The oncogenic forms of N-ras or H-ras prevent skeletal myoblast differentiation.

abstract：:The RNA polymerase III transcription initiation factor TFIIIB contains the TATA-box-binding protein (TBP) and polymerase III-specific TBP-associated factors (TAFs). Previous studies have shown that DNA oligonucleotides containing the consensus TATA-box sequence inhibit polymerase III transcription, implying that the D...

journal_title：Molecular and cellular biology

authors： McBryant SJ,Meier E,Leresche A,Sharp SJ,Wolf VJ,Gottesfeld JM

更新日期：1996-09-01 00:00:00

abstract：:Combined deficiencies of poly(ADP)ribosyl polymerase 1 (PARP1) and ataxia telangiectasia mutated (ATM) result in synthetic lethality and, in the mouse, early embryonic death. Here, we investigated the genetic requirements for this lethality via analysis of mice deficient for PARP1 and either of two ATM-regulated DNA d...

journal_title：Molecular and cellular biology

authors： Orsburn B,Escudero B,Prakash M,Gesheva S,Liu G,Huso DL,Franco S

更新日期：2010-05-01 00:00:00

abstract：:The human tumor necrosis factor alpha (TNF-alpha) gene is rapidly activated in response to multiple signals of stress and inflammation. We have identified transcription factors present in the TNF-alpha enhancer complex in vivo following ionophore stimulation (ATF-2/Jun and NFAT) and virus infection (ATF-2/Jun, NFAT, a...

journal_title：Molecular and cellular biology

authors： Falvo JV,Uglialoro AM,Brinkman BM,Merika M,Parekh BS,Tsai EY,King HC,Morielli AD,Peralta EG,Maniatis T,Thanos D,Goldfeld AE

更新日期：2000-03-01 00:00:00

abstract：:The distal region (-830 to -720 bp) of the rat whey acidic protein (WAP) gene contains a composite response element (CoRE), which has been demonstrated previously to confer mammary gland-specific and hormonally regulated WAP gene expression. Point mutations in the binding sites for specific transcription factors prese...

journal_title：Molecular and cellular biology

authors： Mukhopadhyay SS,Wyszomierski SL,Gronostajski RM,Rosen JM

更新日期：2001-10-01 00:00:00

abstract：:Glucose-6-phosphate dehydrogenase (G6PD) produces cellular NADPH, which is required for the biosynthesis of fatty acids and cholesterol. Although G6PD is required for lipogenesis, it is poorly understood whether G6PD in adipocytes is involved in energy homeostasis, such as lipid and glucose metabolism. We report here ...

journal_title：Molecular and cellular biology

authors： Park J,Rho HK,Kim KH,Choe SS,Lee YS,Kim JB

更新日期：2005-06-01 00:00:00

abstract：:We have studied the patterns of expression of four B-type cyclins (Clbs), Clb1, Clb2, Clb3, and Clb4, and their ability to activate p34cdc28 during the mitotic and meiotic cell cycles of Saccharomyces cerevisiae. During the mitotic cell cycle, Clb3 and Clb4 were expressed and induced a kinase activity in association w...

journal_title：Molecular and cellular biology

authors： Grandin N,Reed SI

更新日期：1993-04-01 00:00:00

abstract：:The Csk tyrosine kinase negatively regulates the Src family kinases Lck and Fyn in T cells. Engagement of the T-cell antigen receptor results in a removal of Csk from the lipid raft-associated transmembrane protein PAG/Cbp. Instead, Csk becomes associated with an approximately 72-kDa tyrosine-phosphorylated protein, w...

journal_title：Molecular and cellular biology

authors： Rahmouni S,Vang T,Alonso A,Williams S,van Stipdonk M,Soncini C,Moutschen M,Schoenberger SP,Mustelin T

更新日期：2005-03-01 00:00:00

abstract：:The inhibition of receptor binding of [3H]phorbol-12,13-dibutyrate (PDBu) by a factor from human serum was characterized. The serum factor inhibited [3H]PDBu binding in intact monolayer cultures of the rat embryo cell line CREF N and in a subcellular system containing membranes from these cells. Inhibition occurred at...

journal_title：Molecular and cellular biology

authors： Horowitz AD,Greenebaum E,Nicolaides M,Woodward K,Weinstein IB

更新日期：1982-05-01 00:00:00

abstract：:A mutant has been isolated from the J558 (immunoglobulin A, lambda, anti-alpha 1 leads to 3 dextran) cell line which synthesizes a heavy-chain immunoglobulin twice the size of normal heavy chain. Secondary variants that synthesized heavy chains either 1.5 times as large as wild type or the same size as wild type were ...

