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Geohagen B, Zeldin E, Reidy K, Wang T, Gavathiotis E, Fishman YI, LoPachin R, Loeb DM, Weiser DA. Acetophenone protection against cisplatin-induced end-organ damage. Transl Oncol 2022; 27:101595. [PMID: 36477009 PMCID: PMC9723927 DOI: 10.1016/j.tranon.2022.101595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/04/2022] [Accepted: 11/21/2022] [Indexed: 12/09/2022] Open
Abstract
Cisplatin is a widely used and efficacious chemotherapeutic agent for treating solid tumors, yet it causes systemic end-organ damage that is often irreversible and detrimental to quality of life. This includes severe sensorineural hearing loss, hepatotoxicity, and renal injury. Based on the hard-soft acid-base theory, we recently developed two acetophenone-derived, enol-based compounds that directly interfere with the side effects of cisplatin. We investigated organ-specific and generalized toxicity in order to define dose-dependent responses in rodents injected with cisplatin with or without the protective compounds. All metrics that were used as indicators of toxicity showed retention of baseline or control measurements when animals were pre-treated with acetophenones prior to cisplatin administration, while animals injected with no protective compounds showed expected elevations in toxicity measurements or depressions in measurements of organ function. These data support the further investigation of novel acetophenone compounds for the prevention of cisplatin-induced end-organ toxicity.
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Affiliation(s)
- Brian Geohagen
- Montefiore-Einstein Center for Cancer Care, USA; Montefiore Medical Center, 111 E 210th Street, The Bronx, NY 10467, USA
| | | | - Kimberly Reidy
- Department of Pediatrics, Albert Einstein College of Medicine, 1300 Morris Park Avenue, The Bronx, NY 10461, USA; Division of Pediatric Nephrology, Children's Hospital at Montefiore, 3415 Bainbridge Avenue, The Bronx, NY 10467, USA
| | - Tao Wang
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, USA
| | - Evripidis Gavathiotis
- Department of Biochemistry, Department of Medicine, Albert Einstein College of Medicine, USA; Montefiore-Einstein Center for Cancer Care, USA
| | - Yonatan I Fishman
- Departments of Neurology and Neuroscience, Albert Einstein College of Medicine, USA
| | - Richard LoPachin
- Department of Anesthesiology, Albert Einstein College of Medicine, USA
| | - David M Loeb
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, USA; Department of Pediatrics, Albert Einstein College of Medicine, 1300 Morris Park Avenue, The Bronx, NY 10461, USA; Division of Pediatric Hematology, Oncology, and Cellular Therapy, Children's Hospital at Montefiore, USA; Montefiore-Einstein Center for Cancer Care, USA
| | - Daniel A Weiser
- Department of Genetics, Albert Einstein College of Medicine, USA; Department of Pediatrics, Albert Einstein College of Medicine, 1300 Morris Park Avenue, The Bronx, NY 10461, USA; Division of Pediatric Hematology, Oncology, and Cellular Therapy, Children's Hospital at Montefiore, USA; Montefiore-Einstein Center for Cancer Care, USA.
