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Amirinasab M, Dehestani M. Theoretical aspects of interaction of the anticancer drug cytarabine with human serum albumin. Struct Chem 2023:1-9. [PMID: 37363044 PMCID: PMC10052281 DOI: 10.1007/s11224-023-02164-6] [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: 06/09/2022] [Accepted: 03/10/2023] [Indexed: 03/31/2023]
Abstract
Despite diagnostic and therapeutic methods, cancer is a major cause of death worldwide. Since anticancer drugs affect both normal and cancer cells, targeted drug delivery systems can play a key role in reducing the destructive effects of anticancer drugs on normal cells. In this regard, the use of stimulus-sensitive polymers has increased in recent years. This study has attempted to investigate interaction of the anticancer drug cytarabine with a stimuli-sensitive polymer, human serum albumin (HSA), one of the most abundant protein in blood plasma, via computational methods at both body temperature and tumor temperature. For this purpose, molecular docking was performed using Molegro virtual Docker software to select the best ligand in terms of binding energy to simulate molecular dynamics. Then, molecular dynamics simulation was performed on human serum albumin with code (1Ao6) and cytarabine with code (AR3), using Gromacs software and the results were presented in the graphs. The simulations were performed at 310 K (normal cell temperature) and 313 K (cancer cell temperature) in 100 ns. Results showed drug release occurred at a temperature of 313 K. These findings demonstrated the sensitivity of human serum albumin to temperature.
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Affiliation(s)
- Maryam Amirinasab
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Maryam Dehestani
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran
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Dhawan V, Joshi G, Sutariya B, Shah J, Ashtikar M, Nagarsekar K, Steiniger F, Lokras A, Fahr A, Krishnapriya M, Warawdekar U, Saraf M, Nagarsenker M. Polysaccharide conjugates surpass monosaccharide ligands in hepatospecific targeting - Synthesis and comparative in silico and in vitro assessment. Carbohydr Res 2021; 509:108417. [PMID: 34481155 DOI: 10.1016/j.carres.2021.108417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 07/22/2021] [Accepted: 07/31/2021] [Indexed: 12/18/2022]
Abstract
Ligands with the polysaccharide headgroups have been recently reported by our group to possess enhanced interaction with asialoglycoprotein receptor (ASGPR) in silico as compared to ligands having galactose moieties. This enhanced interaction is a result of the polymer's backbone support in anchoring the ligand in a specific orientation within the bilayer. In this paper, we have attempted to provide an in vitro proof of concept by performing a comparative evaluation of polysaccharide and monosaccharide-based ligands. Docking was performed to understand interaction with ASGPR in silico. Agarose and galactose conjugates with behenic acid were synthesized, purified, and characterized to yield biocompatible hepatospecific ligands which were incorporated into nanoliposomes. Cellular internalization of these targeted liposomes was studied using confocal microscopy and flow cytometry. The toxicity potential was assessed in vivo. Results indicated that the polysaccharide-based ligand increased cellular uptake due to better interaction with the receptor as compared to ligand bearing a single galactose group. In addition to developing novel liver targeting ligands, the study also established proof of concept that has been suggested by earlier in silico investigations. The approach can be used to design targeting ligands and develop formulations with improved targeting efficacy.
