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Warren G, Osborn M, Tsantoulas C, David-Pereira A, Cohn D, Duffy P, Ruston L, Johnson C, Bradshaw H, Kaczocha M, Ojima I, Yates A, O'Sullivan SE. Discovery and Preclinical Evaluation of a Novel Inhibitor of FABP5, ART26.12, Effective in Oxaliplatin-Induced Peripheral Neuropathy. THE JOURNAL OF PAIN 2024; 25:104470. [PMID: 38232863 DOI: 10.1016/j.jpain.2024.01.335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 01/05/2024] [Accepted: 01/08/2024] [Indexed: 01/19/2024]
Abstract
Oxaliplatin-induced peripheral neuropathy (OIPN) is a dose-limiting toxicity characterised by mechanical allodynia and thermal hyperalgesia, without any licensed medications. ART26.12 is a fatty acid-binding protein (FABP) 5 inhibitor with antinociceptive properties, characterised here for the prevention and treatment of OIPN. ART26.12 binds selectively to FABP5 compared to FABP3, FABP4, and FABP7, with minimal off-target liabilities, high oral bioavailability, and a NOAEL of 1,000 mg/kg/day in rats and dogs. In an established preclinical OIPN model, acute oral dosing (25-100 mg/kg) showed a cannabinoid receptor type 1 (CB1)-dependent anti-allodynic effect lasting up to 8 hours (persisting longer than plasma exposure to ART26.12). Antagonists of cannabinoid receptor type 2 (CB2), peroxisome proliferator-activated receptor alpha, and transient receptor potential cation channel subfamily V member 1 (TRPV1) may have also been implicated. Twice daily oral dosing (25 mg/kg bis in die (BID) for 7 days) showed anti-allodynic effects in an established OIPN model without the development of tolerance. In a prevention paradigm, coadministration of ART26.12 (10 and 25 mg/kg BID for 15 days) with oxaliplatin prevented thermal hyperalgesia, mitigated mechanical allodynia, and attenuated OXA-induced weight loss. Multi-scale analyses revealed widespread lipid modulation, particularly among N-acyl amino acids in the spinal cord, including potential analgesic mediators. Additionally, ART26.12 administration led to upregulation of ion channels in the periaqueductal grey, and broad translational upregulation within the plasma proteome. These results show promise that ART26.12 is a safe and well-tolerated candidate for the treatment and prevention of OIPN through lipid modulation. PERSPECTIVE: Inhibition of fatty acid-binding protein 5 (FABP5) is a novel target for reducing pain associated with chemotherapy. ART26.12 is a safe and well-tolerated small molecule FABP5 inhibitor effective at preventing and reducing pain induced with oxaliplatin through lipid modulation and activation of cannabinoid receptors.
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Affiliation(s)
| | | | | | | | | | | | | | - Clare Johnson
- Department of Psychological and Brain Sciences, Bloomington, Indiana
| | - Heather Bradshaw
- Department of Psychological and Brain Sciences, Bloomington, Indiana
| | - Martin Kaczocha
- Department of Anesthesiology, Stony Brook University, New York; Institute of Chemical Biology and Drug Discovery, Stony Brook University, New York
| | - Iwao Ojima
- Department of Chemistry, Stony Brook University, New York; Institute of Chemical Biology and Drug Discovery, Stony Brook University, New York
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Li J, Rouse SL, Matthews IR, Sherr EH, Chan DK. Modulating the Unfolded Protein Response with ISRIB Mitigates Cisplatin Ototoxicity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.10.17.562797. [PMID: 37905009 PMCID: PMC10614842 DOI: 10.1101/2023.10.17.562797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
Cisplatin is a commonly used chemotherapy agent with a nearly universal side effect of sensorineural hearing loss. The cellular mechanisms underlying cisplatin ototoxicity are poorly understood. Efforts in drug development to prevent or reverse cisplatin ototoxicity have largely focused on pathways of oxidative stress and apoptosis. An effective treatment for cisplatin ototoxicity, sodium thiosulfate (STS), while beneficial when used in standard risk hepatoblastoma, is associated with reduced survival in disseminated pediatric malignancies, highlighting the need for more specific drugs without potential tumor protective effects. The unfolded protein response (UPR) and endoplasmic reticulum (ER) stress pathways have been shown to be involved in the pathogenesis of noise-induced hearing loss and cochlear synaptopathy in vivo, and these pathways have been implicated broadly in cisplatin cytotoxicity. This study sought to determine whether the UPR can be targeted to prevent cisplatin ototoxicity. Neonatal cochlear cultures and HEK cells were exposed to cisplatin and UPR-modulating drugs, and UPR marker gene expression and cell death measured. Treatment with ISRIB, a drug that activates eif2B and downregulates the pro-apoptotic PERK/CHOP pathway of the UPR, was tested in an in vivo mouse model of cisplatin ototoxicity and well as a head and neck squamous cell carcinoma (HNSCC) cell-based assay of cisplatin cytotoxicity. Cisplatin exhibited a biphasic, non-linear dose-response of cell death and apoptosis that correlated with different patterns of UPR marker gene expression in HEK cells and cochlear cultures. ISRIB treatment protected against cisplatin-induced hearing loss and hair-cell death, but did not impact the cytotoxic effects of cisplatin on HNSCC cell viability, unlike STS. These findings demonstrate that targeting the pro-apoptotic PERK/CHOP pathway with ISRIB can mitigate cisplatin ototoxicity without reducing anti-cancer cell effects, suggesting that this may be a viable strategy for drug development.
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Ocaña-Arakachi K, Martínez-Herculano J, Jurado R, Llaguno-Munive M, Garcia-Lopez P. Pharmacokinetics and Anti-Tumor Efficacy of PEGylated Liposomes Co-Loaded with Cisplatin and Mifepristone. Pharmaceuticals (Basel) 2023; 16:1337. [PMID: 37895808 PMCID: PMC10609730 DOI: 10.3390/ph16101337] [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: 08/01/2023] [Revised: 09/09/2023] [Accepted: 09/19/2023] [Indexed: 10/29/2023] Open
Abstract
Although cisplatin is an effective chemotherapy drug used against many types of cancer, it has poor bioavailability, produces severe adverse effects, and frequently leads to tumor resistance. Consequently, more effective formulations are needed. The co-administration of cisplatin with mifepristone, which counters an efflux pump drug-resistance mechanism in tumor cells, has shown important synergism, but without resolving the problem of poor bioavailability. Specificity to tumor tissue and bioavailability have been improved by co-encapsulating cisplatin and mifepristone in a liposomal formulation (L-Cis/MF), which needs further research to complete pre-clinical requirements. The aim of this current contribution was to conduct a pharmacokinetic study of cisplatin and mifepristone in male Wistar rats after administration of L-Cis/MF and the conventional (unencapsulated) formulation. Additionally, the capacity of L-Cis/MF to reduce tumor growth in male nude mice was evaluated following the implantation of xenografts of non-small-cell lung cancer. The better pharmacokinetics (higher plasma concentration) of cisplatin and mifepristone when injected in the liposomal versus the conventional formulation correlated with greater efficacy in controlling tumor growth. Future research on L-Cis/MF will characterize its molecular mechanisms and apply it to other types of cancer affected by the synergism of cisplatin and mifepristone.
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Affiliation(s)
- Karen Ocaña-Arakachi
- Laboratorio de Fármaco-Oncología, Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Mexico City 14080, Mexico; (K.O.-A.); (J.M.-H.); (R.J.); (M.L.-M.)
- Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico
| | - Julio Martínez-Herculano
- Laboratorio de Fármaco-Oncología, Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Mexico City 14080, Mexico; (K.O.-A.); (J.M.-H.); (R.J.); (M.L.-M.)
| | - Rafael Jurado
- Laboratorio de Fármaco-Oncología, Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Mexico City 14080, Mexico; (K.O.-A.); (J.M.-H.); (R.J.); (M.L.-M.)
| | - Monserrat Llaguno-Munive
- Laboratorio de Fármaco-Oncología, Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Mexico City 14080, Mexico; (K.O.-A.); (J.M.-H.); (R.J.); (M.L.-M.)
- Laboratorio de Física Médica, Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Mexico City 14080, Mexico
| | - Patricia Garcia-Lopez
- Laboratorio de Fármaco-Oncología, Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Mexico City 14080, Mexico; (K.O.-A.); (J.M.-H.); (R.J.); (M.L.-M.)
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4
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Baek JI, Kim YR, Lee KY, Kim UK. Mitochondrial redox system: A key target of antioxidant therapy to prevent acquired sensorineural hearing loss. Front Pharmacol 2023; 14:1176881. [PMID: 37063286 PMCID: PMC10102650 DOI: 10.3389/fphar.2023.1176881] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 03/22/2023] [Indexed: 04/03/2023] Open
Abstract
Noise (noise-induced hearing loss), and ototoxic drugs (drug-induced ototoxicity), and aging (age-related hearing loss) are the major environmental factors that lead to acquired sensorineural hearing loss. So far, there have been numerous efforts to develop protective or therapeutic agents for acquired hearing loss by investigating the pathological mechanisms of each types of hearing loss, especially in cochlear hair cells and auditory nerves. Although there is still a lack of information on the underlying mechanisms of redox homeostasis and molecular redox networks in hair cells, an imbalance in mitochondrial reactive oxygen species (ROS) levels that enhance oxidative stress has been suggested as a key pathological factor eventually causing acquired sensorineural hearing loss. Thus, various types of antioxidants have been investigated for their abilities to support auditory cells in maintenance of the hearing function against ototoxic stimuli. In this review, we will discuss the scientific possibility of developing drugs that target particular key elements of the mitochondrial redox network in prevention or treatment of noise- and ototoxic drug-induced hearing loss.
