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Akdogan N, Elcin G, Kiraz S. Bizarre Cutaneous Ulcers due to Self-Administered Intravenous Dexketoprofen Trometamol. INT J LOW EXTR WOUND 2023; 22:788-791. [PMID: 35037506 DOI: 10.1177/15347346221074158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Systemic non-steroidal anti-inflammatory drug use may result in various cutaneous complications including maculopapular rash, fixed drug eruption, urticaria, and angioedema most frequently. However extensive cutaneous ulcers in relation to intravenous dexketoprofen trometamol use has not been identified before although cutaneous ulcers have been described in association with several opioids. Herein, we would like to present a 27-year-old male with a 1-year history of progressive deep cutaneous ulcers due to long term abusive intravenous use of dexketoprofen trometamol.
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2
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Paul I, Roy A, Ray S. Molecular Design of Novel Inhibitor by Targeting IL-6Rα using Combined Pharmacophore and Experimentally Verified Plant Products with Scaffold-Hopping Techniques: A Dual Therapeutic Strategy for COVID-19 and Cancer. Chem Biodivers 2023; 20:e202300806. [PMID: 37967248 DOI: 10.1002/cbdv.202300806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 11/12/2023] [Accepted: 11/13/2023] [Indexed: 11/17/2023]
Abstract
The IL-6/IL-6R/gp130 complex serves as a significant indicator of cytokine release syndrome in COVID-19 and chronic inflammation, increasing the risk of cancer. Therefore, we identified IL-6Rα as a potential target to block gp130 interaction. Notably, there has been no reception of approval for an orally available drug to serve this purpose, to date. In this study, we targeted IL-6Rα to inhibit IL-6Rα/gp130 interaction. The selection of the lead candidate L821 involved the amalgamation of three drug discovery approaches. This library was screened employing tertiary structure-based pharmacophore models followed by molecular docking models, scaffold-hopping, MM/PBSA as well as MM/GBSA analysis, and assessments of pKi and ADMET properties. After evaluating the binding interactions with key amino acids, 15 potential ligands were chosen, with the top ligand undergoing further investigation by means of molecular dynamics simulations. Considering the stability of the complexes, the strong interactions observed between ligand and residues of IL-6Rα/gp130, and the favorable binding free energy calculations, L821 emerged as the prime candidate for inhibiting IL-6Rα. Notably, L821 exhibited a docking-based binding affinity of -9.5 kcal/mol. Our study presents L821 as a promising inhibitor for future in vitro analysis, potentially combatting SARS-CoV-2-related cytokine storms and serving as an oncogenic drug therapy.
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Affiliation(s)
- Ishani Paul
- Amity Institute of Biotechnology, Amity University, Kolkata, India
| | - Alankar Roy
- Amity Institute of Biotechnology, Amity University, Kolkata, India
| | - Sujay Ray
- Amity Institute of Biotechnology, Amity University, Kolkata, India
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3
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Yellinedi R, Damalachervu MR, Nuvvula R, Thammineedi SR. Management of Epirubicin Extravasation Injuries of the Hand with Debridement and Flap Cover-A Case Series. Indian J Plast Surg 2023; 56:439-442. [PMID: 38026779 PMCID: PMC10673704 DOI: 10.1055/s-0043-1774787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023] Open
Abstract
Chemotherapy extravasation injury is an iatrogenic injury due to extravasation of the drug from the vessel during infusion therapy. Among various chemotherapeutic drugs, DNA binding vesicants like epirubicin and doxorubicin can lead to extensive tissue necrosis following extravasation. They are commonly used in many chemotherapy regimens including those for carcinoma breast. We present our case series in the management of these wounds with aggressive debridement and regional (pedicled groin)/free flaps (superficial circumflex iliac artery perforator, lateral arm) for cover in five patients. All flaps healed well with patient returning to further treatment in 3 to 4 weeks post-surgery with preservation of hand function. Thus, early recognition of the type of drug that has extravasated is crucial. Regional and free flaps are superior to local flaps because there are no extra incisions and grafts on the limb that has already been injured.