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Affiliation(s)
- V Dhawan
- Bombay College of Pharmacy, Kalina, Santacruz East, Mumbai, 400098, India
| | - G Joshi
- CRI Lab 1, Advanced Centre for Treatment, Research & Education in Cancer, Tata Memorial Centre, Navi Mumbai, India
| | - B Sutariya
- Bombay College of Pharmacy, Kalina, Santacruz East, Mumbai, 400098, India
| | - J Shah
- Bombay College of Pharmacy, Kalina, Santacruz East, Mumbai, 400098, India
| | - M Ashtikar
- Department of Pharmaceutical Technology, Friedrich Schiller University of Jena, Lessingstraße 8, D-07743, Jena, Germany
| | - K Nagarsekar
- Department of Pharmaceutical Technology, Friedrich Schiller University of Jena, Lessingstraße 8, D-07743, Jena, Germany
| | - F Steiniger
- Centre for Electron Microscopy of the Medical Faculty, Friedrich Schiller University of Jena, Ziegelmühlenweg 1, 07743, Jena, Germany
| | - A Lokras
- Bombay College of Pharmacy, Kalina, Santacruz East, Mumbai, 400098, India; Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, 2100, Denmark
| | - A Fahr
- Department of Pharmaceutical Technology, Friedrich Schiller University of Jena, Lessingstraße 8, D-07743, Jena, Germany
| | - M Krishnapriya
- Bombay College of Pharmacy, Kalina, Santacruz East, Mumbai, 400098, India
| | - U Warawdekar
- CRI Lab 1, Advanced Centre for Treatment, Research & Education in Cancer, Tata Memorial Centre, Navi Mumbai, India; Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400085, India
| | - M Saraf
- Bombay College of Pharmacy, Kalina, Santacruz East, Mumbai, 400098, India
| | - M Nagarsenker
- Bombay College of Pharmacy, Kalina, Santacruz East, Mumbai, 400098, India.
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Date T, Paul K, Singh N, Jain S. Drug-Lipid Conjugates for Enhanced Oral Drug Delivery. AAPS PharmSciTech 2019; 20:41. [PMID: 30610658 DOI: 10.1208/s12249-018-1272-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 12/11/2018] [Indexed: 02/07/2023] Open
Abstract
Oral drug delivery route is one of the most convenient and extensively utilised routes for drug administration. But there exists class of drugs which exhibit poor bioavailability on oral drug administration. Designing of drug-lipid conjugates (DLCs) is one of the rationale strategy utilised in overcoming this challenge. This review extensively covers the various dimensions of drug modification using lipids to attain improved oral drug delivery. DLCs help in improving oral delivery by providing benefits like improved permeability, stability in gastric environment, higher drug loading in carriers, formation of self-assembled nanostructures, etc. The clinical effectiveness of DLCs is highlighted from available marketed drug products along with many DLCs in phase of clinical trials. Conclusively, this drug modification strategy can potentially help in augmenting oral drug delivery in future.
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Markovic M, Ben‐Shabat S, Keinan S, Aponick A, Zimmermann EM, Dahan A. Lipidic prodrug approach for improved oral drug delivery and therapy. Med Res Rev 2018; 39:579-607. [DOI: 10.1002/med.21533] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/26/2018] [Accepted: 07/27/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Milica Markovic
- Department of Clinical PharmacologySchool of Pharmacy, Faculty of Health Sciences, Ben‐Gurion University of the NegevBeer‐Sheva Israel
| | - Shimon Ben‐Shabat
- Department of Clinical PharmacologySchool of Pharmacy, Faculty of Health Sciences, Ben‐Gurion University of the NegevBeer‐Sheva Israel
| | | | - Aaron Aponick
- Department of ChemistryUniversity of FloridaGainesville Florida
| | - Ellen M. Zimmermann
- Department of MedicineDivision of Gastroenterology, University of FloridaGainesville Florida
| | - Arik Dahan
- Department of Clinical PharmacologySchool of Pharmacy, Faculty of Health Sciences, Ben‐Gurion University of the NegevBeer‐Sheva Israel
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Zaro JL. Lipid-based drug carriers for prodrugs to enhance drug delivery. AAPS JOURNAL 2014; 17:83-92. [PMID: 25269430 DOI: 10.1208/s12248-014-9670-z] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Accepted: 09/04/2014] [Indexed: 11/30/2022]
Abstract
The combination of lipid drug delivery systems with prodrugs offers several advantages including improved pharmacokinetics, increased absorption, and facilitated targeting. Lipidization and use of lipid carriers can increase the pharmacological half-life of the drug, thus improving pharmacokinetics and allowing less frequent dosing. Lipids also offer advantages such as increased absorption through the intestines for oral drug absorption and to the CNS for brain delivery. Furthermore, the use of lipid delivery systems can enhance drug targeting. Endogenous proteins bind lipids in the blood and carry them to the liver to enable targeting of this organ. Drugs with significant side effects in the stomach can be specifically delivered to enterocytes by exploiting lipases for prodrug activation. Finally, lipids can be used to target the lymphatic system, thus bypassing the liver and avoiding first-pass metabolism. Lymphatic targeting is also important for antiviral drugs in the protection of B and T lymphocytes. In this review, both lipid-drug conjugates and lipid-based carriers will be discussed. An overview, including the chemistry and assembly of the systems, as well as examples from the clinic and in development, will be provided.
