A proline-rich sequence unique to MEK1 and MEK2 is required for raf binding and regulates MEK function.

abstract：:Both systemic insulin resistance and tissue-specific insulin resistance have been described in Drosophila and are accompanied by many indicators of metabolic disease. The downstream mediators of insulin-resistant pathophysiology remain unclear. We analyzed insulin signaling in the fat body studying loss and gain of fu...

journal_title：Molecular and cellular biology

authors： Musselman LP,Fink JL,Grant AR,Gatto JA,Tuthill BF 2nd,Baranski TJ

更新日期：2017-12-29 00:00:00

abstract：:The c-Jun NH(2)-terminal kinase (JNK) group of mitogen-activated protein kinases (MAPKs) is activated in response to the treatment of cells with inflammatory cytokines and by exposure to environmental stress. JNK activation is mediated by a protein kinase cascade composed of a MAPK kinase and a MAPK kinase kinase. Her...

journal_title：Molecular and cellular biology

authors： Kelkar N,Gupta S,Dickens M,Davis RJ

更新日期：2000-02-01 00:00:00

abstract：:Although the primary function of U1 snRNA is to define the 5' donor site of an intron, it can also block the accumulation of a specific RNA transcript when it binds to a donor sequence within its terminal exon. This work was initiated to investigate if this property of U1 snRNA could be exploited as an effective metho...

journal_title：Molecular and cellular biology

authors： Beckley SA,Liu P,Stover ML,Gunderson SI,Lichtler AC,Rowe DW

更新日期：2001-04-01 00:00:00

abstract：:The natriuretic peptide receptors are three homologous cell surface proteins, each with a single transmembrane domain. The atrial natriuretic peptide receptor type A (ANPRA) and the homologous receptor type B (ANPRB) are both membrane guanylyl cyclases that synthesize cyclic GMP as an intracellular second messenger. T...

journal_title：Molecular and cellular biology

authors： Wilcox JN,Augustine A,Goeddel DV,Lowe DG

更新日期：1991-07-01 00:00:00

abstract：:Although the essential involvement of the progesterone receptor (PR) in female reproductive tissues is firmly established, the coregulators preferentially enlisted by PR to mediate its physiological effects have yet to be fully delineated. To further dissect the roles of members of the steroid receptor coactivator (SR...

journal_title：Molecular and cellular biology

authors： Mukherjee A,Soyal SM,Fernandez-Valdivia R,Gehin M,Chambon P,Demayo FJ,Lydon JP,O'Malley BW

更新日期：2006-09-01 00:00:00

abstract：:Glucocorticoid production in the adrenal cortex is activated in response to an increase in cyclic AMP (cAMP) signaling. The nuclear protein p54(nrb)/NONO belongs to the Drosophila behavior/human splicing (DBHS) family and has been implicated in several nuclear processes, including transcription, splicing, and RNA expo...

journal_title：Molecular and cellular biology

authors： Lu JY,Sewer MB

更新日期：2015-04-01 00:00:00

abstract：:Studies were undertaken to determine the effect of the Ras suppressor Rsu-1 on Ras signal transduction pathways in two different cell backgrounds. An expression vector containing the mouse rsu-1 cDNA under the control of a mouse mammary tumor virus promoter was introduced into NIH 3T3 cells and the pheochromocytoma ce...

journal_title：Molecular and cellular biology

authors： Masuelli L,Cutler ML

更新日期：1996-10-01 00:00:00

abstract：:Mutations in mitochondrial DNA (mtDNA) cause a variety of relatively rare human diseases and may contribute to the pathogenesis of other, more common degenerative diseases. This stimulates interest in the capacity of mitochondria to repair damage to mtDNA. Several recent studies have shown that some types of damage to...

journal_title：Molecular and cellular biology

authors： Pinz KG,Bogenhagen DF

更新日期：1998-03-01 00:00:00

abstract：:E2F and RB proteins regulate the expression of genes involved in cell cycle progression, apoptosis, differentiation, and development. Recent studies indicate that they function as part of an evolutionarily conserved multiprotein complex termed dREAM/DREAM/LINC. Here we characterize the role of the Drosophila complex, ...

journal_title：Molecular and cellular biology

authors： Lee H,Ragusano L,Martinez A,Gill J,Dimova DK

更新日期：2012-06-01 00:00:00

abstract：:In vertebrates, the basic helix-loop-helix (bHLH) protein Twist may be involved in the negative regulation of cellular determination and in the differentiation of several lineages, including myogenesis, osteogenesis, and neurogenesis. Although it has been shown that mouse twist (M-Twist) (i) sequesters E proteins, thu...

journal_title：Molecular and cellular biology

authors： Hamamori Y,Wu HY,Sartorelli V,Kedes L

更新日期：1997-11-01 00:00:00

abstract：:Efficient cleavage of both forms of eukaryotic initiation factor 4G (eIF4G-1 and eIF4G-2) has been achieved in HeLa cells by incubation with hybrid proteins containing poliovirus 2Apro. Entry of these proteins into cells is promoted by adenovirus particles. Substantial levels of ongoing translation on preexisting cell...

