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Lalge R, Kaur N, Duggirala NK, Suryanarayanan R. Dual Functionality of Bile Acid: Physical Stabilization of Drugs in the Amorphous Form and Solubility Enhancement in Solution. Mol Pharm 2022; 19:2595-2606. [PMID: 35687125 DOI: 10.1021/acs.molpharmaceut.2c00294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Drugs containing an amino aromatic nitrogen moiety were stabilized in the amorphous form by the surfactant cholic acid (CA). Coamorphous systems of lamotrigine (LAM), pyrimethamine (PYR), and trimethoprim (TRI) were each prepared with CA. Drug-CA interactions, investigated by IR and solid-sate NMR spectroscopy, revealed deprotonation of the carboxylic acid group in CA and the protonation of the most basic nitrogen of the drug. The coamorphous systems exhibited exceptional physical stability and resisted crystallization at (i) elevated temperatures (>100 °C) and (ii) accelerated storage conditions, 40 °C/75% relative humidity for 15 months. The dissolution performance of each coamorphous system was compared with the respective crystalline drug based on the area under the curve (AUC) of the concentration-time profiles. A 25-fold increase in AUC was observed in the PYR-CA coamorphous system. The solubility enhancement is attributed not only due to drug amorphization but also due to solubilization by CA. The supramolecular synthon approach, through a drug-CA interaction, yielded physically stable coamorphous systems with enhanced aqueous drug solubility.
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Affiliation(s)
- Rahul Lalge
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, 9-177 WDH, 308 Harvard Street S.E., Minneapolis, Minnesota 55455, United States
| | - Navpreet Kaur
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, 9-177 WDH, 308 Harvard Street S.E., Minneapolis, Minnesota 55455, United States
| | - Naga Kiran Duggirala
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, 9-177 WDH, 308 Harvard Street S.E., Minneapolis, Minnesota 55455, United States
| | - Raj Suryanarayanan
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, 9-177 WDH, 308 Harvard Street S.E., Minneapolis, Minnesota 55455, United States
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Doganci E, Uner A, Tasdelen MA. Synthesis, characterization and surfactant properties of cholic acid containing linear and star polymers. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02564-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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di Gregorio MC, Cautela J, Galantini L. Physiology and Physical Chemistry of Bile Acids. Int J Mol Sci 2021; 22:1780. [PMID: 33579036 PMCID: PMC7916809 DOI: 10.3390/ijms22041780] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 02/04/2021] [Indexed: 02/06/2023] Open
Abstract
Bile acids (BAs) are facial amphiphiles synthesized in the body of all vertebrates. They undergo the enterohepatic circulation: they are produced in the liver, stored in the gallbladder, released in the intestine, taken into the bloodstream and lastly re-absorbed in the liver. During this pathway, BAs are modified in their molecular structure by the action of enzymes and bacteria. Such transformations allow them to acquire the chemical-physical properties needed for fulling several activities including metabolic regulation, antimicrobial functions and solubilization of lipids in digestion. The versatility of BAs in the physiological functions has inspired their use in many bio-applications, making them important tools for active molecule delivery, metabolic disease treatments and emulsification processes in food and drug industries. Moreover, moving over the borders of the biological field, BAs have been largely investigated as building blocks for the construction of supramolecular aggregates having peculiar structural, mechanical, chemical and optical properties. The review starts with a biological analysis of the BAs functions before progressively switching to a general overview of BAs in pharmacology and medicine applications. Lastly the focus moves to the BAs use in material science.
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Affiliation(s)
- Maria Chiara di Gregorio
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Jacopo Cautela
- Department of Chemistry, Sapienza University of Rome, 00185 Rome, Italy;
| | - Luciano Galantini
- Department of Chemistry, Sapienza University of Rome, 00185 Rome, Italy;
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Feng J, Wen W, Jia YG, Liu S, Guo J. pH-Responsive Micelles Assembled by Three-Armed Degradable Block Copolymers with a Cholic Acid Core for Drug Controlled-Release. Polymers (Basel) 2019; 11:E511. [PMID: 30960495 PMCID: PMC6473676 DOI: 10.3390/polym11030511] [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: 02/16/2019] [Revised: 03/13/2019] [Accepted: 03/14/2019] [Indexed: 02/06/2023] Open
Abstract
One of the most famous anticancer drugs, paclitaxel (PTX), has often been used in drug controlled-release studies. The polymers derived from bio-compound bile acids and degradable poly(ε-caprolactone) (PCL) form a reservoir and have been used as a drug delivery system with great advantages. Herein, we grafted poly(N,N-diethylaminoethyl methacrylate) and poly(poly(ethylene glycol) methyl ether methacrylate) into the bile acid-derived three-armed macroinitiator CA-(PCL)₃, resulting in the amphiphilic block copolymers CA-(PCL-b-PDEAEMA-b-PPEGMA)₃. These pH-responsive three-armed block copolymers self-assembled into micelles in aqueous solution and PTX was encapsulated into the micellar core to form PTX-loaded micelles with a drug loading of 29.92 wt %. The micelles were stable in PBS at pH 7.4 and showed a pH-triggered release behavior of PTX under acidic environments, in which 55% of PTX was released at pH 5.0 in 80 h. These cholic acid-based functionalized three-armed block polymers present good biocompatibility, showing great potential for drug controlled-release.
