Solubilization of aster-forming proteins from yeast: possible constituents of spindle pole body and reconstitution of asters in vitro.

abstract：:In the present study, we compared the abilities of ricin and diphtheria toxin to induce apoptosis in Vero cells. The cytolysis and DNA fragmentation by ricin paralleled its protein synthesis inhibitory activity. However, unlike ricin, diphtheria toxin could induce neither cytolysis nor DNA fragmentation in Vero cells ...

journal_title：Cell structure and function

authors： Kusano I,Kageyama A,Tamura T,Oda T,Muramatsu T

更新日期：2001-10-01 00:00:00

abstract：:To construct recombinant retroviruses with only a single active promoter, we introduced point mutations into the TATA box region of the 3'-LTR, and successfully obtained high-titer virus with sufficient self-inactivating activity. However, the viral titer could not be determined by the number of G418 resistant colonie...

journal_title：Cell structure and function

authors： Miyao Y,Shimizu K,Tamura M,Yamada M,Tamura K,Nakahira K,Kuriyama S,Hayakawa T,Ikenaka K

更新日期：1995-04-01 00:00:00

abstract：:Two monoclonal antibodies against alpha-tubulin (YL1/2 and D2D6) were microinjected into the egg of the sand dollar Clypeaster japonicus, and their effects on cleavage of the egg were investigated. They had already been shown by immunoblotting to react specifically with egg tubulin and by immunofluorescence to stain t...

journal_title：Cell structure and function

authors： Oka MT,Arai T,Hamaguchi Y

更新日期：1990-12-01 00:00:00

abstract：:The role of microtubule associated proteins (MAPs) on the dynamic instability of microtubules was examined under a dark-field microscope using bovine brain tubulin purified by DEAE-Sepharose column chromatography. In the absence of MAPs, the transition from the shortening phase to the growing phase (the rescue) occurr...

journal_title：Cell structure and function

authors： Itoh TJ,Hotani H

更新日期：1994-10-01 00:00:00

abstract：:All trans retinoic acid (ATRA), a differentiation inducer for human myeloid NB4 cells, induced accumulation of lipid droplet as determined by positivity of Nile Red and Oil Red O in this cell line. Granulocyte colony-stimulating factor (G-CSF), although not having detectable effect by itself, exerted the additive effe...

journal_title：Cell structure and function

authors： Inazawa Y,Nakatsu M,Yasugi E,Saeki K,Yuo A

更新日期：2003-10-01 00:00:00

abstract：:Cells of Euglena gracilis Klebs var. bacillaris Cori mutant W3BUL grown in darkness on Hutner's pH 3.5 medium without agitation accumulate wax ester. These cells have undeveloped proplastid remnants characteristic of this mutant. If these cells are transferred to an inorganic medium and bubbled with 2-3% CO2 in air, t...

journal_title：Cell structure and function

authors： Osafune T,Schiff JA,Hase E

更新日期：1987-10-01 00:00:00

abstract：:Hepatic stellate cells (HSCs), a mesenchymal cell type in hepatic parenchyma, have unique features with respect to their cellular origin, morphology, and function. Normal, quiescent HSCs function as major vitamin A-storing cells containing over 80% of total vitamin A in the body to maintain vitamin A homeostasis. HSCs...

journal_title：Cell structure and function

authors： Sato M,Suzuki S,Senoo H

更新日期：2003-04-01 00:00:00

abstract：:Many studies on in vitro transformation of human cells indicate that the cells must be immortalized before they can be neoplastically transformed, indicating that immortalization is a critical step in multistep neoplastic transformation of human cells. We immortalized three human cell lines by repeated treatment with ...

journal_title：Cell structure and function

authors： Mihara K,Iijima M,Kondo T,Namba M

更新日期：1996-04-01 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：:Developing cultures of dissociated cerebral hemispheres obtained from 18-day-old embryonic rats synthesized, or activated, a myelin-related enzyme, 2',3'-cyclic nucleotide 3'-phosphohydrolase (CNPase). This increase in activity coincided with the onset of myelination. The presence of CNPase in oligodendrocytes and mye...

