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產(chǎn)品型號(hào)美國(guó)NOVABIOS
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更新時(shí)間:2022-11-29 20:50:24瀏覽次數(shù):479次
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廣州健侖生物科技?有限公司
本司長(zhǎng)期供應(yīng)尼古丁(可替寧)檢測(cè)試劑盒,其主要品牌包括美國(guó)NovaBios、廣州健侖、廣州創(chuàng)侖等進(jìn)口產(chǎn)品,國(guó)產(chǎn)產(chǎn)品,試劑盒的實(shí)驗(yàn)方法是膠體金方法。
我司還提供其它進(jìn)口或國(guó)產(chǎn)試劑盒:登革熱、瘧疾、流感、A鏈球菌、合胞病毒、腮病毒、乙腦、寨卡、黃熱病、基孔肯雅熱、克錐蟲病、違禁品濫用、肺炎球菌、軍團(tuán)菌等試劑盒以及日本生研細(xì)菌分型診斷血清、德國(guó)SiFin診斷血清、丹麥SSI診斷血清等產(chǎn)品。
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【包裝規(guī)格】
1人份/袋,40人份/盒
【預(yù)期用途】
尼古丁(Nicotine)是煙草中的主要生物堿,是導(dǎo)致吸煙成癮的物質(zhì)動(dòng)因,也是評(píng)價(jià)人體攝入煙草煙霧的常用指標(biāo)。但因?yàn)槟峁哦“胨テ诙蹋瑹o法作為標(biāo)志物檢測(cè),其代謝物可替寧因?yàn)榘胨テ陂L(zhǎng)作為吸煙和戒煙的標(biāo)志物。
本品采用競(jìng)爭(zhēng)抑制法和膠體金免疫層析技術(shù),用于快速定性檢測(cè)人體唾液中的可替寧,適用于評(píng)價(jià)煙草煙霧攝入的初步篩查。
【主要組成成份】
【檢驗(yàn)方法】
可替寧試劑 可替寧檢測(cè)試劑盒
后者是CB1受體中由疏水氨基酸殘基所形成的一種配體結(jié)合口袋。其形狀與配體的互補(bǔ)性越大,則受體與配體的親和力也就越大。 此次,劉志杰課題組“解析”了CB1與拮抗劑AM6538復(fù)合物的高分辨率精細(xì)結(jié)構(gòu),*揭示了拮抗劑小分子是如何與受體相互作用的。“它的結(jié)合口袋以及相互作用的關(guān)鍵氨基酸,對(duì)今后設(shè)計(jì)高特異性的抑制劑類藥物提供了非常重要的結(jié)構(gòu)及理論基礎(chǔ),也為分析不同類型的分子配體與受體的作用模式提供了更精確的三維結(jié)構(gòu)模型。”劉志杰介紹道。 更重要的是,該研究團(tuán)隊(duì)發(fā)現(xiàn)之前發(fā)表的關(guān)于CB1的三維預(yù)測(cè)模型大部分都不是很準(zhǔn)確,這就導(dǎo)致設(shè)計(jì)出來的藥物小分子的特異性不高,會(huì)同時(shí)作用于與CB1同源性較高的其他受體而產(chǎn)生副作用。 “作為治療抑郁癥和戒細(xì)菌的潛在靶點(diǎn),CB1對(duì)于抗焦慮的療效也具有潛力。它主要分布于中間神經(jīng)元,從而發(fā)揮行為抑制的優(yōu)勢(shì)。”李揚(yáng)解釋說,“比如抑郁癥的發(fā)生,一方面是情緒中樞功能亢進(jìn),另一方面就是高級(jí)認(rèn)知功能低下和行為抑制功能失控。CB1主要作用負(fù)面情緒調(diào)節(jié),增強(qiáng)判斷力。” 相關(guān)藥物研究將有所突破 “因?yàn)榻Y(jié)構(gòu)不明,所以一直以來在抗抑郁癥等領(lǐng)域?qū)τ贑B1的關(guān)注不夠。當(dāng)然,抑郁癥的發(fā)病機(jī)制比較復(fù)雜,治療途徑也包括多種通路。目前來說,上處于臨床一期、二期、三期在研的抗抑郁藥有幾十種,針對(duì)人體內(nèi)二十多種靶點(diǎn),其中CB1則屬于潛在靶點(diǎn)之一。”李揚(yáng)表示,“劉志杰教授的貢獻(xiàn)會(huì)讓更多的人將注意力轉(zhuǎn)移到CB1。” 劉志杰表示,這項(xiàng)研究在對(duì)藥物依賴治療的研究中就將起到一定作用。“以前的研究報(bào)道,內(nèi)源性細(xì)菌系統(tǒng)在尼古丁成癮神經(jīng)機(jī)制中具有重要的作用,CB1的拮抗劑可以減少對(duì)尼古丁的渴求行為。我們的晶體結(jié)構(gòu)揭示了拮抗劑小分子與CB1的復(fù)雜疏水結(jié)合口袋,AM6538非共價(jià)的緊密結(jié)合模式使其具備了成為長(zhǎng)效緩釋藥物分子的巨大潛力,這一特性也是治療成癮障礙藥物的基本要求。”
想了解更多的韓國(guó)SD產(chǎn)品及服務(wù)請(qǐng)掃描下方二維碼:我司還提供其它進(jìn)口或國(guó)產(chǎn)試劑盒:登革熱、瘧疾、流感、A鏈球菌、合胞病毒、腮病毒、乙腦、寨卡、黃熱病、基孔肯雅熱、克錐蟲病、違禁品濫用、肺炎球菌、軍團(tuán)菌等試劑盒以及日本生研細(xì)菌分型診斷血清、德國(guó)SiFin診斷血清、丹麥SSI診斷血清等產(chǎn)品。
二維碼掃一掃
【公司名稱】 廣州健侖生物科技有限公司
【】 楊永漢
【】
【騰訊 】
【公司地址】 廣州清華科技園創(chuàng)新基地番禺石樓鎮(zhèn)創(chuàng)啟路63號(hào)二期2幢101-3室
【企業(yè)文化宣傳】
