Search Results - "Katayanagi, K."

Pathology and Pathogenesis of Idiopathic Portal Hypertension with an Emphasis on the Liver by Nakanuma, Yasuni, Tsuneyama, Koichi, Makoto, Ohbu, Katayanagi, Kazuyoshi

“…Idiopathic portal hypertension (IPH) is characterized by a long-standing presinusoidal portal hypertension of unknown etiology in adults. Some unidentified…”
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Three-dimensional structure of ribonuclease H from E. coli by Katayanagi, K, Miyagawa, M, Matsushima, M, Ishikawa, M, Kanaya, S, Ikehara, M, Matsuzaki, T, Morikawa, K

“…The three-dimensional structure of RNase H from Escherichia coli was determined at 1.8 A resolution by X-ray crystallography. The enzyme was found to belong to…”
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Relationship between interleukin-6 and proliferation and differentiation in cholangiocarcinoma by Sugawara, H, Yasoshima, M, Katayanagi, K, Kono, N, Watanabe, Y, Harada, K, Nakanuma, Y

“…Aims Interleukin‐6 (IL‐6) has been implicated as a mediator of growth control in several human neoplasms. The significance of IL‐6 expression in human…”
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Structural details of ribonuclease H from Escherichia coli as refined to an atomic resolution by Katayanagi, K, Miyagawa, M, Matsushima, M, Ishikawa, M, Kanaya, S, Nakamura, H, Ikehara, M, Matsuzaki, T, Morikawa, K

“…The crystal structure of RNase H from Escherichia coli has been determined by the multiple isomorphous replacement method, and refined by the stereochemically…”
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Oncocytic Biliary Cystadenocarcinoma Is a Form of Intraductal Oncocytic Papillary Neoplasm of the Liver by Sudo, Yoshiko, Harada, Kenichi, Tsuneyama, Koichi, Katayanagi, Kazuyoshi, Zen, Yo, Nakanuma, Yasuni

“…Biliary cystadenocarcinoma with oncocytic differentiation was first reported in 1992. This is a report of a second case. The patient (a 71-year-old man) was…”
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Protein expression and genetic alterations of p53 and ras in intrahepatic cholangiocarcinoma by FURUBO, S, HARADA, K, SHIMONISHI, T, KATAYANAGI, K, TSUI, W, NAKANUMA, Y

“…Aims The significance of molecular and genetic alterations of p53 and ras in the development and progression as well as the histological differentiation of…”
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Histopathology of the liver in non-cirrhotic portal hypertension of unknown aetiology by Nakanuma, Y, Hoso, M, Sasaki, M, Terada, T, Katayanagi, K, Nonomura, A, Kurumaya, H, Harada, A, Obata, H

“…Non-cirrhotic, long-standing portal hypertension of unknown aetiology is being re-evaluated histopathologically and clinically. In this study, we examined 107…”
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Hepatocellular carcinoma arising in non‐alcoholic steatohepatitis by Zen, Yoh, Katayanagi, Kazuyoshi, Tsuneyama, Koichi, Harada, Kenichi, Araki, Ichirou, Nakanuma, Yasuni

“…The incidence and significance of hepatocellular carcinoma (HCC) in non‐alcoholic steatohepatitis (NASH) has not been previously evaluated in detail. We…”
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X-ray Structure of T4 Endonuclease V: An Excision Repair Enzyme Specific for a Pyrimidine Dimer by Morikawa, K., Matsumoto, O., Tsujimoto, M., Katayanagi, K., Ariyoshi, M., Doi, T., Ikehara, M., Inaoka, T., Ohtsuka, E.

“…The x-ray structure of T4 endonuclease V, an enzyme responsible for the first step of a pyrimidine-dimer-specific excision-repair pathway, was determined at a…”
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How does RNase H recognize a DNA.RNA hybrid? by Nakamura, H, Oda, Y, Iwai, S, Inoue, H, Ohtsuka, E, Kanaya, S, Kimura, S, Katsuda, C, Katayanagi, K, Morikawa, K

“…The mechanism of RNase H substrate recognition is proposed from a model of a chemically modified DNA.RNA hybrid Escherichia coli RNase H complex. Site-directed…”
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Generation of monoclonal antibodies to murine bile duct epithelial cells: Identification of annexin V as a new marker of small intrahepatic bile ducts by Katayanagi, Kazuyoshi, Van de Water, Judy, Kenny, Thomas, Nakanuma, Yasuni, Ansari, Aftab A., Coppel, Ross, Gershwin, M. Eric

