Rho, Rac and Cdc42 GTPases regulate the organization of the actin cytoskeleton.

abstract：:The insulin receptor substrates function at the heart of the insulin signalling network. It has recently become apparent that the intracellular localisation of these molecules is regulated in a precise manner that is critical for both the generation and the termination of the insulin signal. Some insulin receptor subs...

journal_title：Current opinion in cell biology

authors： Whitehead JP,Clark SF,Urso B,James DE

更新日期：2000-04-01 00:00:00

abstract：:Important advances in the study of Polycomb Group (PcG) complexes in the past two years have focused on the role of this repressive system in programing the genome. Genome-wide analyses have shown that PcG mechanisms control a large number of genes regulating many cellular functions and all developmental pathways. Cur...

journal_title：Current opinion in cell biology

authors： Schwartz YB,Pirrotta V

更新日期：2008-06-01 00:00:00

abstract：:Peroxisome proliferator-activated receptors (PPARs) are nuclear receptors involved in lipid and glucose homeostasis, inflammation and wound healing. In addition to ligand binding, phosphorylation can also regulate PPARs; the biological effects of phosphorylation depend on the stimulus, the kinase, the PPAR isotype, th...

journal_title：Current opinion in cell biology

authors： Gelman L,Michalik L,Desvergne B,Wahli W

更新日期：2005-04-01 00:00:00

abstract：:In both prokaryotes and eukaryotes, transcription has been described as being temporally discontinuous, most genes being active mainly during short activity windows interspersed by silent periods. In mammalian cells, recent studies performed at the single cell level have revealed that transcriptional kinetics are high...

journal_title：Current opinion in cell biology

authors： Suter DM,Molina N,Naef F,Schibler U

更新日期：2011-12-01 00:00:00

abstract：:Mitochondria are classically known as the essential energy producers in cells. As such, the activation of mitochondrial metabolism upon cellular differentiation was deemed a necessity to fuel the high metabolic needs of differentiated cells. However, recent studies have revealed a direct role for mitochondrial activit...

journal_title：Current opinion in cell biology

authors： Khacho M,Slack RS

更新日期：2017-12-01 00:00:00

abstract：:Several recently discovered mammalian cell adhesion proteins recognize and bind to sialic acid-containing ligands. Reports concerning the molecular specificities of these interactions have been intriguing but somewhat confusing, partly because of pitfalls in methodology or interpretation. Nevertheless, these protein-c...

journal_title：Current opinion in cell biology

authors： Varki A

更新日期：1992-04-01 00:00:00

abstract：:The study of eukaryotic telomeres at the molecular level began with the discovery of short, tandem repeats at Tetrahymena chromosome ends. In the following two decades, major insights about telomere structure and function have come from investigations of telomerase, the DNA polymerase that synthesizes these repeats. I...

journal_title：Current opinion in cell biology

authors： Collins K

更新日期：1996-06-01 00:00:00

abstract：:The assembly of intermediate filament (IF) arrays involves the recruitment of a complex set of cell-type-specific IF-associated proteins. Some of them are integral membrane proteins, others act as crosslinking proteins with vectorial binding activities, and yet others comprise motor proteins. In vivo IFs appear to be ...

journal_title：Current opinion in cell biology

authors： Herrmann H,Aebi U

更新日期：2000-02-01 00:00:00

abstract：:Myosins are a large family of structurally diverse mechanoenzymes which, upon interaction with actin filaments, convert energy from ATP hydrolysis into mechanical force. Consistent with the ubiquitous association of actin with membranes, many of these novel myosins are membrane-associated. In the past two years, evide...

journal_title：Current opinion in cell biology

authors： Hasson T,Mooseker MS

更新日期：1995-08-01 00:00:00

abstract：:Piwi-interacting RNAs (piRNAs) were reported in 2006 as a novel class of small non-coding RNAs associated with Piwi proteins of the Argonaute/Piwi family. Recent studies have revealed not only the biogenesis of piRNAs and their roles in transposon silencing, but also the function of the Piwi-piRNA pathway in epigeneti...