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Affiliation(s)
- Rajesh Yellinedi
- Department of Plastic and Reconstructive Surgery, Basavatarakam Indo American Cancer Hospital and Research Institute (BIACH&RI), Hyderabad, Telangana, India
| | - Mukunda Reddy Damalachervu
- Department of Plastic and Reconstructive Surgery, Basavatarakam Indo American Cancer Hospital and Research Institute (BIACH&RI), Hyderabad, Telangana, India
| | - Rambabu Nuvvula
- Department of Plastic and Reconstructive Surgery, Basavatarakam Indo American Cancer Hospital and Research Institute (BIACH&RI), Hyderabad, Telangana, India
| | - Subramanyeshwar Rao Thammineedi
- Department of Surgical Oncology, Basavatarakam Indo American Cancer Hospital and Research Institute (BIACH&RI), Hyderabad, Telangana, India
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4
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Chiu CF, Lin YQ, Park JM, Chen YC, Hung SW, Chiu CC, Chang CF. The novel camptothecin derivative, CPT211, induces cell cycle arrest and apoptosis in models of human breast cancer. Biomed Pharmacother 2020; 128:110309. [PMID: 32505820 DOI: 10.1016/j.biopha.2020.110309] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 05/11/2020] [Accepted: 05/20/2020] [Indexed: 01/12/2023] Open
Abstract
OBJECTIVE Breast cancer is the second leading cause of cancer deaths in women worldwide and represents a highly aggressive nature with limited therapeutic options; thus, investigating novel therapeutic agents for breast cancer is much needed. In this study, we investigated the anticancer effects of a novel camptothecin derivative, CPT211, against human breast cancer. METHODS We used hormone receptor-positive MCF-7, triple-negative (TNBC) MDA-MB-231, and HER2-positive BT-474 human breast cancer cells to examine cytotoxicity of CPT211. We measured cell viability with dose dependence of CPT211 treatments by an MTT assay and investigated the potential underlying mechanism through flow cytometric and Western blot methods. Furthermore, we evaluated the efficacy of the treatment combination of CPT211 and doxorubicin in a mouse model bearing MDA-MB-231 xenografts. RESULTS CPT211 treatment led to dose-dependent decreases in cell viability of both MCF-7 and MDA-MB-231 cells, but not BT-474 cells. Analysis of the underlying molecular mechanism revealed that CPT211 activated p53-mediated apoptosis, by triggering intrinsic and extrinsic apoptotic pathways in MCF-7 cells. Additionally, CPT211 induced apoptosis and cell cycle arrest of MDA-MB-231 cells by activating Fas/FADD/caspase-8 signaling, suggesting that CPT211-mediated MDA-MB-231 cell apoptosis may occur through an extrinsic apoptosis pathway. CPT211 treatment with doxorubicin in mice bearing MDA-MB-231 xenografts was shown to enhance caspase-8 and caspase-7 activation, resulting in significant inhibition of tumor growth. CONCLUSIONS These results indicate that Fas/FADD/caspase-8 activation plays an important role in CPT211-mediated tumor growth suppression in TNBC, and the novel camptothecin derivative, CPT211, can be exploited for specific targeted therapies and potentially improve approaches to combination treatments for human breast cancer.
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Affiliation(s)
- Ching-Feng Chiu
- Graduate Institute of Metabolism and Obesity Sciences, College of Nutrition, Taipei Medical University, Taipei, 11031, Taiwan; TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei, 11031, Taiwan; Nutrition Research Center, Taipei Medical University Hospital, Taipei, 11031, Taiwan
| | - Yu-Qiang Lin
- Graduate Institute of Basic Medical Sciences, China Medical University, Taichung, 40402, Taiwan
| | - Ji Min Park
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei, 11031, Taiwan
| | - Yung-Chia Chen
- Department of Anatomy, School of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Shao-Wen Hung
- Division of Animal Industry, Animal Technology Laboratories, Agricultural Technology Research Institute, Hsinchu 300110, Taiwan; Department of Nursing, Yuanpei University of Medical Technology, Xiangshan, Hsinchu 300102, Taiwan
| | - Chien-Chao Chiu
- Division of Animal Industry, Animal Technology Laboratories, Agricultural Technology Research Institute, Hsinchu 300110, Taiwan
| | - Chi-Fen Chang
- Department of Anatomy, School of Medicine, China Medical University, Taichung, 40402, Taiwan.
