abstract：:The biosynthesis of interleukin-6 receptor (IL-6R) and gp130 in vitro was blocked using specific antisense oligonucleotides (ASO) in HepG2 liver cells and the efficacy of various ASOs was tested on the generation of IL-6-induced junB mRNA. We used three ASOs specific for the IL-6 receptor, three specific for gp130 and...

journal_title：Cell biology international

authors： Varga VL,Fülöp AK,Holub MC,Tóth S,Szalai C,Falus A

更新日期：2001-01-01 00:00:00

abstract：:The microbicidal capacity of the macrophage is frequently evaded by mycobacteria, leading to tuberculosis (TB). We investigated a number of parameters affecting the rate of growth of mycobacteria in human monocyte-derived macrophages (MDM). The results show a great deal of variation in the growth of both Mycobacterium...

journal_title：Cell biology international

authors： Hoal-van Helden EG,Hon D,Lewis LA,Beyers N,van Helden PD

更新日期：2001-01-01 00:00:00

abstract：:The influence of daunorubicin (DNR) on survival of human normal (S-126) and trisomic, with respect to chromosome 21 (T-164; S-240), skin fibroblasts and some parameters related to it, such as intracellular drug accumulation, distribution and interaction with cell membrane, were studied. The in vitro growth-inhibition ...

journal_title：Cell biology international

authors： Przybylska M,Koceva-Chyla A,Rózga B,Józwiak Z

更新日期：2001-01-01 00:00:00

abstract：:Peroxynitrite was found to induce the release of K+ via the Na+/Cl- cotransport system, as do other oxidants. Since peroxynitrite is formed in vivo, its presence could contribute to a pathological dehydration of red blood cells. ...

journal_title：Cell biology international

authors： Grzelak A,Mazur J,Bartosz G

更新日期：2001-01-01 00:00:00

abstract：:A view is emerging that human amylin (HA) kills pancreatic islet beta-cells by apoptosis. This study strengthens this view by documenting time-dependent morphological and ultrastructural changes in 10 microm HA-treated cultured RINm5F islet beta-cells. Membrane blebbing and microvilli loss were the earliest detectable...

journal_title：Cell biology international

authors： Saafi EL,Konarkowska B,Zhang S,Kistler J,Cooper GJ

更新日期：2001-01-01 00:00:00

abstract：:Using clonal cell cultures, a significant increase in chromosomal aberrations (aneuplolidy, dicentrics and chromatid breaks) were observed in MCF-7 cells compared with HeLa. BRCA1 expression was lower in MCF-7 cells than in HeLa cells. Since BRCA1 is known to play a role in the maintenance of chromosomal integrity, th...

journal_title：Cell biology international

authors： Kachhap SK,Vetale SP,Dange P,Ghosh SN

更新日期：2001-01-01 00:00:00

abstract：:Inostamycin, which was recently isolated from Streptomyces sp. MH816-AF15 as an inhibitor of cytidine 5'-diphosphate 1,2-diacyl-sn-glycerol (CDP-DG): inositol transferase, caused a G1-phase accumulation in the cell cycle of small cell lung carcinomas. To investigate whether the cytostatic effect of inostamycin is rest...

journal_title：Cell biology international

authors： Baba Y,Tsukuda M,Mochimatsu I,Furukawa S,Kagata H,Nagashima Y,Koshika S,Imoto M,Kato Y

更新日期：2001-01-01 00:00:00

abstract：:An experimental model of leg lengthening was used to study the morphology of, the collagenous proteins present, and the collagen genes expressed in the regenerating tissue following 20% lengthening at four different distraction rates. At a distraction rate of 0.3 mm/day (8 weeks distraction), the regenerate consists o...

journal_title：Cell biology international

authors： Li G,Virdi AS,Ashhurst DE,Simpson AH,Triffitt JT

更新日期：2000-01-01 00:00:00

abstract：:The low density lipoprotein receptor-related protein (alpha(2)MR/LRP) is a cell surface receptor which is present on most cells and tissues. We show that the 85 kDa subunit, containing the transmembrane region and cytoplasmic domain is phosphorylated in vivo. Comparison of the phosphorylation of the low density lipopr...

journal_title：Cell biology international

authors： Djordjevic JT,Waterkeyn JG,Hennessy KL,Stanley KK

更新日期：2000-01-01 00:00:00

abstract：:A convenient means of measuring apoptosis is described using an automated analyzer (MF-1; Sysmex), which normally provides rapid measurement of malarial parasites. By means of this MF-1 procedure, apoptotic cells exhibited characteristic changes of light scatter (size) and fluorescence (DNA content) relating to cell s...

