1
|
Xie C, Kang P, Cazals J, Castelán OM, Randrianalisoa J, Qin Z. Single pulse heating of a nanoparticle array for biological applications. NANOSCALE ADVANCES 2022; 4:2090-2097. [PMID: 35530423 PMCID: PMC9063739 DOI: 10.1039/d1na00766a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Accepted: 02/07/2022] [Indexed: 06/14/2023]
Abstract
With the ability to convert external excitation into heat, nanomaterials play an essential role in many biomedical applications. Two modes of nanoparticle (NP) array heating, nanoscale-confined heating (NCH) and macroscale-collective heating (MCH), have been found and extensively studied. Despite this, the resulting biological response at the protein level remains elusive. In this study, we developed a computational model to systematically investigate the single-pulsed heating of the NP array and corresponding protein denaturation/activation. We found that NCH may lead to targeted protein denaturation, however, nanoparticle heating does not lead to nanoscale selective TRPV1 channel activation. The excitation duration and NP concentration are primary factors that determine a window for targeted protein denaturation, and together with heating power, we defined quantified boundaries for targeted protein denaturation. Our results boost our understandings of the NCH and MCH under realistic physical constraints and provide robust guidance to customize biomedical platforms with desired NP heating.
Collapse
Affiliation(s)
- Chen Xie
- Department of Mechanical Engineering, University of Texas at Dallas800 West Campbell Road EW31RichardsonTexas 75080USA
| | - Peiyuan Kang
- Department of Mechanical Engineering, University of Texas at Dallas800 West Campbell Road EW31RichardsonTexas 75080USA
| | - Johan Cazals
- Department of Mechanical Engineering, University of Texas at Dallas800 West Campbell Road EW31RichardsonTexas 75080USA
| | - Omar Morales Castelán
- Department of Mechanical Engineering, University of Texas at Dallas800 West Campbell Road EW31RichardsonTexas 75080USA
| | - Jaona Randrianalisoa
- Institut de Thermique, Mécanique, Matériaux (ITheMM EA 7548), University of Reims Champagne-ArdenneReimsCedex 251687France
| | - Zhenpeng Qin
- Department of Mechanical Engineering, University of Texas at Dallas800 West Campbell Road EW31RichardsonTexas 75080USA
- Department of Bioengineering, Center for Advanced Pain Studies, University of Texas at Dallas800 West Campbell RoadRichardsonTexas 75080USA
- Department of Surgery, University of Texas at Southwestern Medical Center5323 Harry Hines BoulevardDallasTexas 75390USA
| |
Collapse
|
2
|
An Engineered Nanocomplex with Photodynamic and Photothermal Synergistic Properties for Cancer Treatment. Int J Mol Sci 2022; 23:ijms23042286. [PMID: 35216400 PMCID: PMC8874418 DOI: 10.3390/ijms23042286] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/17/2022] [Accepted: 02/17/2022] [Indexed: 02/01/2023] Open
Abstract
Photodynamic therapy (PDT) and photothermal therapy (PTT) are promising therapeutic methods for cancer treatment; however, as single modality therapies, either PDT or PTT is still limited in its success rate. A dual application of both PDT and PTT, in a combined protocol, has gained immense interest. In this study, gold nanoparticles (AuNPs) were conjugated with a PDT agent, meso-tetrahydroxyphenylchlorin (mTHPC) photosensitizer, designed as nanotherapeutic agents that can activate a dual photodynamic/photothermal therapy in SH-SY5Y human neuroblastoma cells. The AuNP-mTHPC complex is biocompatible, soluble, and photostable. PDT efficiency is high because of immediate reactive oxygen species (ROS) production upon mTHPC activation by the 650-nm laser, which decreased mitochondrial membrane potential (∆ψm). Likewise, the AuNP-mTHPC complex is used as a photoabsorbing (PTA) agent for PTT, due to efficient plasmon absorption and excellent photothermal conversion characteristics of AuNPs under laser irradiation at 532 nm. Under the laser irradiation of a PDT/PTT combination, a twofold phototoxicity outcome follows, compared to PDT-only or PTT-only treatment. This indicates that PDT and PTT have synergistic effects together as a combined therapeutic method. Our study aimed at applying the AuNP-mTHPC approach as a potential treatment of cancer in the biomedical field.
