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  • Cell & Developmental Biology  (33)
  • Electronic structure and strongly correlated systems  (31)
  • Molecular Sequence Data  (13)
  • Analytical Chemistry and Spectroscopy  (11)
  • 1
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    Chemical and orbital fluctuations in Ba_{3} CuSb_{2} O_{9} (2016)
    American Physical Society (APS)
    Details
    Publication Date: 2016-06-08
    Description: Author(s): Yusuke Wakabayashi, Daisuke Nakajima, Yuki Ishiguro, Kenta Kimura, Tsuyoshi Kimura, Satoshi Tsutsui, Alfred Q. R. Baron, Kouichi Hayashi, Naohisa Happo, Shinya Hosokawa, Kenji Ohwada, and Satoru Nakatsuji Structural fluctuation in Ba 3 CuSb 2 O 9 , which is proposed to exhibit a spin-orbital entangled state, has been studied by diffuse x-ray scattering, x-ray fluorescence holography, and inelastic x-ray scattering. Two kinds of spatial fluctuations are observed: temperature-independent and temperature-depe… [Phys. Rev. B 93, 245117] Published Tue Jun 07, 2016
    Keywords: Electronic structure and strongly correlated systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 2
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    Anisotropic magnetodielectric effect in the honeycomb-type magnet α−RuCl_{3} (2017)
    American Physical Society (APS)
    Details
    Publication Date: 2017-06-06
    Description: Author(s): Takuya Aoyama, Yoshinao Hasegawa, Shojiro Kimura, Tsuyoshi Kimura, and Kenya Ohgushi The magnetoelectric coupling in possible Kitaev spin liquid α − RuCl 3 with the layered honeycomb structure was examined. We observed a remarkable anisotropic magnetodielectric effect in the zigzag-type antiferromagnetic phase; there is a large suppression in dielectric constant, when both electric and… [Phys. Rev. B 95, 245104] Published Mon Jun 05, 2017
    Keywords: Electronic structure and strongly correlated systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 3
    Electronic Resource
    Electronic Resource
    Action of tolytoxin on cell morphology, cytoskeletal organization, and actin polymerization (1993)
    New York, NY : Wiley-Blackwell
    Cell Motility and the Cytoskeleton 24 (1993), S. 39-48 
    Details
    ISSN: 0886-1544
    Keywords: actin ; microfilament ; stress fiber ; cytochalasin ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Tolytoxin, a cytostatic, antifungal macrolide produced by blue-green algae of the genus Scytonema, is a potent, reversible inhibitor of cytokinesis in cultured mammalian cells. Treatment of KB cells with 2-16 nM tolytoxin results in profound morphological changes, beginning with the formation of zeiotic processes and culminating in nuclear protrusion. In L1210 cells, cytokinesis is inhibited by as little as 2 nM tolytoxin, while karyokinesis proceeds normally, resulting in polynucleation. Tolytoxin specifically disrupts microfilament organization in A10 cells, while having no apparent effect on microtubules or intermediate filaments. Tolytoxin inhibited actin polymerization in vitro and also caused the depolymerization or fragmentation of F-actin in vitro. Tolytoxin exhibits effects that closely resemble those of cytochalasin B but is effective at concentrations 1/50-1/1,000 that of cytochalasin B. © 1993 Wiley-Liss, Inc.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cm.970240105
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  • 4
    Electronic Resource
    Electronic Resource
    Affinity binding of hamster oviductin to spermatozoa and its influence on in vitro fertilization (1994)
    New York, NY [u.a.] : Wiley-Blackwell
    Molecular Reproduction and Development 39 (1994), S. 322-327 
    Details
    ISSN: 1040-452X
    Keywords: Oviduct ; Glycoprotein ; Gamete recognition ; Acrosome ; Cumulus oophorus ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: The aim of this study was to determine the influence of hamster oviductal glycoprotein (Oviductin) on in vitro gamete interaction. Oviductin was purified from the oviducts using lithium 3,5-diiodosalicylate, followed by phenol extraction. Immunocytochemistry using indirect fluorescence staining revealed that oviductin binds to the sperm anterior acrosomal region. The specific binding of oviductin resulted in inhibition of in vitro fertilization in studies using cumulus-free oocytes. The inhibitory effect was dependent on the concentration of oviductin and occurred in both ovarian and oviductal oocytes but not zona-free oocytes, indicating that sperm-zona interaction was interferred by oviduction. However, the inhibitory effect of oviductin sperm-zona interaction was reduced when cumulus-enclosed oocytes from ovaries and oviducts were used, indicating that the egg investment including cumulus oophorus has some effect on oviductin-sperm complex and maintaining the fertilizing ability. © Wiley-Liss, Inc.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrd.1080390309