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Affiliation(s)
- Jeong-In Baek
- Department of Companion Animal Health, College of Rehabilitation and Health, Daegu Haany University, Gyeongsan, Republic of Korea
| | - Ye-Ri Kim
- Department of Biology, College of Natural Sciences, Kyungpook National University, Daegu, Republic of Korea
- Advanced Bio-Resource Research Center, Kyungpook National University, Daegu, Republic of Korea
| | - Kyu-Yup Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Un-Kyung Kim
- Department of Biology, College of Natural Sciences, Kyungpook National University, Daegu, Republic of Korea
- School of Life Sciences, KNU Creative BioResearch Group (BK21 Plus Project), Kyungpook National University, Daegu, Republic of Korea
- *Correspondence: Un-Kyung Kim,
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RGD-decorated PLGA nanoparticles improved effectiveness and safety of cisplatin for lung cancer therapy. Int J Pharm 2023; 633:122587. [PMID: 36623741 DOI: 10.1016/j.ijpharm.2023.122587] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 12/18/2022] [Accepted: 01/04/2023] [Indexed: 01/08/2023]
Abstract
Upon extensive pharmaceutical and biomedical research to treat lung cancer indicates that lung cancer remains one of the deadliest diseases and the leading cause of death in men and women worldwide. Lung cancer remains untreated and has a high mortality rate due to the limited potential for effective treatment with existing therapies. This highlights the urgent need to develop an effective, precise and sustainable solutions to treat lung cancer. In this study, we developed RGD receptor-targeted PLGA nanoparticles for the controlled and targeted co-delivery of cisplatin (CDDP) and upconversion nanoparticles (UCNP) in lung cancer therapy. Pluronic F127-RGD conjugate was synthesized by carbodiimide chemistry method and the conjugation was confirmed by FTIR and 1HNMR spectroscopy techniques. PLGA nanoparticles were developed by the double emulsification method, then the surface of the prepared nanoparticles was decorated with Pluronic F127-RGD conjugate. The prepared formulations were characterized for their particle size, polydispersity index, zeta potential, surface morphology, drug encapsulation efficiency, and in vitro drug release and haemolysis studies. Pharmacokinetic studies and safety parameters in BAL fluid were assessed in rats. Histopathology of rat lung tissue was performed. The obtained results of particle sizes of the nanoparticle formulations were found 100-200 nm, indicating the homogeneity of dispersed colloidal nanoparticles formulations. Transmission Electron Microscopy (TEM) revealed the spherical shape of the prepared nanoparticles. The drug encapsulation efficiency of PLGA nanoparticles was found to range from 60% to 80% with different nanoparticles counterparts. RGD receptor-targeted PLGA nanoparticles showed controlled drug release for up to 72 h. Further, RGD receptor-targeted PLGA nanoparticles achieved higher cytotoxicity in compared to CFT, CFT, and Ciszest-50 (marketed CDDP injection). The pharmacokinetic study revealed that RGD receptor-targeted PLGA nanoparticles were 4.6-fold more effective than Ciszest-50. Furthermore, RGD receptor-targeted PLGA nanoparticles exhibited negligible damage to lung tissue, low systemic toxicity, and high biocompatible and safety in lung tissue. The results of RGD receptor-targeted PLGA nanoparticles indicated that it is a promising anticancer system that could further exploited as a potent therapeutic approach for lung cancer.
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PD-1/PD-L1 and DNA Damage Response in Cancer. Cells 2023; 12:cells12040530. [PMID: 36831197 PMCID: PMC9954559 DOI: 10.3390/cells12040530] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 01/29/2023] [Accepted: 02/02/2023] [Indexed: 02/09/2023] Open
Abstract
The application of immunotherapy for cancer treatment is rapidly becoming more widespread. Immunotherapeutic agents are frequently combined with various types of treatments to obtain a more durable antitumor clinical response in patients who have developed resistance to monotherapy. Chemotherapeutic drugs that induce DNA damage and trigger DNA damage response (DDR) frequently induce an increase in the expression of the programmed death ligand-1 (PD-L1) that can be employed by cancer cells to avoid immune surveillance. PD-L1 exposed on cancer cells can in turn be targeted to re-establish the immune-reactive tumor microenvironment, which ultimately increases the tumor's susceptibility to combined therapies. Here we review the recent advances in how the DDR regulates PD-L1 expression and point out the effect of etoposide, irinotecan, and platinum compounds on the anti-tumor immune response.
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A new nano-delivery system for cisplatin using green-synthesized iron oxide nanoparticles. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2022. [DOI: 10.1007/s13738-022-02706-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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8
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Moretton A, Slyskova J, Simaan ME, Arasa-Verge EA, Meyenberg M, Cerrón-Infantes DA, Unterlass MM, Loizou JI. Clickable Cisplatin Derivatives as Versatile Tools to Probe the DNA Damage Response to Chemotherapy. Front Oncol 2022; 12:874201. [PMID: 35719993 PMCID: PMC9202558 DOI: 10.3389/fonc.2022.874201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 04/29/2022] [Indexed: 12/04/2022] Open
Abstract
Cisplatin induces DNA crosslinks that are highly cytotoxic. Hence, platinum complexes are frequently used in the treatment of a broad range of cancers. Efficiency of cisplatin treatment is limited by the tumor-specific DNA damage response to the generated lesions. We reasoned that better tools to investigate the repair of DNA crosslinks induced by cisplatin would therefore be highly useful in addressing drug limitations. Here, we synthesized a series of cisplatin derivatives that are compatible with click chemistry, thus allowing visualization and isolation of DNA-platinum crosslinks from cells to study cellular responses. We prioritized one alkyne and one azide Pt(II) derivative, Pt-alkyne-53 and Pt-azide-64, for further biological characterization. We demonstrate that both compounds bind DNA and generate DNA lesions and that the viability of treated cells depends on the active DNA repair machinery. We also show that the compounds are clickable with both a fluorescent probe as well as biotin, thus they can be visualized in cells, and their ability to induce crosslinks in genomic DNA can be quantified. Finally, we show that Pt-alkyne-53 can be used to identify DNA repair proteins that bind within its proximity to facilitate its removal from DNA. The compounds we report here can be used as valuable experimental tools to investigate the DNA damage response to platinum complexes and hence might shed light on mechanisms of chemoresistance.
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Affiliation(s)
- Amandine Moretton
- Center for Cancer Research, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.,CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Jana Slyskova
- Center for Cancer Research, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.,CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Marwan E Simaan
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria.,Institute of Materials Chemistry, Technische Universität Wien, Vienna, Austria.,Institute of Applied Synthetic Chemistry, Technische Universität Wien, Vienna, Austria
| | - Emili A Arasa-Verge
- Center for Cancer Research, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Mathilde Meyenberg
- Center for Cancer Research, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.,CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - D Alonso Cerrón-Infantes
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria.,Institute of Materials Chemistry, Technische Universität Wien, Vienna, Austria.,Institute of Applied Synthetic Chemistry, Technische Universität Wien, Vienna, Austria.,Department of Chemistry, Solid State Chemistry, Universität Konstanz, Konstanz, Germany
| | - Miriam M Unterlass
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria.,Institute of Materials Chemistry, Technische Universität Wien, Vienna, Austria.,Institute of Applied Synthetic Chemistry, Technische Universität Wien, Vienna, Austria.,Department of Chemistry, Solid State Chemistry, Universität Konstanz, Konstanz, Germany
| | - Joanna I Loizou
- Center for Cancer Research, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.,CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
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Yang F, Jia M, Deng C, Xiao B, Dai R, Xiang Y. Silibinin ameliorates cisplatin-induced acute kidney injury via activating Nfe2l1-mediated antioxidative response to suppress the ROS/MAPK signaling pathway. J Mol Histol 2022; 53:729-740. [PMID: 35727472 DOI: 10.1007/s10735-022-10089-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 06/07/2022] [Indexed: 10/18/2022]
Abstract
Cisplatin, a first-line chemotherapeutic agent commonly used to treat various solid tumors, induce severe adverse effects, especially nephrotoxicity, which largely limits its clinical application. However, the currently used measures to prevent nephrotoxicity are not ideal owing to the mechanisms underlying cisplatin-induced nephrotoxicity are not comprehensively understood. Herein, we examined the effects of silibinin on cisplatin-induced nephrotoxicity and found that silibinin exerted cytoprotection effects during cisplatin treatment in HEK293 cells and in a cisplatin-induced acute kidney injury (AKI) model. Mechanistically, silibinin ameliorated cisplatin-induced AKI via decreasing ROS-mediated MAPK signaling pathway activation, which was confirmed using the inhibitor N-acetylcysteine. Moreover, the protective effect of silibinin against cisplatin-induced ROS generation through the antioxidant transcription factor nuclear factor-erythroid 2-related factor 1 (Nfe2l1), rather than Nfe2l2, mediates HO1 expression. Furthermore, interference with the abundance of Nfe2l1 using siRNA or an overexpression plasmid enhanced or decreased the effect of cisplatin-induced apoptosis, respectively, in HEK293 cells. Interestingly, Nfe2l1 protein stability was more sensitive to cisplatin than that of Nfe2l2. More importantly, the mechanism that silibinin activates Nfe2l1-mediated antioxidant responses was confirmed in a cisplatin-induced AKI model. Silibinin rescued cisplatin-induced Nfe2l1 inhibition by regulating its transcription and post-translational modifications. Taken together, our results reveal a novel mechanism by which silibinin ameliorates cisplatin-induced AKI via activating Nfe2l1-mediated antioxidative response, which provides a new insights to protect patients receiving cisplatin-based cancer treatment against AKI.
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Affiliation(s)
- Fang Yang
- Department of Physiology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
| | - Man Jia
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
| | - Chengfeng Deng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
| | - Bin Xiao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
| | - Rongyang Dai
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China.
| | - Yuancai Xiang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China. .,Department of Biochemistry and Molecular Biology, Third Military Medical University, Chongqing, China.
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10
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Elbeltagy A, Mohamed G, Akeel M, Abdelaziz K, Elbakry K, Elsayed A. Modulatory role of garlic ( Allium sativum) extract against cisplatin- induced nephrotoxicity in female albino rats and their offspring. F1000Res 2022; 11:504. [PMID: 37547786 PMCID: PMC10403747 DOI: 10.12688/f1000research.111293.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/19/2022] [Indexed: 08/08/2023] Open
Abstract
Background: Cisplatin (CP) is one of the chemotherapeutic drugs widely utilized in the treatment of several malignancies. However, recently; its use has been limited because of its hazardous health drawbacks. Previous researches confirmed that CP has severe deleterious side effects on pregnant mothers and their fetuses. Garlic ( Allium sativum) extract has been claimed to exhibit potent antioxidative and free radical scavenging abilities. Aim: This work is mainly designed to evaluate the potential therapeutic role of garlic extract against CP-induced nephrotoxicity in pregnant rats and their offspring. Methods: 24 pregnant rats were used in the current study. They were randomly allocated into four groups (n=6): control, garlic, CP, and CP + garlic group. At the end of the weaning period, the mothers and the offsprings of all groups were sacrificed, the kidneys were immediately excised, and processed for histological and biochemical investigations. Also, blood samples were withdrawn and processed for estimation of the assigned biochemical parameters. Results: The renal histological sections from CP-treated mother rats displayed pronounced histopathological lesions however, their offspring showed mild renal histopathological lesions if compared with those of their mothers. The levels of renal tissue Superoxide dismutase, catalase, and glutathione peroxidase enzymes were significantly decreased. On the contrary, the levels of malondialdehyde, serum urea, and creatinine were significantly increased in CP-treated mother rats and their offspring as compared with control. The percentage value of caspase 3 activity was markedly elevated in the renal tissues of CP-treated mother rats and their offspring compared to the control group. Supplementation of garlic extract to the CP treated rats; the overall histological lesions, as well as biochemical parameters, were restored nearly to the control ones. It is concluded that garlic ( Allium sativum) extract has a powerful ameliorative role against CP-induced nephrotoxicity in pregnant rats and their offspring.
