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Preliminary PET Study of <sup>18</sup>F-FC119S in Normal and Alzheimer’s Disease Models
Oh, Se Jong,Kim, Min Hwan,Han, Sang Jin,Kang, Kyung Jun,Ko, In Ok,Kim, YoungSoo,Park, Ji-Ae,Choi, Jae Yong,Lee, Kyo Chul,Chi, Dae Yoon,Lee, Yong Jin,Kim, Kyeong Min American Chemical Society 2017 MOLECULAR PHARMACEUTICS Vol.14 No.9
<P>To evaluate the efficacy of F-18-FC119S as a positron emission tomography (PET) radiopharmaceutical for the imaging of Alzheimer's disease (AD), we studied the drug absorption characteristics and distribution of F-18-FC119S in normal mice. In addition, we evaluated the specificity of F-18-FC119S for beta-amyloid (A beta) in the AD group of an APP/PS1 mouse model and compared it with that in the wild-type (WT) group. The behavior of F-18-FC119S in the normal mice was characteristic of rapid brain uptake and washout patterns. In most organs, including the brain, F-18-FC119S reached its maximum concentration within 1 min and was excreted via the intestine. Brain PET imaging of F-18-FC119S showed highly specific binding of the molecule to A beta in the cortex and hippocampus. The brain uptake and binding values for the AD group were higher than those for the WT group. These results indicated that F-18-FC119S would be a candidate PET imaging agent for targeting A beta plaque.</P>
2011-2012년 인플루엔자 국내 유행시기에 신생아 중환자실에서 발생한 A형 인플루엔자 바이러스 집단발병
손옥성 ( Ok Sung Son ),오지은 ( Chi Eun Oh ),공섬김 ( Seom Gim Kong ),정유진 ( Yu Jin Jung ),홍유라 ( Yoo Rha Hong ) 대한소아감염학회 2016 Pediatric Infection and Vaccine Vol.23 No.2
목적: 신생아 중환자실(neonatal intensive care unit, NICU)에서 인플루엔자 바이러스 집단 발병의보고는 흔하지 않으며 그 증상은 다양하다. 저자들은 국내 단일기관 NICU에서 발생한 A형 인플루엔자바이러스 감염의 집단발병에 대해 보고하고 신생아 특히 미숙아에서의 임상적 특성을 알아보고자 하였다. 방법: 2011-2012년 국내 인플루엔자 바이러스 감염 유행 시기에 고신대학교 복음병원 NICU에 입원한 환자들 중 인플루엔자 바이러스 RT-PCR 검사를 시행한 29명 환자들의 의무기록을 후향적으로 조사하였다. 결과: 대상 환자 중 11명에서 A형 인플루엔자 바이러스 양성이었는데(37.9%), 모두 미숙아였고 이들중 3명(27%)은 증상이 없었으며 상기도 감염 증상 없이, 발열(18%, 2/11), 호흡곤란(72.7%, 8/11), 소화기 증상(27.3%, 3/11)이 있었다. 증상 소실까지 기간의 중앙값은 5일이었다. 이들은 모두 합병증없이 생존하여 퇴원하였다. A형 인플루엔자 바이러스 RT-PCR 양성군과 음성군 사이에 검체 채취시재원기간, CRIB 점수, 기계환기 과거력, 덱사메타손 사용 과거력의 차이가 있었다. 결론: 신생아 특히 미숙아에서 A형 인플루엔자 바이러스 감염의 증상은 비특이적이므로 지역 내 인플루엔자 유행시기에는 NICU 입원 중인 신생아에서 감염질환의 원인 병원체로 인플루엔자 바이러스를 고려해야 한다. Purpose: An outbreak of influenza virus is uncommon in neonatal intensive care unit (NICU). The clinical presentation of influenza virus infection in neonates is diverse. This study was aimed to report an outbreak of influenza A in a NICU and to investigate the clinical characteristics of influenza virus infection in neonates especially preterm infants during the 2011-2012 influenza season in Korea. Methods: We reviewed the medical records of 29 patients who were evaluated by respiratory virus multiplex reverse transcriptase-polymerase chain reaction (RT-PCR) at NICU of Kosin University Gospel Hospital during the 2011-2012 seasonal influenza outbreak in Korea. Results: Eleven patients (37.9%) were influenza A virus RT-PCR positive during the survey periods. They were all preterm infants and three of them had no symptoms. Eight patients had symptoms and it was fever (18%, 2/11), respiratory difficulty (72.7%, 8/11) without symptoms of upper respiratory infection, and gastrointestinal symptoms (27.3%, 3/11). The median duration of symptom was 5 days. There were differences of duration of admission at the test of respiratory RT-PCR, Clinical Risk Index for Babies (CRIB) score, use of mechanical ventilation, and use of dexamethasone before infection between influenza A virus RT-PCR positive and negative group. All 11 patients with influenza A were discharged without any complications. Conclusions: The symptoms of influenza A virus infection in the preterm infants is nonspecific. Influenza A virus should be considered as a possible cause of infection in NICU during the influenza season in the community.
낚시참여자의 레크리에이션전문화가 자원소비성향에 미치는 영향
오치옥 ( Chi-ok Oh ),남정호 ( Jung-ho Nam ),한주형 ( Ju-hyoung Han ) 한국수산경영학회 2019 수산경영론집 Vol.50 No.3
Recreation specialization and consumptive orientation are two important constructs to understand anglers’ attitudes and behaviors. Although theoretical explanations and previous studies in different countries addressed the relationships between the two constructs, limited support has been provided in a context of anglers in Korea. This study developed a conceptual model explaining the causal relationships between recreation specialization, anglers’ preferences (activity-specific and activity-general) and consumptive orientation. An on-site survey was conducted to anglers in the city of Busan and Gyeongnam province in 2018. A total of 614 data were analyzed using Structural Equation Modeling The study results showed that recreation specialization positively and indirectly influenced consumptive orientation via anglers’ activity-specific and activity-general preferences. Theoretical and practical implications are further discussed.