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Siddique MH, Bukhari S, Khan IU, Essa A, Ali Z, Sabir U, Ayoub O, Saadia H, Yaseen M, Sultan A, Murtaza I, Kerr PG, Bhat MA, Anees M. In Silico, In Vitro, and In Vivo Evaluation of Caffeine-Coated Nanoparticles as a Promising Therapeutic Avenue for AML through NF-Kappa B and TRAIL Pathways Modulation. Pharmaceuticals (Basel) 2023; 16:1742. [PMID: 38139868 PMCID: PMC10747568 DOI: 10.3390/ph16121742] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 12/07/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Advancements in nanoscience have led to a profound paradigm shift in the therapeutic applications of medicinally important natural drugs. The goal of this research is to develop a nano-natural product for efficient cancer treatment. METHODS AND RESULTS For this purpose, mesoporous silica nanoparticles (MSNPs) were formulated, characterized, and loaded with caffeine to develop a targeted drug delivery system, i.e., caffeine-coated nanoparticles (CcNPs). In silico docking studies were conducted to examine the binding efficiency of the CcNPs with different apoptotic targets followed by in vitro and in vivo bioassays in respective animal models. Caffeine, administered both as a free drug and in nanomedicine form, along with doxorubicin, was delivered intravenously to a benzene-induced AML model. The anti-leukemic potential was assessed through hematological profiling, enzymatic biomarker analysis, and RT-PCR examination of genetic alterations in leukemia markers. Docking studies show strong inter-molecular interactions between CcNPs and apoptotic markers. In vitro analysis exhibits statistically significant antioxidant activity, whereas in vivo analysis exhibits normalization of the genetic expression of leukemia biomarkers STMN1 and S1009A, accompanied by the restoration of the hematological and morphological traits of leukemic blood cells in nanomedicine-treated rats. Likewise, a substantial improvement in hepatic and renal biomarkers is also observed. In addition to these findings, the nanomedicine successfully normalizes the elevated expression of GAPDH and mTOR induced by exposure to benzene. Further, the nanomedicine downregulates pro-survival components of the NF-kappa B pathway and upregulated P53 expression. Additionally, in the TRAIL pathway, it enhances the expression of pro-apoptotic players TRAIL and DR5 and downregulates the anti-apoptotic protein cFLIP. CONCLUSIONS Our data suggest that MSNPs loaded with caffeine, i.e., CcNP/nanomedicine, can potentially inhibit transformed cell proliferation and induce pro-apoptotic TRAIL machinery to counter benzene-induced leukemia. These results render our nanomedicine as a potentially excellent therapeutic agent against AML.
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Affiliation(s)
- Muhammad Hamid Siddique
- Department of Biochemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.H.S.); (S.B.); (I.U.K.); (A.E.); (Z.A.); (U.S.); (O.A.); (H.S.); (A.S.); (I.M.)
| | - Sidra Bukhari
- Department of Biochemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.H.S.); (S.B.); (I.U.K.); (A.E.); (Z.A.); (U.S.); (O.A.); (H.S.); (A.S.); (I.M.)
| | - Inam Ullah Khan
- Department of Biochemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.H.S.); (S.B.); (I.U.K.); (A.E.); (Z.A.); (U.S.); (O.A.); (H.S.); (A.S.); (I.M.)
| | - Asiya Essa
- Department of Biochemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.H.S.); (S.B.); (I.U.K.); (A.E.); (Z.A.); (U.S.); (O.A.); (H.S.); (A.S.); (I.M.)
| | - Zain Ali
- Department of Biochemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.H.S.); (S.B.); (I.U.K.); (A.E.); (Z.A.); (U.S.); (O.A.); (H.S.); (A.S.); (I.M.)
| | - Usama Sabir
- Department of Biochemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.H.S.); (S.B.); (I.U.K.); (A.E.); (Z.A.); (U.S.); (O.A.); (H.S.); (A.S.); (I.M.)
| | - Omiya Ayoub
- Department of Biochemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.H.S.); (S.B.); (I.U.K.); (A.E.); (Z.A.); (U.S.); (O.A.); (H.S.); (A.S.); (I.M.)