Collapse
|
3
|
Beiderman M, Ashkenazy A, Segal E, Motiei M, Salomon A, Sadan T, Fixler D, Popovtzer R. Optimization of Gold Nanorod Features for the Enhanced Performance of Plasmonic Nanocavity Arrays. ACS OMEGA 2021; 6:29071-29077. [PMID: 34746596 PMCID: PMC8567385 DOI: 10.1021/acsomega.1c04301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 09/22/2021] [Indexed: 06/13/2023]
Abstract
Nanoplasmonic biosensors incorporating noble metal nanocavity arrays are widely used for the detection of various biomarkers. Gold nanorods (GNRs) have unique properties that can enhance spectroscopic detection capabilities of such nanocavity-based biosensors. However, the contribution of the physical properties of multiple GNRs to resonance enhancement of gold nanocavity arrays requires further characterization and elucidation. In this work, we study how GNR aspect ratio (AR) and surface area (SA) modify the plasmonic resonance spectrum of a gold triangular nanocavity array by both simulations and experiments. The finite integration technique (FIT) simulated the extinction spectrum of the gold nanocavity array with 300 nm periodicity onto which the GNRs of different ARs and SAs are placed. Simulations showed that matching of the GNRs longitudinal peak, which is affected by AR, to the nanocavity array's spectrum minima can optimize signal suppression and shifting. Moreover, increasing SA of the matched GNRs increased the spectral variations of the array. Experiments confirmed that GNRs conjugated to a gold triangular nanocavity array of 300 nm periodicity caused spectrum suppression and redshift. Our findings demonstrate that tailoring of the GNR AR and SA parameters to nanoplasmonic arrays has the potential to greatly improve spectral variations for enhanced plasmonic biosensing.
Collapse
Affiliation(s)
- Marianna Beiderman
- Faculty
of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel
| | - Ariel Ashkenazy
- Faculty
of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel
| | - Elad Segal
- Department
of Chemistry, Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel
| | - Menachem Motiei
- Faculty
of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel
| | - Adi Salomon
- Department
of Chemistry, Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel
| | - Tamar Sadan
- Faculty
of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel
| | - Dror Fixler
- Faculty
of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel
| | - Rachela Popovtzer
- Faculty
of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel
| |
Collapse
|
4
|
Shamalov K, Meir R, Motiei M, Popovtzer R, Cohen CJ. Noninvasive Tracking of Natural Killer Cells Using Gold Nanoparticles. ACS OMEGA 2021; 6:28507-28514. [PMID: 34746546 PMCID: PMC8567284 DOI: 10.1021/acsomega.1c02143] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 07/13/2021] [Indexed: 05/27/2023]
Abstract
Natural killer (NK)-cell-based immunotherapy is emerging as an attractive approach for cancer treatment. However, to facilitate and expedite clinical implementation, important questions must be answered regarding the in vivo functionality and trafficking patterns of the transferred cells. We have recently developed a noninvasive cell-tracking technique, based on gold nanoparticles (GNPs) as cell-labeling and contrast agents for whole-body computed tomography (CT) imaging. Herein, we report the implementation of this technique for longitudinal and quantitative tracking of NK cell kinetics, the migration and biodistribution in tumor-bearing mice. NK cells were successfully labeled with GNPs, without impairing their biological function, as assessed both in vitro, by cytokine release and cytotoxicity assays, and in vivo, using a xenograft model of human tumors. Using CT, we longitudinally tracked the migration of intravenously injected NK cells and observed an accumulation of effector cell clusters at the tumor site, up to 72 h. Fluorescence imaging of the cells over time correlated with ex vivo quantitative analysis of gold content in the tumor, validating the accuracy and reliability of our technique. Our cell-tracking approach thus offers a valuable tool for preclinical studies, as well as for clinical applications, to elucidate the fate of NK cells and promote the implementation of NK-cell-based immunotherapy.
