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임정훈,Lee Ga Young,Jeon Yena,Jung Hee-Yeon,Choi Ji Young,CHO, JANG-HEE,Park Sun Hee,김용림,Kim Hyung-Kee,Huh Seung,유은상,Won Dong Il,Kim Chan-Duck 대한신장학회 2022 Kidney Research and Clinical Practice Vol.41 No.3
Background: The number of elderly patients with end-stage kidney disease has been increasing, but the outcomes of kidney transplants (KT) remain poorly understood in elderly patients. Therefore, we evaluated the clinical outcomes of elderly KT recipients and analyzed the impact of elderly donors. Methods: This retrospective cohort study included patients who underwent KT between 2000 and 2019. KT recipients were divided into four groups according to a combination of recipient and donor age (≥60 or <60 years); elderly recipients: old-to-old (n = 46) and young-to-old (n = 83); young recipients: old-to-young (n = 98) and young-to-young (n = 796). We compared the risks of mortality, graft failure, and acute rejection between groups using Cox regression analysis. Results: The incidence of delayed graft function, graft failure, and acute rejection was not different among groups. Annual mean tacrolimus trough level was not lower in elderly recipients than young recipients during 10-year follow-up. Mortality was significantly higher in elderly recipients (p = 0.001), particularly infection-related mortality (p < 0.001). In multivariable Cox regression analysis, old-toold and young-to-old groups had increased risk of mortality (adjusted hazard ratio [aHR], 2.89; 95% confidence interval [CI], 1.14– 7.32; p = 0.03; aHR, 3.06; 95% CI, 1.51–6.20; p = 0.002). However, graft failure and acute rejection risks were not increased in elderly recipients. Conclusion: In elderly recipients, graft survival and acute rejection-free survival were not inferior to those of young recipients. However, mortality, especially risk of infection-related death, was increased in elderly recipients. Thus, low immunosuppression intensity might help decrease mortality in elderly recipients.
Kyu-shik Jeong,정원일,Jae-yong Chung,Mi-young An,Chae-yong Jung,Gyoung-jae Lee,Jong-soo Kang,Byeong-cheol Kang,Young-heun Jee,Bruce H Williams,Young-oh Kwon,Da-hee Jeong 대한수의학회 2003 Journal of Veterinary Science Vol.4 No.2
Cirrhosis Occurring in a Young Woodchuck (Marmota monax) Due to Vertical Transmission of Woodchuck Hepatitis Virus (WHV)Da-hee Jeong, Won-il Jeong, Jae-yong Chung, Mi-young An, Chae-yong Jung, Gyoung-jae Lee1, Jong-soo Kang1, Byeong-cheol Kang2, Young-heun Jee3, Bruce H Williams4, Young-oh Kwon5 and Kyu-shik Jeong*College of Veterinary Medicine, Kyungpook National University, Daegu 702-701, Korea1Shinwon Scientific Co., LTD, Research Institute, Suwon, Korea2Clinical Research Institute, Seoul National University, Seoul 110-744, Korea3College of Veterinary Medicine, Jeju National University, Jeju 690-756, Korea
미치광이풀 모상근 배양에서 Tropane Alkaloid 생산성 증진을 위한 최적 생물학적 엘리시터 선발
정희영,강승미,강영민,김용덕,양재경,정영관,최명석 Plant molecular biology and biotechnology research 2003 Plant molecular biology and biotechnology research Vol.2003 No.-
Scopolamine and hyoscyamine which belong to tropane alkaloids are the pharmaceutically valuable anticholinergic drugs. In order to increase the productivities, the effects of elicitation were investigated during hairy root cultures of Scopolia parviflora. Biotic elicitors originated from 3 fungi and 1 yeast were prepared as homogenate and supernatant and added to 3-week-old cultures. Both of homogenate and supernatant of Candida albicans elicitors increased the scopolamine production. The production of hyoscyamine was enhanced by homogenate of Fusarium solani and supematant of C. albicans. Most of the other fungal elicitors were also improved on the tropane alkaloid production compared to non-treatment. Among the elicitors tested, C. albicans was proved the optimal biotic elicitor on tropane alkaloids production. These results will be served mass production of tropane alkaloids by large-scale production.
