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Li WM, Chiang CS, Huang WC, Su CW, Chiang MY, Chen JY, Chen SY. Amifostine-conjugated pH-sensitive calcium phosphate-covered magnetic-amphiphilic gelatin nanoparticles for controlled intracellular dual drug release for dual-targeting in HER-2-overexpressing breast cancer. J Control Release 2015; 220:107-118. [PMID: 26478017 DOI: 10.1016/j.jconrel.2015.10.020] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Revised: 10/01/2015] [Accepted: 10/13/2015] [Indexed: 01/10/2023]
Abstract
We developed a surfactant-free method utilizing amifostine to stably link a targeting ligand (Herceptin) to amphiphilic gelatin (AG)-iron oxide@calcium phosphate (CaP) nanoparticles with hydrophobic curcumin (CUR) and hydrophilic doxorubicin (DOX) encapsulated in the AG core and CaP shell (AGIO@CaP-CD), respectively. This multi-functional nanoparticle system has a pH-sensitive CaP shell and degradable amphiphilic gelatin (AG) core, which enables controllable sequential release of the two drugs. The dual-targeting system of AGIO@CaP-CD (HER-AGIO@CaP-CD) with a bioligand and magnetic targeting resulted in significantly elevated cellular uptake in HER2-overexpressing SKBr3 cells and more efficacious therapy than delivery of targeting ligand alone due to the synergistic cell multi-drug resistance/apoptosis-inducing effect of the CUR and DOX combination. This nanoparticle combined with Herceptin and iron oxide nanoparticles not only provided a dual-targeting functionality, but also encapsulated CUR and DOX as a dual-drug delivery system for the combination therapy. This study further demonstrated that the therapeutic efficacy of this dual-targeting co-delivery system can be improved by modifying the application duration of magnetic targeting, which makes this combination therapy system a powerful new tool for in vitro/in vivo cancer therapy, especially for HER2-positive cancers.
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Affiliation(s)
- Wei-Ming Li
- Department of Materials Sciences and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Chih-Sheng Chiang
- Department of Materials Sciences and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Wei-Chen Huang
- Department of Materials Sciences and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Chia-Wei Su
- Department of Materials Sciences and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Min-Yu Chiang
- Department of Materials Sciences and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Jian-Yi Chen
- Department of Materials Sciences and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - San-Yuan Chen
- Department of Materials Sciences and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan.
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Kline LW, Karpinski E. Curcumin Relaxes Precontracted Guinea Pig Gallbladder Strips via Multiple Signaling Pathways. Gastroenterology Res 2015; 8:253-259. [PMID: 27785305 PMCID: PMC5051043 DOI: 10.14740/gr689w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/28/2015] [Indexed: 12/02/2022] Open
Abstract
Background Curcumin (diferuloymethane) is the active ingredient of the dietary spice turmeric. Curcumin modulates various signalling molecules, including inflammatory agents, transcription factors, protein kinases and cell cycle regulatory proteins. The purpose of this study was to determine if curcumin had an effect on gallbladder motility. Methods A pharmacologic in vitro technique was used. Since curcumin relaxed both cholecystokinin octapeptide- (CCK) and KCl-induced tension of guinea pig gallbladder strips in a concentration dependent manner, an in vitro technique was used to determine which second messenger system(s) mediated the observed relaxation. Paired t-tests, t-tests and analysis of variance were used for statistical analysis. Differences between mean values of P < 0.05 were considered significant. Results To determine if protein kinase A (PKA) mediated the curcumin-induced relaxation, PKA inhibitor 14-22 amide myristolated (PKA-IM) was used. PKA-IM had no significant effect on the amount of curcumin-induced relaxation. When the protein kinase C (PKC) inhibitors bisindolymaleimide IV and chelerythrine Cl- were used together, a significant (P < 0.01) reduction in the curcumin-induced relaxation was observed. The use of tetraethylammonium chloride (TEA) caused a significant (P < 0.01) decrease in the amount of curcumin-induced relaxation. Adding curcumin prior to the KCl caused a significant (P < 0.001) decrease in the amount of KCl-induced tension. Conclusions The results suggested that the curcumin-induced relaxation is mediated by multiple signaling pathways including the PKC second messenger system, inhibiting extracellular Ca2+ entry and K+ channels.
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Affiliation(s)
- Loren W Kline
- School of Dentistry, University of Alberta, Edmonton, Alberta T6G 2E1, Canada
| | - Edward Karpinski
- Department of Physiology, University of Alberta, Edmonton, Alberta T6G 2H7, Canada
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Abstract
In recent times, dozens of articles have been rushing to report the excellent performance of curcumin in inhibiting the proliferation of glioma cells and in inducing apoptosis and autophagy. However, in this study, we found that curcumin could not only effectively inhibit the proliferation of glioma cells but also induce glioma cells to be stem-like, which showed that it caused some glioma cells to form spheres with CD133 and Nestin positive markers. Further research on its underlying mechanism showed that curcumin suppressed transition of the cells from G1 to S phase and enhanced the expression of Sox4, Sox2, and Oct4, which were essential to retain the stemness properties of glioma-initiating cells. In conclusion, we believe these findings can complement our knowledge on curcumin and arouse our attention to use curcumin for further research on glioma treatment.
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SZC017, a novel oleanolic acid derivative, induces apoptosis and autophagy in human breast cancer cells. Apoptosis 2015; 20:1636-50. [DOI: 10.1007/s10495-015-1179-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Manu KA, Shanmugam MK, Ramachandran L, Li F, Siveen KS, Chinnathambi A, Zayed M, Alharbi SA, Arfuso F, Kumar AP, Ahn KS, Sethi G. Isorhamnetin augments the anti-tumor effect of capeciatbine through the negative regulation of NF-κB signaling cascade in gastric cancer. Cancer Lett 2015; 363:28-36. [DOI: 10.1016/j.canlet.2015.03.033] [Citation(s) in RCA: 133] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Revised: 03/18/2015] [Accepted: 03/18/2015] [Indexed: 01/28/2023]
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Xia YQ, Wei XY, Li WL, Kanchana K, Xu CC, Chen DH, Chou PH, Jin R, Wu JZ, Liang G. Curcumin analogue A501 induces G2/M arrest and apoptosis in non-small cell lung cancer cells. Asian Pac J Cancer Prev 2015; 15:6893-8. [PMID: 25169542 DOI: 10.7314/apjcp.2014.15.16.6893] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Curcumin and its analogues have been reported to exert anti-cancer activity against a variety of tumors. Here, we reported A501, a new curcumin analogue. The effect of A501 on cell viability was detected by MTT assay, the result showed that A501 had a better inhibiting effect on the four non-small cell lung cancer (NSCLC) cells than that of curcumin. Moreover, Colony forming experiment showed A501 significant restrained cell proliferation. Flow cytometry displayed A501 can cause G2/M arrest and induce apoptosis. Western blotting showed that A501 decreased the expression of cyclinB1, cdc-2, bcl-2, while increased the expression of p53, cleaved caspase-3 and bax. In conclusion, curcumin analogues A501 played antitumor activity by inhibiting cell proliferation and inducing apoptosis of NSCLC cells. And it was likely to be a promising starting point for the development of curcumin-based anticancer drugs.
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Affiliation(s)
- Yi-Qun Xia
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China E-mail : ,
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Huang WT, Larsson M, Wang YJ, Chiou SH, Lin HY, Liu DM. Demethoxycurcumin-carrying chitosan-antibody core-shell nanoparticles with multitherapeutic efficacy toward malignant A549 lung tumor: from in vitro characterization to in vivo evaluation. Mol Pharm 2015; 12:1242-9. [PMID: 25760774 DOI: 10.1021/mp500747w] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Targeting controlled release core-shell nanocarriers with the potential to overcome multidrug resistant (MDR) lung cancer were prepared based on demethoxycurcumin (DMC) loaded amphiphilic chitosan nanoparticles coated with an anti-EGFR antibody layer. The nanocarriers were characterized with regard to size with dynamic light scattering, SEM, and TEM. The characterization confirmed the nanocarriers to have a surface coating of the anti-EGFR antibody and a final size excellently suited for circulating targeting nanocarriers, i.e., <200 nm in diameter. In vitro drug release revealed extended quasi-Fickian release from the nanocarriers, with the anti-EGFR layer further reducing the release rate. Cell culture experiments using normoxic and MDR hypoxic cells overexpressing EGFR confirmed improved DMC delivery for anti-EGFR coated particles and revealed that the DMC was delivered to the cytoplasmic region of the cells, forming nanoprecipitates in lysosomes and endosomes. The effective endocytosis and targeting of the core-shell nanoparticles resulted in the nanocarriers achieving high cytotoxicity also against MDR cells. The therapeutic potential was further confirmed in an A549 xenograft lung tumor mouse model, where DMC loaded core-shell nanocarriers achieved about 8-fold reduction in tumor volume compared with control group over the 8 weeks of the investigation. Both in vitro and in vivo data suggest the anti-EGFR coated core-shell nanocarriers as highly promising for treatment of hypoxic MDR cancers, especially for non-small cell lung cancer.
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Affiliation(s)
- Wei-Ting Huang
- †Nano-Bioengineering Lab, Department of Material Science and Engineering, BioICT Consortium, National Chiao Tung University, Hsinchu 301, Taiwan
| | - Mikael Larsson
- †Nano-Bioengineering Lab, Department of Material Science and Engineering, BioICT Consortium, National Chiao Tung University, Hsinchu 301, Taiwan.,‡Ian Wark Research Institute, University of South Australia, Mawson Lakes Campus, Mawson Lakes, South Australia 5095, Australia
| | - Yen-Jen Wang
- †Nano-Bioengineering Lab, Department of Material Science and Engineering, BioICT Consortium, National Chiao Tung University, Hsinchu 301, Taiwan
| | - Shih-Hwa Chiou
- §Institute of Pharmacology, National Yang-Ming University, Taipei, Taiwan.,∥Department of Medical Research and Education, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Hui-Yi Lin
- ⊥School of Pharmacy, China Medical University, Taichung, Taiwan
| | - Dean-Mo Liu
- †Nano-Bioengineering Lab, Department of Material Science and Engineering, BioICT Consortium, National Chiao Tung University, Hsinchu 301, Taiwan
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Koprowski S, Sokolowski K, Kunnimalaiyaan S, Gamblin TC, Kunnimalaiyaan M. Curcumin-mediated regulation of Notch1/hairy and enhancer of split-1/survivin: molecular targeting in cholangiocarcinoma. J Surg Res 2015; 198:434-40. [PMID: 25890434 DOI: 10.1016/j.jss.2015.03.029] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Revised: 02/26/2015] [Accepted: 03/12/2015] [Indexed: 02/08/2023]
Abstract
BACKGROUND Cholangiocarcinoma (CCA) is highly malignant and characterized by poor prognosis with chemotherapeutic resistance. Therefore, continued development of novel, effective approaches are needed. Notch expression is markedly upregulated in CCA, but the utility of Notch1 inhibition is not defined. Based on recent findings, we hypothesized that curcumin, a polyphenolic phytochemical, suppresses CCA growth in vitro via inhibition of Notch1 signaling. METHODS Established CCA cell lines CCLP-1 and SG-231 were treated with varying concentrations of curcumin (0-20 μM). Viability was assessed through 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide and clonogenic assays. Evaluation of apoptosis was determined via Western analysis for apoptotic markers and Caspase-Glo 3/7 assay. Cell lysates were further analyzed via Western blotting for Notch1/HES-1/survivin pathway expression, cell cycle progression, and survival. RESULTS Curcumin-treated CCA cells exhibited reduced viability compared with control treatment. Statistically significant reductions in cell viability were observed with curcumin treatment at concentrations of 7.5, 10, and 15 μM by approximately 10%, 48%, and 56% for CCLP-1 and 13%, 25%, and 50% for SG-231, respectively. On Western analysis, concentrations of ≥10 μM showed reductions in Notch1, HES-1, and survivin. Apoptosis was evidenced by an increase in expression of cleaved poly [ADP] ribose polymerase and an increase in caspase activity. Cyclin D1 (cell cycle progression) expression levels were also reduced with treatment. CONCLUSIONS Curcumin effectively induces CCA (CCLP-1 and SG-231) growth suppression and apoptosis at relatively low treatment concentrations when compared with the previous research. A concomitant reduction of Notch1, HES-1, and survivin expression in CCA cell lines provides novel evidence for a potential antitumorigenic mechanism-of-action. To our knowledge, this is the first report showing reduction in HES-1 expression via protein analysis after treatment with curcumin. Such findings merit further investigation of curcumin-mediated inhibition of Notch signaling in CCA either alone or in combination with chemotherapeutic agents.
