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Srinivasarao DA, Shah S, Famta P, Vambhurkar G, Jain N, Pindiprolu SKSS, Sharma A, Kumar R, Padhy HP, Kumari M, Madan J, Srivastava S. Unravelling the role of tumor microenvironment responsive nanobiomaterials in spatiotemporal controlled drug delivery for lung cancer therapy. Drug Deliv Transl Res 2024:10.1007/s13346-024-01673-z. [PMID: 39037533 DOI: 10.1007/s13346-024-01673-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/08/2024] [Indexed: 07/23/2024]
Abstract
Design and development of efficient drug delivery technologies that impart site-specificity is the need of the hour for the effective treatment of lung cancer. The emergence of materials science and nanotechnology partially helped drug delivery scientists to achieve this objective. Various stimuli-responsive materials that undergo degradation at the pathological tumor microenvironment (TME) have been developed and explored for drug delivery applications using nanotechnological approaches. Nanoparticles (NPs), owing to their small size and high surface area to volume ratio, demonstrated enhanced cellular internalization, permeation, and retention at the tumor site. Such passive accumulation of stimuli-responsive materials helped to achieve spatiotemporally controlled and targeted drug delivery within the tumors. In this review, we discussed various stimuli-physical (interstitial pressure, temperature, and stiffness), chemical (pH, hypoxia, oxidative stress, and redox state), and biological (receptor expression, efflux transporters, immune cells, and their receptors or ligands)-that are characteristic to the TME. We mentioned an array of biomaterials-based nanoparticulate delivery systems that respond to these stimuli and control drug release at the TME. Further, we discussed nanoparticle-based combinatorial drug delivery strategies. Finally, we presented our perspectives on challenges related to scale-up, clinical translation, and regulatory approvals.
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Affiliation(s)
- Dadi A Srinivasarao
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India.
| | - Saurabh Shah
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India
| | - Paras Famta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India
| | - Ganesh Vambhurkar
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India
| | - Naitik Jain
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India
| | - Sai Kiran S S Pindiprolu
- Aditya Pharmacy College, Surampalem, 533 437, Andhra Pradesh, India
- Jawaharlal Nehru Technological University, Kakinada, 533 003, Andhra Pradesh, India
| | - Anamika Sharma
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), 500037, Telangana, Hyderabad, India
| | - Rahul Kumar
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), 500037, Telangana, Hyderabad, India
| | - Hara Prasad Padhy
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), 500037, Telangana, Hyderabad, India
| | - Meenu Kumari
- Department of Chemical Sciences, National Institute of Pharmaceutical Education and Research (NIPER), 500037, Telangana, Hyderabad, India
| | - Jitender Madan
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India
| | - Saurabh Srivastava
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad, Balanagar, Hyderabad, 500037, Telangana, India.
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Bhattacharya S, Page A, Shinde P. Capecitabine loaded potato starch-chitosan nanoparticles: A novel approach for targeted therapy and improved outcomes in aggressive colon cancer. Eur J Pharm Biopharm 2024; 200:114328. [PMID: 38763329 DOI: 10.1016/j.ejpb.2024.114328] [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: 02/07/2024] [Revised: 05/08/2024] [Accepted: 05/14/2024] [Indexed: 05/21/2024]
Abstract
Aggressive colon cancer treatment poses significant challenges. This study investigates the potential of innovative carbohydrate-based nanoparticles for targeted Capecitabine (CTB) delivery. CTB nanoparticles were synthesized by conjugating CTB with potato starch and chitosan using ultrasonication, hydrolysis, and ionotropic gelation. Characterization included drug loading, rheology, Surface-Enhanced Raman Spectroscopy (SERS), Fourier-Transform Infrared Spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), X-ray Diffraction (XRD), and Thermogravimetric Analysis (TGA). In vitro and in vivo antitumor activity was evaluated using HT-29 cells and N, N-dimethylhydrazine-induced Balb/c mice, respectively. Cellular assays assessed angiogenesis, migration, proliferation, and apoptosis. Nanoparticles exhibited a mean size of 245 nm, positive zeta potential (+30 mV), high loading efficacy (76 %), and sustained drug release (92 % over 100 h). CTB-loaded nanoparticles displayed superior colon histology, reduced tumour scores, and inhibited VEGD and CD31 expression compared to free CTB. Cellular assays confirmed significant antitumor effects, including reduced tube formation, migration, and proliferation, and increased apoptosis. This study demonstrates the promise of CTB-loaded potato starch-chitosan nanoparticles for aggressive colon cancer treatment. These findings highlight the potential of these nanoparticles for further evaluation in diverse cancer models.