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Affiliation(s)
| | - Gamal Mohamed
- Department of Human Anatomy, , Faculty of Medicine, Jazan University, Jazan, KSA, Jazan, 45142, Saudi Arabia
| | - Mohammed Akeel
- Department of Human Anatomy, , Faculty of Medicine, Jazan University, Jazan, KSA, Jazan, 45142, Saudi Arabia
| | - Karoline Abdelaziz
- Zoology, Damanhour University Faculty of Science, Damanhour, 22511, Egypt
| | - Kadry Elbakry
- Zoology, Faculty of Science, Damietta, University, Damietta, Egypt, Damietta, 34611, Egypt
| | - Ahmed Elsayed
- Zoology, Damanhour University Faculty of Science, Damanhour, 22511, Egypt
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Abstract
Ototoxicity refers to damage to the inner ear that leads to functional hearing loss or vestibular disorders by selected pharmacotherapeutics as well as a variety of environmental exposures (eg, lead, cadmium, solvents). This article reviews the fundamental mechanisms underlying ototoxicity by clinically relevant, hospital-prescribed medications (ie, aminoglycoside antibiotics or cisplatin, as illustrative examples). Also reviewed are current strategies to prevent prescribed medication-induced ototoxicity, with several clinical or candidate interventional strategies being discussed.
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Affiliation(s)
- Peter S Steyger
- Translational Hearing Center, Biomedical Sciences, Creighton University, 2500 California Plaza, Omaha, NE 68178, USA.
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12
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Naushad M, Urooj M, Ahmad T, Husain GM, Kazmi MH, Zakir M. Nephroprotective effect of Apium graveolens L. against Cisplatin-induced nephrotoxicity. J Ayurveda Integr Med 2021; 12:607-615. [PMID: 34774409 PMCID: PMC8642661 DOI: 10.1016/j.jaim.2021.06.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 06/06/2021] [Accepted: 06/08/2021] [Indexed: 11/23/2022] Open
Abstract
Background Cisplatin is extensively used in treating cancers, and its primary side-effect is nephrotoxicity. It accumulates in proximal convoluted tubules where it promotes cellular damage by oxidative stress, apoptosis, and inflammation, etc. In Unani medicine, Tukhm-e-Karafs(Apium graveolens L.) (TK) is mentioned in the literature to manage various kidney ailments due to its diuretic and deobstruent activities. Objective To investigate the nephroprotective effects of powder of TK in Cisplatin-induced nephrotoxicity in an animal model and to validate the Unani claim of its nephroprotective action. Material and methods In curative protocol, cisplatin (5 mg/kg body weight i.p) was administered on day one and powder of TK (500 and 1000 mg/kg p.o.) from the sixth day onwards for ten days. TK (500 and 1000 mg/kg p.o.) was given for ten days and Cisplatin (5 mg/kg body weight i.p) on day 11 in the protective model. At the end of the study, all the animals were sacrificed, and renal biochemical parameters were determined. KIM-1 level was also investigated in the kidney homogenate in conjunction with histopathological inspection of kidney tissues. Results Significant increase in serum creatinine and BUN, presence of mononuclear cell infiltration, tubular dilation and vacuolation in renal histopathology, and increased KIM-1 level confirmed the nephrotoxicity due to Cisplatin. TK's administration protects the kidney as suggested by the changes in biochemical renal function, decreased level of KIM-1, and improvement in histopathological changes. Conclusion The result advocated that TK prevented renal injury and maintained normal renal function in both models. It may be due to improved clearance of Cisplatin from kidney tubules and reduction in reactive oxygen species (ROS) produced by the inflammatory response.
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Affiliation(s)
- Mohd Naushad
- Department of Ilmul Advia, National Research Institute of Unani Medicine for Skin Disorders (NRIUMSD), Hyderabad, India
| | - Mohd Urooj
- National Research Institute of Unani Medicine for Skin Disorders (NRIUMSD), Hyderabad, India
| | - Tasleem Ahmad
- National Research Institute of Unani Medicine for Skin Disorders (NRIUMSD), Hyderabad, India
| | - Gulam Mohammed Husain
- National Research Institute of Unani Medicine for Skin Disorders (NRIUMSD), Hyderabad, India
| | - Munawwar Husain Kazmi
- Department of Ilmul Advia, National Research Institute of Unani Medicine for Skin Disorders (NRIUMSD), Hyderabad, India
| | - Mohammad Zakir
- Department of Ilmul Advia, National Research Institute of Unani Medicine for Skin Disorders (NRIUMSD), Hyderabad, India.
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Steyger PS. Mechanisms of Aminoglycoside- and Cisplatin-Induced Ototoxicity. Am J Audiol 2021; 30:887-900. [PMID: 34415784 PMCID: PMC9126111 DOI: 10.1044/2021_aja-21-00006] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 04/30/2021] [Accepted: 05/14/2021] [Indexed: 12/11/2022] Open
Abstract
Purpose This review article summarizes our current understanding of the mechanisms underlying acquired hearing loss from hospital-prescribed medications that affects as many as 1 million people each year in Western Europe and North America. Yet, there are currently no federally approved drugs to prevent or treat the debilitating and permanent hearing loss caused by the life-saving platinum-based anticancer drugs or the bactericidal aminoglycoside antibiotics. Hearing loss has long-term impacts on quality-of-life measures, especially in young children and older adults. This review article also highlights some of the current knowledge gaps regarding iatrogenic causes of hearing loss. Conclusion Further research is urgently needed to further refine clinical practice and better ameliorate iatrogenic drug-induced hearing loss.
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Affiliation(s)
- Peter S. Steyger
- Translational Hearing Center, Creighton University, Omaha, NE
- National Center for Rehabilitative Auditory Research, VA Portland Health Care System, OR
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14
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Pan C, Kang J, Hwang JS, Li J, Boese AC, Wang X, Yang L, Boggon TJ, Chen GZ, Saba NF, Shin DM, Magliocca KR, Jin L, Kang S. Cisplatin-mediated activation of glucocorticoid receptor induces platinum resistance via MAST1. Nat Commun 2021; 12:4960. [PMID: 34400618 PMCID: PMC8368102 DOI: 10.1038/s41467-021-24845-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 07/06/2021] [Indexed: 02/04/2023] Open
Abstract
Agonists of glucocorticoid receptor (GR) are frequently given to cancer patients with platinum-containing chemotherapy to reduce inflammation, but how GR influences tumor growth in response to platinum-based chemotherapy such as cisplatin through inflammation-independent signaling remains largely unclear. Combined genomics and transcription factor profiling reveal that MAST1, a critical platinum resistance factor that reprograms the MAPK pathway, is upregulated upon cisplatin exposure through activated transcription factor GR. Mechanistically, cisplatin binds to C622 in GR and recruits GR to the nucleus for its activation, which induces MAST1 expression and consequently reactivates MEK signaling. GR nuclear translocation and MAST1 upregulation coordinately occur in patient tumors collected after platinum treatment, and align with patient treatment resistance. Co-treatment with dexamethasone and cisplatin restores cisplatin-resistant tumor growth, whereas addition of the MAST1 inhibitor lestaurtinib abrogates tumor growth while preserving the inhibitory effect of dexamethasone on inflammation in vivo. These findings not only provide insights into the underlying mechanism of GR in cisplatin resistance but also offer an effective alternative therapeutic strategy to improve the clinical outcome of patients receiving platinum-based chemotherapy with GR agonists.
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Affiliation(s)
- Chaoyun Pan
- Department of Biochemistry and Molecular Biology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA, USA
| | - JiHoon Kang
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA, USA
| | - Jung Seok Hwang
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA, USA
| | - Jie Li
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA, USA
| | - Austin C Boese
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA, USA
| | - Xu Wang
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA, USA
| | - Likun Yang
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA, USA
| | - Titus J Boggon
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT, USA
| | - Georgia Z Chen
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA, USA
| | - Nabil F Saba
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA, USA
| | - Dong M Shin
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA, USA
| | - Kelly R Magliocca
- Department of Pathology & Laboratory Medicine, Emory University School of Medicine, Atlanta, GA, USA
| | - Lingtao Jin
- Department of Anatomy and Cell Biology, University of Florida, College of Medicine, Gainesville, FL, USA
| | - Sumin Kang
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA, USA.
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15
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Ferraro G, Loreto D, Merlino A. Interaction of Platinum-based Drugs with Proteins: An Overview of Representative Crystallographic Studies. Curr Top Med Chem 2021; 21:6-27. [PMID: 32579504 DOI: 10.2174/1568026620666200624162213] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 05/11/2020] [Accepted: 05/13/2020] [Indexed: 12/27/2022]
Abstract
Pt-based drugs are widely used in clinics for the treatment of cancer. The mechanism of action of these molecules relies on their interaction with DNA. However, the recognition of these metal compounds by proteins plays an important role in defining pharmacokinetics, side effects and their overall pharmacological profiles. Single crystal X-ray diffraction studies provided important information on the molecular mechanisms at the basis of this process. Here, the molecular structures of representative adducts obtained upon reaction with proteins of selected Pt-based drugs, including cisplatin, carboplatin and oxaliplatin, are briefly described and comparatively examined. Data indicate that metal ligands play a significant role in driving the reaction of Pt compounds with proteins; non-covalent interactions that occur in the early steps of Pt compound/protein recognition process play a crucial role in defining the structure of the final Pt-protein adduct. In the metallated protein structures, Pt centers coordinate few protein side chains, such as His, Met, Cys, Asp, Glu and Lys residues upon releasing labile ligands.