journal_title：Cell biology international

authors： Lertworasirikul T,Bunyaratvej A,Kubota F

更新日期：2000-01-01 00:00:00

abstract：:Growth hormone (GH), given therapeutically in many human diseases, is able to modulate the maturation and function of many cells of immune system. The present study demonstrates the effect of human recombinant GH on the production of acute phase proteins (APP) as well as on the gene expression of junB proto-oncogene o...

journal_title：Cell biology international

authors： Derfalvi B,Igaz P,Fulop KA,Szalai C,Falus A

更新日期：2000-01-01 00:00:00

abstract：:We analysed the presence and localization of spectrin-like proteins in nuclei of various plant tissues, using several anti-erythrocyte spectrin antibodies on isolated pea nuclei and nuclei in cells. Western blots of extracted purified pea nuclei show a cross-reactive pair of bands at 220-240 kDa, typical for human ery...

journal_title：Cell biology international

authors： De Ruijter NC,Ketelaar T,Blumenthal SS,Emons AM,Schel JH

更新日期：2000-01-01 00:00:00

abstract：:Protein composition and functional activity of various polysome subpopulations isolated from Vicia faba L. leaves and Triticum aestivum L. and Hordeum vulgare L. seedlings were studied. Membrane- and cytoskeleton-bound polysomes were more active in the wheat germ cell-free translational system than free polysomes. Sev...

journal_title：Cell biology international

authors： Klyachko N,Aksenova L,Dunaeva M,Kulikova A

更新日期：2000-01-01 00:00:00

abstract：:Life cannot be simply defined in biochemical terms but it is associated with autodynamic behaviour. This fact implies that all aspects of cell biology should be viewed in terms of the resultant temporal features. Theoretical arguments indicate that the dynamic state can be explained only by the existence of periodicit...

journal_title：Cell biology international

authors： Gilbert D,Lloyd D

更新日期：2000-01-01 00:00:00

abstract：:The present study was undertaken to test the reproducible formation of the extended chromatin fibres (ECF), beads and superbeads, and detect molecular order and crystallinity by optical anisotropies in those structures. Chicken erythrocyte smears and mouse liver cell imprints were treated with 2.0-3.0 m NaCl solution ...

journal_title：Cell biology international

authors： de Campos Vidal B

更新日期：2000-01-01 00:00:00

abstract：:Ca(2+)mobilization induced by ATP, isoproterenol and the Ca(2+)-ATPase inhibitor thapsigargin in the human submandibular duct cell line A253 was investigated using the Ca(2+)-sensitive fluorescent indicator fura-2. ATP and isoproterenol increased cytosolic free Ca(2+)([Ca(2+)](i)) and subsequent exposure to thapsigarg...

journal_title：Cell biology international

authors： Andersson C,Zhang AL,Roomans GM

更新日期：2000-01-01 00:00:00

abstract：:We have recently demonstrated that the three principal mammalian isoforms of transforming growth factor beta (TGF-beta) exert distinct effects upon: (1) the migration of confluent adult fibroblasts into 3D gels of native type I collagen fibres (i.e. TGF-beta-1 and -2 had no apparent motogenic activity, whilst TGF-beta...

journal_title：Cell biology international

authors： Ellis IR,Banyard J,Schor SL

更新日期：1999-01-01 00:00:00

abstract：:A method based on the measurement at room temperature of tryptophan phosphorescence (RTTP) gives the unique possibility to investigate the dynamic structure of membrane proteins without their isolation from cells. This method was used to study the influence of tert- butyl hydroperoxide (t -BHP) on Chinese hamster fibr...

journal_title：Cell biology international

authors： Mazhul V,Shcherbin D,Zavodnik I,Rekawiecka K,Bryszewska M

更新日期：1999-01-01 00:00:00

abstract：:The rates of intracellular protein degradation, of identically labelled populations of proteins, were compared in hepatocytes cultured at 37 degrees (on an adsorbed collagen layer) and in cells preserved on gelatin gels at 10 degrees C. The half-lives of the long-lived proteins were 35.4+/-8.6 h (N=4) and 692.9+/-216....

journal_title：Cell biology international

authors： Evans PJ

更新日期：1999-01-01 00:00:00

abstract：:Arginine vasopressin (AVP)-induced tyrosine phosphorylation was studied in a rat smooth muscle cell line, A-10, by western blotting, using a monoclonal antibody against phosphotyrosine. AVP stimulated the phosphorylation of several cellular proteins of molecular mass 60-130 kDa in a time- and dose-dependent manner. Ph...