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Affiliation(s)
- Sankha Bhattacharya
- Department of Pharmaceutics, School of Pharmacy & Technology Management, SVKM'S NMIMS Deemed-to-be University, Shirpur, Maharashtra 425405, India.
| | - Amit Page
- Department of Pharmaceutics, School of Pharmacy & Technology Management, SVKM'S NMIMS Deemed-to-be University, Shirpur, Maharashtra 425405, India
| | - Prafull Shinde
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, NMIMS Deemed-to-be-University, India
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Susnik E, Bazzoni A, Taladriz-Blanco P, Balog S, Moreno-Echeverri AM, Glaubitz C, Oliveira BB, Ferreira D, Baptista PV, Petri-Fink A, Rothen-Rutishauser B. Epidermal growth factor alters silica nanoparticle uptake and improves gold-nanoparticle-mediated gene silencing in A549 cells. FRONTIERS IN NANOTECHNOLOGY 2023; 5:1220514. [PMID: 37954478 PMCID: PMC7615298 DOI: 10.3389/fnano.2023.1220514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023] Open
Abstract
Introduction Delivery of therapeutic nanoparticles (NPs) to cancer cells represents a promising approach for biomedical applications. A key challenge for nanotechnology translation from the bench to the bedside is the low amount of administered NPs dose that effectively enters target cells. To improve NPs delivery, several studies proposed NPs conjugation with ligands, which specifically deliver NPs to target cells via receptor binding. One such example is epidermal growth factor (EGF), a peptide involved in cell signaling pathways that control cell division by binding to epidermal growth factor receptor (EGFR). However, very few studies assessed the influence of EGF present in the cell environment, on the cellular uptake of NPs. Methods We tested if the stimulation of EGFR-expressing lung carcinomacells A549 with EGF affects the uptake of 59 nm and 422 nm silica (SiO2) NPs. Additionally, we investigated whether the uptake enhancement can be achieved with gold NPs, suitable to downregulate the expression of cancer oncogene c-MYC. Results Our findings show that EGF binding to its receptor results in receptor autophosphorylation and initiate signaling pathways, leading to enhanced endocytosis of 59 nm SiO2 NPs, but not 422 nm SiO2 NPs. Additionally, we demonstrated an enhanced gold (Au) NPs endocytosis and subsequently a higher downregulation of c-MYC. Discussion These findings contribute to a better understanding of NPs uptake in the presence of EGF and that is a promising approach for improved NPs delivery.
