Role of the valence of concanavalin A in the activation of guinea pig polymorphonuclear leukocytes.

abstract：:Under unfavorable conditions for growth, haploid myxoamoebae of Physarum polycephalum retracted their pseudopodia and changed their cell shape into disk-like form, after which they constructed the cell walls to form microcysts. These morphological changes of haploid cells were associated with changes in intracellular ...

journal_title：Cell structure and function

authors： Shimada Y,Kasakura T,Yokota M,Miyata Y,Murofushi H,Sakai H,Yahara I,Murakami-Murofushi K

更新日期：1992-10-01 00:00:00

abstract：:The change in distribution of centrosomal phosphoproteins was examined in sea urchin eggs from fertilization to the first cleavage by immunofluorescence staining with the anti-phosphoprotein antibodies, MPM-1 and MPM-2. The antibodies reacted with female pronuclei in unfertilized eggs as well as centriolar complexes l...

journal_title：Cell structure and function

authors： Kuriyama R,Rao PN,Borisy GG

更新日期：1990-02-01 00:00:00

abstract：:The unique Physarum lysophosphatidic acid, PHYLPA, having a cyclopropane in the fatty acid moiety and a cyclic phosphate at C-2 and C-3 positions of the glycerol, inhibited proliferation of human fibroblast cells, TIG-3 and TIG-7, which were cultured in a chemically defined (serum-free) medium. The cells at S- and M-p...

journal_title：Cell structure and function

authors： Murakami-Murofushi K,Kaji K,Kano K,Fukuda M,Shioda M,Murofushi H

更新日期：1993-10-01 00:00:00

abstract：:The fine structural localization of albumin in rat liver parenchymal cells was determined by an improved immunocytochemical method and serial sectioning. Albumin in the secretory apparatus of the parenchymal cells was present in segments of the rough endoplasmic reticulum, interrupted with negative segments, in transp...

journal_title：Cell structure and function

authors： Yokota S,Fahimi DH

更新日期：1987-06-01 00:00:00

abstract：:Human keratinocytes have been serially cultivated in low (0.015 mM) and high (1.8 mM) calcium containing medium. The calcium concentration of the growth medium significantly influenced the cell growth period in vitro. Cells grown in low calcium medium underwent 35-40 population doublings over 16-17 passages, while cel...

journal_title：Cell structure and function

authors： Rockwell GA,Johnson G,Sibatani A

更新日期：1987-12-01 00:00:00

abstract：:Murine tracheal epithelial cell lines, TM01 and TM02-3, were established from a primary culture of tracheal cells of adult transgenic mice bearing a temperature-sensitive simian virus (SV40) large T-antigen gene. Both TM01 and TM02-3 cells, which grew until confluent monolayers were formed, maintained tight contact wi...

journal_title：Cell structure and function

authors： Sugiyama N,Tabuchi Y,Numata F,Uchida Y,Horiuchi T,Ishibashi K,Ono S,Obinata M,Furusawa M

更新日期：1998-06-01 00:00:00

abstract：:To evaluate the role of VAMP8/endobrevin in constitutive exocytosis, we have examined the exocytotic pathways of VAMP8 and human growth hormone, both GFP-tagged, by total internal reflection fluorescence microscopy (TIRF-M). Human GH-GFP and VAMP8-GFP were similarly expressed in small round vesicles and elongated tubu...

journal_title：Cell structure and function

authors： Okayama M,Arakawa T,Tanimura A,Mizoguchi I,Tajima Y,Takuma T

更新日期：2009-01-01 00:00:00

abstract：:Epidermal growth factor (EGF) was derivatized at the amino terminus with N-succinimidyl 3-(2-pyridyldithio)propionate and then cross-linked to the cysteinyl residues of alpha 2-macroglobulin (alpha 2M) via disulfide bonds. The EGF-alpha 2M conjugate delivered EGF into dense lysosomal fractions through binding to alpha...

journal_title：Cell structure and function

authors： Ito F,Ito S,Shimizu N

更新日期：1984-06-01 00:00:00

abstract：:Immunoblots of proteins extracted from the skin of a small viviparous fish (Xiphophorus) showed that a monoclonal antibody against human urokinase recognizes multiple molecular weight species of antigens. The immunoaffinity-purified antigens had serine-protease activity for the hydrolysis of a chromogenic substrate an...

journal_title：Cell structure and function

authors： Takahashi K,Wakamatsu Y,Ozato K,Wakayama Y

更新日期：1987-02-01 00:00:00

abstract：:In this study, we measured hydrogen peroxide (H2O2) release as one of the functions of mature eosinophils, and utilized it as a quantitative index. We demonstrated that 1) the human eosinophilic leukemia cell line, EoL-1, did not release H2O2 when stimulated with phorbol myristate acetate (PMA), but after culturing wi...

