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Nucleation of Phase Transformations at Intragranular Inclusions in Steel
Enomoto, M 대한금속재료학회(대한금속학회) 1998 METALS AND MATERIALS International Vol.4 No.2
The control of phase transformation nucleation in steel by inclusions has attracted considerable attention for a few decades. The potency as a transformation catalyst appears to depend on the species of inclusions and so, they may not simply act as an inert heterogeneous nucleation site. The formation of a salute depletion zone in surrounding austenite and the provision of nucleation sites which can form low energy nucleus/inclusion interfaces are considered to be a principal mechanism. These are discussed on the basis of simple models and available experimental data to relate nucleation potency with thermodynamic and other material properties of inclusions.
EFFECT OF EUGLENA FEEDING ON THE CONTENT OF TAURINE IN THE MEAT OF BROILER CHICKENS
ENOMOTO, TOSHIKI,HAYASHI, MASAHIRO,MIYATAKE, KAZUTAKA,NAKANO, YOSHIHISA,PAIK, IN-KEE,PARK, BONG-SUN 중앙대학교 식량자원연구소 2000 食糧資源硏究所 論文集 Vol.12 No.1
Broiler chickens just after hatching were fed diets supplemented with Euglena cells for one month. The following groups (each 30 boiler chickens) were used group 1, fed the control diet, group 2, fed Euglena making up 0 25% of the diet; group 3, fed Euglena making up 0.50% of the diet. group 4. fed Euglena making up 1.00% of the diet. All groups fed Euglena grew satisfactorily as well as the control during the experimental periods. Although Euglena did not contain taurine at all, taurine content of the muscle in the Euglena groups increased about 2~3 tomes in comparison with the control. From these results. the effect of Euglena feeding for broiler chickens and the accumulation mechanism of taurine in the muscle are discussed.
Enomoto Keigo,Eguchi Yawara,Sato Takashi,Norimoto Masaki,Inoue Masahiro,Watanabe Atsuya,Sakai Takayuki,Yoneyama Masami,Aoki Yasuchika,Orita Sumihisa,Narita Miyako,Inage Kazuhide,Shiga Yasuhiro,Umimura 대한척추외과학회 2022 Asian Spine Journal Vol.16 No.1
Study Design: Retrospective observational study.Purpose: We investigated the correlation between T2 relaxation times and clinical symptoms in patients with cervical radiculopathy caused by cervical disk herniation.Overview of Literature: There are currently no imaging modalities that can assess the affected cervical nerve roots quantitatively.Methods: A total of 14 patients with unilateral radicular symptoms and five healthy subjects were subjected to simultaneous apparent T2 mapping and neurography with nerve-sheath signal increased with inked rest-tissue rapid acquisition of relaxation enhancement signaling (SHINKEI-Quant) using a 3-Tesla magnetic resonance imaging. The Visual Analog Scale (VAS) score for neck pain and upper arm pain was used to evaluate clinical symptoms. T2 relaxation times of the cervical dorsal root ganglia of the brachial plexus were measured bilaterally from C4 to C8 in patients with radicular symptoms and from C5 to C8 in healthy controls. The T2 ratio was calculated as the affected side to unaffected side.Results: When comparing nerve roots bilaterally at each spinal level, no significant differences in T2 relaxation times were found between patients and healthy subjects. However, T2 relaxation times of nerve roots in the patients with unilateral radicular symptoms were significantly prolonged on the involved side compared with the uninvolved side (p<0.05). The VAS score for upper arm pain was not significantly correlated with the T2 relaxation times, but was positively correlated with the T2 ratio.Conclusions: In patients with cervical radiculopathy, the SHINKEI-Quant technique can be used to quantitatively evaluate the compressed cervical nerve roots. The VAS score for upper arm pain was positively correlated with the T2 ratio. This suggests that the SHINKEI-Quant is a potential tool for the diagnosis of cervical nerve entrapment.
Enomoto, Akiko,Itoh, Ken,Harada, Takanori,Yamamoto, Masayuki The Korean Society of Toxicology Korea Environment 2001 Toxicological Research Vol.17 No.-
Xenobiotics and their reactive intermediates bind to cellular macromolecules and/or generate oxidative stress. which provoke deleterious effects on the cell function. Induction of xenobiotic-biotrans-forming enzymes and antioxidant molecules is an important defense mechanism against such insults. A group of genes involved in the defense mechanism. e.g. genes encoding glutathione S-transferases. NAD(P)H: quinone oxidoreductase, UDP-glucuronosyltransferase (UDP-GT) and ${\gamma}$-glutamylcysteine synthetase (GGCS). have a common regulatory sequence, Antioxidant or Electrophile Responsive Element (ARE/EpRE). Recently. Nrf2. discovered as a homologue of erythroid transcription factor p45 NF-E2, was shown to bind ARE/EpRE and induce the expression of these defense genes. Mice that lack Nrf2 show low basal levels of expression and/or impaired induction of these genes. which makes the animals highly sensitive to xenobiotic toxicity. Indeed. we show here that nrf2-deficient mice had a higher mortality than did the wild-type mice when exposed to acetaminophen (APAP). Detailed analyses of APAP hepatotoxicity in the nrf2 knockout mice indicate that a large amount of reactive APAP metabolites was generated in the livers due to the impaired basal expression of two detoxifying enzyme genes, UDP-GT (Ugt1a6) and GGCS. while the cytochrome P450 content was unchanged. Thus. the studies using the nrf2 knockout mice clearly demonstrate significance of the expression of Nrf2-regulated enzymes in protection against xenobiotic toxicity.
