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Al Amin M, Emran TB, Khan J, Zehravi M, Sharma I, Patil A, Gupta JK, Jeslin D, Krishnan K, Das R, Nainu F, Ahmad I, Wilairatana P. Research Progress of Indole Alkaloids: Targeting MAP Kinase Signaling Pathways in Cancer Treatment. Cancers (Basel) 2023; 15:5311. [PMID: 38001572 PMCID: PMC10670446 DOI: 10.3390/cancers15225311] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 10/25/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
Cancer is the leading cause of morbidity and mortality in people throughout the world. There are many signaling pathways associated with cancerous diseases, from which the Mitogen-activated protein kinase (MAPK) pathway performs a significant role in this regard. Apoptosis and proliferation are correlated with MAPK signaling pathways. Plenty of experimental investigations were carried out to assess the role of indole alkaloids in MAPK-mediated cancerous diseases. Previous reports established that indole alkaloids, such as vincristine and evodiamine are useful small molecules in cancer treatment via the MAPK signaling system. Indole alkaloids have the anticancer potential through different pathways. Vincristine and evodiamine are naturally occurring indole alkaloids that have strong anticancer properties. Additionally, much research is ongoing or completed with molecules belonging to this group. The current review aims to evaluate how indole alkaloids affect the MAPK signaling pathway in cancer treatment. Additionally, we focused on the advancement in the role of indole alkaloids, with the intention of modifying the MAPK signaling pathways to investigate potential new anticancer small molecules. Furthermore, clinical trials with indole alkaloids in cancer treatment are also highlighted.
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Affiliation(s)
- Md. Al Amin
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh;
| | - Talha Bin Emran
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh;
- Department of Pathology and Laboratory Medicine, Warren Alpert Medical School & Legorreta Cancer Center, Brown University, Providence, RI 02912, USA
| | - Jishan Khan
- Department of Pharmacy, International Islamic University Chittagong, Kumira, Chittagong 4318, Bangladesh
| | - Mehrukh Zehravi
- Department of Clinical Pharmacy, College of Dentistry & Pharmacy, Buraydah Private Colleges, Buraydah 51418, Saudi Arabia;
| | - Indu Sharma
- Department of Physics, Career Point University, Hamirpur 176041, Himachal Pradesh, India
| | - Anasuya Patil
- Department of Pharmaceutics, KLE College of Pharmacy, Bengaluru 560010, Karnataka, India
| | - Jeetendra Kumar Gupta
- Department of Pharmacology, Institute of Pharmaceutical Research, GLA University, Mathura 281406, Uttar Pradesh, India;
| | - D. Jeslin
- Department of Pharmaceutics, Sree Balaji Medical College and Hospital Campus, Bharath Institute of Higher Education and Research, Chromepet, Chennai 600044, Tamil Nadu, India
| | - Karthickeyan Krishnan
- Department of Pharmacy Practice, School of Pharmaceutical Sciences, Vels Institute of Science, Technology and Advanced Studies (VISTAS), Pallavaram, Chennai 600117, Tamil Nadu, India;
| | - Rajib Das
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Firzan Nainu
- Department of Pharmacy, Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia;
| | - Irfan Ahmad
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha 61411, Saudi Arabia
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
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陈 丹, 周 红, 赵 婷, 郭 晨, 张 荣, 李 佳, 龚 涛. [Co-delivery of Pirarubicin and Vinorelbine by Micelles for the Treatment of Breast Cancer]. SICHUAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF SICHUAN UNIVERSITY. MEDICAL SCIENCE EDITION 2021; 52:612-618. [PMID: 34323039 PMCID: PMC10409388 DOI: 10.12182/20210760105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Indexed: 02/05/2023]