journal_title：Cell structure and function

authors： Hirano S,Iwasaki-Mutou N,Asou H,Ogawa Y

更新日期：1985-09-01 00:00:00

abstract：:An immunocytochemical method using a specific monoclonal antibody was employed to detect DNA polymerase alpha in Drosophila melanogaster embryos during the first 13 nuclear division cycles after fertilization. The anti-DNA polymerase alpha antibody stained the ooplasm of the unfertilized egg, indicating that DNA polym...

journal_title：Cell structure and function

authors： Yamaguchi M,Kuroda K,Hirose F,Matsukage A

更新日期：1992-04-01 00:00:00

abstract：:The Saccharomyces cerevisiae autophagy-initiation complex, Atg1 kinase complex, consists of Atg1, Atg13, Atg17, Atg29, and Atg31, while the corresponding complex in most other eukaryotes, including mammals, is composed of ULK1 (or ULK2), Atg13, FIP200 (also known as RB1CC1), and Atg101. ULKs are homologs of Atg1, and ...

journal_title：Cell structure and function

authors： Noda NN,Mizushima N

更新日期：2016-01-01 00:00:00

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：:Stimulation of polymorphonuclear leukocytes (PMN) by tetravalent concanavalin A (alpha-ConA) induces membrane depolarization preceding the onset of superoxide anion (O2-) production. Both divalent and monovalent ConA analogues were studied to evaluate the role of valence. Monovalent ConA (m-ConA) was inactive in stimu...

journal_title：Cell structure and function

authors： Kuroki M,Kamo N,Kobatake Y,Abe Y,Ishii S

更新日期：1986-06-01 00:00:00

abstract：:Nonmuscle myosin II activity is regulated by phosphorylation of the myosin II regulatory light chain (MRLC) at Ser19 or at both Thr18 and Ser19, and the phosphorylation of MRLC promotes the contractility and stability of actomyosin. To analyze the states of MRLC phosphorylation at the leading edge in the motile HeLa c...

journal_title：Cell structure and function

authors： Uchimura T,Fumoto K,Yamamoto Y,Ueda K,Hosoya H

更新日期：2002-12-01 00:00:00

abstract：:A granulocyte colony-stimulating factor (G-CSF) was highly purified from the serum-free culture medium of RSP -2 X P3 cells. The G-CSF had an apparent molecular weight of 33,000 as determined by high speed gel permeation chromatography, but its molecular weight was decreased to 15,000 by 0.1% sodium dodecyl sulfate. A...

journal_title：Cell structure and function

authors： Tsuneoka K,Shikita M

更新日期：1984-03-01 00:00:00

abstract：:Vascular endothelial cells possess antithrombotic properties, which are determined by the balance between plasminogen activators (PAs) and PA inhibitors (PAls). A cell line, TKM-33, has been established and cloned from human umbilical vein endothelial cells, was previously reported to produce a large amount of urokina...

journal_title：Cell structure and function

authors： Ueshima S,Matsumoto H,Izaki S,Mitsui Y,Fukao H,Okada K,Matsuo O

更新日期：1999-04-01 00:00:00

abstract：:Cofilin, a 21kDa actin-binding protein, binds to F-actin in a 1:1 molar ratio of cofilin to actin molecule (Nishida, E., S. Maekawa, and H. Sakai, Biochemistry, 23, 5307-5313, 1984) and is capable of controlling actin polymerization and depolymerization in vitro in a pH-sensitive manner (Yonezawa, N., E. Nishida, and ...

journal_title：Cell structure and function

authors： Yonezawa N,Nishida E,Koyasu S,Maekawa S,Ohta Y,Yahara I,Sakai H

更新日期：1987-10-01 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：:The relative fibrin-binding, fibrinolytic and fibrinogenolytic properties of single-chain pro-urokinase, an inactive proenzyme form of human urokinase purified from cultured human kidney cells, and urokinase were compared. The affinity of single-chain pro-urokinase for fibrin was much higher than that of urokinase. In...

