1
|
Montà-González G, Bastante-Rodríguez D, García-Fernández A, Lusby PJ, Martínez-Máñez R, Martí-Centelles V. Comparing organic and metallo-organic hydrazone molecular cages as potential carriers for doxorubicin delivery. Chem Sci 2024; 15:10010-10017. [PMID: 38966373 PMCID: PMC11220577 DOI: 10.1039/d4sc02294g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 06/06/2024] [Indexed: 07/06/2024] Open
Abstract
Molecular cages are three-dimensional supramolecular structures that completely wrap guest molecules by encapsulation. We describe a rare comparative study between a metallo-organic cage and a fully organic analogous system, obtained by hydrazone bond formation self-assembly. Both cages are able to encapsulate the anticancer drug doxorubicin, with the organic cage forming a 1 : 1 inclusion complex with μM affinity, whereas the metallo-organic host experiences disassembly by interaction with the drug. Stability experiments reveal that the ligands of the metallo-organic cage are displaced in buffer at neutral, acidic, and basic pH, while the organic cage only disassembles under acidic conditions. Notably, the organic cage also shows minimal cell toxicity, even at high doses, whilst the doxorubicin-cage complex shows in vitro anti-cancer activity. Collectively, these results show that the attributes of the pure organic molecular cage are suitable for the future challenges of in vivo drug delivery using molecular cages.
Collapse
Affiliation(s)
- Giovanni Montà-González
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València Camino de Vera, s/n 46022 Valencia Spain
- Departamento de Química, Universitat Politècnica de València Camí de Vera s/n 46022 Valencia Spain
- EaStCHEM, School of Chemistry Joseph Black Building, David Brewster Road EH93FJ Edinburgh UK
| | - David Bastante-Rodríguez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València Camino de Vera, s/n 46022 Valencia Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Valencia, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe Avenida Eduardo Primo Yúfera, 3 46012 Valencia Spain
| | - Alba García-Fernández
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III 28029 Madrid Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Valencia, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe Avenida Eduardo Primo Yúfera, 3 46012 Valencia Spain
| | - Paul J Lusby
- EaStCHEM, School of Chemistry Joseph Black Building, David Brewster Road EH93FJ Edinburgh UK
| | - Ramón Martínez-Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III 28029 Madrid Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Valencia, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe Avenida Eduardo Primo Yúfera, 3 46012 Valencia Spain
- Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, Instituto de Investigación Sanitaria La Fe (IISLAFE) Avenida Fernando Abril Martorell, 106 46026 Valencia Spain
- Departamento de Química, Universitat Politècnica de València Camí de Vera s/n 46022 Valencia Spain
| | - Vicente Martí-Centelles
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València Camino de Vera, s/n 46022 Valencia Spain
- CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III 28029 Madrid Spain
- Departamento de Química, Universitat Politècnica de València Camí de Vera s/n 46022 Valencia Spain
| |
Collapse
|
2
|
Saddam Hussain M, Khetan R, Clulow AJ, Ganesan R, MacMillan A, Robinson N, Ahmed-Cox A, Krasowska M, Albrecht H, Blencowe A. Teaching an Old Dog New Tricks: A Global Approach to Enhancing the Cytotoxicity of Drug-Loaded, Non-responsive Micelles Using Oligoelectrolytes. ACS APPLIED MATERIALS & INTERFACES 2024; 16:9736-9748. [PMID: 38349780 DOI: 10.1021/acsami.3c16551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
Polymeric micelles have been extensively studied as vectors for the delivery of hydrophobic drugs for the treatment of cancers and other diseases. Despite intensive research, few formulations provide significant benefits, and even fewer have been clinically approved. While many traditional non-responsive micelles have excellent safety profiles, they lack the ability to respond to the intracellular environment and release their cargo in a spatiotemporally defined manner to effectively deliver large doses of cytotoxic drugs into the cytosol of cells that overwhelm efflux pumps. As a novel and adaptable strategy, we hypothesized that well-established non-responsive polymeric micelles could be augmented with a pH-trigger via the co-encapsulation of cytocompatible oligoelectrolytes, which would allow rapid cargo release in the endosome, leading to increased cytotoxicity. Herein, we demonstrate how this strategy can be applied to render non-responsive micelles pH-responsive, resulting in abrupt cargo release at specific and tunable pH values compatible with endosomal delivery, which significantly increased their cytotoxicity up to 3-fold in an ovarian adenocarcinoma (SKOV-3) cell line compared to non-responsive micelles. In comparison, the oligoelectrolyte-loaded micelles were significantly less toxic to healthy 3T3 fibroblasts, indicating a selective cargo release in cancer cell lines. Oligoelectrolytes can be co-encapsulated in the micelles along with drugs at high encapsulation efficiency percentages, which are both ejected from the micelle core upon oligoelectrolyte ionization. Mechanistically, the increase in cytotoxicity appears to also result from the accelerated endosomal escape of the cargo caused by disruption of the endosomal membrane by the simultaneous release of the oligoelectrolytes from the micelles. Furthermore, we show how this approach is broadly applicable to non-responsive micelles regardless of their composition and various classes of hydrophobic chemotherapeutics. The preliminary studies presented here reveal the versatility and wide scope of oligoelectrolyte-mediated, pH-triggered drug release as a compelling and powerful strategy to enhance the cytotoxicity of non-responsive polymeric micelles.