| | - Haleema Saadia
- Department of Biochemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.H.S.); (S.B.); (I.U.K.); (A.E.); (Z.A.); (U.S.); (O.A.); (H.S.); (A.S.); (I.M.)
| | - Muhammad Yaseen
- Institute of Chemical Sciences, University of Swat, Charbagh 19130, Pakistan;
| | - Aneesa Sultan
- Department of Biochemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.H.S.); (S.B.); (I.U.K.); (A.E.); (Z.A.); (U.S.); (O.A.); (H.S.); (A.S.); (I.M.)
| | - Iram Murtaza
- Department of Biochemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.H.S.); (S.B.); (I.U.K.); (A.E.); (Z.A.); (U.S.); (O.A.); (H.S.); (A.S.); (I.M.)
| | - Philip G. Kerr
- School of Dentistry and Medical Sciences, Charles Sturt University, Sydney, NSW 2678, Australia;
| | - Mashooq Ahmad Bhat
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Mariam Anees
- Department of Biochemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan; (M.H.S.); (S.B.); (I.U.K.); (A.E.); (Z.A.); (U.S.); (O.A.); (H.S.); (A.S.); (I.M.)
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89Zr and 177Lu labeling of anti-DR5 monoclonal antibody for colorectal cancer targeting PET-imaging and radiotherapy. J Radioanal Nucl Chem 2021. [DOI: 10.1007/s10967-021-07979-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Unleashing the power of NK cells in anticancer immunotherapy. J Mol Med (Berl) 2021; 100:337-349. [PMID: 34374809 PMCID: PMC8843917 DOI: 10.1007/s00109-021-02120-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/15/2021] [Accepted: 07/16/2021] [Indexed: 12/12/2022]
Abstract
Due to their physiological role in removing damaged cells, natural killer (NK) cells represent ideal candidates for cellular immunotherapy in the treatment of cancer. Thereby, the cytotoxicity of NK cells is regulated by signals on both, the NK cells as well as the targeted tumor cells, and the interplay and balance of these signals determine the killing capacity of NK cells. One promising avenue in cancer treatment is therefore the combination of NK cell therapy with agents that either help to increase the killing capacity of NK cells or sensitize tumor cells to an NK cell-mediated attack. In this mini-review, we present different strategies that can be explored to unleash the potential of NK cell immunotherapy. In particular, we summarize how modulation of apoptosis signaling within tumor cells can be exploited to sensitize tumor cells to NK cell-mediated cytotoxicity.
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Zhang S, Zheng C, Zhu W, Xiong P, Zhou D, Huang C, Zheng D. A novel anti-DR5 antibody-drug conjugate possesses a high-potential therapeutic efficacy for leukemia and solid tumors. Am J Cancer Res 2019; 9:5412-5423. [PMID: 31410224 PMCID: PMC6691585 DOI: 10.7150/thno.33598] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 06/21/2019] [Indexed: 12/17/2022] Open
Abstract
It is well known that tumor necrosis factor-related apoptosis inducing ligand receptor 1 or 2 (DR4/DR5) is specifically expressed in various tumor cells, but less or no expression in most normal cells. Many first generations of TRAIL agonists including recombinant preparations of TRAIL, agonistic antibodies against DR4/DR5 have been developed in phase I/II clinical trials for cancer therapy. However, the outcomes of clinical trials by using DR4/DR5 agonist mono-therapy were disappointed even though the safety profile was well tolerance. In the present study, we report an anti-DR5 antibody-drug conjugate (ADC, named as Zapadcine-1) possesses a higher potential for the therapy of lymphocyte leukemia and solid cancers. Methods: Zapadcine-1 was made by a fully humanized DR5-specific monoclonal antibody (Zaptuzumab) coupled via a cleavable linker to a highly toxic inhibitor of tubulin, monomethyl auristatin D (MMAD), by using ThioBridge technology. Cytotoxicity of the ADC in various tumor cells was identified by luminescent cell viability assay and the efficacy in vivo was determined in cells derived xenografts (CDX) of Jurkat E6-1, BALL-1, Reh, and patient derived xenografts (PDX) of human acute leukemia. Preliminary safety evaluation was carried out in rat and monkey. Results: Zapadcine-1 possesses a similar binding ability to the death receptor DR5 as the naked monoclonal antibody Zaptuzumab, and can be rapidly endocytosed into the lysosome of cancer cells. Zapadcine-1 specifically kills human lymphocyte leukemia cells and solid tumor cells, but not normal cells tested. More importantly, Zapadcine-1 drastically eliminates the xenografts in both CDX and PDX models of human acute leukemia. The excellent and comparable therapeutic efficacy is also observed in lung cancer NCI-H1975 CDX mouse model. The maximum-tolerated dose (MTD) of single injected Zapadcine-1 in rat and cynomolgus monkey shows an acceptable safety profile. Conclusion: These data demonstrate a promising anti-cancer activity, meriting further exploration of its potential as a novel cancer therapeutic agent, especially for the acute lymphocyte leukemia.
