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Zhou H, Zhang Y, Tian Y, Sun Y, Chen Y, Zhang Y, Zhu Q, Pan J, Qing C. 9-Nitro-20(S)-carbonate-camptothecin (NCP4), a novel prodrug of 9-nitrocamptothecin (9-NC), exhibits potent chemotherapeutic efficacy and improved safety against hepatocarcinoma. Eur J Pharmacol 2022; 923:174898. [DOI: 10.1016/j.ejphar.2022.174898] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 03/09/2022] [Accepted: 03/14/2022] [Indexed: 11/25/2022]
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2
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Wang H, Zhu W, Huang Y, Li Z, Jiang Y, Xie Q. Facile encapsulation of hydroxycamptothecin nanocrystals into zein-based nanocomplexes for active targeting in drug delivery and cell imaging. Acta Biomater 2017; 61:88-100. [PMID: 28433787 DOI: 10.1016/j.actbio.2017.04.017] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Revised: 04/13/2017] [Accepted: 04/17/2017] [Indexed: 11/16/2022]
Abstract
Nano-drug delivery systems that integrate inorganic and organic or even bioactive components into a single nanoscale platform are playing a hugely important role in cancer treatment. In this article, the fabrication of a versatile nanocarrier based on self-assembled structures of gold nanoparticles (AuNPs)-zein is reported, which displays high drug-loading efficiency for needle-shaped hydroxycamptothecin (HCPT) nanocrystals. The surface modification with folate-conjugated polydopamine (PFA) renders them stable and also facilitates their selective cellular internalization and enhancement of endocytosis. The release of payloads from nanocomplexes (NCs) was shown to be limited at physiological pH (17.1±2.8%) but significantly elevated at endosomal/lysosomal pH (58.4±3.0%) and at enzymatic environment (81.4±4.2%). Compared to free HCPT and its non-targeting equivalent, HCPT@AuNPs-Zein-PFA exerted a superior tumor suppression capacity as well as low side effects due to its active and passive targeting delivery both in vitro and in vivo. These results suggest that the NCs with well-defined core@shell nanostructures encapsulated with HCPT nanocrystals hold great promise to improve cancer therapy with high efficiency in the clinic. STATEMENT OF SIGNIFICANCE A novel nanocomplex with HCPT nanocrystals encapsulated was designed to achieve selective cellular uptake by endocytosis, acid responsive release in the tumor microenvironment and excellent tumor suppression without toxicity. This nanocomplex with conjugation of folate was stable in the bloodstream, with minimal drug release in extracellular conditions, leading to prolonged blood circulation and high accumulation in tumor tissues. The entrapment of a nanocrystal drug into nanomaterials might be capable of delivering drugs in a predictable and controllable manner.
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Affiliation(s)
- Hongdi Wang
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Wei Zhu
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Yunna Huang
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Zhixian Li
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Yanbin Jiang
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Qiuling Xie
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China; National Engineering Research Centre of Genetic Medicine, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China.
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3
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Dynamic-SERS spectroscopy for the in situ discrimination of xanthine analogues in ternary mixture. Anal Bioanal Chem 2017; 409:5569-5579. [DOI: 10.1007/s00216-017-0495-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 06/12/2017] [Accepted: 06/26/2017] [Indexed: 10/19/2022]
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4
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Zotti G, Berlin A, Vercelli B. Electrochemistry of conjugated planar anticancer molecules: Irinotecan and Sunitinib. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.02.043] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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5
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Vicario A, Sergo V, Toffoli G, Bonifacio A. Surface-enhanced Raman spectroscopy of the anti-cancer drug irinotecan in presence of human serum albumin. Colloids Surf B Biointerfaces 2015; 127:41-6. [PMID: 25645751 DOI: 10.1016/j.colsurfb.2015.01.023] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 01/04/2015] [Accepted: 01/05/2015] [Indexed: 11/26/2022]
Abstract
The development of nanotechnological devices and their clinical application in medicine has become increasingly important, especially in the context of targeted and personalized therapy. This is particularly important in cancer therapy, where antitumor drugs are highly cytotoxic and often exert their therapeutic effect at concentrations close to systemic toxicity. In the last years a growing number of studies has started to report the use of plasmonic nanoprobes in the field of theranostics, broadening the application of vibrational spectroscopies like Raman scattering and surface enhanced Raman scattering (SERS) in biomedicine. The present work aims to identify and characterize the vibrational profiles of a widely used anticancer drug, irinotecan (CPT-11). With a rational approach, SERS experiments have been performed on this analyte employing both Au and Ag colloids, starting from simple aqueous solutions up to albumin mixtures. A major step forward for drug detection in albumin solutions has been taken with the adoption of a simple deproteinization strategy, and a two-in-one-step separation and identification by coupling thin layer chromatography, TLC, with SERS (TLC-SERS). The latter has revealed to be a valid system for protein separation and simultaneous analyte detection, showing a potential to become an innovative, sensitive and low cost method for antineoplastic drug profiling in patients' body fluids.
