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Vaidyanathan S, Weerakoon-Ratnayake KM, Uba FI, Hu B, Kaufman D, Choi J, Park S, Soper SA. Thermoplastic nanofluidic devices for identifying abasic sites in single DNA molecules. LAB ON A CHIP 2021; 21:1579-1589. [PMID: 33651049 PMCID: PMC8293902 DOI: 10.1039/d0lc01038c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
DNA damage can take many forms such as double-strand breaks and/or the formation of abasic (apurinic/apyrimidinic; AP) sites. The presence of AP sites can be used to determine therapeutic efficacy of many drugs, such as doxorubicin. While there are different assays to search for DNA damage, they are fraught with limitations, such as the need for large amounts of DNA secured from millions of cells. This is challenging due to the growing importance of using liquid biopsies as a source of biomarkers for many in vitro diagnostic assays. To accommodate the mass limits imposed by the use of liquid biopsies, we report a single-molecule DNA damage assay that uses plastic nanofluidic chips to stretch DNA to near its full contour length when the channel dimensions (width and depth) are near the persistence length (∼50 nm) of double-stranded (ds) DNA. The nanofluidic chip consisted of input funnels for high loading efficiency of single DNA molecules, entropic traps to store the DNA and simultaneously load a series of nanochannels for high throughput processing, and an array of stretching nanochannels to read the AP sites. Single dsDNA molecules, which were labeled with an intercalating dye and a biotinylated aldehyde reactive probe (bARP), could be parked in the stretching nanochannels, where the AP sites were read directly using a dual-color fluorescence microscope equipped with an EMCCD camera. One color of the microscope was used to read the DNA length and the second color detected the AP sites. The nanofluidic chip was made from thermoplastics via nanoimprint lithography, which obviated the need for direct writing the devices in glass or quartz using focused ion beam milling. We show that we can read the frequency of AP sites in single dsDNA molecules with the frequency of AP sites determined by associating fluorescently-labeled streptavidin with bARP through a biotin/streptavidin complex.
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Affiliation(s)
- Swarnagowri Vaidyanathan
- Bioengineering Program, The University of Kansas, Lawrence, KS 66045, USA and Center of BioModular Multiscale Systems for Precision Medicine, Lawrence, KS 66047, USA
| | - Kumuditha M Weerakoon-Ratnayake
- Center of BioModular Multiscale Systems for Precision Medicine, Lawrence, KS 66047, USA and Department of Chemistry, The University of Kansas, Lawrence, KS 66045, USA
| | - Franklin I Uba
- Department of Chemistry, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Bo Hu
- Department of Biomedical Engineering, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - David Kaufman
- Center of BioModular Multiscale Systems for Precision Medicine, Lawrence, KS 66047, USA and Department of Pathology and Laboratory Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Junseo Choi
- Center of BioModular Multiscale Systems for Precision Medicine, Lawrence, KS 66047, USA and Mechanical & Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Sunggook Park
- Center of BioModular Multiscale Systems for Precision Medicine, Lawrence, KS 66047, USA and Mechanical & Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Steven A Soper
- Bioengineering Program, The University of Kansas, Lawrence, KS 66045, USA and Center of BioModular Multiscale Systems for Precision Medicine, Lawrence, KS 66047, USA and Department of Chemistry, The University of Kansas, Lawrence, KS 66045, USA and Department of Cancer Biology and KU Cancer Center, The University of Kansas Medical Center, Kansas City, KS 66106, USA. and Department of Mechanical Engineering, The University of Kansas, Lawrence, KS 66045, USA
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Liu Z, Zhu H, He C, He T, Pan S, Zhao N, Zhu L, Guan G, Liu P, Zhang Y, Wang J. Nicorandil attenuates high glucose-induced insulin resistance by suppressing oxidative stress-mediated ER stress PERK signaling pathway. BMJ Open Diabetes Res Care 2021; 9:9/1/e001884. [PMID: 33888540 PMCID: PMC8070885 DOI: 10.1136/bmjdrc-2020-001884] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 03/03/2021] [Accepted: 03/28/2021] [Indexed: 12/31/2022] Open
Abstract
INTRODUCTION Glucose-induced insulin resistance is a typical character of diabetes. Nicorandil is now widely used in ischemic heart disease. Nicorandil shows protective effects against oxidative and endoplasmic reticulum (ER) stress, which are involved in insulin resistance. Here, we investigated mechanisms of nicorandil's novel pharmacological activity on insulin resistance in diabetes. RESEARCH DESIGN AND METHODS Nicorandil was administrated to streptozotocin-induced animals with diabetes and high glucose exposed skeletal muscle cells. Insulin resistance and glucose tolerance were evaluated. Molecular mechanisms concerning oxidative stress, ER stress signaling activation and glucose uptake were assessed. RESULTS Nicorandil attenuated high glucose-induced insulin resistance without affecting fasting blood glucose and glucose tolerance in whole body and skeletal muscle in rats with diabetes. Nicorandil treatment suppressed protein kinase C/nicotinamide adenine dinucleotide phosphate oxidases system activities by reducing cytoplasmic free calcium level in skeletal muscle cells exposed to high glucose. As a result, the oxidative stress-mediated ER stress protein kinase RNA-like endoplasmic reticulum kinase (PERK)/eukaryotic initiation factor 2α/activating transcription factor 4/CEBP homologous protein/tribbles homolog (TRB)3 signaling pathway activation was inhibited. Nicorandil downregulated expression of TRB3 and thus facilitated Akt phosphorylation in response to insulin stimulation, leading to glucose transporter4 plasma membrane translocation which promoted glucose uptake capability of skeletal muscle cells. CONCLUSIONS By reducing cytoplasmic calcium, nicorandil alleviated high glucose-induced insulin resistance by inhibiting oxidative stress-mediated ER stress PERK pathway.
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Affiliation(s)
- Zhongwei Liu
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, China
| | - Haitao Zhu
- Department of Pediatrics, Northwest Women's and Children's Hospital, Xi'an, China
| | - Chunhui He
- Department of Cardiology, Fuwai Hospital State Key Laboratory of Cardiovascular Disease, Beijing, China
| | - Ting He
- Department of Cardiology, Fuwai Hospital State Key Laboratory of Cardiovascular Disease, Beijing, China
| | - Shuo Pan
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, China
| | - Na Zhao
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, China
| | - Ling Zhu
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, China
| | - Gongchang Guan
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, China
| | - Peng Liu
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, China
| | - Yong Zhang
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, China
| | - Junkui Wang
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, China
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Elblehi SS, El-Sayed YS, Soliman MM, Shukry M. Date Palm Pollen Extract Avert Doxorubicin-Induced Cardiomyopathy Fibrosis and Associated Oxidative/Nitrosative Stress, Inflammatory Cascade, and Apoptosis-Targeting Bax/Bcl-2 and Caspase-3 Signaling Pathways. Animals (Basel) 2021; 11:ani11030886. [PMID: 33804672 PMCID: PMC8003775 DOI: 10.3390/ani11030886] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/14/2021] [Accepted: 03/17/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary The use of date palm pollen ethanolic extract (DPPE) is a conventional approach in improving the side-effects induced by Doxorubicin (DOX).DPPE mitigated DOX-induced body and heart weight changes and ameliorated DOX-induced elevated cardiac injury markers. In addition, serum cardiac troponin I concentrations (cTnI), troponin T (cTnT), and N-terminal NBP and cytosolic (Ca+2) were amplified by alleviating the inflammatory and oxidative injury markers and decreasing histopathological lesions severity. DPPE decreased DOX-induced heart injuries by mitigating inflammation, fibrosis, and apoptosis through its antioxidant effect. To reduce DOX-induced oxidative stress injuries and other detrimental effects, a combined treatment of DPPE is advocated. Abstract Doxorubicin (DOX) has a potent antineoplastic efficacy and is considered a cornerstone of chemotherapy. However, it causes several dose-dependent cardiotoxic results, which has substantially restricted its clinical application. This study was intended to explore the potential ameliorative effect of date palm pollen ethanolic extract (DPPE) against DOX-induced cardiotoxicity and the mechanisms underlying it. Forty male Wistar albino rats were equally allocated into Control (CTR), DPPE (500 mg/kg bw for 4 weeks), DOX (2.5 mg/kg bw, intraperitoneally six times over 2 weeks), and DPPE + DOX-treated groups. Pre-coadministration of DPPE with DOX partially ameliorated DOX-induced cardiotoxicity as DPPE improved DOX-induced body and heart weight changes and mitigated the elevated cardiac injury markers activities of serum aminotransferases, lactate dehydrogenase, creatine kinase, and creatine kinase-cardiac type isoenzyme. Additionally, the concentration of serum cardiac troponin I (cTnI), troponin T (cTnT), N-terminal pro-brain natriuretic peptide (NT-pro BNP), and cytosolic calcium (Ca+2) were amplified. DPPE also alleviated nitrosative status (nitric oxide) in DOX-treated animals, lipid peroxidation and antioxidant molecules as glutathione content, and glutathione peroxidase, catalase, and superoxide dismutase activities and inflammatory markers levels; NF-κB p65, TNF-α, IL-1β, and IL-6. As well, it ameliorated the severity of histopathological lesions, histomorphometric alteration and improved the immune-staining of the pro-fibrotic (TGF-β1), pro-apoptotic (caspase-3 and Bax), and anti-apoptotic (Bcl-2) proteins in cardiac tissues. Collectively, pre-coadministration of DPPE partially mitigated DOX-induced cardiac injuries via its antioxidant, anti-inflammatory, anti-fibrotic, and anti-apoptotic potential.
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Affiliation(s)
- Samar S. Elblehi
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Edfina 22758, Egypt
- Correspondence: (S.S.E.); (M.S.)
| | - Yasser S. El-Sayed
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, Egypt;
| | - Mohamed Mohamed Soliman
- Clinical Laboratory Sciences Department, Turabah University College, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Mustafa Shukry
- Department of Physiology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
- Correspondence: (S.S.E.); (M.S.)
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Mishra R, Yuan L, Patel H, Karve AS, Zhu H, White A, Alanazi S, Desai P, Merino EJ, Garrett JT. Phosphoinositide 3-Kinase (PI3K) Reactive Oxygen Species (ROS)-Activated Prodrug in Combination with Anthracycline Impairs PI3K Signaling, Increases DNA Damage Response and Reduces Breast Cancer Cell Growth. Int J Mol Sci 2021; 22:2088. [PMID: 33669867 PMCID: PMC7923228 DOI: 10.3390/ijms22042088] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/12/2021] [Accepted: 02/15/2021] [Indexed: 12/16/2022] Open
Abstract
RIDR-PI-103 is a novel reactive oxygen species (ROS)-induced drug release prodrug with a self-cyclizing moiety linked to a pan-PI3K inhibitor (PI-103). Under high ROS, PI-103 is released in a controlled manner to inhibit PI3K. The efficacy and bioavailability of RIDR-PI-103 in breast cancer remains unexplored. Cell viability of RIDR-PI-103 was assessed on breast cancer cells (MDA-MB-231, MDA-MB-361 and MDA-MB-453), non-tumorigenic MCF10A and fibroblasts. Matrigel colony formation, cell proliferation and migration assays examined the migratory properties of breast cancers upon treatment with RIDR-PI-103 and doxorubicin. Western blots determined the effect of doxorubicin ± RIDR-PI-103 on AKT activation and DNA damage response. Pharmacokinetic (PK) studies using C57BL/6J mice determined systemic exposure (plasma concentrations and overall area under the curve) and T1/2 of RIDR-PI-103. MDA-MB-453, MDA-MB-231 and MDA-MB-361 cells were sensitive to RIDR-PI-103 vs. MCF10A and normal fibroblast. Combination of doxorubicin and RIDR-PI-103 suppressed cancer cell growth and proliferation. Doxorubicin with RIDR-PI-103 inhibited p-AktS473, upregulated p-CHK1/2 and p-P53. PK studies showed that ~200 ng/mL (0.43 µM) RIDR-PI-103 is achievable in mice plasma with an initial dose of 20 mg/kg and a 10 h T1/2. (4) The prodrug RIDR-PI-103 could be a potential therapeutic for treatment of breast cancer patients.
