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Ellison V, Polotskaia A, Xiao G, Leybengrub P, Qiu W, Lee R, Hendrickson R, Hu W, Bargonetti J. A CANCER PERSISTENT DNA REPAIR CIRCUIT DRIVEN BY MDM2, MDM4 (MDMX), AND MUTANT P53 FOR RECRUITMENT OF MDC1 AND 53BP1 TO CHROMATIN. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.20.576487. [PMID: 38328189 PMCID: PMC10849484 DOI: 10.1101/2024.01.20.576487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
The influence of the metastasis promoting proteins mutant p53 (mtp53) and MDM2 on Cancer Persistent Repair (CPR) to promote cancer cell survival is understudied. Interactions between the DNA repair choice protein 53BP1 and wild type tumor suppressor protein p53 (wtp53) regulates cell cycle control. Cancer cells often express elevated levels of transcriptionally inactive missense mutant p53 (mtp53) that interacts with MDM2 and MDM4/MDMX (herein called MDMX). The ability of mtp53 to maintain a 53BP1 interaction while in the context of interactions with MDM2 and MDMX has not been described. We asked if MDM2 regulates chromatin-based phosphorylation events in the context of mtp53 by comparing the chromatin of T47D breast cancer cells with and without MDM2 in a phospho-peptide stable isotope labeling in cell culture (SILAC) screen. We found reduced phospho-53BP1 chromatin association, which we confirmed by chromatin fractionation and immunofluorescence in multiple breast cancer cell lines. We used the Proximity Ligation Assay (PLA) in breast cancer cell lines and detected 53BP1 in close proximity to mtp53, MDM2, and the DNA repair protein MDC1. Through disruption of the mtp53-MDM2 interaction, by either Nutlin 3a or a mtp53 R273H C-terminal deletion, we uncovered that mtp53 was required for MDM2-53BP1 interaction foci. Our data suggests that mtp53 works with MDM2 and 53BP1 to promote CPR and cell survival.
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Affiliation(s)
- Viola Ellison
- Hunter College, The Department of Biological Sciences, Belfer Research Building, New York, NY
| | - Alla Polotskaia
- Hunter College, The Department of Biological Sciences, Belfer Research Building, New York, NY
| | - Gu Xiao
- Hunter College, The Department of Biological Sciences, Belfer Research Building, New York, NY
| | - Pamella Leybengrub
- Hunter College, The Department of Biological Sciences, Belfer Research Building, New York, NY
| | - Weigang Qiu
- Hunter College, The Department of Biological Sciences, Belfer Research Building, New York, NY
| | - Rusia Lee
- Hunter College, The Department of Biological Sciences, Belfer Research Building, New York, NY
- The Graduate Center City University of New York, Departments of Biology and Biochemistry, New York, NY
| | | | - Wenwei Hu
- Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, NJ
| | - Jill Bargonetti
- Hunter College, The Department of Biological Sciences, Belfer Research Building, New York, NY
- The Graduate Center City University of New York, Departments of Biology and Biochemistry, New York, NY
- Weill Cornell Medical College, Department of Cell and Developmental Biology, New York, NY
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2
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Zhao M, Wang T, Gleber-Netto FO, Chen Z, McGrail DJ, Gomez JA, Ju W, Gadhikar MA, Ma W, Shen L, Wang Q, Tang X, Pathak S, Raso MG, Burks JK, Lin SY, Wang J, Multani AS, Pickering CR, Chen J, Myers JN, Zhou G. Mutant p53 gains oncogenic functions through a chromosomal instability-induced cytosolic DNA response. Nat Commun 2024; 15:180. [PMID: 38167338 PMCID: PMC10761733 DOI: 10.1038/s41467-023-44239-2] [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: 01/04/2023] [Accepted: 12/05/2023] [Indexed: 01/05/2024] Open
Abstract
Inactivating TP53 mutations leads to a loss of function of p53, but can also often result in oncogenic gain-of-function (GOF) of mutant p53 (mutp53) proteins which promotes tumor development and progression. The GOF activities of TP53 mutations are well documented, but the mechanisms involved remain poorly understood. Here, we study the mutp53 interactome and find that by targeting minichromosome maintenance complex components (MCMs), GOF mutp53 predisposes cells to replication stress and chromosomal instability (CIN), leading to a tumor cell-autonomous and cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING)-dependent cytosolic DNA response that activates downstream non-canonical nuclear factor kappa light chain enhancer of activated B cell (NC-NF-κB) signaling. Consequently, GOF mutp53-MCMs-CIN-cytosolic DNA-cGAS-STING-NC-NF-κB signaling promotes tumor cell metastasis and an immunosuppressive tumor microenvironment through antagonizing interferon signaling and regulating genes associated with pro-tumorigenic inflammation. Our findings have important implications for understanding not only the GOF activities of TP53 mutations but also the genome-guardian role of p53 and its inactivation during tumor development and progression.
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Affiliation(s)
- Mei Zhao
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Tianxiao Wang
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
- Department of Head and Neck Surgery, Key Laboratory of Carcinogenesis and Translational Research, Peking University Cancer Hospital & Institute, 100142, Beijing, China
| | - Frederico O Gleber-Netto
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Zhen Chen
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Daniel J McGrail
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
- Center for Immunotherapy and Precision Immuno-Oncology, Cleveland Clinic, Cleveland, OH, 44195, USA
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Javier A Gomez
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Wutong Ju
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Mayur A Gadhikar
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Wencai Ma
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Li Shen
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Qi Wang
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Ximing Tang
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Sen Pathak
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Maria Gabriela Raso
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jared K Burks
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Shiaw-Yih Lin
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jing Wang
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Asha S Multani
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Curtis R Pickering
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
- Department of Surgery-Otolaryngology, Yale School of Medicine, New Haven, CT, 06250, USA
| | - Junjie Chen
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jeffrey N Myers
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
| | - Ge Zhou
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
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3
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Kotnik EN, Mullen MM, Spies NC, Li T, Inkman M, Zhang J, Martins-Rodrigues F, Hagemann IS, McCourt CK, Thaker PH, Hagemann AR, Powell MA, Mutch DG, Khabele D, Longmore GD, Mardis ER, Maher CA, Miller CA, Fuh KC. Genetic characterization of primary and metastatic high-grade serous ovarian cancer tumors reveals distinct features associated with survival. Commun Biol 2023; 6:688. [PMID: 37400526 DOI: 10.1038/s42003-023-05026-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 06/07/2023] [Indexed: 07/05/2023] Open
Abstract
High-grade serous ovarian cancer (HGSC) is the most lethal histotype of ovarian cancer and the majority of cases present with metastasis and late-stage disease. Over the last few decades, the overall survival for patients has not significantly improved, and there are limited targeted treatment options. We aimed to better characterize the distinctions between primary and metastatic tumors based on short- or long-term survival. We characterized 39 matched primary and metastatic tumors by whole exome and RNA sequencing. Of these, 23 were short-term (ST) survivors (overall survival (OS) < 3.5 years) and 16 were long-term (LT) survivors (OS > 5 years). We compared somatic mutations, copy number alterations, mutational burden, differential gene expression, immune cell infiltration, and gene fusion predictions between the primary and metastatic tumors and between ST and LT survivor cohorts. There were few differences in RNA expression between paired primary and metastatic tumors, but significant differences between the transcriptomes of LT and ST survivors in both their primary and metastatic tumors. These findings will improve the understanding of the genetic variation in HGSC that exist between patients with different prognoses and better inform treatments by identifying new targets for drug development.
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Affiliation(s)
- Emilee N Kotnik
- Division of Gynecologic Oncology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Center for Reproductive Health Sciences, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Department of Obstetrics and Gynecology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
| | - Mary M Mullen
- Division of Gynecologic Oncology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Center for Reproductive Health Sciences, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Department of Obstetrics and Gynecology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
| | - Nicholas C Spies
- Department of Obstetrics and Gynecology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Department of Pathology and Immunology, Washington University in St. Louis, 660 S. Euclid Ave CB, 8118, St. Louis, MO, USA
| | - Tiandao Li
- Department of Developmental Biology, Washington University in St. Louis, 660 S. Euclid Ave CB, 8103, St. Louis, MO, USA
| | - Matthew Inkman
- Department of Radiation Oncology, Washington University in St. Louis, 660 S. Euclid Ave CB, 8224, St. Louis, MO, USA
| | - Jin Zhang
- Department of Radiation Oncology, Washington University in St. Louis, 660 S. Euclid Ave CB, 8224, St. Louis, MO, USA
| | - Fernanda Martins-Rodrigues
- Division of Oncology, Washington University in St. Louis, 660 S. Euclid Ave CB, 8069, St. Louis, MO, USA
| | - Ian S Hagemann
- Division of Gynecologic Oncology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Center for Reproductive Health Sciences, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Department of Obstetrics and Gynecology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Department of Pathology and Immunology, Washington University in St. Louis, 660 S. Euclid Ave CB, 8118, St. Louis, MO, USA
| | - Carolyn K McCourt
- Division of Gynecologic Oncology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Center for Reproductive Health Sciences, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Department of Obstetrics and Gynecology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
| | - Premal H Thaker
- Division of Gynecologic Oncology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Center for Reproductive Health Sciences, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Department of Obstetrics and Gynecology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
| | - Andrea R Hagemann
- Division of Gynecologic Oncology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Center for Reproductive Health Sciences, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Department of Obstetrics and Gynecology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
| | - Matthew A Powell
- Division of Gynecologic Oncology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Center for Reproductive Health Sciences, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Department of Obstetrics and Gynecology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
| | - David G Mutch
- Division of Gynecologic Oncology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Center for Reproductive Health Sciences, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Department of Obstetrics and Gynecology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
| | - Dineo Khabele
- Division of Gynecologic Oncology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Center for Reproductive Health Sciences, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
- Department of Obstetrics and Gynecology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA
| | - Gregory D Longmore
- Division of Oncology, Washington University in St. Louis, 660 S. Euclid Ave CB, 8069, St. Louis, MO, USA
- ICCE Institute, Washington University in St. Louis, 660 S. Euclid Ave CB, 8225, St. Louis, MO, USA
| | - Elaine R Mardis
- Institute for Genomic Medicine, Nationwide Children's Hospital, 575 Childrens Crossroad, Columbus, OH, USA
| | - Christopher A Maher
- Division of Oncology, Washington University in St. Louis, 660 S. Euclid Ave CB, 8069, St. Louis, MO, USA
- McDonnell Genome Institute, Washington University in St. Louis, 4444 Forest Park Avenue, CB 8501, St. Louis, MO, USA
- Department of Internal Medicine, Washington University in St. Louis, 660 S. Euclid Ave, MSC 8066-22-6602, St. Louis, MO, USA
- Department of Biomedical Engineering, Washington University in St. Louis, McKelvey School of Engineering, 1 Brookings Drive, St. Louis, MO, USA
| | - Christopher A Miller
- Division of Oncology, Washington University in St. Louis, 660 S. Euclid Ave CB, 8069, St. Louis, MO, USA
| | - Katherine C Fuh
- Division of Gynecologic Oncology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA.
- Center for Reproductive Health Sciences, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA.