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Affiliation(s)
- Anna Rita Fetoni
- Department of Head and Neck Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Roma, Italia
| | - Laura Astolfi
- Bioacoustics Research Laboratory, Department of Neuroscience, University of Padua, Padua, Italy
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Li XP, Wen F, Yang W, Deng YB, Li M, Zhang PF, Tang RL, Li Q, Wei YQ. The Role of Tiopronin for the Prevention of Chemotherapy-Related Liver Toxicity in Advanced Colorectal Cancer Patients Treated with mFOLFOX7: A Prospective Analysis. Tumori Journal 2018. [DOI: 10.1177/1636.17908] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Xiao-peng Li
- Department of Medical Oncology, Cancer Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu
| | - Feng Wen
- Department of Medical Oncology, Cancer Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu
| | - Wu Yang
- Department of Medical Oncology, People's Hospital, Jingjiang, Jiangsu Province
| | - Yi-bo Deng
- Department of Preclinical and Forensic Medicine, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Meng Li
- Department of Medical Oncology, Cancer Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu
| | - Peng-Fei Zhang
- Department of Medical Oncology, Cancer Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu
| | - Rui-Lei Tang
- Department of Medical Oncology, Cancer Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu
| | - Qiu Li
- Department of Medical Oncology, Cancer Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu
| | - Yu-Quan Wei
- Department of Medical Oncology, Cancer Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu
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Eroğlu O, Karlıdağ T, Kuloğlu T, Keleş E, Kaygusuz İ, Yalçın Ş. The Protective Effect of Cortexin on Cisplatin-Induced Ototoxicity. J Int Adv Otol 2017; 14:27-33. [PMID: 29092803 DOI: 10.5152/iao.2017.3825] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE The aim of this report is to evaluate whether cortexin provides any protective activity against ototoxicity of cisplatin. MATERIALS AND METHODS The study was performed on 30 healthy adult Wistar Albino rats, and rats were randomly divided into three groups of ten. Group I (Control group) was given intraperitoneal (ip) saline solution 1 mL/day. Group II (Cisplatin group) was given ip cisplatin for 2 days at doses of 10 mg/kg. Group III (Cisplatin + Cortexin group) was given ip cisplatin for 2 days at same doses with ip cortexin 2 mg/day for 7 days. Before and on the fourth day of the study, all subjects underwent auditory brainstem response (ABR) and distortion product otoacoustic emissions (DPOAE) tests. At the end of fourth day, half of the subjects in all three groups were decapitated, and their cochlea were removed for histopathologic examination. On the eighth day, tests of the remaining subjects and histopathological examinations were repeated. RESULTS ABR tests on the fourth and eighth days showed elevations in the mean hearing thresholds of Groups II and III compared to Group I (p < 0.05). DPOAE tests revealed a loss in emission values on the fourth and eighth days of the study compared to the baseline in Groups II and III. Comparison of Groups II with III showed that emission loss was higher in Group II at both time points, and the difference was more pronounced on the eighth day. Histopathological findings supported these tests. CONCLUSION Cortexin provide protective activity against cisplatin-induced ototoxicity.
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Affiliation(s)
- Orkun Eroğlu
- Department of Otorhinolaryngology, Fırat University School of Medicine, Elazığ, Turkey
| | - Turgut Karlıdağ
- Department of Otorhinolaryngology, Fırat University School of Medicine, Elazığ, Turkey
| | - Tuncay Kuloğlu
- Department of Histology and Embryology, Fırat University School of Medicine, Elazığ, Turkey
| | - Erol Keleş
- Department of Otorhinolaryngology, Fırat University School of Medicine, Elazığ, Turkey
| | - İrfan Kaygusuz
- Department of Otorhinolaryngology, Fırat University School of Medicine, Elazığ, Turkey
| | - Şinasi Yalçın
- Department of Otorhinolaryngology, Fırat University School of Medicine, Elazığ, Turkey
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Eryilmaz A, Eliyatkin N, Demirci B, Basal Y, Kurt Omurlu I, Gunel C, Aktas S, Toka A, Basak S. Protective effect of Pycnogenol on cisplatin-induced ototoxicity in rats. Pharm Biol 2016; 54:2777-2781. [PMID: 27158843 DOI: 10.1080/13880209.2016.1177093] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
CONTEXT Pycnogenol®, which is French maritime pine bark extract, is a potent antioxidant. It is used in medical conditions caused by oxidative stress. Cisplatin (cis-diamminedichloroplatinum II) is an antineoplastic agent. However, its serious side effects such as ototoxicity limit its usage. OBJECTIVE Antioxidants can be used to prevent ototoxicity. We investigated the effect of Pycnogenol® on cisplatin-induced ototoxicity. MATERIALS AND METHODS Rats were randomly assigned to four groups of five. Distortion product-evoked otoacoustic emissions (DPOAE) test was performed for each rat. The experimental groups were as follows: Control Group, Pycnogenol® Group: 10 mg/kg Pycnogenol® intraperitoneally for 7 days, Cisplatin Group: intraperitoneally 15 mg/kg single injection of cisplatin on the fifth day, Cisplatin + Pycnogenol® Group: intraperitoneally 10 mg/kg Pycnogenol® treatment for 7 days, additionally on the fifth day, 15 mg/kg single injection of cisplatin was given. On the eighth day, DPOAE was re-performed and rats were sacrificed. Apoptosis was evaluated histopathologically. RESULTS Mean percentage of apoptotic cells was 1.5, 3, 30 and 11% in organ of Corti and 2, 2, 40, 15% in spiral ganglion neurons in Control Group, Pycnogenol® Group, Cisplatin Group and Cisplatin + Pycnogenol® Group, respectively. Cisplatin Group and Cisplatin + Pycnogenol® Group were significantly different when compared to Control Group histopathologically both in organ of Corti and spiral ganglion neuron (p <0.001, p = 0.019, p = 0.001, p = 0.015). DPOAE results showed that Cisplatin + Pycnogenol® Group was significantly different when compared to Cisplatin Group at 3, 6 and 8 kHz (p < 0.05). CONCLUSION Pycnogenol protected against cisplatin ototoxicity. Also, pycnogenol is not ototoxic.
