http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
국내 중국 동포 여성들의 정기적 유방촬영술 수검 행위 예측요인
박금실(Piao, Jinshi),서은영(Suh, Eunyoung E.) 대한종양간호학회 2022 Asian Oncology Nursing Vol.22 No.1
Purpose: This study was performed to identify predictors of the regular mammography screening of Korean Chinese women in Korea. Methods: 244 Korean Chinese women living in Suwon and Seoul-Gyeonggi area participated in the survey. In this study, a total of six measurement tools were used, including knowledge about breast cancer and mammography, Eastern cultural views, and health belief model subfactors. Predictors of the regular mammography screening were analyzed by binary logistic regression analysis. Results: Only 48.77% of participants underwent regular mammography screening. Participants who underwent regular mammography screening had a longer period of stay (OR 1.1, 95% CI 1.02~1.17), had medical insurance (OR 24.38, 95% CI 2.78~213.55), had more knowledge (OR 1.2, 95% CI 1.04~1.39), subscribed to fewer Asian cultural views (OR 0.97, 95% CI 0.95~0.99), and confronted fewer barriers (OR 0.96, 95% CI 0.93~0.99) than those who did not. Conclusion: Regarding the mammography screening, it was found that for Korean-Chinese women, having insurance had a greater influence than cultural background. For Korean-Chinese women, insurance was linked to practical economic matters and this seems to have undoubtedly affected the conduct of mammography screening.
The Cytoskeletal and Chromosomal Constitution of Vitrified Immature Mouse Oocytes
박세필,이봉경,김은영,남화경,이금실,윤산현,정길생,임진호,Park, Se-Pill,Yi, Bong-Kyung,Kim, Eun-Young,Nam, Hwa-Kyung,Lee, Keum-Sil,Yoon, San-Hyun,Chun, Kil-Saeng,Lim, Jin-Ho The Korean Society for Reproductive Medicine 1999 Clinical and Experimental Reproductive Medicine Vol.26 No.3
연구목적: 본 연구는 동해방지제인 EFS40을 이용한 초자화동결이 생쥐 미성숙란의 cytoskeleton과 염색체의 성상에 미치는 영향을 indirect immunocytochemistry방법과 염색체 분석법으로 알아보고자 실시하였다. 연구재료 및 방법: 본 실험은 생쥐 미성숙란을 EFS40 (40% ethylene glycol, 18% ficou과 0.5 M sucrose가 들어있는 M2배양액)으로 초자화 동결하여 융해한 후 16시간동안 체외 성숙을 유도하여, 제 1극체가 나타난 성숙된 난자를 기준으로 동해제노출군 또는 대조군과 비교 조사하였다. 결과: 초자화동결된 미성숙란의 응해 후 생존율과 체외성숙율은 90.3%과 64.7%로써, 동해제노출군 (86.7%, 69.2%)과 대조군 (100%, 58.3%)에 유사하였다. 초자화동결이 미성숙란의 microtubule과 microfilament에 미치는 영향을 조사하였던 바, 동결군의 microtubule과 micro-filament의 정상적인 형성율 (93.9%, 100.0%)은 동해 제노출군 (94.4%, 100.0%)과 대조군 (100.0%, 100.0%)의 성적과 유사하게 나타났다. 또한, 초자화동결군에서 정상적인 염색체수를 가진 난자의 비율도 65.8%로써, 대조군(79.6%)과 노출군 (69.0%)의 결과와 유의한 차이가 없었다. 결론: 생쥐 미성숙란을 EFS40에 노출하고 동결하는 것이 미성숙란의 cytoskeleton과 염색체성상에 영향을 미치지 않으며, 본 연구에서 사용된 EFS40을 이용한 초자화동결법은 생쥐 미성숙란 동결에 적합하다는 것을 알 수 있었다. This study was to confirm whether the vitrification method using EFS40 freezing solution has detrimental effect on the cytoskeleton and chromosome constitution of the immature mouse oocytes by indirect immunocytochemistry and chromosome analysis. Immature mouse oocytes were vitrified using EFS40 (40% EG, 18% ficoll, 0.5 M sucrose diluted in M2 medium), thawed and then survived oocytes were in vitro matured for 16 hr. When the microtubule morphology and micro filament distribution in vitrified-thawed immature mouse oocytes were examined, normal percentage of two cytoskeleton in vitrified group (93.9 and 100.0%) was not significantly different from that in control (100.0 and 100.0%) and exposed group (94.4 and 100.0%). The rate of oocytes containing a normal chromosome number in vitrified group was 65.8%, this result was not significantly different from that in control (79.6%) and exposed group (69.0%). These results indicated that exposure to cryoprotectant or freezing has not effect on the alteration of cytoskeleton morphology and the chromosome constitution of mouse oocytes and that our vitrification methods using EFS40 freezing solution was suitable for the cryopreservation of immature mouse oocytes.
신경성장촉진 인자가 인간 배아줄기세포 유래 도파민 분비 신경세포형성에 미치는 영향
이금실,김은영,신현아,조황윤,왕규창,김용식,이훈택,정길생,이원돈,박세필,임진호,Lee, Keum-Sil,Kim, Eun-Young,Shin, Hyun-Ah,Cho, Hwang-Yoon,Wang, Kyu-Chang,Kim, Yong-Sik,Lee, Hoon-Taek,Chung, Kil-Saeng,Lee, Won-Don,Park, Se-Pill,Lim, Jin 대한생식의학회 2004 Clinical and Experimental Reproductive Medicine Vol.31 No.1
Objective: This study was to examine the in vitro neural cell differentiation patterns of human embryonic stem (hES) cells following treatment of various neurotrophic factors [basic fibroblast growth factor (bFGF), retinoic acid (RA), brain derived neurotrophic factor (BDNF) and transforming growth factor (TGF)-$\alpha$], particulary in dopaminergic neuron formation. Methods: The hES cells were induced to differentiate by bFGF and RA. Group I) In bFGF induction method, embryoid bodies (EBs, for 4 days) derived from hES were plated onto gelatin dish, selected for 8 days in ITSFn medium and expanded at the presence of bFGF (10 ng/ml) for another 6 days followed by a final differentiation in N2 medium for 7, 14 and 21 days. Group II) For RA induction, EBs were exposed of RA ($10^{-6}M$) for 4 days and allowed to differentiate in N2 medium for 7, 14 and 21 days. Group III) To examine the effects of additional neurotrophic factors, bFGF or RA induced cells were exposed to either BDNF (10 ng/ml) or TGF-$\alpha$ (10 ng/ml) during the 21 days of final differentiation. Neuron differentiation and dopamine secretion were examined by indirect immunocytochemistry and HPLC, respectively. Results: The bFGF or RA treated hES cells were resulted in similar neural cell differentiation patterns at the terminal differentiation stage, specifically, 75% neurons and 11% glial cells. Additionally, treatment of hES cells with BDNF or TGF-$\alpha$ during the terminal differentiation stage led to significantly increased tyrosine hydroxylase (TH) expression of a dopaminergic neuron marker, compared to control (p<0.05). In contrast, no effect was observed on the rate of mature neuron (NF-200) or glutamic acid decarboxylase-positive neurons. Immunocytochemistry and HPLC analyses revealed the higher levels of TH expression (20.3%) and dopamine secretion (265.5 $\pm$ 62.8 pmol/mg) in bFGF and TGF-sequentially treated hES cells than those in $\alpha$ RA or BDNF treated hES cells. Conclusion: These results indicate that the generation of dopamine secretory neurons from in vitro differentiated hES cells can be improved by TGF-$\alpha$ addition in the bFGF induction protocol.