Pseudomonas putida SM25에서의 catBC 유전자의 발현과 catBCA Operon의 Promoter 부위 분석
정영희,민경희,김지영,최순영 숙명여자대학교 자연과학연구소 1997 자연과학논문집 Vol.- No.8
catBCA operon은 catechol로 부터 β-ketoadipate enol-lactone까지 ortho-경로로 분해되는 효소들을 암호하고 있으며, 이들 유전자들은 서로 연관된 전사 조절을 받고 있다. Pseudomonas putida SM25의 염색체로 DHA로 부터 catBCA promoter부위를 pRS415a에 클로닝하여 재조합 plasmid인 pRSB1을 제조하였다. 이 promoter의 작동을 lacZ의 reporter gene인 β-galactosidase의 활성으로 그 발현을 측정하였으며, 그 결과 Escherichia coli내에서의 promoter의 작동은 promoter가 없는 경우의 세표에서 보다 그 활성이 약 10배 높게 나타났다. S1 mapping으로 조사한 결과 catBCA promoter부위는 catB의 번역 개시코돈으로부터 약 45bp upstream부위에 전사개시 부위가 있는 것으로 추정된다. catBC promoter의 작동에 의한 mRNA의 발현은 RT-PCR을 이용하여 간접적으로 조사한 결과, cis, cis-muconate로 유도한 경우 mRNA발현은 현저하게 높게 나타내었으며, P. putida cell에서의 발현이 E. coli cell내에서 보다 높게 나타났다. catBCA genes are encoded for the dissimilation of catechol to β-ketoadipate enol-lactone by ortho-pathway and are regulated under corrdinate transcription regulation. Promoter region of catBCA operon was inserted into a promoter probe vector, pRS415a with lacZ gene, constructing recombinant plasmid pRSB1 carrying pRS415a-catBCA promoter in order to analyze expression from the catBC promoter. The transcription level of pRSB1 was increased 10 fold higher than that of pRS415a. The in vivo transcription initiation site of the catBCA operon was determined by S1 nuclease protection analysis, indicating that it was located on about 45bp upstream from the initiation codon of the translation. Transcription level of the catBCA operon in Pseudomonas putida SM25 was analyzed by RT-PCR indirectly. mRNA of catBC genes was synthesized in both the cells of P.putida PPO200-2 and Escherichia coli NovaBlue under the control of the promoter with induction of cis, cis-muconate.
분말혼화제를 사용한 콘크리트 포장(包裝)화에 관한 기초적 연구
한다희,김영주,박무영,박희곤,이영도,정상진 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
Most concrete is recently made of an aggregate which is properly absorbed, and carried in it according to its capability at every fields. We have been close to demand new capability of high flowing and enduring for specific concretes. That is difficult to cope with claiming the efficiency on deterioration from lack of a high quality aggregate. Therefore, For solving the problems we apply to method of packaged dry combined materials for concrete using dried materials. That is to say that it is a kind of making into an instant. In this study, There is a purpose to present fundamental data, comparing and analyzing a phenomenon of aggregate's absorption following the rate of adding water, for using existing materials.
