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Novel quinazolin-4-one derivatives as potentiating agents of doxorubicin cytotoxicity. Bioorg Chem 2019; 82:204-210. [DOI: 10.1016/j.bioorg.2018.10.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/01/2018] [Accepted: 10/02/2018] [Indexed: 12/14/2022]
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152
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Mentoor I, Engelbrecht AM, Nell T. Fatty acids: Adiposity and breast cancer chemotherapy, a bad synergy? Prostaglandins Leukot Essent Fatty Acids 2019; 140:18-33. [PMID: 30553399 DOI: 10.1016/j.plefa.2018.11.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 11/12/2018] [Accepted: 11/20/2018] [Indexed: 02/07/2023]
Abstract
Globally, breast cancer continues to be a major concern in women's health. Lifestyle related risk factors, specifically excess adipose tissue (adiposity) has reached epidemic proportions and has been identified as a major risk factor in the development of breast cancer. Dysfunctional adipose tissue has evoked research focusing on its association with metabolic-related conditions, breast cancer risk and progression. Adipose dysfunction in coordination with immune cells and inflammation, are responsible for accelerated cell growth and survival of cancer cells. Recently, evidence also implicates adiposity as a potential risk factor for chemotherapy resistance. Chemotherapeutic agents have been shown to negatively impact adipose tissue. Since adipose tissue is a major storage site for fatty acids, it is not unlikely that these negative effects may disrupt adipose tissue homeostasis. It is therefore argued that fatty acid composition may be altered due to the chemotherapeutic pharmacokinetics, which in turn could have severe health related outcomes. The underlying molecular mechanisms elucidating the effects of fatty acid composition in adiposity-linked drug resistance are still unclear and under explored. This review focuses on the potential role of adiposity in breast cancer and specifically emphasizes the role of fatty acids in cancer progression and treatment resistance.
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Affiliation(s)
- Ilze Mentoor
- Department of Physiological Sciences, Faculty of Sciences, Stellenbosch University Main Campus, Stellenbosch 7600, Western Cape, Republic of South Africa
| | - A-M Engelbrecht
- Department of Physiological Sciences, Faculty of Sciences, Stellenbosch University Main Campus, Stellenbosch 7600, Western Cape, Republic of South Africa
| | - Theo Nell
- Department of Physiological Sciences, Faculty of Sciences, Stellenbosch University Main Campus, Stellenbosch 7600, Western Cape, Republic of South Africa.
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153
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Eftekhari RB, Maghsoudnia N, Samimi S, Zamzami A, Dorkoosh FA. Co-Delivery Nanosystems for Cancer Treatment: A Review. Pharm Nanotechnol 2019; 7:90-112. [PMID: 30907329 DOI: 10.2174/2211738507666190321112237] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/08/2019] [Accepted: 03/18/2019] [Indexed: 06/09/2023]
Abstract
Massive data available on cancer therapy more than ever lead our mind to the general concept that there is no perfect treatment for cancer. Indeed, the biological complexity of this disease is too excessive to be treated by a single therapeutic approach. Current delivery systems containing a specific drug or gene have their particular opportunities and restrictions. It is worth noting that a considerable number of studies suggest that single- drug delivery systems result in insufficient suppression of cancer growth. Therefore, one of the main ideas of co-delivery system designing is to enhance the intended response or to achieve the synergistic/combined effect compared to the single drug strategy. This review focuses on various strategies for co-delivery of therapeutic agents in the treatment of cancer. The primary approaches within the script are categorized into co-delivery of conventional chemotherapeutics, gene-based molecules, and plant-derived materials. Each one is explained in examples with the recent researches. In the end, a brief summary is provided to conclude the gist of the review.
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Affiliation(s)
- Reza Baradaran Eftekhari
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Niloufar Maghsoudnia
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Shabnam Samimi
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Zamzami
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Farid Abedin Dorkoosh
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Medical Biomaterial Research Center (MBRC), Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
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154
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Wang H, He L, Zhang P, Zhang J, Chen Z, Ren X, Mei X. Folate-modified hydroxyapatite nanorods induce apoptosis in MCF-7 cells through a mitochondrial-dependent pathway. NEW J CHEM 2019. [DOI: 10.1039/c9nj03653a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The targeted delivery of therapeutic drugs into cancer cells is a facile method to improve therapeutic efficacy.
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Affiliation(s)
- Huiping Wang
- Jinzhou Medical University
- Jinzhou
- People's Republic of China
| | - Libang He
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology
- Sichuan University
- Chengdu
- China
| | - Peng Zhang
- Jinzhou Medical University
- Jinzhou
- People's Republic of China
| | - Jie Zhang
- Jinzhou Medical University
- Jinzhou
- People's Republic of China
| | - Zhenhua Chen
- Jinzhou Medical University
- Jinzhou
- People's Republic of China
| | - Xiuli Ren
- Jinzhou Medical University
- Jinzhou
- People's Republic of China
| | - Xifan Mei
- Jinzhou Medical University
- Jinzhou
- People's Republic of China
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155
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Janakiraman K, Krishnaswami V, Rajendran V, Natesan S, Kandasamy R. Novel nano therapeutic materials for the effective treatment of rheumatoid arthritis-recent insights. MATERIALS TODAY. COMMUNICATIONS 2018; 17:200-213. [PMID: 32289062 PMCID: PMC7104012 DOI: 10.1016/j.mtcomm.2018.09.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 09/11/2018] [Accepted: 09/13/2018] [Indexed: 05/02/2023]
Abstract
Rheumatoid arthritis (RA) is the most common complex multifactorial joint related autoimmune inflammatory disease with unknown etiology accomplished with increased cardiovascular risks. RA is characterized by the clinical findings of synovial inflammation, autoantibody production, and cartilage/bone destruction, cardiovascular, pulmonary and skeletal disorders. Pro-inflammatory cytokines such as IL-1, IL-6, IL-8, and IL-10 were responsible for the induction of inflammation in RA patients. Drawbacks such as poor efficacy, higher doses, frequent administration, low responsiveness, and higher cost and serious side effects were associated with the conventional dosage forms for RA treatment. Nanomedicines were recently gaining more interest towards the treatment of RA, and researchers were also focusing towards the development of various anti-inflammatory drug loaded nanoformulations with an aid to both actively/passively targeting the inflamed site to afford an effective treatment regimen for RA. Alterations in the surface area and nanoscale size of the nanoformulations elicit beneficial physical and chemical properties for better pharmacological activities. These drug loaded nanoformulations may enhances the solubility of poorly water soluble drugs, improves the bioavailability, affords targetability and may improve the therapeutic activity. In this regimen, the present review focus towards the novel nanoparticulate formulations (nanoparticles, nanoemulsions, solid lipid nanoparticles, nanomicelles, and nanocapsules) utilized for the treatment of RA. The recent advancements such as siRNA, peptide and targeted based nanoparticulate systems for RA treatment were also discussed. Special emphasis was provided regarding the pathophysiology, prevalence and symptoms towards the development of RA.