Abstract
OBJECTIVE To develop a pirarubicin (THP) and vinorelbine (VRL) codelivery nano-micellar system (T+V-CS micelles) of pirarubicin (THP) and vinorelbine (VRL) by using chondroitin sulfate-cholesterol polymers (CS-Chol) and DSPE-mPEG 2000 and to evaluate the therapeutic efficacy of the codelivery nano-micelles in breast cancer treatment. METHODS T+V-CS micelles were prepared by ultrasonic-dialysis method, and the physicochemical characterization were evaluated using multiple technological means. The anti-tumor efficacy of T+V-CS micelles in vitro was evaluated by MTT assay and cell cycle arrest analysis. Evaluation of the therapeutic effect of T+V-CS micelles in vivo was carried out on xenograft 4T1 murine breast cancer bearing BALB/c mice model. RESULTS T+V-CS micelles displayed a nearly spherical shape when observed through transmission electron microscope. The particle size and polydispersity indexes (PDI) of T+V-CS micelles was (155.5±4.5) nm and 0.170±0.003 respectively, while the Zeta potential was (-23.0±0.9) mV. Meanwhile, T+V-CS micelles demonstrated high encapsulation efficiency of (81.87±2.56)% for THP and (87.54±2.82)% for VRL and a high overall drug loading efficiency of (10.20±1.20)%. In vitro and in vivo studies of the therapeutic efficacy of breast cancer showed that T+V-CS micelles had synergistic anti-tumor effect and induced increased G 2/M cell cycle arrest in 4T1 cells, which could significantly inhibit tumor growth and prolong survival compared with the therapeutic efficacy of micelles loaded with a single kind of drug or free drug solutions. CONCLUSION The study showed that T+V-CS micelles had excellent anti-tumor effect, offering a reference to the clinical treatment of breast cancer.
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Affiliation(s)
- 丹 陈
- 四川大学华西药学院 靶向药物与释药系统教育部重点实验室 (成都 610041)Key Laboratory of Drug Targeting and Delivery System of the Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - 红利 周
- 四川大学华西药学院 靶向药物与释药系统教育部重点实验室 (成都 610041)Key Laboratory of Drug Targeting and Delivery System of the Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - 婷 赵
- 四川大学华西药学院 靶向药物与释药系统教育部重点实验室 (成都 610041)Key Laboratory of Drug Targeting and Delivery System of the Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - 晨琦 郭
- 四川大学华西药学院 靶向药物与释药系统教育部重点实验室 (成都 610041)Key Laboratory of Drug Targeting and Delivery System of the Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - 荣苹 张
- 四川大学华西药学院 靶向药物与释药系统教育部重点实验室 (成都 610041)Key Laboratory of Drug Targeting and Delivery System of the Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - 佳 李
- 四川大学华西药学院 靶向药物与释药系统教育部重点实验室 (成都 610041)Key Laboratory of Drug Targeting and Delivery System of the Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - 涛 龚
- 四川大学华西药学院 靶向药物与释药系统教育部重点实验室 (成都 610041)Key Laboratory of Drug Targeting and Delivery System of the Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
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Wala J, Das S. Mapping of biomechanical properties of cell lines on altered matrix stiffness using atomic force microscopy. Biomech Model Mechanobiol 2020; 19:1523-1536. [DOI: 10.1007/s10237-019-01285-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 12/28/2019] [Indexed: 01/07/2023]
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Lorusso V, Giotta F, Bordonaro R, Maiello E, Del Prete S, Gebbia V, Filippelli G, Pisconti S, Cinieri S, Romito S, Riccardi F, Forcignanò R, Ciccarese M, Petrucelli L, Saracino V, Lupo LI, Gambino A, Leo S, Colucci G. Non-pegylated liposome-encapsulated doxorubicin citrate plus cyclophosphamide or vinorelbine in metastatic breast cancer not previously treated with chemotherapy:a multicenter phase III study. Int J Oncol 2014; 45:2137-42. [PMID: 25176223 DOI: 10.3892/ijo.2014.2604] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Accepted: 06/20/2014] [Indexed: 11/05/2022] Open
