羊膜負(fù)載脂肪來(lái)源干細(xì)胞修復(fù)大鼠皮膚缺損的實(shí)驗(yàn)研究
發(fā)布時(shí)間:2018-09-06 06:18
【摘要】:目的:觀察羊膜負(fù)載脂肪來(lái)源干細(xì)胞修復(fù)大鼠全層皮膚缺損。 方法:36只SD-大鼠隨機(jī)分成3組,每組12只,每只大鼠背部脊柱兩側(cè)分別設(shè)計(jì)1個(gè)全層皮膚缺損圓形創(chuàng)面(直徑2cm)。A組:將用CM-DiⅠ標(biāo)記的第3代脂肪來(lái)源干細(xì)胞接種到人脫細(xì)胞基質(zhì)羊膜共培養(yǎng)3天后覆蓋于創(chuàng)面;B組:以單純無(wú)種植細(xì)胞的人脫細(xì)胞基質(zhì)羊膜覆蓋于創(chuàng)面;C組:不予以處理。B組、C組作為對(duì)照組。觀察移植后3d、7d、10d 14d創(chuàng)面大小變化,創(chuàng)面愈合時(shí)間,切取創(chuàng)面組織行HE染色觀察肉芽組織生長(zhǎng)及上皮再生等;切取各組術(shù)后7d大鼠創(chuàng)面組織行熒光顯微鏡觀察。 結(jié)果:A組第14d創(chuàng)面已完全上皮化,全部愈合,創(chuàng)面閉合指數(shù)(wound closure index,WCI)為(100±0)%;B組和C組創(chuàng)面均未完全上皮化,其創(chuàng)面閉合指數(shù)分別為(95.05±2.65)%和(86.64±3.86)%。比較各組第3d、7d、10d、14d的WCI,A組較B組、A組較C組及B組較C組差別均有統(tǒng)計(jì)學(xué)意義(P0.01)。術(shù)后第7d,A組創(chuàng)面組織切片在熒光顯微鏡下可追蹤到ADSCs. 結(jié)論:羊膜負(fù)載脂肪來(lái)源干細(xì)胞能促進(jìn)大鼠全層皮肽缺損創(chuàng)面愈合。
[Abstract]:Objective: to observe the effect of amniotic membrane loaded adipose stem cells on the repair of rat skin defect. Methods Thirty six SD- rats were randomly divided into 3 groups with 12 rats in each group. One round skin defect wound (diameter 2cm) was designed on both sides of the dorsal spine of each rat. Group A: the third generation of adipose derived stem cells labeled with CM-Di 鈪,
本文編號(hào):2225510
[Abstract]:Objective: to observe the effect of amniotic membrane loaded adipose stem cells on the repair of rat skin defect. Methods Thirty six SD- rats were randomly divided into 3 groups with 12 rats in each group. One round skin defect wound (diameter 2cm) was designed on both sides of the dorsal spine of each rat. Group A: the third generation of adipose derived stem cells labeled with CM-Di 鈪,
本文編號(hào):2225510
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