目的 探討自體靜脈內(nèi)皮細(xì)胞襯里異體血管移植的可行性。
方法 將體外擴(kuò)增培養(yǎng)的兔靜脈內(nèi)皮細(xì)胞鋪植于經(jīng)處理的異體血管,體外培養(yǎng)9 d,然后行異體靜脈原位移植術(shù)。
結(jié)果 經(jīng)傳代培養(yǎng)收獲的內(nèi)皮細(xì)胞總數(shù)為(9.47±0.35)×106個(gè)。細(xì)胞種植3 h后異體血管腔面可見有內(nèi)皮細(xì)胞附著,但未形成完整內(nèi)膜; 9 d時(shí)腔面被一層連續(xù)的單層內(nèi)皮細(xì)胞覆蓋,細(xì)胞形態(tài)飽滿,平行排列,呈梭形。術(shù)后8周所有移植段血管保持暢通。
結(jié)論 預(yù)襯自體內(nèi)皮細(xì)胞的異體血管可保持長(zhǎng)期的通暢性。
引用本文: 何茂鑫,趙渝. 體外擴(kuò)增兔內(nèi)皮細(xì)胞種植異體血管移植的實(shí)驗(yàn)研究. 中國(guó)普外基礎(chǔ)與臨床雜志, 2007, 14(1): 72-75. doi: 復(fù)制
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- 1. 唐映梅. 血管內(nèi)皮細(xì)胞和移植排斥反應(yīng) [J]. 中華器官移植雜志, 2005; 26(10)∶636.
- 2. 曲明, 于永山, 薛蓮, 等. 同種異體血管移植的實(shí)驗(yàn)研究與臨床應(yīng)用 [J]. 中華顯微外科雜志, 1999; 22(3)∶216.
- 3. Conte MS, Birinyi LK, Miyata T, et al. Efficient repopulation of denuded rabbit arteries with autologous genetically modified endothelial cells [J]. Circulation, 1994; 89(5)∶2161.
- 4. Kalra M, Miller VM. Early remodeling of saphenous vein grafts: proliferation, migration and apoptosis of adventitial and medial cells occur simultaneously with changes in graft diameter and blood flow [J]. J Vasc Res, 2000; 37(6)∶576.
- 5. Salacinski HJ, Tai NR, Punshon G, et al. Optimal endothelialisation of a new compliant poly (carbonate-urea) urethane vascular graft with effect of physiological shear stress [J]. Eur J Vasc Endovasc Surg, 2000; 20(4)∶342.
- 6. 何紅兵, 潘麗新, 潘玉光, 等. 體外擴(kuò)增恒河猴自體內(nèi)皮細(xì)胞人工血管移植研究 [J]. 中華醫(yī)學(xué)雜志, 1998; 78(2)∶135.
- 7. Consigny PM. Endothelial cell seeding on prosthetic surfaces [J]. J Long Term Eff Med Implants, 2000; 10(1-2)∶79.