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Affiliation(s)
- Steven Koprowski
- Division of Surgical Oncology, Department of Surgery, MCW Cancer Center, Translational and Biomedical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Kevin Sokolowski
- Division of Surgical Oncology, Department of Surgery, MCW Cancer Center, Translational and Biomedical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Selvi Kunnimalaiyaan
- Division of Surgical Oncology, Department of Surgery, MCW Cancer Center, Translational and Biomedical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - T Clark Gamblin
- Division of Surgical Oncology, Department of Surgery, MCW Cancer Center, Translational and Biomedical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin.
| | - Muthusamy Kunnimalaiyaan
- Division of Surgical Oncology, Department of Surgery, MCW Cancer Center, Translational and Biomedical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin.
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Xi Y, Gao H, Callaghan MU, Fribley AM, Garshott DM, Xu ZX, Zeng Q, Li YL. Induction of BCL2-Interacting Killer, BIK, is Mediated for Anti-Cancer Activity of Curcumin in Human Head and Neck Squamous Cell Carcinoma Cells. J Cancer 2015; 6:327-32. [PMID: 25767602 PMCID: PMC4349872 DOI: 10.7150/jca.11185] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Accepted: 01/03/2015] [Indexed: 02/07/2023] Open
Abstract
Naturally occurring diarylheptanoid curcumin (CUR), a principal component of the Asian spice turmeric, has been shown to have anti-cancer effects in many tumor types. However, a detailed mechanism regarding CUR induced tumor cell killing remain to be comprehensively explored. Using two head neck squamous cell carcinoma (HNSCC) cell lines FaDu (hypopharyngeal) and Cal27 (tongue), we demonstrated a novel mechanism by which CUR levies the cytotoxic effect. We found that CUR induced upregulation of pro-apoptotic Bik, down-regulation of survival signaling by AKT and NF-κB prior to the induction of the caspase-cascade reduction of cell proliferation, are primary mechanisms of CUR-induced cell death, thus providing insights into the anti-tumor activity of CUR in HNSCC cells.
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Affiliation(s)
- Yue Xi
- 1. The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun 130021, China ; 2. Carmen and Ann Adams Department of Pediatrics, Department of Otolaryngology, Wayne State University, Detroit, MI 48201, USA
| | - Hang Gao
- 1. The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun 130021, China
| | - Michael U Callaghan
- 2. Carmen and Ann Adams Department of Pediatrics, Department of Otolaryngology, Wayne State University, Detroit, MI 48201, USA
| | - Andrew M Fribley
- 2. Carmen and Ann Adams Department of Pediatrics, Department of Otolaryngology, Wayne State University, Detroit, MI 48201, USA ; 3. Molecular Therapeutics Program, Karmanos Cancer Institute, Detroit, MI 48201, USA
| | - Danielle M Garshott
- 2. Carmen and Ann Adams Department of Pediatrics, Department of Otolaryngology, Wayne State University, Detroit, MI 48201, USA
| | - Zhi-Xiang Xu
- 1. The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun 130021, China ; 4. Division of Hematology/Oncology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Qinghua Zeng
- 1. The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun 130021, China ; 4. Division of Hematology/Oncology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Yu-Lin Li
- 1. The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun 130021, China
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Uwagawa T, Yanaga K. Effect of NF-κB inhibition on chemoresistance in biliary-pancreatic cancer. Surg Today 2015; 45:1481-8. [PMID: 25673034 DOI: 10.1007/s00595-015-1129-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Accepted: 01/26/2015] [Indexed: 12/13/2022]
Abstract
Biliary cancer and pancreatic cancer are considered to be difficult diseases to cure. Although complete resection provides the only means of curing these cancers, the rate of resectability is not high. Therefore, chemotherapy is often selected in patients with advanced unresectable biliary-pancreatic cancer. Many combination chemotherapy regimens have been applied in clinical trials. However, the survival time is not satisfactory. On the other hand, most chemotherapeutic agents induce anti-apoptotic transcriptional factor nuclear factor kappa b (NF-κB) activation, and agent-induced NF-κB activation is deeply involved in the onset of chemoresistance. Recently, novel approaches to potentiating chemosensitivity in cases of biliary-pancreatic cancer using NF-κB inhibitors with cytotoxic agents have been reported, most of which comprise translational research, although some clinical trials have also been conducted. Nevertheless, to date, there is no breakthrough chemotherapy regimen for these diseases. As some reports show promising data, combination chemotherapy consisting of a NF-κB inhibitor with chemotherapeutic agents seems to improve chemosensitivity and prolong the survival time of biliary-pancreatic cancer patients.
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Affiliation(s)
- Tadashi Uwagawa
- Department of Surgery, The Jikei University School of Medicine, Tokyo, Japan.
| | - Katsuhiko Yanaga
- Department of Surgery, The Jikei University School of Medicine, Tokyo, Japan
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The multifaceted role of curcumin in cancer prevention and treatment. Molecules 2015; 20:2728-69. [PMID: 25665066 PMCID: PMC6272781 DOI: 10.3390/molecules20022728] [Citation(s) in RCA: 296] [Impact Index Per Article: 32.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 01/30/2015] [Indexed: 02/07/2023] Open
Abstract
Despite significant advances in treatment modalities over the last decade, neither the incidence of the disease nor the mortality due to cancer has altered in the last thirty years. Available anti-cancer drugs exhibit limited efficacy, associated with severe side effects, and are also expensive. Thus identification of pharmacological agents that do not have these disadvantages is required. Curcumin, a polyphenolic compound derived from turmeric (Curcumin longa), is one such agent that has been extensively studied over the last three to four decades for its potential anti-inflammatory and/or anti-cancer effects. Curcumin has been found to suppress initiation, progression, and metastasis of a variety of tumors. These anti-cancer effects are predominantly mediated through its negative regulation of various transcription factors, growth factors, inflammatory cytokines, protein kinases, and other oncogenic molecules. It also abrogates proliferation of cancer cells by arresting them at different phases of the cell cycle and/or by inducing their apoptosis. The current review focuses on the diverse molecular targets modulated by curcumin that contribute to its efficacy against various human cancers.
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Danciu C, Vlaia L, Fetea F, Hancianu M, Coricovac DE, Ciurlea SA, Şoica CM, Marincu I, Vlaia V, Dehelean CA, Trandafirescu C. Evaluation of phenolic profile, antioxidant and anticancer potential of two main representants of Zingiberaceae family against B164A5 murine melanoma cells. Biol Res 2015; 48:1. [PMID: 25654588 PMCID: PMC4417255 DOI: 10.1186/0717-6287-48-1] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Accepted: 12/04/2014] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Curcuma longa Linnaeus and Zingiber officinale Roscoe are two main representatives of Zingiberaceae family studied for a wide range of therapeutic properties, including: antioxidant, anti-inflammatory, anti-angiogenic, antibacterial, analgesic, immunomodulatory, proapoptotic, anti-human immunodeficiency virus properties and anticancer effects. This study was aimed to analyse the ethanolic extracts of Curcuma rhizome (Curcuma longa Linnaeus) and Zingiber rhizome (Zingiber officinale Roscoe) in terms of polyphenols, antioxidant activity and anti-melanoma potential employing the B164A5 murine melanoma cell line. RESULTS In order to evaluate the total content of polyphenols we used Folin-Ciocâlteu method. The antioxidant activity of the two ethanolic extracts was determined by DPPH assay, and for the control of antiproliferative effect it was used MTT proliferation assay, DAPI staining and Annexin-FITC-7AAD double staining test. Results showed increased polyphenols amount and antioxidant activity for Curcuma rhizome ethanolic extract. Moreover, 100 μg/ml of ethanolic plant extract from both vegetal products presented in a different manner an antiproliferative, respectively a proapoptotic effect on the selected cell line. CONCLUSIONS The study concludes that Curcuma rhizome may be a promising natural source for active compounds against malignant melanoma.
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Affiliation(s)
- Corina Danciu
- Department of Pharmacognosy, Faculty of Pharmacy, University of Medicine and Pharmacy Victor Babes", Eftimie Murgu Square, No. 2, Timisoara, 300041, Romania.
| | - Lavinia Vlaia
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Medicine and Pharmacy Victor Babes", Eftimie Murgu Square, No. 2, Timisoara, 300041, Romania.
| | - Florinela Fetea
- Department of Chemistry and Biochemistry, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Mănăştur Str.,No. 3-5, Cluj-Napoca, 400372, Romania.
| | - Monica Hancianu
- Department of Pharmacognosy, Faculty of Pharmacy, University of Medicine and Pharmacy "Gr.T.Popa", Iasi, Romania.
| | - Dorina E Coricovac
- Department of Toxicology, Faculty of Pharmacy, University of Medicine and Pharmacy "Victor Babes", Eftimie Murgu Square, No. 2, Timisoara, 300041, Romania.
| | - Sorina A Ciurlea
- Department of Toxicology, Faculty of Pharmacy, University of Medicine and Pharmacy "Victor Babes", Eftimie Murgu Square, No. 2, Timisoara, 300041, Romania.
| | - Codruţa M Şoica
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Victor Babes", Eftimie Murgu Square, No. 2, Timisoara, 300041, Romania.
| | - Iosif Marincu
- Faculty of Medicine, University of Medicine and Pharmacy "Victor Babes", Eftimie Murgu Square, No. 2, Timisoara, 300041, Romania.
| | - Vicentiu Vlaia
- Department of Organic Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Victor Babes", Eftimie Murgu Square, No. 2, Timisoara, 300041, Romania.
| | - Cristina A Dehelean
- Department of Pharmacognosy, Faculty of Pharmacy, University of Medicine and Pharmacy "Gr.T.Popa", Iasi, Romania.
| | - Cristina Trandafirescu
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Victor Babes", Eftimie Murgu Square, No. 2, Timisoara, 300041, Romania.
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Molecular targets of naturopathy in cancer research: bridge to modern medicine. Nutrients 2015; 7:321-34. [PMID: 25569626 PMCID: PMC4303842 DOI: 10.3390/nu7010321] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Accepted: 12/23/2014] [Indexed: 01/10/2023] Open
Abstract
The relevance of naturopathy (defined as the practice of medicine for the treatment of human diseases with natural agents) in human cancer is beginning to be appreciated, as documented by renewed interest in nutraceutical research, the natural anticancer agents of dietary origin. Because of their pleiotropic effects and the ability to modulate multiple signaling pathways, which is a good attribute of natural agents, nutraceuticals have frequently been demonstrated to re-sensitize drug-resistant cancers. The effectiveness of nutraceuticals can be further enhanced if the tools for the relative assessment of their molecular targets are readily available. Such information can be critical for determining their most effective uses. Here, we discuss the anticancer potential of nutraceuticals and the associated challenges that have interfered with their translational potential as a naturopathic approach for the management of cancers. In the years to come, an efficient screening and assessment of molecular targets will be the key to make rapid progress in the area of drug design and discovery, especially focusing on evidence-based development of naturopathy for the treatment of human malignancies.
