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PC-766B' and PC-766B, 16-Membered Macrolide Angiogenesis Inhibitors Produced by Nocardia sp. RK97-56
KO, HACK-RYONG,KAKEYA, HIDEAKI,YOSHIDA, ARIKA,ONOSE, RIE,UEKI, MASASHI,MUROI, MAKOTO,TAKATSUKI, AKIRA,MATSUZAKI, HIROSHI,OSADA, HIROYUKI 한국미생물 · 생명공학회 2002 Journal of microbiology and biotechnology Vol.12 No.5
Angiogenesis is an essential event in a variety of physiological and pathological processes. Therefore, effective inhibition of event is a promising strategy for treating angiogenesis-related diseases, including cancer. The current study investigated two unique bafilomycin-type macrolide inhibitors of angiogenesis, PC-766B' (1) and PC-766B (2). The strain RK97-56 which produced the inhibitors was identified as Nocardia sp. by chemotaxonomic analyses, and the purification of the inhibitors was guided by their anti-angiogenic actives. PC-766B' (1) and PC-766B (2) exhibited potent inhibitory activities towards endothelial cell migration stimulated by the vascular endothelial growth factor(VEGF).
Real-space observation of a two-dimensional skyrmion crystal
Yu, X. Z.,Onose, Y.,Kanazawa, N.,Park, J. H.,Han, J. H.,Matsui, Y.,Nagaosa, N.,Tokura, Y. Macmillan Publishers Limited. All rights reserved 2010 Nature Vol.465 No.7300
Crystal order is not restricted to the periodic atomic array, but can also be found in electronic systems such as the Wigner crystal or in the form of orbital order, stripe order and magnetic order. In the case of magnetic order, spins align parallel to each other in ferromagnets and antiparallel in antiferromagnets. In other, less conventional, cases, spins can sometimes form highly nontrivial structures called spin textures. Among them is the unusual, topologically stable skyrmion spin texture, in which the spins point in all the directions wrapping a sphere. The skyrmion configuration in a magnetic solid is anticipated to produce unconventional spin??electronic phenomena such as the topological Hall effect. The crystallization of skyrmions as driven by thermal fluctuations has recently been confirmed in a narrow region of the temperature/magnetic field (T??B) phase diagram in neutron scattering studies of the three-dimensional helical magnets MnSi (ref. 17) and Fe<SUB>1−x</SUB>Co<SUB>x</SUB>Si (ref. 22). Here we report real-space imaging of a two-dimensional skyrmion lattice in a thin film of Fe<SUB>0.5</SUB>Co<SUB>0.5</SUB>Si using Lorentz transmission electron microscopy. With a magnetic field of 50??70 mT applied normal to the film, we observe skyrmions in the form of a hexagonal arrangement of swirling spin textures, with a lattice spacing of 90 nm. The related T??B phase diagram is found to be in good agreement with Monte Carlo simulations. In this two-dimensional case, the skyrmion crystal seems very stable and appears over a wide range of the phase diagram, including near zero temperature. Such a controlled nanometre-scale spin topology in a thin film may be useful in observing unconventional magneto-transport effects.
A Trial Study of Moxibustion with a Warming Needle on Edema
Wen-Ping Zhang,Yuki Onose,Takahiko Fujikawa 사단법인약침학회 2017 Journal of Acupuncture & Meridian Studies Vol.10 No.1
Edema is an accumulation of an excessive amount of watery fluid in cells or intercellular tissues. In order to examine the effects of acupuncture and moxibustion on edema, seven subjects were randomly divided into three groups, that was a Control group, an Acupuncture group (Acp), and an acupuncture and moxibustion group (Acp-Mox). After sitting for 60 minutes keeping their bodies still, the Acp and Acp-Mox subjects were administered acupuncture or acupuncture/moxibustion on the points of Zusanli (ST-36) and Sanyinjiao (SP-6), separately as against the Control group who only lied on the bed after modelization. After modelization at 60 minutes, the skin temperature and blood flow of all the groups were significantly lower in blood flow when compared with premodelization. But shortly after the procedure at 80 minutes, skin temperature in the Acp and Acp-Mox groups were significantly increased when compared with premodelization (vs. 60 minutes, p < 0.05). Moreover, the skin temperature and blood flow of the Acp-Mox group were significantly increased as compared to both the Control and the Acp group at the 80-minute time point. These results indicate that Acp and Mox-Acp could relieve edematous conditions significantly, especially the procedure of moxibustion with warming needle, was effective in improving edema which is often accompanied with cold intolerance and would be a recommended and superior therapy for edema.
