Abstract:
:Replication protein A (RPA), a stable complex of three polypeptides, is the single-stranded DNA-binding protein essential for DNA replication in eukaryotic cells. Previous studies of the subcellular distribution and stability of the RPA heterotrimer during the mammalian cell cycle have produced conflicting results. Here, we present evidence that these inconsistencies can be accounted for by the presence of an extractable pool of soluble RPA within the nucleus. Indirect immunofluorescence experiments in both CHO and HeLa cells showed that all three RPA subunits associated specifically with sites of ongoing DNA synthesis, similar to the replication fork protein proliferating cell nuclear antigen. Furthermore, we found no evidence for disassembly of the chromatin-bound heterotrimeric RPA complex in vivo. Our results are consistent with a role for RPA in the initiation and elongation steps of replication, as previously defined in the viral in vitro replication systems.
journal_name
Exp Cell Resjournal_title
Experimental cell researchauthors
Dimitrova DS,Gilbert DMdoi
10.1006/excr.1999.4770keywords:
subject
Has Abstractpub_date
2000-02-01 00:00:00pages
321-7issue
2eissn
0014-4827issn
1090-2422pii
S0014-4827(99)94770-5journal_volume
254pub_type
杂志文章abstract::Non-small cell lung carcinoma (NSCLC) is characterized by resistance to drug-induced apoptosis, which might explain the survival of lung cancer cells following treatment. Recently we have shown that the broad-range kinase inhibitor staurosporine (STS) reactivates the apoptotic machinery in U1810 NSCLC cells [Joseph et...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2004.12.017
更新日期:2005-04-15 00:00:00
abstract::We used a glioblastoma multiform (GBM) cell line to study the mechanism of cellular regulation of nitric oxide (NO) production. Our experiments indicate a confluent monolayer of GBM cells to release NO as measured through its oxidized NO2 form which gradually accumulates and reaches a peak by 7 to 10 days of culture. ...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1006/excr.1994.1020
更新日期:1994-01-01 00:00:00
abstract::Fluorescence hybridization is a widely used technique in cell biology and pathology for detecting specific nucleic acid (DNA and RNA) sequences in fixed cells. This technique does not, however, provide dynamic information on the intracellular behavior of the targeted molecules. The aim of this work was to investigate ...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1006/excr.1996.3464
更新日期:1997-02-25 00:00:00
abstract::Huntingtin interacting protein HYPK (Huntingtin Yeast Partner K) is an intrinsically unstructured protein having chaperone-like activity and can suppress mutant huntingtin aggregates and toxicity in cell model of Huntington's Disease (HD). Heat shock response is an adaptive mechanism of cells characterized by upregula...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2016.03.021
更新日期:2016-05-01 00:00:00
abstract::The Alternative Reading Frame (ARF) protein suppresses tumorigenesis through p53-dependent and p53-independent pathways. Most of ARF's anti-proliferative activity is conferred by sequences in its first exon. Previous work showed specific amino acid changes occurred in that region during primate evolution, so we progra...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2009.01.010
更新日期:2009-04-15 00:00:00
abstract::By means of plasma clot clonal cultures, the content of the avian spleen in granulomonocytic progenitors was studied during ontogeny. Serum-free media were used that were supplemented with growth activities produced either by embryonic fibroblasts or adult spleen cells. These two conditioned media not only permitted t...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/0014-4827(91)90264-u
更新日期:1991-10-01 00:00:00
abstract::We have used biotinylated rDNA probes to localize by in situ hybridization the extrachromosomal genes for ribosomal RNA in the slime mold Physarum polycephalum. We established conditions that allow for highly specific hybridization at the ultrastructural level and determined that the 60-kb palindromic rDNA molecules a...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/0014-4827(92)90009-w
更新日期:1992-12-01 00:00:00
abstract::Skin fibroblasts from patients with inherited adenomatosis of the large bowel (ACR-SF) possess alterations in actin microfilament (MF) organization which serve to distinguish "predisposed" cells from fibroblasts derived from normal individuals (NSF). MF bundle frequency and diameter were considerably reduced in ACR-SF...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/0014-4827(91)90389-c
更新日期:1991-08-01 00:00:00
