1
|
Li S, Barnard AS. Inverse Design of Nanoparticles Using Multi‐Target Machine Learning. ADVANCED THEORY AND SIMULATIONS 2021. [DOI: 10.1002/adts.202100414] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sichao Li
- School of Computing Australian National University Acton Australian Capital Territory 2601 Australia
| | - Amanda S. Barnard
- School of Computing Australian National University Acton Australian Capital Territory 2601 Australia
| |
Collapse
|
2
|
Hassanien AA, Elsherif WM, Hamed R, Hussein AAA. Suppression effect of thyme and carvacrol nano-emulsions on Aspergillus fumigatus isolated from patients in the intensive care unit of Assiut University Hospital, Egypt. INTERNATIONAL JOURNAL OF ONE HEALTH 2021. [DOI: 10.14202/ijoh.2021.116-121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background and Aim: Aspergillus fumigatus is a zoonotic fungus that causes several diseases in humans ranging from allergic reaction to fatal disseminated invasive infection, especially in immunocompromised patients. This study aimed to investigate the incidence of invasive A. fumigatus in patients admitted to the intensive care unit (ICU) of Assiut University Hospital, highlight the factors associated with their infection, and determine the antifungal effect of thyme nano-emulsion (TNE) and carvacrol nano-emulsion (CNE) on isolated A. fumigatus strains.
Materials and Methods: Mycological culture method and scanning electron microscopy (SEM) were used in the identification of A. fumigatus in 630 blood samples collected from 210 patients. TNE and CNE at five concentrations (1%, 2%, 4%, 6%, and 8%) and average sizes of 90.3 and 75.6 nm, respectively, were characterized by transmission electron microscopy. Their effect on A. fumigatus isolate growth was evaluated by the well-diffusion method and SEM, which was used for the detection of the degenerative effect of A. fumigatus ultrastructure.
Results: A. fumigatus was detected in 54 of 210 (25.7%) patients in the ICU. Advanced age and chronic diseases were considered important risk factors for invasive aspergillosis, especially in patients with more than 1 clinical disease. TNE and CNE showed an inhibitory effect on A. fumigatus isolates, which significantly increased with high concentrations. The respective values for TNE at concentrations of 6% and 8% were 6±0.41 mm and 15±0.67 mm. CNE completely inhibited A. fumigatus growth at concentrations of 4%, 6%, and 8%, while mean inhibition zones of 22±0.68 mm and 30±0.32 mm appeared at concentrations of 1% and 2%. SEM demonstrated degenerative changes in A. fumigatus structure.
Conclusion: TNE and CNE can be used in bioactive treatments against A. fumigatus, and additional studies are required to determine the safe and effective doses and best method for application in human and veterinary medicine.
Collapse
Affiliation(s)
- Alshimaa A. Hassanien
- Department of Zoonoses, Faculty of Veterinary Medicine, Sohag University, Sohag, Egypt
| | - Walaa M. Elsherif
- Nanotechnology Research Unit, Animal Health Research Institute, Agriculture Research Centre, Egypt
| | - Rasha Hamed
- Department of Anaesthesia, Intensive Care Unit and Pain Management, Faculty of Medicine, Assiut University, Egypt
| | | |
Collapse
|
3
|
Bunker A, Róg T. Mechanistic Understanding From Molecular Dynamics Simulation in Pharmaceutical Research 1: Drug Delivery. Front Mol Biosci 2020; 7:604770. [PMID: 33330633 PMCID: PMC7732618 DOI: 10.3389/fmolb.2020.604770] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 11/02/2020] [Indexed: 12/12/2022] Open
Abstract
In this review, we outline the growing role that molecular dynamics simulation is able to play as a design tool in drug delivery. We cover both the pharmaceutical and computational backgrounds, in a pedagogical fashion, as this review is designed to be equally accessible to pharmaceutical researchers interested in what this new computational tool is capable of and experts in molecular modeling who wish to pursue pharmaceutical applications as a context for their research. The field has become too broad for us to concisely describe all work that has been carried out; many comprehensive reviews on subtopics of this area are cited. We discuss the insight molecular dynamics modeling has provided in dissolution and solubility, however, the majority of the discussion is focused on nanomedicine: the development of nanoscale drug delivery vehicles. Here we focus on three areas where molecular dynamics modeling has had a particularly strong impact: (1) behavior in the bloodstream and protective polymer corona, (2) Drug loading and controlled release, and (3) Nanoparticle interaction with both model and biological membranes. We conclude with some thoughts on the role that molecular dynamics simulation can grow to play in the development of new drug delivery systems.
