rina Sinha
- World Health Organization, Country Office for India, New Delhi, India
| | - Sonam Vijay
- Division of Epidemiology and Communicable Diseases, Indian Council of Medical Research, New Delhi 110029, India
| | | | - Buddha Basnyat
- Oxford University Clinical Research Unit, Patan Academy of Health Sciences, Kathmandu, Nepal
| | - Camilla Rodrigues
- Department of Microbiology, PD Hinduja Hospital, Mumbai, Maharashtra, India
| | - Nitin Bansal
- Division of Infectious Diseases, Rajiv Gandhi Cancer Institute and Research Centre, New Delhi, India
| | - Pallab Ray
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Purva Mathur
- Department of Laboratory Medicine, Jai Prakash Narayan Apex Trauma Center, All India Institute of Medical Sciences, New Delhi, India
| | | | - Vinod C Ohri
- Division of Epidemiology and Communicable Diseases, Indian Council of Medical Research, New Delhi 110029, India
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Hernandez-Patlan D, Tellez-Isaias G, Hernandez-Velasco X, Solis-Cruz B. Editorial: Technological strategies to improve animal health and production. Front Vet Sci 2023; 10:1206170. [PMID: 37292431 PMCID: PMC10244759 DOI: 10.3389/fvets.2023.1206170] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 05/02/2023] [Indexed: 06/10/2023] Open
Affiliation(s)
- Daniel Hernandez-Patlan
- Laboratorio 5: Laboratorio de Ensayos de Desarrollo Farmacéutico (LEDEFAR), Unidad de Investigacion Multidisciplinaria, Facultad de Estudios Superiores (FES) Cuautitlan, Universidad Nacional Autonoma de Mexico, Cuautitlán Izcalli, Mexico
- División de Ingeniería en Nanotecnología, Universidad Politécnica del Valle de México, Tultitlan, Mexico
| | | | - Xochitl Hernandez-Velasco
- Departamento de Medicina y Zootecnia de Aves, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, Ciudad de México, Mexico
| | - Bruno Solis-Cruz
- Laboratorio 5: Laboratorio de Ensayos de Desarrollo Farmacéutico (LEDEFAR), Unidad de Investigacion Multidisciplinaria, Facultad de Estudios Superiores (FES) Cuautitlan, Universidad Nacional Autonoma de Mexico, Cuautitlán Izcalli, Mexico
- División de Ingeniería en Nanotecnología, Universidad Politécnica del Valle de México, Tultitlan, Mexico
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Rizvi SMD, Hussain T, Alshammari F, Sonbol H, Ahmad N, Faiyaz SSM, Kamal MA, Khafagy ES, Moin A, Abu Lila AS. Nano-Conversion of Ineffective Cephalosporins into Potent One against Resistant Clinical Uro-Pathogens via Gold Nanoparticles. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:475. [PMID: 36770436 PMCID: PMC9919271 DOI: 10.3390/nano13030475] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 01/20/2023] [Accepted: 01/20/2023] [Indexed: 06/18/2023]
Abstract
Infections caused by resistant bacterial pathogens have increased the complications of clinicians worldwide. The quest for effective antibacterial agents against resistant pathogens has prompted researchers to develop new classes of antibiotics. Unfortunately, pathogens have acted more smartly by developing resistance to even the newest class of antibiotics with time. The culture sensitivity analysis of the clinical samples revealed that pathogens are gaining resistance toward the new generations of cephalosporins at a very fast rate globally. The current study developed gold nanoparticles (AuNPs) that could efficiently deliver the 2nd (cefotetan-CT) and 3rd (cefixime-CX) generation cephalosporins to resistant clinical pathogens. In fact, both CT and CX were used to reduce and stabilize AuNPs by applying a one-pot synthesis approach, and their characterization was performed via spectrophotometry, dynamic light scattering and electron microscopy. Moreover, the synthesized AuNPs were tested against uro-pathogenic resistant clinical strains of Escherichia coli and Klebsiella pneumoniae. CT-AuNPs characteristic SPR peak was observed at 542 nm, and CX-AuNPs showed the same at 522 nm. The stability measurement showed ζ potential as -24.9 mV and -25.2 mV for CT-AuNPs and CX-AuNPs, respectively. Scanning electron microscopy revealed the spherical shape of both the AuNPs, whereas, the size by transmission electron microscopy for CT-AuNPs and CX-AuNPs were estimated to be 45 ± 19 nm and 35 ± 17 nm, respectively. Importantly, once loaded onto AuNPs, both the cephalosporin antibiotics become extremely potent against the resistant strains of E. coli and K. pneumoniae with MIC50 in the range of 0.5 to 0.8 μg/mL. The findings propose that old-generation unresponsive antibiotics could be revived into potent nano-antibiotics via AuNPs. Thus, investing efforts, intellect, time and funds for a nano-antibiotic strategy might be a better approach to overcome resistance than investing the same in the development of newer antibiotic molecule(s).
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Affiliation(s)
- Syed Mohd Danish Rizvi
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
- Molecular Diagnostic & Personalized Therapeutic Unit, University of Ha’il, Ha’il 81442, Saudi Arabia
| | - Talib Hussain
- Molecular Diagnostic & Personalized Therapeutic Unit, University of Ha’il, Ha’il 81442, Saudi Arabia
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
| | - Farhan Alshammari
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
| | - Hana Sonbol
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Nabeel Ahmad
- Department of Biotechnology, School of Allied Sciences, Dev Bhoomi Uttarakhand University, Dehradun 248007, India
| | | | - Mohammad Amjad Kamal
- Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610065, China
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
- Novel Global Community Educational Foundation, Hebersham, NSW 2770, Australia
| | - El-Sayed Khafagy
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt
| | - Afrasim Moin
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
- Molecular Diagnostic & Personalized Therapeutic Unit, University of Ha’il, Ha’il 81442, Saudi Arabia
| | - Amr Selim Abu Lila
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
- Molecular Diagnostic & Personalized Therapeutic Unit, University of Ha’il, Ha’il 81442, Saudi Arabia
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