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Key Words
- A-SLN, actarit loaded solid lipid nanoparticles
- ACF-SLN, aceclofenac loaded solid lipid nanoparticles
- AIA, antigen-induced arthritis
- ALP, alkaline phosphate
- ALT, alanine aminotransferase
- AST, aspartate aminotransferase
- C-SLN, curcumin loaded solid lipid nanoparticles
- CEL-TS-LN, celecoxib loaded tristearin based lipidic nanoparticles
- CFA, complete freund’s adjuvant
- CHNP, chitosan nanoparticle
- CLSM, confocal laser scanning microscopy
- COX- 1, cyclooxygenase - 1
- COX- 2, cyclooxygenase - 2
- DEX, dexamethasone
- DEX-PMs, dexamethasone-loaded polymeric micelles
- DMARD, disease modifying antirheumatic drugs
- FA, folic acid
- FR-β, folate receptor-beta
- GC, glucocorticoid
- HA- AuNP/TCZ, hyaluronate gold nanoparticle/Tocilizumab
- HEKcells, human embryonic kidney cells
- HSA-NCs, human serum albumin nanocapsules
- HUVEC, human umbilical vein cells
- IL, interleukin
- IND-NMs, indomethacin loaded polymeric micelles
- Ig, immunoglobulin
- Ind-NCs, indomethacin-loaded nanocapsules
- Inflammation
- LDE, lipidic nanoemulsion
- LX-NMs, larnoxicam loaded nanomicelles
- MTX-LCNCs, methotrexate-loaded lipidic core nanocapsules
- NSAIDs, non steroidal anti-inflammatory drugs
- Nanoformulation
- Nanoparticles
- P-SLN, piperine loaded solid lipid nanoparticle
- PCL, polycaprolactone
- PCL-PEG, poly (ethylene glycol)-block-poly (ε-caprolactone)
- PSA, polysialic acid
- PSA-PCL-CyA-NMs, polysialic acid- polycaprolactone cyclosporine A nanomicelles
- Pir-SLN, piroxicam solid lipid nanoparticles
- RA, rheumatoid arthritis
- RGD, arginine-glycine aspartic acid
- RNAi, RNA interference
- Rheumatoid arthritis
- SLN, solid lipid nanoparticles
- TAC-HSA-NPs, tacrolimus human serum albumin nanoparticle
- TAC-LCNCs, tacrolimus loaded lipidic core nanocapsules
- TNF-α, tumour necrosis factor
- VCAM-1, vascular cell adhesion molecule-1
- VEGF, vascular endothelial growth factor
- VIP, vasoactive intestinal peptide
- mRNA, messenger RNA
- shRNA, short hairpin RNA
- siRNA, small interfering RNA
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Affiliation(s)
- Kumar Janakiraman
- National Facility for Drug Development for Academia, Pharmaceutical and Allied Industries (NFDD), Centre for Excellence in Nanobio Translational REsearch (CENTRE), Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli 620 024, Tamil Nadu, India
| | - Venkateshwaran Krishnaswami
- National Facility for Drug Development for Academia, Pharmaceutical and Allied Industries (NFDD), Centre for Excellence in Nanobio Translational REsearch (CENTRE), Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli 620 024, Tamil Nadu, India
| | - Vijaya Rajendran
- National Facility for Drug Development for Academia, Pharmaceutical and Allied Industries (NFDD), Centre for Excellence in Nanobio Translational REsearch (CENTRE), Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli 620 024, Tamil Nadu, India
| | - Subramanian Natesan
- National Facility for Drug Development for Academia, Pharmaceutical and Allied Industries (NFDD), Centre for Excellence in Nanobio Translational REsearch (CENTRE), Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli 620 024, Tamil Nadu, India
| | - Ruckmani Kandasamy
- National Facility for Drug Development for Academia, Pharmaceutical and Allied Industries (NFDD), Centre for Excellence in Nanobio Translational REsearch (CENTRE), Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli 620 024, Tamil Nadu, India
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156
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Manilkara zapota (L.) P. Royen Leaf Water Extract Induces Apoptosis in Human Hepatocellular Carcinoma (HepG2) Cells via ERK1/2/Akt1/JNK1 Signaling Pathways. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:7826576. [PMID: 30519270 PMCID: PMC6241369 DOI: 10.1155/2018/7826576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 10/05/2018] [Accepted: 10/22/2018] [Indexed: 01/27/2023]
Abstract
Manilkara zapota (L.) P. Royen, called sapodilla, or locally known as ciku, belongs to the family Sapotaceae. We found that Manilkara zapota leaf water extract has cytotoxic effect against human hepatocellular carcinoma (HepG2) cell line in our earlier study. Therefore, this study aimed to explore the anticancer properties of Manilkara zapota leaf water extract in HepG2 cells. We also aimed to unravel yet undiscovered mechanisms and identified several expressed genes whose functions in cytotoxicity activity of Manilkara zapota leaf water extract in HepG2 cells have not been well-studied. The apoptosis and intracellular reactive oxygen species (ROS) activities were analyzed using Annexin V-propidium iodide staining and dichlorodihydrofluorescein diacetate, respectively, by NovoCyte Flow Cytometer. Bax and Bcl-2 expression were assessed using Enzyme-Linked Immunosorbent Assay. The associated molecular pathways were evaluated by quantitative real-time PCR. Overall analyses revealed that Manilkara zapota leaf water extract can increase percentage of early apoptotic cells, induce the formation of ROS, upregulate c-Jun N-terminal kinase 1 (JNK1) and inducible nitric oxide synthase (iNOS), and reduce Akt1 and vascular endothelial growth factor A (VEGFA) transcriptional activities. Our data suggest that Manilkara zapota leaf water extract can suppress the growth of HepG2 cells via modulation of ERK1/2/Akt1/JNK1 transcriptional expression.
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157
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Gao QQ, Putzbach WE, Murmann AE, Chen S, Sarshad AA, Peter JM, Bartom ET, Hafner M, Peter ME. 6mer seed toxicity in tumor suppressive microRNAs. Nat Commun 2018; 9:4504. [PMID: 30374110 PMCID: PMC6206098 DOI: 10.1038/s41467-018-06526-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Accepted: 09/08/2018] [Indexed: 12/21/2022] Open
Abstract
Many small-interfering (si)RNAs are toxic to cancer cells through a 6mer seed sequence (positions 2–7 of the guide strand). Here we performed an siRNA screen with all 4096 6mer seeds revealing a preference for guanine in positions 1 and 2 and a high overall G or C content in the seed of the most toxic siRNAs for four tested human and mouse cell lines. Toxicity of these siRNAs stems from targeting survival genes with C-rich 3′UTRs. The master tumor suppressor miRNA miR-34a-5p is toxic through such a G-rich 6mer seed and is upregulated in cells subjected to genotoxic stress. An analysis of all mature miRNAs suggests that during evolution most miRNAs evolved to avoid guanine at the 5′ end of the 6mer seed sequence of the guide strand. In contrast, for certain tumor-suppressive miRNAs the guide strand contains a G-rich toxic 6mer seed, presumably to eliminate cancer cells. Small interfering (siRNAs) can be toxic to cancer cells. Here the authors investigate the toxicity of microRNA in cancer cells by performing a siRNA screen that tests the miRNA activities of an extensive list of miRNAs with different 6mer seed sequences.
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Affiliation(s)
- Quan Q Gao
- Department of Medicine, Division Hematology/Oncology, Northwestern University, Chicago, IL, 60611, USA
| | - William E Putzbach
- Department of Medicine, Division Hematology/Oncology, Northwestern University, Chicago, IL, 60611, USA
| | - Andrea E Murmann
- Department of Medicine, Division Hematology/Oncology, Northwestern University, Chicago, IL, 60611, USA
| | - Siquan Chen
- Cellular Screening Center, Institute for Genomics & Systems Biology, The University of Chicago, Chicago, IL, 60637, USA
| | - Aishe A Sarshad
- Laboratory of Muscle Stem Cells and Gene Regulation, NIAMS, NIH, Bethesda, MD, 20892, USA
| | | | - Elizabeth T Bartom
- Department of Biochemistry and Molecular Genetics, Northwestern University, Chicago, IL, 60611, USA
| | - Markus Hafner
- Laboratory of Muscle Stem Cells and Gene Regulation, NIAMS, NIH, Bethesda, MD, 20892, USA
| | - Marcus E Peter
- Department of Medicine, Division Hematology/Oncology, Northwestern University, Chicago, IL, 60611, USA. .,Department of Biochemistry and Molecular Genetics, Northwestern University, Chicago, IL, 60611, USA.
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158
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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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159
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Wen SH, Su SC, Liou BH, Lin CH, Lee KR. Sulbactam-enhanced cytotoxicity of doxorubicin in breast cancer cells. Cancer Cell Int 2018; 18:128. [PMID: 30202239 PMCID: PMC6123926 DOI: 10.1186/s12935-018-0625-9] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 08/29/2018] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Multidrug resistance (MDR) is a major obstacle in breast cancer treatment. The predominant mechanism underlying MDR is an increase in the activity of adenosine triphosphate (ATP)-dependent drug efflux transporters. Sulbactam, a β-lactamase inhibitor, is generally combined with β-lactam antibiotics for treating bacterial infections. However, sulbactam alone can be used to treat Acinetobacter baumannii infections because it inhibits the expression of ATP-binding cassette (ABC) transporter proteins. This is the first study to report the effects of sulbactam on mammalian cells. METHODS We used the breast cancer cell lines as a model system to determine whether sulbactam affects cancer cells. The cell viabilities in the present of doxorubicin with or without sulbactam were measured by MTT assay. Protein identities and the changes in protein expression levels in the cells after sulbactam and doxorubicin treatment were determined using LC-MS/MS. Real-time reverse transcription polymerase chain reaction (real-time RT-PCR) was used to analyze the change in mRNA expression levels of ABC transporters after treatment of doxorubicin with or without sulbactam. The efflux of doxorubicin was measures by the doxorubicin efflux assay. RESULTS MTT assay revealed that sulbactam enhanced the cytotoxicity of doxorubicin in breast cancer cells. The results of proteomics showed that ABC transporter proteins and proteins associated with the process of transcription and initiation of translation were reduced. The mRNA expression levels of ABC transporters were also decreased when treated with doxorubicin and sulbactam. The doxorubicin efflux assay showed that sulbactam treatment inhibited doxorubicin efflux. CONCLUSIONS The combination of sulbactam and doxorubicin enhances the cytotoxicity of doxorubicin in the breast cancer cells by inhibiting the expression of ABC transporter proteins and proteins associated with the process of transcription and initiation of translation, and blocking the efflux of doxorubicin. Co-treatment of doxorubicin and sulbactam can be used in breast cancer treatment to decrease the prescribed dose of doxorubicin to avoid the adverse effects of doxorubicin.
