Publications by authors named "Kinuko Iwasa"

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Molecular cloning and characterization of a cytochrome P450 in sanguinarine biosynthesis from Eschscholzia californica cells.
Tomoya Takemura, Nobuhiro Ikezawa, Kinuko Iwasa, Fumihiko Sato

Phytochemistry· July 2013

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Metabolic diversification of benzylisoquinoline alkaloid biosynthesis through the introduction of a branch pathway in Eschscholzia californica.
Tomoya Takemura, Nobuhiro Ikezawa, Kinuko Iwasa, Fumihiko Sato

Plant Cell Physiol· June 2010

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Biotransformation of phenolic tetrahydroprotoberberines in plant cell cultures followed by LC-NMR, LC-MS, and LC-CD.
Kinuko Iwasa, Wenhua Cui, Teturo Takahashi, Yumi Nishiyama, Miyoko Kamigauchi

J Nat Prod· February 2010

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Antinociceptive effects of the extracts of Xylopia parviflora bark and its alkaloidal components in experimental animals.
Yumi Nishiyama, Masataka Moriyasu, Momoyo Ichimaru, Kinuko Iwasa, Atsushi Kato

J Nat Med· January 2010

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CYP719A subfamily of cytochrome P450 oxygenases and isoquinoline alkaloid biosynthesis in Eschscholzia californica.
Nobuhiro Ikezawa, Kinuko Iwasa, Fumihiko Sato

Plant Cell Rep· January 2009

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Enantiomeric separation of racemic 1-benzyl-N-methyltetrahydroisoquinolines on chiral columns and chiral purity determinations of the O-methylated metabolites in plant cell cultures by HPLC-CD on-line coupling in combination with HPLC-MS.
Kinuko Iwasa, Yasuhiro Doi, Teturo Takahashi, Wenhua Cui, Yumi Nishiyama

Phytochemistry· January 2009

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Online structural elucidation of alkaloids and other constituents in crude extracts and cultured cells of Nandina domestica by combination of LC-MS/MS, LC-NMR, and LC-CD analyses.
Kinuko Iwasa, Teturo Takahashi, Yumi Nishiyama, Masataka Moriyasu, Makiko Sugiura

J Nat Prod· August 2008

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Molecular cloning and characterization of CYP80G2, a cytochrome P450 that catalyzes an intramolecular C-C phenol coupling of (S)-reticuline in magnoflorine biosynthesis, from cultured Coptis japonica cells.
Nobuhiro Ikezawa, Kinuko Iwasa, Fumihiko Sato

J Biol Chem· April 2008

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Biotransformation of phenolic 1-benzyl-N-methyltetrahydroisoquinolines in plant cell cultures followed by LC/NMR, LC/MS, and LC/CD.
Wenhua Cui, Kinuko Iwasa, Makiko Sugiura, Atsuko Takeuchi, Chisato Tode

J Nat Prod· November 2007

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Knockdown of berberine bridge enzyme by RNAi accumulates (S)-reticuline and activates a silent pathway in cultured California poppy cells.
Nanae Fujii, Takayuki Inui, Kinuko Iwasa, Takashi Morishige, Fumihiko Sato

Transgenic Res· June 2007

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Functional analysis of norcoclaurine synthase in Coptis japonica.
Hiromichi Minami, Emilyn Dubouzet, Kinuko Iwasa, Fumihiko Sato

J Biol Chem· March 2007

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Molecular cloning and characterization of methylenedioxy bridge-forming enzymes involved in stylopine biosynthesis in Eschscholzia californica.
Nobuhiro Ikezawa, Kinuko Iwasa, Fumihiko Sato

FEBS J· February 2007

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Secondary and tertiary isoquinoline alkaloids from Xylopia parviflora.
Yumi Nishiyama, Masataka Moriyasu, Momoyo Ichimaru, Kinuko Iwasa, Atsushi Kato

Phytochemistry· December 2006

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Potential cancer chemopreventive activity of simple isoquinolines, 1-benzylisoquinolines, and protoberberines.
Wenhua Cui, Kinuko Iwasa, Harukuni Tokuda, Akiko Kashihara, Yosuke Mitani

Phytochemistry· January 2006

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Structural analyses of metabolites of phenolic 1-benzyltetrahydroisoquinolines in plant cell cultures by LC/NMR, LC/MS, and LC/CD.
Kinuko Iwasa, Wenhua Cui, Makiko Sugiura, Atsuko Takeuchi, Masataka Moriyasu

J Nat Prod· July 2005

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Neuroprotective function of R-(-)-1-(benzofuran-2-yl)-2-propylaminopentane, [R-(-)-BPAP], against apoptosis induced by N-methyl(R)salsolinol, an endogenous dopaminergic neurotoxin, in human dopaminergic neuroblastoma SH-SY5Y cells.
Wakako Maruyama, Hong Yi, Tsutomu Takahashi, Seiichiro Shimazu, Hironori Ohde, Kinuko Iwasa

Life Sci· May 2004

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Quaternary isoquinoline alkaloids from Xylopia parviflora.
Yumi Nishiyama, Masataka Moriyasu, Momoyo Ichimaru, Kinuko Iwasa, Atsushi Kato

Phytochemistry· April 2004

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LC-NMR and LC-MS analysis of 2,3,10,11-oxygenated protoberberine metabolites in Corydalis cell cultures.
Kinuko Iwasa, Ayako Kuribayashi, Makiko Sugiura, Masataka Moriyasu, Dong-Ung Lee

Phytochemistry· December 2003

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