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Trusova V, Karnaukhov I, Zelinsky A, Borts B, Ushakov I, Sidenko L, Gorbenko G. Radiolabeling of bionanomaterials with technetium 99m: current state and future prospects. Nanomedicine (Lond) 2024; 19:1569-1580. [PMID: 39011593 PMCID: PMC11321418 DOI: 10.1080/17435889.2024.2368454] [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: 03/04/2024] [Accepted: 06/12/2024] [Indexed: 07/17/2024] Open
Abstract
Radiolabeling of bionanomaterials with technetium-99m (99mTc) has become a promising approach in combining the benefits of nanotechnology and nuclear medicine for diagnostic and therapeutic purposes. This review is intended to provide a comprehensive overview of the state-of-the-art of radiolabeling of bionanomaterials with 99mTc, highlighting the synthesis methods, labeling mechanisms, biological evaluation, physicochemical characterization and clinical applications of 99mTc-labeled bionanomaterials. Various types of nanomaterials are considered in the review, including lipid- and protein-based nanosystems, dendrimers and polymeric nanomaterials. Moreover, the review assesses the challenges presented by this emerging field, such as stability of the radiolabel, potential toxicity of the nanomaterials and regulatory aspects. Finally, promising future perspectives and areas of research development in 99mTc-labeled bionanomaterials are discussed.
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Affiliation(s)
- Valeriya Trusova
- Department of Medical Physics & Biomedical Nanotechnologies, V.N. Karazin Kharkiv National University, 4 Svobody Sq., Kharkiv61022, Ukraine
| | - Ivan Karnaukhov
- National Science Center “Kharkov Institute of Physics and Technology”, Kharkiv, Ukraine
| | - Andrey Zelinsky
- National Science Center “Kharkov Institute of Physics and Technology”, Kharkiv, Ukraine
| | - Borys Borts
- National Science Center “Kharkov Institute of Physics and Technology”, Kharkiv, Ukraine
| | - Igor Ushakov
- National Science Center “Kharkov Institute of Physics and Technology”, Kharkiv, Ukraine
| | - Larysa Sidenko
- National Science Center “Kharkov Institute of Physics and Technology”, Kharkiv, Ukraine
| | - Galyna Gorbenko
- Department of Medical Physics & Biomedical Nanotechnologies, V.N. Karazin Kharkiv National University, 4 Svobody Sq., Kharkiv61022, Ukraine
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Ekinci M, Alencar LMR, Lopes AM, Santos-Oliveira R, İlem-Özdemir D. Radiolabeled Human Serum Albumin Nanoparticles Co-Loaded with Methotrexate and Decorated with Trastuzumab for Breast Cancer Diagnosis. J Funct Biomater 2023; 14:477. [PMID: 37754891 PMCID: PMC10532481 DOI: 10.3390/jfb14090477] [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: 08/10/2023] [Revised: 09/02/2023] [Accepted: 09/14/2023] [Indexed: 09/28/2023] Open
Abstract
Breast cancer is a leading cause of cancer-related mortality among women worldwide, with millions of new cases diagnosed yearly. Addressing the burden of breast cancer mortality requires a comprehensive approach involving early detection, accurate diagnosis, effective treatment, and equitable access to healthcare services. In this direction, nano-radiopharmaceuticals have shown potential for enhancing breast cancer diagnosis by combining the benefits of nanoparticles and radiopharmaceutical agents. These nanoscale formulations can provide improved imaging capabilities, increased targeting specificity, and enhanced sensitivity for detecting breast cancer lesions. In this study, we developed and evaluated a novel nano-radio radiopharmaceutical, technetium-99m ([99mTc]Tc)-labeled trastuzumab (TRZ)-decorated methotrexate (MTX)-loaded human serum albumin (HSA) nanoparticles ([99mTc]-TRZ-MTX-HSA), for the diagnosis of breast cancer. In this context, HSA and MTX-HSA nanoparticles were prepared. Conjugation of MTX-HSA nanoparticles with TRZ was performed using adsorption and covalent bonding methods. The prepared formulations were evaluated for particle size, PDI value, zeta (ζ) potential, scanning electron microscopy analysis, encapsulation efficiency, and loading capacity and cytotoxicity on MCF-7, 4T1, and MCF-10A cells. Finally, the nanoparticles were radiolabeled with [99mTc]Tc using the direct radiolabeling method, and cellular uptake was performed with the nano-radiopharmaceutical. The results showed the formation of spherical nanoparticles, with a particle size of 224.1 ± 2.46 nm, a PDI value of 0.09 ± 0.07, and a ζ potential value of -16.4 ± 0.53 mV. The encapsulation efficiency of MTX was found to be 32.46 ± 1.12%, and the amount of TRZ was 80.26 ± 1.96%. The labeling with [99mTc]Tc showed a high labeling efficiency (>99%). The cytotoxicity studies showed no effect, and the cellular uptake studies showed 97.54 ± 2.16% uptake in MCF-7 cells at the 120th min and were found to have a 3-fold higher uptake in cancer cells than in healthy cells. In conclusion, [99mTc]Tc-TRZ-MTX-HSA nanoparticles are promising for diagnosing breast cancer and evaluating the response to treatment in breast cancer patients.
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Affiliation(s)
- Meliha Ekinci
- Faculty of Pharmacy, Department of Radiopharmacy, Ege University, Bornova, Izmir 35040, Turkey;
| | | | - André Moreni Lopes
- Department of Biotechnology, Engineering School of Lorena, University of São Paulo (EEL/USP), São Paulo 12612-550, Brazil;
| | - Ralph Santos-Oliveira
- Laboratory of Nanoradiopharmacy and Synthesis of Novel Radiopharmaceuticals, Nuclear Engineering Institute, Brazilian Nuclear Energy Commission, Rio de Janeiro 21941-906, Brazil;
- Laboratory of Radiopharmacy and Nanoradiopharmaceuticals, State University of Rio de Janeiro, Rio de Janeiro 23070-200, Brazil
| | - Derya İlem-Özdemir
- Faculty of Pharmacy, Department of Radiopharmacy, Ege University, Bornova, Izmir 35040, Turkey;
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Ahmadi M, Emzhik M, Mosayebnia M. Nanoparticles labeled with gamma-emitting radioisotopes: an attractive approach for in vivo tracking using SPECT imaging. Drug Deliv Transl Res 2023; 13:1546-1583. [PMID: 36811810 DOI: 10.1007/s13346-023-01291-1] [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] [Accepted: 01/03/2023] [Indexed: 02/24/2023]
Abstract
Providing accurate molecular imaging of the body and biological process is critical for diagnosing disease and personalizing treatment with the minimum side effects. Recently, diagnostic radiopharmaceuticals have gained more attention in precise molecular imaging due to their high sensitivity and appropriate tissue penetration depth. The fate of these radiopharmaceuticals throughout the body can be traced using nuclear imaging systems, including single-photon emission computed tomography (SPECT) and positron emission tomography (PET) modalities. In this regard, nanoparticles are attractive platforms for delivering radionuclides into targets because they can directly interfere with the cell membranes and subcellular organelles. Moreover, applying radiolabeled nanomaterials can decrease their toxicity concerns because radiopharmaceuticals are usually administrated at low doses. Therefore, incorporating gamma-emitting radionuclides into nanomaterials can provide imaging probes with valuable additional properties compared to the other carriers. Herein, we aim to review (1) the gamma-emitting radionuclides used for labeling different nanomaterials, (2) the approaches and conditions adopted for their radiolabeling, and (3) their application. This study can help researchers to compare different radiolabeling methods in terms of stability and efficiency and choose the best way for each nanosystem.
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Affiliation(s)
- Mahnaz Ahmadi
- Department of Pharmaceutics and Pharmaceutical Nanotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marjan Emzhik
- Department of Pharmaceutics and Pharmaceutical Nanotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mona Mosayebnia
- Department of Pharmaceutical Chemistry and Radiopharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Niayesh Junction, Vali-E-Asr Ave, Tehran, 14155-6153, Iran.