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Affiliation(s)
- Shao-hsuan Wen
- Department of Molecular Medicine and Institute of Life Science, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu, 30013 Taiwan, ROC
| | - Shey-chiang Su
- Department of Internal Medicine, Puli Christian Hospital, No. 1, Tieshan Road, Puli Township, Nantou, 54546 Taiwan, ROC
| | - Bo-huang Liou
- Department of Internal Medicine, Hsinchu Mackay Memorial Hospital, No.690, Section 2, Guangfu Road, East District, Hsinchu, 300 Taiwan, ROC
| | - Cheng-hao Lin
- Department of Molecular Medicine and Institute of Life Science, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu, 30013 Taiwan, ROC
| | - Kuan-rong Lee
- Department of Molecular Medicine and Institute of Life Science, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu, 30013 Taiwan, ROC
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160
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Zidan AAA, El-Ashmawy NE, Khedr EG, Ebeid EZM, Salem ML, Mosalam EM. Loading of doxorubicin and thymoquinone with F2 gel nanofibers improves the antitumor activity and ameliorates doxorubicin-associated nephrotoxicity. Life Sci 2018; 207:461-470. [PMID: 29885348 DOI: 10.1016/j.lfs.2018.06.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 06/05/2018] [Indexed: 02/07/2023]
Abstract
AIMS This study aimed to elucidate the benefits of nanoformulation of doxorubicin (DOX) and thymoquinone (TQ) loaded with nanofibers of poly-N-acetyl glucosamine (pGlcNAc), which is known as F2 gel, over their conventional free forms. Moreover, evaluate the role of TQ in improving chemotherapeutic effect and ameliorating nephrotoxicity of DOX. MAIN METHODS The drugs were loaded into F2 gel followed by measurement of physicochemical characterization. Next, MCF-7 and HEPG2 cells were treated with the prepared formulations and assessed for apoptosis alongside with cellular proliferation. Furthermore, we experimentally induced Heps liver carcinoma in mice and at the end of the treatment, mice were sacrificed and serum samples were used to assess nephrotoxicity markers; blood urea nitrogen (BUN) and creatinine. Additionally, renal tissue was used for determination of oxidative markers and antioxidant enzymes; whereas, tumor tissue was utilized to measure nuclear factor kappa B (NF-κB) and caspase 3. KEY FINDINGS Nanoformulation showed dramatic increase in apoptosis, caspase 3, and antioxidant enzymes; in contrast to, dramatic fall in cell viability, tumor volume, oxidative and nephrotoxicity markers, and NF-κB compared to corresponding free therapies. Combined therapy was superior in conserving the measured parameters compared to other treated groups. SIGNIFICANCE F2 gel loaded with DOX and TQ revealed enhanced antitumor activity with minimal toxicity. Moreover, using TQ as an adjuvant with DOX could augment its cytotoxicity and ameliorate nephrotoxicity.
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Affiliation(s)
- Abdel-Aziz A Zidan
- Zoology Department, Faculty of Science, Damanhour University, Egypt; Center of Excellence in cancer Research (CECR), Tanta University, Tanta, Egypt.
| | | | - Eman G Khedr
- Biochemistry Department, Faculty of Pharmacy, Tanta University, Egypt
| | - El-Zeiny M Ebeid
- Physical Chemistry Department, Faculty of Science, Tanta University, Egypt
| | - Mohamed L Salem
- Immunology and Biotechnology Unit, Zoology Department, Faculty of Science, Tanta University, Egypt
| | - Esraa M Mosalam
- Biochemistry Department, Faculty of Pharmacy, Menoufia University, Egypt
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161
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Hudson S, Wang D, Middleton F, Nevaldine BH, Naous R, Hutchison RE. Crizotinib induces apoptosis and gene expression changes in ALK+ anaplastic large cell lymphoma cell lines; brentuximab synergizes and doxorubicin antagonizes. Pediatr Blood Cancer 2018; 65:e27094. [PMID: 29697184 DOI: 10.1002/pbc.27094] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 03/15/2018] [Accepted: 03/19/2018] [Indexed: 01/06/2023]
Abstract
BACKGROUND Anaplastic lymphoma kinase (ALK)-positive anaplastic large cell lymphoma (ALCL) shows 60-70% event free survival with standard treatments. Targeted therapies are being tested for increased benefit and/or reduced toxicity, but interactions with standard agents are not well known. METHODS We exposed four ALCL cell lines to two targeted agents, crizotinib and brentuximab vedotin, and to two standard agents, doxorubicin and vinblastine. For each agent and combination, we measured apoptosis and expression of approximately 300 previously annotated genes of interest using targeted RNA-sequencing. An aurora kinase inhibitor, alisertib, was similarly tested for gene expression effects. RESULTS Only crizotinib, alone or in combination, showed significant effects (adjusted P < 0.05) on expression and apoptosis. One hundred and nine of 277 gene expressions showed crizotinib-associated differential expression, mostly downregulation, 62 associated with apoptosis, and 28 associated with both crizotinib and apoptosis. Doxorubicin was antagonistic with crizotinib on gene expression and apoptosis. Brentuximab was synergistic with crizotinib in apoptosis, and not antagonistic in gene expression. Vinblastine also appeared synergistic with crizotinib but did not achieve statistical significance. Alisertib did not show significant expression changes. CONCLUSIONS Our data suggest that crizotinib induces apoptosis through orderly changes in cell signaling associated with ALK inhibition. Expression effects of crizotinib and associated apoptosis are antagonized by doxorubicin, but apoptosis is synergized by brentuximab vedotin and possibly vinblastine. These findings suggest that concurrent use of crizotinib and doxorubicin may be counterproductive, while the pairing of crizotinib with brentuximab (or vinblastine) may increase efficacy. Alisertib did not induce expression changes at cytotoxic dosage.
