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  • Female  (18)
  • Amino Acid Sequence  (6)
  • 1
    Publication Date: 2012-08-03
    Description: Glioblastoma multiforme is the most common primary malignant brain tumour, with a median survival of about one year. This poor prognosis is due to therapeutic resistance and tumour recurrence after surgical removal. Precisely how recurrence occurs is unknown. Using a genetically engineered mouse model of glioma, here we identify a subset of endogenous tumour cells that are the source of new tumour cells after the drug temozolomide (TMZ) is administered to transiently arrest tumour growth. A nestin-DeltaTK-IRES-GFP (Nes-DeltaTK-GFP) transgene that labels quiescent subventricular zone adult neural stem cells also labels a subset of endogenous glioma tumour cells. On arrest of tumour cell proliferation with TMZ, pulse-chase experiments demonstrate a tumour re-growth cell hierarchy originating with the Nes-DeltaTK-GFP transgene subpopulation. Ablation of the GFP+ cells with chronic ganciclovir administration significantly arrested tumour growth, and combined TMZ and ganciclovir treatment impeded tumour development. Thus, a relatively quiescent subset of endogenous glioma cells, with properties similar to those proposed for cancer stem cells, is responsible for sustaining long-term tumour growth through the production of transient populations of highly proliferative cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3427400/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3427400/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Jian -- Li, Yanjiao -- Yu, Tzong-Shiue -- McKay, Renee M -- Burns, Dennis K -- Kernie, Steven G -- Parada, Luis F -- R01 CA131313/CA/NCI NIH HHS/ -- R01 NS048192-01/NS/NINDS NIH HHS/ -- England -- Nature. 2012 Aug 23;488(7412):522-6. doi: 10.1038/nature11287.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology, University of Texas Southwestern Medical Center, Dallas, Texas 75390-9133, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22854781" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antineoplastic Agents, Alkylating/pharmacology/therapeutic use ; Brain Neoplasms/*drug therapy/*pathology ; Cell Proliferation/drug effects ; Cell Tracking ; Dacarbazine/*analogs & derivatives/pharmacology/therapeutic use ; Disease Models, Animal ; Disease Progression ; Female ; Ganciclovir/pharmacology ; Glioblastoma/*drug therapy/*pathology ; Green Fluorescent Proteins/genetics/metabolism ; Male ; Mice ; Mice, Transgenic ; Neoplastic Stem Cells/*drug effects/*pathology ; Neural Stem Cells/drug effects/pathology ; Transgenes/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2014-03-29
    Description: Oesophageal cancer is one of the most aggressive cancers and is the sixth leading cause of cancer death worldwide. Approximately 70% of global oesophageal cancer cases occur in China, with oesophageal squamous cell carcinoma (ESCC) being the histopathological form in the vast majority of cases (〉90%). Currently, there are limited clinical approaches for the early diagnosis and treatment of ESCC, resulting in a 10% five-year survival rate for patients. However, the full repertoire of genomic events leading to the pathogenesis of ESCC remains unclear. Here we describe a comprehensive genomic analysis of 158 ESCC cases, as part of the International Cancer Genome Consortium research project. We conducted whole-genome sequencing in 17 ESCC cases and whole-exome sequencing in 71 cases, of which 53 cases, plus an additional 70 ESCC cases not used in the whole-genome and whole-exome sequencing, were subjected to array comparative genomic hybridization analysis. We identified eight significantly mutated genes, of which six are well known tumour-associated genes (TP53, RB1, CDKN2A, PIK3CA, NOTCH1, NFE2L2), and two have not previously been described in ESCC (ADAM29 and FAM135B). Notably, FAM135B is identified as a novel cancer-implicated gene as assayed for its ability to promote malignancy of ESCC cells. Additionally, MIR548K, a microRNA encoded in the amplified 11q13.3-13.4 region, is characterized as a novel oncogene, and functional assays demonstrate that MIR548K enhances malignant phenotypes of ESCC cells. Moreover, we have found that several important histone regulator genes (MLL2 (also called KMT2D), ASH1L, MLL3 (KMT2C), SETD1B, CREBBP and EP300) are frequently altered in ESCC. Pathway assessment reveals that somatic aberrations are mainly involved in the Wnt, cell cycle and Notch pathways. Genomic analyses suggest that ESCC and head and neck squamous cell carcinoma share some common pathogenic mechanisms, and ESCC development is associated with alcohol drinking. This study has explored novel biological markers and tumorigenic pathways that would greatly improve therapeutic strategies for ESCC.