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42424-50-0

中文名稱 雙鏈聚肌胞
英文名稱 POLYINOSINIC-POLYCYTIDYLIC ACID SODIUM SALT
CAS 42424-50-0
分子式 C19H27N7O16P2
分子量 671.41
MOL 文件 42424-50-0.mol
更新日期 2024/10/25 13:58:01
42424-50-0 結構式 42424-50-0 結構式

基本信息

中文別名
雙鏈聚肌胞
雙鏈聚肌胞溶液
雙鏈聚肌胞鈉鹽
聚肌苷酸-聚胞苷酸鈉鹽
聚肌苷 - 聚胞苷酸鈉鹽
卡那霉素-聚肌胞鈉鹽復合物
聚肌胞溶液(雙鏈聚肌胞溶液)
POLYI:C雙鏈聚肌胞鈉鹽
6.雙鏈聚肌胞(POLYI:C .)
英文別名
Poly(I) •
Poly(I:C) sodium
POLY I POLY C, NA
Polymyocyte sodium salt
POLY[I] POLY[C] SODIUM SALT
polyinosinic-polycytidylic acid sodium
polyI-polyC sodium salt compound solution
POLYINOSINIC-POLYCYTIDYLIC ACID SODIUM SALT
POLYINOSINIC ACID POLYCYTIDYLIC ACID, SODIUM SALT
POLYINOSINIC ACID + POLYCYTIDYLIC ACID, SODIUM SALT
所屬類別
生物化工:生物反應調節(jié)劑

物理化學性質

儲存條件−20°C
儲存條件−20°C
溶解度H2O:可溶,10mg/mL
形態(tài)凍干粉
顏色White to off-white
水溶解性Water : 10 mg/mL (Need ultrasonic and warming)

應用領域

用途1
一種可作為在TLR3水平對細胞信號轉導進行研究的模型RNA的雙鏈均聚物。也是一種TRIF依賴性toll樣受體-3(TLR3)配體。

安全數(shù)據(jù)

安全說明22-24/25
WGK Germany3
WGK Germany3
RTECS號TR0175000

常見問題列表

生物活性
Polyinosinic-polycytidylic acid sodium (Poly(I:C) sodium) 是雙鏈 RNA 的合成類似物,是一種 TLR3 和視黃酸誘導型基因 I 受體 (RIG-I 和 MDA5) 的激動劑。Polyinosinic-polycytidylic acid sodium 可以用作疫苗佐劑,以增強先天性和適應性免疫反應,并改變腫瘤的微環(huán)境,還可以直接觸發(fā)癌細胞發(fā)生凋亡。
靶點

TLR3, RIG-I, MDA5, apoptosis

體外研究

Polyinosinic-polycytidylic acid (20 ng/mL; 24 hours; WM793, WM278, WM239A, WM9 and 1205Lu cells) treatment strongly reduces viability from 100% in controls to 20%–50% within 24 hours.
Polyinosinic-polycytidylic acid (200 ng/mL; 24 hours; 1205Lu cells) treatment induces apoptosis in 1205Lu cells.
Polyinosinic-polycytidylic acid (3 ng/mL; 24 hours; 1205Lu cells) treatment induces IFN-β expression in melanoma cells. Silencing of RIG-I and MDA-5 confirmed that induction of IFN-β by Polyinosinic-polycytidylic acid required RIG-I and MDA-5, respectively, and that required IPS-1.
Polyinosinic-polycytidylic acid (5 ng/mL; 24 hours; 1205Lu cells) treatment reveals active subunits of caspase-9 and caspase-8 in melanoma cells.
Polyinosinic-polycytidylic acid sodium is prepared for injection by resuspending in sterile saline, heating to 50 °C at a concentration of 2 mg/ml to ensure complete solubilisation and then allowing to cool naturally to room temperature to ensure proper annealing of double-stranded RNA. Poly I:C is stored at -20 °C until use.

Cell Viability Assay

Cell Line: WM793, WM278, WM239A, WM9 and 1205Lu cells
Concentration: 20 ng/mL
Incubation Time: 24 hours
Result: Strongly reduced viability from 100% in controls to 20%–50% within 24 hours.

Apoptosis Analysis

Cell Line: 1205Lu cells
Concentration: 200 ng/mL
Incubation Time: 24 hours
Result: Induced apoptosis in 1205Lu cells.

RT-PCR

Cell Line: 1205Lu cells
Concentration: 3 ng/mL
Incubation Time: 24 hours
Result: Induced IFN-β expression in melanoma cells.

Western Blot Analysis

Cell Line: 1205Lu cells
Concentration: 5 ng/mL
Incubation Time: 24 hours
Result: Revealed active subunits of caspase-9 and caspase-8 in melanoma cells.
體內研究

Polyinosinic-polycytidylic acid treatment inhibits tumor growth in NOD/SCID immunodeficient mice injected with 1205Lu cells. The level of human DNA is 50% lower in mice treated with Polyinosinic-polycytidylic acid.

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