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Abdulrehman T, Qadri S, Haik Y, Sultan A, Skariah S, Kumar S, Mendoza Z, Yadav KK, Titus A, Khader S. Advances in the targeted theragnostics of osteomyelitis caused by Staphylococcus aureus. Arch Microbiol 2024; 206:288. [PMID: 38834761 DOI: 10.1007/s00203-024-04015-2] [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: 03/31/2024] [Revised: 05/14/2024] [Accepted: 05/20/2024] [Indexed: 06/06/2024]
Abstract
Bone infections caused by Staphylococcus aureus may lead to an inflammatory condition called osteomyelitis, which results in progressive bone loss. Biofilm formation, intracellular survival, and the ability of S. aureus to evade the immune response result in recurrent and persistent infections that present significant challenges in treating osteomyelitis. Moreover, people with diabetes are prone to osteomyelitis due to their compromised immune system, and in life-threatening cases, this may lead to amputation of the affected limbs. In most cases, bone infections are localized; thus, early detection and targeted therapy may prove fruitful in treating S. aureus-related bone infections and preventing the spread of the infection. Specific S. aureus components or overexpressed tissue biomarkers in bone infections could be targeted to deliver active therapeutics, thereby reducing drug dosage and systemic toxicity. Compounds like peptides and antibodies can specifically bind to S. aureus or overexpressed disease markers and combining these with therapeutics or imaging agents can facilitate targeted delivery to the site of infection. The effectiveness of photodynamic therapy and hyperthermia therapy can be increased by the addition of targeting molecules to these therapies enabling site-specific therapy delivery. Strategies like host-directed therapy focus on modulating the host immune mechanisms or signaling pathways utilized by S. aureus for therapeutic efficacy. Targeted therapeutic strategies in conjunction with standard surgical care could be potential treatment strategies for S. aureus-associated osteomyelitis to overcome antibiotic resistance and disease recurrence. This review paper presents information about the targeting strategies and agents for the therapy and diagnostic imaging of S. aureus bone infections.
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Affiliation(s)
- Tahir Abdulrehman
- eHealth Program, DeGroote School of Business, McMaster University, Hamilton, ON, Canada
- Health Policy, Management and Informatics, Allied Health, Credit Valley Hospital, Mississauga, ON, Canada
| | - Shahnaz Qadri
- School of Pharmacy, Texas A&M University, Kingsville, USA.
| | - Yousef Haik
- Department of Mechanical & Nuclear Engineering, University of Sharjah, Sharjah, UAE.
| | - Ali Sultan
- Department of Immunology & Microbiology, Weill Cornell Medicine-Qatar, Doha, Qatar
| | - Sini Skariah
- Department of Immunology & Microbiology, Weill Cornell Medicine-Qatar, Doha, Qatar
| | - Shourya Kumar
- School of Engineering Medicine, Texas A&M University, Houston, TX, USA
| | - Zachary Mendoza
- School of Engineering Medicine, Texas A&M University, Houston, TX, USA
| | - Kamlesh K Yadav
- School of Engineering Medicine, Texas A&M University, Houston, TX, USA
| | - Anoop Titus
- Department of Preventive Cardiology, Houston Methodist, Houston, TX, USA
| | - Shameer Khader
- School of Public Health, Faculty of Medicine, Imperial College London, London, UK
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Shi YG, Chen WX, Zheng MZ, Zhao YX, Wang YR, Chu YH, Du ST, Shi ZY, Gu Q, Chen JS. Ultraefficient OG-Mediated Photodynamic Inactivation Mechanism for Ablation of Bacteria and Biofilms in Water Augmented by Potassium Iodide under Blue Light Irradiation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:13672-13687. [PMID: 37671932 DOI: 10.1021/acs.jafc.3c03182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
While photodynamic inactivation (PDI) has emerged as a novel sterilization strategy for drinking water treatment that recently attracted tremendous attention, its efficiency needs to be further improved. In this study, we aimed to clarify the ultraefficient mechanism by which potassium iodide (KI) potentiates octyl gallate (OG)-mediated PDI against bacteria and biofilms in water. When OG (0.15 mM) and bacteria were exposed to blue light (BL, 420 nm, 210 mW/cm2), complete sterilization (>7.5 Log cfu/mL of killing) was achieved by the addition of KI (250 mM) within only 5 min (63.9 J/cm2). In addition, at lower doses of OG (0.1 mM) with KI (100 mM), the biofilm was completely eradicated within 10 min (127.8 J/cm2). The KI-potentiated mechanism involves in situ rapid photogeneration of a multitude of reactive oxygen species, especially hydroxyl radicals (•OH), reactive iodine species, and new photocytocidal substances (quinone) by multiple photochemical pathways, which led to the destruction of cell membranes and membrane proteins, the cleavage of genomic DNA and extracellular DNA within biofilms, and the degradation of QS signaling molecules. This multitarget synergistic strategy provided new insights into the development of an environmentally friendly, safe, and ultraefficient photodynamic drinking water sterilization technology.