Collapse
Affiliation(s)
- Md Saddam Hussain
- Applied Chemistry and Translational Biomaterials (ACTB) Group, Centre for Pharmaceutical Innovation (CPI), UniSA CHS, University of South Australia, Adelaide, South Australia 5000, Australia
| | - Riya Khetan
- Centre for Pharmaceutical Innovation (CPI), UniSA CHS, University of South Australia, Adelaide, South Australia 5000, Australia
| | - Andrew J Clulow
- Australian Synchrotron, Australian Nuclear Science and Technology Organisation (ANSTO), 800 Blackburn Road, Clayton, Victoria 3168, Australia
- Drug Delivery, Disposition & Dynamics, Monash Institute of Pharmaceutical Sciences, 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - Raja Ganesan
- Centre for Cancer Biology, UniSA CHS, University of South Australia, Adelaide, South Australia 5000, Australia
| | - Alexander MacMillan
- Katharina Gaus Light Microscopy Facility, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, New South Wales 2033, Australia
| | - Nirmal Robinson
- Centre for Cancer Biology, UniSA CHS, University of South Australia, Adelaide, South Australia 5000, Australia
| | - Aria Ahmed-Cox
- Katharina Gaus Light Microscopy Facility, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, New South Wales 2033, Australia
- Children's Cancer Institute, Lowy Cancer Research Centre, University of New South Wales, Sydney, New South Wales 2750, Australia
- Australian Centre for Nanomedicine, Faculty of Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Marta Krasowska
- Surface Interactions and Soft Matter (SISM) Group, Future Industries Institute, UniSA STEM, University of South Australia, Mawson Lakes, South Australia 5095, Australia
| | - Hugo Albrecht
- Centre for Pharmaceutical Innovation (CPI), UniSA CHS, University of South Australia, Adelaide, South Australia 5000, Australia
| | - Anton Blencowe
- Applied Chemistry and Translational Biomaterials (ACTB) Group, Centre for Pharmaceutical Innovation (CPI), UniSA CHS, University of South Australia, Adelaide, South Australia 5000, Australia
| |
Collapse
|
3
|
Bakhrushina EO, Mikhel IB, Buraya LM, Moiseev ED, Zubareva IM, Belyatskaya AV, Evzikov GY, Bondarenko AP, Krasnyuk II, Krasnyuk II. Implantation of In Situ Gelling Systems for the Delivery of Chemotherapeutic Agents. Gels 2024; 10:44. [PMID: 38247767 PMCID: PMC10815592 DOI: 10.3390/gels10010044] [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: 11/30/2023] [Revised: 12/30/2023] [Accepted: 01/02/2024] [Indexed: 01/23/2024] Open
Abstract
Implantation is a modern method of administering chemotherapeutic agents, with a highly targeted effect and better patient tolerance due to the low frequency of administration. Implants are capable of controlled release, which makes them a viable alternative to infusional chemotherapy, allowing patients to enjoy a better quality of life without the need for prolonged hospitalization. Compared to subcutaneous implantation, intratumoral implantation has a number of significant advantages in terms of targeting and side effects, but this area of chemotherapy is still poorly understood in terms of clinical trials. At the same time, there are more known developments of drugs in the form of implants and injections for intratumoral administration. The disadvantages of classical intratumoral implants are the need for surgical intervention to install the system and the increased risk of tumor rupture noted by some specialists. The new generation of implants are in situ implants-systems formed in the tumor due to a phase transition (sol-gel transition) under the influence of various stimuli. Among this systems some are highly selective for a certain type of malignant neoplasm. Such systems are injected and have all the advantages of intratumoral injections, but due to the phase transition occurring in situ, they form depot forms that allow the long-term release of chemotherapeutic agents.