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Englinger B, Pirker C, Heffeter P, Terenzi A, Kowol CR, Keppler BK, Berger W. Metal Drugs and the Anticancer Immune Response. Chem Rev 2018; 119:1519-1624. [DOI: 10.1021/acs.chemrev.8b00396] [Citation(s) in RCA: 174] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Bernhard Englinger
- Institute of Cancer Research and Comprehensive Cancer Center, Department of Medicine I, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | - Christine Pirker
- Institute of Cancer Research and Comprehensive Cancer Center, Department of Medicine I, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | - Petra Heffeter
- Institute of Cancer Research and Comprehensive Cancer Center, Department of Medicine I, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
- Research Cluster “Translational Cancer Therapy Research”, University of Vienna and Medical University of Vienna, Vienna, Austria
| | - Alessio Terenzi
- Research Cluster “Translational Cancer Therapy Research”, University of Vienna and Medical University of Vienna, Vienna, Austria
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Christian R. Kowol
- Research Cluster “Translational Cancer Therapy Research”, University of Vienna and Medical University of Vienna, Vienna, Austria
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Bernhard K. Keppler
- Research Cluster “Translational Cancer Therapy Research”, University of Vienna and Medical University of Vienna, Vienna, Austria
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Walter Berger
- Institute of Cancer Research and Comprehensive Cancer Center, Department of Medicine I, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
- Research Cluster “Translational Cancer Therapy Research”, University of Vienna and Medical University of Vienna, Vienna, Austria
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Wang DM, Jiao X, Plotnikoff NP, Griffin N, Qi RQ, Gao XH, Shan FP. Killing effect of methionine enkephalin on melanoma in vivo and in vitro. Oncol Rep 2017; 38:2132-2140. [PMID: 28849104 PMCID: PMC5652957 DOI: 10.3892/or.2017.5918] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 07/14/2017] [Indexed: 01/06/2023] Open
Abstract
Melanoma is a common cutaneous malignancy, that is also found in specific mucosal sites, and is associated with a poor prognosis. The aim of the present study was to investigate the cytotoxicity of methionine enkephalin (MENK) for B16 melanoma cells in vivo and in vitro. The results of the present study allowed our conclusion that MENK regulates the proliferation of B16 cells, causing cell cycle arrest in the G0/G1 phase and a decrease in the percentage of cells in the S and G2/M phases. Reverse transcription-quantitative polymerase chain reaction demonstrated that MENK increased opioid receptor expression in the B16 cells. Furthermore, the tumor volume and weight in the MENK-treated group were lower than those in the control group (NS) and MENK and naltrexone (NTX)-treated groups. MENK exerted both significant antitumor activity on the growth of B16 cells and a longer survival time in mice. The mice treated with MENK exhibited an increased ratio of CD4+ to CD8+ T cells as tested by flow cytometry (FCM), resulting in a ratio of 2.03 in the control group, 3.69 in the MENK-treated group, and 2.65 in the MENK and NTX group. Furthermore, a significant increase in plasma levels of IL-2, IFN-γ and TNF-α was revealed as assessed by ELISA. In conclusion, the results of the present study indicate that MENK has a cytotoxic effect on B16 melanoma cells in vitro and in vivo, and suggest a potential mechanism for these bioactivities. Therefore, we posit that MENK should be investigated, not only as a primary therapy for melanoma, but also as an adjuvant therapy in combination with chemotherapies.
