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[1]王欣,林明星,陳全文,等.VISTA和PD-1信號(hào)通路聯(lián)合阻斷在小鼠結(jié)腸癌放射治療中的作用機(jī)制[J].福建醫(yī)藥雜志,2022,44(01):120-123.
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VISTA和PD-1信號(hào)通路聯(lián)合阻斷在小鼠結(jié)腸癌放射治療中的作用機(jī)制()
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《福建醫(yī)藥雜志》[ISSN:1002-2600/CN:35-1071/R]

卷:
44
期數(shù):
2022年01期
頁碼:
120-123
欄目:
基礎(chǔ)研究
出版日期:
2022-02-15

文章信息/Info

文章編號(hào):
1002-2600(2022)01-0120-04
作者:
王欣林明星1陳全文肖輝煌趙向前2
福建中醫(yī)藥大學(xué)附屬福州中醫(yī)院腫瘤科(福州350001)
關(guān)鍵詞:
結(jié)直腸癌 VISTA PD-1 CA170 放射治療
分類號(hào):
R73-7
文獻(xiàn)標(biāo)志碼:
A
摘要:
目的 探討T細(xì)胞活化V結(jié)構(gòu)域Ig抑制因子(VISTA) 和程序性死亡受體-1 (PD-1)信號(hào)通路聯(lián)合阻斷在大劑量單次X射線照射白化小鼠(BALB/C)小鼠雙移植瘤中誘導(dǎo)遠(yuǎn)隔效應(yīng)可能的機(jī)制。方法 構(gòu)建BALB/C小鼠雙移植瘤模型,采用液相懸浮微球蛋白分析技術(shù)檢測(cè)治療前后細(xì)胞因子表達(dá)變化;流式細(xì)胞術(shù)檢測(cè)小鼠移植瘤模型治療前后瘤內(nèi)和脾臟免疫細(xì)胞比例的變化;游標(biāo)卡尺測(cè)量瘤體大小的變化。統(tǒng)計(jì)學(xué)分析以上指標(biāo)。結(jié)果 X射線大劑量照射聯(lián)合VISTA和PD-I拮抗劑(CA170)治療顯著縮小小鼠第1腫瘤和第2腫瘤瘤體,提高了細(xì)胞因子IFN-Y表達(dá),并增加了腫瘤內(nèi)CD8+T細(xì)胞的浸潤和擴(kuò)增。結(jié)論 大劑量X射線照射聯(lián)合CA170治療可以顯著增強(qiáng)X射線大劑量照射對(duì)小鼠結(jié)腸癌的抑制,并有效地改善腫瘤微環(huán)境。

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備注/Memo

備注/Memo:
1 福建醫(yī)科大學(xué)附屬福州兒童醫(yī)院新生兒科; 2 福建師范大學(xué)南方生物醫(yī)學(xué)研究中心,通信作者,Email:[email protected]
更新日期/Last Update: 2022-02-15