Another view of the selective model of thymocyte selection.

abstract：:The differentiation of body-wall muscle cells was studied in the nematode Caenorhabditis elegans. Specific antibodies to myosin and paramyosin, major protein constituents of differentiated muscle, react with mesodermal cells in wild-type embryos towards the end of the first half of embryogenesis. Immunoreactive cells ...

journal_title：Cell

authors： Gossett LA,Hecht RM,Epstein HF

更新日期：1982-08-01 00:00:00

abstract：:E-cadherin is a major homophilic cell-cell adhesion molecule that inhibits motility of individual cells on matrix. However, its contribution to migration of cells through cell-rich tissues is less clear. We developed an in vivo sensor of mechanical tension across E-cadherin molecules, which we combined with cell-type-...

journal_title：Cell

authors： Cai D,Chen SC,Prasad M,He L,Wang X,Choesmel-Cadamuro V,Sawyer JK,Danuser G,Montell DJ

更新日期：2014-05-22 00:00:00

abstract：:In budding yeast, septins are involved in the morphogenesis checkpoint and the DNA damage checkpoint, both of which regulate cell-cycle progression. In this issue of Cell, Kremer et al. (2007) link septins to DNA damage in mammalian cells by identifying a new signaling pathway that includes the adaptors SOCS7 and NCK....

journal_title：Cell

authors： Kinoshita M,Takeda S

更新日期：2007-09-07 00:00:00

abstract：:The Wnt pathway controls cell fates, tissue homeostasis, and cancer. Its activation entails the association of beta-catenin with nuclear TCF/LEF proteins and results in transcriptional activation of target genes. The mechanism by which nuclear beta-catenin controls transcription is largely unknown. Here we genetically...

journal_title：Cell

authors： Mosimann C,Hausmann G,Basler K

更新日期：2006-04-21 00:00:00

abstract：:The v-erbB gene of avian erythroblastosis virus (AEV) codes for an integral plasma membrane glycoprotein, gp74erbB. Expression of gp74erbB and its intracellular precursors, gp66erbB and gp68erbB, has been studied in cells transformed by two temperature-sensitive mutants of AEV. After shift to 42 degrees C, the process...

journal_title：Cell

authors： Beug H,Hayman MJ

更新日期：1984-04-01 00:00:00

abstract：:Cellular receptors are required for efficient entry of retroviruses into cells. We previously cloned a chicken gene responsible for susceptibility to the retrovirus subgroup A Rous sarcoma virus (RSV(A)). Here we have isolated the quail homolog and generated two alternatively spliced processed genes encoding cellular ...

journal_title：Cell

authors： Bates P,Young JA,Varmus HE

更新日期：1993-09-24 00:00:00

abstract：:Mutations in the C. elegans gene ced-3 prevent almost all programmed cell deaths, so that in a ced-3 mutant there are many extra cells. We show that the pharyngeal neuron M4 is essential for feeding in wild-type worms, but in a ced-3 mutant, one of the extra cells, probably MSpaaaaap (the sister of M4), can sometimes ...

journal_title：Cell

authors： Avery L,Horvitz HR

更新日期：1987-12-24 00:00:00

abstract：:Inducer T-cell clones reactive to the p-azobenzenearsonate (arsonate) hapten possess binding sites for radioactive arsanylated proteins, which are not present on clones with other antigen specificities. Binding occurred in the absence of histocompatibility proteins. Binding was specific for the p-azobenzenearsonate ha...

journal_title：Cell

authors： Rao A,Ko WW,Faas SJ,Cantor H

更新日期：1984-04-01 00:00:00

abstract：:Linear simian virus 40 (SV40) chromosomes were prepared by Eco R1 nuclease cleavage of the circular SV40 chromosomes released from virions with dithiothreitol at pH 9,8. Chromatin-DNA hybrids were constructed with segments of 3H-labeled, naked SV40 DNA covalently joined via the Eco R1-generated cohesive ends to segmen...

journal_title：Cell

authors： Beard P

更新日期：1978-11-01 00:00:00

abstract：:To elucidate the evolutionary origin of nervous system centralization, we investigated the molecular architecture of the trunk nervous system in the annelid Platynereis dumerilii. Annelids belong to Bilateria, an evolutionary lineage of bilateral animals that also includes vertebrates and insects. Comparing nervous sy...

journal_title：Cell

authors： Denes AS,Jékely G,Steinmetz PR,Raible F,Snyman H,Prud'homme B,Ferrier DE,Balavoine G,Arendt D