journal_title：Cell biology international

authors： Gonzalez CB,Reyes CE,Figueroa CD,Barra V,Troncoso S

更新日期：1999-01-01 00:00:00

abstract：:Aphidicolin, a selective inhibitor of DNA polymerase, totally blocks DNA replication in the micronucleus but not in the macronucleus of Paramecium caudatum. The ciliates no longer divide and after 4 days the DNA content of the macronucleus has increased by 64%. Concomitantly the cell volume has increased by 53%. ...

journal_title：Cell biology international

authors： Sabaneyeva E,Tao W,Verbelen JP

更新日期：1999-01-01 00:00:00

abstract：:Hepatic heat shock protein Hsp70 synthesis and in vitro phosphorylation were studied in the liver cytosol of intact, adrenalectomized and dexamethasone-administered adrenalectomized rats after 41 degrees C whole body hyperthermic stress. Hsp70 was detected by immunoblotting with N27F3-4 monoclonal antibody recognizing...

journal_title：Cell biology international

authors： Cvoro A,Dundjerski J,Trajković D,Matić G

更新日期：1999-01-01 00:00:00

abstract：:The size and number of secretory granules in late larval salivary glands of Drosophila melanogaster have been related to interecdysial and early metamorphic development represented by well-known puffs in polytene chromosomes. Interecdysial period (puff stage 1 (PS1)) is characterized by presence of numerous small gran...

journal_title：Cell biology international

authors： Farkas R,Suáková G

更新日期：1999-01-01 00:00:00

abstract：:The protein encoded by the proto-oncogene c-fos is constitutively nuclear in most cell types analyzed. It has a predicted molecular weight of about 55 kDa. Proteins with a molecular weight above 40 kDa cannot enter the nucleus passively. Our interest was to study which regions in the protein are involved in the nuclea...

journal_title：Cell biology international

authors： Campos MA,Kroon EG,Gentz R,Ferreira PC

更新日期：1999-01-01 00:00:00

abstract：:Calcium loss and muscle atrophy are two of the main metabolic changes experienced by astronauts and crew members during exposure to microgravity in space. Calcium and cytoskeletal events were investigated within sea urchin embryos which were cultured in space under both microgravity and 1 g conditions. Embryos were fi...

journal_title：Cell biology international

authors： Schatten H,Chakrabarti A,Taylor M,Sommer L,Levine H,Anderson K,Runco M,Kemp R

更新日期：1999-01-01 00:00:00

abstract：:Cytoplasmic proteins with binding capability to AU-rich instability determinant sequences (ARE) of tumour necrosis factor alpha (TNFalpha) mRNA 3' untranslated region (3'UTR) were assessed in human lymphoid cells. In vitro label transfer experiments using wild type as well as mutant sequences in which the 70 nucleotid...

journal_title：Cell biology international

authors： Henics T

更新日期：1999-01-01 00:00:00

abstract：:Electrotonic coupling among neurons in the vertebrate, and more specifically the mammalian, brain has now been demonstrated to exist in all major brain subdivisions and in the spinal cord. For many of these brain areas, recent studies have investigated the possibilities of modulation of that coupling by synaptically r...

journal_title：Cell biology international

authors： Hatton GI

更新日期：1998-11-01 00:00:00

abstract：:The objective of this study was to determine if adenosine alters growth of mammary epithelium. Mouse mammary epithelial cells (NMuMG) were cultured in DMEM supplemented with 10% fetal calf serum. After serum starvation for 24 h, EGF (0-100 ng/ml) and/or adenosine (0-100 microM) was added. Adenosine at concentrations o...

journal_title：Cell biology international

authors： Yuh IS,Jang BB,Hong BJ

更新日期：1998-01-01 00:00:00

abstract：:To investigate the role of peroxisome proliferator-activated receptor gamma (PPARgamma) in adipocyte formation within the skeletal muscle of beef cattle, fibroblast-like cells were isolated from the longissimus muscle of cattle and cultured with activators of murine PPARgammaA thiazolidinedione T-174, which is a speci...

journal_title：Cell biology international

authors： Torii SI,Kawada T,Matsuda K,Matsui T,Ishihara T,Yano H

更新日期：1998-01-01 00:00:00

abstract：:Protein expression during the early development of Xenopus has been followed by 2D-polyacrylamide gel electrophoresis (PAGE). The analysis of two-dimensional maps of eggs and embryos at different stages of development has allowed the separation of more than 2000 spots. Identification of numerous polypeptides was obtai...