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Affiliation(s)
- Sandra Hudson
- Department of Radiation Oncology, SUNY Upstate Medical University, Syracuse, New York
| | - Dongliang Wang
- Department of Public Health and Preventive Medicine, SUNY Upstate Medical University, Syracuse, New York
| | - Frank Middleton
- Department of Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse, New York
| | - Barbara H Nevaldine
- Department of Radiation Oncology, SUNY Upstate Medical University, Syracuse, New York
| | - Rana Naous
- Department of Pathology, SUNY Upstate Medical University, Syracuse, New York
| | - Robert E Hutchison
- Department of Pathology, SUNY Upstate Medical University, Syracuse, New York
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162
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Yang JM, Jang JY, Jeon YK, Paik JH. Clinicopathologic implication of microRNA-197 in diffuse large B cell lymphoma. J Transl Med 2018; 16:162. [PMID: 29890998 PMCID: PMC5996506 DOI: 10.1186/s12967-018-1537-0] [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] [Received: 03/14/2018] [Accepted: 06/06/2018] [Indexed: 02/08/2023] Open
Abstract
Background Diffuse large B cell lymphoma (DLBCL) contains heterogeneous subtypes with various molecular dysregulation at the gene, protein and microRNA levels. Compared with the GCB subtype, the non-germinal center B-like (non-GCB)/activated B cell-like (ABC) subtype exhibits frequent progression despite standard immunochemotherapy. We aimed to investigate the effects of miR-197 on the progression and chemosensitivity of DLBCL with respect to the GCB and non-GCB/ABC subtypes. Methods To screen distinctively expressed microRNAs, microRNA expression patterns were analyzed in 10 DLBCL cases by microarray chip assays. Using quantitative real-time polymerase chain reaction (qRT-PCR), associations between miR-197 expression levels and clinicopathologic variables were investigated in 51 DLBCL tissue samples. The effects of miR-197 on doxorubicin chemosensitivity were investigated using the OCI-Ly1 and SUDHL9 cell lines. Results MicroRNA expression profiling by hierarchical clustering revealed that miR-197 was one of the distinctively expressed microRNAs in DLBCL. Quantitative analysis using qRT-PCR revealed that miR-197 levels were not correlated with clinicopathologic variables, including the international prognostic index, but low miR-197 levels were significantly associated with lymphoma progression defined by refractoriness, relapse or death in the rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP)-treated subgroup (n = 43; p = 0.004). Among the three molecular groups, i.e., the GCB, non-GCB/miR-197low and non-GCB/miR-197high groups, progression was most frequently observed in the non-GCB/miR-197low group in the full cohort (p = 0.013) and the R-CHOP cohort (p = 0.008). In survival analysis, low miR-197 levels were independently predictive of shorter progression-free survival in the R-CHOP cohort (p = 0.031; HR = 27.9) and the non-GCB subgroup (p = 0.037; HR = 21.5) but not in the GCB subgroup. Using SUDHL9 (ABC type) and OCI-Ly1 (GCB type) cells, the effects of doxorubicin on reducing cell viability were enhanced by miR-197 transfection. In apoptosis assays, miR-197 transfection enhanced doxorubicin-induced apoptosis in SUDHL9 cells but not in OCI-Ly1 cells, suggesting a chemosensitizing effect of miR-197 in ABC DLBCL. Conclusions These results suggest the role of miR-197 as a biomarker with potential therapeutic implications. Electronic supplementary material The online version of this article (10.1186/s12967-018-1537-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jeong Mi Yang
- Department of Pathology, Seoul National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam, Gyeonggi, South Korea
| | | | - Yoon Kyung Jeon
- Department of Pathology, Seoul National University Hospital, Seoul, South Korea.,Department of Pathology, Seoul National University College of Medicine, Seoul, South Korea
| | - Jin Ho Paik
- Department of Pathology, Seoul National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam, Gyeonggi, South Korea. .,Department of Pathology, Seoul National University College of Medicine, Seoul, South Korea.
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163
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Raniolo S, Vindigni G, Ottaviani A, Unida V, Iacovelli F, Manetto A, Figini M, Stella L, Desideri A, Biocca S. Selective targeting and degradation of doxorubicin-loaded folate-functionalized DNA nanocages. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 14:1181-1190. [DOI: 10.1016/j.nano.2018.02.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 01/30/2018] [Accepted: 02/05/2018] [Indexed: 12/20/2022]
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164
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Huang H, Li Y, Wu M, Luo J, Nie J, Hou B, He Q, Diao Y, Qi L, Zhao Y, Liu Y, Yang D, Zhou L. Effects of ethanol on the anticancer function of doxorubicin in JJ012 cells. Future Oncol 2018; 14:1285-1297. [PMID: 29774752 DOI: 10.2217/fon-2017-0547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AIM Chondrosarcoma is difficult to treat because of resistance to conventional chemotherapy and radiotherapy. This study evaluated the effects of ethanol in combination with doxorubicin in chondrosarcoma cells. MATERIALS & METHODS JJ012, was treated with doxorubicin alone or in combination with ethanol. Effects on cellular proliferation, migration, invasion, apoptosis, and the cell cycle were evaluated. RESULTS Treatment of JJ012 cells with 100 mM ethanol and doxorubicin resulted in reduced cell growth, invasion, and migration. In addition, doxorubicin uptake into the nucleus was enhanced and p53 mRNA expression was upregulated in JJ012 cells. CONCLUSION Ethanol combined with doxorubicin increased doxorubicin uptake in the nucleus and enhanced the effects of doxorubicin in JJ012 cells.
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Affiliation(s)
- Hui Huang
- Department of Biochemistry & Molecular Biology, Harbin Medical University, Harbin, PR China.,Translational Medicine Center of Northern China, Harbin Medical University, Harbin, PR China.,Basic Medical Institute of Heilongjiang Medical Science Academy, Harbin, PR China.,Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, PR China
| | - Yanze Li
- Department of Biochemistry & Molecular Biology, Harbin Medical University, Harbin, PR China.,Translational Medicine Center of Northern China, Harbin Medical University, Harbin, PR China.,Basic Medical Institute of Heilongjiang Medical Science Academy, Harbin, PR China.,Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, PR China
| | - Mingjuan Wu
- Heilongjiang Academy of Traditional Chinese Medicine, Harbin, PR China
| | - Jing Luo
- Department of Biochemistry & Molecular Biology, Harbin Medical University, Harbin, PR China.,Translational Medicine Center of Northern China, Harbin Medical University, Harbin, PR China
| | - Junhui Nie
- Department of Biochemistry & Molecular Biology, Harbin Medical University, Harbin, PR China.,Translational Medicine Center of Northern China, Harbin Medical University, Harbin, PR China
| | - Baoyu Hou
- Department of Biochemistry & Molecular Biology, Harbin Medical University, Harbin, PR China.,Translational Medicine Center of Northern China, Harbin Medical University, Harbin, PR China
| | - Qi He
- Department of Biochemistry & Molecular Biology, Harbin Medical University, Harbin, PR China.,Translational Medicine Center of Northern China, Harbin Medical University, Harbin, PR China
| | - Yan Diao
- Department of Biochemistry & Molecular Biology, Harbin Medical University, Harbin, PR China.,Translational Medicine Center of Northern China, Harbin Medical University, Harbin, PR China
| | - Lin Qi
- Department of Radioimmunossay, Heilongjiang Province Hospital, Harbin, PR China
| | - Yuanyuan Zhao
- Department of Anesthesiology, Heilongjiang Province Hospital, Harbin, PR China
| | - Ying Liu
- Department of Gastroenterology, Heilongjiang Province Hospital, Harbin, PR China
| | - Dan Yang
- Department of Biochemistry & Molecular Biology, Harbin Medical University, Harbin, PR China.,Translational Medicine Center of Northern China, Harbin Medical University, Harbin, PR China.,Basic Medical Institute of Heilongjiang Medical Science Academy, Harbin, PR China.,Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, PR China
| | - Lingyun Zhou
- Department of Biochemistry & Molecular Biology, Harbin Medical University, Harbin, PR China.,Translational Medicine Center of Northern China, Harbin Medical University, Harbin, PR China.,Basic Medical Institute of Heilongjiang Medical Science Academy, Harbin, PR China.,Key Laboratory of Cardiovascular Medicine Research (Harbin Medical University), Ministry of Education, Harbin, PR China
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165
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Abstract
Doxorubicin (DOX), also known as adriamycin, is a DNA topoisomerase II inhibitor and belongs to the family of anthracycline anticancer drugs. DOX is used for the treatment of a wide variety of cancer types. However, resistance among cancer cells has emerged as a major barrier to effective treatment using DOX. Currently, the role of autophagy in cancer resistance to DOX and the mechanisms involved have become one of the areas of intense investigation. More and more preclinical data are being obtained on reversing DOX resistance through modulation of autophagy as one of the promising therapeutic strategies. This review summarizes the recent advances in autophagy-targeting therapies that overcome DOX resistance from in-vitro studies to animal models for exploration of novel delivery systems. In-depth understanding of the mechanisms of autophagy regulation in relation to DOX resistance and development of molecularly targeted autophagy-modulating agents will provide a promising therapeutic strategy for overcoming DOX resistance in cancer treatment.