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Paul M, Itoo AM, Ghosh B, Biswas S. Current trends in the use of human serum albumin for drug delivery in cancer. Expert Opin Drug Deliv 2022; 19:1449-1470. [PMID: 36253957 DOI: 10.1080/17425247.2022.2134341] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Human serum albumin is the most abundant transport protein in plasma, which has recently been extensively utilized to form nanoparticles for drug delivery in cancer. The primary reason for selecting albumin protein as drug delivery cargo is its excellent biocompatibility, biodegradability, and non-immunogenicity. Moreover, the albumin structure containing three homologous domains constituted of a single polypeptide (585 amino acid) incorporates various hydrophobic drugs by non-covalent interactions. Albumin shows active tumor targeting via their interaction with gp60 and SPARC proteins abundant in the tumor-associated endothelial cells and the tumor microenvironment. AREAS COVERED The review discusses the importance of albumin as a drug-carrier system, general procedures to prepare albumin NPs, and the current trends in using albumin-based nanomedicines to deliver various chemotherapeutic agents. The various applications of albumin in the nanomedicines, such as NPs surface modifier and fabrication of hybrid/active-tumor targeted NPs, are delineated based on current trends. EXPERT OPINION Nanomedicines have the potential to revolutionize cancer treatment. However, clinical translation is limited majorly due to the lack of suitable nanomaterials offering systemic stability, optimum drug encapsulation, tumor-targeted delivery, sustained drug release, and biocompatibility. The potential of albumin could be explored in nanomedicines fabrication for superior treatment outcomes in cancer.
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Affiliation(s)
- Milan Paul
- Nanomedicine Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Jawahar Nagar, Medchal, Hyderabad-500078, India
| | - Asif Mohd Itoo
- Nanomedicine Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Jawahar Nagar, Medchal, Hyderabad-500078, India
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Jawahar Nagar, Medchal, Hyderabad-500078, India
| | - Swati Biswas
- Nanomedicine Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Jawahar Nagar, Medchal, Hyderabad-500078, India
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Surve C, Banerjee A, S A, Chakraborty R, Kumar D, Butti R, Gorain M, Parida S, Kundu GC, Shidhaye S, Patnaik S. Antiproliferative and apoptotic potential of methotrexate lipid nanoparticle in murine breast cancer model. Nanomedicine (Lond) 2022; 17:753-764. [DOI: 10.2217/nnm-2021-0446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To evaluate the efficacy of novel methotrexate-loaded nanoparticles (MTX-NPs) in vitro and in vivo in the treatment of breast cancer. Materials & methods: MTX-NPs were tested for cellular uptake, cell viability, cell cycle, cellular wound migration and changes in tumor volume using characterized NPs. Results: The solid lipid NPs (SLNPs) showed strong cellular uptake, increased apoptosis, controlled cytotoxicity at lower IC50 of methotrexate and a sizable reduction in tumor burden. Conclusion: MTX-NP oral formulation can be a promising candidate in breast cancer treatment with improved cellular uptake and in vivo efficacy.
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Affiliation(s)
- Chaitali Surve
- Department of Pharmaceutics, Vivekanand Education Society's College of Pharmacy, Mumbai, India
- Faculty of Pharmacy, Pacific Academy of Higher Education & Research University, Udaipur, Rajasthan, India
| | - Ananya Banerjee
- School of Biotechnology, KIIT University, Bhubaneswar, Odisha, India
| | - Anupriya S
- School of Biotechnology, KIIT University, Bhubaneswar, Odisha, India
| | | | - Dhiraj Kumar
- National Centre for Cell Science (NCCS), NCCS Complex, Pune, Maharashtra, India
| | - Ramesh Butti
- National Centre for Cell Science (NCCS), NCCS Complex, Pune, Maharashtra, India
| | - Mahadeo Gorain
- National Centre for Cell Science (NCCS), NCCS Complex, Pune, Maharashtra, India
| | - Sabyasachi Parida
- Kalinga Institute of Medical Sciences, Bhubaneswar, Odisha-24, India
| | - Gopal C Kundu
- School of Biotechnology, KIIT University, Bhubaneswar, Odisha, India
- National Centre for Cell Science (NCCS), NCCS Complex, Pune, Maharashtra, India
| | - Supriya Shidhaye
- Department of Pharmaceutics, Vivekanand Education Society's College of Pharmacy, Mumbai, India
| | - Srinivas Patnaik
- School of Biotechnology, KIIT University, Bhubaneswar, Odisha, India
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Common Shortcomings in Study on Radiopharmaceutical Design Research: A Case Study of 99mTc-Labelled Methotrexate. Molecules 2021; 26:molecules26195862. [PMID: 34641406 PMCID: PMC8510358 DOI: 10.3390/molecules26195862] [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: 08/29/2021] [Revised: 09/24/2021] [Accepted: 09/24/2021] [Indexed: 11/22/2022] Open
Abstract
The aim of the work carried out was to draw attention to shortcomings that often appear at the stage of designing new radiopharmaceuticals. Based on a case study of 99mTc-labelled methotrexate, this article describes frequent mistakes or misconceptions present not only in the referenced studies, but also in numerous radiopharmaceutical studies. The recommendations provided in this article highlight fundamental aspects of the credibility of radiopharmaceutical scientific research leading to the reliable results.
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Al-Rahim AM, AlChalabi R, Al-Saffar AZ, Sulaiman GM, Albukhaty S, Belali T, Ahmed EM, Khalil KAA. Folate-methotrexate loaded bovine serum albumin nanoparticles preparation: an in vitro drug targeting cytokines overwhelming expressed immune cells from rheumatoid arthritis patients. Anim Biotechnol 2021; 34:166-182. [PMID: 34319853 DOI: 10.1080/10495398.2021.1951282] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The study planned to estimate biological parameters linked to rheumatoid arthritis (RA) patients, detecting the influence of MTX and biotherapy treatments on these parameters and synthesizing methotrexate bovine serum albumin nanoparticles linked to folate (FA-MTX-BSA NPs) to reduce the overwhelming expression of inflammatory cytokines. Inflammatory parameters showed significant increases in newly diagnosed and MTX-receiving groups while no changes were observed in the biotherapy-maintained group. MTX-loaded BSA nanoparticles were fabricated by the desolvation method and further linked to activated folic acid to obtain FA-MTX-BSA NPs. FA-MTX-BSA NPs were successfully characterized within the nanoscale range using different screening techniques. FA-MTX-BSA NPs showed an in vitro release in a sustained manner. The potential of MTX, MTX-BSA NPs, and FA-MTX-BSA NPs in inducing cytokine level reduction was detected. Significant decreases in interleukin- 1 beta (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-α) levels were obtained in cultures treated with FA-MTX-BSA NPs compared to the untreated culture in a dose-dependent pattern. Furthermore, FA-MTX-BSA NPs comparing with MTX and MTX-BSA NPs exhibited a significant advanced effect in decreasing cytokines levels. Accordingly, the conjunction of BSA NPs and MTX linked to folate potentially reduced cytokines manifestation in RA.
