http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
자가혈청하에서 FGF-2와 덱사메타손에 의한 골수중간엽줄기세포의 증식과 분화에 대한 효과
손민정 ( Min Jung Shon ),이선영 ( Sun Young Lee ),김태호 ( Tae Ho Kim ),유창국 ( Chang Kook You ),김석영 ( Suk Young Kim ),정필훈 ( Phil Hoon Choung ),손영숙 ( Young Sook Son ),박의균 ( Eui Kyun Park ),김신윤 ( Shin Yoon Kim ) 한국조직공학과 재생의학회 2005 조직공학과 재생의학 Vol.2 No.4
Previously we have shown that heat-inactivated autologous serum (HAS) has a potential to stimulate proliferation and ostoblastic differentiation of bone marrow stromal cells (BMSCs). In the present study we investigated whether stimulatory effects of HAS on proliferation and osteoblastic differentiation of BMSCs are further potentiated by fibroblast growth factor-2 (FGF-2) and dexamethasone (Dex). As expected, FGF-2 and Dex stimulated proliferation of BMSCs up to 17% at 5 days and 26% at 7 days of culture compared to HAS control. These results suggest that FGF-2 and Dex in the presence of HAS further stimulate proliferation of BMSCs. In order to examine whether BMSCs expanded with FGF-2, Dex and HAS harbor multipotency, the expanded cells were stimulated with either osteogenic or adipogenic cocktails. BMSCs expanded with FGF-2, Dex and HAS for 7 days were able to be differentiated into either osteoblasts or adipocytes. Taken together, these results demonstrate that FGF-2 and Dex in combination with HAS further stimulates proliferation of BMSCs and these expanded cells maintain potentials to be differentiated into either osteoblasts or adipocytes.
여러 종류의 성장인자와 덱사메타손이 골수간엽줄기세포의 증식에 미치는 효과
손민정 ( Min Jung Shon ),이선영 ( Sun Young Lee ),김태호 ( Tae Ho Kim ),김석영 ( Suk Young Kim ),강길선 ( Gil Son Khang ),손영숙 ( Young Sook Son ),신홍인 ( Hong In Shin ),김신윤 ( Shin Yoon Kim ),박의균 ( Eui Kyun Park ) 한국조직공학과 재생의학회 2006 조직공학과 재생의학 Vol.3 No.4
Bone marrow stromal cells(BMSCs) are pluripotent cells capable of differentiating into several types of cells and are thus an attractive cell source for connective tissue engineering. For use of BMSCs in there applications, ex vivo expansion is necessary to obtain sufficient numbers of cells. Various growth factors regulate the recruitment of progenitor cells and their proliferation and differentiation into matured cells. In this study we have investigated the effects of different growth factors and in combination with dexamethasone(Dex) on the proliferation of BMSCs. We found that at a low concentration of growth factors(1 ng/mL) including fibroblast growth factor(FGF)-2, epidermal growth factor(EGF), hepatocyte growth factor(HGF), transforming growth factor-ß(TGF-ß), vescular endothelial growth factor(VEGF) and platelet derived growth factor-BB(PDGF-BB), FGF-2 was most effective in stimulation of proliferation in BMSCs in vitro. In addition, when FGF-2, PDGF and EGF were combined with Dex, proliferation of BMSCs was further stimulated. Among the growth factors, it was shown that FGF-2 in combination with Dex showed most prominent effect on stimulation of BMSCs. These results demonstrate that a low concentration of FGF-2 incombination with Dex may be useful stimulants for ex vivo expansion of BMSCs.
