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Hofste op Bruinink D, Kuiper R, van Duin M, Cupedo T, van der Velden VH, Hoogenboezem R, van der Holt B, Beverloo HB, Valent ET, Vermeulen M, Gay F, Broijl A, Avet-Loiseau H, Munshi NC, Musto P, Moreau P, Zweegman S, van de Donk NW, Sonneveld P. Identification of High-Risk Multiple Myeloma With a Plasma Cell Leukemia-Like Transcriptomic Profile. J Clin Oncol 2022; 40:3132-3150. [PMID: 35357885 PMCID: PMC9509081 DOI: 10.1200/jco.21.01217] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 01/15/2022] [Accepted: 02/11/2022] [Indexed: 12/24/2022] Open
Abstract
PURPOSE Primary plasma cell leukemia (pPCL) is an aggressive subtype of multiple myeloma, which is distinguished from newly diagnosed multiple myeloma (NDMM) on the basis of the presence of ≥ 20% circulating tumor cells (CTCs). A molecular marker for pPCL is currently lacking, which could help identify NDMM patients with high-risk PCL-like disease, despite not having been recognized as such clinically. METHODS A transcriptomic classifier for PCL-like disease was bioinformatically constructed and validated by leveraging information on baseline CTC levels, tumor burden, and tumor transcriptomics from 154 patients with NDMM included in the Cassiopeia or HO143 trials and 29 patients with pPCL from the EMN12/HO129 trial. Its prognostic value was assessed in an independent cohort of 2,139 patients with NDMM from the HOVON-65/GMMG-HD4, HOVON-87/NMSG-18, EMN02/HO95, MRC-IX, Total Therapy 2, Total Therapy 3, and MMRF CoMMpass studies. RESULTS High CTC levels were associated with the expression of 1,700 genes, independent of tumor burden (false discovery rate < 0.05). Of these, 54 genes were selected by leave-one-out cross-validation to construct a transcriptomic classifier representing PCL-like disease. This not only demonstrated a sensitivity of 93% to identify pPCL in the validation cohort but also classified 10% of NDMM tumors as PCL-like. PCL-like MM transcriptionally and cytogenetically resembled pPCL, but presented with significantly lower CTC levels and tumor burden. Multivariate analyses in NDMM confirmed the significant prognostic value of PCL-like status in the context of Revised International Staging System stage, age, and treatment, regarding both progression-free (hazard ratio, 1.64; 95% CI, 1.30 to 2.07) and overall survival (hazard ratio, 1.89; 95% CI, 1.42 to 2.50). CONCLUSION pPCL was identified on the basis of a specific tumor transcriptome, which was also present in patients with high-risk NDMM, despite not being clinically leukemic. Incorporating PCL-like status into current risk models in NDMM may improve prognostic accuracy.
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Affiliation(s)
- Davine Hofste op Bruinink
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
- Department of Immunology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Rowan Kuiper
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
- SkylineDx, Rotterdam, the Netherlands
| | - Mark van Duin
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Tom Cupedo
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | | | - Remco Hoogenboezem
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Bronno van der Holt
- HOVON Data Center, Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - H. Berna Beverloo
- Department of Clinical Genetics, Erasmus University Medical Center, Rotterdam, the Netherlands
| | | | - Michael Vermeulen
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Francesca Gay
- Myeloma Unit, Division of Hematology, University of Torino, Azienda Ospedaliero-Universitaria Città della Salute e della Scienza di Torino, Torino, Italy
| | - Annemiek Broijl
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | | | - Nikhil C. Munshi
- Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Pellegrino Musto
- “Aldo Moro” University School of Medicine, Unit of Hematology and Stem Cell Transplantation, AOUC Policlinico, Bari, Italy
| | - Philippe Moreau
- Hematology Department, University Hospital Hôtel-Dieu, Nantes, France
| | - Sonja Zweegman
- Department of Hematology, Amsterdam UMC, Vrije Universiteit Amsterdam, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Niels W.C.J. van de Donk
- Department of Hematology, Amsterdam UMC, Vrije Universiteit Amsterdam, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Pieter Sonneveld
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
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High CENPM mRNA expression and its prognostic significance in hepatocellular carcinoma: a study based on data mining. Cancer Cell Int 2020; 20:406. [PMID: 32863765 PMCID: PMC7448434 DOI: 10.1186/s12935-020-01499-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 08/17/2020] [Indexed: 12/21/2022] Open