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  • 5
    Electronic Resource
    Electronic Resource
    Determination of kerosene and light oil components in blood (1991)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 20 (1991), S. 493-497 
    Details
    ISSN: 1052-9306
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A sensitive and rapid method to analyse fuel components in blood from rats exposed to kerosene or light oil vapour was developed by making use of capillary gas chromatography/mass spectrometry. The aliphatic hydrocarbons with carbon numbers 8-10 and aromatics such as toluene, xylene, 3- and 4-ethyltoluene and trimethylbenzenes were clearly detected in blood from rats exposed to kerosene or light oil vapour, using the head-space method combined with the salting-out technique. The concentration ratio of pseudocumene to toluene in blood exposed to light oil was higher than that in the case of exposure to kerosene. The lower limits of detection were 50 pg and 1 ng in toluene and pseudocumene, respectively. Our suggestion is that this method is useful in forensic investigations to detect fuel components in blood and for the purposes of differentiating kerosene and light oil in blood tissues.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bms.1200200810
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  • 6
    Electronic Resource
    Electronic Resource
    Histological and enzyme histochemical studies on the nephrons of the freshwater fishes, Cyprinus carpio and Carassius auratus (1982)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 173 (1982), S. 29-33 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The nephrons of carp (Cyprinus carpio) and goldfish (Carassius auratus) were examined histologically and also histochemically for enzymes. In both species the distal and collecting tubules have much wider lumens than do the other renal tubules; thus urine probably flows more slowly in these larger tubules. Enzyme histochemistry shows that epithelium of the neck and proximal and intermediate tubules respires anaerobically. whereas that of the distal and collecting tubules respires aerobically. The distribution of Na-K-ATPase in the distal and collecting tubules indicates that they also transport sodium actively. The slow flow of urine and the energy produced by aerobic metabolism probably increase the efficiency of active transport.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051730104
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  • 7
    Electronic Resource
    Electronic Resource
    Palmar and plantar pads and flexion creases of the rat (Rattus norvegicus) (1994)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 220 (1994), S. 237-242 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The recent detection of dermal ridge configurations on the volar pads of the rat (Rattus norvegicus) has created opportunities for experimental studies of dermatoglyphics. In the present work, the palmar and plantar surfaces of the rat were studied to establish the feasibility of comparative rat and human dermatoglyphic investigations. The studied features included the volar pads and flexion creases. The number and location of the palmar and plantar pads in the rat were found to be similar to those of humans. The exception was a previously unrecognized small pad on the palms and soles of the rat, located on the radial and tibial side, respectively, of the proximal component of the first interdigital pad. This pad has no parallel in human embryos. Rats were found to have flexion creases in the non-pad areas between the neighboring pads, similar in location and appearance to those of humans. Unlike humans, however, rats also have boundary creases, separating the pad and non-pad areas. The marked similarities in the morphology of the volar areas between rats and humans make the rat ideally suitable for experimental studies of dermatoglyphics and flexion creases. Results of such studies should be applicable to human developmental dermatoglyphics, including those pertaining to medical disorders. © 1994 Wiley-Liss, Inc.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1052200303
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  • 8
    Electronic Resource
    Electronic Resource
