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Martínez VR, Aguirre MV, Todaro JS, Lima AM, Stergiopulos N, Ferrer EG, Williams PA. Zinc complexation improves angiotensin II receptor type 1 blockade and in vivo antihypertensive activity of telmisartan. Future Med Chem 2021; 13:13-23. [PMID: 33243020 DOI: 10.4155/fmc-2020-0093] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background: Angiotensin II receptor blockers were designed as therapeutic agents to block the binding site of the angiotensin II receptor type 1 (AT1R). Methodology: The structure of telmisartan was modified by coordination to the biometal Zn(II), resulting in the compound ZnTelm. Its antihypertensive activity and cellular mechanisms in comparison to telmisartan were studied. Results: Compared with telmisartan, ZnTelm displayed stronger binding to AT1R (binding studies on AT1R-transfected human embryonic kidney cells) and a greater reduction of reactive oxygen species and cytosolic calcium concentration induced by angiotensin II. The antihypertensive activity of the complex (assessed in an N(G)-Nitro-L-arginine methyl ester-induced hypertension model) was significantly higher. ZnTelm also reduced hypertrophy in aortic artery rings and tubular collagen deposition. Conclusion: ZnTelm enhances the AT1R blockade and consequently its antihypertensive effect.
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Affiliation(s)
- Valeria R Martínez
- Centro de Química Inorgánica (CEQUINOR-CONICET-CICPBA-UNLP), 120 no. 1465, La Plata, Argentina
| | - María V Aguirre
- Laboratorio de Investigaciones Bioquímicas, Facultad de Medicina, UNNE, Moreno 1240, Corrientes, Argentina
| | - Juan S Todaro
- Laboratorio de Investigaciones Bioquímicas, Facultad de Medicina, UNNE, Moreno 1240, Corrientes, Argentina
| | - Augusto Martins Lima
- Laboratory of Hemodynamics & Cardiovascular Technology (LHTC), Institute of Bioengineering (Bâtiment MED), Station 9, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Nikolaos Stergiopulos
- Laboratory of Hemodynamics & Cardiovascular Technology (LHTC), Institute of Bioengineering (Bâtiment MED), Station 9, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Evelina G Ferrer
- Centro de Química Inorgánica (CEQUINOR-CONICET-CICPBA-UNLP), 120 no. 1465, La Plata, Argentina
| | - Patricia Am Williams
- Centro de Química Inorgánica (CEQUINOR-CONICET-CICPBA-UNLP), 120 no. 1465, La Plata, Argentina
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Fang T, Zhang J, Zuo T, Wu G, Xu Y, Yang Y, Yang J, Shen Q. Chemo-Photothermal Combination Cancer Therapy with ROS Scavenging, Extracellular Matrix Depletion, and Tumor Immune Activation by Telmisartan and Diselenide-Paclitaxel Prodrug Loaded Nanoparticles. ACS Appl Mater Interfaces 2020; 12:31292-31308. [PMID: 32551473 DOI: 10.1021/acsami.0c10416] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Extracellular matrix (ECM) accumulating in the tumor microenvironment (TME) is generated by tumor-associated fibroblasts. It can elevate interstitial fluid pressure and form dense barriers in tumor tissues. Consequently, nanocarriers are hindered from permeating into deeper tumor sites. Thus, the programmed drug-releasing nanoparticles, G(TM)PPSP, were developed for TME remodeling and breast cancer therapy. Gelatin nanoparticles were linked with platinum nanoparticles (PtNPs) to obtain G(TM)PPSP with a size of 214.0 ± 5.0 nm. Telmisartan (TM) was loaded in gelatin nanoparticles. Paclitaxel (PTX) was attached to PtNPs via a dual redox responsive diselenide bond. TM release was mediated by MMP-2 because of gelatin degradation in TME, and then intracellular PTX was released because of diselenide linkage fracture triggered by ROS or glutathione. ECM was depleted owing to TGF-β downregulation by TM and direct ablation by the photothermal effect of PtNPs. 4T1 tumor progression was inhibited by PTX chemotherapy, intracellular ROS scavenging of PtNPs, and photothermal therapy (PTT). The tumor spheroid penetration assay proved G(TM)PPSP could permeate into deep tumor regions when MMP-2 existed. In vivo antitumor experiments implied G(TM)PPSP with PTT could inhibit tumor growth effectively and remodel TME via ECM depletion and immunity activation, indicating the potential of G(TM)PPSP-based chemo-photothermal combination therapy for breast cancer treatment.