Collapse
Affiliation(s)
- Alex Bunker
- Division of Pharmaceutical Biosciences, Drug Research Program, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Tomasz Róg
- Department of Physics, University of Helsinki, Helsinki, Finland
| |
Collapse
|
4
|
Li R, Ma Y, Dong Y, Zhao Z, You C, Huang S, Li X, Wang F, Zhang Y. Novel Paclitaxel-Loaded Nanoparticles Based on Human H Chain Ferritin for Tumor-Targeted Delivery. ACS Biomater Sci Eng 2019; 5:6645-6654. [PMID: 33423483 DOI: 10.1021/acsbiomaterials.9b01533] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Paclitaxel (PTX), an excellent chemotherapeutic antitumor drug, is widely used to treat patients with various cancers. However, its clinical applications are greatly restricted by poor solubility and lack of targeting. Herein, we applied natural human H chain ferritin (HFtn) nanocages that can bind to tumor cells via interacting with the human transferritin receptor 1 (TfR1) leading to its endocytosis as the PTX carrier for the targeted delivery. PTX molecules were encapsulated into HFtn cavity using disassembly/reassembly method through adjusting pH. According to the requirements of drugs suitable for clinical trials, HFtn can be easily purified in high yields with no ligand modification or property modulation. We demonstrated that PTX molecules were successfully encapsulated in the protein nanocages. The HFtn-PTX nanoparticles exhibited similar morphology and structural characteristics to the hollow cage and showed significant cytotoxicity in vitro than the naked PTX. Flow cytometry, confocal laser scanning microscopy, and in vivo imaging of MDA-MB-231 tumor demonstrated the HFtn-PTX nanoparticles targeting ability to tumor cells. Cell apoptosis assay showed that HFtn-PTX had similar apoptotic characteristics on MDA-MB-231 cells as that of the free PTX. HFtn-PTX nanoparticles have higher in vivo therapeutic efficacy and lower systemic toxicity. The BALB/c mice model also confirmed the effectiveness of the nanoparticles. Specifically targeting to tumors and solving the solubility issue of water-insoluble drugs thus alleviating the side effects, HFtn can be an efficient hydrophobic drug delivery nanocarrier for further applications in cancer therapy.
Collapse
Affiliation(s)
- Ruike Li
- College of Chemical Engineering, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Products, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Yuanmeng Ma
- College of Chemical Engineering, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Products, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Yixin Dong
- College of Chemical Engineering, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Products, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Zhujun Zhao
- College of Chemical Engineering, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Products, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Chaoqun You
- College of Chemical Engineering, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Products, Nanjing Forestry University, Nanjing 210037, P. R. China.,School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, P. R. China
| | - Shenlin Huang
- College of Chemical Engineering, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Products, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Xun Li
- College of Chemical Engineering, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Products, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Fei Wang
- College of Chemical Engineering, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Products, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Yu Zhang
- College of Chemical Engineering, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Products, Nanjing Forestry University, Nanjing 210037, P. R. China
| |
Collapse
|
5
|
Mullis AS, Broderick SR, Binnebose AM, Peroutka-Bigus N, Bellaire BH, Rajan K, Narasimhan B. Data Analytics Approach for Rational Design of Nanomedicines with Programmable Drug Release. Mol Pharm 2019; 16:1917-1928. [PMID: 30973741 DOI: 10.1021/acs.molpharmaceut.8b01272] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Drug delivery vehicles can improve the functional efficacy of existing antimicrobial therapies by improving biodistribution and targeting. A critical property of such nanomedicine formulations is their ability to control the release kinetics of their payloads. The combination of (and interactions among) polymer, drug, and nanoparticle properties gives rise to nonlinear behavioral relationships and large data space. These factors complicate both