1
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Lau TT, Ma HT, Poon RY. Kinesins regulate the heterogeneity in centrosome clustering after whole-genome duplication. Life Sci Alliance 2024; 7:e202402670. [PMID: 39074902 PMCID: PMC11287020 DOI: 10.26508/lsa.202402670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 07/20/2024] [Accepted: 07/22/2024] [Indexed: 07/31/2024] Open
Abstract
After whole-genome duplication (WGD), tetraploid cells can undergo multipolar mitosis or pseudo-bipolar mitosis with clustered centrosomes. Kinesins play a crucial role in regulating spindle formation. However, the contribution of kinesin expression levels to the heterogeneity in centrosome clustering observed across different cell lines after WGD remains unclear. We identified two subsets of cell lines: "BP" cells efficiently cluster extra centrosomes for pseudo-bipolar mitosis, and "MP" cells primarily undergo multipolar mitosis after WGD. Diploid MP cells contained higher levels of KIF11 and KIF15 compared with BP cells and showed reduced sensitivity to centrosome clustering induced by KIF11 inhibitors. Moreover, partial inhibition of KIF11 or depletion of KIF15 converted MP cells from multipolar to bipolar mitosis after WGD. Multipolar spindle formation involved microtubules but was independent of kinetochore-microtubule attachment. Silencing KIFC1, but not KIFC3, promoted multipolar mitosis in BP cells, indicating the involvement of specific kinesin-14 family members in counteracting the forces from KIF11/KIF15 after WGD. These findings highlight the collective role of KIF11, KIF15, and KIFC1 in determining the polarity of the mitotic spindle after WGD.
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Affiliation(s)
- Thomas Ty Lau
- https://ror.org/00q4vv597 Division of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong
| | - Hoi Tang Ma
- Department of Pathology, The University of Hong Kong, Pok Fu Lam, Hong Kong
- State Key Laboratory of Liver Research, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Randy Yc Poon
- https://ror.org/00q4vv597 Division of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong
- https://ror.org/00q4vv597 State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong
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2
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Schuyler SC, Chen HY, Chang KP. Suppressing Anaphase-Promoting Complex/Cyclosome-Cell Division Cycle 20 Activity to Enhance the Effectiveness of Anti-Cancer Drugs That Induce Multipolar Mitotic Spindles. Int J Mol Sci 2024; 25:6329. [PMID: 38928036 PMCID: PMC11203710 DOI: 10.3390/ijms25126329] [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: 05/07/2024] [Revised: 06/03/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
Paclitaxel induces multipolar spindles at clinically relevant doses but does not substantially increase mitotic indices. Paclitaxel's anti-cancer effects are hypothesized to occur by promoting chromosome mis-segregation on multipolar spindles leading to apoptosis, necrosis and cyclic-GMP-AMP Synthase-Stimulator of Interferon Genes (cGAS-STING) pathway activation in daughter cells, leading to secretion of type I interferon (IFN) and immunogenic cell death. Eribulin and vinorelbine have also been reported to cause increases in multipolar spindles in cancer cells. Recently, suppression of Anaphase-Promoting Complex/Cyclosome-Cell Division Cycle 20 (APC/C-CDC20) activity using CRISPR/Cas9 mutagenesis has been reported to increase sensitivity to Kinesin Family 18a (KIF18a) inhibition, which functions to suppress multipolar mitotic spindles in cancer cells. We propose that a way to enhance the effectiveness of anti-cancer agents that increase multipolar spindles is by suppressing the APC/C-CDC20 to delay, but not block, anaphase entry. Delaying anaphase entry in genomically unstable cells may enhance multipolar spindle-induced cell death. In genomically stable healthy human cells, delayed anaphase entry may suppress the level of multipolar spindles induced by anti-cancer drugs and lower mitotic cytotoxicity. We outline specific combinations of molecules to investigate that may achieve the goal of enhancing the effectiveness of anti-cancer agents.
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Affiliation(s)
- Scott C. Schuyler
- Department of Biomedical Sciences, College of Medicine, Chang Gung University, Kwei-Shan, Taoyuan 333, Taiwan
- Department of Otolaryngology—Head and Neck Surgery, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
| | - Hsin-Yu Chen
- Department of Biomedical Sciences, College of Medicine, Chang Gung University, Kwei-Shan, Taoyuan 333, Taiwan
| | - Kai-Ping Chang
- Department of Otolaryngology—Head and Neck Surgery, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
- Molecular Medicine Research Center, Chang Gung University, Taoyuan 333, Taiwan
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3
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Athwal H, Kochiyanil A, Bhat V, Allan AL, Parsyan A. Centrosomes and associated proteins in pathogenesis and treatment of breast cancer. Front Oncol 2024; 14:1370565. [PMID: 38606093 PMCID: PMC11007099 DOI: 10.3389/fonc.2024.1370565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 03/04/2024] [Indexed: 04/13/2024] Open
Abstract
Breast cancer is the most prevalent malignancy among women worldwide. Despite significant advances in treatment, it remains one of the leading causes of female mortality. The inability to effectively treat advanced and/or treatment-resistant breast cancer demonstrates the need to develop novel treatment strategies and targeted therapies. Centrosomes and their associated proteins have been shown to play key roles in the pathogenesis of breast cancer and thus represent promising targets for drug and biomarker development. Centrosomes are fundamental cellular structures in the mammalian cell that are responsible for error-free execution of cell division. Centrosome amplification and aberrant expression of its associated proteins such as Polo-like kinases (PLKs), Aurora kinases (AURKs) and Cyclin-dependent kinases (CDKs) have been observed in various cancers, including breast cancer. These aberrations in breast cancer are thought to cause improper chromosomal segregation during mitosis, leading to chromosomal instability and uncontrolled cell division, allowing cancer cells to acquire new genetic changes that result in evasion of cell death and the promotion of tumor formation. Various chemical compounds developed against PLKs and AURKs have shown meaningful antitumorigenic effects in breast cancer cells in vitro and in vivo. The mechanism of action of these inhibitors is likely related to exacerbation of numerical genomic instability, such as aneuploidy or polyploidy. Furthermore, growing evidence demonstrates enhanced antitumorigenic effects when inhibitors specific to centrosome-associated proteins are used in combination with either radiation or chemotherapy drugs in breast cancer. This review focuses on the current knowledge regarding the roles of centrosome and centrosome-associated proteins in breast cancer pathogenesis and their utility as novel targets for breast cancer treatment.
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Affiliation(s)
- Harjot Athwal
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Arpitha Kochiyanil
- Faculty of Science, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Vasudeva Bhat
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
- London Regional Cancer Program, London Health Sciences Centre, Lawson Health Research Institute, London, ON, Canada
| | - Alison L. Allan
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
- London Regional Cancer Program, London Health Sciences Centre, Lawson Health Research Institute, London, ON, Canada
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Armen Parsyan
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
- London Regional Cancer Program, London Health Sciences Centre, Lawson Health Research Institute, London, ON, Canada
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
- Division of General Surgery, Department of Surgery, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
- Department of Surgery, St. Joseph’s Health Care London and London Health Sciences Centre, London, ON, Canada
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4
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Gao W, Lu J, Yang Z, Li E, Cao Y, Xie L. Mitotic Functions and Characters of KIF11 in Cancers. Biomolecules 2024; 14:386. [PMID: 38672404 PMCID: PMC11047945 DOI: 10.3390/biom14040386] [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: 02/07/2024] [Revised: 03/20/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
Mitosis mediates the accurate separation of daughter cells, and abnormalities are closely related to cancer progression. KIF11, a member of the kinesin family, plays a vital role in the formation and maintenance of the mitotic spindle. Recently, an increasing quantity of data have demonstrated the upregulated expression of KIF11 in various cancers, promoting the emergence and progression of cancers. This suggests the great potential of KIF11 as a prognostic biomarker and therapeutic target. However, the molecular mechanisms of KIF11 in cancers have not been systematically summarized. Therefore, we first discuss the functions of the protein encoded by KIF11 during mitosis and connect the abnormal expression of KIF11 with its clinical significance. Then, we elucidate the mechanism of KIF11 to promote various hallmarks of cancers. Finally, we provide an overview of KIF11 inhibitors and outline areas for future work.
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Affiliation(s)
| | | | | | | | - Yufei Cao
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, China; (W.G.); (J.L.); (Z.Y.); (E.L.)
| | - Lei Xie
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, China; (W.G.); (J.L.); (Z.Y.); (E.L.)
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5
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Nithianantham S, Iwanski MK, Gaska I, Pandey H, Bodrug T, Inagaki S, Major J, Brouhard GJ, Gheber L, Rosenfeld SS, Forth S, Hendricks AG, Al-Bassam J. The kinesin-5 tail and bipolar minifilament domains are the origin of its microtubule crosslinking and sliding activity. Mol Biol Cell 2023; 34:ar111. [PMID: 37610838 PMCID: PMC10559304 DOI: 10.1091/mbc.e23-07-0287] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/07/2023] [Accepted: 08/15/2023] [Indexed: 08/25/2023] Open
Abstract
Kinesin-5 crosslinks and slides apart microtubules to assemble, elongate, and maintain the mitotic spindle. Kinesin-5 is a tetramer, where two N-terminal motor domains are positioned at each end of the motor, and the coiled-coil stalk domains are organized into a tetrameric bundle through the bipolar assembly (BASS) domain. To dissect the function of the individual structural elements of the motor, we constructed a minimal kinesin-5 tetramer (mini-tetramer). We determined the x-ray structure of the extended, 34-nm BASS domain. Guided by these structural studies, we generated active bipolar kinesin-5 mini-tetramer motors from Drosophila melanogastor and human orthologues which are half the length of native kinesin-5. We then used these kinesin-5 mini-tetramers to examine the role of two unique structural adaptations of kinesin-5: 1) the length and flexibility of the tetramer, and 2) the C-terminal tails which interact with the motor domains to coordinate their ATPase activity. The C-terminal domain causes frequent pausing and clustering of kinesin-5. By comparing microtubule crosslinking and sliding by mini-tetramer and full-length kinesin-5, we find that both the length and flexibility of kinesin-5 and the C-terminal tails govern its ability to crosslink microtubules. Once crosslinked, stiffer mini-tetramers slide antiparallel microtubules more efficiently than full-length motors.
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Affiliation(s)
- Stanley Nithianantham
- Department of Molecular and Cellular Biology, University of California, Davis, CA 95616
| | - Malina K. Iwanski
- Departments of Biology and Bioengineering, McGill University, Montreal, Quebec Canada H3A 1B1
| | - Ignas Gaska
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180
| | - Himanshu Pandey
- Department of Molecular and Cellular Biology, University of California, Davis, CA 95616
| | - Tatyana Bodrug
- Department of Molecular and Cellular Biology, University of California, Davis, CA 95616
| | - Sayaka Inagaki
- Department of Pharmacology, Mayo Clinic, Jacksonville, FL 32224
| | - Jennifer Major
- Department of Pharmacology, Mayo Clinic, Jacksonville, FL 32224
| | - Gary J. Brouhard
- Departments of Biology and Bioengineering, McGill University, Montreal, Quebec Canada H3A 1B1
| | - Larissa Gheber
- Department of Chemistry, The Ben Gurion University, Ber Sheva, Israel
| | | | - Scott Forth
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180
| | - Adam G. Hendricks
- Departments of Biology and Bioengineering, McGill University, Montreal, Quebec Canada H3A 1B1
| | - Jawdat Al-Bassam
- Department of Molecular and Cellular Biology, University of California, Davis, CA 95616
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6
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Theile L, Li X, Dang H, Mersch D, Anders S, Schiebel E. Centrosome linker diversity and its function in centrosome clustering and mitotic spindle formation. EMBO J 2023; 42:e109738. [PMID: 37401899 PMCID: PMC10476278 DOI: 10.15252/embj.2021109738] [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: 09/16/2021] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/05/2023] Open
Abstract
The centrosome linker joins the two interphase centrosomes of a cell into one microtubule organizing center. Despite increasing knowledge on linker components, linker diversity in different cell types and their role in cells with supernumerary centrosomes remained unexplored. Here, we identified Ninein as a C-Nap1-anchored centrosome linker component that provides linker function in RPE1 cells while in HCT116 and U2OS cells, Ninein and Rootletin link centrosomes together. In interphase, overamplified centrosomes use the linker for centrosome clustering, where Rootletin gains centrosome linker function in RPE1 cells. Surprisingly, in cells with centrosome overamplification, C-Nap1 loss prolongs metaphase through persistent activation of the spindle assembly checkpoint indicated by BUB1 and MAD1 accumulation at kinetochores. In cells lacking C-Nap1, the reduction of microtubule nucleation at centrosomes and the delay in nuclear envelop rupture in prophase probably cause mitotic defects like multipolar spindle formation and chromosome mis-segregation. These defects are enhanced when the kinesin HSET, which normally clusters multiple centrosomes in mitosis, is partially inhibited indicating a functional interplay between C-Nap1 and centrosome clustering in mitosis.