- Department of Obstetrics and Gynecology, Washington University in St. Louis, 660 S. Euclid Ave Mailstop, 8064, St. Louis, MO, USA.
- Department of Obstetrics and Gynecology & Reproductive Sciences, University of California San Francisco, San Francisco, CA, USA.
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4
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Madorsky Rowdo FP, Xiao G, Khramtsova GF, Nguyen J, Olopade OI, Martini R, Stonaker B, Boateng R, Oppong JK, Adjei EK, Awuah B, Kyei I, Aitpillah FS, Adinku MO, Ankomah K, Osei-Bonsu EB, Gyan KK, Altorki NK, Cheng E, Ginter PS, Hoda S, Newman L, Elemento O, Davis MB, Martin ML, Bargonetti J. Patient-derived tumor organoids with p53 mutations, and not wild-type p53, are sensitive to synergistic combination PARP inhibitor treatment. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.22.544406. [PMID: 38076873 PMCID: PMC10705575 DOI: 10.1101/2023.06.22.544406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Poly (ADP-ribose) polymerase inhibitors (PARPi) are used for patients with BRCA1/2 mutations, but patients with other mutations may benefit from PARPi treatment. Another mutation that is present in more cancers than BRCA1/2 is mutation to the TP53 gene. In 2D breast cancer cell lines, mutant p53 (mtp53) proteins tightly associate with replicating DNA and Poly (ADP-ribose) polymerase (PARP) protein. Combination drug treatment with the alkylating agent temozolomide and the PARPi talazoparib kills mtp53 expressing 2D grown breast cancer cell lines. We evaluated the sensitivity to the combination of temozolomide plus PARPi talazoparib treatment to breast and lung cancer patient-derived tumor organoids (PDTOs). The combination of the two drugs was synergistic for a cytotoxic response in PDTOs with mtp53 but not for PDTOs with wtp53. The combination of talazoparib and temozolomide induced more DNA double-strand breaks in mtp53 expressing organoids than in wild-type p53 expressing organoids as shown by increased γ-H2AX protein expression. Moreover, breast cancer tissue microarrays (TMAs) showed a positive correlation between stable p53 and high PARP1 expression in sub-groups of breast cancers, which may indicate sub-classes of breast cancers sensitive to PARPi therapy. These results suggest that mtp53 could be a biomarker to predict response to the combination of PARPi talazoparib-temozolomide treatment.
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Affiliation(s)
| | - Gu Xiao
- The Department of Biological Sciences Hunter College, Belfer Building, City University of New York, New York, NY10021
| | - Galina F Khramtsova
- Center for Clinical Cancer Genetics and Global Health and Section of Hematology and Oncology, Department of Medicine, University of Chicago, Chicago, IL 60637
| | - John Nguyen
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, New York, NY10021
| | - Olufunmilayo I Olopade
- Center for Clinical Cancer Genetics and Global Health and Section of Hematology and Oncology, Department of Medicine, University of Chicago, Chicago, IL 60637
| | - Rachel Martini
- Department of Surgery, Weill Cornell Medicine, New York, NY10021
| | - Brian Stonaker
- Department of Surgery, Weill Cornell Medicine, New York, NY10021
| | | | | | | | | | - Ishmael Kyei
- Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | | | | | | | | | - Kofi K. Gyan
- Department of Surgery, Weill Cornell Medicine, New York, NY10021
| | - Nasser K. Altorki
- Department of Cardiothoracic Surgery, Weill Cornell Medical College, New York, NY
| | - Esther Cheng
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY
| | - Paula S. Ginter
- Department of Pathology, NYU Langone Hospital-Long Island, Mineola, NY
| | - Syed Hoda
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY
| | - Lisa Newman
- Department of Surgery, Weill Cornell Medicine, New York, NY10021
| | - Olivier Elemento
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, New York, NY10021
| | - Melissa B. Davis
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, New York, NY10021
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, 720 Westview Drive, Atlanta, GA 30310
| | - M. Laura Martin
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, New York, NY10021
| | - Jill Bargonetti
- The Department of Biological Sciences Hunter College, Belfer Building, City University of New York, New York, NY10021
- Department of Cell and Developmental Biology, Weill Cornell Medical College, New York City, NY 10021
- The Graduate Center Biology and Biochemistry Programs of City University of New York, New York, NY 10016
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5
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Tsydenova IA, Dolgasheva DS, Gaptulbarova KA, Ibragimova MK, Tsyganov MM, Kravtsova EA, Nushtaeva AA, Litviakov NV. WNT-Conditioned Mechanism of Exit from Postchemotherapy Shock of Differentiated Tumour Cells. Cancers (Basel) 2023; 15:2765. [PMID: 37345102 DOI: 10.3390/cancers15102765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/11/2023] [Accepted: 05/11/2023] [Indexed: 06/23/2023] Open
Abstract
BACKGROUND the present study aims to prove or disprove the hypothesis that the state of copy number aberration (CNA) activation of WNT signalling pathway genes accounts for the ability of differentiated tumour cells to emerge from postchemotherapy shock. METHODS In the first step, the CNA genetic landscape of breast cancer cell lines BT-474, BT-549, MDA-MB-231, MDA-MD-468, MCF7, SK-BR-3 and T47D, which were obtained from ATCC, was examined to rank cell cultures according to the degree of ectopic activation of the WNT signalling pathway. Then two lines of T47D with ectopic activation and BT-474 without activation were selected. The differentiated EpCAM+CD44-CD24-/+ cells of these lines were subjected to IL6 de-differentiation with formation of mammospheres on the background of cisplatin and WNT signalling inhibitor ICG-001. RESULTS it was found that T47D cells with ectopic WNT signalling activation after cisplatin exposure were dedifferentiated to form mammospheres while BT-474 cells without ectopic WNT-signalling activation did not form mammospheres. The dedifferentiation of T47D cells after cisplatin exposure was completely suppressed by the WNT signalling inhibitor ICG-001. Separately, ICG-001 reduced, but did not abolish, the ability to dedifferentiate in both cell lines. CONCLUSIONS these data support the hypothesis that the emergence of differentiated tumour cells from postchemotherapy shock after chemotherapy is due to ectopic activation of WNT signalling pathway genes.
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Affiliation(s)
- Irina A Tsydenova
- Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634028 Tomsk, Russia
- Biological Institute, National Research Tomsk State University, 634050 Tomsk, Russia
| | - Daria S Dolgasheva
- Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634028 Tomsk, Russia
- Biological Institute, National Research Tomsk State University, 634050 Tomsk, Russia
| | - Ksenia A Gaptulbarova
- Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634028 Tomsk, Russia
- Biological Institute, National Research Tomsk State University, 634050 Tomsk, Russia
- Genetic Technology Laboratory, Siberian State Medical University, 634050 Tomsk, Russia
| | - Marina K Ibragimova
- Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634028 Tomsk, Russia
- Biological Institute, National Research Tomsk State University, 634050 Tomsk, Russia
- Genetic Technology Laboratory, Siberian State Medical University, 634050 Tomsk, Russia
| | - Matvei M Tsyganov
- Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634028 Tomsk, Russia
- Genetic Technology Laboratory, Siberian State Medical University, 634050 Tomsk, Russia
| | - Ekaterina A Kravtsova
- Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634028 Tomsk, Russia
- Biological Institute, National Research Tomsk State University, 634050 Tomsk, Russia
| | - Anna A Nushtaeva
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Nikolai V Litviakov
- Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, 634028 Tomsk, Russia
- Biological Institute, National Research Tomsk State University, 634050 Tomsk, Russia
- Genetic Technology Laboratory, Siberian State Medical University, 634050 Tomsk, Russia
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6
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PARP-1 Expression Influences Cancer Stem Cell Phenotype in Colorectal Cancer Depending on p53. Int J Mol Sci 2023; 24:ijms24054787. [PMID: 36902215 PMCID: PMC10002521 DOI: 10.3390/ijms24054787] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/23/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
Poly(ADP-ribose) polymerase-1 (PARP-1) is a protein involved in multiple physiological processes. Elevated PARP-1 expression has been found in several tumours, being associated with stemness and tumorigenesis. In colorectal cancer (CRC), some controversy among studies has been described. In this study, we analysed the expression of PARP-1 and cancer stem cell (CSC) markers in CRC patients with different p53 status. In addition, we used an in vitro model to evaluate the influence of PARP-1 in CSC phenotype regarding p53. In CRC patients, PARP-1 expression correlated with the differentiation grade, but this association was only maintained for tumours harbouring wild-type p53. Additionally, in those tumours, PARP-1 and CSC markers were positively correlated. In mutated p53 tumours, no associations were found, but PARP-1 was an independent factor for survival. According to our in vitro model, PARP-1 regulates CSC phenotype depending on p53 status. PARP-1 overexpression in a wild type p53 context increases CSC markers and sphere forming ability. By contrast, those features were reduced in mutated p53 cells. These results could implicate that patients with elevated PARP-1 expression and wild type p53 could benefit from PARP-1 inhibition therapies, meanwhile it could have adverse effects for those carrying mutated p53 tumours.
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7
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Zeng L, Liu XY, Miao L, Chen K, Xu H, Qin LJ, Li M, Liu K, Feng J, Wang HY. Risk model based on minichromosome maintenance 2 using objective assessment for predicting survival of neuroblastoma. iScience 2023; 26:105974. [PMID: 36756367 PMCID: PMC9900501 DOI: 10.1016/j.isci.2023.105974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 10/07/2022] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Aberrant minichromosome maintenance (MCM) expression is associated with tumorigenesis. Here, we performed immunohistochemistry integrated with digital pathology to identify MCM2/5/6 expression in 130 neuroblastoma patients. A risk score was established using least absolute shrinkage and selection operator that predicts outcomes according to MCM2 expression, age, and the International Neuroblastoma Staging System in the Therapeutically Applicable Research to Generate Effective Treatments (TARGET) dataset (n = 150), where the patients with high risk had significantly worse prognosis that was validated in a hospital-based cohort (n = 130). After multivariable adjustment, the risk model remained an independent factor for survival in the TARGET cohort (overall survival [OS]: hazard ratio [HR] 2.3, 95% confidence interval [CI] 1.4-4.0; event-free survival [EFS]: HR 1.8, 95% CI 1.1-3.1) and for OS in the validation cohort (HR 8.3, 95% CI 1.6-44.5). The ESTIMATE indicates that the risk model is negatively correlated with low ESTIMATE and stromal scores. These findings show the additive nature of this score, fostering its future implementation with new prognostic variables.