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Affiliation(s)
- Eva Susnik
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland
| | - Amelie Bazzoni
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland
| | | | - Sandor Balog
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland
| | | | | | - Beatriz Brito Oliveira
- i4HB, UCIBIO, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Daniela Ferreira
- i4HB, UCIBIO, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Pedro Viana Baptista
- i4HB, UCIBIO, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland
- Department of Chemistry, University of Fribourg, Fribourg, Switzerland
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Sousa de Almeida M, Roshanfekr A, Balog S, Petri-Fink A, Rothen-Rutishauser B. Cellular Uptake of Silica Particles Influences EGFR Signaling Pathway and is Affected in Response to EGF. Int J Nanomedicine 2023; 18:1047-1061. [PMID: 36874146 PMCID: PMC9975537 DOI: 10.2147/ijn.s388557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 02/03/2023] [Indexed: 02/25/2023] Open
Abstract
Background The human epidermal growth factor receptor (EGFR) is a receptor tyrosine kinase that is involved in several key cellular processes, such as cell proliferation and differentiation, and it has been linked to the development and progression of various cancers (e.g., breast and lung). Researchers have attempted to improve current cancer-targeted therapies by conjugating molecules on the surface of (nano)particles to efficiently target and inhibit EGFR. However, very few in vitro studies have investigated the effect of particles per se on EGFR signaling and dynamics. Furthermore, the impact of concomitant exposure of particles and EGFR ligands, such as epidermal growth factor (EGF) on cellular uptake efficiency has received little attention. Purpose The purpose of this research was to determine the effects of silica (SiO2) particles on EGFR expression and intracellular signaling pathways in A549 lung epithelial cells, in the presence or absence of epidermal growth factor (EGF). Results We showed that A549 cells are able to internalize SiO2 particles with core diameters of 130 nm and 1 µm without affecting cell proliferation or migration. However, both SiO2 particles interfere with the EGFR signaling pathway by raising the endogenous levels of extracellular signal-regulated kinase (ERK) 1/2. Furthermore, both in the presence and absence of SiO2 particles, the addition of EGF increased cell migration. EGF also stimulated cellular uptake of 130 nm SiO2 particles but not 1 µm particles. The increased uptake is primarily associated with EGF-stimulated macropinocytosis. Conclusion This study shows that SiO2 particle uptake interferes with cellular signaling pathways and can be boosted by concurrent exposure to the bioactive molecule EGF. SiO2 particles, both alone and in combination with the ligand EGF, interfere with EGFR signaling pathway in a size-dependent manner.
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Affiliation(s)
| | - Arya Roshanfekr
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland
| | - Sandor Balog
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland
| | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland.,Department of Chemistry, University of Fribourg, Fribourg, Switzerland
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Griffiths G, Gruenberg J, Marsh M, Wohlmann J, Jones AT, Parton RG. Nanoparticle entry into cells; the cell biology weak link. Adv Drug Deliv Rev 2022; 188:114403. [PMID: 35777667 DOI: 10.1016/j.addr.2022.114403] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 06/22/2022] [Accepted: 06/23/2022] [Indexed: 12/22/2022]
Abstract
Nanoparticles (NP) are attractive options for the therapeutic delivery of active pharmaceutical drugs, proteins and nucleic acids into cells, tissues and organs. Research into the development and application of NP most often starts with a diverse group of scientists, including chemists, bioengineers and material and pharmaceutical scientists, who design, fabricate and characterize NP in vitro (Stage 1). The next step (Stage 2) generally investigates cell toxicity as well as the processes by which NP bind, are internalized and deliver their cargo to appropriate model tissue culture cells. Subsequently, in Stage 3, selected NP are tested in animal systems, mostly mouse. Whereas the chemistry-based development and analysis in Stage 1 is increasingly sophisticated, the investigations in Stage 2 are not what could be regarded as 'state-of-the-art' for the cell biology field and the quality of research into NP interactions with cells is often sub-standard. In this review we describe our current understanding of the mechanisms by which particles gain entry into mammalian cells via endocytosis. We summarize the most important areas for concern, highlight some of the most common mis-conceptions, and identify areas where NP scientists could engage with trained cell biologists. Our survey of the different mechanisms of uptake into cells makes us suspect that claims for roles for caveolae, as well as macropinocytosis, in NP uptake into cells have been exaggerated, whereas phagocytosis has been under-appreciated.
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Affiliation(s)
- Gareth Griffiths
- Department Biosciences, University of Oslo, Blindernveien 31, PO Box 1041, 0316 Oslo, Norway.
