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Fayez H, Selim A, Shamma R, Rashed H. Intranasal Radioiodinated Ferulic Acid Polymeric Micelles as the First Nuclear Medicine Imaging Probe for ETRA Brain Receptor. Curr Radiopharm 2024; 17:209-217. [PMID: 38213167 DOI: 10.2174/0118744710269885231113070356] [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: 06/30/2023] [Revised: 08/17/2023] [Accepted: 09/27/2023] [Indexed: 01/13/2024]
Abstract
INTRODUCTION The aim of this work was to prepare a selective nuclear medicine imaging probe for the Endothelin 1 receptor A in the brain. MATERIAL AND METHODS Ferulic acid (an ETRA antagonist) was radiolabeled using 131I by direct electrophilic substitution method. The radiolabeled ferulic acid was formulated as polymeric micelles to allow intranasal brain delivery. Biodistribution was studied in Swiss albino mice by comparing brain uptake of 131I-ferulic acid after IN administration of 131I-ferulic acid polymeric micelles, IN administration of 131I-ferulic acid solution and IV administration of 131I-ferulic acid solution. RESULTS Successful radiolabeling was achieved with an RCY of 98 % using 200 μg of ferulic acid and 60 μg of CAT as oxidizing agents at pH 6, room temperature and 30 min reaction time. 131I-ferulic acid polymeric micelles were successfully formulated with the particle size of 21.63 nm and polydispersity index of 0.168. Radioactivity uptake in the brain and brain/blood uptake ratio for I.N 131I-ferulic acid polymeric micelles were greater than the two other routes at all periods. CONCLUSION Our results provide 131I-ferulic acid polymeric micelles as a hopeful nuclear medicine tracer for ETRA brain receptor.
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Affiliation(s)
- Hend Fayez
- Department of Labeled Compounds, Hot Laboratories Center, Egyptian Atomic Energy Authority, Cairo, Egypt
| | - Adli Selim
- Department of Labeled Compounds, Hot Laboratories Center, Egyptian Atomic Energy Authority, Cairo, Egypt
| | - Rehab Shamma
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, 11561, Egypt
| | - Hassan Rashed
- Department of Labeled Compounds, Hot Laboratories Center, Egyptian Atomic Energy Authority, Cairo, Egypt
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Sinai University, Kantara, Egypt
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Tawfik MA, Eltaweel MM, Fatouh AM, Shamsel-Din HA, Ibrahim AB. Brain targeting of zolmitriptan via transdermal terpesomes: statistical optimization and in vivo biodistribution study by 99mTc radiolabeling technique. Drug Deliv Transl Res 2023; 13:3059-3076. [PMID: 37273147 PMCID: PMC10624728 DOI: 10.1007/s13346-023-01373-0] [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: 05/22/2023] [Indexed: 06/06/2023]
Abstract
Zolmitriptan (ZT) is a potent second generation triptan, commonly administered to alleviate migraine attacks. ZT suffers various limitations; massive hepatic first pass metabolism, P-gp efflux transporters susceptibility, and limited (≈40%) oral bioavailability. Transdermal route of administration could be explored to enhance its bioavailability. A 23.31 full factorial design was constructed to developed twenty-four ZT loaded terpesomes via thin film hydration technique. The influence of drug: phosphatidylcholine ratio, terpene type, terpene concentration and sodium deoxycholate concentration on the characterization of the developed ZT-loaded terpesomes was assessed. Particle size (PS), zeta potential (ZP), ZT entrapment efficiency (EE%), drug loading (DL%) and drug released percentages after 6 h (Q6h) were the selected dependent variables. Further morphological, crystallinity, and in-vivo histopathological studies were conducted for the optimum terpesomes (T6). 99mTc-ZT and 99mTc-ZT-T6 gel were radio-formulated for in-vivo biodistribution studies in mice following transdermal application of 99mTc-ZT-T6 gel, relative to 99mTc-ZT oral solution. T6 terpesomes [comprising ZT and phosphatidylcholine (1:15), cineole (1% w/v) and sodium deoxycholate (0.1% w/v)] were optimum with respect to spherical PS (290.2 nm), ZP (-48.9 mV), EE% (83%), DL% (3.9%) and Q6h (92.2%) with desirability value of 0.85. The safety of the developed T6 terpesomes was verified by the in-vivo histopathological studies. 99mTc-ZT-T6 gel showed maximum brain concentration (5 ± 0.1%ID/ g) with highest brain to blood ratio of 1.92 ± 0.1 at 4 h post transdermal application. Significant improvement of ZT brain relative bioavailability (529%) and high brain targeting efficiency (315%) were revealed with 99mTc-ZT-T6 gel, which confirmed successful ZT delivery to the brain. Terpesomes could be safe, successful systems capable of improving ZT bioavailability with high brain targeting efficiency.
