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CHRNA1

CHRNA1蛋白全稱(chēng)煙堿型乙酰膽堿受體α1亞基,俗稱(chēng)肌肉型nAChR α亞基,是神經(jīng)肌肉接頭處傳遞電信號(hào)的核心元件。這種跨膜蛋白形成五聚體離子通道,主導(dǎo)運(yùn)動(dòng)神經(jīng)元釋放的乙酰膽堿識(shí)別,觸發(fā)骨骼肌收縮反應(yīng)。CHRNA1功能異常直接導(dǎo)致先天性肌無(wú)力綜合征,臨床表現(xiàn)為眼瞼下垂、呼吸肌疲勞等運(yùn)動(dòng)障礙,部分突變類(lèi)型還關(guān)聯(lián)夜間發(fā)作性運(yùn)動(dòng)障礙。在自身免疫性疾病中,針對(duì)該受體的抗體可引發(fā)重癥肌無(wú)力危象。
近年來(lái)針對(duì)CHRNA1的藥物開(kāi)發(fā)聚焦于變構(gòu)調(diào)節(jié)技術(shù)。新型小分子化合物如GDC-0134通過(guò)穩(wěn)定通道開(kāi)放狀態(tài),在動(dòng)物模型中成功逆轉(zhuǎn)獲得性肌無(wú)力癥狀。基因療法領(lǐng)域則嘗試?yán)孟傧嚓P(guān)病毒載體遞送正常亞基基因,修復(fù)遺傳性突變引起的通道功能障礙,目前已完成靈長(zhǎng)類(lèi)動(dòng)物安全性驗(yàn)證。值得注意的是,某些蛇毒多肽對(duì)該受體具有高選擇性抑制作用,為開(kāi)發(fā)精準(zhǔn)麻醉劑提供了分子模板,但其臨床轉(zhuǎn)化仍受限于免疫原性問(wèn)題。

熱銷(xiāo)產(chǎn)品

Recombinant Human Acetylcholine receptor subunit alpha (CHRNA1), partial (CSB-BP005386HU)

驗(yàn)證數(shù)據(jù)

CSB-BP005386HU

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

CHRNA1 Antibody (CSB-PA11789A0Rb)

驗(yàn)證數(shù)據(jù)

CSB-PA11789A0Rb

Western blot
All lanes: CHRNA1 antibody at 2µg/ml + Rat skeletal muscle tissue
Secondary
Goat polyclonal to rabbit IgG at 1/10000 dilution
Predicted band size: 55, 52 kDa
Observed band size: 55 kDa

CSB-PA11789A0Rb

Immunohistochemistry of paraffin-embedded human skeletal muscle tissue using CSB-PA11789A0Rb at dilution of 1:100

CHRNA1 Antibodies

CHRNA1 for Torpedo californica

CHRNA1 for Mus musculus (Mouse)

CHRNA1 for Homo sapiens (Human)

CHRNA1 Proteins

CHRNA1 Proteins for Mus musculus (Mouse)

CHRNA1 Proteins for Homo sapiens (Human)

CHRNA1 Proteins for Tetronarce californica (Pacific electric ray) (Torpedo californica)

CHRNA1 Proteins for Torpedo californica (Pacific electric ray)