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Pozzi E, Ballarini E, Rodriguez-Menendez V, Canta A, Chiorazzi A, Monza L, Bossi M, Alberti P, Malacrida A, Meregalli C, Scuteri A, Cavaletti G, Carozzi VA. Paclitaxel, but Not Cisplatin, Affects Satellite Glial Cells in Dorsal Root Ganglia of Rats with Chemotherapy-Induced Peripheral Neurotoxicity. TOXICS 2023; 11:93. [PMID: 36850969 PMCID: PMC9961471 DOI: 10.3390/toxics11020093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/13/2023] [Accepted: 01/13/2023] [Indexed: 06/18/2023]
Abstract
Chemotherapy-induced peripheral neurotoxicity is one of the most common dose-limiting toxicities of several widely used anticancer drugs such as platinum derivatives (cisplatin) and taxanes (paclitaxel). Several molecular mechanisms related to the onset of neurotoxicity have already been proposed, most of them having the sensory neurons of the dorsal root ganglia (DRG) and the peripheral nerve fibers as principal targets. In this study we explore chemotherapy-induced peripheral neurotoxicity beyond the neuronocentric view, investigating the changes induced by paclitaxel (PTX) and cisplatin (CDDP) on satellite glial cells (SGC) in the DRG and their crosstalk. Rats were chronically treated with PTX (10 mg/Kg, 1qwx4) or CDDP (2 mg/Kg 2qwx4) or respective vehicles. Morpho-functional analyses were performed to verify the features of drug-induced peripheral neurotoxicity. Qualitative and quantitative immunohistochemistry, 3D immunofluorescence, immunoblotting, and transmission electron microscopy analyses were also performed to detect alterations in SGCs and their interconnections. We demonstrated that PTX, but not CDDP, produces a strong activation of SGCs in the DRG, by altering their interconnections and their physical contact with sensory neurons. SGCs may act as principal actors in PTX-induced peripheral neurotoxicity, paving the way for the identification of new druggable targets for the treatment and prevention of chemotherapy-induced peripheral neurotoxicity.
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Affiliation(s)
- Eleonora Pozzi
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Elisa Ballarini
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Virginia Rodriguez-Menendez
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Annalisa Canta
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Alessia Chiorazzi
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Laura Monza
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Mario Bossi
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Paola Alberti
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Alessio Malacrida
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Cristina Meregalli
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Arianna Scuteri
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Guido Cavaletti
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | - Valentina Alda Carozzi
- School of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
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van Gijn R, Zuidema X, Bult A, Beijnen JH. Protein kinase C as a target for new anti-cancer agents. J Oncol Pharm Pract 2016. [DOI: 10.1177/107815529900500402] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Cancer joins the category of diseases involving abnormalities in the rate of proliferation of cells and is associated with uncontrolled cell division, where cells either generate their own growth-promoting stimuli or neighboring cells or do not respond to growth inhibitory signals. Protein kinase C (PKC) is one of the key elements in the tumor growth signal transduction pathways and is found to be overexpressed in several malignant cell types. A way to control cell proliferation and cell differentiation is by influencing signal transduction pathways by modulation of PKC. PKC encloses 12 different isoenzymes, and each isoenzyme is found to have a different functional property. Because specific PKC isoenzyme types are present in different (malignant) cell species, they may be an attractive target in the development of anti-cancer agents. Classification and identification of the available PKC isoenzymes in different tumor cells could be useful in targeting specific tumors. PKC also tends to be overexpressed in association with the multidrug resistance pheno-type. This concise review deals with the role of PKC isoenzymes in (tumor) cell biology and evaluates the antineoplastic agents interacting on PKC isoenzymes.
