Osamu Takikawa

Details der Publikationsliste

Zeitraum

1990 - 2008

Anzahl

25

Co-Autoren

Diazotization of kynurenine by acidified nitrite secreted from indoleamine 2,3-dioxygenase-expressing myeloid dendritic cells (2008)

Hara, Toshiaki, Yamakura, Fumiyuki, Takikawa, Osamu, Hiramatsu, Rie, Kawabe, Tsutomu, Isobe, Ken-ichi, ...

Indoleamine 2,3-dioxygenase (IDO)-initiated tryptophan metabolism along the kynurenine (Kyn) pathway regulates T-cell responses in some dendritic cells (DC) such as plasmacytoid DC. A Kyn assay using...

High-affinity uptake of kynurenine and nitric oxide-mediated inhibition of indoleamine 2,3-dioxygenase in bone marrow-derived myeloid dendritic cells (2008)

Hara, Toshiaki, Ogasawara, Nanako, Akimoto, Hidetoshi, Takikawa, Osamu, Hiramatsu, Rie, Kawabe, Tsutomu, ...

Indoleamine 2,3-dioxygenase (IDO)-initiated tryptophan metabolism along the kynurenine (Kyn) pathway in some dendritic cells (DC) such as plasmacytoid DC regulates T-cell responses. It is unclear...

OCTN2VT, a splice variant of OCTN2, does not transport carnitine because of the retention in the endoplasmic reticulum caused by insertion of 24 amino acids in the first extracellular loop of OCTN2 (2007)

Maekawa, Satoshi, Mori, Daisuke, Nishiya, Tadashi, Takikawa, Osamu, Horinouchi, Takahiro, Nishimoto, Arata, ...

A novel organic cation transporter OCTN2 is indispensable for carnitine transport across plasma membrane and subsequent fatty acid metabolism in the mitochondria. Here, we report a novel splice...

OCTN2VT, a splice variant of OCTN2, does not transport carnitine because of the retention in the endoplasmic reticulum caused by insertion of 24 amino acids in the first extracellular loop of OCTN2. (2007)

Maekawa, Satoshi, Mori, Daisuke, Nishiya, Tadashi, Takikawa, Osamu, Horinouchi, Takahiro, Nishimoto, Arata, ...

A novel organic cation transporter OCTN2 is indispensable for carnitine transport across plasma membrane and subsequent fatty acid metabolism in the mitochondria. Here, we report a novel splice...

Cloning and functional characterization of a novel up-regulator, cartregulin, of carnitine transporter, OCTN2 (2006)

Nagai, Kazuhiko, Takikawa, Osamu, Kawakami, Naoko, Fukao, Mitsuhiro, Soma, Takamitsu, Oda, Atsushi, ...

Acetylcarnitine exerts therapeutic effects on some neurological disorders including Alzheimer’s disease. OCTN2 is known as a transporter for acetylcarnitine, but its expression in the brain is very...

Cloning and functional characterization of a novel up-regulator, cartregulin, of carnitine transporter, OCTN2. (2006)

Nagai, Kazuhiko, Takikawa, Osamu, Kawakami, Naoko, Fukao, Mitsuhiro, Soma, Takamitsu, Oda, Atsushi, ...

Acetylcarnitine exerts therapeutic effects on some neurological disorders including Alzheimer's disease. OCTN2 is known as a transporter for acetylcarnitine, but its expression in the brain is very...

Cloning and functional characterization of a novel up-regulator, cartregulin, of carnitine transporter, OCTN2. (2006)

Nagai, Kazuhiko, Takikawa, Osamu, Kawakami, Naoko, Fukao, Mitsuhiro, Soma, Takamitsu, Oda, Atsushi, ...

Acetylcarnitine exerts therapeutic effects on some neurological disorders including Alzheimer's disease. OCTN2 is known as a transporter for acetylcarnitine, but its expression in the brain is very...

Inhibition of indoleamine 2,3 dioxygenase activity by H₂O₂ (2006)

Poljak, Anne, Grant, Ross, Smythe, George A, Austin, Chris J.D, Jamie, Joanne F, Willows, Robert D, ...

