Curvature of mouse satellite DNA and condensation of heterochromatin.

abstract：:Is the Café Scientifique a fashionable by-product of a comfortable age or an indicator of the changing relationship between science and society? ...

journal_title：Cell

authors： Dallas D

更新日期：2006-07-28 00:00:00

abstract：:Hedgehog (Hh) proteins play diverse organizing roles in development by regulating gene expression in responding cells. The Gli homolog Cubitus interruptus (Ci) is involved in controlling the transcription of Hh target genes. A repressor form of Ci arises in the absence of Hh signaling by proteolytic cleavage of intact...

journal_title：Cell

authors： Méthot N,Basler K

更新日期：1999-03-19 00:00:00

abstract：:NRK fibroblasts exposed to transforming growth factor-beta (TGF-beta) show increased binding of radiolabeled epidermal growth factor (EGF) relative to untreated cells. The binding of another growth factor, rat insulin-like growth factor-II, is unaffected. The increase in EGF binding induced by TGF-beta is not due to i...

journal_title：Cell

authors： Assoian RK,Frolik CA,Roberts AB,Miller DM,Sporn MB

更新日期：1984-01-01 00:00:00

abstract：:Balancing the capacity for protein maturation with changes in protein flux through the endoplasmic reticulum (ER) is crucial for maintaining ER homeostasis. In this issue, Merksamer et al. (2008) exploit a redox-sensitive fluorescent protein to monitor the environment inside the ER of living yeast, illuminating how th...

journal_title：Cell

authors： Kang SW,Hegde RS

更新日期：2008-11-28 00:00:00

abstract：:A functional cDNA from Aspergillus nidulans encoding triosephosphate isomerase (TPI) was isolated by its ability to complement a tpi1 mutation in Saccharomyces cerevisiae. This cDNA was used to obtain the corresponding gene, tpiA. Alignment of the cDNA and genomic DNA nucleotide sequences indicated that tpiA contains ...

journal_title：Cell

authors： McKnight GL,O'Hara PJ,Parker ML

更新日期：1986-07-04 00:00:00

abstract：:Recent results from diverse organisms point to a self-reinforcing network of interactions among the three best-characterized covalent modifications that mark heterochromatin: histone hypoacetylation, histone H3-Lys9 methylation, and cytosine methylation. These modification systems suggest a mechanistic basis for sprea...

journal_title：Cell

authors： Richards EJ,Elgin SC

更新日期：2002-02-22 00:00:00

abstract：:A strong transcription enhancer was identified in the genomic DNA (235 kb) of human cytomegalovirus (HCMV), a ubiquitous and severe pathogen of the herpesvirus group. Cotransfection of enhancerless SV40 DNA with randomly fragmented HCMV DNA yielded two SV40-HCMV recombinant viruses that had incorporated overlapping se...

journal_title：Cell

authors： Boshart M,Weber F,Jahn G,Dorsch-Häsler K,Fleckenstein B,Schaffner W

更新日期：1985-06-01 00:00:00

abstract：:The global financial crisis has hit biotech companies hard both in the US and Europe as venture capital dries up. Finding new sources of long-term financing for translating research into new therapeutics will be essential for maintaining innovation and new drug development by biotech companies. ...

journal_title：Cell

authors： Karberg S

更新日期：2009-08-07 00:00:00

abstract：:The subcellular distribution of the type II enzyme of cAMP-dependent protein kinase (cAMP-dPK II) in epithelial and fibroblastic cells was determined by indirect immunofluorescence microscopy. In interphase cells both regulatory (R II) and catalytic (C) subunits were concentrated in a perinuclear area. By comparison o...

journal_title：Cell

authors： Nigg EA,Schäfer G,Hilz H,Eppenberger HM

更新日期：1985-07-01 00:00:00

abstract：:To test the functional consequence of phosphorylation of the EGF receptor at Thr 654 by protein kinase C, the normal Thr 654 human EGF receptor cDNA or a mutant encoding an Ala 654 were expressed in heterologous cells. In cell lines expressing both the Thr 654 and Ala 654 receptors, functional cell-surface Thr 654 rec...

journal_title：Cell

authors： Lin CR,Chen WS,Lazar CS,Carpenter CD,Gill GN,Evans RM,Rosenfeld MG

更新日期：1986-03-28 00:00:00

abstract：:Independently derived mutants of Chinese hamster ovary cells have been isolated and shown to exhibit a subtle glycosylation defect resulting in the premature termination of certain asparagine-linked carbohydrate moieties. This carbohydrate alteration is akin to the types of structural variation termed microheterogenei...

