abstract：:The J.774 murine macrophage cells were cultured in suspension in Teflon flasks. When allowed to attach on culture plastic dishes, a 2-3-fold increase in transferrin binding was observed. This occurred in 10 min, reached a steady state at 60 min, remained stable for several hours and was reversible after resuspension o...

journal_title：Experimental cell research

authors： Ventura MA,Louache F,Rouis M,Erlich D,Goldstein S,Testa U,Thomopoulos P

更新日期：1987-06-01 00:00:00

abstract：:A monoclonal antibody Pr-28 was prepared, which recognized an antigen present only in proliferating cells. Immunofluorescence analysis of Pr-28 antigen showed that the antigen was localized mainly in perinuclear cytoplasm. Although Pr-28 antibody was produced against a chicken cell antigen, it reacts not only with chi...

journal_title：Experimental cell research

authors： Matsuhashi S,Watanabe T,Hori K

更新日期：1987-06-01 00:00:00

abstract：:In S. cerevisiae the induction of heat-shock protein (HSP) synthesis is accompanied by a decrease in the cytoplasmic and vacuolar pH as determined by means of [31P]NMR spectroscopy. The relationship of HSP synthesis and acidification of the cytoplasmic pH is dose-dependent under a variety of treatments (temperature in...

journal_title：Experimental cell research

authors： Weitzel G,Pilatus U,Rensing L

更新日期：1987-05-01 00:00:00

abstract：:Growth factor activity was partially purified from mouse liver plasma membranes and its growth-stimulatory action on cultured mouse fibroblasts was studied. The plasma membrane-associated growth factor (PMGF) was unable to support the proliferation of mouse fibroblasts in monolayer when added as the sole source of gro...

journal_title：Experimental cell research

authors： Nagasaki T,Lieberman MA

更新日期：1987-05-01 00:00:00

abstract：:A polypeptide growth factor has been isolated from serum-free medium conditioned by mouse PC13 embryonal carcinoma cells, which is strongly mitogenic for Swiss 3T3 fibroblasts. On a CM-2-SW high-performance liquid chromatography cation-exchange column at low pH, this growth factor elutes at a salt concentration very c...

journal_title：Experimental cell research

authors： van Veggel JH,van Oostwaard TM,de Laat SW,van Zoelen EJ

更新日期：1987-04-01 00:00:00

abstract：:Human, Chinese hamster or Chinese hamster/human hybrid cytoplasts were fused with UV-irradiated xeroderma pigmentosum group A (XP-A) cells. Unscheduled DNA synthesis (UDS) of the XP-A nucleus was measured 0-2 and 2-4 h after seeding of the fused population. Human cytoplasts did correct the defect in the XP-A nucleus i...

journal_title：Experimental cell research

authors： Keijzer W,Stefanini M,Bootsma D,Verkerk A,Geurts van Kessel AH,Jongkind JF,Westerveld A

更新日期：1987-04-01 00:00:00

abstract：:The enzyme activity hydrolysing diadenosine 5,5'-P1, P4-tetraphosphate (AP4A) was demonstrated in the embryonic extract of sea urchin. The enzyme activity was preferentially inhibited by ZnCl2 and by high concentrations of isobutylmethylxanthine, indicating that two types of the enzyme, (AP4A) hydrolase and non-specif...

journal_title：Experimental cell research

authors： Morioka M,Shimada H

更新日期：1987-03-01 00:00:00

abstract：:Previous work has suggested that adhesive or cytoskeletal structures alter during epithelial transformation. The purpose of the present studies was to see whether such reorganizations were accompanied by consistent changes in the biophysical characteristics of cells. We used in vitro cell lines from rat liver and resp...

journal_title：Experimental cell research

authors： Heckman CA,Campbell AE,Wetzel B

更新日期：1987-03-01 00:00:00

abstract：:We report that a fatty acid auxotroph of Tetrahymena thermophila (RH179E1) fails to mate, yet retains the ability to co-stimulate normal cells unidirectionally. Thus, co-stimulation can be analyzed experimentally in the absence of pair formation. We show that the co-stimulation of normal cells of one mating type is su...

journal_title：Experimental cell research

authors： Katz M,Conner RL,Baum MP,Orias E

更新日期：1987-03-01 00:00:00

abstract：:A cell culture model stimulating the genetic deficiency of glucocerebrosidase has been developed, utilizing macrophages and conduritol B epoxide (CBE), the specific irreversible inhibitor of the enzyme. Rat peritoneal macrophage glucocerebrosidase was completely inhibited when cells were treated with 10 microM CBE for...