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Song, Yongmei -- Li, Lin -- Ou, Yunwei -- Gao, Zhibo -- Li, Enmin -- Li, Xiangchun -- Zhang, Weimin -- Wang, Jiaqian -- Xu, Liyan -- Zhou, Yong -- Ma, Xiaojuan -- Liu, Lingyan -- Zhao, Zitong -- Huang, Xuanlin -- Fan, Jing -- Dong, Lijia -- Chen, Gang -- Ma, Liying -- Yang, Jie -- Chen, Longyun -- He, Minghui -- Li, Miao -- Zhuang, Xuehan -- Huang, Kai -- Qiu, Kunlong -- Yin, Guangliang -- Guo, Guangwu -- Feng, Qiang -- Chen, Peishan -- Wu, Zhiyong -- Wu, Jianyi -- Ma, Ling -- Zhao, Jinyang -- Luo, Longhai -- Fu, Ming -- Xu, Bainan -- Chen, Bo -- Li, Yingrui -- Tong, Tong -- Wang, Mingrong -- Liu, Zhihua -- Lin, Dongxin -- Zhang, Xiuqing -- Yang, Huanming -- Wang, Jun -- Zhan, Qimin -- England -- Nature. 2014 May 1;509(7498):91-5. doi: 10.1038/nature13176. Epub 2014 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] State Key Laboratory of Molecular Oncology, Cancer Institute and Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China [2]. ; 1] BGI-Shenzhen, Shenzhen 518083, Guangdong 518083, China [2]. ; 1] State Key Laboratory of Molecular Oncology, Cancer Institute and Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China [2] Department of Neurosurgery, Chinese PLA General Hospital, Beijing 100853, China [3]. ; 1] Department of Biochemistry and Molecular Biology, The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, China [2]. ; State Key Laboratory of Molecular Oncology, Cancer Institute and Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China. ; BGI-Shenzhen, Shenzhen 518083, Guangdong 518083, China. ; Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong, China. ; Department of Tumor Surgery, Shantou Central Hospital, Affiliated Shantou Hospital of Sun Yat-sen University, Shantou 515041, Guangdong, China. ; Department of Biochemistry and Molecular Biology, The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, China. ; Department of Neurosurgery, Chinese PLA General Hospital, Beijing 100853, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24670651" target="_blank"〉PubMed〈/a〉
    Keywords: Alcohol Drinking/adverse effects ; Biomarkers, Tumor/genetics ; Carcinoma, Squamous Cell/*genetics/pathology ; Cell Cycle/genetics ; Chromosomes, Human, Pair 11/genetics ; Comparative Genomic Hybridization ; DNA Copy Number Variations/genetics ; Esophageal Neoplasms/*genetics/pathology ; Exome/genetics ; Female ; Genome, Human/*genetics ; Genomics ; Histones/metabolism ; Humans ; Male ; MicroRNAs/genetics ; Mutation/*genetics ; Oncogenes/genetics ; Phenotype ; Receptors, Notch/genetics ; Risk Factors ; Wnt Signaling Pathway/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2015-07-23
    Description: The human lens is comprised largely of crystallin proteins assembled into a highly ordered, interactive macro-structure essential for lens transparency and refractive index. Any disruption of intra- or inter-protein interactions will alter this delicate structure, exposing hydrophobic surfaces, with consequent protein aggregation and cataract formation. Cataracts are the most common cause of blindness worldwide, affecting tens of millions of people, and currently the only treatment is surgical removal of cataractous lenses. The precise mechanisms by which lens proteins both prevent aggregation and maintain lens transparency are largely unknown. Lanosterol is an amphipathic molecule enriched in the lens. It is synthesized by lanosterol synthase (LSS) in a key cyclization reaction of a cholesterol synthesis pathway. Here we identify two distinct homozygous LSS missense mutations (W581R and G588S) in two families with extensive congenital cataracts. Both of these mutations affect highly conserved amino acid residues and impair key catalytic functions of LSS. Engineered expression of wild-type, but not mutant, LSS prevents intracellular protein aggregation of various cataract-causing mutant crystallins. Treatment by lanosterol, but not cholesterol, significantly decreased preformed protein aggregates both in vitro and in cell-transfection experiments. We further show that lanosterol treatment could reduce cataract severity and increase transparency in dissected rabbit cataractous lenses in vitro and cataract severity in vivo in dogs. Our study identifies lanosterol as a key molecule in the prevention of lens protein aggregation and points to a novel strategy for cataract prevention and treatment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Ling -- Chen, Xiang-Jun -- Zhu, Jie -- Xi, Yi-Bo -- Yang, Xu -- Hu, Li-Dan -- Ouyang, Hong -- Patel, Sherrina H -- Jin, Xin -- Lin, Danni -- Wu, Frances -- Flagg, Ken -- Cai, Huimin -- Li, Gen -- Cao, Guiqun -- Lin, Ying -- Chen, Daniel -- Wen, Cindy -- Chung, Christopher -- Wang, Yandong -- Qiu, Austin -- Yeh, Emily -- Wang, Wenqiu -- Hu, Xun -- Grob, Seanna -- Abagyan, Ruben -- Su, Zhiguang -- Tjondro, Harry Christianto -- Zhao, Xi-Juan -- Luo, Hongrong -- Hou, Rui -- Perry, J Jefferson P -- Gao, Weiwei -- Kozak, Igor -- Granet, David -- Li, Yingrui -- Sun, Xiaodong -- Wang, Jun -- Zhang, Liangfang -- Liu, Yizhi -- Yan, Yong-Bin -- Zhang, Kang -- England -- Nature. 