Telomere-associated protein TIN2 is essential for early embryonic development through a telomerase-independent pathway.

abstract：:We have designed and constructed integration-defective retroviral vectors to explore their potential for gene targeting in mammalian cells. Two nonoverlapping deletion mutants of the bacterial neomycin resistance (neo) gene were used to detect homologous recombination events between viral and chromosomal sequences. St...

journal_title：Molecular and cellular biology

authors： Ellis J,Bernstein A

更新日期：1989-04-01 00:00:00

abstract：:The expression of the Drosophila segmentation gene fushi tarazu (ftz) is controlled at the level of transcription. The proximal enhancer, located approximately 3.4 kb upstream of the transcription start site, directs lacZ fusion gene expression in a ftz-like seven-stripe pattern in transgenic fly embryos. We have take...

journal_title：Molecular and cellular biology

authors： Han W,Yu Y,Altan N,Pick L

更新日期：1993-09-01 00:00:00

abstract：:CDC37 encodes a 50-kDa protein that targets intrinsically unstable oncoprotein kinases including Cdk4, Raf-1, and v-src to the molecular chaperone Hsp90, an interaction that is thought to be important for the establishment of signaling pathways. CDC37 is required for proliferation in budding yeast and is coexpressed w...

journal_title：Molecular and cellular biology

authors： Stepanova L,Finegold M,DeMayo F,Schmidt EV,Harper JW

更新日期：2000-06-01 00:00:00

abstract：:To understand how DEXD/H-box proteins recognize and interact with their cellular substrates, we have been studying Prp28p, a DEXD/H-box splicing factor required for switching the U1 snRNP with the U6 snRNP at the precursor mRNA (pre-mRNA) 5' splice site. We previously demonstrated that the requirement for Prp28p can b...

journal_title：Molecular and cellular biology

authors： Hage R,Tung L,Du H,Stands L,Rosbash M,Chang TH

更新日期：2009-07-01 00:00:00

abstract：:We have examined the ability of the simian virus 40 72-base pair enhancer segment to simultaneously activate multiple transcription units with plasmids that contain one, two, or three simian virus 40-based transcription units in various arrangements. After transfection into CV1 cells, the expression of a marker gene, ...

journal_title：Molecular and cellular biology

authors： Kadesch T,Berg P

更新日期：1986-07-01 00:00:00

abstract：:The forkhead transcription factor FoxM1 has been reported to regulate, variously, proliferation and/or spindle formation during the G2/M transition of the cell cycle. Here we define specific functions of FoxM1 during brain development by the investigation of FoxM1 loss-of-function mutations in the context of Sonic hed...

journal_title：Molecular and cellular biology

authors： Schüller U,Zhao Q,Godinho SA,Heine VM,Medema RH,Pellman D,Rowitch DH

更新日期：2007-12-01 00:00:00

abstract：:B52, an essential SR protein of Drosophila melanogaster, stimulates pre-mRNA splicing in splicing-deficient mammalian S100 extracts. Surprisingly, mutant larvae depleted of B52 were found to be capable of splicing at least several pre-mRNAs tested (H. Z. Ring and J. T. Lis, Mol. Cell. Biol. 14:7499-7506, 1994). In a h...

journal_title：Molecular and cellular biology

authors： Hoffman BE,Lis JT

更新日期：2000-01-01 00:00:00

abstract：:Centrosomes ensure accurate chromosome segregation by directing spindle bipolarity. Loss of centrosome regulation results in centrosome amplification, multipolar mitosis and aneuploidy. Since centrosome amplification is common in premalignant lesions and breast tumors, it is proposed to play a central role in breast t...

journal_title：Molecular and cellular biology

authors： Lee MY,Moreno CS,Saavedra HI

更新日期：2014-07-01 00:00:00

abstract：:Eukaryotic translation initiation factor 4GI (eIF4GI) is an essential protein that is the target for translational regulation in many cellular processes and viral systems. It has been shown to function in both cap-dependent and cap-independent translation initiation by recruiting the 40S ribosomal subunit to the mRNA ...

journal_title：Molecular and cellular biology

authors： Byrd MP,Zamora M,Lloyd RE

更新日期：2002-07-01 00:00:00

abstract：:Studies were performed to verify the physiological significance of attenuation in the life cycle of simian virus 40 and the role of agnoprotein in this process. For these purposes, nuclei were isolated at various times after infection and incubated in vitro in the presence of [alpha-32P]UTP under the standard conditio...

journal_title：Molecular and cellular biology

authors： Hay N,Aloni Y

更新日期：1985-06-01 00:00:00

abstract：:In order to determine whether partial methylation of the herpes simplex virus (HSV) tk gene prevents tk gene expression, the HSV tk gene was cloned as single-stranded DNA. By in vitro second-strand DNA synthesis, specific HSV tk gene segments were methylated, and the hemimethylated DNA molecules were microinjected int...