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Affiliation(s)
- Aya M Al-Rahim
- Department of Molecular and Medical Biotechnology, College of Biotechnology, Al-Nahrain University, Baghdad, Iraq
| | - Rawaa AlChalabi
- Department of Molecular and Medical Biotechnology, College of Biotechnology, Al-Nahrain University, Baghdad, Iraq
| | - Ali Z Al-Saffar
- Department of Molecular and Medical Biotechnology, College of Biotechnology, Al-Nahrain University, Baghdad, Iraq
| | | | - Salim Albukhaty
- Department of Chemistry, College of Science, University of Misan, Maysan, Iraq
| | - Tareg Belali
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, University of Bisha, Bisha, Saudi Arabia
| | - Elsadig M Ahmed
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, University of Bisha, Bisha, Saudi Arabia.,Department of Clinical Chemistry, Faculty of Medical Laboratory Sciences, University of El Imam El Mahdi, Kosti, Sudan
| | - Khalil A A Khalil
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, University of Bisha, Bisha, Saudi Arabia.,Department of Medical Laboratory Sciences, Faculty of Medicine and Health Sciences, University of Hodeidah, Hodeidah, Yemen
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Pellico J, Gawne PJ, T M de Rosales R. Radiolabelling of nanomaterials for medical imaging and therapy. Chem Soc Rev 2021; 50:3355-3423. [PMID: 33491714 DOI: 10.1039/d0cs00384k] [Citation(s) in RCA: 112] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Nanomaterials offer unique physical, chemical and biological properties of interest for medical imaging and therapy. Over the last two decades, there has been an increasing effort to translate nanomaterial-based medicinal products (so-called nanomedicines) into clinical practice and, although multiple nanoparticle-based formulations are clinically available, there is still a disparity between the number of pre-clinical products and those that reach clinical approval. To facilitate the efficient clinical translation of nanomedicinal-drugs, it is important to study their whole-body biodistribution and pharmacokinetics from the early stages of their development. Integrating this knowledge with that of their therapeutic profile and/or toxicity should provide a powerful combination to efficiently inform nanomedicine trials and allow early selection of the most promising candidates. In this context, radiolabelling nanomaterials allows whole-body and non-invasive in vivo tracking by the sensitive clinical imaging techniques positron emission tomography (PET), and single photon emission computed tomography (SPECT). Furthermore, certain radionuclides with specific nuclear emissions can elicit therapeutic effects by themselves, leading to radionuclide-based therapy. To ensure robust information during the development of nanomaterials for PET/SPECT imaging and/or radionuclide therapy, selection of the most appropriate radiolabelling method and knowledge of its limitations are critical. Different radiolabelling strategies are available depending on the type of material, the radionuclide and/or the final application. In this review we describe the different radiolabelling strategies currently available, with a critical vision over their advantages and disadvantages. The final aim is to review the most relevant and up-to-date knowledge available in this field, and support the efficient clinical translation of future nanomedicinal products for in vivo imaging and/or therapy.
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Affiliation(s)
- Juan Pellico
- School of Biomedical Engineering & Imaging Sciences, King's College London, St. Thomas' Hospital, London SE1 7EH, UK.
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Singh H, Khurana B, Arora D, Kaur S. Formulation, Optimization and In vitro / In vivo Characterization of Spray Dried Doxorubicin Loaded Folic Acid Conjugated Gelatin Nanoparticles. Curr Mol Pharmacol 2020; 14:367-380. [PMID: 32368991 DOI: 10.2174/1874467213666200505095143] [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: 10/08/2019] [Revised: 12/07/2019] [Accepted: 12/12/2019] [Indexed: 11/22/2022]
Abstract
AIM Formulation, optimization and anticancer activity of spray-dried Doxorubicin loaded folic acid conjugated Gelatin nanoparticles (DOX-FA-GN). METHODS Doxorubicin loaded gelatin nanoparticles (DOX-GN) were prepared by the Coacervation phase separation method, optimized using DoE and then conjugated with folic acid by covalent coupling to formulate Doxorubicin loaded folic acid conjugated nanoparticles (DOX-FA-GN). The formulated nanoparticles were characterized to evaluate its physicochemical properties. Cellular uptake and cell viability studies were carried out using MTT assay and biodistribution studies were carried out in Wistar rats. RESULTS Particle size, PDI and entrapment efficiency for optimized DOX-GN were found to be 152.3 ± 9.3 nm 0.294 ± 0.1 and 86.9± 3.4% while for DOX-FA-GN, 193.9 ± 12.3 nm 0.247 ± 0.2 and 84 ± 3.6%. The cytotoxic studies showed a cell viability of 75.1% for DOX-GN and 29.5% DOX-FA-GN. Biodistribution studies were found to be statistically insignificant for conjugated nanoparticles with excellent flow properties. Significantly higher DOX distribution in the lungs was observed in the case of DOX-FA-GN. CONCLUSION There was a higher uptake of DOX on HeLa cells with DOX-FA-GN compared to DOX-GN. Also, the biodistribution of Dox in the lungs of Wistar rats was higher in conjugated nanoparticles as compared to unconjugated nanoparticles.
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Affiliation(s)
- Harjit Singh
- Department of Pharmaceutics, ISF College of Pharmacy, Moga-144002 (Punjab), India
| | - Bharat Khurana
- Department of Pharmaceutics, ISF College of Pharmacy, Moga-144002 (Punjab), India
| | - Daisy Arora
- Department of Pharmaceutics, ISF College of Pharmacy, Moga-144002 (Punjab), India
| | - Sukhbir Kaur
- Department of Pharmaceutics, ISF College of Pharmacy, Moga-144002 (Punjab), India
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Novel biosurfactant and lipid core-shell type nanocapsular sustained release system for intravenous application of methotrexate. Int J Pharm 2019; 557:86-96. [DOI: 10.1016/j.ijpharm.2018.12.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 12/10/2018] [Accepted: 12/12/2018] [Indexed: 01/08/2023]
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Improved antitumor efficacy and reduced toxicity of docetaxel using anacardic acid functionalized stealth liposomes. Colloids Surf B Biointerfaces 2018; 172:213-223. [DOI: 10.1016/j.colsurfb.2018.08.047] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 08/17/2018] [Accepted: 08/21/2018] [Indexed: 12/14/2022]
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Katiyar SS, Kushwah V, Dora CP, Jain S. Lipid and TPGS based novel core-shell type nanocapsular sustained release system of methotrexate for intravenous application. Colloids Surf B Biointerfaces 2018; 174:501-510. [PMID: 30497012 DOI: 10.1016/j.colsurfb.2018.11.053] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 10/11/2018] [Accepted: 11/20/2018] [Indexed: 12/11/2022]
Abstract
Core shell nanocapsules present an interesting system for attaining high loading of drug. In an attempt, lipid and TPGS based novel core-shell nanocapsule were prepared to achieve high drug loading with sustained release of model hydrophilic drug methotrexate (MTX). Antisolvent nanoprecipitation was utilized for the formulation of nanoparticles. Optimized formulation depicted 223.6 ± 24.1 nm particle size, 0.243 ± 0.034 PDI, zeta potential -2.07 ± 0.51 mV and 15.03 ± 1.92%drug loading. In vitro release showed biphasic release for 12 h with initial burst phase followed by sustained release phase. Haemolytic study on RBCs revealed haemocompatible nature of MTX-TPGS nanoparticles compared to Biotrexate® (Zydus). In vitro cell culture studies depicted 3 folds and 2.66 folds increase in cellular uptake of MTX at 10 μg/ml and 15 μg/ml respectively for developed nanoparticles with 3.81 folds decrease in IC50 value as compared to Biotrexate®. Higher apoptosis and increased lysosomal membrane permeability were also depicted by MTX-TPGS nanoparticles. 2.45 folds increase in AUC and 3.68 folds increase in T1/2 was achieved in pharmacokinetic study. Significant reduction in tumor burden and serum biochemical parameters depicted efficacy and safety respectively of the formulation as compared to Biotrexate®. RBCs morphology was retained after MTX-TPGS exposure proving its haemocompatibility in vivo.
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Affiliation(s)
- Sameer S Katiyar
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Sector 67, SAS Nagar, Punjab, 160 062, India
| | - Varun Kushwah
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Sector 67, SAS Nagar, Punjab, 160 062, India
| | - Chander Parkash Dora
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Sector 67, SAS Nagar, Punjab, 160 062, India
| | - Sanyog Jain
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Sector 67, SAS Nagar, Punjab, 160 062, India.