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Affiliation(s)
- Rosalin Mishra
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (R.M.); (L.Y.); (H.P.); (A.S.K.); (A.W.); (S.A.); (P.D.)
| | - Long Yuan
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (R.M.); (L.Y.); (H.P.); (A.S.K.); (A.W.); (S.A.); (P.D.)
| | - Hima Patel
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (R.M.); (L.Y.); (H.P.); (A.S.K.); (A.W.); (S.A.); (P.D.)
| | - Aniruddha S. Karve
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (R.M.); (L.Y.); (H.P.); (A.S.K.); (A.W.); (S.A.); (P.D.)
| | - Haizhou Zhu
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (H.Z.); (E.J.M.)
| | - Aaron White
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (R.M.); (L.Y.); (H.P.); (A.S.K.); (A.W.); (S.A.); (P.D.)
| | - Samar Alanazi
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (R.M.); (L.Y.); (H.P.); (A.S.K.); (A.W.); (S.A.); (P.D.)
| | - Pankaj Desai
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (R.M.); (L.Y.); (H.P.); (A.S.K.); (A.W.); (S.A.); (P.D.)
| | - Edward J. Merino
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (H.Z.); (E.J.M.)
| | - Joan T. Garrett
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (R.M.); (L.Y.); (H.P.); (A.S.K.); (A.W.); (S.A.); (P.D.)
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Wang Z, Xu Y, Wu G, Zuo T, Zhang J, Yang J, Yang Y, Fang T, Shen Q. Dual-Responsive and Deep-Penetrating Nanomicelles for Tumor Therapy via Extracellular Matrix Degradation and Oxidative Stress. ACS Biomater Sci Eng 2021; 7:166-179. [PMID: 33372514 DOI: 10.1021/acsbiomaterials.0c01394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Tumor microenvironment (TME), with complex composition, plays a vital role in the occurrence, development, and metastasis of tumors. TME becomes an important obstacle to the accessibility of nanotherapy, thus indicating the need to improve the functional design to overcome this challenge. In this study, we generate an intelligent nano-drug-delivery system (DOX@PssP-Hh NPs) with dual environmental response, which involves heparanase (HPSE) in TME and glutathione (GSH) in tumor cells. The nanosystem consists of a nanoskeleton formed by self-assembly of mPEG-ss-PEI and α-CD (PssP), chemotherapy drug doxorubicin (DOX) for enhancing antitumor efficacy, together with hyaluronidase (HAase), which is designed to degrade extracellular matrix to increase drug penetration, and an outer shell of heparin. Through the process of "responsive disintegration-remodeling tumor microenvironment-enhancing drug penetration-inducing oxidative stress", the semi-rotaxaneself-assembled nanomicelles were constructed to achieve the progressive function. DOX@PssP-Hh NPs with the size of 81.85 ± 1.85 nm exhibited satisfactory cytotoxicity (IC50 = 0.80 ± 0.33 μg/mL). With the disulfide bond-mediated GSH depletion and DOX-mediated reactive oxygen species (ROS) production, treatment with DOX@PssP-Hh NPs prominently reduced glutathione peroxidase 4 (GPX4) level and would lead to enhanced oxidative stresses. Hyaluronic acid (HA), collagen I, and α-smooth muscle actin (α-SMA) were significantly reduced for TME remodulation. Moreover, the antitumor effect in vivo implied that DOX@PssP-Hh NPs could inhibit tumor growth effectively and reduce tumor interstitial fluid pressure (IFP) evidently. In conclusion, DOX@PssP-Hh NPs improved the penetration of drugs and exhibited enhanced antitumor efficacy.
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Affiliation(s)
- Zhihua Wang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Yingxin Xu
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Guangyu Wu
- Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 1630 Dongfang Road, Shanghai 200120, China
| | - Tiantian Zuo
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Jun Zhang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Jie Yang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Yifan Yang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Tianxu Fang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Qi Shen
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
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Lungu II, Nistorescu S, Badea MA, Petre AM, Udrea AM, Banici AM, Fleacă C, Andronescu E, Dinischiotu A, Dumitrache F, Staicu A, Balaș M. Doxorubicin-Conjugated Iron Oxide Nanoparticles Synthesized by Laser Pyrolysis: In Vitro Study on Human Breast Cancer Cells. Polymers (Basel) 2020; 12:E2799. [PMID: 33256060 PMCID: PMC7760716 DOI: 10.3390/polym12122799] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/22/2020] [Accepted: 11/24/2020] [Indexed: 12/25/2022] Open
Abstract
Even today, breast cancer remains a global public problem, with a high mortality rate among women. Nanoparticle (NP) based systems are developed to enhance drug delivery, reducing the toxic effect of medicine molecules. By using iron oxide nanoparticles for cancer treatment, several advantages were highlighted: the ability to target specific locations derived from their magnetic properties and reduced side effects. The aim of this study was to examine on breast cancer cell line the anticancer potential of γ-Fe2O3 NPs loaded with doxorubicin (DOX) and stabilized with carboxymethylcellulose sodium (CMCNa). The γ-Fe2O3 NPs were synthesized by laser pyrolysis technique and their nanometric size and crystallinity were confirmed by X-ray diffraction and transmission electron microscopy. The loading efficiency was estimated by using absorption and fluorescence spectroscopy. The DOX conjugated//CMCNa coated γ-Fe2O3 NPs proved through the biological studies to have a good anticancer effect through the inhibition of tumoral cell proliferation, disruption of the cellular membrane, induction of cell death and reduced effects on normal breast cells. Our data showed that DOX cytotoxicity increases significantly when conjugated with ɣ-Fe2O3 and ɣ-Fe2O3_CMCNa, a 50% reduction of cancer cell viability was obtained with a concentration around 0.1 µg/mL.
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Affiliation(s)
- Iulia Ioana Lungu
- National Institute of Laser, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Ilfov, Romania; (I.I.L.); (S.N.); (A.-M.U.); (A.-M.B.); (C.F.)
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania;
| | - Simona Nistorescu
- National Institute of Laser, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Ilfov, Romania; (I.I.L.); (S.N.); (A.-M.U.); (A.-M.B.); (C.F.)
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independentei, 050095 Bucharest, Romania; (M.A.B.); (A.-M.P.); (A.D.)
| | - Mădălina Andreea Badea
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independentei, 050095 Bucharest, Romania; (M.A.B.); (A.-M.P.); (A.D.)
| | - Andreea-Mihaela Petre
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independentei, 050095 Bucharest, Romania; (M.A.B.); (A.-M.P.); (A.D.)
| | - Ana-Maria Udrea
- National Institute of Laser, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Ilfov, Romania; (I.I.L.); (S.N.); (A.-M.U.); (A.-M.B.); (C.F.)
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independentei, 050095 Bucharest, Romania; (M.A.B.); (A.-M.P.); (A.D.)
| | - Ana-Maria Banici
- National Institute of Laser, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Ilfov, Romania; (I.I.L.); (S.N.); (A.-M.U.); (A.-M.B.); (C.F.)
| | - Claudiu Fleacă
- National Institute of Laser, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Ilfov, Romania; (I.I.L.); (S.N.); (A.-M.U.); (A.-M.B.); (C.F.)
| | - Ecaterina Andronescu
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania;
| | - Anca Dinischiotu
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independentei, 050095 Bucharest, Romania; (M.A.B.); (A.-M.P.); (A.D.)
| | - Florian Dumitrache
- National Institute of Laser, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Ilfov, Romania; (I.I.L.); (S.N.); (A.-M.U.); (A.-M.B.); (C.F.)
| | - Angela Staicu
- National Institute of Laser, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Ilfov, Romania; (I.I.L.); (S.N.); (A.-M.U.); (A.-M.B.); (C.F.)
| | - Mihaela Balaș
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independentei, 050095 Bucharest, Romania; (M.A.B.); (A.-M.P.); (A.D.)
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Hałas-Wiśniewska M, Izdebska M, Zielińska W, Grzanka A. The effect of low doses of doxorubicin on the rat glioma C6 cells in the context of the proteins involved in intercellular interactions. Acta Histochem 2020; 122:151625. [PMID: 33066845 DOI: 10.1016/j.acthis.2020.151625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/01/2020] [Accepted: 09/01/2020] [Indexed: 11/24/2022]
Abstract
The aim of this investigation was to determine the effect of doxorubicin on F-actin rearrangement and β-catenin and cofilin-1 in a rat glioma C6 cell line in combination with changes in their morphology and ultrastructure. The experimental material constituted rat glioma C6 cell line. The cells were incubated with sublethal doses of doxorubicin in the concentration of 50, 100 and 200 nM. The blue trypan dye method was used to determine the number of dead cells. Morphological and ultrastructural changes in the cells were evaluated using light and transmission electron microscope, respectively. In order to determine the rearrangements and level of expression of F-actin, β-catenin and cofilin-1 they were analyzed using a fluorecence microscope. In turn, cell death and cell cycle were evaluated by Guava 6HT-2 L Cytometer. The performed experiments showed a dose-dependent decrease in the survival of C6 cells after treatment with doxorubicin. The analysis of cell death showed a dose-dependent increase in the population of apoptotic and necrotic cells. These results were confirmed by microscopy observation. The changes in morphology, ultrastructure, and rearrangements of F-actin, β-catenin and cofilin-1 were also observed. The results obtained in the study showed that sublethal concentrations of doxorubicin influenced the structure of F-actin and other proteins involved in cell-cell interactions. Moreover, mitotic catastrophe may preceding apoptosis, what suggest the cytotoxic effect of low dose of doxorubicin. Furthermore, our results confirmed the multi-dimensional mechanism of DOX action in tumor cells.
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Abo Mansour HE, El-Batsh MM, Badawy NS, Mehanna ET, Mesbah NM, Abo-Elmatty DM. Ginger Extract Loaded into Chitosan Nanoparticles Enhances Cytotoxicity and Reduces Cardiotoxicity of Doxorubicin in Hepatocellular Carcinoma in Mice. Nutr Cancer 2020; 73:2347-2362. [PMID: 32972241 DOI: 10.1080/01635581.2020.1823436] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 07/27/2020] [Accepted: 09/05/2020] [Indexed: 02/08/2023]
Abstract
This study aimed to investigate the impact of ginger extract (GE) loaded into chitosan nanoparticles (CNPs) in enhancing cytotoxicity and reducing cardiotoxicity of doxorubicin (DXN) in hepatocellular carcinoma (HCC) induced mice. DXN and GE were loaded into CNPs and cytotoxicity of loaded and unloaded drugs against HepG2 cells was evaluated. HCC was induced in male albino mice by injection of diethylnitrosamine (DINA). Mice were divided into eight groups (n = 15): (1) normal control, (2) DINA, (3) CNPs, (4) free DXN, (5) CNPs DXN, (6) free GE, (7) CNPs GE, and (8) CNPs DXN + CNPs GE. Both GE and DXN loaded into CNPs showed a greater decline in cell viability of HepG2 cells than the unloaded forms. GE CNPs displayed pronounced anticancer activity In Vivo through apoptosis, greater down-regulation of multidrug resistance 1, enhancement of anti-oxidant activity and depletion of vascular endothelial growth factor content in liver tissues. GE CNPs in combination with DXN CNPs showed nearly normal hepatic lobule architecture and the greatest increase in apoptotic cell count. Co-treatment group had decreased cardiac malondialdehyde, tumor necrosis factor-α and serum activity of creatine kinase and lactate dehydrogenase. Combination of GE CNPs and DXN CNPs might be a potentially effective therapeutic approach for HCC.
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Affiliation(s)
- Hend E Abo Mansour
- Department of Biochemistry, Faculty of Pharmacy, Menoufia University, Shebeen El-Kom, Egypt
| | - Maha M El-Batsh
- Department of Clinical Pharmacology, Faculty of Medicine, Menoufia University, Shebeen El-Kom, Egypt
| | - Nadia S Badawy
- Department of Histology and Cell Biology, Faculty of Medicine, Menoufia University, Shebeen El-Kom, Egypt
| | - Eman T Mehanna
- Department of Biochemistry, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
| | - Noha M Mesbah
- Department of Biochemistry, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
| | - Dina M Abo-Elmatty
- Department of Biochemistry, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
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Anthracycline-Related Heart Failure: Certain Knowledge and Open Questions : Where Do we Stand with Chemotherapyinduced Cardiotoxicity? Curr Heart Fail Rep 2020; 17:357-364. [PMID: 32964378 PMCID: PMC7683464 DOI: 10.1007/s11897-020-00489-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/08/2020] [Indexed: 12/24/2022]
Abstract
In the last decade, cardio-oncology has become a discipline on its own, with tremendous research going on to unravel the mechanisms underpinning different manifestations of cardiotoxicity caused by anticancer drugs. Although this domain is much broader than the effect of chemotherapy alone, a lot of questions about anthracycline-induced cardiotoxicity remain unknown. In this invited review, we provide insights in molecular mechanisms behind anthracycline-induced cardiotoxicity and put it in a clinical framework emphasizing the need for patients to understand, detect, and treat this detrimental condition.