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Affiliation(s)
- Giarita Ferraro
- Department of Chemistry Ugo Schiff, University of Florence, Sesto Fiorentino, Firenze, Italy
| | - Domenico Loreto
- Department of Chemical Sciences, University of Naples Federico II, Napoli, Italy
| | - Antonello Merlino
- Department of Chemical Sciences, University of Naples Federico II, Napoli, Italy
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16
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Li X, Wang Y, Hu S, Bai Y. Screening and Identifying Cisplatin-Related Gene Mutations in Lung Squamous Cell Carcinoma. PHARMACOGENOMICS & PERSONALIZED MEDICINE 2020; 13:757-766. [PMID: 33376383 PMCID: PMC7755377 DOI: 10.2147/pgpm.s264545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 12/01/2020] [Indexed: 12/25/2022]
Abstract
Introduction Platinum-based chemotherapy is the cornerstone of treatment for patients with LUSC, but cisplatin resistance greatly restricts its clinical application. Therefore, it is particularly important to screen the predominant LUSC population using biomarkers. Methods Data for 15 LUSC cell lines were downloaded from the Genomics of Drug Sensitivity in Cancer (GDSC) Project database to screen for mutations related to cisplatin susceptibility. We conducted whole-exome sequencing (WES) of tumors from 58 LUSC patients from Sichuan Provincial People’s Hospital of University of Electronic Science and Technology. Subsequently, the clinical prognostic value of these mutations was verified by using The Cancer Genome Atlas (TCGA)-LUSC cohort and our cohort (n=58). Results Based on the cisplatin sensitivity data of GDSC-LUSC and survival analysis of TCGA-LUSC and Local-LUSC cohorts, we found that only mutation of IGF2R was associated with cisplatin sensitivity, better overall survival [OS; P=0.04, HR (95% CI): 0.42 (0.23–0.78)] and progression-free survival [PFS; P =0.016, HR (95% CI): 0.26 (0.12–0.59)]. However, there were no significant differences in the frequencies of gene mutations between the IGF2R-mutant (IGF2R-MT) and IGF2R-wild-type (IGF2R-WT) groups. Gene set enrichment analysis (GSEA) and single-sample GSEA (ssGSEA) indicated enhanced intracellular detoxification and decreased abnormal signaling activity to reverse cisplatin tolerance in the IGF2R-MT group. Conclusion The results suggest that IGF2R mutations are a potential biomarker for screening LUSC patients suitable for cisplatin treatment.
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Affiliation(s)
- Xiaohua Li
- Department of Respiratory and Critical Care Medicine, Sixth People's Hospital of Chengdu, Chengdu 610051, Sichuan, People's Republic of China.,Department of Oncology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu 611731, People's Republic of China
| | - Yuntao Wang
- Department of Oncology, The Fifth People's Hospital Affiliated to Chengdu University of Traditional Chinese Medicine the Second Clinical Medical College, Chengdu 611130, Sichuan, People's Republic of China
| | - Sheng Hu
- Department of Respiratory and Intensive Care Medicine, The General Hospital of Western Theatre Command, Chengdu 610083, Sichuan, People's Republic of China
| | - Yifeng Bai
- Department of Oncology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu 611731, People's Republic of China
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17
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Khan AA, Allemailem KS, Almatroudi A, Almatroodi SA, Mahzari A, Alsahli MA, Rahmani AH. Endoplasmic Reticulum Stress Provocation by Different Nanoparticles: An Innovative Approach to Manage the Cancer and Other Common Diseases. Molecules 2020; 25:E5336. [PMID: 33207628 PMCID: PMC7697255 DOI: 10.3390/molecules25225336] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 11/12/2020] [Accepted: 11/14/2020] [Indexed: 02/06/2023] Open
Abstract
A proper execution of basic cellular functions requires well-controlled homeostasis including correct protein folding. Endoplasmic reticulum (ER) implements such functions by protein reshaping and post-translational modifications. Different insults imposed on cells could lead to ER stress-mediated signaling pathways, collectively called the unfolded protein response (UPR). ER stress is also closely linked with oxidative stress, which is a common feature of diseases such as stroke, neurodegeneration, inflammation, metabolic diseases, and cancer. The level of ER stress is higher in cancer cells, indicating that such cells are already struggling to survive. Prolonged ER stress in cancer cells is like an Achilles' heel, if aggravated by different agents including nanoparticles (NPs) may be exhausted off the pro-survival features and can be easily subjected to proapoptotic mode. Different types of NPs including silver, gold, silica, graphene, etc. have been used to augment the cytotoxicity by promoting ER stress-mediated cell death. The diverse physico-chemical properties of NPs play a great role in their biomedical applications. Some special NPs have been effectively used to address different types of cancers as these particles can be used as both toxicological or therapeutic agents. Several types of NPs, and anticancer drug nano-formulations have been engineered to target tumor cells to enhance their ER stress to promote their death. Therefore, mitigating ER stress in cancer cells in favor of cell death by ER-specific NPs is extremely important in future therapeutics and understanding the underlying mechanism of how cancer cells can respond to NP induced ER stress is a good choice for the development of novel therapeutics. Thus, in depth focus on NP-mediated ER stress will be helpful to boost up developing novel pro-drug candidates for triggering pro-death pathways in different cancers.
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Affiliation(s)
- Amjad Ali Khan
- Department of Basic Health Sciences, College of Applied Medical Sciences, Qassim University, Buraydah 52571, Saudi Arabia;
| | - Khaled S. Allemailem
- Department of Basic Health Sciences, College of Applied Medical Sciences, Qassim University, Buraydah 52571, Saudi Arabia;
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 52571, Saudi Arabia; (A.A.); (S.A.A.); (M.A.A.); (A.H.R.)
| | - Ahmad Almatroudi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 52571, Saudi Arabia; (A.A.); (S.A.A.); (M.A.A.); (A.H.R.)
| | - Saleh A. Almatroodi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 52571, Saudi Arabia; (A.A.); (S.A.A.); (M.A.A.); (A.H.R.)
| | - Ali Mahzari
- Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Albaha University, Albaha 65527, Saudi Arabia;
| | - Mohammed A. Alsahli
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 52571, Saudi Arabia; (A.A.); (S.A.A.); (M.A.A.); (A.H.R.)
| | - Arshad Husain Rahmani
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 52571, Saudi Arabia; (A.A.); (S.A.A.); (M.A.A.); (A.H.R.)
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18
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Pandey S, Nandi A, Basu S, Ballav N. Inducing endoplasmic reticulum stress in cancer cells using graphene oxide-based nanoparticles. NANOSCALE ADVANCES 2020; 2:4887-4894. [PMID: 36132889 PMCID: PMC9417581 DOI: 10.1039/d0na00338g] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 08/17/2020] [Indexed: 06/10/2023]
Abstract
The endoplasmic reticulum is one of the vital organelles primarily involved in protein synthesis, folding, and transport and lipid biosynthesis. However, in cancer cells its functions are dysregulated leading to ER stress. ER stress is now found to be closely associated with hallmarks of cancer and has subsequently emerged as an alluring target in cancer therapy. However, specific targeting of the ER in a cancer cell milieu remains a challenge. To address this, in this report we have engineered ER-targeted self-assembled 3D spherical graphene oxide nanoparticles (ER-GO-NPs) encompassing dual ER stress inducers, doxorubicin and cisplatin. DLS, FESEM and AFM techniques revealed that the nanoparticles were spherical in shape with a sub 200 nm diameter. Confocal microscopy confirmed the specific homing of these ER-GO-NPs into the subcellular ER within 3 h. A combination of gel electrophoresis, confocal microscopy and flow cytometry studies revealed that these ER-GO-NPs induced ER stress mediated apoptosis in HeLa cells. Interestingly, the nanoparticles also activated autophagy which was inhibited through the cocktail treatment with ER-GO-NPs and chloroquine (CQ). At the same time these ER-GO-NPs were found to be efficient in prompting ER stress associated apoptosis in breast, lung and drug resistant triple negative breast cancer cell lines as well. We envision that these ER specific self-assembled graphene oxide nanoparticles can serve as a platform to exploit ER stress and its associated unfolded protein response (UPR) as a target resulting in promising therapeutic outcomes in cancer therapy.
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Affiliation(s)
- Shalini Pandey
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Pune Dr Homi Bhabha Road, Pashan Pune Maharashtra 411008 India
| | - Aditi Nandi
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Pune Dr Homi Bhabha Road, Pashan Pune Maharashtra 411008 India
| | - Sudipta Basu
- Discipline of Chemistry, Indian Institute of Technology (IIT) Gandhinagar Palaj Gandhinagar Gujarat 382355 India
| | - Nirmalya Ballav
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Pune Dr Homi Bhabha Road, Pashan Pune Maharashtra 411008 India
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19
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Neurotoxicity of antineoplastic drugs: Mechanisms, susceptibility, and neuroprotective strategies. Adv Med Sci 2020; 65:265-285. [PMID: 32361484 DOI: 10.1016/j.advms.2020.04.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 12/22/2019] [Accepted: 04/13/2020] [Indexed: 02/06/2023]
Abstract
This review summarizes the adverse effects on the central and/or peripheral nervous systems that may occur in response to antineoplastic drugs. In particular, we describe the neurotoxic side effects of the most commonly used drugs, such as platinum compounds, doxorubicin, ifosfamide, 5-fluorouracil, vinca alkaloids, taxanes, methotrexate, bortezomib and thalidomide. Neurotoxicity may result from direct action of compounds on the nervous system or from metabolic alterations produced indirectly by these drugs, and either the central nervous system or the peripheral nervous system, or both, may be affected. The incidence and severity of neurotoxicity are principally related to the dose, to the duration of treatment, and to the dose intensity, though other factors, such as age, concurrent pathologies, and genetic predisposition may enhance the occurrence of side effects. To avoid or reduce the onset and severity of these neurotoxic effects, the use of neuroprotective compounds and/or strategies may be helpful, thereby enhancing the therapeutic effectiveness of antineoplastic drug.