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Affiliation(s)
- Liang Zeng
- Department of Pathology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, National Children’s Medical Center for South Central Region, No. 9 Jinsui Road, Guangzhou 510623, People’s Republic of China,Corresponding author
| | - Xiao-Yun Liu
- Department of Molecular Diagnostics, Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, People’s Republic of China
| | - Lei Miao
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, National Children’s Medical Center for South Central Region, Guangzhou 510623, People’s Republic of China
| | - Kai Chen
- Department of Pathology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, National Children’s Medical Center for South Central Region, No. 9 Jinsui Road, Guangzhou 510623, People’s Republic of China
| | - Hui Xu
- Department of Pathology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, National Children’s Medical Center for South Central Region, No. 9 Jinsui Road, Guangzhou 510623, People’s Republic of China
| | - Liang-Jun Qin
- Department of Pathology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, National Children’s Medical Center for South Central Region, No. 9 Jinsui Road, Guangzhou 510623, People’s Republic of China
| | - Meng Li
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, National Children’s Medical Center for South Central Region, Guangzhou 510623, People’s Republic of China
| | - Kai Liu
- Cells Vision (Guangzhou) Medical Technology Inc., Guangzhou 510320, People’s Republic of China
| | - Jiahao Feng
- Cells Vision (Guangzhou) Medical Technology Inc., Guangzhou 510320, People’s Republic of China
| | - Hai-Yun Wang
- Department of Pathology, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, National Children’s Medical Center for South Central Region, No. 9 Jinsui Road, Guangzhou 510623, People’s Republic of China,Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, National Children’s Medical Center for South Central Region, Guangzhou 510623, People’s Republic of China,Corresponding author
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8
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Lundine D, Annor GK, Chavez V, Maimos S, Syed Z, Jiang S, Ellison V, Bargonetti J. The C-terminus of Gain-of-Function Mutant p53 R273H Is Required for Association with PARP1 and Poly-ADP-Ribose. Mol Cancer Res 2022; 20:1799-1810. [PMID: 36074101 PMCID: PMC9716242 DOI: 10.1158/1541-7786.mcr-22-0133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 08/02/2022] [Accepted: 09/02/2022] [Indexed: 01/15/2023]
Abstract
The TP53 gene is mutated in 80% of triple-negative breast cancers. Cells that harbor the hot-spot p53 gene mutation R273H produce an oncogenic mutant p53 (mtp53) that enhances cell proliferative and metastatic properties. The enhanced activities of mtp53 are collectively referred to as gain-of-function (GOF), and may include transcription-independent chromatin-based activities shared with wild-type p53 (wtp53) such as association with replicating DNA and DNA replication associated proteins like PARP1. However, how mtp53 upregulates cell proliferation is not well understood. wtp53 interacts with PARP1 using a portion of its C-terminus. The wtp53 oligomerization and far C-terminal domain (CTD) located within the C-terminus constitute putative GOF-associated domains, because mtp53 R273H expressing breast cancer cells lacking both domains manifest slow proliferation phenotypes. We addressed if the C-terminal region of mtp53 R273H is important for chromatin interaction and breast cancer cell proliferation using CRISPR-Cas9 mutated MDA-MB-468 cells endogenously expressing mtp53 R273H C-terminal deleted isoforms (R273HΔ381-388 and R273HΔ347-393). The mtp53 R273HΔ347-393 lacks the CTD and a portion of the oligomerization domain. We observed that cells harboring mtp53 R273HΔ347-393 (compared with mtp53 R273H full-length) manifest a significant reduction in chromatin, PARP1, poly-ADP-ribose (PAR), and replicating DNA binding. These cells also exhibited impaired response to hydroxyurea replicative stress, decreased sensitivity to the PARP-trapping drug combination temozolomide-talazoparib, and increased phosphorylated 53BP1 foci, suggesting reduced Okazaki fragment processing. IMPLICATIONS The C-terminal region of mtp53 confers GOF activity that mediates mtp53-PARP1 and PAR interactions assisting DNA replication, thus implicating new biomarkers for PARP inhibitor therapy.
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Affiliation(s)
- Devon Lundine
- The Department of Biological Sciences, Hunter College, Belfer Building, City University of New York, New York.,The Graduate Center Biology and Biochemistry Programs, City University of New York, New York
| | - George K. Annor
- The Department of Biological Sciences, Hunter College, Belfer Building, City University of New York, New York.,The Graduate Center Biology and Biochemistry Programs, City University of New York, New York
| | - Valery Chavez
- The Department of Biological Sciences, Hunter College, Belfer Building, City University of New York, New York.,The Graduate Center Biology and Biochemistry Programs, City University of New York, New York
| | - Styliana Maimos
- The Department of Biological Sciences, Hunter College, Belfer Building, City University of New York, New York
| | - Zafar Syed
- The Department of Biological Sciences, Hunter College, Belfer Building, City University of New York, New York
| | - Shuhong Jiang
- The Department of Biological Sciences, Hunter College, Belfer Building, City University of New York, New York
| | - Viola Ellison
- The Department of Biological Sciences, Hunter College, Belfer Building, City University of New York, New York.,Corresponding Authors: Jill Bargonetti, Hunter College, 413 East 69th Street, New York, NY 10021. Phone: 212-896-0465; E-mail: ; and Viola Ellison,
| | - Jill Bargonetti
- The Department of Biological Sciences, Hunter College, Belfer Building, City University of New York, New York.,The Graduate Center Biology and Biochemistry Programs, City University of New York, New York.,Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, New York.,Corresponding Authors: Jill Bargonetti, Hunter College, 413 East 69th Street, New York, NY 10021. Phone: 212-896-0465; E-mail: ; and Viola Ellison,
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9
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Fatima M, Abourehab MAS, Aggarwal G, Jain GK, Sahebkar A, Kesharwani P. Advancement of cell-penetrating peptides in combating triple-negative breast cancer. Drug Discov Today 2022; 27:103353. [PMID: 36099963 DOI: 10.1016/j.drudis.2022.103353] [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: 05/12/2022] [Revised: 06/23/2022] [Accepted: 09/06/2022] [Indexed: 11/03/2022]
Abstract
Extensive research efforts have been made and are still ongoing in the search for an ideal anti-cancer therapy. Almost all chemotherapeutics require a carrier or vehicle, a drug delivery system that can transport the drug specifically to the targeted cancer cells, sparing normal cells. Cell-penetrating peptides (CPPs) provide an effective and efficient pathway for the intra-cellular transportation of various bioactive molecules in several biomedical therapies. They are now well-recognized as facilitators of intracellular cargo delivery and have excellent potential for targeted anti-cancer therapy. In this review, we explain CPPs, recent progress in the development of new CPPs, and their utilization to transport cargoes such as imaging agents, chemotherapeutics, and short-interfering RNAs (siRNA) into tumor cells, contributing to the advancement of novel tumor-specific delivery systems.
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Affiliation(s)
- Mahak Fatima
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110 062, India
| | - Mohammed A S Abourehab
- Department of Pharmaceutics, College of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia; Department of Pharmaceutics and Industrial Pharmacy, College of Pharmacy, Minia University, Minia 61519, Egypt
| | - Geeta Aggarwal
- Department of Pharmaceutics, Delhi Pharmaceutical Sciences and Research University, New Delhi 110 017, India
| | - Gaurav K Jain
- Department of Pharmaceutics, Delhi Pharmaceutical Sciences and Research University, New Delhi 110 017, India
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110 062, India.
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10
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Nabi-Meybodi M, Sahebnasagh A, Hakimi Z, Shabani M, Shakeri AA, Saghafi F. Effects of topical timolol for the prevention of radiation-induced dermatitis in breast cancer: a pilot triple-blind, placebo-controlled trial. BMC Cancer 2022; 22:1079. [PMID: 36266613 PMCID: PMC9583052 DOI: 10.1186/s12885-022-10064-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 09/02/2022] [Indexed: 12/04/2022] Open
Abstract
Introduction Radiation therapy is one of the standard methods in the treatment of breast cancer. Radiotherapy-induced dermatitis (RID) is a common complication of radiotherapy (RT) resulting in less tolerance in RT and even discontinuation of treatment. Timolol is a β-adrenergic receptor antagonist that presents the best wound healing effects on both chronic and incurable wound healing. Topical forms of timolol could be effective in the prevention of RID due to the role of β-adrenergic receptors in skin cells and keratinocyte migration, as well as the anti-inflammatory effect of timolol. However, no placebo-controlled randomized trial is available to confirm its role. The current trial aimed to evaluate the efficacy of topical timolol 0.5% (w/w) on the RID severity and patients' quality of life (QOL). Method Patients aged older than 18 years with positive histology confirmed the diagnosis of invasive and localized breast cancer were included. Patients were randomized based on the random number table to receive each of the interventions of timolol 0.5% (w/w) or placebo topical gels from the first day of initiation of RT and for 6 weeks, a thin layer of gel twice daily. Patients were asked to use a thin layer of gel for at least two hours before and after radiation therapy. Primary outcomes were acute radiation dermatitis (ARD) grade using Radiation Therapy Oncology Group and the European Organization for Research and Treatment of Cancer (RTOG/EORTC) scale and severity of desquamation based on Common Terminology Criteria for Adverse Events (CTCAE), version 5.0. Secondary outcomes were QOL based on Skindex16 (SD-16), maximum grade of ARD, and time of initial RD occurrence. Results A total of 64 female patients with an age range of 33 to 79 years were included. The means (SD) of age were 53.88 (11.02) and 54.88 (12.48) in the control and timolol groups, respectively. Considering the RTOG/EORTC and CTCAE scores the difference between groups was insignificant (P-Value = 0.182 and P-Value = 0.182, respectively). In addition, the mean (SD) of time of initial RID occurrence in placebo and timolol groups were 4.09 (0.588) and 4.53 (0.983) weeks, respectively (P-Value = 0.035). The maximum grade of RID over time was significantly lower in the timolol group. During the study period, 75.0% of patients in placebo groups had grade 2 of ARD while in the timolol group it was 31.3% (P-Value = 0.002). QoL was not significantly different between groups (P-Value = 0.148). Conclusion Although the topical formulation of timolol, 0.5% (w/w), was found to reduce the average maximum grade of ARD and increase the mean (SD) time of initial RID occurrence, it showed no effect on ARD, severity, and QOL. However, future clinical trials should be performed to assess timolol gel formulation in larger study populations. Trial registration https://irct.ir/ IRCT20190810044500N11 (17/03/2021).
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Affiliation(s)
- Mohsen Nabi-Meybodi
- Department of Pharmaceutics, School of Pharmacy, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran
| | - Adeleh Sahebnasagh
- Clinical Research Center, Department of Internal Medicine, School of Medicine, Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Zahra Hakimi
- Pharmaceutical Sciences Research Center, School of Pharmacy, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran
| | - Masoud Shabani
- Department of Radiooncology, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran
| | - Ali Asghar Shakeri
- Department of Radiooncology, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran
| | - Fatemeh Saghafi
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran. .,Shahid Sadoughi University of Medical Sciences, Department of Clinical Pharmacy, Faculty of Pharmacy, Shohadaye gomnam Blvd, Yazd Province, Yazd, Iran.