2015 Jul 30;523(7562):607-11. doi: 10.1038/nature14650. Epub 2015 Jul 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Molecular Medicine Research Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China [2] State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China [3] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA. ; State Key Laboratory of Membrane Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China. ; 1] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA [2] Department of Ophthalmology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China. ; BGI-Shenzhen, Shenzhen 518083, China. ; 1] State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China [2] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA. ; Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA. ; 1] Molecular Medicine Research Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China [2] Guangzhou KangRui Biological Pharmaceutical Technology Company, Guangzhou 510005, China. ; Molecular Medicine Research Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China. ; State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China. ; 1] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA [2] CapitalBio Genomics Co., Ltd., Dongguan 523808, China. ; 1] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA [2] Department of Ophthalmology, Shanghai First People's Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai 20080, China. ; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, California 92093, USA. ; Guangzhou KangRui Biological Pharmaceutical Technology Company, Guangzhou 510005, China. ; Department of Biochemistry, University of California Riverside, Riverside, California 92521, USA. ; 1] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA [2] Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, USA. ; King Khaled Eye Specialist Hospital, Riyadh, Kingdom of Saudi Arabia. ; Department of Ophthalmology, Shanghai First People's Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai 20080, China. ; Department of Ophthalmology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China. ; 1] Molecular Medicine Research Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China [2] State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China [3] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA [4] Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, USA [5] Veterans Administration Healthcare System, San Diego, California 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26200341" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Amino Acid Sequence ; Amyloid/chemistry/drug effects/metabolism/ultrastructure ; Animals ; Base Sequence ; Cataract/congenital/*drug therapy/genetics/*metabolism/pathology ; Cell Line ; Child ; Crystallins/chemistry/genetics/metabolism/ultrastructure ; Dogs ; Female ; Humans ; Lanosterol/administration & dosage/*pharmacology/*therapeutic use ; Lens, Crystalline/drug effects/metabolism/pathology ; Male ; Models, Molecular ; Molecular Sequence Data ; Mutant Proteins/chemistry/genetics/metabolism/ultrastructure ; Pedigree ; Protein Aggregates/*drug effects ; Protein Aggregation, Pathological/*drug therapy/pathology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2016-03-24
    Description: Primary cilia are solitary, generally non-motile, hair-like protrusions that extend from the surface of cells between cell divisions. Their antenna-like structure leads naturally to the assumption that they sense the surrounding environment, the most common hypothesis being sensation of mechanical force through calcium-permeable ion channels within the cilium. This Ca(2+)-responsive mechanosensor hypothesis for primary cilia has been invoked to explain a large range of biological responses, from control of left-right axis determination in embryonic development to adult progression of polycystic kidney disease and some cancers. Here we report the complete lack of mechanically induced calcium increases in primary cilia, in tissues upon which this hypothesis has been based. We developed a transgenic mouse, Arl13b-mCherry-GECO1.2, expressing a ratiometric genetically encoded calcium indicator in all primary cilia. We then measured responses to flow in primary cilia of cultured kidney epithelial cells, kidney thick ascending tubules, crown cells of the embryonic node, kinocilia of inner ear hair cells, and several cell lines. Cilia-specific Ca(2+) influxes were not observed in physiological or even highly supraphysiological levels of fluid flow. We conclude that mechanosensation, if it originates in primary cilia, is not via calcium signalling.