Abstract:
:A decrease in gap junctional, intercellular communication (GJIC) has been associated with cells neoplastically transformed by a variety of factors. To investigate the role of the Ras oncogene product in gap junction function, a panel of murine C3H10T1/2 (10T1/2) fibroblasts was constructed in which the levels of ras gene expression could be effectively up- or down-regulated. Intercellular communication was measured using a novel technique of in situ electroporation of adherent cells on a partly conductive slide. The introduction of increasing amounts of activated Ras(leu61) in mouse 10T1/2 fibroblasts proportionally reduced GJIC, while the downregulation of endogenous c-ras gene expression increased junctional permeability. These results indicate that Ras plays an important role in the junction closure pathway leading to the proliferation of normal cells. However, differentiation of c-Ras-deficient preadipocytes entirely abolished their initially extensive GJIC, indicating that junction closure in response to adipocytic differentiation is independent of Ras.
journal_name
DNA Cell Bioljournal_title
DNA and cell biologyauthors
Brownell HL,Narsimhan RP,Corbley MJ,Mann VM,Whitfield JF,Raptis Ldoi
10.1089/dna.1996.15.443subject
Has Abstractpub_date
1996-06-01 00:00:00pages
443-51issue
6eissn
1044-5498issn
1557-7430journal_volume
15pub_type
杂志文章abstract::The family of G protein-coupled receptors (GPCRs) serves as the target for almost a third of currently marketed drugs, and provides the predominant mechanism through which extracellular factors transmit signals to the cell. The discovery of GPCRs with no known ligand has initiated a frenzy of research, with the aim of...
journal_title:DNA and cell biology
pub_type: 杂志文章,评审
doi:10.1089/dna.2005.24.54
更新日期:2005-01-01 00:00:00
abstract::Type 2 cystatins comprise a class of cysteine peptidase inhibitor presumed to mediate protective functions at various locations, including the oral cavity. Seven cystatin genes are clustered within a 300-kb region of human 20p11.2. "Salivary" cystatins, encoded by CST1, 2, 4, and 5, are present in saliva at significan...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/10445490252810311
更新日期:2002-01-01 00:00:00
abstract::The aim of this work was to express a eukaryotic pre-protein in Escherichia coli so that it could be obtained intact, without cleavage, by bacterial leader peptidase. To this end, cDNA coding for honeybee prepromelittin was ligated to the 3' end of genes coding for truncated forms of either Protein A or beta-galactosi...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.1994.13.875
更新日期:1994-08-01 00:00:00
abstract::Multiple sclerosis (MS) is a chronic and debilitating autoimmune disorder of the central nervous system in which the autoimmune T cells destroy myelin, thus causing lesion, damage, and neuronal dysfunction. Experimental autoimmune encephalomyelitis (EAE) is an animal model of MS that is particularly useful for testing...
journal_title:DNA and cell biology
pub_type: 杂志文章,评审
doi:10.1089/dna.2019.4814
更新日期:2019-07-01 00:00:00
abstract::Increasing evidence suggested that long noncoding RNAs (lncRNAs) variants may be involved in the progression of various cancers. However, the association of the lncRNAs polymorphisms with the risk for esophagogastric junction adenocarcinoma (EGJA) is still unknown. In this case-control study, we selected two cancer-re...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2020.5368
更新日期:2020-05-01 00:00:00
abstract::Genomic instability and epigenetic alterations are distinct hallmarks shared by cancer and aging. Sirtuins (SIRTs) are class III histone deacetylases that regulate gene expression in response to cellular metabolic status. SIRTs can modulate chromatin function through direct deacetylation of histones and by promoting a...
