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Natural Course of Hepatitis C Infection in Japan
Yano, KoJi,Yatsuhashi, Hiroshi,Yano, Michitami 대한소화기학회 2003 대한소화기학회지 Vol.41 No.3
The natural course of chronic hepatitis C can be classified into several phases. These phases include persistent phase, asymptomatic phase, and active or aggressive phase. Chronic persistent hepatitis progresses very slowly, if any. On the other hand, chronic aggressive hepatitis frequently develops liver cirrhosis soon. The difference between these two probably depends on the host immune system that is related to age, rather than the duration of infection. Our longitudinal study revealed that chronic persistent hepatitis often transforms to active or aggressive hepatitis at around the age of 45. Chronic persistent hepatitis progresses very slowly, if any. On the other hand, chronic aggressive hepatitis frequently develops liver cirrhosis soon. The difference between these two probably depends on the host immune system that is related to age. The unknown factor(s) that are related to the host immune system changes around 45 years of age. Our longitudinal study revealed that chronic persistent hepatitis often transforms to aggressive hepatitis around the age of 45. Accordingly, aging is one of the most important factors that contribute to LC and HCC development.
Takaaki Yano,Kenji Yano 대한대장항문학회 2015 Annals of Coloproctolgy Vol.31 No.3
Purpose: Injection sclerotherapy for hemorrhoids has been performed for many years. Currently, 5% phenol in almond oil (PAO) and aluminum potassium sulfate and tannic acid (ALTA) are used as the agents. The purpose of this study was to compare the efficacy of the two agents. Methods: A retrospective study was conducted involving 135 patients who underwent injection therapy for grade 3 hemorrhoids for the first time between 2013 and 2014 (PAO, 55 patients; ALTA, 80 patients). The efficacy was established as the proportion (%) of patients without symptoms such as hemorrhage and prolapse one year after treatment. We investigated four factors—sex, age, number of hemorrhoids, and agent—that might have an influence on the efficacy. Results: The efficacies of ALTA and PAO one year after treatment were 75% and 20%, respectively. Only the agent was a significant independent factor (P < 0.01). Conclusion: The results suggest that ALTA is markedly more useful than PAO for injection sclerotherapy for grade 3 hemorrhoids.
“ON–OFF” switching of europium complex luminescence coupled with a ligand redox process
Yano, Masafumi,Matsuhira, Keisuke,Tatsumi, Masakazu,Kashiwagi, Yukiyasu,Nakamoto, Masami,Oyama, Munetaka,Ohkubo, Kei,Fukuzumi, Shunich,Misaki, Hitomi,Tsukube, Hiroshi The Royal Society of Chemistry 2012 Chemical communications Vol.48 No.34
<P>A triarylamine-functionalized terpyridine ligand formed a highly coordinated complex with europium tris(β-diketonate), which displayed reversible ‘‘ON–OFF’’ luminescence switching coupled with a ligand redox process of triarylamine/triarylaminium cations.</P> <P>Graphic Abstract</P><P>A triarylamine-functionalized terpyridine ligand formed a highly coordinated complex with europium tris(β-diketonate), which displayed reversible ‘‘ON–OFF’’ luminescence switching coupled with a ligand redox process of triarylamine/triarylaminium cations. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c2cc31078c'> </P>
Yano, F.,Nakajima, T.,Matsuda, M. Asian Australasian Association of Animal Productio 1999 Animal Bioscience Vol.12 No.4
In current animal production in Japan, a large surplus of nitrogen and phosphorus is given to animals as their feed which are mostly imported from outside of our own country. Today, an excess of nitrogen and phosphorus from animal manure has been spread out of the area of animal production and the surroundings. These components have become the major reason for eutrophication of ground, surface and inland water. Nutritional studies for the reduction of nitrogen and phosphorus from animal waste has been done by many researchers. The reduction of excess protein in animal feed and the supplementation of deficient essential amino acids to feed have a possibility to increase the biological value of feed and to reduce nitrogen excretion, especially, via urine. The use of phytase activity to degrade phytate and to release utilizable inorganic phosphorus make it possible to cut an excess supply of feed additive inorganic phosphorus and to reduce phosphorus excretion from animal waste.