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5
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Galal AMF, Soltan MM, Ahmed ER, Hanna AG. Synthesis and biological evaluation of novel 5-chloro- N-(4-sulfamoylbenzyl) salicylamide derivatives as tubulin polymerization inhibitors. MEDCHEMCOMM 2018; 9:1511-1528. [PMID: 30288225 PMCID: PMC6148682 DOI: 10.1039/c8md00214b] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Accepted: 07/15/2018] [Indexed: 12/28/2022]
Abstract
A novel series of sulfonamide derivatives, coupled with a salicylamide scaffold, was designed and synthesized. The structures of the synthesized compounds were established using 1H NMR, 13C NMR and high-resolution mass spectroscopy. The synthesized compounds were tested in vitro against five types of human cell lines. Two were breast adenocarcinoma, including the hormone-dependent MCF-7 and the hormone-independent MDA-MB-231. The others were the colorectal adenocarcinoma Caco-2, the carcinoma HCT-116 and the immortalized retinal-pigmented epithelium, hTERT-RPE1. Nine sulfonamides were able to inhibit the growth of the four tested cancer cells. Compound 33 was the most active against the selected colon cancer (Caco-2 and HCT-116) subtypes, while compound 24 showed the best efficacy against the examined breast cancer (MCF-7 and MDA-MB-231) cells. The selectivity index introduced compounds 24 and 33 as having the best selectivity among the breast and colon subtypes, respectively. In vitro tubulin polymerization experiments and flow cytometric assays showed that compounds 24 and 33 led to cell cycle arrest at the G2/M phase in a dose-dependent manner by effectively inhibiting tubulin polymerization. Furthermore, the results of the molecular docking studies indicate that this class of compounds can bind to the colchicine-binding site of tubulin.
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Affiliation(s)
- Alaaeldin M F Galal
- Chemistry of Natural Compounds Department , Pharmaceutical and Drug Industries Research Division , National Research Centre , 33 El Bohouth St. (former El Tahir St.) , Dokki , Giza , 12622 Egypt .
| | - Maha M Soltan
- Biology unit , Central Laboratory for Pharmaceutical and Drug Industries Research Division , Chemistry of Medicinal Plants Department , Pharmaceutical and Drug Industries Research Division , National Research Centre , 33 El Bohouth St. 33 , Dokki , Giza 12622 , Egypt
| | - Esam R Ahmed
- Confirmatory Diagnostic unit , Vacsera , Giza , Egypt
| | - Atef G Hanna
- Chemistry of Natural Compounds Department , Pharmaceutical and Drug Industries Research Division , National Research Centre , 33 El Bohouth St. (former El Tahir St.) , Dokki , Giza , 12622 Egypt .
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Song X, Lee DH, Dilly AK, Lee YS, Choudry HA, Kwon YT, Bartlett DL, Lee YJ. Crosstalk Between Apoptosis and Autophagy Is Regulated by the Arginylated BiP/Beclin-1/p62 Complex. Mol Cancer Res 2018; 16:1077-1091. [PMID: 29669822 DOI: 10.1158/1541-7786.mcr-17-0685] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 02/23/2018] [Accepted: 04/13/2018] [Indexed: 01/21/2023]
Abstract
Emerging evidence demonstrates that autophagy and apoptosis are interconnected and their interplay greatly affects cell death. However, the key regulators in this crosstalk remain elusive. Therefore, the role of N-terminal arginylated BiP (R-BiP)/Beclin-1/p62 complex was examined in the crosstalk between apoptosis and autophagy during combination chemotherapy with mitomycin C and bortezomib using immunoblot, immunoprecipitation, and cellular imaging assays in wild-type (WT) and genetically engineered colorectal cancer cells. In addition, the tumoricidal efficacy of the combinatorial treatment in a nude mouse tumor xenograft model of colorectal cancer was assessed. Bortezomib combined with mitomycin C synergistically induced cytotoxicity and apoptosis rather than autophagy. Mechanistically, this combination inactivated Akt and subsequently induced Beclin-1 (BECN1) dephosphorylation at Ser 234/295. Dephosphorylation of Beclin-1 resulted in increased cleavage of Beclin-1 and disruption of the R-BiP/Beclin-1/p62 complex, which led to switching autophagy to the synergistic induction of apoptosis. Importantly, the combination significantly suppressed LS174T intraperitoneal xenograft tumor growth, induced Akt inactivation and Beclin-1 cleavage, and decreased autophagy in vivo Moreover, the tumoricidal efficacy of the combinatorial treatment was less effective, in vitro and in vivo, in HCT116 tumors harboring a Beclin-1 caspase 8 cleavage site mutant knock-in.Implications: This study uncovers that the R-BiP/Beclin-1/p62 complex has an important role in the crosstalk between apoptosis and autophagy. The results also propose how mono-drug resistance can be overcome using potent combinations to improve anticancer therapy. Mol Cancer Res; 16(7); 1077-91. ©2018 AACR.