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166
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Bayraç AT, Akça OE, Eyidoğan Fİ, Öktem HA. Target-specific delivery of doxorubicin to human glioblastoma cell line via ssDNA aptamer. J Biosci 2018. [DOI: 10.1007/s12038-018-9733-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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167
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Selenium-functionalized liposomes for systemic delivery of doxorubicin with enhanced pharmacokinetics and anticancer effect. Eur J Pharm Biopharm 2018; 122:87-95. [DOI: 10.1016/j.ejpb.2017.10.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 07/26/2017] [Accepted: 10/11/2017] [Indexed: 02/04/2023]
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168
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Mentoor I, Engelbrecht AM, van Jaarsveld PJ, Nell T. Chemoresistance: Intricate Interplay Between Breast Tumor Cells and Adipocytes in the Tumor Microenvironment. Front Endocrinol (Lausanne) 2018; 9:758. [PMID: 30619088 PMCID: PMC6297254 DOI: 10.3389/fendo.2018.00758] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 11/29/2018] [Indexed: 12/24/2022] Open
Abstract
Excess adipose tissue is a hallmark of an overweight and/or obese state as well as a primary risk factor for breast cancer development and progression. In an overweight/obese state adipose tissue becomes dysfunctional due to rapid hypertrophy, hyperplasia, and immune cell infiltration which is associated with sustained low-grade inflammation originating from dysfunctional adipokine synthesis. Evidence also supports the role of excess adipose tissue (overweight/obesity) as a casual factor for the development of chemotherapeutic drug resistance. Obesity-mediated effects/modifications may contribute to chemotherapeutic drug resistance by altering drug pharmacokinetics, inducing chronic inflammation, as well as altering tumor-associated adipocyte adipokine secretion. Adipocytes in the breast tumor microenvironment enhance breast tumor cell survival and decrease the efficacy of chemotherapeutic agents, resulting in chemotherapeutic resistance. A well-know chemotherapeutic agent, doxorubicin, has shown to negatively impact adipose tissue homeostasis, affecting adipose tissue/adipocyte functionality and storage. Here, it is implied that doxorubicin disrupts adipose tissue homeostasis affecting the functionality of adipose tissue/adipocytes. Although evidence on the effects of doxorubicin on adipose tissue/adipocytes under obesogenic conditions are lacking, this narrative review explores the potential role of obesity in breast cancer progression and treatment resistance with inflammation as an underlying mechanism.
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Affiliation(s)
- Ilze Mentoor
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa
| | - Anna-Mart Engelbrecht
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa
| | - Paul J. van Jaarsveld
- Non-Communicable Diseases Research Unit, South African Medical Research Council, Cape Town, South Africa
- Division of Medical Physiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Stellenbosch, South Africa
| | - Theo Nell
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa
- *Correspondence: Theo Nell
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169
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El-Ashmawy NE, Khedr EG, Ebeid EZM, Salem ML, Zidan AAA, Mosalam EM. Enhanced anticancer effect and reduced toxicity of doxorubicin in combination with thymoquinone released from poly-N-acetyl glucosamine nanomatrix in mice bearing solid Ehrlish carcinoma. Eur J Pharm Sci 2017; 109:525-532. [PMID: 28890201 DOI: 10.1016/j.ejps.2017.09.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 08/04/2017] [Accepted: 09/06/2017] [Indexed: 02/07/2023]
Abstract
The incidence of breast cancer remarkably increases all over the world. Therefore, there is a great demand to introduce new approaches into cancer treatment field. The current study was designated to evaluate the role of doxorubicin (DOX) and/or thymoquinone (TQ) nanomatrix in potentiating the cytotoxicity of either drug, and to investigate the ability of TQ to reduce cardiotoxicity of DOX in solid Ehrlich carcinoma (SEC)-bearing mice. DOX and TQ were loaded into F2 gel, which is a fully-acetylated poly-N-acetyl glucosamine nanofiber. SEC was induced in female albino mice as a model for experimentally induced breast cancer. Mice were randomly divided into eight groups (n=10): normal control, tumor control, F2 gel, free DOX, DOX+F2 gel, free TQ, TQ+F2 gel, and DOX+TQ+F2 gel. On day 28th from tumor inoculation, mice were sacrificed and blood samples were collected for measurement of the cardiac markers; lactate dehydrogenase (LDH) and creatine kinase (CK-MB). In addition, cardiac tissue was utilized for determination of lipid peroxide, and tumor tissue was used for measurement of anti-apoptotic protein Bcl-2 as well as gene expression of the tumor suppressor gene P53. DOX and/or TQ showed a significant reduction in tumor volume, cardiac markers, tumor Bcl-2, and P53 upregulation compared to free conventional therapies. Co-treatment with DOX+TQ+F2 gel was superior to all other groups in exerting beneficial effects. Use of TQ as an adjuvant therapy with DOX could improve its cytotoxic effects and limit its cardiac toxicity. Furthermore, loading of DOX and/or TQ into F2 gel showed a remarkable anti-cancer activity.
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MESH Headings
- Acetylglucosamine/administration & dosage
- Animals
- Antibiotics, Antineoplastic/administration & dosage
- Benzoquinones/administration & dosage
- Carcinoma, Ehrlich Tumor/drug therapy
- Carcinoma, Ehrlich Tumor/metabolism
- Carcinoma, Ehrlich Tumor/pathology
- Chemotherapy, Adjuvant
- Creatine Kinase/blood
- Creatine Kinase, MB Form/blood
- Doxorubicin/administration & dosage
- Female
- Gene Expression Regulation, Neoplastic/drug effects
- Genes, p53
- L-Lactate Dehydrogenase/blood
- Malondialdehyde/metabolism
- Mice
- Microscopy, Electron, Transmission
- Myocardium/metabolism
- Nanostructures/administration & dosage
- Nanostructures/ultrastructure
- Proto-Oncogene Proteins c-bcl-2/metabolism
- Tumor Burden/drug effects
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Affiliation(s)
| | - Eman G Khedr
- Biochemistry Department, Faculty of Pharmacy, Tanta University, Egypt
| | - El-Zeiny M Ebeid
- Physical Chemistry Department, Faculty of Science, Tanta University, Egypt
| | - Mohamed L Salem
- Immunology and Biotechnology Unit, Zoology Department, Faculty of Science Tanta University, Egypt
| | | | - Esraa M Mosalam
- Biochemistry Department, Faculty of Pharmacy, Menoufia University, Egypt.
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170
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El-Samahy FA, El Salam HAA, El-Sayed NF, Shalaby EM, Dondeti MF. Synthesis of unexpected novel bis-coumarin derivatives
via
three component reactions of 4-hydroxycoumarin, aldehydes and cyclic secondary amines. Conformation in the solid state and pharmacological evaluation. ZEITSCHRIFT FÜR NATURFORSCHUNG B 2017; 72:705-716. [DOI: 10.1515/znb-2017-0066] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Abstract
A series of unexpected bis-coumarins have been synthesized by multicomponent reactions of 4-hydroxycoumarin, aldehydes, and cyclic secondary amines in ethanol at room temperature. The chemical structures of new compounds were identified by 1H, 13C NMR, and mass spectrometry. Furthermore, the molecular structure of the solid-state adduct of 3,3′-[(4-methoxyphenyl)-methylene]bis(4-hydroxy-2H-chromen-2-one) with morpholine (1:1) has been confirmed by single-crystal X-ray diffraction. The cytotoxicity of the new coumarin derivatives against MCF7 breast cancer cells was evaluated. A docking study of the new products was carried out to assess the molecular affinity between the tested compound and Topoisomerase IIa.
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Affiliation(s)
- Fatma A. El-Samahy
- Department of Green Chemistry , Chemical Industries Research Division, National Research Centre , El Buhouth St., P.O. 12622 , Dokki, Giza , Egypt
| | - Hayam A. Abd El Salam
- Department of Green Chemistry , Chemical Industries Research Division, National Research Centre , El Buhouth St., P.O. 12622 , Dokki, Giza , Egypt
| | - Naglaa F. El-Sayed
- Department of Organometallic and Organometalloid , Chemical Industries Research Division, National Research Centre , El Buhouth St., P.O. 12622 , Dokki, Giza , Egypt
| | - Elsayed M. Shalaby
- X-Ray Crystallography Laboratory , Solid State Physics Department , Physics Division, National Research Centre , El Buhouth St., P.O. 12622 , Dokki, Giza , Egypt
| | - Mahmoud F. Dondeti
- Molecular Biology Department , Genetic Engineering and Biotechnology Research Division, National Research Centre , El Buhouth St., P.O. 12622 , Dokki, Giza , Egypt
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171
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Zielonka J, Sikora A, Hardy M, Ouari O, Vasquez-Vivar J, Cheng G, Lopez M, Kalyanaraman B. Mitochondria-Targeted Triphenylphosphonium-Based Compounds: Syntheses, Mechanisms of Action, and Therapeutic and Diagnostic Applications. Chem Rev 2017; 117:10043-10120. [PMID: 28654243 PMCID: PMC5611849 DOI: 10.1021/acs.chemrev.7b00042] [Citation(s) in RCA: 915] [Impact Index Per Article: 130.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Mitochondria are recognized as one of the most important targets for new drug design in cancer, cardiovascular, and neurological diseases. Currently, the most effective way to deliver drugs specifically to mitochondria is by covalent linking a lipophilic cation such as an alkyltriphenylphosphonium moiety to a pharmacophore of interest. Other delocalized lipophilic cations, such as rhodamine, natural and synthetic mitochondria-targeting peptides, and nanoparticle vehicles, have also been used for mitochondrial delivery of small molecules. Depending on the approach used, and the cell and mitochondrial membrane potentials, more than 1000-fold higher mitochondrial concentration can be achieved. Mitochondrial targeting has been developed to study mitochondrial physiology and dysfunction and the interaction between mitochondria and other subcellular organelles and for treatment of a variety of diseases such as neurodegeneration and cancer. In this Review, we discuss efforts to target small-molecule compounds to mitochondria for probing mitochondria function, as diagnostic tools and potential therapeutics. We describe the physicochemical basis for mitochondrial accumulation of lipophilic cations, synthetic chemistry strategies to target compounds to mitochondria, mitochondrial probes, and sensors, and examples of mitochondrial targeting of bioactive compounds. Finally, we review published attempts to apply mitochondria-targeted agents for the treatment of cancer and neurodegenerative diseases.