更新日期：2007-04-20 00:00:00

abstract：:Polyglycylation is a posttranslational modification that generates glycine side chains on proteins. Here we identify a family of evolutionarily conserved glycine ligases that modify tubulin using different enzymatic mechanisms. In mammals, two distinct enzyme types catalyze the initiation and elongation steps of polyg...

journal_title：Cell

authors： Rogowski K,Juge F,van Dijk J,Wloga D,Strub JM,Levilliers N,Thomas D,Bré MH,Van Dorsselaer A,Gaertig J,Janke C

更新日期：2009-06-12 00:00:00

abstract：:Genomic Xenopus borealis oocyte-specific 5S DNA (Xbo) contains clusters of 5S rRNA genes. The number of genes varies among clusters, and the distance between genes within a cluster is about 80 nucleotides. The spacer DNA between gene clusters is AT-rich and heterogeneous in length due in part to variable numbers of a ...

journal_title：Cell

authors： Korn LJ,Brown DD

更新日期：1978-12-01 00:00:00

abstract：:Rodent cells resistant to PALA, a specific inhibitor of the aspartate transcarbamylase activity of the multifunctional CAD protein, overproduce CAD as a result of amplification of the CAD gene. We cloned a functional CAD gene from Syrian hamster cells using a cosmid vector. Two independently isolated cosmids containin...

journal_title：Cell

authors： de Saint Vincent BR,Delbrück S,Eckhart W,Meinkoth J,Vitto L,Wahl G

更新日期：1981-12-01 00:00:00

abstract：:The leader RNA transcript of vesicular stomatitis virus (VSV) has been immunoprecipitated from infected BHK cell extracts by anti-La specific sera from patients with systemic lupus erythematosus (SLE). This association was specific as lupus anti-sera with other specificities failed to precipitate leader RNA. The amoun...

journal_title：Cell

authors： Kurilla MG,Keene JD

更新日期：1983-10-01 00:00:00

abstract：:DMC1 is a new meiosis-specific yeast gene. Dmc1 protein is structurally similar to bacterial RecA proteins. dmc1 mutants are defective in reciprocal recombination, accumulate double-strand break (DSB) recombination intermediates, fail to form normal synaptonemal complex (SC), and arrest late in meiotic prophase. dmc1 ...

journal_title：Cell

authors： Bishop DK,Park D,Xu L,Kleckner N

更新日期：1992-05-01 00:00:00

abstract：:We examine the interaction between polyoma-virus-encoded middle tumor antigen and the cellular src gene product, pp60c-src, using a series of monoclonal antibodies that recognize mammalian pp60c-src. Our results show that infection of mouse cells with transformation-competent strains of polyoma virus results in the st...

journal_title：Cell

authors： Bolen JB,Thiele CJ,Israel MA,Yonemoto W,Lipsich LA,Brugge JS

更新日期：1984-10-01 00:00:00

abstract：:Neural progenitors generate distinct cell types at different stages, but the mechanisms controlling these temporal transitions are poorly understood. In the Drosophila CNS, a cascade of transcription factors, the "temporal gene cascade," has been identified that acts to alter progenitor competence over time. However, ...

journal_title：Cell

authors： Baumgardt M,Karlsson D,Terriente J,Díaz-Benjumea FJ,Thor S

更新日期：2009-11-25 00:00:00

abstract：:The ELH prohormone is proteolytically processed into at least nine peptides which govern egg-laying behavior in Aplysia. Quantitative immunocytochemistry demonstrates that peptides derived from the prohormone are packaged into distinct vesicle classes. Further experiments suggest the segregation occurs via a rapid ini...

journal_title：Cell

authors： Fisher JM,Sossin W,Newcomb R,Scheller RH

更新日期：1988-09-09 00:00:00

abstract：:Females with germline mutations in BRCA1 are predisposed to develop breast and ovarian cancers. A previous report indicated that BRCA1 colocalizes with and is necessary for the correct localization of XIST, a noncoding RNA that coats the inactive X chromosome (Xi) to mediate formation of facultative heterochromatin. A...

journal_title：Cell

authors： Xiao C,Sharp JA,Kawahara M,Davalos AR,Difilippantonio MJ,Hu Y,Li W,Cao L,Buetow K,Ried T,Chadwick BP,Deng CX,Panning B

更新日期：2007-03-09 00:00:00

abstract：:Actomyosin retrograde flow underlies the contraction essential for cell motility. Retrograde flow in both lamellipodia and lamella is required for membrane protrusion and for force generation by coupling to cell adhesion. We report that the Rac/Cdc42-binding kinase MRCK and myosin II-related MYO18A linked by the adapt...