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Affiliation(s)
- Dong-Mei Wang
- Department of Immunology, College of Basic Medical Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Xue Jiao
- Center for Translational Medicine, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning 110032, P.R. China
| | | | | | - Rui-Qun Qi
- Department of Dermatology, No. 1 Hospital, China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Xing-Hua Gao
- Department of Dermatology, No. 1 Hospital, China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Feng-Ping Shan
- Department of Immunology, College of Basic Medical Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
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Chen L, Qiu Y, Hao Z, Cai J, Zhang S, Liu Y, Zheng D. A novel humanized anti-tumor necrosis factor-related apoptosis-inducing ligand-R2 monoclonal antibody induces apoptotic and autophagic cell death. IUBMB Life 2017; 69:735-744. [PMID: 28748573 DOI: 10.1002/iub.1659] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 07/09/2017] [Indexed: 02/02/2023]
Abstract
It is well known that the tumor necrosis factor-related apoptosis-inducing ligand (TRAIL/TNFSF10) is specifically expressed in various tumor cells, but less or no expression in most normal tissues and cells. While TRAIL engages with its native death receptors, TRAIL receptor 1 (TRAIL-R1) or 2 (TRAIL-R2), usually elicits the tumor cell death by apoptosis. In this study, we report that a novel humanized monoclonal antibody against TRAIL-R2 (named as zaptuzumab) well remain the biological activity of the parental mouse antibody AD5-10 inducing cell death in various cancer cells, but little effect on normal cells. Zaptuzumab also markedly inhibited the tumor growth in the mouse xenograft of NCI-H460 without toxicity to the liver and kidney, and the efficacy of tumor suppression was increased significantly while it combined with cis-dichlorodiamineplatinum. Especially, 131 I-labeled zaptuzumab injected into mouse tail vein specifically targeted to the xenograft of the lung cancer cells. Confocal analysis showed that zaptuzumab bound with TRAIL-R2 on cell surface could be quickly internalized and transferred into the lysosome. Furthermore, zaptuzumab possessed a high level of antibody-dependent cytotoxicity as well as complement-dependent cytotoxicity. Study on the mechanisms of cell death induced by zaptuzumab showed that it efficiently induced both caspase-dependent apoptosis and autophagic cell death. These data suggest that the humanized anti-TRAIL-R2 monoclonal antibody or the second generation of the antibody may have an important clinical usage for cancer immunotherapy. © 2017 IUBMB Life, 69(9):735-744, 2017.
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Affiliation(s)
- Longfei Chen
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuhe Qiu
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhenliang Hao
- Peking Union Medical College Hospital, Beijing, China
| | - Jiong Cai
- Peking Union Medical College Hospital, Beijing, China
| | - Shuyong Zhang
- Obio Technology (Shanghai) Corp. Ltd, Shanghai, China
| | - Yanxin Liu
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Dexian Zheng
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Hwang MH, Li XJ, Kim JE, Jeong SY, Lee SW, Lee J, Ahn BC. Potential Therapeutic Effect of Natural Killer Cells on Doxorubicin-Resistant Breast Cancer Cells In Vitro. PLoS One 2015; 10:e0136209. [PMID: 26295571 PMCID: PMC4546633 DOI: 10.1371/journal.pone.0136209] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 07/31/2015] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE The aim of this study was to explore the therapeutic effect of natural killer (NK) cells on human doxorubicin-sensitive and resistant breast adenocarcinoma. METHODS Human doxorubicin-sensitive and resistant breast cancer cell lines (MCF-7 and MCF-7/ADR) were tagged with renilla luciferase (Rluc) (MCF-7/RC and MCF-7/ADR/RC). NK cells were tagged with enhanced firefly luciferase (effluc) using a recombinant retrovirus transfection (NKF). Expression of Rluc, effluc, and NK cell surface markers CD16, CD56 as well as death receptors, DR4 and DR5, were assessed by using flow cytometry. In vitro cytotoxic effect of NK to MCF-7 and MCF-7/ADR was measured and in vivo bioluminescence imaging was also performed to visualize MCF-7/RC, MCF-7/ADR, and NKF in an animal model. RESULTS NK92-MI, MCF-7, and MCF-7/ADR cells were successfully labeled with Rluc or effluc. Both the target breast cancer cells (with Rluc) and therapeutic NK cells (with effluc) were noninvasively visualized in nude mice. Doxorubicin-resistant breast cancer cells (MCF-7/ADR) presented a higher expression of DR5 and were more sensitive to NK cells compared with doxorubicin-sensitive breast cancer cells (MCF-7). CONCLUSION The results of present study suggest that NK cell therapy has a therapeutic effect on doxorubicin-sensitive and resistant breast cancer cells.