abstract::Current methods of monitoring insulin in culture are limited to soluble insulin (secretions or lysates) or synthetic gene reporter analyses. We present an insulin-specific cell enzyme-linked immunosorbent assay (cell-ELISA) to assess relative intracellular insulin protein content of adherent cultures, normalized to ce...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2016.06.014
更新日期:2016-09-10 00:00:00
abstract::The expression of human cellular fibronectin (HFN) was analyzed in relation to the differentiation process of the human enterocyte-like cell line Caco-2. A single approximately 290-kDa form of HFN, corresponding to a 10.0-kb mRNA species, was observed in Caco-2 cells. The expression levels of both protein and mRNA wer...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1006/excr.1995.1004
更新日期:1995-01-01 00:00:00
abstract::Normal and transformed human cells when stained for ezrin, an F-actin-binding ERM (ezrin/radixin/moesin) family protein, revealed a faint and intense immunofluorescence, respectively. Surprisingly, nuclear staining that was assigned to the nucleolus by confocal laser and immunoelectron microscopy was detected in both ...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1006/excr.1999.4491
更新日期:1999-07-10 00:00:00
abstract::ADP-ribosylation factor 3 (ARF3) is a member of the KRAS proto-oncogene, GTPase(Ras) super-family of guanine nucleotide-binding proteins that mediates Golgi-related mitosis, but its role in malignant cells is unclear. In the present study, we found that mRNA and protein expression of ARF3 is up-regulated in breast can...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2019.111624
更新日期:2019-11-15 00:00:00
abstract::We have isolated a clone of human lymphoblastoid cells that is capable of undergoing the phenomenon of contact-mediated cell spreading in vitro. We have detected this behavior when using both transmission electron microscopy (TEM), and differential interference contrast microscopy. Upon cell-cell contact, cells become...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/0014-4827(83)90015-0
更新日期:1983-05-01 00:00:00
abstract:BACKGROUND/AIMS:The NOD-like receptor, pyrin domain containing-3 (NLRP3) inflammasome is involved in the progression of chronic kidney disease in several rodent models. Here, we investigated whether a specific inhibitor of NLRP3 inflammasome, MCC950, can attenuate cisplatin-induced renal fibrosis. MATERIALS:Renal fibr...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2019.07.001
更新日期:2019-10-01 00:00:00
abstract::Elastin, a major constituent of the media, may play an important role in the attachment, migration, and phenotypic properties of vascular smooth muscle cells (SMC). We examined binding proteins and binding sites on elastin in rabbit arterial SMC in primary culture. Freshly isolated cells on alpha-elastin underwent phe...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1006/excr.1995.1164
更新日期:1995-05-01 00:00:00
abstract::Autosomal dominant polycystic kidney disease (ADPKD), a hereditary renal disease caused by mutations in PKD1 (85%) or PKD2 (15%), is characterized by the development of gradually enlarging multiple renal cysts and progressive renal failure. Polycystin-1 (PC1), PKD1 gene product, is an integral membrane glycoprotein wh...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:
更新日期:2014-01-01 00:00:00
abstract::Identification of new drugs and predicting drug response are major challenges in oncology, especially for brain tumors, because total surgical resection is difficult and radiation therapy or chemotherapy is often ineffective. With the aim of developing a culture system close to in vivo conditions for testing new drugs...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2013.12.010
更新日期:2014-02-15 00:00:00
abstract::Two HL60 clones (C12 and C13) totally insensitive to differentiation induction by dimethylsulfoxide (Me2SO) are described. They have been growing continuously in the presence of the inducer for more than 6 months. The morphological and cytochemical features of the two populations are quite similar to those of the orig...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/0014-4827(83)90275-6
更新日期:1983-08-01 00:00:00
abstract::Pluripotent stem cell activity is essential to maintain regeneration and homeostasis in the Drosophila midgut following environmental challenges. Although multiple pathways have been implicated in epithelial renewal, the underlying regulatory mechanisms and correlations between relevant genes and pathways remain elusi...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2017.10.021
更新日期:2017-12-15 00:00:00