journal_title：Cell

authors： Tan I,Yong J,Dong JM,Lim L,Leung T

更新日期：2008-10-03 00:00:00

abstract：:CFTR, the protein associated with cystic fibrosis, is phosphorylated on serine residues in response to cAMP agonists. Serines 660, 737, 795, and 813 were identified as in vivo targets for phosphorylation by protein kinase A. The SPQ fluorescence assay revealed that mutagenesis of any one of these sites did not affect ...

journal_title：Cell

authors： Cheng SH,Rich DP,Marshall J,Gregory RJ,Welsh MJ,Smith AE

更新日期：1991-09-06 00:00:00

abstract：:The mammalian BAF complex regulates gene expression by modifying chromatin structure. In this report, we identify 80 genes activated and 2 genes repressed by the BAF complex in SW-13 cells. We find that prior binding of NFI/CTF to the NFI/CTF binding site in CSF1 promoter is required for the recruitment of the BAF com...

journal_title：Cell

authors： Liu R,Liu H,Chen X,Kirby M,Brown PO,Zhao K

更新日期：2001-08-10 00:00:00

abstract：:Members of the myocyte enhancer factor-2 (MEF2) family of MADS domain transcription factors cannot induce myogenesis in transfected fibroblasts, but when coexpressed with the myogenic basic-helix-loop-helix (bHLH) proteins MyoD or myogenin they dramatically increase the extent of myogenic conversion above that seen wi...

journal_title：Cell

authors： Molkentin JD,Black BL,Martin JF,Olson EN

更新日期：1995-12-29 00:00:00

abstract：:Plasmids expressing partial-length sense or antisense protein 4.1 RNA were microinjected into fertilized Xenopus eggs. Nuclease protection assays reveal that antisense protein 4.1 RNA lead to the specific loss of endogenous protein 4.1 transcripts after midblastula transition, with no effect on the levels of three unr...

journal_title：Cell

authors： Giebelhaus DH,Eib DW,Moon RT

更新日期：1988-05-20 00:00:00

abstract：:A growing body of evidence indicates that plant transcription factors move between cells. A recent paper by Nakajima et al. (2001) shows that movement of the SHORTROOT protein provides a mechanism for signaling positional information between cell layers of the root. ...

journal_title：Cell

authors： Barton MK

更新日期：2001-10-19 00:00:00

abstract：:Chromosomal rearrangements, including translocations, require formation and joining of DNA double strand breaks (DSBs). These events disrupt the integrity of the genome and are frequently involved in producing leukemias, lymphomas and sarcomas. Despite the importance of these events, current understanding of their gen...

journal_title：Cell

authors： Klein IA,Resch W,Jankovic M,Oliveira T,Yamane A,Nakahashi H,Di Virgilio M,Bothmer A,Nussenzweig A,Robbiani DF,Casellas R,Nussenzweig MC

更新日期：2011-09-30 00:00:00

abstract：:The influence of MHC antigens on TCR gamma delta usage in CD8+ intraepithelial lymphocytes (IELs) was examined using a pan-reactive and V delta 4 region-specific MAb. While an average of 30% of IELs from the majority of mice of various MHC haplotypes were V delta 4+, a 2-fold or greater percentage of IELs from H-2k mi...

journal_title：Cell

authors： Lefrancois L,LeCorre R,Mayo J,Bluestone JA,Goodman T

更新日期：1990-10-19 00:00:00

abstract：:Constitutive egress of bone marrow (BM)-resident hematopoietic stem and progenitor cells (HSPCs) into the blood is a well-established phenomenon, but the ultimate fate and functional relevance of circulating HSPCs is largely unknown. We show that mouse thoracic duct (TD) lymph contains HSPCs that possess short- and lo...

journal_title：Cell

authors： Massberg S,Schaerli P,Knezevic-Maramica I,Köllnberger M,Tubo N,Moseman EA,Huff IV,Junt T,Wagers AJ,Mazo IB,von Andrian UH

更新日期：2007-11-30 00:00:00

abstract：:Negative selection with FUdR produced revertants from the transformed rat line 14B, which contains one insertion of the SV40 viral genome (Botchan, Topp and Sambrook, 1976). 14B contains nuclear T antigen, grows to a high density, grows in low serum and is anchorage-independent. The revertants fall into three classes ...

journal_title：Cell

authors： Steinberg B,Pollack R,Topp W,Botchan M

更新日期：1978-01-01 00:00:00

abstract：:Cellular functioning requires the orchestration of thousands of molecular interactions in time and space. Yet most molecules in a cell move by diffusion, which is sensitive to external factors like temperature. How cells sustain complex, diffusion-based systems across wide temperature ranges is unknown. Here, we uncov...

journal_title：Cell

authors： Persson LB,Ambati VS,Brandman O

更新日期：2020-12-10 00:00:00