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Affiliation(s)
- Tianxu Fang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Jun Zhang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Tiantian Zuo
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Guangyu Wu
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 1630 Dongfang Road, Shanghai, 200120, P. R. China
| | - Yingxin Xu
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Yifan Yang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Jie Yang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Qi Shen
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
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Li P, Peng Y, Ma Q, Li Z, Zhang X. Study on the Formation of Antihypertensive Twin Drugs by Caffeic Acid and Ferulic Acid with Telmisartan. Drug Des Devel Ther 2020; 14:977-992. [PMID: 32184567 PMCID: PMC7062412 DOI: 10.2147/dddt.s225705] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 02/10/2020] [Indexed: 02/02/2023] Open
Abstract
PURPOSE This study aimed to synthesize twin drugs from cinnamic acid compounds, caffeic acid (CFA) and ferulic acid (FLA), which can antagonize endothelin-1 (ET-1) with telmisartan through ester bonds. Moreover, the antihypertensive effect of telmisartan and its influence on blood pressure variability (BPV) were enhanced, and the bioavailability of caffeic acid and ferulic acid was improved. METHODS Six twin drugs, which were the target compounds, were synthesized. Hypertensive rats (SHR) and conscious sinoaortic-denervated (SAD) rats were spontaneously used as models for pharmacodynamic research to study the antihypertensive efficacy of these twin drugs. Wistar rats were employed as pharmacokinetic research models to investigate the pharmacokinetics of the target compounds via intragastric administration. Cellular pharmacodynamic research was also conducted on the antagonistic action on Ang II-AT1, ETA and ETB receptor. RESULTS Compound 1a was determined as the best antihypertensive twin drug and thus was further studied for its effect on BPV. Compared with that of telmisartan, the antihypertensive effect of compound 1a was improved (p<0.05), and the BPV was reduced (p<0.05). The bioavailability of caffeic acid and ferulic acid after hydrolysis from twin drugs could be increased to varying degrees, and the differences of the main pharmacokinetic parameters among the different forms of caffeic acid and ferulic acid were statistically significant (p<0.05 or p<0.01). Compound 1a had the best antagonistic effect on the Ang II-AT1 receptor. However, the IC50 of Lps-2 was still two orders of magnitude higher than that of the positive drug telmisartan. Hence, the twin drugs worked by metabolizing and regenerating telmisartan and caffeic acid or ferulic acid in the body. CONCLUSION The synthesized twin drugs improved telmisartan's antihypertensive effects, significantly decreased BPV in SAD rats and increased the bioavailability of caffeic acid and ferulic acid. This study serves as a basis for the development of new angiotensin receptor blocker (ARB) in the future and a reference for the development of new drugs to antagonize ET-1.