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Affiliation(s)
- Mi-Hye Hwang
- Department of Nuclear Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Xiu Juan Li
- Department of Nuclear Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Jung Eun Kim
- Department of Nuclear Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Shin Young Jeong
- Department of Nuclear Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Sang-Woo Lee
- Department of Nuclear Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Jaetae Lee
- Department of Nuclear Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Byeong-Cheol Ahn
- Department of Nuclear Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea
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Lin YH, Chen BYH, Lai WT, Wu SF, Guh JH, Cheng AL, Hsu LC. The Akt inhibitor MK-2206 enhances the cytotoxicity of paclitaxel (Taxol) and cisplatin in ovarian cancer cells. Naunyn Schmiedebergs Arch Pharmacol 2014; 388:19-31. [PMID: 25164962 DOI: 10.1007/s00210-014-1032-y] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Accepted: 08/04/2014] [Indexed: 01/12/2023]
Abstract
Abnormalities in the phosphatidylinositol 3-kinase (PI3K)/Akt signaling pathway are commonly observed in human cancers and contribute to chemotherapy resistance. Combination therapy, involving the use of molecular targeted agents and traditional cytotoxic drugs, may represent a promising strategy to lower resistance and enhance cytotoxicity. Here, we demonstrate the efficacy of an Akt inhibitor, MK-2206, in increasing the cytotoxic effect of either paclitaxel (Taxol) or cisplatin against the ovarian cancer cell lines SKOV3 (with constitutively active Akt) and ES2 (with inactive Akt). Sequential treatment of Taxol or cisplatin, followed by MK-2206, induced a synergistic inhibition of cell proliferation and effectively promoted cell death, either by inhibiting the phosphorylation of Akt and its downstream effectors 4E-BP1 and p70S6K in SKOV3 cells or by restoring p53 levels, which were downregulated after Taxol or cisplatin treatment, in ES2 cells. Combination treatment also downregulated the pro-survival protein Bcl-2 in both SKOV3 and ES2 cells, which may have contributed to cell death. In addition, we discovered that Taxol/MK-2206 or cisplatin/MK-2206 combination treatment resulted in significant enhancement of intracellular reactive oxygen species (ROS) induced by MK-2206, in both SKOV3 and ES2 cells; however, MK-2206-induced growth inhibition was reversed by a ROS scavenger only in ES2 cells. MK-2206 also suppressed DNA repair, particularly in SKOV3 cells. Taken together, our results demonstrate that the Akt inhibitor MK-2206 enhances the efficacy of cytotoxic agents in both Akt-active and Akt-inactive ovarian cancer cells but through different mechanisms.
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Affiliation(s)
- Ying-Hsi Lin
- School of Pharmacy, National Taiwan University, No. 33, Linsen S. Road, Taipei, 10050, Taiwan
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Ratanaphan A, Canyuk B. Host Cell Reactivation and Transcriptional Activation of Carboplatin-Modified BRCA1. BREAST CANCER-BASIC AND CLINICAL RESEARCH 2014; 8:51-6. [PMID: 24678242 PMCID: PMC3964185 DOI: 10.4137/bcbcr.s14224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Revised: 01/29/2014] [Accepted: 02/05/2014] [Indexed: 12/13/2022]
Abstract
The breast cancer susceptibility gene 1 (BRCA1) has been shown to maintain genomic stability through multiple functions in the regulation of DNA damage repair and transcription. Its translated BRCT (BRCA1 C-terminal domain) acts as a strong transcriptional activator. BRCA1 damaged by carboplatin treatment may lead to a loss of such functions. To address the possibility of the BRCA1 gene as a therapeutic target for carboplatin, we investigated the functional consequences of the 3′-terminal region of human BRCA1 following in vitro platination with carboplatin. A reduction in cellular BRCA1 repair of carboplatin-treated plasmid DNA, using a host cell reactivation assay, was dependent on the platination levels on the reporter gene. The transcriptional transactivation activity of the drug-modified BRCA1, assessed using a one-hybrid GAL4 transcriptional assay, was inversely proportional to the carboplatin doses. The data emphasized the potential of the BRCA1 gene to be a target for carboplatin treatment.
