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Wan Alias WAS, Ismail N, Hasan HB, Nik Abdul Ghani NR, Abdulrazak MH, Hassan SA. Phytochemical Composition and Antimicrobial Efficacy of Salvadora persica Root Extracts Against Carbapenem-Resistant Acinetobacter baumannii. Cureus 2024; 16:e58660. [PMID: 38774172 PMCID: PMC11105968 DOI: 10.7759/cureus.58660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/20/2024] [Indexed: 05/24/2024] Open
Abstract
Background Carbapenem-resistant Acinetobacter baumannii (CRAB) are difficult to eradicate from the environment and are virtually immune to all antibiotics. Consequently, CRAB may culminate in severe outbreaks and fatal infections among people attending hospitals and nursing homes. Salvadora persica has been used as an herbal remedy and chewing sticks for dental cleansing. Evaluating S. persica's efficacy against CRAB may provide an alternative approach to treating CRAB infections in healthcare environments, considering its traditional application in dental hygiene. Employing S. persica as an herbal remedy could be a part of a more sustainable approach to control CRAB infections. Aim To investigate the phytochemical composition of S. persica and evaluate its antimicrobial properties. Materials and methods The roots were extracted by Soxhlet apparatus using n-hexane, chloroform, and methanol. Each extract was analyzed using gas chromatography-mass spectrometry (GCMS) and characterized using WN908.L and National Institute of Standards and Technology (NIST) libraries. The antimicrobial activity of each extract against CRAB was evaluated using a broth microdilution assay to determine the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). Results The GCMS analysis of different solvent extracts of S. persica roots showed the presence of various phytochemical compounds such as steroids, phenolic compounds, fatty acids, alcohols, terpenoids, and vitamin E. Both chloroform and hexane extracts showed the most effective antimicrobial activity with a MIC value of 3.13 mg/mL and an MBC value of 12.50 mg/mL, respectively. Benzoic acid was the major phytochemical compound identified from S. persica extract. N-hexane, chloroform, and methanol extracts exhibited maximum antimicrobial activity due to the presence of active compounds in them. Conclusion Chloroform and hexane extracts showed the most potent antibacterial activities against CRAB.
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Affiliation(s)
- Wan Alif Syazwani Wan Alias
- Medical Microbiology and Parasitology, School of Medical Sciences, University Sains Malaysia, Kubang Kerian, MYS
| | - Norzila Ismail
- Pharmacology, School of Medical Sciences, University Sains Malaysia, Kubang Kerian, MYS
| | - Habsah B Hasan
- Medical Microbiology and Parasitology, School of Medical Sciences, University Sains Malaysia, Kubang Kerian, MYS
| | - Nik Rozainah Nik Abdul Ghani
- Conservative Dentistry and Endodontics, School of Dental Sciences, University Sains Malaysia, Kubang Kerian, MYS
| | - Mohammed H Abdulrazak
- Medical Microbiology and Parasitology, School of Medical Sciences, University Sains Malaysia, Kubang Kerian, MYS
| | - Siti Asma Hassan
- Medical Microbiology and Parasitology, School of Medical Sciences, University Sains Malaysia, Kubang Kerian, MYS
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Jung Y, Kim S, Kim MG, Lee YE, Shin MG, Yang S. One-Step Detection of Vancomycin in Whole Blood Using the Lateral Flow Immunoassay. BIOSENSORS 2024; 14:129. [PMID: 38534236 DOI: 10.3390/bios14030129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/24/2024] [Accepted: 02/26/2024] [Indexed: 03/28/2024]
Abstract
Vancomycin (VAN) is an effective antibiotic against Gram-positive bacteria and the first-line therapy to prevent and treat methicillin-resistant Staphylococcus aureus (MRSA) and severe infections. However, low concentrations of VAN can result in resistant strains. High doses of VAN can cause nephrotoxicity and ototoxicity; thus, VAN is a representative drug for which drug monitoring is recommended. Several methods have been proposed to detect VAN. Among them, lateral flow immunoassays (LFIAs) have advantages, such as simple and user-friendly operation, low sample volume requirement, and cost effectiveness. In this study, we developed an LFIA capable of rapid on-site detection such that the VAN concentration in plasma could be monitored within 20 min by a one-step detection process using whole blood without plasma separation. VAN can be detected in whole blood over a wide range of concentrations (20-10,000 ng/mL), and the LFIA reported here has a detection limit of 18 ng/mL. The applicability of the developed LFIA compared to the results of measuring VAN with a commercial enzyme-linked immunosorbent assay kit showed a satisfactory correlation (Spearman's rho, ρ = 0.891). Therefore, the developed LFIA enables rapid and wide-range VAN detection in whole blood and can aid in drug monitoring to evaluate patients' responses to treatment.