journal_title：Current opinion in cell biology

authors： Peng JC,Lin H

更新日期：2013-04-01 00:00:00

abstract：:The basic mechanisms of serine/threonine protein kinase signaling networks have been elucidated in the past decade. Members of the protein kinase C (PKC) family are crucial in T cell signaling pathways. Particularly, PKC alpha, PKC beta, and PKC theta isotypes determine the nature of lymphocyte-specific in vivo effect...

journal_title：Current opinion in cell biology

authors： Baier G,Wagner J

更新日期：2009-04-01 00:00:00

abstract：:Studies from the past several years have revealed that adipogenesis is controlled by an interplay of transcription factors, including members of the CCAAT/enhancer binding protein family and peroxisome proliferator activated receptor gamma. In addition to providing a new understanding of this aspect of the energy bala...

journal_title：Current opinion in cell biology

authors： Wu Z,Puigserver P,Spiegelman BM

更新日期：1999-12-01 00:00:00

abstract：:The relationship between cell growth (cell mass increase over time) and cell division is poorly understood in animal stem cells. Recent studies in several Drosophila stem cell types have provided the tools to interrogate this relationship. In several cases (brat, mei-P26, pros, bam, lethal giant larvae, polo), mutatio...

journal_title：Current opinion in cell biology

authors： Kohlmaier A,Edgar BA

更新日期：2008-12-01 00:00:00

abstract：:Mitochondria provide an essential role in the maintenance of cellular homeostasis with regard to energy generation, redox signaling, and programmed cell death. Consequently, fast adaptation to metabolic changes associated with developmental demands or stress induction requires a balanced coordination of mitochondrial ...

journal_title：Current opinion in cell biology

authors： Franz A,Kevei É,Hoppe T

更新日期：2015-12-01 00:00:00

abstract：:The structure and integrity of the mitochondrial compartment are features essential for it to function efficiently. The maintenance of mitochondrial structure in cells ranging from yeast to humans has been shown to require both ongoing fission and fusion. Recent characterization of many of the molecular components tha...

journal_title：Current opinion in cell biology

authors： Scott SV,Cassidy-Stone A,Meeusen SL,Nunnari J

更新日期：2003-08-01 00:00:00

abstract：:Actin filament assembly is a tightly regulated process that functions in many aspects of cell physiology. Members of the Ena/VASP (Drosophila Enabled/vasodilator-stimulated phosphoprotein) family are key players in regulating actin filament assembly, in many cases through their association with binding partners that d...

journal_title：Current opinion in cell biology

authors： Renfranz PJ,Beckerle MC

更新日期：2002-02-01 00:00:00

abstract：:A nuclear pore complex (NPC) is a large protein assembly that mediates the nucleocytoplasmic exchange of molecules. During the cell cycle, NPCs assemble, disassemble, and dynamically change their distribution on assembled nuclear envelope (NE), whereas in post-mitosis, NPCs are extremely stable. Extensive studies on i...

journal_title：Current opinion in cell biology

authors： Imamoto N,Funakoshi T

更新日期：2012-08-01 00:00:00

abstract：:Most cancers arise in epithelia, the tissue type that lines all body cavities. The organization of epithelia enables them to act as a barrier and perform vectorial transport of molecules between body compartments. Crucial for their organization and function is a highly specialized network of cell adhesion and polarity...

journal_title：Current opinion in cell biology

authors： Hinck L,Näthke I

更新日期：2014-02-01 00:00:00

abstract：:Hermansky-Pudlak syndrome defines a group of genetic disorders characterized by defects in organelles of the endosomal-lysosomal system, most notably melanosomes and platelet-dense granules. About a dozen genes have been implicated in the pathogenesis of the disease in humans and mice. Most of these genes encode novel...

