1
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Köberle B, Usanova S, Piee-Staffa A, Heinicke U, Clauss P, Brozovic A, Kaina B. Strong apoptotic response of testis tumor cells following cisplatin treatment. Int Urol Nephrol 2024; 56:1007-1017. [PMID: 37891379 PMCID: PMC10853295 DOI: 10.1007/s11255-023-03825-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 09/25/2023] [Indexed: 10/29/2023]
Abstract
Most solid metastatic cancers are resistant to chemotherapy. However, metastatic testicular germ cell tumors (TGCT) are cured in over 80% of patients using cisplatin-based combination therapy. Published data suggest that TGCTs are sensitive to cisplatin due to limited DNA repair and presumably also to a propensity to undergo apoptosis. To further investigate this aspect, cisplatin-induced activation of apoptotic pathways was investigated in cisplatin-sensitive testis tumor cells (TTC) and compared to cisplatin-resistant bladder cancer cells. Apoptosis induction was investigated using flow cytometry, caspase activation and PARP-1 cleavage. Immunoblotting and RT-PCR were applied to investigate pro- and anti-apoptotic proteins. Transfections were performed to target p53- and Fas/FasL-mediated apoptotic signaling. Immunoblotting experiments revealed p53 to be induced in TTC, but not bladder cancer cells following cisplatin. Higher levels of pro-apoptotic Bax and Noxa were observed in TTC, anti-apoptotic Bcl-2 was solely expressed in bladder cancer cells. Cisplatin led to translocation of Bax to the mitochondrial membrane in TTC, resulting in cytochrome C release. Cisplatin increased the expression of FasR mRNA and FasL protein in all tumor cell lines. Targeting the apoptotic pathway via siRNA-mediated knockdown of p53 and FAS reduced death receptor-mediated apoptosis and increased cisplatin resistance in TTC, indicating the involvement of FAS-mediated apoptosis in the cisplatin TTC response. In conclusion, both the death receptor and the mitochondrial apoptotic pathway become strongly activated in TTC following cisplatin treatment, explaining, together with attenuated DNA repair, their unique sensitivity toward platinum-based anticancer drugs.
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Affiliation(s)
- Beate Köberle
- Institute of Toxicology, University of Mainz Medical Center, 55131, Mainz, Germany.
- Department of Food Chemistry and Toxicology, Karlsruhe Institute of Technology, 76131, Karlsruhe, Germany.
| | - Svetlana Usanova
- Institute of Toxicology, University of Mainz Medical Center, 55131, Mainz, Germany
| | - Andrea Piee-Staffa
- Institute of Toxicology, University of Mainz Medical Center, 55131, Mainz, Germany
| | - Ulrike Heinicke
- Institute of Toxicology, University of Mainz Medical Center, 55131, Mainz, Germany
- Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, 60596, Frankfurt Am Main, Germany
| | - Philipp Clauss
- Institute of Toxicology, University of Mainz Medical Center, 55131, Mainz, Germany
| | - Anamaria Brozovic
- Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Bernd Kaina
- Institute of Toxicology, University of Mainz Medical Center, 55131, Mainz, Germany.
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2
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Xiao J, Zhang W. A new function for drug combination dose finding trials. Sci Rep 2024; 14:3483. [PMID: 38346971 PMCID: PMC10861533 DOI: 10.1038/s41598-024-53155-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 01/29/2024] [Indexed: 02/15/2024] Open
Abstract
Combination drugs play an essential role in treating cancers. The challenging part of the combination drugs are to specify the dose-toxicity ordering, which means the sequences of dose escalation and de-escalation in process of dose findings should be pre-determined. In the paper, we extend a novel function of the continual reassessment method based on the combination of the normal distribution for drug-combination dose-finding trials and systematically evaluate its performance using a template of four performance measures EARS (Efficiency, Accuracy, Reliability, Selection). Dose escalation and deescalation rules are based on the nearest neighborhood continual reassessment method for a combination drug, and we specify all possible dose-toxicity orderings in the trial. Simulation demonstrates that the new design is efficient, accurate and reasonably reliable.
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Affiliation(s)
- Jiacheng Xiao
- Department of Financial and Actuarial Mathematics, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, Jiangsu, China
| | - Weijia Zhang
- Department of Financial and Actuarial Mathematics, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, Jiangsu, China.
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3
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Lumpp T, Stößer S, Fischer F, Hartwig A, Köberle B. Role of Epigenetics for the Efficacy of Cisplatin. Int J Mol Sci 2024; 25:1130. [PMID: 38256203 PMCID: PMC10816946 DOI: 10.3390/ijms25021130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/05/2024] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
The clinical utility of the chemotherapeutic agent cisplatin is restricted by cancer drug resistance, which is either intrinsic to the tumor or acquired during therapy. Epigenetics is increasingly recognized as a factor contributing to cisplatin resistance and hence influences drug efficacy and clinical outcomes. In particular, epigenetics regulates gene expression without changing the DNA sequence. Common types of epigenetic modifications linked to chemoresistance are DNA methylation, histone modification, and non-coding RNAs. This review provides an overview of the current findings of various epigenetic modifications related to cisplatin efficacy in cell lines in vitro and in clinical tumor samples. Furthermore, it discusses whether epigenetic alterations might be used as predictors of the platinum agent response in order to prevent avoidable side effects in patients with resistant malignancies. In addition, epigenetic targeting therapies are described as a possible strategy to render cancer cells more susceptible to platinum drugs.
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Affiliation(s)
| | | | | | | | - Beate Köberle
- Department Food Chemistry and Toxicology, Institute of Applied Biosciences, Karlsruhe Institute of Technology, Adenauerring 20a, 76131 Karlsruhe, Germany; (T.L.); (S.S.); (F.F.); (A.H.)
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4
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Sun R, Lee EJ, Lee S, Kim G, Kim J. KPT6566 induces apoptotic cell death and suppresses the tumorigenicity of testicular germ cell tumors. Front Cell Dev Biol 2023; 11:1220179. [PMID: 38020885 PMCID: PMC10652286 DOI: 10.3389/fcell.2023.1220179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023] Open
Abstract
Testicular germ cell tumors (TGCTs) frequently affect adolescent and young adult males. Although TGCT is more responsive to cisplatin-based chemotherapy than other solid tumors, some patients are nonresponders, and following treatment, many patients continue to experience acute and long-term cytotoxic effects from cisplatin-based chemotherapy. Consequently, it is imperative to develop new therapeutic modalities for treatment-resistant TGCTs. Peptidyl-prolyl isomerase (Pin1) regulates the activity and stability of many cancer-associated target proteins. Prior findings suggest that Pin1 contributes to the pathogenesis of multiple human cancers. However, the specific function of Pin1 in TGCTs has not yet been elucidated. TGCT cell proliferation and viability were examined using cell cycle analysis and apoptosis assays following treatment with KPT6566, a potent, selective Pin1 inhibitor that covalently binds to the catalytic domain of Pin1. A xenograft mouse model was used to assess the effect of KPT6566 on tumor growth in vivo. KPT6566 effectively suppressed cell proliferation, colony formation, and ATP production in P19 and NCCIT cells. Further, KPT6566 induced apoptotic cell death by generating cellular reactive oxygen species and downregulating the embryonic transcription factors Oct-4 and Sox2. Finally, KPT6566 treatment significantly reduced tumor volume and mass in P19 cell xenografts. The Pin1 inhibitor KPT6566 has significant antiproliferative and antitumor effects in TGCT cells. These findings suggest that Pin1 inhibitors could be considered as a potential therapeutic approach for TGCTs.
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Affiliation(s)
| | | | | | | | - Jungho Kim
- Laboratory of Molecular and Cellular Biology, Department of Life Science, Sogang University, Seoul, Republic of Korea
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5
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Mansur MB, deSouza NM, Natrajan R, Abegglen LM, Schiffman JD, Greaves M. Evolutionary determinants of curability in cancer. Nat Ecol Evol 2023; 7:1761-1770. [PMID: 37620552 DOI: 10.1038/s41559-023-02159-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 07/05/2023] [Indexed: 08/26/2023]
Abstract
The emergence of drug-resistant cells, most of which have a mutated TP53 gene, prevents curative treatment in most advanced and common metastatic cancers of adults. Yet, a few, rarer malignancies, all of which are TP53 wild type, have high cure rates. In this Perspective, we discuss how common features of curable cancers offer insights into the evolutionary and developmental determinants of drug resistance. Acquired loss of TP53 protein function is the most common genetic change in cancer. This probably reflects positive selection in the context of strong ecosystem pressures including microenvironmental hypoxia. Loss of TP53's functions results in multiple fitness benefits and enhanced evolvability of cancer cells. TP53-null cells survive apoptosis, and tolerate potent oncogenic signalling, DNA damage and genetic instability. In addition, critically, they provide an expanded pool of self-renewing, or stem, cells, the primary units of evolutionary selection in cancer, making subsequent adaptation to therapeutic challenge by drug resistance highly probable. The exceptional malignancies that are curable, including the common genetic subtype of childhood acute lymphoblastic leukaemia and testicular seminoma, differ from the common adult cancers in originating prenatally from embryonic or fetal cells that are developmentally primed for TP53-dependent apoptosis. Plus, they have other genetic and phenotypic features that enable dissemination without exposure to selective pressures for TP53 loss, retaining their intrinsic drug hypersensitivity.
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Affiliation(s)
| | - Nandita M deSouza
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, UK
- Department of Imaging, The Royal Marsden National Health Service (NHS) Foundation Trust, London, UK
| | - Rachael Natrajan
- The Breast Cancer Now Toby Robins Research Centre, Division of Breast Cancer, The Institute of Cancer Research, London, UK
| | - Lisa M Abegglen
- Department of Pediatrics and Huntsman Cancer Institute, University of Utah, Salt Lake City, UT, USA
| | - Joshua D Schiffman
- Department of Pediatrics and Huntsman Cancer Institute, University of Utah, Salt Lake City, UT, USA
- Peel Therapeutics, Inc., Salt Lake City, UT, USA
| | - Mel Greaves
- Centre for Evolution and Cancer, The Institute of Cancer Research, London, UK.
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6
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He X, Yeung SJ, Esteva FJ. A new paradigm for classifying and treating HER2-positive breast cancer. Cancer Rep (Hoboken) 2023; 6:e1841. [PMID: 37254964 PMCID: PMC10432420 DOI: 10.1002/cnr2.1841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 05/10/2023] [Accepted: 05/22/2023] [Indexed: 06/01/2023] Open
Abstract
BACKGROUND Because of the phenomenal success of treatment with monoclonal antibodies and antibody-drug conjugates targeting human epidermal growth factor receptor 2 (HER2), most patients with early-stage HER2-positive breast cancer (HER2+ BC) and some with limited metastatic diseases have been cured, and those who have not been cured have achieved significant improvements in overall survival, which has weakened the role of the TNM staging system in the prognosis of HER2+ BC today. Given that the disease is now highly curable, treatment conception, classification, and modalities should differ from those of cancer types with a poor prognosis. It is warranted to build a new paradigm for classifying and treating HER2+ BC. RECENT FINDINGS In our personal view, we suggest that the classification system should be based not only on traditional anatomy and cancer biology but also on available treatment regimens, their exceptional outcomes, and their toxicities. In this regard, we developed a new concise classification of HER2+ BC based on the TNM staging system, a review of the literature, research results, and our clinical experience, dividing the patients into four distinct groups: curable (lymph-node negative and small (≤3 cm) early breast cancer), do our best to cure (locally advanced or tumors >3 cm early breast cancer), hope for cure (local-regional recurrent, limited metastases, and exceptional responders), and incurable (metastatic breast cancer with poor performance status or non-exceptional responders). CONCLUSION It will assist clinicians in developing an optimal treatment regimen at the outset, curing more HER2+ BC patients and improving their quality of life.
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Affiliation(s)
- Xuexin He
- Department of Medical OncologyHuashan Hospital of Fudan UniversityShanghaiChina
| | | | - Francisco J. Esteva
- Division of Hematology/OncologyNorthwell Health Cancer Institute at Lenox Hill HospitalNew YorkNew YorkUSA
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7
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Raoof S, Clarke CA, Hubbell E, Chang ET, Cusack J. Surgical resection as a predictor of cancer-specific survival by stage at diagnosis and cancer type, United States, 2006-2015. Cancer Epidemiol 2023; 84:102357. [PMID: 37027906 DOI: 10.1016/j.canep.2023.102357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 04/09/2023]
Abstract
BACKGROUND When solid tumors are amenable to definitive resection, clinical outcomes are generally superior to when those tumors are inoperable. However, the population-level cancer survival benefit of eligibility for surgery by cancer stage has not yet been quantified. METHODS Using Surveillance, Epidemiology and End Results data allowing us to identify patients who were deemed eligible for and received surgical resection, we examined the stage-specific association of surgical resection with 12-year cancer-specific survival. The 12-year endpoint was selected to maximize follow-up time and thereby minimize the influence of lead time bias. RESULTS Across a variety of solid tumor types, earlier stage at diagnosis allowed for surgical intervention at a much higher rate than later-stage diagnosis. At every stage, surgical intervention was associated with a substantially higher rate of 12-year cancer-specific survival, with absolute differences of up to 51% for stage I, 51% for stage II, and 44% for stage III cancer, and stage-specific mortality relative risks of 3.6, 2.4, and 1.7, respectively. CONCLUSIONS Diagnosis of solid cancers in early stages often enables surgical resection, which reduces the risk of death from cancer. Receipt of surgical resection is an informative endpoint that is strongly associated with long-term cancer-specific survival at every stage.