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Affiliation(s)
- Yugyung Jung
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Seonjong Kim
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Min-Gon Kim
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
- GMD Biotech, Inc., Gwangju 61005, Republic of Korea
| | - Young-Eun Lee
- Department of Laboratory Medicine, Chonnam National University Hwasun Hospital (CNUHH), Hwasun 58128, Republic of Korea
- Accelerator Platform of Precision Medicine, Chonnam National University Hwasun Hospital (CNUHH), Hwasun 58128, Republic of Korea
| | - Myung-Geun Shin
- Department of Laboratory Medicine, Chonnam National University Hwasun Hospital (CNUHH), Hwasun 58128, Republic of Korea
- Accelerator Platform of Precision Medicine, Chonnam National University Hwasun Hospital (CNUHH), Hwasun 58128, Republic of Korea
| | - Sung Yang
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
- School of Mechanical Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
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Huang MB, Brena D, Wu JY, Shelton M, Bond VC. SMR peptide antagonizes Staphylococcus aureus biofilm formation. Microbiol Spectr 2024; 12:e0258323. [PMID: 38170991 PMCID: PMC10846015 DOI: 10.1128/spectrum.02583-23] [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: 06/21/2023] [Accepted: 11/07/2023] [Indexed: 01/05/2024] Open
Abstract
The emergence and international dissemination of multi-drug resistant Staphylococcus aureus (S. aureus) strains challenge current antibiotic-based therapies, representing an urgent threat to public health worldwide. In the U.S. alone, S. aureus infections are responsible for 11,000 deaths and 500,000 hospitalizations annually. Biofilm formation is a major contributor to antibiotic tolerance and resistance-induced delays in empirical therapy with increased infection severity, frequency, treatment failure, and mortality. Developing novel treatment strategies to prevent and disrupt biofilm formation is imperative. In this article, we test the Secretion Modification Region (SMR) peptides for inhibitory effects on resistant S. aureus biofilm-forming capacity by targeting the molecular chaperone DnaK. The dose effect of SMR peptides on biofilm formation was assessed using microtiter plate methods and confocal microscopy. Interaction between the antagonist and DnaK was determined by immune precipitation with anti-Flag M2 Affinity and Western blot analysis. Increasing SMR peptide concentrations exhibited increasing blockade of S. aureus biofilm formation with significant inhibition found at 18 µM, 36 µM, and 72 µM. This work supports the potential therapeutic benefit of SMR peptides in reducing biofilm viability and could improve the susceptibility to antimicrobial agents.IMPORTANCEThe development of anti-biofilm agents is critical to restoring bacterial sensitivity, directly combating the evolution of resistance, and overall reducing the clinical burden related to pervasive biofilm-mediated infections. Thus, in this study, the SMR peptide, a novel small molecule derived from the HIV Nef protein, was preliminarily explored for anti-biofilm properties. The SMR peptide was shown to effectively target the molecular chaperone DnaK and inhibit biofilm formation in a dose-dependent manner. These results support further investigation into the mechanism of SMR peptide-mediated biofilm formation and inhibition to benefit rational drug design and the identification of therapeutic targets.