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Affiliation(s)
- Aylin Eryilmaz
- a Department of Otorhinolaryngology - Head and Neck Surgery, Medical Faculty , Adnan Menderes University , Aydın , Turkey
| | - Nuket Eliyatkin
- b Department of Pathology, Medical Faculty , Adnan Menderes University , Aydın , Turkey
| | - Buket Demirci
- c Department of Medical Pharmacology, Medical Faculty , Adnan Menderes University , Aydın , Turkey
| | - Yesim Basal
- a Department of Otorhinolaryngology - Head and Neck Surgery, Medical Faculty , Adnan Menderes University , Aydın , Turkey
| | - Imran Kurt Omurlu
- d Department of Biostatistics, Medical Faculty , Adnan Menderes University , Aydın , Turkey
| | - Ceren Gunel
- a Department of Otorhinolaryngology - Head and Neck Surgery, Medical Faculty , Adnan Menderes University , Aydın , Turkey
| | - Safiye Aktas
- e Department of Basic Oncology, School of Medicine , Dokuz Eylul University , Izmir , Turkey
| | - Ali Toka
- a Department of Otorhinolaryngology - Head and Neck Surgery, Medical Faculty , Adnan Menderes University , Aydın , Turkey
| | - Sema Basak
- a Department of Otorhinolaryngology - Head and Neck Surgery, Medical Faculty , Adnan Menderes University , Aydın , Turkey
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Fetoni AR, Ruggiero A, Lucidi D, De Corso E, Sergi B, Conti G, Paludetti G. Audiological Monitoring in Children Treated with Platinum Chemotherapy. Audiol Neurootol 2016; 21:203-211. [PMID: 27286730 DOI: 10.1159/000442435] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 09/24/2015] [Indexed: 11/19/2022] Open
Abstract
Platinum compounds constitute the standard treatment for solid tumors in pediatric oncology. The purpose of this study is to assess the impact of platinum compounds in the development of ototoxicity in children following chemotherapy. This study included 160 patients treated with cisplatin and carboplatin for malignant solid diseases from 2007 to 2014. Their audiograms were classified according to the Boston SIOP ototoxicity scale. Twenty-five percent of the children treated with platinum compounds developed ototoxicity. The incidence of ototoxicity was correlated with the type of platinum derivative (i.e. cisplatin vs. carboplatin), coadministration of both drugs and concomitant cranial radiotherapy, but not with sex and age. Cumulative dose was correlated only with the cisplatin administration. Nine patients (8.6%) showed further progression of hearing impairment after the end of chemotherapy. The low rate of ototoxicity suggests the pivotal role of auditory monitoring in children treated with platinum compounds in order to be able to identify hearing loss at an early stage and to provide, jointly with pediatric oncologists, strategies to reduce further progression of cochlear toxicity.