| | - Jean Gruenberg
- Department of Biochemistry, University of Geneva, 30 quai E. Ansermet, 1211-Geneva-4, Switzerland
| | - Mark Marsh
- Laboratory for Molecular Cell Biology, University College London, Gower Street, London, WC1E 6BT, UK
| | - Jens Wohlmann
- Department Biosciences, University of Oslo, Blindernveien 31, PO Box 1041, 0316 Oslo, Norway
| | - Arwyn T Jones
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Redwood Building, Cardiff, Wales CF103NB, UK
| | - Robert G Parton
- Institute for Molecular Bioscience and Centre for Microscopy and Microanalysis, The University of Queensland, Qld 4072, Australia
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Evaluation of the Targeting and Therapeutic Efficiency of Anti-EGFR Functionalised Nanoparticles in Head and Neck Cancer Cells for Use in NIR-II Optical Window. Pharmaceutics 2021; 13:pharmaceutics13101651. [PMID: 34683944 PMCID: PMC8537270 DOI: 10.3390/pharmaceutics13101651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/29/2021] [Accepted: 10/04/2021] [Indexed: 11/16/2022] Open
Abstract
Gold nanoparticles have been indicated for use in a diagnostic and/or therapeutic role in several cancer types. The use of gold nanorods (AuNRs) with a surface plasmon resonance (SPR) in the second near-infrared II (NIR-II) optical window promises deeper anatomical penetration through increased maximum permissible exposure and lower optical attenuation. In this study, the targeting and therapeutic efficiency of anti-epidermal growth factor receptor (EGFR)-antibody-functionalised AuNRs with an SPR at 1064 nm was evaluated in vitro. Four cell lines, KYSE-30, CAL-27, Hep-G2 and MCF-7, which either over- or under-expressed EGFR, were used once confirmed by flow cytometry and immunofluorescence. Optical microscopy demonstrated a significant difference (p < 0.0001) between targeted AuNRs (tAuNRs) and untargeted AuNRs (uAuNRs) in all four cancer cell lines. This study demonstrated that anti-EGFR functionalisation significantly increased the association of tAuNRs with each EGFR-positive cancer cell. Considering this, the MTT assay showed that photothermal therapy (PTT) significantly increased cancer cell death (>97%) in head and neck cancer cell line CAL-27 using tAuNRs but not uAuNRs, apoptosis being the major mechanism of cell death. This successful targeting and therapeutic outcome highlight the future use of tAuNRs for molecular photoacoustic imaging or tumour treatment through plasmonic photothermal therapy.
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Zhan W, Li H, Guo Y, Yang L, Pang L, Zhang C. Hyaluronic acid functionalized biodegradable mesoporous silica nanocomposites for efficient photothermal and chemotherapy in breast cancer. NANOTECHNOLOGY 2021; 32:165703. [PMID: 33429376 DOI: 10.1088/1361-6528/abda74] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Chemotherapy is one of conventional treatment methods for breast cancer, but drug toxicity and side effects have severely limited its clinical applications. Photothermal therapy has emerged as a promising method that, upon combination with chemotherapy, can better treat breast cancer. In this context, a biodegradable mesoporous silica nanoparticle (bMSN NPs) system was developed for loading doxorubicin (DOX) and IR780, to be potentially applied in the treatment of breast cancer. IR780 is encapsulated in the pores of bMSN NPs by hydrophobic adsorption, while DOX is adsorbed on the surface of the bMSN NPs by hyaluronic acid electrostatically, to form the bMID NPs. Transmission electron microscopy, fluorescence spectrum and UV absorption spectrum are used to prove the successful encapsulation of IR780 and the loading of DOX. In vitro experiments have shown bMID NPs present an excellent therapeutic effect on breast cancer cells. In vivo fluorescence imaging results have indicated that bMID NPs can accumulate in tumor sites gradually and achieve in vivo long-term circulation and continuous drug release. Furthermore, bMID NPs have provided obvious antitumor effects in breast cancer mouse models, thus evolving as an efficient platform for breast cancer therapy.