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Affiliation(s)
- Jennica L Zaro
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, 1985 Zonal Ave., PSC 406BA, Los Angeles, California, 90033, USA,
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Østergaard J, Larsen C. Bioreversible derivatives of phenol. 1. The role of human serum albumin as related to the stability and binding properties of carbonate esters with fatty acid-like structures in aqueous solution and biological media. Molecules 2007; 12:2380-95. [PMID: 17978764 PMCID: PMC6149159 DOI: 10.3390/12102380] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2007] [Revised: 10/29/2007] [Accepted: 10/29/2007] [Indexed: 11/17/2022] Open
Abstract
With the overall objective of assessing the potential of utilizing plasma protein binding interactions in combination with the prodrug approach for improving the pharmacokinetics of drug substances, a series of model carbonate ester prodrugs of phenol, encompassing derivatives with fatty acid-like structures, were characterized in vitro. Stability of the derivatives was studied in aqueous solution, human serum albumin solution, human plasma, and rat liver homogenate at 37 degrees C. Stability of the derivatives in aqueous solution varied widely, with half-lives ranging from 31 to 1.7 x 10(4) min at pH 7.4 and 37 degrees C. The carbonate esters were subject to catalysis by plasma esterases except for the t-butyl and acetic acid derivatives, which were stabilized in both human plasma and human serum albumin solutions relative to buffer. In most cases, however, hydrolysis was accelerated in the presence of human serum albumin indicating that the derivatives interacted with the protein, a finding which was confirmed using the p-nitrophenyl acetate kinetic assay. Different human serum albumin binding properties of the phenol model prodrugs with fatty acid-like structure and neutral carbonate esters were observed. In the context of utilizing plasma protein binding in combination with the prodrug approach for optimizing drug pharmacokinetics, the esterase-like properties of human serum albumin towards the carbonate esters potentially allowing the protein to act as a catalyst of parent compound regenerations is interesting.
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Affiliation(s)
- Jesper Østergaard
- Department of Pharmaceutics and Analytical Chemistry, Faculty of Pharmaceutical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen O, Denmark; E-mail:
| | - Claus Larsen
- Department of Pharmaceutics and Analytical Chemistry, Faculty of Pharmaceutical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen O, Denmark; E-mail:
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Abstract
Lipidic prodrugs, also called drug-lipid conjugates, have the drug covalently bound to a lipid moiety, such as a fatty acid, a diglyceride or a phosphoglyceride. Drug-lipid conjugates have been prepared in order to take advantage of the metabolic pathways of lipid biochemistry, allowing organs to be targeted or delivery problems to be overcome. Endogenous proteins taking up fatty acids from the blood stream can be targeted to deliver the drug to the heart or liver. For glycerides, the major advantage is the modification of the pharmacokinetic behavior of the drug. In this case, one or two fatty acids of a triglyceride are replaced by a carboxylic drug. Lipid conjugates exhibit some physico-chemical and absorption characteristics similar to those of natural lipids. Non-steroidal, anti-inflammatory drugs such as acetylsalicylic acid, indomethacin, naproxen and ibuprofen were linked covalently to glycerides to reduce their ulcerogenicity. Mimicking the absorption process of dietary fats, lipid conjugates have also been used to target the lymphatic route (e.g., L-Dopa, melphalan, chlorambucil and GABA). Based on their lipophilicity and resemblance to lipids in biological membranes, lipid conjugates of phenytoin were prepared to increase intestinal absorption, whereas glycerides or modified glycerides of L-Dopa, glycine, GABA, thiorphan and N-benzyloxycarbonylglycine were designed to promote brain penetration. In phospholipid conjugates, antiviral and antineoplasic nucleosides were attached to the phosphate moiety. After presenting the biochemical pathways of lipids, the review discusses the advantages and drawbacks of lipidic prodrugs, keeping in mind the potential pharmacological activity of the fatty acid itself.