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Chang CH, Chen HX, Yü G, Peng CC, Peng RY. Curcumin-Protected PC12 Cells Against Glutamate-Induced Oxidative Toxicity. Food Technol Biotechnol 2014; 52:468-478. [PMID: 27904320 PMCID: PMC5079148 DOI: 10.17113/ftb.52.04.14.3622] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2014] [Accepted: 08/11/2014] [Indexed: 01/23/2023] Open
Abstract
Glutamate is a major excitatory neurotransmitter present in the central nervous system. The glutamate/cystine antiporter system x c- connects the antioxidant defense with neurotransmission and behaviour. Overactivation of ionotropic glutamate receptors induces neuronal death, a pathway called excitotoxicity. Glutamate-induced oxidative stress is a major contributor to neurodegenerative diseases including cerebral ischemia, Alzheimer's and Huntington's disease. Curcuma has a wide spectrum of biological activities regarding neuroprotection and neurocognition. By reducing the oxidative damage, curcumin attenuates a spinal cord ischemia-reperfusion injury, seizures and hippocampal neuronal loss. The rat pheochromocytoma (PC12) cell line exhibits many characteristics useful for the study of the neuroprotection and neurocognition. This investigation was carried out to determine whether the neuroprotective effects of curcumin can be observed via the glutamate-PC12 cell model. Results indicate that glutamate (20 mM) upregulated glutathione peroxidase 1, glutathione disulphide, Ca2+ influx, nitric oxide production, cytochrome c release, Bax/Bcl-2 ratio, caspase-3 activity, lactate dehydrogenase release, reactive oxygen species, H 2 O 2 , and malondialdehyde; and downregulated glutathione, glutathione reductase, superoxide dismutase and catalase, resulting in enhanced cell apoptosis. Curcumin alleviates all these adverse effects. Conclusively, curcumin can effectively protect PC12 cells against the glutamate-induced oxidative toxicity. Its mode of action involves two pathways: the glutathione-dependent nitric oxide-reactive oxygen species pathway and the mitochondria-dependent nitric oxide-reactive oxygen species pathway.
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Affiliation(s)
- Chi-Huang Chang
- Research Institute of Biotechnology, Hungkuang University, 34 Chung-Chie Rd., Shalu County,
Taichung City 43022, Taiwan
| | - Hua-Xin Chen
- Department of Pharmacy, Kuang-Tieng General Hospital, Shalu County, Taichung City 43302, Taiwan
| | - George Yü
- Research Institute of Biotechnology, Hungkuang University, 34 Chung-Chie Rd., Shalu County,
Taichung City 43022, Taiwan
| | - Chiung-Chi Peng
- Graduate Institute of Clinical Medicine, Taipei Medical University, 250 Wu-Xing St., Taipei 10031, Taiwan
| | - Robert Y. Peng
- Research Institute of Biotechnology, Hungkuang University, 34 Chung-Chie Rd., Shalu County,
Taichung City 43022, Taiwan
- Research Institute of Medical Sciences, Taipei Medical University, 250 Wu-Xing St., Taipei 10031, Taiwan
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Lu Y, Wei C, Xi Z. Curcumin suppresses proliferation and invasion in non-small cell lung cancer by modulation of MTA1-mediated Wnt/β-catenin pathway. In Vitro Cell Dev Biol Anim 2014; 50:840-50. [PMID: 24938356 DOI: 10.1007/s11626-014-9779-5] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Accepted: 05/15/2014] [Indexed: 12/30/2022]
Abstract
Curcumin, a naturally occurring phenolic compound, has a diversity of antitumor activities. It has been previously demonstrated that curcumin can inhibit the invasion and metastasis of tumors through activation of the tumor suppressor DnaJ-like heat shock protein 40 (HLJ1). However, the specific roles and mechanisms of curcumin in regulating the malignant behaviors of non-small cell lung cancer (NSCLC) cells still remain unclear. In this study, we found that curcumin could inhibit the proliferation and invasion of NSCLC cells and induce G0/G1 phase arrest. Metastasis-associated protein 1 (MTA1) overexpression has been detected in a wide variety of aggressive tumors and plays an important role on cell invasion and metastasis. Our results showed that curcumin could effectively inhibit the MTA1 expression of NSCLC cells. Further research on the subsequent mechanism showed that curcumin inhibited the proliferation and invasion of NSCLC cells through MTA1-mediated inactivation of Wnt/β-catenin pathway. Wnt/β-catenin signaling was reported to play a critical cooperative role on promoting lung tumorigenesis. Thus, these investigations provided novel insights into the mechanisms of curcumin on inhibition of NSCLC cell growth and invasion and showed potential therapeutic strategies for NSCLC.
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Affiliation(s)
- Yimin Lu
- Department of Emergency, First Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, People's Republic of China
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66
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Oh SB, Hwang CJ, Song SY, Jung YY, Yun HM, Sok CH, Sung HC, Yi JM, Park DH, Ham YW, Han SB, Hwang BY, Hong JT. Anti-cancer effect of tectochrysin in NSCLC cells through overexpression of death receptor and inactivation of STAT3. Cancer Lett 2014; 353:95-103. [DOI: 10.1016/j.canlet.2014.07.007] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 06/01/2014] [Accepted: 07/07/2014] [Indexed: 01/12/2023]
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Duan W, Chang Y, Li R, Xu Q, Lei J, Yin C, Li T, Wu Y, Ma Q, Li X. Curcumin inhibits hypoxia inducible factor‑1α‑induced epithelial‑mesenchymal transition in HepG2 hepatocellular carcinoma cells. Mol Med Rep 2014; 10:2505-10. [PMID: 25216080 DOI: 10.3892/mmr.2014.2551] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 07/01/2014] [Indexed: 11/06/2022] Open
Abstract
Hepatocellular carcinoma (HCC) accounts for the majority of liver cancers. A hypoxic microenvironment is a common feature of HCC, and is associated with malignant invasion, metastasis and epithelial-mesenchymal transition (EMT) changes. Curcumin is a botanical agent derived from the dried rhizome of Curcuma longa. Although a number of preclinical studies have shown that curcumin has anticancer properties when administered in a normoxic microenvironment, no studies have directly examined the effect of curcumin on preventing HCC invasion and metastasis under hypoxic conditions. This study aimed to determine whether curcumin has effects on the hypoxia-induced malignant biological behavior of HCC. CoCl2 was used to establish a hypoxia model in vitro. The results showed that curcumin significantly decreased hypoxia-induced hypoxia inducible factor-1α (HIF-1α) protein level in HepG2 cells. Furthermore, cell proliferation, migration and invasiveness, as well as EMT changes associated with HIF-1α accumulation generated by a hypoxic microenvironment, were eliminated by curcumin. In conclusion, these data indicate that curcumin may be a viable anticancer agent in the treatment of HCC.
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Affiliation(s)
- Wanxing Duan
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Yuanhong Chang
- Department of Gastroenterology, Xi'an No. 4 Hospital, Affiliated Guangren Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Rong Li
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Qinhong Xu
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Jianjun Lei
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Caiqiao Yin
- Department of Gastroenterology, Xi'an No. 4 Hospital, Affiliated Guangren Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Ting Li
- Department of Gastroenterology, Xi'an No. 4 Hospital, Affiliated Guangren Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Yanzhao Wu
- Department of Gastroenterology, Xi'an No. 4 Hospital, Affiliated Guangren Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China
| | - Qingyong Ma
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Xuqi Li
- Department of General Surgery, First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
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Ban JO, Jung YS, Kim DH, Park KR, Yun HM, Lee NJ, Lee HP, Shim JH, Jeong HS, Lee YH, Ham YW, Han SB, Hong JT. (E)-2,4-Bis(p-hydroxyphenyl)-2-butenal inhibits tumor growth via suppression of NF-κB and induction of death receptor 6. Apoptosis 2014; 19:165-78. [PMID: 24052407 DOI: 10.1007/s10495-013-0903-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The Maillard reaction products are known to be effective in chemoprevention. Here, we focused on the anti-cancer effects of (E)-2,4-bis(p-hydroxyphenyl)-2-butenal on in vitro and in vivo colon cancer. We analysed the anti-cancer activity of (E)-2,4-bis(p-hydroxyphenyl)-2-butenal on colon cancer cells by using cell cycle and apoptosis analysis. To elucidate it's mechanism, NF-κB DNA binding activity, docking model as well as pull-down assay. Further, a xenograft model of colon cancer was studied to test the in vivo effects of (E)-2,4-bis(p-hydroxyphenyl)-2-butenal. (E)-2,4-Bis(p-hydroxyphenyl)-2-butenal inhibited colon cancer cells (SW620 and HCT116) growth followed by induction of apoptosis in a concentration-dependent manner via down-regulation of NF-κB activity. In docking model as well as pull-down assay, (E)-2,4-bis(p-hydroxyphenyl)-2-butenal directly binds to three amino acid residues of IKKβ, thereby inhibited IKKβ activity in addition to induction of death receptor 6 (DR6) as well as their target apoptotic genes. Finally, (E)-2,4-bis(p-hydroxyphenyl)-2-butenal suppressed anchorage-independent cancer cell growth, and tumor growth in xenograft model accompanied with apoptosis through inhibition of IKKβ/NF-κB activity, and overexpression of DR6. These results suggest that (E)-2,4-bis(p-hydroxyphenyl)-2-butenal inhibits colon cancer cell growth through inhibition of IKKβ/NF-κB activity and induction of DR6 expression.
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Affiliation(s)
- Jung Ok Ban
- College of Pharmacy and Medical Research Center, Chungbuk National University, 12, Gaeshin-dong, Heungduk-gu, Cheongju, Chungbuk, 361-763, South Korea
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69
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Seubwai W, Wongkham C, Puapairoj A, Khuntikeo N, Pugkhem A, Hahnvajanawong C, Chaiyagool J, Umezawa K, Okada S, Wongkham S. Aberrant expression of NF-κB in liver fluke associated cholangiocarcinoma: implications for targeted therapy. PLoS One 2014; 9:e106056. [PMID: 25170898 PMCID: PMC4149500 DOI: 10.1371/journal.pone.0106056] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Accepted: 07/27/2014] [Indexed: 12/20/2022] Open
Abstract
Background Up-regulation and association of nuclear factor kappa B (NF-κB) with carcinogenesis and tumor progression has been reported in several malignancies. In the current study, expression of NF-κB in cholangiocarcinoma (CCA) patient tissues and its clinical significance were determined. The possibility of using NF-κB as the therapeutic target of CCA was demonstrated. Methodology Expression of NF-κB in CCA patient tissues was determined using immunohistochemistry. Dehydroxymethylepoxyquinomicin (DHMEQ), a specific NF-κB inhibitor, was used to inhibit NF-κB action. Cell growth was determined using an MTT assay, and cell apoptosis was shown by DNA fragmentation, flow cytometry and immunocytofluorescent staining. Effects of DHMEQ on growth and apoptosis were demonstrated in CCA cell lines and CCA-inoculated mice. DHMEQ-induced apoptosis in patient tissues using a histoculture drug response assay was quantified by TUNEL assay. Principal Findings Normal bile duct epithelia rarely expressed NF-κB (subunits p50, p52 and p65), whereas all CCA patient tissues (n = 48) over-expressed all NF-κB subunits. Inhibiting NF-κB action by DHMEQ significantly inhibited growth of human CCA cell lines in a dose- and time-dependent manner. DHMEQ increased cell apoptosis by decreasing the anti-apoptotic protein expressions–Bcl-2, XIAP–and activating caspase pathway. DHMEQ effectively reduced tumor size in CCA-inoculated mice and induced cell apoptosis in primary histocultures of CCA patient tissues. Conclusions NF-κB was over-expressed in CCA tissues. Inhibition of NF-κB action significantly reduced cell growth and enhanced cell apoptosis. This study highlights NF-κB as a molecular target for CCA therapy.