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Affiliation(s)
- Sana Raoof
- Memorial Sloan Kettering Cancer Center, USA.
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8
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Yin Y, Peng J, Zheng X, Zhou J, Wang Y, Dai Y, Yin G, Tang Y. Extrinsic apoptosis and senescence involved in growth kinetics of seminoma to cisplatin. Clin Exp Pharmacol Physiol 2023; 50:140-148. [PMID: 36222180 DOI: 10.1111/1440-1681.13730] [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: 03/24/2022] [Revised: 09/15/2022] [Accepted: 10/07/2022] [Indexed: 01/05/2023]
Abstract
Seminoma is the most common type of testicular germ cell tumour and is highly sensitive to cisplatin therapy, which has not been fully elucidated. In this study, we comprehensively monitored dynamic changes of TCam-2 cells after cisplatin treatment. At an early stage, we found that both low and high concentrations of cisplatin induced the S-phase arrest in TCam-2 cells. By contrast, the G0G1 arrest was caused by cisplatin in teratoma NTERA-2 cells. Afterwards, high concentrations of cisplatin promoted the extrinsic apoptosis and high expressions of related genes (Fas/FasL-caspase-8/-3) in TCam-2 cells. However, when decreasing the cisplatin, the apoptotic cells were significantly reduced, and accompanied by cells showing senescence-like morphology, positive SA-β-gal staining and up-regulation of senescence-related genes (p53, p21 and p16). Furthermore, the cell cycle analysis revealed that most of the senescent TCam-2 cells were irreversibly arrested in the G2M phase. G2M arrest was also observed in NTERA-2 cells treated with a low concentration of cisplatin, while no senescence-related phenotype was discovered. In addition, we detected the γ-H2AX, a DNA damage marker protein, and reactive oxygen species (ROS) and found both of which were elevated with the increase of cisplatin in TCam-2 cells. In conclusion, the extrinsic apoptosis and senescence are involved in the growth kinetics of TCam-2 cells to cisplatin, which provide some implications for studies on cisplatin and seminoma.
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Affiliation(s)
- Yinghao Yin
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jingxuan Peng
- Department of Urology, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China.,Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Xiaoping Zheng
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jun Zhou
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yong Wang
- Department of Urology Surgery, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Yingbo Dai
- Department of Urology, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China.,Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Guangming Yin
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yuxin Tang
- Department of Urology, The Third Xiangya Hospital, Central South University, Changsha, China.,Department of Urology, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China.,Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
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9
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Medvedev KE, Savelyeva AV, Chen KS, Bagrodia A, Jia L, Grishin NV. Integrated Molecular Analysis Reveals 2 Distinct Subtypes of Pure Seminoma of the Testis. Cancer Inform 2022; 21:11769351221132634. [PMID: 36330202 PMCID: PMC9623390 DOI: 10.1177/11769351221132634] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 09/24/2022] [Indexed: 11/07/2022] Open
Abstract
Objective: Testicular germ cell tumors (TGCT) are the most common solid malignancy in
adolescent and young men, with a rising incidence over the past 20 years.
Overall, TGCTs are second in terms of the average life years lost per person
dying of cancer, and clinical therapeutics without adverse long-term side
effects are lacking. Platinum-based regimens for TGCTs have heterogeneous
outcomes even within the same histotype that frequently leads to under- and
over-treatment. Understanding of molecular differences that lead to diverse
outcomes of TGCT patients may improve current treatment approaches. Seminoma
is the most common subtype of TGCTs, which can either be pure or present in
combination with other histotypes. Methods: Here we conducted a computational study of 64 pure seminoma samples from The
Cancer Genome Atlas, applied consensus clustering approach to their
transcriptomic data and revealed 2 clinically relevant seminoma subtypes:
seminoma subtype 1 and 2. Results: Our analysis identified significant differences in pluripotency stage,
activity of double stranded DNA breaks repair mechanisms, rates of loss of
heterozygosity, and expression of lncRNA responsible for cisplatin
resistance between the subtypes. Seminoma subtype 1 is characterized by
higher pluripotency state, while subtype 2 showed attributes of reprograming
into non-seminomatous TGCT. The seminoma subtypes we identified may provide
a molecular underpinning for variable responses to chemotherapy and
radiation. Conclusion: Translating our findings into clinical care may help improve risk
stratification of seminoma, decrease overtreatment rates, and increase
long-term quality of life for TGCT survivors.
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Affiliation(s)
- Kirill E Medvedev
- Department of Biophysics, University of
Texas Southwestern Medical Center, Dallas, TX, USA,Kirill E Medvedev, Department of
Biophysics, University of Texas Southwestern Medical Center, 5323 Harry Hines
Blvd, Dallas, TX 75390, USA.
| | - Anna V Savelyeva
- Department of Urology, University of
Texas Southwestern Medical Center, Dallas, TX, USA
| | - Kenneth S Chen
- Department of Pediatrics, University of
Texas Southwestern Medical Center, Dallas, TX, USA,Children’s Medical Center Research
Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Aditya Bagrodia
- Department of Urology, University of
Texas Southwestern Medical Center, Dallas, TX, USA,Department of Urology, University of
California San Diego Health, La Jolla, CA, USA
| | - Liwei Jia
- Department of Pathology, University of
Texas Southwestern Medical Center, Dallas, TX, USA
| | - Nick V Grishin
- Department of Biophysics, University of
Texas Southwestern Medical Center, Dallas, TX, USA,Department of Biochemistry, University
of Texas Southwestern Medical Center, Dallas, TX, USA
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10
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Tarantino P, Parsons HA, Tolaney SM. Aiming for the Cure in ERBB2-Positive Metastatic Breast Cancer-Should We Go "All In"?-Reply. JAMA Oncol 2022; 8:1221-1222. [PMID: 35708676 DOI: 10.1001/jamaoncol.2022.1922] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Paolo Tarantino
- Dana-Farber Cancer Institute, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts.,Division of New Drugs and Early Drug Development, European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Heather A Parsons
- Dana-Farber Cancer Institute, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts
| | - Sara M Tolaney
- Dana-Farber Cancer Institute, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts
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11
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Testicular Germ Cell Tumours and Proprotein Convertases. Cancers (Basel) 2022; 14:cancers14071633. [PMID: 35406405 PMCID: PMC8996948 DOI: 10.3390/cancers14071633] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/08/2022] [Accepted: 03/10/2022] [Indexed: 02/05/2023] Open
Abstract
Simple Summary Despite the high survival rate of the most common neoplasia in young Caucasian men: Testicular Germ Cell Tumors (TGCT), the quality of life of these patients is impaired by the multiple long-term side effects of their treatment. The study of molecules that can serve both as diagnostic biomarkers for tumor development and as therapeutic targets seems necessary. Proprotein convertases (PC) are a group of proteases responsible for the maturation of inactive proproteins with very diverse functions, whose alterations in expression have been associated with various diseases, such as other types of cancer and inflammation. The study of the immune tumor microenvironment and the substrates of PCs could contribute to the development of new and necessary immunotherapies to treat this pathology. Abstract Testicular Germ Cell Tumours (TGCT) are widely considered a “curable cancer” due to their exceptionally high survival rate, even if it is reduced by many years after the diagnosis due to metastases and relapses. The most common therapeutic approach to TGCTs has not changed in the last 50 years despite its multiple long-term side effects, and because it is the most common malignancy in young Caucasian men, much research is needed to better the quality of life of the many survivors. Proprotein Convertases (PC) are nine serine proteases responsible for the maturation of inactive proproteins with many diverse functions. Alterations in their expression have been associated with various diseases, including cancer and inflammation. Many of their substrates are adhesion molecules, metalloproteases and proinflammatory molecules, all of which are involved in tumour development. Inhibition of certain convertases has also been shown to slow tumour formation, demonstrating their involvement in this process. Considering the very established link between PCs and inflammation-related malignancies and the recent studies carried out into the immune microenvironment of TGCTs, the study of the involvement of PCs in testicular cancer may open up avenues for being both a biomarker for diagnosis and a therapeutic target.
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12
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Schoch S, Sen V, Brenner W, Hartwig A, Köberle B. In Vitro Nephrotoxicity Studies of Established and Experimental Platinum-Based Compounds. Biomedicines 2021; 9:biomedicines9081033. [PMID: 34440237 PMCID: PMC8394219 DOI: 10.3390/biomedicines9081033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 11/16/2022] Open
Abstract
Cisplatin is one of the most commonly used drugs for the treatment of various solid cancers. However, its efficacy is restricted by severe side effects, especially dose-limiting nephrotoxicity. New platinum-based compounds are designed to overcome this limitation. Previous investigations showed that the platinum(IV)–nitroxyl complex PN149 is highly cytotoxic in various tumor cell lines. In the present study, investigations with PN149 were extended to normal human kidney tubule epithelia. Coincident with higher intracellular platinum accumulation, the cytotoxicity of PN149 in the proximal tubule epithelial cell line ciPTEC was more pronounced compared to the established platinum chemotherapeutics cisplatin, carboplatin and oxaliplatin. Quantitative gene expression profiling revealed the induction of ROS-inducible and anti-oxidative genes, suggesting an oxidative stress response by PN149. However, in contrast to cisplatin, no pro-inflammatory response was observed. Genes coding for distinct DNA damage response factors and genes related to apoptosis were up-regulated, indicating the activation of the DNA damage response system and induction of the apoptotic cascade by PN149. Altogether, a comparable transcriptional response was observed for PN149 and the platinum chemotherapeutics. However, the lack of inflammatory activity, which is a possible cause contributing to toxicity in human renal proximal tubule epithelia, might indicate the reduced nephrotoxic potential of PN149.
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Affiliation(s)
- Sarah Schoch
- Department of Laboratory Medicine, Lund University, Scheelevägen 2, 223 81 Lund, Sweden;
| | - Vasily Sen
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, 142432 Moscow, Russia;
| | - Walburgis Brenner
- Clinic for Obstetrics and Women’s Health, Department of Urology and Pediatric Urology, University Medical Center Mainz, Langenbeckstreet 1, 55131 Mainz, Germany;
| | - Andrea Hartwig
- Karlsruhe Institute of Technology, Department of Food Chemistry and Toxicology, Adenauerring 20, 76131 Karlsruhe, Germany;
| | - Beate Köberle
- Karlsruhe Institute of Technology, Department of Food Chemistry and Toxicology, Adenauerring 20, 76131 Karlsruhe, Germany;
- Correspondence: ; Tel.: +49-721-608-42933
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13
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Souza KM, Mendes IC, Dall'Igna DM, Repolês BM, Resende BC, Moreira RS, Miletti LC, Machado CR, Vogel CIG. Bioinformatics and expression analysis of the Xeroderma Pigmentosum complementation group C (XPC) of Trypanosoma evansi in Trypanosoma cruzi cells. BRAZ J BIOL 2021; 83:e243910. [PMID: 34190757 DOI: 10.1590/1519-6984.243910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 03/23/2021] [Indexed: 11/22/2022] Open
Abstract
Nucleotide excision repair (NER) acts repairing damages in DNA, such as lesions caused by cisplatin. Xeroderma Pigmentosum complementation group C (XPC) protein is involved in recognition of global genome DNA damages during NER (GG-NER) and it has been studied in different organisms due to its importance in other cellular processes. In this work, we studied NER proteins in Trypanosoma cruzi and Trypanosoma evansi, parasites of humans and animals respectively. We performed three-dimensional models of XPC proteins from T. cruzi and T. evansi and observed few structural differences between these proteins. In our tests, insertion of XPC gene from T. evansi (TevXPC) in T. cruzi resulted in slower cell growth under normal conditions. After cisplatin treatment, T. cruzi overexpressing its own XPC gene (TcXPC) was able to recover cell division rates faster than T. cruzi expressing TevXPC gene. Based on these tests, it is suggested that TevXPC (being an exogenous protein in T. cruzi) interferes negatively in cellular processes where TcXPC (the endogenous protein) is involved. This probably occurred due interaction of TevXPC with some endogenous molecules or proteins from T.cruzi but incapacity of interaction with others. This reinforces the importance of correctly XPC functioning within the cell.