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11
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Canar J, Manandhar-Sasaki P, Bargonetti J. Mutant C. elegans p53 Together with Gain-of-Function GLP-1/Notch Decreases UVC-Damage-Induced Germline Cell Death but Increases PARP Inhibitor-Induced Germline Cell Death. Cancers (Basel) 2022; 14:4929. [PMID: 36230851 PMCID: PMC9563635 DOI: 10.3390/cancers14194929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/02/2022] [Accepted: 10/04/2022] [Indexed: 11/16/2022] Open
Abstract
The TP53 gene is mutated in over 50% of human cancers, and the C. elegansp53-1(cep-1) gene encodes the ortholog CEP-1. CEP-1 is activated by ultraviolet type C (UVC)-induced DNA damage and activates genes that induce germline apoptosis. UVC treatment of gain-of-function glp-1(ar202gf)/Notch tumorous animals reduces germline stem cell numbers (and overall tumor size), while UVC treatment of double-mutant cep-1/p53(gk138);glp-1/Notch(ar202gf) increases DNA damage adducts and stem cell tumor volume. We compared UVC-induced mitotic stem cell death and animal lifespans for the two different C. elegans tumorous strains. C. elegans stem cell compartment death has never been observed, and we used engulfed small stem cells, notable by green fluorescent puncta, to count cell death events. We found UVC treatment of glp-1(ar202gf) animals increased stem cell death and increased lifespan. However, UVC treatment of double-mutant cep-1/p53(gk138);glp-1/Notch(ar202gf) animals decreased stem cell death, increased tumor volume, and decreased animal lifespan. There are pharmacological agents that induce p53-independent cell death of human cells in culture; and two notable protocols are the PARP-trapping agents of temozolomide plus talazoparib and the nucleoside analogue 8-amino-adenosine. It is important to determine ways to rapidly test for pharmacological agents able to induce p53-independent cell death. We tested feeding cep-1/p53(gk138);glp-1/Notch(ar202gf) nematodes with either 8-amino-adenosine or temozolomide plus talazoparib and found both were able to decrease tumor volume. This is the first comparison for p53-independent responses in cep-1/p53(gk138);glp-1/Notch(ar202gf) animals and showed UVC DNA damage increased tumor volume and decreased lifespan while PARP inhibition decreased tumor volume.
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Affiliation(s)
- Jorge Canar
- Department of Biological Sciences, Hunter College, City University of New York, New York, NY 10065, USA
| | - Prima Manandhar-Sasaki
- Department of Biological Sciences, Hunter College, City University of New York, New York, NY 10065, USA
- Macaulay Honors College at Hunter College, City University of New York, New York, NY 10065, USA
| | - Jill Bargonetti
- Department of Biological Sciences, Hunter College, City University of New York, New York, NY 10065, USA
- The Graduate Center, Departments of Biology and Biochemistry, City University of New York, New York, NY 10016, USA
- Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, NY 10065, USA
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12
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Breast Cancer with Low Recurrence Score on Oncotype DX ©: Interplay Between Early Recurrence, Lobular Histology and BRCA Mutation. Oncol Ther 2022; 10:441-450. [PMID: 35751801 DOI: 10.1007/s40487-022-00202-7] [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: 05/03/2022] [Accepted: 06/07/2022] [Indexed: 10/17/2022] Open
Abstract
INTRODUCTION The 21-gene recurrence score assay Oncotype DX© (ODX) has clear prognostic and predictive value regarding adjuvant chemotherapy. However, recent studies have shown the clinical distinctiveness of both BRCA1/2-driven early breast cancer (EBC) and invasive lobular (ILC) breast cancers. We evaluated the association between BRCA1/2-driven EBC/ILC and Oncotype DX failure despite a recurrence score ≤ 20. METHODS Here, we describe a small cohort of 16 patients from our center who, despite a low recurrence score (RS) ≤ 20, suffered from early disease recurrence. Clinical parameters of our cohort of patients were compared to a cohort from the general population of Clalit Health Service (CHS). RESULTS Median age at diagnosis in our cohort was significantly younger. BRCA mutational status was available in 14 patients in our cohort. A high percentage of these patients had BRCA1/2 mutations (35.7%), either germline (in 3) or somatic (in 2). Half of our cohort was diagnosed with lobular carcinoma (ILC) relative to 10-15% in the general population of BC (p = 0.02). The median time to recurrence was 44 months. CONCLUSION BRCA1/2 mutation and ILC are highly represented in this cohort. Although our cohort is small, these data may suggest that a RS ≤ 20 in these subgroups may not reflect a low risk of recurrence.
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13
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Schaefer‐Ramadan S, Aleksic J, Al‐Thani NM, Malek JA. Novel protein contact points among TP53 and minichromosome maintenance complex proteins 2, 3, and 5. Cancer Med 2022; 11:4989-5000. [PMID: 35567389 PMCID: PMC9761056 DOI: 10.1002/cam4.4805] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 04/11/2022] [Accepted: 04/26/2022] [Indexed: 02/03/2023] Open
Abstract
OBJECTIVE Identify protein contact points between TP53 and minichromosome maintenance (MCM) complex proteins 2, 3, and 5 with high resolution allowing for potential novel Cancer drug design. METHODS A next-generation sequencing-based protein-protein interaction method developed in our laboratory called AVA-Seq was applied to a gold-standard human protein interaction set. Proteins including TP53, MCM2, MCM3, MCM5, HSP90AA1, PCNA, NOD1, and others were sheared and ligated into the AVA-Seq system. Protein-protein interactions were then identified in both mild and stringent selective conditions. RESULTS Known interactions among MCM2, MCM3, and MCM5 were identified with the AVA-Seq system. The interacting regions detected between these three proteins overlap with the structural data of the MCM complex, and novel domains were identified with high resolution determined by multiple overlapping fragments. Fragments of wild type TP53 were shown to interact with MCM2, MCM3, and MCM5, and details on the location of the interactions were provided. Finally, a mini-network of known and novel cancer protein interactions was provided, which could have implications for fundamental changes in multiple cancers. CONCLUSION We provide a high-resolution mini-interactome that could direct novel drug targets and implicate possible effects of specific cancer mutations.
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Affiliation(s)
| | - Jovana Aleksic
- Department of Genetic MedicineWeill Cornell Medicine in QatarDohaQatar
| | - Nayra M. Al‐Thani
- Department of Genetic MedicineWeill Cornell Medicine in QatarDohaQatar
| | - Joel A. Malek
- Department of Genetic MedicineWeill Cornell Medicine in QatarDohaQatar
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14
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Byun D, Hong S, Ryu S, Nam Y, Jang H, Cho Y, Keum N, Oh H. Early-life body mass index and risks of breast, endometrial, and ovarian cancers: a dose-response meta-analysis of prospective studies. Br J Cancer 2022; 126:664-672. [PMID: 34773099 PMCID: PMC8854408 DOI: 10.1038/s41416-021-01625-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 10/16/2021] [Accepted: 10/29/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The evidence for the associations between early-life adiposity and female cancer risks is mixed. Little is known about the exact shape of the relationships and whether the associations are independent of adult adiposity. METHODS We conducted dose-response meta-analyses of prospective studies to summarise the relationships of early-life body mass index (BMI) with breast, endometrial, and ovarian cancer risks. Pubmed and Embase were searched through June 2020 to identify relevant studies. Using random-effects models, the summary relative risks (RRs) and 95% confidence intervals (CIs) were estimated per 5-kg/m2 increase in BMI at ages ≤ 25 years. A nonlinear dose-response meta-analysis was conducted using restricted cubic spline analysis. RESULTS After screening 33,948 publications, 37 prospective studies were included in this analysis. The summary RRs associated with every 5-kg/m2 increase in early-life BMI were 0.84 (95% CI = 0.81-0.87) for breast, 1.40 (95% CI = 1.25-1.57) for endometrial, and 1.15 (95% CI = 1.07-1.23) for ovarian cancers. For breast cancer, the association remained statistically significant after adjustment for adult BMI (RR = 0.80, 95% CI = 0.73-0.87). For premenopausal breast, endometrial, and ovarian cancers, the dose-response curves suggested evidence of nonlinearity. CONCLUSIONS With early-life adiposity, our data support an inverse association with breast cancer and positive associations with ovarian and endometrial cancer risks.
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Affiliation(s)
- Dohyun Byun
- grid.222754.40000 0001 0840 2678Interdisciplinary Program in Precision Public Health, Department of Public Health Sciences, Graduate School of Korea University, Seoul, Republic of Korea
| | - SungEun Hong
- grid.255168.d0000 0001 0671 5021Department of Food Science and Biotechnology, Dongguk University, Goyang, Republic of Korea
| | - Seaun Ryu
- grid.222754.40000 0001 0840 2678Interdisciplinary Program in Precision Public Health, Department of Public Health Sciences, Graduate School of Korea University, Seoul, Republic of Korea
| | - Yeonju Nam
- grid.222754.40000 0001 0840 2678Division of Health Policy and Management, College of Health Sciences, Korea University, Seoul, Republic of Korea
| | - Hajin Jang
- grid.222754.40000 0001 0840 2678Interdisciplinary Program in Precision Public Health, Department of Public Health Sciences, Graduate School of Korea University, Seoul, Republic of Korea
| | - Yoonkyoung Cho
- grid.222754.40000 0001 0840 2678Interdisciplinary Program in Precision Public Health, Department of Public Health Sciences, Graduate School of Korea University, Seoul, Republic of Korea
| | - NaNa Keum
- Department of Food Science and Biotechnology, Dongguk University, Goyang, Republic of Korea. .,Department of Nutrition, Harvard T.H. Chan School of Public Health, BostonMA, USA.
| | - Hannah Oh
- Interdisciplinary Program in Precision Public Health, Department of Public Health Sciences, Graduate School of Korea University, Seoul, Republic of Korea. .,Division of Health Policy and Management, College of Health Sciences, Korea University, Seoul, Republic of Korea.
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15
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Berdunov V, Millen S, Paramore A, Hall P, Perren T, Brown R, Griffin J, Reynia S, Fryer N, Longworth L. Cost-effectiveness analysis of the Oncotype DX Breast Recurrence Score test in node-positive early breast cancer. J Med Econ 2022; 25:591-604. [PMID: 35416089 DOI: 10.1080/13696998.2022.2066399] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
AIMS Given the high rate of adverse events and high cost of adjuvant chemotherapy, it is optimal to avoid its use when endocrine therapy is equally effective at preventing distant recurrence of early breast cancer. The Oncotype DX test is a predictive and prognostic multigene assay used to guide adjuvant chemotherapy decisions in early breast cancer based on a Recurrence Score (RS) result. A model-based cost-effectiveness analysis compared the Oncotype DX test to clinical risk tools alone for HR+/HER2- node-positive (1-3 axillary lymph nodes) early breast cancer patients based on results from the RxPONDER trial. MATERIALS AND METHODS A decision-tree and Markov model was developed in Microsoft Excel. Distributions of patients and distant recurrence probabilities with endocrine and chemo-endocrine therapy were derived from the RxPONDER trial, TransATAC and SWOG-8814. Chemotherapy assignment data were obtained from the Clalit registry. The cost of adjuvant chemotherapy was based on the distribution of treatments used in the UK combined with published drug unit costs in the UK. The cost of distant recurrence and health state utility values were obtained from literature. RESULTS The Oncotype DX test was found to be more effective (with an estimated 0.02 additional QALYs) at a lower estimated cost (-£989) compared to clinical risk tools alone. The results did not substantially change with more conservative clinical and cost scenarios. The RxPONDER trial was restricted to RS 0-25, and data synthesis with other studies was required to inform the analysis, which increased uncertainty. CONCLUSIONS The Oncotype DX test is highly likely to be cost-effective in node-positive early breast cancer. The results were driven by reduction in the use of chemotherapy with consequence avoidance of the costs and harmful effects of chemotherapy. Targeted treatment of a minority (11%) of women with RS 26-100 who benefit from chemotherapy reduced cost and improved survival.