Collapse
Affiliation(s)
- Katerina Shamalov
- Laboratory
of Tumor Immunology and Immunotherapy, Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan 52900, Israel
| | - Rinat Meir
- Faculty
of Engineering & the Institute of Nanotechnology and Advanced
Materials, Bar-Ilan University, Ramat Gan 52900, Israel
| | - Menachem Motiei
- Faculty
of Engineering & the Institute of Nanotechnology and Advanced
Materials, Bar-Ilan University, Ramat Gan 52900, Israel
| | - Rachela Popovtzer
- Faculty
of Engineering & the Institute of Nanotechnology and Advanced
Materials, Bar-Ilan University, Ramat Gan 52900, Israel
| | - Cyrille J. Cohen
- Laboratory
of Tumor Immunology and Immunotherapy, Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan 52900, Israel
| |
Collapse
|
5
|
Levin T, Lampel Y, Savyon G, Levy E, Harel Y, Elias Y, Sinvani M, Nachman I, Lellouche JP. Innovative functional polymerization of pyrrole-N-propionic acid onto WS 2 nanotubes using cerium-doped maghemite nanoparticles for photothermal therapy. Sci Rep 2021; 11:18883. [PMID: 34556680 PMCID: PMC8460730 DOI: 10.1038/s41598-021-97052-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/30/2021] [Indexed: 11/15/2022] Open
Abstract
Tungsten disulfide nanotubes (WS2-NTs) were found to be very active for photothermal therapy. However, their lack of stability in aqueous solutions inhibits their use in many applications, especially in biomedicine. Few attempts were made to chemically functionalize the surface of the NTs to improve their dispersability. Here, we present a new polymerization method using cerium-doped maghemite nanoparticles (CM-NPs) as magnetic nanosized linkers between the WS2-NT surface and pyrrole-N-propionic acid monomers, which allow in situ polymerization onto the composite surface. This unique composite is magnetic, and contains two active entities for photothermal therapy—WS2 and the polypyrrole. The photothermal activity of the composite was tested at a wavelength of 808 nm, and significant thermal activity was observed. Moreover, the polycarboxylated polymeric coating of the NTs enables effective linkage of additional molecules or drugs via covalent bonding. In addition, a new method was established for large-scale synthesis of CM-NPs and WS2-NT-CM composites.
Collapse
Affiliation(s)
- Tzuriel Levin
- Institute of Nanotechnology and Advanced Materials and Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, 5290002, Ramat Gan, Israel
| | - Yakir Lampel
- Institute of Nanotechnology and Advanced Materials and Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, 5290002, Ramat Gan, Israel
| | - Gaya Savyon
- School of Neurobiology, Biochemistry and Biophysics, George S. Wise Faculty of Life Sciences, Tel Aviv University, 6997801, Tel Aviv, Israel
| | - Esthy Levy
- Institute of Nanotechnology and Advanced Materials and Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, 5290002, Ramat Gan, Israel
| | - Yifat Harel
- Institute of Nanotechnology and Advanced Materials and Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, 5290002, Ramat Gan, Israel
| | - Yuval Elias
- Institute of Nanotechnology and Advanced Materials and Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, 5290002, Ramat Gan, Israel
| | - Moshe Sinvani
- Faculty of Engineering and the Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, 5290002, Ramat Gan, Israel
| | - Iftach Nachman
- School of Neurobiology, Biochemistry and Biophysics, George S. Wise Faculty of Life Sciences, Tel Aviv University, 6997801, Tel Aviv, Israel
| | - Jean-Paul Lellouche
- Institute of Nanotechnology and Advanced Materials and Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, 5290002, Ramat Gan, Israel.
