托珠單抗Tocilizumab/Atlizumab (anti-IL-6 receptor) 375823-41-9
- 價 格:¥15985
- 貨 號:375823-41-9
- 產(chǎn) 地:北京
- BioVector NTCC典型培養(yǎng)物保藏中心
- 聯(lián)系人:Dr.Xu, Biovector NTCC Inc.
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中文名稱:托珠單抗中文同義詞:托珠單抗;塔西單抗英文名稱:TocilizuMab英文同義詞:TocilizuMab;Actemra;ActemraChemicalbook200;anti-IL-6RTocilizumab;Atlizumab;R1569;RoActemra;Tocilizumab,Atlizumab產(chǎn)品描述 托珠單抗類似物是一種抗人白介素-6受體的人源化的具有典型H2L2多肽結(jié)構(gòu)IgG1κ(gamma 1, kappa)亞基的單克隆抗體,每條輕鏈和重鏈分別由214和448個氨基酸組成,多肽鏈之間通過二硫鍵連接,分子量約148kDa,使用CHO細胞生產(chǎn)。性質(zhì)Name Biosimilar of TocilizumabCAS NO. 375823-41-9Type Whole antibodySource Humanized (from mouse)Target IL-6 receptorClone MonocloneMolecular Weight 148 kDaFormula C6428H9976N1720O2018S42Antibody Form Purified immunoglobulinPhysical Form SolutionGrade Standard Medicine GradeStorage -70±15℃ for long-term storage, 2-8℃ for short-term storage, away from light.生物活性Tocilizumab抑制IL-6與其受體結(jié)合,與其競爭性地結(jié)合可溶性和膜結(jié)合的IL-6受體,因而減少細胞因子促炎性活性。Tocilizumab的抑制活性與膜結(jié)合的IL-6表達無關(guān)。Tocilizumab通過誘導(dǎo)凋亡,具有抗癌效力。它通過抑制JAK-STAT3通路,對神經(jīng)膠質(zhì)瘤細胞具有抗增殖活性。Tocilizumab對NSCLC細胞具有顯著的生長抑制作用,其中,A549細胞的增殖顯著降低,降低了約40%。(適用于人源化、免疫缺陷型及非免疫缺陷型小鼠)實驗操作 來自于公開的文獻,僅供相同實驗參考(如實驗材料、目的不同,請參考其他文獻)細胞實驗細胞系 non-small cell lung cancer (NSCLC) cells (A549, H460, H358 and H1299 cells)方法 Ten microliters of tocilizumab, MTX or 5-FU are added to 96-well plates containing 104 cells per well in 100 μl medium. The final concentrations of tocilizumab are 10, 100 and 1000 ng/ml. The final concentrations of MTX and 5-FU are 50 and 25 μg/ml, respectively. Following a 24-h incubation, WST-1 solution is added, and the optical density is analyzed at reference wavelengths of 450 and 620 nm.濃度 10, 100 and 1000 ng/ml處理時間 24 h動物實驗動物模型 Male CB17/ICR-scid/scid mice (SCID mice)配制 PBS劑量 100 μg給藥處理 i.p.不同實驗動物依據(jù)體表面積的等效劑量轉(zhuǎn)換表(數(shù)據(jù)來源于FDA指南) 小鼠 大鼠 兔 豚鼠 倉鼠 狗重量 (kg) 0.02 0.15 1.8 0.4 0.08 10體表面積 (m2) 0.007 0.025 0.15 0.05 0.02 0.5Km 系數(shù) 3 6 12 8 5 20動物 A (mg/kg) = 動物 B (mg/kg) × 動物 B的Km系數(shù)動物 A的Km系數(shù)例如,依據(jù)體表面積折算法,將白藜蘆醇用于小鼠的劑量22.4 mg/kg 換算成大鼠的劑量,需要將22.4 mg/kg 乘以小鼠的Km系數(shù)(3),再除以大鼠的Km系數(shù)(6),得到白藜蘆醇用于大鼠的等效劑量為11.2 mg/kg。儲備液配制以下數(shù)據(jù)基于產(chǎn)品分子量,對于特殊產(chǎn)品,請參照COA中的儲備液配制條件和說明進行操作。Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg1 mM 0.0069 mL 0.0345 mL 0.069 mL5 mM 0.0014 mL 0.0069 mL 0.0138 mL10 mM 0.0007 mL 0.0034 mL 0.0069 mL參考文獻Anti-proliferative action of IL-6R-targeted antibody tocilizumab for non-small cell lung cancer cells.Kim NH, et al. Oncol Lett. 2015 May;9(5):2283-2288. PMID: 26137057.Tocilizumab, a humanized anti-IL-6R antibody, as an emerging therapeutic option for rheumatoid arthritis: molecular and cellular mechanistic insights.Hashizume M, et al. Int Rev Immunol. 2015 May;34(3):265-79. PMID: 25099958.單抗藥物對照品貝伐單抗,Bevacizumab 納武單抗,Nivolumab帕妥珠單抗,Pertuzumab 曲妥珠單抗,Trastuzumab阿達木單抗,Adalimumab 帕姆單抗,Pembrolizumab迪諾蘇單抗,Denosumab 阿替唑單抗,Atezolizumab優(yōu)特克諾單抗,Ustekinumab 維多珠單抗,Vedolizumab1、33個產(chǎn)品,三種規(guī)格:1mg,2mg,5mg;2、價格優(yōu),全現(xiàn)貨;3、科研產(chǎn)品,僅用科研,禁用臨床;Supplier供應(yīng)商:BioVector NTCC質(zhì)粒載體菌株細胞蛋白抗體基因保藏中心電話:010-53513060網(wǎng)址http://www.biovector.net
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