Abstract
We conducted a phase III multicenter randomized trial to compare the efficacy of the combination of liposome encapsulated doxorubicin (Myocet(©)) plus either cyclophosphamide (MC) or vinorelbine (MV). Since July 2006, 233 patients affected with metastatic breast cancer were randomized to receive the combination of Myocet (M) 60 mg/m(2) i.v. plus cyclophosphamide (C) 600 mg/m2 on Day 1 of a 21‑day cycle (Arm A) or Myocet (M) at 50 mg/m2 plus vinorelbine (V) 25 mg/m2 i.v. on Day 1 and V 60 mg/m2 orally on Day 8 on a 21‑day cycle (Arm B). The primary endpoints of the study was time to progression (TTP); secondary endpoints were RR, toxicity and OS. Response was observed in 53/116 (45.7%) evaluable patients of Arm A vs. 51/112 (45.5%) of Arm B, respectively (P=NS). Median TTP was 41 weeks (95% CI, 32‑51) and 34 weeks (95% CI, 26‑39), for M/C and M/V, respectively (P=0.0234). The difference in median OS was not statistically significant (131 vs. 122 weeks; P=0.107). With regard to toxicity, patients treated with MV showed a slight increase of neutropenia and constipation, as compared to those treated with MC. No clinical signs of cardiotoxicity were observed. The MC combination remains as an unbeaten 'standard' in first line treatment of MBC.
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Affiliation(s)
- V Lorusso
- National Cancer Research Center, Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - F Giotta
- National Cancer Research Center, Istituto Tumori Giovanni Paolo II, Bari, Italy
| | | | - E Maiello
- Casa Sollievo della Sofferenza Hospital IRCCS, San Giovanni Rotondo (FG), Italy
| | - S Del Prete
- Frattamaggiore Hospital, Frattamaggiore (NA), Italy
| | - V Gebbia
- La Maddalena Hospital, Palermo, Italy
| | | | | | - S Cinieri
- Brindisi Medical Oncology Department and Breast Unit e Medical Department, European Insitute of Oncology, Milan, Italy
| | - S Romito
- Ospedali Riuniti Hospital, Foggia, Italy
| | | | | | | | | | | | - L I Lupo
- Vito Fazzi Hospital, Lecce, Italy
| | | | - S Leo
- Vito Fazzi Hospital, Lecce, Italy
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Hsieh CJ, Kuo PL, Hsu YC, Huang YF, Tsai EM, Hsu YL. Arctigenin, a dietary phytoestrogen, induces apoptosis of estrogen receptor-negative breast cancer cells through the ROS/p38 MAPK pathway and epigenetic regulation. Free Radic Biol Med 2014; 67:159-70. [PMID: 24140706 DOI: 10.1016/j.freeradbiomed.2013.10.004] [Citation(s) in RCA: 111] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 09/13/2013] [Accepted: 10/02/2013] [Indexed: 12/31/2022]
Abstract
This study investigates the anticancer effect of arctigenin (ATG), a natural lignan product of Arctium lappa L., in human breast cancer MDA-MB-231 cells. Results indicate that ATG inhibits MDA-MB-231 cell growth by inducing apoptosis in vitro and in vivo. ATG triggers the mitochondrial caspase-independent pathways, as indicated by changes in Bax/Bcl-2 ratio, resulting in AIF and EndoG nuclear translocation. ATG increased cellular reactive oxygen species (ROS) production by increasing p22(phox)/NADPH oxidase 1 interaction and decreasing glutathione level. ATG clearly increases the activation of p38 MAPK, but not JNK and ERK1/2. Antioxidant EUK-8, a synthetic catalytic superoxide and hydrogen peroxide scavenger, significantly decreases ATG-mediated p38 activation and apoptosis. Blocking p38 with a specific inhibitor suppresses ATG-mediated Bcl-2 downregulation and apoptosis. Moreover, ATG activates ATF-2, a transcription factor activated by p38, and then upregulates histone H3K9 trimethylation in the Bcl-2 gene promoter region, resulting in Bcl-2 downregulation. Taken together, the results demonstrate that ATG induces apoptosis of MDA-MB-231 cells via the ROS/p38 MAPK pathway and epigenetic regulation of Bcl-2 by upregulation of histone H3K9 trimethylation.