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Affiliation(s)
- Yu-Gang Shi
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310035 Zhejiang, China
- Key Laboratory for Food Microbial Technology of Zhejiang Province, Zhejiang Gongshang University, Hangzhou 310035 Zhejiang, China
| | - Wen-Xuan Chen
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310035 Zhejiang, China
| | - Mei-Zhi Zheng
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310035 Zhejiang, China
| | - Yue-Xin Zhao
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310035 Zhejiang, China
| | - Yi-Ran Wang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310035 Zhejiang, China
| | - Yen-Ho Chu
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi 62102 Taiwan, China
| | - Shao-Ting Du
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou 310015, China
| | - Ze-Yu Shi
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou 310015, China
| | - Qing Gu
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310035 Zhejiang, China
- Key Laboratory for Food Microbial Technology of Zhejiang Province, Zhejiang Gongshang University, Hangzhou 310035 Zhejiang, China
| | - Jian-She Chen
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310035 Zhejiang, China
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Braga GÚL, Silva-Junior GJ, Brancini GTP, Hallsworth JE, Wainwright M. Photoantimicrobials in agriculture. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 235:112548. [PMID: 36067596 DOI: 10.1016/j.jphotobiol.2022.112548] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/30/2022] [Accepted: 08/16/2022] [Indexed: 06/15/2023]
Abstract
Classical approaches for controlling plant pathogens may be impaired by the development of pathogen resistance to chemical pesticides and by limited availability of effective antimicrobial agents. Recent increases in consumer awareness of and/or legislation regarding environmental and human health, and the urgent need to improve food security, are driving increased demand for safer antimicrobial strategies. Therefore, there is a need for a step change in the approaches used for controlling pre- and post-harvest diseases and foodborne human pathogens. The use of light-activated antimicrobial substances for the so-called antimicrobial photodynamic treatment is known to be effective not only in a clinical context, but also for use in agriculture to control plant-pathogenic fungi and bacteria, and to eliminate foodborne human pathogens from seeds, sprouted seeds, fruits, and vegetables. Here, we take a holistic approach to review and re-evaluate recent findings on: (i) the ecology of naturally-occurring photoantimicrobials, (ii) photodynamic processes including the light-activated antimicrobial activities of some plant metabolites, and (iii) fungus-induced photosensitization of plants. The inhibitory mechanisms of both natural and synthetic light-activated substances, known as photosensitizers, are discussed in the contexts of microbial stress biology and agricultural biotechnology. Their modes-of-antimicrobial action make them neither stressors nor toxins/toxicants (with specific modes of poisonous activity), but a hybrid/combination of both. We highlight the use of photoantimicrobials for the control of plant-pathogenic fungi and quantify their potential contribution to global food security.
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Affiliation(s)
- Gilberto Ú L Braga
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-903, Brazil.
| | | | - Guilherme T P Brancini
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-903, Brazil.
| | - John E Hallsworth
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, Northern Ireland, United Kingdom.
| | - Mark Wainwright
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom.
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Yeo WWY, Maran S, Kong ASY, Cheng WH, Lim SHE, Loh JY, Lai KS. A Metal-Containing NP Approach to Treat Methicillin-Resistant Staphylococcus aureus (MRSA): Prospects and Challenges. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15175802. [PMID: 36079184 PMCID: PMC9456709 DOI: 10.3390/ma15175802] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/15/2022] [Accepted: 07/28/2022] [Indexed: 06/01/2023]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) is an important cause of pneumonia in humans, and it is associated with high morbidity and mortality rates, especially in immunocompromised patients. Its high rate of multidrug resistance led to an exploration of novel antimicrobials. Metal nanoparticles have shown potent antibacterial activity, thus instigating their application in MRSA. This review summarizes current insights of Metal-Containing NPs in treating MRSA. This review also provides an in-depth appraisal of opportunities and challenges in utilizing metal-NPs to treat MRSA.
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Affiliation(s)
- Wendy Wai Yeng Yeo
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Malaysia
| | - Sathiya Maran
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Malaysia
| | - Amanda Shen-Yee Kong
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Malaysia
| | - Wan-Hee Cheng
- Faculty of Health and Life Sciences, INTI International University, Persiaran Perdana BBN, Putra Nilai, Nilai 71800, Malaysia
| | - Swee-Hua Erin Lim
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates
| | - Jiun-Yan Loh
- Centre of Research for Advanced Aquaculture (COORA), UCSI University, Cheras 56000, Malaysia
| | - Kok-Song Lai
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates
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