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Thipe VC, Hall N, Pandurangi A, Ajayi S, Emeh P, Gauttam I, Ghamgui R, Hameedat F, Khelil S, Ly NK, Salim M, Waleed AS, Hegde P, Hegde V, Prakash D, Hegde I, Katti K, Raphael Karikachery A, Roger E, Landreau A, Katti KV. Nano-Ayurvedic Medicine Approaches Using Ginkgo biloba-Phytochemicals Functionalized Gold Nanoparticles Against Breast Cancer. Nanotechnol Sci Appl 2024; 17:189-210. [PMID: 39346127 PMCID: PMC11430862 DOI: 10.2147/nsa.s478533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 09/17/2024] [Indexed: 10/01/2024] Open
Abstract
Purpose Breast cancer is a significant global health issue, contributing to 15% of cancer-related deaths. Our laboratory has pioneered a novel approach, combining Ayurvedic principles with green nanotechnology, to develop a scientifically rigorous medical modality referred to as Nano-Ayurvedic Medicine, recently approved by the US Patents and Trademarks Office. Here in we report a new Nano-Ayurvedic medicine agent derived from gold nanoparticles encapsulated with phytochemicals from Ginkgo biloba plant (GB-AuNPs). Methods We have developed biocompatible gold nanoparticles using electron-rich phytochemicals from Ginkgo biloba as reducing agent cocktail. Ginkgo biloba phytochemical-encapsulated gold nanoparticles (GB-AuNPs) were fully characterized, and their anticancer activity, including immunomodulatory profiles, were evaluated against breast (MDAMB-231) cancer cell lines. Results Characterization revealed spherical morphology for GB-AuNPs and possessed optimum in vitro stability through high zeta potential of -34 mV for optimum in vivo stability. The core size of GB-AuNPs of 19 nm allows for penetration into tumor cells through both EPR effects as well as through the receptor-mediated endocytosis. The Antitumor efficacy of this nano-ayurvedic medicine agent revealed strong antitumor effects of GB-AuNPs towards MDAMB-231. Our investigations reveal that GB-AuNPs enhance anti-tumor cytokines (IL-12, TNF-α, IFN-γ) and reduce pro-tumor cytokines (IL-10, IL-6), promoting the conversion of protumor M2 macrophages into M1-like macrophage antitumor phenotype. Cellular studies show that GB-AuNPs offer superior anti-tumor efficacy and a better safety profile against breast tumors compared to cisplatin. Conclusion Our investigations have demonstrated that the nano-ayurvedic medicine agent, GB-AuNPs, treats cancers through an immunomodulatory mechanism facilitated by elevated levels of anti-tumor cytokines (TNF-α, IFN-γ and IL-12) with concomitant downregulation of pro-tumor cytokines expression (IL-6 and IL-10). The green nanotechnology approach for the development of nano-ayurvedic medicine agent (GB-AuNPs), as described in this paper, presents new and attractive opportunities for treating human cancers and other debilitating diseases and disorders.
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Affiliation(s)
- Velaphi C Thipe
- Department of Radiology, University of Missouri, Columbia, MO, 65212, USA
| | - Nya Hall
- Department of Radiology, University of Missouri, Columbia, MO, 65212, USA
| | - Amoolya Pandurangi
- Department of Biology, Saint Louis University, St. Louis, MO, 63103, USA
| | - Samuel Ajayi
- Pharmacy School, UNIV Angers, Angers, F-49000, France
| | - Prosper Emeh
- Pharmacy School, UNIV Angers, Angers, F-49000, France
| | - Iti Gauttam
- Pharmacy School, UNIV Angers, Angers, F-49000, France
| | - Rania Ghamgui
- Pharmacy School, UNIV Angers, Angers, F-49000, France
| | | | - Sihem Khelil
- Pharmacy School, UNIV Angers, Angers, F-49000, France
| | - Nhu Ky Ly
- Pharmacy School, UNIV Angers, Angers, F-49000, France
| | - Mahmoud Salim
- Pharmacy School, UNIV Angers, Angers, F-49000, France
| | | | - Prajna Hegde
- Kadamba Intrac Private Ltd, Bangalore, KA, 560011, India
| | - Vrushali Hegde
- Kadamba Intrac Private Ltd, Bangalore, KA, 560011, India
| | - Deepa Prakash
- Kadamba Intrac Private Ltd, Bangalore, KA, 560011, India
| | - Ilaadevi Hegde
- Kadamba Intrac Private Ltd, Bangalore, KA, 560011, India
| | - Kavita Katti
- Department of Radiology, University of Missouri, Columbia, MO, 65212, USA
| | | | - Emilie Roger
- Pharmacy School, UNIV Angers, Angers, F-49000, France
- MINT, INSERM 1066, CNRS 6021, University of Angers, Angers, France
| | - Anne Landreau
- Pharmacy School, UNIV Angers, Angers, F-49000, France
- Univ Angers, Univ Brest, IRF, SFR ICAT, Angers, F-49000France
| | - Kattesh V Katti
- Department of Radiology, University of Missouri, Columbia, MO, 65212, USA
- Departments of Physics, Medical Pharmacology and Physiology, University of Missouri, Columbia, MO, 65211, USA
- Department of Biotechnology and Food Technology, University of Johannesburg, Doornfontein, 2028, South Africa
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Alanazi AA, Saber WIA, AlDamen MA, Elattar KM. Green synthesis, characterization, and multifunctional applications of Ag@CeO 2 and Ag@CeO 2-pullulan nanocomposites for dye degradation, antioxidant, and antifungal activities. Int J Biol Macromol 2024; 280:135862. [PMID: 39322159 DOI: 10.1016/j.ijbiomac.2024.135862] [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: 08/05/2024] [Revised: 09/16/2024] [Accepted: 09/19/2024] [Indexed: 09/27/2024]
Abstract
The synthesis and characterization of novel nanocomposites with unique properties have garnered significant interest. Ag@CeO2 nanocomposite and its pullulan counterparts were prepared using a green approach involving rosemary extract. Characterization techniques, including Fourier Transform Infrared Spectroscopy, UV-visible spectroscopy, zeta potential, Dynamic Light Scattering, High-Resolution Transmission Electron Microscopy, Energy-Dispersive X-ray Spectroscopy, Scanning Electron Microscopy, and X-ray Diffraction, confirmed the formation of Ag@CeO2 nanoparticles (NPs). Pullulan led to increased particle size and improved homogeneity. Employing the Artificial Neural Networks (ANN) model to optimize methylene blue removal by Ag@CeO2 NPs and Ag@CeO2-pullulan NPs demonstrated predictive capabilities up to 97.53 % of MB removal (R2 = 0.9991). The antioxidant test demonstrated that rosemary extract exhibited the highest activity (IC50 = 0.011 mg/mL), then Ag@CeO2 NPs (IC50 = 0.039 mg/mL), and Ag@CeO2-pullulan NPs (IC50 = 0.041 mg/mL). Both Ag@CeO2 NPs and Ag@CeO2-pullulan NPs inhibited Candida albicans growth, with the latter exhibiting enhanced efficacy (MIC = 468.27, MFC = 936.53, and IC50 = 129.60 μg/mL). The study successfully synthesized novel Ag@CeO2-based nanocomposites coupled with pullulan with promising applications in dye removal, and antimicrobial therapy. The incorporation of pullulan improved the properties of the nanocomposites, enhancing their potential for practical use in environmental and biomedical applications.
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Affiliation(s)
- Abdulaziz A Alanazi
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia.
| | - WesamEldin I A Saber
- Microbial Activity Unit, Department of Microbiology, Soils, Water and Environment Research Institute, Agricultural Research Center, Giza 12619, Egypt.
| | - Murad A AlDamen
- Department of Chemistry, School of Science, The University of Jordan, Amman 11942, Jordan.
| | - Khaled M Elattar
- Unit of Genetic Engineering and Biotechnology, Faculty of Science, Mansoura University, El-Gomhoria Street, Mansoura 35516, Egypt.
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Mal S, Chakraborty S, Mahapatra M, Pakeeraiah K, Das S, Paidesetty SK, Roy P. Tackling breast cancer with gold nanoparticles: twinning synthesis and particle engineering with efficacy. NANOSCALE ADVANCES 2024; 6:2766-2812. [PMID: 38817429 PMCID: PMC11134266 DOI: 10.1039/d3na00988b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 04/10/2024] [Indexed: 06/01/2024]
Abstract
The World Health Organization identifies breast cancer as the most prevalent cancer despite predominantly affecting women. Surgery, hormonal therapy, chemotherapy, and radiation therapy are the current treatment modalities. Site-directed nanotherapeutics, engineered with multidimensional functionality are now the frontrunners in breast cancer diagnosis and treatment. Gold nanoparticles with their unique colloidal, optical, quantum, magnetic, mechanical, and electrical properties have become the most valuable weapon in this arsenal. Their advantages include facile modulation of shape and size, a high degree of reproducibility and stability, biocompatibility, and ease of particle engineering to induce multifunctionality. Additionally, the surface plasmon oscillation and high atomic number of gold provide distinct advantages for tailor-made diagnosis, therapy or theranostic applications in breast cancer such as photothermal therapy, radiotherapy, molecular labeling, imaging, and sensing. Although pre-clinical and clinical data are promising for nano-dimensional gold, their clinical translation is hampered by toxicity signs in major organs like the liver, kidneys and spleen. This has instigated global scientific brainstorming to explore feasible particle synthesis and engineering techniques to simultaneously improve the efficacy and versatility and widen the safety window of gold nanoparticles. The present work marks the first study on gold nanoparticle design and maneuvering techniques, elucidating their impact on the pharmacodynamics character and providing a clear-cut scientific roadmap for their fast-track entry into clinical practice.