journal_title：Cell

authors： Stanley P,Sudo T

更新日期：1981-03-01 00:00:00

abstract：:Vaccinia virus recombinants were generated which express the intact gp70/p15E of Friend mink cell focus inducing virus (F-MCFV) or truncated forms of the glycoprotein that lack the transmembrane and cytoplasmic domains. The transport of the intact and truncated envelope glycoproteins to apical or basolateral surfaces ...

journal_title：Cell

authors： Stephens EB,Compans RW

更新日期：1986-12-26 00:00:00

abstract：:The X-linked Foxp3 is a member of the forkhead/winged helix transcription factor family. Germline mutations cause lethal autoimmune diseases in males. Serendipitously, we observed that female mice heterozygous for the "scurfin" mutation of the Foxp3 gene (Foxp3(sf/+)) developed cancer at a high rate. The majority of t...

journal_title：Cell

authors： Zuo T,Wang L,Morrison C,Chang X,Zhang H,Li W,Liu Y,Wang Y,Liu X,Chan MW,Liu JQ,Love R,Liu CG,Godfrey V,Shen R,Huang TH,Yang T,Park BK,Wang CY,Zheng P,Liu Y

更新日期：2007-06-29 00:00:00

abstract：:We have produced a series of somatic cell hybrids by fusing pluripotent PCC4aza1 embryonal carcinoma ("teretocarcinoma") cells with thymocytes from young adult mice. When these hybrids form tumors in nu/nu or syngeneic mice, all the tumors contain a range of differentiated tissues, as well as embryonal carcinoma-like ...

journal_title：Cell

authors： Miller RA,Ruddle FH

更新日期：1976-09-01 00:00:00

abstract：:We have reproduced the posttranslational mode of protein translocation across the endoplasmic reticulum membrane with reconstituted proteoliposomes containing a purified complex of seven yeast proteins. This Sec complex includes a heterotrimeric Sec61p complex, homologous to that in mammals, as well as all other membr...

journal_title：Cell

authors： Panzner S,Dreier L,Hartmann E,Kostka S,Rapoport TA

更新日期：1995-05-19 00:00:00

abstract：:Sexual reproduction predominates among eukaryotic organisms on our planet. While debate continues over why this should be so, burgeoning genomic and functional information now allows us to begin to think reasonably about some of the events that may have occurred to make sex possible in the first place. ...

journal_title：Cell

authors： Villeneuve AM,Hillers KJ

更新日期：2001-09-21 00:00:00

abstract：:Cell lines from rhabdomyosarcomas, which are tumors of muscle origin, have been used as models of CD4-independent HIV infection. These cell lines can be induced to differentiate in vitro. We report here that the vpr gene of HIV1 is sufficient for the differentiation of the human rhabdomyosarcoma cell line TE671. Diffe...

journal_title：Cell

authors： Levy DN,Fernandes LS,Williams WV,Weiner DB

更新日期：1993-02-26 00:00:00

abstract：:Targeting of the RAS pathway has long been a critical therapeutic challenge in oncology. Burgess et al. examine how the relative expression of mutant and wild-type KRAS modulates clonal fitness and sensitivity to MEK inhibitors in a model of KrasG12D mutant acute myeloid leukemia and propose its use as a predictive bi...

journal_title：Cell

authors： Tothova Z,Ebert BL

更新日期：2017-02-23 00:00:00

abstract：:The initiation of chromosome segregation at anaphase is linked by the spindle assembly checkpoint to the completion of chromosome-microtubule attachment during metaphase. To determine the function of the mitotic checkpoint protein Mad2 during normal cell division and when mitosis goes awry, we have knocked out Mad2 in...

journal_title：Cell

authors： Dobles M,Liberal V,Scott ML,Benezra R,Sorger PK

更新日期：2000-06-09 00:00:00

abstract：:The germinal center (GC) reaction produces high-affinity antibodies by random mutation and selective clonal expansion of B cells with high-affinity receptors. The mechanism by which B cells are selected remains unclear, as does the role of the two anatomically defined areas of the GC, light zone (LZ) and dark zone (DZ...

journal_title：Cell

authors： Victora GD,Schwickert TA,Fooksman DR,Kamphorst AO,Meyer-Hermann M,Dustin ML,Nussenzweig MC