Taurine in Nurition of Mammals and the Effect of Dietary Taurine on Domestic Fowls and Fishes
Enomoto, Toshiki 中央大學校 食糧資源硏究所 2001 食糧資源硏究所 論文集 Vol.13 No.1
Taurine is present in high concentrations in all mammalian tissues. The physiological function of taurine, such as the conjugation with bile acid, and as a regulator of osmotic pressure or of Ca2+mflux into cell, has been known for some time. Recently, the function has been studied on the molecular level, and suppression of apotosis and cell proliferation, or regulation of gene expression is elucidated, indicating that a new development of taurine research is expected Dietary taurine is useful for not only human beings but also for domestic animals or farmed fishes, from the viewpoint of health maintenance Furthermore, many reports indicate that production of taurine-enriched animal products ispossible . The products seem to be useful for our health, and its industrialization is expected.
Enomoto, Hirofumi,Nagae, Shiho,Hayashi, Yoko,Li, Can-Peng,Ibrahim, Hisham R.,Sugimoto, Yasushi,Aoki, Takayoshi Asian Australasian Association of Animal Productio 2009 Animal Bioscience Vol.22 No.4
Egg white protein (EWP) was glycated with maltopentaose (MP) through the Maillard reaction and subsequently phosphorylated by $85^{\circ}C$ dry-heating at pH 4.0 for 1 d in the presence of pyrophosphate. The functional properties of glycated, phosphorylated EWP were compared with those of native EWP and with EWP which was phosphorylated by dry-heating in the presence of pyrophosphate under the same conditions. The phosphorus content of EWP was increased to ~0.60% by phosphorylation, and to ~0.74% by glycation with MP and subsequent phosphorylation. The electrophoretic mobility of EWP increased through phosphorylation. The stability of EWP against heat-induced insolubility at pH 7.0 was considerably improved by phosphorylation alone and further by phosphorylation after glycation. The anti-ovalbumin antibody response was reduced significantly by glycation and phosphorylation, and further reduced by phosphorylation after glycation. The anti-ovomucoid antibody response was reduced significantly by glycation, phosphorylation and phosphorylation after glycation. The calcium phosphate-solubilizing ability of EWP was enhanced by both phosphorylation methods.
East Asian Gynecologic Oncology Trial Group (EAGOT): founding history and future perspective
Takayuki Enomoto,Aikou Okamoto,Jae-Hoon Kim,Chyong-Huey Lai,Xiaohua Wu,Yong-Man Kim 대한부인종양학회 2023 Journal of Gynecologic Oncology Vol.34 No.5
Racial and regional differences exist in morbidity, histology, drug response, toxicity, and prognosis of gynecologic cancer. However, most large-scale phase III studies have been conducted in Western countries, and these data on Asians, who account for more than half of the world’s population, are limited. To build a global clinical trial network in Asia, four clinical trial groups with high expertise and international competitiveness in East Asia, namely the Japanese Gynecologic Oncology Group in Japan, the Korean Gynecologic Oncology Group in Korea, the Taiwanese Gynecologic Oncology Group in Taiwan, and the Chinese Gynecologic Cancer Society in the People’s Republic of China, established a new group called the East Asia Gynecologic Oncology Trial Group (EAGOT) on November 19, 2021. It includes four committees: the Cervical Cancer Committee, Uterine Corpus Cancer Committee, Ovarian Cancer Committee, and Translational Research Committee. The purpose of EAGOT is to conduct international clinical trials in an effort to provide the best treatments for Asian women affected by gynecologic cancer. Discussions on new collaborative clinical trials have already begun. The first Annual EAGOT Meeting was held on May 25-27, 2023 in Niigata, Japan. EAGOT, the largest healthcare/investigational innovation network in Asia in the area of gynecologic cancers, will become a platform for establishing standards of care and lead to guidelines for Asian women suffering from gynecologic cancer. The harmonization of regulatory/investigator-initiated clinical trials, simultaneous approval of unapproved drugs in the four countries under a common protocol, and expansion of indications will improve the prognosis of gynecologic cancers in Asia in the near future.