Faculty Profiles - SATO, Chihiro

Papers - SATO, Chihiro

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Complex formation of 70-kDa heat shock protein with acidic glycolipids and phospholipids. Reviewed

Harada Y, Sato C, Kitajima K.

Biochem Biophys Res Commun. Vol. 353 page： 655-660 2007

The rainbow trout CMP-sialic acid synthetase utilises a nuclear localization signal different from that identified in the mouse enzyme. Reviewed

Tiralongo J, Fujita A, Sato C, Kitajima K, Lehmann F, Oschlies M, Gerardy-Schahn R, Munster-Kuhnel AK.

Glycobiology Vol. 17 page： 945-954 2007

Identification of an inflammation-inducible serum protein recognized by anti-disialic acid antibodies as carbonic anhydrase II. Reviewed

Yasukawa, Z., Sato, C., and Kitajima, K.

J Biochem. Vol. 141 page： 429-441 2007

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

Acute phase proteins are an important marker of inflammation and sometimes have a role in the general defense response towards tissue injury. In the present study, we identified a 32 kDa protein that was immunoreactive with monoclonal antibody 2-4B (mAb.2-4B), which is specific to di/oligoNeu5Gc structures, and that behaved as an acute phase protein following stimulation with either turpentine oil or lipopolysaccharides. The 32 kDa protein was identified as carbonic anhydrase II (CA-II), based on matrix-assisted laser desorption/ionization time-of-flight mass spectrometry analyses of the purified protein. Mouse and human CA-II was immunoreactive and immunoprecipitated with mAb.2-4B, but contained no sialic acid. In addition to mAb.2-4B, the mAb. S2-566 an antibody specific for diNeu5Ac-containing glycans, recognized the CA-II, whereas an anti-oligo/polysialic acid antibody did not. These results indicate that a part of the CA-II protein structure mimics the disialic acid structure recognized by the monoclonal antibodies. This is the first report that CA-II circulates in the serum following inflammation.

シアル酸の構造多様性とその生物学的意義. Invited

北島　健、郷　慎司、藤田　明子、佐藤ちひろ

細胞工学 Vol. 26 page： 629-634 2007

Membrane microdomain formation is crucial in epiboly during gastrulation of medaka. Reviewed

Adachi, T., Sato, C., and Kitajima, K.

Biochem. Biophys. Res. Commun. Vol. 355 page： 174-180 2007

Development of sensitive chemical and immunochemical methods for detecting sulfated sialic acids and their application to glycoconjugates from sea urchin sperm and eggs Reviewed

Yamakawa, N., Sato C., Miyata, S., Maehashi, E., Toriyama, T., Sato, N., Furuhata, K., and Kitajima. K.

Biochimie Vol. 89 page： 1396-1408 2007

Glycobiology of polysialic acids on sea urchin gametes. Invited Reviewed

Miyata, S., Sato, C., and Kitajima, K.

Trends Glycosci. Glycotech. Vol. 19 page： 83-95 2007

Hypoxia-enhanced expression of free deaminoneuraminic acid in human cancer cells. Reviewed

Go, S., Sato, C., Yin, J., Kannagi, R., and Kitajima, K.

Biochem. Biophys. Res. Commun. Vol. 357 page： 537-542. 2007

Identification of the nuclear export signals that regulate the intracellular localization of the mouse CMP-sialic acid synthetase. Reviewed

Fujita, A, Sato C, and Kitajima, K.