Abstract
Background Hepatocellular carcinoma (HCC) is a high mortality disease, the fifth most general cancer worldwide, and the second leading to cancer-related deaths, with more than 500,000 new patients diagnosed each year. First, the high expression of centromere M (CENPM) in mammary gland tissue of b-catenin transformed mice was identified. Materials and methods In our study, we evaluated the expression of CENPM in hepatocellular carcinoma based on data obtained from an online database. Multivariate analysis showed that the expression of CENPM and M classification was an independent prognostic factor for patients with hepatocellular carcinoma. Results Survival analysis showed that patients with high CENPM had a worse prognosis than patients with low CENPM (P < 0.01). A multivariate Cox regression hazard model showed that B cells, CD8+ T cells, macrophages, and dendritic cells infiltrated by immune cells were statistically significant in liver cancer (P < 0.05). Using the network, the 50 most frequently changed neighbor genes of CENPM were shown, and the most common change was RAD21 (18.3%). Conclusion Our study found that the expression of CENPM was significantly increased in patients with hepatocellular carcinoma, and it was related to a variety of clinical characteristics, its correlation with the level of immune infiltration and poor prognosis, so CENPM can be used as a useful prognosis for patients' markers and HCC.
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Zheng C, Zhang T, Li D, Huang C, Tang H, Ni XF, Chen B. Upregulation of CENPM facilitates tumor metastasis via the mTOR/p70S6K signaling pathway in pancreatic cancer. Oncol Rep 2020; 44:1003-1012. [PMID: 32705259 PMCID: PMC7388243 DOI: 10.3892/or.2020.7673] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 06/05/2020] [Indexed: 12/11/2022] Open
Abstract
Pancreatic cancer is a severe disease with high morbidity and mortality. However, the primary molecular mechanisms of pancreatic tumor formation and progression remain unclear. The present study using sequencing technology revealed that the centromere protein M (CENPM) gene was overexpressed in pancreatic cancer tissues. CENPM is one of the components of a complex that plays a central role in kinetochore protein assembly, mitotic progression and chromosome segregation. However, the biological function of CENPM in pancreatic cancer has yet to be determined. Hence, two effective siRNAs were designed to knock down CENPM. Notably, downregulation of CENPM inhibited pancreatic cancer cell proliferation, altered the cell cycle and limited pancreatic cancer cell migration and invasion via the mTOR/p70S6K signaling pathway. This research provides new evidence that CENPM overexpression plays a significant role in the progression of pancreatic cancer. Overall, the present findings indicated that CENPM may be a significant biomarker for predicting the development and progression of pancreatic malignancy.
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Affiliation(s)
- Chenlei Zheng
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‑Pancreatic Diseases of Zhejiang Province, Zhejiang Provincial Top Key Discipline in Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Tan Zhang
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‑Pancreatic Diseases of Zhejiang Province, Zhejiang Provincial Top Key Discipline in Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Ding Li
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‑Pancreatic Diseases of Zhejiang Province, Zhejiang Provincial Top Key Discipline in Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Chongchu Huang
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‑Pancreatic Diseases of Zhejiang Province, Zhejiang Provincial Top Key Discipline in Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Hengjie Tang
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‑Pancreatic Diseases of Zhejiang Province, Zhejiang Provincial Top Key Discipline in Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Xiao-Feng Ni
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‑Pancreatic Diseases of Zhejiang Province, Zhejiang Provincial Top Key Discipline in Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Bicheng Chen
- Key Laboratory of Diagnosis and Treatment of Severe Hepato‑Pancreatic Diseases of Zhejiang Province, Zhejiang Provincial Top Key Discipline in Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
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Xiao Y, Najeeb RM, Ma D, Yang K, Zhong Q, Liu Q. Upregulation of CENPM promotes hepatocarcinogenesis through mutiple mechanisms. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:458. [PMID: 31703591 PMCID: PMC6839178 DOI: 10.1186/s13046-019-1444-0] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Accepted: 10/10/2019] [Indexed: 01/10/2023]