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Affiliation(s)
- A R Fetoni
- Department of Otolaryngology, Head and Neck Surgery, A. Gemelli Hospital, Università Cattolica, Rome, Italy
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Ciftci Z, Deniz M, Yilmaz I, Ciftci HG, Sirin DY, Gultekin E. In vitro analysis of a novel controlled release system designed for intratympanic administration of N-acetylcysteine: a preliminary report. Am J Otolaryngol 2015; 36:786-93. [PMID: 26545472 DOI: 10.1016/j.amjoto.2015.08.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 08/05/2015] [Accepted: 08/09/2015] [Indexed: 11/30/2022]
Abstract
The aim of this in-vitro experimental study was to design a novel drug delivery system that may permit controlled release of N-acetylcysteine (NAC) following intratympanic administration. The system was composed of two different solutions that attained a hydrogel form within seconds after getting into contact with each other. The authors performed swelling, pH and temperature tests and analysis of controlled release of NAC from this novel controlled release system. For the structure and porosity analysis of the hydrogel, an environmental scanning electron microscope (SEM) was used. The diameter of designed hydrogel showed an increase when pH was increased. In addition, in comparison to acidic values, the pore diameter of the hydrogel increased significantly especially in physiological level. The increase in the pore diameter was also directly proportional to the increase in temperature. Spectrophotometric analysis showed that the amount of NAC released into the medium was statistically significant (p=0.038, t=-2.18, 95% CI; DF: 27). SEM analysis of the samples revealed a smooth surface topography and numerous porous structures. The authors are of the opinion that the designed hydrogel may be used as an alternative method for intratympanic delivery of NAC for otoprotective purposes. The disadvantages of intratympanic injection of the drug in its liquid form, including leakage through eustachian tube, restraining the patient in an uncomfortable position, necessity for repetitive injections and dose dependent inflammation of the middle ear epithelium, may also be avoided. Further in vivo studies should be conducted to assess its tolerability and effectivity.
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Affiliation(s)
- Zafer Ciftci
- Department of Otorhinolaryngology, School of Medicine, Namik Kemal University, Turkey.
| | - Mahmut Deniz
- Department of Otorhinolaryngology, School of Medicine, Namik Kemal University, Turkey
| | - Ibrahim Yilmaz
- Department of Pharmacovigilance and Rational Use of Drugs, Tekirdag State Hospital, Ministry of Health, Turkey
| | - Halide Gunes Ciftci
- Department of Otorhinolaryngology, Tekirdag State Hospital, Ministry of Health, Turkey
| | - Duygu Yasar Sirin
- Department of Biology, School of Arts and Sciences, Namik Kemal University, Turkey
| | - Erdogan Gultekin
- Department of Otorhinolaryngology, School of Medicine, Namik Kemal University, Turkey
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Fetoni AR, Eramo SLM, Paciello F, Rolesi R, Podda MV, Troiani D, Paludetti G. Curcuma longa (curcumin) decreases in vivo cisplatin-induced ototoxicity through heme oxygenase-1 induction. Otol Neurotol 2015; 35:e169-77. [PMID: 24608370 DOI: 10.1097/mao.0000000000000302] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
HYPOTHESIS To investigate whether curcumin may have in vivo protective effects against cisplatin ototoxicity by its direct scavenger activity and/or by curcumin-mediated upregulation of HO-1. BACKGROUND Cisplatin-induced ototoxicity is a major dose-limiting side effect in anticancer chemotherapy. A protective approach to decrease cisplatin ototoxicity without compromising its therapeutic efficacy remains a critical goal for anticancer therapy. Recent evidences indicate that curcumin exhibits antioxidant, anti-inflammatory, and chemosensitizer activities. METHODS In male adult Wistar rats, a curcumin dose of 200 mg/kg, selected from a dose-response curve, was injected 1 hour before cisplatin administration and once daily for the following 3 days. A single dose of cisplatin (16 mg/kg) was administered intraperitoneally. Rats were divided as follows: 1) control, 2) curcumin control, 3) vehicle control, 4) cisplatin, 5) cisplatin+ vehicle, and 6) curcumin+cisplatin. ABRs were measured before and at Days 3 and 5 after cisplatin administration. Rhodamine-phalloidin staining, 4-hydroxy-2-nonenal and heme-oxigenase-1 immunostainings, and Western blot analyses were performed to assess and quantify OHC loss, lipid peroxidation, and the endogenous response to cisplatin-induced damage and to curcumin protection. RESULTS Curcumin treatment attenuated hearing loss induced by cisplatin, increased OHC survival, decreased 4-HNE expression, and increased HO-1 expression. CONCLUSION This preclinical study demonstrates that systemic curcumin attenuates ototoxicity and provides molecular evidence for a role of HO-1 as an additional mediator in attenuating cisplatin-induced damage.