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Affiliation(s)
- Wenhua Zhan
- Key Laboratory of Biomedical Information Engineering of Education Ministry, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, People's Republic of China
- Department of Radiation Oncology, General Hospital of Ningxia Medical University, Yinchuan 750004, People's Republic of China
| | - Hanrui Li
- Engineering Research Center of Molecular & Neuro Imaging of the Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710126, Shaanxi, People's Republic of China
| | - Yingying Guo
- Engineering Research Center of Molecular & Neuro Imaging of the Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710126, Shaanxi, People's Republic of China
| | - Lu Yang
- Engineering Research Center of Molecular & Neuro Imaging of the Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710126, Shaanxi, People's Republic of China
| | - Liaojun Pang
- Engineering Research Center of Molecular & Neuro Imaging of the Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710126, Shaanxi, People's Republic of China
| | - Chaolin Zhang
- Department of Radiation Oncology, General Hospital of Ningxia Medical University, Yinchuan 750004, People's Republic of China
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EGF Conjugation Improves Safety and Uptake Efficacy of Titanium Dioxide Nanoparticles. Molecules 2020; 25:molecules25194467. [PMID: 33003324 PMCID: PMC7583956 DOI: 10.3390/molecules25194467] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 09/25/2020] [Accepted: 09/27/2020] [Indexed: 01/10/2023] Open
Abstract
Titanium dioxide nanoparticles (TiO2 NPs) have a strong potential for cancer therapeutic and bioimaging applications such as photodynamic therapy (PDT) and photodynamic diagnosis (PDD). Our previous results have shown that TiO2 NPs have a low cellular uptake and can induce cell proliferation. This suggests that TiO2 NPs could increase the risk of tumor overgrowth while being used for PDD and PDT. To solve this problem, we constructed epidermal growth factor-ligated polyethylene glycol-coated TiO2 NPs (EGF-TiO2 PEG NPs). In this work, we studied the effect of EGF conjugation on the cellular uptake of TiO2 PEG NPs. Then, we investigated the effect of both non-conjugated and EGF-TiO2 PEG NPs on the A431 epidermal cancer cell line, proliferation and growth via the investigation of EGFR localization and expression. Our results indicated that TiO2 PEG NPs induced EGFRs aggregation on the A431 cells surface and induced cell proliferation. In addition, EGF-TiO2 PEG NPs induced the internalization of EGFRs inside of cells with increased cellular NPs uptake and decreased cellular proliferation compared to TiO2 PEG NPs-treated cells. These findings suggest that EGF conjugation can increase the efficacy of TiO2 PEG NPs for biomedical applications such as PDD and PDT with decreased risk of tumor overgrowth.
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Hwang J, Sullivan MO, Kiick KL. Targeted Drug Delivery via the Use of ECM-Mimetic Materials. Front Bioeng Biotechnol 2020; 8:69. [PMID: 32133350 PMCID: PMC7040483 DOI: 10.3389/fbioe.2020.00069] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Accepted: 01/27/2020] [Indexed: 12/14/2022] Open
Abstract
The use of drug delivery vehicles to improve the efficacy of drugs and to target their action at effective concentrations over desired periods of time has been an active topic of research and clinical investigation for decades. Both synthetic and natural drug delivery materials have facilitated locally controlled as well as targeted drug delivery. Extracellular matrix (ECM) molecules have generated widespread interest as drug delivery materials owing to the various biological functions of ECM. Hydrogels created using ECM molecules can provide not only biochemical and structural support to cells, but also spatial and temporal control over the release of therapeutic agents, including small molecules, biomacromolecules, and cells. In addition, the modification of drug delivery carriers with ECM fragments used as cell-binding ligands has facilitated cell-targeted delivery and improved the therapeutic efficiency of drugs through interaction with highly expressed cellular receptors for ECM. The combination of ECM-derived hydrogels and ECM-derived ligand approaches shows synergistic effects, leading to a great promise for the delivery of intracellular drugs, which require specific endocytic pathways for maximal effectiveness. In this review, we provide an overview of cellular receptors that interact with ECM molecules and discuss examples of selected ECM components that have been applied for drug delivery in both local and systemic platforms. Finally, we highlight the potential impacts of utilizing the interaction between ECM components and cellular receptors for intracellular delivery, particularly in tissue regeneration applications.