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Nehate C, Moothedathu Raynold AA, Haridas V, Koul V. Comparative Assessment of Active Targeted Redox Sensitive Polymersomes Based on pPEGMA-S-S-PLA Diblock Copolymer with Marketed Nanoformulation. Biomacromolecules 2018; 19:2549-2566. [DOI: 10.1021/acs.biomac.8b00178] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Chetan Nehate
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
- Biomedical Engineering Unit, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Aji Alex Moothedathu Raynold
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
- Biomedical Engineering Unit, All India Institute of Medical Sciences, New Delhi 110029, India
| | - V. Haridas
- Department of Chemistry, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Veena Koul
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
- Biomedical Engineering Unit, All India Institute of Medical Sciences, New Delhi 110029, India
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Yang W, Yang L, Xia Y, Cheng L, Zhang J, Meng F, Yuan J, Zhong Z. Lung cancer specific and reduction-responsive chimaeric polymersomes for highly efficient loading of pemetrexed and targeted suppression of lung tumor in vivo. Acta Biomater 2018; 70:177-185. [PMID: 29410335 DOI: 10.1016/j.actbio.2018.01.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Revised: 01/11/2018] [Accepted: 01/12/2018] [Indexed: 01/13/2023]
Abstract
Lung cancer is one of the worldwide leading and fast-growing malignancies. Pemetrexed disodium (PEM, Alimta®), a small hydrophilic drug, is currently used for treating lung cancer patients. However, PEM suffers from issues like fast elimination, low bioavailability, poor tumor cell selectivity and penetration. Here, we report on lung cancer specific CSNIDARAC (CC9) peptide-functionalized reduction-responsive chimaeric polymersomes (CC9-RCPs) for efficient encapsulation and targeted delivery of PEM to H460 human lung cancer cells in vitro and in vivo. PEM-loaded CC9-RCPs (PEM-CC9-RCPs) was obtained from co-self-assembly of poly(ethylene glycol)-b-poly(trimethylene carbonate-co-dithiolane trimethylene carbonate)-b-polyethylenimine (PEG-P(TMC-DTC)-PEI) and CC9-functionalized PEG-P(TMC-DTC) in the presence of PEM followed by self-crosslinking. PEM-CC9-RCPs displayed an optimal CC9 density of 9.0% in targeting H460 cells, a high PEM loading content of 14.2 wt%, a small hydrodynamic size of ca. 60 nm and glutathione-triggered PEM release. MTT assays showed that PEM-CC9-RCPs was 2.6- and 10- fold more potent to H460 cells than the non-targeting PEM-RCPs and free PEM controls, respectively. Interestingly, PEM-CC9-RCPs exhibited 22-fold longer circulation time and 9.1-fold higher accumulation in H460 tumor than clinical formulation Alimta®. Moreover, CC9-RCPs showed obviously better tumor penetration than RCPs. Remarkably, PEM-CC9-RCPs at 12.5 mg PEM equiv./kg effectively suppressed growth of H460 xenografts and significantly prolonged mouse survival time as compared to PEM-RCPs and Alimta® controls. These lung cancer specific and reduction-responsive chimaeric polymersomes provide a unique pemetrexed nanoformulation for targeted lung cancer therapy. STATEMENT OF SIGNIFICANCE Multitargeted antifolate agent pemetrexed (PEM, Alimta®) is currently used for treating lung cancer patients and has low side-effects. However, PEM suffers from issues like fast elimination, low bioavailability, poor tumor cell selectivity and penetration. Scarce work on targeted delivery of PEM has been reported, partly because most conventional nanocarriers show a low and instable loading for hydrophilic, negatively charged drugs like PEM. Herewith, we report on lung cancer specific CSNIDARAC (CC9) peptide-functionalized reduction-responsive chimaeric polymersomes (CC9-RCPs) which showed efficient PEM encapsulation (14.2 wt%, 60 nm) and targeted delivery of PEM to H460 human lung cancer cells, leading to effective suppression of H460 tumor xenografts and significantly prolonged survival rates of mice than Alimta®. To the best of our knowledge, this represents a first report on targeted nanosystems that are capable of efficient loading and targeted delivery of PEM to lung tumors.
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Yang W, Xia Y, Fang Y, Meng F, Zhang J, Cheng R, Deng C, Zhong Z. Selective Cell Penetrating Peptide-Functionalized Polymersomes Mediate Efficient and Targeted Delivery of Methotrexate Disodium to Human Lung Cancer In Vivo. Adv Healthc Mater 2018; 7:e1701135. [PMID: 29280317 DOI: 10.1002/adhm.201701135] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 11/01/2017] [Indexed: 12/17/2022]
Abstract
It is a long challenge to develop nanomedicines that simultaneously possess tumor cell selectivity and penetration functions. Here, it is reported that selective cell penetrating peptide (RLWMRWYSPRTRAYGC)-functionalized polymersomes (SCPP-PS) mediate efficient and targeted delivery of methotrexate disodium (MTX) to human lung cancer in vivo. SCPP-PS with an SCPP density of 18.7% is self-crosslinked, has a small size (63-65 nm), and high MTX loading (up to 19.4 wt%), shows selective uptake and fast penetration into A549 lung cancer cells, and efficiently releases MTX intracellularly. Interestingly, MTX-loaded SCPP-PS (MTX-SCPP-PS) displays much lower IC50 than those of MTX-PS and free MTX. Installing SCPP to polymersomes has no detrimental effect to their long blood circulation time but significantly increases drug accumulation in A549 tumor (5.3% injected dose per gram at 8 h post injection). Remarkably, SCPP-PS exhibits deep penetration in to A549 tumors. MTX-SCPP-PS completely inhibits tumor progression and significantly improves survival rates in mice bearing A549 lung tumor xenografts as compared to MTX-PS and free MTX groups (median survival time: 75 vs 45 and 38 d, respectively), without causing noticeable adverse effects. These results highlight that functionalization of nanomedicines with SCPP is a feasible strategy to achieve efficient and targeted tumor therapy.
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Affiliation(s)
- Weijing Yang
- Biomedical Polymers Laboratory and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Yifeng Xia
- Biomedical Polymers Laboratory and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Yuan Fang
- Biomedical Polymers Laboratory and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Fenghua Meng
- Biomedical Polymers Laboratory and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Jian Zhang
- Biomedical Polymers Laboratory and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Ru Cheng
- Biomedical Polymers Laboratory and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Chao Deng
- Biomedical Polymers Laboratory and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Zhiyuan Zhong
- Biomedical Polymers Laboratory and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
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16
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Lin SY, Huang RY, Liao WC, Chuang CC, Chang CW. Multifunctional PEGylated Albumin/IR780/Iron Oxide Nanocomplexes for Cancer Photothermal Therapy and MR Imaging. Nanotheranostics 2018; 2:106-116. [PMID: 29577015 PMCID: PMC5865265 DOI: 10.7150/ntno.19379] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Accepted: 08/25/2017] [Indexed: 11/12/2022] Open
Abstract
A multifunctional albumin/superparamagnetic iron oxide nanoparticle (SPIO) nanocomplex system to deliver IR780, a photothermal agent, for cancer theranostic applications was proposed in this study. Single emulsion method was utilized to fabricate the human albumin/IR780/SPIO (HISP) nanocomplexes with a hydrophobic core (SPIO and IR780) and a hydrophilic shell (human serum albumin (HSA) and poly (ethylene glycol) (PEG)). Effects of PEGylation on the size and surface potential of nanocomplexes were analyzed. Nanospheres containing uniformly dispersed SPIO was observed using Transmission Electron Microscopy (TEM) imaging. As a potential magnetic resonance (MR) imaging agent, the HISP displayed dose-dependent T2-weighted imaging contrast (R2 = 81.6 mM-1s-1). Good colloidal stability was verified from the nanocomplexes under difference circumstances. The nanocomplexes were taken up by cancer cells efficiently and led to significant photothermal-mediated cancer cell death upon short-term near infrared (NIR) irradiation in vitro. Via intravenous injection, PEG-HISP can efficiently deliver IR780 to tumor sites and showed strong photothermal effect compared to free drug on the mice model. Significant tumor suppression by the photothermal treatments using PEG-HISP was demonstrated from the mice CT26 xenograft model. Good safety profile of the PEG-HISP was confirmed from histological examination and liver functional analysis. Taken together, the results suggest that PEG-HISP is a safe and robust nano-theranostic platform for advanced anti-cancer treatment.