first-principles modeling and screening of nanomedicine formulations. Predictive analytics may offer a more efficient approach toward the rational design of nanomedicines by identifying key descriptors and correlating them to nanoparticle release behavior. In this work, antibiotic release kinetics data were generated from polyanhydride nanoparticle formulations with varying copolymer compositions, encapsulated drug type, and drug loading. Four antibiotics, doxycycline, rifampicin, chloramphenicol, and pyrazinamide, were used. Linear manifold learning methods were used to relate drug release properties with polymer, drug, and nanoparticle properties, and key descriptors were identified that are highly correlated with release properties. However, these linear methods could not predict release behavior. Nonlinear multivariate modeling based on graph theory was then used to deconvolute the governing relationships between these properties, and predictive models were generated to rapidly screen lead nanomedicine formulations with desirable release properties with minimal nanoparticle characterization. Release kinetics predictions of two drugs containing atoms not included in the model showed good agreement with experimental results, validating the model and indicating its potential to virtually explore new polymer and drug pairs not included in the training data set. The models were shown to be robust after the inclusion of these new formulations, in that the new inclusions did not significantly change model regression. This approach provides the first step toward the development of a framework that can be used to rationally design nanomedicine formulations by selecting the appropriate carrier for a drug payload to program desirable release kinetics.
Collapse
Affiliation(s)
| | - Scott R Broderick
- Department of Materials Design and Innovation , University at Buffalo , Buffalo , New York 14260 , United States
| | | | | | | | - Krishna Rajan
- Department of Materials Design and Innovation , University at Buffalo , Buffalo , New York 14260 , United States
| | | |
Collapse
|
6
|
Ferracini R, Martínez Herreros I, Russo A, Casalini T, Rossi F, Perale G. Scaffolds as Structural Tools for Bone-Targeted Drug Delivery. Pharmaceutics 2018; 10:pharmaceutics10030122. [PMID: 30096765 PMCID: PMC6161191 DOI: 10.3390/pharmaceutics10030122] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 08/02/2018] [Accepted: 08/03/2018] [Indexed: 12/19/2022] Open
Abstract
Although bone has a high potential to regenerate itself after damage and injury, the efficacious repair of large bone defects resulting from resection, trauma or non-union fractures still requires the implantation of bone grafts. Materials science, in conjunction with biotechnology, can satisfy these needs by developing artificial bones, synthetic substitutes and organ implants. In particular, recent advances in materials science have provided several innovations, underlying the increasing importance of biomaterials in this field. To address the increasing need for improved bone substitutes, tissue engineering seeks to create synthetic, three-dimensional scaffolds made from organic or inorganic materials, incorporating drugs and growth factors, to induce new bone tissue formation. This review emphasizes recent progress in materials science that allows reliable scaffolds to be synthesized for targeted drug delivery in bone regeneration, also with respect to past directions no longer considered promising. A general overview concerning modeling approaches suitable for the discussed systems is also provided.
Collapse
Affiliation(s)
- Riccardo Ferracini
- Department of Surgical Sciences, Orthopaedic Clinic-IRCCS A.O.U. San Martino, 16132 Genova, Italy.
| | - Isabel Martínez Herreros
- Department of Surgical Sciences, Orthopaedic Clinic-IRCCS A.O.U. San Martino, 16132 Genova, Italy.
| | - Antonio Russo
- Department of Surgical Sciences, Orthopaedic Clinic-IRCCS A.O.U. San Martino, 16132 Genova, Italy.
| | - Tommaso Casalini
- Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, ETH Zurich, Vladimir-Prelog-Weg 1, 8093 Zurich, Switzerland.
- Biomaterials Laboratory, Institute for Mechanical Engineering and Materials Technology, University of Applied Sciences and Arts of Southern Switzerland, Via Cantonale 2C, Galleria, 26928 Manno, Switzerland.
| | - Filippo Rossi
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, via Mancinelli 7, 20131 Milano, Italy.
| | - Giuseppe Perale
- Department of Surgical Sciences, Orthopaedic Clinic-IRCCS A.O.U. San Martino, 16132 Genova, Italy.