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Affiliation(s)
- Ming-Bo Huang
- Department of Microbiology, Biochemistry, and Immunology, Morehouse School of Medicine, Atlanta, Georgia, USA
| | - Dara Brena
- Department of Microbiology, Biochemistry, and Immunology, Morehouse School of Medicine, Atlanta, Georgia, USA
| | - Jennifer Y. Wu
- Columbia University School of International and Public Affairs, Columbia University, New York, New York, USA
| | - Martin Shelton
- Department of Microbiology, Biochemistry, and Immunology, Morehouse School of Medicine, Atlanta, Georgia, USA
- NanoString Technologies, Inc, Seattle, Washington, USA
| | - Vincent C. Bond
- Department of Microbiology, Biochemistry, and Immunology, Morehouse School of Medicine, Atlanta, Georgia, USA
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Perveen I, Bukhari B, Najeeb M, Nazir S, Faridi TA, Farooq M, Ahmad QUA, Abusalah MAHA, ALjaraedah TY, Alraei WY, Rabaan AA, Singh KKB, Abusalah MAHA. Hydrogen Therapy and Its Future Prospects for Ameliorating COVID-19: Clinical Applications, Efficacy, and Modality. Biomedicines 2023; 11:1892. [PMID: 37509530 PMCID: PMC10377251 DOI: 10.3390/biomedicines11071892] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/09/2023] [Accepted: 06/13/2023] [Indexed: 07/30/2023] Open
Abstract
Molecular hydrogen is renowned as an odorless and colorless gas. The recommendations developed by China suggest that the inhalation of hydrogen molecules is currently advised in COVID-19 pneumonia treatment. The therapeutic effects of molecular hydrogens have been confirmed after numerous clinical trials and animal-model-based experiments, which have expounded that the low molecular weight of hydrogen enables it to easily diffuse and permeate through the cell membranes to produce a variety of biological impacts. A wide range of both chronic and acute inflammatory diseases, which may include sepsis, pancreatitis, respiratory disorders, autoimmune diseases, ischemia-reperfusion damages, etc. may be treated and prevented by using it. H2 can primarily be inoculated through inhalation, by drinking water (which already contains H2), or by administrating the injection of saline H2 in the body. It may play a pivotal role as an antioxidant, in regulating the immune system, in anti-inflammatory activities (mitochondrial energy metabolism), and cell death (apoptosis, pyroptosis, and autophagy) by reducing the formation of excessive reactive O2 species and modifying the transcription factors in the nuclei of the cells. However, the fundamental process of molecular hydrogen is still not entirely understood. Molecular hydrogen H2 has a promising future in therapeutics based on its safety and possible usefulness. The current review emphasizes the antioxidative, anti-apoptotic, and anti-inflammatory effects of hydrogen molecules along with the underlying principle and fundamental mechanism involved, with a prime focus on the coronavirus disease of 2019 (COVID-19). This review will also provide strategies and recommendations for the therapeutic and medicinal applications of the hydrogen molecule.
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Affiliation(s)
- Ishrat Perveen
- Food and Biotechnology Research Centre, Pakistan Council of Scientific and Industrial Research Centre, Lahore 54590, Pakistan
| | - Bakhtawar Bukhari
- Food and Biotechnology Research Centre, Pakistan Council of Scientific and Industrial Research Centre, Lahore 54590, Pakistan
| | - Mahwish Najeeb
- University Institute of Public Health, The University of Lahore, Lahore 54590, Pakistan
| | - Sumbal Nazir
- School of Zoology, Minhaj University Lahore, Lahore 54770, Pakistan
| | - Tallat Anwar Faridi
- University Institute of Public Health, The University of Lahore, Lahore 54590, Pakistan
| | - Muhammad Farooq
- Food and Biotechnology Research Centre, Pakistan Council of Scientific and Industrial Research Centre, Lahore 54590, Pakistan
| | - Qurat-Ul-Ain Ahmad
- Division of Science and Technology, University of Education, Township Lahore, Lahore 54770, Pakistan
| | - Manal Abdel Haleem A Abusalah
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia
| | - Thana' Y ALjaraedah
- Department of Diet Therapy Technology & Dietetics, Faculty of Allied Medical Sciences, Zarqa University, Al-Zarqa 13132, Jordan
| | - Wesal Yousef Alraei
- Department of Diet Therapy Technology & Dietetics, Faculty of Allied Medical Sciences, Zarqa University, Al-Zarqa 13132, Jordan
| | - Ali A Rabaan
- Molecular Diagnostic Laboratory, Johns Hopkins Aramco Healthcare, Dhahran 31311, Saudi Arabia
| | - Kirnpal Kaur Banga Singh
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia
| | - Mai Abdel Haleem A Abusalah
- Department of Medical Laboratory Sciences, Faculty of Allied Medical Sciences, Zarqa University, Al-Zarqa 13132, Jordan