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Affiliation(s)
- Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
| | - Adam Sikora
- Institute of Applied Radiation Chemistry, Lodz University of Technology, ul. Wroblewskiego 15, 93-590 Lodz, Poland
| | - Micael Hardy
- Aix Marseille Univ, CNRS, ICR, UMR 7273, 13013 Marseille, France
| | - Olivier Ouari
- Aix Marseille Univ, CNRS, ICR, UMR 7273, 13013 Marseille, France
| | - Jeannette Vasquez-Vivar
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
| | - Gang Cheng
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
| | - Marcos Lopez
- Translational Biomedical Research Group, Biotechnology Laboratories, Cardiovascular Foundation of Colombia, Carrera 5a No. 6-33, Floridablanca, Santander, Colombia, 681003
- Graduate Program of Biomedical Sciences, Faculty of Health, Universidad del Valle, Calle 4B No. 36-00, Cali, Colombia, 760032
| | - Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
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172
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Schicho A, Pereira PL, Haimerl M, Niessen C, Michalik K, Beyer LP, Stroszczynski C, Wiggermann P. Transarterial chemoembolization (TACE) with degradable starch microspheres (DSM) in hepatocellular carcinoma (HCC): multi-center results on safety and efficacy. Oncotarget 2017; 8:72613-72620. [PMID: 29069813 PMCID: PMC5641156 DOI: 10.18632/oncotarget.19997] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 07/14/2017] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is the 3rd leading cause of cancer-related death worldwide. The majority of HCCs are diagnosed in a stage that is not eligible for curative resection. For intermediate stage HCC, transarterial chemoembolization (TACE) is the recommended treatment. We evaluated the safety and efficacy of DSM (degradable starch microspheres) as embolic agent in transarterial chemoembolization (TACE) for the treatment of intermediate stage, non-resectable hepatocellular carcinoma (HCC). METHODS AND FINDINGS A national, multi-center observational study on the safety and efficacy of DSM-TACE for the treatment of intermediate HCC was conducted. The recruitment period for the study was from January 2010 to June 2014. The primary endpoints were safety and treatment response according to the mRECIST criteria. A total of 179 DSM-TACE procedures in 50 patients were included in the analysis. The therapeutic efficacy assessed with mRECIST was as follows: complete response (n=1; 2 %), 21 partial response (42 %), 13 stable disease (26 %), 9 progressive disease (18 %), and 6 incomplete data (12 %). Thus, the objective response rate was 44% (n=22) and disease control rate was 70% (n=35). A total of 76 immediate adverse events (AE) and 2 severe adverse events (SAE) were recorded. Forty-eight percent of patients (n=24) did not encounter any immediate AE/SAE. Between treatments, a total of 66 AE and one SAE were recorded. Twenty-four patients (48 %) did not encounter any AE/SAE in between treatments. CONCLUSION The use of DSM as a TACE embolic agent appears to be safe for the treatment of HCC and has promising efficacy.
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Affiliation(s)
- Andreas Schicho
- Department of Radiology, University Hospital Regensburg, Regensburg, Germany
| | - Philippe L Pereira
- Department of Radiology, Minimal-Invasive Therapies and Nuclear Medicine, SLK Kliniken Heilbronn, Heilbronn, Germany
| | - Michael Haimerl
- Department of Radiology, University Hospital Regensburg, Regensburg, Germany
| | - Christoph Niessen
- Department of Radiology, University Hospital Regensburg, Regensburg, Germany
| | - Katharina Michalik
- Department of Radiology, University Hospital Regensburg, Regensburg, Germany
| | - Lukas P Beyer
- Department of Radiology, University Hospital Regensburg, Regensburg, Germany
| | | | - Philipp Wiggermann
- Department of Radiology, University Hospital Regensburg, Regensburg, Germany
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173
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Iihoshi H, Ishihara T, Kuroda S, Ishihara N, Saitoh H. Aclarubicin, an anthracycline anti-cancer drug, fluorescently contrasts mitochondria and reduces the oxygen consumption rate in living human cells. Toxicol Lett 2017; 277:109-114. [DOI: 10.1016/j.toxlet.2017.06.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 06/16/2017] [Accepted: 06/18/2017] [Indexed: 12/12/2022]
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174
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Dostalova S, Vasickova K, Hynek D, Krizkova S, Richtera L, Vaculovicova M, Eckschlager T, Stiborova M, Heger Z, Adam V. Apoferritin as an ubiquitous nanocarrier with excellent shelf life. Int J Nanomedicine 2017; 12:2265-2278. [PMID: 28392686 PMCID: PMC5373844 DOI: 10.2147/ijn.s130267] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Due to many adverse effects of conventional chemotherapy, novel methods of targeting drugs to cancer cells are being investigated. Nanosize carriers are a suitable platform for this specific delivery. Herein, we evaluated the long-term stability of the naturally found protein nanocarrier apoferritin (Apo) with encapsulated doxorubicin (Dox). The encapsulation was performed using Apo’s ability to disassemble reversibly into its subunits at low pH (2.7) and reassemble in neutral pH (7.2), physically entrapping drug molecules in its cavity (creating ApoDox). In this study, ApoDox was prepared in water and phosphate-buffered saline and stored for 12 weeks in various conditions (−20°C, 4°C, 20°C, and 37°C in dark, and 4°C and 20°C under ambient light). During storage, a very low amount of prematurely released drug molecules were detected (maximum of 7.5% for ApoDox prepared in PBS and 4.4% for ApoDox prepared in water). Fourier-transform infrared spectra revealed no significant differences in any of the samples after storage. Most of the ApoDox prepared in phosphate-buffered saline and ApoDox prepared in water and stored at −20°C formed very large aggregates (up to 487% of original size). Only ApoDox prepared in water and stored at 4°C showed no significant increase in size or shape. Although this storage caused slower internalization to LNCaP prostate cancer cells, ApoDox (2.5 μM of Dox) still retained its ability to inhibit completely the growth of 1.5×104 LNCaP cells after 72 hours. ApoDox stored at 20°C and 37°C in water was not able to deliver Dox inside the nucleus, and thus did not inhibit the growth of the LNCaP cells. Overall, our study demonstrates that ApoDox has very good stability over the course of 12 weeks when stored properly (at 4°C), and is thus suitable for use as a nanocarrier in the specific delivery of anticancer drugs to patients.