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20
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Hung CC, Li FA, Liang SS, Wang LF, Lin IL, Chiu CC, Lee CH, Chen JYF. Direct Binding of Cisplatin to p22phox, an Endoplasmic Reticulum (ER) Membrane Protein, Contributes to Cisplatin Resistance in Oral Squamous Cell Carcinoma (OSCC) Cells. Molecules 2020; 25:molecules25173815. [PMID: 32825798 PMCID: PMC7504690 DOI: 10.3390/molecules25173815] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 08/18/2020] [Accepted: 08/19/2020] [Indexed: 01/14/2023] Open
Abstract
Prolonged treatment with cisplatin (CDDP) frequently develops chemoresistance. We have previously shown that p22phox, an endoplasmic reticulum (ER) membrane protein, confers CDDP resistance by blocking CDDP nuclear entry in oral squamous cell carcinoma (OSCC) cells; however, the underlying mechanism remains unresolved. Using a fluorescent dye-labeled CDDP, here we show that CDDP can bind to p22phox in both cell-based and cell-free contexts. Subsequent detection of CDDP-peptide interaction by the Tris-Tricine-based electrophoresis revealed that GA-30, a synthetic peptide matching a region of the cytosolic domain of p22phox, could interact with CDDP. These results were further confirmed by liquid chromatography–mass spectrometry (LC–MS) analysis, from which MA-11, an 11-amino acid subdomain of the GA-30 domain, could largely account for the interaction. Amino acid substitutions at Cys50, Met65 and Met73, but not His72, significantly impaired the binding between CDDP and the GA-30 domain, thereby suggesting the potential CDDP-binding residues in p22phox protein. Consistently, the p22phox point mutations at Cys50, Met65 and Met73, but not His72, resensitized OSCC cells to CDDP-induced cytotoxicity and apoptosis. Finally, p22phox might have binding specificity for the platinum drugs, including CDDP, carboplatin and oxaliplatin. Together, we have not only identified p22phox as a novel CDDP-binding protein, but further highlighted the importance of such a drug-protein interaction in drug resistance.
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Affiliation(s)
- Chih-Chang Hung
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (C.-C.H.); (S.-S.L.); (C.-C.C.)
| | - Fu-An Li
- Institute of Biomedical Sciences, Academia Sinica, Taipei 100, Taiwan;
| | - Shih-Shin Liang
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (C.-C.H.); (S.-S.L.); (C.-C.C.)
- Institute of Biomedical Science, National Sun Yat-sen University, Kaohsiung 807, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Ling-Feng Wang
- Department of Otolaryngology, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Department of Otolaryngology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung 807, Taiwan
| | - I-Ling Lin
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Chien-Chih Chiu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (C.-C.H.); (S.-S.L.); (C.-C.C.)
| | - Chiu-Hsien Lee
- National Yujing Senior Vocational School of Technology and Commerce, Tainan 714, Taiwan;
| | - Jeff Yi-Fu Chen
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (C.-C.H.); (S.-S.L.); (C.-C.C.)
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Correspondence: ; Tel.: +886-7-3121101 (ext. 2730)
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21
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Yi J, Kim TS, Pak JH, Chung JW. Protective Effects of Glucose-Related Protein 78 and 94 on Cisplatin-Mediated Ototoxicity. Antioxidants (Basel) 2020; 9:E686. [PMID: 32748834 PMCID: PMC7465420 DOI: 10.3390/antiox9080686] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 07/24/2020] [Accepted: 07/28/2020] [Indexed: 12/31/2022] Open
Abstract
Cisplatin is a widely used chemotherapeutic drug for treating various solid tumors. Ototoxicity is a major dose-limiting side effect of cisplatin, which causes progressive and irreversible sensorineural hearing loss. Here, we examined the protective effects of glucose-related protein (GRP) 78 and 94, also identified as endoplasmic reticulum (ER) chaperone proteins, on cisplatin-induced ototoxicity. Treating murine auditory cells (HEI-OC1) with 25 μM cisplatin for 24 h increased cell death resulting from excessive intracellular reactive oxygen species (ROS) accumulation and caspase-involved apoptotic signaling pathway activation with subsequent DNA fragmentation. GRP78 and GRP94 expression was increased in cells treated with 3 nM thapsigargin or 0.1 μg/mL tunicamycin for 24 h, referred to as mild ER stress condition. This condition, prior to cisplatin exposure, attenuated cisplatin-induced ototoxicity. The involvement of GRP78 and GRP94 induction was demonstrated by the knockdown of GRP78 or GRP94 expression using small interfering RNAs, which abolished the protective effect of mild ER stress condition on cisplatin-induced cytotoxicity. These results indicated that GRP78 and GRP94 induction plays a protective role in remediating cisplatin-ototoxicity.
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Affiliation(s)
- Junyeong Yi
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-Gu, Seoul 05505, Korea
| | - Tae Su Kim
- Department of Otorhinolaryngology, School of Medicine, Kangwon National University, Gangwondaehakgil, Chuncheon, Gangwon-Do 24341, Korea
| | - Jhang Ho Pak
- Department of Convergence Medicine, University of Ulsan College of Medicine and Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-Gu, Seoul 05505, Korea
| | - Jong Woo Chung
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-Gu, Seoul 05505, Korea
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22
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Abstract
How do organisms deal with free iron? On the one hand, iron is an essential metal that plays crucial structural and functional roles in many organisms. On the other hand, free iron is extremely toxic, particularly under aerobic conditions, where iron rapidly undergoes the Fenton reaction and produces highly reactive hydroxyl radicals. Our study now demonstrates that we have discovered one of the first physiologically relevant nonproteinaceous iron chelators and Fenton inhibitors. We found that polyphosphate, a highly conserved and ubiquitous inorganic polyanion, chelates iron and, through its multivalency, prevents the interaction of iron with peroxide and therefore the formation of hydroxyl radicals. We show that polyP provides a crucial iron reservoir for metalloproteins under nonstress conditions and effectively chelates free iron during iron stress. Importantly, polyP is present in all cells and organisms and hence is likely to take on this crucial function in both prokaryotic and eukaryotic cells. Maintaining cellular iron homeostasis is critical for organismal survival. Whereas iron depletion negatively affects the many metabolic pathways that depend on the activity of iron-containing enzymes, any excess of iron can cause the rapid formation of highly toxic reactive oxygen species (ROS) through Fenton chemistry. Although several cellular iron chelators have been identified, little is known about if and how organisms can prevent the Fenton reaction. By studying the effects of cisplatin, a commonly used anticancer drug and effective antimicrobial, we discovered that cisplatin elicits severe iron stress and oxidative DNA damage in bacteria. We found that both of these effects are successfully prevented by polyphosphate (polyP), an abundant polymer consisting solely of covalently linked inorganic phosphates. Subsequent in vitro and in vivo studies revealed that polyP provides a crucial iron reservoir under nonstress conditions and effectively complexes free iron and blocks ROS formation during iron stress. These results demonstrate that polyP, a universally conserved biomolecule, plays a hitherto unrecognized role as an iron chelator and an inhibitor of the Fenton reaction.
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23
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Raudenska M, Balvan J, Fojtu M, Gumulec J, Masarik M. Unexpected therapeutic effects of cisplatin. Metallomics 2020; 11:1182-1199. [PMID: 31098602 DOI: 10.1039/c9mt00049f] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cisplatin is a widely used chemotherapeutic agent that is clinically approved to fight both carcinomas and sarcomas. It has relatively high efficiency in treating ovarian cancers and metastatic testicular cancers. It is generally accepted that the major mechanism of cisplatin anti-cancer action is DNA damage. However, cisplatin is also effective in metastatic cancers and should, therefore, affect slow-cycling cancer stem cells in some way. In this review, we focused on the alternative effects of cisplatin that can support a good therapeutic response. First, attention was paid to the effects of cisplatin at the cellular level such as changes in intracellular pH and cellular mechanical properties. Alternative cellular targets of cisplatin, and the effects of cisplatin on cancer cell metabolism and ER stress were also discussed. Furthermore, the impacts of cisplatin on the tumor microenvironment and in the whole organism context were reviewed. In this review, we try to reveal possible causes of the unexpected effectiveness of this anti-cancer drug.
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Affiliation(s)
- Martina Raudenska
- Department of Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic.
| | - Jan Balvan
- Department of Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic. and Department of Pathological Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic and Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, CZ-612 00 Brno, Czech Republic
| | - Michaela Fojtu
- Department of Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic.
| | - Jaromir Gumulec
- Department of Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic. and Department of Pathological Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic and Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, CZ-612 00 Brno, Czech Republic
| | - Michal Masarik
- Department of Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic. and Department of Pathological Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic and BIOCEV, First Faculty of Medicine, Charles University, Průmyslová 595, CZ-252 50 Vestec, Czech Republic
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24
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Möltgen S, Piumatti E, Massafra GM, Metzger S, Jaehde U, Kalayda GV. Cisplatin Protein Binding Partners and Their Relevance for Platinum Drug Sensitivity. Cells 2020; 9:E1322. [PMID: 32466394 PMCID: PMC7349790 DOI: 10.3390/cells9061322] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 05/21/2020] [Accepted: 05/22/2020] [Indexed: 12/24/2022] Open
Abstract
Cisplatin is a widely used drug in the treatment of various solid tumors, such as ovarian cancer. However, while the acquired resistance significantly limits the success of therapy, some tumors, such as colorectal cancer, are intrinsically insensitive to cisplatin. Only a small amount of intracellular platinum binds to the target-genomic DNA. The fate of the remaining drug is largely obscure. This work aimed to identify the cytosolic protein binding partners of cisplatin in ovarian and colorectal cancer cells and to evaluate their relevance for cell sensitivity to cisplatin and oxaliplatin. Using the fluorescent cisplatin analog BODIPY-cisplatin, two-dimensional gel electrophoresis, and mass spectrometry, we identified the protein binding partners in A2780 and cisplatin-resistant A2780cis ovarian carcinoma, as well as in HCT-8 and oxaliplatin-resistant HCT-8ox colorectal cell lines. Vimentin, only identified in ovarian cancer cells; growth factor receptor-bound protein 2, only identified in colorectal cancer cells; and glutathione-S-transferase π, identified in all four cell lines, were further investigated. The effect of pharmacological inhibition and siRNA-mediated knockdown on cytotoxicity was studied to assess the relevance of these binding partners. The silencing of glutathione-S-transferase π significantly sensitized intrinsically resistant HCT-8 and HCT-8ox cells to cisplatin, suggesting a possible involvement of the protein in the resistance of colorectal cancer cells to the drug. The inhibition of vimentin with FiVe1 resulted in a significant sensitization of A2780 and A2780cis cells to cisplatin, revealing new possibilities for improving the chemosensitivity of ovarian cancer cells.