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Affiliation(s)
- Laura Theile
- Zentrum für Molekulare Biologie der Universität Heidelberg (ZMBH), Deutsches Krebsforschungszentrum (DKFZ)‐ZMBH AllianzUniversität HeidelbergHeidelbergGermany
- Heidelberg Biosciences International Graduate School (HBIGS)Universität HeidelbergHeidelbergGermany
| | - Xue Li
- Zentrum für Molekulare Biologie der Universität Heidelberg (ZMBH), Deutsches Krebsforschungszentrum (DKFZ)‐ZMBH AllianzUniversität HeidelbergHeidelbergGermany
- Present address:
Laboratory for Cell Polarity RegulationRIKEN Center for Biosystems Dynamics ResearchOsakaJapan
| | - Hairuo Dang
- Zentrum für Molekulare Biologie der Universität Heidelberg (ZMBH), Deutsches Krebsforschungszentrum (DKFZ)‐ZMBH AllianzUniversität HeidelbergHeidelbergGermany
- Cell Biology and Biophysics UnitEuropean Molecular Biology Laboratory (EMBL)HeidelbergGermany
| | | | - Simon Anders
- Bioquant CenterUniversity of HeidelbergHeidelbergGermany
| | - Elmar Schiebel
- Zentrum für Molekulare Biologie der Universität Heidelberg (ZMBH), Deutsches Krebsforschungszentrum (DKFZ)‐ZMBH AllianzUniversität HeidelbergHeidelbergGermany
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7
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Bloomfield M, Cimini D. The fate of extra centrosomes in newly formed tetraploid cells: should I stay, or should I go? Front Cell Dev Biol 2023; 11:1210983. [PMID: 37576603 PMCID: PMC10413984 DOI: 10.3389/fcell.2023.1210983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 07/17/2023] [Indexed: 08/15/2023] Open
Abstract
An increase in centrosome number is commonly observed in cancer cells, but the role centrosome amplification plays along with how and when it occurs during cancer development is unclear. One mechanism for generating cancer cells with extra centrosomes is whole genome doubling (WGD), an event that occurs in over 30% of human cancers and is associated with poor survival. Newly formed tetraploid cells can acquire extra centrosomes during WGD, and a generally accepted model proposes that centrosome amplification in tetraploid cells promotes cancer progression by generating aneuploidy and chromosomal instability. Recent findings, however, indicate that newly formed tetraploid cells in vitro lose their extra centrosomes to prevent multipolar cell divisions. Rather than persistent centrosome amplification, this evidence raises the possibility that it may be advantageous for tetraploid cells to initially restore centrosome number homeostasis and for a fraction of the population to reacquire additional centrosomes in the later stages of cancer evolution. In this review, we explore the different evolutionary paths available to newly formed tetraploid cells, their effects on centrosome and chromosome number distribution in daughter cells, and their probabilities of long-term survival. We then discuss the mechanisms that may alter centrosome and chromosome numbers in tetraploid cells and their relevance to cancer progression following WGD.
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Affiliation(s)
- Mathew Bloomfield
- Department of Biological Sciences and Fralin Life Sciences Institute, Virginia Tech, Blacksburg, VA, United States
| | - Daniela Cimini
- Department of Biological Sciences and Fralin Life Sciences Institute, Virginia Tech, Blacksburg, VA, United States
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8
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Steiert B, Icardi CM, Faris R, McCaslin PN, Smith P, Klingelhutz AJ, Yau PM, Weber MM. The Chlamydia trachomatis type III-secreted effector protein CteG induces centrosome amplification through interactions with centrin-2. Proc Natl Acad Sci U S A 2023; 120:e2303487120. [PMID: 37155906 PMCID: PMC10193975 DOI: 10.1073/pnas.2303487120] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 04/11/2023] [Indexed: 05/10/2023] Open
Abstract
The centrosome is the main microtubule organizing center of the cell and is crucial for mitotic spindle assembly, chromosome segregation, and cell division. Centrosome duplication is tightly controlled, yet several pathogens, most notably oncogenic viruses, perturb this process leading to increased centrosome numbers. Infection by the obligate intracellular bacterium Chlamydia trachomatis (C.t.) correlates with blocked cytokinesis, supernumerary centrosomes, and multipolar spindles; however, the mechanisms behind how C.t. induces these cellular abnormalities remain largely unknown. Here we show that the secreted effector protein, CteG, binds to centrin-2 (CETN2), a key structural component of centrosomes and regulator of centriole duplication. Our data indicate that both CteG and CETN2 are necessary for infection-induced centrosome amplification, in a manner that requires the C-terminus of CteG. Strikingly, CteG is important for in vivo infection and growth in primary cervical cells but is dispensable for growth in immortalized cells, highlighting the importance of this effector protein to chlamydial infection. These findings begin to provide mechanistic insight into how C.t. induces cellular abnormalities during infection, but also indicate that obligate intracellular bacteria may contribute to cellular transformation events. Centrosome amplification mediated by CteG-CETN2 interactions may explain why chlamydial infection leads to an increased risk of cervical or ovarian cancer.
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Affiliation(s)
- Brianna Steiert
- Department of Microbiology and Immunology, University of Iowa Carver College of Medicine, Iowa City, IA52242
| | - Carolina M. Icardi
- Department of Microbiology and Immunology, University of Iowa Carver College of Medicine, Iowa City, IA52242
| | - Robert Faris
- Department of Microbiology and Immunology, University of Iowa Carver College of Medicine, Iowa City, IA52242
| | - Paige N. McCaslin
- Department of Microbiology and Immunology, University of Iowa Carver College of Medicine, Iowa City, IA52242
| | - Parker Smith
- Department of Microbiology and Immunology, University of Iowa Carver College of Medicine, Iowa City, IA52242
| | - Aloysius J. Klingelhutz
- Department of Microbiology and Immunology, University of Iowa Carver College of Medicine, Iowa City, IA52242
| | - Peter M. Yau
- Carver Biotechnology Center–Protein Sciences Facility, University of Illinois at Urbana–Champaign, Urbana, IL61801
| | - Mary M. Weber
- Department of Microbiology and Immunology, University of Iowa Carver College of Medicine, Iowa City, IA52242
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9
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Chowdhury SR, Koley T, Singh M, Samath EA, Kaur P. Association of Hsp90 with p53 and Fizzy related homolog (Fzr) synchronizing Anaphase Promoting Complex (APC/C): An unexplored ally towards oncogenic pathway. Biochim Biophys Acta Rev Cancer 2023; 1878:188883. [PMID: 36972769 DOI: 10.1016/j.bbcan.2023.188883] [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: 09/03/2022] [Revised: 02/24/2023] [Accepted: 02/25/2023] [Indexed: 03/29/2023]
Abstract
The intricate molecular interactions leading to the oncogenic pathway are the consequence of cell cycle modification controlled by a bunch of cell cycle regulatory proteins. The tumor suppressor and cell cycle regulatory proteins work in coordination to maintain a healthy cellular environment. The integrity of this cellular protein pool is perpetuated by heat shock proteins/chaperones, which assist in proper protein folding during normal and cellular stress conditions. Among these versatile groups of chaperone proteins, Hsp90 is one of the significant ATP-dependent chaperones that aid in stabilizing many tumor suppressors and cell cycle regulator protein targets. Recently, studies have revealed that in cancerous cell lines, Hsp90 stabilizes mutant p53, 'the guardian of the genome.' Hsp90 also has a significant impact on Fzr, an essential regulator of the cell cycle having an important role in the developmental process of various organisms, including Drosophila, yeast, Caenorhabditis elegans, and plants. During cell cycle progression, p53 and Fzr coordinately regulate the Anaphase Promoting Complex (APC/C) from metaphase to anaphase transition up to cell cycle exit. APC/C mediates proper centrosome function in the dividing cell. The centrosome acts as the microtubule organizing center for the correct segregation of the sister chromatids to ensure perfect cell division. This review examines the structure of Hsp90 and its co-chaperones, which work in synergy to stabilize proteins such as p53 and Fizzy-related homolog (Fzr) to synchronize the Anaphase Promoting Complex (APC/C). Dysfunction of this process activates the oncogenic pathway leading to the development of cancer. Additionally, an overview of current drugs targeting Hsp90 at various phases of clinical trials has been included.
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Affiliation(s)
- Sanghati Roy Chowdhury
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Tirthankar Koley
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Mandeep Singh
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | | | - Punit Kaur
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India.
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10
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Sharma N, Setiawan D, Hamelberg D, Narayan R, Aneja R. Computational benchmarking of putative KIFC1 inhibitors. Med Res Rev 2023; 43:293-318. [PMID: 36104980 DOI: 10.1002/med.21926] [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: 11/25/2021] [Revised: 08/06/2022] [Accepted: 08/17/2022] [Indexed: 02/05/2023]
Abstract
The centrosome in animal cells is instrumental in spindle pole formation, nucleation, proper alignment of microtubules during cell division, and distribution of chromosomes in each daughter cell. Centrosome amplification involving structural and numerical abnormalities in the centrosome can cause chromosomal instability and dysregulation of the cell cycle, leading to cancer development and metastasis. However, disturbances caused by centrosome amplification can also limit cancer cell survival by activating mitotic checkpoints and promoting mitotic catastrophe. As a smart escape, cancer cells cluster their surplus of centrosomes into pseudo-bipolar spindles and progress through the cell cycle. This phenomenon, known as centrosome clustering (CC), involves many proteins and has garnered considerable attention as a specific cancer cell-targeting weapon. The kinesin-14 motor protein KIFC1 is a minus end-directed motor protein that is involved in CC. Because KIFC1 is upregulated in various cancers and modulates oncogenic signaling cascades, it has emerged as a potential chemotherapeutic target. Many molecules have been identified as KIFC1 inhibitors because of their centrosome declustering activity in cancer cells. Despite the ever-increasing literature in this field, there have been few efforts to review the progress. The current review aims to collate and present an in-depth analysis of known KIFC1 inhibitors and their biological activities. Additionally, we present computational docking data of putative KIFC1 inhibitors with their binding sites and binding affinities. This first-of-kind comparative analysis involving experimental biology, chemistry, and computational docking of different KIFC1 inhibitors may help guide decision-making in the selection and design of potent inhibitors.