Biochem. Biophys. Res. Commun. Vol. 355 page： 174-180 2007

The rainbow trout CMP-sialic acid synthetase utilises a nuclear localization signal different from that identified in the mouse enzyme. Reviewed

Tiralongo J, Fujita A, Sato C, Kitajima K, Lehmann F, Oschlies M, Gerardy-Schahn R, Munster-Kuhnel AK

Glycobiology Vol. 17 page： 945-954 2007

Development of sensitive chemical and immunochemical methods for detecting sulfated sialic acids and their application to glycoconjugates from sea urchin sperm and eggs Reviewed

Yamakawa, N, Sato C, Miyata, S, Maehashi, E, Toriyama, T, Sato, N, Furuhata, K, Kitajima. K

Biochimie Vol. 89 page： 1396-1408 2007

Complex formation of 70-kDa heat shock protein with acidic glycolipids and phospholipids. Reviewed

Harada Y, Sato C, Kitajima K

Biochem Biophys Res Commun. Vol. 353 page： 655-660 2007

シアル酸の構造多様性とその生物学的意義. Invited

北島健, 郷慎司, 藤田明子, 佐藤ちひろ

細胞工学 Vol. 26 page： 629-634 2007

Glycobiology of polysialic acids on sea urchin gametes. Invited Reviewed

Miyata, S, Sato, C, Kitajima, K

Trends Glycosci. Glycotech. Vol. 19 page： 83-95 2007

Membrane microdomain formation is crucial in epiboly during gastrulation of medaka. Reviewed

Adachi, T, Sato, C, Kitajima, K

Biochem. Biophys. Res. Commun. Vol. 355 page： 174-180 2007

Identification of the nuclear export signals that regulate the intracellular localization of the mouse CMP-sialic acid synthetase. Reviewed

Fujita, A, Sato C, Kitajima, K

Biochem. Biophys. Res. Commun. Vol. 355 page： 174-180 2007

Hypoxia-enhanced expression of free deaminoneuraminic acid in human cancer cells. Reviewed

Go, S, Sato, C, Yin, J, Kannagi, R, Kitajima, K

Biochem. Biophys. Res. Commun. Vol. 357 page： 537-542. 2007

AMPAR removal underlies Abeta-induced synaptic depression and dendritic spine loss.

Hsieh H, Boehm J, Sato C, Iwatsubo T, Tomita T, Sisodia S, Malinow R

Neuron Vol. 52 ( 5 ) page： 831-43 2006.12

Expression and functional importance of the carbohydrate antigen 3D11 in early embryo of medaka, Oryzias latipes

Kitajima Ken, Hara Hiroaki, Adachi Tomoko, Sato Chihiro

ZOOLOGICAL SCIENCE Vol. 23 ( 12 ) page： 1175-1175 2006.12

Flagellasialin: a novel sulfated alpha 2,9-linked polysialic acid glycoprotein of sea urchin sperm flagella Reviewed

Shinji Miyata, Chihiro Sato, Hironobu Kumita, Masaru Toriyama, Victor D. Vacquier, Ken Kitajima

GLYCOBIOLOGY Vol. 16 ( 12 ) page： 1229 - 41 2006.12

Language：English Publishing type：Research paper (scientific journal) Publisher：OXFORD UNIV PRESS INC

A novel alpha 2,9-linked polysialic acid (polySia)-containing glycoprotein of sea urchin sperm flagella was identified and named "flagellasialin." Flagellasialin from Hemicentrotus pulcherrimus shows a diverse relative molecular mass on sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) of 40-80 kDa. Flagellasialin is a 96-amino acid, threonine-rich, heavily O-glycosylated (80-90% by weight) glycoprotein with a single transmembrane segment at its C-terminus and no apparent cytosolic domain. Of 12 extracellular Thr residues, eight are O-glycosylated and three are nonglycosylated. Flagellasialin is highly expressed in the testis but cannot be detected in the ovary. The amino acid sequences of flagellasialin from three sea urchin species (H. pulcherrimus, Strongylocentrotus purpuratus, and Strongylocentrotus franciscanus) are identical, but some species differences exist in the three core glycan structures to which the sulfated alpha 2,9-linked polyNeu5Ac chain is linked. Finally, the treatment of sperm with a specific antibody against the alpha 2,9-linked polyNeu5Ac structure results in the elevation of intracellular Ca2+ and inhibition of sperm motility and fertilization, implicating flagellasialin as a regulator of these critical processes.

DOI： 10.1093/glycob/cwl036

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Papers - SATO, Chihiro