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Affiliation(s)
- Sophie Möltgen
- Department of Clinical Pharmacy, Institute of Pharmacy, University of Bonn, 53113 Bonn, Germany; (S.M.); (E.P.); (G.M.M.); (U.J.)
| | - Eleonora Piumatti
- Department of Clinical Pharmacy, Institute of Pharmacy, University of Bonn, 53113 Bonn, Germany; (S.M.); (E.P.); (G.M.M.); (U.J.)
| | - Giuseppe M. Massafra
- Department of Clinical Pharmacy, Institute of Pharmacy, University of Bonn, 53113 Bonn, Germany; (S.M.); (E.P.); (G.M.M.); (U.J.)
| | - Sabine Metzger
- Cologne Biocenter, MS Facility, University of Cologne, 50923 Cologne, Germany;
- Leibniz Research Institute for Environmental Medicine, 40225 Düsseldorf, Germany
| | - Ulrich Jaehde
- Department of Clinical Pharmacy, Institute of Pharmacy, University of Bonn, 53113 Bonn, Germany; (S.M.); (E.P.); (G.M.M.); (U.J.)
| | - Ganna V. Kalayda
- Department of Clinical Pharmacy, Institute of Pharmacy, University of Bonn, 53113 Bonn, Germany; (S.M.); (E.P.); (G.M.M.); (U.J.)
- Federal Institute for Drugs and Medical Devices (BfArM), 53175 Bonn, Germany
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25
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Sohn H, Shin HW, Lee SM. Metal-Mediated Morphology Regulation of Self-Assembled Double-Hydrophilic Block Copolymers. ACS Macro Lett 2020; 9:600-605. [PMID: 35648493 DOI: 10.1021/acsmacrolett.0c00120] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
We report a nanoscale morphology-regulation strategy of self-assembled double-hydrophilic block copolymers with square planar PtII compounds. The selective coordination of PtII on the chelating blocks of poly(acrylic acid)-b-poly(ethylene glycol) (PAA-b-PEG) induced the self-association of metal-chelated unimers by the known cohesive force of PtII. The block-length variation of PAA with constant PEG led to the shape transition from normal core/shell and crew-cut spheres to anisotropic pearl-string structures. On the other hand, PtII adsorption on PEG blocks by extensive hydrogen bonding can further modify the molecular geometry of metal-chelated unimers by decreasing the volume of hydrophilic segments, eventually leading to the shape transition to vesicular structures. This result was well correlated to the structural constraint of PEG conformation estimated by the quantitative 1H NMR analysis. The vesicles also exhibited the enclosing nature for the fluorescent guest molecules, which demonstrated the promising potential for the encapsulating delivery vehicle.
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Affiliation(s)
- Hyerin Sohn
- Department of Chemistry, The Catholic University of Korea, Bucheon, Gyeonggi-do 14662, Korea
| | - Hyeon-Woo Shin
- Department of Chemistry, The Catholic University of Korea, Bucheon, Gyeonggi-do 14662, Korea
| | - Sang-Min Lee
- Department of Chemistry, The Catholic University of Korea, Bucheon, Gyeonggi-do 14662, Korea
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26
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Tracking the cellular targets of platinum anticancer drugs: Current tools and emergent methods. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.118984] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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27
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Kros CJ, Steyger PS. Aminoglycoside- and Cisplatin-Induced Ototoxicity: Mechanisms and Otoprotective Strategies. Cold Spring Harb Perspect Med 2019; 9:cshperspect.a033548. [PMID: 30559254 DOI: 10.1101/cshperspect.a033548] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Ototoxicity refers to damage of inner ear structures (i.e., the cochlea and vestibule) and their function (hearing and balance) following exposure to specific in-hospital medications (i.e., aminoglycoside antibiotics, platinum-based drugs), as well as a variety of environmental or occupational exposures (e.g., metals and solvents). This review provides a narrative derived from relevant papers describing factors contributing to (or increasing the risk of) aminoglycoside and cisplatin-induced ototoxicity. We also review current strategies to protect against ototoxicity induced by these indispensable pharmacotherapeutic treatments for life-threatening infections and solid tumors. We end by highlighting several interventional strategies that are currently in development, as well as the diverse challenges that still need to be overcome to prevent drug-induced hearing loss.
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Affiliation(s)
- Corné J Kros
- Sussex Neuroscience, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QG, United Kingdom
| | - Peter S Steyger
- Oregon Hearing Research Center, Oregon Health & Science University, Portland, Oregon 97239.,National Center for Rehabilitative Auditory Research, VA Portland Health Care System, Portland, Oregon 97239
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28
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Massai L, Pratesi A, Gailer J, Marzo T, Messori L. The cisplatin/serum albumin system: A reappraisal. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.118983] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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29
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Studying the reactivity of “old” Cu(II) complexes for “novel” anticancer purposes. J Inorg Biochem 2019; 195:51-60. [DOI: 10.1016/j.jinorgbio.2019.03.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 03/12/2019] [Accepted: 03/14/2019] [Indexed: 12/12/2022]
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30
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Miyazawa M, Bogdan AR, Tsuji Y. Perturbation of Iron Metabolism by Cisplatin through Inhibition of Iron Regulatory Protein 2. Cell Chem Biol 2018; 26:85-97.e4. [PMID: 30449675 DOI: 10.1016/j.chembiol.2018.10.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 06/29/2018] [Accepted: 10/05/2018] [Indexed: 01/06/2023]
Abstract
Cisplatin is classically known to exhibit anticancer activity through DNA damage in the nucleus. Here we found a mechanism by which cisplatin affects iron metabolism, leading to toxicity and cell death. Cisplatin causes intracellular iron deficiency through direct inhibition of the master regulator of iron metabolism, iron regulatory protein 2 (IRP2) with marginal effects on IRP1. Cisplatin, but not carboplatin or transplatin, binds human IRP2 at Cys512 and Cys516 and impairs IRP2 binding to iron-responsive elements of ferritin and transferrin receptor-1 (TfR1) mRNAs. IRP2 inhibition by cisplatin caused ferritin upregulation and TfR1 downregulation leading to sustained intracellular iron deficiency. Cys512/516Ala mutant IRP2 made cells more resistant to cisplatin. Furthermore, combination of cisplatin and the iron chelator desferrioxamine enhanced cytotoxicity through augmented iron depletion in culture and xenograft mouse model. Collectively, cisplatin is an inhibitor of IRP2 that induces intracellular iron deficiency.
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Affiliation(s)
- Masaki Miyazawa
- Department of Biological Sciences, North Carolina State University, Campus Box 7633, Raleigh, NC 27695, USA.
| | - Alexander R Bogdan
- Department of Biological Sciences, North Carolina State University, Campus Box 7633, Raleigh, NC 27695, USA
| | - Yoshiaki Tsuji
- Department of Biological Sciences, North Carolina State University, Campus Box 7633, Raleigh, NC 27695, USA.
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31
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Sun Y, Zhai L, Ma S, Zhang C, Zhao L, Li N, Xu Y, Zhang T, Guo Z, Zhang H, Xu P, Zhao X. Down-regulation of RIP3 potentiates cisplatin chemoresistance by triggering HSP90-ERK pathway mediated DNA repair in esophageal squamous cell carcinoma. Cancer Lett 2018; 418:97-108. [DOI: 10.1016/j.canlet.2018.01.022] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 12/30/2017] [Accepted: 01/08/2018] [Indexed: 11/29/2022]
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32
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Kumbhakonam S, Vellaisamy K, Saroj S, Venkatesan N, D. K, Kannoth Manheri M. Serine- and threonine-derived diamine equivalents for site-specific incorporation of platinum centers in peptides, and the anticancer potential of these conjugates. NEW J CHEM 2018. [DOI: 10.1039/c7nj03999a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A modular strategy that gives access to a library of peptide–Pt conjugates and their anticancer potential is presented.
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Affiliation(s)
| | | | - Soumya Saroj
- Department of Chemistry
- Indian Institute of Technology Madras
- Chennai
- India
| | - Nalini Venkatesan
- Department of Biotechnology
- Indian Institute of Technology Madras
- Chennai
- India
| | - Karunagaran D.
- Department of Biotechnology
- Indian Institute of Technology Madras
- Chennai
- India
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33
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Cisplatin is retained in the cochlea indefinitely following chemotherapy. Nat Commun 2017; 8:1654. [PMID: 29162831 PMCID: PMC5698400 DOI: 10.1038/s41467-017-01837-1] [Citation(s) in RCA: 239] [Impact Index Per Article: 34.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 10/19/2017] [Indexed: 11/15/2022] Open
Abstract
Cisplatin chemotherapy causes permanent hearing loss in 40–80% of treated patients. It is unclear whether the cochlea has unique sensitivity to cisplatin or is exposed to higher levels of the drug. Here we use inductively coupled plasma mass spectrometry (ICP-MS) to examine cisplatin pharmacokinetics in the cochleae of mice and humans. In most organs cisplatin is detected within one hour after injection, and is eliminated over the following days to weeks. In contrast, the cochlea retains cisplatin for months to years after treatment in both mice and humans. Using laser ablation coupled to ICP-MS, we map cisplatin distribution within the human cochlea. Cisplatin accumulation is consistently high in the stria vascularis, the region of the cochlea that maintains the ionic composition of endolymph. Our results demonstrate long-term retention of cisplatin in the human cochlea, and they point to the stria vascularis as an important therapeutic target for preventing cisplatin ototoxicity. Permanent hearing loss occurs in many cancer patients treated with cisplatin. In this study, the authors examine cisplatin pharmacokinetics in the cochleae of mice and humans showing that cisplatin is retained for months to years after treatment.
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34
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Cunningham RM, DeRose VJ. Platinum Binds Proteins in the Endoplasmic Reticulum of S. cerevisiae and Induces Endoplasmic Reticulum Stress. ACS Chem Biol 2017; 12:2737-2745. [PMID: 28892625 DOI: 10.1021/acschembio.7b00553] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Pt(II)-based anticancer drugs are widely used in the treatment of a variety of cancers, but their clinical efficacy is hindered by undesirable side effects and resistance. While much research has focused on Pt(II) drug interactions with DNA, there is increasing interest in proteins as alternative targets and contributors to cytotoxic and resistance mechanisms. Here, we describe a chemical proteomic method for isolation and identification of cellular protein targets of platinum compounds using Pt(II) reagents that have been modified for participation in the 1,3 dipolar cycloaddition "click" reaction. Using this method to visualize and enrich for targets, we identified 152 proteins in Pt(II)-treated Saccharomyces cerevisiae. Of interest was the identification of multiple proteins involved in the endoplasmic reticulum (ER) stress response, which has been proposed to be an important cytoplasmic mediator of apoptosis in response to cisplatin treatment. Consistent with possible direct targeting of this pathway, the ER stress response was confirmed to be induced in Pt(II)-treated yeast along with in vitro Pt(II)-inhibition of one of the identified proteins, protein disulfide isomerase.