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Affiliation(s)
- Adisorn Ratanaphan
- Laboratory of Pharmaceutical Biotechnology, Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat-Yai, Songkhla, Thailand
| | - Bhutorn Canyuk
- Laboratory of Pharmaceutical Biotechnology, Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat-Yai, Songkhla, Thailand
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Zhai G, Kim H, Sarver D, Samuel S, Whitworth L, Umphrey H, Oelschlager DK, Beasley TM, Zinn KR. Early therapy assessment of combined anti-DR5 antibody and carboplatin in triple-negative breast cancer xenografts in mice using diffusion-weighted imaging and (1)H MR spectroscopy. J Magn Reson Imaging 2013; 39:1588-94. [PMID: 24151215 DOI: 10.1002/jmri.24319] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2013] [Accepted: 06/25/2013] [Indexed: 12/26/2022] Open
Abstract
PURPOSE To assess the early response of triple-negative breast-cancer (TNBC) following TRA-8 and carboplatin therapy using DWI and MRS in 2LMP and SUM159 mouse models. MATERIALS AND METHODS Four groups (n = 5/group) of each model were untreated or treated with carboplatin, TRA-8, and combination, respectively. DWI and MRS were applied on 0, 3, and 7 days after therapy initiation, and all tumors were collected thereafter for terminal deoxynucleotidyl transferase mediated dUTP nick end labeling (TUNEL) staining. The changes in intratumoral apparent diffusion coefficient (ADC) and fat-water ratios (FWRs) were compared with tumor volume changes and apoptotic cell densities. RESULTS Mean ADC values of 2LMP and SUM159 tumors significantly increased 4 ± 4% and 37 ± 11% during 7 days of combination therapy, respectively, as compared to control groups (P < 0.05). Similarly, mean FWRs of 2LMP and SUM159 tumors significantly increased 102 ± 30% and 126 ± 52%, respectively, for 7 days of combined treatment (P < 0.05). The changes of the mean ADC values for 3 days (or FWRs for 7 days) were linearly proportional to either the mean volume changes or apoptotic cell densities in both models. CONCLUSION DWI and MRS assessed the early tumor response to TRA-8 and carboplatin in TNBC mouse models.
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Affiliation(s)
- Guihua Zhai
- The Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
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Diaz Y, Tundidor Y, Lopez A, Leon K. Concomitant combination of active immunotherapy and carboplatin- or paclitaxel-based chemotherapy improves anti-tumor response. Cancer Immunol Immunother 2013; 62:455-69. [PMID: 22941039 PMCID: PMC11028977 DOI: 10.1007/s00262-012-1345-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2011] [Accepted: 08/16/2012] [Indexed: 12/22/2022]
Abstract
Recent preclinical evidence substantially supports the successful combination of chemotherapies and active immunotherapy for cancer treatment. These data sustain the effect of sequential combination schemes (vaccine plus chemotherapy or vice versa), which could be difficult to implement in clinical practice. Since chemotherapy is the standard treatment for most cancers, ethical issues forbid its delay and make difficult the evaluation of other treatments such as using an immunotherapeutic agent. Besides, vaccines must be applied as soon as possible to advanced cancer patients, in order to give them time to develop an effective immune response. Thus, a clinically attractive scenario is the concomitant application of treatments. However, little is known about the specific effect of different chemotherapeutic agents when combined with a cancer vaccine in such concomitant treatment. In this work, we analyze the influence of high-dose carboplatin or paclitaxel in the generation of a specific immune response when administered concomitantly with an OVA vaccine. Interestingly, neither carboplatin nor paclitaxel affects the humoral and CTL in vivo response generated by the vaccine. Moreover, an enhancement of the overall anti-tumor effect was observed in animals treated with OVA/CF vaccine combined with cytotoxic drugs. Moreover, the effect of the concomitant treatment was tested using a tumor-related antigen, the epidermal growth factor (EGF). Animals administered with EGF-P64k/Montanide and cytotoxic agents showed an antibody response similar to that from control animals. Therefore, our study suggests that carboplatin and paclitaxel can be concomitantly combined with active immunotherapies in the clinical practice of advanced cancer patients.