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Affiliation(s)
- A Vicario
- Department of Engineering and Architecture, University of Trieste, Via Valerio 6a, 34127 Trieste, TS, Italy; Experimental and Clinical Pharmacology Division, Department of Translational Research, IRCCS-National Cancer Institute, Aviano, PN, Italy
| | - V Sergo
- Department of Engineering and Architecture, University of Trieste, Via Valerio 6a, 34127 Trieste, TS, Italy
| | - G Toffoli
- Experimental and Clinical Pharmacology Division, Department of Translational Research, IRCCS-National Cancer Institute, Aviano, PN, Italy
| | - A Bonifacio
- Department of Engineering and Architecture, University of Trieste, Via Valerio 6a, 34127 Trieste, TS, Italy.
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6
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Mohanraj S, Murugan D, Rengarajan A, Rajiv S. Anticancer activity of starch/poly[N-(2-hydroxypropyl)methacrylamide]: biomaterial film to treat skin cancer. Int J Biol Macromol 2014; 70:116-23. [PMID: 24984026 DOI: 10.1016/j.ijbiomac.2014.06.041] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Revised: 06/01/2014] [Accepted: 06/14/2014] [Indexed: 11/18/2022]
Abstract
In the present work, films of pHPMA, pHPMAS hybrid, pHPMA-CPT and pHPMAS-CPT hybrid were prepared by solvent casting method and characterized by FT-IR, FT-Raman, XRD and DSC, respectively. The biocompatibility of the prepared pHPMA film and pHPMAS hybrid film were assessed using VERO cell lines and the percentage cell viability was found to be 97.4 and 98.3% for 7.8 μg/ml of the film extracts after 72 h of incubation. The cancer cell viability of the pHPMA-CPT film and pHPMAS-CPT film using MCF7 cell lines at pH 5.5 and 7.4 were found to be 4.9 and 8.6% and 7.7 and 12.3%, respectively. In vitro release of camptothecin from pHPMA-CPT and pHPMAS-CPT films in phosphate-buffered saline solution at pH 5.5 and 7.4 were monitored and analyzed using UV-vis spectrophotometer at λmax of 360 nm.
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Affiliation(s)
- Subashree Mohanraj
- Department of Chemistry, Anna University, Chennai, Tamil Nadu 600 025, India
| | | | - Aburva Rengarajan
- Department of Chemistry, Anna University, Chennai, Tamil Nadu 600 025, India
| | - Sheeja Rajiv
- Department of Chemistry, Anna University, Chennai, Tamil Nadu 600 025, India.