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Affiliation(s)
- Nivya Sharma
- Department of Biology, Georgia State University, Atlanta, Georgia, USA
| | - Dani Setiawan
- Department of Chemistry, Georgia State University, Atlanta, Georgia, USA
| | - Donald Hamelberg
- Department of Chemistry, Georgia State University, Atlanta, Georgia, USA
| | - Rishikesh Narayan
- School of Chemical and Materials Sciences, Indian Institute of Technology Goa, Goa, India.,School of Interdisciplinary Life Sciences, Indian Institute of Technology Goa, Goa, India
| | - Ritu Aneja
- Department of Biology, Georgia State University, Atlanta, Georgia, USA.,Department of Clinical and Diagnostic Sciences, School of Health Professions, University of Alabama at Birmingham, Birmingham, AL, USA
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11
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Saint-Dizier F, Matthews TP, Gregson AM, Prevet H, McHardy T, Colombano G, Saville H, Rowlands M, Ewens C, McAndrew PC, Tomlin K, Guillotin D, Mak GWY, Drosopoulos K, Poursaitidis I, Burke R, van Montfort R, Linardopoulos S, Collins I. Discovery of 2-(3-Benzamidopropanamido)thiazole-5-carboxylate Inhibitors of the Kinesin HSET (KIFC1) and the Development of Cellular Target Engagement Probes. J Med Chem 2023; 66:2622-2645. [PMID: 36749938 PMCID: PMC9969401 DOI: 10.1021/acs.jmedchem.2c01591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Indexed: 02/09/2023]
Abstract
The existence of multiple centrosomes in some cancer cells can lead to cell death through the formation of multipolar mitotic spindles and consequent aberrant cell division. Many cancer cells rely on HSET (KIFC1) to cluster the extra centrosomes into two groups to mimic the bipolar spindle formation of non-centrosome-amplified cells and ensure their survival. Here, we report the discovery of a novel 2-(3-benzamidopropanamido)thiazole-5-carboxylate with micromolar in vitro inhibition of HSET (KIFC1) through high-throughput screening and its progression to ATP-competitive compounds with nanomolar biochemical potency and high selectivity against the opposing mitotic kinesin Eg5. Induction of the multipolar phenotype was shown in centrosome-amplified human cancer cells treated with these inhibitors. In addition, a suitable linker position was identified to allow the synthesis of both fluorescent- and trans-cyclooctene (TCO)-tagged probes, which demonstrated direct compound binding to the HSET protein and confirmed target engagement in cells, through a click-chemistry approach.
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Affiliation(s)
- François Saint-Dizier
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Thomas P. Matthews
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Aaron M. Gregson
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Hugues Prevet
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Tatiana McHardy
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Giampiero Colombano
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Harry Saville
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Martin Rowlands
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Caroline Ewens
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - P. Craig McAndrew
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Kathy Tomlin
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Delphine Guillotin
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Grace Wing-Yan Mak
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | | | - Ioannis Poursaitidis
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Rosemary Burke
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Rob van Montfort
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
- Division
of Structural Biology, The Institute of
Cancer Research, London SW7 3RP, U.K.
| | - Spiros Linardopoulos
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
- Breast
Cancer Now Research Centre, The Institute of Cancer Research, London SW7 3RP, U.K.
| | - Ian Collins
- Centre
for Cancer Drug Discovery, Division of Cancer Therapeutics, The Institute of Cancer Research, London SW7 3RP, U.K.
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12
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Lau TY, Poon RY. Whole-Genome Duplication and Genome Instability in Cancer Cells: Double the Trouble. Int J Mol Sci 2023; 24:ijms24043733. [PMID: 36835147 PMCID: PMC9959281 DOI: 10.3390/ijms24043733] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/04/2023] [Accepted: 02/08/2023] [Indexed: 02/15/2023] Open
Abstract
Whole-genome duplication (WGD) is one of the most common genomic abnormalities in cancers. WGD can provide a source of redundant genes to buffer the deleterious effect of somatic alterations and facilitate clonal evolution in cancer cells. The extra DNA and centrosome burden after WGD is associated with an elevation of genome instability. Causes of genome instability are multifaceted and occur throughout the cell cycle. Among these are DNA damage caused by the abortive mitosis that initially triggers tetraploidization, replication stress and DNA damage associated with an enlarged genome, and chromosomal instability during the subsequent mitosis in the presence of extra centrosomes and altered spindle morphology. Here, we chronicle the events after WGD, from tetraploidization instigated by abortive mitosis including mitotic slippage and cytokinesis failure to the replication of the tetraploid genome, and finally, to the mitosis in the presence of supernumerary centrosomes. A recurring theme is the ability of some cancer cells to overcome the obstacles in place for preventing WGD. The underlying mechanisms range from the attenuation of the p53-dependent G1 checkpoint to enabling pseudobipolar spindle formation via the clustering of supernumerary centrosomes. These survival tactics and the resulting genome instability confer a subset of polyploid cancer cells proliferative advantage over their diploid counterparts and the development of therapeutic resistance.
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Affiliation(s)
- Tsz Yin Lau
- Division of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
| | - Randy Y.C. Poon
- Division of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
- State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
- Correspondence: ; Tel.: +852-2358-8718
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13
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Abstract
The centrosome, consisting of centrioles and the associated pericentriolar material, is the main microtubule-organizing centre (MTOC) in animal cells. During most of interphase, the two centrosomes of a cell are joined together by centrosome cohesion into one MTOC. The most dominant element of centrosome cohesion is the centrosome linker, an interdigitating, fibrous network formed by the protein C-Nap1 anchoring a number of coiled-coil proteins including rootletin to the proximal end of centrioles. Alternatively, centrosomes can be kept together by the action of the minus end directed kinesin motor protein KIFC3 that works on interdigitating microtubules organized by both centrosomes and probably by the actin network. Although cells connect the two interphase centrosomes by several mechanisms into one MTOC, the general importance of centrosome cohesion, particularly for an organism, is still largely unclear. In this article, we review the functions of the centrosome linker and discuss how centrosome cohesion defects can lead to diseases.
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Affiliation(s)
- Hairuo Dang
- Zentrum für Molekulare Biologie der Universität Heidelberg, Deutsches Krebsforschungszentrum-ZMBH Allianz, and,Heidelberg Biosciences International Graduate School (HBIGS), Universität Heidelberg, Heidelberg 69120, Germany
| | - Elmar Schiebel
- Zentrum für Molekulare Biologie der Universität Heidelberg, Deutsches Krebsforschungszentrum-ZMBH Allianz, and
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14
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Greil C, Engelhardt M, Wäsch R. The Role of the APC/C and Its Coactivators Cdh1 and Cdc20 in Cancer Development and Therapy. Front Genet 2022; 13:941565. [PMID: 35832196 PMCID: PMC9273091 DOI: 10.3389/fgene.2022.941565] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 06/08/2022] [Indexed: 12/03/2022] Open
Abstract
To sustain genomic stability by correct DNA replication and mitosis, cell cycle progression is tightly controlled by the cyclic activity of cyclin-dependent kinases, their binding to cyclins in the respective phase and the regulation of cyclin levels by ubiquitin-dependent proteolysis. The spindle assembly checkpoint plays an important role at the metaphase-anaphase transition to ensure a correct separation of sister chromatids before cytokinesis and to initiate mitotic exit, as an incorrect chromosome distribution may lead to genetically unstable cells and tumorigenesis. The ubiquitin ligase anaphase-promoting complex or cyclosome (APC/C) is essential for these processes by mediating the proteasomal destruction of cyclins and other important cell cycle regulators. To this end, it interacts with the two regulatory subunits Cdh1 and Cdc20. Both play a role in tumorigenesis with Cdh1 being a tumor suppressor and Cdc20 an oncogene. In this review, we summarize the current knowledge about the APC/C-regulators Cdh1 and Cdc20 in tumorigenesis and potential targeted therapeutic approaches.
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15
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NAT10 regulates mitotic cell fate by acetylating Eg5 to control bipolar spindle assembly and chromosome segregation. Cell Death Differ 2022; 29:846-860. [PMID: 35210604 PMCID: PMC8989979 DOI: 10.1038/s41418-021-00899-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 11/07/2021] [Accepted: 11/09/2021] [Indexed: 02/07/2023] Open
Abstract
Cell fate of mitotic cell is controlled by spindle assembly. Deficient spindle assembly results in mitotic catastrophe leading to cell death to maintain cellular homeostasis. Therefore, inducing mitotic catastrophe provides a strategy for tumor therapy. Nucleolar acetyltransferase NAT10 has been found to regulate various cellular processes to maintain cell homeostasis. Here we report that NAT10 regulates mitotic cell fate by acetylating Eg5. NAT10 depletion results in multinuclear giant cells, which is the hallmark of mitotic catastrophe. Live-cell imaging showed that knockdown of NAT10 dramatically prolongs the mitotic time and induces defective chromosome segregation including chromosome misalignment, bridge and lagging. NAT10 binds and co-localizes with Eg5 in the centrosome during mitosis. Depletion of NAT10 reduces the centrosome loading of Eg5 and impairs the poleward movement of centrosome, leading to monopolar and asymmetrical spindle formation. Furthermore, NAT10 stabilizes Eg5 through its acetyltransferase function. NAT10 acetylates Eg5 at K771 to control Eg5 stabilization. We generated K771-Ac specific antibody and showed that Eg5 K771-Ac specifically localizes in the centrosome during mitosis. Additionally, K771 acetylation is required for the motor function of Eg5. The hyper-acetylation mimic Flag-Eg5 K771Q but not Flag-Eg5 rescued the NAT10 depletion-induced defective spindle formation and mitotic catastrophe, demonstrating that NAT10 controls mitosis through acetylating Eg5 K771. Collectively, we identify Eg5 as an important substrate of NAT10 in the control of mitosis and provide K771 as an essential acetylation site in the stabilization and motor function of Eg5. Our findings reveal that targeting the NAT10-mediated Eg5 K771 acetylation provides a potential strategy for tumor therapy.
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16
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Oboudatian HS, Moradian M, Naeimi H. Morpholinum Sulphate Salt Immobilized Onto Magnetic NPs Catalyzed Sonication Green Synthesis of Dihydropyrimidinones. J CLUST SCI 2022. [DOI: 10.1007/s10876-021-02214-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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17
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Tilwani S, Gandhi K, Narayan S, Ainavarapu SRK, Dalal SN. Disruption of desmosome function leads to increased centrosome clustering in 14-3-3γ-knockout cells with supernumerary centrosomes. FEBS Lett 2021; 595:2675-2690. [PMID: 34626438 DOI: 10.1002/1873-3468.14204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 08/09/2021] [Accepted: 10/04/2021] [Indexed: 01/02/2023]
Abstract
14-3-3 proteins are conserved, dimeric, acidic proteins that regulate multiple cellular pathways. Loss of either 14-3-3ε or 14-3-3γ leads to centrosome amplification. However, we find that while the knockout of 14-3-3ε leads to multipolar mitoses, the knockout of 14-3-3γ results in centrosome clustering and pseudo-bipolar mitoses. 14-3-3γ knockouts demonstrate compromised desmosome function and a decrease in keratin levels, leading to decreased cell stiffness and an increase in centrosome clustering. Restoration of desmosome function increased multipolar mitoses, whereas knockdown of either plakoglobin or keratin 5 led to decreased cell stiffness and increased pseudo-bipolar mitoses. These results suggest that the ability of the desmosome to anchor keratin filaments maintains cell stiffness, thus inhibiting centrosome clustering, and that phenotypes observed upon 14-3-3 loss reflect the dysregulation of multiple pathways.
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Affiliation(s)
- Sarika Tilwani
- Cell and Tumor Biology, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Navi Mumbai, India
- Homi Bhabha National Institute, Training School Complex, Mumbai, India
| | - Karan Gandhi
- Cell and Tumor Biology, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Navi Mumbai, India
| | - Satya Narayan
- Department of Chemical Sciences, TIFR, Mumbai, India
| | | | - Sorab Nariman Dalal
- Cell and Tumor Biology, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Navi Mumbai, India
- Homi Bhabha National Institute, Training School Complex, Mumbai, India
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18
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Shin B, Kim MS, Lee Y, Jung GI, Rhee K. Generation and Fates of Supernumerary Centrioles in Dividing Cells. Mol Cells 2021; 44:699-705. [PMID: 34711687 PMCID: PMC8560585 DOI: 10.14348/molcells.2021.0220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/25/2021] [Accepted: 09/30/2021] [Indexed: 11/27/2022] Open
Abstract
The centrosome is a subcellular organelle from which a cilium assembles. Since centrosomes function as spindle poles during mitosis, they have to be present as a pair in a cell. How the correct number of centrosomes is maintained in a cell has been a major issue in the fields of cell cycle and cancer biology. Centrioles, the core of centrosomes, assemble and segregate in close connection to the cell cycle. Abnormalities in centriole numbers are attributed to decoupling from cell cycle regulation. Interestingly, supernumerary centrioles are commonly observed in cancer cells. In this review, we discuss how supernumerary centrioles are generated in diverse cellular conditions. We also discuss how the cells cope with supernumerary centrioles during the cell cycle.