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Affiliation(s)
| | | | | | - Peter Hall
- Edinburgh Cancer Research Centre, University of Edinburgh, Edinburgh, UK
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16
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Annor GK, Elshabassy N, Lundine D, Conde DG, Xiao G, Ellison V, Bargonetti J. Oligomerization of Mutant p53 R273H is not Required for Gain-of-Function Chromatin Associated Activities. Front Cell Dev Biol 2021; 9:772315. [PMID: 34881245 PMCID: PMC8645790 DOI: 10.3389/fcell.2021.772315] [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: 09/07/2021] [Accepted: 10/28/2021] [Indexed: 01/11/2023] Open
Abstract
The TP53 gene is often mutated in cancer, with missense mutations found in the central DNA binding domain, and less often in the C-terminal oligomerization domain (OD). These types of mutations are found in patients with the rare inherited cancer predisposition disorder called Li-Fraumeni syndrome. We previously found that mutant p53 (mtp53) R273H associates with replicating DNA and promotes the chromatin association of replication-associated proteins mini-chromosome maintenance 2 (MCM2), and poly ADP-ribose polymerase 1(PARP1). Herein, we created dual mutants in order to test if the oligomerization state of mtp53 R273H played a role in chromatin binding oncogenic gain-of-function (GOF) activities. We used site-directed mutagenesis to introduce point mutations in the OD in wild-type p53 (wtp53), and mtp53 R273H expressing plasmids. The glutaraldehyde crosslinking assay revealed that both wtp53 and mtp53 R273H formed predominantly tetramers, while the single OD mutant A347D, and the dual mtp53 R273H-A347D, formed predominantly dimers. The R337C, L344P, mtp53 R273H-R337C, and mtp53 R273H-L344P proteins formed predominantly monomers. Wtp53 was able to activate the cyclin-dependent kinase gene p21/waf and the p53 feedback regulator MDM2. As expected, the transactivation activity was lost for all the single mutants, as well as the mtp53 R273H-dual mutants. Importantly, mtp53 R273H and the dual oligomerization mutants, R273H-A347D, R273H-R337C, and R273H-L344P were able to interact with chromatin. Additionally, the dual oligomerization mutants, R273H-A347D, R273H-R337C, and R273H-L344P, maintained strong interactions with MCM2 and PARP1. Our findings suggest that while mtp53 R273H can form tetramers, tetramer formation is not required for the GOF associated chromatin interactions.
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Affiliation(s)
- George K Annor
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States.,The Graduate Center Biology and Biochemistry Programs of City University of New York, New York, NY, United States
| | - Nour Elshabassy
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States
| | - Devon Lundine
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States.,The Graduate Center Biology and Biochemistry Programs of City University of New York, New York, NY, United States
| | - Don-Gerard Conde
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States
| | - Gu Xiao
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States
| | - Viola Ellison
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States
| | - Jill Bargonetti
- The Department of Biological Sciences Hunter College, Belfer Research Building, City University of New York, New York, NY, United States.,The Graduate Center Biology and Biochemistry Programs of City University of New York, New York, NY, United States.,Department of Cell and Developmental Biology, Weill Cornell Medical College, New York City, NY, United States
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17
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Schaefer-Ramadan S, Aleksic J, Al-Thani NM, Mohamoud YA, Hill DE, Malek JA. Scaling-up a fragment-based protein-protein interaction method using a human reference interaction set. Proteins 2021; 90:959-972. [PMID: 34850971 PMCID: PMC9299658 DOI: 10.1002/prot.26288] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 11/09/2021] [Accepted: 11/26/2021] [Indexed: 12/13/2022]
Abstract
Protein–protein interactions (PPIs) are essential in understanding numerous aspects of protein function. Here, we significantly scaled and modified analyses of the recently developed all‐vs‐all sequencing (AVA‐Seq) approach using a gold‐standard human protein interaction set (hsPRS‐v2) containing 98 proteins. Binary interaction analyses recovered 20 of 47 (43%) binary PPIs from this positive reference set (PRS), comparing favorably with other methods. However, the increase of 20× in the interaction search space for AVA‐Seq analysis in this manuscript resulted in numerous changes to the method required for future use in genome‐wide interaction studies. We show that standard sequencing analysis methods must be modified to consider the possible recovery of thousands of positives among millions of tested interactions in a single sequencing run. The PRS data were used to optimize data scaling, auto‐activator removal, rank interaction features (such as orientation and unique fragment pairs), and statistical cutoffs. Using these modifications to the method, AVA‐Seq recovered >500 known and novel PPIs, including interactions between wild‐type fragments of tumor protein p53 and minichromosome maintenance complex proteins 2 and 5 (MCM2 and MCM5) that could be of interest in human disease.
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Affiliation(s)
| | - Jovana Aleksic
- Department of Genetic Medicine, Weill Cornell Medicine in Qatar, Doha, Qatar
| | - Nayra M Al-Thani
- Department of Genetic Medicine, Weill Cornell Medicine in Qatar, Doha, Qatar
| | - Yasmin A Mohamoud
- Department of Genetic Medicine, Weill Cornell Medicine in Qatar, Doha, Qatar
| | - David E Hill
- Center for Cancer Systems Biology (CCSB), Dana-Farber Cancer Institute (DFCI), Boston, Massachusetts, USA.,Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts, USA.,Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Joel A Malek
- Department of Genetic Medicine, Weill Cornell Medicine in Qatar, Doha, Qatar
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18
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Wilson T, Pirovano G, Xiao G, Samuels Z, Roberts S, Viray T, Guru N, Zanzonico P, Gollub M, Pillarsetty NVK, Reiner T, Bargonetti J. PARP-Targeted Auger Therapy in p53 Mutant Colon Cancer Xenograft Mouse Models. Mol Pharm 2021; 18:3418-3428. [PMID: 34318678 DOI: 10.1021/acs.molpharmaceut.1c00323] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Despite Auger electrons being highly appealing due to their short-range and high linear energy transfer to surrounding tissues, the progress in the field has been limited due to the challenge in delivering a therapeutic dose within the close proximity of cancer cell's DNA. Here, we demonstrate that the PARP inhibitor 123I-MAPi is a viable agent for the systemic administration and treatment of p53 mutant cancers. Significantly, minimal off-site toxicity was observed in mice administered with up to 74 MBq of 127I-PARPi. Taken together, these results lay the foundation for future clinical evaluation and broader preclinical investigations. By harnessing the scaffold of the PARP inhibitor Olaparib, we were able to deliver therapeutic levels of Auger radiation to the site of human colorectal cancer xenograft tumors after systemic administration. In-depth toxicity studies analyzed blood chemistry levels and markers associated with specific organ toxicity. Finally, p53+/+ and p53-/- human colorectal cancer cell lines were evaluated for the ability of 123I-MAPi to induce tumor growth delay. Toxicity studies demonstrate that both 123I-MAPi and its stable isotopologue, 127I-PARPi, have no significant off-site toxicity when administered systemically. Analysis following 123I-MAPi treatment confirmed its ability to induce DNA damage at the site of xenograft tumors when administered systemically. Finally, we demonstrate that 123I-MAPi generates a therapeutic response in p53-/-, but not p53+/+, subcutaneous xenograft tumors in mouse models. Taken together, these results represent the first example of a PARP Auger theranostic agent capable of delivering a therapeutic dose to xenograft human colorectal cancer tumors upon systemic administration without causing significant toxicity to surrounding mouse organs. Moreover, it suggests that a PARP Auger theranostic can act as a targeted therapeutic for cancers with mutated p53 pathways. This landmark goal paves the way for clinical evaluation of 123I-MAPi for pan cancer therapeutics.
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Affiliation(s)
- Thomas Wilson
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
| | - Giacomo Pirovano
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
| | - Gu Xiao
- Department of Biological Sciences Hunter College, City University of New York, New York, New York 10065, United States
| | - Zachary Samuels
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
| | - Sheryl Roberts
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
| | - Tara Viray
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
| | - Navjot Guru
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
| | - Pat Zanzonico
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
| | - Marc Gollub
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States.,Department of Radiology, Weill Cornell Medical College, New York, New York 10065, United States
| | - Naga Vara Kishore Pillarsetty
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States.,Department of Radiology, Weill Cornell Medical College, New York, New York 10065, United States
| | - Thomas Reiner
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States.,Department of Radiology, Weill Cornell Medical College, New York, New York 10065, United States.,Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Jill Bargonetti
- Department of Biological Sciences Hunter College, City University of New York, New York, New York 10065, United States.,The Graduate Center Biology and Biochemistry PhD Program of City University of New York, New York, New York 10016, United States.,Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, New York 10065, United States
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19
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Spelling Out CICs: A Multi-Organ Examination of the Contributions of Cancer Initiating Cells' Role in Tumor Progression. Stem Cell Rev Rep 2021; 18:228-240. [PMID: 34244971 DOI: 10.1007/s12015-021-10195-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/01/2021] [Indexed: 12/15/2022]
Abstract
Tumor invasion and metastasis remain the leading causes of mortality for patients with cancer despite current treatment strategies. In some cancer types, recurrence is considered inevitable due to the lack of effective anti-metastatic therapies. Recent studies across many cancer types demonstrate a close relationship between cancer-initiating cells (CICs) and metastasis, as well as general cancer progression. First, this review describes CICs' contribution to cancer progression. Then we discuss our recent understanding of mechanisms through which CICs promote tumor invasion and metastasis by examining the role of CICs in each stage. Finally, we examine the current understanding of CICs' contribution to therapeutic resistance and recent developments in CIC-targeting drugs. We believe this understanding is key to advancing anti-CIC clinical therapeutics.
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20
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Ellison V, Annor GK, Freedman C, Xiao G, Lundine D, Freulich E, Prives C, Bargonetti J. Frame-shift mediated reduction of gain-of-function p53 R273H and deletion of the R273H C-terminus in breast cancer cells result in replication-stress sensitivity. Oncotarget 2021; 12:1128-1146. [PMID: 34136083 PMCID: PMC8202772 DOI: 10.18632/oncotarget.27975] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 05/15/2021] [Indexed: 11/25/2022] Open
Abstract
We recently documented that gain-of-function (GOF) mutant p53 (mtp53) R273H in triple negative breast cancer (TNBC) cells interacts with replicating DNA and PARP1. The missense R273H GOF mtp53 has a mutated central DNA binding domain that renders it unable to bind specifically to DNA, but maintains the capacity to interact tightly with chromatin. Both the C-terminal domain (CTD) and oligomerization domain (OD) of GOF mtp53 proteins are intact and it is unclear whether these regions of mtp53 are responsible for chromatin-based DNA replication activities. We generated MDA-MB-468 cells with CRISPR-Cas9 edited versions of the CTD and OD regions of mtp53 R273H. These included a frame-shift mtp53 R273Hfs387, which depleted mtp53 protein expression; mtp53 R273HΔ381-388, which had a small deletion within the CTD; and mtp53 R273HΔ347-393, which had both the OD and CTD regions truncated. The mtp53 R273HΔ347-393 existed exclusively as monomers and disrupted the chromatin interaction of mtp53 R273H. The CRISPR variants proliferated more slowly than the parental cells and mt53 R273Hfs387 showed the most extreme phenotype. We uncovered that after thymidine-induced G1/S synchronization, but not hydroxyurea or aphidicholin, R273Hfs387 cells displayed impairment of S-phase progression while both R273HΔ347-393 and R273HΔ381-388 displayed only moderate impairment. Moreover, reduced chromatin interaction of MCM2 and PCNA in mtp53 depleted R273Hfs387 cells post thymidine-synchronization revealed delayed kinetics of replisome assembly underscoring the slow S-phase progression. Taken together our findings show that the CTD and OD domains of mtp53 R273H play critical roles in mutant p53 GOF that pertain to processes associated with DNA replication.