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Affiliation(s)
- Pengshou Li
- Department of Food Science and Engineering, School of Food and Drug, Luoyang Normal University, Luoyang471934, People’s Republic of China
| | - Yingying Peng
- Department of Food Science and Engineering, School of Food and Drug, Luoyang Normal University, Luoyang471934, People’s Republic of China
| | - Qixiang Ma
- Cancer Institute, Fudan University Cancer Hospital and Cancer Metabolism Laboratory, Institutes of Biomedical Sciences, Fudan University, Shanghai200032, People’s Republic of China
| | - Ziyong Li
- Department of Food Science and Engineering, School of Food and Drug, Luoyang Normal University, Luoyang471934, People’s Republic of China
| | - Xiaohua Zhang
- Department of Traditional Chinese Medicine and Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing100102, People’s Republic of China
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Hadi AG, Jawad K, El-Hiti GA, Alotaibi MH, Ahmed AA, Ahmed DS, Yousif E. Photostabilization of Poly(vinyl chloride) by Organotin(IV) Compounds against Photodegradation. Molecules 2019; 24:molecules24193557. [PMID: 31581427 PMCID: PMC6804033 DOI: 10.3390/molecules24193557] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 09/22/2019] [Accepted: 09/30/2019] [Indexed: 11/18/2022] Open
Abstract
Poly(vinyl chloride) (PVC), a polymer widely used in common household and industrial materials, undergoes photodegradation upon ultraviolet irradiation, leading to undesirable physicochemical properties and a reduced lifetime. In this study, four telmisartan organotin(IV) compounds were tested as photostabilizers against photodegradation. PVC films (40-µm thickness) containing these compounds (0.5 wt%) were irradiated with ultraviolet light at room temperature for up to 300 h. Changes in various polymeric parameters, including the growth of hydroxyl, carbonyl, and alkene functional groups, weight loss, reduction in molecular weight, and appearance of surface irregularities, were investigated to test the efficiency of the photostabilizers. The changes were more noticeable in the blank PVC film than in the films containing the telmisartan organotin(IV) compounds. These results reflect that these compounds effectively inhibit the photodegradation of PVC, possibly by acting as hydrogen chloride and radical scavengers, peroxide decomposers, and primary photostabilizers. The synthesized organotin(IV) complexes could be used as PVC additives to enhance photostability.
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Affiliation(s)
- Angham G Hadi
- Department of Chemistry, College of Science, Babylon University, Babil 51002, Iraq.
| | - Khudheyer Jawad
- Department of Chemistry, College of Science, Babylon University, Babil 51002, Iraq.
| | - Gamal A El-Hiti
- Cornea Research Chair, Department of Optometry, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia.
| | - Mohammad Hayal Alotaibi
- National Center for Petrochemicals Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia.
| | - Ahmed A Ahmed
- Polymer Research Unit, College of Science, Al-Mustansiriyah University, Baghdad 10052, Iraq.
| | - Dina S Ahmed
- Department of Medical Instrumentation Engineering, Al-Mansour University College, Baghdad 64021, Iraq.
| | - Emad Yousif
- Department of Chemistry, College of Science, Al-Nahrain University, Baghdad 64021, Iraq.
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Hadi AG, Jawad K, Yousif E, El-Hiti GA, Alotaibi MH, Ahmed DS. Synthesis of Telmisartan Organotin(IV) Complexes and their use as Carbon Dioxide Capture Media. Molecules 2019; 24:E1631. [PMID: 31027205 PMCID: PMC6514663 DOI: 10.3390/molecules24081631] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 04/22/2019] [Accepted: 04/24/2019] [Indexed: 11/21/2022] Open
Abstract
Novel, porous, highly aromatic organotin(IV) frameworks were successfully synthesized by the condensation of telmisartan and an appropriate tin(IV) chloride. The structures of the synthesized organotin(IV) complexes were elucidated by elemental analysis, 1H-, 13C-, and 119Sn-NMR, and FTIR spectroscopy. The surface morphologies of the complexes were inspected by field emission scanning electron microscopy. The synthesized mesoporous organotin(IV) complexes have a Brunauer-Emmett-Teller (BET) surface area of 32.3-130.4 m2·g-1, pore volume of 0.046-0.162 cm3·g-1, and pore size of around 2.4 nm. The tin complexes containing a butyl substituent were more efficient as carbon dioxide storage media than the complexes containing a phenyl substituent. The dibutyltin(IV) complex had the highest BET surface area (SBET = 130.357 m2·g-1), the largest volume (0.162 cm3·g-1), and was the most efficient for carbon dioxide storage (7.1 wt%) at a controlled temperature (323 K) and pressure (50 bars).
