Functional cooperation between the proteins Nck and ADAP is fundamental for actin reorganization.

abstract：:Current amino acid and monosaccharide transport models are based on an assumption which equates the intracellular chemical activity of a solute with its concentration. This assumption was tested for alpha-aminoisobutyric acid and 3-O-methylglucose in a giant cell, the amphibian oocyte, by using recently developed cryo...

journal_title：Molecular and cellular biology

authors： Horowitz SB,Pearson TW

更新日期：1981-09-01 00:00:00

abstract：:The transcriptional coactivators p300 and CREB binding protein (CBP) are important regulators of the cell cycle, differentiation, and tumorigenesis. Both p300 and CBP are targeted by viral oncoproteins, are mutated in certain forms of cancer, are phosphorylated in a cell cycle-dependent manner, interact with transcrip...

journal_title：Molecular and cellular biology

authors： Snowden AW,Anderson LA,Webster GA,Perkins ND

更新日期：2000-04-01 00:00:00

abstract：:Numerous studies indirectly implicate Rac GTPases in cancer. To investigate if Rac3 contributes to normal or malignant cell function, we generated rac3 null mutants through gene targeting. These mice were viable, fertile, and lacked an obvious external phenotype. This shows Rac3 function is dispensable for embryonic d...

journal_title：Molecular and cellular biology

authors： Cho YJ,Zhang B,Kaartinen V,Haataja L,de Curtis I,Groffen J,Heisterkamp N

更新日期：2005-07-01 00:00:00

abstract：:2-Aminopurine (2-AP) inhibits specific kinases that phosphorylate the alpha subunit of eukaryotic translation initiation factor 2. One of these, PKR, is also involved in signal transduction. We show here that 2-AP selectively inhibits expression of tumor necrosis factor alpha (TNF-alpha) mRNA in primary human lymphoid...

journal_title：Molecular and cellular biology

authors： Jarrous N,Osman F,Kaempfer R

更新日期：1996-06-01 00:00:00

abstract：:Stp1p and Stp2p are homologous and redundant transcription factors that are synthesized as latent cytoplasmic proteins with N-terminal regulatory domains. In response to extracellular amino acids, the plasma membrane-localized Ssy1p-Ptr3p-Ssy5p (SPS) sensor induces an endoproteolytic processing event that cleaves away...

journal_title：Molecular and cellular biology

authors： Andréasson C,Ljungdahl PO

更新日期：2004-09-01 00:00:00

abstract：:PEX genes encode peroxins, which are required for the biogenesis of peroxisomes. The Yarrowia lipolytica PEX17 gene encodes the peroxin Pex17p, which is 671 amino acids in length and has a predicted molecular mass of 75,588 Da. Pex17p is peripherally associated with the peroxisomal membrane. The carboxyl-terminal trip...

journal_title：Molecular and cellular biology

authors： Smith JJ,Szilard RK,Marelli M,Rachubinski RA

更新日期：1997-05-01 00:00:00

abstract：:The "pocket" proteins pRb, p107, and p130 are a family of negative growth regulators. Previous studies have demonstrated that overexpression of pRb can repress transcription by RNA polymerase (Pol) I. To assess whether pRb performs this role under physiological conditions, we have examined pre-rRNA levels in cells fro...

journal_title：Molecular and cellular biology

authors： Ciarmatori S,Scott PH,Sutcliffe JE,McLees A,Alzuherri HM,Dannenberg JH,te Riele H,Grummt I,Voit R,White RJ

更新日期：2001-09-01 00:00:00

abstract：:Formin homology (FH) proteins are implicated in cell polarization and cytokinesis through actin organization. There are two FH proteins in the yeast Saccharomyces cerevisiae, Bni1p and Bnr1p. Bni1p physically interacts with Rho family small G proteins (Rho1p and Cdc42p), actin, two actin-binding proteins (profilin and...

journal_title：Molecular and cellular biology

authors： Ozaki-Kuroda K,Yamamoto Y,Nohara H,Kinoshita M,Fujiwara T,Irie K,Takai Y

更新日期：2001-02-01 00:00:00

abstract：:The 3' noncoding region element (AUUUA)n specifically targets many short-lived mRNAs for degradation. Although the mechanism by which this sequence functions is not yet understood, a potential link between facilitated mRNA turnover and translation has been implied by the stabilization of cellular mRNAs in the presence...

journal_title：Molecular and cellular biology

authors： Aharon T,Schneider RJ

更新日期：1993-03-01 00:00:00

abstract：:In the "canonical" view of transforming growth factor beta (TGF-beta) signaling, Smad7 plays an inhibitory role. While Smad7 represses Smad3 activation by TGF-beta, it does not reverse the inhibitory effect of TGF-beta on myogenesis, suggesting a different function in myogenic cells. We previously reported a promyogen...