journal_title：Molecular and cellular biology

authors： Novoa I,Carrasco L

更新日期：1999-04-01 00:00:00

abstract：:The androgen receptor (AR) is a nuclear hormone receptor superfamily member that conveys both trans repression and ligand-dependent trans-activation function. Activation of the AR by dihydrotestosterone (DHT) regulates diverse physiological functions including secondary sexual differentiation in the male and the induc...

journal_title：Molecular and cellular biology

authors： Fu M,Wang C,Wang J,Zhang X,Sakamaki T,Yeung YG,Chang C,Hopp T,Fuqua SA,Jaffray E,Hay RT,Palvimo JJ,Jänne OA,Pestell RG

更新日期：2002-05-01 00:00:00

abstract：:The protein components that direct and activate accurate transcription by rat RNA polymerase I were studied in extracts of Novikoff hepatoma ascites cells. A minimum of at least two components, besides RNA polymerase I, that are necessary for efficient utilization of templates were identified. The first factor, rat SL...

journal_title：Molecular and cellular biology

authors： Smith SD,Oriahi E,Lowe D,Yang-Yen HF,O'Mahony D,Rose K,Chen K,Rothblum LI

更新日期：1990-06-01 00:00:00

abstract：:We have previously identified an 11-base DNA sequence, 5'-G-G-T-A-C-C-T-A-A-C-C-3' (simian virus 40 [SV40] map position 294 to 304), which is important in the control of SV40 late RNA expression in vitro and in vivo (Brady et al., Cell 31:625-633, 1982). We report here the identification of another domain of the SV40 ...

journal_title：Molecular and cellular biology

authors： Brady J,Radonovich M,Thoren M,Das G,Salzman NP

更新日期：1984-01-01 00:00:00

abstract：:Incubation of WEHI 231 cells, derived from a murine B-cell lymphoma, with antisera directed against its surface immunoglobulin results in the inhibition of growth within 24 h. Previously, we demonstrated that this treatment selectively affects cytoplasmic levels of c-myc mRNA (J. E. McCormack, V. H. Pepe, R. B. Kent, ...

journal_title：Molecular and cellular biology

authors： Levine RA,McCormack JE,Buckler A,Sonenshein GE

更新日期：1986-11-01 00:00:00

abstract：:Abelson murine leukemia virus (A-MuLV), a retrovirus that expresses the v-abl oncogene, characteristically induces pre-B-cell lymphomas following in vivo infection of BALB/c mice or in vitro infection of suspensions of fetal liver or bone marrow cells. ABL-MYC, a retrovirus that expresses both v-abl and c-myc, induces...

journal_title：Molecular and cellular biology

authors： Weissinger EM,Mischak H,Goodnight J,Davidson WF,Mushinski JF

更新日期：1993-04-01 00:00:00

abstract：:Following chromosome duplication in S phase of the cell cycle, the sister chromatids are linked by cohesin. At the onset of anaphase, separase cleaves cohesin and thereby initiates sister chromatid separation. Separase activation results from the destruction of its inhibitor, securin, which is triggered by a ubiquitin...

journal_title：Molecular and cellular biology

authors： Sullivan M,Holt L,Morgan DO

更新日期：2008-09-01 00:00:00

abstract：:The Stunted protein (StuAp) is a member of a family of transcription factors that regulate fungal development and cell cycle progression. Regulated stuA gene expression is required for correct cell pattern formation during asexual reproduction (conidiation) and for initiation of the sexual reproductive cycle in Asperg...

journal_title：Molecular and cellular biology

authors： Wu J,Miller BL

更新日期：1997-10-01 00:00:00

abstract：:The kidney's vital filtration function depends on the structural integrity of the glomerulus, the proximal portion of the nephron. Within the glomerulus, the architecturally complex podocyte forms the final cellular barrier to filtration. Injury to the podocyte results in a morphological change called foot process eff...

journal_title：Molecular and cellular biology

authors： Yu H,Suleiman H,Kim AH,Miner JH,Dani A,Shaw AS,Akilesh S

更新日期：2013-12-01 00:00:00

abstract：:Histone methylation is an important posttranslational modification that contributes to chromatin-based processes including transcriptional regulation, DNA repair, and epigenetic inheritance. In the budding yeast Saccharomyces cerevisiae, histone lysine methylation occurs on histone H3 lysines 4, 36, and 79, and its de...

journal_title：Molecular and cellular biology

authors： Klose RJ,Gardner KE,Liang G,Erdjument-Bromage H,Tempst P,Zhang Y

更新日期：2007-06-01 00:00:00

abstract：:Sequence data are presented for the Saccharomyces cerevisiae TAP1 gene and for a mutant allele, tap1-1, that activates transcription of the promoter-defective yeast SUP4 tRNA(Tyr) allele SUP4A53T61. The degree of in vivo activation of this allele by tap1-1 is strongly affected by the nature of the flanking DNA sequenc...

