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等電點 電氣泳動에 의한 배추와 양배추 育成系統에서의 自家不和合性 關聯 glycoproteins의 比較分析
이정명,최근원,민병훈,이태진,백남권,이철우 경희대학교 부설 식량자원개발연구소 1994 硏究論文集 Vol.15 No.-
等電點 電氣泳動을 이용하여 배추의 몇 개의 5-allele 造成과 그들의 F₁에서 自家不和合性의 발현과 관련된 glycoprotein의 band 樣相을 비교 분석한 결과는 다음과 같다. 1. 배추의 內婚系와 이들 간의 에서 柱頭內 glycoprotein의 band pattern을 分析한 결과 兩親의 band pattern이 F₁으로 그대로 遺傳되므로 써 명확한 同定 및 區分이 가능하였다. 2. 공시된 배추의 계통 중에서 8개의 等電點을 발견하였는데 대부분의 系統에서 pl 7.0 또는 8.6에서 major band를 보이고 있었다. 따라서 major band만으로는 S-allele genotype의 명확한 동정이 불가능한 경우도 상당히 있었다. 3. 상기 bands (pI 6.8 and 7.7)에서의 glycoprotein의 分子量은 pI 7.0에서 49,000-50,000이었고 pI 8.6에서 59,000으로 推定되었다. 4. 양배추는 배추에 비해서 glycoprotein의 major bands와 minor bands수가 많고 매우 다양하게 나타나므로써 S-allele 동정이 배추보다 매우 용이할 것임을 보여 주었다. Band patterns of glycoproteins associated with the expression of self-incompatibility were examined in the stigmatic extracts of self-incompatible Chinese cabbage inbred lines and the hybrids. Clear relationship in the band pattern could be confirmed in the parents and their hybrid, indicating the inheritance of S-alleles to the progeny. Total of 8 isoelectric points were indentified in the inbreds, with the major bands at pI 7.0 and 8.6. Thereforne, in some genotypes, identification of cultivars or S-allele genotypes were impossible with the major bands only. The molecular weights of the glycoproteins were estimated to be 49,000-50,000 for pI 7.0 and 59,000 for pI 8.6 bands. The stigmatic extracts from cabbages showed numerous major and minor bands so that identification of S-allele genotype will be much easier as compared to chinese cabbage.
Escherichia coli 패혈증 환자에 합병된 대칭적 하지 말단 괴사증 1예
남해성,유진홍,권순석,민준기,조현선,박민경,심병주,남유정,이지인,김진수,길욱현,조근종,신완식 대한감염학회 2005 감염과 화학요법 Vol.37 No.6
We have encountered a rare case of symmetrical peripheral gangrene complicating Escherichia coli sepsis in a 47-years-old male. He was successfully treated with antibiotics, anticoagulants, and vasodilator. To our knowledge, this is the first report on symmetrical peripheral gangrene complicating E. coli sepsis in Korea.
서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)
김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2
Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results: In 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.
AROS Is a Significant Biomarker for Tumor Aggressiveness in Non-cirrhotic Hepatocellular Carcinoma
Kwon, Jung-Hee,Ahn, Keun Soo,Moon, Young Ho,Park, Jin Young,Wang, Hee Jung,Choi, Kwan Yong,Kim, Gundo,Joh, Jae Won,Lee, Kyeong Geun,Kang, Koo Jeong The Korean Academy of Medical Sciences 2015 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.30 No.9
<P>Despite a low risk of liver failure and preserved liver function, non-cirrhotic hepatocellular carcinoma (HCC) has a poor prognosis. In the current study, we evaluated an active regulator of SIRT1 (AROS) as a prognostic biomarker in non-cirrhotic HCC. mRNA levels of AROS were measured in tumor and non-tumor tissues obtained from 283 non-cirrhotic HCC patients. AROS expression was exclusively up-regulated in recurrent tissues from the non-cirrhotic HCC patients (<I>P</I> = 0.015) and also in tumor tissues irrespective of tumor stage (<I>P</I> < 0.001) or BCLC stage (<I>P</I> < 0.001). High mRNA levels of AROS were statistically significantly associated with tumor stage (<I>P</I> < 0.001), BCLC stage (<I>P</I> = 0.007), alpha fetoprotein (AFP) level (<I>P</I> = 0.013), microvascular invasion (<I>P</I> = 0.001), tumor size (<I>P</I> = 0.036), and portal vein invasion (<I>P</I> = 0.005). Kaplan-Meir curve analysis demonstrated that HCC patients with higher AROS levels had shorter disease-free survival (DFS) in both the short-term (<I>P</I> < 0.001) and long-term (<I>P</I> = 0.005) compared to those with low AROS. Cox regression analysis demonstrated that AROS is a significant predictor for DFS along with large tumor size, tumor multiplicity, vascular invasion, and poor tumor differentiation, which are the known prognostic factors. In conclusion, AROS is a significant biomarker for tumor aggressiveness in non-cirrhotic hepatocellular carcinoma.</P>
Jung-Hyuk Kwon,Ik-Hyun Kwon,Jun-Ho Beak,Geun-Hyung Jang,이왕상 항공우주시스템공학회 2021 항공우주시스템공학회지 Vol.15 No.2
In this study, we aim to eliminate the flickering phenomenon in multi-function display (MFD) units during the flight of fixed-wing aircraft. To execute flight missions effectively, the video signals transmitted to MFDs must provide information accurately and seamlessly. Therefore, a method for addressing the flickering phenomenon—including cause analysis and failure diagnosis—is adopted; specifically, a wiring configuration with a direct connection between the video signal cables and with a short cable length is adopted. The proposed method is experimentally verified using a flight test.