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국내에서 유행하는 HIV의 전파 경로에 따른 Subtype 분포
이주실,남정구,김성순,강춘,최병선,김옥진,박미선,성봉모,서순덕,전수경,변승옥,신영오,조해월 대한감염학회 2001 감염 Vol.33 No.5
Background : Previous data have been reported that subtype B is prevalent in South Korea, but neither the extent nor the proportion of subtypes could be evaluated. This study was designed to analyze the distribution of HIV-1 subtypes, temporal instructions and transmission dynamics between epidemiological groups. Methods : 1,280 Koreans had been diagnosed as HIV seropositive during the period 1985 to 2000. Among them, 134 individuals were selected for this molecular epidemiological study. 134 DNAs were isolated from uncultured or cultured peripheral blood mononuclear cells. V3-V5 (0.7 kb) fragment of HIV-1 env gene was amplified by nested polymerase chain reaction and was sequenced. Results : HIV-1 isolates from thirty-seven homosexuals were all subtype B (100%). On the other hand, 66 isolates from 94 heterosexuals were subtype B (70%) and 28 were non B subtypes (30% : 13 A, 4 C, 2 D, 8 E , 1 G). Only subtype B strains were isolated from 73 males who were infected with HIV inside Korea while 16 B and 20 non B subtype strains were isolated from 36 males who were HIV infected outside of Korea. However, B and non B strains were isolated half and half from females who were infected inside Korea except one. Conclusion : The HIV-1 subtype B strains are prevalent in Korea from the early HIV infection until present in both homo and heterosexuals. Non B strains have been transmitted from men who were infected outside Korea to their spouses and casual partners. So, we need further study to monitor subtype B and non B HIV transmission in epidemiological groups of Korea, (Korean J Infect Dis 33:311∼318, 2001)
RECOVERY OF SWALLOWING FUNCTION IS ACCOMPANIED BY THE EXPANSION OF THE CORTICAL MAP
Oh, Byung-Mo,Kim, Dae-Yul,Paik, Nam-Jong Informa Healthcare 2007 International journal of neuroscience Vol.117 No.9
<P> To determine whether multiple sessions of electrical stimulation (ES) applied to neck muscles improve swallowing function and whether this improvement is accompanied by cortical reorganization in patients with dysphagia, before-after trials were performed on eight subjects. ES was applied for 1 hour, 5 days a week for 2 weeks. Swallowing function significantly improved after 2 weeks of ES, and this change was found to correlate with cortical reorganization measured by corticobulbar output maps. This study suggests that multiple sessions of ES applied to the neck muscles improve swallowing function via a mechanism involving long-term cortical reorganization.</P>
Byung-Woo Kim,Chang-Mo Oh,Hwa Young Choi,Joong-Won Park,Hyunsoon Cho,기모란 거트앤리버 소화기연관학회협의회 2019 Gut and Liver Vol.13 No.1
Background/Aims: There have been no nationwide studies to investigate the trends in incidence and 5-year survival rates of intra- and extrahepatic bile duct cancers and gallbladder cancer. Therefore, our study aimed to describe the incidence and 5-year survival rates of biliary tract cancers by subsites in South Korea. Methods: A total of 86,134 patients with biliary tract cancers were selected from the National Health Information Database. Age-standardized incidence rates and annual percentage changes were calculated. Lifetable methods and log-rank tests were used to determine the differences in survival rates. Cox-proportional hazard models were used to estimate the hazard ratio of the patients with biliary tract cancers. Results: The incidence rate of intrahepatic bile duct cancer decreased by 1.3% annually from 8.8 per 100,000 in 2006 to 7.8 per 100,000 in 2015. Extrahepatic bile duct cancer also showed a decreasing trend by 2.2% per year from 8.7 per 100,000 in 2006 to 6.7 per 100,000 in 2015. Gallbladder cancer showed the greatest decline, with an annual percentage change of 2.8% from 6.3 per 100,000 to 5.2 per 100,000 during the same period. The 5-year survival rates were 30.0% in gallbladder cancer, 27.8% in extrahepatic bile duct cancer, and 15.9% in intrahepatic bile duct cancer. Conclusions: The overall incidence rates of intrahepatic and extrahepatic bile duct cancer and gallbladder cancer decreased from 2006 to 2015. Among biliary tract cancers, intrahepatic bile duct cancers exhibited the highest incidence rate and the worst survival rate.
오상진,모정만,이병구 圓光大學校 1996 論文集 Vol.32 No.2
본 논문에서는 축하중을 받는 변단면 기둥의 자유진동을 지배하는 상미분방정식과 단부조건별 경계조건을 이용하여 비보존력을 받는 캔틸레버형 변단면 기둥의 고유진동수와 임계하중을 산출하였다. 기둥의 단부조건으로는 고정-자유 및 스프링 회전-자유를 고려하였으며, 해석 결과로서 기둥의 단면변화, 단면비, 무차원 스프링계수에 따른 무차원 고유진동수를 고찰하고, 임계하중을 산출하였다. The main purpose of the present paper is to obtain both the natural frequencies and critical load of the cantilevered non-uniform columns subjected to nonconservative force. The governing differential equation for the free vibrations of non-uniform columns and the corresponding boundary conditions are used in the present studies. In the numerical examples, the clamped-free and spring hinged-free end constraints are considered, and three general cross-sectional shapes of rectangular section are selected. As the results, the effects of the variation of non-uniform, the section ratio and the rotational spring parameter on the natural frequencies and critical load of cantilevered non-uniform columns subjected to nonconservative force are analyzed.
A New Pink Gerbera Cut Flower Cultivar, "Pink Giant" with High Flower Yielding
Yong Mo Chung,Young Byung Yi,Yong Cho Cho,Oh Chang Kwon 한국육종학회 2007 한국육종학회지 Vol.39 No.1
A new pink gerbera (Gerbera hybrida Hort.) cultivar “Pink Giant” was developed from a cross between “Salina” and “Marita” followed by seedling and line selections at the Flower Breeding Research Institute, Gyeongnam Agricultural Research and Extention Services (ARES) in 1999. Characteristic trials were conducted three times from 2002 to 2004. Newly bred “Pink Giant” have shown pink color (RHS, 65-B), semi-double type, and large flower. It also was in good harmony in ray floret color and flower center color with stable flower shape. The vase life was 19.2 days. The average yield of “Pink Giant” was 45.8 flowers per plant in an year in greenhouse yield trails during 2003 and 2004. This cultivar was registered for a commercialization in 2005. “Pink Giant” would be cultured under greenhouse condition in Korea.