Abstract
Background Hepatocellular carcinoma (HCC) still remains a dominating medical challenge in early diagnosis and clinical therapy. Centromere protein M (CENPM) has been proved to be over-expressed in HCC tissues, but carcinogenic mechanism of CENPM contributing to liver cancer is poorly understood. Methods In this study, we first explored mRNA and protein levels of CENPM in HCC samples, matching adjacent non-tumor tissues and six hepatoma cell lines by polymerase chain reaction (PCR), western blotting and immunohistochemistry (IHC). Clinical data of HCC patients downloaded from The Cancer Genome Atlas (TCGA) were also analyzed. The character of CENPM concerned with HCC progression through several functional experimentations in vitro and in vivo was researched. Bioinformatics was carried out to further discover biological functions of CENPM. Results CENPM was positively up-regulated in HCC and connected with a poor prognosis. Silencing CENPM repressed cell proliferation in vivo and in vitro, and knock-down CENPM inhibited cell migration and invasion. Additionally, depletion of CENPM can promote cell apoptosis and arrested cell cycle. Furthermore, single-gene gene set enrichment analysis (GSEA) analysis indicated that CENPM was linked to the P53 signaling pathway and cell cycle pathway, and our research supported this prediction. Finally, we also found that miR-1270 was a negative regulator and participated in post-transcriptional regulation of CENPM, and hepatitis B virus X protein (HBx) can promote hepatocellular carcinoma by suppressing miR1270. Conclusion CENPM was closely associated with HCC progression and it could be considered as a new possible biomarker along with a therapeutic target for HCC.
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Affiliation(s)
- Yusha Xiao
- Department of General Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
| | - Rahmathullah Mohamed Najeeb
- Department of General Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
| | - Dong Ma
- Department of General Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
| | - Kang Yang
- Department of Urology, Renmin Hospital of Wuhan University, Hubei, China
| | - Qiu Zhong
- Department of General Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China
| | - Quanyan Liu
- Department of General Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, People's Republic of China.
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Kim WT, Seo SP, Byun YJ, Kang HW, Kim YJ, Lee SC, Jeong P, Song HJ, Choe SY, Kim DJ, Kim SK, Ha YS, Moon SK, Lee GT, Kim IY, Yun SJ, Kim WJ. The Anticancer Effects of Garlic Extracts on Bladder Cancer Compared to Cisplatin: A Common Mechanism of Action via Centromere Protein M. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2018; 46:689-705. [PMID: 29595070 DOI: 10.1142/s0192415x18500362] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Although garlic induces apoptosis in cancer cells, it is unclear whether the effects are similar to those of cisplatin against bladder cancer (BC). Therefore, this study investigated whether garlic extracts and cisplatin show similar activity when used to treat BC. The effect of garlic on T24 BC cell line was examined in a BALB/C-nude mouse xenograft model and compared with that of cisplatin. Tissue microarray analysis and gene network analysis were performed to identify differences in gene expression by control tumors and tumors exposed to garlic extract or cisplatin. Investigation of gene expression based on tissues from 165 BC patients and normal controls was then performed to identify common targets of garlic and cisplatin. Tumor volume and tumor weight in cisplatin (0.05[Formula: see text]mg/kg)- and garlic-treated mice were significantly smaller than those in negative control mice. However, cisplatin-treated mice also showed a significant reduction in body weight. Microarray analysis of tumor tissue identified 515 common anticancer genes in the garlic and cisplatin groups ([Formula: see text]). Gene network analysis of 252 of these genes using the Cytoscape and ClueGo software packages mapped 17 genes and 9 gene ontologies to gene networks. BC (NMIBC and MIBC) patients with low expression of centromere protein M (CENPM) showed significantly better progression-free survival than those with high expression. Garlic extract shows anticancer activity in vivo similar to that of cisplatin, with no evident of side effects. Both appear to act by targeting protein-DNA complex assembly; in particular, expression of CENPM.