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Affiliation(s)
- Ssu-Yu Lin
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu 30013, Taiwan R.O.C
| | - Rih-Yang Huang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu 30013, Taiwan R.O.C
| | - Wei-Chen Liao
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu 30013, Taiwan R.O.C
| | - Chun-Chiao Chuang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu 30013, Taiwan R.O.C
| | - Chien-Wen Chang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu 30013, Taiwan R.O.C
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Wang Y, Li J, Chen JJ, Gao X, Huang Z, Shen Q. Multifunctional Nanoparticles Loading with Docetaxel and GDC0941 for Reversing Multidrug Resistance Mediated by PI3K/Akt Signal Pathway. Mol Pharm 2017; 14:1120-1132. [PMID: 28291364 DOI: 10.1021/acs.molpharmaceut.6b01045] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The polylactic-co-glycolic acid polyethylene glycol conjugated with cell penetrating peptide R7 (PLGA-PEG-R7)/polysulfadimethoxine-folate nanoparticles loaded with docetaxel (DTX) and GDC0941 (R7/PSD-Fol NPs) were prepared to overcome multidrug resistance (MDR) and enhance the antitumor activity. First, polysulfadimethoxine-folate was synthesized to construct the R7/PSD-Fol NPs. The R7/PSD-Fol NPs were prepared with the abilities of effective entrapment and drug loading. Due to the pH-sensitive effect of PSD-folate, the releasing of DTX and GDC0941 from the R7/PSD-Fol NPs was lower in pH 7.4 buffer solution than that in pH 5.0 buffer solution. The half maximal inhibitory concentration (IC50) of MCF-7 and resistant to doxorubicin (MCF-7/Adr) cells illustrated the cytotoxicity of R7/PSD-Fol nanoparticles by using the MTT method. The uptake of R7/PSD-Fol NPs was visualized by using the fluorescence of Rh-123 to detect the targeting effect of folate on the surface of R7/PSD-Fol NPs. The results of the cell apoptosis and the depolarization of mitochondrial membrane potential (MMP) were adopted to show the cytotoxicity of the R7/PSD-Fol NPs on MCF-7/Adr cells. The Western blot revealed the inhibition of PI3K/Akt pathway in MCF-7/Adr cells induced by R7/PSD-Fol NPs. Finally, both in vivo distribution and in vivo antitumor showed the R7/PSD-Fol NPs displayed the better distribution at tumor site and the stronger suppression of tumor growth in the tumor bearing nude mice compared with control group. It was concluded that R7/PSD-Fol NPs loaded with DTX and GDC0941 could overcome MDR and enhance the antitumor effect further.
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Affiliation(s)
- Yiyue Wang
- School of Pharmacy, Shanghai Jiao Tong University , 800 Dongchuan Road, Shanghai 200240, China
| | - Jing Li
- School of Pharmacy, Shanghai Jiao Tong University , 800 Dongchuan Road, Shanghai 200240, China
| | - Jing Jing Chen
- School of Pharmacy, Shanghai Jiao Tong University , 800 Dongchuan Road, Shanghai 200240, China
| | - Xuan Gao
- School of Pharmacy, Shanghai Jiao Tong University , 800 Dongchuan Road, Shanghai 200240, China
| | - Zun Huang
- School of Pharmacy, Shanghai Jiao Tong University , 800 Dongchuan Road, Shanghai 200240, China
| | - Qi Shen
- School of Pharmacy, Shanghai Jiao Tong University , 800 Dongchuan Road, Shanghai 200240, China
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Pant K, Sedláček O, Nadar RA, Hrubý M, Stephan H. Radiolabelled Polymeric Materials for Imaging and Treatment of Cancer: Quo Vadis? Adv Healthc Mater 2017; 6. [PMID: 28218487 DOI: 10.1002/adhm.201601115] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 11/24/2016] [Indexed: 12/15/2022]
Abstract
Owing to their tunable blood circulation time and suitable plasma stability, polymer-based nanomaterials hold a great potential for designing and utilising multifunctional nanocarriers for efficient imaging and effective treatment of cancer. When tagged with appropriate radionuclides, they may allow for specific detection (diagnosis) as well as the destruction of tumours (therapy) or even customization of materials, aiming to both diagnosis and therapy (theranostic approach). This review provides an overview of recent developments of radiolabelled polymeric nanomaterials (natural and synthetic polymers) for molecular imaging of cancer, specifically, applying nuclear techniques such as positron emission tomography (PET) and single-photon emission computed tomography (SPECT). Different approaches to radiolabel polymers are evaluated from the methodical radiochemical point of view. This includes new bifunctional chelating agents (BFCAs) for radiometals as well as novel labelling methods. Special emphasis is given to eligible strategies employed to evade the mononuclear phagocytic system (MPS) in view of efficient targeting. The discussion encompasses promising strategies currently employed as well as emerging possibilities in radionuclide-based cancer therapy. Key issues involved in the clinical translation of radiolabelled polymers and future scopes of this intriguing research field are also discussed.
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Affiliation(s)
- Kritee Pant
- Helmholtz-Zentrum Dresden-Rossendorf; Institute of Radiopharmaceutical Cancer Research; Bautzner Landstraße 400 01328 Dresden Germany
| | - Ondřej Sedláček
- Institute of Macromolecular Chemistry; The Academy of Sciences of the Czech Republic; Heyrovského námeˇstí 2 16206 Prague 6 Czech Republic
| | - Robin A. Nadar
- Helmholtz-Zentrum Dresden-Rossendorf; Institute of Radiopharmaceutical Cancer Research; Bautzner Landstraße 400 01328 Dresden Germany
| | - Martin Hrubý
- Institute of Macromolecular Chemistry; The Academy of Sciences of the Czech Republic; Heyrovského námeˇstí 2 16206 Prague 6 Czech Republic
| | - Holger Stephan
- Helmholtz-Zentrum Dresden-Rossendorf; Institute of Radiopharmaceutical Cancer Research; Bautzner Landstraße 400 01328 Dresden Germany
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19
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Blanco-Fernandez B, Concheiro A, Makwana H, Fernandez-Trillo F, Alexander C, Alvarez-Lorenzo C. Dually sensitive dextran-based micelles for methotrexate delivery. RSC Adv 2017. [DOI: 10.1039/c7ra00696a] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Temperature and pH-sensitive micelles prepared from dextran grafted with poly(N-isopropylacrylamide) (PNIPAAm)/polyethylene glycol methyl ether (PEGMA) with/without 2-aminoethylmethacrylate (2-AEM) were evaluated as methotrexate delivery systems.