| |
Collapse
|
6
|
Goldman E, Zinger A, da Silva D, Yaari Z, Kajal A, Vardi-Oknin D, Goldfeder M, Schroeder JE, Shainsky-Roitman J, Hershkovitz D, Schroeder A. Nanoparticles target early-stage breast cancer metastasis in vivo. NANOTECHNOLOGY 2017; 28:43LT01. [PMID: 28872058 DOI: 10.1088/1361-6528/aa8a3d] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Despite advances in cancer therapy, treating cancer after it has metastasized remains an unmet clinical challenge. In this study we demonstrate that 100 nm liposomes target triple-negative murine breast-cancer metastases post intravenous administration. Metastatic breast cancer was induced in BALB/c mice either experimentally, by a tail vein injection of 4T1 cells, or spontaneously, after implanting a primary tumor xenograft. To track their biodistribution in vivo the liposomes were labeled with multi-modal diagnostic agents, including indocyanine green and rhodamine for whole-animal fluorescent imaging, gadolinium for magnetic resonance imaging (MRI), and europium for a quantitative biodistribution analysis. The accumulation of liposomes in the metastases peaked at 24 h post the intravenous administration, similar to the time they peaked in the primary tumor. The efficiency of liposomal targeting to the metastatic tissue exceeded that of a non-liposomal agent by 4.5-fold. Liposomes were detected at very early stages in the metastatic progression, including metastatic lesions smaller than 2 mm in diameter. Surprisingly, while nanoparticles target breast cancer metastasis, they may also be found in elevated levels in the pre-metastatic niche, several days before metastases are visualized by MRI or histologically in the tissue. This study highlights the promise of diagnostic and therapeutic nanoparticles for treating metastatic cancer, possibly even for preventing the onset of the metastatic dissemination by targeting the pre-metastatic niche.
Collapse
Affiliation(s)
- Evgeniya Goldman
- Laboratory for Targeted Drug Delivery and Personalized Medicine Technologies, Department of Chemical Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel. The Interdisciplinary Program for Biotechnology, Technion-Israel Institute of Technology, Haifa, Israel
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
7
|
Danan Y, Yariv I, Zalevsky Z, Sinvani M. Improved Margins Detection of Regions Enriched with Gold Nanoparticles inside Biological Phantom. MATERIALS (BASEL, SWITZERLAND) 2017; 10:E203. [PMID: 28772563 PMCID: PMC5459194 DOI: 10.3390/ma10020203] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Revised: 02/12/2017] [Accepted: 02/14/2017] [Indexed: 02/06/2023]
Abstract
Utilizing the surface plasmon resonance (SPR) effect of gold nanoparticles (GNPs) enables their use as contrast agents in a variety of biomedical applications for diagnostics and treatment. These applications use both the very strong scattering and absorption properties of the GNPs due to their SPR effects. Most imaging methods use the light-scattering properties of the GNPs. However, the illumination source is in the same wavelength of the GNPs' scattering wavelength, leading to background noise caused by light scattering from the tissue. In this paper we present a method to improve border detection of regions enriched with GNPs aiming for the real-time application of complete tumor resection by utilizing the absorption of specially targeted GNPs using photothermal imaging. Phantoms containing different concentrations of GNPs were irradiated with a continuous-wave laser and measured with a thermal imaging camera which detected the temperature field of the irradiated phantoms. By modulating the laser illumination, and use of a simple post processing, the border location was identified at an accuracy of better than 0.5 mm even when the surrounding area got heated. This work is a continuation of our previous research.
Collapse
Affiliation(s)
- Yossef Danan
- Faculty of Engineering, Bar-Ilan University, Ramat-Gan 5290002, Israel.
- The Bar-Ilan Institute of Nanotechnology & Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel.
| | - Inbar Yariv
- Faculty of Engineering, Bar-Ilan University, Ramat-Gan 5290002, Israel.
- The Bar-Ilan Institute of Nanotechnology & Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel.
| | - Zeev Zalevsky
- Faculty of Engineering, Bar-Ilan University, Ramat-Gan 5290002, Israel.
- The Bar-Ilan Institute of Nanotechnology & Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel.
| | - Moshe Sinvani
- Faculty of Engineering, Bar-Ilan University, Ramat-Gan 5290002, Israel.