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4851444/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4851444/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Delling, M -- Indzhykulian, A A -- Liu, X -- Li, Y -- Xie, T -- Corey, D P -- Clapham, D E -- 5R01 DC000304/DC/NIDCD NIH HHS/ -- P30-HD 18655/HD/NICHD NIH HHS/ -- R01 DC000304/DC/NIDCD NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2016 Mar 31;531(7596):656-60. doi: 10.1038/nature17426. Epub 2016 Mar 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cardiology, Howard Hughes Medical Institute, Boston Children's Hospital, Boston, Massachusetts 02115, USA. ; Department of Neurobiology, Howard Hughes Medical Institute, Harvard Medical School, Boston, Massachusetts 02115, USA. ; Image and Data Analysis Core (IDAC), Harvard Medical School, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27007841" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/analysis/*metabolism ; Calcium Signaling ; Cilia/*metabolism ; Embryo, Mammalian/cytology ; Epithelial Cells/cytology ; Female ; Hair Cells, Auditory, Inner/cytology ; Kidney/cytology ; Male ; *Mechanotransduction, Cellular ; Mice ; Mice, Transgenic ; Models, Biological
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2011-05-21
    Description: The transmission of information from DNA to RNA is a critical process. We compared RNA sequences from human B cells of 27 individuals to the corresponding DNA sequences from the same individuals and uncovered more than 10,000 exonic sites where the RNA sequences do not match that of the DNA. All 12 possible categories of discordances were observed. These differences were nonrandom as many sites were found in multiple individuals and in different cell types, including primary skin cells and brain tissues. Using mass spectrometry, we detected peptides that are translated from the discordant RNA sequences and thus do not correspond exactly to the DNA sequences. These widespread RNA-DNA differences in the human transcriptome provide a yet unexplored aspect of genome variation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3204392/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3204392/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Mingyao -- Wang, Isabel X -- Li, Yun -- Bruzel, Alan -- Richards, Allison L -- Toung, Jonathan M -- Cheung, Vivian G -- R01 HG005854/HG/NHGRI NIH HHS/ -- R01 HG005854-01/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Jul 1;333(6038):53-8. doi: 10.1126/science.1207018. Epub 2011 May 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biostatistics, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21596952" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Amino Acid Sequence ; B-Lymphocytes ; Base Sequence ; Cell Line ; Cerebral Cortex/cytology ; DNA/chemistry/*genetics ; Exons ; Expressed Sequence Tags ; Fibroblasts ; Gene Expression Profiling ; *Genetic Variation ; *Genome, Human ; Genotype ; Humans ; Mass Spectrometry ; Middle Aged ; Molecular Sequence Data ; Polymorphism, Single Nucleotide ; Protein Biosynthesis ; Proteins/chemistry ; Proteome/chemistry ; RNA, Messenger/chemistry/*genetics ; Sequence Analysis, DNA ; Sequence Analysis, RNA ; Skin/cytology ; Untranslated Regions
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2014-03-05
    Description: Recognition of modified histones by 'reader' proteins plays a critical role in the regulation of chromatin. H3K36 trimethylation (H3K36me3) is deposited onto the nucleosomes in the transcribed regions after RNA polymerase II elongation. In yeast, this mark in turn recruits epigenetic regulators to reset the chromatin to a relatively repressive state, thus suppressing cryptic transcription. However, much less is known about the role of H3K36me3 in transcription regulation in mammals. This is further complicated by the transcription-coupled incorporation of the histone variant H3.3 in gene bodies. Here we show that the candidate tumour suppressor ZMYND11 specifically recognizes H3K36me3 on H3.3 (H3.3K36me3) and regulates RNA polymerase II elongation. Structural studies show that in addition to the trimethyl-lysine binding by an aromatic cage within the PWWP domain, the H3.3-dependent recognition is