Collapse
Affiliation(s)
- Elena O. Bakhrushina
- Department of Pharmaceutical Technology, A.P. Nelyubin Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119048, Russia; (E.O.B.); (L.M.B.); (E.D.M.); (I.M.Z.); (A.V.B.); (I.I.K.)
| | - Iosif B. Mikhel
- Department of Pharmaceutical Technology, A.P. Nelyubin Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119048, Russia; (E.O.B.); (L.M.B.); (E.D.M.); (I.M.Z.); (A.V.B.); (I.I.K.)
| | - Liliya M. Buraya
- Department of Pharmaceutical Technology, A.P. Nelyubin Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119048, Russia; (E.O.B.); (L.M.B.); (E.D.M.); (I.M.Z.); (A.V.B.); (I.I.K.)
| | - Egor D. Moiseev
- Department of Pharmaceutical Technology, A.P. Nelyubin Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119048, Russia; (E.O.B.); (L.M.B.); (E.D.M.); (I.M.Z.); (A.V.B.); (I.I.K.)
| | - Irina M. Zubareva
- Department of Pharmaceutical Technology, A.P. Nelyubin Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119048, Russia; (E.O.B.); (L.M.B.); (E.D.M.); (I.M.Z.); (A.V.B.); (I.I.K.)
- Department of Pharmacology, A.P. Nelyubin Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119048, Russia
| | - Anastasia V. Belyatskaya
- Department of Pharmaceutical Technology, A.P. Nelyubin Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119048, Russia; (E.O.B.); (L.M.B.); (E.D.M.); (I.M.Z.); (A.V.B.); (I.I.K.)
| | - Grigory Y. Evzikov
- Department of Nervous Diseases and Neurosurgery, N.V. Sklifosovsky Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119048, Russia;
| | | | - Ivan I. Krasnyuk
- Department of Analytical, Physical and Colloidal Chemistry, A.P. Nelyubin Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119048, Russia;
| | - Ivan I. Krasnyuk
- Department of Pharmaceutical Technology, A.P. Nelyubin Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119048, Russia; (E.O.B.); (L.M.B.); (E.D.M.); (I.M.Z.); (A.V.B.); (I.I.K.)
| |
Collapse
|
4
|
Bhattacharya S, Prajapati BG, Singh S. A critical review on the dissemination of PH and stimuli-responsive polymeric nanoparticular systems to improve drug delivery in cancer therapy. Crit Rev Oncol Hematol 2023; 185:103961. [PMID: 36921781 DOI: 10.1016/j.critrevonc.2023.103961] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/08/2023] [Accepted: 03/10/2023] [Indexed: 03/16/2023] Open
Abstract
Stimuli-responsive nanocarriers have the potential to revolutionize cancer treatment by allowing precise delivery of drugs to the site of disease. The use of polymeric nanocarriers with surfaces that respond to triggers such as pH, light, temperature, and redox potential enables targeted drug distribution. pH is a particularly useful tool, as the lower pH in tumour microenvironments can trigger changes in drug release. Recent advances in the development of pH-responsive polymer nanoparticles have shown great promise for improved in vivo drug delivery, reduced negative drug responses, and more precise drug distribution. A deeper understanding of these nanocarriers will allow us to overcome the challenges of targeted cancer treatment and create a better drug delivery system.
