發明
中華民國
099146981
I 417109
一種用以抑制NMDA受體NR1之短夾RNA、一種以短夾RNA製備用以抑制NMDA受體NR1之試劑之用途以及一種減緩皮膚炎症性疼痛之藥物
義守大學
2013/12/01
本發明之小段NMDA受體干擾短夾RNA係參考自一生物個體NMDA受體次單元NR1之基因序列而設計並製備,因此,該小段NMDA受體干擾短夾RNA之核糖核酸序列係與該生物個體NMDA受體次單元NR1之基因序列同源;由此,本發明之小段NMDA受體干擾短夾RNA係可以專一性抑制該生物個體內NMDA受體次單元NR1之轉錄後基因表現,而該生物個體內由NMDA受體次單元NR1所參與而啟動之炎症性疼痛反應機制也相對被抑止;若將本發明之小段NMDA受體干擾短夾RNA施予至該生物體之皮下組織,則可抑制該皮下組織中NMDA受體相關之功能表現,達到減緩皮膚疼痛程度的效果。 In this invention, we examined the effect of gene silence and antinociception on formalin-induced pain by subcutaneous injection of vector encoding shRNA targeting NR1 subunit of NMDA receptor. The results revealed subcutaneous injection of vector expressing NR1 shRNA could effectively diminish the nociception induced by formalin stimuli and inhibit gene expression of NR1 evidenced by decrease level of mRNA and protein. The effect of antinociception and inhibition of NR1 expression by NR1 shRNA persisted for about 14 days. The data suggest NR1 shRNA has potential therapeutic potential of providing long term treatment of pathological pain which are induced or maintained by peripheral nociceptor activity.
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