Sequences containing the second-intron enhancer are essential for transcription of the human apolipoprotein B gene in the livers of transgenic mice.

abstract：:The sodium/iodide symporter (NIS) is a plasma membrane protein that mediates active iodide transport in thyroid and mammary cells. It is a prerequisite for radioiodide treatment of thyroid cancer and a promising diagnostic and therapeutic tool for breast cancer. We investigated the molecular mechanisms governing NIS e...

journal_title：Molecular and cellular biology

authors： Dentice M,Luongo C,Elefante A,Romino R,Ambrosio R,Vitale M,Rossi G,Fenzi G,Salvatore D

更新日期：2004-09-01 00:00:00

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 Wnt-1 proto-oncogene is essential for proper development of the midbrain and is expressed in a spatially and temporally restricted manner during central nervous system development in mice. In vitro, the gene is specifically transcribed during the retinoic acid (RA)-induced neuroectodermal differentiation of the P1...

journal_title：Molecular and cellular biology

authors： St-Arnaud R,Moir JM

更新日期：1993-03-01 00:00:00

abstract：:The HMG box containing protein UBF binds to the promoter of vertebrate ribosomal repeats and is required for their transcription by RNA polymerase I in vitro. UBF can also bind in vitro to a variety of sequences found across the intergenic spacer in Xenopus and mammalian ribosomal DNA (rDNA) repeats. The high abundanc...

journal_title：Molecular and cellular biology

authors： O'Sullivan AC,Sullivan GJ,McStay B

更新日期：2002-01-01 00:00:00

abstract：:Two adjacent fragments of genomic DNA spanning the gene for CAD, which encodes the first three enzymes of UMP biosynthesis, were cloned from a mutant Syrian hamster cell line containing multiple copies of this gene. The mutant was selected for resistance to N-(phosphonacetyl)-L-aspartate, a potent and specific inhibit...

journal_title：Molecular and cellular biology

authors： Padgett RA,Wahl GM,Stark GR

更新日期：1982-03-01 00:00:00

abstract：:Several factors that mediate activation by nuclear receptors also modify the chemical and structural composition of chromatin. Prominent in this diverse group is the steroid receptor coactivator 1 (SRC-1) family, which interact with agonist-bound nuclear receptors, thereby coupling them to multifunctional transcriptio...

journal_title：Molecular and cellular biology

authors： DiRenzo J,Shang Y,Phelan M,Sif S,Myers M,Kingston R,Brown M

更新日期：2000-10-01 00:00:00

abstract：:Hydroxyurea (HU) is a DNA replication inhibitor that negatively affects both the elongation and initiation phases of replication and triggers the "intra-S phase checkpoint." Previous work with budding yeast has shown that, during a short exposure to HU, MEC1/RAD53 prevent initiation at some late S phase origins. In th...

journal_title：Molecular and cellular biology

authors： Alvino GM,Collingwood D,Murphy JM,Delrow J,Brewer BJ,Raghuraman MK

更新日期：2007-09-01 00:00:00

abstract：:We have cloned CDC9, the structural gene for Saccharomyces cerevisiae DNA ligase, and investigated its transcriptional regulation both as a function of cell cycle stage and after UV irradiation. The steady-state level of DNA ligase mRNA increases at least fourfold in late G1, after the completion of start but before S...

journal_title：Molecular and cellular biology

authors： Peterson TA,Prakash L,Prakash S,Osley MA,Reed SI

更新日期：1985-01-01 00:00:00

abstract：:p105 (NFKB1) acts in a dual way as a cytoplasmic IkappaB molecule and as the source of the NF-kappaB p50 subunit upon processing. p105 can form various heterodimers with other NF-kappaB subunits, including its own processing product, p50, and these complexes are signal responsive. Signaling through the IkappaB kinase ...

journal_title：Molecular and cellular biology

authors： Heissmeyer V,Krappmann D,Hatada EN,Scheidereit C

更新日期：2001-02-01 00:00:00

abstract：:The product of the putative proto-oncogene bcl-3 is an I kappa B-like molecule with novel binding properties specific for a subset of the rel family of transcriptional regulators. In vitro, Bcl-3 protein specifically inhibited the DNA binding of both the homodimeric NF-kappa B p50 subunit and a closely related homolog...

journal_title：Molecular and cellular biology

authors： Nolan GP,Fujita T,Bhatia K,Huppi C,Liou HC,Scott ML,Baltimore D

更新日期：1993-06-01 00:00:00

abstract：:Integrin signaling plays critical roles in cell adhesion, spreading, and migration, and it is generally accepted that to regulate these integrin functions accurately, localized actin remodeling is required. However, the molecular mechanisms that control the targeting of actin regulation molecules to the proper sites a...