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Affiliation(s)
- Xinxin Song
- Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Dae-Hee Lee
- Division of Medical Oncology, Department of Internal Medicine, Korea University College of Medicine, Korea University, Seoul, Republic of Korea.,Brain Korea 21 Program for Biomedicine Science, Korea University College of Medicine, Korea University, Seoul, Republic of Korea
| | - Ashok-Kumar Dilly
- Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Young-Sun Lee
- Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Haroon Asif Choudry
- Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Yong Tae Kwon
- Protein Metabolism Medical Research Center and Department of Biomedical Science, College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - David L Bartlett
- Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Yong J Lee
- Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
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Valproic Acid Induces Endocytosis-Mediated Doxorubicin Internalization and Shows Synergistic Cytotoxic Effects in Hepatocellular Carcinoma Cells. Int J Mol Sci 2017; 18:ijms18051048. [PMID: 28498322 PMCID: PMC5454960 DOI: 10.3390/ijms18051048] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 05/03/2017] [Accepted: 05/08/2017] [Indexed: 02/07/2023] Open
Abstract
Valproic acid (VPA), a well-known histone deacetylase (HDAC) inhibitor, is used as an anti-cancer drug for various cancers, but the synergistic anti-cancer effect of VPA and doxorubicin (DOX) combination treatment and its potential underlying mechanism in hepatocellular carcinoma (HCC) remain to be elucidated. Here, we evaluate the mono- and combination-therapy effects of VPA and DOX in HCC and identify a specific and efficient, synergistic anti-proliferative effect of the VPA and DOX combination in HCC cells, especially HepG2 cells; this effect was not apparent in MIHA cells, a normal hepatocyte cell line. The calculation of the coefficient of drug interaction confirmed the significant synergistic effect of the combination treatment. Concurrently, the synergistic apoptotic cell death caused by the VPA and DOX combination treatment was confirmed by Hoechst nuclear staining and Western blot analysis of caspase-3 and poly (ADP-ribose) polymerase (PARP) activation. Co-treatment with VPA and DOX enhanced reactive oxygen species (ROS) generation and autophagy, which were clearly attenuated by ROS and autophagy inhibitors, respectively. Furthermore, as an indication of the mechanism underlying the synergistic effect, we observed that DOX internalization, which was induced in the VPA and DOX combination-treated group, occurred via by the caveolae-mediated endocytosis pathway. Taken together, our study uncovered the potential effect of the VPA and DOX combination treatment with regard to cell death, including induction of cellular ROS, autophagy, and the caveolae-mediated endocytosis pathway. Therefore, these results present novel implications in drug delivery research for the treatment of HCC.
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Guerriero E, Sorice A, Capone F, Storti G, Colonna G, Ciliberto G, Costantini S. Combining doxorubicin with a phenolic extract from flaxseed oil: Evaluation of the effect on two breast cancer cell lines. Int J Oncol 2017; 50:468-476. [PMID: 28101573 DOI: 10.3892/ijo.2017.3835] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Accepted: 07/29/2016] [Indexed: 11/05/2022] Open
Abstract
Breast cancer is one of the most frequently diagnosed forms of cancer and different treatments are used to block its progression. However, it still represents a very common cause of death in women. Doxorubicin (Dox) is reported as an effective agent in breast cancer treatment nonetheless it induces many side‑effects. For this reason, many laboratories are engaged in understanding how it is possible to decrease the drug concentration, considering that one of the possible solutions is to use drug synergy, combining it with natural substances. Recently we showed that a phenolic extract from flaxseed (FS) oil, named PEFSO, induced on MCF‑7 cell line an increase of apoptosis with related modification of G0/G1 phase cell cycle, and the activation of signaling and pro‑oxidant pathways. In this study we present data on the combined effect of Dox and PEFSO on two different breast cancer cell lines to define the conditions to use lower doses of this chemotherapeutic agent. We report the data relating to the ability of this mixture to induce cytotoxicity and apoptosis, cell cycle modification, mitochondrial membrane depolarization and activation of extrinsic and/or intrinsic apoptotic pathway.
