T. Imaizumi

Publication List Details

Period

1036 - 2008

Number

25

Co-Authors

July 2000 Third Workshop on Attribute Grammars and their Applications WAGA2000 Using Object-Oriented Attribute Grammars as ODB System Generator (2007)

T. Hagiwara, K. Gondow, T. Imaizumi, T. Katayama

This paper presents MAGE2 system. It implements a computational model OOAG (Object-Oriented Attribute Grammars) and creates its attributed object trees in object-oriented database (ODB) using...

Using Object-Oriented Attribute Grammars as ODB System Generator (2000)

T. Hagiwara, K. Gondow, T. Imaizumi, T. Katayama

This paper presents MAGE2 system. It implements a computational model OOAG (Object-Oriented Attribute Grammars) and creates its attributed object trees in object-oriented database (ODB) using...

Characterization of the platelet-activating factor acetylhydrolase from human plasma by heterologous expression in Xenopus laevis oocytes.

Yamada, Y, Stafforini, D M, Imaizumi, T, Zimmerman, G A, McIntyre, T M, Prescott, S M

Platelet-activating factor (PAF) has been implicated as a mediator of inflammation and atherosclerosis. A specific degradative enzyme found in plasma, PAF acetylhydrolase, plays important roles in...

Vasodilatory effect of arginine vasopressin is mediated by nitric oxide in human forearm vessels.

Tagawa, T, Imaizumi, T, Endo, T, Shiramoto, M, Hirooka, Y, Ando, S, ...

Arginine vasopressin (AVP) causes biphasic changes in vascular resistance in human forearms; vasoconstriction at lower doses and vasodilation at higher doses. Vasoconstriction is mediated by the V1...

Platelet-activating factor (PAF) stimulates the production of PAF acetylhydrolase by the human hepatoma cell line, HepG2.

Satoh, K, Imaizumi, T, Kawamura, Y, Yoshida, H, Hiramoto, M, Takamatsu, S, ...

The human hepatoma cell line, HepG2, secreted an activity that degrades platelet-activating factor (PAF) by the hydrolysis of the sn-2 acetyl group. This activity was Ca++ independent, inhibited by...

Platelet-activating factor acetylhydrolase deficiency. A missense mutation near the active site of an anti-inflammatory phospholipase.

Stafforini, D M, Satoh, K, Atkinson, D L, Tjoelker, L W, Eberhardt, C, Yoshida, H, ...

Deficiency of plasma platelet-activating factor (PAF) acetylhydrolase is an autosomal recessive syndrome that has been associated with severe asthma in Japanese children. Acquired deficiency has been...

Biphasic forearm vascular responses to intraarterial arginine vasopressin.

Suzuki, S, Takeshita, A, Imaizumi, T, Hirooka, Y, Yoshida, M, Ando, S, ...

Forearm vascular responses to arginine vasopressin (AVP) infused into a brachial artery in a wide range of infusion rates (0.05-2.0 ng/kg per min) were examined in 20 young healthy volunteers....

Phosphorylation of diacylglycerol kinase in vitro by protein kinase C.

Kanoh, H, Yamada, K, Sakane, F, Imaizumi, T

We investigated the effects of enzyme phosphorylation in vitro on the properties of diacylglycerol kinase. Diacylglycerol kinase and protein kinase C, both present as Mr-80,000 proteins, were highly...

The JAK-binding protein JAB inhibits Janus tyrosine kinase activity through binding in the activation loop.

Yasukawa, H, Misawa, H, Sakamoto, H, Masuhara, M, Sasaki, A, Wakioka, T, ...

The Janus family of protein tyrosine kinases (JAKs) regulate cellular processes involved in cell growth, differentiation and transformation through their association with cytokine receptors. However,...

Characterization of the platelet-activating factor acetylhydrolase from human plasma by heterologous expression in Xenopus laevis oocytes.

Yamada, Y, Stafforini, D M, Imaizumi, T, Zimmerman, G A, McIntyre, T M, Prescott, S M

Platelet-activating factor (PAF) has been implicated as a mediator of inflammation and atherosclerosis. A specific degradative enzyme found in plasma, PAF acetylhydrolase, plays important roles in...

Vasodilatory effect of arginine vasopressin is mediated by nitric oxide in human forearm vessels.

Tagawa, T, Imaizumi, T, Endo, T, Shiramoto, M, Hirooka, Y, Ando, S, ...

Arginine vasopressin (AVP) causes biphasic changes in vascular resistance in human forearms; vasoconstriction at lower doses and vasodilation at higher doses. Vasoconstriction is mediated by the V1...