- The Bar-Ilan Institute of Nanotechnology & Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel.
| |
Collapse
|
8
|
Birtoiu IA, Rizea C, Togoe D, Munteanu RM, Micsa C, Rusu MI, Tautan M, Braic L, Scoicaru LO, Parau A, Becherescu-Barbu ND, Udrea MV, Tonetto A, Notonier R, Grigorescu CEA. Diagnosing clean margins through Raman spectroscopy in human and animal mammary tumour surgery: a short review. Interface Focus 2016; 6:20160067. [PMID: 27920899 DOI: 10.1098/rsfs.2016.0067] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Breast cancer frequency in human and other mammal female populations has worryingly increased lately. The acute necessity for taxonomy of the aetiological factors along with seeking for new diagnostic tools and therapy procedures aimed at reducing mortality have yielded in an intense research effort worldwide. Surgery is a regular method to counteract extensive development of breast cancer and prevent metastases provided that negative surgical margins are achieved. This highly technical challenge requires fast, extremely sensitive and selective discrimination between malignant and benign tissues even down to molecular level. The particular advantages of Raman spectroscopy, such as high chemical specificity, and the ability to measure raw samples and optical responses in the visible or near-infrared spectral range, have recently recommended it as a means with elevated potential in precise diagnostic in oncology surgery. This review spans mainly the latter 10 years of exceptional efforts of scientists implementing Raman spectroscopy as a nearly real-time diagnostic tool for clean margins assessment in mastectomy and lumpectomy. Although greatly contributing to medical discoveries for the wealth of humanity, animals as patients have benefitted less from advances in surgery diagnostic using Raman spectroscopy. This work also dedicates a few lines to applications of surface enhanced Raman spectroscopy in veterinary oncological surgery.
Collapse
Affiliation(s)
- I A Birtoiu
- Faculty of Veterinary Medicine-University of Agronomic Sciences and Veterinary Medicine , Bucharest , Romania
| | - C Rizea
- ROXY VETERINARY S.R.L , Magurele , Romania
| | - D Togoe
- Faculty of Veterinary Medicine-University of Agronomic Sciences and Veterinary Medicine , Bucharest , Romania
| | - R M Munteanu
- Faculty of Veterinary Medicine-University of Agronomic Sciences and Veterinary Medicine , Bucharest , Romania
| | - C Micsa
- Faculty of Veterinary Medicine-University of Agronomic Sciences and Veterinary Medicine , Bucharest , Romania
| | - M I Rusu
- National Institute of Research and Development for Optoelectronics INOE 2000 , Magurele , Romania
| | - M Tautan
- National Institute of Research and Development for Optoelectronics INOE 2000 , Magurele , Romania
| | - L Braic
- National Institute of Research and Development for Optoelectronics INOE 2000 , Magurele , Romania
| | - L O Scoicaru
- National Institute of Research and Development for Optoelectronics INOE 2000 , Magurele , Romania
| | - A Parau
- National Institute of Research and Development for Optoelectronics INOE 2000 , Magurele , Romania
| | - N D Becherescu-Barbu
- APEL LASER S.R.L., Bucharest, Romania; Faculty of Physics, University of Bucharest, Bucharest, Romania
| | - M V Udrea
- APEL LASER S.R.L. , Bucharest , Romania
| | - A Tonetto
- Aix-Marseille Université , Centrale Marseille, CNRS, Fédération Sciences Chimiques Marseille (FR 1739) - PRATIM, 13000 Marseille , France
| | - R Notonier
- Aix-Marseille Université , Centrale Marseille, CNRS, Fédération Sciences Chimiques Marseille (FR 1739) - PRATIM, 13000 Marseille , France
| | - C E A Grigorescu
- National Institute of Research and Development for Optoelectronics INOE 2000 , Magurele , Romania
| |
Collapse
|
9
|
Vegerhof A, Barnoy EA, Motiei M, Malka D, Danan Y, Zalevsky Z, Popovtzer R. Targeted Magnetic Nanoparticles for Mechanical Lysis of Tumor Cells by Low-Amplitude Alternating Magnetic Field. MATERIALS 2016; 9:ma9110943. [PMID: 28774062 PMCID: PMC5457194 DOI: 10.3390/ma9110943] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 10/30/2016] [Accepted: 11/17/2016] [Indexed: 11/16/2022]
Abstract
Currently available cancer therapies can cause damage to healthy tissue. We developed a unique method for specific mechanical lysis of cancer cells using superparamagnetic iron oxide nanoparticle rotation under a weak alternating magnetic field. Iron oxide core nanoparticles were coated with cetuximab, an anti-epidermal growth factor receptor antibody, for specific tumor targeting. Nude mice bearing a head and neck tumor were treated with cetuximab-coated magnetic nanoparticles (MNPs) and then received a 30 min treatment with a weak external alternating magnetic field (4 Hz) applied on alternating days (total of seven treatments, over 14 days). This treatment, compared to a pure antibody, exhibited a superior cell death effect over time. Furthermore, necrosis in the tumor site was detected by magnetic resonance (MR) images. Thermal camera images of head and neck squamous cell carcinoma cultures demonstrated that cell death occurred purely by a mechanical mechanism.
