携带SPK1基因的重组腺病毒对犬酒精性胃溃疡愈合的影响

Effect of sphingosine kinase-1 gene recombinant adenovirus on healing of gastric ulcer induced by alcohol in experimental dogs

  • 摘要: 目的 探讨基因药物Ad-SPK1对酒精性胃溃疡的治疗作用。方法 建立酒精诱导的实验犬胃溃疡模型,制备携带绿色荧光蛋白(GFP)基因的腺病毒作为对照,观察GFP在犬胃壁中的分布,分别于给药后7、14、21、28d电子胃镜下观察溃疡的愈合情况,取胃溃疡组织进行Western blot检测SPK1蛋白的表达和γ-P32掺入法检测SPK酶活性和免疫组化检测CD34表达和MVD计数。结果 腺病毒能有效介导GFP和SPK1基因在胃溃疡黏膜层细胞表达。电子内镜下可见腺病毒介导的SPK1基因转移能促进胃溃疡愈合。微血管密度计数结果显示,Ad-SPK1组的微血管密度计数值明显高于对照组Ad-GFP组(P<0.05)。结论 Ad-SPK1可促进实验犬胃溃疡黏膜上皮修复和溃疡面血管增生,加快溃疡愈合。

     

    Abstract: Objective To study the therapeutic effect of glycerine anti-itching lotion,minocycline in combination with nursing intervention on severe skin rashes induced by epidermal growth factor receptor tyrosine kinase inhibitors(EGFR-TKIs) in patients with non-small cell lung cancer(NSCLC).Methods Grade 3 skin rashes induced by erlotinib or gefitinib were treated with oral minocycline(200mg,twice a day) and local application of glycerine anti-itching lotion(3 times a day) in combination with nursing intervention in 28 NSCLC patients.Results Skin rashes were completely disappeared in 10 patients,decreased to grade 1 in 14 patients and to grade 2 in 3 patients,progressed in 1 patient who withdrew from EGFR-TKIs treatment due to exacerbated subjective symptoms.The total effective rate was 96.4%.The HAMA and HAMD scores were significantly higher after intervention than before intervention(P<0.001).Conclusion Local application of glycerine anti-itching lotion and oral minocycline in combination with nursing intervention are effective against severe skin rashes induced by EGFR-TKIs.

     

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