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Novikova N, Kovalchuk M, Konovalov O, Stepina N, Rogachev A, Belov A, Maksimenko O, Tarasov V, Gelperina S, Kreuter J, Yakunin S. X-Ray Reflectivity and Diffraction Studies of Doxorubicin Binding to Model Lipid Membranes. BIONANOSCIENCE 2020. [DOI: 10.1007/s12668-020-00742-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Li H, Xia B, Chen W, Zhang Y, Gao X, Chinnathambi A, Alharbi SA, Zhao Y. Nimbolide prevents myocardial damage by regulating cardiac biomarkers, antioxidant level, and apoptosis signaling against doxorubicin-induced cardiotoxicity in rats. J Biochem Mol Toxicol 2020; 34:e22543. [PMID: 32627270 DOI: 10.1002/jbt.22543] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 05/08/2020] [Accepted: 05/29/2020] [Indexed: 12/31/2022]
Abstract
The current work planned to assess the protecting properties of nimbolide against doxorubicin (DOX)-treated myocardial damage. Myocardial damage was produced with 2.5 mg/kg of DOX given on alternative days (14 days). Thiobarbituric acid reactive substances (TBARS) levels of a lipid peroxidative marker were elevated, whereas reduced body weight, heart weight, blood pressure indices and reduced levels of antioxidants like glutathione-S-transferase, superoxide dismutase, catalase, glutathione peroxidase, glutathione, and glutathione reductase were observed in the heart tissue of DOX-treated animals. DOX-treated animals showed augmented levels of cardiac markers likes monocyte chemotactic protein-1, interferon-gamma, aspartate transferase, creatine kinase, lactate dehydrogenase, creatine kinase-muscle/brain, heart-type fatty acid-binding protein, glycogen phosphorylase isoenzyme BB, transforming growth factor-β, brain natriuretic peptide, myoglobin, and cTnI in serum. Histopathological assessment confirmed the DOX-induced cardiotoxicity. Furthermore, DOX-induced rats showed augmented inflammatory mediators (nuclear factor-κB [NF-kB], tumor necrosis factor-α [TNF-α], and interleukin-1β [IL-1β]) and increased PI3K/Akt signaling proteins (PI3K, p-Bad/Bad, caspase-3, and p-Akt), whereas decreased oxidative markers (HO-1 and NQO-1) and p-PTEN were observed. Nimbolide-supplemented rats showed reduced activity/levels of cardiac markers and TBARS levels in serum and heart tissue. Levels of enzymatic and nonenzymatic antioxidants were augmented in the heart tissue of nimbolide-supplemented rats. Nimbolide influence decreased apoptosis, inflammation, and enhanced antioxidant markers through the modulation of p-Bad/Bad, caspase-3, PI3K, p-Akt, TNF-α, NF-kB, IL-1β, HO-1, NQO-1, and p-PTEN markers. The histopathological explanations were observed to be in line with biochemical analysis. Therefore, the finding of current work was that nimbolide has a defensive effect on the myocardium against DOX-induced cardiac tissue damage.
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Affiliation(s)
- Haining Li
- Department of Critical Care Medicine, Shenyang Tenth People's Hospital, Shenyang, Liaoning, China
| | - Bihua Xia
- Internal Medicine-Cardiovascular Department, The Second Affiliated Hospital of GuiZhou Medical University, Kaili, GuiZhou, China
| | - Wei Chen
- Department of Critical Care Medicine, Shenyang Tenth People's Hospital, Shenyang, Liaoning, China
| | - Yumeng Zhang
- Department of Critical Care Medicine, Shenyang Tenth People's Hospital, Shenyang, Liaoning, China
| | - Xia Gao
- Ultrasonic Room, Shenyang Tenth People's Hospital, Shenyang, Liaoning, China
| | - Arunachalam Chinnathambi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sulaiman A Alharbi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Yujie Zhao
- ICU, Affiliated Hospital of Weifang Medical University, Weifang, Shandong, China
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Doxorubicin metabolism moderately attributes to putative toxicity in prodigiosin/doxorubicin synergism in vitro cells. Mol Cell Biochem 2020; 475:119-126. [PMID: 32754875 PMCID: PMC7599147 DOI: 10.1007/s11010-020-03864-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 07/28/2020] [Indexed: 02/05/2023]
Abstract
Doxorubicin (Dox) is a widely neoplasm chemotherapeutic drug with high incidences of cardiotoxicity. Prodigiosin (PG), a red bacterial pigment from Serratia marcescens, has been demonstrated to potentiate Dox’s cytotoxicity against oral squamous cell carcinoma cells through elevating Dox influx and identified as a Dox enhancer via PG-induced autophagy; however, toxicity of normal cell remains unclear. This study is conducted to evaluate putative cytotoxicity features of PG/Dox synergism in the liver, kidney, and heart cells and further elucidate whether PG augmented Dox’s effect via modulating Dox metabolism in normal cells. Murine hepatocytes FL83B, cardio-myoblast h9c2, and human kidney epithelial cells HK-2 were sequentially treated with PG and Dox by measuring cell viability, cell death characteristics, oxidative stress, Dox flux, and Dox metabolism. PG could slightly significant increase Dox cytotoxicity in all tested normal cells whose toxic alteration was less than that of oral squamous carcinoma cells. The augmentation of Dox cytotoxicity might be attributed to the increase of Dox-mediated ROS accumulation that might cause slight reduction of Dox influx and reduction of Dox metabolism. It was noteworthy to notice that sustained cytotoxicity appeared in normal cells after PG and Dox were removed. Taken together, moderately metabolic reduction of Dox might be ascribed to the mechanism of increase Dox cytotoxicity in PG-induced normal cells; nevertheless, the determination of PG/Dox dose with sustained cytotoxicity in normal cells needs to be comprehensively considered.
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Alhuthali HM, Bradshaw TD, Lim KH, Kam TS, Seedhouse CH. The natural alkaloid Jerantinine B has activity in acute myeloid leukemia cells through a mechanism involving c-Jun. BMC Cancer 2020; 20:629. [PMID: 32635894 PMCID: PMC7341637 DOI: 10.1186/s12885-020-07119-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 06/26/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Acute myeloid leukemia (AML) is a heterogenous hematological malignancy with poor long-term survival. New drugs which improve the outcome of AML patients are urgently required. In this work, the activity and mechanism of action of the cytotoxic indole alkaloid Jerantinine B (JB), was examined in AML cells. METHODS We used a combination of proliferation and apoptosis assays to assess the effect of JB on AML cell lines and patient samples, with BH3 profiling being performed to identify early effects of the drug (4 h). Phosphokinase arrays were adopted to identify potential driver proteins in the cellular response to JB, the results of which were confirmed and extended using western blotting and inhibitor assays and measuring levels of reactive oxygen species. RESULTS AML cell growth was significantly impaired following JB exposure in a dose-dependent manner; potent colony inhibition of primary patient cells was also observed. An apoptotic mode of death was demonstrated using Annexin V and upregulation of apoptotic biomarkers (active caspase 3 and cleaved PARP). Using BH3 profiling, JB was shown to prime cells to apoptosis at an early time point (4 h) and phospho-kinase arrays demonstrated this to be associated with a strong upregulation and activation of both total and phosphorylated c-Jun (S63). The mechanism of c-Jun activation was probed and significant induction of reactive oxygen species (ROS) was demonstrated which resulted in an increase in the DNA damage response marker γH2AX. This was further verified by the loss of JB-induced C-Jun activation and maintenance of cell viability when using the ROS scavenger N-acetyl-L-cysteine (NAC). CONCLUSIONS This work provides the first evidence of cytotoxicity of JB against AML cells and identifies ROS-induced c-Jun activation as the major mechanism of action.
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Affiliation(s)
- Hayaa Moeed Alhuthali
- Blood Cancer and Stem Cells, Division of Cancer and Stem Cells, School of Medicine, Nottingham Biodiscovery Institute, University of Nottingham, Room B209, University Park, Nottingham, NG7 2RD, UK.,College of Applied Medical Science, Taif University, Ta'if, Saudi Arabia
| | | | - Kuan-Hon Lim
- School of Pharmacy, University of Nottingham, Semenyih, Malaysia
| | - Toh-Seok Kam
- Department of Chemistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Claire H Seedhouse
- Blood Cancer and Stem Cells, Division of Cancer and Stem Cells, School of Medicine, Nottingham Biodiscovery Institute, University of Nottingham, Room B209, University Park, Nottingham, NG7 2RD, UK.
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Abo Mansour HE, El-Batsh MM, Badawy NS, Mehanna ET, Mesbah NM, Abo-Elmatty DM. Effect of co-treatment with doxorubicin and verapamil loaded into chitosan nanoparticles on diethylnitrosamine-induced hepatocellular carcinoma in mice. Hum Exp Toxicol 2020; 39:1528-1544. [PMID: 32519553 DOI: 10.1177/0960327120930266] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This study aimed to investigate the potential role of co-treatment with doxorubicin (DOX) and verapamil (VRP) nanoparticles in experimentally induced hepatocellular carcinoma in mice and to investigate the possible mechanisms behind the potential favorable effect of the co-treatment. DOX and VRP were loaded into chitosan nanoparticles (CHNPs), and cytotoxicity of loaded and unloaded drugs against HepG2 cells was evaluated. Male albino mice were divided into eight groups (n = 15): (1) normal control, (2) diethylnitrosamine, (3) CHNPs, (4) free DOX, (5) CHNPs DOX, (6) free VRP, (7) CHNPs VRP, and (8) CHNPs DOX + CHNPs VRP. Either VRP or DOX loaded into CHNPs showed stronger growth inhibition of HepG2 cells than their free forms. DOX or VRP nanoparticles displayed pronounced anticancer activity in vivo through the decline of vascular endothelial growth factor and B cell lymphoma-2 contents in liver tissues, upregulation of antioxidant enzymes, and downregulation of multidrug resistance 1. Moreover, reduced cardiotoxicity was evident from decreased level of tumor necrosis factor-α and malondialdehyde in heart tissues coupled with decreased serum activity of creatine kinase-myocardial band and lactate dehydrogenase. Co-treatment with CHNPs DOX and CHNPs VRP showed superior results versus other treatments. Liver sections from the co-treatment group revealed the absence of necrosis, enhanced apoptosis, and nearly normal hepatic lobule architecture. Co-treatment with CHNPs DOX and CHNPs VRP revealed enhanced anticancer activity and decreased cardiotoxicity versus the corresponding free forms.
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Affiliation(s)
- H E Abo Mansour
- Department of Biochemistry, Faculty of Pharmacy, Menoufia University, Shibin el Kom, Egypt
| | - M M El-Batsh
- Department of Clinical Pharmacology, Faculty of Medicine, Menoufia University, Shibin el Kom, Egypt
| | - N S Badawy
- Department of Histology and Cell Biology, Faculty of Medicine, Menoufia University, Shibin el Kom, Egypt
| | - E T Mehanna
- Department of Biochemistry, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
| | - N M Mesbah
- Department of Biochemistry, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
| | - D M Abo-Elmatty
- Department of Biochemistry, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
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Modulation of Nrf2 by quercetin in doxorubicin-treated rats. Heliyon 2020; 6:e03803. [PMID: 32337383 PMCID: PMC7177035 DOI: 10.1016/j.heliyon.2020.e03803] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 02/24/2020] [Accepted: 04/15/2020] [Indexed: 12/14/2022] Open
Abstract
Doxorubicin (DOXO), a potent and widely used chemotherapeutic agent, causes irreversible heart failure by increasing oxidative stress, which limits its clinical utility. Nuclear factor erythroid-derived 2 -like 2 (Nrf2) is a prominent central regulator of cellular impenetrable to oxidants. The purpose of the study is to assess the ameliorative outcome of quercetin in cardiomyopathic rats induced by doxorubicin. Cardiomyopathy was produced in rats by single intraperitoneal weekly with DOXO (2 mg/kg) for 4 weeks. The rats were divided into five groups: (I) control group; (II) DOXO (2 mg/kg, i.p.) group; (III-V) DOXO + quercetin (10 mg/kg, 25 mg/kg and 50 mg/kg, orally), and were treated for 7 weeks. At the end of the treatment duration, cardiac function and biochemical parameters were assessed. Quercetin (10 mg/kg, 25 mg/kg and 50 mg/kg, orally) treatment reduced the raised blood pressure (BP) and left ventricular dysfunction. Withal, it prevented the rise in CKMB and LDH, suggesting the effect of quercetin in the maintaining the integrity of the cell membrane Besides, it also prevented the alteration in electrolyte levels, the activity of ATPase, and antioxidant status. Quercetin increased Nrf2 mRNA expression and reduced histological abnormalities compared to the DOXO control group. In conclusion, quercetin protected against DOXO- induced cardiomyopathy, by increasing expression of NRF2, and thereby increasing antioxidant defense and restoring biochemical and histological abnormalities.