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7
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Aggregation properties and structural studies of anticancer drug Irinotecan in DMSO solution based on NMR measurements. J Mol Struct 2012. [DOI: 10.1016/j.molstruc.2012.01.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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8
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Ivanova BB, Spiteller M. Experimental and theoretical spectroscopic and structural study of A-ring substituted camptothecins. J Mol Struct 2012. [DOI: 10.1016/j.molstruc.2012.01.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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9
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Kim M, Ock K, Cho K, Joo SW, Lee SY. Live-cell monitoring of the glutathione-triggered release of the anticancer drug topotecan on gold nanoparticles in serum-containing media. Chem Commun (Camb) 2012; 48:4205-7. [DOI: 10.1039/c2cc30679d] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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10
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Subramanian N, Sundaraganesan N, Sudha S, Aroulmoji V, Sockalingam GD, Bergamin M. Experimental and theoretical investigation of the molecular and electronic structure of anticancer drug camptothecin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2011; 78:1058-1067. [PMID: 21233010 DOI: 10.1016/j.saa.2010.12.049] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2010] [Revised: 12/05/2010] [Accepted: 12/14/2010] [Indexed: 05/30/2023]
Abstract
The Fourier Transform Infrared spectrum of (S)-4 ethyl-4-hydroxy-1H-pyrano [3',4':6,7]-indolizino-[1,2-b-quinoline-3,14-(4H,12H)-dione] [camptothecin] was recorded in the region 4000-400 cm(-1). The Fourier Transform Raman spectrum of camptothecin (CPT) was also recorded in the region 3500-50 cm(-1). Quantum chemical calculations of geometrical structural parameters and vibrational frequencies of CPT were carried out by MP2/6-31G(d,p) and density functional theory DFT/B3LYP/6-311++G(d,p) methods. The assignment of each normal mode has been made using the observed and calculated frequencies, their IR and Raman intensities. The harmonic vibrational frequencies were calculated and the scaled values have been compared with experimental FT-IR and FT-Raman spectra. Most of the computed frequencies were found to be in good agreement with the experimental observations. The isotropic chemical shifts computed by (13)C and (1)H NMR analysis also show good agreement with experimental observations. Comparison of calculated spectra with the experimental spectra provides important information about the ability of computational method to describe the vibrational modes of large sized organic molecule.
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Affiliation(s)
- N Subramanian
- Government College of Education, Komarapalayam, Tamil Nadu, India
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11
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Harada Y, Dai P, Yamaoka Y, Ogawa M, Tanaka H, Nosaka K, Akaji K, Takamatsu T. Intracellular dynamics of topoisomerase I inhibitor, CPT-11, by slit-scanning confocal Raman microscopy. Histochem Cell Biol 2009; 132:39-46. [PMID: 19365636 DOI: 10.1007/s00418-009-0594-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/25/2009] [Indexed: 10/20/2022]
Abstract
Most molecular imaging technologies require exogenous probes and may have some influence on the intracellular dynamics of target molecules. In contrast, Raman scattering light measurement can identify biomolecules in their innate state without application of staining methods. Our aim was to analyze intracellular dynamics of topoisomerase I inhibitor, CPT-11, by using slit-scanning confocal Raman microscopy, which can take Raman images with high temporal and spatial resolution. We could acquire images of the intracellular distribution of CPT-11 and its metabolite SN-38 within several minutes without use of any exogenous tags. Change of subcellular drug localization after treatment could be assessed by Raman imaging. We also showed intracellular conversion from CPT-11 to SN-38 using Raman spectra. The study shows the feasibility of using slit-scanning confocal Raman microscopy for the non-labeling evaluation of the intracellular dynamics of CPT-11 with high temporal and spatial resolution. We conclude that Raman spectromicroscopic imaging is useful for pharmacokinetic studies of anticancer drugs in living cells.
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Affiliation(s)
- Yoshinori Harada
- Department of Pathology and Cell Regulation, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Hirokoji Kawaramachi, Kamigyo-ku, Kyoto 602-8566, Japan.