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Affiliation(s)
- Wunchana Seubwai
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Department of Forensic Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Chaisiri Wongkham
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Anucha Puapairoj
- Department of Pathology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Narong Khuntikeo
- Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Ake Pugkhem
- Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Chariya Hahnvajanawong
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Jariya Chaiyagool
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Kazuo Umezawa
- Department of Molecular Target Medicine Screening, Aichi Medical University, Nagakute, Japan
| | - Seiji Okada
- Division of Hematopoiesis, Center for AIDS Research, Kumamoto University, Honjo, Kumamoto, Japan
- * E-mail: (SW); (SO)
| | - Sopit Wongkham
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- * E-mail: (SW); (SO)
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70
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Mitochondrial-targeted curcuminoids: a strategy to enhance bioavailability and anticancer efficacy of curcumin. PLoS One 2014; 9:e89351. [PMID: 24622734 PMCID: PMC3951186 DOI: 10.1371/journal.pone.0089351] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2013] [Accepted: 01/20/2014] [Indexed: 12/19/2022] Open
Abstract
Although the anti-cancer effects of curcumin has been shown in various cancer cell types, in vitro, pre-clinical and clinical studies showed only a limited efficacy, even at high doses. This is presumably due to low bioavailability in both plasma and tissues, particularly due to poor intracellular accumulation. A variety of methods have been developed to achieve the selective targeting of drugs to cells and mitochondrion. We used a novel approach by conjugation of curcumin to lipophilic triphenylphosphonium (TPP) cation to facilitate delivery of curcumin to mitochondria. TPP is selectively taken up by mitochondria driven by the membrane potential by several hundred folds. In this study, three mitocurcuminoids (mitocurcuminoids-1, 2, and 3) were successfully synthesized by tagging TPP to curcumin at different positions. ESI-MS analysis showed significantly higher uptake of the mitocurcuminoids in mitochondria as compared to curcumin in MCF-7 breast cancer cells. All three mitocurcuminoids exhibited significant cytotoxicity to MCF-7, MDA-MB-231, SKNSH, DU-145, and HeLa cancer cells with minimal effect on normal mammary epithelial cells (MCF-10A). The IC50 was much lower for mitocurcuminoids when compared to curcumin. The mitocurcuminoids induced significant ROS generation, a drop in ΔØm, cell-cycle arrest and apoptosis. They inhibited Akt and STAT3 phosphorylation and increased ERK phosphorylation. Mitocurcuminoids also showed upregulation of pro-apoptotic BNIP3 expression. In conclusion, the results of this study indicated that mitocurcuminoids show substantial promise for further development as a potential agent for the treatment of various cancers.
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71
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Chen J, Wang FL, Chen WD. Modulation of apoptosis-related cell signalling pathways by curcumin as a strategy to inhibit tumor progression. Mol Biol Rep 2014; 41:4583-94. [PMID: 24604727 DOI: 10.1007/s11033-014-3329-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2014] [Accepted: 02/26/2014] [Indexed: 02/06/2023]
Abstract
A hallmark of cancer is resistance to apoptosis, with both the loss of proapoptotic signals and the gain of anti-apoptotic mechanisms contributing to tumorigenesis. As inducing apoptosis in malignant cells is one of the most challenging tasks regarding cancer, researchers increasingly focus on natural products to regulate apoptotic signaling pathways. Curcumin, a polyphenolic derivative of turmeric, is a natural compound derived from Curcuma longa, has attracted great interest in the research of cancer during the last half century. Extensive studies revealed that curcumin has chemopreventive properties, which are mainly due to its ability to arrest cell cycle and to induce apoptosis in cancer cells either alone or in combination with chemotherapeutic agents or radiation. The underlying action mechanisms of curcumin are diverse and has not been elucidated so far. By regulating multiple important cellular signalling pathways including NF-κB, TRAIL, PI3 K/Akt, JAK/STAT, Notch-1, JNK, etc., curcumin are known to activate cell death signals and induce apoptosis in pre-cancerous or cancer cells without affecting normal cells, thereby inhibiting tumor progression. Several phase I and phase II clinical trials indicate that curcumin is quite safe and may exhibit therapeutic efficacy. This article reviews the main effects of curcumin on the different apoptotic signaling pathways involved in curcumin induced apoptosis in cancer cells via cellular transduction pathways and provides an in depth assessment of its pharmacological activity in the management of tumor progression.
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Affiliation(s)
- Jin Chen
- Department of Pharmacy, The Second People's Hospital of Hefei, Hefei, 230011, Anhui, People's Republic of China,
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72
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Lee DH, Kim DW, Lee HC, Lee JH, Lee TH. Phenethyl isothiocyanate sensitizes glioma cells to TRAIL-induced apoptosis. Biochem Biophys Res Commun 2014; 446:815-21. [PMID: 24491546 DOI: 10.1016/j.bbrc.2014.01.112] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Accepted: 01/22/2014] [Indexed: 01/14/2023]
Abstract
Tumor necrosis factor-related apoptosis-induced ligand (TRAIL) is a promising antitumor therapy. However, many cancer cells, including malignant glioma cells, tend to be resistant to TRAIL, highlighting the need for strategies to overcome TRAIL resistance. Here we show that in combination with phenethyl isothiocyanate (PEITC), exposure to TRAIL induced apoptosis in TRAIL-resistant glioma cells. Subtoxic concentrations of PEITC significantly potentiated TRAIL-induced cytotoxicity and apoptosis in glioma cells. PEITC dramatically upregulated DR5 receptor expression but had no effects on DR4 receptor. PEITC enhances TRAIL-induced apoptosis through the downregulation of cell survival proteins and the upregulation of DR5 receptors through actions on the ROS-induced-p53.
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Affiliation(s)
- Dae-Hee Lee
- Department of Neurosurgery, University of Virginia, School of Medicine, USA
| | - Dong-Wook Kim
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, USA
| | - Hai-Chon Lee
- Wide River Institute of Immunology, Seoul National University, Gangwon, Republic of Korea
| | - Jung-Hyun Lee
- Department of Pediatrics, College of Medicine, Kosin University, Republic of Korea
| | - Tae-Hwa Lee
- Department of Obstetrics and Gynecology, College of Medicine, Kosin University, Republic of Korea.
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73
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Li W, Li M, Su X, Qin L, Miao M, Yu C, Shen Y, Luo Q, Chen Q. Mycoepoxydiene induces apoptosis and inhibits TPA-induced invasion in human cholangiocarcinoma cells via blocking NF-κB pathway. Biochimie 2014; 101:183-91. [PMID: 24486723 DOI: 10.1016/j.biochi.2014.01.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Accepted: 01/15/2014] [Indexed: 01/08/2023]
Abstract
Human cholangiocarcinoma (CCA) is a chemoresistant bile duct carcinoma with a poor prognosis. Conventional chemotherapy and radiotherapy have not been reported to be effective in improving long-term survival. Mycoepoxydiene (MED), a polyketide isolated from the marine fungal strain Diaporthe sp. HLY-1 associated with mangroves, has been shown to be an agent capable of inducing apoptosis in MCF-7 and Hela cell lines. However, little is known about the effect of MED in CCA. Herein, we investigated the effect of MED on CCA cells proliferation and invasion. The results demonstrated that MED induced apoptosis in CCA cells such as SK-ChA-1 and Mz-ChA-1 through inhibiting the expression of anti-apoptotic proteins such as Bcl-XL and Bcl-2, two targets of NF-κB. In addition, MED significantly inhibited 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced CCA cells invasion in a dose-dependent manner by reducing the expression of matrix metalloelastase 9 (MMP-9). Moreover, MED inhibited TPA-induced NF-κB activation via blocking phosphorylation and degradation of IκBα and phosphorylation of IκB kinase (IKK). MED had no effect on the activation of extracellular signal-regulated kinase (ERK), c-jun N-terminal kinase (JNK) and p38, which are also involved in regulating the MMP-9 expression. Collectively, MED significantly suppressed proliferation and invasion of CCA cells such as SK-ChA-1 and Mz-ChA-1, suggesting that MED is a potential lead compound for the development of novel drugs for therapy of CCA.
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Affiliation(s)
- Wenjiao Li
- The First Affiliated Hospital of Xiamen University, Xiamen 361003, China; State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen 361003, China
| | - Ming Li
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen 361003, China
| | - Xinhui Su
- The First Affiliated Hospital of Xiamen University, Xiamen 361003, China
| | - Liping Qin
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen 361003, China
| | - Mengmeng Miao
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen 361003, China
| | - Chundong Yu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen 361003, China
| | - Yuemao Shen
- School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Qi Luo
- The First Affiliated Hospital of Xiamen University, Xiamen 361003, China.
| | - Qiang Chen
- The First Affiliated Hospital of Xiamen University, Xiamen 361003, China.
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Heger M, van Golen RF, Broekgaarden M, Michel MC. The molecular basis for the pharmacokinetics and pharmacodynamics of curcumin and its metabolites in relation to cancer. Pharmacol Rev 2013; 66:222-307. [PMID: 24368738 DOI: 10.1124/pr.110.004044] [Citation(s) in RCA: 354] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
This review addresses the oncopharmacological properties of curcumin at the molecular level. First, the interactions between curcumin and its molecular targets are addressed on the basis of curcumin's distinct chemical properties, which include H-bond donating and accepting capacity of the β-dicarbonyl moiety and the phenylic hydroxyl groups, H-bond accepting capacity of the methoxy ethers, multivalent metal and nonmetal cation binding properties, high partition coefficient, rotamerization around multiple C-C bonds, and the ability to act as a Michael acceptor. Next, the in vitro chemical stability of curcumin is elaborated in the context of its susceptibility to photochemical and chemical modification and degradation (e.g., alkaline hydrolysis). Specific modification and degradatory pathways are provided, which mainly entail radical-based intermediates, and the in vitro catabolites are identified. The implications of curcumin's (photo)chemical instability are addressed in light of pharmaceutical curcumin preparations, the use of curcumin analogues, and implementation of nanoparticulate drug delivery systems. Furthermore, the pharmacokinetics of curcumin and its most important degradation products are detailed in light of curcumin's poor bioavailability. Particular emphasis is placed on xenobiotic phase I and II metabolism as well as excretion of curcumin in the intestines (first pass), the liver (second pass), and other organs in addition to the pharmacokinetics of curcumin metabolites and their systemic clearance. Lastly, a summary is provided of the clinical pharmacodynamics of curcumin followed by a detailed account of curcumin's direct molecular targets, whereby the phenotypical/biological changes induced in cancer cells upon completion of the curcumin-triggered signaling cascade(s) are addressed in the framework of the hallmarks of cancer. The direct molecular targets include the ErbB family of receptors, protein kinase C, enzymes involved in prostaglandin synthesis, vitamin D receptor, and DNA.
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Affiliation(s)
- Michal Heger
- Department of Experimental Surgery, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands.
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Lin J, Chen Y, Cai Q, Wei L, Zhan Y, Shen A, Sferra TJ, Peng J. Scutellaria Barbata D Don Inhibits Colorectal Cancer Growth via Suppression of Multiple Signaling Pathways. Integr Cancer Ther 2013; 13:240-8. [PMID: 24231788 DOI: 10.1177/1534735413508811] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The pathogenic mechanisms underlying cancer development are complex and heterogeneous, involving multiple cellular signaling transduction pathways that usually function redundantly. In addition, crosstalk between these pathways generates a complicated and robust signaling network that is regulated by compensatory mechanisms. Given the complexity of cancer pathogenesis and progression, many of the currently used antitumor agents, which typically target a single intracellular pathway, might not always be effective on complex tumor systems. Moreover, long-term use of these agents often generates drug resistance and toxicity against normal cells. Therefore, the development of novel anticancer chemotherapies is urgently needed.Scutellaria barbataD Don (SB) is a medicinal herb that has long been used in China to treat various types of cancer. We previously reported that the ethanol extract of SB (EESB) is able to induce colon cancer cell apoptosis, inhibit cell proliferation and tumor angiogenesis via modulation of several pathways, including Hedgehog, Akt, and p53. To further elucidate the precise mechanisms of SB's antitumor activity, using a colorectal cancer (CRC) mouse xenograft model in the present study, we evaluated the therapeutic efficacy and molecular mechanisms of EESB against tumor growth. We found that EESB reduced tumor volume and tumor weight but had no effect on body weight gain in CRC mice, demonstrating that EESB could inhibit colon cancer growth in vivo without apparent adverse effect. In addition, EESB treatment could significantly suppress the activation of several CRC-related pathways, including STAT3, Erk, and p38 signalings in tumor tissues, and alter the expression of multiple critical target genes such as Bcl-2, Bax, Cyclin D1, CDK4, and p21. These molecular effects lead to the induction of cancer cell apoptosis and inhibition of cell proliferation. Our findings demonstrate that SB possesses a broad range of antitumor activities because of its ability to affect multiple intracellular targets.