journal_title：Molecular and cellular biology

authors： Chae YC,Kim KL,Ha SH,Kim J,Suh PG,Ryu SH

更新日期：2010-11-01 00:00:00

abstract：:Woodchucks infected with woodchuck hepatitis virus (WHV) and ground squirrels infected with ground squirrel hepatitis virus (GSHV) both develop hepatocellular carcinoma (HCC), but WHV-associated tumors arise more frequently and much earlier in life. These differences are preserved when the oncogenic potentials of the ...

journal_title：Molecular and cellular biology

authors： Hansen LJ,Tennant BC,Seeger C,Ganem D

更新日期：1993-01-01 00:00:00

abstract：:Nonsense-mediated RNA decay (NMD) is an mRNA surveillance mechanism which rapidly degrades select cytoplasmic mRNAs. We and others have shown that NMD is a dynamically regulated process inhibited by amino acid deprivation, hypoxia, and other cellular stresses commonly generated by the tumor microenvironment. This inhi...

journal_title：Molecular and cellular biology

authors： Wengrod J,Martin L,Wang D,Frischmeyer-Guerrerio P,Dietz HC,Gardner LB

更新日期：2013-06-01 00:00:00

abstract：:Ribosome biogenesis is a highly regulated process ensuring that cell growth (increase in biomass) is coordinated with cell proliferation. The formation of eukaryotic ribosomes is a multistep process initiated by the transcription and processing of rRNA in the nucleolus. Concomitant with this, several preribosomal part...

journal_title：Molecular and cellular biology

authors： Castle CD,Cassimere EK,Lee J,Denicourt C

更新日期：2010-09-01 00:00:00

abstract：:The Ras pathway transduces divergent signals determining normal cell fate and is frequently activated in hematopoietic malignancies, but the manner in which activation contributes to human leukemia is poorly understood. We report that a high level of activated H-Ras signaling in transduced primary human hematopoietic ...

journal_title：Molecular and cellular biology

authors： Dorrell C,Takenaka K,Minden MD,Hawley RG,Dick JE

更新日期：2004-08-01 00:00:00

abstract：:Translation initiation in eukaryotic cells is known to be a complex multistep process which involves numerous protein factors. Here we demonstrate that leaderless mRNAs with initiator Met-tRNA can bind directly to 80S mammalian ribosomes in the absence of initiation factors and that the complexes thus formed are fully...

journal_title：Molecular and cellular biology

authors： Andreev DE,Terenin IM,Dunaevsky YE,Dmitriev SE,Shatsky IN

更新日期：2006-04-01 00:00:00

abstract：:We have identified multiple distinct splicing enhancer elements within protein-coding sequences of the constitutively spliced human beta-globin pre-mRNA. Each of these highly conserved sequences is sufficient to activate the splicing of a heterologous enhancer-dependent pre-mRNA. One of these enhancers is activated by...

journal_title：Molecular and cellular biology

authors： Schaal TD,Maniatis T

更新日期：1999-01-01 00:00:00

abstract：:Nuclear receptor corepressors (N-CoR) and silencing mediator for retinoid and thyroid receptors (SMRT) have both been implicated in thyroid hormone receptor (TR)-mediated repression. Here we show that endogenous N-CoR, TBL1, and histone deacetylase 3 (HDAC3), but not HDAC1, -2, or -4, are recruited to a stably integra...

journal_title：Molecular and cellular biology

authors： Ishizuka T,Lazar MA

更新日期：2003-08-01 00:00:00

abstract：:Only a fraction of retroviral primary transcripts are spliced to subgenomic mRNAs; the unspliced transcripts are transported to the cytoplasm for packaging into virions and for translation of the gag and pol genes. We identified cis-acting sequences within the gag gene of Rous sarcoma virus (RSV) which negatively regu...

journal_title：Molecular and cellular biology

authors： Arrigo S,Beemon K

更新日期：1988-11-01 00:00:00

abstract：:Leukemia results from the expansion of self-renewing hematopoietic cells that are thought to contain mutations that contribute to disease initiation and progression. Studies of the gene expression profiles of human acute myeloid leukemia samples has allowed their classification based on the presence of translocations ...

journal_title：Molecular and cellular biology

authors： Walter MJ,Park JS,Lau SK,Li X,Lane AA,Nagarajan R,Shannon WD,Ley TJ

更新日期：2004-12-01 00:00:00

abstract：:The DNA-binding hemopoietic zinc finger transcription factor GATA1 promotes terminal megakaryocyte differentiation and restrains abnormal immature megakaryocyte expansion. How GATA1 coordinates these fundamental processes is unclear. Previous studies of synthetic and naturally occurring mutant GATA1 molecules demonstr...