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Affiliation(s)
- Mai Ahmed Tawfik
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
| | - Mai M Eltaweel
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Ahmed M Fatouh
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Hesham A Shamsel-Din
- Labeled Compounds Department, Hot Labs Center, Egyptian Atomic Energy Authority, Cairo, 13759, Egypt
| | - Ahmed B Ibrahim
- Labeled Compounds Department, Hot Labs Center, Egyptian Atomic Energy Authority, Cairo, 13759, Egypt
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Refaye MSE, Khater SI, Essam HM, Aglan H. Radiosynthesis, In Vitro and In Vivo Evaluation of 99mTc-Silodosin as a Tumor Marker in Mice. RADIOCHEMISTRY 2022. [DOI: 10.1134/s1066362221060151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ataeinia B, Heidari P. Artificial Intelligence and the Future of Diagnostic and Therapeutic Radiopharmaceutical Development:: In Silico Smart Molecular Design. PET Clin 2021; 16:513-523. [PMID: 34364818 PMCID: PMC8453048 DOI: 10.1016/j.cpet.2021.06.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Novel diagnostic and therapeutic radiopharmaceuticals are increasingly becoming a central part of personalized medicine. Continued innovation in the development of new radiopharmaceuticals is key to sustained growth and advancement of precision medicine. Artificial intelligence has been used in multiple fields of medicine to develop and validate better tools for patient diagnosis and therapy, including in radiopharmaceutical design. In this review, we first discuss common in silico approaches and focus on their usefulness and challenges in radiopharmaceutical development. Next, we discuss the practical applications of in silico modeling in design of radiopharmaceuticals in various diseases.
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Affiliation(s)
- Bahar Ataeinia
- Department of Radiology, Massachusetts General Hospital, 55 Fruit St, Wht 427, Boston, MA 02114, USA
| | - Pedram Heidari
- Department of Radiology, Massachusetts General Hospital, 55 Fruit St, Wht 427, Boston, MA 02114, USA.
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Soliman MM, Sakr TM, Rashed HM, Hamed AA, Abd El-Rehim HA. Polyethylene oxide-polyacrylic acid-folic acid (PEO-PAAc) nanogel as a 99m Tc targeting receptor for cancer diagnostic imaging. J Labelled Comp Radiopharm 2021; 64:534-547. [PMID: 34582054 DOI: 10.1002/jlcr.3952] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/17/2021] [Accepted: 09/21/2021] [Indexed: 01/14/2023]
Abstract
Nanoparticles are frequently used as targeting delivery systems for therapeutic and diagnostic radiopharmaceuticals. Polyethylene oxide-polyacrylic acid (PEO-PAAc) nanogel was prepared via γ-radiation-induced polymerization. Variable factors affecting nanoparticles size were investigated. The nanogel was radiolabeled with the imaging radioisotope 99m Tc and finally conjugated with folic acid to target folate receptor actively. PEO-PAAc-folic acid gel was characterized by dynamic light scattering (DLS) and atomic force microscopy (AFM). Biodistribution was studied in normal mice and solid tumor-bearing mice via intravenous and intratumor injections of the radiolabeled PEO-PAAc-folic acid nanogel. Results of biodistribution showed high selective uptake of the prepared complex in tumor muscle compared with normal muscle for both intravenous and intratumor injections. The T/NT ratio was found to be 6.186 and 294.5 for intravenous and intratumor injections, respectively. Consequently, 99m Tc-PEO-PAAc-folic acid complex could be a promising agent for cancer diagnostic imaging.