Collapse
Affiliation(s)
- Sankha Bhattacharya
- Department of Pharmaceutics, School of Pharmacy & Technology Management, SVKM'S NMIMS Deemed-to-be University, Shirpur, Maharashtra 425405, India.
| | - Bhuphendra G Prajapati
- Shree S. K. Patel College of Pharmaceutical Education and Research, Ganpat University, 22 Kherva, 384012, India
| | - Sudarshan Singh
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| |
Collapse
|
5
|
Timmers M, Weterings J, van Geijn M, Bell R, Lenting PE, Rijcken CJF, Vermonden T, Hennink WE, Liskamp RMJ. A New Class of Tunable Acid-Sensitive Linkers for Native Drug Release Based on the Trityl Protecting Group. Bioconjug Chem 2022; 33:1707-1715. [PMID: 35979909 PMCID: PMC9501768 DOI: 10.1021/acs.bioconjchem.2c00310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
![]()
Core-cross-linked polymeric micelles (CCPMs) are a promising
nanoparticle
platform due to favorable properties such as their long circulation
and tumor disposition exploiting the enhanced permeability and retention
(EPR) effect. Sustained release of covalently linked drugs from the
hydrophobic core of the CCPM can be achieved by a biodegradable linker
that connects the drug and the core. This study investigates the suitability
of trityl-based linkers for the design of acid-triggered native active
pharmaceutical ingredient (API) release from CCPMs. Trityl linker
derivatives with different substituent patterns were synthesized and
conjugated to model API compounds such as DMXAA-amine, doxorubicin,
and gemcitabine, and their release kinetics were studied. Hereafter,
API release from CCPMs based on mPEG-b-pHPMAmLac block copolymers
was investigated. Variation of the trityl substitution pattern showed
tunability of the API release rate from the trityl-based linker with t1/2 varying from <1.0 to 5.0 h at pH 5.0
and t1/2 from 6.5 to >24 h at pH 7.4,
all at 37 °C. A clear difference in release kinetics was found
between gemcitabine and doxorubicin, with gemcitabine showing no detectable
release for 72 h at pH 5.0 and doxorubicin showing a t1/2 of less than 1 h. Based on these findings, we show
that the reaction mechanism of trityl deprotection plays an important
role in the API release kinetics. The first step in this mechanism,
which is protonation of the trityl-bound amine, is pKa-dependent,
which explains the difference in release rate. In conclusion, acid-sensitive
and tunable trityl linkers are highly promising for the design of
linker–API conjugates and for their use in CCPMs.
Collapse
Affiliation(s)
- Matt Timmers
- Cristal Therapeutics, Maastricht 6229 EV, The Netherlands.,Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht 3584 CG, The Netherlands
| | | | | | - Roel Bell
- Symeres, Nijmegen 6546 BB, The Netherlands
| | - Peter E Lenting
- School of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K
| | | | - Tina Vermonden
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht 3584 CG, The Netherlands
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht 3584 CG, The Netherlands
| | - Rob M J Liskamp
- Cristal Therapeutics, Maastricht 6229 EV, The Netherlands.,School of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K.,Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht 6229 ER, The Netherlands
| |
Collapse
|
6
|
Dutta G, Manickam S, Sugumaran A. Stimuli-Responsive Hybrid Metal Nanocomposite - A Promising Technology for Effective Anticancer Therapy. Int J Pharm 2022; 624:121966. [PMID: 35764265 DOI: 10.1016/j.ijpharm.2022.121966] [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: 05/04/2022] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 11/19/2022]
Abstract
Cancer is one of the most challenging, life-threatening illnesses to cure, with over 10 million new cases diagnosed each year globally. Improved diagnostic cum treatment with common side-effects are warranting for successful therapy. Nanomaterials are recognized to improve early diagnosis, imaging, and treatment. Recently, multifunctional nanocomposites attracted considerable interest due to their low-cost production, and ideal thermal and chemical stability, and will be beneficial in future diagnostics and customized treatment capacity. Stimuli-Responsive Hybrid Metal Nanocomposites (SRHMNs) based nanocomposite materials pose the on/off delivery of bioactive compounds such as medications, genes, RNA, and DNA to specific tissue or organs and reduce toxicity. They simultaneously serve as sophisticated imaging and diagnostic tools when certain stimuli (e.g., temperature, pH, redox, ultrasound, or enzymes) activate the nanocomposite, resulting in the imaging-guided transport of the payload at defined sites. This review in detail addresses the recent advancements in the design and mechanism of internal breakdown processes of the functional moiety from stimuli-responsive systems in response to a range of stimuli coupled with metal nanoparticles. Also, it provides a thorough understanding of SRHMNs, enabling non-invasive interventional therapy by resolving several difficulties in cancer theranostics.