- Biomaterials Laboratory, Institute for Mechanical Engineering and Materials Technology, University of Applied Sciences and Arts of Southern Switzerland, Via Cantonale 2C, Galleria, 26928 Manno, Switzerland.
- Industrie Biomediche Insubri SA, Via Cantonale 67, 6805 Mezzovico-Vira, Switzerland.
| |
Collapse
|
7
|
Szalewski DA, Hinrichs VS, Zinniel DK, Barletta RG. The pathogenicity ofAspergillus fumigatus, drug resistance, and nanoparticle delivery. Can J Microbiol 2018; 64:439-453. [DOI: 10.1139/cjm-2017-0749] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The genus Aspergillus includes fungal species that cause major health issues of significant economic importance. These microorganisms are also the culprit for production of carcinogenic aflatoxins in grain storages, contaminating crops, and economically straining the production process. Aspergillus fumigatus is a very important pathogenic species, being responsible for high human morbidity and mortality on a global basis. The prevalence of these infections in immunosuppressed individuals is on the rise, and physicians struggle with the diagnosis of these deadly pathogens. Several virulence determinants facilitate fungal invasion and evasion of the host immune response. Metabolic functions are also important for virulence and drug resistance, since they allow fungi to obtain nutrients for their own survival and growth. Following a positive diagnostic identification, mortality rates remain high due, in part, to emerging resistance to frequently used antifungal drugs. In this review, we discuss the role of the main virulence, drug target, and drug resistance determinants. We conclude with the review of new technologies being developed to treat aspergillosis. In particular, microsphere and nanoparticle delivery systems are discussed in the context of improving drug bioavailability. Aspergillus will likely continue to cause problematic infections in immunocompromised patients, so it is imperative to improve treatment options.
Collapse
Affiliation(s)
- David A. Szalewski
- Department of Biological Systems Engineering, University of Nebraska, Lincoln, NE 68583-0726, USA
- Department of Microbiology, University of Nebraska, Lincoln, NE 68588-0664, USA
| | - Victoria S. Hinrichs
- College of Agricultural Sciences and Natural Resources, University of Nebraska, Lincoln, NE 68583-0702, USA
| | - Denise K. Zinniel
- School of Veterinary Medicine and Biomedical Sciences, University of Nebraska, Lincoln, NE 68583-0905, USA
| | - Raúl G. Barletta
- School of Veterinary Medicine and Biomedical Sciences, University of Nebraska, Lincoln, NE 68583-0905, USA
| |
Collapse
|
8
|
|
9
|
Wang C, Zhang C, Li Z, Yin S, Wang Q, Guo F, Zhang Y, Yu R, Liu Y, Su Z. Extending Half Life of H-Ferritin Nanoparticle by Fusing Albumin Binding Domain for Doxorubicin Encapsulation. Biomacromolecules 2018; 19:773-781. [PMID: 29328653 DOI: 10.1021/acs.biomac.7b01545] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Nanoparticles based on the heavy chain of the human ferritin (HFn) are arousing growing interest in the field of drug delivery due to their exceptional characteristics. However, the unsatisfied plasma half life of HFn substantially limits its application as a delivery platform for antitumor agents. Herein we fused an albumin binding domain (ABD) variant that basically derives from the streptococcal protein G and possesses a long-acting characteristic in serum albumin to the N-terminus of the HFn for the aim of half-life extension. This ABD-HFn construct was highly expressed and fully self-assembled into symmetrical and spherical structure in E. coli bacteria. The purified ABD-HFn showed a similar particle size with wild-type HFn and also exhibited an extremely high binding affinity with human serum albumin. To evaluate the therapeutic potential of this ABD-HFn construct in terms of half-life extension, we encapsulated a model antitumor agent doxorubicin (DOX) into the ABD-HFn. Significantly outstanding loading efficacy of above 60 molecules doxorubicin for each ABD-HFn cage was achieved. The doxorubicin-loaded ABD-HFn nanoparticle was characterized and further compared with the recombinant HFn counterpart. The ABD-HFn/DOX nanoparticle showed dramatically improved stability and comparable cell uptake rate when compared with HFn/DOX counterpart. Pharmacokinetics study in Sprague-Dawley rats showed that ABD-HFn/DOX nanoparticle possessed significantly prolonged plasma half life of ∼17.2 h, exhibiting nearly 19 times longer than that of free doxorubicin and 12 times for HFn/DOX. These optimal results indicated that fusion with ABD will be a promising strategy to extend the half life for protein-based nanoparticles.