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Affiliation(s)
- Suvadeep Mal
- Medicinal Chemistry Research Laboratory, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University) Campus-2, Ghatikia, Kalinga Nagar Bhubaneswar Odisha 751003 India
| | | | - Monalisa Mahapatra
- Medicinal Chemistry Research Laboratory, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University) Campus-2, Ghatikia, Kalinga Nagar Bhubaneswar Odisha 751003 India
| | - Kakarla Pakeeraiah
- Medicinal Chemistry Research Laboratory, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University) Campus-2, Ghatikia, Kalinga Nagar Bhubaneswar Odisha 751003 India
| | - Suvadra Das
- Basic Science and Humanities Department, University of Engineering and Management Action Area III, B/5, Newtown Kolkata West Bengal 700160 India
| | - Sudhir Kumar Paidesetty
- Medicinal Chemistry Research Laboratory, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University) Campus-2, Ghatikia, Kalinga Nagar Bhubaneswar Odisha 751003 India
| | - Partha Roy
- GITAM School of Pharmacy, GITAM (Deemed to be University) Vishakhapatnam 530045 India
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Eltahir AOE, Lategan KL, David OM, Pool EJ, Luckay RC, Hussein AA. Green Synthesis of Gold Nanoparticles Using Liquiritin and Other Phenolics from Glycyrrhiza glabra and Their Anti-Inflammatory Activity. J Funct Biomater 2024; 15:95. [PMID: 38667552 PMCID: PMC11051159 DOI: 10.3390/jfb15040095] [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: 02/28/2024] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/28/2024] Open
Abstract
Phenolic compounds are the main phytochemical constituents of many higher plants. They play an important role in synthesizing metal nanoparticles using green technology due to their ability to reduce metal salts and stabilize them through physical interaction/conjugation to the metal surface. Six pure phenolic compounds were isolated from licorice (Glycyrrhiza glabra) and employed in synthesizing gold nanoparticles (AuNPs). The isolated compounds were identified as liquiritin (1), isoliquiritin (2), neoisoliquiritin (3), isoliquiritin apioside (4), liquiritin apioside (5), and glabridin (6). The synthesized AuNPs were characterized using UV, zeta sizer, HRTEM, and IR and tested for their stability in different biological media. The phenolic isolates and their corresponding synthesized NP conjugates were tested for their potential in vitro cytotoxicity. The anti-inflammatory effects were investigated in both normal and inflammation-induced settings, where inflammatory biomarkers were stimulated using lipopolysaccharides (LPSs) in the RAW 264.7 macrophage cell line. LPS, functioning as a mitogen, promotes cell growth by reducing apoptosis, potentially contributing to observed outcomes. Results indicated that all six pure phenolic isolates inhibited cell proliferation. The AuNP conjugates of all the phenolic isolates, except liquiritin apioside (5), inhibited cell viability. LPS initiates inflammatory markers by binding to cell receptors and setting off a cascade of events leading to inflammation. All the pure phenolic isolates, except isoliquiritin, neoisoliquiritin, and isoliquiritin apioside inhibited the inflammatory activity of RAW cells in vitro.
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Affiliation(s)
- Ali O. E. Eltahir
- Chemistry Department, Cape Peninsula University of Technology, Bellville 7535, South Africa;
| | - Kim L. Lategan
- Department of Medical Bioscience, University of Western the Cape, Bellville 7535, South Africa; (K.L.L.); (O.M.D.); (E.J.P.)
| | - Oladipupo M. David
- Department of Medical Bioscience, University of Western the Cape, Bellville 7535, South Africa; (K.L.L.); (O.M.D.); (E.J.P.)
| | - Edmund J. Pool
- Department of Medical Bioscience, University of Western the Cape, Bellville 7535, South Africa; (K.L.L.); (O.M.D.); (E.J.P.)
| | - Robert C. Luckay
- Department of Chemistry and Polymer Science, Stellenbosch University, Matieland, Stellenbosch 7602, South Africa;
| | - Ahmed A. Hussein
- Chemistry Department, Cape Peninsula University of Technology, Bellville 7535, South Africa;
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Kalidhasan S, Lim YS, Chu EA, Choi J, Lee HY. Phospholipid-derived Au and Au-Cu suspensions as efficient peroxide and borohydride activators for organic molecules degradation: Performance and sustainable catalytic mechanism. CHEMOSPHERE 2024; 346:140567. [PMID: 38303386 DOI: 10.1016/j.chemosphere.2023.140567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 02/03/2024]
Abstract
In the contemporary context, executing light-oxidant- and reductant-driven reactions in solution-phase processes remains challenging mainly due to the lack of general tools for understanding the reactive potential of nano-functional catalysts. In this study, dual-active nanometals (Au and Cu doped with Au) capped within soy lecithin (SL), were developed and characterized, combining flexibility with the catalytic advantages and stability of liquid-phase catalysts. The as-synthesized SL-Au (LG) and SL-Au-Cu (LGC) catalysts were efficiently degraded rhodamine B (RB, 100%) in the presence of H2O2 under light irradiation (350 W lamp) at wide pH range (3-7) within 4.5 h and p-nitrophenol (p-NP, >90% degradation at pH 7) in the presence of NaBH4 under normal stirring with slower kinetics (∼72 h). RB degradation followed a pseudo-second-order kinetic model with a higher r2, and p-NP degradation followed first-order kinetics. The active sites embedded within the structural order of SL arrangement displayed elevated catalytic activity, which was further enhanced by the movement of intermediate/excited states and charged elements within the metal suspended in the phospholipid (LG and LGC). The self-regulating tunability of the physicochemical characteristics of these catalysts provides a convenient and generalizable platform for the transformation of modern dual-active (redox) catalysts into dynamic homogeneous equivalents.
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Affiliation(s)
- Sethu Kalidhasan
- Department of Chemical Engineering, Kumoh National Institute of Technology, 61, Daehak-ro, Gumi-si, Gyeongsangbuk-do, 39177, Republic of Korea.
| | - Yeon-Su Lim
- Department of Chemical Engineering, Kumoh National Institute of Technology, 61, Daehak-ro, Gumi-si, Gyeongsangbuk-do, 39177, Republic of Korea
| | - Eun-Ae Chu
- Department of Chemical Engineering, Kumoh National Institute of Technology, 61, Daehak-ro, Gumi-si, Gyeongsangbuk-do, 39177, Republic of Korea
| | - Jonghoon Choi
- School of Integrative Engineering, Chung-Ang University, Seoul, 06974, Republic of Korea; Nanomedicine Corp., Seoul, 06974, Republic of Korea.
| | - Hee-Young Lee
- Department of Chemical Engineering, Kumoh National Institute of Technology, 61, Daehak-ro, Gumi-si, Gyeongsangbuk-do, 39177, Republic of Korea.
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Warerkar OD, Mudliar NH, Momin MM, Singh PK. Targeting Amyloids with Coated Nanoparticles: A Review on Potential Combinations of Nanoparticles and Bio-Compatible Coatings. Crit Rev Ther Drug Carrier Syst 2024; 41:85-119. [PMID: 37938191 DOI: 10.1615/critrevtherdrugcarriersyst.2023046209] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
Amyloidosis is the major cause of many neurodegenerative diseases, such as, Alzheimer's and Parkinson's where the misfolding and deposition of a previously functional protein make it inept for carrying out its function. The genesis of amyloid fibril formation and the strategies to inhibit it have been studied extensively, although some parts of this puzzle still remain unfathomable to date. Many classes of molecules have been explored as potential drugs in vitro, but their inability to work in vivo by crossing the blood-brain-barrier has made them an inadequate treatment option. In this regard, nanoparticles (NPs) have turned out to be an exciting alternative because they could overcome many drawbacks of previously studied molecules and provide advantages, such as, greater bioavailability of molecules and target-specific delivery of drugs. In this paper, we present an overview on several coated NPs which have shown promising efficiency in inhibiting fibril formation. A hundred and thirty papers published in the past two decades have been comprehensively reviewed, which majorly encompass NPs comprising different materials like gold, silver, iron-oxide, poly(lactic-co-glycolic acid), polymeric NP, etc., which are coated with various molecules of predominantly natural origin, such as different types of amino acids, peptides, curcumin, drugs, catechin, etc. We hope that this review will shed light on the advancement of symbiotic amalgamation of NPs with molecules from natural sources and will inspire further research on the tremendous therapeutic potential of these combinations for many amyloid-related diseases.
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Affiliation(s)
- Oshin D Warerkar
- SVKM's Shri C.B. Patel Research Centre, Vile Parle, Mumbai, Maharashtra 400056, India
| | - Niyati H Mudliar
- SVKM's Shri C.B. Patel Research Centre, Vile Parle, Mumbai, Maharashtra 400056, India
| | - Munira M Momin
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, Maharashtra, India; SVKM's Shri C.B. Patel Research Centre for Chemistry and Biological Sciences, Vile Parle (West), Mumbai, Maharashtra, 400056, India
| | - Prabhat K Singh
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
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Wang G, Wang J, Momeni MR. Epigallocatechin-3-gallate and its nanoformulation in cervical cancer therapy: the role of genes, MicroRNA and DNA methylation patterns. Cancer Cell Int 2023; 23:335. [PMID: 38129839 PMCID: PMC10740301 DOI: 10.1186/s12935-023-03161-9] [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: 09/19/2023] [Accepted: 11/22/2023] [Indexed: 12/23/2023] Open
Abstract
Green tea, a popular and healthy nonalcoholic drink consumed globally, is abundant in natural polyphenols. One of these polyphenols is epigallocatechin-3-gallate (EGCG), which offers a range of health benefits, such as metabolic regulation, antioxidant properties, anti-inflammatory effects, and potential anticancer properties. Clinical research has shown that EGCG can inhibit cancers in the male and female reproductive systems, including ovarian, cervical, endometrial, breast, testicular, and prostate cancers. Further research on cervical cancer has revealed the crucial role of epigenetic mechanisms in the initiation and progression of this type of cancer. These include changes to the DNA, histones, and non-coding RNAs, such as microRNAs. These changes are reversible and can occur even before genetic mutations, making them a potential target for intervention therapies. One promising approach to cancer prevention and treatment is the use of specific agents (known as epi-drugs) that target the cancer epigenome or epigenetic dysregulation. Phytochemicals, a group of diverse molecules, have shown potential in modulating cancer processes through their interaction with the epigenetic machinery. Among these, green tea and its main polyphenol EGCG have been extensively studied. This review highlights the therapeutic effects of EGCG and its nanoformulations on cervical cancer. It also discusses the epigenetic events involved in cervical cancer, such as DNA methylation and microRNA dysregulation, which may be affected by EGCG.
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Affiliation(s)
- Guichun Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Jinyi Wang
- School of Clinical Medicine, Tsinghua University, Beijing, 100084, China.
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Thipe VC, Jatar A, Raphael Karikachery A, Katti KK, Katti KV. Green Nanotechnology of Yucca filamentosa- Phytochemicals-Functionalized Gold Nanoparticles-Antitumor Efficacy Against Prostate and Breast Cancers. Nanotechnol Sci Appl 2023; 16:19-40. [PMID: 38106675 PMCID: PMC10723618 DOI: 10.2147/nsa.s437812] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 11/29/2023] [Indexed: 12/19/2023] Open
Abstract
Purpose We report an innovative green nanotechnology utilizing an electron-rich cocktail of phytochemicals from Yucca filamentosa L. to synthesize biocompatible gold nanoparticles without the use of any external chemical reducing agents and evaluate their anti-cancer activity. Methods Yucca filamentosa L. extract, containing a cocktail of phytochemicals, was prepared, and used to transform gold salt into Y. filamentosa phytochemicals encapsulated gold nanoparticles (YF-AuNPs). Additionally, gum arabic stabilized YF-AuNPs (GAYF-AuNPs) were also prepared to enhance the in vitro/in vivo stability. Anticancer activity was evaluated against prostate (PC-3) and breast (MDAMB-231) cancer cell lines. Targeting abilities of gold nanoparticles were tested using pro-tumor macrophage cell lines. Results Comprehensive characterization of new nanomedicine agents YF-AuNPs and GAYF-AuNPs revealed spherical, and monodisperse AuNPs with moderate zeta potentials (-19 and -20 mV, respectively), indicating in vitro/in vivo stability. The core size of YF-AuNPs (14 ± 5 nm) and GAYF-AuNPs (10 ± 5 nm) is suitable for optimal penetration into tumor cells through both enhanced permeability and retention (EPR) effect as well as through the receptor mediated endocytosis. Notably, YF-AuNPs exhibited potent anticancer activity against prostate (PC-3) and breast tumors (MDAMB-231) by inducing early and late apoptotic stages. Moreover, YF-AuNPs resulted in elevated levels of anti-tumor cytokines (TNF-α and IL-12) and reduced levels of pro-tumor cytokines (IL-6 and IL-10), provide compelling evidence on the immunomodulatory property of YF-AuNPs. Conclusion Overall, these Y. filamentosa phytochemicals functionalized nano-Ayurvedic medicine agents demonstrated selective toxicity to cancer cells while sparing normal cells. Most notably, to our knowledge, this is the first study that shows YF-AuNP's targeting efficacy toward pro-tumor macrophage cell lines, suggesting an immunomodulatory pathway for cancer treatment. This work introduces a novel avenue for herbal and nano-Ayurvedic approaches to human cancer treatment, mediated through selective efficacy and immunomodulatory potential.
