Smoothened mutants reveal redundant roles for Shh and Ihh signaling including regulation of L/R asymmetry by the mouse node.

abstract：:Bovine Papilloma Virus (BPV-1) establishes itself as a multicopy nuclear plasmid in somatic mammalian cells in culture. We report here that two discontinuous regions within the viral genome can independently support extrachromosomal replication of the Tn5 neomycinr gene in cells that provide viral factors in trans. Th...

journal_title：Cell

authors： Lusky M,Botchan MR

更新日期：1984-02-01 00:00:00

abstract：:The protein Par-4 acts in the cytoplasm to trigger cell death signaling via caspase activation and the mitochondrial release of cytochrome c. Burikhanov et al. (2009) now provide surprising evidence that Par-4 can also promote apoptosis from outside the cell, after its secretion in response to endoplasmic reticulum st...

journal_title：Cell

authors： Hart LS,El-Deiry WS

更新日期：2009-07-23 00:00:00

abstract：:The promoter specificity of transcriptional activators is generally thought to be conferred by the specificity of the DNA-binding domain, which brings the activation domain to the appropriate promoter sequence. We show here, however, that Oct-1 and Oct-2 can differentially activate transcription not through DNA bindin...

journal_title：Cell

authors： Tanaka M,Lai JS,Herr W

更新日期：1992-02-21 00:00:00

abstract：:What happens to organelles during mitosis, and how they are apportioned to each of the daughter cells, is not completely clear. We have devised a procedure to address whether Golgi membranes fuse with the Endoplasmic Reticulum (ER) during mitosis via the detection of interactions between ER and Golgi proteins. This pr...

journal_title：Cell

authors： Pecot MY,Malhotra V

更新日期：2004-01-09 00:00:00

abstract：:We have used monoclonal antibodies to detect developmentally regulated cell surface antigens on D. discoideum amebae. A study of an antigen detected using an antibody produced by a hybridoma line implicates a previously undescribed component in the process of cell aggregation. This antigen (consisting of a doublet of ...

journal_title：Cell

authors： Brodie C,Klein C,Swierkosz J

更新日期：1983-04-01 00:00:00

abstract：:Cultured NIH 3T3 cells devoid of endogenous EGF receptors were transfected with cDNA constructs encoding either the human EGF receptor or an EGF receptor mutant in which Lys721, a key residue in the ATP binding site, was replaced with an alanine residue. The mutant receptor was properly processed, and it displayed bot...

journal_title：Cell

authors： Honegger AM,Dull TJ,Felder S,Van Obberghen E,Bellot F,Szapary D,Schmidt A,Ullrich A,Schlessinger J

更新日期：1987-10-23 00:00:00

abstract：:The memory for sensitization of the gill withdrawal reflex in Aplysia is reflected in facilitation of the monosynaptic connection between the sensory and motor neurons of the reflex. The switch from short- to long-term facilitation requires activation of CREB1, derepression of ApCREB2, and induction of ApC/EBP. In sea...

journal_title：Cell

authors： Bartsch D,Ghirardi M,Casadio A,Giustetto M,Karl KA,Zhu H,Kandel ER

更新日期：2000-11-10 00:00:00

abstract：:The 50 amino acid form of TGF-alpha is cleaved from a conserved integral membrane glycoprotein by a protease that, in many tumor cells, appears to be limiting. To test whether the membrane-bound precursor has biological activity in the absence of processing, we introduced amino acid substitutions at the proteolytic cl...

journal_title：Cell

authors： Wong ST,Winchell LF,McCune BK,Earp HS,Teixidó J,Massagué J,Herman B,Lee DC

更新日期：1989-02-10 00:00:00

abstract：:A large (approximately 200 kd) subunit of cellular RNA polymerase II (Pol II) and a virus-encoded subunit of rabbit poxvirus (RPV) RNA polymerase (137 kd) react with common monoclonal antibodies. Hybridization studies with viral and cellular DNA clones confirm that the viral and cellular proteins are related. Followin...

journal_title：Cell

authors： Morrison DK,Moyer RW

更新日期：1986-02-28 00:00:00

abstract：:How difficult is to go from egg to implanted embryo? The evolution of placentation in eutherian mammals created enormous challenges, in particular to the maternal immune system, as the fetus expresses paternal antigens that are capable of triggering immune rejection. Samstein et al. reveal a role for inducible regulat...