Platelet-activating factor (PAF) stimulates the production of PAF acetylhydrolase by the human hepatoma cell line, HepG2.

Satoh, K, Imaizumi, T, Kawamura, Y, Yoshida, H, Hiramoto, M, Takamatsu, S, ...

The human hepatoma cell line, HepG2, secreted an activity that degrades platelet-activating factor (PAF) by the hydrolysis of the sn-2 acetyl group. This activity was Ca++ independent, inhibited by...

Platelet-activating factor acetylhydrolase deficiency. A missense mutation near the active site of an anti-inflammatory phospholipase.

Stafforini, D M, Satoh, K, Atkinson, D L, Tjoelker, L W, Eberhardt, C, Yoshida, H, ...

Deficiency of plasma platelet-activating factor (PAF) acetylhydrolase is an autosomal recessive syndrome that has been associated with severe asthma in Japanese children. Acquired deficiency has been...

Biphasic forearm vascular responses to intraarterial arginine vasopressin.

Suzuki, S, Takeshita, A, Imaizumi, T, Hirooka, Y, Yoshida, M, Ando, S, ...

Forearm vascular responses to arginine vasopressin (AVP) infused into a brachial artery in a wide range of infusion rates (0.05-2.0 ng/kg per min) were examined in 20 young healthy volunteers....

Phosphorylation of diacylglycerol kinase in vitro by protein kinase C.

Kanoh, H, Yamada, K, Sakane, F, Imaizumi, T

We investigated the effects of enzyme phosphorylation in vitro on the properties of diacylglycerol kinase. Diacylglycerol kinase and protein kinase C, both present as Mr-80,000 proteins, were highly...

The JAK-binding protein JAB inhibits Janus tyrosine kinase activity through binding in the activation loop.

Yasukawa, H, Misawa, H, Sakamoto, H, Masuhara, M, Sasaki, A, Wakioka, T, ...

The Janus family of protein tyrosine kinases (JAKs) regulate cellular processes involved in cell growth, differentiation and transformation through their association with cytokine receptors. However,...

Impaired baroreflex control of vascular resistance and heart rate in acute myocardial infarction.

Imaizumi, T, Takeshita, A, Makino, N, Ashihara, T, Yamamoto, K, Nakamura, M

The baroreflex control of vascular resistance and heart rate was studied in 11 patients to determine whether it is impaired in patients with acute myocardial infarction. Reflex forearm...

Increase in reflex vasoconstriction with indomethacin in patients with orthostatic hypotension and central nervous system involvement.

Imaizumi, T, Takeshita, A, Ashihara, T, Nakamura, M, Tsuji, S, Shibazaki, H

Since indomethacin may be effective in the treatment of orthostatic hypotension, the ability of this drug to increase reflex vasoconstriction was studied in six patients with orthostatic hypotension...

Malalignment of the sarcomeric filaments in hypertrophic cardiomyopathy with cardiac myosin heavy chain gene mutation

Muraishi, A, Kai, H, Adachi, K, Nishi, H, Imaizumi, T

OBJECTIVE—To investigate changes in the alignment of the sarcomeric filaments in hypertrophic cardiomyopathy and the effects of cardiac β myosin heavy chain (β-MHC) mutation on the sarcomeric...

Elevations of AGE and vascular endothelial growth factor with decreased total antioxidant status in the vitreous fluid of diabetic patients with retinopathy

Yokoi, M, Yamagishi, S-i, Takeuchi, M, Ohgami, K, Okamoto, T, Saito, W, ...

Background/aims: Advanced glycation end product (AGE) induces vascular endothelial growth factor (VEGF) expression in cell culture and animal models, being considered to be involved in development of...

Involvement of retinoic acid-inducible gene-I in inflammation of rheumatoid fibroblast-like synoviocytes

Imaizumi, T, Arikawa, T, Sato, T, Uesato, R, Matsumiya, T, Yoshida, H, ...

Interferon (IFN)-γ is a major cytokine that regulates T helper 1-type immune reactions and serves as an important mediator in the pathogenesis of autoimmune diseases. Retinoic acid-inducible gene-I...

Nuclear accumulation of p53 correlates significantly with clinical features and inversely with the expression of the cyclin-dependent kinase inhibitor p21(WAF1/CIP1) in pancreatic cancer.

Harada, N., Gansauge, S., Gansauge, F., Gause, H., Shimoyama, S., Imaizumi, T., ...

Recent studies have suggested a p53-independent expression of p21(WAF1/CIP1). We investigated the correlation between p53 overexpression and the expression of p21(WAF1/CIP1) in 57 patients with...