mediated by the encapsulation of the H3.3-specific 'Ser 31' residue in a composite pocket formed by the tandem bromo-PWWP domains of ZMYND11. Chromatin immunoprecipitation followed by sequencing shows a genome-wide co-localization of ZMYND11 with H3K36me3 and H3.3 in gene bodies, and its occupancy requires the pre-deposition of H3.3K36me3. Although ZMYND11 is associated with highly expressed genes, it functions as an unconventional transcription co-repressor by modulating RNA polymerase II at the elongation stage. ZMYND11 is critical for the repression of a transcriptional program that is essential for tumour cell growth; low expression levels of ZMYND11 in breast cancer patients correlate with worse prognosis. Consistently, overexpression of ZMYND11 suppresses cancer cell growth in vitro and tumour formation in mice. Together, this study identifies ZMYND11 as an H3.3-specific reader of H3K36me3 that links the histone-variant-mediated transcription elongation control to tumour suppression.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4142212/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4142212/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wen, Hong -- Li, Yuanyuan -- Xi, Yuanxin -- Jiang, Shiming -- Stratton, Sabrina -- Peng, Danni -- Tanaka, Kaori -- Ren, Yongfeng -- Xia, Zheng -- Wu, Jun -- Li, Bing -- Barton, Michelle C -- Li, Wei -- Li, Haitao -- Shi, Xiaobing -- CA016672/CA/NCI NIH HHS/ -- P30 CA016672/CA/NCI NIH HHS/ -- R01 GM090077/GM/NIGMS NIH HHS/ -- R01 HG007538/HG/NHGRI NIH HHS/ -- R01GM090077/GM/NIGMS NIH HHS/ -- R01HG007538/HG/NHGRI NIH HHS/ -- England -- Nature. 2014 Apr 10;508(7495):263-8. doi: 10.1038/nature13045. Epub 2014 Mar 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Biochemistry and Molecular Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [2] Center for Cancer Epigenetics, Center for Genetics and Genomics, and Center for Stem Cell and Developmental Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [3]. ; 1] MOE Key Laboratory of Protein Sciences, Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China [2] Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing 100084, China [3]. ; 1] Dan L. Duncan Cancer Center, Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA [2]. ; Department of Biochemistry and Molecular Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; 1] MOE Key Laboratory of Protein Sciences, Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China [2] Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing 100084, China. ; Dan L. Duncan Cancer Center, Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA. ; Department of Molecular Biology, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA. ; 1] Department of Biochemistry and Molecular Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [2] Center for Cancer Epigenetics, Center for Genetics and Genomics, and Center for Stem Cell and Developmental Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [3] Genes and Development Graduate Program, The University of Texas Graduate School of Biomedical Sciences, Houston, Teaxs 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24590075" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Breast Neoplasms/*genetics/metabolism/*pathology ; Carrier Proteins/chemistry/*metabolism ; Chromatin/genetics/metabolism ; Co-Repressor Proteins/chemistry/metabolism ; Crystallography, X-Ray ; Disease-Free Survival ; Female ; Gene Expression Regulation, Neoplastic/genetics ; Histones/chemistry/*metabolism ; Humans ; Lysine/*metabolism ; Methylation ; Mice ; Mice, Nude ; Models, Molecular ; Molecular Sequence Data ; Oncogenes/genetics ; Prognosis ; Protein Binding ; Protein Conformation ; Protein Structure, Tertiary ; RNA Polymerase II/*metabolism ; Substrate Specificity ; *Transcription Elongation, Genetic
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2014-02-21
    Description: Members of the nuclear factor-kappaB (NF-kappaB) family of transcriptional regulators are central mediators of the cellular inflammatory response. Although constitutive NF-kappaB signalling is present in most human tumours, mutations in pathway members are rare, complicating efforts to understand and block aberrant NF-kappaB activity in cancer. Here we show that more than two-thirds of supratentorial ependymomas contain oncogenic fusions between RELA, the principal effector of canonical NF-kappaB signalling, and an uncharacterized gene, C11orf95. In each case, C11orf95-RELA fusions resulted from chromothripsis involving chromosome 11q13.1. C11orf95-RELA fusion proteins translocated spontaneously to the nucleus to activate NF-kappaB target genes, and rapidly transformed neural stem cells--the cell of origin of ependymoma--to form these tumours in mice. Our data identify a highly recurrent genetic alteration of RELA in human cancer, and the C11orf95-RELA fusion protein as a potential therapeutic target in supratentorial ependymoma.