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Affiliation(s)
- Viola Ellison
- The Department of Biological Sciences, Hunter College, City University of New York, New York, NY, USA
| | - George K. Annor
- The Department of Biological Sciences, Hunter College, City University of New York, New York, NY, USA
- The Graduate Center Biology and Biochemistry Programs, City University of New York, New York, NY, USA
| | - Clara Freedman
- The Department of Biological Sciences, Hunter College, City University of New York, New York, NY, USA
| | - Gu Xiao
- The Department of Biological Sciences, Hunter College, City University of New York, New York, NY, USA
| | - Devon Lundine
- The Department of Biological Sciences, Hunter College, City University of New York, New York, NY, USA
- The Graduate Center Biology and Biochemistry Programs, City University of New York, New York, NY, USA
| | - Elzbieta Freulich
- Department of Biological Sciences, Columbia University, New York, NY, USA
| | - Carol Prives
- Department of Biological Sciences, Columbia University, New York, NY, USA
| | - Jill Bargonetti
- The Department of Biological Sciences, Hunter College, City University of New York, New York, NY, USA
- The Graduate Center Biology and Biochemistry Programs, City University of New York, New York, NY, USA
- Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, NY, USA
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21
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Xiao X, Zhang Z, Luo R, Peng R, Sun Y, Wang J, Chen X. Identification of potential oncogenes in triple-negative breast cancer based on bioinformatics analyses. Oncol Lett 2021; 21:363. [PMID: 33747220 PMCID: PMC7967975 DOI: 10.3892/ol.2021.12624] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 02/02/2021] [Indexed: 12/28/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is a subtype with high rates of metastasis, poor prognosis and limited therapeutic options. The present study aimed to identify the potential pivotal genes for prognosis and treatment in TNBC. A total of two microarray expression datasets, GSE38959 and GSE65212, were downloaded from the Gene Expression Omnibus database, and RNA-sequencing data of breast cancer from The Cancer Genome Atlas database were analyzed to screen out differentially expressed genes (DEGs) between TNBC tissues and normal tissues. The intersection of DEGs was submitted to Gene Ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analyses. A protein-protein interaction (PPI) network was constructed and visualized using Cytoscape software. Furthermore, module, centrality and survival analyses were performed to identify the potential hub genes. Reverse transcription-quantitative (RT-q)PCR analysis was performed to detect the expression levels of key genes in TNBC samples, and 377 DEGs were identified. Functional analysis revealed that the DEGs were significantly involved in cell cycle process, nuclear division and the p53 signaling pathway. A PPI network was constructed with these DEGs, and 66 core genes with high centrality features in module 1 were selected. Relapse-free survival analysis confirmed that high expression levels of five genes [cyclin B1 (CCNB1), GINS complex subunit 2, non-SMC condensin I complex subunit G (NCAPG), minichromosome maintenance 4 (MCM4) and ribonucleotide reductase regulatory subunit M2 (RRM2)] were significantly associated with poor prognosis in TNBC. RT-qPCR analysis demonstrated that CCNB1, NCAPG, MCM4 and RRM2 were significantly upregulated in 25 TNBC tissues compared with adjacent normal breast tissues. Furthermore, gene set enrichment analysis revealed that CCNB1, NCAPG, MCM4 and RRM2 were closely associated with tumor proliferation. Taken together, these results suggest that CCNB1, NCAPG, MCM4 and RRM2 are associated with tumorigenesis and TNBC progression, and thus may act as promising prognostic biomarkers and therapeutic targets for TNBC.
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Affiliation(s)
- Xiao Xiao
- Department of Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Zheng Zhang
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ruihan Luo
- Department of Bioinformatics, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Rui Peng
- Department of Bioinformatics, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Yan Sun
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Jia Wang
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Xin Chen
- Department of Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
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22
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Chen YJ, Roumeliotis TI, Chang YH, Chen CT, Han CL, Lin MH, Chen HW, Chang GC, Chang YL, Wu CT, Lin MW, Hsieh MS, Wang YT, Chen YR, Jonassen I, Ghavidel FZ, Lin ZS, Lin KT, Chen CW, Sheu PY, Hung CT, Huang KC, Yang HC, Lin PY, Yen TC, Lin YW, Wang JH, Raghav L, Lin CY, Chen YS, Wu PS, Lai CT, Weng SH, Su KY, Chang WH, Tsai PY, Robles AI, Rodriguez H, Hsiao YJ, Chang WH, Sung TY, Chen JS, Yu SL, Choudhary JS, Chen HY, Yang PC, Chen YJ. Proteogenomics of Non-smoking Lung Cancer in East Asia Delineates Molecular Signatures of Pathogenesis and Progression. Cell 2021; 182:226-244.e17. [PMID: 32649875 DOI: 10.1016/j.cell.2020.06.012] [Citation(s) in RCA: 148] [Impact Index Per Article: 49.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 03/13/2020] [Accepted: 06/03/2020] [Indexed: 12/13/2022]
Abstract
Lung cancer in East Asia is characterized by a high percentage of never-smokers, early onset and predominant EGFR mutations. To illuminate the molecular phenotype of this demographically distinct disease, we performed a deep comprehensive proteogenomic study on a prospectively collected cohort in Taiwan, representing early stage, predominantly female, non-smoking lung adenocarcinoma. Integrated genomic, proteomic, and phosphoproteomic analysis delineated the demographically distinct molecular attributes and hallmarks of tumor progression. Mutational signature analysis revealed age- and gender-related mutagenesis mechanisms, characterized by high prevalence of APOBEC mutational signature in younger females and over-representation of environmental carcinogen-like mutational signatures in older females. A proteomics-informed classification distinguished the clinical characteristics of early stage patients with EGFR mutations. Furthermore, integrated protein network analysis revealed the cellular remodeling underpinning clinical trajectories and nominated candidate biomarkers for patient stratification and therapeutic intervention. This multi-omic molecular architecture may help develop strategies for management of early stage never-smoker lung adenocarcinoma.
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Affiliation(s)
- Yi-Ju Chen
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan
| | - Theodoros I Roumeliotis
- Functional Proteomics Group, Chester Beatty Laboratories, The Institute of Cancer Research, London SW3 6JB, UK
| | - Ya-Hsuan Chang
- Institute of Statistical Science, Academia Sinica, Taipei, Taiwan
| | - Ching-Tai Chen
- Institute of Information Science, Academia Sinica, Taipei, Taiwan
| | - Chia-Li Han
- Master Program in Clinical Pharmacogenomics and Pharmacoproteomics, College of Pharmacy, Taipei Medical University, Taipei, Taiwan.
| | - Miao-Hsia Lin
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan
| | - Huei-Wen Chen
- Graduate Institute of Toxicology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Gee-Chen Chang
- Division of Chest Medicine, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan; Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Yih-Leong Chang
- Department of Pathology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chen-Tu Wu
- Department of Pathology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Mong-Wei Lin
- Division of Thoracic Surgery, Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Min-Shu Hsieh
- Department of Pathology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Yu-Tai Wang
- National Applied Research Laboratories, National Center for High-performance Computing, Hsinchu, Taiwan
| | - Yet-Ran Chen
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei, Taiwan
| | - Inge Jonassen
- Computational Biology Unit (CBU), Informatics Department, University of Bergen, Bergen, Norway
| | | | - Ze-Shiang Lin
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Kuen-Tyng Lin
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan
| | - Ching-Wen Chen
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Pei-Yuan Sheu
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Chen-Ting Hung
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | | | - Hao-Chin Yang
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan
| | - Pei-Yi Lin
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan
| | - Ta-Chi Yen
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan
| | - Yi-Wei Lin
- Division of Thoracic Surgery, Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Jen-Hung Wang
- Institute of Information Science, Academia Sinica, Taipei, Taiwan
| | - Lovely Raghav
- Institute of Statistical Science, Academia Sinica, Taipei, Taiwan; Institute of Bioinformatics and Systems Biology, National Chiao Tung University, Bioinformatics Program, Taiwan International Graduate Program, Hsinchu, Taiwan
| | - Chien-Yu Lin
- Institute of Statistical Science, Academia Sinica, Taipei, Taiwan
| | - Yan-Si Chen
- Institute of Statistical Science, Academia Sinica, Taipei, Taiwan
| | - Pei-Shan Wu
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan
| | - Chi-Ting Lai
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan
| | | | - Kang-Yi Su
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan; Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Wei-Hung Chang
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei, Taiwan
| | - Pang-Yan Tsai
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei, Taiwan
| | - Ana I Robles
- Office of Cancer Clinical Proteomics Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Henry Rodriguez
- Office of Cancer Clinical Proteomics Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Yi-Jing Hsiao
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Wen-Hsin Chang
- Institute of Molecular Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ting-Yi Sung
- Institute of Information Science, Academia Sinica, Taipei, Taiwan.
| | - Jin-Shing Chen
- Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan.
| | - Sung-Liang Yu
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan; Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan.
| | - Jyoti S Choudhary
- Functional Proteomics Group, Chester Beatty Laboratories, The Institute of Cancer Research, London SW3 6JB, UK.
| | - Hsuan-Yu Chen
- Institute of Statistical Science, Academia Sinica, Taipei, Taiwan; Ph.D. Program in Microbial Genomics, National Chung Hsing University, Taichung, Taiwan.
| | - Pan-Chyr Yang
- Department of Internal Medicine, National Taiwan University, Taipei, Taiwan; Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan.
| | - Yu-Ju Chen
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan; Department of Chemistry, National Taiwan University, Taipei, Taiwan.