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Affiliation(s)
- Velaphi C Thipe
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65212, USA
- Department of Radiology, University of Missouri, Columbia, MO, 65212, USA
| | - Ananya Jatar
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65212, USA
| | - Alice Raphael Karikachery
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65212, USA
- Department of Radiology, University of Missouri, Columbia, MO, 65212, USA
| | - Kavita K Katti
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65212, USA
- Department of Radiology, University of Missouri, Columbia, MO, 65212, USA
| | - Kattesh V Katti
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65212, USA
- Department of Radiology, University of Missouri, Columbia, MO, 65212, USA
- Department of Physics, University of Missouri, Columbia, MO, 65211, USA
- Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, MO, 65212, USA
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Benatti Justino A, Prado Bittar V, Luiza Borges A, Sol Peña Carrillo M, Sommerfeld S, Aparecida Cunha Araújo I, Maria da Silva N, Beatriz Fonseca B, Christine Almeida A, Salmen Espindola F. Curcumin-functionalized gold nanoparticles attenuate AAPH-induced acute cardiotoxicity via reduction of lipid peroxidation and modulation of antioxidant parameters in a chicken embryo model. Int J Pharm 2023; 646:123486. [PMID: 37802259 DOI: 10.1016/j.ijpharm.2023.123486] [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: 08/03/2023] [Revised: 09/16/2023] [Accepted: 10/03/2023] [Indexed: 10/08/2023]
Abstract
Gold nanoparticles (AuNPs) have gained considerable attention due to their biocompatibility, customizable optical properties and ease of synthesis. In this study, an environmentally friendly method was used for synthesize curcumin-functionalized AuNPs (AuNP-C). AuNP-C exhibited a spherical shape, uniformity, and an average diameter of 6 nm. The in vitro antioxidant activity was analyzed, and cytotoxicity properties of AuNP-C were assessed in fibroblast and macrophage cells. Additionally, the effects of AuNP-C on oxidative stress in chicken embryo liver and hearts were investigated. AuNP-C demonstrated potent free radical scavenging properties without exhibiting cytotoxicity and hepatotoxicity effects. Administration of 300 µg/mL of AuNP-C in chicken embryos, subjected to oxidative damage induced by 2,2'-azobis(2-amidinopropane) dihydrochloride, significantly reduced lipid peroxidation and reactive oxygen species levels in the cardiac tissue. Moreover, the activities of cardiac superoxide dismutase, catalase, and glutathione reductase were restored, accompanied by an increase in overall antioxidant capacity. Furthermore, at higher concentrations, AuNP-C normalized the reduced glutathione content. AuNP-C preserved the normal structure of blood vessels; however, it resulted in an increase in protein carbonylation. This study provides initial evidence for the modulation of antioxidant defense mechanisms by green-synthesized AuNPs and underscores the importance of investigating the in vivo safety of phytoantioxidant-functionalized nanoparticles.
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Affiliation(s)
- Allisson Benatti Justino
- Biochemistry and Molecular Biology Laboratory, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Brazil; Laboratory of New Nanostructured and Functional Materials, Physics Institute, Federal University of Alagoas, Maceio, Brazil; Postgraduate Program of the Northeast Biotechnology Network (RENORBIO), Federal University of Alagoas, Maceio, Alagoas, Brazil
| | - Vinicius Prado Bittar
- Biochemistry and Molecular Biology Laboratory, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Brazil
| | - Ana Luiza Borges
- Biochemistry and Molecular Biology Laboratory, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Brazil
| | - María Sol Peña Carrillo
- Biochemistry and Molecular Biology Laboratory, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Brazil
| | - Simone Sommerfeld
- School of Veterinary Medicine, Federal University of Uberlandia, Uberlandia, Brazil
| | | | - Neide Maria da Silva
- Institute of Biomedical Sciences, Federal University of Uberlandia, Uberlandia, Brazil
| | | | - Anielle Christine Almeida
- Laboratory of New Nanostructured and Functional Materials, Physics Institute, Federal University of Alagoas, Maceio, Brazil; Postgraduate Program of the Northeast Biotechnology Network (RENORBIO), Federal University of Alagoas, Maceio, Alagoas, Brazil
| | - Foued Salmen Espindola
- Biochemistry and Molecular Biology Laboratory, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Brazil.
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El-Naggar NEA, Rabei NH, Elmansy MF, Elmessiry OT, El-Sherbeny MK, El-Saidy ME, Sarhan MT, Helal MG. Artificial neural network approach for prediction of AuNPs biosynthesis by Streptomyces flavolimosus, characterization, antitumor potency in-vitro and in-vivo against Ehrlich ascites carcinoma. Sci Rep 2023; 13:12686. [PMID: 37542154 PMCID: PMC10403537 DOI: 10.1038/s41598-023-39177-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 07/20/2023] [Indexed: 08/06/2023] Open
Abstract
Gold nanoparticles (AuNPs) have emerged as promising and versatile nanoparticles for cancer therapy and are widely used in drug and gene delivery, biomedical imaging, diagnosis, and biosensors. The current study describes a biological-based strategy for AuNPs biosynthesis using the cell-free supernatant of Streptomyces flavolimosus. The biosynthesized AuNPs have an absorption peak at 530-535 nm. The TEM images indicate that AuNPs were spherical and ranged in size from 4 to 20 nm. The surface capping molecules of AuNPs are negatively charged, having a Zeta potential of - 10.9 mV. FTIR analysis revealed that the AuNPs surface composition contains a variety of functional groups as -OH, C-H, N-, C=O, NH3+, amine hydrochloride, amide group of proteins, C-C and C-N. The bioprocess variables affecting AuNPs biosynthesis were optimized by using the central composite design (CCD) in order to maximize the AuNPs biosynthesis. The maximum yield of AuNPs (866.29 µg AuNPs/mL) was obtained using temperature (35 °C), incubation period (4 days), HAuCl4 concentration (1000 µg/mL) and initial pH level 6. Comparison was made between the fitness of CCD versus Artificial neural network (ANN) approach based on their prediction and the corresponding experimental results. AuNPs biosynthesis values predicted by ANN exhibit a more reasonable agreement with the experimental result. The anticancer activities of AuNPs were assessed under both in vitro and in vivo conditions. The results revealed a significant inhibitory effect on the proliferation of the MCF-7 and Hela carcinoma cell lines treated with AuNPs with IC50 value of 13.4 ± 0.44 μg/mL and 13.8 ± 0.45 μg/mL for MCF-7 and Hela cells; respectively. Further, AuNPs showed potential inhibitory effect against tumor growth in tumor-bearing mice models. AuNPs significantly reduced the tumor volume, tumor weight, and decreased number of viable tumor cells in EAC bearing mice.
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Affiliation(s)
- Noura El-Ahmady El-Naggar
- Department of Bioprocess Development, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, 21934, Alexandria, Egypt.
| | - Nashwa H Rabei
- Department of Bioprocess Development, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, 21934, Alexandria, Egypt
| | - Mohamed F Elmansy
- Biotechnology and Its Application Program, Department of Botany, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt
| | - Omar T Elmessiry
- Biotechnology and Its Application Program, Department of Botany, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt
| | - Mostafa K El-Sherbeny
- Biotechnology and Its Application Program, Department of Botany, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt
| | - Mohanad E El-Saidy
- Biotechnology and Its Application Program, Department of Botany, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt
| | - Mohamed T Sarhan
- Biotechnology and Its Application Program, Department of Botany, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt
| | - Manar G Helal
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
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11
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Aldakheel FM, Mohsen D, El Sayed MM, Alawam KA, Binshaya AS, Alduraywish SA. Silver Nanoparticles Loaded on Chitosan-g-PVA Hydrogel for the Wound-Healing Applications. Molecules 2023; 28:molecules28073241. [PMID: 37050003 PMCID: PMC10096253 DOI: 10.3390/molecules28073241] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/31/2023] [Accepted: 04/03/2023] [Indexed: 04/14/2023] Open
Abstract
Silver nanoparticle composites have abundant biomedical applications due to their unique antibacterial properties. In the current work, green tea leaf extract was used as a natural reducing agent to synthesize AgNPs (AgNPs) using microwave irradiation technology. Furthermore, microwave irradiation has been used for the preparation of AgNPs/chitosan (Ch) grafted polyvinyl alcohol (PVA) hydrogel samples. To approve the accomplishment of AgNPs hydrogel polymer, UV-spectrum, TEM, and FT-IR spectrum analyses and the release of silver ions, actions were taken. The wound-healing ability of the prepared hydrogel samples was measured via both the in vitro (fibroblast cells) and the in vivo using rat models. It was found that chitosan-grafted polyvinyl alcohol, including AgNPs, exhibited excellent antibacterial activity against E. coli and S. aureus using the agar diffusion method. It can be said that microwave irradiation was successful in creating a hydrogel that contained silver nanoparticles. A wound that was still open was successfully treated with these composites.