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Affiliation(s)
- Anna R Fetoni
- Department of Otolaryngology, Head and Neck Surgery; Institute of Human Physiology, Catholic University of Rome, Rome, Italy
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Abstract
BACKGROUND Tiopronin, a glycine derivative extensively used to treat cystinuria and hepatic cell injury, can give rise to rare complications such as proteinuria and nephrotic syndrome. However, the pathological characteristics of this secondary nephropathy are poorly understood. Here, we report a case of tiopronin-induced nephrotic syndrome. CASE PRESENTATION A 65-year-old Chinese man with a history of myasthenia gravis admitted tiopronin for hepatoprotection therapy. After 3 months later, he presented with rapid weight gain, massive peripheral edema, and proteinuria in the nephrotic range. Laboratory findings included serum albumin (20 g/L), total protein (38 g/L), and total cholesterol (11.78 mmol/L). A 24-hour urine protein collection contained 8620 mg. Percutaneous renal biopsy revealed a uniformly thickened glomerular and rigid basement membrane with immunoglobulin G (IgG) and complement C3 deposited along the glomerular capillary wall. Withdrawal of tiopronin-induced proteinuria complete remission and clinical resolution of nephrotic syndrome. CONCLUSIONS Potential risk of kidney injury exists with long-term tiopronin treatment. Membranous nephropathy was a common renal pathologic feature. Proteinuria in the nephrotic range may spontaneously remit after tiopronin withdrawal. Periodic urine analysis and patient follow-up are recommended with tiopronin therapy.
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Affiliation(s)
- Zhenfeng Zheng
- Department of Nephrology, General Hospital of Tianjin Medical University , Tianjin , China
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Ozkırış M, Kapusuz Z, Karaçavuş S, Saydam L. The effects of lycopene on cisplatin-induced ototoxicity. Eur Arch Otorhinolaryngol 2013; 270:3027-33. [PMID: 23358585 DOI: 10.1007/s00405-013-2352-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Accepted: 01/06/2013] [Indexed: 02/04/2023]
Abstract
To investigate the potential preventive effect of lycopene in cisplatin-related ototoxicity. Thirty-five healthy 3-3.5-month adult female Sprague-Dawley rats were randomly divided into three groups and treated as follows: Group 1 (n = 10), received no cisplatin or lycopene. Both group 2 (n = 10) and; Group 3 (n = 15) received a single dose of 12 mg/kg cisplatin intraperitoneally. Lycopene was administered via gavage feeding in group 2 for 15 days. Prior to any medication administration, the baseline distortion product emissions were obtained in three groups. The animals were tested again at 15th day. The resulting distortion product otoacoustic emissions (DPOAE) were evaluated at 1.5, 2, 3, 4, 5, 6, 7, 8, 10, and 12 kHz. On day 0, prior to any medications, the initial DPOAEs measurement results gave similar values in the three groups (p > 0.05). In group 2 and 3, statistically significant differences were recorded for all frequencies between day 0 and day 15 values (p < 0.05). Lycopene group demonstrated significantly higher DP-grams except for 1.5 kHz frequency when compared to cisplatin group (p < 0.05). There was a statistically significant difference in basal and mid turn external ciliated cells number (p < 0.05), but there was no statistically significant difference in apical turn between three groups (p > 0.05). Stria vascularis changes were statistically significant between the groups, and the median score for stria vascularis injury was significantly greater in group 3 than in group 2 (p < 0.05). The median scores for spiral ganglion cells changes were significantly greater in group 3 than in group 2 (p < 0.05). The analyses of the results revealed statistically significant differences between two groups (p < 0.05), suggesting lycopene's possible protective effect against cisplatin ototoxicity. The present study revealed that administration of lycopene may demonstrate a protective role against cisplatin-induced ototoxicity in rats.