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23
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Xiao G, Annor GK, Fung K, Keinänen O, Zeglis BM, Bargonetti J. Targeting Triple Negative Breast Cancer with a Nucleus-Directed p53 Tetramerization Domain Peptide. Mol Pharm 2021; 18:338-346. [PMID: 33289569 PMCID: PMC8068092 DOI: 10.1021/acs.molpharmaceut.0c00978] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Triple negative breast cancer (TNBC) has no targeted detection or treatment method. Mutant p53 (mtp53) is overexpressed in >80% of TNBCs, and the stability of mtp53 compared to the instability of wild-type p53 (wtp53) in normal cells makes mtp53 a promising TNBC target for diagnostic and theranostic imaging. We generated Cy5p53Tet, a novel nucleus-penetrating mtp53-oligomerization-domain peptide (mtp53ODP) to the tetramerization domain (TD) of mtp53. This mtp53ODP contains the p53 TD sequence conjugated to a Cy5 fluorophore for near-infrared fluorescence imaging (NIRF). In vitro co-immunoprecipitation and glutaraldehyde cross-linking showed a direct interaction between mtp53 and Cy5p53Tet. Confocal microscopy and flow cytometry demonstrated higher uptake of Cy5p53Tet in the nuclei of TNBC MDA-MB-468 cells with mtp53 R273H than in ER-positive MCF7 cells with wtp53. Furthermore, depletion of mtp53 R273H caused a decrease in the uptake of Cy5p53Tet in nuclei. In vivo analysis of the peptide in mice bearing MDA-MB-468 xenografts showed that Cy5p53Tet could be detected in tumor tissue 12 min after injection. In these in vivo experiments, significantly higher uptake of Cy5p53Tet was observed in mtp53-expressing MDA-MB-468 xenografts compared with the wtp53-expressing MCF7 tumors. Cy5p53Tet has clinical potential as an intraoperative imaging agent for fluorescence-guided surgery, and the mtp53ODP scaffold shows promise for modification in the future to enable the delivery of a wide variety of payloads including radionuclides and toxins to mtp53-expressing TNBC tumors.
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Affiliation(s)
- Gu Xiao
- Department of Biological Sciences Hunter College, City University of New York, New York, New York 10021, United States
| | - George K Annor
- Department of Biological Sciences Hunter College, City University of New York, New York, New York 10021, United States
- The Graduate Center Biochemistry PhD Program of City University of New York, New York, New York 10016, United States
| | - Kimberly Fung
- Department of Chemistry Hunter College of the City University of New York, New York, New York 10021, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
| | - Outi Keinänen
- Department of Chemistry Hunter College of the City University of New York, New York, New York 10021, United States
| | - Brian M Zeglis
- Department of Chemistry Hunter College of the City University of New York, New York, New York 10021, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10021, United States
| | - Jill Bargonetti
- Department of Biological Sciences Hunter College, City University of New York, New York, New York 10021, United States
- The Graduate Center Biochemistry PhD Program of City University of New York, New York, New York 10016, United States
- Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, New York 10021, United States
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24
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Bargonetti J, Prives C. Gain-of-function mutant p53: history and speculation. J Mol Cell Biol 2020; 11:605-609. [PMID: 31283823 PMCID: PMC6735697 DOI: 10.1093/jmcb/mjz067] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 06/25/2019] [Accepted: 06/25/2019] [Indexed: 12/19/2022] Open
Affiliation(s)
- Jill Bargonetti
- Department of Biological Sciences Hunter College and The Graduate Center, City University of New York, New York, NY 10021, USA
| | - Carol Prives
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
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25
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MCMs in Cancer: Prognostic Potential and Mechanisms. Anal Cell Pathol (Amst) 2020; 2020:3750294. [PMID: 32089988 PMCID: PMC7023756 DOI: 10.1155/2020/3750294] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 01/25/2020] [Indexed: 12/17/2022] Open
Abstract
Enabling replicative immortality and uncontrolled cell cycle are hallmarks of cancer cells. Minichromosome maintenance proteins (MCMs) exhibit helicase activity in replication initiation and play vital roles in controlling replication times within a cell cycle. Overexpressed MCMs are detected in various cancerous tissues and cancer cell lines. Previous studies have proposed MCMs as promising proliferation markers in cancers, while the prognostic values remain controversial and the underlying mechanisms remain unascertained. This review provides an overview of the significant findings regarding the cellular and tumorigenic functions of the MCM family. Besides, current evidence of the prognostic roles of MCMs is retrospectively reviewed. This work also offers insight into the mechanisms of MCMs prompting carcinogenesis and adverse prognosis, providing information for future research. Finally, MCMs in liver cancer are specifically discussed, and future perspectives are provided.
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26
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Xiao G, Lundine D, Annor GK, Canar J, Ellison V, Polotskaia A, Donabedian PL, Reiner T, Khramtsova GF, Olopade OI, Mazo A, Bargonetti J. Gain-of-Function Mutant p53 R273H Interacts with Replicating DNA and PARP1 in Breast Cancer. Cancer Res 2019; 80:394-405. [PMID: 31776133 DOI: 10.1158/0008-5472.can-19-1036] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 09/13/2019] [Accepted: 11/22/2019] [Indexed: 12/25/2022]
Abstract
Over 80% of triple-negative breast cancers (TNBC) express mutant p53 (mtp53) and some contain oncogenic gain-of-function (GOF) p53. We previously reported that GOF mtp53 R273H upregulates the chromatin association of mini chromosome maintenance (MCM) proteins MCM2-7 and PARP and named this the mtp53-PARP-MCM axis. In this study, we dissected the function and association between mtp53 and PARP using a number of different cell lines, patient-derived xenografts (PDX), tissue microarrays (TMA), and The Cancer Genome Atlas (TCGA) database. Endogenous mtp53 R273H and exogenously expressed R273H and R248W bound to nascent 5-ethynyl-2´-deoxyuridine-labeled replicating DNA. Increased mtp53 R273H enhanced the association of mtp53 and PARP on replicating DNA. Blocking poly-ADP-ribose gylcohydrolase also enhanced this association. Moreover, mtp53 R273H expression enhanced overall MCM2 levels, promoted cell proliferation, and improved the synergistic cytotoxicity of treatment with the alkylating agent temozolomide in combination with the PARP inhibitor (PARPi) talazoparib. Staining of p53 and PARP1 in breast cancer TMAs and comparison with the TCGA database indicated a higher double-positive signal in basal-like breast cancer than in luminal A or luminal B subtypes. Higher PARP1 protein levels and PAR proteins were detected in mtp53 R273H than in wild-type p53-expressing PDX samples. These results indicate that mtp53 R273H and PARP1 interact with replicating DNA and should be considered as dual biomarkers for identifying breast cancers that may respond to combination PARPi treatments. SIGNIFICANCE: p53 gain-of-function mutant 273H and PARP1 interact with replication forks and could serve as potential biomarkers for breast cancer sensitivity to PARP inhibitors. GRAPHICAL ABSTRACT: http://cancerres.aacrjournals.org/content/canres/80/3/394/F1.large.jpg.
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Affiliation(s)
- Gu Xiao
- The Department of Biological Sciences Hunter College, Belfer Building, City University of New York, New York, New York
| | - Devon Lundine
- The Department of Biological Sciences Hunter College, Belfer Building, City University of New York, New York, New York.,The Graduate Center Biology and Biochemistry PhD Programs of City University of New York, New York, New York
| | - George K Annor
- The Department of Biological Sciences Hunter College, Belfer Building, City University of New York, New York, New York.,The Graduate Center Biology and Biochemistry PhD Programs of City University of New York, New York, New York
| | - Jorge Canar
- The Department of Biological Sciences Hunter College, Belfer Building, City University of New York, New York, New York
| | - Viola Ellison
- The Department of Biological Sciences Hunter College, Belfer Building, City University of New York, New York, New York
| | - Alla Polotskaia
- The Department of Biological Sciences Hunter College, Belfer Building, City University of New York, New York, New York
| | - Patrick L Donabedian
- Department of Radiology, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Thomas Reiner
- Department of Radiology, Memorial Sloan-Kettering Cancer Center, New York, New York.,Department of Radiology, Weill Cornell Medical College, New York City, New York.,Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York City, New York
| | - Galina F Khramtsova
- Center for Clinical Cancer Genetics and Global Health and Section of Hematology and Oncology, Department of Medicine, University of Chicago, Chicago, Illinois
| | - Olufunmilayo I Olopade
- Center for Clinical Cancer Genetics and Global Health and Section of Hematology and Oncology, Department of Medicine, University of Chicago, Chicago, Illinois
| | - Alexander Mazo
- Department of Biochemistry and Molecular Biology and Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Jill Bargonetti
- The Department of Biological Sciences Hunter College, Belfer Building, City University of New York, New York, New York. .,The Graduate Center Biology and Biochemistry PhD Programs of City University of New York, New York, New York.,Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, New York
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27
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Gao C, Xiao G, Piersigilli A, Gou J, Ogunwobi O, Bargonetti J. Context-dependent roles of MDMX (MDM4) and MDM2 in breast cancer proliferation and circulating tumor cells. Breast Cancer Res 2019; 21:5. [PMID: 30642351 PMCID: PMC6332579 DOI: 10.1186/s13058-018-1094-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 12/27/2018] [Indexed: 12/13/2022] Open
Abstract
INTRODUCTION Many human breast cancers overexpress the E3 ubiquitin ligase MDM2 and its homolog MDMX. Expression of MDM2 and MDMX occurs in estrogen receptor α-positive (ERα+) breast cancer and triple-negative breast cancer (TNBC). There are p53-independent influences of MDM2 and MDMX, and 80% of TNBC express mutant p53 (mtp53). MDM2 drives TNBC circulating tumor cells (CTCs) in mice, but the context-dependent influences of MDM2 and MDMX on different subtypes of breast cancers expressing mtp53 have not been determined. METHODS To assess the context-dependent roles, we carried out MDM2 and MDMX knockdown in orthotopic tumors of TNBC MDA-MB-231 cells expressing mtp53 R280K and MDM2 knockdown in ERα+ T47D cells expressing mtp53 L194F. The corresponding cell proliferation was scored in vitro by growth curves and in vivo by orthotopic tumor volumes. Cell migration was assessed in vitro by wound-healing assays and cell intravasation in vivo by sorting GFP-positive CTCs by flow cytometry. The metastasis gene targets were determined by an RT-PCR array card screen and verified by qRT-PCR and Western blot analysis. RESULTS Knocking down MDMX or MDM2 in MDA-MB-231 cells reduced cell migration and CTC detection, but only MDMX knockdown reduced tumor volumes at early time points. This is the first report of MDMX overexpression in TNBC enhancing the CTC phenotype with correlated upregulation of CXCR4. Experiments were carried out to compare MDM2-knockdown outcomes in nonmetastatic ERα+ T47D cells. The knockdown of MDM2 in ERα+ T47D orthotopic tumors decreased primary tumor volumes, supporting our previous finding that estrogen-activated MDM2 increases cell proliferation. CONCLUSIONS This is the first report showing that the expression of MDM2 in ERα+ breast cancer and TNBC can result in different tumor-promoting outcomes. Both MDMX and MDM2 overexpression in TNBC MDA-MB-231 cells enhanced the CTC phenotype. These data indicate that both MDM2 and MDMX can promote TNBC metastasis and that it is important to consider the context-dependent roles of MDM2 family members in different subtypes of breast cancer.
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Affiliation(s)
- Chong Gao
- Graduate Center Biology Program, Hunter College, City University of New York, Belfer Building, New York, NY, USA
- Department of Biological Sciences, Hunter College and Weill Cornell Medical College, City University of New York, 413 East 69th Street, Belfer Building, New York, NY, 10021, USA
| | - Gu Xiao
- Department of Biological Sciences, Hunter College and Weill Cornell Medical College, City University of New York, 413 East 69th Street, Belfer Building, New York, NY, 10021, USA
| | - Alessandra Piersigilli
- Laboratory of Comparative Pathology, Rockefeller University, Weill Cornell Medicine and Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Jiangtao Gou
- Department of Mathematics and Statistics, Hunter College, City University of New York, Belfer Building, New York, NY, USA
| | - Olorunseun Ogunwobi
- Graduate Center Biology Program, Hunter College, City University of New York, Belfer Building, New York, NY, USA
- Department of Biological Sciences, Hunter College and Weill Cornell Medical College, City University of New York, 413 East 69th Street, Belfer Building, New York, NY, 10021, USA
| | - Jill Bargonetti
- Graduate Center Biology Program, Hunter College, City University of New York, Belfer Building, New York, NY, USA.