更新日期：2010-11-12 00:00:00

abstract：:Fertilized clam embryos synthesize several new cell-cycle-related proteins. The cloned cDNA and derived amino acid sequences of one of these, cyclin A, are presented here. Immunoblots with an anti-cyclin A antibody reveal that cyclin A is undetectable in oocytes, appears within 15 min of fertilization, and is destroye...

journal_title：Cell

authors： Swenson KI,Farrell KM,Ruderman JV

更新日期：1986-12-26 00:00:00

abstract：:Enteric-associated neurons (EANs) are closely associated with immune cells and continuously monitor and modulate homeostatic intestinal functions, including motility and nutrient sensing. Bidirectional interactions between neuronal and immune cells are altered during disease processes such as neurodegeneration or irri...

journal_title：Cell

authors： Matheis F,Muller PA,Graves CL,Gabanyi I,Kerner ZJ,Costa-Borges D,Ahrends T,Rosenstiel P,Mucida D

更新日期：2020-01-09 00:00:00

abstract：:The crystal structure of a proteolytic subfragment from scallop striated muscle myosin, complexed with MgADP, has been solved at 2.5 A resolution and reveals an unusual conformation of the myosin head. The converter and the lever arm are in very different positions from those in either the pre-power stroke or near-rig...

journal_title：Cell

authors： Houdusse A,Kalabokis VN,Himmel D,Szent-Györgyi AG,Cohen C

更新日期：1999-05-14 00:00:00

abstract：:The protein product of the human Duchenne muscular dystrophy locus (DMD) and its mouse homolog (mDMD) have been identified by using polyclonal antibodies directed against fusion proteins containing two distinct regions of the mDMD cDNA. The DMD protein is shown to be approximately 400 kd and to represent approximately...

journal_title：Cell

authors： Hoffman EP,Brown RH Jr,Kunkel LM

更新日期：1987-12-24 00:00:00

abstract：:The Bcl-2 family proteins are key regulators of apoptosis in human diseases and cancers. Though known to block apoptosis, Bcl-2 promotes cell death through an undefined mechanism. Here, we show that Bcl-2 interacts with orphan nuclear receptor Nur77 (also known as TR3), which is required for cancer cell apoptosis indu...

journal_title：Cell

authors： Lin B,Kolluri SK,Lin F,Liu W,Han YH,Cao X,Dawson MI,Reed JC,Zhang XK

更新日期：2004-02-20 00:00:00

abstract：:The full-length cDNA for a transcriptional activator, DBP, that binds to the D site of the albumin promoter has been cloned. DBP belongs to a family of related transcription factors including Fos, Jun, CREB, and C/EBP, which share a conserved basic domain. However, unlike most other members of this family, DBP does no...

journal_title：Cell

authors： Mueller CR,Maire P,Schibler U

更新日期：1990-04-20 00:00:00

abstract：:Transcriptional pausing by multisubunit RNA polymerases (RNAPs) is a key mechanism for regulating gene expression in both prokaryotes and eukaryotes and is a prerequisite for transcription termination. Pausing and termination states are thought to arise through a common, elemental pause state that is inhibitory for nu...

journal_title：Cell

authors： Weixlbaumer A,Leon K,Landick R,Darst SA

更新日期：2013-01-31 00:00:00

abstract：:We have employed repeat units of herpes simplex virus (HSV) defective genomes to derive a cloning-amplifying vector (amplicon) that can replicate in eucaryotic cells in the presence of standard HSV helper virus. The design of the HSV amplicon system is based on the previous observation that cotransfection of cells wit...

journal_title：Cell

authors： Spaete RR,Frenkel N

更新日期：1982-08-01 00:00:00

abstract：:We have identified an essential gene, called FIP1, encoding a 327 amino acid protein interacting with yeast poly(A) polymerase (PAP1) in the two-hybrid assay. Recombinant FIP1 protein forms a 1:1 complex with PAP1 in vitro. At 37 degrees C, a thermosensitive allele of FIP1 shows a shortening of poly(A) tails and a dec...

journal_title：Cell

authors： Preker PJ,Lingner J,Minvielle-Sebastia L,Keller W

更新日期：1995-05-05 00:00:00

abstract：:Ste5 is a Zn2+ finger-like protein thought to function before three kinases, Ste11 (a MEKK), Ste7 (a MEK), and Fus3 (a MAPK), in a conserved MAP kinase cascade required for mating in S. cerevisiae. Here, we present evidence that Ste5 forms a multikinase complex that joins these kinases for efficient Fus3 activation. B...

journal_title：Cell

authors： Choi KY,Satterberg B,Lyons DM,Elion EA

更新日期：1994-08-12 00:00:00