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Affiliation(s)
- Mahmut Ozkırış
- Department of Otolaryngology, Head and Neck Surgery, Bozok University Medical Faculty, Adnan Menderes Bulvarı No: 42, Yozgat, Turkey
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Chen Z, Wang Z, Chen J, Gao W. Label-free fluorescence turn on detection of tiopronin with tunable dynamic range based on the ensemble of Alizarin Red S/copper ion. Talanta 2012; 99:774-9. [DOI: 10.1016/j.talanta.2012.07.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Revised: 07/05/2012] [Accepted: 07/08/2012] [Indexed: 10/28/2022]
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Yumusakhuylu AC, Yazici M, Sari M, Binnetoglu A, Kosemihal E, Akdas F, Sirvanci S, Yuksel M, Uneri C, Tutkun A. Protective role of resveratrol against cisplatin induced ototoxicity in guinea pigs. Int J Pediatr Otorhinolaryngol 2012; 76:404-8. [PMID: 22261612 DOI: 10.1016/j.ijporl.2011.12.021] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2011] [Accepted: 12/20/2011] [Indexed: 01/03/2023]
Abstract
OBJECTIVE The aim of this study was to evaluate the effectiveness of systemic administration of resveratrol against cisplatin-induced ototoxicity in guinea pigs. MATERIALS AND METHODS Healthy guinea pigs (n=24) were randomly divided into four groups. Group 1 (n=6) received resveratrol+cisplatin, group 2 (n=6) received 4% ethanol+cisplatin, group 3 (n=6) received cisplatin, and group 4 (n=6) received saline. Cisplatin was administered at a dose of 10mg/kg/day on days 14 and 15 of the study. Resveratrol (10mg/kg/day), 4% ethanol, and saline were administered throughout the study. Baseline auditory brainstem responses (ABR) (4 kHz, 8 kHz, and click stimulus) were determined for all groups. ABR was repeated 72 h after the last dose of cisplatin in order to record the threshold shifts. The ABR threshold shifts for the click stimulus, 4-kHz- and 8-kHz-frequency stimuli were compared after drug administration. After follow-up ABRs the animals sacrificed under deep sedation and their cochleae were removed. Left cochleae were immediately harvested for measurement of level of reactive oxygen species (ROS). Right cochleae were prepared for histological changes which were observed by scanning electron microscopy (SEM). RESULTS For the all stimulus, there was a significant threshold difference among the groups (p<0.01). Group 3 had a significantly higher threshold shift at all stimuli when compared with groups 1 and 4. There was no significant threshold shifts in all stimuli between groups 2 and 3. The resveratrol-treated group 1 showed preservation of threshold in ABR (p ≤ 0.05). SEM showed that inner and outer hair cells were preserved in the group 1. Level of reactive oxygen species (ROS) were significantly higher in groups 2 and 3 compared with groups 1 and 4 (p ≤ 0.05). CONCLUSION These results indicated that systemic administration of resveratrol afforded statistically significant protection to the cochlea of guinea pigs from cisplatin toxicity. Experimental dose of resveratrol injections may have a protective effect against cisplatin ototoxicity in guinea pigs.