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Abstract
Experimental models of cardiac disease play a key role in understanding the pathophysiology of the disease and developing new therapies. The features of the experimental models should reflect the clinical phenotype, which can have a wide spectrum of underlying mechanisms. We review characteristics of commonly used experimental models of cardiac physiology and pathophysiology in all translational steps including in vitro, small animal, and large animal models. Understanding their characteristics and relevance to clinical disease is the key for successful translation to effective therapies.
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67
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Ashtar M, Tenshin H, Teramachi J, Bat-Erdene A, Hiasa M, Oda A, Tanimoto K, Shimizu S, Higa Y, Harada T, Oura M, Sogabe K, Nakamura S, Fujii S, Sumitani R, Miki H, Udaka K, Takahashi M, Kagawa K, Endo I, Tanaka E, Matsumoto T, Abe M. The Roles of ROS Generation in RANKL-Induced Osteoclastogenesis: Suppressive Effects of Febuxostat. Cancers (Basel) 2020; 12:E929. [PMID: 32283857 PMCID: PMC7226249 DOI: 10.3390/cancers12040929] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 04/01/2020] [Accepted: 04/03/2020] [Indexed: 12/12/2022] Open
Abstract
Receptor activator of NF-κB ligand (RANKL), a critical mediator of osteoclastogenesis, is upregulated in multiple myeloma (MM). The xanthine oxidase inhibitor febuxostat, clinically used for prevention of tumor lysis syndrome, has been demonstrated to effectively inhibit not only the generation of uric acid but also the formation of reactive oxygen species (ROS). ROS has been demonstrated to mediate RANKL-mediated osteoclastogenesis. In the present study, we therefore explored the role of cancer-treatment-induced ROS in RANKL-mediated osteoclastogenesis and the suppressive effects of febuxostat on ROS generation and osteoclastogenesis. RANKL dose-dependently induced ROS production in RAW264.7 preosteoclastic cells; however, febuxostat inhibited the RANKL-induced ROS production and osteoclast (OC) formation. Interestingly, doxorubicin (Dox) further enhanced RANKL-induced osteoclastogenesis through upregulation of ROS production, which was mostly abolished by addition of febuxostat. Febuxostat also inhibited osteoclastogenesis enhanced in cocultures of bone marrow cells with MM cells. Importantly, febuxostat rather suppressed MM cell viability and did not compromise Dox's anti-MM activity. In addition, febuxostat was able to alleviate pathological osteoclastic activity and bone loss in ovariectomized mice. Collectively, these results suggest that excessive ROS production by aberrant RANKL overexpression and/or anticancer treatment disadvantageously impacts bone, and that febuxostat can prevent the ROS-mediated osteoclastic bone damage.
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Affiliation(s)
- Mohannad Ashtar
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Oral Sciences, Tokushima 770-8503, Japan; (M.A.); (K.T.); (S.S.); (Y.H.)
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
| | - Hirofumi Tenshin
- Department of Orthodontics and Dentofacial Orthopedics, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (M.H.); (E.T.)
| | - Jumpei Teramachi
- Department of Tissue Regeneration, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan;
| | - Ariunzaya Bat-Erdene
- Department of Immunology, School of Bio-Medicine, Mongolian National University of Medical Sciences, Ulaanbaatar 14210, Mongolia;
| | - Masahiro Hiasa
- Department of Orthodontics and Dentofacial Orthopedics, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (M.H.); (E.T.)
| | - Asuka Oda
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
| | - Kotaro Tanimoto
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Oral Sciences, Tokushima 770-8503, Japan; (M.A.); (K.T.); (S.S.); (Y.H.)
| | - So Shimizu
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Oral Sciences, Tokushima 770-8503, Japan; (M.A.); (K.T.); (S.S.); (Y.H.)
| | - Yoshiki Higa
- Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Oral Sciences, Tokushima 770-8503, Japan; (M.A.); (K.T.); (S.S.); (Y.H.)
| | - Takeshi Harada
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
| | - Masahiro Oura
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
| | - Kimiko Sogabe
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
| | - Shingen Nakamura
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
| | - Shiro Fujii
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
| | - Ryohei Sumitani
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
| | - Hirokazu Miki
- Division of Transfusion Medicine and Cell Therapy, Tokushima University Hospital, Tokushima 770-8503, Japan;
| | - Kengo Udaka
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
| | - Mamiko Takahashi
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
| | - Kumiko Kagawa
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
| | - Itsuro Endo
- Department of Chronomedicine, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan;
| | - Eiji Tanaka
- Department of Orthodontics and Dentofacial Orthopedics, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (M.H.); (E.T.)
| | - Toshio Matsumoto
- Fujii Memorial Institute of Medical Sciences, Tokushima University, Tokushima 770-8503, Japan;
| | - Masahiro Abe
- Department of Hematology, Endocrinology and Metabolism, Institute of Biomedical Sciences, Tokushima University, Tokushima 770-8503, Japan; (A.O.); (T.H.); (M.O.); (K.S.); (S.N.); (S.F.); (R.S.); (K.U.); (M.T.); (K.K.)
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The Interplay of Dysregulated pH and Electrolyte Imbalance in Cancer. Cancers (Basel) 2020; 12:cancers12040898. [PMID: 32272658 PMCID: PMC7226178 DOI: 10.3390/cancers12040898] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 04/01/2020] [Accepted: 04/02/2020] [Indexed: 12/11/2022] Open
Abstract
Cancer cells and tissues have an aberrant regulation of hydrogen ion dynamics driven by a combination of poor vascular perfusion, regional hypoxia, and increased the flux of carbons through fermentative glycolysis. This leads to extracellular acidosis and intracellular alkalinization. Dysregulated pH dynamics influence cancer cell biology, from cell transformation and tumorigenesis to proliferation, local growth, invasion, and metastasis. Moreover, this dysregulated intracellular pH (pHi) drives a metabolic shift to increased aerobic glycolysis and reduced mitochondrial oxidative phosphorylation, referred to as the Warburg effect, or Warburg metabolism, which is a selective feature of cancer. This metabolic reprogramming confers a thermodynamic advantage on cancer cells and tissues by protecting them against oxidative stress, enhancing their resistance to hypoxia, and allowing a rapid conversion of nutrients into biomass to enable cell proliferation. Indeed, most cancers have increased glucose uptake and lactic acid production. Furthermore, cancer cells have very dysregulated electrolyte balances, and in the interaction of the pH dynamics with electrolyte, dynamics is less well known. In this review, we highlight the interconnected roles of dysregulated pH dynamics and electrolytes imbalance in cancer initiation, progression, adaptation, and in determining the programming and reprogramming of tumor cell metabolism.
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Prasanna PL, Renu K, Valsala Gopalakrishnan A. New molecular and biochemical insights of doxorubicin-induced hepatotoxicity. Life Sci 2020; 250:117599. [PMID: 32234491 DOI: 10.1016/j.lfs.2020.117599] [Citation(s) in RCA: 113] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 03/17/2020] [Accepted: 03/24/2020] [Indexed: 02/07/2023]
Abstract
Chemotherapeutic antibiotic doxorubicin belongs to the anthracycline class, slaughters not only the cancer cells but also non-cancerous cells even in the non-targeted organs thereby resulting in the toxicity. The liver is primarily involved in the process of detoxification and this mini-review we focused mainly to investigate the molecular mechanisms heading hepatotoxicity caused due to doxorubicin administration. The alterations in the doxorubicin treated liver tissue include vacuolation of hepatocytes, degeneration of hepatocyte cords, bile duct hyperplasia and focal necrosis. About the literature conducted, hepatotoxicity caused by doxorubicin has been explained by estimating the levels of liver serum biomarkers, ROS production, antioxidant enzymes, lipid peroxidation, and mitochondrial dysfunction. The liver serum biomarkers such as ALT and AST, elated levels of free radicals inducing oxidative stress characterized by a surge in Nrf-2, FOXO-1 and HO-1 genes and diminution of anti-oxidant activity characterized by a decline in SOD, GPx, and CAT genes. The augmented levels of SGOT, SGPT, LDH, creatine kinase, direct and total bilirubin levels also reveal the toxicity in the hepatic tissue due to doxorubicin treatment. The molecular insight of hepatotoxicity is mainly due to the production of ROS, ameliorated oxidative stress and inflammation, deteriorated mitochondrial production and functioning, and enhanced apoptosis. Certain substances such as extracts from medicinal plants, natural products, and chemical substances have been shown to produce an alleviating effect against the doxorubicin-induced hepatotoxicity are also discussed.
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Affiliation(s)
- Pureti Lakshmi Prasanna
- Department of Biomedical Sciences, School of Biosciences and Technology, VIT, Vellore, Tamil Nadu 632014, India
| | - Kaviyarasi Renu
- Department of Biomedical Sciences, School of Biosciences and Technology, VIT, Vellore, Tamil Nadu 632014, India
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Hafez HM, Hassanein H. Montelukast ameliorates doxorubicin-induced cardiotoxicity via modulation of p-glycoprotein and inhibition of ROS-mediated TNF-α/NF-κB pathways. Drug Chem Toxicol 2020; 45:548-559. [DOI: 10.1080/01480545.2020.1730885] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Heba M. Hafez
- Department of Pharmacology, Faculty of Medicine, Minia University, Minia, Egypt
| | - Hanaa Hassanein
- Department of Histology, Faculty of Medicine, Minia University, Minia, Egypt
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Kim JA, Yoon DY, Kim JC. Oxidation-Triggerable Liposome Incorporating Poly(Hydroxyethyl Acrylate- co-Allyl methyl sulfide) as an Anticancer Carrier of Doxorubicin. Cancers (Basel) 2020; 12:cancers12010180. [PMID: 31936896 PMCID: PMC7017253 DOI: 10.3390/cancers12010180] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/27/2019] [Accepted: 01/08/2020] [Indexed: 11/26/2022] Open
Abstract
Since cancer cells are oxidative in nature, anti-cancer agents can be delivered to cancer cells specifically without causing severe normal cell toxicity if the drug carriers are designed to be sensitive to the intrinsic characteristic. Oxidation-sensitive liposomes were developed by stabilizing dioleoylphosphatidyl ethanolamine (DOPE) bilayers with folate-conjugated poly(hydroxyethyl acrylate-co-allyl methyl sulfide) (F-P(HEA-AMS)). The copolymer, synthesized by a free radical polymerization, was surface-active but lost its surface activity after AMS unit was oxidized by H2O2 treatment. The liposomes with F-P(HEA-AMS) were sensitive to H2O2 concentration (0%, 0.5%, 1.0%, and 2.0%) in terms of release, possibly because the copolymer lost its surface activity and its bilayer-stabilizing ability upon oxidation. Fluorescence-activated cell sorting (FACS) and confocal laser scanning microscopy (CLSM) revealed that doxorubicin (DOX)-loaded liposomes stabilized with folate-conjugated copolymers markedly promoted the transport of the anti-cancer drug to cancer cells. This was possible because the liposomes were readily translocated into the cancer cells via receptor-mediated endocytosis. This liposome would be applicable to the delivery carrier of anticancer drugs.