journal_title：Cell

authors： Gobert M,Lafaille JJ

更新日期：2012-07-06 00:00:00

abstract：:CD4 T cells potentiate the inflammatory or humoral immune response through the action of Th1 and Th2 cells, respectively. The molecular basis of the differentiation of these cells from naive T cell precursors is, however, unclear. We found that GATA-3 was selectively expressed in Th2 cells. GATA-3 is expressed at a hi...

journal_title：Cell

authors： Zheng W,Flavell RA

更新日期：1997-05-16 00:00:00

abstract：:Microglia are the resident macrophages of the CNS, and their functions have been extensively studied in various brain pathologies. The physiological roles of microglia in brain plasticity and function, however, remain unclear. To address this question, we generated CX3CR1(CreER) mice expressing tamoxifen-inducible Cre...

journal_title：Cell

authors： Parkhurst CN,Yang G,Ninan I,Savas JN,Yates JR 3rd,Lafaille JJ,Hempstead BL,Littman DR,Gan WB

更新日期：2013-12-19 00:00:00

abstract：:The mouse kreisler (kr) mutation causes segmentation abnormalities in the caudal hindbrain and defective inner ear development. Based on an inversion discovered in the original kr allele, we selected a candidate cDNA highly expressed in the developing caudal hindbrain. This cDNA encodes a basic domain-leucine zipper (...

journal_title：Cell

authors： Cordes SP,Barsh GS

更新日期：1994-12-16 00:00:00

abstract：:The ubiquitin-specific processing protease (UBP) family of deubiquitinating enzymes plays an essential role in numerous cellular processes. HAUSP, a representative UBP, specifically deubiquitinates and hence stabilizes the tumor suppressor protein p53. Here, we report the crystal structures of the 40 kDa catalytic cor...

journal_title：Cell

authors： Hu M,Li P,Li M,Li W,Yao T,Wu JW,Gu W,Cohen RE,Shi Y

更新日期：2002-12-27 00:00:00

abstract：:We have isolated and characterized several members of the P transposable element family from a Drosophila melanogaster P strain. Large 2.9 kb elements are present as multiple highly conserved copies together with smaller (0.5-1.6 kb), heterogeneous elements. The complete DNA sequences of the 2.9 kb element and four sm...

journal_title：Cell

authors： O'Hare K,Rubin GM

更新日期：1983-08-01 00:00:00

abstract：:Fragile X syndrome results from the expansion of a CGG repeat that is normally interrupted by occasional AGG triplets. Linkage disequilibrium suggests that certain normal haplotypes may contribute unequally to the pool of fragile X chromosomes. Sequence analysis of normal alleles demonstrates haplotype-specific variat...

journal_title：Cell

authors： Kunst CB,Warren ST

更新日期：1994-06-17 00:00:00

abstract：:Transcription hinders replication fork progression and stability. The ATR checkpoint and specialized DNA helicases assist DNA synthesis across transcription units to protect genome integrity. Combining genomic and genetic approaches together with the analysis of replication intermediates, we searched for factors coord...

journal_title：Cell

authors： Alzu A,Bermejo R,Begnis M,Lucca C,Piccini D,Carotenuto W,Saponaro M,Brambati A,Cocito A,Foiani M,Liberi G

更新日期：2012-11-09 00:00:00

abstract：:Genes are packaged into nucleosomal arrays, each nucleosome typically having two copies of histones H2A, H2B, H3, and H4. Histones have distinct posttranslational modifications, variant isoforms, and dynamics. Whether each histone copy within a nucleosome has distinct properties, particularly in relation to the direct...

journal_title：Cell

authors： Rhee HS,Bataille AR,Zhang L,Pugh BF

更新日期：2014-12-04 00:00:00

abstract：:The alpha IIb beta 3 integrin binds Arg-Gly-Asp-containing (RGD-containing) ligands in a cation-dependent interaction. A fourteen amino acid sequence, beta 3 (118-131), and an antibody to it, inhibited ligand binding functions of alpha IIb beta 3, and a 1:1 stoichiometric beta 3 (118-131)-RGD complex was detected by m...

journal_title：Cell

authors： D'Souza SE,Haas TA,Piotrowicz RS,Byers-Ward V,McGrath DE,Soule HR,Cierniewski C,Plow EF,Smith JW

更新日期：1994-11-18 00:00:00

abstract：:A family of proteins was shown to bind cooperatively with TFIID to core promoters, as previously demonstrated for the general initiation factor TFIIA. These factors form distinct complexes with TFIID, fail to bind DNA in the absence of TFIID, differ chromatographically from TFIIA, and compete with TFIIA for binding to...

