ARE-Luc/MCF7
CBPB0016
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I. Background | |
Nrf2 是一種轉(zhuǎn)錄因子,可調(diào)節(jié)與炎癥、氧化應(yīng)激和細(xì)胞能量代謝相關(guān)的各種基因的表達(dá)。在正常情況下,Nrf2 通過與細(xì)胞骨架蛋白 Kelch 樣 ECH 相關(guān)蛋白 1 (Keap1) 結(jié)合而保留在細(xì)胞溶膠中。Nrf2 在氧化應(yīng)激時(shí), Keap1 半胱氨酸殘基的修飾會促進(jìn)抑制復(fù)合物的解離和 Nrf2 的核易位,Nrf2 與其伴侶 sMAF 形成異二聚體并與 ARE 結(jié)合,從而驅(qū)動一系列Nrf2 靶基因的表達(dá),例如 NAD(P)H 醌氧化還原酶 1(NQO1)、血紅素加氧酶 1(HO-1)、谷氨酸-半胱氨酸連接酶(GCL)、谷胱甘肽 S-轉(zhuǎn)移酶(GSTs)、過氧化氫酶(CAT)、超氧化物歧化酶(SOD)和硫氧還蛋白 UDP-葡萄糖醛酸轉(zhuǎn)移酶。Nrf2功能障礙可能導(dǎo)致神經(jīng)系統(tǒng)疾病,如阿爾茨海默病、帕金森病和亨廷頓病以及肌萎縮側(cè)索硬化癥 (AMS)。 | |
II. Background | |
ARE-Luc MCF7 報(bào)告基因細(xì)胞是由 ARE 調(diào)控并表達(dá) Luc 熒光素酶報(bào)告 基因的 MCF7 細(xì)胞。Sulforaphane 是 Keap1/Nrf2/ARE 的誘導(dǎo)劑,Bardoxolone 是 NRf2 的激 活劑,原理見下圖所示。 |
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Figure 1. ARE-Luc MCF7 原理示意圖 |
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III. Introduction | |
Host Cell: | ARE-Luc |
Expressed gene: | MCF7 |
Stability: | 32 passages (in-house test, that not means the cell line will be instable beyond the passages we tested.) |
Freeze Medium: | 90% FBS+10% DMSO |
Culture Medium: | MEM+10% FBS+ 1% Non Essential Amino Acids (NEAA) + 1mM Sodium Pyruvate (NaP)+150 μg/ml hygromycin |
Mycoplasma Testing: | Negative |
Storage: | Liquid nitrogen |
IV. Description of Host Cell Line | |
Organism: | Homo sapiens, human |
Tissue: | Mammary gland, breast; derived from metastatic site: pleural effusion |
Disease: | Breast adenocarcinoma |
Morphology: | Epithelial-like cells growing as monolayers |
Growth Properties: | Adherent |
V. Representative Data | |
Figure 2. Induction of ARE activity by Sulforaphane in ARE-Luc MCF7(C59). Figure 3. Induction of ARE activity by Bardoxolone in ARE-Luc MCF7(C59). |
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