journal_title：Molecular and cellular biology

authors： Matsuuchi L,Morrison SL

更新日期：1982-09-01 00:00:00

abstract：:Okadaic acid-sensitive serine/threonine phosphatases have been shown to regulate interleukin-2 transcription and T-cell activation. Okadaic acid inhibits protein phosphatase 4 (PP4), a novel PP2A-related serine/threonine phosphatase, at a 50% inhibitory concentration (IC(50)) comparable to that for PP2A. This raises t...

journal_title：Molecular and cellular biology

authors： Shui JW,Hu MC,Tan TH

更新日期：2007-01-01 00:00:00

abstract：:By using a retrovirus-derived vector system, we generated derivatives of the human colon cancer cell line HT29 that stably overexpress a full-length cDNA encoding the beta 1 isoform of rat protein kinase C (PKC). Two of these cell lines, PKC6 and PKC7, displayed an 11- to 15-fold increase in PKC activity when compared...

journal_title：Molecular and cellular biology

authors： Choi PM,Tchou-Wong KM,Weinstein IB

更新日期：1990-09-01 00:00:00

abstract：:Mammalian Ras GTPase-activating protein (GAP), p120 Ras-GAP, has been implicated as both a downregulator and effector of Ras proteins, but its precise role in Ras-mediated signal transduction pathways is unclear. To begin a genetic analysis of the role of p120 Ras-GAP we identified a homolog from the fruit fly Drosoph...

journal_title：Molecular and cellular biology

authors： Feldmann P,Eicher EN,Leevers SJ,Hafen E,Hughes DA

更新日期：1999-03-01 00:00:00

abstract：:Sophisticated models for the regulation of mitotic entry are lacking for human cells. Inactivating human cyclin A/Cdk2 complexes through diverse approaches delays mitotic entry and promotes inhibitory phosphorylation of Cdk1 on tyrosine 15, a modification performed by Wee1. We show here that cyclin A/Cdk2 complexes ph...

journal_title：Molecular and cellular biology

authors： Li C,Andrake M,Dunbrack R,Enders GH

更新日期：2010-01-01 00:00:00

abstract：:Protein sumoylation plays an important but poorly understood role in controlling genome integrity. In Saccharomyces cerevisiae, the Slx5-Slx8 SUMO-targeted Ub ligase appears to be needed to ubiquitinate sumoylated proteins that arise in the absence of the Sgs1 DNA helicase. WSS1, a high-copy-number suppressor of a mut...

journal_title：Molecular and cellular biology

authors： Mullen JR,Chen CF,Brill SJ

更新日期：2010-08-01 00:00:00

abstract：:Nucleokinesis has recently been suggested as a critical regulator of neuronal migration. Here we show that Disabled 1 (Dab1), which is required for neuronal positioning in mammals, regulates the nuclear position of postmitotic neurons in a phosphorylation-site dependent manner. Dab1 expression in the Drosophila visual...

journal_title：Molecular and cellular biology

authors： Pramatarova A,Ochalski PG,Lee CH,Howell BW

更新日期：2006-02-01 00:00:00

abstract：:The RPC31 gene encoding the C31 subunit of Saccharomyces cerevisiae RNA polymerase C (III) has been isolated, starting from a C-terminal fragment cloned on a lambda gt11 library. It is unique on the yeast genome and lies on the left arm of chromosome XIV, very close to a NotI site. Its coding sequence perfectly matche...

journal_title：Molecular and cellular biology

authors： Mosrin C,Riva M,Beltrame M,Cassar E,Sentenac A,Thuriaux P

更新日期：1990-09-01 00:00:00

abstract：:GIPC is a PDZ protein located on peripheral endosomes that binds to the juxtamembrane region of the TrkA nerve growth factor (NGF) receptor and has been implicated in NGF signaling. We establish here that endogenous GIPC binds to the C terminus of APPL, a Rab5 binding protein, which is a marker for signaling endosomes...

journal_title：Molecular and cellular biology

authors： Varsano T,Dong MQ,Niesman I,Gacula H,Lou X,Ma T,Testa JR,Yates JR 3rd,Farquhar MG

更新日期：2006-12-01 00:00:00

abstract：:The Epstein-Barr virus BRLF1 and BZLF1 genes are the first viral genes transcribed upon induction of the viral lytic cycle. The protein products of both genes (referred to here as Rta and Zta, respectively) activate expression of other viral genes, thereby initiating the lytic cascade. Among the viral antigens express...

journal_title：Molecular and cellular biology

authors： Flemington EK,Lytle JP,Cayrol C,Borras AM,Speck SH

更新日期：1994-05-01 00:00:00

abstract：:RSC is an essential chromatin remodeling complex in Saccharomyces cerevisiae that performs central roles in transcriptional regulation and cell cycle progression. Here we identify Htl1 as a novel factor that associates with the RSC complex both physically and functionally. We isolated HTL1 through a genetic screen for...