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Affiliation(s)
- D M Lambert
- Unité de Chimie pharmaceutique et de Radiopharmacie, Ecole de Pharmacie, Faculté de Médecine, Université catholique de Louvain, Avenue Mounier, 73 UCL-CMFA 7340, B-1200, Brussels, Belgium.
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Suzuki K, Ando T, Susaki H, Mimori K, Nakabayashi S, Sugiyama Y. Structural requirements for alkylglycoside-type renal targeting vector. Pharm Res 1999; 16:1026-34. [PMID: 10450926 DOI: 10.1023/a:1018979515073] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
PURPOSE We have previously shown Glc-S-C7-Me (octyl beta-D-thioglucoside) exhibits renal targeting potential in vivo in addition to its specific binding to the renal membrane fraction in vitro. Thus, "alkylglycoside" is considered to be a novel targeting vector for the kidney (1,2). The present study is designed to clarify the structural requirements for alkylglycoside as a renal targeting vector. METHODS Inhibitory effects of various sugars and glycosides on 3H-Glc-S-C7-Me binding to the kidney membrane fraction were evaluated by a centrifugation method. RESULTS As far as the sugar moiety is concerned, no other sugars except D-aldohexose and D-aldohexose derivatives (containing F, S, and N) showed greater inhibition than D-glucose. Therefore, octylthio derivatives of various D-aldohexose were prepared and their inhibitory effects were investigated. The following findings were obtained: Equatorial OH at 4 position is essential; OH at 2 position can have either orientation or be deleted. As far as the alkyl moiety is concerned, the length, branching and electrical environment in the region of the glycoside bond are important; aromatic structures can substitute for the alkyl portion; the preferred glycoside bonding atom is as follows: S > NH > O. CONCLUSIONS The structural requirements for the renal targeting vector have been identified to be as follows: a hydrophobic group (alkyl chain or aromatic ring) should be introduced to a sugar (D-glucose, D-mannose, or 2-deoxy-D-glucose) via a beta-glycoside binding atom (S > NH > O).
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Affiliation(s)
- K Suzuki
- Pharmaceutical Research Center, Meiji Seika Kaisha, LTD., Yokohama-shi, Kanagawa, Japan.
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Shahdeo K, March C, Karnes HT. Postcolumn Immunodetection Following Conditioning of the HPLC Mobile Phase by On-Line Ion-Exchange Extraction. Anal Chem 1997. [DOI: 10.1021/ac970354h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kamlakshi Shahdeo
- Department of Pharmacy and Pharmaceutics, Virginia Commonwealth University/Medical College of Virginia, P.O. Box 980533, Richmond, Virginia 23298-0533
| | - Clark March
- Department of Pharmacy and Pharmaceutics, Virginia Commonwealth University/Medical College of Virginia, P.O. Box 980533, Richmond, Virginia 23298-0533
| | - H. Thomas Karnes
- Department of Pharmacy and Pharmaceutics, Virginia Commonwealth University/Medical College of Virginia, P.O. Box 980533, Richmond, Virginia 23298-0533
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