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4050669/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4050669/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parker, Matthew -- Mohankumar, Kumarasamypet M -- Punchihewa, Chandanamali -- Weinlich, Ricardo -- Dalton, James D -- Li, Yongjin -- Lee, Ryan -- Tatevossian, Ruth G -- Phoenix, Timothy N -- Thiruvenkatam, Radhika -- White, Elsie -- Tang, Bo -- Orisme, Wilda -- Gupta, Kirti -- Rusch, Michael -- Chen, Xiang -- Li, Yuxin -- Nagahawhatte, Panduka -- Hedlund, Erin -- Finkelstein, David -- Wu, Gang -- Shurtleff, Sheila -- Easton, John -- Boggs, Kristy -- Yergeau, Donald -- Vadodaria, Bhavin -- Mulder, Heather L -- Becksfort, Jared -- Gupta, Pankaj -- Huether, Robert -- Ma, Jing -- Song, Guangchun -- Gajjar, Amar -- Merchant, Thomas -- Boop, Frederick -- Smith, Amy A -- Ding, Li -- Lu, Charles -- Ochoa, Kerri -- Zhao, David -- Fulton, Robert S -- Fulton, Lucinda L -- Mardis, Elaine R -- Wilson, Richard K -- Downing, James R -- Green, Douglas R -- Zhang, Jinghui -- Ellison, David W -- Gilbertson, Richard J -- P01 CA096832/CA/NCI NIH HHS/ -- P01CA96832/CA/NCI NIH HHS/ -- P30 CA021765/CA/NCI NIH HHS/ -- P30CA021765/CA/NCI NIH HHS/ -- R01 CA129541/CA/NCI NIH HHS/ -- R01CA129541/CA/NCI NIH HHS/ -- England -- Nature. 2014 Feb 27;506(7489):451-5. doi: 10.1038/nature13109. Epub 2014 Feb 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] St. Jude Children's Research Hospital - Washington University Pediatric Cancer Genome Project, Memphis, Tennessee 38105, USA [2] Department of Computational Biology and Bioinformatics, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA [3]. ; 1] Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA [2]. ; 1] Department of Pathology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA [2]. ; 1] Department of Immunology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA [2]. ; 1] St. Jude Children's Research Hospital - Washington University Pediatric Cancer Genome Project, Memphis, Tennessee 38105, USA [2] Department of Pathology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; 1] St. Jude Children's Research Hospital - Washington University Pediatric Cancer Genome Project, Memphis, Tennessee 38105, USA [2] Department of Computational Biology and Bioinformatics, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; Department of Pathology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; Department of Computational Biology and Bioinformatics, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; 1] Department of Computational Biology and Bioinformatics, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA [2] Structural Biology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; St. Jude Children's Research Hospital - Washington University Pediatric Cancer Genome Project, Memphis, Tennessee 38105, USA. ; Structural Biology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; 1] St. Jude Children's Research Hospital - Washington University Pediatric Cancer Genome Project, Memphis, Tennessee 38105, USA [2] Department of Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; Department of Radiological Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; Department of Surgery, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; MD Anderson Cancer Center Orlando, Pediatric Hematology/Oncology, 92 West Miller MP 318, Orlando, Florida 32806, USA. ; 1] St. Jude Children's Research Hospital - Washington University Pediatric Cancer Genome Project, Memphis, Tennessee 38105, USA [2] The Genome Institute, Washington University School of Medicine in St Louis, St Louis, Missouri 63108, USA [3] Department of Genetics, Washington University School of Medicine in St Louis, St Louis, Missouri 63108, USA. ; 1] St. Jude Children's Research Hospital - Washington University Pediatric Cancer Genome Project, Memphis, Tennessee 38105, USA [2] The Genome Institute, Washington University School of Medicine in St Louis, St Louis, Missouri 63108, USA. ; 1] St. Jude Children's Research Hospital - Washington University Pediatric Cancer Genome Project, Memphis, Tennessee 38105, USA [2] The Genome Institute, Washington University School of Medicine in St Louis, St Louis, Missouri 63108, USA [3] Department of Genetics, Washington University School of Medicine in St Louis, St Louis, Missouri 63108, USA [4] Siteman Cancer Center, Washington University School of Medicine in St Louis, St Louis, Missouri 63108, USA. ; Department of