The maintenance and masking of chromosome termini.

abstract：:The field of molecular physiology of ClC chloride channels has witnessed a tremendous surge in knowledge over the past few years; however, fundamental issues such as the stoichiometry of ClC channels and the identification of pore-lining sequences have only recently begun to be addressed. New studies have also provide...

journal_title：Current opinion in cell biology

authors： Valverde MA

更新日期：1999-08-01 00:00:00

abstract：:One parental copy of an imprinted gene is invariably expressed during development. The characteristic of the heritable epigenetic germline imprint remains elusive, but recent evidence stresses the necessity for additional post-zygotic epigenetic modifications to account for this temporal and tissue-specific mono-allel...

journal_title：Current opinion in cell biology

authors： Surani MA

更新日期：1994-06-01 00:00:00

abstract：:Tissue stem cells are found in specialized microenvironments (niches) where they are exposed to diverse systemic and local signals that are integrated with cell intrinsic factors to regulate stem cell behavior. In general, systemic signals are utilized to coordinate the response of tissues to acute or long-term change...

journal_title：Current opinion in cell biology

authors： Resende LP,Jones DL

更新日期：2012-04-01 00:00:00

abstract：:Protein splicing is a series of enzymatic events involving intramolecular protein breakage, rejoining and intron homing, in which introns are able to promote the recombinative transposition of their own coding sequences. Eukaryotic and prokaryotic spliced proteins have conserved similar gene structure, but little amin...

journal_title：Current opinion in cell biology

authors： Neff NF

更新日期：1993-12-01 00:00:00

abstract：:Several aspects of the interactions between growth factors and cell adhesion are described. Recent advances in the field come from the identification of molecules resembling growth factors or growth factor receptors, which bear cell adhesion motifs as well as molecules participating in both cell growth control and adh...

journal_title：Current opinion in cell biology

authors： Thiery JP,Boyer B

更新日期：1992-10-01 00:00:00

abstract：:Macropinocytosis is increasingly recognized for its versatile adaptations and functions as a highly conserved, ubiquitous pathway for the bulk uptake of fluid, particulate cargo, and membranes. Innate immune cells and transformed cancer cells share the capacity for both constitutive and induced macropinocytosis, which...

journal_title：Current opinion in cell biology

authors： Stow JL,Hung Y,Wall AA

更新日期：2020-08-01 00:00:00

abstract：:In vitro experiments led to a simple model in which basal transcription factors sequentially assembled with RNA Polymerase II to generate a preinitiation complex (PIC). Emerging evidence indicates that PIC composition is not universal, but promoter-dependent. Active promoters are occupied by a mixed population of comp...

journal_title：Current opinion in cell biology

authors： Sikorski TW,Buratowski S

更新日期：2009-06-01 00:00:00

abstract：:A major current issue in vesicle trafficking is whether NSF (N-ethylmaleimide-sensitive factor) and alpha-SNAP (alpha-soluble NSF attachment protein) are required prior to SNARE (SNAP receptor) complex formation to allow vesicle docking, or after docking at a step close to membrane fusion. Recent studies of yeast vacu...

journal_title：Current opinion in cell biology

authors： Hay JC,Scheller RH

更新日期：1997-08-01 00:00:00

abstract：:Recently, findings regarding a group of cancer predisposition and chromosome instability syndromes, Nijmegen breakage syndrome (NBS), the ataxia-telangiectasia-like disorder (A-TLD) and ataxia telangiectasia have shed light on the unexpected role of recombinational DNA repair proteins in DNA-damage-dependent cell-cycl...

journal_title：Current opinion in cell biology

authors： Petrini JH

更新日期：2000-06-01 00:00:00

abstract：:Genetic analysis in model organisms has recently achieved a detailed molecular description of many key cellular processes controlling embryonic morphogenesis. To understand higher order tissue morphogenesis, we now need to define how these processes become integrated across different cell groups and cell layers. Here,...