journal_title：Cell

authors： Meisterernst M,Roeder RG

更新日期：1991-11-01 00:00:00

abstract：:The looming threat of a new influenza virus pandemic has fueled ambitious efforts to devise more predictive parameters for assessing the risks associated with emergent virus strains. At the same time, a comprehensive understanding of critical factors that can accurately predict the outcome of vaccination is sorely nee...

journal_title：Cell

authors： Miller MS,Palese P

更新日期：2014-04-10 00:00:00

abstract：:Novel, approximately 90 bp intervening sequences (IVs) were discovered within the 23S rRNA genes of S. typhimurium and S. arizonae. These non-rRNA sequences are transcribed and then excised during rRNA maturation. The rRNA fragments that result from the excision of the extra sequences are not religated. This results i...

journal_title：Cell

authors： Burgin AB,Parodos K,Lane DJ,Pace NR

更新日期：1990-02-09 00:00:00

abstract：:In this issue of Cell, Yamamoto et al. (2005) describe a novel molecule, Shisa, which functions in the endoplastic reticulum (ER) to prevent maturation of Frizzled (Fz) serpentine receptors and fibroblast growth factor receptor (FGFR). Shisa thus antagonizes Wnt and FGF signaling cell-autonomously, thereby promoting a...

journal_title：Cell

authors： He X

更新日期：2005-01-28 00:00:00

abstract：:Embryonal carcinoma cells derived from murine teratocarcinomas are able to differentiate into the same variety of tissue types as early embryonic cells. Because embryonal carcinoma cells resemble those of the embryo at a stage before X chromosome inactivation has occurred in females embryonal carcinoma cells containin...

journal_title：Cell

authors： McBurney MW,Adamson ED

更新日期：1976-09-01 00:00:00

abstract：:A unique DNA structural intermediate associated with termination of replication in Bacillus subtilis has been identified. This was achieved by probing for the Bam HI DNA fragment within which the terminus of the chromosome (terC) resides. The intermediate migrates more slowly than the bulk of digested chromosomal DNA ...

journal_title：Cell

authors： Weiss AS,Wake RG

更新日期：1984-12-01 00:00:00

abstract：:We have examined the conformation of DNA cloned from the hypersensitive region 5' of the chicken adult beta-globin gene, in order to determine whether the unusual sensitivity to nucleases is related to altered secondary structure of the DNA. The region contains a large number of sites for methylation; we have studied ...

journal_title：Cell

authors： Nickol JM,Felsenfeld G

更新日期：1983-12-01 00:00:00

abstract：:The BALC/c mouse has two nonallelic beta-globin genes that appear to reside on two different Eco R1 fragments of genomic DNA. We have already cloned one of these fragments and shown that the gene encoded within it is interrupted by at least one large intervening sequence of DNA. We have now cloned and characterized th...

journal_title：Cell

authors： Tiemeier DC,Tilghman SM,Polsky FI,Seidman JG,Leder A,Edgell MH,Leder P

更新日期：1978-06-01 00:00:00

abstract：:The brlA gene of A. nidulans mediates the developmental switch from the indeterminate, apical growth pattern of vegetative cells to the budding growth pattern of conidiophores. brlA encodes a 432 amino acid polypeptide containing two directly repeated motifs resembling the Zn(II) coordination sites first recognized in...

journal_title：Cell

authors： Adams TH,Boylan MT,Timberlake WE

更新日期：1988-07-29 00:00:00

abstract：:To defend cells against viruses, the MAVS (mitochondrial antiviral signaling) adaptor protein initiates an antiviral signaling cascade from mitochondrial membranes. In this issue, Dixit et al. (2010) show that MAVS also localizes to the membranes of peroxisomes, where it rapidly induces expression of a subset of antiv...

journal_title：Cell

authors： Sharma S,Fitzgerald KA

更新日期：2010-05-14 00:00:00

abstract：:All-trans retinoic acid (RA) has previously been shown to modulate the transcriptional properties of the retinoic acid receptor (RAR) and retinoid X receptor (RXR). The inability of all-trans RA to bind to RXR suggests that it may be metabolized to a more active high affinity ligand. We report here an experimental app...

journal_title：Cell

authors： Heyman RA,Mangelsdorf DJ,Dyck JA,Stein RB,Eichele G,Evans RM,Thaller C

更新日期：1992-01-24 00:00:00