journal_title：Molecular and cellular biology

authors： Graessmann A,Sandberg G,Guhl E,Graessmann M

更新日期：1994-03-01 00:00:00

abstract：:Intestinal gene regulation involves mechanisms that direct temporal expression along the vertical and horizontal axes of the alimentary tract. Sucrase-isomaltase (SI), the product of an enterocyte-specific gene, exhibits a complex pattern of expression. Generation of transgenic mice with a mutated SI transgene showed ...

journal_title：Molecular and cellular biology

authors： Boudreau F,Rings EH,Swain GP,Sinclair AM,Suh ER,Silberg DG,Scheuermann RH,Traber PG

更新日期：2002-08-01 00:00:00

abstract：:The tRNA methytransferase NSun2 promotes cell proliferation, but the molecular mechanism has not been elucidated. Here, we report that NSun2 regulates cyclin-dependent kinase 1 (CDK1) expression in a cell cycle-dependent manner. Knockdown of NSun2 decreased the CDK1 protein level, while overexpression of NSun2 elevate...

journal_title：Molecular and cellular biology

authors： Xing J,Yi J,Cai X,Tang H,Liu Z,Zhang X,Martindale JL,Yang X,Jiang B,Gorospe M,Wang W

更新日期：2015-12-01 00:00:00

abstract：:Protein 4.1G is a membrane skeletal protein found in specific subcellular structures in myelinated Schwann cells and seminiferous tubules. Here, we show that in the mouse sciatic nerve, protein 4.1G colocalized at Schmidt-Lanterman incisures (SLI) and the paranodes with a member of the membrane-associated guanylate ki...

journal_title：Molecular and cellular biology

authors： Terada N,Saitoh Y,Ohno N,Komada M,Saitoh S,Peles E,Ohno S

更新日期：2012-01-01 00:00:00

abstract：:The activity of p21ras is required for the proliferative response to colony-stimulating factor 1 (CSF-1), and signals transduced by both the CSF-1 receptor (CSF-1R) and p21ras stimulate transcription from promoter elements containing overlapping binding sites for Fos/Jun- and Ets-related proteins. A sequence encoding ...

journal_title：Molecular and cellular biology

authors： Langer SJ,Bortner DM,Roussel MF,Sherr CJ,Ostrowski MC

更新日期：1992-12-01 00:00:00

abstract：:The activity of the tumor suppressor p53 is tightly controlled by its main negative regulator, Mdm2, which inhibits p53's transcriptional activity and targets it for degradation via the proteasome pathway. The closely related Mdm2 homolog, MdmX, is also considered to be a general inhibitor of transactivation by p53, t...

journal_title：Molecular and cellular biology

authors： Biderman L,Poyurovsky MV,Assia Y,Manley JL,Prives C

更新日期：2012-04-01 00:00:00

abstract：:Following a proliferative phase of variable duration, most normal somatic cells enter a growth arrest state known as replicative senescence. In addition to telomere shortening, a variety of environmental insults and signaling imbalances can elicit phenotypes closely resembling senescence. We used p53(-/-) and p21(-/-)...

journal_title：Molecular and cellular biology

authors： Wei W,Hemmer RM,Sedivy JM

更新日期：2001-10-01 00:00:00

abstract：:Even though endothelin is recognized as an important vasoregulatory molecule, the roles of endothelin receptors in specific cell types are not yet fully understood. Mice with a null mutation in endothelin A receptor gene (ET(A)) or in the gene of its ligand (endothelin 1) die neonatally due to craniofacial and cardiac...

journal_title：Molecular and cellular biology

authors： Kedzierski RM,Grayburn PA,Kisanuki YY,Williams CS,Hammer RE,Richardson JA,Schneider MD,Yanagisawa M

更新日期：2003-11-01 00:00:00

abstract：:The expression of c-ets2 is rapidly induced in a variety of myelomonocytic cell lines as they differentiate into macrophages. We find that constitutive expression of c-ets2 in the M1D+ myeloblast leukemic cell line (M1ets2) is sufficient to push these cells to a more differentiated state. The expression of several dif...

journal_title：Molecular and cellular biology

authors： Aperlo C,Pognonec P,Stanley ER,Boulukos KE

更新日期：1996-12-01 00:00:00

abstract：:To define the sequence elements involved in initiation of DNA synthesis at the simian virus 40 origin of replication, we determined the relative replication efficiencies in vitro and in vivo of templates containing a variety of mutations within the origin region. Replication of the mutants in vitro was assayed by the ...