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Affiliation(s)
- Won Tae Kim
- * Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk, South Korea.,† Department of Urology, Chungbuk National University Hospital, Cheongju, Chungbuk, South Korea
| | - Sung-Pil Seo
- † Department of Urology, Chungbuk National University Hospital, Cheongju, Chungbuk, South Korea
| | - Young Joon Byun
- * Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk, South Korea
| | - Ho-Won Kang
- † Department of Urology, Chungbuk National University Hospital, Cheongju, Chungbuk, South Korea
| | - Yong-June Kim
- * Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk, South Korea.,† Department of Urology, Chungbuk National University Hospital, Cheongju, Chungbuk, South Korea
| | - Sang-Cheol Lee
- * Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk, South Korea.,† Department of Urology, Chungbuk National University Hospital, Cheongju, Chungbuk, South Korea
| | - Pildu Jeong
- * Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk, South Korea
| | | | - Soo Young Choe
- ‡ EBO Co. Ltd., Cheongju, South Korea.,§ Department of Biology, School of Life Sciences, Chungbuk National University, Cheongju, South Korea
| | | | - Seon-Kyu Kim
- ∥ Medical Genomics Research Center, Korean Bioinformation Center, Korea Research Institute of Bioscience and Biotechnology, Department of Functional Genomics, University of Science and Technology, Daejeon, South Korea
| | - Yun Sok Ha
- ** Department of Urology, School of Medicine, Kyungpook National University, Daegu, South Korea
| | - Sung-Kwon Moon
- †† School of Food Science and Technology, Chung-Ang University, Anseong, South Korea
| | - Geun Taek Lee
- ‡‡ Section of Urological Oncology, The Cancer Institute of New Jersey, Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Isaac Yi Kim
- ‡‡ Section of Urological Oncology, The Cancer Institute of New Jersey, Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Seok Joong Yun
- * Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk, South Korea.,† Department of Urology, Chungbuk National University Hospital, Cheongju, Chungbuk, South Korea
| | - Wun-Jae Kim
- * Department of Urology, Chungbuk National University College of Medicine, Cheongju, Chungbuk, South Korea.,† Department of Urology, Chungbuk National University Hospital, Cheongju, Chungbuk, South Korea
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Imgenberg-Kreuz J, Carlsson Almlöf J, Leonard D, Alexsson A, Nordmark G, Eloranta ML, Rantapää-Dahlqvist S, Bengtsson AA, Jönsen A, Padyukov L, Gunnarsson I, Svenungsson E, Sjöwall C, Rönnblom L, Syvänen AC, Sandling JK. DNA methylation mapping identifies gene regulatory effects in patients with systemic lupus erythematosus. Ann Rheum Dis 2018; 77:736-743. [PMID: 29437559 PMCID: PMC5909746 DOI: 10.1136/annrheumdis-2017-212379] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 01/11/2018] [Accepted: 01/15/2018] [Indexed: 11/18/2022]
Abstract
Objectives Systemic lupus erythematosus (SLE) is a chronic autoimmune condition with heterogeneous presentation and complex aetiology where DNA methylation changes are emerging as a contributing factor. In order to discover novel epigenetic associations and investigate their relationship to genetic risk for SLE, we analysed DNA methylation profiles in a large collection of patients with SLE and healthy individuals. Methods DNA extracted from blood from 548 patients with SLE and 587 healthy controls were analysed on the Illumina HumanMethylation 450 k BeadChip, which targets 485 000 CpG sites across the genome. Single nucleotide polymorphism (SNP) genotype data for 196 524 SNPs on the Illumina ImmunoChip from the same individuals were utilised for methylation quantitative trait loci (cis-meQTLs) analyses. Results We identified and replicated differentially methylated CpGs (DMCs) in SLE at 7245 CpG sites in the genome. The largest methylation differences were observed at type I interferon-regulated genes which exhibited decreased methylation in SLE. We mapped cis-meQTLs and identified genetic regulation of methylation levels at 466 of the DMCs in SLE. The meQTLs for DMCs in SLE were enriched for genetic association to SLE, and included seven SLE genome-wide association study (GWAS) loci: PTPRC (CD45), MHC-class III, UHRF1BP1, IRF5, IRF7, IKZF3 and UBE2L3. In addition, we observed association between genotype and variance of methylation at 20 DMCs in SLE, including at the HLA-DQB2 locus. Conclusions Our results suggest that several of the genetic risk variants for SLE may exert their influence on the phenotype through alteration of DNA methylation levels at regulatory regions of target genes.