Collapse
Affiliation(s)
- Adi Vegerhof
- Faculty of Engineering & The Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel.
| | - Eran A Barnoy
- Faculty of Engineering & The Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel.
| | - Menachem Motiei
- Faculty of Engineering & The Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel.
| | - Dror Malka
- Faculty of Engineering Holon Institute of Technology, Holon 5810201, Israel.
| | - Yossef Danan
- Faculty of Engineering & The Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel.
| | - Zeev Zalevsky
- Faculty of Engineering & The Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel.
| | - Rachela Popovtzer
- Faculty of Engineering & The Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel.
| |
Collapse
|
10
|
Motiei M, Dreifuss T, Betzer O, Panet H, Popovtzer A, Santana J, Abourbeh G, Mishani E, Popovtzer R. Differentiating Between Cancer and Inflammation: A Metabolic-Based Method for Functional Computed Tomography Imaging. ACS NANO 2016; 10:3469-77. [PMID: 26886076 DOI: 10.1021/acsnano.5b07576] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
One of the main limitations of the highly used cancer imaging technique, PET-CT, is its inability to distinguish between cancerous lesions and post treatment inflammatory conditions. The reason for this lack of specificity is that [(18)F]FDG-PET is based on increased glucose metabolic activity, which characterizes both cancerous tissues and inflammatory cells. To overcome this limitation, we developed a nanoparticle-based approach, utilizing glucose-functionalized gold nanoparticles (GF-GNPs) as a metabolically targeted CT contrast agent. Our approach demonstrates specific tumor targeting and has successfully distinguished between cancer and inflammatory processes in a combined tumor-inflammation mouse model, due to dissimilarities in angiogenesis occurring under different pathologic conditions. This study provides a set of capabilities in cancer detection, staging and follow-up, and can be applicable to a wide range of cancers that exhibit high metabolic activity.