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Affiliation(s)
- Moamen M Soliman
- Department of Polymers, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, Egypt
| | - Tamer M Sakr
- Radioactive Isotopes and Generator Department, Hot Labs Center, Egyptian Atomic Energy Authority, Cairo, Egypt
| | - Hassan M Rashed
- Labeled Compounds Department, Hot Labs Center, Egyptian Atomic Energy Authority, Cairo, Egypt.,Department of Pharmaceutics, Faculty of Pharmacy, Sinai University, Kantara, Egypt
| | - Ashraf A Hamed
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Hassan A Abd El-Rehim
- Department of Polymers, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, Egypt
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Gold nanoparticles for 99mTc-doxorubicin delivery: formulation, in vitro characterization, comparative studies in vivo stability and biodistribution. J Radioanal Nucl Chem 2021. [DOI: 10.1007/s10967-021-07633-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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El-Sharawy DM, Khater SI, H.M E, Sherif NH, Hassan HM, Elmaidomy AH. 99mTc-Luteolin: Radiolabeling, In Silico ADMET and Biological Evaluation as a Natural Tracer Tumor imaging. JOURNAL OF RADIATION RESEARCH AND APPLIED SCIENCES 2021. [DOI: 10.1080/16878507.2021.1881400] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Dina M. El-Sharawy
- Labeled Compounds Department, Hot Lab. Center, Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
- Cyclotron Project, Nuclear Research Centre, Cairo, Egypt
- Departement of Pharmaceutics and Clinical Pharmacy, Faculty of Pharmacy, Nahda University (NUB), Beni-Sweif, Egypt
| | - S. I. Khater
- Cyclotron Project, Nuclear Research Centre, Cairo, Egypt
- Radioactive Isotopes and Generators Department, Hot Lab. Center, Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Essam H.M
- Cyclotron Project, Nuclear Research Centre, Cairo, Egypt
- Biology Department, Nuclear Research Center, Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Noheir H. Sherif
- Drug Radiation Research Department, National Center for Radiation Research and Technology Atomic Energy Authority, Egypt
- Department of Pharmacognosy, Faculty of Pharmacy, Nahda University, Beni-Suef, Egypt
| | - Hossam M. Hassan
- Department of Pharmacognosy, Faculty of Pharmacy, Nahda University, Beni-Suef, Egypt
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Abeer H. Elmaidomy
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
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Gizawy MA, El-Tahawy MMT, Motaleb MA. Radiosynthesis, molecular modeling and biodistribution of 99mTc-Protoporphyrin as a preclinical model for tumor diagnosis. J PORPHYR PHTHALOCYA 2020. [DOI: 10.1142/s1088424620500352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Porphyrins are among the most important and widely used compounds involved in a variety of chemical and biochemical applications. These molecules exhibit very special properties that encourage researchers to label many derivatives with diagnostic or therapeutic radionuclides for medical applications. This study reports the radiolabeling and biodistribution of [Formula: see text]Tc-protoporphyrin IX ([Formula: see text]Tc-PPIX) as a novel potential solid-tumor imaging agent. The factors affecting the radiolabeling process were varied to achieve maximum radiochemical yield. [Formula: see text]Tc-PPIX was obtained in high yield of 97.34 ± 0.21% and high stability in serum up to 24 h. The radiochemical yield of [Formula: see text]Tc-PPIX was assessed by a combination of a paper chromatographic technique and HPLC. A computational analysis for all the potential structures that may be formed due to the interaction between protoporphyrin IX and technetium was performed via the DFT method of calculations in gas phase to predict the most likely structure. Molecular docking was further employed to shed light on the nature of the interaction between the most stable complexes with the target protein. Finally, the in-vivo biodistribution of [Formula: see text]Tc-PPIX complex was evaluated in solid-tumor-bearing mice and high tumor/tissue ratio of 5.17 ± 0.34 at 60 min post injection was obtained. Our finding clearly suggests [Formula: see text]Tc-PPIX as a potential SPECT agent for tumor imaging.