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Affiliation(s)
- Jiumao Lin
- Fujian University of Traditional Chinese Medicine, Fujian, China
| | - Youqin Chen
- Case Western Reserve University School of Medicine, Rainbow Babies & Children's Hospital, Cleveland, OH, USA
| | - Qiaoyan Cai
- Fujian University of Traditional Chinese Medicine, Fujian, China
| | - Lihui Wei
- Fujian University of Traditional Chinese Medicine, Fujian, China
| | - Youzhi Zhan
- Fujian University of Traditional Chinese Medicine, Fujian, China
| | - Aling Shen
- Fujian University of Traditional Chinese Medicine, Fujian, China
| | - Thomas J Sferra
- Case Western Reserve University School of Medicine, Rainbow Babies & Children's Hospital, Cleveland, OH, USA
| | - Jun Peng
- Fujian University of Traditional Chinese Medicine, Fujian, China
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Qiao Q, Jiang Y, Li G. Inhibition of the PI3K/AKT-NF-κB pathway with curcumin enhanced radiation-induced apoptosis in human Burkitt's lymphoma. J Pharmacol Sci 2013; 121:247-56. [PMID: 23603894 DOI: 10.1254/jphs.12149fp] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
The phosphatidylinositol-3-kinase (PI3K) / protein kinase B (AKT) signal transduction pathway is commonly misregulated in lymphoma and associated with tumorigenesis and enhanced resistance to radiotherapy. Curcumin has been shown to inhibit the PI3K/AKT signal transduction pathway in several tumor models. In this study, we found that curcumin inhibits constitutive and radiation-induced expression of the PI3K/AKT pathway and its downstream regulator nuclear factor kappaB (NF-κB) in human Burkitt's lymphoma, a high-grade non-Hodgkin's lymphoma (NHL). We further demonstrated that the blockage of radiation-induced activation of the PI3K/AKT pathway and its downstream regulator NF-κB by either curcumin or specific PI3/AKT inhibitors (LY294002 for PI3K or SH-5 for AKT) enhance apoptosis in three human Burkitt's lymphoma cell lines (Namalwa, Ramos, and Raji) that were treated with ionizing radiation. However, no synergic effect on radiation-induced apoptosis was found in the cells co-pretreated with curcumin combined with LY294002 or curcumin combined with SH-5. The results from this study suggest that curcumin might play an important role in radiotherapy of high-grade NHL through inhibition of the PI3K/AKT-dependent NF-κB pathway.
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Affiliation(s)
- Qiao Qiao
- Department of Radiotherapy, the First Hospital of China Medical University, China
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77
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Huang GL, Luo Q, Rui G, Zhang W, Zhang QY, Chen QX, Shen DY. Oncogenic activity of retinoic acid receptor γ is exhibited through activation of the Akt/NF-κB and Wnt/β-catenin pathways in cholangiocarcinoma. Mol Cell Biol 2013; 33:3416-25. [PMID: 23798555 PMCID: PMC3753848 DOI: 10.1128/mcb.00384-13] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Accepted: 06/13/2013] [Indexed: 01/27/2023] Open
Abstract
Aberrant expression and function of retinoic acid receptor γ (RARγ) are often involved in the progression of several cancers. However, the role of RARγ in cholangiocarcinoma (CCA), chemoresistant bile duct carcinoma with a poor prognosis, remains unclear. In the present study, we found that RARγ was frequently overexpressed in human CCA specimens. Its overexpression was associated with poor differentiation, lymph node metastasis, high serum carbohydrate antigen 19-9 level, and poor prognosis of CCA. Downregulation of RARγ reduced CCA cell proliferation, migration, invasion, and colony formation ability in vitro and tumorigenic potential in nude mice. RARγ knockdown resulted in upregulation of cell cycle inhibitor P21, as well as downregulation of cyclin D1, proliferating cell nuclear antigen, and matrix metallopeptidase 9, in parallel with suppression of the Akt/NF-κB pathway. Furthermore, overexpression of RARγ contributed to the multidrug chemoresistance of CCA cells, at least in part due to upregulation of P glycoprotein via activation of the Wnt/β-catenin pathway. Molecular mechanism studies revealed that RARγ interacted with β-catenin and led to β-catenin nuclear translocation. Taken together, our results suggested that RARγ plays an important role in the proliferation, metastasis, and chemoresistance of CCA through simultaneous activation of the Akt/NF-κB and Wnt/β-catenin pathways, serving as a potential molecular target for CCA treatment.
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Affiliation(s)
- Gui-Li Huang
- Center Laboratory, First Affiliated Hospital of Xiamen University, Xiamen, People's Republic of China
| | - Qi Luo
- Department of Surgical Oncology, First Affiliated Hospital of Xiamen University, Xiamen Cancer Center, Xiamen, People's Republic of China
| | - Gang Rui
- Department of Surgical Oncology, First Affiliated Hospital of Xiamen University, Xiamen Cancer Center, Xiamen, People's Republic of China
| | - Wei Zhang
- Center Laboratory, First Affiliated Hospital of Xiamen University, Xiamen, People's Republic of China
| | - Qiu-Yan Zhang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, People's Republic of China
| | - Qing-Xi Chen
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, People's Republic of China
| | - Dong-Yan Shen
- Center Laboratory, First Affiliated Hospital of Xiamen University, Xiamen, People's Republic of China
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Combination chemotherapy of nafamostat mesylate with gemcitabine for gallbladder cancer targeting nuclear factor-κB activation. J Surg Res 2013; 184:605-12. [DOI: 10.1016/j.jss.2013.06.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Revised: 03/21/2013] [Accepted: 06/04/2013] [Indexed: 01/30/2023]
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79
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Lee NJ, Oh JH, Ban JO, Shim JH, Lee HP, Jung JK, Ahn BW, Yoon DY, Han SB, Ham YW, Hong JT. 4-O-methylhonokiol, a PPARγ agonist, inhibits prostate tumour growth: p21-mediated suppression of NF-κB activity. Br J Pharmacol 2013; 168:1133-45. [PMID: 23043610 DOI: 10.1111/j.1476-5381.2012.02235.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Revised: 08/22/2012] [Accepted: 09/05/2012] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND AND PURPOSE The effects of 4-O-methylhonokiol (MH), a constituent of Magnolia officinalis, were investigated on human prostate cancer cells and its mechanism of action elucidated. EXPERIMENTAL APPROACH The anti-cancer effects of MH were examined in prostate cancer and normal cells. The effects were validated in vivo using a mouse xenograft model. KEY RESULTS MH increased the expression of PPARγ in prostate PC-3 and LNCap cells. The pull-down assay and molecular docking study indicated that MH directly binds to PPARγ. MH also increased transcriptional activity of PPARγ but decreased NF-κB activity. MH inhibited the growth of human prostate cancer cells, an effect attenuated by the PPARγ antagonist GW9662. MH induced apoptotic cell death and this was related to G(0) -G(1) phase cell cycle arrest. MH increased the expression of the cell cycle regulator p21, and apoptotic proteins, whereas it decreased phosphorylation of Rb and anti-apoptotic proteins. Transfection of PC3 cells with p21 siRNA or a p21 mutant plasmid on the cyclin D1/ cycline-dependent kinase 4 binding site abolished the effects of MH on cell growth, cell viability and related protein expression. In the animal studies, MH inhibited tumour growth, NF-κB activity and expression of anti-apoptotic proteins, whereas it increased the transcriptional activity and expression of PPARγ, and the expression of apoptotic proteins and p21 in tumour tissues. CONCLUSIONS AND IMPLICATION MH inhibits growth of human prostate cancer cells through activation of PPARγ, suppression of NF-κB and arrest of the cell cycle. Thus, MH might be a useful tool for treatment of prostate cancer.
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Affiliation(s)
- N J Lee
- College of Pharmacy, Chungbuk National University, Chungbuk, South Korea
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80
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Kewitz S, Volkmer I, Staege MS. Curcuma Contra Cancer? Curcumin and Hodgkin's Lymphoma. CANCER GROWTH AND METASTASIS 2013; 6:35-52. [PMID: 24665206 PMCID: PMC3941149 DOI: 10.4137/cgm.s11113] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Curcumin, a phytochemical isolated from curcuma plants which are used as coloring ingredient for the preparation of curry powder, has several activities which suggest that it might be an interesting drug for the treatment or prevention of cancer. Curcumin targets different pathways which are involved in the malignant phenotype of tumor cells, including the nuclear factor kappa B (NFKB) pathway. This pathway is deregulated in multiple tumor entities, including Hodgkin’s lymphoma (HL). Indeed, curcumin can inhibit growth of HL cell lines and increases the sensitivity of these cells for cisplatin. In this review we summarize curcumin activities with special focus on possible activities against HL cells.
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Affiliation(s)
- Stefanie Kewitz
- Martin-Luther-University Halle-Wittenberg, University Clinic and Polyclinic for Child and Adolescent Medicine, Halle, Germany
| | - Ines Volkmer
- Martin-Luther-University Halle-Wittenberg, University Clinic and Polyclinic for Child and Adolescent Medicine, Halle, Germany
| | - Martin S Staege
- Martin-Luther-University Halle-Wittenberg, University Clinic and Polyclinic for Child and Adolescent Medicine, Halle, Germany
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81
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Oncogenic activity of retinoic acid receptor γ is exhibited through activation of the Akt/NF-κB and Wnt/β-catenin pathways in cholangiocarcinoma. Mol Cell Biol 2013. [PMID: 23798555 DOI: 10.1128/mcb.00384-13mcb.00384-13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Aberrant expression and function of retinoic acid receptor γ (RARγ) are often involved in the progression of several cancers. However, the role of RARγ in cholangiocarcinoma (CCA), chemoresistant bile duct carcinoma with a poor prognosis, remains unclear. In the present study, we found that RARγ was frequently overexpressed in human CCA specimens. Its overexpression was associated with poor differentiation, lymph node metastasis, high serum carbohydrate antigen 19-9 level, and poor prognosis of CCA. Downregulation of RARγ reduced CCA cell proliferation, migration, invasion, and colony formation ability in vitro and tumorigenic potential in nude mice. RARγ knockdown resulted in upregulation of cell cycle inhibitor P21, as well as downregulation of cyclin D1, proliferating cell nuclear antigen, and matrix metallopeptidase 9, in parallel with suppression of the Akt/NF-κB pathway. Furthermore, overexpression of RARγ contributed to the multidrug chemoresistance of CCA cells, at least in part due to upregulation of P glycoprotein via activation of the Wnt/β-catenin pathway. Molecular mechanism studies revealed that RARγ interacted with β-catenin and led to β-catenin nuclear translocation. Taken together, our results suggested that RARγ plays an important role in the proliferation, metastasis, and chemoresistance of CCA through simultaneous activation of the Akt/NF-κB and Wnt/β-catenin pathways, serving as a potential molecular target for CCA treatment.
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82
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Lee JH, Kim HG, Oh JH, Lee YJ. Dramatic increase in hepatic and biliary curcumin exposure by modulation of its elimination pathway in rats. J Pharm Pharmacol 2013; 65:423-9. [PMID: 23356851 DOI: 10.1111/j.2042-7158.2012.01610.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Accepted: 10/11/2012] [Indexed: 11/28/2022]
Abstract
OBJECTIVES Curcumin, a major component of the food spice turmeric (Curcuma longa), has multiple beneficial effects on diseases of the liver and bile duct. We have investigated whether modulation of the curcumin elimination pathway could increase its hepatic and biliary exposure in rats. METHODS Probenecid, an inhibitor of the metabolism and biliary excretion of curcumin, was used as a modulator. After intravenous administration of curcumin at a dose of 18 mg/kg/h without (control) or with co-infusion of probenecid (230 mg/kg/h) in rats, the pharmacokinetic parameters of curcumin were estimated. KEY FINDINGS Coadministration of probenecid significantly increased the total area under the plasma (1.88-fold) and bile (6.73-fold) concentration-time curves from 0 to 80 min of curcumin relative to those in the controls. The tissue-to-plasma concentration ratio in the liver was also dramatically increased (69.3-fold) by probenecid. These results may be attributed to the dual inhibitory effects of probenecid, to a greater extent, on metabolism via glucuronidation, and to a lesser extent, on the biliary excretion of curcumin via the multidrug resistance-associated protein 2. CONCLUSIONS The probenecid-mediated increase in hepatic and biliary exposure of curcumin suggested that the use of combination drug regimens involving curcumin and modulators of elimination may be an innovative approach for the therapeutic use of curcumin.