journal_title：Current opinion in cell biology

authors： Zhang H,Gally C,Labouesse M

更新日期：2010-10-01 00:00:00

abstract：:In eukaryotes, G2/M progression is mediated by activation of mitosis promoting factor (MPF). To ensure faithful chromosome segregation, the activity of key mitotic inducers and inhibitors are coupled with chromosome replication, spindle pole duplication, morphogenesis, and DNA damage. Evidence gathered in the past two...

journal_title：Current opinion in cell biology

authors： Ohi R,Gould KL

更新日期：1999-04-01 00:00:00

abstract：:Senescence represents a permanent exit from the cell cycle and its role in curtailing the proliferation of damaged and potentially oncogenic cells has relevance both as a front-line defense against cancer and as an underlying cause of aging. The retinoblastoma protein (RB) and p53 tumor suppressors are central to the ...

journal_title：Current opinion in cell biology

authors： Chandler H,Peters G

更新日期：2013-12-01 00:00:00

abstract：:The epithelial-mesenchymal transition (EMT) is a fundamental process governing morphogenesis in multicellular organisms. This process is also reactivated in a variety of diseases including fibrosis and in the progression of carcinoma. The molecular mechanisms of EMT were primarily studied in epithelial cell lines, lea...

journal_title：Current opinion in cell biology

authors： Thiery JP

更新日期：2003-12-01 00:00:00

abstract：:Organelles of the central membrane system of higher eukaryotes have been shown to utilize microtubules both for maintenance of their characteristic spatial distributions and for efficient transport of their protein and lipid to diverse sites within the cell. Recent work addressing the mechanisms that underlie this org...

journal_title：Current opinion in cell biology

authors： Cole NB,Lippincott-Schwartz J

更新日期：1995-02-01 00:00:00

abstract：:Recently there have been advances in studies of the molecular biology of the receptor for CNTF. In contrast with the receptors for other known neurotrophic factors, which belong to the family of receptor tyrosine kinases, the CNTF receptor belongs to the family of cytokine receptors. This review will describe the stru...

journal_title：Current opinion in cell biology

authors： Davis S,Yancopoulos GD

更新日期：1993-04-01 00:00:00

abstract：:Mitochondria are highly dynamic organelles that constantly fuse and divide. Dynamin-related GTPases are the core components of the machineries that mediate mitochondrial fusion and fission. The role and regulation of these machineries are currently under intense investigation. Recently, members of the BCL2 family of p...

journal_title：Current opinion in cell biology

authors： Rolland SG,Conradt B

更新日期：2010-12-01 00:00:00

abstract：:Apoptosis, or programmed cell death, plays an essential role in specific cell deletion during normal embryonic and adult development in vertebrate and invertebrate species. Recent evidence suggests that signal transduction pathways governing cellular proliferation and cell cycle progression also mediate the physiologi...

journal_title：Current opinion in cell biology

authors： Lee S,Christakos S,Small MB

更新日期：1993-04-01 00:00:00

abstract：:In the past decade, studies into the way in which intracellular bacterial pathogens hijack and subvert their hosts have provided many important insights into regulation of the actin cytoskeleton and cell motility, in addition to increasing our understanding of the infection process. Viral pathogens, however, may ultim...

journal_title：Current opinion in cell biology

authors： Ploubidou A,Way M

更新日期：2001-02-01 00:00:00

abstract：:The long-standing interest in centrioles and basal bodies stems from the evolutionary conservation of their structural design and from their dual mode of assembly (templated versus de novo), revealed by electron microscopic studies nearly four decades ago and unique for a subcellular organelle. Molecular dissection of...

journal_title：Current opinion in cell biology

authors： Beisson J,Wright M

更新日期：2003-02-01 00:00:00

abstract：:Cell-cell signalling is an essential process in the formation of multicellular organisms. Notch is the receptor of an evolutionarily conserved signalling pathway regulating numerous developmental decisions. Indeed, its misregulation is linked to multiple developmental and physiological disorders. Notch and its ligands...