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Affiliation(s)
- Juliana Imgenberg-Kreuz
- Department of Medical Sciences, Molecular Medicine and Science for Life Laboratory, Uppsala University, Uppsala, Sweden.,Section of Rheumatology, Department of Medical Sciences, Uppsala University, Upssala, Sweden
| | - Jonas Carlsson Almlöf
- Department of Medical Sciences, Molecular Medicine and Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Dag Leonard
- Section of Rheumatology, Department of Medical Sciences, Uppsala University, Upssala, Sweden
| | - Andrei Alexsson
- Section of Rheumatology, Department of Medical Sciences, Uppsala University, Upssala, Sweden
| | - Gunnel Nordmark
- Section of Rheumatology, Department of Medical Sciences, Uppsala University, Upssala, Sweden
| | - Maija-Leena Eloranta
- Section of Rheumatology, Department of Medical Sciences, Uppsala University, Upssala, Sweden
| | | | - Anders A Bengtsson
- Department of Clinical Sciences, Section of Rheumatology, Lund University, Skane University Hospital, Lund, Sweden
| | - Andreas Jönsen
- Department of Clinical Sciences, Section of Rheumatology, Lund University, Skane University Hospital, Lund, Sweden
| | - Leonid Padyukov
- Rheumatology Unit, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Iva Gunnarsson
- Rheumatology Unit, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Elisabet Svenungsson
- Rheumatology Unit, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Christopher Sjöwall
- Department of Clinical and Experimental Medicine, Rheumatology/Division of Neuro and Inflammation Sciences, Linköping University, Linköping, Sweden
| | - Lars Rönnblom
- Section of Rheumatology, Department of Medical Sciences, Uppsala University, Upssala, Sweden
| | - Ann-Christine Syvänen
- Department of Medical Sciences, Molecular Medicine and Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Johanna K Sandling
- Department of Medical Sciences, Molecular Medicine and Science for Life Laboratory, Uppsala University, Uppsala, Sweden.,Section of Rheumatology, Department of Medical Sciences, Uppsala University, Upssala, Sweden
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Basilico F, Maffini S, Weir JR, Prumbaum D, Rojas AM, Zimniak T, De Antoni A, Jeganathan S, Voss B, van Gerwen S, Krenn V, Massimiliano L, Valencia A, Vetter IR, Herzog F, Raunser S, Pasqualato S, Musacchio A. The pseudo GTPase CENP-M drives human kinetochore assembly. eLife 2014; 3:e02978. [PMID: 25006165 PMCID: PMC4080450 DOI: 10.7554/elife.02978] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Kinetochores, multi-subunit complexes that assemble at the interface with centromeres, bind spindle microtubules to ensure faithful delivery of chromosomes during cell division. The configuration and function of the kinetochore-centromere interface is poorly understood. We report that a protein at this interface, CENP-M, is structurally and evolutionarily related to small GTPases but is incapable of GTP-binding and conformational switching. We show that CENP-M is crucially required for the assembly and stability of a tetramer also comprising CENP-I, CENP-H, and CENP-K, the HIKM complex, which we extensively characterize through a combination of structural, biochemical, and cell biological approaches. A point mutant affecting the CENP-M/CENP-I interaction hampers kinetochore assembly and chromosome alignment and prevents kinetochore recruitment of the CENP-T/W complex, questioning a role of CENP-T/W as founder of an independent axis of kinetochore assembly. Our studies identify a single pathway having CENP-C as founder, and CENP-H/I/K/M and CENP-T/W as CENP-C-dependent followers.DOI: http://dx.doi.org/10.7554/eLife.02978.001.