Collapse
Affiliation(s)
- Chunyue Wang
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy , Sichuan University , Chengdu , 610041 , China.,State Key Laboratory of Biochemical Engineering, Institute of Process Engineering , Chinese Academy of Sciences , Beijing 100190 , China
| | - Chun Zhang
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy , Sichuan University , Chengdu , 610041 , China.,State Key Laboratory of Biochemical Engineering, Institute of Process Engineering , Chinese Academy of Sciences , Beijing 100190 , China
| | - Zenglan Li
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering , Chinese Academy of Sciences , Beijing 100190 , China
| | - Shuang Yin
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy , Sichuan University , Chengdu , 610041 , China.,State Key Laboratory of Biochemical Engineering, Institute of Process Engineering , Chinese Academy of Sciences , Beijing 100190 , China.,School of Chemical Engineering , The University of Adelaide , Adelaide , South Australia 5005 , Australia
| | - Qi Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering , Chinese Academy of Sciences , Beijing 100190 , China
| | - Fangxia Guo
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering , Chinese Academy of Sciences , Beijing 100190 , China
| | - Yao Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering , Chinese Academy of Sciences , Beijing 100190 , China
| | - Rong Yu
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy , Sichuan University , Chengdu , 610041 , China
| | - Yongdong Liu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering , Chinese Academy of Sciences , Beijing 100190 , China
| | - Zhiguo Su
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering , Chinese Academy of Sciences , Beijing 100190 , China
| |
Collapse
|
10
|
Preparation, characterization, drug release and computational modelling studies of antibiotics loaded amorphous chitin nanoparticles. Carbohydr Polym 2017; 177:67-76. [PMID: 28962797 DOI: 10.1016/j.carbpol.2017.08.112] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 06/30/2017] [Accepted: 08/26/2017] [Indexed: 01/27/2023]
Abstract
We present a computational investigation of binding affinity of different types of drugs with chitin nanocarriers. Understanding the chitn polymer-drug interaction is important to design and optimize the chitin based drug delivery systems. The binding affinity of three different types of anti-bacterial drugs Ethionamide (ETA) Methacycline (MET) and Rifampicin (RIF) with amorphous chitin nanoparticles (AC-NPs) were studied by integrating computational and experimental techniques. The binding energies (BE) of hydrophobic ETA, hydrophilic MET and hydrophobic RIF were -7.3kcal/mol, -5.1kcal/mol and -8.1kcal/mol respectively, with respect to AC-NPs, using molecular docking studies. This theoretical result was in good correlation with the experimental studies of AC-drug loading and drug entrapment efficiencies of MET (3.5±0.1 and 25± 2%), ETA (5.6±0.02 and 45±4%) and RIF (8.9±0.20 and 53±5%) drugs respectively. Stability studies of the drug encapsulated nanoparticles showed stable values of size, zeta and polydispersity index at 6°C temperature. The correlation between computational BE and experimental drug entrapment efficiencies of RIF, ETA and MET drugs with four AC-NPs strands were 0.999 respectively, while that of the drug loading efficiencies were 0.854 respectively. Further, the molecular docking results predict the atomic level details derived from the electrostatic, hydrogen bonding and hydrophobic interactions of the drug and nanoparticle for its encapsulation and loading in the chitin-based host-guest nanosystems. The present results thus revealed the drug loading and drug delivery insights and has the potential of reducing the time and cost of processing new antibiotic drug delivery nanosystem optimization, development and discovery.
Collapse
|
11
|
Ghadari R, Kashefi A. A computational study on the usability of amino acid-functionalised nitrogen-doped graphene oxides as temperature-responsive drug delivery systems. Int J Hyperthermia 2017; 33:785-795. [DOI: 10.1080/02656736.2017.1308020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
|