journal_title：Cell structure and function

authors： Kasai S,Arimura H,Nishida M,Suyama T

更新日期：1985-06-01 00:00:00

abstract：:Retinoids (retinoic acid and its analogs) are widely involved in the control of cell proliferation, cell differentiation and embryonic development. A series of potent and novel synthetic retinoids named retinobenzoic acids has been developed. Retinobenzoic acids have proven to be useful tools in the investigation of t...

journal_title：Cell structure and function

authors： Hashimoto Y

更新日期：1991-04-01 00:00:00

abstract：:Histone modifications play critical roles in the epigenetic regulation of gene expression and in the maintenance of genome integrity. Acetylation and methylation of histone H3 are particularly important in gene activation and silencing. We generated and characterized a panel of mouse monoclonal antibodies that specifi...

journal_title：Cell structure and function

authors： Kimura H,Hayashi-Takanaka Y,Goto Y,Takizawa N,Nozaki N

更新日期：2008-01-01 00:00:00

abstract：:The substance in sperm which induces the activation of eggs at fertilization has yet to be elucidated. Osawa et al. reported that the soluble extract of sperm (spex) causes inositol 1,4,5-trisphosphate (IP3)-induced Ca2+ release (IICR) in fertilized eggs of sea urchins when externally applied [Osawa et al., (1992). Zo...

journal_title：Cell structure and function

authors： Osawa M

更新日期：1994-04-01 00:00:00

abstract：:Previously, we serially transplanted tumors that produced colony-stimulating factor (CSF) into nude mice, who developed marked granulocytosis along with tumor growth; their leukocyte counts reaching approximately one million per cu mm. The numbers of CFU-GM, CFU-E, CFU-Meg, CFU-S and BFU-E were increased in nude mice ...

journal_title：Cell structure and function

authors： Takeda K,Suda T,Sudo T,Miura Y

更新日期：1987-06-01 00:00:00

abstract：:Numerous types of cancer cells migrate into extracellular tissues. This phenomenon is termed invasion, and is associated with poor prognosis in cancer patients. In this study, we demonstrated that filamin B (FLNb), an actin-binding protein, is highly expressed in cancer cell lines that exhibit high invasiveness, with ...

journal_title：Cell structure and function

authors： Iguchi Y,Ishihara S,Uchida Y,Tajima K,Mizutani T,Kawabata K,Haga H

更新日期：2015-01-01 00:00:00

abstract：:A monoclonal type M-immunoglobulin (IgM) was generated in mice against a nuclease-urea extract of HeLa metaphase chromosomes. This antibody stains metaphase chromosomes from a variety of mammalian cultured cell types by indirect immunofluorescence. Antibody 12C7 reacts by western transfer technique with histone H1 in ...

journal_title：Cell structure and function

authors： Ortiz M,Bejarano LA,Rendón MC,Martin G,Brinkley BR,Valdivia MM

更新日期：1991-08-01 00:00:00

abstract：:To investigate the mechanism of myogenic differentiation, we are using quail myoblast cells (QM cells) transformed with a temperature-sensitive mutant of Rous sarcoma virus (ts-RSV), termed QM-RSV cells. At 35.5 degrees C, a permissive temperature for RSV, QM-RSV cells repeatedly proliferate without differentiation, b...

journal_title：Cell structure and function

authors： Hase H,Hirayama E,Kim J

更新日期：1996-02-01 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：:Two-dimensional gel electrophoresis revealed two protein spots, a (molecular weight 70,000, pI 4.6) and b (molecular weight 69,000, pI 4.4) in PC-12 cells (rat pheochromocytoma cells). When the cells were induced to differentiate with nerve growth factor, the amount of protein in spot a, and later spot b increased wit...

journal_title：Cell structure and function

authors： Noguchi S,Muramatsu T,Koike T

更新日期：1987-02-01 00:00:00

abstract：:It has been shown that in PC12 and its subclone PC12h treatment of the cells with nerve growth factor (NGF) induces a selective decrease in the incorporation of radioactive phosphate into a 100,000-dalton protein, designated in an earlier study as Nsp100, in the subsequent phosphorylation of soluble extracts from cell...

journal_title：Cell structure and function

authors： Hashimoto S,Hagino A

更新日期：1989-02-01 00:00:00