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여고 테니스 우수선수와 비우수선수의 호흡순환기능에 관한 연구
고기준,이재규,김종인,이광무,한재웅,신군수,김태운,안병철,문혜경 釜山大學校 附設 體育科學硏究所 1999 體育科學硏究所 論文集 Vol.15 No.-
The purpose of this study was to evaluate a study on Cardiorespiratory Functions of Elite Tennis Player and Non-Elite Tennis Player in Female High-School. The subjects were included 2 group(each group n=7); Elite Tennis Player group and Non-Elite Tennis Player group. The conclusion of this study was as follows: 1. Elite Tennis Player group showed significantly high in VO2max(p<.001) 2. Elite Tennis Player group showed significantly high in VCO2(p<.001) 3. Elite Tennis Player group showed significantly high in VO2max/kg(p.05)
PelB Signal Sequence로 유도된 제조합 인간 상피세포 증식인자 분비 발현 벡터의 제조
박세철,남정현,김정근,권태종,고인영,유광현 한국미생물생명공학회 ( 구 한국산업미생물학회 ) 1996 한국미생물·생명공학회지 Vol.24 No.5
전사개시 단계중에 삽입되는 N말단의 methionine이 제거되고 pelB signal sequence를 삽입하여 인체 epidermal growth factor (hEGF)가 직접 분비발현 되도록 고안된 T7과 tac promoter에 의하여 각각 발현되는 pYHB101과 pYHB2를 제조하였다. 또한 T7 promoter에 의하여 발현되지만 signal sequence를 삽입하지 않은 pYHB1도 제조하여 각각 제조된 재조합 plasmid들의 발현 및 분비효율을 비교하였다. pelB signal sequence hEGF 유전자를 갖도록 제조된 pYHB101을 포함하고 있는 균주가 pYHB1보다 균체 성장속도는 낮았지만 pYHB101을 1 mM IPTG로 5시간 induction 하였을 때 13 mg/l의 rhEGF가 분비발현되어 T7 promoter의 발현 체계를 갖는 경우가 tac promoter보다 높은 발현 효율을 보였다. 이때 pYHB101에서 발현되는 rhEGF의 발현량은 준최적 조건에서 14 mg/l이었다. We have designed nucleotide sequences of hEGF structural gene to eliminate the N-terminal methionine residue incorporated during the translation initiation step, and constructed recombinant human epidermal growth factor (rhEGF) secretion plasmids pYHB101, and pYHB2 in which pelB signal sequence-hEGF gene was expressed under the control of the T7, and tac promoter, respectively. We also constructed pYHB1 vector which contains rhEGF gene controlled by T7 promoter. The transformant with pYHB101 showed relatively slow growth pattern compared to the transformant with pYHB1. However, we observed that the transformant with pYHB101 secreted rhEGF of 13 mg/l significantly after 5 hr induction with 1 mM IPTG and that the T7 promoter was more effective than tac promoter when connected to pelB signal sequence. The amount of rhEGF was 14 mg/l under the sub-optimized condition.
임신부 뇨로부터 정제된 인간 상피세포 증식 인자 유사체의 in vitro bioassay 및 특성
박세철,전재현,남정현,권태종,고인영,유광현 한국미생물생명공학회 ( 구 한국산업미생물학회 ) 1996 한국미생물·생명공학회지 Vol.24 No.4
벤조산흡착, 음이온 교환수지, 단일클론항체을 이용한 immunoaffinity chromatography를 통하여 임신부 뇨로부터 천연의 hEGF를 정제하였다. 정제된 hEGF는 μ Bonda C_18 column을 사용한 HPLC 분석을 통하여 4개의 fraction으로 분리가 가능하였으며 western blot과 double immunodiffusion 실험 결과, 각각의 fraction이 hEGF의 특성을 가진 유사체인 것을 알 수 있었다. 또한 hEGF 표준 물질과의 spiking 및 아미노산 분석 등을 통하여 두 번째 fraction이 nhEGF와 동일한 것으로 확인하였다. nhEGF 및 그 유사체의 생물학적 활성 비교를 위하여 NIH 3T3 세포주에서 5'-Brdu incorporation 측정을 위한 labelling 시간, 혈청 농도의 최적 조건을 결정하였다. NIH 3T3 세포주의 DNA 합성능은 0.2% FCS가 포함된 저혈청 배지에서 hEGF가 0.1~10 ng/ml 농도로 첨가하였을 때 증가하는 경향을 나타냈다. HPLC를 통하여 분리된 두번째 hEGF 유사체가 다른 유사체보다도 생물학적인 활성이 우수하였으며, rhEGF 표준물질과의 spiking 및 아미노산 서열 분석등을 통하여 nhEGF로 밝혀졌다. 임신부의 뇨의 hEGF 유사체 함량중 natural hEGF는 46%이었다. Natural human epidermal growth facto (nhEGF) was purified from pregnant human urine by benzoic acid adsorption, DEAE-Sepharose ion exchange, and immunoaffinity chromatography. The purified nhEGF was further separated into four fractions using Bondapak C_18 HPLC system. Following characterization by Western blot and double immunodiffusion, we found that each fraction corresponds to four derivatives of the nhEGF. For biological analysis of nhEGF, we optimized the labeling time and serum concentration for the incorporation of 5-bromo-2'-deoxy-uridine (BrdU), a non-radioactive alternative for [^3H]-thymidine uptake, into NIH 3T3 cells. The DNA synthesis of NIH 3T3 cells was gradually increased at the nhEGF concentrations between 0.1~10 ng/ml in the Dulbecco's Modified Eagles Medium (DMEM) containing 0.2% Fetal calf serum (FCS). When we assayed the biological activity of four fractions, the activity of the second fraction was superior to that of the others.