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Affiliation(s)
- Fahad M Aldakheel
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11433, Saudi Arabia
| | - Dalia Mohsen
- Clinical Laboratory Sciences Program, Inaya Medical College, Riyadh 12211, Saudi Arabia
- National Research Centre, Giza 12622, Egypt
| | - Marwa M El Sayed
- Chemical Engineering and Pilot Plant Department, National Research Centre, Giza 12622, Egypt
| | - Khaled Ali Alawam
- Respiratory Therapy Program, Inaya Medical Colleges, Riyadh 12211, Saudi Arabia
| | - AbdulKarim S Binshaya
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sultan University, Al Kharj 16242, Saudi Arabia
| | - Shatha A Alduraywish
- Department of Family and Community Medicine, College of Medicine, King Saud University, Riyadh 4545, Saudi Arabia
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12
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Pearce K, Thipe VC, Henkel RR, Katti KV. Green Nanotechnology as an innovative drug delivery approach for Typha capensis and Naringenin—New class of phytochemical embedded biocompatible gold nanoparticles in prostate cancer therapy. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2022.104100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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13
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Chitosan/xanthan gum-based (Hydroxypropyl methylcellulose-co-2-Acrylamido-2-methylpropane sulfonic acid) interpenetrating hydrogels for controlled release of amorphous solid dispersion of bioactive constituents of Pueraria lobatae. Int J Biol Macromol 2022; 224:380-395. [DOI: 10.1016/j.ijbiomac.2022.10.131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 10/01/2022] [Accepted: 10/14/2022] [Indexed: 11/05/2022]
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14
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Green synthesis of Gold and Silver Nanoparticles: Updates on Research, Patents, and Future Prospects. OPENNANO 2022. [DOI: 10.1016/j.onano.2022.100076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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15
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Catechol Mediated Synthesis of Monometallic and Bimetallic Nanoparticles and Catalytic Efficiency of Monometallic Nanoparticles. Catal Letters 2022. [DOI: 10.1007/s10562-022-04095-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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Biogenic Gold Nanoparticles: Current Applications and Future Prospects. J CLUST SCI 2022. [DOI: 10.1007/s10876-022-02304-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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17
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Involvement of Phytochemical-Encapsulated Nanoparticles' Interaction with Cellular Signalling in the Amelioration of Benign and Malignant Brain Tumours. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27113561. [PMID: 35684498 PMCID: PMC9182026 DOI: 10.3390/molecules27113561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/24/2022] [Accepted: 05/24/2022] [Indexed: 12/05/2022]
Abstract
Brain tumours have unresolved challenges that include delay prognosis and lower patient survival rate. The increased understanding of the molecular pathways underlying cancer progression has aided in developing various anticancer medications. Brain cancer is the most malignant and invasive type of cancer, with several subtypes. According to the WHO, they are classified as ependymal tumours, chordomas, gangliocytomas, medulloblastomas, oligodendroglial tumours, diffuse astrocytomas, and other astrocytic tumours on the basis of their heterogeneity and molecular mechanisms. The present study is based on the most recent research trends, emphasising glioblastoma cells classified as astrocytoma. Brain cancer treatment is hindered by the failure of drugs to cross the blood–brain barrier (BBB), which is highly impregnableto foreign molecule entry. Moreover, currently available medications frequently fail to cross the BBB, whereas chemotherapy and radiotherapy are too expensive to be afforded by an average incomeperson and have many associated side effects. When compared to our current understanding of molecularly targeted chemotherapeutic agents, it appears that investigating the efficacy of specific phytochemicals in cancer treatment may be beneficial. Plants and their derivatives are game changers because they are efficacious, affordable, environmentally friendly, faster, and less toxic for the treatment of benign and malignant tumours. Over the past few years, nanotechnology has made a steady progress in diagnosing and treating cancers, particularly brain tumours. This article discusses the effects of phytochemicals encapsulated in nanoparticles on molecular targets in brain tumours, along with their limitations and potential challenges.
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18
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Kumari S, Goyal A, Sönmez Gürer E, Algın Yapar E, Garg M, Sood M, Sindhu RK. Bioactive Loaded Novel Nano-Formulations for Targeted Drug Delivery and Their Therapeutic Potential. Pharmaceutics 2022; 14:pharmaceutics14051091. [PMID: 35631677 PMCID: PMC9146286 DOI: 10.3390/pharmaceutics14051091] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/14/2022] [Accepted: 05/16/2022] [Indexed: 12/13/2022] Open
Abstract
Plant-based medicines have received a lot of attention in recent years. Such medicines have been employed to treat medical conditions since ancient times, and in those times only the observed symptoms were used to determine dose accuracy, dose efficacy, and therapy. Rather than novel formulations, the current research work on plant-based medicines has mostly concentrated on medicinal active phytoconstituents. In the past recent decades, however, researchers have made significant progress in developing "new drug delivery systems" (NDDS) to enhance therapeutic efficacy and reduce unwanted effects of bioactive compounds. Nanocapsules, polymer micelles, liposomes, nanogels, phytosomes, nano-emulsions, transferosomes, microspheres, ethosomes, injectable hydrogels, polymeric nanoparticles, dendrimers, and other innovative therapeutic formulations have all been created using bioactive compounds and plant extracts. The novel formulations can improve solubility, therapeutic efficacy, bioavailability, stability, tissue distribution, protection from physical and chemical damage, and prolonged and targeted administration, to name a few. The current study summarizes existing research and the development of new formulations, with a focus on herbal bioactive components.
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Affiliation(s)
- Sapna Kumari
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India; (S.K.); (A.G.); (M.G.)
| | - Anju Goyal
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India; (S.K.); (A.G.); (M.G.)
| | - Eda Sönmez Gürer
- Faculty of Pharmacy, Sivas Cumhuriyet University, 58140 Sivas, Turkey; (E.S.G.); (E.A.Y.)
| | - Evren Algın Yapar
- Faculty of Pharmacy, Sivas Cumhuriyet University, 58140 Sivas, Turkey; (E.S.G.); (E.A.Y.)
| | - Madhukar Garg
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India; (S.K.); (A.G.); (M.G.)
| | - Meenakshi Sood
- Chitkara School of Health Sciences, Chitkara University, Rajpura 140401, Punjab, India;
| | - Rakesh K. Sindhu
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India; (S.K.); (A.G.); (M.G.)
- Correspondence:
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19
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Phytochemical-conjugated bio-safe gold nanoparticles in breast cancer: a comprehensive update. Breast Cancer 2022; 29:761-777. [PMID: 35578088 DOI: 10.1007/s12282-022-01368-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 04/26/2022] [Indexed: 01/02/2023]
Abstract
Breast cancer is the most common malignancy in women and is rated among one of the three common malignancies worldwide in combination with colon and lung cancer. The escalating mortality rate of breast cancer patients has captivated the attention of the present-day researchers to come up with new management options. According to WHO, early detection, timely diagnosis and comprehensive breast cancer management are the three cornerstones for controlling breast cancer incidences per year. Multidisciplinary theragnostic approaches for simultaneous diagnosis and treatment of breast cancer have further enriched the therapeutic arsenal. Imaging and biopsy play a significant role in the diagnosis of breast cancer. The treatment plan mostly initiates with general surgery or radiation therapy followed up with adjuvant and/or neoadjuvant therapy. Conventional chemotherapeutics in breast cancer suffer from toxicity and lack of site specificity. Bio-safe gold nanoparticles hold sufficient promise for bridging this gap. Diverse phytochemicals-based synthesis routes to arrive at nano-dimensional gold with spotlight on reaction mechanisms, reaction variables, specific advantages, toxicity and their influence in breast cancer conditions are the focus of this work. This review marks the first attempt to explore the potential of phytochemical-derived nano-gold in breast cancer treatment.
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20
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Ul Haq T, Ullah R. Green thesis and characterization of gold nanoparticles (Au-NPs) using stem extract of Euphorbia neriifolia L. and evaluation of their antibacterial and antifungal potential. INTERNATIONAL JOURNAL OF NANOSCIENCE 2022. [DOI: 10.1142/s0219581x22500089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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21
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Rishi Pandey, Mehta N, Ghorui A, Fowsiya J, Kumar MR, Deshmukh P, Aditya MN, Madhumitha G. Bio-Assisted Preparation of Nano Zinc Oxide and Its Behavior Towards Textile Azo Pollutants. HIGH ENERGY CHEMISTRY 2022. [DOI: 10.1134/s0018143922020126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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22
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Green nanotechnology—An innovative pathway towards biocompatible and medically relevant gold nanoparticles. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103256] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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23
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Burketová L, Martinec J, Siegel J, Macůrková A, Maryška L, Valentová O. Noble metal nanoparticles in agriculture: impacts on plants, associated microorganisms, and biotechnological practices. Biotechnol Adv 2022; 58:107929. [DOI: 10.1016/j.biotechadv.2022.107929] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 02/14/2022] [Accepted: 02/15/2022] [Indexed: 02/07/2023]
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24
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Widatalla HA, Yassin LF, Alrasheid AA, Rahman Ahmed SA, Widdatallah MO, Eltilib SH, Mohamed AA. Green synthesis of silver nanoparticles using green tea leaf extract, characterization and evaluation of antimicrobial activity. NANOSCALE ADVANCES 2022; 4:911-915. [PMID: 36131825 PMCID: PMC9419201 DOI: 10.1039/d1na00509j] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 12/17/2021] [Indexed: 05/23/2023]
Abstract
The use of nanoparticles in medicine, nanomedicine, is very important to diagnose and treat diseases; among the various metallic nanoparticles, silver nanoparticles (AgNPs) are very popular due to their physical, chemical, and biological properties, encompassing a range of activities such as antiviral, antifungal, anti-inflammatory, and anticancer activities. In this study, the synthesis of AgNPs was conducted by the use of a nontoxic, ecofriendly method. Green tea (GT) leaf extract was used as a reducing agent to convert silver ions into free AgNPs. The UV-vis spectrum showed a peak at 410 nm, confirming the presence of AgNPs. A Fourier-transform infrared (FTIR) analysis of the GT extract and GT AgNPs display spectra that is identical to those of polyphenols, polysaccharides, and proteins. All the vibrational peaks in the GT extract spectrum were shifted in the AgNP spectrum, becoming narrower after the encapsulation of nanoparticles. The scanning electron microscopy (SEM) images confirm the presence of AgNPs with different sizes, ranging from 15 to 33 nm. Furthermore, the antibacterial activity of the synthesized AgNPs in three different concentrations (10, 20, and 50 mg ml-1) showed appreciable inhibition of bacterial growth against Staphylococcus aureus and Klebsiella sp. From the above findings, we can recommend the use of AgNPs from GT leaf extracts as an antimicrobial agent to treat chronic infections.
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Affiliation(s)
- Hiba Abbas Widatalla
- Department of Pharmacology, Faculty of Pharmacy, University of Medical Sciences and Technology Khartoum Sudan
| | - Layla Fathi Yassin
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Medical Sciences and Technology Khartoum Sudan
| | - Ayat Ahmed Alrasheid
- Department of Pharmacognosy, Faculty of Pharmacy, University of Medical Sciences and Technology Khartoum Sudan
| | - Shimaa Abdel Rahman Ahmed
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Medical Sciences and Technology Khartoum Sudan
| | - Marvit Osman Widdatallah
- Department of Pharmacology, Faculty of Pharmacy, University of Medical Sciences and Technology Khartoum Sudan
| | - Sahar Hussein Eltilib
- Department of Pharmacology, Faculty of Pharmacy, University of Medical Sciences and Technology Khartoum Sudan
| | - Alaa Abdulmoneim Mohamed
- Department of Clinical Pharmacy, Faculty of Pharmacy, University of Medical Sciences and Technology Khartoum Sudan
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25
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Sibuyi NRS, Moabelo KL, Fadaka AO, Meyer S, Onani MO, Madiehe AM, Meyer M. Multifunctional Gold Nanoparticles for Improved Diagnostic and Therapeutic Applications: A Review. NANOSCALE RESEARCH LETTERS 2021; 16:174. [PMID: 34866165 PMCID: PMC8645298 DOI: 10.1186/s11671-021-03632-w] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 11/21/2021] [Indexed: 05/07/2023]
Abstract
The medical properties of metals have been explored for centuries in traditional medicine for the treatment of infections and diseases and still practiced to date. Platinum-based drugs are the first class of metal-based drugs to be clinically used as anticancer agents following the approval of cisplatin by the United States Food and Drug Administration (FDA) over 40 years ago. Since then, more metals with health benefits have been approved for clinical trials. Interestingly, when these metals are reduced to metallic nanoparticles, they displayed unique and novel properties that were superior to their bulk counterparts. Gold nanoparticles (AuNPs) are among the FDA-approved metallic nanoparticles and have shown great promise in a variety of roles in medicine. They were used as drug delivery, photothermal (PT), contrast, therapeutic, radiosensitizing, and gene transfection agents. Their biomedical applications are reviewed herein, covering their potential use in disease diagnosis and therapy. Some of the AuNP-based systems that are approved for clinical trials are also discussed, as well as the potential health threats of AuNPs and some strategies that can be used to improve their biocompatibility. The reviewed studies offer proof of principle that AuNP-based systems could potentially be used alone or in combination with the conventional systems to improve their efficacy.