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Affiliation(s)
- Federica Basilico
- Department of Mechanistic Cell Biology, Max Planck Institute of Molecular Physiology, Dortmund, Germany Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
| | - Stefano Maffini
- Department of Mechanistic Cell Biology, Max Planck Institute of Molecular Physiology, Dortmund, Germany
| | - John R Weir
- Department of Mechanistic Cell Biology, Max Planck Institute of Molecular Physiology, Dortmund, Germany
| | - Daniel Prumbaum
- Department of Physical Biochemistry, Max Planck Institute of Molecular Physiology, Dortmund, Germany
| | - Ana M Rojas
- Computational Biology and Bioinformatics Group, Institute of Biomedicine of Seville, Campus Hospital Universitario Virgen del Rocio, Seville, Spain
| | - Tomasz Zimniak
- Department of Biochemistry and Gene Center, Ludwig-Maximilians-Universität, München, Munich, Germany
| | - Anna De Antoni
- Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
| | - Sadasivam Jeganathan
- Department of Mechanistic Cell Biology, Max Planck Institute of Molecular Physiology, Dortmund, Germany
| | - Beate Voss
- Department of Mechanistic Cell Biology, Max Planck Institute of Molecular Physiology, Dortmund, Germany
| | - Suzan van Gerwen
- Department of Mechanistic Cell Biology, Max Planck Institute of Molecular Physiology, Dortmund, Germany
| | - Veronica Krenn
- Department of Mechanistic Cell Biology, Max Planck Institute of Molecular Physiology, Dortmund, Germany Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
| | - Lucia Massimiliano
- Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
| | - Alfonso Valencia
- Structural Biology and Biocomputing Programme, Spanish National Cancer Centre-CNIO, Madrid, Spain
| | - Ingrid R Vetter
- Department of Mechanistic Cell Biology, Max Planck Institute of Molecular Physiology, Dortmund, Germany
| | - Franz Herzog
- Department of Biochemistry and Gene Center, Ludwig-Maximilians-Universität, München, Munich, Germany
| | - Stefan Raunser
- Department of Physical Biochemistry, Max Planck Institute of Molecular Physiology, Dortmund, Germany
| | | | - Andrea Musacchio
- Department of Mechanistic Cell Biology, Max Planck Institute of Molecular Physiology, Dortmund, Germany Centre for Medical Biotechnology, Faculty of Biology, University of Duisburg-Essen, Essen, Germany
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Abstract
The centromere is essential for accurate chromosome segregation during mitosis and meiosis to achieve transmission of genetic information to daughter cells. To facilitate accurate chromosome segregation, the centromere serves several specific functions, including microtubule binding, spindle-checkpoint control, and sister chromatid cohesion. The kinetochore is formed on the centromere to achieve these functions. To understand kinetochore structure and function, it is critical to identify the protein components of the kinetochore and characterize the functional properties of each component. Here, we review recent progress with regard to the molecular architecture of the kinetochore and discuss the future directions for centromere biology.
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Perpelescu M, Fukagawa T. The ABCs of CENPs. Chromosoma 2011; 120:425-46. [PMID: 21751032 DOI: 10.1007/s00412-011-0330-0] [Citation(s) in RCA: 151] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2011] [Revised: 06/28/2011] [Accepted: 06/28/2011] [Indexed: 01/08/2023]
Abstract
Equal distribution of DNA in mitosis requires the assembly of a large proteinaceous ensemble onto the centromeric DNA, called the kinetochore. With few exceptions, kinetochore specification is independent of the DNA sequence and is determined epigenetically by deposition at the centromeric chromatin of special nucleosomes containing an H3-related histone, CENP-A. Onto centromeric CENP-A chromatin is assembled the so-called constitutive centromere-associated network (CCAN) of 16 proteins distributed in several functional groups as follows: CENP-C, CENP-H/CENP-I/CENP-K/, CENP-L/CENP-M/CENP-N, CENP-O/CENP-P/CENP-Q/CENP-R/CENP-U(50), CENP-T/CENP-W, and CENP-S/CENP-X. One role of the CCAN is to recruit outer kinetochore components further, such as KNL1, the Mis12 complex, and the Ndc80 complex (KMN network) to which attach the spindle microtubules with their structural and regulatory proteins. Among the CENPs in CCAN, CENP-C and CENP-T are required in parallel for operational kinetochore specification and spindle attachment. This review presents discussion of the latest structural and functional data on CENP-A and CENPs from the CCAN as well as their interaction with the KMN network.