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Affiliation(s)
- Jeongmin Hwang
- Department of Biomedical Engineering, University of Delaware, Newark, DE, United States
| | - Millicent O. Sullivan
- Department of Biomedical Engineering, University of Delaware, Newark, DE, United States
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE, United States
| | - Kristi L. Kiick
- Department of Materials Science and Engineering, University of Delaware, Newark, DE, United States
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10
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The Effects of TiO 2 Nanoparticles on Cisplatin Cytotoxicity in Cancer Cell Lines. Int J Mol Sci 2020; 21:ijms21020605. [PMID: 31963452 PMCID: PMC7013663 DOI: 10.3390/ijms21020605] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 01/10/2020] [Accepted: 01/15/2020] [Indexed: 12/15/2022] Open
Abstract
There have been many studies on improving the efficacy of cisplatin and on identifying safe compounds that can overcome multi-drug resistance (MDR) acquired by cancer cells. Our previous research showed that polyethylene glycol-modified titanium dioxide nanoparticles (TiO2 PEG NPs) affect cell membrane receptors, resulting in their aggregation, altered localization and downregulation. TiO2 PEG NPs may affect P-glycoprotein (P-gp), a membrane efflux channel involved in MDR. In this study, we investigated the effect of TiO2 PEG NPs on cisplatin cytotoxicity. We used HepG2 cells, which highly express P-gp and A431 cells, which show low expression of P-gp. The results showed that 10 µg/mL 100 nm TiO2 PEG NPs increased intracellular cisplatin levels and cytotoxicity in HepG2 cells but not in A431 cells. TiO2 PEG NPs treatment decreased the expression level of P-gp in HepG2 cells. Our findings indicate that TiO2 PEG NPs enhance cisplatin cytotoxicity by down regulating P-gp and that TiO2 PEG NPs are promising candidates for inhibiting P-gp and reversing drug resistance acquired by cancer cells.
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11
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Wang J, Saha S, Schaal JL, Yousefpour P, Li X, Chilkoti A. Heuristics for the Optimal Presentation of Bioactive Peptides on Polypeptide Micelles. NANO LETTERS 2019; 19:7977-7987. [PMID: 31642326 DOI: 10.1021/acs.nanolett.9b03141] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Bioactive peptides describe a very large group of compounds with diverse functions and wide applications, and their multivalent display by nanoparticles can maximize their activities. However, the lack of a universal nanoparticle platform and design rules for their optimal presentation limits the development and application of peptide ligand-decorated nanoparticles. To address this need, we developed a multivalent nanoparticle platform to study the impact of nanoparticle surface hydrophilicity and charge on peptide targeting and internalization by tumor cells. This system consists of micelles of a recombinant elastin-like polypeptide diblock copolymer (ELPBC) that present genetically encoded peptides at the micelle surface without perturbing the size, shape, stability, or peptide valency of the micelle, regardless of the peptide type. We created the largest extant set of 98 combinations of 15 tumor-homing peptides that are presented on the corona of this ELPBC micelle via 8 different peptide linkers that vary in their length and charge and also created control micelles that present the linker only. Analysis of the structure-function relationship of tumor cell targeting by this set of peptide-decorated nanoparticles enabled us to derive heuristics to optimize the delivery of peptides based on their physicochemical properties and to identify a peptide that is likely to be a widely useful ligand for targeting across nanoparticle types. This study shows that ELPBC micelles are a robust and convenient system for the presentation of diverse peptides and provides useful insights into the appropriate presentation of structurally diverse peptide ligands on nanoparticles based on their physicochemical properties.
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Affiliation(s)
| | | | | | | | | | - Ashutosh Chilkoti
- Department of Biomedical Engineering , Duke University , Durham , North Carolina 27708 , United States
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12
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Wu C, Wu Y, Jin Y, Zhu P, Shi W, Li J, Wu Q, Zhang Q, Han Y, Zhao X. Endosomal/lysosomal location of organically modified silica nanoparticles following caveolae-mediated endocytosis. RSC Adv 2019; 9:13855-13862. [PMID: 35519602 PMCID: PMC9063904 DOI: 10.1039/c9ra00404a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 04/16/2019] [Indexed: 11/21/2022] Open
Abstract
Organically modified silica (ORMOSIL) nanoparticles (NPs) are widely used in biomedicine.