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Affiliation(s)
- Nicole Remaliah Samantha Sibuyi
- Department of Science and Innovation (DSI)/Mintek Nanotechnology Innovation Centre (NIC) Biolabels Node, Department of Biotechnology, University of the Western Cape, Private Bag X17, Bellville, 7535, South Africa
| | - Koena Leah Moabelo
- Department of Science and Innovation (DSI)/Mintek Nanotechnology Innovation Centre (NIC) Biolabels Node, Department of Biotechnology, University of the Western Cape, Private Bag X17, Bellville, 7535, South Africa
- Nanobiotechnology Research Group, Department of Biotechnology, University of the Western Cape, Bellville, South Africa
| | - Adewale Oluwaseun Fadaka
- Department of Science and Innovation (DSI)/Mintek Nanotechnology Innovation Centre (NIC) Biolabels Node, Department of Biotechnology, University of the Western Cape, Private Bag X17, Bellville, 7535, South Africa
| | - Samantha Meyer
- Department of Biomedical Sciences, Faculty of Health and Wellness Sciences, Cape Peninsula University of Technology, Bellville, South Africa
| | - Martin Opiyo Onani
- Organometallics and Nanomaterials, Department of Chemical Sciences, University of the Western Cape, Bellville, South Africa
| | - Abram Madimabe Madiehe
- Department of Science and Innovation (DSI)/Mintek Nanotechnology Innovation Centre (NIC) Biolabels Node, Department of Biotechnology, University of the Western Cape, Private Bag X17, Bellville, 7535, South Africa.
- Nanobiotechnology Research Group, Department of Biotechnology, University of the Western Cape, Bellville, South Africa.
| | - Mervin Meyer
- Department of Science and Innovation (DSI)/Mintek Nanotechnology Innovation Centre (NIC) Biolabels Node, Department of Biotechnology, University of the Western Cape, Private Bag X17, Bellville, 7535, South Africa.
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26
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Akinfenwa AO, Abdul NS, Docrat FT, Marnewick JL, Luckay RC, Hussein AA. Cytotoxic Effects of Phytomediated Silver and Gold Nanoparticles Synthesised from Rooibos (Aspalathus linearis), and Aspalathin. PLANTS (BASEL, SWITZERLAND) 2021; 10:plants10112460. [PMID: 34834822 PMCID: PMC8620073 DOI: 10.3390/plants10112460] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/20/2021] [Accepted: 10/22/2021] [Indexed: 05/05/2023]
Abstract
The green chemistry approach has continuously been applied for the synthesis of functional nanomaterials to reduce waste, environmental hazards, and the use of toxic chemicals among other reasons. Bioactive natural compounds have been found great potential in this regard and are used to improve the stability, activity, and biodistribution of metal nanoparticles (MNPs). Aspalathin (ASP) from Aspalathus linearis (rooibos) has a well-defined pharmacological profile and functional groups capable of both reducing and capping agents in the synthesis of metallic nanoparticles (NP). This study provides the first report of the phytomediated synthesis of gold and silver nanoparticles (AuNPs/AgNPs) via ASP and the green rooibos (GR) extract. The study demonstrated a green chemistry approach to the biosynthesis of nanoparticles of GR-AuNPs, ASP-AuNPs, GR-AgNPs, and ASP-AgNPs. The results showed that GR and ASP could act both as reducing and stabilising agents in the formation of crystalline, with different shapes and dispersity of NPs in the ranges of 1.6-6.7 nm for AgNPs and 7.5-12.5 nm for the AuNPs. However, the ASP NPs were less stable in selected biogenic media compared to GR NPs and were later stabilised with polyethene glycol. The cytotoxicity studies showed that GR-AgNPs were the most cytotoxic against SH-SY5Y and HepG2 with IC50 108.8 and 183.4 μg/mL, respectively. The cellular uptake analysis showed a high uptake of AuNPs and indicated that AgNPs of rooibos at a lower dose (1.3-1.5 μg/mL) is favourable for its anticancer potential. This study is a contribution to plant-mediated metallic nanoparticles using a pure single compound that can be further developed for targeted drug delivery for cancer cells treatments in the coming years.
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Affiliation(s)
- Akeem O. Akinfenwa
- Department of Chemistry, Cape Peninsula University of Technology, Bellville 7535, South Africa;
| | - Naeem S. Abdul
- Applied Microbial and Health Biotechnology Institute, Cape Peninsula University of Technology, Bellville 7535, South Africa; (N.S.A.); (F.T.D.); (J.L.M.)
| | - Fathima T. Docrat
- Applied Microbial and Health Biotechnology Institute, Cape Peninsula University of Technology, Bellville 7535, South Africa; (N.S.A.); (F.T.D.); (J.L.M.)
| | - Jeanine L. Marnewick
- Applied Microbial and Health Biotechnology Institute, Cape Peninsula University of Technology, Bellville 7535, South Africa; (N.S.A.); (F.T.D.); (J.L.M.)
| | - Robbie C. Luckay
- Chemistry & Polymer Science Department, Stellenbosch University, Matieland, Stellenbosch 7602, South Africa;
| | - Ahmed A. Hussein
- Department of Chemistry, Cape Peninsula University of Technology, Bellville 7535, South Africa;
- Correspondence: ; Tel.: +27-21-959-6193; Fax: +27-21-959-3055
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27
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Gold and Silver Nanoparticle-Based Colorimetric Sensors: New Trends and Applications. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9110305] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Gold and Silver nanoparticles (AuNPs and AgNPs) are perfect platforms for developing sensing colorimetric devices thanks to their high surface to volume ratio and distinctive optical properties, particularly sensitive to changes in the surrounding environment. These characteristics ensure high sensitivity in colorimetric devices. Au and Ag nanoparticles can be capped with suitable molecules that can act as specific analyte receptors, so highly selective sensors can be obtained. This review aims to highlight the principal strategies developed during the last decade concerning the preparation of Au and Ag nanoparticle-based colorimetric sensors, with particular attention to environmental and health monitoring applications.
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28
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Zheng Q, Li W, Mao L, Wang M. Nanoscale metal-organic frameworks for the intracellular delivery of CRISPR/Cas9 genome editing machinery. Biomater Sci 2021; 9:7024-7033. [PMID: 34378567 DOI: 10.1039/d1bm00790d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The discovery of CRISPR/Cas9 genome-editing technology enables the precise manipulation of mammalian DNA sequences for treating genetic disorders. Despite its high efficiency for genome editing, the introduction of CRISPR/Cas9 machinery, which is composed of Cas9 nuclease protein and guide RNA, into cells challenges its clinical translation potential. Therefore, the intracellular delivery of genome-editing machinery determines the efficacy of gene manipulation via the CRISPR/Cas9 technology. Recently, metallosupramolecules including metal-organic frameworks (MOFs) and metal-organic cages (MOCs) have been designed to selfassemble with Cas9 nuclease and guide RNA for CRISPR/Cas9 delivery and genome editing. Herein, we review the most recent advances and strategies of constructing metallosupramolecules for CRISPR/Cas9 delivery. In particular, we discuss nanoscale MOFs and MOCs that could be assembled and regulated by the intracellular environment for the spatiotemporal delivery of genome editing machinery. We also provide a perspective view of the future development of metallosupramolecules for genome editing and gene therapy in vivo.
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Affiliation(s)
- Qizhen Zheng
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wenting Li
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lanqun Mao
- College of Chemistry, Beijing Normal University, Bejing 100875, China
| | - Ming Wang
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
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Tangthong T, Piroonpan T, Thipe VC, Khoobchandani M, Katti K, Katti KV, Pasanphan W. Bombesin Peptide Conjugated Water-Soluble Chitosan Gallate-A New Nanopharmaceutical Architecture for the Rapid One-Pot Synthesis of Prostate Tumor Targeted Gold Nanoparticles. Int J Nanomedicine 2021; 16:6957-6981. [PMID: 34675516 PMCID: PMC8520890 DOI: 10.2147/ijn.s327045] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 09/17/2021] [Indexed: 01/28/2023] Open
Abstract
PURPOSE We report herein bombesin peptide conjugated water-soluble chitosan gallate as a template for rapid one-pot synthesis of gold nanoparticles (AuNPs) with capabilities to target receptors on prostate cancer cells. METHODS Water-soluble chitosan (WCS), anchored with gallic acid (GA) and LyslLys3 (1,4,7,10-tetraazacyclo dodecane-1,4,7,10-tetraacetic acid) bombesin 1-14 (DBBN) peptide, provides a tumor targeting nanomedicine agent. WCS nanoplatforms provide attractive strategies with built-in capabilities to reduce gold (III) to gold nanoparticles with stabilizing and tumor-targeting capabilities. WCS-GA-DBBN encapsulation around gold nanoparticles affords optimum in vitro stability. RESULTS The DBBN content in the WCS-GA-DBBN sample was ~27%w/w. The antioxidant activities of WCS-GA and WCS-GA-DBBN nanocolloids were enhanced by 12 times as compared to the nascent WCS. AuNPs with a desirable hydrodynamic diameter range of 40-60 nm have been efficiently synthesized using WCS-GA and WCS-GA-DBBN platforms. The AuNPs were stable over 4 days after preparation and ~3 days after subjecting to all relevant biological fluids. The AuNPs capped with WCS-GA-DBBN peptide exhibited superior cellular internalization into prostate tumor (PC-3) cells with evidence of receptor mediated endocytosis. CONCLUSION The AuNPs capped with WCS-GA-DBBN exhibited selective affinity toward prostate cancer cells. AuNPs conjugated with WCS-GA-DBBN serve as a new generation of theranostic agents for treating various neoplastic diseases, thus opening-up new applications in oncology.
