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MRAS

MRAS全稱為肌肉RAS癌基因同源物(Muscle RAS oncogene homolog),屬于RAS超家族成員,也被稱為RAS樣蛋白12(RASL12)。這類蛋白作為細(xì)胞內(nèi)信號(hào)轉(zhuǎn)導(dǎo)的"分子開關(guān)",通過結(jié)合GTP或GDP狀態(tài)調(diào)控下游通路,尤其在胚胎發(fā)育、細(xì)胞周期調(diào)控中扮演關(guān)鍵角色。MRAS異常激活與多種實(shí)體瘤密切相關(guān),例如非小細(xì)胞肺癌中檢測到該基因的特異性突變位點(diǎn),可能通過干擾細(xì)胞分化程序促進(jìn)腫瘤進(jìn)展。MRAS在心臟肥大反應(yīng)和神經(jīng)發(fā)育障礙中也顯示出調(diào)控作用,其表達(dá)異常與努南綜合征等遺傳性疾病存在關(guān)聯(lián)。
針對(duì)MRAS靶點(diǎn)的藥物開發(fā)長期受限于其蛋白結(jié)構(gòu)的特殊性,傳統(tǒng)小分子抑制劑難以有效結(jié)合。但隨著KRAS G12C變構(gòu)抑制劑的成功,研究者開始探索針對(duì)MRAS特有突變(如G23V)的共價(jià)結(jié)合策略。目前已有數(shù)款候選化合物進(jìn)入臨床前研究階段,通過模擬天然蛋白構(gòu)象或阻斷效應(yīng)蛋白結(jié)合域來干預(yù)信號(hào)傳導(dǎo)。MRAS與SHOC2-PP1C復(fù)合物的特異性相互作用為開發(fā)精準(zhǔn)療法提供了新方向,相關(guān)研究成果已進(jìn)入轉(zhuǎn)化醫(yī)學(xué)驗(yàn)證階段。

熱銷產(chǎn)品

Recombinant Human Ras-related protein M-Ras (MRAS) (CSB-EP014781HU)

驗(yàn)證數(shù)據(jù)

CSB-EP014781HU

(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

MRAS Recombinant Monoclonal Antibody (CSB-RA158563A0HU)

驗(yàn)證數(shù)據(jù)

CSB-RA158563A0HU

Western Blot
Positive WB detected in: MCF-7 whole cell lysate, PC3 whole cell lysate, Hela whole cell lysate, A549 whole cell lysate, HEK293 whole cell lysate
All lanes: MRAS antibody at 1:1000
Secondary
Goat polyclonal to rabbit IgG at 1/50000 dilution
Predicted band size: 24, 16 kDa
Observed band size: 24 kDa

MRAS Antibodies

MRAS for Homo sapiens (Human)

MRAS Proteins

MRAS Proteins for Rattus norvegicus (Rat)

MRAS Proteins for Mus musculus (Mouse)

MRAS Proteins for Homo sapiens (Human)