Collapse
Affiliation(s)
- Menachem Motiei
- Faculty of Engineering and the Institutes of Nanotechnology & Advanced Materials, Bar-Ilan University , Ramat-Gan 5290002, Israel
| | - Tamar Dreifuss
- Faculty of Engineering and the Institutes of Nanotechnology & Advanced Materials, Bar-Ilan University , Ramat-Gan 5290002, Israel
| | - Oshra Betzer
- Faculty of Engineering and the Institutes of Nanotechnology & Advanced Materials, Bar-Ilan University , Ramat-Gan 5290002, Israel
| | - Hana Panet
- Faculty of Engineering and the Institutes of Nanotechnology & Advanced Materials, Bar-Ilan University , Ramat-Gan 5290002, Israel
| | - Aron Popovtzer
- Davidoff Cancer Center, Rabin Medical Center , Beilinson Campus, Petah Tiqwa 4941492, Israel
| | - Jordan Santana
- Faculty of Engineering and the Institutes of Nanotechnology & Advanced Materials, Bar-Ilan University , Ramat-Gan 5290002, Israel
| | - Galith Abourbeh
- Cyclotron-Radiochemistry-MicroPET Unit, Hadassah-Hebrew University Hospital , Jerusalem 91120, Israel
| | - Eyal Mishani
- Cyclotron-Radiochemistry-MicroPET Unit, Hadassah-Hebrew University Hospital , Jerusalem 91120, Israel
| | - Rachela Popovtzer
- Faculty of Engineering and the Institutes of Nanotechnology & Advanced Materials, Bar-Ilan University , Ramat-Gan 5290002, Israel
| |
Collapse
|
11
|
Ankri R, Ashkenazy A, Milstein Y, Brami Y, Olshinka A, Goldenberg-Cohen N, Popovtzer A, Fixler D, Hirshberg A. Gold Nanorods Based Air Scanning Electron Microscopy and Diffusion Reflection Imaging for Mapping Tumor Margins in Squamous Cell Carcinoma. ACS NANO 2016; 10:2349-56. [PMID: 26759920 DOI: 10.1021/acsnano.5b07114] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
A critical challenge arising during a surgical procedure for tumor removal is the determination of tumor margins. Gold nanorods (GNRs) conjugated to epidermal growth factor receptors (EGFR) (GNRs-EGFR) have long been used in the detection of cancerous cells as the expression of EGFR dramatically increases once the tissue becomes cancerous. Optical techniques for the identification of these GNRs-EGFR in tumor are intensively developed based on the unique scattering and absorption properties of the GNRs. In this study, we investigate the distribution of the GNRs in tissue sections presenting squamous cell carcinoma (SCC) to evaluate the SCC margins. Air scanning electron microscopy (airSEM), a novel, high resolution microscopy is used, enabling to localize and actually visualize nanoparticles on the tissue. The airSEM pictures presented a gradient of GNRs from the tumor to normal epithelium, spread in an area of 1 mm, suggesting tumor margins of 1 mm. Diffusion reflection (DR) measurements, performed in a resolution of 1 mm, of human oral SCC have shown a clear difference between the DR profiles of the healthy epithelium and the tumor itself.
Collapse
Affiliation(s)
- Rinat Ankri
- Faculty of Engineering and Institute of Nanotechnology and Advanced Materials, Bar-Ilan University , Ramat-Gan 5290002, Israel
| | - Ariel Ashkenazy
- Faculty of Engineering and Institute of Nanotechnology and Advanced Materials, Bar-Ilan University , Ramat-Gan 5290002, Israel
| | | | | | - Asaf Olshinka
- Department of Plastic Surgery, Rabin Medical Center , Petach Tikva 4941492, Israel
| | - Nitza Goldenberg-Cohen
- Pediatric Unit, Ophthalmology Department, Schneider Children's Medical Center of Israel, Petach Tikva, Israel and the Sackler Faculty of Medicine, Tel Aviv University , Tel Aviv 6997801, Israel
| | - Aron Popovtzer
- Davidoff Cancer Center, Rabin Medical Center , Beilinson Campus, Petah Tiqwa 4941492, Israel
| | - Dror Fixler
- Faculty of Engineering and Institute of Nanotechnology and Advanced Materials, Bar-Ilan University , Ramat-Gan 5290002, Israel
| | - Abraham Hirshberg
- Department of Oral Pathology and Oral Medicine, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University , Tel Aviv 6423906, Israel
| |
Collapse
|
12
|