abstract::With the aim of discovering new molecular interactions of the tight junction protein ZO-2, a two-hybrid screen was performed on a human kidney cDNA library using as bait the middle segment of ZO-2. Through this assay we identified a 24-kDa novel protein herein named ZASP for ZO-2 associated speckle protein. ZO-2/ZASP ...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2010.09.008
更新日期:2010-11-15 00:00:00
abstract::RNA polymerase II transcripts are confined to nuclear compartments. A detailed analysis of the nuclear topology of RNA from individual genes was performed for transcripts from the marker gene coding for chloramphenicol acetyltransferase, expressed at a high level from the HTLV-1 LTR promoter. The construct was transfe...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2004.07.038
更新日期:2005-01-15 00:00:00
abstract::Pathological cardiac hypertrophy is a maladaptive response in a variety of organic heart disease (OHD), which is characterized by mitochondrial dysfunction that results from disturbed energy metabolism. SIRT3, a mitochondria-localized sirtuin, regulates global mitochondrial lysine acetylation and preserves mitochondri...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2016.07.006
更新日期:2016-10-01 00:00:00
abstract::Hepatocytes from adult rats were cultured on poly-HEMA-coated surface to form spheroids in hormonally defined media as previously shown with newborn rat hepatocytes. Spheroidal aggregates of adult rat hepatocytes were morphologically similar to those of newborn rat hepatocytes and could also form a monolayer of unifor...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/0014-4827(92)90179-c
更新日期:1992-06-01 00:00:00
abstract::The scavenger receptor (SR-A) is considered to play a role in host defense by scavenging endotoxins, oxidized proteins, and denatured or otherwise modified self components, which are routed toward degradation in macrophages. Recent data suggest that SR-A also functions as an adhesion molecule. Our previous finding of ...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1006/excr.1997.3876
更新日期:1998-02-25 00:00:00
abstract::Nuclear and territorial positioning of p- and q-telomeres and centromeres of chromosomes 3, 8, 9, 13, and 19 were studied by repeated fluorescence in situ hybridization, high-resolution cytometry, and three-dimensional image analysis in human blood lymphocytes before and after stimulation. Telomeres were found on the ...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/s0014-4827(03)00208-8
更新日期:2003-09-10 00:00:00
abstract::Epithelial ovarian cancer (EOC) is thought to arise from the ovarian surface epithelium (OSE); however, the molecular events underlying this transformation are poorly understood. Germline mutations in the BRCA1 tumor suppressor gene result in a significantly increased risk of developing EOC and a large proportion of s...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2006.09.026
更新日期:2007-01-01 00:00:00
abstract::This study aims to clarify the role and molecular mechanism of dynamin-related protein 1 (Drp1)-mediated mitochondrial homeostasis in high glucose (HG)-induced endometrial cancer (EC). Normal endometrium and tumor tissues of EC patients with normal and HG levels were collected, and Drp1 and p-Drp1 expression levels we...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/j.yexcr.2020.111880
更新日期:2020-04-01 00:00:00
abstract::Exponentially growing Chinese hamster V79-171b lung fibroblasts seeded at high density on plastic (approximately 7 x 10(3) cells/cm2) flatten, elongate, and produce significant amounts of extracellular fibronectin. When lysed in weak alkali/high salt, the rate of DNA denaturation following exposure to ionizing radiati...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1016/0014-4827(91)90105-4
更新日期:1991-04-01 00:00:00
abstract::Previously, whole-mount electron microscopy of nuclei extruded together with residual cytoplasm from the rhizoids of several algal species of the order Dasycladales has revealed the occurrence of an intra- and perinuclear network of 10-nm filaments morphologically indistinguishable from that of mammalian vimentin inte...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1006/excr.1997.3924
更新日期:1998-05-01 00:00:00
abstract::Rat pheochromocytoma cells, PC12 cells, undergo differentiation in response to nerve growth factor (NGF). Although the Ras-MAP kinase signaling pathway has been shown to play a central role in the response to NGF, the precise mechanism which induces differentiation remains unclarified. Recently, several gamma-lactam-r...
journal_title:Experimental cell research
pub_type: 杂志文章
doi:10.1006/excr.1997.3615
更新日期:1997-08-01 00:00:00