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Affiliation(s)
- Jingjie Feng
- School of Chemical Engineering & Light Industry, Guangdong University of Technology, Guangzhou 510006, China.
| | - Weiqiu Wen
- School of Chemical Engineering & Light Industry, Guangdong University of Technology, Guangzhou 510006, China.
| | - Yong-Guang Jia
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China.
| | - Sa Liu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China.
| | - Jianwei Guo
- School of Chemical Engineering & Light Industry, Guangdong University of Technology, Guangzhou 510006, China.
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Cunningham AJ, Robinson M, Banquy X, Leblond J, Zhu XX. Bile Acid-Based Drug Delivery Systems for Enhanced Doxorubicin Encapsulation: Comparing Hydrophobic and Ionic Interactions in Drug Loading and Release. Mol Pharm 2018; 15:1266-1276. [PMID: 29378128 DOI: 10.1021/acs.molpharmaceut.7b01091] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Doxorubicin (Dox) is a drug of choice in the design of drug delivery systems directed toward breast cancers, but is often limited by loading and control over its release from polymer micelles. Bile acid-based block copolymers present certain advantages over traditional polymer-based systems for drug delivery purposes, since they can enable a higher drug loading via the formation of a reservoir through their aggregation process. In this study, hydrophobic and electrostatic interactions are compared for their influence on Dox loading inside cholic acid based block copolymers. Poly(allyl glycidyl ether) (PAGE) and poly(ethylene glycol) (PEG) were grafted from the cholic acid (CA) core yielding a star-shaped block copolymer with 4 arms (CA-(PAGE- b-PEG)4) and then loaded with Dox via a nanoprecipitation technique. A high Dox loading of 14 wt % was achieved via electrostatic as opposed to hydrophobic interactions with or without oleic acid as a cosurfactant. The electrostatic interactions confer a pH responsiveness to the system. 50% of the loaded Dox was released at pH 5 in comparison to 12% at pH 7.4. The nanoparticles with Dox loaded via hydrophobic interactions did not show such a pH responsiveness. The systems with Dox loaded via electrostatic interactions showed the lowest IC50 and highest cellular internalization, indicating the pre-eminence of this interaction in Dox loading. The blank formulations are biocompatible and did not show cytotoxicity up to 0.17 mg/mL. The new functionalized star block copolymers based on cholic acid show great potential as drug delivery carriers.
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Affiliation(s)
- Alexander J Cunningham
- Département de Chimie , Université de Montréal , CP 6128, Succursale Centre-ville, Montréal , Quebec H3C 3J7 , Canada
| | - Mattieu Robinson
- Département de Gérontologie , Université de Sherbrooke , Sherbrooke , Quebec J1H 4C4 , Canada
| | - Xavier Banquy
- Faculté de Pharmacie , Université de Montréal , CP 6128, Succursale Centre-ville, Montréal , Quebec H3C 3J7 , Canada
| | - Jeanne Leblond
- Faculté de Pharmacie , Université de Montréal , CP 6128, Succursale Centre-ville, Montréal , Quebec H3C 3J7 , Canada
| | - X X Zhu
- Département de Chimie , Université de Montréal , CP 6128, Succursale Centre-ville, Montréal , Quebec H3C 3J7 , Canada
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Ban C, Jo M, Lim S, Choi YJ. Control of the gastrointestinal digestion of solid lipid nanoparticles using PEGylated emulsifiers. Food Chem 2018; 239:442-452. [DOI: 10.1016/j.foodchem.2017.06.137] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 05/22/2017] [Accepted: 06/26/2017] [Indexed: 11/28/2022]
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Abstract
Bile acids are gaining increasing importance as building blocks in the development of novel polymeric materials. This is evidenced by the growing number of publications advocating the advantages of their incorporation in the design and construction of materials. Composed of a rigid steroid backbone, functional groups with potential towards diverse reactions, and a biocompatible framework, there are various ways in which these molecules can be utilized to afford biomaterials via distinct architectures. Soft materials utilize the intrinsic capacity of bile acids to self-assemble and have seen a range of applications, most notably in the field of drug delivery. On the other hand, there is also the possibility of including bile acids in the polymer backbone, which has been used in the preparation of elastomers. This review discusses a selection of materials that can be prepared using bile acids and the advantages afforded by these molecules. Focus will be on the development of soft and hard materials, where soft materials are described as being held by weak intermolecular interactions, whereas hard materials are mechanically stronger with bile acids covalently incorporated in the polymer network.