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Affiliation(s)
- Roel van Gijn
- Department of Pharmacy and Pharmacology, Slotervaart Hospital/The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Xander Zuidema
- Department of Pharmaceutical Analysis and Toxicology, Faculty of Pharmacy, Utrecht University, Utrecht, The Netherlands
| | - Auke Bult
- Department of Pharmaceutical Analysis and Toxicology, Faculty of Pharmacy, Utrecht University, Utrecht, The Netherlands
| | - Jos H. Beijnen
- Department of Pharmacy and Pharmacology, Slotervaart Hospital/The Netherlands Cancer Institute, Amsterdam, The Netherlands, Department of Pharmaceutical Analysis and Toxicology, Faculty of Pharmacy, Utrecht University, Utrecht, The Netherlands
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Carmichael J, Ozols RF. Topotecan, an active new antineoplastic agent: review and current status. Expert Opin Investig Drugs 2005; 6:593-608. [PMID: 15989623 DOI: 10.1517/13543784.6.5.593] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Topotecan (Hycamtin) is a water soluble semisynthetic analogue of the alkaloid camptothecin which has antitumour activity in preclinical models in vitro and in vivo. A range of Phase I studies has been performed and a daily x 5 iv. schedule, which showed most promising evidence of activity, was selected for extensive clinical evaluation. To date, topotecan has been shown to be active in a number of malignancies, including metastatic ovarian cancer, recurrent small cell lung cancer (SCLC), non-small cell lung cancer (NSCLC), breast cancer, colorectal cancer and myelodysplastic syndrome. In ovarian cancer, response rates of around 15% were identified in patients who had failed standard chemotherapy, and in a randomised, comparative study with paclitaxel response rates of 20% (topotecan) and 13% (paclitaxel) were observed. In addition, overall time to progression was impressive at 23 weeks (topotecan) compared with 14 weeks (paclitaxel). In recurrent SCLC, topotecan has shown good activity in sensitive patients with a response rate of 39%, although the response rate in refractory patients was considerably lower (7%). Median survival of all patients was 5.4 months, acceptable for this difficult clinical scenario. Topotecan is well-tolerated in the majority of patients and subjective toxicities are uncommon. The principal side-effect is myelosuppression, mainly neutropenia. Serious clinical sequelae are relatively uncommon and non-cumulative. Nonhaematological toxicities are generally mild and not dose-limiting. In clinical use, topotecan has exhibited activity in multiple tumour types, with a side-effect profile that is predictable and manageable. The drug is under evaluation in other tumour types and in combination chemotherapy regimens.
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Affiliation(s)
- J Carmichael
- CRC Department of Clinical Oncology, University of Nottingham, Nottingham, UK
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Schellens JHM, Heinrich B, Lehnert M, Gore ME, Kaye SB, Dombernowsky P, Paridaens R, van Oosterom AT, Verweij J, Loos WJ, Calvert H, Pavlidis N, Cortes-Funes H, Wanders J, Roelvink M, Sessa C, Selinger K, Wissel PS, Gamucci T, Hanauske AR. Population pharmacokinetic and dynamic analysis of the topoisomerase I inhibitor lurtotecan in phase II studies. Invest New Drugs 2002; 20:83-93. [PMID: 12003197 DOI: 10.1023/a:1014454821885] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Population pharmacokinetic-dynamic analysis was prospectively integrated in a broad phase II program of lurtotecan (GI147211), a novel camptothecin derived topoisomerase I inhibitor, to determine the population pharmacokinetic profile in a larger population, to estimate individual pharmacokinetic parameters and to investigate relationships with clinical outcome. A sparse sampling method was applied during course one, which involved two sampling time-points. A Bayesian algorithm was used to estimate individual pharmacokinetic parameters, in particular total plasma clearance (CL) and volume of distribution. In total, samples were collected of 109 (63%) of 173 patients. Pharmacokinetic-dynamic evaluation could be carried out successfully in 85 (78%) of the sampled patients. CL of lurtotecan showed substantial variability (mean 87 +/- 28 L/h) and was of the same magnitude as in the phase I studies where full pharmacokinetic curves were used. Residual variability in the population estimate of CL was 9.9%. No significant relationships were observed between exposure parameters and toxicity nor likelihood of tumor response, however the latter relationship may well have been obscured by the heterogeneity of the studied population. Prospective implementation of large scale population pharmacokinetic-dynamic analysis is feasible and important to establish whether interpatient variability in drug exposure is a major determinant of toxicity or activity.
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Affiliation(s)
- J H M Schellens
- Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam.
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Straathof CS, van den Bent MJ, Loos WJ, Vecht CJ, Schellens JH. The accumulation of topotecan in 9L glioma and in brain parenchyma with and without dexamethasone administration. J Neurooncol 1999; 42:117-22. [PMID: 10421068 DOI: 10.1023/a:1006166716683] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The accumulation of the topoisomerase I inhibitor topotecan in brain tumor as well as in brain around tumor (BAT) and normal brain following an intravenous bolus of topotecan of 0.5 mg/kg was investigated in rats bearing a 9L glioma. Also the influence of dexamethasone (Dex) on the uptake of topotecan was examined. Tumor, BAT and brain tissue as well as whole blood were collected at 1 h after an i.v. bolus of topotecan. Concentrations of total topotecan in tumor, BAT and brain were quantified with high-performance liquid chromatography (HPLC) and compared with concentrations in plasma of total topotecan. In brain tumor tissue the mean total topotecan concentration was 96 +/- 33 ng/g which was 20-fold higher than the accumulation of topotecan in normal brain tissue. In BAT intermediate concentrations of 13 +/- 4.9 ng/g were reached. Mean total topotecan concentration in plasma was 100 +/- 25 ng/ml. We did not find an influence of Dex on the uptake of topotecan in either tissue. We conclude that high tissue concentrations of topotecan can be reached in experimental brain tumors in rats. This observation may be useful in the design of clinical studies with topotecan.
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Affiliation(s)
- C S Straathof
- Department of Neuro-oncology, Dr. Daniel den Hoed Cancer Center and University Hospital Rotterdam, The Netherlands
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