Collapse
Affiliation(s)
- Gouranga Dutta
- Department of Pharmaceutics, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur 603203, India
| | - Sivakumar Manickam
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Jalan Tungku Link Gadong, BE1410, Brunei Darussalam
| | - Abimanyu Sugumaran
- Department of Pharmaceutics, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur 603203, India.
| |
Collapse
|
7
|
Hettiarachchi SD, Kirbas Cilingir E, Maklouf H, Seven ES, Paudyal S, Vanni S, Graham RM, Leblanc RM. pH and redox triggered doxorubicin release from covalently linked carbon dots conjugates. NANOSCALE 2021; 13:5507-5518. [PMID: 33688879 DOI: 10.1039/d0nr08381j] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Tumor microenvironment responsive drug delivery systems are potential approaches to reduce the acute toxicity caused by high-dose cancer chemotherapy. Notwithstanding the conventional nano-drug delivery systems, the redox and pH stimuli drug delivery systems are currently gaining attention. Therefore, the current study was designed to compare three different covalent carbon dots (C-dots) systems based on doxorubicin (dox) release profiles and cancer cell viability efficacy under acidic and physiological conditions. The C-dots nanosystems that were examined in this study are directly conjugated (C-dots-dox), pH triggered (C-dots-HBA-dox), and the redox stimuli (C-dots-S-S-dox) conjugates. The drug loading content (DLC%) of the C-dots-S-S-dox, C-dots-HBA-dox, and C-dots-dox was 34.2 ± 0.4, 60.0 ± 0.3, and 70.0 ± 0.2%, respectively, that examined by UV-vis spectral analysis. The dox release paradigms were emphasized that all three conjugates were promisingly released the dox from C-dots faster in acidic pH than in physiological pH. The displayed highest dox released percentage in the acidic medium was 74.6 ± 0.8% obtained by the pH stimuli, C-dots-HBA-dox conjugate. When introducing the redox inducer, dithiothreitol (DTT), preferentially, the redox stimuli C-dot-S-S-dox conjugate demonstrated a faster dox release at acidic pH than in the pH 7.4. The SJGBM2 cell viability experiments revealed that the pH stimuli, C-dots-HBA-dox conjugate, displayed a significant cell viability drop in the artificially acidified pH 6.4 medium. However, in the physiological pH, the redox stimuli, C-dots-S-S-dox conjugate, was promising over the pH stimuli C-dots-HBA-dox, exhibiting cell viability of 60%, though its' efficacy dropped slightly in the artificially acidified pH 6.4 medium. Moreover, the current study illustrates the stimuli conjugates' remarkable efficacy on sustain drug release than direct amide linkage.
Collapse
Affiliation(s)
- Sajini D Hettiarachchi
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida 33146, USA.
| | - Emel Kirbas Cilingir
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida 33146, USA.
| | - Heidi Maklouf
- Department of Neurological Surgery, University of Miami, Miller School of Medicine, Miami, Florida 33136, USA
| | - Elif S Seven
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida 33146, USA.
| | - Suraj Paudyal
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida 33146, USA.
| | - Steven Vanni
- Department of Neurological Surgery, University of Miami, Miller School of Medicine, Miami, Florida 33136, USA
| | - Regina M Graham
- Department of Neurological Surgery, University of Miami, Miller School of Medicine, Miami, Florida 33136, USA and Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, 1475 NW 12th Ave, Miami, FL 33136, USA
| | - Roger M Leblanc
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida 33146, USA.