The latter is a ligand-binding pocket formed by hydrophobic amino acid residues in the CB1 receptor. The greater the complementarity between the shape and the ligand, the greater the affinity of the ligand to the ligand. This time, Liu Zhijie's group "resolved" the high-resolution fine structure of CB1 and the antagonist AM6538 complex, revealing for the first time how antagonistic small molecules interact with the receptor. "Its binding pocket and key amino acids interacting provide a very important structural and theoretical basis for the design of highly specific inhibitor drugs in the future, as well as providing insight into the mode of action of different types of ligands and receptors More accurate three-dimensional structural model. "Liu Zhijie introduction road. More importantly, the team found that most of the previously published three-dimensional predictive models for CB1 were not very accurate, leading to low specificity of the designed drug small molecule and simultaneous effects on CB1 homology High side effects of other receptors. "CB1 also has potential for anxiolytic efficacy as a potential target for the treatment of depression and bacteriocidosis, and it is mainly distributed in the interneurons, thereby exerting the advantage of behavioral inhibition." Li Yang explained that "such as the occurrence of depression , On the one hand is the emotional center hyperthyroidism, on the other hand is the high cognitive dysfunction and behavioral inhibition function out of control .CB1 main negative emotional regulation, enhance the ability to judge. "Relevant drug research will be a breakthrough" because the structure is unknown, so has been Since the depression in areas such as CB1 is not enough attention.Of course, the pathogenesis of depression is more complex, the treatment also includes a variety of pathways.At present, the international phase one, two, three in the research There are dozens of antidepressants targeted at more than 20 kinds of targets in the human body, of which CB1 is one of the potential targets. "Li Yang said," Professor Liu Zhijie's contribution will allow more people to divert attention to CB1 "Liu Zhijie said the study will play a role in the study of drug dependence. Previous studies have reported that endogenous bacterial systems play an important role in the nicotine addiction neural mechanism, and CB1 antagonists can reduce the thirst for nicotine.Our crystal structure reveals a complex hydrophobic interaction between small antagonist molecules and CB1 In combination with the pockets, AM6538's non-covalent, tightly-coupled mode of delivery gives it the potential to become a long-acting, sustained-release drug molecule that is also essential for the treatment of addictive disorders. "
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