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Affiliation(s)
- K M Souza
- Universidade do Estado de Santa Catarina, Departamento de Produção Animal e Alimentos, Lages, SC, Brasil
| | - I C Mendes
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Bioquímica e Imunologia, Belo Horizonte, MG, Brasil
| | - D M Dall'Igna
- Universidade do Estado de Santa Catarina, Departamento de Produção Animal e Alimentos, Lages, SC, Brasil.,Universidade do Planalto Catarinense, Lages, SC, Brasil
| | - B M Repolês
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Bioquímica e Imunologia, Belo Horizonte, MG, Brasil
| | - B C Resende
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Bioquímica e Imunologia, Belo Horizonte, MG, Brasil
| | - R S Moreira
- Universidade do Estado de Santa Catarina, Departamento de Produção Animal e Alimentos, Lages, SC, Brasil.,Instituto Federal de Santa Catarina, Departamento de Ensino, Pesquisa e Extensão, Lages, SC, Brasil
| | - L C Miletti
- Universidade do Estado de Santa Catarina, Departamento de Produção Animal e Alimentos, Lages, SC, Brasil
| | - C R Machado
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Bioquímica e Imunologia, Belo Horizonte, MG, Brasil
| | - C I G Vogel
- Universidade do Estado de Santa Catarina, Departamento de Produção Animal e Alimentos, Lages, SC, Brasil
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14
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Köberle B, Schoch S. Platinum Complexes in Colorectal Cancer and Other Solid Tumors. Cancers (Basel) 2021; 13:cancers13092073. [PMID: 33922989 PMCID: PMC8123298 DOI: 10.3390/cancers13092073] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/22/2021] [Accepted: 04/23/2021] [Indexed: 12/25/2022] Open
Abstract
Simple Summary Cisplatin is successfully used for the treatment of various solid cancers. Unfortunately, it shows no activity in colorectal cancer. The resistance phenotype of colorectal cancer cells is mainly caused by alterations in p53-controlled DNA damage signaling and/or defects in the cellular mismatch repair pathway. Improvement of platinum-based chemotherapy in cisplatin-unresponsive cancers, such as colorectal cancer, might be achieved by newly designed cisplatin analogues, which retain activity in unresponsive tumor cells. Moreover, a combination of cisplatin with biochemical modulators of DNA damage signaling might sensitize cisplatin-resistant tumor cells to the drug, thus providing another strategy to improve cancer therapy. Abstract Cisplatin is one of the most commonly used drugs for the treatment of various solid neoplasms, including testicular, lung, ovarian, head and neck, and bladder cancers. Unfortunately, the therapeutic efficacy of cisplatin against colorectal cancer is poor. Various mechanisms appear to contribute to cisplatin resistance in cancer cells, including reduced drug accumulation, enhanced drug detoxification, modulation of DNA repair mechanisms, and finally alterations in cisplatin DNA damage signaling preventing apoptosis in cancer cells. Regarding colorectal cancer, defects in mismatch repair and altered p53-mediated DNA damage signaling are the main factors controlling the resistance phenotype. In particular, p53 inactivation appears to be associated with chemoresistance and poor prognosis. To overcome resistance in cancers, several strategies can be envisaged. Improved cisplatin analogues, which retain activity in resistant cancer, might be applied. Targeting p53-mediated DNA damage signaling provides another therapeutic strategy to circumvent cisplatin resistance. This review provides an overview on the DNA repair pathways involved in the processing of cisplatin damage and will describe signal transduction from cisplatin DNA lesions, with special attention given to colorectal cancer cells. Furthermore, examples for improved platinum compounds and biochemical modulators of cisplatin DNA damage signaling will be presented in the context of colon cancer therapy.
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Affiliation(s)
- Beate Köberle
- Department of Food Chemistry and Toxicology, Karlsruhe Institute of Technology, Adenauerring 20a, 76131 Karlsruhe, Germany
| | - Sarah Schoch
- Department of Laboratory Medicine, Lund University, Scheelevägen 2, 223 81 Lund, Sweden
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15
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Scoditti S, Dabbish E, Sicilia E. Is the cytotoxic activity of phenanthriplatin dependent on the specific size of the phenanthridine ligand π system? J Inorg Biochem 2021; 219:111447. [PMID: 33798829 DOI: 10.1016/j.jinorgbio.2021.111447] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/04/2021] [Accepted: 03/24/2021] [Indexed: 12/12/2022]
Abstract
The monofunctional Pt(II) drug phenanthriplatin is a leading preclinical anticancer drug, whose main characteristic is the presence of the extended aromatic system of the phenanthridine ligand, which allows intercalation. Intercalation, in turn, induces DNA unwinding and facilitates DNA binding. Aiming at verifying to what extent the peculiar cytotoxic activity of phenanthriplatin depends on the specific size of the aromatic system, two phenanthriplatin derivatives have been designed increasing the number of the rings in the N-heterocyclic ligand, and their reactivity has been computationally investigated. Both quantum mechanical DFT computations and molecular dynamics (MD) simulations have been employed to investigate some of the aspects that are considered important for the activity of Pt(II) monofunctional complexes. In particular, the substitution of the chlorido ligand with water, subsequent interaction of the aquated complexes with guanine as a model, eventual deactivation by the model N-acetyl methionine as well as intercalation into, binding to and distortion of DNA have been examined. The outcomes of such analysis have been compared with the analogous ones for the phenanthriplatin complex in order to highlight how the addition of one more ring to the phenanthridine ligand and, eventually, its identity influence the reactivity and, consequently, the cytotoxic profile of the complexes.
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Affiliation(s)
- Stefano Scoditti
- Department of Chemistry and Chemical Technologies, Università della Calabria, 87036 Arcavacata di Rende (CS), Italy
| | - Eslam Dabbish
- Department of Chemistry and Chemical Technologies, Università della Calabria, 87036 Arcavacata di Rende (CS), Italy.
| | - Emilia Sicilia
- Department of Chemistry and Chemical Technologies, Università della Calabria, 87036 Arcavacata di Rende (CS), Italy.
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16
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Role of Nucleotide Excision Repair in Cisplatin Resistance. Int J Mol Sci 2020; 21:ijms21239248. [PMID: 33291532 PMCID: PMC7730652 DOI: 10.3390/ijms21239248] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 11/27/2020] [Accepted: 11/30/2020] [Indexed: 12/14/2022] Open
Abstract
Cisplatin is a chemotherapeutic drug used for the treatment of a number of cancers. The efficacy of cisplatin relies on its binding to DNA and the induction of cytotoxic DNA damage to kill cancer cells. Cisplatin-based therapy is best known for curing testicular cancer; however, treatment of other solid tumors with cisplatin has not been as successful. Pre-clinical and clinical studies have revealed nucleotide excision repair (NER) as a major resistance mechanism against cisplatin in tumor cells. NER is a versatile DNA repair system targeting a wide range of helix-distorting DNA damage. The NER pathway consists of multiple steps, including damage recognition, pre-incision complex assembly, dual incision, and repair synthesis. NER proteins can recognize cisplatin-induced DNA damage and remove the damage from the genome, thereby neutralizing the cytotoxicity of cisplatin and causing drug resistance. Here, we review the molecular mechanism by which NER repairs cisplatin damage, focusing on the recent development of genome-wide cisplatin damage mapping methods. We also discuss how the expression and somatic mutations of key NER genes affect the response of cancer cells to cisplatin. Finally, small molecules targeting NER factors provide important tools to manipulate NER capacity in cancer cells. The status of research on these inhibitors and their implications in cancer treatment will be discussed.
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17
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Craig M, Jenner AL, Namgung B, Lee LP, Goldman A. Engineering in Medicine To Address the Challenge of Cancer Drug Resistance: From Micro- and Nanotechnologies to Computational and Mathematical Modeling. Chem Rev 2020; 121:3352-3389. [PMID: 33152247 DOI: 10.1021/acs.chemrev.0c00356] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Drug resistance has profoundly limited the success of cancer treatment, driving relapse, metastasis, and mortality. Nearly all anticancer drugs and even novel immunotherapies, which recalibrate the immune system for tumor recognition and destruction, have succumbed to resistance development. Engineers have emerged across mechanical, physical, chemical, mathematical, and biological disciplines to address the challenge of drug resistance using a combination of interdisciplinary tools and skill sets. This review explores the developing, complex, and under-recognized role of engineering in medicine to address the multitude of challenges in cancer drug resistance. Looking through the "lens" of intrinsic, extrinsic, and drug-induced resistance (also referred to as "tolerance"), we will discuss three specific areas where active innovation is driving novel treatment paradigms: (1) nanotechnology, which has revolutionized drug delivery in desmoplastic tissues, harnessing physiochemical characteristics to destroy tumors through photothermal therapy and rationally designed nanostructures to circumvent cancer immunotherapy failures, (2) bioengineered tumor models, which have benefitted from microfluidics and mechanical engineering, creating a paradigm shift in physiologically relevant environments to predict clinical refractoriness and enabling platforms for screening drug combinations to thwart resistance at the individual patient level, and (3) computational and mathematical modeling, which blends in silico simulations with molecular and evolutionary principles to map mutational patterns and model interactions between cells that promote resistance. On the basis that engineering in medicine has resulted in discoveries in resistance biology and successfully translated to clinical strategies that improve outcomes, we suggest the proliferation of multidisciplinary science that embraces engineering.
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Affiliation(s)
- Morgan Craig
- Department of Mathematics and Statistics, University of Montreal, Montreal, Quebec H3C 3J7, Canada.,Sainte-Justine University Hospital Research Centre, Montreal, Quebec H3S 2G4, Canada
| | - Adrianne L Jenner
- Department of Mathematics and Statistics, University of Montreal, Montreal, Quebec H3C 3J7, Canada.,Sainte-Justine University Hospital Research Centre, Montreal, Quebec H3S 2G4, Canada
| | - Bumseok Namgung
- Division of Engineering in Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, United States.,Department of Medicine, Harvard Medical School, Boston, Massachusetts 02139, United States
| | - Luke P Lee
- Division of Engineering in Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, United States.,Department of Medicine, Harvard Medical School, Boston, Massachusetts 02139, United States
| | - Aaron Goldman
- Division of Engineering in Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, United States.,Department of Medicine, Harvard Medical School, Boston, Massachusetts 02139, United States
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18
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Raudenska M, Balvan J, Fojtu M, Gumulec J, Masarik M. Unexpected therapeutic effects of cisplatin. Metallomics 2020; 11:1182-1199. [PMID: 31098602 DOI: 10.1039/c9mt00049f] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cisplatin is a widely used chemotherapeutic agent that is clinically approved to fight both carcinomas and sarcomas. It has relatively high efficiency in treating ovarian cancers and metastatic testicular cancers. It is generally accepted that the major mechanism of cisplatin anti-cancer action is DNA damage. However, cisplatin is also effective in metastatic cancers and should, therefore, affect slow-cycling cancer stem cells in some way. In this review, we focused on the alternative effects of cisplatin that can support a good therapeutic response. First, attention was paid to the effects of cisplatin at the cellular level such as changes in intracellular pH and cellular mechanical properties. Alternative cellular targets of cisplatin, and the effects of cisplatin on cancer cell metabolism and ER stress were also discussed. Furthermore, the impacts of cisplatin on the tumor microenvironment and in the whole organism context were reviewed. In this review, we try to reveal possible causes of the unexpected effectiveness of this anti-cancer drug.