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Affiliation(s)
- Alexander J. Cunningham
- Département de Chimie, Université de Montréal, C.P. 1628, Succursale Centre-ville, Montréal, QC H3C 3J7, Canada
- Département de Chimie, Université de Montréal, C.P. 1628, Succursale Centre-ville, Montréal, QC H3C 3J7, Canada
| | - X.X. Zhu
- Département de Chimie, Université de Montréal, C.P. 1628, Succursale Centre-ville, Montréal, QC H3C 3J7, Canada
- Département de Chimie, Université de Montréal, C.P. 1628, Succursale Centre-ville, Montréal, QC H3C 3J7, Canada
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Thuy VTT, Lim CW, Park JH, Ahn CH, Kim D. Self-assembled nanoaggregates based on polyaspartamide graft copolymers for pH-controlled release of doxorubicin. J Mater Chem B 2015; 3:2978-2985. [DOI: 10.1039/c4tb01930j] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The hydrazone group was effectively cleaved to release doxorubicin (DOX) conjugated on PASPAM in an acidic environment.
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Affiliation(s)
- Van Tran Thi Thuy
- School of Chemical Engineering
- Sungkyunkwan University
- Suwon
- Republic of Korea
| | - Cheol Won Lim
- School of Chemical Engineering
- Sungkyunkwan University
- Suwon
- Republic of Korea
| | - Jae Hyung Park
- School of Chemical Engineering
- Sungkyunkwan University
- Suwon
- Republic of Korea
| | - Cheol-Hee Ahn
- Department of Materials Science and Engineering
- Seoul National University
- Seoul 151-744
- Republic of Korea
| | - Dukjoon Kim
- School of Chemical Engineering
- Sungkyunkwan University
- Suwon
- Republic of Korea
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Salmaso S, Bersani S, Mastrotto F, Tonon G, Schrepfer R, Genovese S, Caliceti P. Self‐assembling nanocomposites for protein delivery: Supramolecular interactions between PEG‐cholane and rh‐G‐CSF. J Control Release 2012; 162:176-84. [DOI: 10.1016/j.jconrel.2012.06.018] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Revised: 06/12/2012] [Accepted: 06/13/2012] [Indexed: 02/02/2023]
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Wang XH, Tian Q, Wang W, Zhang CN, Wang P, Yuan Z. In vitro evaluation of polymeric micelles based on hydrophobically-modified sulfated chitosan as a carrier of doxorubicin. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2012; 23:1663-1674. [PMID: 22538726 DOI: 10.1007/s10856-012-4627-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2011] [Accepted: 03/19/2012] [Indexed: 05/31/2023]
Abstract
Four types of doxorubicin (DOX)-loaded polymeric micelles based on hydrophobically-modified sulfated chitosan (SCTS) were prepared. The hydrophobic group was composed of glycyrrhetinic acid (GA), cholic acid, stearic acid (SA) or lauric aldehyde. DOX encapsulation depended on several parameters, including the degree of substitution of the sulfate group and the hydrophobic group, and the type of hydrophobic group. Of these micelles, GA-SCTS micelles had the best capability to solubilize DOX. In addition, GA-SCTS micelles had the ability to target HepG(2) cells, and the IC50 for DOX-loaded GA-SCTS micelles was 54.7 ng/mL, which was much lower than that of the other micelles. Further studies on the DOX-loaded GA-SCTS micelles showed that they were stable in salt and protein solutions, in cell culture media, and during long-term storage (6 months). Based on these results, these micelles may be a promising DOX-encapsulated formulation, particularly, GA-SCTS as a potential vehicle for liver-targeted delivery.