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Affiliation(s)
- Joo Hyun Lee
- College of Pharmacy, Kyung Hee University, Seoul, Korea
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83
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Yu HJ, Shin JA, Nam JS, Kang BS, Cho SD. Apoptotic effect of dibenzylideneacetone on oral cancer cells via modulation of specificity protein 1 and Bax. Oral Dis 2013; 19:767-74. [DOI: 10.1111/odi.12062] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2012] [Revised: 12/11/2012] [Accepted: 12/19/2012] [Indexed: 12/11/2022]
Affiliation(s)
- H-J Yu
- Department of Oral Pathology; School of Dentistry; Institute of Oral Bioscience; Chonbuk National University; Jeonju; Korea
| | - J-A Shin
- Department of Oral Pathology; School of Dentistry; Institute of Oral Bioscience; Chonbuk National University; Jeonju; Korea
| | - J-S Nam
- Laboratory of Tumor suppressor; Lee Gil Ya Cancer and Diabetes Institute; Gachon University; Inchon; Korea
| | - B S Kang
- Bio-medical Research Institute; Kyungpook National University Hospital; Daegu; Korea
| | - S-D Cho
- Department of Oral Pathology; School of Dentistry; Institute of Oral Bioscience; Chonbuk National University; Jeonju; Korea
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84
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Gupta SC, Patchva S, Koh W, Aggarwal BB. Discovery of curcumin, a component of golden spice, and its miraculous biological activities. Clin Exp Pharmacol Physiol 2012; 39:283-99. [PMID: 22118895 DOI: 10.1111/j.1440-1681.2011.05648.x] [Citation(s) in RCA: 503] [Impact Index Per Article: 41.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
1. Curcumin is the active ingredient of the dietary spice turmeric and has been consumed for medicinal purposes for thousands of years. Modern science has shown that curcumin modulates various signalling molecules, including inflammatory molecules, transcription factors, enzymes, protein kinases, protein reductases, carrier proteins, cell survival proteins, drug resistance proteins, adhesion molecules, growth factors, receptors, cell cycle regulatory proteins, chemokines, DNA, RNA and metal ions. 2. Because of this polyphenol's potential to modulate multiple signalling molecules, it has been reported to possess pleiotropic activities. First demonstrated to have antibacterial activity in 1949, curcumin has since been shown to have anti-inflammatory, anti-oxidant, pro-apoptotic, chemopreventive, chemotherapeutic, antiproliferative, wound healing, antinociceptive, antiparasitic and antimalarial properties as well. Animal studies have suggested that curcumin may be active against a wide range of human diseases, including diabetes, obesity, neurological and psychiatric disorders and cancer, as well as chronic illnesses affecting the eyes, lungs, liver, kidneys and gastrointestinal and cardiovascular systems. 3. Although many clinical trials evaluating the safety and efficacy of curcumin against human ailments have already been completed, others are still ongoing. Moreover, curcumin is used as a supplement in several countries, including India, Japan, the US, Thailand, China, Korea, Turkey, South Africa, Nepal and Pakistan. Although inexpensive, apparently well tolerated and potentially active, curcumin has not been approved for the treatment of any human disease. 4. In the present article, we discuss the discovery and key biological activities of curcumin, with a particular emphasis on its activities at the molecular and cellular levels, as well as in animals and humans.
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Affiliation(s)
- Subash C Gupta
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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85
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Lee JH, Oh JH, Lee YJ. Biliary excretion of curcumin is mediated by multidrug resistance-associated protein 2. Biol Pharm Bull 2012; 35:777-80. [PMID: 22687416 DOI: 10.1248/bpb.35.777] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Curcumin has a wide spectrum of pharmacological activities, including antioxidant, anti-inflammatory, antimicrobial, and anticancer properties. Recently, its potential as effective chemoprevention against cholangiocarcinoma, a highly malignant tumor of the bile duct with limited therapeutic options, was reported. The purpose of the present study was to investigate the contribution of multidrug resistance-associated protein 2 (Mrp2) to the biliary excretion of curcumin using Sprague-Dawley rats (SDR) and Eisai hyperbilirubinemic rats (EHBR). After intravenous administration of curcumin with a loading dose of 4.5 mg/kg, followed by a constant infusion of 18 mg/kg/h to the SDR and EHBR, the pharmacokinetic parameters of curcumin were estimated. In EHBR, the total area under the bile concentration-time curve from 0 to 80 min following curcumin administration was dramatically decreased (0.094%) compared to that in SDR. In addition, the plasma-to-bile and liver-to-bile clearances were both significantly decreased compared to SDR. These results provide the first evidence that Mrp2 mediates the biliary excretion of curcumin and thus may be a major factor in the control of exposure of curcumin to the bile duct. This study may be helpful to the potential use of curcumin as a treatment for bile duct cancer, and to understanding the genetic polymorphism of Mrp2 for clinical trials of curcumin.
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Affiliation(s)
- Joo Hyun Lee
- Division of Biopharmaceutics, College of Pharmacy, Kyung Hee University, Seoul, Korea
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86
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Davidson J, Rotondo D, Rizzo MT, Leaver HA. Therapeutic implications of disorders of cell death signalling: membranes, micro-environment, and eicosanoid and docosanoid metabolism. Br J Pharmacol 2012; 166:1193-210. [PMID: 22364602 DOI: 10.1111/j.1476-5381.2012.01900.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Disruptions of cell death signalling occur in pathological processes, such as cancer and degenerative disease. Increased knowledge of cell death signalling has opened new areas of therapeutic research, and identifying key mediators of cell death has become increasingly important. Early triggering events in cell death may provide potential therapeutic targets, whereas agents affecting later signals may be more palliative in nature. A group of primary mediators are derivatives of the highly unsaturated fatty acids (HUFAs), particularly oxygenated metabolites such as prostaglandins. HUFAs, esterified in cell membranes, act as critical signalling molecules in many pathological processes. Currently, agents affecting HUFA metabolism are widely prescribed in diseases involving disordered cell death signalling. However, partly due to rapid metabolism, their role in cell death signalling pathways is poorly characterized. Recently, HUFA-derived mediators, the resolvins/protectins and endocannabinoids, have added opportunities to target selective signals and pathways. This review will focus on the control of cell death by HUFA, eicosanoid (C20 fatty acid metabolites) and docosanoid (C22 metabolites), HUFA-derived lipid mediators, signalling elements in the micro-environment and their potential therapeutic applications. Further therapeutic approaches will involve cell and molecular biology, the multiple hit theory of disease progression and analysis of system plasticity. Advances in the cell biology of eicosanoid and docosanoid metabolism, together with structure/function analysis of HUFA-derived mediators, will be useful in developing therapeutic agents in pathologies characterized by alterations in cell death signalling.
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Affiliation(s)
- J Davidson
- SIPBS, Strathclyde University, Glasgow, UK
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Kim WH, Song HO, Choi HJ, Bang HI, Choi DY, Park H. Ethyl gallate induces apoptosis of HL-60 cells by promoting the expression of caspases-8, -9, -3, apoptosis-inducing factor and endonuclease G. Int J Mol Sci 2012; 13:11912-11922. [PMID: 23109891 PMCID: PMC3472783 DOI: 10.3390/ijms130911912] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2012] [Revised: 08/29/2012] [Accepted: 09/11/2012] [Indexed: 01/01/2023] Open
Abstract
Many phytochemicals have been recognized to have potential therapeutic efficacy in cancer treatment. In this study, we investigated ethyl gallate (EG) for possible proapoptotic effects in the human promyelocytic leukemia cell line, HL-60. We examined cell viability, morphological changes, DNA content and fragmentation, and expression of apoptosis-related proteins for up to 48 h after EG treatment. The results showed that EG induced morphological changes and DNA fragmentation and reduced HL-60 cell viability in a dose-dependent and time-dependent manner. Western blotting analysis indicated that EG-mediated HL-60 apoptosis mainly occurred through the mitochondrial pathway, as shown by the release of cytochrome c, apoptosis-inducing factor (AIF), and endonuclease G (Endo G), as well as the upregulation of Bcl-2-associated X protein (Bax). EG also activated the death receptor-dependent pathway of apoptosis by enhancing the expression of caspases-8, -9, and -3 and the Bcl-2 interacting domain (Bid). Collectively, our results showed that EG induces apoptosis in HL-60 via mitochondrial-mediated pathways.
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Affiliation(s)
- Woong-Hyun Kim
- Department of Infection Biology, Zoonosis Research Center, Wonkwang University School of Medicine, 344-2, Shinyong-dong, Iksan, Chonbuk 570-749, South Korea; E-Mails: (W.-H.K.); (H.-O.S.); (H.-J.C.)
| | - Hyun-Ok Song
- Department of Infection Biology, Zoonosis Research Center, Wonkwang University School of Medicine, 344-2, Shinyong-dong, Iksan, Chonbuk 570-749, South Korea; E-Mails: (W.-H.K.); (H.-O.S.); (H.-J.C.)
| | - Hwa-Jung Choi
- Department of Infection Biology, Zoonosis Research Center, Wonkwang University School of Medicine, 344-2, Shinyong-dong, Iksan, Chonbuk 570-749, South Korea; E-Mails: (W.-H.K.); (H.-O.S.); (H.-J.C.)
| | - Ho-Il Bang
- Department of Pediatrics, Wonkwang University School of Medicine, 344-2, Shinyong-dong, Iksan, Chonbuk 570-749, South Korea; E-Mail:
| | - Du-Young Choi
- Department of Pediatrics, Wonkwang University School of Medicine, 344-2, Shinyong-dong, Iksan, Chonbuk 570-749, South Korea; E-Mail:
- Authors to whom correspondence should be addressed; E-Mails: (D.-Y.C.); (H.P.); Tel.: +82-63-850-1514 (D.-Y.C.); +82-63-850-6769 (H.P.); Fax: +82-63-850-0342 (H.P.)
| | - Hyun Park
- Department of Infection Biology, Zoonosis Research Center, Wonkwang University School of Medicine, 344-2, Shinyong-dong, Iksan, Chonbuk 570-749, South Korea; E-Mails: (W.-H.K.); (H.-O.S.); (H.-J.C.)
- Authors to whom correspondence should be addressed; E-Mails: (D.-Y.C.); (H.P.); Tel.: +82-63-850-1514 (D.-Y.C.); +82-63-850-6769 (H.P.); Fax: +82-63-850-0342 (H.P.)
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Prasad S, Yadav VR, Sung B, Reuter S, Kannappan R, Deorukhkar A, Diagaradjane P, Wei C, Baladandayuthapani V, Krishnan S, Guha S, Aggarwal BB. Ursolic acid inhibits growth and metastasis of human colorectal cancer in an orthotopic nude mouse model by targeting multiple cell signaling pathways: chemosensitization with capecitabine. Clin Cancer Res 2012; 18:4942-53. [PMID: 22832932 PMCID: PMC3677707 DOI: 10.1158/1078-0432.ccr-11-2805] [Citation(s) in RCA: 124] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE Development of chemoresistance, poor prognosis, and metastasis often renders the current treatments for colorectal cancer (CRC) ineffective. Whether ursolic acid, a component of numerous medicinal plants, either alone or in combination with capecitabine, can inhibit the growth and metastasis of human CRC was investigated. EXPERIMENTAL DESIGN The effect of ursolic acid on proliferation of CRC cell lines was examined by mitochondrial dye uptake assay, apoptosis by esterase staining, NF-κB activation by DNA-binding assay, and protein expression by Western blot. The effect of ursolic acid on the growth and chemosensitization was also examined in orthotopically implanted CRC in nude mice. RESULTS We found that ursolic acid inhibited the proliferation of different colon cancer cell lines. This is correlated with inhibition of constitutive NF-κB activation and downregulation of cell survival (Bcl-xL, Bcl-2, cFLIP, and survivin), proliferative (cyclin D1), and metastatic (MMP-9, VEGF, and ICAM-1) proteins. When examined in an orthotopic nude mouse model, ursolic acid significantly inhibited tumor volume, ascites formation, and distant organ metastasis, and this effect was enhanced with capecitabine. Immunohistochemistry of tumor tissue indicated that ursolic acid downregulated biomarkers of proliferation (Ki-67) and microvessel density (CD31). This effect was accompanied by suppression of NF-κB, STAT3, and β-catenin. In addition, ursolic acid suppressed EGF receptor (EGFR) and induced p53 and p21 expression. We also observed bioavailability of ursolic acid in the serum and tissue of animals. CONCLUSION Overall, our results show that ursolic acid can inhibit the growth and metastasis of CRC and further enhance the therapeutic effects of capecitabine through the suppression of multiple biomarkers linked to inflammation, proliferation, invasion, angiogenesis, and metastasis.