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Affiliation(s)
- B. Blanco-Fernandez
- Departamento de Farmacia y Tecnología Farmacéutica
- R+DPharma Group (GI-1645)
- Facultad de Farmacia
- Universidade de Santiago de Compostela
- 15782 Santiago de Compostela
| | - A. Concheiro
- Departamento de Farmacia y Tecnología Farmacéutica
- R+DPharma Group (GI-1645)
- Facultad de Farmacia
- Universidade de Santiago de Compostela
- 15782 Santiago de Compostela
| | - H. Makwana
- School of Pharmacy
- University of Nottingham
- University Park
- Nottingham NG7 2RD
- UK
| | - F. Fernandez-Trillo
- School of Pharmacy
- University of Nottingham
- University Park
- Nottingham NG7 2RD
- UK
| | - C. Alexander
- School of Pharmacy
- University of Nottingham
- University Park
- Nottingham NG7 2RD
- UK
| | - C. Alvarez-Lorenzo
- Departamento de Farmacia y Tecnología Farmacéutica
- R+DPharma Group (GI-1645)
- Facultad de Farmacia
- Universidade de Santiago de Compostela
- 15782 Santiago de Compostela
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Wang F, Wang Y, Ma Q, Cao Y, Yu B. Development and characterization of folic acid-conjugated chitosan nanoparticles for targeted and controlled delivery of gemcitabinein lung cancer therapeutics. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2016; 45:1530-1538. [PMID: 27894196 DOI: 10.1080/21691401.2016.1260578] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The present study was designed to investigate the tumor-targeting potential of gemcitabine (GEM)-loaded surface-tailored chitosan (CS)/poly (ethylene glycol) nanoparticles (FA-PEG-GEM-NPs). The nanoparticles encapsulated with GEM were prepared, characterized, and tethered with folic acid. The developed formulations were characterized with respect to particle size/poly-dispersity index, shape, and zeta potential analysis. The in vitro study shows the sustained drug-release kinetics during 48 h. The present result shows remarkable cytotoxicity rendered by GEM when delivered through FA-PEG-GEM-NPs formulation. The microscopic assessment is suggestive of significant uptake of FA-PEG-GEM-NPs in comparison with the unmodified PEG-GEM-NPs and free drug. Finally, our results advocate for the sizeable compatibility, comparatively less organ toxicity, and higher anti-tumor activity of ligand-anchored and PEGylated CS nanoparticles in vitro and corroborated by in vivo investigations. In conclusion, it is interpreted that surface-tailored nanoparticles are capable to ferry bioactives selectively and specifically to tumor sites with the interception of minimal side effects, thereby suggesting their potential application in cancer therapeutics.
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Affiliation(s)
- Fengqiang Wang
- a Department of Respiratory Medicine , Liaocheng People's Hospital , Liaocheng , China
| | - Yan Wang
- a Department of Respiratory Medicine , Liaocheng People's Hospital , Liaocheng , China
| | - Qingzhu Ma
- b Department of Gastroenterology , Liaocheng People's Hospital , Liaocheng , China
| | - Yuan Cao
- a Department of Respiratory Medicine , Liaocheng People's Hospital , Liaocheng , China
| | - Bo Yu
- a Department of Respiratory Medicine , Liaocheng People's Hospital , Liaocheng , China
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Ostrovskii KP, Osipova NS, Vanchugova LV, Shipulo EV, Pereverzeva ÉR, Treshchalin ID, Maksimenko OO, Gel’perina SÉ. Use of Proteins to Increase the Aqueous Solubility of Rifapentine. Pharm Chem J 2016. [DOI: 10.1007/s11094-016-1460-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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22
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Garg NK, Singh B, Jain A, Nirbhavane P, Sharma R, Tyagi RK, Kushwah V, Jain S, Katare OP. Fucose decorated solid-lipid nanocarriers mediate efficient delivery of methotrexate in breast cancer therapeutics. Colloids Surf B Biointerfaces 2016; 146:114-26. [PMID: 27268228 DOI: 10.1016/j.colsurfb.2016.05.051] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Revised: 04/25/2016] [Accepted: 05/17/2016] [Indexed: 02/07/2023]
Abstract
The present study is designed to engineer fucose anchored methotrexate loaded solid lipid nanoparticles (SLNs) to target breast cancer. The developed nano-carriers were characterized with respect to particle size, PDI, zeta potential, drug loading and entrapment, in-vitro release etc. The characterized formulations were used to comparatively assess cellular uptake, cell-viability, apoptosis, lysosomal membrane permeability, bioavailability, biodistribution, changes in tumor volume and animal survival. The ex-vivo results showed greater cellular uptake and better cytotoxicity at lower IC50 of methotrexate in breast cancer cells. Further, we observed increased programmed cell death (apoptosis) with altered lysosomal membrane permeability and better rate of degradation of lysosomal membrane in-vitro. On the other hand, in-vivo evaluation showed maximum bioavailability and tumor targeting efficiency with minimum secondary drug distribution in various organs with formulated and anchored nano-carrier when compared with free drug. Moreover, sizeable reduction in tumor burden was estimated with fucose decorated SLNs as compared to that seen with free MTX and SLNs-MTX. Fucose decorated SLNs showed promising results to develop therapeutic interventions for breast cancer, and paved a way to explore this promising and novel nano-carrier which enables to address breast cancer.
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Affiliation(s)
- Neeraj K Garg
- Drug Delivery Research Group, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Bhupinder Singh
- Drug Delivery Research Group, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India; UGC-Centre of Excellence in Applications of Nanomaterials, Nanoparticles & Nanocomposites (Biomedical Sciences), Panjab University, Chandigarh 160 014, India
| | - Ashay Jain
- Drug Delivery Research Group, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Pradip Nirbhavane
- Drug Delivery Research Group, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Rajeev Sharma
- Drug Delivery Research Laboratory, Department of Pharmaceutical Sciences, Dr. H.S. Gour University, Sagar 470003, M.P., India
| | - Rajeev K Tyagi
- Department of Periodontics, College of Dental Medicine, Georgia Regents University, Augusta, GA 30912, USA; Institute of Science, Nirma University, Sarkhej-Gandhinagar highway, Ahmedabad 382481, India.
| | - Varun Kushwah
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research(NIPER), Punjab 160062, India
| | - Sanyog Jain
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research(NIPER), Punjab 160062, India
| | - Om Prakash Katare
- Drug Delivery Research Group, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India.
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Wang K, Yuan A, Yu J, Wu J, Hu Y. One-Step Self-Assembling Method to Prepare Dual-Functional Transferrin Nanoparticles for Antitumor Drug Delivery. J Pharm Sci 2016; 105:1269-76. [DOI: 10.1016/j.xphs.2015.12.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 12/01/2015] [Accepted: 12/08/2015] [Indexed: 01/13/2023]
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24
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Meng Z, Yang X, Hu D, Wang K, Zhi F, Chen X, Gong G, Wu J, Hu Y. Replacing heme with paclitaxel to prepare drug-loaded globin nanoassembles for CD163 targeting. J Pharm Sci 2015; 104:1045-55. [PMID: 25640195 DOI: 10.1002/jps.24290] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2014] [Revised: 10/27/2014] [Accepted: 10/28/2014] [Indexed: 01/22/2023]
Abstract
Protein-based nanoparticles hold great promises in both preclinical and clinical practices, such as oncology diagnosis and treatment, because of their high biocompatibility and biodegradability. However, the complicated preparation and lack of targeting specific cells or tissues may limit their further uses. To overcome these limitations, we developed a novel replacing method for preparing dual-functional protein nanocarrier, such that one function is capable of encapsulating small molecule into protein, whereas the other function is cable of recognizing CD163 receptor [hemoglobin (Hb) scavenger receptor]. In this study, Hb was chosen as the targeting drug carrier. First, the heme group in the Hb was removed and replaced by paclitaxel (PTX) to form nanoparticles (Gb-NPs-PTX). The resulted Gb-NPs-PTX showed spherical shape and their diameter could be controlled in the range of 120-160 nm by altering the ratio of PTX to Hb. The binding activity of Gb-NPs-PTX to CD163 was confirmed by cell uptake in CD163(+) Chinese hamster ovary cells. Results in vivo also showed a CD163-dependent tissue accumulation of Gb-NPs-PTX in mice. In summary, by using the novel replacing method, PTX could be easily encapsulated into Hb nanoparticles and the targeting effects of Hb could also be kept.