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Affiliation(s)
- Y Diaz
- Systems Biology Department, Center of Molecular Immunology, P.O. Box 16040, 11600, Havana, Cuba.
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Chen W, Liu J, Meng J, Lu C, Li X, Wang E, Shan F. Macrophage polarization induced by neuropeptide methionine enkephalin (MENK) promotes tumoricidal responses. Cancer Immunol Immunother 2012; 61:1755-68. [PMID: 22419372 PMCID: PMC11028532 DOI: 10.1007/s00262-012-1240-6] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2011] [Accepted: 02/27/2012] [Indexed: 01/20/2023]
Abstract
The aim of this study is to investigate macrophages polarization induced by methionine enkephalin (MENK) that promotes tumoricidal responses in vivo and in vitro. Both phenotypic and functional activities of macrophages were assessed by the quantitative analysis of key surface molecules on macrophages with flow cytometry, immunofluorescent staining, and the production of cytokines with enzyme-linked immunosorbent assay and reverse transcriptase-polymerase chain reaction. Our results showed that MENK could down-regulate the expression of CD206 and the production of arginase-1 (the markers of alternatively activated (M2) macrophage) in tumor-associated macrophages in vivo, meanwhile it could significantly up-regulate the expression of CD64, MHC-II, and the production of induced nitric oxide synthase (the markers of classically activated (M1) macrophages). Furthermore, the studies on bone marrow-derived macrophages treated with MENK (10(-12) M) in vitro had demonstrated that MENK could markedly increase tumoricidal activity. MENK could also enhance the release of reactive oxidant species and the production of interleukin-12p40, tumor necrosis factor-α, while decrease the production of interleukin-10. In conclusion, MENK could effectively induce M2 macrophages polarizing to M1 macrophages, sequentially to modulate the Th1 responses of the host immune system. Our results suggest that MENK might have great potential as a new therapeutic agent for cancer.
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Affiliation(s)
- Wenna Chen
- Department of Immunology, School of Basic Medical Science, China Medical University, No. 92, North Second Road, Heping District, Shenyang, 110001 People’s Republic of China
- Center of Teaching and Research, Liaoning University of Traditional Chinese Medicine, No. 79, Chongshan Eastern Road, Huanggu District, Shenyang, 110847 People’s Republic of China
| | - Jinling Liu
- Department of Immunology, School of Basic Medical Science, China Medical University, No. 92, North Second Road, Heping District, Shenyang, 110001 People’s Republic of China
| | - Jingjuan Meng
- Department of Immunology, School of Basic Medical Science, China Medical University, No. 92, North Second Road, Heping District, Shenyang, 110001 People’s Republic of China
| | - Changlong Lu
- Department of Immunology, School of Basic Medical Science, China Medical University, No. 92, North Second Road, Heping District, Shenyang, 110001 People’s Republic of China
| | - Ximing Li
- Center of Teaching and Research, Liaoning University of Traditional Chinese Medicine, No. 79, Chongshan Eastern Road, Huanggu District, Shenyang, 110847 People’s Republic of China
| | - Enhua Wang
- Institute of Pathology and Pathophysiology, China Medical University, No. 92, North Second Road, Heping District, Shenyang, 110001 People’s Republic of China
| | - Fengping Shan
- Department of Immunology, School of Basic Medical Science, China Medical University, No. 92, North Second Road, Heping District, Shenyang, 110001 People’s Republic of China