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Affiliation(s)
- Rachael M. Cunningham
- Department of Chemistry and
Institute of Molecular Biology, University of Oregon, Eugene, Oregon 97403, United States
| | - Victoria J. DeRose
- Department of Chemistry and
Institute of Molecular Biology, University of Oregon, Eugene, Oregon 97403, United States
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35
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Zong S, Liu T, Wan F, Chen P, Luo P, Xiao H. Endoplasmic Reticulum Stress Is Involved in Cochlear Cell Apoptosis in a Cisplatin-Induced Ototoxicity Rat Model. Audiol Neurootol 2017; 22:160-168. [PMID: 29049998 DOI: 10.1159/000480346] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 08/11/2017] [Indexed: 12/14/2022] Open
Abstract
Endoplasmic reticulum (ER) stress arises when excessive improperly folded proteins accumulate in the ER lumen. When ER stress occurs, the unfolded protein response (UPR) is subsequently activated to restore ER proteostasis. However, severe ER stress leads to apoptosis. Recent studies have suggested that cisplatin cytotoxicity may be related to ER stress. The purpose of this study was to determine whether ER stress participates in cochlear cell apoptosis in a cisplatin-induced ototoxicity rat model and to also determine the possible relationship between ER stress and hearing loss. Our results revealed that treatment with cisplatin upregulated the expression of active caspase-12 in cochlear cells, which is indicative of cisplatin-induced activation of ER-specific apoptosis. Increased expression of C/EBP homologous protein (CHOP) and cleaved caspase-9 suggested a close relationship between severe ER stress and mitochondria-dependent apoptosis in the cochlear cells of cisplatin-treated rats. In addition, we found that tauroursodeoxycholic acid (TUDCA), a promoter of ER proteostasis, had a protective effect on cisplatin-induced hearing loss. These results demonstrate that ER stress is involved in the cisplatin-induced apoptosis of cochlear cells in vivo.
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Affiliation(s)
- Shimin Zong
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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36
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Basourakos SP, Li L, Aparicio AM, Corn PG, Kim J, Thompson TC. Combination Platinum-based and DNA Damage Response-targeting Cancer Therapy: Evolution and Future Directions. Curr Med Chem 2017; 24:1586-1606. [PMID: 27978798 PMCID: PMC5471128 DOI: 10.2174/0929867323666161214114948] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 11/04/2016] [Accepted: 11/09/2016] [Indexed: 02/07/2023]
Abstract
Maintenance of genomic stability is a critical determinant of cell survival and is necessary for growth and progression of malignant cells. Interstrand crosslinking (ICL) agents, including platinum-based agents, are first-line chemotherapy treatment for many solid human cancers. In malignant cells, ICL triggers the DNA damage response (DDR). When the damage burden is high and lesions cannot be repaired, malignant cells are unable to divide and ultimately undergo cell death either through mitotic catastrophe or apoptosis. The activities of ICL agents, in particular platinum-based therapies, establish a "molecular landscape," i.e., a pattern of DNA damage that can potentially be further exploited therapeutically with DDR-targeting agents. If the molecular landscape created by platinum-based agents could be better defined at the molecular level, a systematic, mechanistic rationale(s) could be developed for the use of DDR-targeting therapies in combination/maintenance protocols for specific, clinically advanced malignancies. New therapeutic drugs such as poly(ADP-ribose) polymerase (PARP) inhibitors are examples of DDR-targeting therapies that could potentially increase the DNA damage and replication stress imposed by platinum-based agents in tumor cells and provide therapeutic benefit for patients with advanced malignancies. Recent studies have shown that the use of PARP inhibitors together with platinum-based agents is a promising therapy strategy for ovarian cancer patients with "BRCAness", i.e., a phenotypic characteristic of tumors that not only can involve loss-of-function mutations in either BRCA1 or BRCA2, but also encompasses the molecular features of BRCA-mutant tumors. On the basis of these promising results, additional mechanism-based studies focused on the use of various DDR-targeting therapies in combination with platinum-based agents should be considered. This review discusses, in general, (1) ICL agents, primarily platinum-based agents, that establish a molecular landscape that can be further exploited therapeutically; (2) multiple points of potential intervention after ICL agent-induced crosslinking that further predispose to cell death and can be incorporated into a systematic, therapeutic rationale for combination/ maintenance therapy using DDR-targeting agents; and (3) available agents that can be considered for use in combination/maintenance clinical protocols with platinum-based agents for patients with advanced malignancies.
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Affiliation(s)
- Spyridon P. Basourakos
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Likun Li
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Ana M. Aparicio
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Paul G. Corn
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Jeri Kim
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Timothy C. Thompson
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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37
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Zanotto-Filho A, Masamsetti VP, Loranc E, Tonapi SS, Gorthi A, Bernard X, Gonçalves RM, Moreira JCF, Chen Y, Bishop AJR. Alkylating Agent-Induced NRF2 Blocks Endoplasmic Reticulum Stress-Mediated Apoptosis via Control of Glutathione Pools and Protein Thiol Homeostasis. Mol Cancer Ther 2016; 15:3000-3014. [PMID: 27638861 DOI: 10.1158/1535-7163.mct-16-0271] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 08/17/2016] [Accepted: 08/25/2016] [Indexed: 11/16/2022]
Abstract
Alkylating agents are a commonly used cytotoxic class of anticancer drugs. Understanding the mechanisms whereby cells respond to these drugs is key to identify means to improve therapy while reducing toxicity. By integrating genome-wide gene expression profiling, protein analysis, and functional cell validation, we herein demonstrated a direct relationship between NRF2 and Endoplasmic Reticulum (ER) stress pathways in response to alkylating agents, which is coordinated by the availability of glutathione (GSH) pools. GSH is essential for both drug detoxification and protein thiol homeostasis within the ER, thus inhibiting ER stress induction and promoting survival, an effect independent of its antioxidant role. NRF2 accumulation induced by alkylating agents resulted in increased GSH synthesis via GCLC/GCLM enzyme, and interfering with this NRF2 response by either NRF2 knockdown or GCLC/GCLM inhibition with buthionine sulfoximine caused accumulation of damaged proteins within the ER, leading to PERK-dependent apoptosis. Conversely, upregulation of NRF2, through KEAP1 depletion or NRF2-myc overexpression, or increasing GSH levels with N-acetylcysteine or glutathione-ethyl-ester, decreased ER stress and abrogated alkylating agents-induced cell death. Based on these results, we identified a subset of lung and head-and-neck carcinomas with mutations in either KEAP1 or NRF2/NFE2L2 genes that correlate with NRF2 target overexpression and poor survival. In KEAP1-mutant cancer cells, NRF2 knockdown and GSH depletion increased cell sensitivity via ER stress induction in a mechanism specific to alkylating drugs. Overall, we show that the NRF2-GSH influence on ER homeostasis implicates defects in NRF2-GSH or ER stress machineries as affecting alkylating therapy toxicity. Mol Cancer Ther; 15(12); 3000-14. ©2016 AACR.
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Affiliation(s)
- Alfeu Zanotto-Filho
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas.,Departamento de Farmacologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil.,Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - V Pragathi Masamsetti
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas.,Children's Medical Research Institute, Westmead, New South Wales, Australia
| | - Eva Loranc
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Sonal S Tonapi
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas.,Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Aparna Gorthi
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas.,Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Xavier Bernard
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Rosângela Mayer Gonçalves
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - José C F Moreira
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Yidong Chen
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas.,Department of Epidemiology and Biostatistics, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Alexander J R Bishop
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas. .,Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, Texas
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38
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Chu YH, Sibrian-Vazquez M, Escobedo JO, Phillips AR, Dickey DT, Wang Q, Ralle M, Steyger PS, Strongin RM. Systemic Delivery and Biodistribution of Cisplatin in Vivo. Mol Pharm 2016; 13:2677-82. [PMID: 27299507 DOI: 10.1021/acs.molpharmaceut.6b00240] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Cisplatin is widely used to treat a variety of cancers. However, ototoxicity and nephrotoxicity remain serious side effects of cisplatin-based chemotherapy. In order to inform the study of cisplatin's off-target effects, a new drug-fluorophore conjugate was synthesized that exhibited utility as a tracer to determine the cellular uptake and in vivo distribution of cisplatin. This probe will serve as a useful tool to facilitate investigations into the kinetics and biodistribution of cisplatin and its associated side effects in preclinical models after systemic administration.
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Affiliation(s)
- Yu-Hsuan Chu
- Department of Chemistry, Portland State University , Portland, Oregon 97201, United States
| | - Martha Sibrian-Vazquez
- Department of Chemistry, Portland State University , Portland, Oregon 97201, United States
| | - Jorge O Escobedo
- Department of Chemistry, Portland State University , Portland, Oregon 97201, United States
| | | | | | | | | | | | - Robert M Strongin
- Department of Chemistry, Portland State University , Portland, Oregon 97201, United States
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39
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Herrera-Pérez Z, Gretz N, Dweep H. A Comprehensive Review on the Genetic Regulation of Cisplatin-induced Nephrotoxicity. Curr Genomics 2016; 17:279-93. [PMID: 27252593 PMCID: PMC4869013 DOI: 10.2174/1389202917666160202220555] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Revised: 09/10/2015] [Accepted: 09/28/2015] [Indexed: 12/16/2022] Open
Abstract
Cisplatin (CDDP) is a well-known antineoplastic drug which has been extensively utilized over the last decades in the treatment of numerous kinds of tumors. However, CDDP induces a wide range of toxicities in a dose-dependent manner, among which nephrotoxicity is of particular importance. Still, the mechanism of CDDP-induced renal damage is not completely understood; moreover, the knowledge about the role of microRNAs (miRNAs) in the nephrotoxic response is still unknown. miRNAs are known to interact with the representative members of a diverse range of regulatory pathways (including postnatal development, proliferation, inflammation and fibrosis) and pathological conditions, including kidney diseases: polycystic kidney diseases (PKDs), diabetic nephropathy (DN), kidney cancer, and drug-induced kidney injury. In this review, we shed light on the following important aspects: (i) information on genes/proteins and their interactions with previously known pathways engaged with CDDP-induced nephrotoxicity, (ii) information on newly discovered biomarkers, especially, miRNAs for detecting CDDP-induced nephrotoxicity and (iii) information to improve our understanding on CDDP. This information will not only help the researchers belonging to nephrotoxicity field, but also supply an indisputable help for oncologists to better understand and manage the side effects induced by CDDP during cancer treatment. Moreover, we provide up-to-date information about different in vivo and in vitro models that have been utilized over the last decades to study CDDP-induced renal injury. Taken together, this review offers a comprehensive network on genes, miRNAs, pathways and animal models which will serve as a useful resource to understand the molecular mechanism of CDDP-induced nephrotoxicity.
