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美國 賽信通 Cell Signaling Technology（CST）
美國 Cell Signaling Technology（CST）是最知名的和老牌的信號轉導公司之一，專注于信號轉導產品的提供和研究。產品具有種類多、質量好、價格低、引用文獻多等優點，是您進行信號轉導研究不可多得的幫手！
提供特色的信號傳導用磷酸化檢測抗體、ELISA檢測試劑盒、活性的重組激酶等藥篩產品。涉及的細胞信號通路有： 1 染色質調控與乙酰化信號通路 2 MAP激酶信號網絡 3 SAPK/JNK信號通路 4 細胞凋亡與Caspase信號網絡 5 AKT信號網絡 6 轉錄與翻譯調控 7 蛋白激酶C PKC 信號網絡 8 周期調控與DNA損傷信號通路 9 細胞骨架調控 10 白細胞信號傳導，等等。
主要產品：
抗體類：提供超過1300種磷酸化和非磷酸化抗體，具有最多的磷酸化抗體，同時提供sample kit和phosphoPlus Ab kit
ELISA試劑盒：PathScan Sandwich ELISA Kit系列產品是檢測蛋白磷酸化水平的ELISA試劑盒，靈敏度高，操作簡單
WB用蛋白Marker：CST的Biotinylated Protein Ladder Detection Pack產品包括有10個條帶、大小在10-200Kda之間的生物素標記蛋白標準和HRP藕聯的抗生物素二抗（anti-biotin antibody, HRP-linked），有大小兩種包裝可選
kinase assay kit：試劑盒組成合理全面，非同位素操作，應用起來簡單方便。
buffer類：共有6個buffer類，是進行普通WB或磷酸化WB檢測的必須輔助試劑，用于標本蛋白的制備。
激酶類：多種形式的蛋白激酶，可以用于藥物篩選
藥物篩選試劑盒：高通量、針對激酶的藥物篩選

Cell Signaling Technology, Inc (CST) 是美國著名的生物公司和細胞信號轉導研究的領袖，提供特色的信號轉導檢測用抗體及磷酸化抗體、ELISA試劑盒、激酶等產品。CST總部位于美國波士頓，毗鄰哈佛、麻省理工等著名學府的雄厚人才資源，擁有專業的生產和研發隊伍，發表的文章多次收錄在Nature, Cell, Journal of Immunology 等雜志上。其高質量的產品和專業的研發精神已被全球客戶推崇為“細胞信號轉導研究的金標準”！

CST (China)是其在華成立的全資子公司，公司位于上海，依靠國內成熟的生物試劑產品分銷商，旨在為中國客戶提供快捷、高效的產品和技術服務，并將全面負責中國市場的開拓，銷售渠道的管理等工作！

The genomic era has yielded a wealth of new genes for which function and inter-relationships remain unknown. At the same time there is an increasing appreciation of the limits of what can be learned from gene expression profiling, and of the need to examine protein expression and activity. Activation-state-specific antibodies have proven to be a convenient and reliable set of tools in the new post-genomic "research toolbox". Cell Signaling Technology, Inc. (CST) is committed to developing innovative new research tools such as these to help define the mechanisms underlying cell function and disease, thereby broadly accelerating progress in biomedical research and medicine.

CST strives to make novel antibodies of the highest possible quality by producing them in-house and rigorously characterizing them with respect to specificity and sensitivity. Production begins with extensive purification (typically by both protein A and peptide affinity chromatography) followed by testing by our staff scientists on a wide range of applications, including ELISA, western blotting, immunoprecipitation, immunocytochemistry, immunohistochemistry and flow cytometry. Technical support is provided by the very scientists who make a given antibody and know it best. CST scientists are also responsible for creating most of the cell signaling reference material, including pathways, kinase trees and kinase disease associations that we offer our customers in the last chapter of this catalog and on our website.