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Affiliation(s)
- Theeranan Tangthong
- Department of Materials Science, Faculty of Science, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand
- Center of Radiation Processing for Polymer Modification and Nanotechnology (CRPN), Department of Materials Science, Faculty of Science, Kasetsart University Chatuchak, Bangkok, 10900, Thailand
| | - Thananchai Piroonpan
- Center of Radiation Processing for Polymer Modification and Nanotechnology (CRPN), Department of Materials Science, Faculty of Science, Kasetsart University Chatuchak, Bangkok, 10900, Thailand
| | - Velaphi C Thipe
- Department of Chemistry, University of Missouri, Columbia, MO, 65211, USA
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65211, USA
| | - Menka Khoobchandani
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65211, USA
- Department of Radiology, University of Missouri, Columbia, MO, 65211, USA
| | - Kavita Katti
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65211, USA
- Department of Radiology, University of Missouri, Columbia, MO, 65211, USA
| | - Kattesh V Katti
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65211, USA
- Department of Radiology, University of Missouri, Columbia, MO, 65211, USA
- Department of Physics, University of Missouri, Columbia, MO, 65211, USA
| | - Wanvimol Pasanphan
- Department of Materials Science, Faculty of Science, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand
- Center of Radiation Processing for Polymer Modification and Nanotechnology (CRPN), Department of Materials Science, Faculty of Science, Kasetsart University Chatuchak, Bangkok, 10900, Thailand
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Blom van Staden A, Kovacs D, Cardinali G, Picardo M, Lebeko M, Khumalo NC, Ray SS, Lall N. Synthesis and characterization of gold nanoparticles biosynthesised from Aspalathus linearis (Burm.f.) R.Dahlgren For progressive macular hypomelanosis. J Herb Med 2021. [DOI: 10.1016/j.hermed.2021.100481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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De Canha MN, Thipe VC, Katti KV, Mandiwana V, Kalombo ML, Ray SS, Rikhotso R, Janse van Vuuren A, Lall N. The Activity of Gold Nanoparticles Synthesized Using Helichrysum odoratissimum Against Cutibacterium acnes Biofilms. Front Cell Dev Biol 2021; 9:675064. [PMID: 34589479 PMCID: PMC8473823 DOI: 10.3389/fcell.2021.675064] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 07/29/2021] [Indexed: 12/03/2022] Open
Abstract
The human skin is home to millions of bacteria, fungi, and viruses which form part of a unique microbiome. Commensal microbes, including Cutibacterium acnes can occasionally become opportunistic resulting in the onset of dermatological diseases such as acne. Acne is defined as a chronic inflammatory disorder based on its ability to persist for long periods throughout an individual’s life. The synthesis of gold nanoparticles (AuNPs) was performed using the bottom-up approach by reduction of a gold salt (HAuCl4.3H2O) by the methanol extract (HO-MeOH) and aqueous decoction prepared from the dried aerial parts of Helichrysum odoratissimum (HO-Powder). The HO-MeOH and HO-Powder AuNPs were prepared as unstabilised (−GA) or stabilized (+GA) by the omission or addition of Gum Arabic (GA) as the capping agent. The characterization of the AuNPs was performed using Transmission Electron Microscopy (TEM), dynamic light scattering (DLS), Ultraviolet-Visual spectroscopy (UV-Vis), Thermogravimetric Analysis (TGA), X-Ray Diffraction (XRD) and Zeta-potential. The MBIC50 values for HO-MeOH − GA and HO-MeOH + GA were 1.79 ± 0.78% v/v and 0.22 ± 0.16% v/v, respectively. The HO-Powder AuNPs showed potent inhibition of C. acnes cell adhesion to the 96-well plates. The HO-MeOH − GA and HO-Powder + GA exhibited IC50 of 22.01 ± 6.13% v/v and 11.78 ± 1.78% v/v, respectively. The activity of the AuNPs validated the anti-adhesion activity of the methanol extract in the crude form. The study emphasizes the selectivity of H. odoratissimum AuNPs for the prevention of C. acnes cell adhesion and not antimicrobial activity, which may prevent the emergence of resistant strains of C. acnes through reduced bactericidal or bacteriostatic activity, while targeting mechanisms of pathogenesis.
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Affiliation(s)
- Marco Nuno De Canha
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria, South Africa
| | - Velaphi Clement Thipe
- Department of Radiology, Institute of Green Nanotechnology, University of Missouri Columbia, Columbia, MO, United States
| | - Kattesh V Katti
- Department of Radiology, Institute of Green Nanotechnology, University of Missouri Columbia, Columbia, MO, United States
| | - Vusani Mandiwana
- Chemical Cluster, Centre for Nanostructures and Advanced Materials, Council for Scientific and Industrial Research, Pretoria, South Africa
| | - Michel Lonji Kalombo
- Chemical Cluster, Centre for Nanostructures and Advanced Materials, Council for Scientific and Industrial Research, Pretoria, South Africa
| | - Suprakas Sinha Ray
- DST/CSIR National Centre for Nanostructured Materials, Council for Scientific and Industrial Research, Pretoria, South Africa
| | - Rirhandzu Rikhotso
- DST/CSIR National Centre for Nanostructured Materials, Council for Scientific and Industrial Research, Pretoria, South Africa
| | - Arno Janse van Vuuren
- Centre for High Resolution Transmission Electron Microscopy, Nelson Mandela University, Port Elizabeth, South Africa
| | - Namrita Lall
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria, South Africa.,School of Natural Resources, University of Missouri, Columbia, MO, United States.,College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru, India
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Abstract
Metal nanoparticles (MNPs) have been widely used in several fields including catalysis, bioengineering, photoelectricity, antibacterial, anticancer, and medical imaging due to their unique physical and chemical properties. In the traditional synthesis method of MNPs, toxic chemicals are generally used as reducing agents and stabilizing agents, which is fussy to operate and extremely environment unfriendly. Based on this, the development of an environment-friendly synthesis method of MNPs has recently attracted great attention. The use of plant extracts as reductants and stabilizers to synthesize MNPs has the advantages of low cost, environmental friendliness, sustainability, and ease of operation. Besides, the as-synthesized MNPs are nontoxic, more stable, and more uniform in size than the counterparts prepared by the traditional method. Thus, green preparation methods have become a research hotspot in the field of MNPs synthesis. In this review, recent advances in green synthesis of MNPs using plant extracts as reductants and stabilizers have been systematically summarized. In addition, the insights into the potential applications and future development for MNPs prepared by using plant extracts have been provided.
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Khoobchandani M, Khan A, Katti KK, Thipe VC, Al-Yasiri AY, MohanDoss DKD, Nicholl MB, Lugão AB, Hans CP, Katti KV. Green nanotechnology of MGF-AuNPs for immunomodulatory intervention in prostate cancer therapy. Sci Rep 2021; 11:16797. [PMID: 34408231 PMCID: PMC8373987 DOI: 10.1038/s41598-021-96224-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 08/05/2021] [Indexed: 02/07/2023] Open
Abstract
Men with castration-resistant prostate cancer (CRPC) face poor prognosis and increased risk of treatment-incurred adverse effects resulting in one of the highest mortalities among patient population globally. Immune cells act as double-edged sword depending on the tumor microenvironment, which leads to increased infiltration of pro-tumor (M2) macrophages. Development of new immunomodulatory therapeutic agents capable of targeting the tumor microenvironment, and hence orchestrating the transformation of pro-tumor M2 macrophages to anti-tumor M1, would substantially improve treatment outcomes of CRPC patients. We report, herein, Mangiferin functionalized gold nanoparticulate agent (MGF-AuNPs) and its immunomodulatory characteristics in treating prostate cancer. We provide evidence of immunomodulatory intervention of MGF-AuNPs in prostate cancers through observations of enhanced levels of anti-tumor cytokines (IL-12 and TNF-α) with concomitant reductions in the levels of pro-tumor cytokines (IL-10 and IL-6). In the MGF-AuNPs treated groups, IL-12 was elevated to ten-fold while TNF-α was elevated to about 50-fold, while IL-10 and IL-6 were reduced by two-fold. Ability of MGF-AuNPs to target splenic macrophages is invoked via targeting of NF-kB signaling pathway. Finally, therapeutic efficacy of MGF-AuNPs, in treating prostate cancer in vivo in tumor bearing mice, is described taking into consideration various immunomodulatory interventions triggered by this green nanotechnology-based nanomedicine agent.
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Affiliation(s)
- Menka Khoobchandani
- Department of Radiology, Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65212, USA
- Department of Radiation Oncology, Washington University School of Medicine, 4511 Forest Park Ave, St. Louis, MO, 63108, USA
| | - Aslam Khan
- Department of Biochemistry, University of Missouri, Columbia, MO, 65212, USA
| | - Kavita K Katti
- Department of Radiology, Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65212, USA
| | - Velaphi C Thipe
- Laboratório de Ecotoxicologia, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear, IPEN/CNEN-SP, Butantã, São Paulo, SP, Brasil
| | - Amal Y Al-Yasiri
- Nuclear Science and Engineering Institute (NSEI), University of Missouri, Columbia, MO, 65211, USA
- College of Dentistry, University of Baghdad, Baghdad, Iraq
| | - Darsha K D MohanDoss
- Dhanvantari Nano Ayushadi Pvt Ltd, No. 8/34, Neelakanta Mehta Street, T. Nagar, Chennai, 600017, India
| | | | - Ademar B Lugão
- Laboratório de Ecotoxicologia, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear, IPEN/CNEN-SP, Butantã, São Paulo, SP, Brasil
| | - Chetan P Hans
- Department of Medicine-Cardiology, University of Missouri, Columbia, MO, 65212, USA
| | - Kattesh V Katti
- Department of Radiology, Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65212, USA.
- Department of Physics, University of Missouri, Columbia, MO, 65212, USA.
- University of Missouri Research Reactor (MURR), University of Missouri, Columbia, MO, 65212, USA.
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Han S, Zal T, Sokolov KV. Fate of Antibody-Targeted Ultrasmall Gold Nanoparticles in Cancer Cells after Receptor-Mediated Uptake. ACS NANO 2021; 15:9495-9508. [PMID: 34011152 PMCID: PMC8223898 DOI: 10.1021/acsnano.0c08128] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 05/12/2021] [Indexed: 06/12/2023]
Abstract
Nanoparticles with ultrasmall sizes (less than 10 nm) offer many advantages in biomedical applications compared to their bigger counterparts, including better intratumoral distribution, improved pharmacokinetics (PK), and efficient body clearance. When functionalized with a biocompatible coating and a target-specific antibody, ultrasmall nanoparticles represent an attractive clinical translation platform. Although there is a tremendous body of work dedicated to PK and the biological effects of various nanoparticles, little is known about the fate of different components of functionalized nanoparticles in a biological environment such as in live cells. Here, we used luminescence properties of 5 nm gold nanoparticles (AuNPs) to study the intracellular trafficking and fate of the AuNPs functionalized with an organic layer consisting of a polyethylene glycol (PEG) coating and epidermal growth factor receptor (EGFR)-targeting antibody. We showed that intracellular uptake of the targeted 5 nm AuNPs results in a strong two-photon luminescence (TPL) that is characterized by broad emission and very short lifetimes compared to the fluorescence of the nanoparticle-conjugated fluorophore-tagged antibody, thereby allowing selective imaging of these components using TPL and two-photon excited fluorescence lifetime microscopy (2P-FLIM). Our results indicate that the nanoparticle's coating is detached from the particle's surface inside cells, leading to formation of nanoparticle clusters with a strong TPL. Furthermore, we observed an optically resolved spatial separation of the gold core and the antibody coating of the particles inside cells. We used data from two-photon microscopy, 2P-FLIM, electron microscopy, and in vitro assays to propose a model of interactions of functionalized 5 nm AuNPs with live cells.