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Affiliation(s)
- Simona Dostalova
- Department of Chemistry and Biochemistry, Mendel University in Brno; Central European Institute of Technology, Brno University of Technology, Brno
| | | | - David Hynek
- Department of Chemistry and Biochemistry, Mendel University in Brno; Central European Institute of Technology, Brno University of Technology, Brno
| | - Sona Krizkova
- Department of Chemistry and Biochemistry, Mendel University in Brno; Central European Institute of Technology, Brno University of Technology, Brno
| | - Lukas Richtera
- Department of Chemistry and Biochemistry, Mendel University in Brno; Central European Institute of Technology, Brno University of Technology, Brno
| | - Marketa Vaculovicova
- Department of Chemistry and Biochemistry, Mendel University in Brno; Central European Institute of Technology, Brno University of Technology, Brno
| | - Tomas Eckschlager
- Department of Pediatric Hematology and Oncology, Second Faculty of Medicine, University Hospital Motol, Charles University
| | - Marie Stiborova
- Department of Biochemistry, Faculty of Science, Charles University, Prague, Czech Republic
| | - Zbynek Heger
- Department of Chemistry and Biochemistry, Mendel University in Brno; Central European Institute of Technology, Brno University of Technology, Brno
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno; Central European Institute of Technology, Brno University of Technology, Brno
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175
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Varbanov HP, Kuttler F, Banfi D, Turcatti G, Dyson PJ. Repositioning approved drugs for the treatment of problematic cancers using a screening approach. PLoS One 2017; 12:e0171052. [PMID: 28166232 PMCID: PMC5293254 DOI: 10.1371/journal.pone.0171052] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Accepted: 01/13/2017] [Indexed: 12/31/2022] Open
Abstract
Advances in treatment strategies together with an earlier diagnosis have considerably increased the average survival of cancer patients over the last four decades. Nevertheless, despite the growing number of new antineoplastic agents introduced each year, there is still no adequate therapy for problematic malignancies such as pancreatic, lung and stomach cancers. Consequently, it is important to ensure that existing drugs used to treat other types of cancers, and potentially other diseases, are not overlooked when searching for new chemotherapy regimens for these problematic cancer types. We describe a screening approach that identifies chemotherapeutics for the treatment of lung and pancreatic cancers, based on drugs already approved for other applications. Initially, the 1280 chemically and pharmacologically diverse compounds from the Prestwick Chemical Library® (PCL) were screened against A549 (lung cancer) and PANC-1 (pancreatic carcinoma) cells using the PrestoBlue fluorescent-based cell viability assay. More than 100 compounds from the PCL were identified as hits in one or both cell lines (80 of them, being drugs used to treat diseases other than cancer). Selected PCL hits were further evaluated in a dose-response manner. Promising candidates for repositioning emanating from this study include antiparasitics, cardiac glycosides, as well as the anticancer drugs vorinostat and topotecan.
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Affiliation(s)
- Hristo P. Varbanov
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- Biomolecular Screening Facility, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- * E-mail: (HPV); (PJD)
| | - Fabien Kuttler
- Biomolecular Screening Facility, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Damiano Banfi
- Biomolecular Screening Facility, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Gerardo Turcatti
- Biomolecular Screening Facility, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Paul J. Dyson
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- * E-mail: (HPV); (PJD)
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176
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Mansour HH, Eid M, El-Arnaouty MB. Effect of silver nanoparticles synthesized by gamma radiation on the cytotoxicity of doxorubicin in human cancer cell lines and experimental animals. Hum Exp Toxicol 2017; 37:38-50. [DOI: 10.1177/0960327116689717] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- HH Mansour
- Health Radiation Research Department, Atomic Energy Authority, Nasr City, Cairo, Egypt
| | - M Eid
- Polymer Chemistry Department, National Centre for Radiation Research and Technology, Atomic Energy Authority, Nasr City, Cairo, Egypt
| | - MB El-Arnaouty
- Health Radiation Research Department, Atomic Energy Authority, Nasr City, Cairo, Egypt
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177
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Bonsignore R, Notaro A, Salvo AMP, Spinello A, Fiasconaro G, Terenzi A, Giacalone F, Keppler BK, Giuliano M, Gruttadauria M, Barone G. DNA-Binding and Anticancer Activity of Pyrene-Imidazolium Derivatives. ChemistrySelect 2016. [DOI: 10.1002/slct.201601502] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Riccardo Bonsignore
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche; Università degli studi di Palermo; Viale delle Scienze Edificio 17 90128, and Plesso di Biochimica Via del Vespro 129 90127 Palermo Italy
| | - Antonietta Notaro
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche; Università degli studi di Palermo; Viale delle Scienze Edificio 17 90128, and Plesso di Biochimica Via del Vespro 129 90127 Palermo Italy
| | - Anna Maria Pia Salvo
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche; Università degli studi di Palermo; Viale delle Scienze Edificio 17 90128, and Plesso di Biochimica Via del Vespro 129 90127 Palermo Italy
| | - Angelo Spinello
- CNR-IOM-Democritos National Simulation Center c/o SISSA; via Bonomea 265 34165 Trieste Italy
| | - Giuseppe Fiasconaro
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche; Università degli studi di Palermo; Viale delle Scienze Edificio 17 90128, and Plesso di Biochimica Via del Vespro 129 90127 Palermo Italy
| | - Alessio Terenzi
- Institute of Inorganic Chemistry; University of Vienna; Waehringerstr. 42, A- 1090 Vienna Austria
- Research Platform “Translational Cancer Therapy Research”; University of Vienna and Medical University of Vienna; Vienna Austria
| | - Francesco Giacalone
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche; Università degli studi di Palermo; Viale delle Scienze Edificio 17 90128, and Plesso di Biochimica Via del Vespro 129 90127 Palermo Italy
| | - Bernhard K. Keppler
- Institute of Inorganic Chemistry; University of Vienna; Waehringerstr. 42, A- 1090 Vienna Austria
- Research Platform “Translational Cancer Therapy Research”; University of Vienna and Medical University of Vienna; Vienna Austria
| | - Michela Giuliano
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche; Università degli studi di Palermo; Viale delle Scienze Edificio 17 90128, and Plesso di Biochimica Via del Vespro 129 90127 Palermo Italy
| | - Michelangelo Gruttadauria
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche; Università degli studi di Palermo; Viale delle Scienze Edificio 17 90128, and Plesso di Biochimica Via del Vespro 129 90127 Palermo Italy
| | - Giampaolo Barone
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche; Università degli studi di Palermo; Viale delle Scienze Edificio 17 90128, and Plesso di Biochimica Via del Vespro 129 90127 Palermo Italy
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178
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Kerkour A, Mergny JL, Salgado GF. NMR based model of human telomeric repeat G-quadruplex in complex with 2,4,6-triarylpyridine family ligand. Biochim Biophys Acta Gen Subj 2016; 1861:1293-1302. [PMID: 28007578 DOI: 10.1016/j.bbagen.2016.12.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 12/12/2016] [Accepted: 12/17/2016] [Indexed: 11/25/2022]
Abstract
G-quadruplexes (G4) are one of the several different forms of non-canonical DNA structures that can occur in our genome. Their existence is thought to be implicated in important biological functions such as positive and negative transcription regulation or telomeric extension. The human telomeric sequence G4 formed by repetitive nucleotide sequences (T2AG3) at each chromosome end is an important example of intramolecular G4. Knowing the atomic details for different families of ligands targeting G-quadruplex structures hypothetically found in the telomeric repeat it is an important step for rational drug design. Especially if the aim is to prevent or interfere with telomerase extending the 3' end of telomeres. In this study, we report the structure of the complex formed between the telomeric repeat sequence (d[AG3(T2AG3)3]) intramolecular G-quadruplex and the 2,4,6-Triarylpyridine compound. This article is part of a Special Issue entitled "G-quadruplex" Guest Editor: Dr. Concetta Giancola and Dr. Daniela Montesarchio.
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Affiliation(s)
- Abdelaziz Kerkour
- Univ. Bordeaux, CNRS/Inserm, Laboratoire ARNA, Institut Européen de Chimie et de Biologie (IECB), 2 rue Robert Escarpit 33607, Pessac, France
| | - Jean-Louis Mergny
- Univ. Bordeaux, CNRS/Inserm, Laboratoire ARNA, Institut Européen de Chimie et de Biologie (IECB), 2 rue Robert Escarpit 33607, Pessac, France
| | - Gilmar F Salgado
- Univ. Bordeaux, CNRS/Inserm, Laboratoire ARNA, Institut Européen de Chimie et de Biologie (IECB), 2 rue Robert Escarpit 33607, Pessac, France.