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Liu L, Li J, Li Q. A novel method for the determination of tiopronin by using potassium ferricyanide as spectroscopic probe reagent in pharmaceutical and urine samples. J Anal Chem 2011. [DOI: 10.1134/s1061934812010091] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Goldsborough AS, Handley MD, Dulcey AE, Pluchino KM, Kannan P, Brimacombe KR, Hall MD, Griffiths G, Gottesman MM. Collateral sensitivity of multidrug-resistant cells to the orphan drug tiopronin. J Med Chem 2011; 54:4987-97. [PMID: 21657271 PMCID: PMC3208667 DOI: 10.1021/jm2001663] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A major challenge in the treatment of cancer is multidrug resistance (MDR) that develops during chemotherapy. Here we demonstrate that tiopronin (1), a thiol-substituted N-propanoylglycine derivative, was selectively toxic to a series of cell lines expressing the drug efflux pump P-glycoprotein (P-gp, ABCB1) and MRP1 (ABCC1). Treatment of MDR cells with 1 led to instability of the ABCB1 mRNA and consequently a reduction in P-gp protein, despite functional assays demonstrating that tiopronin does not interact with P-gp. Long-term exposure of P-gp-expressing cells to 1 sensitized them to doxorubicin and paclitaxel, both P-gp substrates. Treatment of MRP1-overexpressing cells with tiopronin led to a significant reduction in MRP1 protein. Synthesis and screening of analogues of tiopronin demonstrated that the thiol functional group was essential for collateral sensitivity while substitution of the amino acid backbone altered but did not destroy specificity, pointing to future development of targeted analogues.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B
- ATP Binding Cassette Transporter, Subfamily B, Member 1/genetics
- ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism
- Antineoplastic Agents/chemical synthesis
- Antineoplastic Agents/chemistry
- Antineoplastic Agents/pharmacology
- Cell Line, Tumor
- Doxorubicin/pharmacology
- Drug Resistance, Multiple/drug effects
- Drug Resistance, Neoplasm/drug effects
- Drug Screening Assays, Antitumor
- HEK293 Cells
- Humans
- Multidrug Resistance-Associated Proteins/metabolism
- Orphan Drug Production
- Paclitaxel/pharmacology
- RNA Stability
- RNA, Messenger/metabolism
- Structure-Activity Relationship
- Tiopronin/chemical synthesis
- Tiopronin/chemistry
- Tiopronin/pharmacology
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Affiliation(s)
- Andrew S Goldsborough
- Laboratory of Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
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Yazici ZM, Meric A, Midi A, Arınc YV, Kahya V, Hafız G. Reduction of cisplatin ototoxicity in rats by oral administration of pomegranate extract. Eur Arch Otorhinolaryngol 2011; 269:45-52. [DOI: 10.1007/s00405-011-1582-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2011] [Accepted: 03/14/2011] [Indexed: 10/18/2022]
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Chen YH, Tian FS, Zhang GF. High-sensitivity spectrofluorimetric determination of tiopronin based on inhibition of hemoglobin. LUMINESCENCE 2010; 26:477-80. [DOI: 10.1002/bio.1255] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2010] [Revised: 09/06/2010] [Accepted: 09/07/2010] [Indexed: 11/07/2022]
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Paksoy M, Ayduran E, Şanlı A, Eken M, Aydın S, Oktay ZA. The protective effects of intratympanic dexamethasone and vitamin E on cisplatin-induced ototoxicity are demonstrated in rats. Med Oncol 2010; 28:615-21. [DOI: 10.1007/s12032-010-9477-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2010] [Accepted: 03/01/2010] [Indexed: 10/19/2022]
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Altun ZS, Güneş D, Aktaş S, Erbayraktar Z, Erbayrktar Z, Olgun N. Protective effects of acetyl-L-carnitine on cisplatin cytotoxicity and oxidative stress in neuroblastoma. Neurochem Res 2009; 35:437-43. [PMID: 19851866 DOI: 10.1007/s11064-009-0076-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/01/2009] [Indexed: 11/24/2022]
Abstract
The most widely used platinum-derived drug is cisplatin in neuroblastoma (NB) chemotherapy, which is severely neurotoxic. Acetyl-L-Carnitine (ALC) is a natural occurring compound with a neuroprotective activity in several experimental paradigms. The aim of this study was to determine the effects of ALC on cisplatin induced cytotoxicity and oxidative stress in NB cells. SH-SY5Y (N-Myc negative) and KELLY (N-Myc positive) human NB cell lines were used. Cisplatin induced apoptosis was assessed by using a Cell Death Detection ELISA(PLUS) kit. Lipid peroxidation levels were determined by HPLC analysis. Glutathione levels were determined spectrophotometrically. ALC was used prophylactic or after cisplatin application. The level of cisplatin doses were determined in both type of NB cells at which 50% cell death occurred along with synchronized apoptosis induced. Prophylactic 10 and 50 micromol of ALC concentrations were decreased cisplatin induced lipid peroxidation compared to controls that normally exhibited apoptosis especially in SH-SY5Y cells. Cisplatin caused oxidative stress through decreasing glutathione levels in both cell types. ALC were effectively inhibited the increase in cisplatin induced oxidized glutathione and lipid peroxidation formation in NB cells. We suggested that prophylactic ALC would be a useful agent for cisplatin induced toxicity in NB cells.
