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Nosrati H, Attari E, Abhari F, Barsbay M, Ghaffarlou M, Mousazadeh N, Vaezi R, Kavetskyy T, Rezaeejam H, Webster TJ, Johari B, Danafar H. Complete ablation of tumors using synchronous chemoradiation with bimetallic theranostic nanoparticles. Bioact Mater 2022; 7:74-84. [PMID: 34466718 PMCID: PMC8379424 DOI: 10.1016/j.bioactmat.2021.05.015] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 04/28/2021] [Accepted: 05/10/2021] [Indexed: 12/27/2022] Open
Abstract
Synchronous chemotherapy and radiotherapy, termed chemoradiation therapy, is now an important standard regime for synergistic cancer treatment. For such treatment, nanoparticles can serve as improved carriers of chemotherapeutics into tumors and as better radiosensitizers for localized radiotherapy. Herein, we designed a Schottky-type theranostic heterostructure, Bi2S3-Au, with deep level defects (DLDs) in Bi2S3 as a nano-radiosensitizer and CT imaging contrast agent which can generate reactive free radicals to initiate DNA damage within tumor cells under X-ray irradiation. Methotrexate (MTX) was conjugated onto the Bi2S3-Au nanoparticles as a chemotherapeutic agent showing enzymatic stimuli-responsive release behavior. The designed hybrid system also contained curcumin (CUR), which cannot only serve as a nutritional supplement for chemotherapy, but also can play an important role in the radioprotection of normal cells. Impressively, this combined one-dose chemoradiation therapeutic injection of co-drug loaded bimetallic multifunctional theranostic nanoparticles with a one-time clinical X-ray irradiation, completely eradicated tumors in mice after approximately 20 days after irradiation showing extremely effective anticancer efficacy which should be further studied for numerous anti-cancer applications.
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Affiliation(s)
- Hamed Nosrati
- Zanjan Pharmaceutical Biotechnology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
- Joint Ukraine-Azerbaijan International Research and Education Center of Nanobiotechnology and Functional Nanosystems, Drohobych, Ukraine, Baku, Azerbaijan
| | - Elahe Attari
- Zanjan Pharmaceutical Biotechnology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Fatemeh Abhari
- Department of Radiology, School of Paramedical Sciences, Zanjan University of Medical Sciences, Zanjan, 45139- 56184, Iran
| | - Murat Barsbay
- Hacettepe University, Department of Chemistry, Beytepe, Ankara, 06800, Turkey
| | | | - Navid Mousazadeh
- Department of Medical Biotechnology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, 45139- 56184, Iran
| | - Rasoul Vaezi
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Taras Kavetskyy
- Joint Ukraine-Azerbaijan International Research and Education Center of Nanobiotechnology and Functional Nanosystems, Drohobych, Ukraine, Baku, Azerbaijan
- Department of Surface Engineering, The John Paul II Catholic University of Lublin, 20-950, Lublin, Poland
- Drohobych Ivan Franko State Pedagogical University, 82100, Drohobych, Ukraine
| | - Hamed Rezaeejam
- Department of Radiology, School of Paramedical Sciences, Zanjan University of Medical Sciences, Zanjan, 45139- 56184, Iran
| | - Thomas J. Webster
- Department of Chemical Engineering, Northeastern University, 360 Huntington Avenue, Boston, MA, 02115, United States
| | - Behrooz Johari
- Department of Medical Biotechnology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, 45139- 56184, Iran
| | - Hossein Danafar
- Zanjan Pharmaceutical Biotechnology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
- Joint Ukraine-Azerbaijan International Research and Education Center of Nanobiotechnology and Functional Nanosystems, Drohobych, Ukraine, Baku, Azerbaijan
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran
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Rezai-Rad M, Vaezi R, Nattagh F. E-health readiness assessment framework in iran. Iran J Public Health 2012; 41:43-51. [PMID: 23304661 PMCID: PMC3494230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Accepted: 08/27/2012] [Indexed: 12/02/2022]
Abstract
BACKGROUND Concept of e-readiness is used in many areas such as e-business, e-commerce, e-government, and e-banking. In terms of healthcare, e-readiness is a rather new concept, and is propounded under the title of E-healthcare. E-health readiness refers to the readiness of communities and healthcare institutions for the expected changes brought by programs related to Information and Communications Technology (lCT). The present research is conducted aiming at designing E-health Readiness Assessment Framework (EHRAF) in Iran. METHODS The e-health readiness assessment framework was designed based on reviewing literature on e-readiness assessment models and opinions of ICT and health experts. In the next step, Delphi method was used to develop and test the designed framework. Three questionnaires developed to test and modify the model while determining weights of the indices; afterward they were either sent to experts through email or delivered to them in face. RESULTS The designed framework approved with 4 dimensions, 11 constituents and 58 indices. Technical readiness had the highest importance coefficient (0.256099), and the other dimensions were of the next levels of coefficient importance: core readiness (0.25520), social communication readiness (0.244658), and engagement readiness (0.244039). CONCLUSION The framework presents the movement route and investment priorities in e-health in Iran. The proposed framework is a good instrument for measuring the e-readiness in health centers in Iran, and for identifying strengths and weaknesses of these centers to access ICT and its implementation for more effectiveness and for analyzing digital divide between them, as well.
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Affiliation(s)
- M Rezai-Rad
- Dept. of Management, IRI Police University (IRIPU), Tehran, Iran,Corresponding Author:
| | - R Vaezi
- Dept. of State and Urban Management and Entrepreneurship, Faculty of Management & Accounting, Allameh Tabatabae’i University, Tehran, Iran
| | - F Nattagh
- Management Information System, Allameh Tabatabae’i University, Shiraz, Iran
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