FGF-2와 덱사메타손이 지방기질세포의 증식 및 분화에 미치는 영향
이선영 ( Sun Young Lee ),손민정 ( Min Jung Shon ),김태호 ( Tae Ho Kim ),김석영 ( Suk Young Kim ),손영숙 ( Young Sook Son ),김신윤 ( Shin Yoon Kim ),박의균 ( Eui Kyun Park ) 한국조직공학과 재생의학회 2005 조직공학과 재생의학 Vol.2 No.4
Adipose tissue derived stromal cells (ATSCs) have been shown to be differentiated into several types of cells including osteoblasts. In the present study we have investigated the effects of fibroblast growth factor-2 (FGF- 2) and dexamethasone (Dex) on the proliferation and osteoblastic differentiation of ATSCs. A combination of FGF- 2 and Dex compared to untreated control stimulated proliferation of ATSCs up to 45% and 25% at day 5 and 7, respectively. Compared to FGF-2 alone, FGF-2 plus Dex further augmented proliferation of ATSCs by 15% (day 5) and 5% (day 7). In response to osteogenic stimulation, ATSCs expanded with FGF-2/Dex for 7 days were able to be differentiated into osteoblasts as revealed by increased calcium precipitation, and increased expression of osteocalcin, alkaline phosphatase and Runx2. Taken together, these results demonstrate that FGF-2 in combination with Dex stimulates proliferation of ATSCs and FGF-2/Dex-expanded ATSCs maintain a potential to be differentiated into osteoblasts.
孫民政 韓國中國語文學會 2004 中國文學 Vol.41 No.-
本文硏究了表現人的死亡的動詞. 筆者爲了硏究古代漢語中有關'死'的詞語, 査閱了《爾雅》和《釋名》; 爲了硏究現代漢語中有關'死'的詞語, 査閱了《應用漢語詞典》, 《倒序現代漢語詞典》等等. 該論文接照現代韓國語中指人死亡的詞語分類法把所集搜到的詞語進行了分類, 幷加以分析. 在現代韓國語里, 指人死亡的詞語分爲三충類型: 表示抽象意義的, 表示來世觀的, 表示身體的具體狀況的. 古代漢語中指人死亡的動詞《爾雅·釋고》歸入最后一개條目. 在此, '死'是訓語, '崩', '薨', '無祿', '卒', '조落', '에'等都是被訓語. '崩', '薨', '無祿', '卒'等表示故人的職位, '無祿', '卒'等表示故人的長幼, '조落'表示"魂魄的移動"或"身體的變化"等, '에'表示"死後的變化". 古代漢語中指人死亡的動詞也列入《釋名》的最后一條《釋喪制》中. 在《釋名》中有關'死'的詞語加下: 死, 不祿, 卒, 薨, 崩, 에, 조落, 殺, 誅, 溺, 燒, 弑, 縊, 雉, 考, 棄, 斬, 腰, 환, 烹, 掠, 壽, 夭, 상, 考, 비, 物故, 尸, 這些詞主要是抽象意義的詞和表示身體的具體意義的詞. 現代漢語中'死'是指人死亡的使用最普遍的詞. '死'以外還有死亡, 斃命, 其中'斃命'是貶義詞; '去世', '逝世', '過世', '棄世', '辭世', '謝世', '與世長辭', '永別', '離開'等表示'離開人世'的意思; 由'逝'構成的詞表示尊敬, '逝世'以外還有'長逝', '仙逝'等; '圓寂'具有佛敎色彩; '去了', '走了', '過去了', '故去'等是取'去'的意義表示人死亡; '亡故', '身故', '物故', '病故', '大故'等是取'故'字的意義表示死亡,; '作古'則是由'古'字而具有死亡之義; '病死', '病逝', '病死', '病故', '病亡', '氣死', '凍死'等表示死的原因; '弔死', '扼死', '겹死', '絞死'都表示겹死; '處死', '槍斃', '滄決', '殊死'表示困受刑而死; '致死'不表示具體的原因; '尋死', '凶死', '自尋短見', '送死', '作死', '조死'表示自殺或自尋死路; '暴卒'表示死的時間; '客死', '溺死', '淹死', '유死'表示死的空間; '老了', '斷氣', '咽氣', '강死', '梗死', '壞死'表示停止生命活動; '送葬', '火化', '火葬'等則表示葬禮的辯法. 通過上述考禁, 我們知道漢語中指人死亡的詞語主要包括"抽象意義的詞"和"表示身體狀況的具體意義的詞". 筆者認爲, 分析漢語有關人的死亡的詞語是考察中國人生死觀的基礎.