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Affiliation(s)
- Chia-Jung Hsieh
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Department of Chinese Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Po-Lin Kuo
- Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Ying-Chan Hsu
- Department of Chinese Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Ya-Fang Huang
- Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Eing-Mei Tsai
- Center for Resources, Research, and Development, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Department of Obstetrics & Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
| | - Ya-Ling Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
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Goldenbogen B, Brodersen N, Gramatica A, Loew M, Liebscher J, Herrmann A, Egger H, Budde B, Arbuzova A. Reduction-sensitive liposomes from a multifunctional lipid conjugate and natural phospholipids: reduction and release kinetics and cellular uptake. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:10820-10829. [PMID: 21819046 DOI: 10.1021/la201160y] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The development of targeted and triggerable delivery systems is of high relevance for anticancer therapies. We report here on reduction-sensitive liposomes composed of a novel multifunctional lipidlike conjugate, containing a disulfide bond and a biotin moiety, and natural phospholipids. The incorporation of the disulfide conjugate into vesicles and the kinetics of their reduction were studied using dansyl-labeled conjugate 1 in using the dansyl fluorescence environmental sensitivity and the Förster resonance energy transfer from dansyl to rhodamine-labeled phospholipids. Cleavage of the disulfide bridge (e.g., by tris(2-carboxyethyl)phosphine (TCEP), dithiothreitol (DTT), l-cysteine, or glutathione (GSH)) removed the hydrophilic headgroup of the conjugate and thus changed the membrane organization leading to the release of entrapped molecules. Upon nonspecific uptake of vesicles by macrophages, calcein release from reduction-sensitive liposomes consisting of the disulfide conjugate and phospholipids was more efficient than from reduction-insensitive liposomes composed only of phospholipids. The binding of streptavidin to the conjugates did not interfere with either the subsequent reduction of the disulfide bond of the conjugate or the release of entrapped molecules. Breast cancer cell line BT-474, overexpressing the HER2 receptor, showed a high uptake of the reduction-sensitive doxorubicin-loaded liposomes functionalized with the biotin-tagged anti-HER2 antibody. The release of the entrapped cargo inside the cells was observed, implying the potential of using our system for active targeting and delivery.
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Affiliation(s)
- Björn Goldenbogen
- Institute of Biology/Molecular Biophysics, Humboldt-University Berlin, Invalidenstrasse 42, 10115 Berlin, Germany
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Rana DK, Dhar S, Sarkar A, Bhattacharya SC. Dual Intramolecular Hydrogen Bond as a Switch for Inducing Ground and Excited State Intramolecular Double Proton Transfer in Doxorubicin: An Excitation Wavelength Dependence Study. J Phys Chem A 2011; 115:9169-79. [DOI: 10.1021/jp204165j] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Dipak Kumar Rana
- Department of Chemistry, Jadavpur University, Kolkata−700032, India
| | - Sayaree Dhar
- Department of Chemistry, Jadavpur University, Kolkata−700032, India
| | - Arindam Sarkar
- Department of Chemistry, Jadavpur University, Kolkata−700032, India
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Larroque-Lombard AL, Todorova M, Golabi N, Williams C, Jean-Claude BJ. Synthesis and uptake of fluorescence-labeled Combi-molecules by P-glycoprotein-proficient and -deficient uterine sarcoma cells MES-SA and MES-SA/DX5. J Med Chem 2010; 53:2104-13. [PMID: 20151639 DOI: 10.1021/jm9016043] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Here, we report on the first synthesis of fluorescent-labeled epidermal growth factor receptor-DNA targeting combi-molecules, and we studied the influence of P-glycoprotein status of human sarcoma MES-SA cells on their growth inhibitory effect and cellular uptake. The results showed that 6, bearing a longer spacer between the quinazoline ring and the dansyl group, was more stable and more cytotoxic than 4. In contrast to the latter, it induced significant levels of DNA damage in human tumor cells. Moreover, in contrast to doxorubicin, a drug known to be actively effluxed by P-gp, the more stable combi-molecule 6 induced almost identical levels of drug uptake and DNA damage in P-gp-proficient and -deficient cells. Likewise, in contrast to doxorubicin, 4 and 6 exerted equal levels of antiproliferative activity against the two cell types. The results in toto suggest that despite their size, the antiproliferative effects of 4 and 6 were independent of P-gp status of the cells.