Indoleamine 2,3-dioxygenase is the first and rate limiting enzyme of the kynurenine pathway of tryptophan metabolism, has potent effects on cell proliferation and mediates antimicrobial,...

Inhibition of indoleamine 2,3 dioxygenase activity by H₂O₂ (2006)

Poljak, Anne, Grant, Ross, Smythe, George A, Austin, Chris J.D, Jamie, Joanne F, Willows, Robert D, ...

Indoleamine 2,3-dioxygenase is the first and rate limiting enzyme of the kynurenine pathway of tryptophan metabolism, has potent effects on cell proliferation and mediates antimicrobial,...

IDO expression on decidual and peripheral blood dendritic cells and monocytes/macrophages after treatment with CTLA-4 or interferon-{gamma} increase in normal pregnancy but decrease in spontaneous abortion (2006)

Miwa, Naoko, Hayakawa, Satoshi, Miyazaki, Satomi, Myojo, Subaru, Sasaki, Yasushi, Sakai, Masatoshi, ...

Recent data demonstrated that CD4+CD25+ regulatory T (Treg) cells and an enzyme called indoleamine 2,3-dioxygenase (IDO) mediate maternal tolerance to the fetus. Interestingly, Treg cells express the...

IDO expression on decidual and peripheral blood dendritic cells and monocytes/macrophages after treatment with CTLA-4 or interferon-{gamma} increase in normal pregnancy but decrease in spontaneous abortion (2005)

Miwa, Naoko, Hayakawa, Satoshi, Miyazaki, Satomi, Myojo, Subaru, Sasaki, Yasushi, Sakai, Masatoshi, ...

Recent data demonstrated that CD4+CD25+ regulatory T (Treg) cells and an enzyme called indoleamine 2,3-dioxygenase (IDO) mediate maternal tolerance to the fetus. Interestingly, Treg cells express the...

Mechanisms regulating the expression of indoleamine 2,3-dioxygenase during decidualization of human endometrium (2004)

Kudo, Yoshiki, Hara, Tetsuaki, Katsuki, Takafumi, Toyofuku, Aya, Katsura, Yuki, Takikawa, Osamu, ...

BACKGROUND: Expression of the tryptophan catabolizing enzyme, indoleamine 2,3‐dioxygenase, in the mouse placenta has been shown to be critical in preventing immunological rejection of the fetal...

Mechanisms regulating the expression of indoleamine 2,3-dioxygenase during decidualization of human endometrium (2004)

Kudo, Yoshiki, Hara, Tetsuaki, Katsuki, Takafumi, Toyofuku, Aya, Katsura, Yuki, Takikawa, Osamu, ...

BACKGROUND: Expression of the tryptophan catabolizing enzyme, indoleamine 2,3-dioxygenase, in the mouse placenta has been shown to be critical in preventing immunological rejection of the fetal...

Induction of Indolamine 2,3-Dioxygenase in Primary Human Macrophages by Human Immunodeficiency Virus Type 1 Is Strain Dependent

Grant, Ross S., Naif, Hassan, Thuruthyil, Sophie J., Nasr, Najla, Littlejohn, Tamantha, Takikawa, Osamu, ...

Increased kynurenine pathway metabolism has been implicated in the etiology of AIDS dementia complex (ADC). The rate-limiting enzyme for this pathway is indolamine 2,3-dioxygenase (IDO). We tested...

Nitric Oxide-Mediated Regulation of Gamma Interferon-Induced Bacteriostasis: Inhibition and Degradation of Human Indoleamine 2,3-Dioxygenase

Hucke, Christian, MacKenzie, Colin R., Adjogble, Koku D. Z., Takikawa, Osamu, Däubener, Walter

Tryptophan depletion resulting from indoleamine 2,3-dioxygenase (IDO) activity within the kynurenine pathway is one of the most prominent gamma interferon (IFN-γ)-inducible antimicrobial effector...

Inhibition of experimental asthma by indoleamine 2,3-dioxygenase

Hayashi, Tomoko, Beck, Lucinda, Rossetto, Cyprian, Gong, Xing, Takikawa, Osamu, Takabayashi, Kenji, ...