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Affiliation(s)
- Martina Raudenska
- Department of Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic.
| | - Jan Balvan
- Department of Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic. and Department of Pathological Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic and Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, CZ-612 00 Brno, Czech Republic
| | - Michaela Fojtu
- Department of Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic.
| | - Jaromir Gumulec
- Department of Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic. and Department of Pathological Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic and Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, CZ-612 00 Brno, Czech Republic
| | - Michal Masarik
- Department of Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic. and Department of Pathological Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, CZ-625 00 Brno, Czech Republic and BIOCEV, First Faculty of Medicine, Charles University, Průmyslová 595, CZ-252 50 Vestec, Czech Republic
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19
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Aberrant epigenetic inactivation of RASSF1A and MGMT gene and genetic mutations of KRAS, cKIT and BRAF in Indian testicular germ cell tumours. Cancer Genet 2020; 241:42-50. [DOI: 10.1016/j.cancergen.2019.10.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 09/11/2019] [Accepted: 10/09/2019] [Indexed: 12/11/2022]
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20
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Dabbish E, Russo N, Sicilia E. Rationalization of the Superior Anticancer Activity of Phenanthriplatin: An In‐Depth Computational Exploration. Chemistry 2019; 26:259-268. [DOI: 10.1002/chem.201903831] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 10/11/2019] [Indexed: 01/05/2023]
Affiliation(s)
- Eslam Dabbish
- Department of Chemistry and Chemical Technologies Università della Calabria Ponte P. Bucci Cubo 14c 87035 Arcavacata di Rende CS Italy
| | - Nino Russo
- Department of Chemistry and Chemical Technologies Università della Calabria Ponte P. Bucci Cubo 14c 87035 Arcavacata di Rende CS Italy
| | - Emilia Sicilia
- Department of Chemistry and Chemical Technologies Università della Calabria Ponte P. Bucci Cubo 14c 87035 Arcavacata di Rende CS Italy
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21
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Schmidtova S, Kalavska K, Gercakova K, Cierna Z, Miklikova S, Smolkova B, Buocikova V, Miskovska V, Durinikova E, Burikova M, Chovanec M, Matuskova M, Mego M, Kucerova L. Disulfiram Overcomes Cisplatin Resistance in Human Embryonal Carcinoma Cells. Cancers (Basel) 2019; 11:E1224. [PMID: 31443351 PMCID: PMC6769487 DOI: 10.3390/cancers11091224] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/20/2019] [Accepted: 08/20/2019] [Indexed: 12/17/2022] Open
Abstract
Cisplatin resistance in testicular germ cell tumors (TGCTs) is a clinical challenge. We investigated the underlying mechanisms associated with cancer stem cell (CSC) markers and modalities circumventing the chemoresistance. Chemoresistant models (designated as CisR) of human embryonal carcinoma cell lines NTERA-2 and NCCIT were derived and characterized using flow cytometry, gene expression, functional and protein arrays. Tumorigenicity was determined on immunodeficient mouse model. Disulfiram was used to examine chemosensitization of resistant cells. ALDH1A3 isoform expression was evaluated by immunohistochemistry in 216 patients' tissue samples. Chemoresistant cells were significantly more resistant to cisplatin, carboplatin and oxaliplatin compared to parental cells. NTERA-2 CisR cells exhibited altered morphology and increased tumorigenicity. High ALDH1A3 expression and increased ALDH activity were detected in both refractory cell lines. Disulfiram in combination with cisplatin showed synergy for NTERA-2 CisR and NCCIT CisR cells and inhibited growth of NTERA-2 CisR xenografts. Significantly higher ALDH1A3 expression was detected in TGCTs patients' tissue samples compared to normal testicular tissue. We characterized novel clinically relevant model of chemoresistant TGCTs, for the first time identified the ALDH1A3 as a therapeutic target in TGCTs and more importantly, showed that disulfiram represents a viable treatment option for refractory TGCTs.
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Affiliation(s)
- Silvia Schmidtova
- Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia.
| | - Katarina Kalavska
- Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
- Department of Oncology, Faculty of Medicine, Comenius University and National Cancer Institute, Klenova 1, 833 10 Bratislava, Slovakia
- Translational Research Unit, Faculty of Medicine, Comenius University, Klenova 1, 833 10 Bratislava, Slovakia
| | - Katarina Gercakova
- Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Zuzana Cierna
- Department of Pathology, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
| | - Svetlana Miklikova
- Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Bozena Smolkova
- Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Verona Buocikova
- Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Viera Miskovska
- Department of Oncology, Faculty of Medicine, Comenius University and St. Elisabeth Cancer Institute, Kolarska 12, 812 50 Bratislava, Slovakia
| | - Erika Durinikova
- Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Monika Burikova
- Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Michal Chovanec
- Department of Oncology, Faculty of Medicine, Comenius University and National Cancer Institute, Klenova 1, 833 10 Bratislava, Slovakia
- Translational Research Unit, Faculty of Medicine, Comenius University, Klenova 1, 833 10 Bratislava, Slovakia
| | - Miroslava Matuskova
- Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Michal Mego
- Department of Oncology, Faculty of Medicine, Comenius University and National Cancer Institute, Klenova 1, 833 10 Bratislava, Slovakia
- Translational Research Unit, Faculty of Medicine, Comenius University, Klenova 1, 833 10 Bratislava, Slovakia
| | - Lucia Kucerova
- Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
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22
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Shared and unique genomic structural variants of different histological components within testicular germ cell tumours identified with mate pair sequencing. Sci Rep 2019; 9:3586. [PMID: 30837548 PMCID: PMC6400951 DOI: 10.1038/s41598-019-39956-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 02/01/2019] [Indexed: 12/12/2022] Open
Abstract
Post-pubertal testicular germ-cell tumours (TGCTs) can present with a variety of distinct histologies which are nevertheless lineage related and often co-occurring. The exact lineage relationships and developmental pathways leading to the different histologies is debated. In order to investigate the relationship of histologic populations, mate-pair sequencing (MPseq) and exome sequencing (ExomeSeq) were conducted on different histological populations within the same tumour. Ten TGCTs with 1–3 histologic types/tumour were sequenced. Junctions of somatic chromosomal rearrangements were identified on a per genome basis, with germ cell neoplasia in situ possessing the least (median 1, range 0–4) and embryonal carcinoma the most (median 8.5, range 6–12). Copy number variation revealed gains and losses, including isoform 12p (i12p) (10/10 samples), and chromosomes 7, 8, and 21 gains (7/10 samples). Mapping of shared junctions within a tumour revealed lineage relationships, but only i12p was shared between patients. ExomeSeq from two cases demonstrated a high level of copy-neutral loss of heterozygosity. Parallel assessment of separate histologies within a single TGCT demonstrated cumulative and divergent changes, suggesting the importance of parallel sequencing for detection of relevant biomarkers.
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23
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Bui L, Shen Q, Hill T, Bhuiyan SH, Barakat R, Saavedra V, Kong C, Battiste JD, Kim YT. Microchannel device for proteomic analysis of migrating cancer cells. Biomed Phys Eng Express 2018. [DOI: 10.1088/2057-1976/aacd5f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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24
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Schmidtova S, Kalavska K, Kucerova L. Molecular Mechanisms of Cisplatin Chemoresistance and Its Circumventing in Testicular Germ Cell Tumors. Curr Oncol Rep 2018; 20:88. [PMID: 30259297 DOI: 10.1007/s11912-018-0730-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
PURPOSE OF REVIEW Testicular germ cell tumors (TGCTs) represent the most common solid tumors affecting young men. Majority of TGCTs respond well to cisplatin-based chemotherapy. However, patients with refractory disease have limited treatment modalities associated with poor prognosis. Here, we discuss the main molecular mechanisms associated with acquired cisplatin resistance in TGCTs and how their understanding might help in the development of new approaches to tackle this clinically relevant problem. We also discuss recent data on the strategies of circumventing the cisplatin resistance from different tumor types potentially efficient also in TGCTs. RECENT FINDINGS Recent data regarding deregulation of various signaling pathways as well as genetic and epigenetic mechanisms in cisplatin-resistant TGCTs have contributed to understanding of the mechanisms related to the resistance to cisplatin-based chemotherapy in these tumors. Understanding of these mechanisms enabled explaining why majority but not all TGCTs patients are curable with cisplatin-based chemotherapy. Moreover, it could lead to the development of more effective treatment of refractory TGCTs and potentially other solid tumors resistant to platinum-based chemotherapy. This review provides additional insights into mechanisms associated with cisplatin resistance in TGCTs, which is a complex phenomenon, and there is a need for novel modalities to overcome it.
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Affiliation(s)
- Silvia Schmidtova
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05, Bratislava, Slovakia
| | - Katarina Kalavska
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05, Bratislava, Slovakia
- 2nd Department of Oncology, Faculty of Medicine, Comenius University and National Cancer Institute, Klenová 1, 833 10, Bratislava, Slovakia
- Translational Research Unit, Faculty of Medicine, Comenius University, Klenová 1, Bratislava, 833 10, Slovakia
| | - Lucia Kucerova
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05, Bratislava, Slovakia.
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25
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Lewin J, Soltan Ghoraie L, Bedard PL, Hamilton RJ, Chung P, Moore M, Jewett MA, Anson-Cartwright L, Virtanen C, Winegarden N, Tsao J, Warde P, Sweet J, Haibe-Kains B, Hansen AR. Gene expression signatures prognostic for relapse in stage I testicular germ cell tumours. BJU Int 2018; 122:814-822. [DOI: 10.1111/bju.14372] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jeremy Lewin
- Division of Medical Oncology and Hematology; Princess Margaret Cancer Centre; Toronto ON Canada
| | - Laleh Soltan Ghoraie
- Bioinformatics and Computational Genomics Laboratory; Princess Margaret Cancer Centre; Toronto ON Canada
| | - Philippe L. Bedard
- Division of Medical Oncology and Hematology; Princess Margaret Cancer Centre; Toronto ON Canada
| | - Robert J. Hamilton
- Departments of Surgery (Urology) and Surgical Oncology; University Health Network; Princess Margaret Cancer Centre; University of Toronto; Toronto ON Canada
| | - Peter Chung
- Department of Radiation Oncology; Princess Margaret Cancer Centre; Toronto ON Canada
| | | | - Michael A.S. Jewett
- Departments of Surgery (Urology) and Surgical Oncology; University Health Network; Princess Margaret Cancer Centre; University of Toronto; Toronto ON Canada
| | - Lynn Anson-Cartwright
- Department of Radiation Oncology; Princess Margaret Cancer Centre; Toronto ON Canada
| | - Carl Virtanen
- Microarray Centre; University Health Network; Toronto ON Canada
| | - Neil Winegarden
- Princess Margaret Genomics Centre; University Health Network; Toronto ON Canada
| | - Julie Tsao
- Princess Margaret Genomics Centre; University Health Network; Toronto ON Canada
| | - Padraig Warde
- Department of Radiation Oncology; Princess Margaret Cancer Centre; Toronto ON Canada
| | - Joan Sweet
- Department of Pathology; University Health Network; Toronto ON Canada
| | - Benjamin Haibe-Kains
- Bioinformatics and Computational Genomics Laboratory; Princess Margaret Cancer Centre; Toronto ON Canada
| | - Aaron R. Hansen
- Division of Medical Oncology and Hematology; Princess Margaret Cancer Centre; Toronto ON Canada
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26
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In-depth characterization of the cisplatin mutational signature in human cell lines and in esophageal and liver tumors. Genome Res 2018; 28:654-665. [PMID: 29632087 PMCID: PMC5932606 DOI: 10.1101/gr.230219.117] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Accepted: 03/13/2018] [Indexed: 12/18/2022]
Abstract
Cisplatin reacts with DNA and thereby likely generates a characteristic pattern of somatic mutations, called a mutational signature. Despite widespread use of cisplatin in cancer treatment and its role in contributing to secondary malignancies, its mutational signature has not been delineated. We hypothesize that cisplatin's mutational signature can serve as a biomarker to identify cisplatin mutagenesis in suspected secondary malignancies. Knowledge of which tissues are at risk of developing cisplatin-induced secondary malignancies could lead to guidelines for noninvasive monitoring for secondary malignancies after cisplatin chemotherapy. We performed whole genome sequencing of 10 independent clones of cisplatin-exposed MCF-10A and HepG2 cells and delineated the patterns of single and dinucleotide mutations in terms of flanking sequence, transcription strand bias, and other characteristics. We used the mSigAct signature presence test and nonnegative matrix factorization to search for cisplatin mutagenesis in hepatocellular carcinomas and esophageal adenocarcinomas. All clones showed highly consistent patterns of single and dinucleotide substitutions. The proportion of dinucleotide substitutions was high: 8.1% of single nucleotide substitutions were part of dinucleotide substitutions, presumably due to cisplatin's propensity to form intra- and interstrand crosslinks between purine bases in DNA. We identified likely cisplatin exposure in nine hepatocellular carcinomas and three esophageal adenocarcinomas. All hepatocellular carcinomas for which clinical data were available and all esophageal cancers indeed had histories of cisplatin treatment. We experimentally delineated the single and dinucleotide mutational signature of cisplatin. This signature enabled us to detect previous cisplatin exposure in human hepatocellular carcinomas and esophageal adenocarcinomas with high confidence.
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27
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Rossi M, Colecchia D, Ilardi G, Acunzo M, Nigita G, Sasdelli F, Celetti A, Strambi A, Staibano S, Croce CM, Chiariello M. MAPK15 upregulation promotes cell proliferation and prevents DNA damage in male germ cell tumors. Oncotarget 2018; 7:20981-98. [PMID: 26988910 PMCID: PMC4991506 DOI: 10.18632/oncotarget.8044] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 01/29/2016] [Indexed: 12/09/2022] Open
Abstract
Germ cell tumors (GCT) are the most common malignancies in males between 15 and 35 years of age. Despite the high cure rate, achieved through chemotherapy and/or surgery, the molecular basis of GCT etiology is still largely obscure. Here, we show a positive correlation between MAPK15 (ERK8; ERK7) expression and specific GCT subtypes, with the highest levels found in the aggressive embryonal carcinomas (EC). Indeed, in corresponding cellular models for EC, MAPK15 enhanced tumorigenicity in vivo and promoted cell proliferation in vitro, supporting a role for this kinase in human GCT. At molecular level, we demonstrated that endogenous MAPK15 is necessary to sustain cell cycle progression of EC cells, by limiting p53 activation and preventing the triggering of p53-dependent mechanisms resulting in cell cycle arrest. To understand MAPK15-dependent mechanisms impinging on p53 activation, we demonstrate that this kinase efficiently protects cells from DNA damage. Moreover, we show that the ability of MAPK15 to control the autophagic process is necessary for basal management of DNA damage and for tumor formation controlled by the kinase. In conclusion, our findings suggest that MAPK15 overexpression may contribute to the malignant transformation of germ cells by controlling a “stress support” autophagic pathway, able to prevent DNA damage and the consequent activation of the p53 tumor suppressor. Moreover, in light of these results, MAPK15-specific inhibitors might represent new tools to enhance the therapeutic index of cytotoxic therapy in GCT treatment, and to increase the sensitivity to DNA-damaging drugs in other chemotherapy-resistant human tumors.