journal_title：Cell biology international

authors： Tedeschi G,Bernardini G,Mortarino M,Negri A,Ceciliani F,Ronchi S

更新日期：1998-01-01 00:00:00

abstract：:The intranucleolar chromatin has been detected by feeding HeLa cells with bromodeoxyuridine and then using an immunocytochemical technique for its detection at the ultrastructural level. Labelling was mainly observed on the dense fibrillar component (DFC), which surrounds the fibrillar centres (FC). Labelling could al...

journal_title：Cell biology international

authors： Ghosh S,Paweletz N

更新日期：1998-01-01 00:00:00

abstract：:The action of theophylline on the uptake of alpha-aminoisobutyric acid (AIB; an indicator of anti-inflammatory potency) stimulated by the glucocorticoid, dexamethasone, in cultured rat fibroblast monolayers was evaluated. Theophylline alone (0.1 m m) did not show significant activity (3314+/-27 cpm) compared with the ...

journal_title：Cell biology international

authors： Xenos K,Kalogeromitros D,Markantonis SL,Katsambas A,Katsarou A

更新日期：1998-01-01 00:00:00

abstract：:The authors examined the growth response of cardinal ligamental fibroblasts derived from patients with prolapsus uteri (HPLiF) and compared it with the response of those from control subjects (HCLiF). The growth rate during the logarithmic growth phase was not different between HPLiF and HCLiF, while the cell density ...

journal_title：Cell biology international

authors： Yamamoto M,Aoyagi M,Akazawa K,Tajima S,Yamamoto K

更新日期：1998-01-01 00:00:00

abstract：:Fibrinogen participates in important cellular physiological processes, such as cell adhesion and blood clotting. Although the primary and secondary structures of fibrinogen are known, its tertiary structure is yet to be determined. In attempts to understand the tertiary structure of this important hydrated cellular an...

journal_title：Cell biology international

authors： Taatjes DJ,Quinn AS,Jenny RJ,Hale P,Bovill EG,McDonagh J

更新日期：1997-11-01 00:00:00

abstract：:In this paper the radioresistance of human erythrocytes to radiation-induced haemolysis was studied by means of the split-dose technique. Human erythrocytes suspended in an isotonic Na-phosphatase buffer, pH 7.4 were exposed under air to gamma radiation. Erythrocytes were irradiated with a single dose of 2.7 kGy and w...

journal_title：Cell biology international

authors： Zaborowski A,Szweda-Lewandowska Z

更新日期：1997-09-01 00:00:00

abstract：:The effect of piperine on the fertilization of eggs with sperm was investigated in female hamsters. They were intragastrically treated with piperine at doses of 50 and 100 mg/kg BW from day 1 through day 4 of the oestrous cycle. During piperine treatment, these females were superovulated and artificially inseminated (...

journal_title：Cell biology international

authors： Piyachaturawat P,Pholpramool C

更新日期：1997-07-01 00:00:00

abstract：:While much evidence indicates a high degree of spatial organization in the nucleus, the underlying molecular structures that support it remain poorly characterized. By extracting with high concentrations of RNase A in a modification of the sequential extraction protocol of Penman, we have identified a novel intranucle...

journal_title：Cell biology international

authors： Padros MR,Giles DM,Suarez MD

更新日期：1997-06-01 00:00:00

abstract：:Ricin is internalized after binding at the cell surface via lectin activity of the B-chain recognizing terminal galactose residues. Ricin-A chain is then translocated to the cytosol from various endocytic structures. Cell death is the result of catalytic inactivation of protein synthesis. Using (125)I-ricin overlays, ...

journal_title：Cell biology international

authors： Alami M,Taupiac MP,Beaumelle B

更新日期：1997-03-01 00:00:00

abstract：:CO25 cells, a mouse myoblast line, contain multiple centrioles and primary cilia. A most unusual feature has been the finding of large numbers of separate structures in single cells-up to a maximum of nine centrioles, six primary cilia, and 12 of both organelles together. Aberrant multipolar spindles were occasionally...

journal_title：Cell biology international

authors： Zeytinoglu M,Ritter J,Wheatley DN,Warn RM

更新日期：1996-12-01 00:00:00

abstract：:The anti-desmin monoclonal antibodies (MAbs) DSB389, AC54, and DSB860 recognize intermediate filaments (IFs) and nuclear antigens that appear granular, locate around chromosomes, and are insoluble following 0.5% Triton X-100 and cetyltrimethylammonium bromide (CTAB) extraction. Nuclear antigens of the MAbs were search...

journal_title：Cell biology international

authors： Kamei H

更新日期：1996-11-01 00:00:00