규칙적인 유산소성 운동이 비만아동들의 신체구성 및 호흡순환기능에 미치는 영향
김태운,신군수,김종인,이광무,김성헌,안병철,고기준,한재웅,이재규 釜山大學校 附設 體育科學硏究所 1997 體育科學硏究所 論文集 Vol.13 No.-
The purpose of this study was to examined the effect of supervised regulary aerobic exercise program with cardiorespiratory function of obese children. The subjects were 16 obese Childrens(elementary school 4∼5 grade), and engaged in regulary aerobic exercise program for 9 weeks(5 days/week, 100 min/day, 60∼70% HRmax) with mountain climbing, basketball and football. The items of cardiorespiratory function measured VEmax, HRmax, RQmax, VCO₂max, VCO₂max, VCO₂max/kg and BFmax after treadmill exercise load. The conclusion of this study was as follows ; 1. In body composition, there were significant decrease(P<0.001) after aerobic exercise for 9 weeks in body weight, percent body mass index 2. In cardiorespiratory function, there were significant increase(P<0.001) after aerobic exercise for 9 weeks in VEmax and VCO₂max by treadmill exercise load. 3. In cardiorespiratory function, there were significant increase(P<0.001) after aerobic exercise for 9 weeks in VO₂mex and RQmax by treadmill exercise load. 4. In cardiorespiratory function, there were significant increase(P<0.001, P< 0.01) after aerobic exercise for 9 weeks in VO₂max/kg and BFmax by treadmill exercise load.
여중생들의 신체조성과 심폐기능 및 심박수 회복율에 관한 비교 연구 : 비만 여중생과 정상 여중생을 중심으로
김태운,신군수,김종인,이광무,김성헌,안병철,고기준,한재웅,이재규 釜山大學校 附設 體育科學硏究所 1996 體育科學硏究所 論文集 Vol.12 No.-
The purpose of this study was to compare and analyze the relation between body composition, cardiorespiratory functions and percent heart rate recovery in obese and normal middle school female students. We used total of 12 middle school female students(3rd grade) as subject and devided them into two groups : The measurement items of cardiorespiratory functions were HR, VE, RQ, VO₂, VCO₂, VO₂/kg, O₂pulse, VE/VO₂, VE/VCO₂, before and after treadmill exercise load. The statistical analysis were M±SD and t-test for groups(α=.05) using ?? statistical package. The conclusion of this study was as follows ; 1. In 5 items(FM, LBM, %Fat, TBW, BMI) all of body composition, obese group has been significantly higher than normal group(P<0.01). 2. In heart rate and VO₂ of resting(before exercise loads) cardiorespiratory functions, normal group has been significantly higher than obese group(P<0.05). 3. In VEmax of cardiorespiratory functions after exercise loads, obese group has been significantly higher than normal group(P<0.05), and in VO₂max, obese group has been significantly higher than normal group(P<0.01). 4. In 1, 3, 5 minute percent recovery all of percent heart rate recovery after exercise loads, normal group has been higher than obese group but there was no statistical significant difference.
Incidence and Distribution of Virus Diseases on Cucumber in Jeonnam Province During 1999-2002
Ko, Sug-Ju,Lee, Yong-Hwan,Cha, Kwang-Hong,Lee, Su-Heon,Choi, Hong-Soo,Choi, Yong-Soo,Lim, Geun-Cheol,Kim, Kook-Hyung The Korean Society of Plant Pathology 2006 Plant Pathology Journal Vol.22 No.2
Disease incidences of cucumber virus diseases in Jeonnam province were 52.5%, 16.1%, 35.2%, and 50.9% in 1999, 2000, 2001, and 2002, respectively. Rod- and flexuous rod-shaped virus particles were observed with the frequencies of 63.2% and 10.5%, respectively from the samples collected in 1999 under EM observation. Rod-shaped virus particles are considered as tobamovirus while flexuous rod shaped particles are considered as potyviruses. To further confirm their nature, total of 312 diseased virus samples were collected from 2000 to 2002, and tested by RT-PCR. Disease incidences of tobamoviruses including Cucumber green mottle mosaic virus and Kyuri green mottle mosaic virus were 48.7% and 3.8%, respectively while those of potyviruses including Zucchini yellow mosaic virus, Papaya ringspot virus, and Watermelon mosaic virus were 15.7%, 9.3%, and 5.1%, respectively. Interestingly, Cucumber mosaic virus was hardly detected. About 5.8% of tested samples were infected with more than one virus. Tobamovirus infection was consistently observed from September to December regardless of planting time, whereas infection of potyviruses was observed in many cucumber cultivating areas where it was planted in September and October.