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Affiliation(s)
- Byungho Shin
- Department of Biological Sciences, Seoul National University, Seoul 08826, Korea
| | - Myung Se Kim
- Department of Biological Sciences, Seoul National University, Seoul 08826, Korea
| | - Yejoo Lee
- Department of Biological Sciences, Seoul National University, Seoul 08826, Korea
| | - Gee In Jung
- Department of Biological Sciences, Seoul National University, Seoul 08826, Korea
| | - Kunsoo Rhee
- Department of Biological Sciences, Seoul National University, Seoul 08826, Korea
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19
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Centrosomal-associated Proteins: Potential therapeutic targets for solid tumors? Biomed Pharmacother 2021; 144:112292. [PMID: 34700231 DOI: 10.1016/j.biopha.2021.112292] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 09/27/2021] [Accepted: 10/05/2021] [Indexed: 12/14/2022] Open
Abstract
The centrosome is a special organelle in human cells and an organizing unit for microtubules and signaling molecules. In addition, the centrosome is tightly restricted during the cell cycle and forms the basal body of the cilia in ciliated cells. Centrosome abnormality is frequently observed in malignant tumors. The dysregulation of centrosome-associated proteins leads to multipolar mitosis, aneuploidy, and nondirected cell migration, and therefore promotes cancer progression. The overduplication of primary centrosome and the accumulation of chromosome, comprise the majority cause of chromosomal mis-segregation in cancer cells. This review discusses the structure and function of the centrosome and the role of its associated proteins in the progression of solid tumors. We summarized the effects of centrosome amplification abnormalities and other centrosome-related phenotypes on tumors. The mechanism of the delineation of centrosome amplification with tumor malignancy remains to be decided. A better understanding of centrosome abnormality in tumorigenesis may be useful to screen novel therapeutic strategies for the treatment of solid tumors.
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20
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Priyanga J, Guha G, Bhakta-Guha D. Microtubule motors in centrosome homeostasis: A target for cancer therapy? Biochim Biophys Acta Rev Cancer 2021; 1875:188524. [PMID: 33582170 DOI: 10.1016/j.bbcan.2021.188524] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/02/2021] [Accepted: 02/05/2021] [Indexed: 01/02/2023]
Abstract
Cancer is a grievous concern to human health, owing to a massive heterogeneity in its cause and impact. Dysregulation (numerical, positional and/or structural) of centrosomes is one of the notable factors among those that promote onset and progression of cancers. In a normal dividing cell, a pair of centrosomes forms two poles, thereby governing the formation of a bipolar spindle assembly. A large number of cancer cells, however, harbor supernumerary centrosomes, which mimic the bipolar arrangement in normal cells by centrosome clustering (CC) into two opposite poles, thus developing a pseudo-bipolar spindle assembly. Manipulation of centrosome homeostasis is the paramount pre-requisite for the evasive strategy of CC in cancers. Out of the varied factors that uphold centrosome integrity, microtubule motors (MiMos) play a critical role. Categorized as dyneins and kinesins, MiMos are involved in cohesion of centrosomes, and also facilitate the maintenance of the numerical, positional and structural integrity of centrosomes. Herein, we elucidate the decisive mechanisms undertaken by MiMos to mediate centrosome homeostasis, and how dysregulation of the same might lead to CC in cancer cells. Understanding the impact of MiMos on CC might open up avenues toward a credible therapeutic target against diverse cancers.
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Affiliation(s)
- J Priyanga
- Cellular Dyshomeostasis Laboratory (CDHL), School of Chemical and Bio Technology, SASTRA University, Thanjavur 613 401, Tamil Nadu, India
| | - Gunjan Guha
- Cellular Dyshomeostasis Laboratory (CDHL), School of Chemical and Bio Technology, SASTRA University, Thanjavur 613 401, Tamil Nadu, India.
| | - Dipita Bhakta-Guha
- Cellular Dyshomeostasis Laboratory (CDHL), School of Chemical and Bio Technology, SASTRA University, Thanjavur 613 401, Tamil Nadu, India.
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21
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Oboudatian HS, Naeimi H, Moradian M. A Brønsted acidic ionic liquid anchored to magnetite nanoparticles as a novel recoverable heterogeneous catalyst for the Biginelli reaction. RSC Adv 2021; 11:7271-7279. [PMID: 35423245 PMCID: PMC8694962 DOI: 10.1039/d0ra09929e] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 01/27/2021] [Indexed: 12/22/2022] Open
Abstract
In this study, simple and effective methods were used for the preparation of an ionic liquid that immobilized magnetite nanoparticles. Fe3O4 nanoparticles were prepared via a chemical co-precipitation method. Then, a SiO2 shell was coated on the magnetic core via the Stober method. Finally, CPTES (chloropropyltriethoxysilane) and morpholine were coated on the SiO2 shell. Morpholine sulfate, an acidic ionic liquid, was successfully bound to magnetite nanoparticles (Mag@Morph-AIL) and this was used as an efficient catalyst for the preparation of 3,4-dihydropyrimidinones. Compared to previous works, the easy separation of the nanocatalyst using an external magnet and the recyclability, non-toxicity, versatility, and high stability of the catalyst, combined with low reaction times and excellent yields, make the present protocol very useful for the synthesis of the title products. The synthesized products and catalyst were confirmed via 1H-NMR, 13C-NMR, FT-IR, scanning electron microscope, X-ray diffraction, and elemental analysis.
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Affiliation(s)
- Hourieh Sadat Oboudatian
- Department of Organic Chemistry, Faculty of Chemistry, University of Kashan Kashan 87317 I. R. Iran +98-03155912397 +98-03155913055
| | - Hossein Naeimi
- Department of Organic Chemistry, Faculty of Chemistry, University of Kashan Kashan 87317 I. R. Iran +98-03155912397 +98-03155913055
| | - Mohsen Moradian
- Department of Organic Chemistry, Faculty of Chemistry, University of Kashan Kashan 87317 I. R. Iran +98-03155912397 +98-03155913055
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22
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Centrosome dysfunction in human diseases. Semin Cell Dev Biol 2021; 110:113-122. [DOI: 10.1016/j.semcdb.2020.04.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 04/26/2020] [Accepted: 04/28/2020] [Indexed: 12/12/2022]
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23
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Matsumoto T, Wakefield L, Peters A, Peto M, Spellman P, Grompe M. Proliferative polyploid cells give rise to tumors via ploidy reduction. Nat Commun 2021; 12:646. [PMID: 33510149 PMCID: PMC7843634 DOI: 10.1038/s41467-021-20916-y] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 12/14/2020] [Indexed: 01/18/2023] Open
Abstract
Polyploidy is a hallmark of cancer, and closely related to chromosomal instability involved in cancer progression. Importantly, polyploid cells also exist in some normal tissues. Polyploid hepatocytes proliferate and dynamically reduce their ploidy during liver regeneration. This raises the question whether proliferating polyploids are prone to cancer via chromosome missegregation during mitosis and/or ploidy reduction. Conversely polyploids could be resistant to tumor development due to their redundant genomes. Therefore, the tumor-initiation risk of physiologic polyploidy and ploidy reduction is still unclear. Using in vivo lineage tracing we here show that polyploid hepatocytes readily form liver tumors via frequent ploidy reduction. Polyploid hepatocytes give rise to regenerative nodules with chromosome aberrations, which are enhanced by ploidy reduction. Although polyploidy should theoretically prevent tumor suppressor loss, the high frequency of ploidy reduction negates this protection. Importantly, polyploid hepatocytes that undergo multiple rounds of cell division become predominantly mononucleated and are resistant to ploidy reduction. Our results suggest that ploidy reduction is an early step in the initiation of carcinogenesis from polyploid hepatocytes.
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Affiliation(s)
- Tomonori Matsumoto
- Department of Pediatrics, Oregon Health and Science University, Portland, OR, USA.
| | - Leslie Wakefield
- Department of Pediatrics, Oregon Health and Science University, Portland, OR, USA
| | - Alexander Peters
- Department of Pediatrics, Oregon Health and Science University, Portland, OR, USA
| | - Myron Peto
- Department of Molecular and Medical Genetics, Oregon Health and Science University, Portland, OR, USA
| | - Paul Spellman
- Department of Molecular and Medical Genetics, Oregon Health and Science University, Portland, OR, USA
| | - Markus Grompe
- Department of Pediatrics, Oregon Health and Science University, Portland, OR, USA.
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24
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Zhang Y, Tian J, Qu C, Peng Y, Lei J, Sun L, Zong B, Liu S. A look into the link between centrosome amplification and breast cancer. Biomed Pharmacother 2020; 132:110924. [PMID: 33128942 DOI: 10.1016/j.biopha.2020.110924] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/18/2020] [Accepted: 10/20/2020] [Indexed: 02/06/2023] Open
Abstract
Centrosome amplification (CA) is a common feature of human tumors, but it is not clear whether this is a cause or a consequence of cancer. The centrosome amplification observed in tumor cells may be explained by a series of events, such as failure of cell division, dysregulation of centrosome cycle checkpoints, and de novo centriole biogenesis disorder. The formation and progression of breast cancer are characterized by genomic abnormality. The centrosomes in breast cancer cells show characteristic structural aberrations, caused by centrosome amplification, which include: an increase in the number and volume of centrosomes, excessive increase of pericentriolar material (PCM), inappropriate phosphorylation of centrosomal molecular, and centrosome clustering formation induced by the dysregulation of important genes. The mechanism of intracellular centrosome amplification, the impact of which on breast cancer and the latest breast cancer target treatment options for centrosome amplification are exhaustively elaborated in this review.
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Affiliation(s)
- Yingzi Zhang
- Department of Endocrine Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, 1 Yixueyuan Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.
| | - Jiao Tian
- Department of Endocrine Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, 1 Yixueyuan Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.
| | - Chi Qu
- Department of Endocrine Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, 1 Yixueyuan Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.
| | - Yang Peng
- Department of Endocrine Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, 1 Yixueyuan Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.
| | - Jinwei Lei
- Department of Endocrine Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, 1 Yixueyuan Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.
| | - Lu Sun
- Department of Endocrine Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, 1 Yixueyuan Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.
| | - Beige Zong
- Department of Endocrine Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, 1 Yixueyuan Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.
| | - Shengchun Liu
- Department of Endocrine Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, 1 Yixueyuan Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.
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25
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Vishnoi N, Dhanasekeran K, Chalfant M, Surovstev I, Khokha MK, Lusk CP. Differential turnover of Nup188 controls its levels at centrosomes and role in centriole duplication. J Cell Biol 2020; 219:133835. [PMID: 32211895 PMCID: PMC7055002 DOI: 10.1083/jcb.201906031] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 11/18/2019] [Accepted: 01/09/2020] [Indexed: 02/07/2023] Open
Abstract
NUP188 encodes a scaffold component of the nuclear pore complex (NPC) and has been implicated as a congenital heart disease gene through an ill-defined function at centrioles. Here, we explore the mechanisms that physically and functionally segregate Nup188 between the pericentriolar material (PCM) and NPCs. Pulse-chase fluorescent labeling indicates that Nup188 populates centrosomes with newly synthesized protein that does not exchange with NPCs even after mitotic NPC breakdown. In addition, the steady-state levels of Nup188 are controlled by the sensitivity of the PCM pool, but not the NPC pool, to proteasomal degradation. Proximity-labeling and super-resolution microscopy show that Nup188 is vicinal to the inner core of the interphase centrosome. Consistent with this, we demonstrate direct binding between Nup188 and Cep152. We further show that Nup188 functions in centriole duplication at or upstream of Sas6 loading. Together, our data establish Nup188 as a component of PCM needed to duplicate the centriole with implications for congenital heart disease mechanisms.
