斑疹傷寒立克次氏體IgG ELISA試劑盒

Rickettsia prowazekii IgG ELISA Kit

廣州健侖生物科技有限公司

主要用途：用于檢測人血清中的斑疹傷寒立克次氏體 IgG 抗體

產品規(guī)格：96人份/盒

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斑疹傷寒立克次氏體IgG ELISA試劑盒

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【公司名稱】 廣州健侖生物科技有限公司
【】    楊永漢 
【】 
【騰訊 】 2042552662
【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號二期2幢101-3室
【企業(yè)文化】

霍華德·休斯醫(yī)學研究所的研究員Nudler說，他的團隊的研究表明，eEF1A1通過招募一個關鍵轉錄因子對熱休克基因激活轉錄。它也穩(wěn)定了HSP的mRNA，并幫助這些RNA轉出細胞核并將它們傳遞到細胞的核糖體中用于蛋白質的合成。Nudler說，以這種方式，eEF1A1掌管了響應于應力制造HSP的整個過程。然后HSP結合到其他的蛋白質中，阻止其毒性聚集。
該eEF1A蛋白在不同的組織中被表達為兩個類似的形式，1和2。Nudler及其同事表明，例如，運動神經元表達形式2(eEF1A2)，其不支持熱休克反應。他們認為，這就是為什么這些特殊細胞無法安裝熱休克反應的原因，因此這些運動神經元特別容易受到壓力和疾病，如ALS。在藥物開發(fā)所面臨的挑戰(zhàn)將是通過調節(jié)eEF1A的活性恢復運動神經元的熱休克反應。
Nudler實驗室在這項研究中使用的是各種人類和小鼠細胞系。
人一旦通過練習掌握了一個動作，之后就能簡單重復了。這說明大腦擁有運動學習功能，能形成新的運動記憶。日本研究人員日前報告說，他們在大腦皮質運動區(qū)發(fā)現了與運動記憶有關的腦活動的形成機制。
高知工科大學等機構的研究人員在新一期美國《神經科學雜志》上發(fā)表了他們的研究成果。在實驗中，研究人員讓受試者用手抓住機器人的機械臂，將屏幕上的光標從開始點筆直地移動到目的地，此外還通過機械臂對受試者施加外部干擾，然后利用經顱磁刺激技術觀察受試者大腦皮質運動區(qū)的活動發(fā)生了何種變化。

Nudler, a Howard Hughes Medical Institute researcher, said his team's latest study shows that eEF1A1 activates transcription by activating a critical transcription factor on heat shock genes. It also stabilizes HSP mRNA and helps to transfer these RNAs out of the nucleus and deliver them to the cell's ribosomes for protein synthesis. In this way, Nudler said, eEF1A1 is in charge of the entire process of making HSPs in response to stress. The HSP then binds to other proteins, preventing its toxic build-up.
The eEF1A protein is expressed in two different forms, 1 and 2, in different tissues. Nudler and colleagues show that, for example, motor neuron expression 2 (eEF1A2), which does not support the heat shock response. This is why they think these special cells are unable to install the heat shock response, they think, and are therefore particularly vulnerable to stress and disease such as ALS. The challenge in drug development will be to restore the heat shock response of motor neurons by modulating the activity of eEFlA.
Nudler Laboratories used a variety of human and mouse cell lines in this study.
Once a person masters an action through practice, it can be simply repeated. This shows that the brain has a motor learning function, can form a new memory. Japanese researchers recently reported that they found a mechanism for the formation of motor activity associated with motor memory in the motor cortex.
Researchers at institutions such as Kochi University of Technology published their findings in a new issue of the Journal of Neuroscience. In the experiment, the researcher allowed the subject to grab the robotic arm with his hand, move the cursor on the screen straight from the starting point to the destination, and additionally subject the subject to external disturbances through the robotic arm, Cranial magnetic stimulation technique was used to observe changes in the activity of the motor cortex in the subject.