Epidemiological evidence points to the inverse relationship between microbial exposure and the prevalence of allergic asthma and autoimmune diseases in Westernized countries. The molecular basis for...

Induction of Indolamine 2,3-Dioxygenase in Primary Human Macrophages by Human Immunodeficiency Virus Type 1 Is Strain Dependent

Grant, Ross S., Naif, Hassan, Thuruthyil, Sophie J., Nasr, Najla, Littlejohn, Tamantha, Takikawa, Osamu, ...

Increased kynurenine pathway metabolism has been implicated in the etiology of AIDS dementia complex (ADC). The rate-limiting enzyme for this pathway is indolamine 2,3-dioxygenase (IDO). We tested...

Nitric Oxide-Mediated Regulation of Gamma Interferon-Induced Bacteriostasis: Inhibition and Degradation of Human Indoleamine 2,3-Dioxygenase

Hucke, Christian, MacKenzie, Colin R., Adjogble, Koku D. Z., Takikawa, Osamu, Däubener, Walter

Tryptophan depletion resulting from indoleamine 2,3-dioxygenase (IDO) activity within the kynurenine pathway is one of the most prominent gamma interferon (IFN-γ)-inducible antimicrobial effector...

Inhibition of experimental asthma by indoleamine 2,3-dioxygenase

Hayashi, Tomoko, Beck, Lucinda, Rossetto, Cyprian, Gong, Xing, Takikawa, Osamu, Takabayashi, Kenji, ...

Epidemiological evidence points to the inverse relationship between microbial exposure and the prevalence of allergic asthma and autoimmune diseases in Westernized countries. The molecular basis for...

Monocyte-mediated T-cell suppression and augmented monocyte tryptophan catabolism after human hematopoietic stem-cell transplantation

Hainz, Ursula, Obexer, Petra, Winkler, Christiana, Sedlmayr, Peter, Takikawa, Osamu, Greinix, Hildegard, ...

T-cell dysfunction after human hematopoietic stem-cell transplantation (HSCT) is generally attributed to intrinsic T-cell defects. Here we show that the characteristic impaired proliferative...

Inhibition of indoleamine 2,3-dioxygenase (IDO) enhances elimination of virus-infected macrophages in an animal model of HIV-1 encephalitis

Potula, Raghava, Poluektova, Larisa, Knipe, Bryan, Chrastil, Jesse, Heilman, David, Dou, Huanyu, ...

Indoleamine 2,3-dioxygenase (IDO) is the rate-limiting enzyme in the kynurenine pathway of tryptophan metabolism. IDO activity is linked with immunosuppression by its ability to inhibit lymphocyte...

Reciprocal changes in endothelium-derived hyperpolarizing factor- and nitric oxide-system in the mesenteric artery of adult female rats following ovariectomy

Nawate, Satoshi, Fukao, Mitsuhiro, Sakuma, Ichiro, Soma, Takamitsu, Nagai, Kazuhiko, Takikawa, Osamu, ...

To explore the effects of estrogen on arterial functions, we examined endothelium-derived hyperpolarizing factor (EDHF)- and NO-mediated responses in isolated mesenteric arteries of female rats, 4...

Astrocyte Indoleamine 2,3-Dioxygenase Is Induced by the TLR3 Ligand Poly(I:C): Mechanism of Induction and Role in Antiviral Response▿

Suh, Hyeon-Sook, Zhao, Meng-Liang, Rivieccio, Mark, Choi, Shinyeop, Connolly, Erin, Zhao, Yongmei, ...

Indoleamine 2,3-dioxygenase (IDO) is the first and rate-limiting enzyme in the kynurenine pathway of tryptophan catabolism and has been implicated in neurotoxicity and suppression of the antiviral...

Indoleamine 2,3-Dioxygenase (IDO) : The Antagonist of Type I Interferon-Driven Skin Inflammation?

Scheler, Marina, Wenzel, Joerg, Tüting, Thomas, Takikawa, Osamu, Bieber, Thomas, Von Bubnoff, Dagmar

Recent studies have provided evidence that a type I interferon (IFN)-driven immune response might play an important role in the pathogenesis of lichen planus (LP), an inflammatory disorder of the...