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Affiliation(s)
- Sahdeo Prasad
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Vivek R. Yadav
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Bokyung Sung
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Simone Reuter
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Ramaswamy Kannappan
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Amit Deorukhkar
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Parmeswaran Diagaradjane
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Caimiao Wei
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Veerabhadran Baladandayuthapani
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Sunil Krishnan
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Sushovan Guha
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Bharat B. Aggarwal
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
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Cytotoxicity of pomegranate polyphenolics in breast cancer cells in vitro and vivo: potential role of miRNA-27a and miRNA-155 in cell survival and inflammation. Breast Cancer Res Treat 2012; 136:21-34. [PMID: 22941571 DOI: 10.1007/s10549-012-2224-0] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Accepted: 08/17/2012] [Indexed: 12/18/2022]
Abstract
Several studies have demonstrated that polyphenolics from pomegranate (Punica granatum L.) are potent inhibitors of cancer cell proliferation and induce apoptosis, cell cycle arrest, and also decrease inflammation in vitro and vivo. There is growing evidence that botanicals exert their cytotoxic and anti-inflammatory activities, at least in part, by decreasing specificity protein (Sp) transcription factors. These are overexpressed in breast tumors and regulate genes important for cancer cell survival and inflammation such as the p65 unit of NF-κB. Moreover, previous studies have shown that Pg extracts decrease inflammation in lung cancer cell lines by inhibiting phosphatidylinositol-3,4,5-trisphosphate (PI3K)-dependent phosphorylation of AKT in vitro and inhibiting the activation of NF-kB in vivo. The objective of this study was to investigate the roles of miR-27a-ZBTB10-Sp and miR-155-SHIP-1-PI3K on the anti-inflammatory and cytotoxic activity of pomegranate extract. Pg extract (2.5-50 μg/ml) inhibited growth of BT-474 and MDA-MB-231 cells but not the non-cancer MCF-10F and MCF-12F cells. Pg extract significantly decreased Sp1, Sp3, and Sp4 as well as miR-27a in BT474 and MDA-MB-231 cells and increased expression of the transcriptional repressor ZBTB10. A significant decrease in Sp proteins and Sp-regulated genes was also observed. Pg extract also induced SHIP-1 expression and this was accompanied by downregulation of miRNA-155 and inhibition of PI3K-dependent phosphorylation of AKT. Similar results were observed in tumors from nude mice bearing BT474 cells as xenografts and treated with Pg extract. The effects of antagomirs and knockdown of SHIP-1 by RNA interference confirmed that the anti-inflammatory and cytotoxic effects of Pg extract were partly due to the disruption of both miR-27a-ZBTB10 and miR-155-SHIP-1. In summary, the anticancer activities of Pg extract in breast cancer cells were due in part to targeting microRNAs155 and 27a. Both pathways play an important role in the proliferative/inflammatory phenotype exhibited by these cell lines.
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Bill MA, Nicholas C, Mace TA, Etter JP, Li C, Schwartz EB, Fuchs JR, Young GS, Lin L, Lin J, He L, Phelps M, Li PK, Lesinski GB. Structurally modified curcumin analogs inhibit STAT3 phosphorylation and promote apoptosis of human renal cell carcinoma and melanoma cell lines. PLoS One 2012; 7:e40724. [PMID: 22899991 PMCID: PMC3416819 DOI: 10.1371/journal.pone.0040724] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2011] [Accepted: 06/13/2012] [Indexed: 12/18/2022] Open
Abstract
The Janus kinase-2 (Jak2)-signal transducer and activator of transcription-3 (STAT3) pathway is critical for promoting an oncogenic and metastatic phenotype in several types of cancer including renal cell carcinoma (RCC) and melanoma. This study describes two small molecule inhibitors of the Jak2-STAT3 pathway, FLLL32 and its more soluble analog, FLLL62. These compounds are structurally distinct curcumin analogs that bind selectively to the SH2 domain of STAT3 to inhibit its phosphorylation and dimerization. We hypothesized that FLLL32 and FLLL62 would induce apoptosis in RCC and melanoma cells and display specificity for the Jak2-STAT3 pathway. FLLL32 and FLLL62 could inhibit STAT3 dimerization in vitro. These compounds reduced basal STAT3 phosphorylation (pSTAT3), and induced apoptosis in four separate human RCC cell lines and in human melanoma cell lines as determined by Annexin V/PI staining. Apoptosis was also confirmed by immunoblot analysis of caspase-3 processing and PARP cleavage. Pre-treatment of RCC and melanoma cell lines with FLLL32/62 did not inhibit IFN-γ-induced pSTAT1. In contrast to FLLL32, curcumin and FLLL62 reduced downstream STAT1-mediated gene expression of IRF1 as determined by Real Time PCR. FLLL32 and FLLL62 significantly reduced secretion of VEGF from RCC cell lines in a dose-dependent manner as determined by ELISA. Finally, each of these compounds inhibited in vitro generation of myeloid-derived suppressor cells. These data support further investigation of FLLL32 and FLLL62 as lead compounds for STAT3 inhibition in RCC and melanoma.
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Affiliation(s)
- Matthew A. Bill
- Department of Internal Medicine, The Ohio State University, Columbus, Ohio, United States of America
| | - Courtney Nicholas
- Department of Internal Medicine, The Ohio State University, Columbus, Ohio, United States of America
| | - Thomas A. Mace
- Department of Internal Medicine, The Ohio State University, Columbus, Ohio, United States of America
| | - Jonathan P. Etter
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States of America
| | - Chenglong Li
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States of America
| | - Eric B. Schwartz
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States of America
| | - James R. Fuchs
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States of America
| | - Gregory S. Young
- Center for Biostatistics, Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, The Ohio State University, Columbus, Ohio, United States of America
| | - Li Lin
- Center for Childhood Cancer, The Research Institute at Nationwide Children's Hospital, Department of Pediatrics, College of Medicine, Columbus, Ohio, United States of America
| | - Jiayuh Lin
- Center for Childhood Cancer, The Research Institute at Nationwide Children's Hospital, Department of Pediatrics, College of Medicine, Columbus, Ohio, United States of America
| | - Lei He
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States of America
| | - Mitch Phelps
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States of America
| | - Pui-Kai Li
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States of America
| | - Gregory B. Lesinski
- Department of Internal Medicine, The Ohio State University, Columbus, Ohio, United States of America
- * E-mail:
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91
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Shin JA, Kim JJ, Choi ES, Shim JH, Ryu MH, Kwon KH, Park HM, Seo JY, Lee SY, Lim DW, Cho NP, Cho SD. In vitro apoptotic effects of methanol extracts ofDianthus chinensisandAcalypha australisL. targeting specificity protein 1 in human oral cancer cells. Head Neck 2012; 35:992-8. [DOI: 10.1002/hed.23072] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2012] [Indexed: 12/17/2022] Open
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92
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Xu Y, Zhang J, Han J, Pan X, Cao Y, Guo H, Pan Y, An Y, Li X. Curcumin inhibits tumor proliferation induced by neutrophil elastase through the upregulation of α1-antitrypsin in lung cancer. Mol Oncol 2012; 6:405-17. [PMID: 22507634 DOI: 10.1016/j.molonc.2012.03.005] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2011] [Revised: 03/22/2012] [Accepted: 03/23/2012] [Indexed: 12/20/2022] Open
Abstract
Lung carcinogenesis is a complex process in an unregulated inflammatory environment. Curcumin has been extensively investigated as a multi-target anti-tumor and anti-inflammation compound. In this paper, we demonstrate a novel inflammation-related mechanism for curcumin-induced inhibition of lung tumor growth. We found that neutrophil elastase, an important regulator of inflammatory processes, directly triggered tumor cell proliferation in human lung adenocarcinoma A549 cells, and curcumin could completely suppress the excess tumor proliferation induced by neutrophil elastase. α1-antitrypsin is synthesized by tumor cells and is the natural inhibitor of neutrophil elastase. We found that curcumin counteracted the decrease of α1-antitrypsin induced by neutrophil elastase by inducing the promoter activity of α1-antitrypsin and promoting its expression in A549 cells. The inhibition of neutrophil elastase-induced proliferation by curcumin was dependent on the PI3K/Akt pathway. Knockdown of α1-antitrypsin by siRNA further enhanced the tumor cell proliferation induced by neutrophil elastase and significantly blocked the anti-proliferation effect of curcumin against neutrophil elastase. Curcumin remarkably inhibited the primary tumor growth of Lewis lung carcinoma (LLC) in C57BL/6 mice. We further showed that curcumin upregulated the level of α1-antitrypsin in primary tumor tissue by promoting its local expression, and the protein level of neutrophil elastase in tumor tissue was obviously decreased in mice treated with curcumin. Overall, our results suggest that neutrophil elastase and α1-antitrypsin play important roles in modulating lung tumor proliferation in inflammatory microenvironment and curcumin inhibits neutrophil elastase-induced tumor proliferation via upregulating α1-antitrypsin expression in vitro and in vivo.
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Affiliation(s)
- Yan Xu
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University and Institute of System Biomedicine, Peking University, Beijing 100191, China
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93
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Curcumin-induced apoptosis in human hepatocellular carcinoma j5 cells: critical role of ca(+2)-dependent pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012; 2012:512907. [PMID: 22606206 PMCID: PMC3347719 DOI: 10.1155/2012/512907] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2011] [Revised: 12/01/2011] [Accepted: 12/18/2011] [Indexed: 12/17/2022]
Abstract
The antitumor effects of curcumin, a natural biologically active compound extracted from rhizomes of Curcuma longa, have been studied in many cancer cell types including human hepatocellular carcinoma (HCC). Here, we investigated the effects of Ca2+ on curcumin-induced apoptosis in human HCC J5 cells. The abrogation of mitochondrial membrane potential (ΔΨm), the increase of reactive oxygen species (ROS) production, and calcium release were demonstrated with flow cytometry as early as 15 minutes after curcumin treatment. In addition, an increase level of cytochrome c in the cytoplasm which led to DNA fragmentation was observed. To verify the role of Ca2+ in curcumin-induced apoptosis, 1,2-bis(o-aminophenoxy)ethane-N,N,N′,N′-tetraacetic acid (BAPTA), an intracellular calcium chelator, was applied. Cell viability was increased, but ΔΨm, ROS production, activation of caspase 3, and cell death were decreased in J5 cells pretreated with BAPTA for 2 h followed by the treatment of 25 μM curcumin. These results suggest that the curcumin-induced apoptosis in human HCC J5 cells is via mitochondria-dependent pathway and is closely related to the level of intracellular accumulation of calcium.
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94
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Abstract
BACKGROUND AND OBJECTIVES Cholangiocarcinoma is a devastating cancer of biliary origin with limited treatment options. The growth factor, progranulin, is overexpressed in a number of tumours. The study aims were to assess the expression of progranulin in cholangiocarcinoma and to determine its effects on tumour growth. METHODS The expression and secretion of progranulin were evaluated in multiple cholangiocarcinoma cell lines and in clinical samples from patients with cholangiocarcinoma. The role of interleukin 6 (IL-6)-mediated signalling in the expression of progranulin was assessed using a combination of specific inhibitors and shRNA knockdown techniques. The effect of progranulin on proliferation and Akt activation and subsequent effects of FOXO1 phosphorylation were assessed in vitro. Progranulin knockdown cell lines were established, and the effects on cholangiocarcinoma growth were determined. RESULTS Progranulin expression and secretion were upregulated in cholangiocarcinoma cell lines and tissue, which were in part via IL-6-mediated activation of the ERK1/2/RSK1/C/EBPβ pathway. Blocking any of these signalling molecules, by either pharmacological inhibitors or shRNA, prevented the IL-6-dependent activation of progranulin expression. Treatment of cholangiocarcinoma cells with recombinant progranulin increased cell proliferation in vitro by a mechanism involving Akt phosphorylation leading to phosphorylation and nuclear extrusion of FOXO1. Knockdown of progranulin expression in cholangiocarcinoma cells decreased the expression of proliferating cellular nuclear antigen, a marker of proliferative capacity, and slowed tumour growth in vivo. CONCLUSIONS Evidence is presented for a role for progranulin as a novel growth factor regulating cholangiocarcinoma growth. Specific targeting of progranulin may represent an alternative for the development of therapeutic strategies.
