對lncRNA/基因進行過表達,進行功能獲得性實驗(gain-of-function)是研究基因功能的重要手段,與以RNAi為代表的功能缺失性實驗(loss-of-function)相互補充以說明lncRNA/基因在相關細胞功能中的作用。銳博生物pEXP-RB-Mam系列過表達載體,在多克隆位點上游有CMV強啟動子,可高效的表達插入到多克隆位點中的lncRNA/基因。
代表性客戶文章
- Li Z K, Gao L F, Zhu X A, et al. LncRNA HOXA-AS3 Promotes the Progression of Pulmonary Arterial Hypertension through Mediation of miR-675-3p/PDE5A Axis[J]. Biochemical Genetics, 2021: 1-15.
- Zhang T, Liu H, Mao R, et al. The lncRNA RP11-142A22. 4 promotes adipogenesis by sponging miR-587 to modulate Wnt5β expression[J]. Cell death & disease, 2020, 11(6): 1-12.
- Deng Z, Ou H, Ren F, et al. LncRNA SNHG14 promotes OGD/R-induced neuron injury by inducing excessive mitophagy via miR-182-5p/BINP3 axis in HT22 mouse hippocampal neuronal cells[J]. Biological Research, 2020, 53(1): 1-11.
- Xu Y, Fang H, Xu Q, et al. LncRNA GAS5 inhibits NLRP3 inflammasome activation-mediated pyroptosis in diabetic cardiomyopathy by targeting miR-34b-3p/AHR[J]. Cell Cycle, 2020, 19(22): 3054-3065.
- Fang G, Wang J, Sun X, et al. LncRNA MAGI2-AS3 is downregulated in the distant recurrence of hepatocellular carcinoma after surgical resection and affects migration and invasion via ROCK2[J]. Annals of hepatology, 2020, 19(5): 535-540.
產品或服務優勢:
1、非病毒載體,有NeoR或EGFP等不同標記的骨架可選
2、可根據客戶的不同需求構建不同的表達載體,能夠保證所克隆序列的正確性及完整性
3、可在哺乳動物細胞內高效過表達
■ 定制構建載體,請點擊“委托技術服務”,提交您的定制需求;
■訂購空載體,需點擊“委托技術服務”,提交您的需求。
技術支持或應用實例
A、qRT-PCR驗證結果圖展示
以GAPDH作為內參,選用293T、A549、Hela細胞作為過表達對象,構建好的lncRNA1、2、3過表達載體分別在這3種細胞內過表達,qRT-PCR驗證結果如圖所示:
圖1-3 LncRNA1、2、3過表達載體分別在293T、A549和Hela細胞內過表達的qRT-PCR驗證結果圖
B、qRT-PCR數據展示
表1?
表2
| cell | vector | CqGAPDH | CqLnc2 | relative expression |
|---|---|---|---|---|
| 293T | Blank vector | 18.62 | 33.70 | 1.00 |
| 293T | lnc2 vector | 18.25 | 17.33 | 65536.00 |
| A549 | Blank vector | 15.99 | 32.47 | 1.00 |
| A549 | lnc2 vector | 16.44 | 15.14 | 225327.94 |
| Hela | Blank vector | 16.72 | 33.10 | 1.00 |
| Hela | lnc2 vector | 16.79 | 17.90 | 39284.34 |
表3
| cell | vector | CqGAPDH | CqLnc3 | relative expression |
|---|---|---|---|---|
| 293T | Blank vector | 17.51 | 25.87 | 1.00 |
| 293T | lnc3 vector | 17.53 | 12.56 | 10321.27 |
| A549 | Blank vector | 17.99 | 33.83 | 1.00 |
| A549 | lnc3 vector | 18.36 | 9.71 | 23508296.55 |
| Hela | Blank vector | 16.99 | 25.85 | 1.00 |
| Hela | lnc3 vector | 17.81 | 10.29 | 85087.92 |