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Affiliation(s)
- Anne-Laure Larroque-Lombard
- Cancer Drug Research Laboratory, Department of Medicine, Division of Medical Oncology, McGill University Health Center/Royal Victoria Hospital, 687 Pine Avenue West Room M-719, Montreal, Quebec H3A 1A1, Canada
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Alami N, Paterson J, Belanger S, Juste S, Grieshaber CK, Leyland-Jones B. Comparative analysis of xanafide cytotoxicity in breast cancer cell lines. Br J Cancer 2007; 97:58-64. [PMID: 17551498 PMCID: PMC2359668 DOI: 10.1038/sj.bjc.6603829] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Xanafide, a DNA-intercalating agent and topoisomerase II inhibitor, has previously demonstrated comparable cytotoxicity to the parent drug amonafide (NSC 308847). The current study was conducted to investigate further the anti-proliferative effects of xanafide in human breast cancer cell lines, in vitro and in vivo. The in vitro activity of xanafide against MCF-7, MDA-MB-231, SKBR-3 and T47D cell lines was compared to that of paclitaxel, docetaxel, gemcitabine, vinorelbine and doxorubicin. In MCF-7, xanafide demonstrated comparable total growth inhibition (TGI) concentrations to the taxanes and lower TGI values than gemcitabine, vinorelbine and doxorubicin. MCF-7 (oestrogen receptor (ER)+/p53 wild-type) was the most sensitive cell line to xanafide. MDA-MB-231 and SKBR-3 exhibited similar sensitivity to xanafide. T47 D (ER+/p53 mutated), showed no response to this agent. The in vivo activity of xanafide was further compared to that of docetaxel in MCF-7 and MDA-MB-231 cell lines using the hollow fibre assay. Xanafide was slightly more potent than docetaxel, at its highest dose in MCF-7 cell line, whereas docetaxel was more effective than xanafide in MDA-MB-231 cell line. Our results show that there is no relationship between sensitivity of these cell lines to xanafide and cellular levels of both isoforms of topoisomerase II and suggest that ER and p53 status and their crosstalk may predict the responsiveness or resistance of breast cancer patients to xanafide.
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Affiliation(s)
- N Alami
- Department of Oncology, McGill University, 546 Pine Ave West, Montreal, QC, H2W 1S6 Canada
| | - J Paterson
- Xanthus Pharmaceuticals Inc., 300 Technology Square, 5th Floor, Cambridge, MA 02139, USA
| | - S Belanger
- Department of Oncology, McGill University, 546 Pine Ave West, Montreal, QC, H2W 1S6 Canada
| | - S Juste
- Department of Oncology, McGill University, 546 Pine Ave West, Montreal, QC, H2W 1S6 Canada
| | - C K Grieshaber
- Xanthus Pharmaceuticals Inc., 300 Technology Square, 5th Floor, Cambridge, MA 02139, USA
| | - B Leyland-Jones
- Department of Oncology, McGill University, 546 Pine Ave West, Montreal, QC, H2W 1S6 Canada
- E-mail:
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Parissenti AM, Hembruff SL, Villeneuve DJ, Veitch Z, Guo B, Eng J. Gene expression profiles as biomarkers for the prediction of chemotherapy drug response in human tumour cells. Anticancer Drugs 2007; 18:499-523. [PMID: 17414620 DOI: 10.1097/cad.0b013e3280262427] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Genome profiling approaches such as cDNA microarray analysis and quantitative reverse transcription polymerase chain reaction are playing ever-increasing roles in the classification of human cancers and in the discovery of biomarkers for the prediction of prognosis in cancer patients. Increasing research efforts are also being directed at identifying set of genes whose expression can be correlated with response to specific drugs or drug combinations. Such genes hold the prospect of tailoring chemotherapy regimens to the individual patient, based on tumour or host gene expression profiles. This review outlines recent advances and challenges in using genome profiling for the identification of tumour or host genes whose expression correlates with response to chemotherapy drugs both in vitro and in clinical studies. Genetic predictors of response to a variety of anticancer agents are discussed, including the anthracyclines, taxanes, topoisomerase I and II inhibitors, nucleoside analogs, alkylating agents, and vinca alkaloids.