| |
Collapse
|
8
|
Zhuo S, Zhang F, Yu J, Zhang X, Yang G, Liu X. pH-Sensitive Biomaterials for Drug Delivery. Molecules 2020; 25:E5649. [PMID: 33266162 PMCID: PMC7730929 DOI: 10.3390/molecules25235649] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/18/2020] [Accepted: 11/23/2020] [Indexed: 12/12/2022] Open
Abstract
The development of precise and personalized medicine requires novel formulation strategies to deliver the therapeutic payloads to the pathological tissues, producing enhanced therapeutic outcome and reduced side effects. As many diseased tissues are feathered with acidic characteristics microenvironment, pH-sensitive biomaterials for drug delivery present great promise for the purpose, which could protect the therapeutic payloads from metabolism and degradation during in vivo circulation and exhibit responsive release of the therapeutics triggered by the acidic pathological tissues, especially for cancer treatment. In the past decades, many methodologies, such as acidic cleavage linkage, have been applied for fabrication of pH-responsive materials for both in vitro and in vivo applications. In this review, we will summarize some pH-sensitive drug delivery system for medical application, mainly focusing on the pH-sensitive linkage bonds and pH-sensitive biomaterials.
Collapse
Affiliation(s)
- Shijie Zhuo
- Clinical Translational Center for Targeted Drug, Department of Pharmacology, School of Medicine, Jinan University, Guangzhou 510632, China; (S.Z.); (F.Z.); (J.Y.)
| | - Feng Zhang
- Clinical Translational Center for Targeted Drug, Department of Pharmacology, School of Medicine, Jinan University, Guangzhou 510632, China; (S.Z.); (F.Z.); (J.Y.)
| | - Junyu Yu
- Clinical Translational Center for Targeted Drug, Department of Pharmacology, School of Medicine, Jinan University, Guangzhou 510632, China; (S.Z.); (F.Z.); (J.Y.)
| | - Xican Zhang
- Clinical Translational Center for Targeted Drug, Department of Pharmacology, School of Medicine, Jinan University, Guangzhou 510632, China; (S.Z.); (F.Z.); (J.Y.)
| | - Guangbao Yang
- Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection & School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Suzhou 215123, China;
| | - Xiaowen Liu
- Clinical Translational Center for Targeted Drug, Department of Pharmacology, School of Medicine, Jinan University, Guangzhou 510632, China; (S.Z.); (F.Z.); (J.Y.)
| |
Collapse
|
9
|
Alsehli M. Polymeric nanocarriers as stimuli-responsive systems for targeted tumor (cancer) therapy: Recent advances in drug delivery. Saudi Pharm J 2020; 28:255-265. [PMID: 32194326 PMCID: PMC7078546 DOI: 10.1016/j.jsps.2020.01.004] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Accepted: 01/19/2020] [Indexed: 11/24/2022] Open
Abstract
In the last decade, considerable attention has been devoted to the use of biodegradable polymeric materials as potential drug delivery carriers. However, bioavailability and drug release at the disease site remain uncontrollable even with the use of polymeric nanocarriers. To address this issue, successful methodologies have been developed to synthesize polymeric nanocarriers incorporated with regions exhibiting a response to stimuli such as redox potential, temperature, pH, and light. The resultant stimuli-responsive polymeric nanocarriers have shown tremendous promise in drug delivery applications, owing to their ability to enhance the bioavailability of drugs at the disease site. In such systems, drug release is controlled in response to specific stimuli, either exogenous or endogenous. This review reports recent advances in the design of stimuli-responsive nanocarriers for drug delivery in cancer therapy. In particular, the synthetic methodologies investigated to date to introduce different types of stimuli-responsive elements within the biomaterials are described. The sufficient understanding of these stimuli-responsive nanocarriers will allow the development of a better drug delivery system that will allow us to solve the challenges encountered in targeted cancer therapy.