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Affiliation(s)
- Mohamed A. Gizawy
- Labeled Compounds Department, Hot Labs Center, Atomic Energy Authority, P.O. Box 13759, Cairo, Egypt
- Radioisotopes Production Facility (RPF), Egyptian Second Research Reactor (ETRR-2), Atomic Energy Authority, P.O. Box 13759, Cairo, Egypt
| | | | - Mohamed A. Motaleb
- Labeled Compounds Department, Hot Labs Center, Atomic Energy Authority, P.O. Box 13759, Cairo, Egypt
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Fayez H, El-Motaleb MA, Selim AA. Synergistic Cytotoxicity Of Shikonin-Silver Nanoparticles As An Opportunity For Lung Cancer. J Labelled Comp Radiopharm 2019; 63:25-32. [PMID: 31785206 DOI: 10.1002/jlcr.3818] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 11/24/2019] [Accepted: 11/27/2019] [Indexed: 12/20/2022]
Abstract
The combined action of shikonin and silver nanoparticles (AgNPs) for apoptosis in human cancer cells has not been elucidated. Hence, we investigated the synergistic combinatorial effect of shikonin and AgNPs in human lung cancer cells. Shikonin was used as a reducing and capping agent for AgNPs synthesis as a green method avoiding the hazards of chemical methods. Radiolabeling of shikonin-AgNPs with radioactive iodine forming [131 I]I-Shikonin-AgNPs was carried out to enable the intracellular tracking of NPs. The antitumor effect of a combined treatment (shikonin-AgNPs) was evaluated using tissue culture assay. The 50% inhibitory concentration (IC50 ) of SHK-AgNPs on A549 cells after 24 hours determined by an MTT assay is 2.4 ± 0.11 μg/mL. As a deduction, this study revealed that the combination of shikonin and AgNPs treatment significantly inhibited cell viability and proliferation of A549 cells (human lung carcinoma cell line) with a great potential than the monotherapy.
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Affiliation(s)
- Hend Fayez
- Labeled Compounds Department, Hot Labs Center, Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Mohamed Abd El-Motaleb
- Labeled Compounds Department, Hot Labs Center, Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Adli Abdullah Selim
- Labeled Compounds Department, Hot Labs Center, Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
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Rational design of some substituted phenyl azanediyl (bis) methylene phosphonic acid derivatives as potential anticancer agents and imaging probes: Computational inputs, chemical synthesis, radiolabeling, biodistribution and gamma scintigraphy. Bioorg Chem 2019; 92:103282. [DOI: 10.1016/j.bioorg.2019.103282] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 09/10/2019] [Accepted: 09/11/2019] [Indexed: 01/13/2023]
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Intranasal drug delivery of iodo-haloperidol as a radiopharmaceutical brain imaging agent. J Radioanal Nucl Chem 2018. [DOI: 10.1007/s10967-018-6359-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Preparation of 99mTc-levetiracetam intranasal microemulsion as the first radiotracer for SPECT imaging of the Synaptic Vesicle Protein SV2A. Eur J Pharm Sci 2018; 121:29-33. [DOI: 10.1016/j.ejps.2018.05.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 04/28/2018] [Accepted: 05/18/2018] [Indexed: 12/17/2022]
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Nasr T, Bondock S, Rashed HM, Fayad W, Youns M, Sakr TM. Novel hydrazide-hydrazone and amide substituted coumarin derivatives: Synthesis, cytotoxicity screening, microarray, radiolabeling and in vivo pharmacokinetic studies. Eur J Med Chem 2018; 151:723-739. [PMID: 29665526 DOI: 10.1016/j.ejmech.2018.04.014] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 03/31/2018] [Accepted: 04/06/2018] [Indexed: 01/04/2023]
Abstract
The current work presents the synthesis and biological evaluation of new series of coumarin hydrazide-hydrazone derivatives that showed in vitro broad spectrum antitumor activities against resistant pancreatic carcinoma (Panc-1), hepatocellular carcinoma (HepG2) and leukemia (CCRF) cell lines using doxorubicin as reference standard. Bromocoumarin hydrazide-hydrazone derivative (BCHHD) 11b showed excellent anticancer activity against all tested cancer cell lines. Enzyme assays showed that BCHHD 11b induced apoptosis due to activation of caspases 3/7. Moreover, 11b inhibited GST and CYP3A4 in a dose dependent manner and the induced cell death could be attributed to metabolic inhibition. Moreover, 11b microarray analysis showed significant up- and down-regulation of many genes in the treated cells related to apoptosis, cell cycle, tumor growth and suppressor genes. All of the above presents BCHHD 11b as a potent anticancer agent able to overcome drug resistance. In addition, compound 11b was able to serve as a chemical carrier for 99mTc and the in vivo biodistribution study of 99mTc-11b complex revealed a remarkable targeting ability of 99mTc into solid tumor showing that 99mTc-11b might be used as a promising radiopharmaceutical imaging agent for cancer.
