目的 探索建立受體針對(duì)供體抗原特異性T淋巴細(xì)胞克隆,轉(zhuǎn)入自殺基因誘導(dǎo)移植耐受的可行性。方法 供體鼠脾細(xì)胞免疫受體鼠,再分離、純化經(jīng)供體鼠抗原刺激受體鼠T淋巴細(xì)胞,將其作有限稀釋為單個(gè)T淋巴細(xì)胞,再分別以不同濃度飼養(yǎng)細(xì)胞、ConA、IL-2等條件,促使T淋巴細(xì)胞分裂、增殖,構(gòu)建受體針對(duì)供體抗原特異性T淋巴細(xì)胞克隆。結(jié)果 ①受體針對(duì)供體抗原特異性T淋巴細(xì)胞克隆穩(wěn)定建立; ②不同免疫組間克隆生成率的差異有顯著性意義(t>t0.05); 無或單純飼養(yǎng)細(xì)胞孔無克隆生長; ConA刺激有少數(shù)克隆生成; 克隆生成率與IL-2刺激濃度可能相關(guān)。結(jié)論 成熟T淋巴細(xì)胞,在一定條件下仍可發(fā)生分裂和增殖,形成克隆。通過供體脾細(xì)胞抗原特異性刺激,提示最終篩選出的T淋巴細(xì)胞克隆具有針對(duì)供體抗原的免疫反應(yīng)性。
引用本文: 周軍,王磊,蘭平,汪建平. 受體針對(duì)供體抗原特異性T淋巴細(xì)胞克隆的建立及其形成條件的比較研究. 中國普外基礎(chǔ)與臨床雜志, 2001, 8(5): 292-294. doi: 復(fù)制
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- 1. 王國春,吳東海,Csennok E等. 韋格納肉芽腫病T細(xì)胞表達(dá)及分泌細(xì)胞因子的研究: Tn1型免疫反應(yīng) 〔J〕. 中華風(fēng)濕病學(xué)雜志,1998; 2(2)∶79.
- 2. 王重慶,李啟靖,關(guān)迎輝等. 小鼠皮膚移植特異耐受性的獲得 〔J〕. 北京大學(xué)學(xué)報(bào)(自然科學(xué)版),1998; 34(4)∶481.
- 3. 沈關(guān)心,周汝麟主編. 現(xiàn)代免疫學(xué)實(shí)驗(yàn)技術(shù) 〔M〕. 第1版. 武漢: 湖北科技出版社, 1998∶283~305.
- 4. 卓安山,陳愛娟,申繁星等.燙傷對(duì)大鼠T、B淋巴細(xì)胞功能影響及免疫調(diào)節(jié)劑對(duì)其作用研究 〔J〕.中國實(shí)驗(yàn)臨床免疫學(xué)雜志,1998; 10(2)∶29.
- 5. Legge KL,Min B,Pack C, et al. Differetial presentation of an altered peptide within fetal central and peripheral organs supports an avidity model for thymic T cell development and implies a peripheral readjustment for activation 〔J〕. J Immunol,1999; 162(10)∶5738.
- 6. BenBasson SZ,William EP,Ethan MS,et al. In vitro selection and extended culture of antigenspecific T lymphocytes 〔J〕. J Immunol,1975; 115(6)∶1723.
- 7. Gillis S,Baker P,F(xiàn)rancis W,et al. Longterm culture of human antigenspecific cytotoxic Tcell lines 〔J〕. J Exp Med, 1978; 148(4)∶1093.
- 8. Wingren AG,Parra E,Varga M, et al. T cell activation pathway: B7,LFA3,and ICAM1 shape unique T cell profiles 〔J〕. Critical Rew Immunol,1995; 15(3-4)∶235.
- 9. Boussiotis Va,Gribben JG,F(xiàn)reeman GJ,et al. Blockade of the CD28 costimulatory pathway: a means to induce tolerance 〔J〕. Curr Opin Immunol,1994; 6(5)∶797.
- 10. 巴德年主編.當(dāng)代免疫學(xué)技術(shù)與應(yīng)用 〔M〕.第1版.北京: 聯(lián)合出版社,1998∶177~182.
- 11. 羅云萍,張定鳳. T淋巴細(xì)胞克隆技術(shù) 〔J〕.重慶醫(yī)科大學(xué)學(xué)報(bào),1992; 17(2)∶159.
- 12. 李子海,朱立平,謝少文等. T淋巴細(xì)胞克隆技術(shù) 〔J〕.中國免疫學(xué)雜志,1987; 3(2)∶114.