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Berberine Ameliorates Doxorubicin-Induced Cardiotoxicity via a SIRT1/p66Shc-Mediated Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:2150394. [PMID: 31885776 PMCID: PMC6918936 DOI: 10.1155/2019/2150394] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 09/19/2019] [Accepted: 10/18/2019] [Indexed: 12/24/2022]
Abstract
Doxorubicin- (DOX-) induced cardiotoxicity is associated with oxidative stress and cardiomyocyte apoptosis. The adaptor protein p66Shc regulates the cellular redox status and determines cell susceptibility to apoptosis. This study is aimed at investigating the involvement of sirtuin 1- (SIRT1-) mediated p66Shc inhibition in DOX-induced redox signalling and exploring the possible protective mechanisms of berberine (Ber) against DOX-triggered cardiac injury in rats and a cultured H9c2 cell line. Our results showed that the Ber pretreatment markedly increased CAT, SOD, and GSH-PX activities, decreased the levels of MDA, and improved the electrocardiogram and histopathological changes in the myocardium in DOX-treated rats (in vivo). Furthermore, Ber significantly ameliorated the DOX-induced oxidative insult and mitochondrial damage by adjusting the levels of intracellular ROS, ΔΨm, and [Ca2+]m in H9c2 cells (in vitro). Importantly, the Ber pretreatment increased SIRT1 expression following DOX exposure but downregulated p66Shc. Consistent with the results demonstrating the SIRT1-mediated inhibition of p66Shc expression, the Ber pretreatment inhibited DOX-triggered cardiomyocyte apoptosis and mitochondrial dysfunction. After exposing H9c2 cells to DOX, the increased SIRT1 expression induced by Ber was abrogated by a SIRT1-specific inhibitor (EX527) or the use of siRNA against SIRT1. Accordingly, SIRT1 inhibition significantly abrogated the suppression of p66Shc expression and protection of Ber against DOX-induced oxidative stress and apoptosis. These results suggest that Ber protects the heart from DOX injury through SIRT1-mediated p66Shc suppression, offering a novel mechanism responsible for the protection of Ber against DOX-induced cardiomyopathy.
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Ahmed LA. Nicorandil: A drug with ongoing benefits and different mechanisms in various diseased conditions. Indian J Pharmacol 2019; 51:296-301. [PMID: 31831918 PMCID: PMC6892004 DOI: 10.4103/ijp.ijp_298_19] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 10/11/2019] [Accepted: 10/12/2019] [Indexed: 12/01/2022] Open
Abstract
Nicorandil is a well-known antianginal agent, which has been recommended as one of the second-line treatments for chronic stable angina as justified by the European guidelines. It shows an efficacy equivalent to that of classic antianginal agents. Nicorandil has also been applied clinically in various cardiovascular diseases such as variant or unstable angina and reperfusion-induced damage following coronary angioplasty or thrombolysis. Different mechanisms have been involved in the protective effects of nicorandil in various diseases through either opening of adenosine triphosphate-sensitive potassium (KATP) channel or donation of nitric oxide (NO). The predominance or participation of any of these proposed mechanisms depends on the dose of nicorandil used, the location of diseased conditions, and if this mechanism is still functioning or not. The protection afforded by nicorandil has been shown to be mainly attributed to KATP channel opening in experimental models of myocardial and pulmonary fibrosis as well as renal injury or glomerulonephritis, whereas NO donation predominates as a mechanism of protection in hepatic fibrosis and inflammatory bowel diseases. Therefore, in different diseased conditions, it is important to know which mechanism plays the major role in nicorandil-induced curative or protective effects. This can bring new insights into the proper use of selected medication and its recommended dose for targeting certain disease.
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Affiliation(s)
- Lamiaa Ahmed Ahmed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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Cardoso CV, de Barros MP, Bachi ALL, Bernardi MM, Kirsten TB, de Fátima Monteiro Martins M, Rocha PRD, da Silva Rodrigues P, Bondan EF. Chemobrain in rats: Behavioral, morphological, oxidative and inflammatory effects of doxorubicin administration. Behav Brain Res 2019; 378:112233. [PMID: 31521736 DOI: 10.1016/j.bbr.2019.112233] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 08/15/2019] [Accepted: 09/11/2019] [Indexed: 02/07/2023]
Abstract
Doxorubicin (DOX) is known to cause cognitive impairments in patients submitted to long-term chemotherapy (deficits also known as chemobrain). The present study investigated whether DOX administration could affect behavior and brain morphology, as well as oxidative and inflammatory status in rats. Male Wistar rats were injected with DOX (2.5 mg/kg/week, 4 weeks, i.p.) or saline. Behavioral analyses were performed. Brains were collected and analyzed by hematoxylin-eosin and luxol fast blue staining techniques and by immunohistochemistry (for glial fibrillary acidic protein expression in astrocytes; GFAP). Serum and brain levels of TNF-α, IL-1β, IL-6, IL-8, IL-10 and CXCL-1 were determined. Oxidative parameters, such as superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR), nitric oxide (NO•), brain iron and ferritin levels, as well as reduced and oxidized glutathione (GSH and GSSG, respectively) and thiobarbituric acid reactive substances (TBARS) were also assessed in brain. DOX-injected rats presented cognitive/memory impairments, increased GFAP expression, increased levels of TBARS, NO and GR, but decreased GSSG and ferritin levels in brain homogenate. In addition, increased serum and brain levels of IL-6, IL-8 and CXCL1 were noted in the DOX group, although IL-10 decreased. As DOX has a poor penetration across the blood-brain barrier (BBB), it is proposed that this drug elicits a systemic proinflammatory response with increase of proinflammatory cytokines which cross the BBB and can be involved in the induction of oxidative molecules and proinflammatory cytokines that altogether induce astrogliosis all over the brain. These events may be responsable for chemotherapy-induced cognitive/memory deficits.
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Affiliation(s)
- Carolina Vieira Cardoso
- Graduate Program in Environmental and Experimental Pathology, University Paulista, Rua Doutor Bacelar, 1212, 4th Floor, São Paulo (SP), 04026-002, Brazil.
| | - Marcelo Paes de Barros
- Institute of Physical Activity and Sports Science (ICAFE), University Cruzeiro do Sul, Rua Galvão Bueno 868, Building B, 13th Floor, São Paulo (SP), 01506-000, Brazil
| | - André Luís Lacerda Bachi
- Brazilian Institute of Teaching and Research in Pulmonary and Exercise Immunology (IBEPIPE), Rua Pedro Ernesto, 240, São José dos Campos (SP), 12245-520, Brazil; Department of Otorhinolaryngology, Federal University of São Paulo, Rua Pedro de Toledo, 947, São Paulo (SP), 04039-002, Brazil
| | - Maria Martha Bernardi
- Graduate Program in Environmental and Experimental Pathology, University Paulista, Rua Doutor Bacelar, 1212, 4th Floor, São Paulo (SP), 04026-002, Brazil
| | - Thiago Berti Kirsten
- Graduate Program in Environmental and Experimental Pathology, University Paulista, Rua Doutor Bacelar, 1212, 4th Floor, São Paulo (SP), 04026-002, Brazil
| | - Maria de Fátima Monteiro Martins
- School of Veterinary Medicine, University Cruzeiro do Sul, Avenida Tenente Laudelino Ferreira do Amaral, 700, São Paulo (SP), 08060-000, Brazil
| | - Paulo Ricardo Dell'Armelina Rocha
- Graduate Program in Environmental and Experimental Pathology, University Paulista, Rua Doutor Bacelar, 1212, 4th Floor, São Paulo (SP), 04026-002, Brazil
| | - Paula da Silva Rodrigues
- Graduate Program in Environmental and Experimental Pathology, University Paulista, Rua Doutor Bacelar, 1212, 4th Floor, São Paulo (SP), 04026-002, Brazil
| | - Eduardo Fernandes Bondan
- Graduate Program in Environmental and Experimental Pathology, University Paulista, Rua Doutor Bacelar, 1212, 4th Floor, São Paulo (SP), 04026-002, Brazil.
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Kim TH, Alle M, Kim JC. Oxidation- and Temperature-Responsive Poly(hydroxyethyl acrylate- co-phenyl vinyl sulfide) Micelle as a Potential Anticancer Drug Carrier. Pharmaceutics 2019; 11:E462. [PMID: 31500154 PMCID: PMC6781318 DOI: 10.3390/pharmaceutics11090462] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/27/2019] [Accepted: 09/04/2019] [Indexed: 01/06/2023] Open
Abstract
Poly(hydroxyethyl acrylate-co-phenyl vinyl sulfide) (P(HEA-co-PVS)), as an oxidizable amphiphilic polymer, was prepared for the fabrication of an oxidation- and temperature-responsive micelle for the delivery of doxorubicin (DOX). The interfacial activity of H2O2-treated P(HEA-co-PVS) was significantly lower than that of the untreated variety, possibly because of the oxidization of PVS. P(HEA-co-PVS) exhibited a lower critical solution temperature (LCST) behavior and the LCST increased upon H2O2 treatment. The copolymer micelles, prepared by the dialysis method, were found to be round particles (less than 100 nm) on TEM micrograph. The release degree of Nile red loaded in the micelles was higher when the H2O2 concentration was higher, possibly because the micelles could be solubilized more readily at a higher H2O2 concentration. The release degree was more strongly dependent on the oxidizing agent concentration when the temperature was higher. DOX loaded in the micelles suppressed the in vitro growth of KB cells (a human cancer cell type originating from the cervix) much more effectively than DOX loaded in an unoxidizable control micelle and free DOX, possibly because the copolymer would undergo an increase in its LCST, lose its amphiphilic property, and the micelles would be disassembled. The DOX-loaded micelles were readily internalized into KB cells, as evidenced by flow cytometry (FACS) and confocal laser scanning microscopy (CLSM).
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Affiliation(s)
- Tae Hoon Kim
- Department of Medical Biomaterials Engineering, College of Biomedical Science and Institute of Bioscience and Biotechnology, Kangwon National University, 192-1, Hyoja 2 dong, Chuncheon, Kangwon-do 200-701, Korea.
| | - Madhusudhan Alle
- Department of Medical Biomaterials Engineering, College of Biomedical Science and Institute of Bioscience and Biotechnology, Kangwon National University, 192-1, Hyoja 2 dong, Chuncheon, Kangwon-do 200-701, Korea
| | - Jin-Chul Kim
- Department of Medical Biomaterials Engineering, College of Biomedical Science and Institute of Bioscience and Biotechnology, Kangwon National University, 192-1, Hyoja 2 dong, Chuncheon, Kangwon-do 200-701, Korea.
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Coenzyme Q10 Cardioprotective Effects Against Doxorubicin-Induced Cardiotoxicity in Wistar Rat. Cardiovasc Toxicol 2019; 20:222-234. [DOI: 10.1007/s12012-019-09547-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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77
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Current status of nanomedicine in the chemotherapy of breast cancer. Cancer Chemother Pharmacol 2019; 84:689-706. [DOI: 10.1007/s00280-019-03910-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 07/25/2019] [Indexed: 12/24/2022]
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Boussada M, Ali RB, Chahbi A, Abdelkarim M, Fradj MKB, Dziri C, Bokri K, Akacha AB, El May MV. A new Thiocyanoacetamide protects rat sperm cells from Doxorubicin-triggered cytotoxicity whereas Selenium shows low efficacy: In vitro approach. Toxicol In Vitro 2019; 61:104587. [PMID: 31271807 DOI: 10.1016/j.tiv.2019.06.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 05/29/2019] [Accepted: 06/29/2019] [Indexed: 11/26/2022]
Abstract
Doxorubicin (DOX) exhibits a wide-ranging spectrum of antitumor activities which maintain its clinical use despite its devastating impact on highly proliferating cells. The present work was designed to develop a new approach which aims to protect male germ cells from DOX cytotoxicity. Thus, an assessment of the protective potential of a new thioamide analog (thiocyanoacetamide; TA) compared to selenium (Se) was performed in rat sperms exposed to DOX in vitro. Oxygen consumption rate (OCR) was measured after exposure to three different doses (0.5, 1, 1.5 and 2 μM) of DOX, Se or TA, and the suitable concentrations were selected for further studies afterwards. Motility, OCR in a time-dependent manner, glucose extracellular concentration and lipid peroxidation (LPO) were measured. Fatty acid (FA) content was assessed by gas chromatography (GC-FID). Cell death, superoxide anion (O2-), mitochondrial membrane potential (MMP), and DNA damage were evaluated by flow cytometry. TA association with DOX increased OCR and glucose uptake, improved cell survival and decreased DNA damage. The co-administration of DOX with Se increased OCR, significantly prevented O2- overproduction, and decreased LPO. Collected data brought new insights regarding this transformed TA, which showed better efficiency than Se in reducing DOX cytotoxic stress in sperms.