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Manjunath SR, Ramanan G, Dedeepiya VD, Terunuma H, Deng X, Baskar S, Senthilkumar R, Thamaraikannan P, Srinivasan T, Preethy S, Abraham SJK. Autologous immune enhancement therapy in recurrent ovarian cancer with metastases: a case report. Case Rep Oncol 2012; 5:114-8. [PMID: 22666198 PMCID: PMC3364094 DOI: 10.1159/000337319] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Current therapeutic modalities for ovarian cancer such as chemotherapy, radiotherapy and surgery have been reported to yield only marginal success in improving survival rates of patients and have associated adverse effects. We report here a case of recurrent stage IV ovarian cancer, treated with cell-based autologous immune enhancement therapy (AIET) along with chemotherapy and followed up for 18 months. A 54-year-old female was diagnosed with a recurrence of ovarian carcinoma 1 year after initial surgical removal followed by chemotherapy for stage IIIC ovarian carcinoma. When diagnosed in 2010 with recurrence, she had liver and spleen metastases with a CA-125 level of 243 U/ml and a stage IV clinical status. Six infusions of AIET using autologous in vitro expanded and activated natural killer (NK) cells (CD3–CD56+) and activated T lymphocytes (CD3+CD56+) were administered in combination with 6 cycles of chemotherapy with carboplatin and doxorubicin. Following this treatment, CA-125 decreased to 4.7 U/ml along with regression of the metastatic lesions and an improved quality of life. No adverse reactions were reported after the AIET transfusions. Eighteen months of follow-up revealed a static nonprogressive disease. Combining AIET with chemotherapy and other conventional treatments has been found to be effective in our experience, as reported earlier, even in patients with advanced ovarian cancer, and we recommend this strategy be considered in treating similar cases.
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El-Gazzar A, Wittinger M, Perco P, Anees M, Horvat R, Mikulits W, Grunt TW, Mayer B, Krainer M. The role of c-FLIP(L) in ovarian cancer: chaperoning tumor cells from immunosurveillance and increasing their invasive potential. Gynecol Oncol 2010; 117:451-9. [PMID: 20227749 DOI: 10.1016/j.ygyno.2010.02.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2009] [Revised: 02/11/2010] [Accepted: 02/20/2010] [Indexed: 12/25/2022]
Abstract
OBJECTIVE In the current study, we aimed to investigate the role of the long isoform of cellular Fas-associated death domain-like interleukin-1beta-converting enzyme (FLICE)-like inhibitory protein (c-FLIP(L)) in ovarian cancer (OC) development by using RNA interference (RNAi) in vitro and in vivo. METHODS TRAIL-resistant human OC cell lines were genetically manipulated by RNAi-mediated suppression of c-FLIP(L). Subsequently, the genetic alteration that was introduced into the various OC cell lines was characterized in vitro and in vivo. RESULTS We previously showed that about 40% of OC patients express high levels of c-FLIP(L), and that natural killer (NK) cells mediated immunosurveillance in OC. In the present study, we observed that the knockdown of c-FLIP(L) in human OC cell lines not only enhanced their sensitivity to TRAIL-mediated apoptosis, but also inhibited their migratory phenotype in a TRAIL-dependent manner in vitro. Shutdown of c-FLIP(L) in OC cells significantly decreased tumor development by induction of apoptosis and reduction of proliferation in vivo. Importantly, the knockdown of c-FLIP(L) particularly inhibited the invasion of OC cells into the peritoneal cavity, which might be due to high expression of TRAIL by NK cells and NK-cell mediated immunosurveillance. CONCLUSION These data demonstrate that c-FLIP(L) exhibits multiple functions in OC cells: first by concomitantly evading the natural immunity mediated by TRAIL-induced cell death, and second by augmenting cell motility and invasion in vivo. Our findings indicate that c-FLIP(L) regulates sensitivity of OC to TRAIL-mediated apoptosis and offers possible therapeutical implications for OC in the future.
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Affiliation(s)
- Ahmed El-Gazzar
- Division of Oncology, Department of Medicine I, Medical University of Vienna, Austria
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