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Affiliation(s)
- Matteo Rossi
- Istituto Toscano Tumori (ITT), Core Research Laboratory (CRL), AOU Senese, Siena, Italy
| | - David Colecchia
- Istituto Toscano Tumori (ITT), Core Research Laboratory (CRL), AOU Senese, Siena, Italy.,Istituto di Fisiologia Clinica (IFC), Consiglio Nazionale delle Ricerche (CNR), Siena, Italy
| | - Gennaro Ilardi
- Dipartimento di Scienze Biomediche Avanzate, Università di Napoli "Federico II", Napoli, Italy
| | - Mario Acunzo
- Department of Molecular Virology, Immunology and Medical Genetics, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Giovanni Nigita
- Department of Molecular Virology, Immunology and Medical Genetics, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Federica Sasdelli
- Istituto Toscano Tumori (ITT), Core Research Laboratory (CRL), AOU Senese, Siena, Italy.,Istituto di Fisiologia Clinica (IFC), Consiglio Nazionale delle Ricerche (CNR), Siena, Italy
| | - Angela Celetti
- Istituto di Endocrinologia e Oncologia Sperimentale "G. Salvatore", CNR, Napoli, Italy
| | - Angela Strambi
- Istituto Toscano Tumori (ITT), Core Research Laboratory (CRL), AOU Senese, Siena, Italy
| | - Stefania Staibano
- Dipartimento di Scienze Biomediche Avanzate, Università di Napoli "Federico II", Napoli, Italy
| | - Carlo Maria Croce
- Department of Molecular Virology, Immunology and Medical Genetics, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Mario Chiariello
- Istituto Toscano Tumori (ITT), Core Research Laboratory (CRL), AOU Senese, Siena, Italy.,Istituto di Fisiologia Clinica (IFC), Consiglio Nazionale delle Ricerche (CNR), Siena, Italy
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Samper KG, Marker SC, Bayón P, MacMillan SN, Keresztes I, Palacios Ò, Wilson JJ. Reprint of “Anticancer activity of hydroxy- and sulfonamide-azobenzene platinum(II) complexes in cisplatin-resistant ovarian cancer cells”. J Inorg Biochem 2017; 177:335-343. [DOI: 10.1016/j.jinorgbio.2017.07.035] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 05/13/2017] [Accepted: 06/12/2017] [Indexed: 11/28/2022]
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Abstract
We report the first electrochemical cisplatin sensor fabricated with a thiolated and methylene blue (MB)-modified oligo-adenine (A)-guanine (G) DNA probe. Depending on the probe coverage, the sensor can behave as a signal-off or signal-on sensor. For the high-coverage sensor, formation of intrastrand Pt(II)-AG adducts rigidifies the oligo-AG probe, resulting in a concentration-dependent decrease in the MB signal. For the low-coverage sensor, the increase in probe-to-probe spacing enables binding of cisplatin via the intrastrand GNG motif (N = A), generating a bend in the probe which results in an increase in the MB current. Although both high-coverage signal-off and low-coverage signal-on sensors are capable of detecting cisplatin, the signal-on sensing mechanism is better suited for real time analysis of cisplatin. The low-coverage sensor has a lower limit of detection, wider optimal AC frequency range, and faster response time. It has high specificity for cisplatin and potentially other Pt(II) drugs and does not cross-react with satraplatin, a Pt(IV) prodrug. It is also selective enough to be employed directly in 50% saliva and 50% urine. This detection strategy may offer a new approach for sensitive and real time analysis of cisplatin in clinical samples.
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Affiliation(s)
- Yao Wu
- Department of Chemistry, University of Nebraska-Lincoln , Lincoln, Nebraska 68588-0304, United States
| | - Rebecca Y Lai
- Department of Chemistry, University of Nebraska-Lincoln , Lincoln, Nebraska 68588-0304, United States
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30
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Tang N, Lyu D, Zhang Y, Liu H. Association between the ERCC1 polymorphism and platinum-based chemotherapy effectiveness in ovarian cancer: a meta-analysis. BMC WOMENS HEALTH 2017. [PMID: 28623887 PMCID: PMC5474010 DOI: 10.1186/s12905-017-0393-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Background Ovarian cancer is a prominent public health problem which affects people all around the world. Platinum-based chemotherapy is a common treatment for ovarian cancer, however, the effectiveness of chemotherapy varies from patient to patient. The excision repair cross complementation group 1 (ERCC1) protein may mediate chemotherapy resistance. A meta-analysis was conducted to explore whether platinum-based chemotherapy effectiveness could be attributed to the ERCC1 C19007T polymorphisms. Methods Seven major databases (EMBASE, Web of Science, Pubmed, Springer Link, Chinese National Knowledge Infrastructure (CNKI), EBSCO and Science Direct databases) were searched for eligible studies. Crude odds ratios (ORs) with 95% confidence intervals (CIs) were calculated to evaluate the results. Results In this meta-analysis, 1169 subjects (425 non-responders and 744 responders) from 8 studies were included. The overall OR (C vs. T alleles) using random model was 1.07 (95% CI 0.75-1.52, P = 0.7), which was not statistically significant. Moreover, there was no significant difference in the analysis by race. Conclusion There is no association between the ERCC1 C19007T polymorphism and platinum-based chemotherapy effectiveness in ovarian cancer. The polymorphism did not have a significant impact on platinum-based chemotherapy in non-responders and responders.
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Affiliation(s)
- Ning Tang
- Reproductive Medicine Center, Jinan Military General Hospital, 25 Shifan Road, Tianqiao District, Jinan, Shandong Province, 250031, China
| | - Dan Lyu
- Department of Pain, Tianjin First Center Hospital, Nankai District, Tianjin, 300192, China
| | - Yan Zhang
- Reproductive Medicine Center, Jinan Military General Hospital, 25 Shifan Road, Tianqiao District, Jinan, Shandong Province, 250031, China
| | - Haiping Liu
- Reproductive Medicine Center, Jinan Military General Hospital, 25 Shifan Road, Tianqiao District, Jinan, Shandong Province, 250031, China.
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31
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Samper KG, Marker SC, Bayón P, MacMillan SN, Keresztes I, Palacios Ò, Wilson JJ. Anticancer activity of hydroxy- and sulfonamide-azobenzene platinum(II) complexes in cisplatin-resistant ovarian cancer cells. J Inorg Biochem 2017. [PMID: 28651169 DOI: 10.1016/j.jinorgbio.2017.06.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The syntheses of three platinum(II) complexes bearing sulfonamide- ( (E)-2-(4-methylphenylsulfonamido)-2',6'-difluoroazobenzene, HL1) and hydroxy-azo-2,6-difluorobenzene ((E)-2-((2,6-difluorophenyl)diazenyl)phenol, HL2) bidentate ligands is described. These complexes, [Pt(L1)(DMSO)Cl] (1), [Pt(L2)(DMSO)Cl] (2), and [Pt(L2)2] (3), were characterized by multinuclear NMR spectroscopy, mass spectrometry, and X-ray crystallography. Despite bearing azobenzene functional groups, none of the three complexes undergo photoisomerization. The anticancer activities of these complexes were evaluated in wild-type (A2780) and cisplatin-resistant (A2780CP70) ovarian cancer cells. All three complexes exhibited IC50 values below 10μM and displayed similar activity in both A2780 and A2780CP70 cell lines, indicating that they are not cross-resistant with cisplatin. The DNA-binding properties of 1-3 were investigated by circular dichroism spectroscopy and by agarose gel electrophoresis. Both studies suggest that 1 and 2 form monofunctional DNA adducts.
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Affiliation(s)
- Katia G Samper
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, United States; Departament de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, E-08193 Barcelona, Spain
| | - Sierra C Marker
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, United States
| | - Pau Bayón
- Departament de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, E-08193 Barcelona, Spain
| | - Samantha N MacMillan
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, United States
| | - Ivan Keresztes
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, United States
| | - Òscar Palacios
- Departament de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, E-08193 Barcelona, Spain.
| | - Justin J Wilson
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, United States.
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Rudolph C, Melau C, Nielsen JE, Vile Jensen K, Liu D, Pena-Diaz J, Rajpert-De Meyts E, Rasmussen LJ, Jørgensen A. Involvement of the DNA mismatch repair system in cisplatin sensitivity of testicular germ cell tumours. Cell Oncol (Dordr) 2017; 40:341-355. [PMID: 28536927 DOI: 10.1007/s13402-017-0326-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2017] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Testicular germ cell tumours (TGCT) are highly sensitive to cisplatin-based chemotherapy, but patients with tumours containing differentiated teratoma components are less responsive to this treatment. The cisplatin sensitivity in TGCT has previously been linked to the embryonic phenotype in the majority of tumours, although the underlying mechanism largely remains to be elucidated. The aim of this study was to investigate the role of the DNA mismatch repair (MMR) system in the cisplatin sensitivity of TGCT. METHODS The expression pattern of key MMR proteins, including MSH2, MSH6, MLH1 and PMS2, were investigated during testis development and in the pathogenesis of TGCT, including germ cell neoplasia in situ (GCNIS). The TGCT-derived cell line NTera2 was differentiated using retinoic acid (10 μM, 6 days) after which MMR protein expression and activity, as well as cisplatin sensitivity, were investigated in both undifferentiated and differentiated cells. Finally, the expression of MSH2 was knocked down by siRNA in NTera2 cells after which the effect on cisplatin sensitivity was examined. RESULTS MMR proteins were expressed in proliferating cells in the testes, while in malignant germ cells MMR protein expression was found to coincide with the expression of the pluripotency factor OCT4, with no or low expression in the more differentiated yolk sac tumours, choriocarcinomas and teratomas. In differentiated NTera2 cells we found a significantly (p < 0.05) lower expression of the MMR and pluripotency factors, as well as a reduced MMR activity and cisplatin sensitivity, compared to undifferentiated NTera2 cells. Also, we found that partial knockdown of MSH2 expression in undifferentiated NTera2 cells resulted in a significantly (p < 0.001) reduced cisplatin sensitivity. CONCLUSION This study reports, for the first time, expression of the MMR system in fetal gonocytes, from which GCNIS cells are derived. Our findings in primary TGCT specimens and TGCT-derived cells suggest that a reduced sensitivity to cisplatin in differentiated TGCT components could result from a reduced expression of MMR proteins, in particular MSH2 and MLH1, which are involved in the recognition of cisplatin adducts and in activation of the DNA damage response pathway to initiate apoptosis.
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Affiliation(s)
- Christiane Rudolph
- University Department of Growth and Reproduction (Rigshospitalet), Blegdamsvej 9, 2100, Copenhagen, Denmark.,Department of Cellular and Molecular Medicine, Center for Healthy Aging, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen, Denmark
| | - Cecilie Melau
- University Department of Growth and Reproduction (Rigshospitalet), Blegdamsvej 9, 2100, Copenhagen, Denmark
| | - John E Nielsen
- University Department of Growth and Reproduction (Rigshospitalet), Blegdamsvej 9, 2100, Copenhagen, Denmark
| | - Kristina Vile Jensen
- University Department of Growth and Reproduction (Rigshospitalet), Blegdamsvej 9, 2100, Copenhagen, Denmark.,Department of Cellular and Molecular Medicine, Center for Healthy Aging, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen, Denmark
| | - Dekang Liu
- Department of Cellular and Molecular Medicine, Center for Healthy Aging, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen, Denmark
| | - Javier Pena-Diaz
- Department of Cellular and Molecular Medicine, Center for Healthy Aging, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen, Denmark
| | - Ewa Rajpert-De Meyts
- University Department of Growth and Reproduction (Rigshospitalet), Blegdamsvej 9, 2100, Copenhagen, Denmark
| | - Lene Juel Rasmussen
- Department of Cellular and Molecular Medicine, Center for Healthy Aging, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen, Denmark
| | - Anne Jørgensen
- University Department of Growth and Reproduction (Rigshospitalet), Blegdamsvej 9, 2100, Copenhagen, Denmark.
