Caspase-2, a novel lipid sensor under the control of sterol regulatory element binding protein 2.

abstract：:The Polycomb group proteins are transcriptional repressors that are thought to act through multimeric nuclear complexes. We show that ph and Psc coprecipitate with Pc from nuclear extracts. We have analyzed the domains required for the association of Psc with ph and Pc by using the yeast two-hybrid system and an in vi...

journal_title：Molecular and cellular biology

authors： Kyba M,Brock HW

更新日期：1998-05-01 00:00:00

abstract：:A cell-free nuclear replication system that is S-phase specific, that requires the activity of DNA polymerase alpha, and that is stimulated three- to eightfold by cytoplasmic factors from S-phase cells was used to examine the temporal specificity of chromosomal DNA synthesis in vitro. Temporal specificity of DNA synth...

journal_title：Molecular and cellular biology

authors： Heintz NH,Stillman BW

更新日期：1988-05-01 00:00:00

abstract：:The protein-tyrosine kinases (PTKs) are a burgeoning family of proteins, each of which bears a conserved domain of 250 to 300 amino acids capable of phosphorylating substrate proteins on tyrosine residues. We recently exploited the existence of two highly conserved sequence elements within the catalytic domain to gene...

journal_title：Molecular and cellular biology

authors： Wilks AF,Harpur AG,Kurban RR,Ralph SJ,Zürcher G,Ziemiecki A

更新日期：1991-04-01 00:00:00

abstract：:Nonhistone chromosomal proteins HMG-14 and HMG-17 are closely related nucleosomal binding proteins that unfold the higher-order chromatin structure, thereby enhancing the transcription and replication potential of chromatin. Here we report that PCAF, a transcription coactivator with intrinsic histone acetyltransferase...

journal_title：Molecular and cellular biology

authors： Herrera JE,Sakaguchi K,Bergel M,Trieschmann L,Nakatani Y,Bustin M

更新日期：1999-05-01 00:00:00

abstract：:The serum response factor (p67SRF) binds to a palindromic sequence in the c-fos serum response element (SRE). A second protein, p62TCF binds in conjunction with p67SRF to form a ternary complex, and it is through this complex that growth factor-induced transcriptional activation of c-fos is thought to take place. A 90...

journal_title：Molecular and cellular biology

authors： Sharrocks AD,Gille H,Shaw PE

更新日期：1993-01-01 00:00:00

abstract：:This is the first study reporting the inactivation of a member of the mouse gene family of toxin-related ecto-ADP-ribosyltransferases (ARTs). Transfer of the ADP-ribose moiety from NAD onto extracellular arginine residues on T-cell membrane proteins is mediated by glycosylphosphatidylinositol-linked cell surface ARTs....

journal_title：Molecular and cellular biology

authors： Ohlrogge W,Haag F,Löhler J,Seman M,Littman DR,Killeen N,Koch-Nolte F

更新日期：2002-11-01 00:00:00

abstract：:Deletion analysis was used to identify sequences upstream of the ADH2 gene of Saccharomyces cerevisiae that are required for its regulation. 5' and 3' internal deletions of the ADH2 control region were created in vitro, and the fragments were ligated adjacent to the ADH1 promoter and structural gene. Hybrid genes with...

journal_title：Molecular and cellular biology

authors： Beier DR,Sledziewski A,Young ET

更新日期：1985-07-01 00:00:00

abstract：:The human Ki-ras gene was previously reported to contain two alternative fourth exons which encode two distinct p21 proteins differing only at their carboxy termini. The present study shows that either p21 protein is able on its own to transform NIH 3T3 cells to a tumorigenic state. ...

journal_title：Molecular and cellular biology

authors： McCoy MS,Weinberg RA

更新日期：1986-04-01 00:00:00

abstract：:RNA editing in trypanosomes has been proposed to occur through transesterification or endonuclease cleavage and RNA ligation reactions. Both models involve a chimeric intermediate in which a guide RNA (gRNA) is joined through its 3' oligo(U) tail to an editing site of the corresponding mRNA. Velocity centrifugation of...

journal_title：Molecular and cellular biology

authors： Piller KJ,Decker CJ,Rusché LN,Sollner-Webb B

更新日期：1995-06-01 00:00:00

abstract：:Site-specific recombination provides a powerful tool for studying gene function at predetermined chromosomal sites. Here we describe the use of a blasticidin resistance system to select for recombination in mammalian cells using the yeast enzyme FLP. The vector is designed so that site-specific recombination reconstru...

journal_title：Molecular and cellular biology

authors： Aladjem MI,Brody LL,O'Gorman S,Wahl GM

更新日期：1997-02-01 00:00:00

abstract：:The human immunodeficiency virus type 1 (HIV-1) Tat protein activates transcription elongation by stimulating the Tat-activated kinase (TAK/p-TEFb), a protein kinase composed of CDK9 and its cyclin partner, cyclin T1. CDK9 is able to hyperphosphorylate the carboxyl-terminal domain (CTD) of the large subunit of RNA pol...