journal_title：Current opinion in cell biology

authors： Dell'Angelica EC

更新日期：2004-08-01 00:00:00

abstract：:Primordial germ cells (PGCs), the progenitors of the gametes, migrate from the position where they are specified towards the region where the gonad develops. To reach their target, the PGCs obtain directional cues from cells positioned along their migration path. One such cue, the chemokine SDF-1, has recently been fo...

journal_title：Current opinion in cell biology

authors： Raz E

更新日期：2004-04-01 00:00:00

abstract：:The spatial separation of nuclear transcription and cytoplasmic translation in eukaryotic cells implies that mRNAs have to travel. On their journey, proteins involved in the various steps of transcript formation, processing and transport dynamically interact with mRNAs to form diverse messenger ribonucleoprotein compl...

journal_title：Current opinion in cell biology

authors： Sommer P,Nehrbass U

更新日期：2005-06-01 00:00:00

abstract：:Secretion of proteins across the bacterial outer membrane takes place via a variety of mechanisms from simple one-component systems to complex multicomponent pathways. Secretion pathways can be organized into evolutionarily and functionally related groups, which highlight their relationship with organelle biogenesis. ...

journal_title：Current opinion in cell biology

authors： Thanassi DG,Hultgren SJ

更新日期：2000-08-01 00:00:00

abstract：:In the past year, major advances have been made in our understanding of the regulation of phosphoinositidase C, and of the action of the inositol trisphosphate receptor and how it may generate 'quantal' Ca2+ release. The functions of inositol tetrakisphosphate and of the 3-phosphorylated inositol lipids continue to ge...

journal_title：Current opinion in cell biology

authors： Irvine RF

更新日期：1992-04-01 00:00:00

abstract：:Kinases belonging to the mitogen-activated protein kinase (MAPK) family are used throughout evolution to control the cellular responses to external signals such as growth factors, nutrient status, stress or inductive signals. Many important substrates for MAPKs are transcription factors, and both the genetic and the b...

journal_title：Current opinion in cell biology

authors： Treisman R

更新日期：1996-04-01 00:00:00

abstract：:The conserved Aurora family of protein kinases have emerged as crucial regulators of mitosis and cytokinesis. Despite their high degree of homology, Aurora A and B have very distinctive localisations and functions: Aurora A associates with the spindle poles to regulate entry into mitosis, centrosome maturation and spi...

journal_title：Current opinion in cell biology

authors： Carmena M,Ruchaud S,Earnshaw WC

更新日期：2009-12-01 00:00:00

abstract：:The epithelial apical-junctional complex is a key regulator of cellular functions. In addition, it is an important target for microbial pathogens that manipulate the cell to survive, proliferate and sometimes persist within a host. Out of a myriad of potential molecular targets, some bacterial and viral pathogens have...

journal_title：Current opinion in cell biology

authors： Vogelmann R,Amieva MR,Falkow S,Nelson WJ

更新日期：2004-02-01 00:00:00

abstract：:The arrangement and dynamics of chromosomes inside the nucleus of mammalian cells have been studied intensively over the last two years. Although chromosomes are relatively immobile and occupy non-random positions in interphase, their dynamic movements in mitosis have traditionally been assumed to randomize this arran...

journal_title：Current opinion in cell biology

authors： Gerlich D,Ellenberg J

更新日期：2003-12-01 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：:Recent evidence corroborates the idea that the structure of the nucleolus need not be strictly maintained for proper function, suggesting that the organelle is composed of supramolecular assemblies formed during rRNA synthesis. More controversial is whether the nucleolus exists in the absence of rRNA synthesis and whe...

journal_title：Current opinion in cell biology

authors： Mélèse T,Xue Z

更新日期：1995-06-01 00:00:00

abstract：:New techniques have enhanced our picture of E2F regulation. These studies have shed light on the roles played by individual E2F and retinoblastoma family members and implicate these proteins in processes extending well beyond the G1/S transition. One thorny issue remains: do our current molecular models of E2F and ret...

journal_title：Current opinion in cell biology

authors： Stevaux O,Dyson NJ

更新日期：2002-12-01 00:00:00