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He L, Luo L, Zhu H, Yang H, Zhang Y, Wu H, Sun H, Jiang F, Kathera CS, Liu L, Zhuang Z, Chen H, Pan F, Hu Z, Zhang J, Guo Z. FEN1 promotes tumor progression and confers cisplatin resistance in non-small-cell lung cancer. Mol Oncol 2017; 11:640-654. [PMID: 28371273 PMCID: PMC5467497 DOI: 10.1002/1878-0261.12058] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 03/17/2017] [Accepted: 03/17/2017] [Indexed: 02/06/2023] Open
Abstract
Lung cancer is one of the leading causes of cancer mortality worldwide. The therapeutic effect of chemotherapy is limited due to the resistance of cancer cells, which remains a challenge in cancer therapeutics. In this work, we found that flap endonuclease 1 (FEN1) is overexpressed in lung cancer cells. FEN1 is a major component of the base excision repair pathway for DNA repair systems and plays important roles in maintaining genomic stability through DNA replication and repair. We showed that FEN1 is critical for the rapid proliferation of lung cancer cells. Suppression of FEN1 resulted in decreased DNA replication and accumulation of DNA damage, which subsequently induced apoptosis. Manipulating the amount of FEN1 altered the response of lung cancer cells to chemotherapeutic drugs. A small‐molecule inhibitor (C20) was used to target FEN1 and this enhanced the therapeutic effect of cisplatin. The FEN1 inhibitor significantly suppressed cell proliferation and induced DNA damage in lung cancer cells. In mouse models, the FEN1 inhibitor sensitized lung cancer cells to a DNA damage‐inducing agent and efficiently suppressed cancer progression in combination with cisplatin treatment. Our study suggests that targeting FEN1 may be a novel and efficient strategy for a tumor‐targeting therapy for lung cancer.
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Affiliation(s)
- Lingfeng He
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, China
| | - Libo Luo
- Changzhou No. 7 People's Hospital, China
| | - Hong Zhu
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, China
| | - Huan Yang
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, China
| | - Yilan Zhang
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, China
| | - Huan Wu
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, China
| | - Hongfang Sun
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, China
| | - Feng Jiang
- Department of Thoracic Surgery, Jiangsu Cancer Hospital, Affiliated Cancer Hospital of Nanjing Medical University, China
| | - Chandra S Kathera
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, China
| | - Lingjie Liu
- Southern University of Science and Technology of China, Shenzhen, China
| | - Ziheng Zhuang
- Changzhou No. 7 People's Hospital, China.,School of Pharmaceutical Engineering and Life Sciences, Changzhou University, China
| | - Haoyan Chen
- Division of Gastroenterology and Hepatology, RenJi Hospital, School of Medicine, Shanghai Jiao Tong University, China
| | - Feiyan Pan
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, China
| | - Zhigang Hu
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, China
| | - Jing Zhang
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, China
| | - Zhigang Guo
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, China
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Repair shielding of platinum-DNA lesions in testicular germ cell tumors by high-mobility group box protein 4 imparts cisplatin hypersensitivity. Proc Natl Acad Sci U S A 2017; 114:950-955. [PMID: 28096358 DOI: 10.1073/pnas.1615327114] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Cisplatin is the most commonly used anticancer drug for the treatment of testicular germ cell tumors (TGCTs). The hypersensitivity of TGCTs to cisplatin is a subject of widespread interest. Here, we show that high-mobility group box protein 4 (HMGB4), a protein preferentially expressed in testes, uniquely blocks excision repair of cisplatin-DNA adducts, 1,2-intrastrand cross-links, to potentiate the sensitivity of TGCTs to cisplatin therapy. We used CRISPR/Cas9-mediated gene editing to knockout the HMGB4 gene in a testicular human embryonic carcinoma and examined cellular responses. We find that loss of HMGB4 elicits resistance to cisplatin as evidenced by cell proliferation and apoptosis assays. We demonstrate that HMGB4 specifically inhibits repair of the major cisplatin-DNA adducts in TGCT cells by using the human TGCT excision repair system. Our findings also reveal characteristic HMGB4-dependent differences in cell cycle progression following cisplatin treatment. Collectively, these data provide convincing evidence that HMGB4 plays a major role in sensitizing TGCTs to cisplatin, consistent with shielding of platinum-DNA adducts from excision repair.
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35
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Bilen MA, Hess KR, Campbell MT, Wang J, Broaddus RR, Karam JA, Ward JF, Wood CG, Choi SL, Rao P, Zhang M, Naing A, General R, Cauley DH, Lin SH, Logothetis CJ, Pisters LL, Tu SM. Intratumoral heterogeneity and chemoresistance in nonseminomatous germ cell tumor of the testis. Oncotarget 2016; 7:86280-86289. [PMID: 27861143 PMCID: PMC5349913 DOI: 10.18632/oncotarget.13380] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 11/07/2016] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Nonseminomatous germ cell tumor of the testis (NSGCT) is largely curable. However, a small group of patients develop refractory disease. We investigated the hypothesis that intratumoral heterogeneity contributes to the emergence of chemoresistance and the development of refractory tumor subtypes. RESULTS Our institution's records for January 2000 through December 2010 included 275 patients whose primary tumor showed pure embryonal carcinoma (pure E); mixed embryonal carcinoma, yolk sac tumor, and teratoma (EYT); or mixed embryonal carcinoma, yolk sac tumor, seminoma, and teratoma (EYST). Patients with EYST had the highest cancer-specific mortality rate (P = .001). They tended to undergo somatic transformation (P = .0007). Two of 5 patients with clinical stage I EYST who had developed recurrence during active surveillance died of their disease. MATERIALS AND METHODS In this retrospective study, we evaluated consecutive patients who had been diagnosed with the three most common histological phenotypes of NSGCT. Chemoresistance was defined as the presence of teratoma, viable germ cell tumor, or somatic transformation in the residual tumor or the development of progressive or relapsed disease after chemotherapy. In a separate prospective study, we performed next-generation sequencing on tumor samples from 39 patients to identify any actionable genetic mutations. CONCLUSIONS Our data suggest that patients with EYST in their primary tumor may harbor a potentially refractory NSGCT phenotype and are at increased risk of dying from disease. Despite intratumoral heterogeneity, improved patient selection and personalized care of distinct tumor subtypes may optimize the clinical outcome of patients with NSGCT.
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Affiliation(s)
- Mehmet Asim Bilen
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Kenneth R. Hess
- Department of Biostatistics the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Matthew T. Campbell
- Department of Genitourinary Medical Oncology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Jennifer Wang
- Department of Genitourinary Medical Oncology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Russell R. Broaddus
- Department of Pathology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Jose A. Karam
- Department of Urology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - John F. Ward
- Department of Urology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Christopher G. Wood
- Department of Urology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Seungtaek L. Choi
- Department of Radiation Oncology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Priya Rao
- Department of Pathology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Miao Zhang
- Department of Pathology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Aung Naing
- Department of Investigational Cancer Therapeutics the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Rosale General
- Department of Genitourinary Medical Oncology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Diana H. Cauley
- Department of Genitourinary Medical Oncology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Sue-Hwa Lin
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Christopher J. Logothetis
- Department of Genitourinary Medical Oncology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Louis L. Pisters
- Department of Urology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Shi-Ming Tu
- Department of Genitourinary Medical Oncology the University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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Savage P. Chemotherapy curable malignancies and cancer stem cells: a biological review and hypothesis. BMC Cancer 2016; 16:906. [PMID: 27871274 PMCID: PMC5117562 DOI: 10.1186/s12885-016-2956-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 11/15/2016] [Indexed: 12/14/2022] Open
Abstract
Background Cytotoxic chemotherapy brings routine cures to only a small select group of metastatic malignancies comprising gestational trophoblast tumours, germ cell tumours, acute leukemia, Hodgkin’s disease, high grade lymphomas and some of the rare childhood malignancies. We have previously postulated that the extreme sensitivity to chemotherapy for these malignancies is linked to the on-going high levels of apoptotic sensitivity that is naturally linked with the unique genetic events of nuclear fusion, meiosis, VDJ recombination, somatic hypermutation, and gastrulation that have occurred within the cells of origin of these malignancies. In this review we will examine the cancer stem cell/cancer cell relationship of each of the chemotherapy curable malignancies and how this relationship impacts on the resultant biology and pro-apoptotic sensitivity of the varying cancer cell types. Discussion In contrast to the common epithelial cancers, in each of the chemotherapy curable malignancies there are no conventional hierarchical cancer stem cells. However cells with cancer stem like qualities can arise stochastically from within the general tumour cell population. These stochastic stem cells acquire a degree of resistance to DNA damaging agents but also retain much of the key characteristics of the cancer cells from which they develop. We would argue that the balance between the acquired resistance of the stochastic cancer stem cell and the inherent chemotherapy sensitivity of parent tumour cell determines the overall chemotherapy curability of each diagnosis. Summary The cancer stem cells in the chemotherapy curable malignancies appear to have two key biological differences from those of the more common chemotherapy incurable malignancies. The first difference is that the conventional hierarchical pattern of cancer stem cells is absent in each of the chemotherapy curable malignancies. The other key difference, we suggest, is that the stochastic stem cells in the chemotherapy curable malignancies take on a significant aspect of the biological characteristics of their parent cancer cells. This action includes for the chemotherapy curable malignancies the heightened pro-apoptotic sensitivity linked to their respective associated unique genetic events. For the chemotherapy curable malignancies the combination of the relationship of their cancer stem cells combined with the extreme inherent sensitivity to induction of apoptosis from DNA damaging agents plays a key role in determining their overall curability with chemotherapy.
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A Statistical Approach to Determine the Optimal Duration of Post-Treatment Follow-Up: Application to Metastatic Nonseminomatous Germ Cell Tumors. Clin Genitourin Cancer 2016; 15:230-236. [PMID: 27594552 DOI: 10.1016/j.clgc.2016.07.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 07/18/2016] [Accepted: 07/30/2016] [Indexed: 11/20/2022]
Abstract
BACKGROUND The objective of this study was to present a statistical method to define an optimal duration of follow-up for patients in remission after treatment for cancer, for detection of recurrences. PATIENTS AND METHODS Surveillance duration was estimated using the 2-step approach proposed by Mould et al. Relapse-free interval was modeled using the parametric cure model proposed by Boag. The optimal length of follow-up was then estimated as the minimal elapsed time after which the probability of a patient to relapse and to be cured with success is below a given threshold value. The method is applied to 2 real data sets of patients treated for metastatic non seminomatous germ-cell tumors: T93BP and T93MP. RESULTS For the T93BP, cure rate was estimated at 91.3% and proportions of patients who relapsed after 3 and 5 years were estimated at 0.5% and 0.2%. With a probability of success of salvage treatment equal to 80% and 50%, numbers of delayed cases after 5 years were 2 and 1. For T93MP, the proportion of patients who presented relapse after 5 and 10 years were estimated at 5.2% and 2.6%. Considering a probability of salvage treatment equal to 20%, the number of delayed cases after 5 and 10 years were 10 and 5. CONCLUSION Using this methodology, duration of post-therapeutic follow-up might be tailored according to an objective criteria: the number of patients who present relapse after the end of follow-up and who could have been treated with success in case of early detection.
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38
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Koren E, Fuchs Y. The bad seed: Cancer stem cells in tumor development and resistance. Drug Resist Updat 2016; 28:1-12. [DOI: 10.1016/j.drup.2016.06.006] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 06/11/2016] [Accepted: 06/19/2016] [Indexed: 12/17/2022]
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Martinelli CMDS, Lengert AVH, Cárcano FM, Silva ECA, Brait M, Lopes LF, Vidal DO. MGMT and CALCA promoter methylation are associated with poor prognosis in testicular germ cell tumor patients. Oncotarget 2016; 8:50608-50617. [PMID: 28881587 PMCID: PMC5584175 DOI: 10.18632/oncotarget.11167] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Accepted: 07/26/2016] [Indexed: 02/05/2023] Open
Abstract
Testicular germ cell tumors (TGCT) represent the second main cause of cancer-related death in young men. Despite high cure rates, refractory disease results in poor prognosis. Epigenetic reprogramming occurs during the development of seminomas and non-seminomas. Understanding the molecular and genetic basis of these tumors would represent an important advance in the search for new TGCT molecular markers. Hence the frequency of methylation of a gene panel (VGF, MGMT, ADAMTS1, CALCA, HOXA9, CDKN2B, CDO1 and NANOG) was evaluated in 72 primary TGCT by quantitative methylation specific PCR. A high frequency of MGMT (90.9%, 20/22; p=0.019) and CALCA (90.5%, 19/21; p<0.026) methylation was associated with non-seminomatous tumors while CALCA methylation was also associated with refractory disease (47.4%, 09/19; p=0.005). Moreover, promoter methylation of both genes predicts poor clinical outcome for TGCT patients (5-year EFS: 50.5% vs 77.1%; p=0.032 for MGMT and 51.3% vs 77.0%; p=0.029 for CALCA). The findings of this study indicate that methylation of MGMT and CALCA are frequent and could be used as new molecular markers of prognosis in TGCT.
