实用口腔医学杂志
實用口腔醫學雜誌
실용구강의학잡지
Journal of Practical Stomatology
2015年
6期
761-765
,共5页
PHEMA/CPC%水凝胶%细胞毒性%细胞凋亡
PHEMA/CPC%水凝膠%細胞毒性%細胞凋亡
PHEMA/CPC%수응효%세포독성%세포조망
PHEMA/CPC%Hydrogels%Cytotoxicity%Cell apoptosis
目的:检测可注射 PHEMA /CPC 复合水凝胶对 L929细胞的细胞毒性以及细胞凋亡的影响。方法:取生长旺盛的L929小鼠成纤维细胞,实验组为 PHEMA /CPC 浸提液组,对照组为含10%胎牛血清的 RPMI1640细胞培养液,阴性对照组为高密度聚乙烯浸提液,阳性对照组为在含10%胎牛血清的 RPMI1640细胞培养液中加入5%的 DMSO,分别培养24、48、72 h,MTT 法检测细胞增殖。Annexin V-FITC /PI 双染凋亡试剂盒流式细胞仪检测细胞凋亡。结果:①随着培养时间的延长,阳性对照组 A 值逐渐降低(P <0.01)。PHEMA /CPC 组与阴性对照组、空白组的 A 值逐渐增加,组间差异无统计学意义(P >0.05)。细胞毒性评价为1级。②PHEMA /CPC 复合水凝胶组细胞凋亡率(%)为4.21±0.30,空白组为4.89±0.39(P >0.05)。结论:可注射 PHEMA /CPC 复合水凝胶无细胞毒性,对细胞凋亡无影响。
目的:檢測可註射 PHEMA /CPC 複閤水凝膠對 L929細胞的細胞毒性以及細胞凋亡的影響。方法:取生長旺盛的L929小鼠成纖維細胞,實驗組為 PHEMA /CPC 浸提液組,對照組為含10%胎牛血清的 RPMI1640細胞培養液,陰性對照組為高密度聚乙烯浸提液,暘性對照組為在含10%胎牛血清的 RPMI1640細胞培養液中加入5%的 DMSO,分彆培養24、48、72 h,MTT 法檢測細胞增殖。Annexin V-FITC /PI 雙染凋亡試劑盒流式細胞儀檢測細胞凋亡。結果:①隨著培養時間的延長,暘性對照組 A 值逐漸降低(P <0.01)。PHEMA /CPC 組與陰性對照組、空白組的 A 值逐漸增加,組間差異無統計學意義(P >0.05)。細胞毒性評價為1級。②PHEMA /CPC 複閤水凝膠組細胞凋亡率(%)為4.21±0.30,空白組為4.89±0.39(P >0.05)。結論:可註射 PHEMA /CPC 複閤水凝膠無細胞毒性,對細胞凋亡無影響。
목적:검측가주사 PHEMA /CPC 복합수응효대 L929세포적세포독성이급세포조망적영향。방법:취생장왕성적L929소서성섬유세포,실험조위 PHEMA /CPC 침제액조,대조조위함10%태우혈청적 RPMI1640세포배양액,음성대조조위고밀도취을희침제액,양성대조조위재함10%태우혈청적 RPMI1640세포배양액중가입5%적 DMSO,분별배양24、48、72 h,MTT 법검측세포증식。Annexin V-FITC /PI 쌍염조망시제합류식세포의검측세포조망。결과:①수착배양시간적연장,양성대조조 A 치축점강저(P <0.01)。PHEMA /CPC 조여음성대조조、공백조적 A 치축점증가,조간차이무통계학의의(P >0.05)。세포독성평개위1급。②PHEMA /CPC 복합수응효조세포조망솔(%)위4.21±0.30,공백조위4.89±0.39(P >0.05)。결론:가주사 PHEMA /CPC 복합수응효무세포독성,대세포조망무영향。
Objective:To study the cytotoxicity of PHEMA /CPC composite hydrogel.Methods:L929 cells were cultured by RP-MI1 640 with 1 0% fetal bovine serum(blank control),with PHEMA /CPC extraction(experimental group),high density polyethy-lene(HDPE)extracts(negative control)and 5% DMSO(positive control)for 24,48 and 72 h respectively.The cell proliferation was examined by MTT assay.Cell apoptosis was detected by flow cytometry and Annexin V-FITC /PI kit.Results:The A value of positive control group decreased with the increase of culture time(P <0.01 )(between experimental and negative control groups,P>0.05).The cytotoxicity of the experimental group was grade Ⅰ.That of other groups increased with the increase of culture time. Cell apoptosis(%)in PHEMA /CPC composite hydrogel group and blank group was 4.21 ±0.30 and 4.89 ±0.39 respectively(P>0.05).Conclusion:Injectable PHEMA /CPC composite hydrogel has no cytotoxicity and no effect on cell apoptosis.