journal_title：Cell structure and function

authors： Ohtsu H,Yamauchi K,Yoshie O,Tanno Y,Saito H,Hayashi N,Takishima T

更新日期：1993-04-01 00:00:00

abstract：:Thyroid follicles in vivo are embedded in extracellular matrix (ECM). The composing epithelial cells are in close contact with ECM at the basal side. To examine cell-to-ECM interactions, we studied adhesion, proliferation and differentiation of porcine follicle cells monolayer-cultured on type I and IV collagen, fibro...

journal_title：Cell structure and function

authors： Toda S,Matsumura S,Yonemitsu N,Fujitani N,Terayama K,Funatsumaru S,Sugihara H

更新日期：1995-10-01 00:00:00

abstract：:Mouse embryonic stem (mES) cells can be maintained in undifferentiated state in the presence of a cytokine, leukemia inhibitory factor (LIF). Many investigators found that STAT3 activation is important for the maintenance of pluripotency by LIF. However, the downstream pathways of STAT3 activation are still unknown. T...

journal_title：Cell structure and function

authors： Ko SY,Kang HY,Lee HS,Han SY,Hong SH

更新日期：2006-01-01 00:00:00

abstract：:In view of the importance of vitamin A in the human immune system and the central role of interleukin-2 (IL-2) in the proliferation of T-lymphocytes, we examined the effects of all-trans-retinoic acid (ATRA) on the protein and gene expression of IL-2 in the human T-cell line HUT-78 when stimulated with either 12-O-tet...

journal_title：Cell structure and function

authors： Goto S,Okada N,Kaneko A,Isemura M

更新日期：2008-01-01 00:00:00

abstract：:Immunohistochemical analyses of estradiol, progesterone and progesterone receptor were carried out in human salivary gland and salivary adenoid cystic carcinoma. Immunoreactivity to estradiol and progesterone was found in cytoplasm of the cells of the excretory duct system within normal salivary glands, whereas the pr...

journal_title：Cell structure and function

authors： Ozono S,Onozuka M,Sato K,Ito Y

更新日期：1992-06-01 00:00:00

abstract：:Pericentric regions form epigenetically organized, silent heterochromatin structures that accumulate histone H3 lysine 9 tri-methylation (H3K9me3) and heterochromatin protein 1 (HP1), a methylated H3K9-binding protein. At pericentric regions, Suv39h is the major enzyme that generates H3K9me3. Suv39h also interacts dir...

journal_title：Cell structure and function

authors： Muramatsu D,Kimura H,Kotoshiba K,Tachibana M,Shinkai Y

更新日期：2016-12-03 00:00:00

abstract：:Contact reaction is the morphological expression of allogeneic recognition by hemocytes in the ascidian, Halocynthia roretzi; namely they undergo an exocytotic burst upon contact with non-self (allogeneic) hemocytes in vitro. We have found that contact reaction is accompanied by a burst of cyanide-insensitive oxygen c...

journal_title：Cell structure and function

authors： Akita N,Hoshi M

更新日期：1995-02-01 00:00:00

abstract：:Significant progress has been made toward our understanding of the basic principle of nucleocytoplasmic transport, and the structure of transport factors, as well as the diversity of nucleocytoplasmic transport pathways. This review outlines the current knowledge of transport, and discusses the problems that remain as...

journal_title：Cell structure and function

authors： Imamoto N

更新日期：2000-08-01 00:00:00

abstract：:To elucidate the cytotoxic mechanism of tumor necrosis factor (TNF), we isolated TNF-resistant sublines of L929 cells. As compared with L929 cells, TNF-resistant cells retained similar number and affinity of TNF-binding sites, and showed a similar growth rate. TNF stimulated arachidonate release from L929 cells, while...

journal_title：Cell structure and function

authors： Hayakawa M,Oku N,Takagi T,Hori T,Shibamoto S,Yamanaka Y,Takeuchi K,Tsujimoto M,Ito F

更新日期：1991-08-01 00:00:00

abstract：:Marvelous background rejection in total internal reflection fluorescence microscopy (TIR-FM) has made it possible to visualize single-fluorophores in living cells. Cell signaling proteins including peptide hormones, membrane receptors, small G proteins, cytoplasmic kinases as well as small signaling compounds have bee...

journal_title：Cell structure and function

authors： Sako Y,Uyemura T

更新日期：2002-10-01 00:00:00

abstract：:Interleukin 2 (IL-2) initiated proliferation of the cells of T-enriched population stimulated with non-mitogenic dose of concanavalin A (Con A), whereas it could not induce proliferation of the cells treated with non-mitogenic lectin wheat germ agglutinin (WGA). Use of monoclonal antibody (MAb) directed against interl...

journal_title：Cell structure and function

authors： Komada H,Nakabayashi H,Hara M,Hara M,Takahashi T,Morita J,Yoshida T,Takanari H,Izutsu K