journal_title：Current opinion in cell biology

authors： Le Borgne R

更新日期：2006-04-01 00:00:00

abstract：:The actin supergene family encodes a number of structurally related, but perhaps functionally distinct, protein isoforms that regulate contractile potential in muscle tissues and help to control the shape as well as the motility of non-muscle cells. In spite of the documented conservation amongst isoactin genes and th...

journal_title：Current opinion in cell biology

authors： Herman IM

更新日期：1993-02-01 00:00:00

abstract：:Actin filaments, microtubules, and intermediate filaments, have all been found to be dynamic structures in living cells. Recent studies have shed important light on the assembly, disassembly, and mobility of these structures. In addition, a growing emphasis has been placed on the regulation of cytoskeletal activities ...

journal_title：Current opinion in cell biology

authors： Wang YL

更新日期：1991-02-01 00:00:00

abstract：:Actin polymerization generates the force that deforms the cell membrane, pulls the cell forward and propels endosomes and bacteria within the cell. The mechanism of force generation has been probed using experimental biomimetic systems where force generation and movement occur by the same actin-polymerization processe...

journal_title：Current opinion in cell biology

authors： Plastino J,Sykes C

更新日期：2005-02-01 00:00:00

abstract：:A key difference between yeast and metazoans is the need of the latter to regulate cell proliferation and growth to create organs (and organisms) of reproducible size and shape. Great progress has been made in understanding how growth, cell size and the cell cycle are controlled in metazoans. Recent work has shown tha...

journal_title：Current opinion in cell biology

authors： Leevers SJ,McNeill H

更新日期：2005-12-01 00:00:00

abstract：:Evolutionarily conserved from yeast to man, mitogen-activated protein kinase (MAPK) pathways respond to a variety of disparate signals which induce differentiation, proliferation, or changes in intracellular enzyme regulation. Recent advances have identified two new mammalian MAPK relatives, JNK1 and p38, and the path...

journal_title：Current opinion in cell biology

authors： Waskiewicz AJ,Cooper JA

更新日期：1995-12-01 00:00:00

abstract：:Oocyte cytoplasmic factors can reprogramme the sperm genome during fertilisation or the somatic cell genome during cloning. Diverse reprogramming machinery acts sequentially and interdependently on the imported genome to drive it to totipotency, but their three-dimensional interactions in the cytoplasm remain unknown....

journal_title：Current opinion in cell biology

authors： Kang YK,Lee KK,Han YM

更新日期：2003-06-01 00:00:00

abstract：:Cohesin is a four subunit complex, conserved from yeast to man, with the ability to hold together two DNA segments within its ring-shaped structure. When the two segments belong to sister chromatids, cohesin is mediating cohesion, which is essential for chromosome segregation in mitosis and meiosis and for homologous ...

journal_title：Current opinion in cell biology

authors： Remeseiro S,Losada A

更新日期：2013-02-01 00:00:00

abstract：:Signaling and other cellular functions differ in three-dimensional compared with two-dimensional systems. Cell adhesion structures can evolve in vitro towards in-vivo-like adhesions with distinct biological activities. In this review, we examine recent advances in studies of interactions of fibroblasts with collagen g...

journal_title：Current opinion in cell biology

authors： Cukierman E,Pankov R,Yamada KM

更新日期：2002-10-01 00:00:00

abstract：:The mitogen-activated protein kinase appears to be regulated by another growth factor regulated kinase, the mitogen-activated protein kinase activator. In the past year, much progress has been made in purifying and characterizing the mitogen-activated protein kinase activator, in determining its primary structure, and...

journal_title：Current opinion in cell biology

authors： Ahn NG,Seger R,Krebs EG

更新日期：1992-12-01 00:00:00

abstract：:Transcriptional coactivators enhance gene expression by associating with sequence-specific transcription factors and serve as the primary targets of developmental and physiological signals in diverse biological processes. Recent studies have revealed key roles for transcriptional coactivators in the control of gene ex...

journal_title：Current opinion in cell biology

authors： Liu N,Olson EN

更新日期：2006-12-01 00:00:00