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Serra N, Di Carlo P, Andriolo M, Mazzola G, Diprima E, Rea T, Anastasia A, Fasciana TMA, Pipitò L, Capra G, Giammanco A, Cascio A. Staphylococcus aureus and Coagulase-Negative Staphylococci from Bloodstream Infections: Frequency of Occurrence and Antimicrobial Resistance, 2018-2021. Life (Basel) 2023; 13:1356. [PMID: 37374138 DOI: 10.3390/life13061356] [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: 05/01/2023] [Revised: 05/30/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND The abuse of antibiotics during the SARS-CoV-2 pandemic might have disrupted efforts to curb the further development and spread of the antimicrobial resistance of Staphylococcus aureus infection and Staphylococcus spp. coagulase-negative (CoNS) agents of nosocomial bloodstream infections (NBSIs). The purpose of our work was to study the resistance patterns of Staphylococcus aureus and CoNS through the analysis of blood cultures in hospitalized SARS-CoV-2-positive and SARS-CoV-2-negative patients (pts.). MATERIALS AND METHODS During the period January 2018-June 2021, a retrospective case-control study was performed on blood cultures positive for Staphylococcus spp. detected in 177 adult pts. (≥18 years old) hospitalized for >48 hours at Sant'Elia Hospital, Caltanissetta. RESULTS Staphylococcus aureus was isolated in 33.9% of blood culture samples, and among CoNS, the most frequent strains were Staphylococcus capitis (18.6%) and Staphylococcus hominis (18.1%). Patients aged ≥ 65 years, with a greater number of males, comprised the SARS-CoV-2-negative pts. (71.8% vs. 52.2%, p = 0.0154). Among the SARS-CoV-2-positive patients, the significant resistance of Staphylococcus aureus was only observed for erythromycin (57.1%). The oxacillin resistance of Staphylococcus capitis was higher in SARS-CoV-2-positive than in negative pts. (90% and 78.3%, respectively). Comparing the two groups, we found an increase in resistance in SARS-CoV-2-negative patients for the following antibiotics: gentamicin for Staphylococcus aureus (p = 0.007), clindamycin and erythromycin (p = 0.012) for Staphylococcus hominis and oxacillin and rifampicin for Staphylococcus haemoliticus (p = 0.012). CONCLUSIONS Our study confirms the relevance of oxacillin-resistant Staphylococcus aureus in being responsible for bloodstream infection and draws attention to highly oxacillin-resistant CoNS such as Staphylococcus capitis. The presence of resistant strains of CoNS in hospitals can be worrying, as it limits treatment options and worsens outcomes. The Infection Control Committee (ICC) recommends new treatment strategies to decrease colonization and infections. As part of the implementation of a bloodstream infection prevention program, the authors encourage the introduction of a report on the antimicrobial resistance of hospital bacteremia due to CoNS.
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Affiliation(s)
- Nicola Serra
- Department of Public Health, University Federico II of Naples, 80131 Napoli, Italy
| | - Paola Di Carlo
- Department of Health Promotion, Maternal-Childhood, Internal Medicine of Excellence "G. D'Alessandro", Infectious Disease Unit, University of Palermo, 90127 Palermo, Italy
| | - Maria Andriolo
- Clinical Pathology Unit, S. Elia Hospital, 93100 Caltanissetta, Italy
| | - Giovanni Mazzola
- Infectious Disease Unit, Provincial Health Authority of Caltanissetta, 93100 Caltanissetta, Italy
| | - Elena Diprima
- Hypatia Degree Course, Caltanissetta, University of Palermo, 90127 Palermo, Italy
| | - Teresa Rea
- Department of Public Health, University Federico II of Naples, 80131 Napoli, Italy
| | - Antonio Anastasia
- Department of Health Promotion, Maternal-Childhood, Internal Medicine of Excellence "G. D'Alessandro", Infectious Disease Unit, University of Palermo, 90127 Palermo, Italy
| | - Teresa Maria Assunta Fasciana
- Department of Health Promotion, Maternal-Childhood, Internal Medicine of Excellence "G. D'Alessandro", University of Palermo, 90127 Palermo, Italy
| | - Luca Pipitò
- Department of Health Promotion, Maternal-Childhood, Internal Medicine of Excellence "G. D'Alessandro", Infectious Disease Unit, University of Palermo, 90127 Palermo, Italy
| | - Giuseppina Capra
- Department of Health Promotion, Maternal-Childhood, Internal Medicine of Excellence "G. D'Alessandro", Microbiology and Virology Unit, University of Palermo, 90127 Palermo, Italy
| | - Anna Giammanco
- Department of Health Promotion, Maternal-Childhood, Internal Medicine of Excellence "G. D'Alessandro", University of Palermo, 90127 Palermo, Italy
| | - Antonio Cascio
- Department of Health Promotion, Maternal-Childhood, Internal Medicine of Excellence "G. D'Alessandro", Infectious Disease Unit, University of Palermo, 90127 Palermo, Italy
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