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Affiliation(s)
- Sangheon Han
- Department of Bioengineering, Rice
University, 6100 Main Street, Houston, Texas 77005, United
States
- Department of Imaging Physics, The
University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Boulevard,
Houston, Texas 77030, United States
| | - Tomasz Zal
- Department of Leukemia, The University of
Texas M.D. Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, Texas
77030, United States
| | - Konstantin V. Sokolov
- Department of Bioengineering, Rice
University, 6100 Main Street, Houston, Texas 77005, United
States
- Department of Imaging Physics, The
University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Boulevard,
Houston, Texas 77030, United States
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Guo Y, Sun Q, Wu FG, Dai Y, Chen X. Polyphenol-Containing Nanoparticles: Synthesis, Properties, and Therapeutic Delivery. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2007356. [PMID: 33876449 DOI: 10.1002/adma.202007356] [Citation(s) in RCA: 192] [Impact Index Per Article: 64.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/03/2020] [Indexed: 06/12/2023]
Abstract
Polyphenols, the phenolic hydroxyl group-containing organic molecules, are widely found in natural plants and have shown beneficial effects on human health. Recently, polyphenol-containing nanoparticles have attracted extensive research attention due to their antioxidation property, anticancer activity, and universal adherent affinity, and thus have shown great promise in the preparation, stabilization, and modification of multifunctional nanoassemblies for bioimaging, therapeutic delivery, and other biomedical applications. Additionally, the metal-polyphenol networks, formed by the coordination interactions between polyphenols and metal ions, have been used to prepare an important class of polyphenol-containing nanoparticles for surface modification, bioimaging, drug delivery, and disease treatments. By focusing on the interactions between polyphenols and different materials (e.g., metal ions, inorganic materials, polymers, proteins, and nucleic acids), a comprehensive review on the synthesis and properties of the polyphenol-containing nanoparticles is provided. Moreover, the remarkable versatility of polyphenol-containing nanoparticles in different biomedical applications, including biodetection, multimodal bioimaging, protein and gene delivery, bone repair, antibiosis, and cancer theranostics is also demonstrated. Finally, the challenges faced by future research regarding the polyphenol-containing nanoparticles are discussed.
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Affiliation(s)
- Yuxin Guo
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical EngineeringSoutheast University, 2 Sipailou Road, Nanjing, 210096, P. R. China
| | - Qing Sun
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical EngineeringSoutheast University, 2 Sipailou Road, Nanjing, 210096, P. R. China
| | - Fu-Gen Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical EngineeringSoutheast University, 2 Sipailou Road, Nanjing, 210096, P. R. China
| | - Yunlu Dai
- Cancer Centre, Faculty of Health Sciences, University of Macau, Macau SAR, P. R. China
| | - Xiaoyuan Chen
- Yong Loo Lin School of Medicine and Faculty of Engineering, National University of Singapore, Singapore, 119077, Singapore
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Asharani IV, Priya DB, Sivagami M, Thirumalai D. Catalytic Activity of Size Tailored Gold Nanoparticles for the Reduction of Environmental Pollutant, 4-Nitrophenol: A Greener Approach. J CLUST SCI 2021. [DOI: 10.1007/s10876-021-02045-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Tang XY, Yu SJ, Guo XM, Li H, Chen MS, Zhang T, Lei CY, Zhao ZG, Meng HC. Betacyanins functionalized selenium nanoparticles inhibit HepG2 cells growth via mitochondria-mediated pathway. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Hussein MAM, Grinholc M, Dena ASA, El-Sherbiny IM, Megahed M. Boosting the antibacterial activity of chitosan–gold nanoparticles against antibiotic–resistant bacteria by Punicagranatum L. extract. Carbohydr Polym 2021; 256:117498. [DOI: 10.1016/j.carbpol.2020.117498] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 12/04/2020] [Accepted: 12/07/2020] [Indexed: 12/19/2022]
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Park S, Hong S, Kim J, Son SY, Lee H, Kim SJ. Eco friendly nanofluidic platforms using biodegradable nanoporous materials. Sci Rep 2021; 11:3804. [PMID: 33589696 PMCID: PMC7884701 DOI: 10.1038/s41598-021-83306-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 02/02/2021] [Indexed: 11/09/2022] Open
Abstract
Splendid advancement of micro/nanofluidic researches in the field of bio- and chemical-analysis enables various ubiquitous applications such as bio-medical diagnostics and environmental monitoring, etc. In such devices, nanostructures are the essential elements so that the nanofabrication methods have been major issues since the last couple of decades. However, most of nanofabrication methods are sophisticated and expensive due to the requirement of high-class cleanroom facilities, while low-cost and biocompatible materials have been already introduced in the microfluidic platforms. Thus, an off-the-shelf and biodegradable material for those nanostructures can complete the concept of an eco-friendly micro/nanofluidic platform. In this work, biodegradable materials originated from well-known organisms such as human nail plate and denatured hen egg (albumen and yolk) were rigorously investigated as a perm-selective nanoporous membrane. A simple micro/nanofluidic device integrated with such materials was fabricated to demonstrate nanofluidic phenomena. These distinctive evidences (the visualization of ion concentration polarization phenomenon, ohmic/limiting/over-limiting current behavior and surface charge-governed conductance) can fulfill the requirements of functional nanostructures for the nanofluidic applications. Therefore, while these materials were less robust than nano-lithographically fabricated structures, bio-oriented perm-selective materials would be utilized as a one of key elements of the biodegradable and eco friendly micro/nanofluidic applications.
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Affiliation(s)
- Sungmin Park
- Department of Electrical and Computer Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Seongjun Hong
- Department of Electrical and Computer Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Junsuk Kim
- Department of Electrical and Computer Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Seok Young Son
- Department of Electrical and Computer Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hyomin Lee
- Department of Chemical and Biological Engineering, Jeju National University, Jeju, 63243, Republic of Korea
| | - Sung Jae Kim
- Department of Electrical and Computer Engineering, Seoul National University, Seoul, 08826, Republic of Korea. .,Nano System Institute, Seoul National University, Seoul, 08826, Republic of Korea. .,Inter-University Semiconductor Research Center, Seoul National University, Seoul, 08826, Republic of Korea.
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Zainon S, Azmi W. Recent Progress on Stability and Thermo-Physical Properties of Mono and Hybrid towards Green Nanofluids. MICROMACHINES 2021; 12:mi12020176. [PMID: 33670250 PMCID: PMC7918202 DOI: 10.3390/mi12020176] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/31/2021] [Accepted: 02/08/2021] [Indexed: 11/16/2022]
Abstract
Many studies have shown the remarkable enhancement of thermo-physical properties with the addition of a small quantity of nanoparticles into conventional fluids. However, the long-term stability of the nanofluids, which plays a significant role in enhancing these properties, is hard to achieve, thus limiting the performance of the heat transfer fluids in practical applications. The present paper attempts to highlight various approaches used by researchers in improving and evaluating the stability of thermal fluids and thoroughly explores various factors that contribute to the enhancement of the thermo-physical properties of mono, hybrid, and green nanofluids. There are various methods to maintain the stability of nanofluids, but this paper particularly focuses on the sonication process, pH modification, and the use of surfactant. In addition, the common techniques to evaluate the stability of nanofluids are undertaken by using visual observation, TEM, FESEM, XRD, zeta potential analysis, and UV-Vis spectroscopy. Prior investigations revealed that the type of nanoparticle, particle volume concentration, size and shape of particles, temperature, and base fluids highly influence the thermo-physical properties of nanofluids. In conclusion, this paper summarized the findings and strategies to enhance the stability and factors affecting the thermal conductivity and dynamic viscosity of mono and hybrid of nanofluids towards green nanofluids.
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Affiliation(s)
- S.N.M. Zainon
- Department of Mechanical Engineering, College of Engineering, Universiti Malaysia Pahang, Lebuhraya Tun Razak, Gambang, Kuantan 26300, Malaysia;
| | - W.H. Azmi
- Department of Mechanical Engineering, College of Engineering, Universiti Malaysia Pahang, Lebuhraya Tun Razak, Gambang, Kuantan 26300, Malaysia;
- Centre for Research in Advanced Fluid and Processes, Lebuhraya Tun Razak, Gambang, Kuantan 26300, Malaysia
- Correspondence:
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Nirmala JG, Rachineni K, Choudhary S, Hosur RV, Lopus M. Triphala polyphenols-functionalized gold nanoparticles impair cancer cell survival through induction of tubulin dysfunction. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2020.102167] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Kondath S, Rajaram R, Anantanarayanan R. Curcumin reduced gold nanoparticles synergistically induces ROS mediated apoptosis in MCF-7 cancer cells. INORG NANO-MET CHEM 2021. [DOI: 10.1080/24701556.2020.1870496] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Sindhu Kondath
- Biochemistry laboratory, Central Leather Research Institute, Chennai, India
| | - Rama Rajaram
- Biochemistry laboratory, Central Leather Research Institute, Chennai, India
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Ahmad R, Srivastava S, Ghosh S, Khare SK. Phytochemical delivery through nanocarriers: a review. Colloids Surf B Biointerfaces 2021; 197:111389. [PMID: 33075659 DOI: 10.1016/j.colsurfb.2020.111389] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 07/17/2020] [Accepted: 09/24/2020] [Indexed: 01/18/2023]
Abstract
In recent times, phytochemicals encapsulated or conjugated with nanocarriers for delivery to the specific sites have gained considerable research interest. Phytochemicals are mostly plant secondary metabolites which reported to be beneficial for human health and in disease theraphy. However, these compound are large size and polar nature of these compounds, make it difficult to cross the blood-brain barrier (BBB), endothelial lining of blood vessels, gastrointestinal tract and mucosa. Moreover, they are enzymatically degraded in the gastrointestinal tract. Therefore, encapsulation or conjugation of these compounds with nanocrriers could be an alternate way to enhance their bioefficacy by influencing their gastrointestinal stability, rate of absorption and dispersion. This review presents an overview of nanocarriers alternatives which improves therapeutic value and avoid toxicity, by releasing bioactive compounds specifically at target tissues with enhanced stability and bioavailability. Future investigations may emphasize on deciphering the structural changes in nanocarriers during digestion and absorption, the difference between in-vitro and in-vivo digestion simulations, and impact of nanocarriers on the metabolism of phytochemicals.