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12
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Electrochemical Studies of Camptothecin and Its Interaction with Human Serum Albumin. Int J Mol Sci 2007. [DOI: 10.3390/i8010042] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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13
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Aroca RF, Alvarez-Puebla RA, Pieczonka N, Sanchez-Cortez S, Garcia-Ramos JV. Surface-enhanced Raman scattering on colloidal nanostructures. Adv Colloid Interface Sci 2005; 116:45-61. [PMID: 16213453 DOI: 10.1016/j.cis.2005.04.007] [Citation(s) in RCA: 239] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2005] [Accepted: 04/21/2005] [Indexed: 11/21/2022]
Abstract
Surface-enhanced Raman scattering combines extremely high sensitivity, due to enhanced Raman cross-sections comparable or even better than fluorescence, with the observation of vibrational spectra of adsorbed species, providing one of the most incisive analytical methods for chemical and biochemical detection and analysis. SERS spectra are observed from a molecule-nanostructure enhancing system. This symbiosis molecule-nanostructure is a fertile ground for theoretical developments and a realm of applications from single molecule detection to biomedical diagnostic and techniques for nanostructure characterization.
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Affiliation(s)
- R F Aroca
- Materials and Surface Science Group, University of Windsor, Windsor, Ontario, Canada.
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14
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Streltsov S, Oleinikov V, Ermishov M, Mochalov K, Sukhanova A, Nechipurenko Y, Grokhovsky S, Zhuze A, Pluot M, Nabiev I. Interaction of clinically important human DNA topoisomerase I poison, topotecan, with double-stranded DNA. Biopolymers 2003; 72:442-54. [PMID: 14587067 DOI: 10.1002/bip.10479] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Topotecan (TPT), a water-soluble derivative of camptothecin, is a potent antitumor poison of human DNA topoisomerase I (top1) that stabilizes the cleavage complex between the enzyme and DNA. The role of the recently discovered TPT affinity to DNA remains to be defined. The aim of this work is to clarify the molecular mechanisms of the TPT-DNA interaction and to propose the models of TPT-DNA complexes in solution in the absence of top1. It is shown that TPT molecules form dimers with a dimerization constant of (4.0 +/- 0.7) x 10(3) M(-1) and the presence of DNA provokes more than a 400-fold increase of the effective dimerization constant. Flow linear dichroism spectroscopy accompanied by circular dichroism, fluorescence, and surface-enhanced Raman scattering experiments provide evidence that TPT dimers are able to bind DNA by bridging different DNA molecules or distant DNA structural domains. This effect may provoke modification of the intrinsic geometry of the cruciform DNA structures, leading to the appearance of new crossover points that serve as the sites of the top1 loading position. The data presume the hypothesis of TPT-mediated modulation of top1-DNA recognition before ternary complex formation.
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Affiliation(s)
- Sergei Streltsov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Ul. Vavilova 32, 119991 Moscow, Russia
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15
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Kehrer DF, Soepenberg O, Loos WJ, Verweij J, Sparreboom A. Modulation of camptothecin analogs in the treatment of cancer: a review. Anticancer Drugs 2001; 12:89-105. [PMID: 11261892 DOI: 10.1097/00001813-200102000-00002] [Citation(s) in RCA: 79] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The topoisomerase I inhibitors reviewed in this paper are all semisynthetic analogs of camptothecin (CPT). Modulation of this intranuclear enzyme translates clinically in to antitumor activity against a broad spectrum of tumors and is therefore the subject of numerous investigations. We present preclinical and clinical data on CPT analogs that are already being used in clinical practice [i.e. topotecan and irinotecan (CPT-11)] or are currently in clinical development (e.g. 9-aminocamptothecin, 9-nitrocamptotecin, lurtotecan, DX 8951f and BN 80915), as well as drugs that are still only developed in a preclinical setting (silatecans, polymer-bound derivates). A variety of different strategies is being used to modulate the systemic delivery of this class of agents, frequently in order to increase antitumor activity and/or reduce experienced side effects. Three principal approaches are discussed, including: (i) pharmaceutical modulation of formulation vehicles, structural alterations and the search for more water-soluble prodrugs, (ii) modulation of routes of administration and considerations on infusion duration, and (iii) both pharmacodynamic and pharmacokinetic biomodulation.
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Affiliation(s)
- D F Kehrer
- Department of Medical Oncology, Rotterdam Cancer Institute (Daniel den Hoed Kliniek) and University Hospital, The Netherlands.