journal_title：Experimental cell research

authors： Das PK,Murray GJ,Gal AE,Barranger JA

更新日期：1987-02-01 00:00:00

abstract：:A monoclonal antibody that reacts specifically with the proliferation-sensitive nuclear proteins, isoelectric focusing (IEF) 8Z30 and 8Z31 (molecular weight (MW), 76,000 charge variants, HeLa protein catalogue number) has been characterized. As determined by indirect immunofluorescence, the antibody stains the nucleol...

journal_title：Experimental cell research

authors： Celis JE,Madsen P,Nielsen S,Petersen Ratz G,Lauridsen JB,Celis A

更新日期：1987-02-01 00:00:00

abstract：:Lithium has been found to be a novel inhibitor of the terminal differentiation of Friend murine erythroleukemia cells. A general method for the quantitative analysis of differentiation inhibitors has been developed and used to compare the site of inhibition by lithium with that by vanadate. Lithium inhibits the commit...

journal_title：Experimental cell research

authors： Zaricznyj C,Macara IG

更新日期：1987-02-01 00:00:00

abstract：:The mitochondrial enzyme cytochrome c oxidase (COX) in eukaryotes consists of at least seven subunits, three of which (I-III) are encoded by mitochondrial DNA (mitDNA) and the others (IV-VII) by the nuclear genome. There is increasing evidence that COX in mammals exists in multiple tissue-specific forms, presumably sp...

journal_title：Experimental cell research

authors： Nakagawa M,Miranda AF

更新日期：1987-01-01 00:00:00

abstract：:Two SV40-transformed human cell lines, GM637, derived from a normal human subject, and GM5849, derived from a patient with ataxia-telangiectasia (A-T), were grown in increasing concentrations of the cytotoxic agent methotrexate (MTX). The GM637 line was naturally more resistant to methotrexate than was GM5849 and, ove...

journal_title：Experimental cell research

authors： Hahn P,Kapp LN,Painter RB

更新日期：1987-01-01 00:00:00

abstract：:Uptake and metabolism of thymidine and adenosine have been studied in embryos of the sea urchin Strongylocentrotus purpuratus. Uptake of these nucleosides is found to be mutually competitive, with the Km for uptake of thymidine similar to its Ki for inhibition of adenosine uptake and vice versa. The metabolic studies ...

journal_title：Experimental cell research

authors： Schneider EG,Whitten DJ

更新日期：1987-01-01 00:00:00

abstract：:Stromal-vascular cells from the epididymal fat pad of 4-week-old rats, when cultured in a medium containing insulin or insulin-like growth factor, IGF-I, triiodothyronine and transferrin, were able to undergo adipose conversion. Over ninety percent of the cells accumulated lipid droplets and this proportion was reduce...

journal_title：Experimental cell research

authors： Deslex S,Negrel R,Ailhaud G

更新日期：1987-01-01 00:00:00

abstract：:The importance of the cytoskeleton in protein synthesis was studied in differentiating L6 rat myoblasts. Soluble and cytoskeletal fractions obtained after gentle, non-ionic detergent lysis of myoblasts and myotubes were analysed for the presence of ribosomes and mRNPs. Polysomal mRNPs were predominantly associated wit...

journal_title：Experimental cell research

authors： Bagchi T,Larson DE,Sells BH

更新日期：1987-01-01 00:00:00

abstract：:Cultured arterial smooth muscle cells incorporate [35S]sulfate into the extracellular chondroitin sulfate/dermatan sulfate containing proteoglycans at a higher rate in the phase of logarithmic growth than do non-dividing cells. The cell growth-dependent decrease in 35S incorporation with increasing cell density is acc...

journal_title：Experimental cell research

authors： Hollmann J,Thiel J,Schmidt A,Buddecke E

更新日期：1986-12-01 00:00:00

abstract：:Protein kinases are thought to play a key role in signal transduction and oncogenesis, but little is known about the intranuclear phosphorylation events associated with transformation. Here we report on cell cycle-dependent phosphorylation of cytoskeleton-associated 350 kD protein and the regular interchange in its lo...

journal_title：Experimental cell research

authors： Sato C,Nishizawa K,Nakayama T,Hirai R,Nakamura H

更新日期：1986-12-01 00:00:00

abstract：:In many eukaryotic organisms, initiation of DNA synthesis is associated with a major control point within the cell cycle and reflects the commitment of the cell to the DNA replication-division portion of the cell cycle. In Paramecium, the timing of DNA synthesis initiation is established prior to fission during the pr...