    Induction of fibronectin expression, actin cable formation, and entry into S phase following reexpression of T antigen in mouse macrophages transformed by the tsA640 mutant of SV40 (1986)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 128 (1986), S. 271-278 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Mouse macrophages transformed by a temperature-sensitive mutant (tsA640) of simian virus 40 (SV40) were examined by immunofluorescence microscopy for fibronectin expression and actin distribution. Resting cultures of tsA640 transformants incubated at a temperature nonpermissive for SV40 large T antigen (39.0°C) exhibited phagocytic activity and did not exhibit cellular fibronectin and actin cables, like primary cultures of resident macrophages. When the resting cultures were sparsely seeded and shifted down to the permissive temperature of 33.0°C, expression of large T antigen in the nucleus, expression of fibronectin in the cytoplasm, and cellular entry into S phase occurred in that temporal order, followed by actin cable formation, cellular proliferation, and diminishment of phagocytic activity. The expression of T antigen and fibronectin was sensitive to actinomycin D and cycloheximide. The expression of fibronectin was insensitive to inhibitors of DNA synthesis, whereas the expression of actin cables was sensitive. These results suggest that SV40 T antigen leads macrophages to express fibronectin and actin cables, as well as resumption of cell proliferation, and that entry into S phase is not required for fibronectin expression but may be required for actin cable formation.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1041280219
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  • 9
    Electronic Resource
    Electronic Resource
    Platelet-derived growth factor/sis in normal and neoplastic cell growth (1987)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 133 (1987), S. 95-99 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Platelet-derived growth factor (PDGF) is the major growth factor in serum and a potent mitogen for cells mesenchymal origin. It is a highly basic heterodimeric protein with a molecular mass of -30 kDa and binds to a cell surface receptor with high affinity. The amino acid sequence of PDGF revealed sequence homology to the v-sis gene product of simian sarcoma virus (SSV), a transforming retrovirus. Characterization of cells transformed by SSV has revealed PDGF-related proteins in subcellular organelles and in conditioned media consistent with the autocrine stimulation of cell growth through cell surface receptors and perhaps through an internal autocrine mechanism as the growth factor and its receptor are processed. PDGF is also a potent chemotactic agent for inflammatory and other mesenchymal cells and has been implicated in normal tissue repair processes such as wound healing, as well as in aberrant proliferative processes like atherogenesis.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1041330418
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  • 10
    Electronic Resource
    Electronic Resource
    Induction of endoreduplication in temperature-sensitive mutants of rat 3Y1 fibroblasts (1985)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 122 (1985), S. 210-214 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Four temperature-sensitive mutants of rat 3Y1 fibroblasts belonging to separate complementation groups (3Y1tsD123, 3Y1tsF121, 3Y1tsG125, and 3Y1tsH203) are arrested mainly with a 2C DNA content, when cells proliferating at 33.8°C are shifted up to 39.8°C (Ohno et al., 1984). Zaitsu and Kimura (submitted for publication) showed that 3Y1tsF121 cells synchronized in the early S phase were arrested with a 4C DNA content at 39.8°C. We studied the traverse through the S and G2 phases at 39.8°C in the four ts mutants synchronized at the early S phase and found that 3Y1tsG125 and 3Y1tsH203 cells were arrested with a 4C DNA content as 3Y1tsF121, while 3Y1tsD123 cells went through S and G2 phases and underwent mitosis. When 3Y1tsF121 and 3Y1tsG125 mutants arrested at 39.8°C were shifted down to 33.8°C, a substantial fraction of the cells with a 4C DNA content started, with a certain lag period, DNA synthesis without intervening mitosis and underwent the first mitosis with a lag period similar to that in the cells arrested with a 2C DNA content. The tetraploid cells thus generated had a proliferating ability lower than that of diploid cells.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1041220208
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