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Affiliation(s)
- Angham G Hadi
- Department of Chemistry, College of Science, Babylon University, Babil 51002, Iraq.
| | - Khudheyer Jawad
- Department of Chemistry, College of Science, Babylon University, Babil 51002, Iraq.
| | - Emad Yousif
- Department of Chemistry, College of Science, Al-Nahrain University, Baghdad 64021, Iraq.
| | - Gamal A El-Hiti
- Department of Optometry, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia.
| | - Mohammad Hayal Alotaibi
- National Center for Petrochemicals Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia.
| | - Dina S Ahmed
- Department of Medical Instrumentation Engineering, Al-Mansour University College, Baghdad 64021, Iraq.
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Son HY, Chae BR, Choi JY, Shin DJ, Goo YT, Lee ES, Kang TH, Kim CH, Yoon HY, Choi YW. Optimization of self-microemulsifying drug delivery system for phospholipid complex of telmisartan using D-optimal mixture design. PLoS One 2018; 13:e0208339. [PMID: 30517187 PMCID: PMC6281252 DOI: 10.1371/journal.pone.0208339] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 11/15/2018] [Indexed: 01/09/2023] Open
Abstract
To improve the dissolution behavior of telmisartan (TMS), a poorly water-soluble angiotensin II receptor blocker, TMS-phospholipid complex (TPC) was prepared by solvent evaporation method and characterized by differential scanning calorimetry and powder X-ray diffractometry. The crystalline structure of TMS was transited into an amorphous state by TPC formation. The equilibrium solubility of TPC (1.3-6.1 mg/mL) in various vehicles was about 100 times higher than that of TMS (0.009-0.058 mg/mL). TPC-loaded self-microemulsifying drug delivery system (SMEDDS) formulation was optimized using the D-optimal mixture design with the composition of 14% Capryol 90 (oil; X1), 59.9% tween 80 (surfactant; X2), and 26.1% tetraglycol (cosurfactant; X3) as independent variables, which resulted in a droplet size of 22.17 nm (Y1), TMS solubilization of 4.06 mg/mL (Y2), and 99.4% drug release in 15 min (Y3) as response factors. The desirability function value was 0.854, indicating the reliability and accuracy of optimization; in addition, good agreement was found between the model prediction and experimental values of Y1, Y2, and Y3. Dissolution of raw TMS was poor and pH-dependent, where it had extremely low dissolution (< 1% for 2 h) in water, pH 4, and pH 6.8 media; however, it showed fast and high dissolution (> 90% in 5 min) in pH 1.2 medium. In contrast, the dissolution of the optimized TPC-loaded SMEDDS was pH-independent and reached over 90% within 5 min in all the media tested. Thus, we suggested that phospholipid complex formation and SMEDDS formulation using the experimental design method might be a promising approach to enhance the dissolution of poorly soluble drugs.
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Affiliation(s)
- Ho Yong Son
- College of Pharmacy, Chung-Ang University, Dongjak-gu, Seoul, Republic of Korea
| | - Bo Ram Chae
- College of Pharmacy, Chung-Ang University, Dongjak-gu, Seoul, Republic of Korea
| | - Ji Yeh Choi
- Department of Psychology, National University of Singapore, Singapore, Republic of Singapore
| | - Dong Jun Shin
- College of Pharmacy, Chung-Ang University, Dongjak-gu, Seoul, Republic of Korea
| | - Yoon Tae Goo
- College of Pharmacy, Chung-Ang University, Dongjak-gu, Seoul, Republic of Korea
| | - Eun Seok Lee
- College of Pharmacy, Chung-Ang University, Dongjak-gu, Seoul, Republic of Korea
| | - Tae Hoon Kang
- College of Pharmacy, Chung-Ang University, Dongjak-gu, Seoul, Republic of Korea
| | - Chang Hyun Kim
- College of Pharmacy, Chung-Ang University, Dongjak-gu, Seoul, Republic of Korea
| | - Ho Yub Yoon
- College of Pharmacy, Chung-Ang University, Dongjak-gu, Seoul, Republic of Korea
| | - Young Wook Choi
- College of Pharmacy, Chung-Ang University, Dongjak-gu, Seoul, Republic of Korea
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