journal_title：Molecular and cellular biology

authors： Bourgeois CF,Kim YK,Churcher MJ,West MJ,Karn J

更新日期：2002-02-01 00:00:00

abstract：:In a previous paper, we have shown that in the absence of stress, mouse embryonal carcinoma cells, like mouse early embryo multipotent cells, synthesize high levels of 89- and 70-kilodalton heat shock proteins (HSP)(O. Bensaude and M. Morange, EMBO J. 2:173-177, 1983). We report here the pattern of proteins synthesize...

journal_title：Molecular and cellular biology

authors： Morange M,Diu A,Bensaude O,Babinet C

更新日期：1984-04-01 00:00:00

abstract：:In the cell cycle of the budding yeast Saccharomyces cerevisiae, expression of the histone genes H2A and H2B of the TRT1 and TRT2 loci is regulated by the performance of "start," the step that also regulates the cell cycle. Here we show that histone production is also subject to an additional form of regulation that i...

journal_title：Molecular and cellular biology

authors： Drebot MA,Veinot-Drebot LM,Singer RA,Johnston GC

更新日期：1990-12-01 00:00:00

abstract：:A transcriptional initiator (Inr) for mammalian RNA polymerase II can be defined as a DNA sequence element that overlaps a transcription start site and is sufficient for (i) determining the start site location in a promoter that lacks a TATA box and (ii) enhancing the strength of a promoter that contains a TATA box. W...

journal_title：Molecular and cellular biology

authors： Javahery R,Khachi A,Lo K,Zenzie-Gregory B,Smale ST

更新日期：1994-01-01 00:00:00

abstract：:Protein phosphatase 2A (PP2A) is a multimeric serine/threonine phosphatase that carries out multiple functions. Although numerous observations suggest that PP2A plays a major role in downregulation of the mitogen-activated protein (MAP) kinase pathway, the precise mechanisms are unknown. To clarify the role of PP2A in...

journal_title：Molecular and cellular biology

authors： Ugi S,Imamura T,Ricketts W,Olefsky JM

更新日期：2002-04-01 00:00:00

abstract：:The extracellular signal-regulated kinase 1 and 2 (ERK1/2) mitogen-activated protein (MAP) kinase signaling pathway plays an important role in the proliferative response of mammalian cells to mitogens. However, the individual contribution of the isoforms ERK1 and ERK2 to cell proliferation control is unclear. The two ...

journal_title：Molecular and cellular biology

authors： Voisin L,Saba-El-Leil MK,Julien C,Frémin C,Meloche S

更新日期：2010-06-01 00:00:00

abstract：:Quiescent mouse NIH 3T3 cells responded to microinjection of activated ras p21 with a rapid and sustained rise in intracellular pH (approximately 0.17 pH units). The p21-induced pH change was inhibited by amiloride treatment or growth of cells in medium low in sodium, suggesting a role for the Na+/H+ antiporter. Amilo...

journal_title：Molecular and cellular biology

authors： Hagag N,Lacal JC,Graber M,Aaronson S,Viola MV

更新日期：1987-05-01 00:00:00

abstract：:Sialic acid-binding immunoglobulin-like lectins (siglecs) are predominately expressed on immune cells. They are best known as regulators of cell signaling mediated by cytoplasmic tyrosine motifs and are increasingly recognized as receptors for pathogens that bear sialic acid-containing glycans. Most siglec proteins un...

journal_title：Molecular and cellular biology

authors： Tateno H,Li H,Schur MJ,Bovin N,Crocker PR,Wakarchuk WW,Paulson JC

更新日期：2007-08-01 00:00:00

abstract：:Bone-specific transcription of the osteocalcin (OC) gene is regulated principally by the Runx2 transcription factor and is further stimulated in response to 1alpha,25-dihydroxyvitamin D3 via its specific receptor (VDR). The rat OC gene promoter contains three recognition sites for Runx2 (sites A, B, and C). Mutation o...

journal_title：Molecular and cellular biology

authors： Paredes R,Arriagada G,Cruzat F,Villagra A,Olate J,Zaidi K,van Wijnen A,Lian JB,Stein GS,Stein JL,Montecino M

更新日期：2004-10-01 00:00:00

abstract：:We have previously shown by affinity chromatography that RAP30 and RAP74 are the mammalian proteins that have the highest affinity for RNA polymerase II. Here we show that RAP30 binds to RAP74 and that the RAP30-RAP74 complex (RAP30/74) is required for accurate initiation by RNA polymerase II. RAP30/74 is required for...