journal_title：Molecular and cellular biology

authors： Kuhl C,Atzberger A,Iborra F,Nieswandt B,Porcher C,Vyas P

更新日期：2005-10-01 00:00:00

abstract：:Extinction of phosphoenolpyruvate carboxykinase (PCK) gene expression in hepatoma x fibroblast hybrids is mediated by a trans-acting genetic locus designated tissue-specific extinguisher 1 (TSE1). To identify PCK gene sequences required for extinction, hepatoma transfectants expressing PCK-thymidine kinase (TK) chimer...

journal_title：Molecular and cellular biology

authors： Thayer MJ,Lugo TG,Leach RJ,Fournier RE

更新日期：1990-06-01 00:00:00

abstract：:The niaD and niiA genes of Aspergillus nidulans, which code, respectively, for nitrate and nitrite reductases, are divergently transcribed, and their ATGs are separated by 1,200 bp. The genes are under the control of the positively acting NirA transcription factor, which mediates nitrate induction. The DNA binding dom...

journal_title：Molecular and cellular biology

authors： Punt PJ,Strauss J,Smit R,Kinghorn JR,van den Hondel CA,Scazzocchio C

更新日期：1995-10-01 00:00:00

abstract：:It is thought that degradation of nuclear proteins by the ubiquitylation system requires nuclear-cytoplasmic trafficking of E3 ubiquitin ligases. The von Hippel-Lindau (VHL) tumor suppressor protein is the substrate recognition component of a Cullin-2-containing E3 ubiquitin ligase that recruits hypoxia-inducible fact...

journal_title：Molecular and cellular biology

authors： Khacho M,Mekhail K,Pilon-Larose K,Payette J,Lee S

更新日期：2008-01-01 00:00:00

abstract：:The interaction of enhancers with different promoters was studied by measuring the influence of two enhancers (from simian virus 40 and from Harvey sarcoma virus) on the activity of expression vectors that are identical except for their promoter region. The promoters examined were from the simian virus 40 early region...

journal_title：Molecular and cellular biology

authors： Berg PE,Popovic Z,Anderson WF

更新日期：1984-08-01 00:00:00

abstract：:In vitro studies have implicated nuclear respiratory factor 1 (NRF-1) in the transcriptional expression of nuclear genes required for mitochondrial respiratory function, as well as for other fundamental cellular activities. We investigated here the in vivo function of NRF-1 in mammals by disrupting the gene in mice. A...

journal_title：Molecular and cellular biology

authors： Huo L,Scarpulla RC

更新日期：2001-01-01 00:00:00

abstract：:The transcriptional corepressor mSin3 is associated with histone deacetylases (HDACs) and is utilized by many DNA-binding transcriptional repressors. We have cloned and characterized a novel mSin3A-binding protein, SAP25. SAP25 binds to the PAH1 domain of mSin3A, associates with the mSin3A-HDAC complex in vivo, and re...

journal_title：Molecular and cellular biology

authors： Shiio Y,Rose DW,Aur R,Donohoe S,Aebersold R,Eisenman RN

更新日期：2006-02-01 00:00:00

abstract：:We have investigated the site of surface expression of the neuraminidase (NA) glycoprotein of influenza A virus, which, in contrast to the hemagglutinin, is bound to membranes by hydrophobic residues near the NH2-terminus. Madin-Darby canine kidney or primary African green monkey kidney cells infected with influenza A...

journal_title：Molecular and cellular biology

authors： Jones LV,Compans RW,Davis AR,Bos TJ,Nayak DP

更新日期：1985-09-01 00:00:00

abstract：:Previously, we described a retrovirus vector that contained two genes: a 5' gene under transcriptional control of the viral long terminal repeat and a 3' gene under transcriptional control of the herpes simplex virus thymidine kinase promoter. By using a biological assay, we found that expression of the 5' gene is sup...

journal_title：Molecular and cellular biology

authors： Emerman M,Temin HM

更新日期：1986-03-01 00:00:00

abstract：:Calcineurin (Cn) is a calcium-activated serine/threonine protein phosphatase that is broadly implicated in diverse cellular processes, including the regulation of gene expression. During skeletal muscle differentiation, Cn activates the nuclear factor of activated T-cell (NFAT) transcription factor but also promotes d...

journal_title：Molecular and cellular biology

authors： Witwicka H,Nogami J,Syed SA,Maehara K,Padilla-Benavides T,Ohkawa Y,Imbalzano AN

更新日期：2019-09-11 00:00:00