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Affiliation(s)
- Marinela Perpelescu
- Department of Molecular Genetics, National Institute of Genetics and the Graduate University for Advanced Studies, Mishima, Shizuoka, Japan
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Huang H, Deng H, Yang Y, Tang Z, Yang S, Mu Y, Cui W, Yuan J, Wu Z, Li K. Molecular characterization and association analysis of porcine PANE1 gene. Mol Biol Rep 2009; 37:2571-7. [PMID: 19711193 DOI: 10.1007/s11033-009-9775-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2009] [Accepted: 08/18/2009] [Indexed: 10/20/2022]
Abstract
The proliferation associated nuclear element 1 (PANE1) is a novel gene that is involved in immune response besides its primary role in centromere assembly. Different PANE1 transcripts show a distinct expression patterns in resting and activated CD19+ cells. In this study, we cloned and characterized the cDNA sequence of porcine PANE1, which shares high sequence identity with their mammalian counterparts. Chromosome localization by INRA IMpRH panel assigned this gene to SSC 5p14-p15, and it was closely linked to porcine ACO2 and CYP25 genes (61cR, LOD score 4.91). The reverse transcriptase-polymerase chain reaction revealed that porcine PANE1 gene was differently expressed in seven diverse tissues, showed highest expression level in lymph node, but lowest in kidney. A single nucleotide polymorphism (SNP) (C>A) which can be digested by restriction enzyme BssHII was identified in intron 1 of porcine PANE1, allele frequencies determination in different pig breeds and association analysis were performed on this SNP BssHII by PCR-restriction fragment length polymorphism assay. Allele frequencies varied greatly among different pig breeds, and the association results indicated that piglet individuals with the AA genotype had significantly higher levels of lymphocyte percentage (LYMPH%) (17 days) (P = 0.0218), mean corpuscular volume (32 days) (P = 0.0314) and absolute value of lymphocyte (LYMPH#) (32 days) (P = 0.0356), but lower (P < 0.0001) birth weight than those with other two genotypes.
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Affiliation(s)
- Honggang Huang
- Key Laboratory for Farm Animal Genetic Resources and Utilization of Ministry of Agriculture of China, Institute of Animal Science, Chinese Academy of Agricultural Sciences, 100193 Beijing, China
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Okada M, Cheeseman IM, Hori T, Okawa K, McLeod IX, Yates JR, Desai A, Fukagawa T. The CENP-H-I complex is required for the efficient incorporation of newly synthesized CENP-A into centromeres. Nat Cell Biol 2006; 8:446-57. [PMID: 16622420 DOI: 10.1038/ncb1396] [Citation(s) in RCA: 396] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2006] [Accepted: 03/23/2006] [Indexed: 11/09/2022]
Abstract
In vertebrates, centromeres lack defined sequences and are thought to be propagated by epigenetic mechanisms involving the incorporation of specialized nucleosomes containing the histone H3 variant centromere protein (CENP)-A. However, the precise mechanisms that target CENP-A to centromeres remain poorly understood. Here, we isolated a multi-subunit complex, which includes the established inner kinetochore components CENP-H and CENP-I, and nine other proteins, from both human and chicken cells. Our analysis of these proteins demonstrates that the CENP-H-I complex can be divided into three functional sub-complexes, each of which is required for faithful chromosome segregation. Interestingly, newly expressed CENP-A is not efficiently incorporated into centromeres in knockout mutants of a subclass of CENP-H-I complex proteins, indicating that the CENP-H-I complex may function, in part, as a marker directing CENP-A deposition to centromeres.