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Affiliation(s)
- Marwa Boussada
- UR17/ES/13 Laboratory of Histology and Embryology, Faculty of Medicine of Tunis, University of Tunis El Manar (UTM), Jabbari Jebel Lakhdar Street 15, 1007 Tunis, Tunisia.
| | - Ridha Ben Ali
- UR17/ES/13 Laboratory of Histology and Embryology, Faculty of Medicine of Tunis, University of Tunis El Manar (UTM), Jabbari Jebel Lakhdar Street 15, 1007 Tunis, Tunisia; Unity of Experimental Medicine, Faculty of Medicine of Tunis, University of Tunis El Manar (UTM), Jabbari Jebel Lakhdar Street 15, 1007 Tunis, Tunisia
| | - Ahlem Chahbi
- Laboratory of Hematology, Faculty of Medicine of Tunis, University of Tunis El Manar (UTM), Jabbari Jebel Lakhdar Street 15, 1007 Tunis, Tunisia.
| | - Mohamed Abdelkarim
- Laboratory of Hematology, Faculty of Medicine of Tunis, University of Tunis El Manar (UTM), Jabbari Jebel Lakhdar Street 15, 1007 Tunis, Tunisia
| | - Mohamed Kacem Ben Fradj
- UR05/08-08, LR99/ES/11, Department of Biochemistry, Rabta Hospital, University of Tunis El Manar (UTM), Jabbari Jebel Lakhdar Street 15, 1007 Tunis, Tunisia
| | - Chadli Dziri
- Unity of Experimental Medicine, Faculty of Medicine of Tunis, University of Tunis El Manar (UTM), Jabbari Jebel Lakhdar Street 15, 1007 Tunis, Tunisia
| | - Khouloud Bokri
- Laboratory of Organic Synthesis and Heterocyclic Chemistry Department, Faculty of Sciences of Tunis, University of Tunis El Manar, 2092 Tunis, Tunisia
| | - Azaiez Ben Akacha
- Laboratory of Organic Synthesis and Heterocyclic Chemistry Department, Faculty of Sciences of Tunis, University of Tunis El Manar, 2092 Tunis, Tunisia
| | - Michèle Véronique El May
- UR17/ES/13 Laboratory of Histology and Embryology, Faculty of Medicine of Tunis, University of Tunis El Manar (UTM), Jabbari Jebel Lakhdar Street 15, 1007 Tunis, Tunisia
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Potential Protective Effect of Achillea fragrantissima against Adriamycin-Induced Cardiotoxicity in Rats via an Antioxidant and Anti-Inflammatory Pathway. BIOMED RESEARCH INTERNATIONAL 2019; 2019:5269074. [PMID: 31317032 PMCID: PMC6601502 DOI: 10.1155/2019/5269074] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 04/24/2019] [Accepted: 05/07/2019] [Indexed: 12/14/2022]
Abstract
Adriamycin (Adr) is a cytotoxic anthracycline agent that is utilized to manage many types of tumors, but its clinical use is undesirable due to severe cardiotoxicity. The present study aimed to investigate the cardioprotective effect of Achillea fragrantissima (A. fragrantissima) against Adr-induced cardiotoxicity through the antioxidant and anti-inflammatory metabolic pathways. A single dose of Adr was injected in rats to induce cardiotoxicity. Rats are divided into 5 groups, control, A. fragrantissima 800, Adr, A. fragrantissima 400 + Adr, and A. fragrantissima 800 + Adr. 72 h after Adr administration, electrocardiographic (ECG) study was performed for all rats. Serum and hearts were then collected for biochemical and histopathological studies. A. fragrantissima ameliorated Adr-induced ST-segment elevation. It reduced Adr-induced elevation in lactate dehydrogenase (LDH), creatine kinase-MB (CK-MB), thiobarbituric acid reactive substance (TBARS), tumor necrosis factor-alpha (TNF-α), interleukin-1 beta (IL-1β), and IL-6. It also protected against Adr-induced histopathological changes. Pretreatment with the extract increased heart tissue contents of glutathione peroxidase (GSH-PX) and reduced glutathione (GSH). Phytochemical analysis of the extract revealed that it is rich in phenolic and flavonoid active constituents. The results of this study revealed that A. fragrantissima extract ameliorates Adr-induced cardiotoxicity via an antioxidant and anti-inflammatory mechanisms. Further studies are warranted in order to recognize the precise active constituents of this natural extract which are responsible for the antioxidant and anti-inflammatory actions.
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80
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Xu J, Liu D, Xiao S, Meng X, Zhao D, Jiang X, Jiang X, Cai L, Jiang H. Low-Dose Radiation Prevents Chemotherapy-Induced Cardiotoxicity. CURRENT STEM CELL REPORTS 2019. [DOI: 10.1007/s40778-019-00158-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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81
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Wang X, Pan J, Liu D, Zhang M, Li X, Tian J, Liu M, Jin T, An F. Nicorandil alleviates apoptosis in diabetic cardiomyopathy through PI3K/Akt pathway. J Cell Mol Med 2019; 23:5349-5359. [PMID: 31131539 PMCID: PMC6653072 DOI: 10.1111/jcmm.14413] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 04/17/2019] [Accepted: 05/02/2019] [Indexed: 12/15/2022] Open
Abstract
Nicorandil exerts myocardial protection through its antihypoxia and antioxidant effects. Here, we investigated whether it plays an anti‐apoptotic role in diabetic cardiomyopathy. Sprague‐Dawley rats were fed with high‐fat diet; then single intraperitoneal injection of streptozotocin was performed. Rats with fasting blood glucose (FBG) higher than 11.1 mmol/L were selected as models. Eight weeks after the models were built, rats were treated with nicorandil (7.5 mg/kg day and 15 mg/kg day respectively) for 4 weeks. H9c2 cardiomyocytes were treated with nicorandil and then stimulated with high glucose (33.3 mmol/L). TUNEL assay and level of bcl‐2, bax and caspase‐3 were measured. 5‐HD was used to inhibit nicorandil. Also, PI3K inhibitor (Miltefosine) and mTOR inhibitor (rapamycin) were used to inhibit PI3K/Akt pathway. The results revealed that nicorandil (both 7.5 mg/kg day and 15mg/kg day) treatment can increase the level of NO in the serum and eNOS in the heart of diabetic rats compared with the untreated diabetic group. Nicorandil can also improve relieve cardiac dysfunction and reduce the level of apoptosis. In vitro experiments, nicorandil (100 µmol) can attenuate the level of apoptosis stimulated by high glucose significantly in H9C2 cardiomyocyte compared with the untreated group. The effect of nicorandil on apoptosis was blocked by 5‐HD, and it was accompanied with inhibition of the phosphorylation of PI3K, Akt, eNOS, and mTOR. After inhibition of PI3K/Akt pathway, the protective effect of nicorandil is restrained. These results verified that as a NO donor, nicorandil can also inhibit apoptosis in diabetic cardiomyopathy which is mediated by PI3K/Akt pathway.
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Affiliation(s)
- Xuyang Wang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Jinyu Pan
- Department of Cardiology, Shandong Provincial Qianfoshan Hospital of Shandong University, Jinan, China
| | - Dian Liu
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Mingjun Zhang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Xiaowei Li
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Jingjing Tian
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Ming Liu
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Tao Jin
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Fengshuang An
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
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Kumar B, Murali A, Mattan I, Giri S. Near-Infrared-Triggered Photodynamic, Photothermal, and on Demand Chemotherapy by Multifunctional Upconversion Nanocomposite. J Phys Chem B 2019; 123:3738-3755. [PMID: 30969119 DOI: 10.1021/acs.jpcb.9b01870] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
In an attempt to integrate photodynamic therapy (PDT) with photothermal therapy and chemotherapy for enhanced anticancer activity, we have rationally synthesized a multifunctional upconversion nanoplatform using NaYF4:Yb/Tm/Er/Fe nanoparticles (NPs) as the core and NaYbF4:1% Tm as a shell. The as-synthesized core-shell upconversion (CSU) NPs exhibited diverse and enhanced photoluminescence emissions in a wide range (UV to NIR) consequent upon Fe3+ doping in the core and fabrication of an active shell. Subsequently, CSU was first decorated with titania NPs as photosensitizers. Next, the mesoporous silica (MS) shell loaded with doxorubicin (DOX) via a photocleavable Ru complex as the gating molecule was developed around titania-containing CSU. Finally, gold nanorods (GNRs) with localized surface plasmon resonance (LSPR) at 800 nm were incorporated around the MS layer to obtain the multifunctional nanoplatform. We demonstrated that the UV, blue, and NIR emissions from the CSU produced ROS-mediated PDT through titania activation, induced DOX release through photocleavage of the Ru complex, and generated hyperthermia by LSPR activity of GNRs, respectively, upon a single NIR excitation through FRET. The therapeutic efficacy was validated on HeLa cell lines in vitro by various microscopic and biochemical studies under a significantly milder NIR irradiation and lower dosage of the nanoplatforms, which have been further demonstrated as diagnostic nanoprobes for cell imaging.
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Micheliolide Protects Against Doxorubicin-Induced Cardiotoxicity in Mice by Regulating PI3K/Akt/NF-kB Signaling Pathway. Cardiovasc Toxicol 2019; 19:297-305. [DOI: 10.1007/s12012-019-09511-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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84
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Lin SR, Weng CF. PG-Priming Enhances Doxorubicin Influx to Trigger Necrotic and Autophagic Cell Death in Oral Squamous Cell Carcinoma. J Clin Med 2018; 7:jcm7100375. [PMID: 30347872 PMCID: PMC6210351 DOI: 10.3390/jcm7100375] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 10/15/2018] [Accepted: 10/18/2018] [Indexed: 12/13/2022] Open
Abstract
Synergistic effects between natural compounds and chemotherapy drugs are believed to have fewer side effects with equivalent efficacy. However, the synergistic potential of prodigiosin (PG) with doxorubicin (Dox) chemotherapy is still unknown. This study explores the synergistic mechanism of PG and Dox against oral squamous cell carcinoma (OSCC) cells. Three OSCC cell lines were treated with different PG/Dox combinatory schemes for cytotoxicity tests and were further investigated for cell death characteristics by cell cycle flow cytometry and autophagy/apoptosis marker labelling. When OSCC cells were pretreated with PG, the cytotoxicity of the subsequent Dox-treatment was 30% higher than Dox alone. The cytotoxic efficacy of PG-pretreated was found better than those of PG plus Dox co-treatment and Dox-pretreatment. Increase of Sub-G1 phase and caspase-3/LC-3 levels without poly (ADP-ribose) polymeras (PARP) elevation indicated both autophagy and necrosis occurred in OSCC cells. Dox flux after PG-priming was further evaluated by rhodamine-123 accumulation and Dox transporters analysis to elucidate the PG-priming effect. PG-priming autophagy enhanced Dox accumulation according to the increase of rhodamine-123 accumulation without the alterations of Dox transporters. Additionally, the cause of PG-triggered autophagy was determined by co-treatment with endoplasmic reticulum (ER) stress or AMP-activated protein kinase (AMPK) inhibitor. PG-induced autophagy was not related to nutrient deprivation and ER stress was proved by co-treatment with specific inhibitor. Taken together, PG-priming autophagy could sensitize OSCC cells by promoting Dox influx without regulation of Dox transporter. The PG-priming might be a promising adjuvant approach for the chemotherapy of OSCC.
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Affiliation(s)
- Shian-Ren Lin
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien 97401, Taiwan.
| | - Ching-Feng Weng
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien 97401, Taiwan.
