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박상렬,김지훈,황재하,김광석,이삼용,Park, Sang-Ryul,Kim, Ji-Hoon,Hwang, Jae-Ha,Kim, Kwang-Seog,Lee, Sam-Yong 대한성형외과학회 2010 Archives of Plastic Surgery Vol.37 No.5
Purpose: Facial allotransplantation (FA) could provide an excellent alternative to current treatments for facial disfigurement. However, despite being technically feasible, there continues to be various ethical and psychosocial issues associated with the risks and benefits of performing FA. The purpose of this study is to investigate risk acceptance and expectations in FA. Methods: In a quantitative assessment of risk versus benefit with respect to FA, from 2004 to 2008, Barker et al. developed and published a questionnaire-based instrument (Louisville Instrument for Transplantation [LIFT]), which contained 237 standardized questions. In the current study, the authors assessed risk versus benefits and expectations of FA using a Korean version of the LIFT. Respondents in three study groups (lay public, n=140; medical students, n=120; doctors, n=34) were questioned about risk acceptance as related to immunosuppression and tissue rejection, and expectations as related to quality of life improvement, and functional and aesthetic outcomes. A summary of the data has been provided and statistical analyses were performed. Results: Among the three study groups, results indicated that doctors accept the least amount of risk for a facial allotransplant, followed by medical students, and finally lay public. There was a significant statistical difference in three of the four questions regarding risk acceptance between the groups (p < 0.05). In general, lay public exhibited higher expectations for facial allotransplantation than the other groups. Additionally, there was a significant statistical difference in the importance of aesthetic outcome between the groups (p < 0.05). Conclusion: The authors' data indicate the three populations have vastly different levels of risk acceptance and expectations with regard to FA. Therefore, it is very important that surgeons establish clear, open, and thorough communication with patients in their consultations regarding FA. This is particularly important with respect to whether or not a patient's level of risk acceptance and expectations are progmatic.
전사인자 OsNAC58 과발현을 통한 벼 흰잎마름병 저항성 증진 벼
박상렬,김혜선,이경실,황덕주,배신철,안일평,이서현,김선태,Park, Sang Ryeol,Kim, Hye Seon,Lee, Kyong Sil,Hwang, Duk-Ju,Bae, Shin-Chul,Ahn, Il-Pyung,Lee, Seo Hyun,Kim, Sun Tae 한국식물생명공학회 2017 식물생명공학회지 Vol.44 No.2
벼는 중요한 식량작물이며 지속적으로 벼흰잎마름병균, 도열병균, 잎집무늬마름병균, 바이러스 등 여러 병원균에 의해 수확량이 영향을 받고 있다. 이들 중 Xanthomonas oryzae pv. oryzae (Xoo)에 의해 유발되는 벼흰잎마름병은 세계 벼 재배지역에 발병하여 막대한 피해를 주고 있어 문제가 되고 있다. 따라서 생물적/비생물적 스트레스 저항성에 관여한다고 알려져 있는 식물 특이 전사인자 중의 하나인 NAC(NAM, ATAF, and CUC) 전사인자를 이용하여 벼의 벼흰잎마름병에 대한 저항성을 증진시키고자 하였다. 본 연구에서는 벼에서 NAC 전사인자 중 하나인 OsNAC58 유전자를 분리해 냈으며 아미노산 서열을 바탕으로 분석해 본 결과이 유전자는 5개의 NAC전사인자 group 중에서도 stress와 많은 관련이 있다고 알려진 group III에 속하였다. 또한 세포 내 위치를 확인하기 위해 GFP와 융합한 단백질을 이용해 조사해 본 세포 내에서도 핵에 위치하는 것으로 조사되었다. OsNAC58 유전자의 생물학적 기능 분석을 위해 이 유전자를 과발현시킨 벼 형질전환체를 만들었다. 동진벼를 기준으로 보다 발현이 높은 13개 계통을 선발하였으며, 이들 계통에 벼흰잎마름병균을 접종하여 병저항성을 검정한 결과 동진벼에 비해 벼흰잎마름병에 대한 저항성이 크게 증대함을 보였다. 이것은 벼의 OsNAC58 유전자가 벼흰잎마름병균 침입 시 숙주인 벼 핵 내에서 벼의 병저항성 기작을 조절하여 나타난 결과로 추정된다. Bacterial blight in rice caused by Xanthomonas oryzae pv. oryzae (Xoo) greatly reduces the growth and productivity of this important food crop. Therefore, we sought to increase the resistance of rice to bacterial blight by using a NAC (NAM, ATAF, and CUC) transcription factor, one of the plant-specific transcription factors that is known to be involved in biotic/abiotic stress resistance. By isolating the OsNAC58 gene from rice and analyzing its biological functions related to Xoo resistance, phylogenetic analysis showed that OsNAC58 belongs to group III. To investigate the biological relationship between bacterial leaf blight (BLB) and OsNAC58 in rice, we constructed a vector for overexpression in rice and generated transgenic rice. The expression analysis resulting from use of RT-PCR showed that OsNAC58-overexpressed transgenic rice exhibited higher levels of OsNAC58 expression than wild types. Further, subcellular localization analysis using rice protoplasts showed that the 35S/OsNAC58-SmGFP fusion protein was localized in the nuclei. Thirteen OsNAC58-overexpressed transgenic rice lines, with high expression levels of OsNAC58, showed more resistant to Xoo than did the wild types. Together, these results suggest that the OsNAC58 gene of rice regulates the rice disease resistance mechanism in the nucleus upon invasion of the rice bacterial blight pathogen Xoo.
Inconel713C 모사 용액으로부터 Alamine336을 통한 Mo의 용매추출분리를 위한 기초 연구
박상렬,안종관,Park, Sang-ryul,Ahn, Jong-gwan 한국자원리싸이클링학회 2018 資源 리싸이클링 Vol.27 No.4
Inconel713C which of a commercial Ni super alloy have the compositions of 70 wt.% Ni, 12 wt.% Cr, 6 wt.% Al and 4 wt.% Mo. In this study, solvent extraction has been performed to separate Mo from the synthetic leaching solution, formation of Inconel713C alloy similarly and is found the optimum conditions of recovery of Mo from the leaching solution. The effects of some variables, such as the nature and concentration of the extractants, $H_2SO_4$ concentrations, and the presence of impurities were investigated. The extraction percentage of Mo by Cyanex272 is 96% in the condition of pH 1 and 4% of concentration of Cyanex272 but Alamine336 is 99% in the condition of the range of pH 1 to 4 and 1 wt.% of concentration of Alamine336. In the case of Alamine336, the extraction percentage of Mo is increased by increasing of the concentration of Alamine336. The optimum condition of this experiment is pH 1 in aqueous phase, 1% concentration of Alamine336 and activation ratio of $H_2SO_4$ 1:0.5.