Výsledky vyhledávání - "YURIKO, OHTA"

Copper-catalyzed autoxidations of GSH and L-ascorbic acid: mutual inhibition of the respective oxidations by their coexistence

Autor: Noriyuki Shiraishi, Morimitsu Nishikimi, Takeshi Nishikawa, Yuriko Ohta

Publikováno v: Biochimica et Biophysica Acta (BBA) - General Subjects. 1474:378-382

Glutathione (GSH) is known to inhibit copper-catalyzed autoxidation of L-ascorbic acid (AA); in this study, AA was found to conversely inhibit copper-catalyzed autoxidation of GSH. To elucidate the mechanism of the mutual inhibition of the autoxidati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1c3ee6307ec3386a081c79356110924
https://doi.org/10.1016/s0304-4165(00)00034-9

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Evidence That Single Missense Mutations in the Atp7a Gene of Two Mouse Models for Menkes' Disease Are Responsible for Impaired Copper Transport

Autor: Yoshihiro Sambongi, Noriyuki Shiraishi, Masamitsu Futai, Yuriko Ohta, Morimitsu Nishikimi

Publikováno v: Journal of Clinical Biochemistry and Nutrition. 29:37-44

Menkes' disease is an inherited disorder of copper homeostasis that arises from a deficiency in copper-transporting P-type ATPase, the mouse gene for which is designated Atp7a. The macular and the viable-brindled mouse are among Menkes' disease model

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3453d21249c7e1c4ed7071943b73dbd7
https://doi.org/10.3164/jcbn.29.37

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The Octapeptide Repeat Region of Prion Protein Binds Cu(II) in the Redox-Inactive State

Autor: Morimitsu Nishikimi, Yuriko Ohta, Noriyuki Shiraishi

Publikováno v: Biochemical and Biophysical Research Communications. 267:398-402

The octapeptide repeat region of human prion protein is known to bind four Cu(II) ions per molecule. A peptide, Octa(4), representing this region was tested for inhibitory effects on copper-catalyzed oxidation of l-ascorbate or glutathione and on gen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d193a8cf7c0dd6fbfb7761f13fc8b77
https://doi.org/10.1006/bbrc.1999.1944

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Identification by bacterial expression of the yeast genomic sequence encoding L-galactono-γ-lactone oxidase, the homologue of L-ascorbic acid-synthesizing enzyme of higher animals

Autor: Takahiro Ishikawa, Yuriko Ohta, Morimitsu Nishikimi

Publikováno v: IUBMB Life. 44:907-913

Baker's yeast possesses L-galactono-γ-lactone oxidase that is similar in enzymic properties to L-gulono-γ-lactone oxidase, the terminal enzyme of L-ascorbic acid biosynthesis in higher animals. Computer-assisted comparison of amino acid sequences r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6c56a9363c65c42b54226704ec6d39c
https://doi.org/10.1080/15216549800201962

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Shock Wave in a Nonlinear LC Circuit

Autor: Shinsuke Watanabe, Katsuyuki Kawamura, Heung Geun Oh, Mayumi Kawaguchi, Yuriko Ohta, Shingo Ishiwata

Publikováno v: Journal of the Physical Society of Japan. 66:1231-1233

A shock wave in a nonlinear LC circuit with dissipation has been investigated theoretically and experimentally. A shock wave solution of a stationary waveform traveling with a constant velocity and a higher-order correction have been obtained theoret

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a8bb1c1ad876b32683cd7b2b580c4c10
https://doi.org/10.1143/jpsj.66.1231

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The whole structure of the human nonfunctional L-gulono-gamma-lactone oxidase gene--the gene responsible for scurvy--and the evolution of repetitive sequences thereon

Autor: Yuriko Ohta, Morimitsu Nishikimi, Yoko Inai

Publikováno v: Journal of nutritional science and vitaminology. 49(5)

L-Gulono-gamma-lactone oxidase (GULO), which catalyzes the last step of ascorbic acid biosynthesis, is missing in humans. The whole structure of the human gene homologue for this enzyme was disclosed by a computer-assisted search. Only five exons, as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f35c1401fbde6e4e5d8630fa3ce51b6e
https://pubmed.ncbi.nlm.nih.gov/14703305

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Ascorbate-induced high-affinity binding of copper to cytosolic proteins

Autor: Hideo Iwahashi, Noriyuki Shiraishi, In Sook Matsui Lee, Yoko Inai, Yuriko Ohta, Morimitsu Nishikimi

Publikováno v: Biochemical and biophysical research communications. 287(4)

Copper chaperones are necessary for intracellular trafficking of copper to target proteins. This is probably because the milieu inside the cell has a large capacity for sequestering this metal. By fluorometry using a fluorescent Cu(II) chelator and b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::712ade5402486d30a59ed17f53400be5
https://pubmed.ncbi.nlm.nih.gov/11573948

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