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Ye Hoon Choi(최예훈),Keun Ki Kim(김근기),Hong Joo Son(손홍주),Hae Soo Shin(신해수),Hyean Cheal Park(박현철) 한국생명과학회 2007 생명과학회지 Vol.17 No.12
미생물 제제의 실내 pot 실험을 통한 효능 실험에서 선발된 Monacrosporium thaumasium 을 이용한 KBC3017 제제의 실외 포장 실험을 통해 최적의 구성과 효능 조건을 찾았다. 선발된 균주의 미생물제제 제조를 위해 첨가한 첨가제 중 무기증량제로 Diatomite와 유기증량제로 생옥분이 효과적이었으며, 처리량별 선충 밀도 억제효과는 처리량이 많을수록 효과가 높았으나, 적정 처리량은 2%의 diatomite와 옥가루가 포함된 KBC3017 제제를 이용하여 방제하였을 때 71%의 선충 방제 효과가 나타났다. 이 방제가는 대조구와 비교하였을 때 뿌리와 줄기에서 보다 좋은 효과가 있었다. The created microbial pesticide was used to examine its effects using the inside-pot test method. The selected microbial pesticide KBC3017 particle pesticide manufactured by using Monacrosporium thaumasium was used in the farm-house outdoor test to find the optimum consistency and its effects. The more amount used, the better effect it showed. However, the optimum consistency was 2% and the KBC3017 particle pesticide for which the diatomite and raw jade powder were used as an increaser, when used 2% level of the total amount of soil, showed 71% effect on nematode prevention. The root and the stem of crops were better compared to those without any pesticide used.
최예훈 ( Ye Hoon Choi ),박철훈 ( Chul Hun Park ),이귀세라 ( Gui Se Ra Lee ),김사진 ( Sa Jin Kim ),신종철 ( Jong Chul Sin ),나종구 ( Jong Gu Na ),김수평 ( Soo Pyung Kim ) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.12
Objective : To evaluate optimal management of an ovarian tumor in pregnancy Methods : This study includes 89 cases of an ovarian tumor in pregnancy that required surgery at Catholic Medical Center, Kangnam St. Mary`s hospital, Holy Family hospital of the
OVCAR-3 세포주에서 Annexin V, Propium Iodide와 Cytokeratin 염색에 의한 고사세포의 측정
송민경 ( Song Min Gyeong ),권문기 ( Kwon Mun Gi ),이정웅 ( Lee Jeong Ung ),최예훈 ( Choi Ye Hoon ),김태우 ( Kim Tae U ),류기성 ( Ryu Ki Sung ),나종구 ( Rha Jong Gu ),한구택 ( Han Gu Taeg ) 대한산부인과학회 2003 Obstetrics & Gynecology Science Vol.46 No.7
Objective : This study was designed to estimate the chemosensitivity by a quantitative evaluation of the apoptotic cell fractions using flow cytometry. Methods : The OVCAR-3 cells were exposed to 20 nM or 30 nM taxol for 0 (control), 24 and 48 hours, then removed the taxol contained media, and cultured further with fresh media without taxol. (1) Fluorescin isothiocyanate-conjugated Annexin V (Annexin V-FTTC) and propidium iodide (PI) were added to one test tube to detect the apoptotic cell fractions and at the same time, PI was added to the other tube to stain the DNA. (2) Annexin V-FITC and cytokeratin (clone CAM5.2 and MNF116) were added to the test tube. They were fixed and permeabilized with 1% paraformaldehyde solution and 100% methanol. They were then incubated with phycoerythrin (PE)-conjugated goat anti-mouse immunoglobulin G (GAM IgG_1-PE or GAM IgG_2a-PE) and sequentially stained with PI for DNA. All the stained cells were analyzed by a FACScan flow cytometer. Results : (1) After treatment of 20 nM or 30 nM of taxol, G_2M arrest was observed in both of treatment groups, which increased with time. (2) The G_0G_1 sub-fraction indicative of apoptosis increased with increase of culturing time from 24 hrs to 48 hrs. (3) The early apoptotic cell fraction with positive annexin V-FITC and negative PI increased with increase of culturing time. (4) In cells stained sequentailly with annexin V-FITC, cytokeratin (CAM5.2 and MNF116), and PI after 30 nM taxol treatment, the early apoptotic cell fractions increased with increase of culturing time. However, their extent was somewhat lower than those observed by positive annexin V-FITC and negative PI in cells treated with 20 nM of taxol. Conclusion : The results of sequential stainings with annexin V-FITC, cytokeratin, and PI were consistent with the those of annexin V-FITC and PI with parallel DNA staining. Our results suggested that the level of apoptosis detected by flow cytometry could be a marker of chemosensitivity which could select the sensitive anti-cancer agents before administration to gynecologic cancer patients.