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Affiliation(s)
- Eliana Guerriero
- CROM, Istituto Nazionale Tumori 'Fondazione G. Pascale' ‑ IRCCS, Naples, Italy
| | - Angela Sorice
- CROM, Istituto Nazionale Tumori 'Fondazione G. Pascale' ‑ IRCCS, Naples, Italy
| | - Francesca Capone
- CROM, Istituto Nazionale Tumori 'Fondazione G. Pascale' ‑ IRCCS, Naples, Italy
| | | | - Giovanni Colonna
- Medical Informatics Service, University Hospital, Second University of Naples, Naples, Italy
| | - Gennaro Ciliberto
- Scientific Direction, Istituto Nazionale Tumori 'Fondazione G. Pascale' ‑ IRCCS, Naples, Italy
| | - Susan Costantini
- CROM, Istituto Nazionale Tumori 'Fondazione G. Pascale' ‑ IRCCS, Naples, Italy
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Rai G, Mishra S, Suman S, Shukla Y. Resveratrol improves the anticancer effects of doxorubicin in vitro and in vivo models: A mechanistic insight. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2016; 23:233-242. [PMID: 26969377 DOI: 10.1016/j.phymed.2015.12.020] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 12/29/2015] [Accepted: 12/31/2015] [Indexed: 06/05/2023]
Abstract
BACKGROUND Resveratrol (RSVL), a well known dietary compound and in combination with doxorubicin (DOX) has gained a global importance for cancer prevention. However, mechanism of action by this combination is not well understood till date. HYPOTHESIS The synergistic combination of RSVL and DOX might be more effective in anti-cancer activity by modulating the diverse cancer signaling pathways as compared to their alone treatments. METHODS The cytotoxicity of alone and combination doses of RSVL and DOX were analyzed by colorimetric MTT(3-(4,5-Dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium Bromide) cell proliferation assay. The migration and colony forming abilities were evaluated by wound healing and clonogenic assays. Apoptosis was detected by Annexin V/PI and DAPI stainings. The cell cycle and intracellular reactive oxygen species (ROS) generation were measured by flow cytometry. The differential expression of genes and proteins were measured by qRT-PCR and western blotting analyses. Finally, in-vivo studies were performed in Ehrlich ascitic carcinoma (EAC) mouse model. RESULTS The synergistic combination of DOX (IC20) and RSVL (IC30) was selected based on the combination index values in MCF-7 and MDA-MB-231 cell lines. This combination showed potent growth inhibition with ∼2.5 fold of dose advantage and also significantly decreased the wound healing and clonogenic potential of breast cancer cells. The combination treatment was also found to inhibit the inflammatory response (NF-kB, COX-2), autophagic flux (LC3, Beclin-1), redox regulation (Nrf2) and induces apoptosis (BAX: BCL-2 ratio and Caspase-9) in breast cancer cells. Further, combined dosages of DOX (5 mg/kg b.wt) and RSVL (10 mg/kg b.wt) inhibited tumor volume with increased life span (139%, p value<0.05) in Ehrlich ascitic carcinoma (EAC) cells bearing mice. CONCLUSION In brief, our results suggested that resveratrol chemosensitizes doxorubicin in combination, through inhibiting breast cancer cells proliferation and invasion, and inducing apoptosis via suppression of chronic inflammation and autophagy.
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Affiliation(s)
- Girish Rai
- Proteomics and Environmental Carcinogenesis Laboratory, Food, Drug and Chemical Toxicology Group, CSIR-Indian Institute of Toxicology Research, M.G. Marg, Lucknow, Uttar Pradesh 226001, India; Academy of scientific and Innovative Research (AcSIR) CSIR-IITR Campus, Lucknow, Uttar Pradesh 226001, India
| | - Sanjay Mishra
- Proteomics and Environmental Carcinogenesis Laboratory, Food, Drug and Chemical Toxicology Group, CSIR-Indian Institute of Toxicology Research, M.G. Marg, Lucknow, Uttar Pradesh 226001, India; Academy of scientific and Innovative Research (AcSIR) CSIR-IITR Campus, Lucknow, Uttar Pradesh 226001, India
| | - Shankar Suman
- Proteomics and Environmental Carcinogenesis Laboratory, Food, Drug and Chemical Toxicology Group, CSIR-Indian Institute of Toxicology Research, M.G. Marg, Lucknow, Uttar Pradesh 226001, India; Academy of scientific and Innovative Research (AcSIR) CSIR-IITR Campus, Lucknow, Uttar Pradesh 226001, India
| | - Yogeshwer Shukla
- Proteomics and Environmental Carcinogenesis Laboratory, Food, Drug and Chemical Toxicology Group, CSIR-Indian Institute of Toxicology Research, M.G. Marg, Lucknow, Uttar Pradesh 226001, India; Academy of scientific and Innovative Research (AcSIR) CSIR-IITR Campus, Lucknow, Uttar Pradesh 226001, India.