journal_title：Molecular and cellular biology

authors： Miyake T,Alli NS,McDermott JC

更新日期：2010-02-01 00:00:00

abstract：:The intracellular signaling mechanisms underlying the pathogenesis of cardiac diseases are not fully understood. We report here that selective deletion of Shp2, an SH2-containing cytoplasmic tyrosine phosphatase, in striated muscle results in severe dilated cardiomyopathy in mice, leading to heart failure and prematur...

journal_title：Molecular and cellular biology

authors： Princen F,Bard E,Sheikh F,Zhang SS,Wang J,Zago WM,Wu D,Trelles RD,Bailly-Maitre B,Kahn CR,Chen Y,Reed JC,Tong GG,Mercola M,Chen J,Feng GS

更新日期：2009-01-01 00:00:00

abstract：:The promoter region of the human parathyroid hormone gene was fused to the Escherichia coli neo gene and introduced into GH4C1 rat pituitary and human HeLa cells. Both TATA boxes of the human parathyroid hormone gene accurately directed transcription in GH4C1 cells; the parathyroid hormone promoter was inactive in HeL...

journal_title：Molecular and cellular biology

authors： Igarashi T,Okazaki T,Potter H,Gaz R,Kronenberg HM

更新日期：1986-05-01 00:00:00

abstract：:Endonuclease G (endo G) is one of the most abundant nucleases in eukaryotic cells. It is encoded in the nucleus and imported to the mitochondrial intermembrane space. This nuclease is active on single- and double-stranded DNA. We genetically disrupted the endo G gene in mice without disturbing a conserved, overlapping...

journal_title：Molecular and cellular biology

authors： Irvine RA,Adachi N,Shibata DK,Cassell GD,Yu K,Karanjawala ZE,Hsieh CL,Lieber MR

更新日期：2005-01-01 00:00:00

abstract：:Saccharomyces mating-type switching occurs through a double-strand break-initiated gene conversion event at MAT, using one of two donors located distantly on the same chromosome, HMLalpha and HMRa. MATa cells preferentially choose HMLalpha, a decision that depends on the recombination enhancer (RE) that controls recom...

journal_title：Molecular and cellular biology

authors： Coïc E,Sun K,Wu C,Haber JE

更新日期：2006-07-01 00:00:00

abstract：:The nuclear receptor peroxisome proliferator-activated receptor gamma regulates adipose differentiation and systemic insulin signaling via ligand-dependent transcriptional activation of target genes. However, the identities of the biologically relevant target genes are largely unknown. Here we describe the isolation a...

journal_title：Molecular and cellular biology

authors： Yoon JC,Chickering TW,Rosen ED,Dussault B,Qin Y,Soukas A,Friedman JM,Holmes WE,Spiegelman BM

更新日期：2000-07-01 00:00:00

abstract：:The SLP-76 family of immune cell-specific adaptors is composed of three distinct members named SLP-76, Blnk, and Clnk. They have been implicated in the signaling pathways coupled to immunoreceptors such as the antigen receptors and Fc receptors. Previous studies using gene-targeted mice and deficient cell lines showed...

journal_title：Molecular and cellular biology

authors： Utting O,Sedgmen BJ,Watts TH,Shi X,Rottapel R,Iulianella A,Lohnes D,Veillette A

更新日期：2004-07-01 00:00:00

abstract：:DNA sequencing and blot hybridization analyses have been used to study the structure of a mouse VL30 gene and the molecular nature of VL30-related RNA which is induced upon the stimulation of cultured AKR mouse embryo cells with defined peptide growth factors. An integrated mouse VL30 gene was found to contain identic...

journal_title：Molecular and cellular biology

authors： Hodgson CP,Elder PK,Ono T,Foster DN,Getz MJ

更新日期：1983-12-01 00:00:00

abstract：:To identify novel genes that play critical roles in mediating bone morphogenetic protein (BMP) signal pathways, we performed a yeast two-hybrid screen using Smad1 as bait. A novel mouse Krüppel-type zinc finger protein, mZnf8, was isolated. Interactions between mZnf8 and Smad proteins were further analyzed with variou...

journal_title：Molecular and cellular biology

authors： Jiao K,Zhou Y,Hogan BL

更新日期：2002-11-01 00:00:00

abstract：:The pancreatic-islet-enriched transcription factors MafA and MafB have unique expression patterns in β cells in rodents. MafA is specifically expressed in β cells and is a key regulatory factor for maintaining adult β-cell function, whereas MafB plays an essential role in β-cell development during embryogenesis, and i...

journal_title：Molecular and cellular biology

authors： Xiafukaiti G,Maimaiti S,Ogata K,Kuno A,Kudo T,Shawki HH,Oishi H,Takahashi S