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Affiliation(s)
- Nidhi Vishnoi
- Department of Cell Biology, Yale School of Medicine, New Haven, CT
| | | | | | - Ivan Surovstev
- Department of Cell Biology, Yale School of Medicine, New Haven, CT
| | - Mustafa K Khokha
- Pediatric Genomics Discovery Program, Departments of Pediatrics and Genetics, Yale School of Medicine, New Haven, CT
| | - C Patrick Lusk
- Department of Cell Biology, Yale School of Medicine, New Haven, CT
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26
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Manohar S, Yu Q, Gygi SP, King RW. The Insulin Receptor Adaptor IRS2 is an APC/C Substrate That Promotes Cell Cycle Protein Expression and a Robust Spindle Assembly Checkpoint. Mol Cell Proteomics 2020; 19:1450-1467. [PMID: 32554797 PMCID: PMC8143631 DOI: 10.1074/mcp.ra120.002069] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 06/01/2020] [Indexed: 01/21/2023] Open
Abstract
Insulin receptor substrate 2 (IRS2) is an essential adaptor that mediates signaling downstream of the insulin receptor and other receptor tyrosine kinases. Transduction through IRS2-dependent pathways is important for coordinating metabolic homeostasis, and dysregulation of IRS2 causes systemic insulin signaling defects. Despite the importance of maintaining proper IRS2 abundance, little is known about what factors mediate its protein stability. We conducted an unbiased proteomic screen to uncover novel substrates of the Anaphase Promoting Complex/Cyclosome (APC/C), a ubiquitin ligase that controls the abundance of key cell cycle regulators. We found that IRS2 levels are regulated by APC/C activity and that IRS2 is a direct APC/C target in G1 Consistent with the APC/C's role in degrading cell cycle regulators, quantitative proteomic analysis of IRS2-null cells revealed a deficiency in proteins involved in cell cycle progression. We further show that cells lacking IRS2 display a weakened spindle assembly checkpoint in cells treated with microtubule inhibitors. Together, these findings reveal a new pathway for IRS2 turnover and indicate that IRS2 is a component of the cell cycle control system in addition to acting as an essential metabolic regulator.
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Affiliation(s)
- Sandhya Manohar
- Department of Cell Biology, Harvard Medical School, Boston, Massachusetts, USA
| | - Qing Yu
- Department of Cell Biology, Harvard Medical School, Boston, Massachusetts, USA
| | - Steven P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, Massachusetts, USA
| | - Randall W King
- Department of Cell Biology, Harvard Medical School, Boston, Massachusetts, USA.
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27
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Olbrich T, Vega-Sendino M, Murga M, de Carcer G, Malumbres M, Ortega S, Ruiz S, Fernandez-Capetillo O. A Chemical Screen Identifies Compounds Capable of Selecting for Haploidy in Mammalian Cells. Cell Rep 2020; 28:597-604.e4. [PMID: 31315040 PMCID: PMC6656781 DOI: 10.1016/j.celrep.2019.06.060] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 04/24/2019] [Accepted: 06/15/2019] [Indexed: 12/24/2022] Open
Abstract
The recent availability of somatic haploid cell lines has provided a unique tool for genetic studies in mammals. However, the percentage of haploid cells rapidly decreases in these cell lines, which we recently showed is due to their overgrowth by diploid cells present in the cultures. Based on this property, we have now performed a phenotypic chemical screen in human haploid HAP1 cells aiming to identify compounds that facilitate the maintenance of haploid cells. Our top hit was 10-Deacetyl-baccatin-III (DAB), a chemical precursor in the synthesis of Taxol, which selects for haploid cells in HAP1 and mouse haploid embryonic stem cultures. Interestingly, DAB also enriches for diploid cells in mixed cultures of diploid and tetraploid cells, including in the colon cancer cell line DLD-1, revealing a general strategy for selecting cells with lower ploidy in mixed populations of mammalian cells. Mammalian haploid cell cultures become progressively enriched in diploid cells DAB, a precursor of Taxol, facilitates the maintenance of haploidy DAB selects for cells with lower ploidy in mixed cultures of mammalian cells Statins accelerate the gradual loss of haploid cells in culture
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Affiliation(s)
- Teresa Olbrich
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid 28029, Spain
| | - Maria Vega-Sendino
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid 28029, Spain
| | - Matilde Murga
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid 28029, Spain
| | - Guillermo de Carcer
- Chromosome Dynamics Group, Spanish National Cancer Research Centre (CNIO), Madrid 28029, Spain
| | - Marcos Malumbres
- Chromosome Dynamics Group, Spanish National Cancer Research Centre (CNIO), Madrid 28029, Spain
| | - Sagrario Ortega
- Transgenics Unit, Spanish National Cancer Research Centre (CNIO), Madrid 28029, Spain
| | - Sergio Ruiz
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid 28029, Spain
| | - Oscar Fernandez-Capetillo
- Genomic Instability Group, Spanish National Cancer Research Centre (CNIO), Madrid 28029, Spain; Science for Life Laboratory, Division of Genome Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institute, 171 21 Stockholm, Sweden.
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28
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Zalenski AA, Majumder S, De K, Venere M. An interphase pool of KIF11 localizes at the basal bodies of primary cilia and a reduction in KIF11 expression alters cilia dynamics. Sci Rep 2020; 10:13946. [PMID: 32811879 PMCID: PMC7434902 DOI: 10.1038/s41598-020-70787-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 07/31/2020] [Indexed: 01/22/2023] Open
Abstract
KIF11 is a homotetrameric kinesin that peaks in protein expression during mitosis. It is a known mitotic regulator, and it is well-described that KIF11 is necessary for the formation and maintenance of the bipolar spindle. However, there has been a growing appreciation for non-mitotic roles for KIF11. KIF11 has been shown to function in such processes as axon growth and microtubule polymerization. We previously demonstrated that there is an interphase pool of KIF11 present in glioblastoma cancer stem cells that drives tumor cell invasion. Here, we identified a previously unknown association between KIF11 and primary cilia. We confirmed that KIF11 localized to the basal bodies of primary cilia in multiple cell types, including neoplastic and non-neoplastic cells. Further, we determined that KIF11 has a role in regulating cilia dynamics. Upon the reduction of KIF11 expression, the number of ciliated cells in asynchronously growing populations was significantly increased. We rescued this effect by the addition of exogenous KIF11. Lastly, we found that depleting KIF11 resulted in an increase in cilium length and an attenuation in the kinetics of cilia disassembly. These findings establish a previously unknown link between KIF11 and the dynamics of primary cilia and further support non-mitotic functions for this kinesin.
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Affiliation(s)
- Abigail A Zalenski
- Department of Radiation Oncology, James Cancer Hospital and Comprehensive Cancer Center, The Ohio State University Wexner School of Medicine, 440 Tzagournis Medical Research Facility, 420 West 12th Avenue, Columbus, OH, 43210, USA
- Neuroscience Graduate Program, The Ohio State University, Columbus, OH, 43210, USA
| | - Shubhra Majumder
- Department of Radiation Oncology, James Cancer Hospital and Comprehensive Cancer Center, The Ohio State University Wexner School of Medicine, 440 Tzagournis Medical Research Facility, 420 West 12th Avenue, Columbus, OH, 43210, USA
- Department of Life Sciences and the School of Biotechnology, Presidency University, Kolkata, 700073, India
| | - Kuntal De
- Department of Radiation Oncology, James Cancer Hospital and Comprehensive Cancer Center, The Ohio State University Wexner School of Medicine, 440 Tzagournis Medical Research Facility, 420 West 12th Avenue, Columbus, OH, 43210, USA
- Bioscience Division, Oak Ridge National Lab, Oak Ridge, TN, 37830, USA
| | - Monica Venere
- Department of Radiation Oncology, James Cancer Hospital and Comprehensive Cancer Center, The Ohio State University Wexner School of Medicine, 440 Tzagournis Medical Research Facility, 420 West 12th Avenue, Columbus, OH, 43210, USA.
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29
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Chatterjee S, Sarkar A, Zhu J, Khodjakov A, Mogilner A, Paul R. Mechanics of Multicentrosomal Clustering in Bipolar Mitotic Spindles. Biophys J 2020; 119:434-447. [PMID: 32610087 DOI: 10.1016/j.bpj.2020.06.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 04/06/2020] [Accepted: 06/04/2020] [Indexed: 12/27/2022] Open
Abstract
To segregate chromosomes in mitosis, cells assemble a mitotic spindle, a molecular machine with centrosomes at two opposing cell poles and chromosomes at the equator. Microtubules and molecular motors connect the poles to kinetochores, specialized protein assemblies on the centromere regions of the chromosomes. Bipolarity of the spindle is crucial for the proper cell division, and two centrosomes in animal cells naturally become two spindle poles. Cancer cells are often multicentrosomal, yet they are able to assemble bipolar spindles by clustering centrosomes into two spindle poles. Mechanisms of this clustering are debated. In this study, we computationally screen effective forces between 1) centrosomes, 2) centrosomes and kinetochores, 3) centrosomes and chromosome arms, and 4) centrosomes and cell cortex to understand mechanics that determines three-dimensional spindle architecture. To do this, we use the stochastic Monte Carlo search for stable mechanical equilibria in the effective energy landscape of the spindle. We find that the following conditions have to be met to robustly assemble the bipolar spindle in a multicentrosomal cell: 1) the strengths of centrosomes' attraction to each other and to the cell cortex have to be proportional to each other and 2) the strengths of centrosomes' attraction to kinetochores and repulsion from the chromosome arms have to be proportional to each other. We also find that three other spindle configurations emerge if these conditions are not met: 1) collapsed, 2) monopolar, and 3) multipolar spindles, and the computational screen reveals mechanical conditions for these abnormal spindles.
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Affiliation(s)
| | - Apurba Sarkar
- Indian Association for the Cultivation of Science, Kolkata, India
| | - Jie Zhu
- Gerber Technology, Tolland, Connecticut
| | - Alexei Khodjakov
- Wadsworth Center, New York State Department of Health, Albany, New York; Rensselaer Polytechnic Institute, Troy, New York
| | - Alex Mogilner
- Courant Institute and Department of Biology, New York University, New York, New York.
| | - Raja Paul
- Indian Association for the Cultivation of Science, Kolkata, India.
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30
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Sapkota H, Wren JD, Gorbsky GJ. CSAG1 maintains the integrity of the mitotic centrosome in cells with defective p53. J Cell Sci 2020; 133:jcs.239723. [PMID: 32295846 DOI: 10.1242/jcs.239723] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 03/26/2020] [Indexed: 02/06/2023] Open
Abstract
Centrosomes focus microtubules to promote mitotic spindle bipolarity, a critical requirement for balanced chromosome segregation. Comprehensive understanding of centrosome function and regulation requires a complete inventory of components. While many centrosome components have been identified, others yet remain undiscovered. We have used a bioinformatics approach, based on 'guilt by association' expression to identify novel mitotic components among the large group of predicted human proteins that have yet to be functionally characterized. Here, we identify chondrosarcoma-associated gene 1 protein (CSAG1) in maintaining centrosome integrity during mitosis. Depletion of CSAG1 disrupts centrosomes and leads to multipolar spindles, particularly in cells with compromised p53 function. Thus, CSAG1 may reflect a class of 'mitotic addiction' genes, whose expression is more essential in transformed cells.
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Affiliation(s)
- Hem Sapkota
- Cell Cycle and Cancer Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Jonathan D Wren
- Genes and Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Gary J Gorbsky
- Cell Cycle and Cancer Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
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31
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TRIM8 interacts with KIF11 and KIFC1 and controls bipolar spindle formation and chromosomal stability. Cancer Lett 2020; 473:98-106. [DOI: 10.1016/j.canlet.2019.12.042] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 12/20/2019] [Accepted: 12/20/2019] [Indexed: 11/29/2022]
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32
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Targeting centrosome amplification, an Achilles' heel of cancer. Biochem Soc Trans 2020; 47:1209-1222. [PMID: 31506331 PMCID: PMC6824836 DOI: 10.1042/bst20190034] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 08/08/2019] [Accepted: 08/13/2019] [Indexed: 12/12/2022]
Abstract
Due to cell-cycle dysregulation, many cancer cells contain more than the normal compliment of centrosomes, a state referred to as centrosome amplification (CA). CA can drive oncogenic phenotypes and indeed can cause cancer in flies and mammals. However, cells have to actively manage CA, often by centrosome clustering, in order to divide. Thus, CA is also an Achilles' Heel of cancer cells. In recent years, there have been many important studies identifying proteins required for the management of CA and it has been demonstrated that disruption of some of these proteins can cause cancer-specific inhibition of cell growth. For certain targets therapeutically relevant interventions are being investigated, for example, small molecule inhibitors, although none are yet in clinical trials. As the field is now poised to move towards clinically relevant interventions, it is opportune to summarise the key work in targeting CA thus far, with particular emphasis on recent developments where small molecule or other strategies have been proposed. We also highlight the relatively unexplored paradigm of reversing CA, and thus its oncogenic effects, for therapeutic gain.