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Affiliation(s)
- Xiu-Hua Wang
- Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Nankai University, Tianjin, 300071, People's Republic of China
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Yang SC, Faller R. Pressure and surface tension control self-assembled structures in mixtures of Pegylated and non-pegylated lipids. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:2275-2280. [PMID: 22148936 DOI: 10.1021/la203850z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
PEGylated lipid membrane structure and phase behavior are important areas of study because of their potential in various biochemical, biomedical, and pharmaceutical applications. Here, we study mixed bilayers of DOPC (1,2-dioleoyl-sn-glycero-3-phosphocholine) and PEGylated DOPCs (on phosphorus) in water using the MARTINI coarse-grained force field and show that the self-assembled structures can be changed between micelles and bilayers by applying different isotropic and semiisotropic (i.e., surface tension) pressure conditions. Radial distribution functions as well as radii of gyration confirm that structures are distinctly different. The results indicate that environmental conditions can be used to transform, manipulate, and eventually control lipid assemblies.
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Affiliation(s)
- Shou-Chuang Yang
- Department of Chemical Engineering & Materials Science, University of California-Davis, Davis, California 95616, USA
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Tian Q, Wang XH, Wang W, Zhang CN, Wang P, Yuan Z. Self-assembly and liver targeting of sulfated chitosan nanoparticles functionalized with glycyrrhetinic acid. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2011; 8:870-9. [PMID: 22100756 DOI: 10.1016/j.nano.2011.11.002] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 05/12/2011] [Revised: 10/09/2011] [Accepted: 11/06/2011] [Indexed: 01/09/2023]
Abstract
A drug carrier based on glycyrrhetinic acid-modified sulfated chitosan (GA-SCTS) was synthesized. The glycyrrhetinic acid (GA) acted as both a hydrophobic group and a liver-targeting ligand. The GA-SCTS micelles displayed rapid and significant ability to target the liver in vivo. The IC(50) for doxorubicin (DOX)-loaded GA-SCTS micelles (DOX/SA-SCTS micelles) against HepG2 cells was 54.7 ng/mL, which was extremely lower than the amount of no-GA-modified DOX-loaded micelles. In addition, DOX/SA-SCTS micelles could target specifically the liver cancer cells. They had higher affinity for the liver cancer cells (HepG2 cells) than for the normal liver cells (Chang liver cells). There was nearly 2.18-fold improvement in uptake of the DOX/SA-SCTS micelles by HepG2 cells than that by Chang liver cells. These results indicate that GA-SCTS is not only an excellent carrier for drugs, but also a potential vehicle for liver-cancer targeting.
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Affiliation(s)
- Qin Tian
- Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Nankai University, Tianjin, P. R. China
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Lee H, Pastor RW. Coarse-grained model for PEGylated lipids: effect of PEGylation on the size and shape of self-assembled structures. J Phys Chem B 2011; 115:7830-7. [PMID: 21618987 PMCID: PMC3462017 DOI: 10.1021/jp2020148] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Self-assembly of polyethylene glycol (PEG)-grafted lipids at different sizes and concentrations was simulated using the MARTINI coarse-grained (CG) force field. The interactions between CG PEG and CG dipalmitoylglycerophosphocholine (DPPC)-lipids were parametrized by matching densities of 19-mers of PEG and polyethylene oxide (PEO) grafted to the bilayer from all-atom simulations. Mixtures of lipids and PEG-grafted (M(w) = 550, 1250, and 2000) lipids in water self-assembled to liposomes, bicelles, and micelles at different ratios of lipids and PEGylated lipids. Average aggregate sizes decrease with increasing PEGylated-lipid concentration, in qualitative agreement with experiment. PEGylated lipids concentrate at the rims of bicelles, rather than at the planar surfaces; this also agrees with experiment, though the degree of segregation is less than that assumed in previous modeling of the experimental data. Charged lipids without PEG evenly distribute at the rim and planar surfaces of the bicelle. The average end-to-end distances of the PEG on the PEGylated lipids are comparable in liposomes, bicelles (edge or planar surface), and micelles and only slightly larger than for an isolated PEG in solution. The ability of PEGylated lipids to induce the membrane curvature by the bulky headgroup with larger PEG, and thereby modulate the phase behavior and size of lipid assemblies, arises from their relative concentration.
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Affiliation(s)
- Hwankyu Lee
- Department of Chemical Engineering, Dankook University, Yongin, 448-701, South Korea.
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