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Affiliation(s)
- Amadeo M Parissenti
- Tumour Biology Research Program, Sudbury Regional Hospital, Department of Biology, Laurentian University, Sudbury, Ottawa, Ontario, Canada.
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Grethe S, Coltella N, Di Renzo MF, Pörn-Ares MI. p38 MAPK downregulates phosphorylation of Bad in doxorubicin-induced endothelial apoptosis. Biochem Biophys Res Commun 2006; 347:781-90. [PMID: 16843435 DOI: 10.1016/j.bbrc.2006.06.159] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2006] [Accepted: 06/27/2006] [Indexed: 11/24/2022]
Abstract
Doxorubicin is the anthracycline with the widest spectrum of antitumor activity, and it has been shown that the antitumor activity is mediated in vivo by selective triggering of apoptosis in proliferating endothelial cells. We studied cultured human endothelial cells and observed that doxorubicin-induced apoptosis was mediated by p38 mitogen-activated protein kinase (MAPK). Doxorubicin-provoked apoptosis was significantly inhibited by expression of dominant negative p38 MAPK or pharmacological inhibition with SB203580. Furthermore, blocking phosphatidylinositol-3-kinase/Akt signaling significantly increased doxorubicin-induced caspase-3 activity and cell death, indicating that Akt is a survival factor in this system. Notably, we also found that doxorubicin-provoked apoptosis included p38 MAPK-mediated inhibition of Akt and Bad phosphorylation. Furthermore, doxorubicin-stimulated phosphorylation of Bad in cells expressing dominant negative p38 MAPK was impeded by the inhibition of PI3-K. In addition to the impact on Bad phosphorylation, doxorubicin-treatment caused p38 MAPK-dependent downregulation of Bcl-xL protein.
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Affiliation(s)
- Simone Grethe
- Lund University, Division of Experimental Pathology, Department of Laboratory Medicine, University Hospital MAS, Malmö, Sweden
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Santos CR, Rodríguez-Pinilla M, Vega FM, Rodríguez-Peralto JL, Blanco S, Sevilla A, Valbuena A, Hernández T, van Wijnen AJ, Li F, de Alava E, Sánchez-Céspedes M, Lazo PA. VRK1 signaling pathway in the context of the proliferation phenotype in head and neck squamous cell carcinoma. Mol Cancer Res 2006; 4:177-85. [PMID: 16547155 DOI: 10.1158/1541-7786.mcr-05-0212] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The vaccinia-related kinase (VRK) proteins are a new family with three members in the human kinome. The VRK1 protein phosphorylates several transcription factors and has been postulated to be involved in regulation of cell proliferation. In normal squamous epithelium, VRK1 is expressed in the proliferation area. Because VRK1 can stabilize p53, the expression of the VRK1 protein was analyzed in the context of the p53 pathway and the proliferation phenotype in a series of 73 head and neck squamous cell carcinomas. VRK1 protein level positively correlated with p53 response proteins, particularly hdm2 and p21. The VRK1 protein also correlated positively with several proteins associated with proliferation, such as cyclin-dependent kinase 2 (CDK2), CDK6, cdc2, cyclins B1 and A, topoisomerase II, survivin, and Ki67. The level of VRK1 protein behaves like a proliferation marker in this series of head and neck squamous cell carcinomas. To identify a possible regulatory role for VRK1 and because it regulates gene transcription, the promoters of two genes were studied, CDK2 and SURVIVIN, whose proteins correlated positively with VRK1. VRK1 increases the activity of both the CDK2 and SURVIVIN gene promoters. The expression of VRK1 was analyzed in the context of regulators of the G1-S transition. VRK1 protein levels increase in response to E2F1 and are reduced by retinoblastoma and p16. These data suggest that VRK1 might play a role in cell cycle regulation and is likely to represent the beginning of a new control mechanism of cell cycle, particularly late in the G1-S phase.