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33
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Raab M, Kobayashi NF, Becker S, Kurunci‐Csacsko E, Krämer A, Strebhardt K, Sanhaji M. Boosting the apoptotic response of high‐grade serous ovarian cancers with
CCNE1
amplification to paclitaxel
in vitro
by targeting APC/C and the pro‐survival protein MCL‐1. Int J Cancer 2019; 146:1086-1098. [DOI: 10.1002/ijc.32559] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 05/03/2019] [Accepted: 06/24/2019] [Indexed: 12/29/2022]
Affiliation(s)
- Monika Raab
- Department of GynecologyGoethe‐University Frankfurt Germany
| | | | - Sven Becker
- Department of GynecologyGoethe‐University Frankfurt Germany
| | | | - Andrea Krämer
- Department of GynecologyGoethe‐University Frankfurt Germany
| | - Klaus Strebhardt
- Department of GynecologyGoethe‐University Frankfurt Germany
- German Cancer Consortium (DKTK)/German Cancer Research Center Heidelberg Germany
| | - Mourad Sanhaji
- Department of GynecologyGoethe‐University Frankfurt Germany
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34
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Antao NV, Marcet-Ortega M, Cifani P, Kentsis A, Foley EA. A Cancer-Associated Missense Mutation in PP2A-Aα Increases Centrosome Clustering during Mitosis. iScience 2019; 19:74-82. [PMID: 31357169 PMCID: PMC6664223 DOI: 10.1016/j.isci.2019.07.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 06/27/2019] [Accepted: 07/12/2019] [Indexed: 12/21/2022] Open
Abstract
Whole-genome doubling (WGD) is common early in tumorigenesis. WGD doubles ploidy and centrosome number. In the ensuing mitoses, excess centrosomes form a multipolar spindle, resulting in a lethal multipolar cell division. To survive, cells must cluster centrosomes to allow bipolar cell division. Cancer cells are often more proficient at centrosome clustering than untransformed cells, but the mechanism behind increased clustering ability is not well understood. Heterozygous missense mutations in PPP2R1A, which encodes the alpha isoform of the "scaffolding" subunit of PP2A (PP2A-Aα), positively correlate with WGD. We introduced a heterozygous hotspot mutation, P179R, into PPP2R1A in human RPE-1 cells. PP2A-AαP179R decreases PP2A assembly and intracellular targeting in mitosis. Strikingly, PP2A-AαP179R enhances centrosome clustering when centrosome number is increased either by cytokinesis failure or centrosome amplification, likely through PP2A-Aα loss of function. Thus cancer-associated mutations in PP2A-Aα may increase cellular fitness after WGD by enhancing centrosome clustering.
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Affiliation(s)
- Noelle V Antao
- Program in Biochemistry and Structural Biology, Cell and Developmental Biology, and Molecular Biology, Weill Cornell Medicine Graduate School of Medical Sciences, Cornell University, New York, NY 10065, USA; Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Marina Marcet-Ortega
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Paolo Cifani
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Alex Kentsis
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Emily A Foley
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
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35
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Kimata Y. APC/C Ubiquitin Ligase: Coupling Cellular Differentiation to G1/G0 Phase in Multicellular Systems. Trends Cell Biol 2019; 29:591-603. [DOI: 10.1016/j.tcb.2019.03.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 03/07/2019] [Accepted: 03/08/2019] [Indexed: 12/27/2022]
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36
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De K, Grubb TM, Zalenski AA, Pfaff KE, Pal D, Majumder S, Summers MK, Venere M. Hyperphosphorylation of CDH1 in Glioblastoma Cancer Stem Cells Attenuates APC/C CDH1 Activity and Pharmacologic Inhibition of APC/C CDH1/CDC20 Compromises Viability. Mol Cancer Res 2019; 17:1519-1530. [PMID: 31036696 DOI: 10.1158/1541-7786.mcr-18-1361] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 03/07/2019] [Accepted: 04/24/2019] [Indexed: 12/27/2022]
Abstract
Glioblastoma (GBM) is the most common and lethal primary brain tumor and remains incurable. This is in part due to the cellular heterogeneity within these tumors, which includes a subpopulation of treatment-resistant cells called cancer stem-like cells (CSC). We previously identified that the anaphase-promoting complex/cylosome (APC/C), a key cell-cycle regulator and tumor suppressor, had attenuated ligase activity in CSCs. Here, we assessed the mechanism of reduced activity, as well as the efficacy of pharmacologically targeting the APC/C in CSCs. We identified hyperphosphorylation of CDH1, but not pseudosubstrate inhibition by early mitotic inhibitor 1 (EMI1), as a major mechanism driving attenuated APC/CCDH1 activity in the G1-phase of the cell cycle in CSCs. Small-molecule inhibition of the APC/C reduced viability of both CSCs and nonstem tumor cells (NSTCs), with the combination of proTAME and apcin having the biggest impact. Combinatorial drug treatment also led to the greatest mitotic arrest and chromosomal abnormalities. IMPLICATIONS: Our findings demonstrate how the activity of the APC/CCDH1 tumor suppressor is reduced in CSCs and also validates small-molecule inhibition of the APC/C as a promising therapeutic target for the treatment of GBM.
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Affiliation(s)
- Kuntal De
- Department of Radiation Oncology, James Cancer Hospital and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Treg M Grubb
- Department of Radiation Oncology, James Cancer Hospital and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Abigail A Zalenski
- Department of Radiation Oncology, James Cancer Hospital and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.,Neuroscience Graduate Program, The Ohio State University, Columbus, Ohio
| | - Kayla E Pfaff
- Department of Radiation Oncology, James Cancer Hospital and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.,Heritage College of Osteopathic Medicine, Ohio University, Athens, Ohio
| | - Debjani Pal
- Department of Radiation Oncology, James Cancer Hospital and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Shubhra Majumder
- Department of Life Sciences, Presidency University, Kolkata, West Bengal, India
| | - Matthew K Summers
- Department of Radiation Oncology, James Cancer Hospital and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Monica Venere
- Department of Radiation Oncology, James Cancer Hospital and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.
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37
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Navarro-Serer B, Childers EP, Hermance NM, Mercadante D, Manning AL. Aurora A inhibition limits centrosome clustering and promotes mitotic catastrophe in cells with supernumerary centrosomes. Oncotarget 2019; 10:1649-1659. [PMID: 30899434 PMCID: PMC6422193 DOI: 10.18632/oncotarget.26714] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Accepted: 02/08/2019] [Indexed: 01/29/2023] Open
Abstract
The presence of supernumerary centrosomes is prevalent in cancer, where they promote the formation of transient multipolar mitotic spindles. Active clustering of supernumerary centrosomes enables the formation of a functional bipolar spindle that is competent to complete a bipolar division. Disruption of spindle pole clustering in cancer cells promotes multipolar division and generation of non-proliferative daughter cells with compromised viability. Hence molecular pathways required for spindle pole clustering in cells with supernumerary centrosomes, but dispensable in normal cells, are promising therapeutic targets. Here we demonstrate that Aurora A kinase activity is required for spindle pole clustering in cells with extra centrosomes. While cells with two centrosomes are ultimately able to build a bipolar spindle and proceed through a normal cell division in the presence of Aurora A inhibition, cells with supernumerary centrosomes form multipolar and disorganized spindles that are not competent for chromosome segregation. Instead, following a prolonged mitosis, these cells experience catastrophic divisions that result in grossly aneuploid, and non-proliferative daughter cells. Aurora A inhibition in a panel of Acute Myeloid Leukemia cancer cells has a similarly disparate impact on cells with supernumerary centrosomes, suggesting that centrosome number and spindle polarity may serve as predictive biomarkers for response to therapeutic approaches that target Aurora A kinase function.
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Affiliation(s)
- Bernat Navarro-Serer
- Worcester Polytechnic Institute, Department of Biology and Biotechnology, Worcester, MA, USA
| | - Eva P Childers
- Worcester Polytechnic Institute, Department of Biology and Biotechnology, Worcester, MA, USA
| | - Nicole M Hermance
- Worcester Polytechnic Institute, Department of Biology and Biotechnology, Worcester, MA, USA
| | - Dayna Mercadante
- Worcester Polytechnic Institute, Department of Biology and Biotechnology, Worcester, MA, USA
| | - Amity L Manning
- Worcester Polytechnic Institute, Department of Biology and Biotechnology, Worcester, MA, USA
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38
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Saeki E, Yasuhira S, Shibazaki M, Tada H, Doita M, Masuda T, Maesawa C. Involvement of C-terminal truncation mutation of kinesin-5 in resistance to kinesin-5 inhibitor. PLoS One 2018; 13:e0209296. [PMID: 30557316 PMCID: PMC6296710 DOI: 10.1371/journal.pone.0209296] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 12/03/2018] [Indexed: 11/22/2022] Open
Abstract
Cultured cells easily develop resistance to kinesin-5 inhibitors (K5Is) often by overexpressing a related motor protein, kinesin-12/KIF15, or by acquiring mutations in the N-terminal motor domain of kinesin-5/KIF11 itself. We aimed to identify novel mechanisms responsible for resistance to S-trityl L-cysteine (STLC), one of the K5Is, using human osteosarcoma cell lines. Among six lines examined, U-2OS and HOS survived chronic STLC treatment and gave rise to resistant cells with IC50s at least 10-fold higher than those of the respective parental lines. Depletion of KIF15 largely eliminated the acquired K5I resistance in both cases, consistent with the proposed notion that KIF15 is indispensable for it. In contrast to the KIF11-independent property of the cells derived from HOS, those derived from U-2OS still required KIF11 for their growth and, intriguingly, expressed a C-terminal truncated variant of KIF11 resulting from a frame shift mutation (S1017fs). All of the isolated clones harbored the same mutation, suggesting its clonal expansion in the cell population due to the growth advantage during chronic STLC treatment. Transgenic expression of KIF11S1017fs in the parental U-2OS cells, as well as in HeLa cells, conferred a moderate but reproducible STLC resistance, probably owing to STLC-resistant localization of the mutant KIF11 on mitotic spindle. Our observations indicate that both KIF15 and the C-terminal-truncated KIF11 contributes to the STLC resistance of the U-2OS derived cells.