journal_title：Molecular and cellular biology

authors： Aldrich TL,Di Segni G,McConaughy BL,Keen NJ,Whelen S,Hall BD

更新日期：1993-06-01 00:00:00

abstract：:TBC (Tre-2/Bub2/Cdc16) domains are predicted to encode GTPase-activating proteins (GAPs) for Rab family G proteins. While approximately 50 TBC proteins are predicted to exist in humans, little is known about their substrate specificity. Here we show that TRE17 (also called Tre-2 and USP6), a founding member of the TBC...

journal_title：Molecular and cellular biology

authors： Martinu L,Masuda-Robens JM,Robertson SE,Santy LC,Casanova JE,Chou MM

更新日期：2004-11-01 00:00:00

abstract：:The transcription of meiosis-specific genes, as well as the initiation of meiosis, in the budding yeast Saccharomyces cerevisiae depends on IME1. IME1 encodes a transcriptional activator which lacks known DNA binding motifs. In this study we have determined the mode by which Ime1 specifically activates the transcripti...

journal_title：Molecular and cellular biology

authors： Rubin-Bejerano I,Mandel S,Robzyk K,Kassir Y

更新日期：1996-05-01 00:00:00

abstract：:Proteins encoded by the mdm2 gene, which has a pivotal role in the regulation of growth and differentiation, exist principally in human and murine cells as two isoforms that migrate in gels as 75-kDa and 90-kDa proteins. There is limited understanding of the respective biological roles of these isoforms, their molecul...

journal_title：Molecular and cellular biology

authors： Cheng TH,Cohen SN

更新日期：2007-01-01 00:00:00

abstract：:High-dose estrogen administration induces anemia in mammals. In chickens, estrogens stimulate outgrowth of bone marrow-derived erythroid progenitor cells and delay their maturation. This delay is associated with down-regulation of many erythroid cell-specific genes, including alpha- and beta-globin, band 3, band 4.1, ...

journal_title：Molecular and cellular biology

authors： Blobel GA,Sieff CA,Orkin SH

更新日期：1995-06-01 00:00:00

abstract：:Meltrin alpha (ADAM12) is a metalloprotease-disintegrin whose specific expression patterns during development suggest that it is involved in myogenesis and the development of other organs. To determine the roles Meltrin alpha plays in vivo, we generated Meltrin alpha-deficient mice by gene targeting. Although the numb...

journal_title：Molecular and cellular biology

authors： Kurisaki T,Masuda A,Sudo K,Sakagami J,Higashiyama S,Matsuda Y,Nagabukuro A,Tsuji A,Nabeshima Y,Asano M,Iwakura Y,Sehara-Fujisawa A

更新日期：2003-01-01 00:00:00

abstract：:Spatial control of cytokinesis is essential for proper cell division. The molecular mechanisms that anchor the dynamic assembly and constriction of the cytokinetic ring at the plasma membrane remain unclear. In the fission yeast Schizosaccharomyces pombe, the cytokinetic ring is assembled in the cell middle from corti...

journal_title：Molecular and cellular biology

authors： Guzman-Vendrell M,Baldissard S,Almonacid M,Mayeux A,Paoletti A,Moseley JB

更新日期：2013-01-01 00:00:00

abstract：:With v-yes DNA as the probe, a human cDNA library made from placental RNA was screened under relaxed conditions, and DNA clones derived from a novel genetic locus, termed lyn, were obtained. Nucleotide sequencing revealed that lyn could encode a novel tyrosine kinase that was very similar to mouse T-lymphocyte-specifi...

journal_title：Molecular and cellular biology

authors： Yamanashi Y,Fukushige S,Semba K,Sukegawa J,Miyajima N,Matsubara K,Yamamoto T,Toyoshima K

更新日期：1987-01-01 00:00:00

abstract：:In the current study, we were interested in exploring the molecular mechanism of circular RNA DLEU2 (circRNA-DLEU2) (hsa_circ_0000488) and microRNA 496 (miR-496), as well as PRKACB, in human acute myeloid leukemia (AML) cell activities. The RNA expression levels of circRNA-DLEU2, hsa-miR-496, and PRKACB were assessed ...

journal_title：Molecular and cellular biology

authors： Wu DM,Wen X,Han XR,Wang S,Wang YJ,Shen M,Fan SH,Zhang ZF,Shan Q,Li MQ,Hu B,Chen GQ,Lu J,Zheng YL

更新日期：2018-09-28 00:00:00

abstract：:The human T-cell leukemia virus-encoded oncoprotein Tax is a potent activator of viral transcription. Tax function is strictly dependent upon the cellular transcription factor CREB, and together they bind cAMP response elements within the viral promoter and mediate high-level viral transcription. Signal-dependent CREB...

journal_title：Molecular and cellular biology

authors： Geiger TR,Sharma N,Kim YM,Nyborg JK

更新日期：2008-02-01 00:00:00