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95
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Frampton G, Invernizzi P, Bernuzzi F, Pae HY, Quinn M, Horvat D, Galindo C, Huang L, McMillin M, Cooper B, Rimassa L, DeMorrow S. Interleukin-6-driven progranulin expression increases cholangiocarcinoma growth by an Akt-dependent mechanism. Gut 2012; 61:268-77. [PMID: 22068162 PMCID: PMC4498955 DOI: 10.1136/gutjnl-2011-300643] [Citation(s) in RCA: 89] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND OBJECTIVES Cholangiocarcinoma is a devastating cancer of biliary origin with limited treatment options. The growth factor, progranulin, is overexpressed in a number of tumours. The study aims were to assess the expression of progranulin in cholangiocarcinoma and to determine its effects on tumour growth. METHODS The expression and secretion of progranulin were evaluated in multiple cholangiocarcinoma cell lines and in clinical samples from patients with cholangiocarcinoma. The role of interleukin 6 (IL-6)-mediated signalling in the expression of progranulin was assessed using a combination of specific inhibitors and shRNA knockdown techniques. The effect of progranulin on proliferation and Akt activation and subsequent effects of FOXO1 phosphorylation were assessed in vitro. Progranulin knockdown cell lines were established, and the effects on cholangiocarcinoma growth were determined. RESULTS Progranulin expression and secretion were upregulated in cholangiocarcinoma cell lines and tissue, which were in part via IL-6-mediated activation of the ERK1/2/RSK1/C/EBPβ pathway. Blocking any of these signalling molecules, by either pharmacological inhibitors or shRNA, prevented the IL-6-dependent activation of progranulin expression. Treatment of cholangiocarcinoma cells with recombinant progranulin increased cell proliferation in vitro by a mechanism involving Akt phosphorylation leading to phosphorylation and nuclear extrusion of FOXO1. Knockdown of progranulin expression in cholangiocarcinoma cells decreased the expression of proliferating cellular nuclear antigen, a marker of proliferative capacity, and slowed tumour growth in vivo. CONCLUSIONS Evidence is presented for a role for progranulin as a novel growth factor regulating cholangiocarcinoma growth. Specific targeting of progranulin may represent an alternative for the development of therapeutic strategies.
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Affiliation(s)
- Gabriel Frampton
- Department of Internal Medicine, Texas A&M Health Science Center College of Medicine, Temple, Texas, USA,Department of Internal Medicine, Digestive Disease Research Center, Scott & White Hospital, Temple, Texas, USA
| | - Pietro Invernizzi
- Center for Autoimmune Liver Diseases, Division of Internal Medicine, IRCCS Istituto Clinico Humanitas, Rozzano, Italy
| | - Francesca Bernuzzi
- Center for Autoimmune Liver Diseases, Division of Internal Medicine, IRCCS Istituto Clinico Humanitas, Rozzano, Italy,Department of Translational Medicine, Università degli studi di Milano, Rozzano, Italy
| | - Hae Yong Pae
- Department of Internal Medicine, Texas A&M Health Science Center College of Medicine, Temple, Texas, USA,Department of Internal Medicine, Digestive Disease Research Center, Scott & White Hospital, Temple, Texas, USA
| | - Matthew Quinn
- Department of Internal Medicine, Texas A&M Health Science Center College of Medicine, Temple, Texas, USA,Department of Internal Medicine, Digestive Disease Research Center, Scott & White Hospital, Temple, Texas, USA
| | - Darijana Horvat
- Department of Internal Medicine, Texas A&M Health Science Center College of Medicine, Temple, Texas, USA,Department of Internal Medicine, Digestive Disease Research Center, Scott & White Hospital, Temple, Texas, USA
| | - Cheryl Galindo
- Department of Internal Medicine, Texas A&M Health Science Center College of Medicine, Temple, Texas, USA,Department of Internal Medicine, Digestive Disease Research Center, Scott & White Hospital, Temple, Texas, USA
| | - Li Huang
- Department of Hepatobiliary Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Matthew McMillin
- Department of Internal Medicine, Texas A&M Health Science Center College of Medicine, Temple, Texas, USA,Department of Internal Medicine, Digestive Disease Research Center, Scott & White Hospital, Temple, Texas, USA
| | | | - Lorenza Rimassa
- UO Oncologia medica e ematologia, Humanitas Cancer Center, IRCCS Istituto Clinico Humanitas, Rozzano, Italy
| | - Sharon DeMorrow
- Department of Internal Medicine, Texas A&M Health Science Center College of Medicine, Temple, Texas, USA,Department of Internal Medicine, Digestive Disease Research Center, Scott & White Hospital, Temple, Texas, USA,Research Service, Central Texas Veterans Health Care System, Temple, Texas USA
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96
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Dietary compounds as potent inhibitors of the signal transducers and activators of transcription (STAT) 3 regulatory network. GENES AND NUTRITION 2012; 7:111-25. [PMID: 22274779 DOI: 10.1007/s12263-012-0281-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2011] [Accepted: 01/10/2012] [Indexed: 12/18/2022]
Abstract
Signal transducers and activators of transcription (STAT) proteins were described as a family of latent cytosolic transcription factors whose activation is dependent on phosphorylation via growth factor- and cytokine-membrane receptors including interferon and interleukin, or by non-receptor intracellular tyrosine kinases, including Src. A vast majority of natural substances are capable of modulating mitogenic signals, cell survival, apoptosis, cell cycle regulation, angiogenesis as well as processes involved in metastasis development. The inhibition of STAT3 phosphorylation by natural and dietary compounds leads to decreased protein expression of STAT3 targets essentially involved in regulation of the cell cycle and apoptotic cell death. This review details the cell signaling pathways involving STAT transcription factors as well as the corresponding compounds from nature able to interfere with this regulatory system in human cancer.
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97
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Siddiqui MA, Ahamed M, Ahmad J, Majeed Khan MA, Musarrat J, Al-Khedhairy AA, Alrokayan SA. Nickel oxide nanoparticles induce cytotoxicity, oxidative stress and apoptosis in cultured human cells that is abrogated by the dietary antioxidant curcumin. Food Chem Toxicol 2012; 50:641-7. [PMID: 22273695 DOI: 10.1016/j.fct.2012.01.017] [Citation(s) in RCA: 111] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Revised: 12/25/2011] [Accepted: 01/10/2012] [Indexed: 02/02/2023]
Abstract
Nickel oxide nanoparticles (NiO NPs) are increasingly utilized in a number of applications. However, little is known about the toxicity of NiO NPs following exposure to human cells. This study was designed to investigate NiO NPs induced cytotoxicity, oxidative stress and apoptosis in cultured human airway epithelial (HEp-2) and human breast cancer (MCF-7) cells. The results show that cell viability was reduced by NiO NPs and degree of reduction was dose-dependent. NiO NPs were also found to induce oxidative stress in dose-dependent manner indicated by depletion of glutathione and induction of reactive oxygen species and lipid peroxidation. Induction of caspase-3 enzyme activity and DNA fragmentation, biomarkers of apoptosis were also observed in NiO NPs exposed cells. Preventive potential of a dietary antioxidant curcumin against NiO NPs induced toxicity in HEp-2 MCF-7 cells was further examined. We found that co-exposure of curcumin significantly attenuated the cytotoxicity and oxidative stress induced by NiO NPs in both types of cells. This is the first report showing that NiO NPs induced ROS mediated cytotoxicity and apoptosis that is abrogated by curcumin. The pharmacological potential of curcumin against NiO NPs induced toxicity warrants further investigation.
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Affiliation(s)
- Maqsood A Siddiqui
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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98
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Leyva-Illades D, McMillin M, Quinn M, DeMorrow S. Cholangiocarcinoma pathogenesis: Role of the tumor microenvironment. TRANSLATIONAL GASTROINTESTINAL CANCER 2012; 1:71-80. [PMID: 23002431 PMCID: PMC3448449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Cholangiocarcinoma is a tumor that originates from the neoplastic transformation of the epithelial cells of the intrahepatic or extrahepatic bile ducts. This type of cancer is difficult to diagnose, extremely aggressive, and has very poor prognosis. It is also relatively resistant to chemotherapy and radiation therapy. Its pathogenesis is poorly understood, however it is known that the tumor microenvironment is a very important factor in the regulation of tumor angiogenesis, invasion, and metastasis. The current knowledge about the mechanisms by which these events are regulated as well as the role of the tumor microenvironment in the pathogenesis and classification of cholangiocarcinoma will be discussed.
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Affiliation(s)
- Dinorah Leyva-Illades
- Digestive Disease Research Center, Scott & White Hospital, USA
- Department of Internal Medicine, Texas A&M Health Science Center, Temple, TX 76504, USA
- Research Service, Central Texas Veterans Health Care System. Temple, TX 76504, USA
| | - Matthew McMillin
- Digestive Disease Research Center, Scott & White Hospital, USA
- Department of Internal Medicine, Texas A&M Health Science Center, Temple, TX 76504, USA
- Research Service, Central Texas Veterans Health Care System. Temple, TX 76504, USA
| | - Matthew Quinn
- Digestive Disease Research Center, Scott & White Hospital, USA
- Department of Internal Medicine, Texas A&M Health Science Center, Temple, TX 76504, USA
- Research Service, Central Texas Veterans Health Care System. Temple, TX 76504, USA
| | - Sharon DeMorrow
- Digestive Disease Research Center, Scott & White Hospital, USA
- Department of Internal Medicine, Texas A&M Health Science Center, Temple, TX 76504, USA
- Research Service, Central Texas Veterans Health Care System. Temple, TX 76504, USA
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99
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D'Aguanno S, D'Agnano I, De Canio M, Rossi C, Bernardini S, Federici G, Urbani A. Shotgun proteomics and network analysis of neuroblastoma cell lines treated with curcumin. MOLECULAR BIOSYSTEMS 2012; 8:1068-77. [DOI: 10.1039/c2mb05498a] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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100
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Asensi M, Ortega A, Mena S, Feddi F, Estrela JM. Natural polyphenols in cancer therapy. Crit Rev Clin Lab Sci 2011; 48:197-216. [PMID: 22141580 DOI: 10.3109/10408363.2011.631268] [Citation(s) in RCA: 102] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Natural polyphenols are secondary metabolites of plants involved in defense against different types of stress. Extracts containing these compounds have been used for thousands of years in traditional eastern medicine. Polyphenols act on multiple targets in pathways and mechanisms related to carcinogenesis, tumor cell proliferation and death, inflammation, metastatic spread, angiogenesis, or drug and radiation resistance. Nevertheless, reported effects claimed for polyphenols are controversial, since correlations between in vitro effects and in vivo evidence are poorly established. The main discrepancy between health claims versus clinical observations is the frequent use of nonphysiologically relevant concentrations of these compounds and their metabolites in efficacy and mechanistic studies. The present review will discuss how in vivo administration correlates with polyphenol metabolism, toxicity, and bioavailability. Analysis of the general application of polyphenols in cancer therapy will be complemented by potential applications in the therapy of specific tumors, including melanoma, colorectal and lung cancers. Possible pharmaceutical formulations, structural modifications, combinations, and delivery systems aimed to increase bioavailability and/or biological effects will be discussed. Final remarks will include recommendations for future research and developments.
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Affiliation(s)
- Miguel Asensi
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, Valencia, Spain
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