- Department of Biological Sciences, Hunter College and Weill Cornell Medical College, City University of New York, 413 East 69th Street, Belfer Building, New York, NY, 10021, USA.
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28
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Mughal MJ, Mahadevappa R, Kwok HF. DNA replication licensing proteins: Saints and sinners in cancer. Semin Cancer Biol 2018; 58:11-21. [PMID: 30502375 DOI: 10.1016/j.semcancer.2018.11.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 11/08/2018] [Accepted: 11/26/2018] [Indexed: 12/12/2022]
Abstract
DNA replication is all-or-none process in the cell, meaning, once the DNA replication begins it proceeds to completion. Hence, to achieve maximum control of DNA replication, eukaryotic cells employ a multi-subunit initiator protein complex known as "pre-replication complex or DNA replication licensing complex (DNA replication LC). This complex involves multiple proteins which are origin-recognition complex family proteins, cell division cycle-6, chromatin licensing and DNA replication factor 1, and minichromosome maintenance family proteins. Higher-expression of DNA replication LC proteins appears to be an early event during development of cancer since it has been a common hallmark observed in a wide variety of cancers such as oesophageal, laryngeal, pulmonary, mammary, colorectal, renal, urothelial etc. However, the exact mechanisms leading to the abnormally high expression of DNA replication LC have not been clearly deciphered. Increased expression of DNA replication LC leads to licensing and/or firing of multiple origins thereby inducing replication stress and genomic instability. Therapeutic approaches where the reduction in the activity of DNA replication LC was achieved either by siRNA or shRNA techniques, have shown increased sensitivity of cancer cell lines towards the anti-cancer drugs such as cisplatin, 5-Fluorouracil, hydroxyurea etc. Thus, the expression level of DNA replication LC within the cell determines a cell's fate thereby creating a paradox where DNA replication LC acts as both "Saint" and "Sinner". With a potential to increase sensitivity to chemotherapy drugs, DNA replication LC proteins have prospective clinical importance in fighting cancer. Hence, in this review, we will shed light on importance of DNA replication LC with an aim to use DNA replication LC in diagnosis and prognosis of cancer in patients as well as possible therapeutic targets for cancer therapy.
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Affiliation(s)
- Muhammad Jameel Mughal
- Cancer Centre, Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macau
| | - Ravikiran Mahadevappa
- Cancer Centre, Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macau
| | - Hang Fai Kwok
- Cancer Centre, Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macau.
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29
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Wang Q, Li Q, Liu T, Chang G, Sun Z, Gao Z, Wang F, Zhou H, Liu R, Zheng M, Cui H, Chen G, Li H, Yuan X, Wen J, Peng D, Zhao G. Host Interaction Analysis of PA-N155 and PA-N182 in Chicken Cells Reveals an Essential Role of UBA52 for Replication of H5N1 Avian Influenza Virus. Front Microbiol 2018; 9:936. [PMID: 29867845 PMCID: PMC5963055 DOI: 10.3389/fmicb.2018.00936] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 04/23/2018] [Indexed: 01/17/2023] Open
Abstract
PA-N155 and PA-N182 proteins were translated from the 11th and 13th start codon AUG of the RNA polymerase acidic protein (PA) mRNA of H5N1 influenza A virus (IAV), which plays an important role in viral replication. Little is known about the interactions between PA-N155 and PA-N182 and the host proteins. This study investigated the interaction landscape of PA-N155 and PA-N182 of H5N1 IAV in chicken cells while their interacting complexes were captured by immunoprecipitation and analyzed by mass spectrometry. A total of 491 (PA-N155) and 302 (PA-N182) interacting proteins were identified. Gene ontology and pathway enrichment analyses showed that proteins of the two interactomes were enriched in RNA processing, viral processing and protein transport, and proteins related to signaling pathways of proteasome, ribosome, and aminoacy1-tRNA biosynthesis were significantly enriched, suggesting their potential roles in H5N1 IAV infection. Comparative analysis of the interactome of PA, PA-N155, and PA-N182 identified UBA52 as a conserved host factor that interacted with all three viral proteins. UBA52 is a fusion protein consisting of ubiquitin at the N terminus and ribosomal protein L40 at the C terminus. Knockdown of UBA52 significantly decreased the titer of H5N1 IAV in chicken cells and was accompanied with attenuated production of proinflammatory cytokines. Our analyses of the influenza–host protein interactomes identified UBA52 as a PA interaction protein for virus replication.
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Affiliation(s)
- Qiao Wang
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Beijing, China
| | - Qinghe Li
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Beijing, China
| | - Tao Liu
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guobin Chang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Zhihao Sun
- School of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Zhao Gao
- School of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Fei Wang
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Beijing, China
| | - Huaijun Zhou
- Department of Animal Sciences, College of Agricultural and Environmental Sciences, University of California, Davis, Davis, CA, United States
| | - Ranran Liu
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Beijing, China
| | - Maiqing Zheng
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Beijing, China
| | - Huanxian Cui
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Beijing, China
| | - Guohong Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Hua Li
- School of Life Sciences and Engineering, Foshan University, Foshan, China
| | - Xiaoya Yuan
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Jie Wen
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Beijing, China
| | - Daxin Peng
- School of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Guiping Zhao
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Beijing, China.,School of Life Sciences and Engineering, Foshan University, Foshan, China
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30
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Gou K, Liu J, Feng X, Li H, Yuan Y, Xing C. Expression of Minichromosome Maintenance Proteins (MCM) and Cancer Prognosis: A meta-analysis. J Cancer 2018; 9:1518-1526. [PMID: 29721062 PMCID: PMC5929097 DOI: 10.7150/jca.22691] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 01/19/2018] [Indexed: 01/08/2023] Open
Abstract
Minichromosome maintenance proteins (MCM) played a critical role in replication and cell cycle progression. However, their prognostic roles in cancer remain controversial. Therefore, we performed a meta-analysis to investigate the prognostic value of MCMs in cancers. Totally 31 eligible articles with 7653 cancer patients were included in this meta-analysis. We evaluated the relationship between MCMs expression and overall survival (OS) in various cancer patients by using pooled hazard ratios (HRs) and risk ratios (RRs) with 95% confidence intervals (CIs). The meta-analysis showed that carriers with high expression of MCM5 and MCM7 were significantly associated with short OS for pooled HR (HR=1.04, 95% CI=1.01-1.08, P=0.020, HR=1.78, 95% CI=1.04-3.02, P=0.035, respectively). For pooled RR, individuals with increased MCM2 and MCM7 expression were significantly correlated with poor OS (RR=2.30, 95% CI=1.14-4.63, P=0.019; RR=3.52, 95% CI=2.01-6.18, P<0.001, respectively). The findings suggest that high expression of MCM2, MCM5 and MCM7 might serve as predictive biomarkers for poor prognosis in cancers.
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Affiliation(s)
- Kaihua Gou
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Affiliated Hospital of China Medical University, and Key Laboratory of Cancer Etiology and Prevention (China Medical University), Liaoning Provincial Education Department, Shenyang 110001, China
| | - Jingwei Liu
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Affiliated Hospital of China Medical University, and Key Laboratory of Cancer Etiology and Prevention (China Medical University), Liaoning Provincial Education Department, Shenyang 110001, China
| | - Xue Feng
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Affiliated Hospital of China Medical University, and Key Laboratory of Cancer Etiology and Prevention (China Medical University), Liaoning Provincial Education Department, Shenyang 110001, China
| | - Hao Li
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Affiliated Hospital of China Medical University, and Key Laboratory of Cancer Etiology and Prevention (China Medical University), Liaoning Provincial Education Department, Shenyang 110001, China
| | - Yuan Yuan
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Affiliated Hospital of China Medical University, and Key Laboratory of Cancer Etiology and Prevention (China Medical University), Liaoning Provincial Education Department, Shenyang 110001, China
| | - Chengzhong Xing
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Affiliated Hospital of China Medical University, and Key Laboratory of Cancer Etiology and Prevention (China Medical University), Liaoning Provincial Education Department, Shenyang 110001, China
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31
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Seo YS, Kang YH. The Human Replicative Helicase, the CMG Complex, as a Target for Anti-cancer Therapy. Front Mol Biosci 2018; 5:26. [PMID: 29651420 PMCID: PMC5885281 DOI: 10.3389/fmolb.2018.00026] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 03/12/2018] [Indexed: 12/14/2022] Open
Abstract
DNA helicases unwind or rearrange duplex DNA during replication, recombination and repair. Helicases of many pathogenic organisms such as viruses, bacteria, and protozoa have been studied as potential therapeutic targets to treat infectious diseases, and human DNA helicases as potential targets for anti-cancer therapy. DNA replication machineries perform essential tasks duplicating genome in every cell cycle, and one of the important functions of these machineries are played by DNA helicases. Replicative helicases are usually multi-subunit protein complexes, and the minimal complex active as eukaryotic replicative helicase is composed of 11 subunits, requiring a functional assembly of two subcomplexes and one protein. The hetero-hexameric MCM2-7 helicase is activated by forming a complex with Cdc45 and the hetero-tetrameric GINS complex; the Cdc45-Mcm2-7-GINS (CMG) complex. The CMG complex can be a potential target for a treatment of cancer and the feasibility of this replicative helicase as a therapeutic target has been tested recently. Several different strategies have been implemented and are under active investigations to interfere with helicase activity of the CMG complex. This review focuses on the molecular function of the CMG helicase during DNA replication and its relevance to cancers based on data published in the literature. In addition, current efforts made to identify small molecules inhibiting the CMG helicase to develop anti-cancer therapeutic strategies were summarized, with new perspectives to advance the discovery of the CMG-targeting drugs.
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Affiliation(s)
- Yeon-Soo Seo
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Young-Hoon Kang
- Core Protein Resources Center, Daegu Gyeongbuk Institute of Science and Technology, Daegu, South Korea
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32
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Abstract
Crucial, natural protection against tumour onset in humans is orchestrated by the dynamic protein p53. The best-characterised functions of p53 relate to its cellular stress responses. In this review, we explore emerging insights into p53 activities and their functional consequences. We compare p53 in humans and elephants, in search of salient features of cancer protection.
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Affiliation(s)
- Sue Haupt
- Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Australia.,Tumor Suppression Laboratory, Peter MacCallum Cancer Centre, Melbourne, Australia
| | - Ygal Haupt
- Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Australia.,Tumor Suppression Laboratory, Peter MacCallum Cancer Centre, Melbourne, Australia.,Department of Biochemistry and Molecular Biology, Monash University, Melbourne, Australia.,Department of Pathology, University of Melbourne, Parkville, Australia
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