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Affiliation(s)
- Camila Maria da Silva Martinelli
- Pediatric Oncology Laboratory, Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos, SP, Brazil.,Brazilian Childhood Germ Cell Tumor Study Group, Brazilian Pediatric Oncology Society, São Paulo, SP, Brazil
| | - André van Helvoort Lengert
- Pediatric Oncology Laboratory, Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos, SP, Brazil.,Brazilian Childhood Germ Cell Tumor Study Group, Brazilian Pediatric Oncology Society, São Paulo, SP, Brazil
| | - Flavio Mavignier Cárcano
- Department of Clinical Oncology, Barretos Cancer Hospital, Barretos, SP, Brazil.,Barretos School of Health Sciences, Dr. Paulo Prata/FACISB, Barretos, SP, Brazil.,Brazilian Childhood Germ Cell Tumor Study Group, Brazilian Pediatric Oncology Society, São Paulo, SP, Brazil
| | - Eduardo Caetano Albino Silva
- Department of Pathology, Barretos Cancer Hospital, Barretos, SP, Brazil.,Brazilian Childhood Germ Cell Tumor Study Group, Brazilian Pediatric Oncology Society, São Paulo, SP, Brazil
| | - Mariana Brait
- Department of Otolaryngology and Head & Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Luiz Fernando Lopes
- Barretos School of Health Sciences, Dr. Paulo Prata/FACISB, Barretos, SP, Brazil.,Barretos Children's Cancer Hospital, Barretos, SP, Brazil.,Brazilian Childhood Germ Cell Tumor Study Group, Brazilian Pediatric Oncology Society, São Paulo, SP, Brazil
| | - Daniel Onofre Vidal
- Pediatric Oncology Laboratory, Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos, SP, Brazil.,Barretos Children's Cancer Hospital, Barretos, SP, Brazil.,Brazilian Childhood Germ Cell Tumor Study Group, Brazilian Pediatric Oncology Society, São Paulo, SP, Brazil
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40
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Lu C, Riedell P, Miller CA, Hagemann IS, Westervelt P, Ozenberger BA, O'Laughlin M, Magrini V, Demeter RT, Duncavage EJ, Griffith M, Griffith OL, Wartman LD. A common founding clone with TP53 and PTEN mutations gives rise to a concurrent germ cell tumor and acute megakaryoblastic leukemia. Cold Spring Harb Mol Case Stud 2016; 2:a000687. [PMID: 27148581 PMCID: PMC4849848 DOI: 10.1101/mcs.a000687] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
We report the findings from a patient who presented with a concurrent mediastinal germ cell tumor (GCT) and acute myeloid leukemia (AML). Bone marrow pathology was consistent with a diagnosis of acute megakaryoblastic leukemia (AML M7), and biopsy of an anterior mediastinal mass was consistent with a nonseminomatous GCT. Prior studies have described associations between hematological malignancies, including AML M7 and nonseminomatous GCTs, and it was recently suggested that a common founding clone initiated both cancers. We performed enhanced exome sequencing on the GCT and the AML M7 from our patient to define the clonal relationship between the two cancers. We found that both samples contained somatic mutations in PTEN (C136R missense) and TP53 (R213 frameshift). The mutations in PTEN and TP53 were present at ∼100% variant allele frequency (VAF) in both tumors. In addition, we detected and validated five other shared somatic mutations. The copy-number analysis of the AML exome data revealed an amplification of Chromosome 12p. We also identified a heterozygous germline variant in FANCA (S858R), which is known to be associated with Fanconi anemia but is of uncertain significance here. In summary, our data not only support a common founding clone for these cancers but also suggest that a specific set of distinct genomic alterations (in PTEN and TP53) underlies the rare association between GCT and AML. This association is likely linked to the treatment resistance and extremely poor outcome of these patients. We cannot resolve the clonal evolution of these tumors given limitations of our data.
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Affiliation(s)
- Charles Lu
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Peter Riedell
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Christopher A Miller
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, Missouri 63110, USA;; Division of Genomics and Bioinformatics, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Ian S Hagemann
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Peter Westervelt
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Bradley A Ozenberger
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Michelle O'Laughlin
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Vincent Magrini
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Ryan T Demeter
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Eric J Duncavage
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Malachi Griffith
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Obi L Griffith
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, Missouri 63110, USA;; Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Lukas D Wartman
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, Missouri 63110, USA;; Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA
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41
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Tu SM, Bilen MA, Hess KR, Broaddus RR, Kopetz S, Wei C, Pagliaro LC, Karam JA, Ward JF, Wood CG, Rao P, Tu ZH, General R, Chen AH, Nieto YL, Yeung SCJ, Lin SH, Logothetis CJ, Pisters LL. Intratumoral heterogeneity: Role of differentiation in a potentially lethal phenotype of testicular cancer. Cancer 2016; 122:1836-43. [PMID: 27018785 PMCID: PMC5071733 DOI: 10.1002/cncr.29996] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Revised: 11/27/2015] [Accepted: 12/14/2015] [Indexed: 01/17/2023]
Abstract
BACKGROUND Intratumoral heterogeneity presents a major obstacle to the widespread implementation of precision medicine. The authors assessed the origin of intratumoral heterogeneity in nonseminomatous germ cell tumor of the testis (NSGCT) and identified distinct tumor subtypes and a potentially lethal phenotype. METHODS In this retrospective study, all consecutive patients who had been diagnosed with an NSGCT between January 2000 and December 2010 were evaluated. The histologic makeup of primary tumors and the clinical course of disease were determined for each patient. A Fine and Gray proportional hazards regression analysis was used to determine the prognostic risk factors, and the Gray test was used to detect differences in the cumulative incidence of cancer death. In a separate prospective study, next‐generation sequencing was performed on tumor samples from 9 patients to identify any actionable mutations. RESULTS Six hundred fifteen patients were included in this study. Multivariate analysis revealed that the presence of yolk sac tumor in the primary tumor (P = .0003) was associated with an unfavorable prognosis. NSGCT could be divided into 5 subgroups. Patients in the yolk sac‐seminoma subgroup had the poorest clinical outcome (P = .0015). These tumors tended to undergo somatic transformation (P < .0001). Among the 9 NSGCTs that had a yolk sac tumor phenotype, no consistent gene mutation was detected. CONCLUSIONS The current data suggest that intratumoral heterogeneity is caused in part by differentiation of pluripotent progenitor cells. Integrated or multimodal therapy may be effective at addressing intratumoral heterogeneity and treating distinct subtypes as well as a potentially lethal phenotype of NSGCT. Cancer 2016;122:1836–43. © 2016 The Authors. Cancer published by Wiley Periodicals, Inc. on behalf of American Cancer Society. This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes. Whether intratumoral heterogeneity is derived from differentiation of aberrant progenitor cells or from mutation of driver genes is investigated in a relevant clinical model, and the results suggest that intratumoral heterogeneity is caused in part by differentiation of pluripotent progenitor cells. Integrated or multimodal therapy may be effective at addressing intratumoral heterogeneity and treating distinct tumor subtypes as well as potentially lethal tumor phenotypes; this finding has profound clinical implications regarding the origin of intratumoral heterogeneity and the implementation of precision medicine in testicular cancer and other solid tumors.
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Affiliation(s)
- Shi-Ming Tu
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Mehmet Asim Bilen
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Kenneth R Hess
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Russell R Broaddus
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Scott Kopetz
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Chongjuan Wei
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Lance C Pagliaro
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jose A Karam
- Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - John F Ward
- Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Christopher G Wood
- Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Priya Rao
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Zachary H Tu
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Rosale General
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Adrienne H Chen
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Yago L Nieto
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Sai-Ching J Yeung
- Department of Endocrine Neoplasia and Hormonal Disorders, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Department of Emergency Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Sue-Hwa Lin
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Christopher J Logothetis
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Louis L Pisters
- Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, Texas
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42
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Blatter S, Rottenberg S. Minimal residual disease in cancer therapy--Small things make all the difference. Drug Resist Updat 2015; 21-22:1-10. [PMID: 26307504 DOI: 10.1016/j.drup.2015.08.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 07/25/2015] [Accepted: 08/05/2015] [Indexed: 01/16/2023]
Abstract
Minimal residual disease (MRD) is a major hurdle in the eradication of malignant tumors. Despite the high sensitivity of various cancers to treatment, some residual cancer cells persist and lead to tumor recurrence and treatment failure. Obvious reasons for residual disease include mechanisms of secondary therapy resistance, such as the presence of mutant cells that are insensitive to the drugs, or the presence of cells that become drug resistant due to activation of survival pathways. In addition to such unambiguous resistance modalities, several patients with relapsing tumors do not show refractory disease and respond again when the initial therapy is repeated. These cases cannot be explained by the selection of mutant tumor cells, and the precise mechanisms underlying this clinical drug resistance are ill-defined. In the current review, we put special emphasis on cell-intrinsic and -extrinsic mechanisms that may explain mechanisms of MRD that are independent of secondary therapy resistance. In particular, we show that studying genetically engineered mouse models (GEMMs), which highly resemble the disease in humans, provides a complementary approach to understand MRD. In these animal models, specific mechanisms of secondary resistance can be excluded by targeted genetic modifications. This allows a clear distinction between the selection of cells with stable secondary resistance and mechanisms that result in the survival of residual cells but do not provoke secondary drug resistance. Mechanisms that may explain the latter feature include special biochemical defense properties of cancer stem cells, metabolic peculiarities such as the dependence on autophagy, drug-tolerant persisting cells, intratumoral heterogeneity, secreted factors from the microenvironment, tumor vascularization patterns and immunosurveillance-related factors. We propose in the current review that a common feature of these various mechanisms is cancer cell dormancy. Therefore, dormant cancer cells appear to be an important target in the attempt to eradicate residual cancer cells, and eventually cure patients who repeatedly respond to anticancer therapy but lack complete tumor eradication.
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Affiliation(s)
- Sohvi Blatter
- Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, Laengassstrasse 122, 3012 Bern, Switzerland
| | - Sven Rottenberg
- Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, Laengassstrasse 122, 3012 Bern, Switzerland; Division of Molecular Pathology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX Amsterdam, The Netherlands.
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43
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Subbiah V, Bupathi M, Kato S, Livingston A, Slopis J, Anderson PM, Hong DS. Clinical next-generation sequencing reveals aggressive cancer biology in adolescent and young adult patients. Oncoscience 2015; 2:646-58. [PMID: 26328274 PMCID: PMC4549362 DOI: 10.18632/oncoscience.176] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 07/01/2015] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The aggressive biology of cancers arising in adolescent and young adult (AYA; ages 15-39 years) patients is thought to contribute to poor survival outcomes. METHODS We used clinical next-generation sequencing (NGS) results to examine the molecular alterations and diverse biology of cancer in AYA patients referred to the Phase 1 program at UT MD Anderson Cancer Center. RESULTS Among the 28 patients analyzed (14 female and 14 male), 12 had pediatric-type cancers, six had adult-type cancers, and ten had orphan cancers. Unique, hitherto unreported aberrations were identified in all types of cancers. Aberrations in TP53, NKX2-1, KRAS, CDKN2A, MDM4, MCL1, MYC, BCL2L2, and RB1 were demonstrated across all tumor types. Five patients harbored TP53 aberrations; three patients harbored MYC, MCL1, and CDKN2A aberrations; and two patients harbored NKX2-1, KRAS, MDM4, BCL2L2, and RB1 alterations. Several patients had multiple aberrations; a patient with wild-type gastrointestinal stromal tumor harbored five alterations (MDM4, MCL1, KIT, AKT3, and PDGRFA). CONCLUSIONS This preliminary report of NGS of cancer in AYA patients reveals diverse and unique aberrations. Further molecular profiling and a deeper understanding of the biology of these unique aberrations are warranted and may lead to targeted therapeutic interventions.
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Affiliation(s)
- Vivek Subbiah
- Department of Phase I Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Manojkumar Bupathi
- Department of Phase I Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Shumei Kato
- Department of Phase I Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Andrew Livingston
- Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - John Slopis
- Department of Neuro-oncology, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Pete M. Anderson
- Pediatric Hematology Oncology and Blood and Marrow Transplantation, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - David S. Hong
- Department of Phase I Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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44
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Zhou Z, Hu Y, Shan X, Li W, Bai X, Wang P, Lu X. Revealing Three Stages of DNA-Cisplatin Reaction by a Solid-State Nanopore. Sci Rep 2015; 5:11868. [PMID: 26148968 PMCID: PMC4493569 DOI: 10.1038/srep11868] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Accepted: 06/09/2015] [Indexed: 12/22/2022] Open
Abstract
The dynamic structural behavior in DNA due to interaction with cisplatin is essential for the functionality of platinum-based anti-cancer drugs. Here we report a novel method to monitor the interaction progress in DNA-cisplatin reaction in real time with a solid-state nanopore. The interaction processes are found to be well elucidated by the evolution of the capture rate of DNA-cisplatin complex, which is defined as the number of their translocation events through the nanopore in unit time. In the first stage, the capture rate decreases rapidly due to DNA discharging as the positive-charged hydrated cisplatin molecules initially bond to the negative-charged DNA and form mono-adducts. In the second stage, by forming di-adducts, the capture rate increases as DNA molecules are softened, appears as the reduced persistence length of the DNA-cisplatin adducts. In the third stage, the capture rate decreases again as a result of DNA aggregation. Our study demonstrates a new single-molecule tool in exploring dynamic behaviors during drug-DNA reactions and may have future application in fast drug screening.