식물생장조절제 Seaweed extracts(GA14)의 수도 품종간 생육 및 수량에 미치는 효과
송재영,김용일,박보영,정재영,최현구,정종태,이희봉 충남대학교 농업과학연구소 2004 농업과학연구 Vol.31 No.1
This study was carried out to identify the effects of seaweed extracts(GA14) on growth of two rice cultivars, Junambyo and Donganbyo. Seedling qualities of two cultivars were better in all items including heading dates at early stage treated at seedling plus 2-3 leaf stages than at single treatment of seedling. Ripening ratio of Junambyo in paddy field was increased 0.3% by seaweed extracts(GA14) treatment, but that of Donganbyo decreased 0.5%. 1,000 grain weight of Junambyo and Donanbyo by seaweed extracts(GA14) treatment was two to four grams higher and the yield of two cultivars was also higher by three to four percent. Appearance characters of two rice cultivars was high in head, while damaged, chalky and crack rate were low at seaweed extracts(GA14) treatment. Protein, moisture and amylose characteristics related to table quality of Junambyo were not different by seaweed extracts treatment, but table values was high in only treatment. Donganbyo was also similar to Junambyo, but table quality was slightly high at non-treatment.
사료용 옥수수 연구 N. 조사료용 CNU 육성 교잡종 옥수수의 수량관련 주요특성
이희봉,정재영,김용일,박보영,지희정,문현귀 충남대학교 농업과학연구소 2006 농업과학연구 Vol.33 No.1
This study was carried out to compare a yield performance about CNU maize hybrids developed at the Maize Genetics and Breeding Lab, in Chungnam National University. Among the hybrids incorporated in the test, CNU 3 and 1 showed higher dry matter per 10a and lower kernel yield per 10a than check hybrid, Kwanganok. Hongchon 5 and Suwon169 showed higher kernel yield than Kwanganok. The average yield of CNU 3 hybrid in dry matter and CNU 4 in kernel yield were 2,106kg/10a and 854kg/10a in regional adaptability test, which were increased 33% and 8% compared with a check hybrid, respectively. Also, these hybrids had better stay green characteristics than check hybrid and showed moderately resistance to corn borer and leaf spot.
부산지역 무균성 뇌막염 원인 바이러스의 분리 및 동정 : 1998년을 중심으로
김영희,정영기,김기순,지영미,윤재득,김병준,구평태,민상기,정구영,김만수,조경순 동의대학교 기초과학연구소 2000 基礎科學硏究論文集 Vol.10 No.1
The incidence of aseptic meningitis infection is ensuing and threatening the health of children. Enteroviruses are the major agents of aseptic meningitis and identification of virus has been a clue to diagnosis and epidemiology. The outbreak of aseptic meningitis occurred in Pusan, 1998. Patients were concentrated from April through November. Children were more susceptible than adults. Among 306 cases of specimens from stool, throat swab tested, only 7.2% were positive on virus isolation, 12 cases from stool and 10 from throat, respectively. All isolated 7 serotypes of viruses represented cytopathic effect on cultured cells. Three types of echovirus 6, 25, 30 and coxsackievirus B2, B3, B4, B6 were identified by neutralizing anti body test. Isolated coxsackievirus and echovirus were observed by an electron microscope with negative staining.
심한 낙타혹(Hump)의 형성을 동반한 제 2 형 막증식성 사구체신염(Dense Deposit Disease) 1예
오희정,유민아,이영숙,김미연,김승정,강덕희,윤견일,최규복,성순희 이화여자대학교 의과대학 2004 EMJ (Ewha medical journal) Vol.27 No.1
Dense deposit disease (DDD), known as type Ⅱ MPGN, is an uncommon form of glomerulonephritis. It is an acquired primary glomerular disease, characterised by electron microscopic evidence of a continous, dense membrane deposition replacing the lamina densa. There is associated alternative pathway complement activation and a C3 nephritic factor maybe present. Patients with dense deposit disease tend to be young at clincal onset and more commonly have persistent nephrotic syndrome, gross hematuria, and acute nephritis episode and persistent depression of the serum complement level. The prognosis of dense deposit disease is worse than that of typeⅠMPGN. We experienced a patient with dense deposit disease that presenting persistent nephrotic syndrome, gross hematuria and having subepithelial hump. It is a first report of dense deposit disease having subepithelial hump in Korea, therefore we report this case with the review of relevant literatures.