journal_title：Molecular and cellular biology

authors： Romeo MJ,Angus-Hill ML,Sobering AK,Kamada Y,Cairns BR,Levin DE

更新日期：2002-12-01 00:00:00

abstract：:Here, we demonstrate that elevation of intracellular cyclic AMP (cAMP) in vascular endothelial cells (ECs) by either a direct activator of adenylyl cyclase or endogenous cAMP-mobilizing G protein-coupled receptors inhibited the tyrosine phosphorylation of STAT proteins by an interleukin 6 (IL-6) receptor trans-signali...

journal_title：Molecular and cellular biology

authors： Sands WA,Woolson HD,Milne GR,Rutherford C,Palmer TM

更新日期：2006-09-01 00:00:00

abstract：:We examined the relationship between pre-mRNA splicing and the nuclear matrix by using an in vivo system that we have developed. Plasmids containing the inducible herpesvirus tk gene promoter linked to an intron-containing segment of the rabbit beta-globin gene were transfected into HeLa cells, and then the promoter w...

journal_title：Molecular and cellular biology

authors： Zeitlin S,Parent A,Silverstein S,Efstratiadis A

更新日期：1987-01-01 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：:Illegitimate recombination events in mammalian cells often contain extraneous nucleotides or filler DNA at the recombinant joins. The polyomavirus-transformed cell line 7axB has previously been found to contain 37 base pairs (bp) of filler DNA at one virus-host join of the single insert of integrated viral DNA (A. Hay...

journal_title：Molecular and cellular biology

authors： Williams TJ,Fried M

更新日期：1986-06-01 00:00:00

abstract：:After flagellar detachment in Chlamydomonas reinhardi, there is a rapid synthesis and accumulation of mRNAs for tubulin and other flagellar proteins. Maximum levels of these mRNAs (flagellar RNAs) are reached within 1 h after deflagellation, after which they are rapidly degraded to their predeflagellation levels. The ...

journal_title：Molecular and cellular biology

authors： Baker EJ,Keller LR,Schloss JA,Rosenbaum JL

更新日期：1986-01-01 00:00:00

abstract：:Integrin-mediated interactions of cells with components of the extracellular matrix regulate cell survival, cell proliferation, cell differentiation, and cell migration. Some of these physiological responses are regulated via activation of transcription factors such as activator protein 1 (AP-1). Integrin-linked kinas...

journal_title：Molecular and cellular biology

authors： Troussard AA,Tan C,Yoganathan TN,Dedhar S

更新日期：1999-11-01 00:00:00

abstract：:Appropriate cell cycle checkpoint control is essential for the maintenance of cell and organismal homeostasis. Members of the Nek (NIMA-related kinase) family of serine/threonine protein kinases have been implicated in the regulation of various aspects of the cell cycle. We explored the cellular functions of Nek10, a ...

journal_title：Molecular and cellular biology

authors： Moniz LS,Stambolic V

更新日期：2011-01-01 00:00:00

abstract：:In the yeast Saccharomyces cerevisiae, sporulation occurs in response to nutritional and genetic signals. The process is initiated when nutrient availability limits mitotic growth, but only in MATa/MAT alpha diploid cells. Under these conditions, the cells express an activator of meiosis (IME1), which is required for ...

journal_title：Molecular and cellular biology

authors： Shah JC,Clancy MJ

更新日期：1992-03-01 00:00:00

abstract：:Thyroid hormone (T(3)) activates nuclear receptor transcription factors, encoded by the TRalpha (NR1A1) and TRbeta (NR1A2) genes, to regulate target gene expression. Several TR isoforms exist, and studies of null mice have identified some unique functions for individual TR variants, although considerable redundancy oc...

journal_title：Molecular and cellular biology

authors： Williams GR

更新日期：2000-11-01 00:00:00

abstract：:TRAIL is an endogenous death receptor ligand also used therapeutically because of its selective proapoptotic activity in cancer cells. In the present study, we examined chromatin alterations induced by TRAIL and show that TRAIL induces a rapid activation of DNA damage response (DDR) pathways with histone H2AX, Chk2, A...

journal_title：Molecular and cellular biology

authors： Solier S,Sordet O,Kohn KW,Pommier Y

更新日期：2009-01-01 00:00:00

abstract：:Intracellular degradation of vertebrate ornithine decarboxylase (ODC) is accelerated by polyamines, the products of the pathway controlled by ODC. Antizyme, a reversible, tightly binding protein inhibitor of ODC activity, is believed to be involved in this process. Mouse and Trypanosoma brucei ODCs are structurally si...

journal_title：Molecular and cellular biology

authors： Li X,Coffino P

更新日期：1992-08-01 00:00:00