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MESH Headings
- Animals
- Antigens, CD/genetics
- Antigens, CD/metabolism
- Antigens, Differentiation, Myelomonocytic/genetics
- Antigens, Differentiation, Myelomonocytic/metabolism
- Antineoplastic Agents, Phytogenic/administration & dosage
- Antineoplastic Agents, Phytogenic/chemistry
- Antineoplastic Agents, Phytogenic/pharmacokinetics
- Biological Transport
- CHO Cells
- Chemistry, Pharmaceutical
- Cricetulus
- Drug Carriers
- Globins/chemistry
- Globins/metabolism
- Heme/chemistry
- Heme/metabolism
- Mice, Inbred BALB C
- Nanoparticles
- Nanotechnology
- Paclitaxel/administration & dosage
- Paclitaxel/chemistry
- Paclitaxel/pharmacokinetics
- Particle Size
- Receptors, Cell Surface/genetics
- Receptors, Cell Surface/metabolism
- Technology, Pharmaceutical/methods
- Tissue Distribution
- Transfection
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Affiliation(s)
- Zhengjie Meng
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, 210093, People's Republic of China; College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China
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25
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Improved cisplatin delivery in cervical cancer cells by utilizing folate-grafted non-aggregated gelatin nanoparticles. Biomed Pharmacother 2015; 69:1-10. [DOI: 10.1016/j.biopha.2014.10.016] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Accepted: 10/16/2014] [Indexed: 01/02/2023] Open
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27
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Tekade RK, Tekade M, Kumar M, Chauhan AS. Dendrimer-stabilized smart-nanoparticle (DSSN) platform for targeted delivery of hydrophobic antitumor therapeutics. Pharm Res 2014; 32:910-28. [PMID: 25205461 DOI: 10.1007/s11095-014-1506-0] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Accepted: 08/29/2014] [Indexed: 12/30/2022]
Abstract
PURPOSE To formulate dendrimer-stabilized smart-nanoparticle (DSSN; pD-ANP-f) for the targeted delivery of the highly hydrophobic anticancer drug, Paclitaxel (PTXL). METHOD The developed nanoformulations were evaluated for particle size, surface-charge, loading efficiency, particle density, in-vitro drug release, SEM/TEM, cytotoxicity assay, fluorescence uptake, HPLC quantitative cell uptake assay, flow cytometry, tubulin polymerization, and stability assessments. RESULTS The developed pD-ANP-f nanoformulation (135.17 ± 7.39 nm; -2.05 ± 0.37 mV and 80.11 ± 4.39% entrapment) exhibited a pH-dependent drug release; remained stable in physiological pH, while rapid releasing PTXL under tumorous environment (pH 5.5). The cytotoxicity assay performed in cervical, breast, blood, and liver cancer cell lines showed pD-ANP-f to be strongly suppressing the growth of cancer cells. We investigated the fluorescence based intracellular trafficking and HPLC based cellular uptake of nanoformulated drug and the result indicates higher cellular uptake of pD-ANP-f compared to other formulations. pD-ANP-f prominently induced apoptosis (73.11 ± 3.84%) and higher polymerization of tubulins (59.73 ± 6.22%). DSSN nanoformulation was found to be extremely biocompatible (<1% hemolytic) compared to naked PTXL (19.22 ± 1.01%) as well as PTXL-dendrimer nanocomplex (8.29 ± 0.71%). CONCLUSION DSSN strategy is a novel and promising platform for biomedical applications that can be effectively engaged for the delivery of drug/gene/siRNA targeting.
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Affiliation(s)
- Rakesh K Tekade
- Preclinical Nuclear Imaging Laboratory, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas, 75390, USA,
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Das M, Jain R, Agrawal AK, Thanki K, Jain S. Macromolecular Bipill of Gemcitabine and Methotrexate Facilitates Tumor-Specific Dual Drug Therapy with Higher Benefit-to-Risk Ratio. Bioconjug Chem 2014; 25:501-9. [DOI: 10.1021/bc400477q] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Manasmita Das
- Centre
for Pharmaceutical
Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India
| | - Roopal Jain
- Centre
for Pharmaceutical
Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India
| | - Ashish Kumar Agrawal
- Centre
for Pharmaceutical
Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India
| | - Kaushik Thanki
- Centre
for Pharmaceutical
Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India
| | - Sanyog Jain
- Centre
for Pharmaceutical
Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India
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Guo W, Zheng M, Zhong Y, Meng F, Deng C, Zhong Z. Poly(ethylene oxide)-graft-methotrexate Macromolecular Drugs Conjugating via Aminopteridine Ring Exhibit Potent Anticancer Activity. CHINESE J CHEM 2013. [DOI: 10.1002/cjoc.201300611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Das M, Datir SR, Singh RP, Jain S. Augmented anticancer activity of a targeted, intracellularly activatable, theranostic nanomedicine based on fluorescent and radiolabeled, methotrexate-folic Acid-multiwalled carbon nanotube conjugate. Mol Pharm 2013; 10:2543-57. [PMID: 23683251 DOI: 10.1021/mp300701e] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The present study reports the design, synthesis, and biological evaluation of a novel, intravenously injectable, theranostic prodrug based on multiwalled carbon nanotubes (MWCNTs) concomitantly decorated with a fluorochrome (Alexa-fluor, AF488/647), radionucleide (Technitium-99m), tumor-targeting module (folic acid, FA), and anticancer agent (methotrexate, MTX). Specifically, MTX was conjugated to MWCNTs via a serum-stable yet intracellularly hydrolyzable ester linkage to ensure minimum drug loss in circulation. Cell uptake studies corroborated the selective internalization of AF-FA-MTX-MWCNTs (1) by folate receptor (FR) positive human lung (A549) and breast (MCF 7) cancer cells through FR mediated endocytosis. Lysosomal trafficking of 1 enabled the conjugate to exert higher anticancer activity as compared to its nontargeted counterpart that was mainly restricted to cytoplasm. Tumor-specific accumulation of 1 in Ehlrich Ascites Tumor (EAT) xenografted mice was almost 19 and 8.6 times higher than free MTX and FA-deprived MWCNTs. Subsequently, the conjugate 1 was shown to arrest tumor growth more effectively in chemically breast tumor induced rats, when compared to either free MTX or nontargeted controls. Interestingly, the anticancer activities of the ester-linked CNT-MTX conjugates (including the one deprived of FA) were significantly higher than their amide-linked counterpart, suggesting that cleavability of linkers between drug and multifunctional nanotubes critically influence their therapeutic performance. The results were also supported by in silico docking and ligand similarity analysis. Toxicity studies in mice confirmed that all CNT-MTX conjugates were devoid of any perceivable hepatotoxicity, cardiotoxicity, and nephrotoxicity. Overall, the delivery property of MWCNTs, high tumor binding avidity of FA, optical detectability of AF fluorochromes, and radio-traceability of (99m)Tc could be successfully integrated and partitioned on a single CNT-platform to augment the therapeutic efficacy of MTX against FR overexpressing cancer cells while allowing a real-time monitoring of treatment response through multimodal imaging.