Immunology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; 1] St. Jude Children's Research Hospital - Washington University Pediatric Cancer Genome Project, Memphis, Tennessee 38105, USA [2] Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24553141" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/genetics/metabolism ; Animals ; Base Sequence ; Brain Neoplasms/genetics/metabolism/pathology ; Cell Line ; Cell Nucleus/metabolism ; *Cell Transformation, Neoplastic/genetics ; Chromosomes, Human, Pair 11/genetics ; Ependymoma/*genetics/*metabolism/pathology ; Female ; Humans ; Mice ; Models, Genetic ; Molecular Sequence Data ; NF-kappa B/genetics/*metabolism ; Neural Stem Cells/metabolism/pathology ; Oncogene Proteins, Fusion/genetics/metabolism ; Phosphoproteins/genetics/metabolism ; Proteins/genetics/*metabolism ; *Signal Transduction ; Transcription Factor RelA/genetics/*metabolism ; Translocation, Genetic/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2016-03-31
    Description: Cerebral cavernous malformations (CCMs) are common inherited and sporadic vascular malformations that cause strokes and seizures in younger individuals. CCMs arise from endothelial cell loss of KRIT1, CCM2 or PDCD10, non-homologous proteins that form an adaptor complex. How disruption of the CCM complex results in disease remains controversial, with numerous signalling pathways (including Rho, SMAD and Wnt/beta-catenin) and processes such as endothelial-mesenchymal transition (EndMT) proposed to have causal roles. CCM2 binds to MEKK3 (refs 7, 8, 9, 10, 11), and we have recently shown that CCM complex regulation of MEKK3 is essential during vertebrate heart development. Here we investigate this mechanism in CCM disease pathogenesis. Using a neonatal mouse model of CCM disease, we show that expression of the MEKK3 target genes Klf2 and Klf4, as well as Rho and ADAMTS protease activity, are increased in the endothelial cells of early CCM lesions. By contrast, we find no evidence of EndMT or increased SMAD or Wnt signalling during early CCM formation. Endothelial-specific loss of Map3k3 (also known as Mekk3), Klf2 or Klf4 markedly prevents lesion formation, reverses the increase in Rho activity, and rescues lethality. Consistent with these findings in mice, we show that endothelial expression of KLF2 and KLF4 is increased in human familial and sporadic CCM lesions, and that a disease-causing human CCM2 mutation abrogates the MEKK3 interaction without affecting CCM complex formation. These studies identify gain of MEKK3 signalling and KLF2/4 function as causal mechanisms for CCM pathogenesis that may be targeted to develop new CCM therapeutics.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4864035/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4864035/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhou, Zinan -- Tang, Alan T -- Wong, Weng-Yew -- Bamezai, Sharika -- Goddard, Lauren M -- Shenkar, Robert -- Zhou, Su -- Yang, Jisheng -- Wright, Alexander C -- Foley, Matthew -- Arthur, J Simon C -- Whitehead, Kevin J -- Awad, Issam A -- Li, Dean Y -- Zheng, Xiangjian -- Kahn, Mark L -- P01 HL075215/HL/NHLBI NIH HHS/ -- P01 HL120846/HL/NHLBI NIH HHS/ -- P01 NS092521/NS/NINDS NIH HHS/ -- P01NS092521/NS/NINDS NIH HHS/ -- R01 HL094326/HL/NHLBI NIH HHS/ -- R01HL-084516/HL/NHLBI NIH HHS/ -- R01HL094326/HL/NHLBI NIH HHS/ -- R01NS075168/NS/NINDS NIH HHS/ -- T32HL07439/HL/NHLBI NIH HHS/ -- England -- Nature. 2016 Apr 7;532(7597):122-6. doi: 10.1038/nature17178. Epub 2016 Mar 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine and Cardiovascular Institute, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, Pennsylvania 19104, USA. ; Laboratory of Cardiovascular Signaling, Centenary Institute, Sydney, New South Wales 2050, Australia. ; Neurovascular Surgery Program, Section of Neurosurgery, Department of Surgery, The University of Chicago Medicine and Biological Sciences, Chicago, Illinois 60637, USA. ; Department of Radiology, University of Pennsylvania Medical Center, 3400 Spruce Street, Philadelphia, Pennsylvania 19104, USA. ; Sydney Microscopy &Microanalysis, University of Sydney, Sydney, New South Wales 2050, Australia. ; Division of Cell Signaling and Immunology, University of Dundee, Dundee DD1 5EH, UK. ; Division of Cardiovascular Medicine and the Program in Molecular Medicine, University of Utah, Salt Lake City, Utah 84112, USA. ; The Key Laboratory for Human Disease Gene Study of Sichuan Province, Institute of Laboratory Medicine, Sichuan Academy of Medical Sciences &Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, China. ; Faculty of Medicine, Sydney Medical School, University of Sydney, Sydney, New South Wales 2050, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27027284" target="_blank"〉PubMed〈/a〉