Domey J, Teichgräber U, Hilger I. Gold nanoparticles allow detection of early-stage edema in mice via computed tomography imaging. Int J Nanomedicine 2015; 10:3803-14. [PMID: 26082631 PMCID: PMC4459621 DOI: 10.2147/ijn.s77383] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Due to their high X-ray attenuation, gold nanoparticles (GNPs) emerged as preclinical contrast agents by giving high vasculature contrast. For this reason, GNPs are regularly applied for computed tomography (CT) imaging of tumors but not for the visualization of inflammation. The aim of this study was to evaluate the biocompatibility and applicability of preclinical GNPs (AuroVist™) of two different sizes (1.9 nm and 15 nm) for the detection of inflammation-associated phagocytes in early-stage edema. Both GNP variants were stable under in vitro conditions and achieved high micro-CT (mCT) contrast after embedment into agarose. Fifteen-nanometer GNPs were detected after uptake into macrophages via mCT imaging exhibiting higher X-ray contrast than cells treated with 1.9 nm GNPs and untreated ones. Both 1.9 nm and 15 nm GNPs exhibited good biocompatibility on murine macrophages according to ATP and cellular dehydrogenase levels. Reactive oxygen species levels produced by phagocytic cells decreased significantly (P≤0.05) after co-incubation with GNPs regardless of the size of the nanoparticle (NP) in comparison to untreated control cells. In vivo mCT studies of inflammation imaging revealed that GNPs with a diameter of 15 nm accumulated within subcutaneous edema 2 hours after injection with a maximum signaling 8 hours postinjection and could be detected up to 48 hours within the edema region. In contrast, 1.9 nm GNPs were not shown to accumulate at the site of the inflammation region and were mostly excreted via the renal system 2–4 hours after injection. In conclusion, our study demonstrated that both GNP variants (1.9 nm and 15 nm) were stable and biocompatible under in vitro conditions. However, only 15 nm NPs have the potential as contrast agent for phagocyte labeling and applications in CT imaging of inflammation on a cellular level.
Collapse
Affiliation(s)
- Jenny Domey
- Institute of Diagnostic and Interventional Radiology, University Hospital Jena, Jena, Germany
| | - Ulf Teichgräber
- Institute of Diagnostic and Interventional Radiology, University Hospital Jena, Jena, Germany
| | - Ingrid Hilger
- Institute of Diagnostic and Interventional Radiology, University Hospital Jena, Jena, Germany
| |
Collapse
|
13
|
Shilo M, Sharon A, Baranes K, Motiei M, Lellouche JPM, Popovtzer R. The effect of nanoparticle size on the probability to cross the blood-brain barrier: an in-vitro endothelial cell model. J Nanobiotechnology 2015; 13:19. [PMID: 25880565 PMCID: PMC4359781 DOI: 10.1186/s12951-015-0075-7] [Citation(s) in RCA: 136] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Accepted: 01/31/2015] [Indexed: 01/29/2023] Open
Abstract
Background During the last decade nanoparticles have gained attention as promising drug delivery agents that can transport through the blood brain barrier. Recently, several studies have demonstrated that specifically targeted nanoparticles which carry a large payload of therapeutic agents can effectively enhance therapeutic agent delivery to the brain. However, it is difficult to draw definite design principles across these studies, owing to the differences in material, size, shape and targeting agents of the nanoparticles. Therefore, the main objective of this study is to develop general design principles that link the size of the nanoparticle with the probability to cross the blood brain barrier. Specifically, we investigate the effect of the nanoparticle size on the probability of barbiturate coated GNPs to cross the blood brain barrier by using bEnd.3 brain endothelial cells as an in vitro blood brain barrier model. Results The results show that GNPs of size 70 nm are optimal for the maximum amount of gold within the brain cells, and that 20 nm GNPs are the optimal size for maximum free surface area. Conclusions These findings can help understand the effect of particle size on the ability to cross the blood brain barrier through the endothelial cell model, and design nanoparticles for brain imaging/therapy contrast agents.
Collapse
Affiliation(s)
- Malka Shilo
- Faculty of Engineering & the Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan, 52900, Israel.
| | - Anat Sharon
- The Department of Chemistry & the Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan, 52900, Israel.
| | - Koby Baranes
- Faculty of Engineering & the Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan, 52900, Israel.
| | - Menachem Motiei
- Faculty of Engineering & the Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan, 52900, Israel.
| | - Jean-Paul M Lellouche
- The Department of Chemistry & the Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan, 52900, Israel.
| | - Rachela Popovtzer
- Faculty of Engineering & the Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan, 52900, Israel.
| |
Collapse
|