Collapse
Affiliation(s)
- Mosa Alsehli
- Department of Chemistry, Taibah University, Madina, Saudi Arabia
| |
Collapse
|
10
|
Tsai WC, Wang Y. Progress of supercritical fluid technology in polymerization and its applications in biomedical engineering. Prog Polym Sci 2019. [DOI: 10.1016/j.progpolymsci.2019.101161] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
11
|
Ryu K, Park J, Kim TI. Effect of pH-Responsive Charge-Conversional Polymer Coating to Cationic Reduced Graphene Oxide Nanostructures for Tumor Microenvironment-Targeted Drug Delivery Systems. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1289. [PMID: 31505845 PMCID: PMC6781034 DOI: 10.3390/nano9091289] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/05/2019] [Accepted: 09/06/2019] [Indexed: 01/02/2023]
Abstract
Tumor tissue represents a slightly acidic pH condition compared to normal tissue due to the accumulation of lactic acids via anaerobic metabolism. In this work, pH-responsive charge-conversional polymer (poly(ethylene imine)-poly(l-lysine)-poly(l-glutamic acid), PKE polymer) was employed for endowing charge-conversional property and serum stability to poly(ethylene imine) conjugated reduced graphene oxide-based drug delivery system (PEI-rGO). Zeta-potential value of PEI-rGO coated with PK5E7 polymer (PK5E7(PEI-rGO)) was -10.9 mV at pH 7.4 and converted to 29.2 mV at pH 6.0, showing pH-responsive charge-conversional property. Sharp-edged plate morphology of PEI-rGO was transformed to spherical nanostructures with vague edges by PK5E7 coating. Size of PK5E7(PEI-rGO) was found to be smaller than that of PEI-rGO in the serum condition, showing its increased serum stability. Loaded doxorubicin (DOX) in PK5E7(PEI-rGO) could be released rapidly in lysosomal condition (pH 5.0, 5 mM glutathione). Furthermore, DOX-loaded PK5E7(PEI-rGO) showed enhanced anticancer activity in HeLa and A549 cells in the tumor microenvironment-mimicking condition (pH 6.0, serum), which would be mediated by non-specific cellular interaction with decorated serum proteins. These results indicate that the pH-responsive charge-conversional PKE polymer coating strategy of cationic rGO nanostructures possesses a potential for acidic tumor microenvironment-targeted drug delivery systems.
Collapse
Affiliation(s)
- Kitae Ryu
- Department of Biosystems & Biomaterials Science and Engineering, College of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Jaehong Park
- Department of Biosystems & Biomaterials Science and Engineering, College of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Tae-Il Kim
- Department of Biosystems & Biomaterials Science and Engineering, College of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea.
- Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea.
| |
Collapse
|
12
|
Liu H, Chen H, Cao F, Peng D, Chen W, Zhang C. Amphiphilic Block Copolymer Poly (Acrylic Acid)-B-Polycaprolactone as a Novel pH-sensitive Nanocarrier for Anti-Cancer Drugs Delivery: In-vitro and In-vivo Evaluation. Polymers (Basel) 2019; 11:E820. [PMID: 31067730 PMCID: PMC6572073 DOI: 10.3390/polym11050820] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 04/27/2019] [Accepted: 04/29/2019] [Indexed: 11/16/2022] Open
Abstract
Gambogenic acid (GNA) has been demonstrated with outstanding antitumor activity as a potential antitumor drug in recent years. However, the low solubility and deficient bioavailability of GNA seriously hinder its practical application in the clinic area. In this study, a novel amphiphilic block copolymer, poly (acrylic acid)-b-polycaprolactone (PAA-b-PCL) is prepared and assembled into pH-responsive polymeric micelles (PMs) as one mold of drug delivery system (DDS) with unique properties. Relevant investigation on PMs exhibits excellent carrying potential and pH-dependent release performance for GNA. The drug loading capacity (DLC) and drug loading efficiency (DLE) for GNA-loaded PMs can be achieved as high as 15.20 ± 0.07% and 83.67 ± 0.49%, respectively. The in vitro experiments indicate that the GNA releasing time, cytotoxicity, and cellular uptake are significantly enhanced. Especially, the peak concentration (Cmax) and area under the curve (AUC) are promoted sharply in the GNA-loaded PMs concentration-time curve. This study not only provides a novel way to widen the application of anticancer GNA in the future, but also extends the potential of stimuli-responsive copolymers to biomedical applications.
Collapse
Affiliation(s)
- Huanhuan Liu
- The College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Hong Chen
- The College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Fuhu Cao
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China.
| | - Daiyin Peng
- The College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Weidong Chen
- The College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Chuanling Zhang
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China.
| |
Collapse
|