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Affiliation(s)
- Zhi Zhou
- Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Ying Hu
- Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Xinyan Shan
- Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Wei Li
- Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Xuedong Bai
- 1] Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China [2] Collaborative Innovation Center of Quantum Matter, Beijing 100190, People's Republic of China
| | - Pengye Wang
- Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Xinghua Lu
- 1] Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China [2] Collaborative Innovation Center of Quantum Matter, Beijing 100190, People's Republic of China
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45
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Tan TZ, Miow QH, Miki Y, Noda T, Mori S, Huang RYJ, Thiery JP. Epithelial-mesenchymal transition spectrum quantification and its efficacy in deciphering survival and drug responses of cancer patients. EMBO Mol Med 2015; 6:1279-93. [PMID: 25214461 PMCID: PMC4287932 DOI: 10.15252/emmm.201404208] [Citation(s) in RCA: 496] [Impact Index Per Article: 55.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Epithelial-mesenchymal transition (EMT) is a reversible and dynamic process hypothesized to be co-opted by carcinoma during invasion and metastasis. Yet, there is still no quantitative measure to assess the interplay between EMT and cancer progression. Here, we derived a method for universal EMT scoring from cancer-specific transcriptomic EMT signatures of ovarian, breast, bladder, lung, colorectal and gastric cancers. We show that EMT scoring exhibits good correlation with previously published, cancer-specific EMT signatures. This universal and quantitative EMT scoring was used to establish an EMT spectrum across various cancers, with good correlation noted between cell lines and tumours. We show correlations between EMT and poorer disease-free survival in ovarian and colorectal, but not breast, carcinomas, despite previous notions. Importantly, we found distinct responses between epithelial- and mesenchymal-like ovarian cancers to therapeutic regimes administered with or without paclitaxelin vivo and demonstrated that mesenchymal-like tumours do not always show resistance to chemotherapy. EMT scoring is thus a promising, versatile tool for the objective and systematic investigation of EMT roles and dynamics in cancer progression, treatment response and survival.
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Affiliation(s)
- Tuan Zea Tan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Qing Hao Miow
- Institute of Molecular and Cell Biology, A*STAR, Singapore
| | - Yoshio Miki
- Cancer Institute of Japanese Foundation for Cancer Research, Kyoto, Japan
| | - Tetsuo Noda
- Cancer Institute of Japanese Foundation for Cancer Research, Kyoto, Japan
| | - Seiichi Mori
- Cancer Institute of Japanese Foundation for Cancer Research, Kyoto, Japan
| | - Ruby Yun-Ju Huang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore Department of Obstetrics and Gynaecology, National University Health System, Singapore
| | - Jean Paul Thiery
- Cancer Science Institute of Singapore, National University of Singapore, Singapore Institute of Molecular and Cell Biology, A*STAR, Singapore Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
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46
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Kita H, Okamoto K, Kushima R, Kawauchi A, Chano T. Dimethyl sulfoxide induces chemotherapeutic resistance in the treatment of testicular embryonal carcinomas. Oncol Lett 2015; 10:661-666. [PMID: 26622550 DOI: 10.3892/ol.2015.3306] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 04/21/2015] [Indexed: 12/31/2022] Open
Abstract
Dimethyl sulfoxide (DMSO) is an amphipathic molecule that is used as a solvent in biological studies and as a vehicle for drug therapy. The present study was designed to evaluate the potential effects of DMSO as a solvent in the treatment of testicular embryonal carcinomas (ECs). DMSO was applied to two human EC cell lines (NEC8 and NEC14), with the treated cells evaluated in relation to cisplatin (CDDP) resistance, differentiation (using Vimentin, Fibronectin, TRA-1-60, and SSEA-1 and -3 as markers) and stemness (denoted by expression of SOX2 and OCT3/4). Furthermore, DNA methyltransferase (DNMT-1, -3A and -3L) expression and methylation status were analyzed. DMSO induced resistance to CDDP, aberrant differentiation and reduction of stemness-related markers in each of the EC cell lines. The expression levels of DNMT-3L and -3A were reduced in response to DMSO, while this treatment also affected DNA methylation. The data demonstrated that DMSO perturbed differentiation, reduced stemness and induced resistance to CDDP in human EC cells. Therefore, DMSO could reduce drug efficacy against EC cells and its use should be carefully managed in the clinical application of chemotherapy.
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Affiliation(s)
- Hiroko Kita
- Department of Clinical Laboratory Medicine, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan ; Department of Urology, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan
| | - Keisei Okamoto
- Department of Urology, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan
| | - Ryoji Kushima
- Department of Clinical Laboratory Medicine, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan
| | - Akihiro Kawauchi
- Department of Urology, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan
| | - Tokuhiro Chano
- Department of Clinical Laboratory Medicine, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan
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47
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Wei F, Cao C, Xu X, Wang J. Diverse functions of miR-373 in cancer. J Transl Med 2015; 13:162. [PMID: 25990556 PMCID: PMC4490662 DOI: 10.1186/s12967-015-0523-z] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Accepted: 05/06/2015] [Indexed: 12/19/2022] Open
Abstract
MicroRNAs (miRNAs) are small noncoding RNAs that regulate gene expression post-transcriptionally. They are involved in almost all cellular processes, and many have been described as potential oncogenes or tumor suppressors. MicroRNA-373 (miR-373), which was first identified as a human embryonic stem cell (ESC)-specific miRNA, is suggested to be implicated in the regulation of cell proliferation, apoptosis, senescence, migration and invasion, as well as DNA damage repair following hypoxia stress. Deregulation of miR-373 has been demonstrated in a number of cancers, whether it acts as an oncogene or a tumor suppressor, however, seems to be context dependent. In this review, we focus on the diverse functions of miR-373 and its implication in cancers.
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Affiliation(s)
- Furong Wei
- Institute of Basic Medicine, Shandong Academy of Medical Sciences, School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, 18877 Jingshi Road, 250062, Jinan, Shandong, People's Republic of China.
| | - Chuanhua Cao
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China.
| | - Xiaoqun Xu
- Institute of Basic Medicine, Shandong Academy of Medical Sciences, School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, 18877 Jingshi Road, 250062, Jinan, Shandong, People's Republic of China.
| | - Junfu Wang
- Institute of Basic Medicine, Shandong Academy of Medical Sciences, School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, 18877 Jingshi Road, 250062, Jinan, Shandong, People's Republic of China.
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48
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Miow QH, Tan TZ, Ye J, Lau JA, Yokomizo T, Thiery JP, Mori S. Epithelial-mesenchymal status renders differential responses to cisplatin in ovarian cancer. Oncogene 2015. [PMID: 24858042 DOI: 10.1038/onc.2014.136] [] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Chemoresistance to platinums, such as cisplatin, is of critical concern in the treatment of ovarian cancer. Recent evidence has linked epithelial-mesenchymal transition (EMT) as a contributing mechanism. The current study explored the connection between cellular responses to cisplatin and EMT in ovarian cancer. Expression microarrays were utilized to estimate the EMT status as a binary phenotype, and the transcriptional responses of 46 ovarian cancer cell lines to cisplatin were measured at dosages equivalent to 50% growth inhibition. Phenotypic responses to cisplatin were quantified with respect to cell number, proliferation rate and apoptosis, and then compared with the epithelial or mesenchymal status. Ovarian cancer cell lines with an epithelial status exhibited higher resistance to cisplatin treatment in the MTS assay than those with a mesenchymal status. Pathway analyses revealed the induction of G1/S- and S-phase genes (P=0.001) and the activation of multiple NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) downstream genes (P=0.0016) by cisplatin selectively in epithelial-like cell lines. BrdU incorporation and Caspase-3/7 release assays confirmed impaired apoptosis in epithelial-like ovarian cancer cells. In clinical samples, we observed resistance to single platinum treatment and the selective activation of the NF-κB pathway by platinum in ovarian cancers with an epithelial status. Overall, our results suggest that, in epithelial-like ovarian cancer cells, NF-κB activation by cisplatin may lead to defective apoptosis, preferential proliferation arrest and a consequential decreased sensitivity to cisplatin.
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Affiliation(s)
- Q H Miow
- 1] Cancer Science Institute of Singapore, National University of Singapore, Singapore [2] NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore
| | - T Z Tan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - J Ye
- Dean's Office, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - J A Lau
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - T Yokomizo
- Division of Cancer Genomics, Cancer Institute of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - J-P Thiery
- 1] Cancer Science Institute of Singapore, National University of Singapore, Singapore [2] Institute of Molecular and Cell Biology, A*STAR, Singapore [3] Department of Biochemistry, National University of Singapore, Singapore
| | - S Mori
- 1] Cancer Science Institute of Singapore, National University of Singapore, Singapore [2] Division of Cancer Genomics, Cancer Institute of Japanese Foundation for Cancer Research, Tokyo, Japan
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49
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Male reproductive cancers and infertility: a mutual relationship. Int J Mol Sci 2015; 16:7230-60. [PMID: 25837470 PMCID: PMC4425014 DOI: 10.3390/ijms16047230] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Revised: 03/29/2015] [Accepted: 03/29/2015] [Indexed: 12/14/2022] Open
Abstract
Reproductive dysfunction and malignancies related to the male gender represent a serious health concern, whose incidence has significantly risen over the past years. Prior to treatment, testicular or prostate cancer patients often display poor semen characteristics similar to subfertile or infertile patients. This fact is underscored by cases where the malignancy is often diagnosed in males who undergo a general fertility screening. This review aims to examine the associations between male infertility and reproductive cancers focusing on common etiologies and biological mechanisms underlining these pathologies. Furthermore, we discuss compelling epidemiological data hypothesizing that male reproductive failure may act as a precursor of future andrological malignancies, including testicular or prostate cancer, thus providing a stimulus for a more specific research in male reproductive health and emphasizing the importance of this relation for physicians taking care of male patients with a reproductive disease.
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50
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Zhang Q, Tian X, Hu G, Shi P, Wu J, Li S, Zhou H, Jin BK, Yang J, Zhang S, Tian Y. Dual-Functional Analogous cis-Platinum Complex with High Antitumor Activities and Two-Photon Bioimaging. Biochemistry 2015; 54:2177-80. [DOI: 10.1021/bi5014062] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Qiong Zhang
- Key
Laboratory of Functional Inorganic Material Chemistry of Anhui Province,
Department of Chemistry, Anhui University, Hefei 230039, P. R. China
| | - Xiaohe Tian
- Department
of Chemistry, The MRC/UCL Centre for Medical Molecular Virology, University College London, London WC1H 0AJ, U.K
| | - Guiju Hu
- Key
Laboratory of Functional Inorganic Material Chemistry of Anhui Province,
Department of Chemistry, Anhui University, Hefei 230039, P. R. China
| | - Pengfei Shi
- Key
Laboratory of Functional Inorganic Material Chemistry of Anhui Province,
Department of Chemistry, Anhui University, Hefei 230039, P. R. China
| | - Jieying Wu
- Key
Laboratory of Functional Inorganic Material Chemistry of Anhui Province,
Department of Chemistry, Anhui University, Hefei 230039, P. R. China
| | - Shengli Li
- Key
Laboratory of Functional Inorganic Material Chemistry of Anhui Province,
Department of Chemistry, Anhui University, Hefei 230039, P. R. China
| | - Hongping Zhou
- Key
Laboratory of Functional Inorganic Material Chemistry of Anhui Province,
Department of Chemistry, Anhui University, Hefei 230039, P. R. China
| | - Bao-Kang Jin
- Key
Laboratory of Functional Inorganic Material Chemistry of Anhui Province,
Department of Chemistry, Anhui University, Hefei 230039, P. R. China
| | - Jiaxiang Yang
- Key
Laboratory of Functional Inorganic Material Chemistry of Anhui Province,
Department of Chemistry, Anhui University, Hefei 230039, P. R. China
| | - Shengyi Zhang
- Key
Laboratory of Functional Inorganic Material Chemistry of Anhui Province,
Department of Chemistry, Anhui University, Hefei 230039, P. R. China
| | - Yupeng Tian
- Key
Laboratory of Functional Inorganic Material Chemistry of Anhui Province,
Department of Chemistry, Anhui University, Hefei 230039, P. R. China
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