journal_title：Molecular and cellular biology

authors： Burton ZF,Killeen M,Sopta M,Ortolan LG,Greenblatt J

更新日期：1988-04-01 00:00:00

abstract：:Phosphatidylinositol (PI) 3-kinase plays an important role in various metabolic actions of insulin including glucose uptake and glycogen synthesis. Although PI 3-kinase primarily functions as a lipid kinase which preferentially phosphorylates the D-3 position of phospholipids, the effect of hydrolysis of the key PI 3-...

journal_title：Molecular and cellular biology

authors： Wada T,Sasaoka T,Funaki M,Hori H,Murakami S,Ishiki M,Haruta T,Asano T,Ogawa W,Ishihara H,Kobayashi M

更新日期：2001-03-01 00:00:00

abstract：:An ssu72 mutant of Saccharomyces cerevisiae was identified as an enhancer of a TFIIB defect (sua7-1) that confers both a cold-sensitive growth defect and a downstream shift in transcription start site selection. The ssu72-1 allele did not affect cold sensitivity but, in combination with sua7-1, created a heat-sensitiv...

journal_title：Molecular and cellular biology

authors： Sun ZW,Hampsey M

更新日期：1996-04-01 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：:The adapter protein SH2-B has been shown to bind to activated nerve growth factor (NGF) receptor TrkA and has been implicated in NGF-induced neuronal differentiation and the survival of sympathetic neurons. However, the mechanism by which SH2-B enhances and maintains neurite outgrowth is unclear. We examined the abili...

journal_title：Molecular and cellular biology

authors： Chen L,Carter-Su C

更新日期：2004-05-01 00:00:00

abstract：:RNA interference with one of the eight Caenorhabditis elegans linker histone genes triggers desilencing of a repetitive transgene and developmental defects in the hermaphrodite germ line. These characteristics are similar to the phenotype of the C. elegans Polycomb group genes mes-2, mes-3, mes-4, and mes-6 (M. A. Jed...

journal_title：Molecular and cellular biology

authors： Jedrusik MA,Schulze E

更新日期：2007-03-01 00:00:00

abstract：:To understand the mechanism of retinoid resistance, we studied the subcellular localization and function of retinoid receptors in human breast cancer cell lines. Retinoid X receptor alpha (RXR alpha) localized throughout the nucleoplasm in retinoid-sensitive normal human mammary epithelial cells and in retinoid-respon...

journal_title：Molecular and cellular biology

authors： Tanaka T,Dancheck BL,Trifiletti LC,Birnkrant RE,Taylor BJ,Garfield SH,Thorgeirsson U,De Luca LM

更新日期：2004-05-01 00:00:00

abstract：:The conserved RECQ5 DNA helicase is a tumor suppressor in mammalian cells. Defects in RECQ5 lead to the accumulation of spontaneous DNA double-stranded breaks (DSBs) during replication, despite the fact that these cells are proficient in DSB repair by homologous recombination (HR). The reason for this is unknown. Here...

journal_title：Molecular and cellular biology

authors： Li M,Xu X,Liu Y

更新日期：2011-05-01 00:00:00

abstract：:Phosphoinositide-specific phospholipase C (PLC) is a key enzyme in phosphoinositide turnover and is involved in a variety of physiological functions. We analyzed PLCdelta1 knockout mice and found that PLCdelta1 is required for the maintenance of skin homeostasis. However, there were no remarkable abnormalities except ...

journal_title：Molecular and cellular biology

authors： Nakamura Y,Hamada Y,Fujiwara T,Enomoto H,Hiroe T,Tanaka S,Nose M,Nakahara M,Yoshida N,Takenawa T,Fukami K

更新日期：2005-12-01 00:00:00

abstract：:The murine Igh locus has a 3' regulatory region (3' RR) containing four enhancers (hs3A, hs1,2, hs3B, and hs4) at DNase I-hypersensitive sites. The 3' RR exerts long-range effects on class switch recombination (CSR) to several isotypes through its control of germ line transcription. By measuring levels of acetylated h...

journal_title：Molecular and cellular biology

authors： Garrett FE,Emelyanov AV,Sepulveda MA,Flanagan P,Volpi S,Li F,Loukinov D,Eckhardt LA,Lobanenkov VV,Birshtein BK

更新日期：2005-02-01 00:00:00

abstract：:A sequence-specific DNA-binding protein from skeletal-muscle extracts that binds to probes of three muscle gene DNA elements is identified. This protein, referred to as muscle factor 3, forms the predominant nucleoprotein complex with the MCAT gene sequence motif in an electrophoretic mobility shift assay. This protei...

journal_title：Molecular and cellular biology

authors： Santoro IM,Yi TM,Walsh K

更新日期：1991-04-01 00:00:00