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跨膜蛋白系列一:ATP結(jié)合盒轉(zhuǎn)運(yùn)蛋白

跨膜蛋白跨越脂質(zhì)雙分子層,根據(jù)其跨膜的次數(shù),可分為一次跨膜蛋白或多次跨膜蛋白。許多天然存在的跨膜蛋白充當(dāng)特定物質(zhì)通過生物膜的通道,可以接收或傳遞細(xì)胞信號,在分子運(yùn)輸中起到重要作用。

ATP結(jié)合盒轉(zhuǎn)運(yùn)蛋白(ATP-binding cassette transporter proteins,ABC轉(zhuǎn)運(yùn)蛋白),是一類可參與分子運(yùn)輸?shù)目缒さ鞍?,是目前已知最大的跨膜蛋白超家族。ABC轉(zhuǎn)運(yùn)蛋白結(jié)合并水解ATP并利用能量驅(qū)動(dòng)各種分子的跨膜運(yùn)輸,參與脂質(zhì)膜上特定分子的運(yùn)輸和所有生物體的抗性。

ABC轉(zhuǎn)運(yùn)蛋白和疾病

ABC轉(zhuǎn)運(yùn)蛋白基因突變與某些疾病的發(fā)生有關(guān)。這些疾病包括腎上腺白質(zhì)營養(yǎng)不良、囊性纖維化、視網(wǎng)膜變性、高膽固醇血癥和膽汁淤積、神經(jīng)系統(tǒng)疾病、貧血和藥物反應(yīng)。ABCA1中一些常見的單核苷酸多態(tài)性也影響血脂水平、動(dòng)脈粥樣硬化形成和冠心病的嚴(yán)重程度。

ABC轉(zhuǎn)運(yùn)蛋白與耐藥性

多藥耐藥性(MDR)是指腫瘤細(xì)胞對多種化療藥物具有交叉耐藥性的現(xiàn)象。這種情況主要是由ATP結(jié)合盒轉(zhuǎn)運(yùn)體介導(dǎo)的細(xì)胞毒藥物外排所致。在肝癌、胰腺癌等腫瘤的化療中,ATP結(jié)合盒轉(zhuǎn)運(yùn)體介導(dǎo)的MDR嚴(yán)重制約著化療的療效和預(yù)后。

ABC轉(zhuǎn)運(yùn)蛋白抑制劑

抑制ABC轉(zhuǎn)運(yùn)蛋白可以規(guī)避多藥耐藥性,并改善患者預(yù)后。逃避MDR可以在抑制mRNA水平MDR1的合成,或競爭MDR1的結(jié)合位點(diǎn)。此外,MDR的逆轉(zhuǎn)方法包括免疫療法逆轉(zhuǎn),基因逆轉(zhuǎn),生長抑素及其類似物的逆轉(zhuǎn),以及中草藥的逆轉(zhuǎn)。

有關(guān)ABC更多信息,您可以查看:A transport machine -- ATP-binding cassette.

在ABC轉(zhuǎn)運(yùn)蛋白相關(guān)疾病和耐藥性的眾多研究中,您可能需要與ABC轉(zhuǎn)運(yùn)蛋白相關(guān)的產(chǎn)品。CUSABIO擁有特殊的跨膜蛋白表達(dá)系統(tǒng),可生產(chǎn)多次跨膜蛋白,部分經(jīng)過活性驗(yàn)證。

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ATP-binding cassette (ABC) transporters related proteins for your research

ATP-binding cassette (ABC) transporters related antibodies for your research

Target Product Name Code Species Reactivity Tested Applications
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ABCC1 ABCC1 Antibody CSB-PA984353 Human ELISA, IHC
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ABCB8 ABCB8 Antibody CSB-PA985454 Human, Mouse, Rat ELISA, WB
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Target Product Name Code Sample Type Sensitivity
ABCG2 Human ATP-binding cassette transporter G2,ABCG2 ELISA Kit CSB-E11251h serum, plasma, cell lysates, cell culture supernates 0.039 ng/mL
ABCC5 Human Soluble Mesothelin Related Peptide(SMRP)ELISA Kit CSB-E13725h serum, plasma, tissue homogenates, cell lysates 0.078 pmol/mL
ABCB1 Human permeability glycoprotein,P-gp/ABCB1 ELISA Kit CSB-E11709h serum, plasma, ascitic fluid, tissue homogenates 0.78 ng/mL