hERBB3(HER3)/4T1
CBPG0032
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I. Background | |||
ERBB3 又稱(chēng) HER3(人表皮生長(zhǎng)因子受體 3),是表皮生長(zhǎng)因子受體 (EGFR/ERBB) 受體酪氨酸激酶家族的成員。該家族由四個(gè)成員組成:EGFR(表皮生長(zhǎng)因子受體)、ErbB2 、ErbB3 和 ErbB4 。與 EGFR 不同的是,ErbB2 是一種無(wú)配體受體,而 ErbB3 缺乏酪 氨酸激酶活性。因此,ErbB2 和 ErbB3 僅在 ErbB 異二聚體環(huán)境中才有活性,而由 Nrg(神 經(jīng)調(diào)節(jié)蛋白)配體驅(qū)動(dòng)的 ErbB2-ErbB3 異二聚體是細(xì)胞生長(zhǎng)和轉(zhuǎn)化方面最普遍和最有效的 復(fù)合物。配體激活的 ErbB2-ErbB3 異二聚體信號(hào)傳導(dǎo)效力的基礎(chǔ)在于,這種二聚體能夠非 常有效地發(fā)出信號(hào),既可以通過(guò) Ras-ERK(細(xì)胞外信號(hào)調(diào)節(jié)激酶)途徑進(jìn)行增殖,也可以 通過(guò) PI3K-Akt/PKB(磷脂酰肌醇-3激酶-Akt/蛋白激酶-B)途徑進(jìn)行存活。此外,這種受體二聚體可以逃避下調(diào)機(jī)制,從而延長(zhǎng)信號(hào)傳導(dǎo)時(shí)間。 | |||
II. Introduction | |||
Host Cell: | 4T1 | ||
Expressed gene: | hERBB3 | ||
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: | RPMI-1640+10%FBS+5ug/ml blasticidin | ||
Mycoplasma Testing: | Negative | ||
Storage: | Liquid nitrogen | ||
III. Description of Host Cell Line | |||
Organism: | Mouse | ||
Tissue: | Mammary gland | ||
Morphology: | Epithelial | ||
Growth Properties: | Adherent | ||
IV. Representative Data | |||
Figure 1. Recombinant hERBB3/4T1 stably expressing ERBB3. |
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