更新日期：1989-04-01 00:00:00

abstract：:It was recently reported that intravenous administration of phorbol 12-myristate 13-acetate (PMA) showed a therapeutic effect in myelocytic leukemia patients. However, we previously observed that, in serum-free conditions, polymorphonuclear leucocytes (PMNs) were killed rapidly by exposure to PMA, suggesting the possi...

journal_title：Cell structure and function

authors： Suzuki K,Kato H,Sakuma Y,Namiki H

更新日期：2001-08-01 00:00:00

abstract：:The effects of heavy ion microbeams on muscle fibers isolated from mouse skeletal muscles were examined by electron microscopy. The plasma membranes of heavy ion beam-irradiated areas of muscle fibers showed irregular protrusions and invaginations. In the cytoplasm, an irregular distribution of microfilaments was foun...

journal_title：Cell structure and function

authors： Hino M,Wada S,Tajika Y,Morimura Y,Hamada N,Funayama T,Sakashita T,Kakizaki T,Kobayashi Y,Yorifuji H

更新日期：2007-01-01 00:00:00

abstract：:In the mitotic sea urchin egg, the spindle microtubules were composed of different tubulin isotypes from those of astral microtubules using monoclonal antibodies [Oka et al. (1990) Cell Motil. Cytoskeleton, 16, 239-250]. Three of the antibodies, D2D6, DM1B, and YL1/2, were specific for spindle microtubules, astral mic...

journal_title：Cell structure and function

authors： Oka MT,Arai T,Hamaguchi Y

更新日期：1991-04-01 00:00:00

abstract：:Here we describe the design and synthesis of a bifunctional two-photon fluorescence probe, N,N'-‍dimethyl-4,4'-(biphenyl-2,1-ethenediyl)dipyridinium hexafluorophosphate (BP6). HeLa, Hek293, and Paramecium caudatum cells were stained with BP6. BP6 accumulated on the mitochondria of all three cell types when the mitocho...

journal_title：Cell structure and function

authors： Moritomo H,Yamada K,Kojima Y,Suzuki Y,Tani S,Kinoshita H,Sasaki A,Mikuni S,Kinjo M,Kawamata J

更新日期：2014-01-01 00:00:00

abstract：:High voltage electric pulses, 1000 V/cm, were found to induce cell fusion efficiently when delivered to cells growing in a monolayer culture. The maximum yield of fused cells was about 30% of cells remaining after treatment. Colonies of interspecies hybrid cells between mouse and others also appeared with a frequency ...

journal_title：Cell structure and function

authors： Ishizaki K,Chang HR,Eguchi T,Ikenaga M

更新日期：1989-04-01 00:00:00

abstract：:Tenascin-C is an oligomeric glycoprotein of the extracellular matrix that has been found to have both adhesive and anti-adhesive properties for cells. Recent elucidation of the two major TNC splice variants (320 kDa and 220 kDa) has shed light on the possibility of varying functions of the molecule based on its splici...

journal_title：Cell structure and function

authors： Ghert MA,Qi WN,Erickson HP,Block JA,Scully SP

更新日期：2001-06-01 00:00:00

abstract：:A protein phosphatase inhibitor, tautomycin induces blebs on the surface of human myeloid leukemia K562 cells within 10 min. In this paper we examined the cytoskeleton of tautomycin-treated cells. In the presence of tautomycin, cells with blebs turned into segmented forms with smooth surfaces after 15 min and into smo...

journal_title：Cell structure and function

authors： Kurisaki T,Magae J,Nagai K,Hirata A,Kusaka I,Shinji H,Morikawa M,Yoshida T,Isono K,Yamasaki M

更新日期：1993-02-01 00:00:00

abstract：:Cholera toxin binding sites in frozen sections of rat thymus were studied by indirect immunofluorescence and were found to be localized selectively in the medulla of thymic lobules. By flow cytometric analysis, two populations of thymocytes differing in size and reactivity towards cholera toxin were detected; the smal...

journal_title：Cell structure and function

authors： Bouchon B,Iwamori M,Masago H,Nagai Y

更新日期：1987-08-01 00:00:00

abstract：:The cell cycle of HeLa S3 cells synchronized by hydroxyurea was investigated by flow cytometry. Metachromatic fluorochrome acridine orange was used to strain the DNA and RNA of the cells differentially. Periodic changes in the cellular DNA and RNA contents were observed through five cell cycles. The G1 and S phases of...

journal_title：Cell structure and function

authors： Fujikawa-Yamamoto K

更新日期：1983-09-01 00:00:00

abstract：:The Golgi stress response is a homeostatic mechanism that controls the capacity of the Golgi apparatus in accordance with cellular demands. When the capacity of the Golgi apparatus becomes insufficient (Golgi stress), transcription levels of Golgi-related genes encoding glycosylation enzymes, a Golgi structural protei...

journal_title：Cell structure and function

authors： Taniguchi M,Sasaki-Osugi K,Oku M,Sawaguchi S,Tanakura S,Kawai Y,Wakabayashi S,Yoshida H

更新日期：2016-07-30 00:00:00