journal_title：Molecular and cellular biology

authors： Li JJ,Peden KW,Dixon RA,Kelly T

更新日期：1986-04-01 00:00:00

abstract：:We have been interested in how Rous sarcoma virus (RSV) influences transformed cell morphology and compared the molecular properties of chicken embryo cells (CEC) infected with mutants of RSV that induce the fusiform transformed cell morphology with those of CEC infected by wild-type RSV, which induces the more normal...

journal_title：Molecular and cellular biology

authors： Rohrschneider L,Reynolds S

更新日期：1985-11-01 00:00:00

abstract：:The mammalian ABL1 gene encodes the ubiquitously expressed nonreceptor tyrosine kinase ABL. In response to growth factors, cytokines, cell adhesion, DNA damage, oxidative stress, and other signals, ABL is activated to stimulate cell proliferation or differentiation, survival or death, retraction, or migration. ABL als...

journal_title：Molecular and cellular biology

authors： Wang JY

更新日期：2014-04-01 00:00:00

abstract：:Smad proteins play a key role in the intracellular signaling of the transforming growth factor beta (TGF-beta) superfamily of extracellular polypeptides that initiate signaling from the cell surface through serine/threonine kinase receptors. A subclass of Smad proteins, including Smad6 and Smad7, has been shown to fun...

journal_title：Molecular and cellular biology

authors： Datta PK,Moses HL

更新日期：2000-05-01 00:00:00

abstract：:Previous studies have identified novel modifications in the core fold domain of histone H2B, but relatively little is known about the function of these putative histone modification sites. We have mutated core modifiable residues that are conserved in Saccharomyces cerevisiae histone H2B and characterized the effects ...

journal_title：Molecular and cellular biology

authors： Kyriss MN,Jin Y,Gallegos IJ,Sanford JA,Wyrick JJ

更新日期：2010-07-01 00:00:00

abstract：:The Wnt signaling pathway plays a pivotal role in vertebrate early development and morphogenesis. Duplin (axis duplication inhibitor) interacts with beta-catenin and prevents its binding to Tcf, thereby inhibiting downstream Wnt signaling. Here we show that Duplin is expressed predominantly from early- to mid-stage mo...

journal_title：Molecular and cellular biology

authors： Nishiyama M,Nakayama K,Tsunematsu R,Tsukiyama T,Kikuchi A,Nakayama KI

更新日期：2004-10-01 00:00:00

abstract：:The adenovirus EIa gene products activate transcription from the viral EIII and EIIaE promoters. We studied the mechanism of this stimulation by constructing a series of chimeric promoter recombinants containing the upstream regions of the EIII and EIIaE promoters linked to the TATA box-start-site regions of the viral...

journal_title：Molecular and cellular biology

authors： Leff T,Chambon P

更新日期：1986-01-01 00:00:00

abstract：:Saccharomyces cerevisiae contains eight members of a novel and fungus-specific family of bZIP proteins that is defined by four atypical residues on the DNA-binding surface. Two of these proteins, Yap1 and Yap2, are transcriptional activators involved in pleiotropic drug resistance. Although initially described as AP-1...

journal_title：Molecular and cellular biology

authors： Fernandes L,Rodrigues-Pousada C,Struhl K

更新日期：1997-12-01 00:00:00

abstract：:Interleukin-6 (IL-6) and leukemia inhibitory factor (LIF), two multifunctional cytokines, recently have been identified as physiological inducers of hematopoietic cell differentiation which also induce terminal differentiation and growth arrest of the myeloblastic leukemic M1 cell line. In this work, it is shown that ...

journal_title：Molecular and cellular biology

authors： Hoffman-Liebermann B,Liebermann DA

更新日期：1991-05-01 00:00:00

abstract：:The mitogen-activated protein (MAP) kinases represent one of the most important classes of signaling cascades that are used by eukaryotic cells to sense extracellular signals. One of the major responses to these cascades is a change in cellular gene expression profiles mediated through the direct targeting of transcri...

journal_title：Molecular and cellular biology

authors： Zhang L,Yang SH,Sharrocks AD

更新日期：2007-04-01 00:00:00

abstract：:Thyroid hormone receptors are encoded by the TRalpha (NR1A1) and TRbeta (NR1A2) loci. These genes are transcribed into multiple variants whose functions are unclear. Analysis by gene inactivation in mice has provided new insights into the functional complexity of these products. Different strategies designed to modify...

journal_title：Molecular and cellular biology

authors： Gauthier K,Plateroti M,Harvey CB,Williams GR,Weiss RE,Refetoff S,Willott JF,Sundin V,Roux JP,Malaval L,Hara M,Samarut J,Chassande O

更新日期：2001-07-01 00:00:00