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Affiliation(s)
- Eri Saeki
- Department of Tumor Biology, Institute of Biomedical Sciences, Iwate Medical University, 2-1-1 Nishitokuta, Yahaba-cho, Shiwa-gun, Iwate, Japan
- Department of Orthopaedic Surgery, School of Medicine, Iwate Medical University, 16-1 Uchimaru, Morioka-shi, Iwate, Japan
| | - Shinji Yasuhira
- Department of Tumor Biology, Institute of Biomedical Sciences, Iwate Medical University, 2-1-1 Nishitokuta, Yahaba-cho, Shiwa-gun, Iwate, Japan
- * E-mail:
| | - Masahiko Shibazaki
- Department of Tumor Biology, Institute of Biomedical Sciences, Iwate Medical University, 2-1-1 Nishitokuta, Yahaba-cho, Shiwa-gun, Iwate, Japan
| | - Hiroshi Tada
- Department of Orthopaedic Surgery, School of Medicine, Iwate Medical University, 16-1 Uchimaru, Morioka-shi, Iwate, Japan
| | - Minoru Doita
- Department of Orthopaedic Surgery, School of Medicine, Iwate Medical University, 16-1 Uchimaru, Morioka-shi, Iwate, Japan
| | - Tomoyuki Masuda
- Department of Pathology, School of Medicine, Iwate Medical University, 2-1-1 Nishitokuta, Yahaba-cho, Shiwa-gun, Iwate, Japan
| | - Chihaya Maesawa
- Department of Tumor Biology, Institute of Biomedical Sciences, Iwate Medical University, 2-1-1 Nishitokuta, Yahaba-cho, Shiwa-gun, Iwate, Japan
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39
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The multiple functions of kinesin-4 family motor protein KIF4 and its clinical potential. Gene 2018; 678:90-99. [DOI: 10.1016/j.gene.2018.08.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 08/01/2018] [Accepted: 08/02/2018] [Indexed: 02/07/2023]
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40
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Liu C, Wei J, Xu K, Sun X, Zhang H, Xiong C. CSE1L participates in regulating cell mitosis in human seminoma. Cell Prolif 2018; 52:e12549. [PMID: 30485574 PMCID: PMC6496685 DOI: 10.1111/cpr.12549] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 09/28/2018] [Accepted: 10/16/2018] [Indexed: 12/12/2022] Open
Abstract
Objectives CSE1L has been reported to be highly expressed in various tumours. Testicular germ cell tumours are common among young males, and seminoma is the major type. However, whether CSE1L has functions in the seminoma is unclear. Materials and methods The expression of CSE1L was detected by immunohistochemistry in seminoma tissues and non‐tumour normal testis tissues from patients. CSE1L distribution during cell mitosis was determined by immunofluorescent staining with CSE1L, α‐tubulin and γ‐tubulin antibodies. The effects of Cse1L knockdown on cell proliferation and cell cycle progression were determined by Cell Counting Kit‐8 assay, flow cytometry, PH3 staining and bromodeoxyuridine incorporation assay. Results CSE1L was significantly enriched in the seminoma tissue compared with the non‐tumour normal testis tissue. CSE1L also co‐localized with α‐tubulin in the cells with a potential to divide. In the seminoma cell line TCam‐2, CSE1L was associated with the spindles and the centrosomes during cell division. The knockdown of CSE1L in TCam‐2 cells attenuated the cells’ proliferative capacity. Cell cycle assay revealed that the CSE1L‐deficient cells were mainly arrested in the G0/G1 phase and moderately delayed in the G2/M phase. The proportion of cells with multipolar spindle and abnormal spindle geometry was obviously increased by CSE1L expression silencing in the TCam‐2 cells. Conclusions Overall, these findings showed that CSE1L plays a pivotal role in maintaining cell proliferation and cell division in seminomas.
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Affiliation(s)
- Chunyan Liu
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiajing Wei
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kang Xu
- The First People's Hospital of Tianmen City, Tianmen, China
| | - Xiaosong Sun
- Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Huiping Zhang
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Tongji Reproductive Medicine Hospital, Wuhan, Hubei, China
| | - Chengliang Xiong
- Family Planning Research Institute, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Tongji Reproductive Medicine Hospital, Wuhan, Hubei, China
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41
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Prakash A, Garcia-Moreno JF, Brown JAL, Bourke E. Clinically Applicable Inhibitors Impacting Genome Stability. Molecules 2018; 23:E1166. [PMID: 29757235 PMCID: PMC6100577 DOI: 10.3390/molecules23051166] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 04/27/2018] [Accepted: 05/01/2018] [Indexed: 12/14/2022] Open
Abstract
Advances in technology have facilitated the molecular profiling (genomic and transcriptomic) of tumours, and has led to improved stratification of patients and the individualisation of treatment regimes. To fully realize the potential of truly personalised treatment options, we need targeted therapies that precisely disrupt the compensatory pathways identified by profiling which allow tumours to survive or gain resistance to treatments. Here, we discuss recent advances in novel therapies that impact the genome (chromosomes and chromatin), pathways targeted and the stage of the pathways targeted. The current state of research will be discussed, with a focus on compounds that have advanced into trials (clinical and pre-clinical). We will discuss inhibitors of specific DNA damage responses and other genome stability pathways, including those in development, which are likely to synergistically combine with current therapeutic options. Tumour profiling data, combined with the knowledge of new treatments that affect the regulation of essential tumour signalling pathways, is revealing fundamental insights into cancer progression and resistance mechanisms. This is the forefront of the next evolution of advanced oncology medicine that will ultimately lead to improved survival and may, one day, result in many cancers becoming chronic conditions, rather than fatal diseases.
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Affiliation(s)
- Anu Prakash
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, H91 YR71 Galway, Ireland.
| | - Juan F Garcia-Moreno
- Discipline of Surgery, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, H91 YR71 Galway, Ireland.
| | - James A L Brown
- Discipline of Surgery, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, H91 YR71 Galway, Ireland.
| | - Emer Bourke
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, H91 YR71 Galway, Ireland.
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42
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Viganó C, von Schubert C, Ahrné E, Schmidt A, Lorber T, Bubendorf L, De Vetter JRF, Zaman GJR, Storchova Z, Nigg EA. Quantitative proteomic and phosphoproteomic comparison of human colon cancer DLD-1 cells differing in ploidy and chromosome stability. Mol Biol Cell 2018; 29:1031-1047. [PMID: 29496963 PMCID: PMC5921571 DOI: 10.1091/mbc.e17-10-0577] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 02/15/2018] [Accepted: 02/21/2018] [Indexed: 11/11/2022] Open
Abstract
Although aneuploidy is poorly tolerated during embryogenesis, aneuploidy and whole chromosomal instability (CIN) are common hallmarks of cancer, raising the question of how cancer cells can thrive in spite of chromosome aberrations. Here we present a comprehensive and quantitative proteomics analysis of isogenic DLD-1 colorectal adenocarcinoma cells lines, aimed at identifying cellular responses to changes in ploidy and/or CIN. Specifically, we compared diploid (2N) and tetraploid (4N) cells with posttetraploid aneuploid (PTA) clones and engineered trisomic clones. Our study provides a comparative data set on the proteomes and phosphoproteomes of the above cell lines, comprising several thousand proteins and phosphopeptides. In comparison to the parental 2N line, we observed changes in proteins associated with stress responses and with interferon signaling. Although we did not detect a conspicuous protein signature associated with CIN, we observed many changes in phosphopeptides that relate to fundamental cellular processes, including mitotic progression and spindle function. Most importantly, we found that most changes detectable in PTA cells were already present in the 4N progenitor line. This suggests that activation of mitotic pathways through hyper-phosphorylation likely constitutes an important response to chromosomal burden. In line with this conclusion, cells with extensive chromosome gains showed differential sensitivity toward a number of inhibitors targeting cell cycle kinases, suggesting that the efficacy of anti-mitotic drugs may depend on the karyotype of cancer cells.
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Affiliation(s)
| | | | - Erik Ahrné
- Biozentrum, University of Basel, 4056 Basel, Switzerland
| | | | - Thomas Lorber
- Institute of Pathology, University Hospital Basel, University of Basel, 4056 Basel, Switzerland
| | - Lukas Bubendorf
- Institute of Pathology, University Hospital Basel, University of Basel, 4056 Basel, Switzerland
| | | | - Guido J. R. Zaman
- Netherlands Translational Research Center B.V., 5340 Oss, The Netherlands
| | | | - Erich A. Nigg
- Biozentrum, University of Basel, 4056 Basel, Switzerland
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Patel N, Weekes D, Drosopoulos K, Gazinska P, Noel E, Rashid M, Mirza H, Quist J, Brasó-Maristany F, Mathew S, Ferro R, Pereira AM, Prince C, Noor F, Francesch-Domenech E, Marlow R, de Rinaldis E, Grigoriadis A, Linardopoulos S, Marra P, Tutt ANJ. Integrated genomics and functional validation identifies malignant cell specific dependencies in triple negative breast cancer. Nat Commun 2018; 9:1044. [PMID: 29535384 PMCID: PMC5849766 DOI: 10.1038/s41467-018-03283-z] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 02/01/2018] [Indexed: 12/31/2022] Open
Abstract
Triple negative breast cancers (TNBCs) lack recurrent targetable driver mutations but demonstrate frequent copy number aberrations (CNAs). Here, we describe an integrative genomic and RNAi-based approach that identifies and validates gene addictions in TNBCs. CNAs and gene expression alterations are integrated and genes scored for pre-specified target features revealing 130 candidate genes. We test functional dependence on each of these genes using RNAi in breast cancer and non-malignant cells, validating malignant cell selective dependence upon 37 of 130 genes. Further analysis reveals a cluster of 13 TNBC addiction genes frequently co-upregulated that includes genes regulating cell cycle checkpoints, DNA damage response, and malignant cell selective mitotic genes. We validate the mechanism of addiction to a potential drug target: the mitotic kinesin family member C1 (KIFC1/HSET), essential for successful bipolar division of centrosome-amplified malignant cells and develop a potential selection biomarker to identify patients with tumors exhibiting centrosome amplification.
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Affiliation(s)
- Nirmesh Patel
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Daniel Weekes
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Konstantinos Drosopoulos
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, SW7 3RP, UK
| | - Patrycja Gazinska
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Elodie Noel
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Mamun Rashid
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Hasan Mirza
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
- Cancer Bioinformatics, King's College London, London, SE1 9RT, UK
| | - Jelmar Quist
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
- Cancer Bioinformatics, King's College London, London, SE1 9RT, UK
| | - Fara Brasó-Maristany
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Sumi Mathew
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Riccardo Ferro
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Ana Mendes Pereira
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Cynthia Prince
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Farzana Noor
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Erika Francesch-Domenech
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Rebecca Marlow
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Emanuele de Rinaldis
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
- Precision Immunology Cluster, Sanofi, 640 Memorial Drive, Cambridge, MA, 02149, USA
| | - Anita Grigoriadis
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
- Cancer Bioinformatics, King's College London, London, SE1 9RT, UK
| | - Spiros Linardopoulos
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, SW7 3RP, UK
- Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, SM2 5NG, UK
| | - Pierfrancesco Marra
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK
| | - Andrew N J Tutt
- Breast Cancer Now Research Unit, King's College London, London, SE1 9RT, UK.
- School of Cancer and Pharmaceutical Sciences, King's Health Partners AHSC, Faculty of Life Sciences and Medicine, King's College London, London, WC2R 2LS, UK.
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, SW7 3RP, UK.
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Koo CY, Giacomini C, Reyes-Corral M, Olmos Y, Tavares IA, Marson CM, Linardopoulos S, Tutt AN, Morris JDH. Targeting TAO Kinases Using a New Inhibitor Compound Delays Mitosis and Induces Mitotic Cell Death in Centrosome Amplified Breast Cancer Cells. Mol Cancer Ther 2017; 16:2410-2421. [PMID: 28830982 DOI: 10.1158/1535-7163.mct-17-0077] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 05/31/2017] [Accepted: 07/25/2017] [Indexed: 11/16/2022]
Abstract
Thousand-and-one amino acid kinases (TAOK) 1 and 2 are activated catalytically during mitosis and can contribute to mitotic cell rounding and spindle positioning. Here, we characterize a compound that inhibits TAOK1 and TAOK2 activity with IC50 values of 11 to 15 nmol/L, is ATP-competitive, and targets these kinases selectively. TAOK inhibition or depletion in centrosome-amplified SKBR3 or BT549 breast cancer cell models increases the mitotic population, the percentages of mitotic cells displaying amplified centrosomes and multipolar spindles, induces cell death, and inhibits cell growth. In contrast, nontumorigenic and dividing bipolar MCF-10A breast cells appear less dependent on TAOK activity and can complete mitosis and proliferate in the presence of the TAOK inhibitor. We demonstrate that TAOK1 and TAOK2 localize to the cytoplasm and centrosomes respectively during mitosis. Live cell imaging shows that the TAOK inhibitor prolongs the duration of mitosis in SKBR3 cells, increases mitotic cell death, and reduces the percentages of cells exiting mitosis, whereas MCF-10A cells continue to divide and proliferate. Over 80% of breast cancer tissues display supernumerary centrosomes, and tumor cells frequently cluster extra centrosomes to avoid multipolar mitoses and associated cell death. Consequently, drugs that stimulate centrosome declustering and induce multipolarity are likely to target dividing centrosome-amplified cancer cells preferentially, while sparing normal bipolar cells. Our results demonstrate that TAOK inhibition can enhance centrosome declustering and mitotic catastrophe in cancer cells, and these proteins may therefore offer novel therapeutic targets suitable for drug inhibition and the potential treatment of breast cancers, where supernumerary centrosomes occur. Mol Cancer Ther; 16(11); 2410-21. ©2017 AACR.