journal_title:DNA and cell biology
pub_type: 杂志文章,评审
doi:10.1089/dna.2016.3280
更新日期:2016-10-01 00:00:00
abstract::Ovarian cancer (OC) is the most lethal gynecological cancer. The molecular mechanism of it is complicated, and numerous researches suggest that microRNAs are key regulators for it. This study was to investigate the pivotal role of miR-629 in the progression of OC and to reveal the possible molecular mechanism of its a...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2017.3904
更新日期:2017-12-01 00:00:00
abstract::In our previous study, a kind of novel hybrid immunoglobulin (Ig)-binding proteins (IBPs) was obtained with the characteristic structure of alternately arranged Finegoldia magna (formerly Peptostreptococcus magnus) protein L (P. magnus protein L, PpL) B3 domain (B3) and Staphylococcal protein A (SpA) D domain (D). In ...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2007.0708
更新日期:2008-08-01 00:00:00
abstract::The major surface promoter of human hepatitis B virus can produce three distinct groups of S transcripts. The initiation sites of these transcripts are in close proximity. Encompassing the ATG for the middle surface protein, the largest S transcript (+1) encodes the middle surface protein whereas the other two (+20 an...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.1997.16.545
更新日期:1997-05-01 00:00:00
abstract::Human immunodeficiency virus type I (HIV-1) infection leads to penetration of the central nervous system (CNS) in virtually all infected individuals and HIV-1-induced encephalopathy in a significant number of untreated patients. The molecular mechanisms by which HIV-1 enters the CNS and yields CNS dysfunction are stil...
journal_title:DNA and cell biology
pub_type: 杂志文章,评审
doi:10.1089/104454904773819815
更新日期:2004-04-01 00:00:00
abstract::High-mobility group protein A1 (HMGA1), an architectural transcription factor, was found to regulate multiple gene expression in mammals. Recent studies firmly indicate an association between HMGA1 and type 2 diabetes. However, the presence and function of HMGA1 in diabetic vasculopathy has not been substantiated. in ...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2017.3957
更新日期:2018-04-01 00:00:00
abstract::Adipose-derived stem cells/adipose-derived progenitor cells (ADPCs) are multipotent stem cells that can differentiate in vitro into many cell types. However, the vast majority of experimental materials were obtained from human, mouse, rabbit, and other mammals but rarely from poultry. In this study, ADPCs were isolate...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2010.1154
更新日期:2011-07-01 00:00:00
abstract::Ginsenoside, a natural triterpenoid saponin, exhibits immunomodulatory and anticancer activities. In the present study, we demonstrated that ginsenoside Rg1 induced secretion of cytokines, including interleukin (IL)-6, tumor necrosis factor-alpha (TNF-α), and IL-1β, and chemokines such as IL-8 and IP-10 in a dose-depe...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2017.3923
更新日期:2017-12-01 00:00:00
abstract::An increasing amount of evidence suggests that interleukin-18 (IL-18) plays a pivotal role in the pathophysiology of schizophrenia. However, association between single nucleotide polymorphism of IL-18 and the risk of schizophrenia has not been clarified. This study examined whether two promoter polymorphisms -137 G/C ...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2011.1221
更新日期:2011-11-01 00:00:00
abstract::Several studies have revealed that miR-205 plays important roles in the development of gynecological cancers and thus may serve as a potential prognostic biomarker, but the current conclusions remain controversial. Therefore, the goal of this study was to explore the prognostic significance and functional mechanisms o...
journal_title:DNA and cell biology
pub_type: 杂志文章,meta分析
doi:10.1089/dna.2019.5316
更新日期:2020-05-01 00:00:00
abstract::The murine 18A2/mts1 and its human homolog h-mts1 (S100A4), encoding a Ca2+-binding protein belonging to the S-100 family, are associated with high invasive and metastatic potentials of murine tumors, human tumor cell lines in vitro, and human tumors growing as xenografts. The nm23 is a putative metastasis-suppressor ...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.1998.17.335
更新日期:1998-04-01 00:00:00
abstract::The PC12 pheochromocytoma cell line has been a favorite model system for cell and neurobiologists, but has proven relatively refractory to standard DNA transfection methods. We have found that the cationic lipid "lipofectin" provides a simple, gentle, and nontoxic procedure that vastly improves transfection efficienci...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.1990.9.221
更新日期:1990-04-01 00:00:00
abstract::A primary response of the avian intestine to 1,25-dihydroxyvitamin D3 [1,25-(OH)2D3] is increased synthesis of a 28-kD calcium-binding protein, calbindin-D28k (CaBP). This study examined whether 1,25-(OH)2D3 regulates CaBP gene transcription by an interaction of the vitamin D receptor (VDR) with a vitamin D-responsive...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.1992.11.377