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10
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Song X, Dilly AK, Choudry HA, Bartlett DL, Kwon YT, Lee YJ. Hypoxia Promotes Synergy between Mitomycin C and Bortezomib through a Coordinated Process of Bcl-xL Phosphorylation and Mitochondrial Translocation of p53. Mol Cancer Res 2015; 13:1533-43. [PMID: 26354682 DOI: 10.1158/1541-7786.mcr-15-0237] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 08/24/2015] [Indexed: 11/16/2022]
Abstract
UNLABELLED Colorectal peritoneal carcinomatosis (CPC) exhibits severe tumor hypoxia, leading to drug resistance and disease aggressiveness. This study demonstrates that the combination of the chemotherapeutic agent mitomycin C with the proteasome inhibitor bortezomib induced synergistic cytotoxicity and apoptosis, which was even more effective under hypoxia in colorectal cancer cells. The combination of mitomycin C and bortezomib at sublethal doses induced activation of c-Jun NH2-terminal kinase and p38 mitogen-activated protein kinase and resulted in Bcl-xL phosphorylation at Serine 62, leading to dissociation of Bcl-xL from proapoptotic Bak. Interestingly, the intracellular level of p53 became elevated and p53 translocated to the mitochondria during the combinatorial treatment, in particular under hypoxia. The coordinated action of Bcl-xL phosphorylation and p53 translocation to the mitochondria resulted in conformational activation of Bak oligomerization, facilitating cytochrome c release and apoptosis induction. In addition, the combinatorial treatment with mitomycin C and bortezomib significantly inhibited intraperitoneal tumor growth in LS174T cells and increased apoptosis, especially under hypoxic conditions in vivo. This study provides a preclinical rationale for the use of combination therapies for CPC patients. IMPLICATIONS The combination of a chemotherapy agent and proteasome inhibitor at sublethal doses induced synergistic apoptosis, in particular under hypoxia, in vitro and in vivo through coordinated action of Bcl-xL and p53 on Bak activation.
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Affiliation(s)
- Xinxin Song
- Department of Surgery, University of Pittsburgh Cancer Institute, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Ashok-Kumar Dilly
- Department of Surgery, University of Pittsburgh Cancer Institute, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Haroon Asif Choudry
- Department of Surgery, University of Pittsburgh Cancer Institute, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - David L Bartlett
- Department of Surgery, University of Pittsburgh Cancer Institute, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Yong Tae Kwon
- Protein Metabolism Medical Research Center and Department of Biomedical Science, College of Medicine, Seoul National University, Seoul, Korea
| | - Yong J Lee
- Department of Surgery, University of Pittsburgh Cancer Institute, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania. Department of Pharmacology and Chemical Biology, University of Pittsburgh Cancer Institute, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
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11
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Harrold K. Managing cytotoxic chemotherapy extravasation: use of saline washout. BRITISH JOURNAL OF NURSING (MARK ALLEN PUBLISHING) 2015; 24:S36-7. [PMID: 25904536 DOI: 10.12968/bjon.2015.24.sup8.s36] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Florence Nightingale Foundation scholar Karen Harrold received funding to support her PhD exploring the patient experience of saline washout as a management strategy for chemotherapy extravasation. She discusses the focus of her thesis, the completion of phase one and looks ahead to phase two.
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Affiliation(s)
- Karen Harrold
- Chemotherapy & IV Access Advanced Nurse Practitioner, Mount Vernon Cancer Centre, Middlesex
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12
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Yan YM, Fan QL, Li AQ, Chen JL, Dong FF, Gong M. Treatment of cutaneous injuries of neonates induced by drug extravasation with hyaluronidase and hirudoid. IRANIAN JOURNAL OF PEDIATRICS 2014; 24:352-8. [PMID: 25755854 PMCID: PMC4339556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Accepted: 05/14/2014] [Indexed: 10/31/2022]
Abstract
OBJECTIVE To analyze the effects of hyaluronidase and hirudoid treatment on drug extravasation in neonates. METHODS The medical records of 13 neonates with drug extravasation treated with hyaluronidase and hirudoid between August 1(st), 2010 and May 1(st), 2012 were analyzed retrospectively. The treatment procedure for drug extravasation adhered to the protocol in neonatal department. The information including age, sex, weight, diagnosis, size of affected area, site of extravasation and treatment was collected. Findings : The extravasation injuries alleviated and the symptoms improved after treatment, no adverse drug effects were reported with use of hyaluronidase and hirudoid. CONCLUSION The treatment appeared to be beneficial in the management of extravasations of various medications in neonates and may be useful in reducing the severity of cutaneous toxicosis. However, further studies with large samples are still needed to assess the effectiveness and safety of hyaluronidase and hirudoid.