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Affiliation(s)
- Claudio R Santos
- Instituto de Biología Molecular y Celular del Cáncer, Centro de Investigación del Cáncer, Consejo Superior de Investigaciones Cientificas, Universidad de Salamanca, Campus Miguel de Unamuno, E-37007 Salamanca, Spain
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Shizukuda Y, Matoba S, Mian OY, Nguyen T, Hwang PM. Targeted disruption of p53 attenuates doxorubicin-induced cardiac toxicity in mice. Mol Cell Biochem 2005; 273:25-32. [PMID: 16013437 DOI: 10.1007/s11010-005-5905-8] [Citation(s) in RCA: 112] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Use of the chemotherapeutic agent doxorubicin (Dox) is limited by dose-dependent cardiotoxic effects. The molecular mechanism underlying these toxicities are incompletely understood, but previous results have demonstrated that Dox induces p53 expression. Because p53 is an important regulator of the cell birth and death we hypothesized that targeted disruption of the p53 gene would attenuate Dox-induced cardiotoxicity. To test this, female 6-8 wk old C57BL wild-type (WT) or p53 knockout (p53 KO) mice were randomized to either saline or Dox 20 mg/kg via intraperitoneal injection. Animals were serially imaged with high-frequency (14 MHz) two-dimensional echocardiography. Measurements of left ventricle (LV) systolic function as assessed by fractional shortening (FS) demonstrated a decline in WT mice as early as 4 days after Dox injection and by 2 wk demonstrated a reduction of 31 +/- 16% (P < 0.05) from the baseline. In contrast, in p53 KO mice, LV FS was unchanged over the 2 wk period following Dox injection. Apoptosis of cardiac myocytes as measured by the TUNEL and ligase reactions were significantly increased at 24 h after Dox treatment in WT mice but not in p53 KO mice. After Dox injection, levels of myocardial glutathione and Cu/Zn superoxide dismutase were preserved in p53 KO mice, but not in WT animals. These observations suggest that p53 mediated signals are likely to play a significant role in Dox-induced cardiac toxicity and that they may modulate Dox-induced oxidative stress.
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Affiliation(s)
- Yukitaka Shizukuda
- Cardiovascular Branch, National Heart Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA.