Ayaka Iura,Aiko Kawano,Kazuaki IMAI,Katsuyuki Konnai,Ryo Onose,Hisamori Kato 대한부인종양학회 2018 Journal of Gynecologic Oncology Vol.29 No.5
Objective: Optimal debulking in interval debulking surgery (IDS) after neoadjuvant chemotherapy (NAC) has been reported as a prognostic factor for patients with ovarian cancer. However, the identification of microscopic residual disease (MRD) using visualization and palpation is subjective. Peritoneal washing cytology (PWC) during IDS is an easy-to-implement, objective approach for assessing disease status, although its clinical relevance and association with MRD is not known. The aim of this study was to evaluate the efficacy of PWC during IDS. Methods: In total, 164 patients diagnosed with ovarian cancer at our institution were retrospectively evaluated, including 64 who had received NAC. Seventeen patients had undergone an exploratory laparotomy followed by NAC, while the remaining patients were diagnosed based on imaging, peritoneal cytology, and tumor markers. The PWC was performed before intraperitoneal observation at laparotomy during IDS. Results: NAC-treated patients had stage III–IV disease. IDS was performed in 78.1% of NAC-treated patients. Seventeen patients (26.6%) were PWC-negative and 33 patients (51.6%) were PWC-positive. Fourteen patients (21.9%) had progressive disease and were ineligible for IDS. The median overall survival of the PWC-negative, PWC-positive, and non-IDS groups was 47, 18, and 5 months, respectively. The differences were significant (p<0.01). PWC was an independent prognostic factor in the multivariate Cox regression analysis (p<0.001). Conclusion: PWC during IDS may be a prognostic factor for NAC-treated patients with ovarian cancer. PWC may be more useful than visualization and palpation in IDS for determining the presence of MRD.
Palfique Estelite의 경화전후 색조 변화에 관하여
유타가 요시마,하루히또 다까기,노리꼬 사이렌지,하루히또 이께다,다가시 구로다,히데오 오노세,Aoshima, Yutaka,Takagi, Haruhito,Sairenji, Noriko,Ikeda, Harughiko,Kuroda, Takashi,Onose, Hideo 대한심미치과학회 1997 Journal of the Korean Academy of Esthetic Dentistr Vol.6 No.1
It is pointed out that the color of composite resin is changing according to it's ploymerization and this color change is a harmful effect for the clinical satisfacion of composite resin restoration. The purpose of this study was to compare the changes of color of newly developed composite resins between before and after exposure of activating light. Five Compostie resins (8 shades) were employed: Palfique Estelite(UL, U, DY, G ; Tokuyama), Photo Clearfil A (US : Kuraray), Photo Clearfil Bright (US ; Kuraray), GC Graft LC(A3 ; GC), Silux Plus(U; 3M), Tristirnulus values of each material were determined before and after curing-light exposure by using a Micro Multi Photometer (MMP-1001, Nihon Denshoku Kogyo). The values were transformed into $L^*\;a^*\;b^*$ system and color changes of the resins were evaluated by the changes of $L^*$, $a^*$ and $b^*$ values for the individual shades. In addition, the effects of resin thickness and background color on color changes were also studied The finding were as follows: 1. Color changes of $L^*$, $a^*$ and $b^*$ values were recognized due to the light exposure for all products. The $b^*$ values of Palfique Estelite showed negligible changes for all shades. 2. The $b^*$ values were affected strongly by the background color, especially when decreasing the brightness on the background color.(Request original article reprints to Dr. Aoshima)