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Affiliation(s)
- Zekiye Sultan Altun
- Department of Basic Oncology, Institute of Oncology, Dokuz Eylul University, Inciralti, 35340, Izmir, Turkey.
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de Freitas MR, de Castro Brito GA, de Carvalho JV Jr, Gomes RM Jr, Barreto Martins MJ, de Albuquerque Ribeiro R. Light microscopy study of cisplatin-induced ototoxicity in rats. J Laryngol Otol 2009; 123:590-7. [PMID: 19144244 DOI: 10.1017/S0022215109004319] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Although most studies on animal ototoxicity employ scanning electron microscopy, all cochlear structures may be identified with light microscopy. This paper describes a simple method of histological assessment of cisplatin-induced ototoxicity in rats, and relates morphological changes to functional changes in hearing detected by distortion product evoked otoacoustic emissions. MATERIALS AND METHODS Male Wistar rats were injected with 8 mg/kg/day cisplatin, or with an equivalent volume of saline solution, for three consecutive days. They underwent distortion product evoked otoacoustic emission testing at baseline and at 24 or 48 hours after the last administration. At the end of the experiment, the animals were sacrificed and their cochleae were retrieved and prepared for haematoxylin and eosin staining. RESULTS A four-point scoring system was used to grade injury to the external ciliated cells, as indicated by the number of cells absent from the basal turn of the cochlear duct. A four-point scoring system was also used to grade stria vascularis injury, as indicated by the degree of shrinkage of the intermediate cells. Scores were significantly higher in groups treated with cisplatin compared with controls. Morphological changes were confirmed by decreased distortion product evoked otoacoustic emission amplitudes in animals treated with cisplatin. CONCLUSION This method is simple to perform with routine histology equipment and is appropriate for the study of acute, cisplatin-induced ototoxicity in rats.
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Abstract
Two major classes of drugs currently in clinical use can cause permanent hearing loss. Aminoglycoside antibiotics have a major role in the treatment of life-threatening infections and platinum-based chemotherapeutic agents are highly effective in the treatment of malignant disease. Both damage the hair cells of the inner ear, resulting in functional deficits. The mechanisms underlying these troublesome side effects are thought to involve the production of reactive oxygen species in the cochlea, which can trigger cell-death pathways. One strategy to protect the inner ear from ototoxicity is the administration of antioxidant drugs to provide upstream protection and block the activation of cell-death sequences. Downstream prevention involves the interruption of the cell-death cascade that has already been activated, to prevent apoptosis. Challenges and opportunities exist for appropriate drug delivery to the inner ear and for avoiding interference with the therapeutic efficacy of both categories of ototoxic drugs.
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Affiliation(s)
- Leonard P Rybak
- Department of Surgery, Southern Illinois University, School of Medicine, P.O. Box 19653, Springfield, IL 62794-9653, USA.
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Xu J, Cai R, Wang J, Liu Z, Wu X. Fluorometric assay of tiopronin based on inhibition of multienzyme redox system. J Pharm Biomed Anal 2005; 39:334-8. [PMID: 16085148 DOI: 10.1016/j.jpba.2005.03.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2004] [Revised: 03/08/2005] [Accepted: 03/12/2005] [Indexed: 11/15/2022]
Abstract
In this paper, a simple and sensitive fluorimetric method for the determination of tiopronin (N-(2-mercaptopropionyl)-glycine) is proposed. The method is based on the strong inhibitory effect of tiopronin on the multienzyme redox system of hemoglobin, nicotinamide adenine dinucleotide (NADH) and H(2)O(2), in which the intrinsic fluorescence of NADH was employed as the detection signal. The calibration graph is linear in the range 6.13 x 10(-7) to 6.13 x 10(-6) M with a detection limit of 1.65 x 10(-7) M and the relative standard deviation of 2.02%. Kinetics in the pseudo-first-order conditions was investigated by stopped-flow spectrofluorometry and the inhibition mechanism of tiopronin was verified of the competitive type.
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Affiliation(s)
- Jing Xu
- Department of Chemistry, Wuhan University, China
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