    Keywords: ADAM Proteins/metabolism ; Animals ; Animals, Newborn ; Carrier Proteins/genetics/metabolism ; Disease Models, Animal ; Endothelial Cells/enzymology/*metabolism ; Female ; Hemangioma, Cavernous, Central Nervous System/etiology/*metabolism/pathology ; Humans ; Kruppel-Like Transcription Factors/deficiency/*metabolism ; MAP Kinase Kinase Kinase 3/deficiency/*metabolism ; *MAP Kinase Signaling System ; Male ; Mice ; Protein Binding ; rho GTP-Binding Proteins/metabolism
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2011-08-27
    Description: Uterine leiomyomas, or fibroids, are benign tumors that affect millions of women worldwide and that can cause considerable morbidity. To study the genetic basis of this tumor type, we examined 18 uterine leiomyomas derived from 17 different patients by exome sequencing and identified tumor-specific mutations in the mediator complex subunit 12 (MED12) gene in 10. Through analysis of 207 additional tumors, we determined that MED12 is altered in 70% (159 of 225) of tumors from a total of 80 patients. The Mediator complex is a 26-subunit transcriptional regulator that bridges DNA regulatory sequences to the RNA polymerase II initiation complex. All mutations resided in exon 2, suggesting that aberrant function of this region of MED12 contributes to tumorigenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Makinen, Netta -- Mehine, Miika -- Tolvanen, Jaana -- Kaasinen, Eevi -- Li, Yilong -- Lehtonen, Heli J -- Gentile, Massimiliano -- Yan, Jian -- Enge, Martin -- Taipale, Minna -- Aavikko, Mervi -- Katainen, Riku -- Virolainen, Elina -- Bohling, Tom -- Koski, Taru A -- Launonen, Virpi -- Sjoberg, Jari -- Taipale, Jussi -- Vahteristo, Pia -- Aaltonen, Lauri A -- New York, N.Y. -- Science. 2011 Oct 14;334(6053):252-5. doi: 10.1126/science.1208930. Epub 2011 Aug 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Genetics, Genome-Scale Biology Research Program, University of Helsinki, Helsinki, Finland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21868628" target="_blank"〉PubMed〈/a〉
    Keywords: Codon ; Exons ; Female ; Gene Expression Profiling ; Humans ; INDEL Mutation ; Introns ; Leiomyoma/*genetics/metabolism ; Mediator Complex/*genetics ; Mutation ; Mutation, Missense ; Signal Transduction ; Uterine Neoplasms/*genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2013-07-28
    Description: The essential bacterial protein FtsZ is a guanosine triphosphatase that self-assembles into a structure at the division site termed the "Z ring". During cytokinesis, the Z ring exerts a constrictive force on the membrane by using the chemical energy of guanosine triphosphate hydrolysis. However, the structural basis of this constriction remains unresolved. Here, we present the crystal structure of a guanosine diphosphate-bound Mycobacterium tuberculosis FtsZ protofilament, which exhibits a curved conformational state. The structure reveals a longitudinal interface that is important for function. The protofilament curvature highlights a hydrolysis-dependent conformational switch at the T3 loop that leads to longitudinal bending between subunits, which could generate sufficient force to drive cytokinesis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3816583/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3816583/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Ying -- Hsin, Jen -- Zhao, Lingyun -- Cheng, Yiwen -- Shang, Weina -- Huang, Kerwyn Casey -- Wang, Hong-Wei -- Ye, Sheng -- 1F32GM100677-01A1/GM/NIGMS NIH HHS/ -- DP2 OD006466/OD/NIH HHS/ -- DP2OD006466/OD/NIH HHS/ -- F32 GM100677/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Jul 26;341(6144):392-5. doi: 10.1126/science.1239248.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Life Sciences Institute, Zhejiang University, Hangzhou, 310058 Zhejiang, P.R. China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23888039" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacterial Proteins/*chemistry/genetics/*metabolism ; Cell Membrane/physiology ; Crystallography, X-Ray ; *Cytokinesis ; Cytoskeletal Proteins/*chemistry/genetics/*metabolism ; Escherichia coli/chemistry ; Guanosine Diphosphate/chemistry/metabolism ; Guanosine Triphosphate/metabolism ; Hydrolysis ; Hydrophobic and Hydrophilic Interactions ; Models, Molecular ; Molecular Dynamics Simulation ; Molecular Sequence Data ; Mycobacterium tuberculosis/*chemistry/physiology ; Point Mutation ; Protein Conformation ; Protein Multimerization ; Protein Subunits/chemistry/metabolism ; Staphylococcus aureus/chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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