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Affiliation(s)
| | | | | | | | - Fei-Fei Dong
- Cardiac Intensive Care Unit, Shanghai Children’s Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Mei Gong
- Nursing Department,Corresponding Author: Address: Department of Nursing, Shanghai Children’s Hospital, Shanghai Jiao Tong University, NO.24, Lane 1400, West Beijing Road, Shanghai, China
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Vidall C, Roe H, Dougherty L, Harrold K. Dexrazoxane: a management option for anthracycline extravasations. ACTA ACUST UNITED AC 2013; 22:S6 -12. [DOI: 10.12968/bjon.2013.22.sup17.s6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Cheryl Vidall
- Past President United Kingdom Oncology Nurse Society (UKONS)
| | - Helen Roe
- Consultant Cancer Nurse at North Cumbria University Hospitals NHS Trust
| | - Lisa Dougherty
- Nurse Consultant IV Therapy at The Royal Marsden NHS Foundation Trust
| | - Karen Harrold
- Chemotherapy and IV Access Advanced Nurse Practitioner at Mount Vernon Cancer Centre
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14
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Harrold K, Gould D, Drey N. The efficacy of saline washout technique in the management of exfoliant and vesicant chemotherapy extravasation: a historical case series report. Eur J Cancer Care (Engl) 2013; 22:169-78. [PMID: 23320981 DOI: 10.1111/ecc.12023] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2012] [Indexed: 11/30/2022]
Abstract
This report presents the results from a historical case series of cytotoxic drug extravasations managed by saline washout; its purpose is to assess the efficacy of the procedure based on patient outcome. Eighty-nine patients were identified as having experienced a vesicant or exfoliant extravasation from incident reports filed over a 10-year period, from 1 April 2001 to 31 March 2011. Outcome was measured against the need for further surgical treatment being required. Of the 89 cases assessed for efficacy of saline washout one patient experienced a wound infection, which was treated effectively with oral antibiotics. There were no other complications reported and no patients required further treatment with surgical debridement. The majority of patients had no deferral of treatment as chemotherapy could be continued in their unaffected arm immediately following saline washout procedure. For patients where cannulation in their opposite arm for continuation of treatment was not advisable chemotherapy was delayed between 3 and 7 days. Hospitalisation as a result of the extravasation or subsequent treatment was not required in any of the 89 cases. Results indicate that saline washout technique is a safe and effective management strategy for the treatment of both vesicant and exfoliant chemotherapy extravasation.
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Affiliation(s)
- K Harrold
- Chemotherapy Unit, Mount Vernon Cancer Centre, Northwood, Middlesex, UK.
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Onesti MG, Fioramonti P, Fino P, Massera D, Amorosi V, Scuderi N. Skin ulcer caused by venous extravasation of heroin. Int Wound J 2012; 11:409-11. [PMID: 23107007 DOI: 10.1111/j.1742-481x.2012.01110.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
The accidental leakage of the compound, in this case heroin, from the veins where it is injected, causes the formation of tissue lesions. Similar mechanisms lead to progressive tissue necrosis, which, if not immediately treated, results in the loss of the relevant function. A 57-year-old man presented a skin lesion on the posterior region of the left forearm with extensive necrosis of skin and subcutaneous layer involving the underlying muscle planes, caused by a venous extravasation of heroin that he reports having injected himself. The wound size is 15 × 10 cm; it had a sanious, fibrinous, secreting and smelly bottom. In this period, the patient was subjected to daily focused dressing before debridement of the lesion through a collagenase plus hyaluronic acid ointment: Bionect Start®; (FIDIA Pharmaceutical, Abano, Italy). The therapeutic choice was rewarded with a complete resolution of the wound through a non-invasive technique and over a short period. Avoiding the hospitalisation of the patient achieved a reduction of risks for him and of the costs for the National Health Service (NHS). The Bionect Start®; (FIDIA Pharmaceutical) as well as allowing the healing of the wound also decreased significantly the pain felt by the patient, the amount of exudate and the bad smell improving in a non-negligible way his quality of life.