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Affiliation(s)
- Masahiro Okada
- Department of Molecular Genetics, National Institute of Genetics and The Graduate University for Advanced Studies, Mishima, Shizuoka 411-8540, Japan
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12
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Foltz DR, Jansen LET, Black BE, Bailey AO, Yates JR, Cleveland DW. The human CENP-A centromeric nucleosome-associated complex. Nat Cell Biol 2006; 8:458-69. [PMID: 16622419 DOI: 10.1038/ncb1397] [Citation(s) in RCA: 541] [Impact Index Per Article: 30.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2006] [Accepted: 04/03/2006] [Indexed: 11/09/2022]
Abstract
The basic element for chromosome inheritance, the centromere, is epigenetically determined in mammals. The prime candidate for specifying centromere identity is the array of nucleosomes assembled with CENP-A, the centromere-specific histone H3 variant. Here, we show that CENP-A nucleosomes directly recruit a proximal CENP-A nucleosome associated complex (NAC) comprised of three new human centromere proteins (CENP-M, CENP-N and CENP-T), along with CENP-U(50), CENP-C and CENP-H. Assembly of the CENP-A NAC at centromeres is dependent on CENP-M, CENP-N and CENP-T. Facilitates chromatin transcription (FACT) and nucleophosmin-1 (previously implicated in transcriptional chromatin remodelling and as a multifunctional nuclear chaperone, respectively) are absent from histone H3-containing nucleosomes, but are stably recruited to CENP-A nucleosomes independent of CENP-A NAC. Seven new CENP-A-nucleosome distal (CAD) centromere components (CENP-K, CENP-L, CENP-O, CENP-P, CENP-Q, CENP-R and CENP-S) are identified as assembling on the CENP-A NAC. The CENP-A NAC is essential, as disruption of the complex causes errors of chromosome alignment and segregation that preclude cell survival despite continued centromere-derived mitotic checkpoint signalling.
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Affiliation(s)
- Daniel R Foltz
- Ludwig Institute for Cancer Research, University of California at San Diego, La Jolla, CA 92093-0670, USA
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13
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Brickner AG, Evans AM, Mito JK, Xuereb SM, Feng X, Nishida T, Fairfull L, Ferrell RE, Foon KA, Hunt DF, Shabanowitz J, Engelhard VH, Riddell SR, Warren EH. The PANE1 gene encodes a novel human minor histocompatibility antigen that is selectively expressed in B-lymphoid cells and B-CLL. Blood 2006; 107:3779-86. [PMID: 16391015 PMCID: PMC1895781 DOI: 10.1182/blood-2005-08-3501] [Citation(s) in RCA: 87] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Minor histocompatibility antigens (mHAg's) are peptides encoded by polymorphic genes that are presented by major histocompatibility complex (MHC) molecules and recognized by T cells in recipients of allogeneic hematopoietic cell transplants. Here we report that an alternative transcript of the proliferation-associated nuclear element 1 (PANE1) gene encodes a novel human leukocyte antigen (HLA)-A(*)0301-restricted mHAg that is selectively expressed in B-lymphoid cells. The antigenic peptide is entirely encoded within a unique exon not present in other PANE1 transcripts. Sequencing of PANE1 alleles in mHAg-positive and mHAg-negative cells demonstrates that differential T-cell recognition is due to a single nucleotide polymorphism within the variant exon that replaces an arginine codon with a translation termination codon. The PANE1 transcript that encodes the mHAg is expressed at high levels in resting CD19(+) B cells and B-lineage chronic lymphocytic leukemia (B-CLL) cells, and at significantly lower levels in activated B cells. Activation of B-CLL cells through CD40 ligand (CD40L) stimulation decreases expression of the mHAg-encoding PANE1 transcript and reciprocally increases expression of PANE1 transcripts lacking the mHAg-encoding exon. These studies suggest distinct roles for different PANE1 isoforms in resting compared with activated CD19(+) cells, and identify PANE1 as a potential therapeutic target in B-CLL.
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MESH Headings
- Alternative Splicing
- Amino Acid Sequence
- Antigens, CD19/metabolism
- B-Lymphocytes/immunology
- Base Sequence
- Cell Cycle Proteins
- DNA/genetics
- Epitopes/chemistry
- Gene Expression
- HLA-A Antigens/genetics
- HLA-A3 Antigen
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/immunology
- Lymphocyte Activation
- Minor Histocompatibility Antigens/chemistry
- Minor Histocompatibility Antigens/genetics
- Minor Histocompatibility Loci
- Molecular Sequence Data
- Nuclear Proteins/chemistry
- Nuclear Proteins/genetics
- Nuclear Proteins/immunology
- Spectrometry, Mass, Electrospray Ionization
- T-Lymphocytes, Cytotoxic/immunology
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Affiliation(s)
- Anthony G Brickner
- Department of Medicine, Unviersity of Pittsburgh School of Medicine, University of Pittsburgh Cancer Institute, PA, USA
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