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Seung Hwa Yoo,Sang Yeon Lee,Jin Keum Kim,Myeong Ran Lee,Young Deok Kim,Nam Sin Kim,Jin Yeol Cha 한국조류학회II 2016 한국조류학회지 Vol.23 No.1
The Investigation of Natural Environment; INE is conducted for the current status of national ecosystem and environment and for the renewal of ecological and natural map which serve the basic information for effective management of natural environment, rep. of Korea. Survey spot and line, time, duration are selected by each investigator in the current bird survey of INE. This study is conducted for the development of effective survey method. For the selection of suitable survey duration, we analyze the bird census result in each 10 minute according to the sites inland, subalpine, civilian control zone and large and small islands. The bird surveys are conducted from April to October in 2014. If we have no restriction of survey, we conducted the bird survey during 2 hours. The more survey duration the more the number of recorded bird species. However, additional newly recorded bird species are reduced. The number of newly recorded bird species is not reduced until 2 hours in the inland area and large island area. On the contrary, The number of newly recorded bird species is reduced after 1 hour in the subalpine and civilian control zone because of restriction of survey area and habitat types. The number of endangered species during 1 hour are detected 80% of the result of 2 hours continuous survey. It is needed that bird survey maintain over 1 hour in each survey site for the enough result to understand avifauna, but several survey area and relatively short survey duration are needed in subalpine and forest area which contains low diversity of habitat. The fourth investigation of Natural Environment focused on detailed mapping of the ecological and natural map. For the next step, Quantitative survey method which considering fixed survey spot, line, survey time and duration will be needed in the bird monitoring by using stationary survey quadrat.
Yoo, Seung Hyun,Huh, Yang Hoon,Huh, Seong Kwon,Chu, Sei Yoon,Kim, Ki Deok,Hur, Yong Suk Landes Bioscience 2014 Nucleus Vol.5 No.4
<P>Phosphatidylinositol (PI) kinases are key molecules that participate in the phosphoinositide signaling in the cytoplasm. Despite the accumulating evidence that supports the existence and operation of independent PI signaling system in the nucleus, the exact location of the PI kinases inside the nucleus is not well defined. Here we show that PI4-kinases IIα and IIβ, which play central roles in PI(4,5)P<SUB>2</SUB> synthesis and PI signaling, are localized in numerous small nucleoplasmic vesicles that function as inositol 1,4,5-trisphosphate (Ins(1,4,5)<I>P</I><SUB>3</SUB>)-sensitive Ca<SUP>2+</SUP> stores. This is in accord with the past results that showed the localization of PI4(P)5-kinases that are essential in PI(4,5)P<SUB>2</SUB> production and PI(4,5)P<SUB>2</SUB> in nuclear matrix. Along with PI(4,5)P<SUB>2</SUB> that also exists on the nucleoplasmic vesicle membranes, the localization of PI4-kinases IIα and IIβ in the nucleoplasmic vesicles strongly implicates the vesicles to the PI signaling as well as the Ins(1,4,5)<I>P</I><SUB>3</SUB>-depenent Ca<SUP>2+</SUP> signaling in the nucleus. Accordingly, the nucleoplasmic vesicles indeed release Ca<SUP>2+</SUP> rapidly in response to Ins(1,4,5)<I>P</I><SUB>3</SUB>. Further, the Ins(1,4,5)<I>P</I><SUB>3</SUB>-induced Ca<SUP>2+</SUP> release studies suggest that PI4KIIα and IIβ are localized near the Ins(1,4,5)<I>P</I><SUB>3</SUB> receptor (Ins(1,4,5)<I>P</I><SUB>3</SUB>R)/Ca<SUP>2+</SUP> channels on the Ca<SUP>2+</SUP> store vesicle membranes. In view of the widespread presence of the Ins(1,4,5)<I>P</I><SUB>3</SUB>-dependent Ca<SUP>2+</SUP> store vesicles and the need to fine-control the nuclear Ca<SUP>2+</SUP> concentrations at multiple sites along the chromatin fibers in the nucleus, the existence of the key PI enzymes in the Ins(1,4,5)<I>P</I><SUB>3</SUB>-dependent nucleoplasmic Ca<SUP>2+</SUP> store vesicles appears to be in perfect harmony with the physiological roles of the PI kinases in the nucleus.</P>
A Case of Severe Pulmonary Thromboembolism in a Young Male With Klinefelter Syndrome
강병수,Deok-Kyu Cho,Won-Jun Koh,Seung-Hoon Yoo,Ki-Bum Won,Yun-Hyeong Cho,Eui-Seock Hwang,고종훈 대한심장학회 2012 Korean Circulation Journal Vol.42 No.8
A young male patient diagnosed with Klinefelter syndrome was admitted to our hospital via the emergency room with chief complaints of acute chest pain and dyspnea. Pulmonary thromboembolism was diagnosed from his chest CT images. His symptoms improved after he underwent thrombolysis and anticoagulation treatment. Klinefelter syndrome has a tendency towards hypercoagulability due to hormonal imbalance and one or more inherited thromophilic factors. Thus, Klinefelter syndrome patients with a past medical history of venous throm-boembolism require continuous oral anticoagulation therapy for a period of at least six months.