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85
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Toedebusch R, Belenchia A, Pulakat L. Cell-Specific Protective Signaling Induced by the Novel AT2R-Agonist NP-6A4 on Human Endothelial and Smooth Muscle Cells. Front Pharmacol 2018; 9:928. [PMID: 30186168 PMCID: PMC6111462 DOI: 10.3389/fphar.2018.00928] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 07/30/2018] [Indexed: 01/06/2023] Open
Abstract
Cardiovascular disease incidence continues to rise and new treatment paradigms are warranted. We reported previously that activation of Angiotensin II receptor (encoded by the X-linked Agtr2 gene) by a new peptide agonist, NP-6A4, was more effective in protecting mouse cardiomyocyte HL-1 cells and human coronary artery vascular smooth muscle cells (hCAVSMCs) from acute nutrient deficiency than other drugs tested. To elucidate further the protective effects of NP-6A4 in human cells, we studied the effects of NP-6A4 treatment on functions of human coronary artery endothelial cells (hCAECs), and hCAVSMCs. In hCAVSMCs, NP-6A4 (1 μM) increased Agtr2 mRNA (sixfold, p < 0.05) after 12-h exposure, whereas in hCAECs, significant increase in Agtr2 mRNA (hCAECs: eightfold) was observed after prolonged exposure. Interestingly, NP-6A4 treatment (1 μM, 12 h) increased AT2R protein levels in all human cells tested. Pre-treatment with AT2R-antagonist PD123319 (20 μM) and anti-AT2R siRNA (1 μM) suppressed this effect. Thus, NP-6A4 activates a positive feedback loop for AT2R expression and signaling in hCAVSMCs and hCAECs. NP-6A4 (1–20 μM) increased cell index (CI) of hCAVSMCs as determined by real time cell analyzer (RTCA), indicating that high concentrations of NP-6A4 were not cytotoxic for hCAVSMCs, rather promoting better cell attachment and growth. Seahorse Extracellular Flux Assay revealed that NP-6A4 (1 μM) treatment for 7 days increased whole cell-based mitochondrial parameters of hCAVSMCs, specifically maximal respiration (p < 0.05), spare respiratory capacity (p < 0.05) and ATP production (p < 0.05). NP-6A4 (1 μM; 7 days) also suppressed Reactive Oxygen Species (ROS) in hCAVSMCs. Exposure to Doxorubicin (DOXO) (1 μM) increased ROS in hCAVSMCs and this effect was suppressed by NP-6A4 (1 μM). In hCAECs grown in complete medium, NP-6A4 (1 μM) and Ang II (1 μM) exerted similar changes in CI. Additionally, NP-6A4 (5 μM: 12 h) increased expression of eNOS (sixfold, p < 0.05) and generation of nitric oxide (1.3-fold, p < 0.05) in hCAECs and pre-treatment with PD123319 (20 μM) suppressed this effect partially (65%). Finally, NP-6A4 decreased phosphorylation of Jun-N-terminal kinase, implicated in apoptosis of ECs in atherosclerotic sites. Taken together, NP-6A4, through its ability to increase AT2R expression and signaling, exerts different cell-specific protective effects in human VSMCs and ECs.
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Affiliation(s)
- Ryan Toedebusch
- Department of Medicine, University of Missouri, Columbia, MO, United States.,Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO, United States
| | - Anthony Belenchia
- Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO, United States.,Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States
| | - Lakshmi Pulakat
- Department of Medicine, University of Missouri, Columbia, MO, United States.,Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO, United States.,Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States
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86
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Li Y, Liu H, Peng W, Song Z. Nicorandil improves clinical outcomes in patients with stable angina pectoris requiring PCI: a systematic review and meta-analysis of 14 randomized trials. Expert Rev Clin Pharmacol 2018; 11:855-865. [PMID: 30079778 DOI: 10.1080/17512433.2018.1508342] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Yiliang Li
- Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha, China
- Clinical Medicine, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Hai Liu
- Third Department of Cardiac Surgery, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Wei Peng
- Department of Cardiology, The Central Hospital of Loudi Affiliated to the University of South China, Loudi, China
| | - Zhi Song
- Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha, China
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87
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Shi W, Deng H, Zhang J, Zhang Y, Zhang X, Cui G. Mitochondria-Targeting Small Molecules Effectively Prevent Cardiotoxicity Induced by Doxorubicin. Molecules 2018; 23:E1486. [PMID: 29921817 PMCID: PMC6099719 DOI: 10.3390/molecules23061486] [Citation(s) in RCA: 17] [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: 05/22/2018] [Revised: 06/13/2018] [Accepted: 06/13/2018] [Indexed: 02/07/2023] Open
Abstract
Doxorubicin (Dox) is a chemotherapeutic agent widely used for the treatment of numerous cancers. However, the clinical use of Dox is limited by its unwanted cardiotoxicity. Mitochondrial dysfunction has been associated with Dox-induced cardiotoxicity. To mitigate Dox-related cardiotoxicity, considerable successful examples of a variety of small molecules that target mitochondria to modulate Dox-induced cardiotoxicity have appeared in recent years. Here, we review the related literatures and discuss the evidence showing that mitochondria-targeting small molecules are promising cardioprotective agents against Dox-induced cardiac events.
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Affiliation(s)
- Wei Shi
- Department of Bioengineering, Zhuhai Campus of Zunyi Medical University, Zhuhai 519041, China.
| | - Hongkuan Deng
- School of Life Sciences, Shandong University of Technology, Zibo 255000, China.
| | - Jianyong Zhang
- Pharmacy School, Zunyi Medical University, Zunyi 563003, China.
| | - Ying Zhang
- Department of Bioengineering, Zhuhai Campus of Zunyi Medical University, Zhuhai 519041, China.
| | - Xiufang Zhang
- School of Life Sciences, Shandong University of Technology, Zibo 255000, China.
| | - Guozhen Cui
- Department of Bioengineering, Zhuhai Campus of Zunyi Medical University, Zhuhai 519041, China.
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88
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颜 文, 张 纯, 邢 通, 宫 雪, 杨 宇, 李 亦, 刘 玄, 阿依江·加马力丁, 郁 叶, 张 萌, 陈 莉. [Nicorandil improves cognitive dysfunction in mice with streptozotocin-induced diabetes]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2018; 38:384-389. [PMID: 29735436 PMCID: PMC6765662 DOI: 10.3969/j.issn.1673-4254.2018.04.03] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Indexed: 10/07/2023]
Abstract
OBJECTIVE To observe the protective effects of potassium channel opener nicorandil against cognitive dysfunction in mice with streptozotocin (STZ)-induced diabetes. METHODS C57BL/6J mouse models of type 1 diabetes mellitus (T1DM) were established by intraperitoneal injection of STZ and received daily treatment with intragastric administration of nicorandil or saline (model group) for 4 consecutive weeks, with normal C57BL/6J mice serving as control. Fasting blood glucose level was recorded every week and Morris water maze was used to evaluate the cognitive behavior of the mice in the 4th week. At the end of the experiment, the mice were sacrificed to observe the ultrastructural changes in the hippocampus and pancreas under transmission electron microscopy; the contents of glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) in the hippocampus and SOD activity and MDA level in the brain tissue were determined. RESULTS Compared with the control group, the model group showed significantly increased fasting blood glucose (P<0.001), significantly prolonged escape latency (P<0.05) and increased swimming distance (P<0.01) with ultrastructural damage of pancreatic β cells and in the hippocampus; GIP and GLP-1 contents in the hippocampus (P<0.01) and SOD activity in the brain were significantly decreased (P<0.05) and MDA content was significantly increased in the model group (P<0.05). Compared with the model group, nicorandil treatment did not cause significant changes in fasting blood glucose, but significantly reduced the swimming distance (P<0.05); nicorandil did not improve the ultrastructural changes in pancreatic β cells but obviously improved the ultrastructures of hippocampal neurons and synapses. Nicorandil also significantly increased the contents of GIP and GLP-1 in the hippocampus (P<0.05), enhanced SOD activity (P<0.05) and decreased MDA level (P<0.01) in the brain tissue. CONCLUSION Nicorandil improves cognitive dysfunction in mice with STZ-induced diabetes by increasing GIP and GLP-1 contents in the hippocampus and promoting antioxidation to relieve hippocampal injury.
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Affiliation(s)
- 文慧 颜
- 西安交通大学医学部 基础医学院药理学系 陕西 西安 710061Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - 纯茜 张
- 西安交通大学医学部 临床医学系,陕西 西安 710061Department of Clinical Medicine, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - 通 邢
- 西安交通大学医学部 临床医学系,陕西 西安 710061Department of Clinical Medicine, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - 雪 宫
- 西安交通大学医学部 临床医学系,陕西 西安 710061Department of Clinical Medicine, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - 宇轩 杨
- 西安交通大学医学部 临床医学系,陕西 西安 710061Department of Clinical Medicine, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - 亦诺 李
- 西安交通大学医学部 临床医学系,陕西 西安 710061Department of Clinical Medicine, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - 玄 刘
- 西安交通大学医学部 临床医学系,陕西 西安 710061Department of Clinical Medicine, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - 阿依江·加马力丁
- 西安交通大学医学部 临床医学系,陕西 西安 710061Department of Clinical Medicine, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - 叶 郁
- 西安交通大学医学部 基础医学院药理学系 陕西 西安 710061Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - 萌 张
- 西安交通大学医学部 基础医学院药理学系 陕西 西安 710061Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - 莉娜 陈
- 西安交通大学医学部 基础医学院药理学系 陕西 西安 710061Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
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89
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Muehlberg F, Funk S, Zange L, von Knobelsdorff-Brenkenhoff F, Blaszczyk E, Schulz A, Ghani S, Reichardt A, Reichardt P, Schulz-Menger J. Native myocardial T1 time can predict development of subsequent anthracycline-induced cardiomyopathy. ESC Heart Fail 2018; 5:620-629. [PMID: 29673122 PMCID: PMC6073029 DOI: 10.1002/ehf2.12277] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 01/19/2018] [Accepted: 01/30/2018] [Indexed: 02/06/2023] Open
Abstract
Aims This study aims to assess subclinical changes in functional and morphological myocardial magnetic resonance parameters very early into an anthracycline treatment, which may predict subsequent development of anthracycline‐induced cardiomyopathy (aCMP). Methods and results Thirty sarcoma patients with planned anthracycline‐based chemotherapy (360–400 mg/m2 doxorubicin‐equivalent) were recruited. Median treatment time was 19.1 ± 2.1 weeks. Enrolled individuals received three cardiovascular magnetic resonance studies (before treatment, 48 h after first anthracycline treatment, and upon completion of treatment). Native T1 mapping (modified Look–Locker inversion recovery 5s(3s)3s), T2 mapping, and extracellular volume maps were acquired in addition to a conventional cardiovascular magnetic resonance with steady‐state free precession cine imaging at 1.5 T. Patients were given 0.2 mmol/kg gadoteridol for extracellular volume quantification and late gadolinium enhancement imaging. Development of relevant aCMP was defined as drop of left ventricular ejection fraction (LVEF) by >10%. For analysis, 23 complete data sets were available. Nine patients developed aCMP with LVEF reduction >10% until end of chemotherapy. Baseline LVEF was not different between patients with and without subsequent aCMP. When assessed 48 h after first dose of antracyclines, patients with subsequent aCMP had significantly lower native myocardial T1 times compared with before therapy (1002.0 ± 37.9 vs. 956.5 ± 29.2 ms, P < 0.01) than patients who did not develop aCMP (990.9 ± 56.4 vs. 978.4 ± 57.4 ms, P > 0.05). Patients with aCMP had decreased left ventricular mass upon completion of therapy (86.9 ± 24.5 vs. 81.1 ± 22.3 g; P = 0.02), while patients without aCMP did not show a change in left ventricular mass (81.8 ± 21.0 vs. 79.2 ± 18.1 g; P > 0.05). No patient developed new myocardial scars or compact myocardial fibrosis under chemotherapy. Conclusions Early decrease of T1 times 48 h after first treatment with anthracyclines can predict the development of subsequent aCMP after completion of chemotherapy.