journal_title：Experimental cell research

authors： Ching AS,Berger JD

更新日期：1986-11-01 00:00:00

abstract：:Time-lapse microcinematography was used to trace the migration and subsequent fate of daughter pairs from single myogenic stem cells. The generation times of siblings which divide are closely correlated (r, 0.73) compared with randomly selected cells (r, 0.059), suggesting the more or less equal partition of stem cell...

journal_title：Experimental cell research

authors： Konigsberg IR,Pfister KK

更新日期：1986-11-01 00:00:00

abstract：:We have studied the ability of plasmids encoding a normal human myc protein to stimulate growth of primary rat embryo fibroblasts. We measured growth stimulation by the number of G418-resistant colonies obtained after co-transfection with plasmid pSV2neo and by the percentage of these colonies that grew in long-term c...

journal_title：Experimental cell research

authors： Nicolaiew N,Dautry F

更新日期：1986-10-01 00:00:00

abstract：:Fragments of rough endoplasmic reticulum and Golgi complex purified from rat liver homogenates were injected into Xenopus oocytes and the sites of microinjection analysed by electron microscopy at different times post-injection. The in vivo incubated fragments were located by their proximity to a microinjection vacuol...

journal_title：Experimental cell research

authors： Paiement J

更新日期：1986-10-01 00:00:00

abstract：:Fibronectin and alpha 1(I) and alpha 2(I) collagen proteins and RNAs are highly expressed during the growth phase of the non-transformed L6 alpha 1 rat myoblasts. When L6 alpha 1 cells from myotubes following transfer to low serum medium, the levels of fibronectin RNA decrease 8-fold, those of both alpha 2(I) transcri...

journal_title：Experimental cell research

authors： Leibovitch SA,Hillion J,Leibovitch MP,Guillier M,Schmitz A,Harel J

更新日期：1986-10-01 00:00:00

abstract：:The high level and intranuclear location of the cellular phosphoprotein p53 are usually regarded as invariant features of SV40-transformed fibroblast lines. During the development of improved methods for immunocytochemical detection of p53 using SVA31 E7 mouse fibroblasts, we have observed unexpected and marked variat...

journal_title：Experimental cell research

authors： Davis D,Wynford-Thomas D

更新日期：1986-09-01 00:00:00

abstract：:In order to test the existence of mechanical coupling between the rotational movements of two adjacent nuclei, we prepared binucleate 3T3 cells and observed their nuclear movements by near infrared microscopy and recorded them with time-lapse video techniques. We found that 49 out of 110 (44%) of the selected binuclea...

journal_title：Experimental cell research

authors： Paddock SW,Albrecht-Buehler G

更新日期：1986-09-01 00:00:00

abstract：:In mammalian cells, it has been shown that adjacent multiple DNA replicons, termed a replicon cluster or a replicon domain, are replicated coordinately in a defined temporal order during the DNA synthetic (S) phase. However, no intranuclear structure of this replicon domain has been revealed in the nucleus labelled wi...

journal_title：Experimental cell research

authors： Nakamura H,Morita T,Sato C

更新日期：1986-08-01 00:00:00

abstract：:The intracellular compartmentation of Ap4A in various growth and cell-cycle stages in mammalian cells was studied by applying a non-aqueous extraction procedure for cell nuclei. In both slowly and in exponentially growing Ehrlich ascites tumour cells from random cultures, more than 75% of the whole cellular Ap4A conte...

journal_title：Experimental cell research

authors： Weinmann-Dorsch C,Grummt F

更新日期：1986-08-01 00:00:00

abstract：:A discrete macromolecular structure with inherent transcription activity has been isolated from Novikoff nucleoli. The particle (350 A diameter) was released from the intact nucleoli by digestion with restriction endonuclease (Msp1) and is enriched in repetitive DNA sequences both 5' and 3' to the ribosomal genes. In ...

journal_title：Experimental cell research

authors： Rosenberg NL

更新日期：1986-07-01 00:00:00

abstract：:The major cell surface proteins of Chinese hamster ovary (CHO) cells have been investigated after reacting cells at 4 degrees C with the membrane-impermeant reagent, trinitrobenzenesulfonate (TNBS). Immunoprecipitation and subsequent two-dimensional, sodium-dodecyl sulfate, polyacrylamide gel electrophoresis (SDS-PAGE...