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Affiliation(s)
- Chuay-Yeng Koo
- King's College London, School of Cancer Sciences, New Hunt's House, Guy's Campus, Great Maze Pond, London, United Kingdom
| | - Caterina Giacomini
- King's College London, School of Cancer Sciences, New Hunt's House, Guy's Campus, Great Maze Pond, London, United Kingdom
| | - Marta Reyes-Corral
- King's College London, School of Cancer Sciences, New Hunt's House, Guy's Campus, Great Maze Pond, London, United Kingdom
| | - Yolanda Olmos
- King's College London, School of Cancer Sciences, New Hunt's House, Guy's Campus, Great Maze Pond, London, United Kingdom
| | - Ignatius A Tavares
- King's College London, School of Cancer Sciences, New Hunt's House, Guy's Campus, Great Maze Pond, London, United Kingdom
| | - Charles M Marson
- Department of Chemistry, Christopher Ingold Laboratories, University College London, London, United Kingdom
| | - Spiros Linardopoulos
- Breast Cancer Now Toby Robins Research Centre, the Institute of Cancer Research, London, United Kingdom
| | - Andrew N Tutt
- Breast Cancer Now Toby Robins Research Centre, the Institute of Cancer Research, London, United Kingdom
- King's College London, School of Cancer Sciences, Breast Cancer Now Research Unit, Guy's Cancer Centre, Guy's Hospital, London, United Kingdom
| | - Jonathan D H Morris
- King's College London, School of Cancer Sciences, New Hunt's House, Guy's Campus, Great Maze Pond, London, United Kingdom.
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45
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Thompson LL, Jeusset LMP, Lepage CC, McManus KJ. Evolving Therapeutic Strategies to Exploit Chromosome Instability in Cancer. Cancers (Basel) 2017; 9:cancers9110151. [PMID: 29104272 PMCID: PMC5704169 DOI: 10.3390/cancers9110151] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Revised: 10/27/2017] [Accepted: 10/31/2017] [Indexed: 12/12/2022] Open
Abstract
Cancer is a devastating disease that claims over 8 million lives each year. Understanding the molecular etiology of the disease is critical to identify and develop new therapeutic strategies and targets. Chromosome instability (CIN) is an abnormal phenotype, characterized by progressive numerical and/or structural chromosomal changes, which is observed in virtually all cancer types. CIN generates intratumoral heterogeneity, drives cancer development, and promotes metastatic progression, and thus, it is associated with highly aggressive, drug-resistant tumors and poor patient prognosis. As CIN is observed in both primary and metastatic lesions, innovative strategies that exploit CIN may offer therapeutic benefits and better outcomes for cancer patients. Unfortunately, exploiting CIN remains a significant challenge, as the aberrant mechanisms driving CIN and their causative roles in cancer have yet to be fully elucidated. The development and utilization of CIN-exploiting therapies is further complicated by the associated risks for off-target effects and secondary cancers. Accordingly, this review will assess the strengths and limitations of current CIN-exploiting therapies, and discuss emerging strategies designed to overcome these challenges to improve outcomes and survival for patients diagnosed with cancer.
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Affiliation(s)
- Laura L Thompson
- Department of Biochemistry & Medical Genetics, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
- Research Institute in Oncology and Hematology, CancerCare Manitoba, Winnipeg, MB R3E 0V9, Canada.
| | - Lucile M-P Jeusset
- Department of Biochemistry & Medical Genetics, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
- Research Institute in Oncology and Hematology, CancerCare Manitoba, Winnipeg, MB R3E 0V9, Canada.
| | - Chloe C Lepage
- Department of Biochemistry & Medical Genetics, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
- Research Institute in Oncology and Hematology, CancerCare Manitoba, Winnipeg, MB R3E 0V9, Canada.
| | - Kirk J McManus
- Department of Biochemistry & Medical Genetics, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
- Research Institute in Oncology and Hematology, CancerCare Manitoba, Winnipeg, MB R3E 0V9, Canada.
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46
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Sampson J, O'Regan L, Dyer MJS, Bayliss R, Fry AM. Hsp72 and Nek6 Cooperate to Cluster Amplified Centrosomes in Cancer Cells. Cancer Res 2017; 77:4785-4796. [PMID: 28720575 DOI: 10.1158/0008-5472.can-16-3233] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 04/28/2017] [Accepted: 07/12/2017] [Indexed: 11/16/2022]
Abstract
Cancer cells frequently possess extra amplified centrosomes clustered into two poles whose pseudo-bipolar spindles exhibit reduced fidelity of chromosome segregation and promote genetic instability. Inhibition of centrosome clustering triggers multipolar spindle formation and mitotic catastrophe, offering an attractive therapeutic approach to selectively kill cells with amplified centrosomes. However, mechanisms of centrosome clustering remain poorly understood. Here, we identify a new pathway that acts through NIMA-related kinase 6 (Nek6) and Hsp72 to promote centrosome clustering. Nek6, as well as its upstream activators polo-like kinase 1 and Aurora-A, targeted Hsp72 to the poles of cells with amplified centrosomes. Unlike some centrosome declustering agents, blocking Hsp72 or Nek6 function did not induce formation of acentrosomal poles, meaning that multipolar spindles were observable only in cells with amplified centrosomes. Inhibition of Hsp72 in acute lymphoblastic leukemia cells resulted in increased multipolar spindle frequency that correlated with centrosome amplification, while loss of Hsp72 or Nek6 function in noncancer-derived cells disturbs neither spindle formation nor mitotic progression. Hence, the Nek6-Hsp72 module represents a novel actionable pathway for selective targeting of cancer cells with amplified centrosomes. Cancer Res; 77(18); 4785-96. ©2017 AACR.
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Affiliation(s)
- Josephina Sampson
- Department of Molecular and Cell Biology, University of Leicester, Leicester, United Kingdom
| | - Laura O'Regan
- Department of Molecular and Cell Biology, University of Leicester, Leicester, United Kingdom
| | - Martin J S Dyer
- Ernest and Helen Scott Haematological Research Institute, University of Leicester, Leicester, United Kingdom
| | - Richard Bayliss
- Astbury Centre for Structural Molecular Biology, Faculty of Biological Sciences, University of Leeds, Leeds, United Kingdom
| | - Andrew M Fry
- Department of Molecular and Cell Biology, University of Leicester, Leicester, United Kingdom.
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47
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RNAi screen reveals synthetic lethality between cyclin G-associated kinase and FBXW7 by inducing aberrant mitoses. Br J Cancer 2017; 117:954-964. [PMID: 28829765 PMCID: PMC5625678 DOI: 10.1038/bjc.2017.277] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 06/30/2017] [Accepted: 07/24/2017] [Indexed: 01/05/2023] Open
Abstract
Background: F-box and WD40 repeat domain-containing 7 (FBXW7) is an E3 ubiquitin ligase involved in the ubiquitination and degradation of multiple oncogenic substrates. The tumour suppressor function is frequently lost in multiple cancers through genetic deletion and mutations in a broad range of tumours. Loss of FBXW7 functionality results in the stabilisation of multiple major oncoproteins, culminating in increased cellular proliferation and pro-survival pathways, cell cycle deregulation, chromosomal instability and altered metabolism. Currently, there is no therapy to specifically target FBXW7-deficient tumours. Methods: We performed a siRNA kinome screen to identify synthetically lethal hits to FBXW7 deficiency. Results: We identified and validated cyclin G-associated kinase (GAK) as a potential new therapeutic target. Combined loss of FBXW7 and GAK caused cell cycle defects, formation of multipolar mitoses and the induction of apoptosis. The synthetic lethal mechanism appears to be independent of clathrin-mediated receptor endocytosis function of GAK. Conclusions: These data suggest a putative therapeutic strategy for a large number of different types of human cancers with FBXW7 loss, many of which have a paucity of molecular abnormalities and treatment options.
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Domingues PH, Nanduri LSY, Seget K, Venkateswaran SV, Agorku D, Viganó C, von Schubert C, Nigg EA, Swanton C, Sotillo R, Bosio A, Storchová Z, Hardt O. Cellular Prion Protein PrP C and Ecto-5'-Nucleotidase Are Markers of the Cellular Stress Response to Aneuploidy. Cancer Res 2017; 77:2914-2926. [PMID: 28377454 DOI: 10.1158/0008-5472.can-16-3052] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 01/23/2017] [Accepted: 03/20/2017] [Indexed: 11/16/2022]
Abstract
Aneuploidy is a hallmark of most human tumors, but the molecular physiology of aneuploid cells is not well characterized. In this study, we screened cell surface biomarkers of approximately 300 proteins by multiparameter flow cytometry using multiple aneuploid model systems such as cell lines, patient samples, and mouse models. Several new biomarkers were identified with altered expression in aneuploid cells, including overexpression of the cellular prion protein CD230/PrPC and the immunosuppressive cell surface enzyme ecto-5'-nucleotidase CD73. Functional analyses associated these alterations with increased cellular stress. An increased number of CD73+ cells was observed in confluent cultures in aneuploid cells relative to their diploid counterparts. An elevated expression in CD230/PrPC was observed in serum-deprived cells in association with increased generation of reactive oxygen species. Overall, our work identified biomarkers of aneuploid karyotypes, which suggest insights into the underlying molecular physiology of aneuploid cells. Cancer Res; 77(11); 2914-26. ©2017 AACR.
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Affiliation(s)
| | - Lalitha S Y Nanduri
- Miltenyi Biotec GmbH, Bergisch Gladbach, Germany.,Amrita Centre for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala, India
| | - Katarzyna Seget
- Group Maintenance of Genome Stability, Max Planck Institute of Biochemistry, Martinsried, Germany.,Department of Molecular Genetics, University of Kaiserslautern, Kaiserslautern, Germany
| | - Sharavan V Venkateswaran
- Division of Molecular Thoracic Oncology, Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
| | - David Agorku
- Miltenyi Biotec GmbH, Bergisch Gladbach, Germany
| | | | | | - Erich A Nigg
- Biozentrum, University of Basel, Basel, Switzerland
| | - Charles Swanton
- Translational Cancer Therapeutics Laboratory, Francis Crick Institute, London, United Kingdom
| | - Rocío Sotillo
- Division of Molecular Thoracic Oncology, Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
| | | | - Zuzana Storchová
- Group Maintenance of Genome Stability, Max Planck Institute of Biochemistry, Martinsried, Germany.,Department of Molecular Genetics, University of Kaiserslautern, Kaiserslautern, Germany
| | - Olaf Hardt
- Miltenyi Biotec GmbH, Bergisch Gladbach, Germany.
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49
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Dividing with Extra Centrosomes: A Double Edged Sword for Cancer Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1002:47-67. [DOI: 10.1007/978-3-319-57127-0_3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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50
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Abstract
For over a century, the abnormal movement or number of centrosomes has been linked with errors of chromosomes distribution in mitosis. While not essential for the formation of the mitotic spindle, the presence and location of centrosomes has a major influence on the manner in which microtubules interact with the kinetochores of replicated sister chromatids and the accuracy with which they migrate to resulting daughter cells. A complex network has evolved to ensure that cells contain the proper number of centrosomes and that their location is optimal for effective attachment of emanating spindle fibers with the kinetochores. The components of this network are regulated through a series of post-translational modifications, including ubiquitin and ubiquitin-like modifiers, which coordinate the timing and strength of signaling events key to the centrosome cycle. In this review, we examine the role of the ubiquitin system in the events relating to centriole duplication and centrosome separation, and discuss how the disruption of these functions impacts chromosome segregation.
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