“…Biliary epithelial cells (BECs) are distributed along the length of both the extrahepatic and intrahepatic biliary tree, but have distinctly different…”
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Single Amino Acid Substitutions in Flexible Loops Can Induce Large Compressibility Changes in Dihydrofolate Reductase by Gekko, Kunihiko, Kamiyama, Tadashi, Ohmae, Eiji, Katayanagi, Katsuo

“…To address the effects of single amino acid substitutions on the flexibility of Escherichia coli dihydrofolate reductase (DHFR), the partial specific volume( υ…”
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Stabilization of Escherichia coli ribonuclease H by introduction of an artificial disulfide bond by Kanaya, S, Katsuda, C, Kimura, S, Nakai, T, Kitakuni, E, Nakamura, H, Katayanagi, K, Morikawa, K, Ikehara, M

“…To examine the effect of the introduction of a disulfide bond on the stability of Escherichia coli ribonuclease H, a disulfide bond was engineered between…”
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IgG4-related Sclerosing cholangitis with and without hepatic inflammatory pseudotumor, and Sclerosing pancreatitis-associated Sclerosing cholangitis: Do they belong to a spectrum of sclerosing pancreatitis? by YOH ZEN, HARADA, Kenichi, MORIMOTO, Hideo, MIWA, Atsuo, UCHIYAMA, Akio, PORTMANN, Bernard C, NAKANUMA, Yasuni, SASAKI, Motoko, SATO, Yasunori, TSUNEYAMA, Koichi, HARATAKE, Joji, KURUMAYA, Hiroshi, KATAYANAGI, Kazuyoshi, MASUDA, Shinji, NIWA, Hideki

“…Sclerosing cholangitis (SC) is a heterogeneous disease entity. Different etiologies such as choledocholithiasis, biliary tumor, or pericholangitis can manifest…”
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Abundant IgG4-positive plasma cell infiltration characterizes chronic sclerosing sialadenitis (Küttner's tumor) by Kitagawa, Satoshi, Zen, Yoh, Harada, Kenichi, Sasaki, Motoko, Sato, Yasunori, Minato, Hiroshi, Watanabe, Kishichiro, Kurumaya, Hiroshi, Katayanagi, Kazuyoshi, Masuda, Shinji, Niwa, Hideki, Tsuneyama, Koichi, Saito, Katsuhiko, Haratake, Joji, Takagawa, Kiyoshi, Nakanuma, Yasuni

“…Chronic sclerosing sialadenitis (CSS) is a cryptogenic tumor-like condition of the salivary gland(s). While immune-mediated processes are suspected in its…”
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Crystal structures of ribonuclease HI active site mutants from Escherichia coli by KATAYANAGI, K, ISHIKAWA, M, OKUMURA, M, ARIYOSHI, M, KANAYA, S, KAWANO, Y, SUZUKI, M, TANAKA, I, MORIKAWA, K

“…In order to investigate the relationships between the three-dimensional structure and the enzymic activity of E. coli RNase HI, three mutant proteins, which…”
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Epithelial-mesenchymal transition induced by biliary innate immunity contributes to the sclerosing cholangiopathy of biliary atresia by Harada, Kenichi, Sato, Yasunori, Ikeda, Hiroko, Isse, Kumiko, Ozaki, Satoru, Enomae, Mio, Ohama, Kazunori, Katayanagi, Kazuyoshi, Kurumaya, Hiroshi, Matsui, Akira, Nakanuma, Yasuni

“…Infections of Reoviridae consisting of a double-stranded RNA (dsRNA) genome and the biliary innate immune response to dsRNA are implicated in the…”
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Reestablishment of rabbit gallbladder epithelial cells in collagen gel culture and their alterations by cytochalasin B and transforming growth factor beta-1. A morphologic study by Yoshida, K, Katayanagi, K, Kawamura, Y, Saito, K, Nakanuma, Y

“…We previously developed a model in which rabbit gall bladder epithelial cells in collagen gels proliferated and formed multicellular spherical cysts after 2 to…”
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IgG4-positive plasma cells in inflammatory pseudotumor (plasma cell granuloma) of the lung by Zen, Yoh, Kitagawa, Satoshi, Minato, Hiroshi, Kurumaya, Hiroshi, Katayanagi, Kazuyoshi, Masuda, Shinji, Niwa, Hideki, Fujimura, Masaki, Nakanuma, Yasuni

“…The association between IgG4 dysregulation and inflammatory pseudotumor (IPT) was first reported in sclerosing pancreatitis. Recently, we described IPTs of the…”
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Crystal structure of T4 endonuclease V. An excision repair enzyme for a pyrimidine dimer by Morikawa, K, Ariyoshi, M, Vassylyev, D, Katayanagi, K, Nakamura, H, Doi, T, Hori, N, Ohtsuka, E

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