更新日期：2019-08-12 00:00:00

abstract：:Poly(A) signals located at the 3' end of eukaryotic genes drive cleavage and polyadenylation at the same end of pre-mRNA. Although these sequences are expected only at the 3' end of genes, we found that strong poly(A) signals are also predicted within the 5' untranslated regions (UTRs) of many Drosophila melanogaster ...

journal_title：Molecular and cellular biology

authors： Guo J,Garrett M,Micklem G,Brogna S

更新日期：2011-02-01 00:00:00

abstract：:The human vitamin D-binding protein (hDBP) gene exists in a cluster of four liver-expressed genes. A minimal hDBP transgene, containing a defined set of liver-specific DNase I hypersensitive sites (HSs), is robustly expressed in mouse liver in a copy-number-dependent manner. Here we evaluate these HSs for function. De...

journal_title：Molecular and cellular biology

authors： Hiroki T,Liebhaber SA,Cooke NE

更新日期：2007-11-01 00:00:00

abstract：:Several eukaryotic transcription factors such as Sp1 or Oct1 contain glutamine-rich domains that mediate transcriptional activation. In human cells, promoter-proximally bound glutamine-rich activation domains activate transcription poorly in the absence of acidic type activators bound at distal enhancers, but synergis...

journal_title：Molecular and cellular biology

authors： Escher D,Bodmer-Glavas M,Barberis A,Schaffner W

更新日期：2000-04-01 00:00:00

abstract：:During the functional analysis of open reading frames (ORFs) identified during the sequencing of chromosome III of Saccharomyces cerevisiae, the previously uncharacterized ORF YCL031C (now designated RRP7) was deleted. RRP7 is essential for cell viability, and a conditional null allele was therefore constructed, by pl...

journal_title：Molecular and cellular biology

authors： Baudin-Baillieu A,Tollervey D,Cullin C,Lacroute F

更新日期：1997-09-01 00:00:00

abstract：:We report that the genes for the homologous Saccharomyces cerevisiae RAD10 and human ERCC-1 DNA excision repair proteins harbor overlapping antisense transcription units in their 3' regions. Since naturally occurring antisense transcription is rare in S. cerevisiae and humans (this is the first example in human cells)...

journal_title：Molecular and cellular biology

authors： van Duin M,van Den Tol J,Hoeijmakers JH,Bootsma D,Rupp IP,Reynolds P,Prakash L,Prakash S

更新日期：1989-04-01 00:00:00

abstract：:Mrc1 is a conserved checkpoint mediator protein that transduces the replication stress signal to the downstream effector kinase. The loss of mrc1 checkpoint activity results in the aberrant activation of late/dormant origins in the presence of hydroxyurea. Mrc1 was also suggested to regulate orders of early origin fir...

journal_title：Molecular and cellular biology

authors： Matsumoto S,Kanoh Y,Shimmoto M,Hayano M,Ueda K,Fukatsu R,Kakusho N,Masai H

更新日期：2017-03-17 00:00:00

abstract：:Three classes of E3 ubiquitin ligases, members of the Cbl, Hakai, and SOCS-Cul5-RING ligase families, stimulate the ubiquitination of phosphotyrosine-containing proteins, including receptor and nonreceptor tyrosine kinases and their phosphorylated substrates. Because ubiquitination frequently routes proteins for degra...

journal_title：Molecular and cellular biology

authors： Cooper JA,Kaneko T,Li SS

更新日期：2015-06-01 00:00:00

abstract：:The putative promoter of the variant surface glycoprotein (VSG) gene of Trypanosoma brucei was cloned into a plasmid containing the chloramphenicol acetyltransferase (CAT) gene. After electroporation into trypanosomes, this construct directed the expression of the CAT reporter gene. The essential region for promoter a...

journal_title：Molecular and cellular biology

authors： Jefferies D,Tebabi P,Pays E

更新日期：1991-01-01 00:00:00

abstract：:Ret/ptc2 is a constitutively active, oncogenic form of the c-Ret receptor tyrosine kinase. Like the other papillary thyroid carcinoma forms of Ret, Ret/ptc2 is activated through fusion of the Ret tyrosine kinase domain to the dimerization domain of another protein. Investigation of requirements for Ret/ptc2 mitogenic ...

journal_title：Molecular and cellular biology

authors： Durick K,Gill GN,Taylor SS

更新日期：1998-04-01 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：:Keratins K5 and K14 form the extensive intermediate filament network of mitotically active basal cells in all stratified epithelia. We have explored the regulatory mechanisms governing cell-type-specific and differentiation stage-specific expression of the human K5 gene in transiently transfected keratinocytes in vitr...

journal_title：Molecular and cellular biology

authors： Byrne C,Fuchs E

更新日期：1993-06-01 00:00:00