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16
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Burns BS, Edin ML, Lester GE, Tuttle HG, Wall ME, Wani MC, Bos GD. Selective drug resistant human osteosarcoma cell lines. Clin Orthop Relat Res 2001:259-67. [PMID: 11210963 DOI: 10.1097/00003086-200102000-00030] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Chemotherapy in combination with surgery has been shown to be effective for the control of osteosarcoma. Development of resistance to chemotherapeutic agents is a recurring clinical problem. To investigate this phenomena, human osteosarcoma cells, TE-85, were exposed to increasing doses of Taxol or Taxotere during a 9-month period. Highly resistant subclones (TE-85TXL; TE-85TXR, respectively) were developed. Chemosensitivities are presented for TE-85 cell line and these new lines to Taxol, Taxotere, doxorubicin, cisplatin, and topotecan. Drug concentrations that inhibited cell growth by 50% compared with untreated cells were determined. The TE-85TXL cells showed resistance greater than 1,000-fold to Taxol and Taxotere and 60-fold to doxorubicin. The TE-85TXR cells showed resistance greater than 1,000-fold to Taxol, 800-fold to Taxotere, and 90-fold to doxorubicin. There was little cross resistance to topotecan and enhanced sensitivity to cisplatin. The role of P-170 glycoprotein in Taxol and Taxotere resistance was explored. Coincubation with verapamil, to block the actions of P-170 glycoprotein, partly reversed resistance to Taxol, Taxotere, and doxorubicin in both cell lines. Anti-P-170 glycoprotein antibodies revealed positive staining in TE-85TXL and TE-85TXR cell lines. Flow cytometry revealed reduced accumulation of doxorubicin in resistant cells. These data indicate that a human osteosarcoma cell line will develop resistance to Taxol and Taxotere, which is mediated in part by the P-170 glycoprotein.
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Affiliation(s)
- B S Burns
- Department of Orthopaedics and Lineberger Cancer Center, University of North Carolina, Chapel Hill 27599-7055, USA
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17
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Chourpa I, Millot JM, Sockalingum GD, Riou JF, Manfait M. Kinetics of lactone hydrolysis in antitumor drugs of camptothecin series as studied by fluorescence spectroscopy. BIOCHIMICA ET BIOPHYSICA ACTA 1998; 1379:353-66. [PMID: 9545598 DOI: 10.1016/s0304-4165(97)00115-3] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Potent antitumor activity exhibited by 20-S-camptothecin (CPT) and numerous derivatives is known to be lost upon opening of the alpha-hydroxy-lactone ring of these drugs, hydrolyzable at neutral and basic pH. To quantify in 'real time' the lactone hydrolysis reaction in CPTs under physiological conditions, we have applied a non-perturbing approach by fluorescence spectroscopy. CPT and a set of its derivatives (21-lactam-S-CPT, 10,11-(methylenedioxy)-CPT, CPT-11, SN-38, topotecan, tricyclic ketone-CPT) with antitumor activity varying from negligible to 10 times that of CPT have been studied. Prior to the kinetic measurements, the effects of substitutions, pH, polarity of molecular environment, lactone ring opening (lactone-carboxylate transition) have been investigated in terms of the UV-visible absorption and fluorescence emission spectra of CPTs. Then the determined parameters of the fluorescence emission spectra corresponding to the respective lactone and carboxylate forms have been used to estimate the residual lactone percentage as a function of time. The reproducibility of the obtained data demonstrates that the spectroscopic approach provides a satisfactory precision for this kind of measurements. For CPT at pH 7.3, the lactone half-life was 29.4 +/- 1.7 min and the lactone percentage at equilibrium was 20.9 +/- 0.3%. Within a series of derivatives with substitutions at quinoline rings, the lactone half-life varied from 29 to 32 min and the equilibrium lactone content varied from 15% to 23%. For each compound, even slight increase of pH from 7.1 to 7.3 or from 7.3 to 7.6 logically leads to a remarkable decrease of both lactone half-life and equilibrium lactone percentage.
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Affiliation(s)
- I Chourpa
- Laboratoire de Spectroscopie Biomoléculaire, IFR 53, UFR de Pharmacie, Université de Reims Champagne-Ardenne, France
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