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Affiliation(s)
- Razi Ahmad
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Sukriti Srivastava
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Shubhrima Ghosh
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Sunil Kumar Khare
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
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Ovais M, Hoque MZ, Khalil AT, Ayaz M, Ahmad I. Mechanisms underlying the anticancer applications of biosynthesized nanoparticles. BIOGENIC NANOPARTICLES FOR CANCER THERANOSTICS 2021:229-248. [DOI: 10.1016/b978-0-12-821467-1.00006-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Silva F, Cabral Campello MP, Paulo A. Radiolabeled Gold Nanoparticles for Imaging and Therapy of Cancer. MATERIALS (BASEL, SWITZERLAND) 2020; 14:E4. [PMID: 33375074 PMCID: PMC7792784 DOI: 10.3390/ma14010004] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/16/2020] [Accepted: 12/18/2020] [Indexed: 12/22/2022]
Abstract
In the Last decades, nanotechnology has provided novel and alternative methodologies and tools in the field of medical oncology, in order to tackle the issues regarding the control and treatment of cancer in modern society. In particular, the use of gold nanoparticles (AuNPs) in radiopharmaceutical development has provided various nanometric platforms for the delivery of medically relevant radioisotopes for SPECT/PET diagnosis and/or radionuclide therapy. In this review, we intend to provide insight on the methodologies used to obtain and characterize radiolabeled AuNPs while reporting relevant examples of AuNPs developed during the last decade for applications in nuclear imaging and/or radionuclide therapy, and highlighting the most significant preclinical studies and results.
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Affiliation(s)
- Francisco Silva
- CTN—Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela, Portugal; (F.S.); (M.P.C.C.)
| | - Maria Paula Cabral Campello
- CTN—Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela, Portugal; (F.S.); (M.P.C.C.)
- DECN—Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela, Portugal
| | - António Paulo
- CTN—Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela, Portugal; (F.S.); (M.P.C.C.)
- DECN—Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela, Portugal
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Teodor ED, Radu GL. Phyto-synthesized Gold Nanoparticles as Antitumor Agents. Pharm Nanotechnol 2020; 9:51-60. [PMID: 33231152 DOI: 10.2174/2211738508999201123213504] [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: 08/27/2020] [Revised: 09/25/2020] [Accepted: 10/06/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Phyto, or plant-derived metal nanoparticles, are an interesting and intensive studied group of green synthesized nanoparticles. In the last decade, numerous medicinal plant extracts were used for the synthesis of stable gold or silver nanoparticles with diverse biological effects, such as antioxidant activity, antimicrobial activity, anti-inflammatory activity, hypoglycemic effect, antitumor activity and catalytic activity. RESULTS This review has systematized and discussed information from the last 5 years about the research regarding antitumor/anticancer potential of gold nanoparticles obtained via medicinal plant extracts, with special attention on their selective cytotoxicity on tumor cells and on their mechanism of action, in vitro and in vivo assessments. CONCLUSION Much more in vivo and clinical studies are needed before considering phyto-synthesized gold nanoparticles as significant for future medicine.
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Affiliation(s)
| | - Gabriel Lucian Radu
- Faculty of Applied Chemistry and Materials Science, University Politehnica, Bucharest, Romania
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Maziero JS, Thipe VC, Rogero SO, Cavalcante AK, Damasceno KC, Ormenio MB, Martini GA, Batista JGS, Viveiros W, Katti KK, Raphael Karikachery A, Dhurvas Mohandoss D, Dhurvas RD, Nappinnai M, Rogero JR, Lugão AB, Katti KV. Species-Specific in vitro and in vivo Evaluation of Toxicity of Silver Nanoparticles Stabilized with Gum Arabic Protein. Int J Nanomedicine 2020; 15:7359-7376. [PMID: 33061384 PMCID: PMC7537814 DOI: 10.2147/ijn.s250467] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 08/13/2020] [Indexed: 12/17/2022] Open
Abstract
Introduction We report, herein, in vitro, and in vivo toxicity evaluation of silver nanoparticles stabilized with gum arabic protein (AgNP-GP) in Daphnia similis, Danio rerio embryos and in Sprague Dawley rats. Purpose The objective of this investigation was to evaluate in vitro and in vivo toxicity of silver nanoparticles stabilized with gum arabic protein (AgNP-GP), in multispecies due to the recognition that toxicity evaluations beyond a single species reflect the environmental realism. In the present study, AgNP-GP was synthesized through the reduction of silver salt using the tri-alanine-phosphine peptide (commonly referred to as “Katti Peptide”) and stabilized using gum arabic protein. Methods In vitro cytotoxicity tests were performed according to ISO 10993–5 protocols to assess cytotoxicity index (IC50) values. Acute ecotoxicity (EC50) studies were performed using Daphnia similis, according to the ABNT NBR 15088 protocols. In vivo toxicity also included evaluation of acute embryotoxicity using Danio rerio (zebrafish) embryos following the OECD No. 236 guidelines. We also used Sprague Dawley rats to assess the toxicity of AgNP-GP in doses from 2.5 to 10.0 mg kg−1 body weight. Results AgNP-GP nanoparticles were characterized through UV (405 nm), core size (20±5 nm through TEM), hydrodynamic size (70–80 nm), Zeta (ζ) potential (- 26 mV) using DLS and Powder X ray diffraction (PXRD) and EDS. PXRD showed pattern consistent with the Ag (1 1 1) peak. EC50 in Daphnia similis was 4.40 (3.59–5.40) μg L−1. In the zebrafish species, LC50 was 177 μg L−1. Oral administration of AgNP-GP in Sprague Dawley rats for a period of 28 days revealed no adverse effects in doses of up to 10.0 mg kg−1 b.w. in both male and female animals. Conclusion The non-toxicity of AgNP-GP in rats offers a myriad of applications of AgNP-GP in health and hygiene for use as antibiotics, antimicrobial and antifungal agents.
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Affiliation(s)
- Joana S Maziero
- Laboratório de Ecotoxicologia, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear- IPEN/CNEN-SP, São Paulo, SP, Brazil
| | - Velaphi C Thipe
- Laboratório de Ecotoxicologia, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear- IPEN/CNEN-SP, São Paulo, SP, Brazil.,Institute of Green Nanotechnology, Department of Radiology, University of Missouri Columbia, Columbia, MO, USA
| | - Sizue O Rogero
- Laboratório de Ecotoxicologia, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear- IPEN/CNEN-SP, São Paulo, SP, Brazil
| | - Adriana K Cavalcante
- Laboratório de Ecotoxicologia, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear- IPEN/CNEN-SP, São Paulo, SP, Brazil
| | - Kelme C Damasceno
- Laboratório de Ecotoxicologia, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear- IPEN/CNEN-SP, São Paulo, SP, Brazil
| | - Matheus B Ormenio
- Laboratório de Ecotoxicologia, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear- IPEN/CNEN-SP, São Paulo, SP, Brazil
| | - Gisela A Martini
- Laboratório de Ecotoxicologia, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear- IPEN/CNEN-SP, São Paulo, SP, Brazil
| | - Jorge G S Batista
- Laboratório de Biomateriais Poliméricos e Nanotheranóstica, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear- IPEN/CNEN-SP, São Paulo, SP, Brazil
| | - William Viveiros
- Laboratório de Ecotoxicologia, Companhia Ambiental do Estado de São Paulo (CETESB), São Paulo, SP, Brazil
| | - Kavita K Katti
- Institute of Green Nanotechnology, Department of Radiology, University of Missouri Columbia, Columbia, MO, USA
| | - Alice Raphael Karikachery
- Institute of Green Nanotechnology, Department of Radiology, University of Missouri Columbia, Columbia, MO, USA
| | | | | | | | - José R Rogero
- Laboratório de Biomateriais Poliméricos e Nanotheranóstica, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear- IPEN/CNEN-SP, São Paulo, SP, Brazil
| | - Ademar B Lugão
- Laboratório de Ecotoxicologia, Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares (IPEN), Comissão Nacional de Energia Nuclear- IPEN/CNEN-SP, São Paulo, SP, Brazil
| | - Kattesh V Katti
- Institute of Green Nanotechnology, Department of Radiology, University of Missouri Columbia, Columbia, MO, USA
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Zhang N, Yu J, Liu P, Chang J, Ali D, Tian X. Gold nanoparticles synthesized from Curcuma wenyujin inhibits HER-2/neu transcription in breast cancer cells (MDA-MB-231/HER2). ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.08.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Freitas LF, da Cruz CP, Cavalcante AK, dos Santos Batista JG, Varca GH, Mathor MB, Lugão AB. Comparison between gold nanoparticles synthesized by radiolysis and by EGCG-driven gold reduction. Radiat Phys Chem Oxf Engl 1993 2020. [DOI: 10.1016/j.radphyschem.2020.108959] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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50
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Wang T, Zhang F, Zhao R, Wang C, Hu K, Sun Y, Politis C, Shavandi A, Nie L. Polyvinyl Alcohol/Sodium Alginate Hydrogels Incorporated with Silver Nanoclusters via Green Tea Extract for Antibacterial Applications. Des Monomers Polym 2020; 23:118-133. [PMID: 33029080 PMCID: PMC7473243 DOI: 10.1080/15685551.2020.1804183] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 07/28/2020] [Indexed: 01/13/2023] Open
Abstract
Silver-based nanoparticles and biomaterials have extensive biomedical applications owing to their unique antimicrobial properties. Thus, green and facile synthesis of such materials is highly desirable. This study reports an antibacterial hydrogel based on polyvinyl alcohol/sodium alginate network with the incorporation of silver nanoparticles (AgNPs), which is greenly synthesized by reductive metabolites obtained from the leaves of green tea. The 'flower-shape' AgNPs were acquired, it formed a mono-disperse system with a distinct uniform interparticle separation. The average size of AgNPs varied from 129.5 to 243.6 nm, which could be regulated by using different volumes of the green tea extract. Zeta potentials of the AgNPs were from -39.3 mV to -20.3 mV, indicating the moderate stability of the particles in water. In the next stage, the antibacterial polyvinyl alcohol/sodium alginate hydrogels were fabricated by incorporating prepared AgNPs. Scanning Electron Microscopy (SEM) images showed that the porous structure was obtained, and Energy Dispersive X-Ray (EDX) analysis confirmed that the AgNPs were uniformly dispersed in the polymer network. The hydrogels exhibited superior water absorption properties, which were characterized by a high swelling ratio (500-900%) and fast equilibrium. The hydrogels also exhibited good antimicrobial activity in assays with Gram-positive bacteria Escherichia coli and Gram-negative bacteria Staphylococcus aureus. To sum up, a process for the green preparation of antibacterial hydrogels based on AgNPs derived from tea leaves as a conveniently available cheap local agricultural product was established.
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Affiliation(s)
- Tianwen Wang
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Fang Zhang
- College of Life Sciences, Xinyang Normal University, Xinyang, China
- College of Life Science & Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Rui Zhao
- College of Chemistry and Chemical Engineering, Xinyang Normal University, XinyangChina
| | - Can Wang
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Kehui Hu
- Department of Mechanical Engineering, Tsinghua University, Beijing, China
| | - Yi Sun
- Department of Imaging & Pathology, University of Leuven and Oral & Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Constantinus Politis
- Department of Imaging & Pathology, University of Leuven and Oral & Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Amin Shavandi
- BioMatter Unit - École Polytechnique De Bruxelles, Université Libre De Bruxelles, Brussels, Belgium
| | - Lei Nie
- College of Life Sciences, Xinyang Normal University, Xinyang, China
- Department of Imaging & Pathology, University of Leuven and Oral & Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
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