Results 331 to 340 of about 1,274,518 (371)
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Science, 1985
A novel potential cell surface receptor of the tyrosine kinase gene family has been identified and characterized by molecular cloning. Its primary sequence is very similar to that of the human epidermal growth factor receptor and the v-erbB oncogene ...
L. Coussens +11 more
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A novel potential cell surface receptor of the tyrosine kinase gene family has been identified and characterized by molecular cloning. Its primary sequence is very similar to that of the human epidermal growth factor receptor and the v-erbB oncogene ...
L. Coussens +11 more
semanticscholar +1 more source
Current Opinion in Oncology, 2004
This review discusses numerical and structural chromosomal instability in cancer cells and its possible etiologies, highlighting the recent literature.Defects in chromosomal segregation, telomere stability, and the DNA damage response play significant roles in chromosomal instability in cancer.The pace of discoveries into the biologic basis of ...
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This review discusses numerical and structural chromosomal instability in cancer cells and its possible etiologies, highlighting the recent literature.Defects in chromosomal segregation, telomere stability, and the DNA damage response play significant roles in chromosomal instability in cancer.The pace of discoveries into the biologic basis of ...
openaire +2 more sources
Cytogenetic and Genome Research, 2005
The term “chromosomics” is introduced to draw attention to the three-dimensional morphological changes in chromosomes that are essential elements in gene regulation. Chromosomics deals with the plasticity of chromosomes in relation to the three-dimensional positions of genes, which affect cell function in a developmental and tissue-specific manner ...
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The term “chromosomics” is introduced to draw attention to the three-dimensional morphological changes in chromosomes that are essential elements in gene regulation. Chromosomics deals with the plasticity of chromosomes in relation to the three-dimensional positions of genes, which affect cell function in a developmental and tissue-specific manner ...
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Journal of Cell Science, 1977
ABSTRACT 1986 was a celebration year for lampbrush chromosomes (LBCs), marked by the publication of Callan’s comprehensive and authoritative book on these structures. My commentary begins where Callan’s book ends, standing on tiptoe beside a large and rather neat assembly of well-established facts, principles and hypotheses, and trying ...
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ABSTRACT 1986 was a celebration year for lampbrush chromosomes (LBCs), marked by the publication of Callan’s comprehensive and authoritative book on these structures. My commentary begins where Callan’s book ends, standing on tiptoe beside a large and rather neat assembly of well-established facts, principles and hypotheses, and trying ...
openaire +3 more sources
Chromosomal Instability and Tumors Promoted by DNA Hypomethylation
Science, 2003Human tumors often display changes in DNA methylation, including both genome-wide hypomethylation and site-specific hypermethylation ( [1][1], [2][2] ).
A. Eden +3 more
semanticscholar +1 more source
Chromosomal subunits in active genes have an altered conformation.
Science, 1976Ten percent digestion of isolated nuclei by pancreatic deoxyribonuclease I preferentially removes globin DNA sequences from nuclei obtained from chick red blood cells but not from nuclei obtained from fibroblasts, from brain, or from a population of red ...
H. Weintraub, M. Groudine
semanticscholar +1 more source
The human Y chromosome: a masculine chromosome
Current Opinion in Genetics & Development, 2006Once considered to be a genetic wasteland of no scientific interest beyond sex determination, the human Y chromosome has made a significant comeback in the past few decades and is currently implicated in multiple diseases, including spermatogenic failure - absent or very low levels of sperm production.
Michiel J. Noordam, Sjoerd Repping
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The Duplication of Chromosomes
Scientific American, 1958Chromosome duplication first of all requires the replication of the DNA. It is now clear that the replication of most if not all of the chromosomal DNA follows the scheme based on precise base pairing as originally proposed by Watson and Crick [50].
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Current Opinion in Genetics & Development, 2007
Eukariotic chromosomes occupy distinct territories in the cell nucleus. These territories intermingle little with other chromosomes. Nevertheless, several contacts between different chromosomal loci have been documented, a phenomenon called chromosome kissing.
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Eukariotic chromosomes occupy distinct territories in the cell nucleus. These territories intermingle little with other chromosomes. Nevertheless, several contacts between different chromosomal loci have been documented, a phenomenon called chromosome kissing.
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Chromosome Conformation Capture of Mitotic Chromosomes
2023Despite more than a century of intensive study of mitotic chromosomes, their three-dimensional organization remains enigmatic. The last decade established Hi-C as a method of choice for study of spatial genome-wide interactions. Although its utilization has been focused mainly on studying genomic interactions in interphase nuclei, the method can be ...
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