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Affiliation(s)
- Maria G Onesti
- Department of Plastic, Reconstructive and Aesthetic Surgery, University of Rome "Sapienza", Policlinico Umberto I, Viale del Policlinico, Rome, Italy
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Abstract
OBJECTIVE To present a clinical update on the prevention, detection, and evidence-based management of vesicant chemotherapy extravasations. DATA SOURCES Journal articles, published and unpublished case reports, personal experience. CONCLUSION In the 4 years that have elapsed since the publication of the original article, much more is known about vesicant chemotherapy extravasation, and effective evidence-based treatments now are available. The antidotes sodium thiosulfate for mechlorethamine extravasations and hyaluronidase for plant alkaloid extravasations are recommended by the manufacturers of these vesicants and cited in nursing guidelines. The anthracycline extravasation treatment dexrazoxane for injection, the first and only extravasation treatment with proven effectiveness, is now available as Totect (dexrazoxane; TopoTarget USA, Rockaway, NJ, USA) in the US and Savene (SpePharm, Amsterdam, The Netherlands) in Europe. IMPLICATIONS FOR NURSING PRACTICE Nurses who administer vesicant chemotherapy agents need to be aware of the most current evidence (or lack of evidence) for various types of extravasation treatment. Well-informed nurses are patient advocates and instrumental in detecting, managing, and documenting extravasations. Most importantly, nurses play a key role in preventing vesicant chemotherapy extravasations.
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Murphy F. The ongoing challenges with renal vascular access. BRITISH JOURNAL OF NURSING (MARK ALLEN PUBLISHING) 2011; 20:S6, S8, S10 passim. [PMID: 21471869 DOI: 10.12968/bjon.2011.20.sup11.s6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Renal vascular access is pivotal in the care of the haemodialysis patient; however, it remains a significant challenge to maintain vascular access in the dialysis population. There are a number of renal vascular accesses in use: arteriovenous fistula, arteriovenous graft, and central venous catheter, with the arteriovenous fistula being the ideal choice. Poor vascular access can lead to serious consequences for patients, resulting in morbidity and even mortality. There are also significant cost implications for healthcare providers in terms of hospital admissions, and other associated costs for patients who are admitted late for vascular access referral or as a result of associated complications of vascular access. The nurse and other members of the healthcare team are fundamental in the management of a patient's renal vascular access.
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MESH Headings
- Arteriovenous Shunt, Surgical/adverse effects
- Arteriovenous Shunt, Surgical/methods
- Arteriovenous Shunt, Surgical/nursing
- Catheterization, Central Venous/adverse effects
- Catheterization, Central Venous/methods
- Catheterization, Central Venous/nursing
- Catheters, Indwelling/adverse effects
- Humans
- Kidney Failure, Chronic/nursing
- Kidney Failure, Chronic/therapy
- Renal Dialysis/nursing
- Specialties, Nursing/methods
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Affiliation(s)
- Fiona Murphy
- School of Nursing and Midwifery, Trinity College Dublin, Ireland
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Dionyssiou D, Chantes A, Gravvanis A, Demiri E. The wash-out technique in the management of delayed presentations of extravasation injuries. J Hand Surg Eur Vol 2011; 36:66-9. [PMID: 20682583 DOI: 10.1177/1753193410379553] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Late presentation of extravasation injuries from chemotherapeutic agents is not uncommon. Twenty-four patients with extravasation injuries presented with upper limb extravasation but without any skin necrosis between the second and the fourteenth day following injury day. We flushed out the infiltrated area with 300-500 ml of normal saline through multiple stab incisions. All 24 patients responded well to the procedure and no further complications occurred. The average time for the complete healing of the wounds was 15 days. All the patients were able to continue their chemotherapy treatment without delay. Patients were followed up for a mean period of 13 months. They all recovered with no functional deficit and only mild scarring. Early recognition and immediate treatment of extravasation injuries are of paramount importance. In cases with no evidence of skin necrosis, a delayed wash-out procedure appears to be very effective in removing the extravasated drug and minimizing further tissue damage.
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Affiliation(s)
- D Dionyssiou
- Medical School, Aristotle University of Thessaloniki, Department of Plastic Surgery, Papageorgiou Hospital of Thessaloniki, Thessaloniki, Greece
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