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Affiliation(s)
- Manasmita Das
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) , Sector 67, SAS Nagar (Mohali) Punjab, India 160062
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Das M, Singh RP, Datir SR, Jain S. Surface Chemistry Dependent “Switch” Regulates the Trafficking and Therapeutic Performance of Drug-Loaded Carbon Nanotubes. Bioconjug Chem 2013; 24:626-39. [DOI: 10.1021/bc300598z] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Manasmita Das
- Centre for Pharmaceutical
Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, SAS Nagar
(Mohali), Punjab, 160062, India
| | - Raman Preet Singh
- Centre for Pharmaceutical
Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, SAS Nagar
(Mohali), Punjab, 160062, India
| | - Satyajit R. Datir
- Centre for Pharmaceutical
Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, SAS Nagar
(Mohali), Punjab, 160062, India
| | - Sanyog Jain
- Centre for Pharmaceutical
Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, SAS Nagar
(Mohali), Punjab, 160062, India
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32
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A review of therapeutic challenges and achievements of methotrexate delivery systems for treatment of cancer and rheumatoid arthritis. Cancer Chemother Pharmacol 2013; 71:1115-30. [PMID: 23292116 DOI: 10.1007/s00280-012-2062-0] [Citation(s) in RCA: 155] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2012] [Accepted: 12/19/2012] [Indexed: 12/15/2022]
Abstract
PURPOSE Methotrexate (MTX) is one of the most widely studied and effective therapeutics agents available to treat many solid tumors, hematologic malignancies, and autoimmune diseases such as rheumatoid arthritis; however, the poor pharmacokinetic and narrow safety margin of the drug limits the therapeutic outcomes of conventional drug delivery systems. For an improved delivery of MTX, several pathophysiological features such as angiogenesis, enhanced permeability and retention effects, acidosis, and expression of specific antigens and receptors can be used either as targets or as tools for drug delivery. METHODS There are many novel delivery systems developed to improve the pitfalls of MTX therapy ranged from polymeric conjugates such as human serum albumin, liposomes, microspheres, solid lipid nanoparticles, polymeric nanoparticles, dendrimers, polymeric micelles, in situ forming hydrogels, carrier erythrocyte, and nanotechnology-based vehicles such as carbon nanotubes, magnetic nanoparticles, and gold nanoparticles. Some are further modified with targeting ligands for active targeting purposes. RESULTS Such delivery systems provide prolonged plasma profile, enhanced and specific activity in vitro and in vivo in animal models. Nevertheless, more complementary studies are needed before they can be applied in human. CONCLUSION This review deals with the challenges of conventional systems and achievements of each pharmaceutical class of novel drug delivery vehicle.
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Datir SR, Das M, Singh RP, Jain S. Hyaluronate Tethered, “Smart” Multiwalled Carbon Nanotubes for Tumor-Targeted Delivery of Doxorubicin. Bioconjug Chem 2012; 23:2201-13. [DOI: 10.1021/bc300248t] [Citation(s) in RCA: 114] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Satyajit R. Datir
- Centre for
Pharmaceutical Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and
Research (NIPER), Sector 67, SAS Nagar
(Mohali) Punjab, India 160062
| | - Manasmita Das
- Centre for
Pharmaceutical Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and
Research (NIPER), Sector 67, SAS Nagar
(Mohali) Punjab, India 160062
| | - Raman Preet Singh
- Centre for
Pharmaceutical Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and
Research (NIPER), Sector 67, SAS Nagar
(Mohali) Punjab, India 160062
| | - Sanyog Jain
- Centre for
Pharmaceutical Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and
Research (NIPER), Sector 67, SAS Nagar
(Mohali) Punjab, India 160062
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Singh RP, Das M, Thakare V, Jain S. Functionalization density dependent toxicity of oxidized multiwalled carbon nanotubes in a murine macrophage cell line. Chem Res Toxicol 2012; 25:2127-37. [PMID: 22994501 DOI: 10.1021/tx300228d] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The present study investigates the effect of functionalization density on the toxicity and cellular uptake of oxidized multiwalled carbon nanotubes (f-MWCNTs) in vitro. The toxicity of f-MWCNTs at varying degrees of carboxylation was assessed in a murine macrophage RAW 264.7 cell line, a model for liver Kupffer cells. In vitro cytotoxicity of oxidized MWCNTs was directly proportional to their functionalization density. The increased cytotoxicity was associated with a concurrent increase in the number of apoptotic cells and production of reactive nitrogen species (RNS). In contrast, reactive oxygen species (ROS) generation was the highest in the case of pristine MWCNTs and decreased with increased functionalization density. Quantitative cellular uptake studies indicated that endogenous ROS production was independent of the concentration of CNTs internalized by a specific cell population and was directly proportional to their surface hydrophobicity. Mechanistic studies suggested that cellular uptake of CNTs was critically charge-dependent and mediated through scavenger receptors, albeit the involvement of nonscavenger receptor mechanisms at low CNT concentrations and their saturation at the experimental concentration cannot be ruled out. A mathematical model was established to correlate between the cellular uptake of CNTs with their length and zeta potential. In an attempt to correlate the results of in vitro toxicity experiments with those of the in vivo toxicity in the mouse model, we found that the toxicity trends in vitro and in vivo are rather opposing. The apparent anomaly was explained on the basis of different experimental conditions and doses associated with cells under in vivo and in vitro culture conditions.
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Affiliation(s)
- Raman Preet Singh
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research-NIPER, SAS Nagar-Mohali Punjab, India 160062
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Jain S, Valvi PU, Swarnakar NK, Thanki K. Gelatin Coated Hybrid Lipid Nanoparticles for Oral Delivery of Amphotericin B. Mol Pharm 2012; 9:2542-53. [DOI: 10.1021/mp300320d] [Citation(s) in RCA: 103] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sanyog Jain
- Centre for
Pharmaceutical Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, SAS Nagar
(Mohali), Punjab-160062, India
| | - Pankaj U. Valvi
- Centre for
Pharmaceutical Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, SAS Nagar
(Mohali), Punjab-160062, India
| | - Nitin K. Swarnakar
- Centre for
Pharmaceutical Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, SAS Nagar
(Mohali), Punjab-160062, India
| | - Kaushik Thanki
- Centre for
Pharmaceutical Nanotechnology, Department
of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, SAS Nagar
(Mohali), Punjab-160062, India
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Jain V, Swarnakar NK, Mishra PR, Verma A, Kaul A, Mishra AK, Jain NK. Paclitaxel loaded PEGylated gleceryl monooleate based nanoparticulate carriers in chemotherapy. Biomaterials 2012; 33:7206-20. [PMID: 22809646 DOI: 10.1016/j.biomaterials.2012.06.056] [Citation(s) in RCA: 102] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Accepted: 06/22/2012] [Indexed: 10/28/2022]
Abstract
A PEGylated drug delivery system of paclitaxel (PTX), based on glyceryl monooleate (GMO) was prepared by optimizing various parameters to explore its potential in anticancer therapy. The prepared system was characterized through polarized light microscopy, TEM, AFM and SAXS to reveal its liquid crystalline nature. As GMO based LCNPs exhibit high hemolytic toxicity and faster release of entrapped drug (66.2 ± 2.5% in 24 h), PEGylation strategy was utilized to increase the hemocompatibility (reduction in hemolysis from 60.3 ± 10.2 to 4.4 ± 1.3%) and control the release of PTX (43.6 ± 3.2% released in 24 h). The cytotoxic potential and cellular uptake was assessed in MCF-7 cell lines. Further, biodistribution studies were carried out in EAT (Ehrlich Ascites tumor) bearing mice using (99m)Tc-(Technetium radionuclide) labeled formulations and an enhanced circulation time and tumor accumulation (14 and 8 times, respectively) were observed with PEGylated carriers over plain ones, at 24 h. Finally, tumor growth inhibition experiment was performed and after 15 days, control group exhibited 15 times enhancement in tumor volume, while plain and PEGylated systems exhibited only 8 and 4 times enhancement, respectively, as compared to initial tumor volume. The results suggest that PEGylation enhances the hemocompatibility and efficacy of GMO based system that may serve as an efficient i.v. delivery vehicle for paclitaxel.
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Affiliation(s)
- Vikas Jain
- Pharmaceutics Research Laboratory, Department of Pharmaceutical Sciences, Dr H S Gour University, Sagar, MP, India.
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Jain S, Thakare VS, Das M, Godugu C, Jain AK, Mathur R, Chuttani K, Mishra AK. Toxicity of Multiwalled Carbon Nanotubes with End Defects Critically Depends on Their Functionalization Density. Chem Res Toxicol 2011; 24:2028-39. [DOI: 10.1021/tx2003728] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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