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Affiliation(s)
- Zeneida Herrera-Pérez
- Medical Research Center, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Norbert Gretz
- Medical Research Center, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Harsh Dweep
- Medical Research Center, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
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40
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41
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Ferraro G, Messori L, Merlino A. The X-ray structure of the primary adducts formed in the reaction between cisplatin and cytochrome c. Chem Commun (Camb) 2015; 51:2559-61. [PMID: 25567806 DOI: 10.1039/c4cc09056j] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the present study, the interactions between cisplatin and cytochrome c are investigated. Based on high-resolution X-ray diffraction data, two monometalated species, i.e. cyt c-Pt(NH3)2 and cyt c-Pt(NH3)2Cl, are found to be the main adducts that form in the reaction between the protein and the drug. Both monodentate and bidentate platinum coordination to the protein is observed, with platinum binding either to Met65 or to Met65 and Glu61, simultaneously.
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Affiliation(s)
- Giarita Ferraro
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cintia, I-80126, Napoli, Italy.
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42
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Karasawa T, Steyger PS. An integrated view of cisplatin-induced nephrotoxicity and ototoxicity. Toxicol Lett 2015; 237:219-27. [PMID: 26101797 DOI: 10.1016/j.toxlet.2015.06.012] [Citation(s) in RCA: 324] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 06/06/2015] [Accepted: 06/14/2015] [Indexed: 12/20/2022]
Abstract
Cisplatin is one of the most widely-used drugs to treat cancers. However, its nephrotoxic and ototoxic side-effects remain major clinical limitations. Recent studies have improved our understanding of the molecular mechanisms of cisplatin-induced nephrotoxicity and ototoxicity. While cisplatin binding to DNA is the major cytotoxic mechanism in proliferating (cancer) cells, nephrotoxicity and ototoxicity appear to result from toxic levels of reactive oxygen species and protein dysregulation within various cellular compartments. In this review, we discuss molecular mechanisms of cisplatin-induced nephrotoxicity and ototoxicity. We also discuss potential clinical strategies to prevent nephrotoxicity and ototoxicity and their current limitations.
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Affiliation(s)
- Takatoshi Karasawa
- Oregon Hearing Research Center, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, United States
| | - Peter S Steyger
- Oregon Hearing Research Center, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, United States.
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43
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Sodium-glucose transporter-2 (SGLT2; SLC5A2) enhances cellular uptake of aminoglycosides. PLoS One 2014; 9:e108941. [PMID: 25268124 PMCID: PMC4182564 DOI: 10.1371/journal.pone.0108941] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Accepted: 08/26/2014] [Indexed: 12/20/2022] Open
Abstract
Aminoglycoside antibiotics, like gentamicin, continue to be clinically essential worldwide to treat life-threatening bacterial infections. Yet, the ototoxic and nephrotoxic side-effects of these drugs remain serious complications. A major site of gentamicin uptake and toxicity resides within kidney proximal tubules that also heavily express electrogenic sodium-glucose transporter-2 (SGLT2; SLC5A2) in vivo. We hypothesized that SGLT2 traffics gentamicin, and promotes cellular toxicity. We confirmed in vitro expression of SGLT2 in proximal tubule-derived KPT2 cells, and absence in distal tubule-derived KDT3 cells. D-glucose competitively decreased the uptake of 2-(N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)amino)-2-deoxyglucose (2-NBDG), a fluorescent analog of glucose, and fluorescently-tagged gentamicin (GTTR) by KPT2 cells. Phlorizin, an SGLT2 antagonist, strongly inhibited uptake of 2-NBDG and GTTR by KPT2 cells in a dose- and time-dependent manner. GTTR uptake was elevated in KDT3 cells transfected with SGLT2 (compared to controls); and this enhanced uptake was attenuated by phlorizin. Knock-down of SGLT2 expression by siRNA reduced gentamicin-induced cytotoxicity. In vivo, SGLT2 was robustly expressed in kidney proximal tubule cells of heterozygous, but not null, mice. Phlorizin decreased GTTR uptake by kidney proximal tubule cells in Sglt2+/− mice, but not in Sglt2−/− mice. However, serum GTTR levels were elevated in Sglt2−/− mice compared to Sglt2+/− mice, and in phlorizin-treated Sglt2+/− mice compared to vehicle-treated Sglt2+/− mice. Loss of SGLT2 function by antagonism or by gene deletion did not affect gentamicin cochlear loading or auditory function. Phlorizin did not protect wild-type mice from kanamycin-induced ototoxicity. We conclude that SGLT2 can traffic gentamicin and contribute to gentamicin-induced cytotoxicity.
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Galluzzi L, Vitale I, Michels J, Brenner C, Szabadkai G, Harel-Bellan A, Castedo M, Kroemer G. Systems biology of cisplatin resistance: past, present and future. Cell Death Dis 2014; 5:e1257. [PMID: 24874729 PMCID: PMC4047912 DOI: 10.1038/cddis.2013.428] [Citation(s) in RCA: 544] [Impact Index Per Article: 54.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Revised: 09/23/2013] [Accepted: 09/26/2013] [Indexed: 12/16/2022]
Abstract
The platinum derivative cis-diamminedichloroplatinum(II), best known as cisplatin, is currently employed for the clinical management of patients affected by testicular, ovarian, head and neck, colorectal, bladder and lung cancers. For a long time, the antineoplastic effects of cisplatin have been fully ascribed to its ability to generate unrepairable DNA lesions, hence inducing either a permanent proliferative arrest known as cellular senescence or the mitochondrial pathway of apoptosis. Accumulating evidence now suggests that the cytostatic and cytotoxic activity of cisplatin involves both a nuclear and a cytoplasmic component. Despite the unresolved issues regarding its mechanism of action, the administration of cisplatin is generally associated with high rates of clinical responses. However, in the vast majority of cases, malignant cells exposed to cisplatin activate a multipronged adaptive response that renders them less susceptible to the antiproliferative and cytotoxic effects of the drug, and eventually resume proliferation. Thus, a large fraction of cisplatin-treated patients is destined to experience therapeutic failure and tumor recurrence. Throughout the last four decades great efforts have been devoted to the characterization of the molecular mechanisms whereby neoplastic cells progressively lose their sensitivity to cisplatin. The advent of high-content and high-throughput screening technologies has accelerated the discovery of cell-intrinsic and cell-extrinsic pathways that may be targeted to prevent or reverse cisplatin resistance in cancer patients. Still, the multifactorial and redundant nature of this phenomenon poses a significant barrier against the identification of effective chemosensitization strategies. Here, we discuss recent systems biology studies aimed at deconvoluting the complex circuitries that underpin cisplatin resistance, and how their findings might drive the development of rational approaches to tackle this clinically relevant problem.
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Affiliation(s)
- L Galluzzi
- 1] Gustave Roussy, Villejuif, France [2] Université Paris Descartes/Paris V, Sorbonne Paris Cité, Paris, France [3] Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
| | - I Vitale
- 1] Regina Elena National Cancer Institute, Rome, Italy [2] National Institute of Health, Rome, Italy
| | - J Michels
- 1] Gustave Roussy, Villejuif, France [2] Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France [3] INSERM, U848, Villejuif, France
| | - C Brenner
- 1] INSERM, UMRS 769; LabEx LERMIT, Châtenay Malabry, France [2] Faculté de Pharmacie, Université de Paris Sud/Paris XI, Châtenay Malabry, France
| | - G Szabadkai
- 1] Department of Cell and Developmental Biology, Consortium for Mitochondrial Research, University College London, London, UK [2] Department of Biomedical Sciences, Università Degli Studi di Padova, Padova, Italy
| | - A Harel-Bellan
- 1] Laboratoire Epigenetique et Cancer, Université de Paris Sud/Paris XI, Gif-Sur-Yvette, France [2] CNRS, FRE3377, Gif-Sur-Yvette, France [3] Commissariat à l'Energie Atomique (CEA), Saclay, France
| | - M Castedo
- 1] Gustave Roussy, Villejuif, France [2] Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France [3] INSERM, U848, Villejuif, France
| | - G Kroemer
- 1] Université Paris Descartes/Paris V, Sorbonne Paris Cité, Paris, France [2] Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France [3] INSERM, U848, Villejuif, France [4] Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP, Paris, France [5] Metabolomics and Cell Biology Platforms, Gustave Roussy, Villejuif, France
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Abstract
Platinum-complexes represent some of the most successful groups of clinically used anticancer drugs. Their mechanism of action relies on the formation of stable DNA adducts occurring at the nitrogen in position 7 of guanine (N7) and involving one or two spatially close residues. The formation of stable DNA adducts is recognized as a DNA damaging event and, ultimately, drives cells to death. Nevertheless, nucleobases are not the only reliable targets of these drugs and other biomolecules can be involved. Among them large interest has been devoted to proteins since they contain several potential reactive sites for platinum (His, Met, and Cys) and, in particular, because the reaction of the metal with sulfur containing groups is a kinetically favored process. As a result, the occurrence of protein adducts and DNA-protein cross-links must be further taken into account in order to fully define cisplatin mechanism of action. Herein, we will summarize the most recent experimental evidence collected so far on protein-cisplatin adduct formation to better dissect its correlation with the drug pharmacological profile. Indeed, in addition to modulation of drug bioavailability and toxicity, the potential role of proteins as reaction intermediates or reservoir systems in platinum drugs can be envisaged. Additionally, the effects of Pt-coordinating groups on the chemical reactivity of the metal complexes will be reviewed. From all these outcomes a general model for Pt-based drugs mechanism of action can be drawn which is more articulate than the one currently supported. It claims proteins as reactive intermediates for DNA platination and it defines them as relevant to fully describe the clinical potential of this class of anticancer drugs.
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Affiliation(s)
- O Pinato
- Department of Pharmaceutical and Pharmacological Science, v. Marzolo 5, 35131 Padova, Italy.
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