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Affiliation(s)
- Fabian Muehlberg
- Working Group on Cardiovascular Magnetic Resonance, Experimental and Clinical Research Center - a joint cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine, Berlin, Germany.,Department of Cardiology and Nephrology, HELIOS Hospital Berlin-Buch, Berlin, Germany
| | - Stephanie Funk
- Working Group on Cardiovascular Magnetic Resonance, Experimental and Clinical Research Center - a joint cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine, Berlin, Germany.,Department of Cardiology and Nephrology, HELIOS Hospital Berlin-Buch, Berlin, Germany
| | - Leonora Zange
- Working Group on Cardiovascular Magnetic Resonance, Experimental and Clinical Research Center - a joint cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine, Berlin, Germany.,Department of Cardiology and Nephrology, HELIOS Hospital Berlin-Buch, Berlin, Germany
| | - Florian von Knobelsdorff-Brenkenhoff
- Working Group on Cardiovascular Magnetic Resonance, Experimental and Clinical Research Center - a joint cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine, Berlin, Germany.,Department of Cardiology and Nephrology, HELIOS Hospital Berlin-Buch, Berlin, Germany.,Clinic Agatharied, Department of Cardiology, Ludwig-Maximilian University of Munich, Hausham, Germany
| | - Edyta Blaszczyk
- Working Group on Cardiovascular Magnetic Resonance, Experimental and Clinical Research Center - a joint cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine, Berlin, Germany.,Department of Cardiology and Nephrology, HELIOS Hospital Berlin-Buch, Berlin, Germany
| | - Alexander Schulz
- Working Group on Cardiovascular Magnetic Resonance, Experimental and Clinical Research Center - a joint cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine, Berlin, Germany.,Department of Cardiology and Nephrology, HELIOS Hospital Berlin-Buch, Berlin, Germany
| | - Saeed Ghani
- Department for Interdisciplinary Oncology and Sarcoma Center, HELIOS Hospital Berlin-Buch, Berlin, Germany
| | - Annete Reichardt
- Department for Interdisciplinary Oncology and Sarcoma Center, HELIOS Hospital Berlin-Buch, Berlin, Germany
| | - Peter Reichardt
- Department for Interdisciplinary Oncology and Sarcoma Center, HELIOS Hospital Berlin-Buch, Berlin, Germany
| | - Jeanette Schulz-Menger
- Working Group on Cardiovascular Magnetic Resonance, Experimental and Clinical Research Center - a joint cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine, Berlin, Germany.,Department of Cardiology and Nephrology, HELIOS Hospital Berlin-Buch, Berlin, Germany
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90
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Chemotherapeutic-Induced Cardiovascular Dysfunction: Physiological Effects, Early Detection-The Role of Telomerase to Counteract Mitochondrial Defects and Oxidative Stress. Int J Mol Sci 2018. [PMID: 29534446 PMCID: PMC5877658 DOI: 10.3390/ijms19030797] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Although chemotherapeutics can be highly effective at targeting malignancies, their ability to trigger cardiovascular morbidity is clinically significant. Chemotherapy can adversely affect cardiovascular physiology, resulting in the development of cardiomyopathy, heart failure and microvascular defects. Specifically, anthracyclines are known to cause an excessive buildup of free radical species and mitochondrial DNA damage (mtDNA) that can lead to oxidative stress-induced cardiovascular apoptosis. Therefore, oncologists and cardiologists maintain a network of communication when dealing with patients during treatment in order to treat and prevent chemotherapy-induced cardiovascular damage; however, there is a need to discover more accurate biomarkers and therapeutics to combat and predict the onset of cardiovascular side effects. Telomerase, originally discovered to promote cellular proliferation, has recently emerged as a potential mechanism to counteract mitochondrial defects and restore healthy mitochondrial vascular phenotypes. This review details mechanisms currently used to assess cardiovascular damage, such as C-reactive protein (CRP) and troponin levels, while also unearthing recently researched biomarkers, including circulating mtDNA, telomere length and telomerase activity. Further, we explore a potential role of telomerase in the mitigation of mitochondrial reactive oxygen species and maintenance of mtDNA integrity. Telomerase activity presents a promising indicator for the early detection and treatment of chemotherapy-derived cardiac damage.
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91
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Xiong C, Wu YZ, Zhang Y, Wu ZX, Chen XY, Jiang P, Guo HC, Xie KR, Wang KX, Su SW. Protective effect of berberine on acute cardiomyopathy associated with doxorubicin treatment. Oncol Lett 2018; 15:5721-5729. [PMID: 29552206 PMCID: PMC5840547 DOI: 10.3892/ol.2018.8020] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 12/22/2017] [Indexed: 12/27/2022] Open
Abstract
Doxorubicin (DOX) is a potent and broad-spectrum anthracycline chemotherapeutic agent, but dose-dependent cardiotoxic side effects limit its clinical application. This toxicity is closely associated with the generation of reactive oxygen species (ROS) radical during DOX metabolism. The present study investigated the effects of Berberine (Ber) on DOX-induced acute cardiac injury in a rat model and analysed its mechanism in cardiomyocytes in vitro. Serum creatine kinase (CK), creatine kinase isoenzyme (CK-MB) and malondialdehyde (MDA) levels were significantly increased in the DOX group compared with the control group. This increase was accompanied by cardiac histopathological injury and a decrease in cardiomyocyte superoxide dismutase (SOD) and catalase (CAT). CK, CK-MB and MDA levels decreased and SOD and CAT levels increased in the Ber-treated group compared to the DOX group. Ber ameliorated the DOX-induced increase in cytosolic calcium concentration ([Ca2+]i), attenuated mitochondrial Ca2+ overload and restored the DOX-induced loss of mitochondrial membrane potential in vitro. These results demonstrated that Ber exhibited protective effects against DOX-induced heart tissue free radical injury, potentially via the inhibition of intracellular Ca2+ elevation and attenuation of mitochondrial dysfunction.
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Affiliation(s)
- Chen Xiong
- Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China.,Key Laboratory of Pharmacology and Toxicology for New Drugs, Department of Pharmacology, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
| | - Yan-Zhao Wu
- Department of Otorhinolaryngology-Head and Neck Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Yu Zhang
- Center for Reproductive Medicine, Family Planning Scientific and Technical Institution of Hebei Province, Shijiazhuang, Hebei 050000, P.R. China
| | - Zi-Xiao Wu
- Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China.,Key Laboratory of Pharmacology and Toxicology for New Drugs, Department of Pharmacology, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
| | - Xue-Yan Chen
- Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China.,Key Laboratory of Pharmacology and Toxicology for New Drugs, Department of Pharmacology, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
| | - Ping Jiang
- Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China.,Key Laboratory of Pharmacology and Toxicology for New Drugs, Department of Pharmacology, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
| | - Hui-Cai Guo
- Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China.,Key Laboratory of Pharmacology and Toxicology for New Drugs, Department of Pharmacology, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
| | - Ke-Rang Xie
- Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China.,Key Laboratory of Pharmacology and Toxicology for New Drugs, Department of Pharmacology, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
| | - Ke-Xin Wang
- Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China.,Key Laboratory of Pharmacology and Toxicology for New Drugs, Department of Pharmacology, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
| | - Su-Wen Su
- Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China.,Key Laboratory of Pharmacology and Toxicology for New Drugs, Department of Pharmacology, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
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92
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Flor AC, Wolfgeher D, Wu D, Kron SJ. A signature of enhanced lipid metabolism, lipid peroxidation and aldehyde stress in therapy-induced senescence. Cell Death Discov 2017; 3:17075. [PMID: 29090099 PMCID: PMC5661608 DOI: 10.1038/cddiscovery.2017.75] [Citation(s) in RCA: 92] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 08/01/2017] [Accepted: 09/13/2017] [Indexed: 12/22/2022] Open
Abstract
At their proliferative limit, normal cells arrest and undergo replicative senescence, displaying large cell size, flat morphology, and senescence-associated beta-galactosidase (SA-β-Gal) activity. Normal or tumor cells exposed to genotoxic stress undergo therapy-induced senescence (TIS), displaying a similar phenotype. Senescence is considered a DNA damage response, but cellular heterogeneity has frustrated identification of senescence-specific markers and targets. To explore the senescent cell proteome, we treated tumor cells with etoposide and enriched SA-β-GalHI cells by fluorescence-activated cell sorting (FACS). The enriched TIS cells were compared to proliferating or quiescent cells by label-free quantitative LC-MS/MS proteomics and systems analysis, revealing activation of multiple lipid metabolism pathways. Senescent cells accumulated lipid droplets and imported lipid tracers, while treating proliferating cells with specific lipids induced senescence. Senescent cells also displayed increased lipid aldehydes and upregulation of aldehyde detoxifying enzymes. These results place deregulation of lipid metabolism alongside genotoxic stress as factors regulating cellular senescence.
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Affiliation(s)
- Amy C Flor
- Department of Molecular Genetics and Cell Biology and Ludwig Center for Metastasis Research, The University of Chicago, Chicago, IL, USA
| | - Don Wolfgeher
- Department of Molecular Genetics and Cell Biology and Ludwig Center for Metastasis Research, The University of Chicago, Chicago, IL, USA
| | - Ding Wu
- Department of Molecular Genetics and Cell Biology and Ludwig Center for Metastasis Research, The University of Chicago, Chicago, IL, USA
| | - Stephen J Kron
- Department of Molecular Genetics and Cell Biology and Ludwig Center for Metastasis Research, The University of Chicago, Chicago, IL, USA
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93
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Almutairi MM, Alanazi WA, Alshammari MA, Alotaibi MR, Alhoshani AR, Al-Rejaie SS, Hafez MM, Al-Shabanah OA. Neuro-protective effect of rutin against Cisplatin-induced neurotoxic rat model. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 17:472. [PMID: 28962559 PMCID: PMC5622464 DOI: 10.1186/s12906-017-1976-9] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 09/14/2017] [Indexed: 12/27/2022]
Abstract
Background Cisplatin is widely used chemotherapeutic agent for cancer treatment with limited uses due to its neurotoxic side effect. The aim of this study was to determine the potential preventive effects of rutin on the brain of cisplatin- neurotoxic rat model. Methods Forty rats were divided into four groups. Group-1 (control group) was intra-peritoneal (IP) injected with 2.5 ml/kg saline. Group-2 (rutin group) was orally administrated 30 mg/kg rutin dissolved in water for 14 days. Group-3 (cisplatin group) was IP received 5 mg/kg cisplatin single dose. Group-4 (rutin and cisplatin group) was orally administrated 30 mg/kg rutin dissolved in water for 14 days with a single dose of 5 mg/kg cisplatin IP on day ten. Brain tissues from frontal cortex was used to extract RNA, the gene expression levels of paraoxonase-1 (PON-1), PON-2, PON-3, peroxisome proliferator-activated receptor delta (PPAR-δ), and glutathione peroxidase (GPx) was investigated by Real-time PCR. Results Cisplatin significantly decreased the expression levels of PON-1, PON-3, PPAR-δ and GPX whereas significantly increased PON-2 expression levels. Co-administration of Rutin prevented the cisplatin-induced toxicity by restoring the alteration in the studied genes to normal values as in the control group. Conclusion This study showed that Rutin has neuroprotective effect and reduces cisplatin- neurotoxicity with possible mechanism via the antioxidant pathway.
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Cheruku SP, Ramalingayya GV, Chamallamudi MR, Biswas S, Nandakumar K, Nampoothiri M, Gourishetti K, Kumar N. Catechin ameliorates doxorubicin-induced neuronal cytotoxicity in in vitro and episodic memory deficit in in vivo in Wistar rats. Cytotechnology 2017; 70:245-259. [PMID: 28900743 DOI: 10.1007/s10616-017-0138-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Accepted: 09/02/2017] [Indexed: 12/13/2022] Open
Abstract
Cognitive dysfunction by chemotherapy compromises the quality of life in cancer patients. Tea polyphenols are known chemopreventive agents. The present study was designed to evaluate the neuroprotective potential of (+) catechin hydrate (catechin), a tea polyphenol, in IMR-32 neuroblastoma cells in vitro and alleviation of episodic memory deficit in Wistar rats in vivo against a widely used chemotherapeutic agent, Doxorubicin (DOX). In vitro, neuroprotective studies were assessed in undifferentiated IMR-32 cells using percentage viability and in differentiated cells by neurite length. These studies showed catechin increased percentage viability of undifferentiated IMR-32 cells. Catechin pretreatment also showed an increase in neurite length of differentiated cells. In vivo neuroprotection of catechin was evaluated using novel object recognition task in time-induced memory deficit model at 50, 100 and 200 mg/kg dose and DOX-induced memory deficit models at 100 mg/kg dose. The latter model was developed by injection of DOX (2.5 mg/kg, i.p.) in 10 cycles over 50 days in Wistar rats. Catechin showed a significant reversal of time-induced memory deficit in a dose-dependent manner and prevention of DOX-induced memory deficit at 100 mg/kg. In addition, catechin treatment showed a significant decrease in oxidative stress, acetylcholine esterase and neuroinflammation in the hippocampus and cerebral cortex in DOX-induced toxicity model. Hence, catechin may be a potential adjuvant therapy for the amelioration of DOX-induced cognitive impairment which may improve the quality of life of cancer survivors. This improvement might be due to the elevation of antioxidant defense, prevention of neuroinflammation and inhibition of acetylcholine esterase enzyme.
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Affiliation(s)
- Sri Pragnya Cheruku
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal University, Manipal, Karnataka, 576104, India
| | - Grandhi Venkata Ramalingayya
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal University, Manipal, Karnataka, 576104, India
| | - Mallikarjuna Rao Chamallamudi
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal University, Manipal, Karnataka, 576104, India
| | - Subhankar Biswas
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal University, Manipal, Karnataka, 576104, India
| | - Krishnadas Nandakumar
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal University, Manipal, Karnataka, 576104, India
| | - Madhavan Nampoothiri
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal University, Manipal, Karnataka, 576104, India
| | - Karthik Gourishetti
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal University, Manipal, Karnataka, 576104, India
| | - Nitesh Kumar
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal University, Manipal, Karnataka, 576104, India.
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