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179
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Oliveira MS, Goulart GCA, Ferreira LAM, Carneiro G. Hydrophobic ion pairing as a strategy to improve drug encapsulation into lipid nanocarriers for the cancer treatment. Expert Opin Drug Deliv 2016; 14:983-995. [DOI: 10.1080/17425247.2017.1266329] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Mariana Silva Oliveira
- Department of Pharmaceutics, Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Gisele Castro Assis Goulart
- Department of Pharmaceutics, Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Lucas Antônio Miranda Ferreira
- Department of Pharmaceutics, Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Guilherme Carneiro
- Department of Pharmacy, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, MG, Brazil
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180
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Kankeu C, Clarke K, Passante E, Huber HJ. Doxorubicin-induced chronic dilated cardiomyopathy-the apoptosis hypothesis revisited. J Mol Med (Berl) 2016; 95:239-248. [PMID: 27933370 DOI: 10.1007/s00109-016-1494-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 11/17/2016] [Accepted: 11/25/2016] [Indexed: 01/08/2023]
Abstract
The chemotherapeutic agent doxorubicin (DOX) has significantly increased survival rates of pediatric and adult cancer patients. However, 10% of pediatric cancer survivors will 10-20 years later develop severe dilated cardiomyopathy (DCM), whereby the exact molecular mechanisms of disease progression after this long latency time remain puzzling. We here revisit the hypothesis that elevated apoptosis signaling or its increased likelihood after DOX exposure can lead to an impairment of cardiac function and cause a cardiac dilation. Based on recent literature evidence, we first argue why a dilated phenotype can occur when little apoptosis is detected. We then review findings suggesting that mature cardiomyocytes are protected against DOX-induced apoptosis downstream, but not upstream of mitochondrial outer membrane permeabilisation (MOMP). This lack of MOMP induction is proposed to alter the metabolic phenotype, induce hypertrophic remodeling, and lead to functional cardiac impairment even in the absence of cardiomyocyte apoptosis. We discuss findings that DOX exposure can lead to increased sensitivity to further cardiomyocyte apoptosis, which may cause a gradual loss in cardiomyocytes over time and a compensatory hypertrophic remodeling after treatment, potentially explaining the long lag time in disease onset. We finally note similarities between DOX-exposed cardiomyocytes and apoptosis-primed cancer cells and propose computational system biology as a tool to predict patient individual DOX doses. In conclusion, combining recent findings in rodent hearts and cardiomyocytes exposed to DOX with insights from apoptosis signal transduction allowed us to obtain a molecularly deeper insight in this delayed and still enigmatic pathology of DCM.
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Affiliation(s)
- Cynthia Kankeu
- Department of Cardiovascular Sciences, KU Leuven, 3000, Leuven, Belgium
| | - Kylie Clarke
- Department of Cardiovascular Sciences, KU Leuven, 3000, Leuven, Belgium
| | - Egle Passante
- School of Pharmacy and Biomedical Sciences, Univ. of Central Lancashire, Preston, UK
| | - Heinrich J Huber
- Department of Cardiovascular Sciences, KU Leuven, 3000, Leuven, Belgium. .,Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, 123 St Stephens Green, Dublin 2, Ireland.
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181
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Hörner S, Knauer S, Uth C, Jöst M, Schmidts V, Frauendorf H, Thiele CM, Avrutina O, Kolmar H. Nanoskalige, biologisch abbaubare organisch-anorganische Hybride für effiziente Zellaufnahme und Wirkstofftransport. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201606065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sebastian Hörner
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie; Technische Universität Darmstadt; Alarich-Weiss-Straße 4 64287 Darmstadt Deutschland
| | - Sascha Knauer
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie; Technische Universität Darmstadt; Alarich-Weiss-Straße 4 64287 Darmstadt Deutschland
| | - Christina Uth
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie; Technische Universität Darmstadt; Alarich-Weiss-Straße 4 64287 Darmstadt Deutschland
| | - Marina Jöst
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie; Technische Universität Darmstadt; Alarich-Weiss-Straße 4 64287 Darmstadt Deutschland
| | - Volker Schmidts
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie; Technische Universität Darmstadt; Alarich-Weiss-Straße 16 64287 Darmstadt Deutschland
| | - Holm Frauendorf
- Institut für Organische und Biomolekulare Chemie; Georg-August Universität Göttingen; Tammannstraße 2 37077 Göttingen Deutschland
| | - Christina Marie Thiele
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie; Technische Universität Darmstadt; Alarich-Weiss-Straße 16 64287 Darmstadt Deutschland
| | - Olga Avrutina
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie; Technische Universität Darmstadt; Alarich-Weiss-Straße 4 64287 Darmstadt Deutschland
| | - Harald Kolmar
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie; Technische Universität Darmstadt; Alarich-Weiss-Straße 4 64287 Darmstadt Deutschland
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182
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Hörner S, Knauer S, Uth C, Jöst M, Schmidts V, Frauendorf H, Thiele CM, Avrutina O, Kolmar H. Nanoscale Biodegradable Organic–Inorganic Hybrids for Efficient Cell Penetration and Drug Delivery. Angew Chem Int Ed Engl 2016; 55:14842-14846. [DOI: 10.1002/anie.201606065] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 09/27/2016] [Indexed: 02/02/2023]
Affiliation(s)
- Sebastian Hörner
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie Technische Universität Darmstadt Alarich-Weiss-Strasse 4 64287 Darmstadt Germany
| | - Sascha Knauer
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie Technische Universität Darmstadt Alarich-Weiss-Strasse 4 64287 Darmstadt Germany
| | - Christina Uth
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie Technische Universität Darmstadt Alarich-Weiss-Strasse 4 64287 Darmstadt Germany
| | - Marina Jöst
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie Technische Universität Darmstadt Alarich-Weiss-Strasse 4 64287 Darmstadt Germany
| | - Volker Schmidts
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie Technische Universität Darmstadt Alarich-Weiss-Strasse 16 64287 Darmstadt Germany
| | - Holm Frauendorf
- Institut für Organische und Biomolekulare Chemie Georg-August Universität Göttingen Tammannstrasse 2 37077 Göttingen Germany
| | - Christina Marie Thiele
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie Technische Universität Darmstadt Alarich-Weiss-Strasse 16 64287 Darmstadt Germany
| | - Olga Avrutina
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie Technische Universität Darmstadt Alarich-Weiss-Strasse 4 64287 Darmstadt Germany
| | - Harald Kolmar
- Clemens-Schöpf-Institut für Organische Chemie und Biochemie Technische Universität Darmstadt Alarich-Weiss-Strasse 4 64287 Darmstadt Germany
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183
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Wu SY, Park GY, Kim SH, Hulme J, An SSA. Diminazene aceturate: an antibacterial agent for Shiga-toxin-producing Escherichia coli O157:H7. DRUG DESIGN DEVELOPMENT AND THERAPY 2016; 10:3363-3378. [PMID: 27789937 PMCID: PMC5072558 DOI: 10.2147/dddt.s114832] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The aim of this study was to investigate the bacteriostatic and bactericidal effects of diminazene aceturate (DA) against five strains of pathogenic bacteria and two strains of nonpathogenic bacteria. The results showed that 5 μg/mL of DA suppressed the growth of pathogenic Escherichia coli by as much as 77% compared with the controls. Enterohemorrhagic E. coli EDL933 (an E. coli O157:H7 strain) was the most sensitive to DA with a minimum inhibitory concentration of 20 μg/mL. Additional investigations showed that DA induced the highest level of intracellular reactive oxygen species in EDL933. A positive correlation between the reactive oxygen species levels and DA concentration was demonstrated. DA (5 μg/mL) was also a potent uncoupler, inducing a stationary phase collapse (70%–75%) in both strains of E. coli O157:H7. Further investigation showed that the collapse was due to the NaCl:DA ratio in the broth and was potassium ion dependent. A protease screening assay was conducted to elucidate the underlying mechanism. It was found that at neutral pH, the hydrolysis of H-Asp-pNA increased by a factor of 2–3 in the presence of DA, implying that DA causes dysregulation of the proton motive force and a decrease in cellular pH. Finally, a commercial verotoxin test showed that DA did not significantly increase toxin production in EDL933 and was a suitable antibacterial agent for Shiga-toxin-producing E. coli.
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Affiliation(s)
- Si-Ying Wu
- Department of BioNano Technology, Gachon BioNano Research Institute, Gachon University, Seongnam-si
| | - Gil-Yong Park
- Department of BioNano Technology, Gachon BioNano Research Institute, Gachon University, Seongnam-si
| | - So-Hee Kim
- Seoul National University Bundang Hospital, Gyeonggi-do, Republic of Korea
| | - John Hulme
- Department of BioNano Technology, Gachon BioNano Research Institute, Gachon University, Seongnam-si
| | - Seong Soo A An
- Department of BioNano Technology, Gachon BioNano Research Institute, Gachon University, Seongnam-si
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