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Affiliation(s)
- Changyue Wu
- School of Medicine
- Nantong University
- Nantong 226019
- China
| | - Yifan Wu
- School of Public Health
- Nantong University
- Nantong 226019
- China
| | - Yang Jin
- School of Public Health
- Nantong University
- Nantong 226019
- China
| | - Piaoyu Zhu
- School of Public Health
- Nantong University
- Nantong 226019
- China
| | - Weiwei Shi
- Nantong Hospital of Traditional Chinese Medicine
- Nantong 226001
- China
| | - Jinlong Li
- School of Pharmacy
- Nantong University
- Nantong 226019
- China
| | - Qiyun Wu
- School of Public Health
- Nantong University
- Nantong 226019
- China
| | - Qinglin Zhang
- Departments of Gastroenterology
- Wuxi People's Hospital Affiliated to Nanjing Medical University
- Wuxi 214023
- China
| | - Yu Han
- School of Public Health
- Nantong University
- Nantong 226019
- China
| | - Xinyuan Zhao
- School of Public Health
- Nantong University
- Nantong 226019
- China
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13
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Tan YF, Lee YS, Seet LF, Ng KW, Wong TT, Venkatraman S. Design and in vitro release study of siRNA loaded Layer by Layer nanoparticles with sustained gene silencing effect. Expert Opin Drug Deliv 2018; 15:937-949. [PMID: 30173580 DOI: 10.1080/17425247.2018.1518426] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVES Clinical translation of siRNA therapeutics has been severely limited due to the lack of stable and sustained siRNA delivery systems. Furthermore, when nanocarrier systems with siRNA are administered systemically to treat diseases, insufficient doses reach the target tissue. Here we report the successful development of a new nanocarrier system for the management of fibrosis. METHODS The new carrier has a hydroxyapatite core, with alternating layers of siRNA and a cationic peptide. The siRNA used here targets secreted protein acidic and rich in cysteine (SPARC), a key matricellular protein involved in the regulation of collagen fibrillogenesis and assembly. We have also used FRET studies to elucidate the fate of the particles inside cells, including the mechanistic details of layer-by-layer detachment. RESULTS In vitro studies using murine conjunctiva fibroblasts show sustained release over 2 weeks, and that such released siRNA sustained SPARC knockdown without affecting cell growth, and maintained siRNA presence in the cells for at least two weeks with a single-dose treatment. Release studies of siRNA from particles in vitro gave insight on how the particles delivered prolonged gene-silencing effects. CONCLUSION A single treatment of the layer-by-layer nanoparticle designed can achieve sustained gene silencing over 2 weeks. Localized delivery of stabilized siRNA with sustained-release capabilities opens the door for many other applications of siRNA-based gene regulation.
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Affiliation(s)
- Yang Fei Tan
- a School of Materials Science and Engineering , Nanyang Technological University , Singapore
| | - Ying Shi Lee
- b Ocular Therapeutics and Drug Delivery , Singapore Eye Research Institute , Singapore
| | - Li-Fong Seet
- b Ocular Therapeutics and Drug Delivery , Singapore Eye Research Institute , Singapore.,c Department of Ophthalmology, Yong Loo Lin School of Medicine , National University of Singapore , Singapore.,d Duke-NUS Medical School , Singapore
| | - Kee Woei Ng
- a School of Materials Science and Engineering , Nanyang Technological University , Singapore
| | - Tina T Wong
- a School of Materials Science and Engineering , Nanyang Technological University , Singapore.,b Ocular Therapeutics and Drug Delivery , Singapore Eye Research Institute , Singapore.,c Department of Ophthalmology, Yong Loo Lin School of Medicine , National University of Singapore , Singapore.,d Duke-NUS Medical School , Singapore.,e Glaucoma Service , Singapore National Eye Centre , Singapore
| | - Subbu Venkatraman
- a School of Materials Science and Engineering , Nanyang Technological University , Singapore.,b Ocular Therapeutics and Drug Delivery , Singapore Eye Research Institute , Singapore.,f NTU-Northwestern University Institute for Nanomedicine , Singapore.,g MedTech , National Heart Centre , Singapore
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