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Köstler WJ, Brodowicz T, Hudelist G, Rudas M, Horvat R, Steger GG, Singer CF, Attems J, Rabitsch W, Fakhrai N, Elandt K, Wiltschke C, Hejna M, Zielinski CC. The efficacy of trastuzumab in Her-2/neu-overexpressing metastatic breast cancer is independent of p53 status. J Cancer Res Clin Oncol 2005; 131:420-8. [PMID: 15864644 DOI: 10.1007/s00432-005-0670-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2004] [Accepted: 01/10/2005] [Indexed: 11/24/2022]
Abstract
PURPOSE Her-2/neu and p53-mediated signalling have been shown to interact at various cellular levels. However, the clinical relevance of p53 alterations in patients receiving trastuzumab for Her-2/neu-overexpressing metastatic breast cancer (MBC) remains unknown. The present study was performed to corroborate previous in vitro findings from our laboratory showing that trastuzumab induces growth arrest and apoptosis in a p53-independent manner. METHOD Retrospective immunohistochemical (IHC) analysis for p53 protein expression was carried out on tumour specimens from 104 patients receiving trastuzumab-based treatment for Her-2/neu-overexpressing MBC at a single institution. p53 status was correlated with response (R) and clinical benefit (CB), median progression-free survival (PFS) time and overall survival (OAS) time in univariate and multivariate analyses. RESULTS Characteristics were similar between p53-negative and p53-positive tumours (all P>0.05). In univariate analyses, R (39% vs 26%, P=0.208), CB (70% vs 57%, P=0.218), PFS (6.2 months vs 4.2 months, P=0.186) and OAS (23.8 months vs 23.2 months, P=0.650) were similar for p53-positive tumours and p53-negative tumours, respectively. In multivariate analyses, p53 status was not a significant predictor of R, CB, PFS or OAS (all P>0.05). CONCLUSIONS p53 status, as determined by IHC, is not a predictor of the clinical efficacy of trastuzumab-based treatment in patients with Her-2/neu-overexpressing MBC.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Humanized
- Antineoplastic Agents/therapeutic use
- Biomarkers, Tumor/metabolism
- Breast Neoplasms/drug therapy
- Breast Neoplasms/metabolism
- Breast Neoplasms/secondary
- Carcinoma, Ductal, Breast/drug therapy
- Carcinoma, Ductal, Breast/metabolism
- Carcinoma, Ductal, Breast/secondary
- Female
- Humans
- Middle Aged
- Prognosis
- Receptor, ErbB-2/metabolism
- Retrospective Studies
- Survival Rate
- Trastuzumab
- Treatment Outcome
- Tumor Suppressor Protein p53/metabolism
- Up-Regulation
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Affiliation(s)
- Wolfgang J Köstler
- Clinical Division of Oncology, Department of Medicine I, Medical University of Vienna, 18-20 Waehringer Guertel, 1090, Vienna, Austria.
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Youn HJ, Kim HS, Jeon MH, Lee JH, Seo YJ, Lee YJ, Lee JH. Induction of caspase-independent apoptosis in H9c2 cardiomyocytes by adriamycin treatment. Mol Cell Biochem 2005; 270:13-9. [PMID: 15792349 DOI: 10.1007/s11010-005-2541-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The cardiotoxicity of adriamycin limits its clinical use as a powerful drug for solid tumors and malignant hematological disease. Although the precise mechanism by which it causes cardiac damage is not yet known, it has been suggested that apoptosis is the principal process in adriamycin-induced cardiomyopathy, which involves DNA fragmentation, cytochrome C release, and caspase activation. However, there has been no direct evidence for the critical involvement of caspase-3 in adriamycin-induced apoptosis. To determine the requirements for the activation of caspase-3 in adriamycin-treated cardiac cells, the effect of a caspase inhibitor on the survival of and apoptotic changes in H9c2 cells was examined. Exposure of H9c2 cells to adriamycin resulted in a time- and dose-dependent cell death, and the cleavage of pro-caspase-3 and of the nuclear protein poly (ADP'ribose) polymerase (PARP). However, neither the reduction of cell viability nor the characteristic morphological changes induced by adriamycin were prevented by pretreatment with the general caspase inhibitor z-VAD.FMK. In contrast, caspase inhibition effectively blocked the apoptosis induced by H202 in H9c2 cells, as determined by an MTT assay or microscopy. We also observed that p53 expression was increased by adriamycin, and this increase was not affected by the inhibition of caspase activity, suggesting a role for p53 in adriamycin-induced caspase-independent apoptosis in cardiac toxicity.
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Affiliation(s)
- Ho-Joong Youn
- Division of Cardiology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
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