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Affiliation(s)
- Tamer Nasr
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Helwan University, Egypt; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Modern University for Technology and Information, Egypt.
| | - Samir Bondock
- Department of Chemistry, Faculty of Science, Mansoura University, ET-35516, Mansoura, Egypt; Department of Chemistry, Faculty of Science, King Khalid University, 9004, Abha, Saudi Arabia
| | - Hassan M Rashed
- Labeled Compounds Department, Hot Labs Center, Egyptian Atomic Energy Authority, P.O. Code 13759, Cairo, Egypt
| | - Walid Fayad
- Drug Bioassay-Cell Culture Laboratory, Pharmacognosy Department, National Research Centre, Dokki, Giza, 12622, Egypt
| | - Mahmoud Youns
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Helwan University, Egypt.
| | - Tamer M Sakr
- Radioactive Isotopes and Generators Department, Hot Laboratories Centre, Atomic Energy Authority, P.O. Code 13759, Cairo, Egypt; Pharmaceutical Chemistry Department, Faculty of Pharmacy, October University of Modern Sciences and Arts (MSA), Giza, Egypt.
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In Silico-Based Repositioning of Phosphinothricin as a Novel Technetium-99m Imaging Probe with Potential Anti-Cancer Activity. Molecules 2018; 23:molecules23020496. [PMID: 29473879 PMCID: PMC6017358 DOI: 10.3390/molecules23020496] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 02/08/2018] [Accepted: 02/16/2018] [Indexed: 12/25/2022] Open
Abstract
l-Phosphinothricin (glufosinate or 2-amino-4-((hydroxy(methyl) phosphinyl) butyric acid ammonium salt (AHPB)), which is a structural analog of glutamate, is a recognized herbicide that acts on weeds through inhibition of glutamine synthetase. Due to the structural similarity between phosphinothricin and some bisphosphonates (BPs), this study focuses on investigating the possibility of repurposing phosphinothricin as a bisphosphonate analogue, particularly in two medicine-related activities: image probing and as an anti-cancer drug. As BP is a competitive inhibitor of human farnesyl pyrophosphate synthase (HFPPS), in silico molecular docking and dynamic simulations studies were established to evaluate the binding and stability of phosphinothricin with HFPPS, while the results showed good binding and stability in the active site of the enzyme in relation to alendronate. For the purpose of inspecting bone-tissue accumulation of phosphinothricin, a technetium (99mTc)–phosphinothricin complex was developed and its stability and tissue distribution were scrutinized. The radioactive complex showed rapid, high and sustained uptake into bone tissues. Finally, the cytotoxic activity of phosphinothricin was tested against breast and lung cancer cells, with the results indicating cytotoxic activity in relation to alendronate. All the above results provide support for the use of phosphinothricin as a potential anti-cancer drug and of its technetium complex as an imaging probe.
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Shamsel-Din HA, Ibrahim AB. A novel radiolabeled indole derivative as solid tumor imaging agent: in silico and preclinical pharmacological study. J Radioanal Nucl Chem 2017. [DOI: 10.1007/s10967-017-5551-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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131 I-trazodone: preparation, quality control and in vivo biodistribution study by intranasal and intravenous routes as a hopeful brain imaging radiopharmaceutical. Rev Esp Med Nucl Imagen Mol 2017. [DOI: 10.1016/j.remnie.2017.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Motaleb M, Ibrahim I, Sayyed M, Awad G. 131 I-trazodone: preparation, quality control and in vivo biodistribution study by intranasal and intravenous routes as a hopeful brain imaging radiopharmaceutical. Rev Esp Med Nucl Imagen Mol 2017; 36:371-376. [DOI: 10.1016/j.remn.2017.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 03/06/2017] [Accepted: 03/08/2017] [Indexed: 11/16/2022]
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Challan SB, Massoud A. Radiolabeling of graphene oxide by Tchnetium-99m for infection imaging in rats. J Radioanal Nucl Chem 2017. [DOI: 10.1007/s10967-017-5561-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Sakr TM, Ibrahim AB, Fasih TW, Rashed HM. Preparation and biological profile of 99mTc-lidocaine as a cardioselective imaging agent using 99mTc eluted from 99Mo/99mTc generator based on Al–Mo gel. J Radioanal Nucl Chem 2017. [DOI: 10.1007/s10967-017-5560-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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99mTc-hexoprenaline and 131I-dapoxetine: preparation, in silico modeling and biological evaluation as promising lung scintigraphy radiopharmaceuticals. J Radioanal Nucl Chem 2017. [DOI: 10.1007/s10967-017-5500-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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