更新日期:1992-06-01 00:00:00
abstract::DNA condensed agents can improve the transfection efficiency of the cationic liposome delivery system. However, various condensed agents have distinct transfection efficiency and cellular cytotoxicity. The object of this study was to screen the optimal agents with the high transfection efficiency and low cytotoxicity ...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2018.4464
更新日期:2019-10-01 00:00:00
abstract::We have isolated and characterized a cDNA encoding a chicken beta homolog of c-erbA, or thyroid hormone receptor (TR). Chicken liver cDNA libraries were screened with a rat TR beta-1 cDNA probe, and several cDNA inserts were isolated and characterized. The sequence of one cDNA predicts a 369-amino-acid open reading fr...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.1991.10.211
更新日期:1991-04-01 00:00:00
abstract::Sestrin2 is involved in a different cellular response to stress conditions. However, the function of Sestrin2 in the cardiovascular system remains unknown. In the present study, we tested whether Sestrin2 has a beneficial effect on macrophage cell apoptosis induced by oxidized low-density lipoprotein (oxLDL). We found...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2014.2627
更新日期:2015-04-01 00:00:00
abstract::We have screened an Aplysia atrial gland cDNA library using a prohormone convertase (PC)1 probe prepared by polymerase chain reaction (PCR) and have isolated an Aplysia PC1-related full-length 3.6-kb cDNA clone. The cDNA sequence (3,565 bp) encoded a putative preproendoprotease (APC1) of 703 amino acid residues that s...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.1996.15.339
更新日期:1996-04-01 00:00:00
abstract::MicroRNAs (miRNAs) are an important class of small, noncoding, regulatory RNAs found to be involved in regulating a wide variety of important cellular processes by the sequence-specific inhibition of gene expression. Viruses have evolved a number of mechanisms to take advantage of the regulatory potential of this high...
journal_title:DNA and cell biology
pub_type: 杂志文章,评审
doi:10.1089/dna.2006.0559
更新日期:2007-04-01 00:00:00
abstract::Acetate and β-hydroxybutyrate (BHBA) are the predominant substrates for de novo fatty acid (FA) synthesis in mammary gland of dairy cow. To investigate the nutrigenomic role of acetate and BHBA in bovine mammary epithelial cells during milk fat production, RNA sequencing (RNA-seq) transcriptomic analysis was used to i...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2019.4783
更新日期:2020-03-01 00:00:00
abstract::It is well known that the positively charged polyamines have a DNA-stabilizing function and that polyamine depletion alters chromatin function. We have previously shown that polyamine depletion causes an S phase prolongation, and others have shown that there is an accumulation of Okazaki-like fragments in polyamine-de...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2008.0750
更新日期:2008-09-01 00:00:00
abstract::The aim of this article is to review our current understanding of the role of cytokines, chemokines, T cells, Langerhans cells, and neutrophils (PMN) and their interactions in vivo in the host response to Pseudomonas aeruginosa ocular challenge. The cellular/cytokine network in vivo has begun to be unraveled, and the ...
journal_title:DNA and cell biology
pub_type: 杂志文章,评审
doi:10.1089/10445490260099665
更新日期:2002-05-01 00:00:00
abstract::CD95 (Fas/APO-1)-mediated apoptosis appears to be regulated by positive and negative signaling molecules. A human CD40/CD95 chimeric receptor was stably transfected into CD95-expressing human Jurkat T cells, and signaling through native and chimeric CD95 was compared in the same cell type to assess contributions of th...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.1997.16.197
更新日期:1997-02-01 00:00:00
abstract::A simple, efficient procedure for cross-linking two complementary oligonucleotides, which does not require chemical modification of either oligonucleotide, is described. One of the oligonucleotides is first converted to the 5'-phosphorothioate derivative with polynucleotide kinase. It is then incubated with its comple...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.1990.9.71
更新日期:1990-01-01 00:00:00
abstract::We have analyzed the interleukin-1 beta (IL-1 beta) promoter region near the cap site. Specific DNA sequences required for lipopolysaccharide (LPS) induction within this region were identified using transfection of reporter plasmids that contained portions of the proximal IL-1 beta 5'-flanking sequence. An LPS-respons...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.1994.13.561
更新日期:1994-06-01 00:00:00
abstract::The aim of this study is to discuss the hypothesis that expression of plasma atherosclerosis-associated microRNAs (miRNAs) in hyperhomocysteinemia (Hhcy) patients could predict the presence of atherosclerosis from different channels. Six plasma miRNAs (miR-145, miR-155, miR-222, miR-133, miR-217, and miR-30) selected ...
journal_title:DNA and cell biology
pub_type: 杂志文章
doi:10.1089/dna.2017.3845
更新日期:2018-03-01 00:00:00