journal_title：Experimental cell research

authors： Raub TJ,Denny JB,Roberts RM

更新日期：1986-07-01 00:00:00

abstract：:A temperature-sensitive mutant, tsJT60, grew exponentially at both 34 degrees and 39.5 degrees C, but when stimulated from the resting state it entered S phase at 34 degrees but not at 39.5 degrees C. The mutated function appeared to be a prerequisite throughout from 0 to 9 h following the stimulation, in order that G...

journal_title：Experimental cell research

authors： Ninomiya-Tsuji J,Goto Y,Ishibashi S,Ide T

更新日期：1986-07-01 00:00:00

abstract：:Evidence is presented that endonuclease digestion of isolated, unfixed chromosomes results in the production of banding patterns similar to those produced by digestion of fixed, air-dried chromosomes. Mouse L cell chromosomes were isolated under acidic or relatively neutral pH conditions, exposed in situ (as wet mount...

journal_title：Experimental cell research

authors： Burkholder GD,Schmidt GJ

更新日期：1986-06-01 00:00:00

abstract：:Incubating conditions which induced actin paracrystal-like intracellular structures (actin rods) were investigated by using several cell lines. We have found that an incubation of cells of a mouse fibroblastic cell line, C3H-2K, in an isotonic solution of NaCl containing 1 mM MgCl2, 1 mM CaCl2 and 10 mM MES, pH 6.5, i...

journal_title：Experimental cell research

authors： Iida K,Yahara I

更新日期：1986-06-01 00:00:00

abstract：:The effects of the tubulin-binding drug colchicine on cultured neonate cardiac cell function were investigated. Application of low doses of colchicine (but not lumicolchicine) caused an early reversible increase in beating rate with a concomitant decrease in amplitude. Treatment of the cells with trypsin at a dose tha...

journal_title：Experimental cell research

authors： Lampidis TJ,Trevorrow KW,Rubin RW

更新日期：1986-06-01 00:00:00

abstract：:A method for coating liposomes with transferrin is described. Such liposomes have been used for carrying exogenous DNA to rabbit bone marrow (BM) precursor cells, in vivo. A large amount of the DNA contained in the liposomes was delivered specifically into the erythroblasts of the test animals. ...

journal_title：Experimental cell research

authors： Stavridis JC,Deliconstantinos G,Psallidopoulos MC,Armenakas NA,Hadjiminas DJ,Hadjiminas J

更新日期：1986-06-01 00:00:00

abstract：:In primary cultures of ovine thyroid cells, TSH induced the expression of several differentiated functions including the formation of follicles, and synthesis and storage of iodinated thyroglobulin in the follicular lumen. In the present report, these follicles were shown by transmission (TEM) and scanning electron mi...

journal_title：Experimental cell research

authors： Mak WW,Errick JE,Chan RC,Eggo MC,Burrow GN

更新日期：1986-06-01 00:00:00

abstract：:A monoclonal rat IgM antibody (4C9) raised against F9 embryonal carcinoma cells reacted with fucosyl residues in poly-N-acetyllactosamine-type large carbohydrates of these cells (embryoglycan). The chemical properties and distribution of the antigen resembled those of SSEA-1. The monoclonal antibody was found to inhib...

journal_title：Experimental cell research

authors： Nomoto S,Muramatsu H,Ozawa M,Suganuma T,Tashiro M,Muramatsu T

更新日期：1986-05-01 00:00:00

abstract：:Adhesion of hepatocytes to collagenous substrates and their spreading have been shown to involve a specific recognition event, possibly mediated by membrane proteins with affinity for collagen. In the present communication, we describe the isolation of membrane components that are involved in the adhesion of rat hepat...

journal_title：Experimental cell research

authors： Rubin K,Gullberg D,Borg TK,Obrink B

更新日期：1986-05-01 00:00:00

abstract：:Cell-CAM 105 is an integral cell surface glycoprotein that is involved in cell-cell adhesion of adult rat hepatocytes in vitro. In the present report we used a radio-immunoassay, a quantitative immunoblotting technique and immunofluorescence microscopy to investigate the expression of cell-CAM 105 in fetal and regener...

journal_title：Experimental cell research

authors： Odin P,Obrink B

更新日期：1986-05-01 00:00:00

abstract：:On staining with a monoclonal antibody raised against microtubule-associated protein-1 (MAP-1), dot-like structures were seen in the nuclei of interphase cells, but not in those of non-cycling G0-arrested cells. Dots were also not seen in the nuclei of non-cycling senescent human cells (IMR-90). A SV40-DNA-transformed...

journal_title：Experimental cell research

authors： Ohno T,Kako R,Sato C,Ohkawa A

更新日期：1986-04-01 00:00:00