庫存單位: PKSH032596_20μg-ES

重組人 IGF-II/IGF2 蛋白,20 μg

胰島素樣生長因子 II (IGF2) 屬於參與發育和生長的多肽生長因子胰島素家族。該家族的成員在結構上與胰島素原同源,且具有更高的序列同一性。 IGF2 僅由父系遺傳的等位基因表達,並被認為是由肝臟分泌並在血液中循環。 IGF2 具有促進生長的活性,可刺激體外肌肉、骨骼和軟骨組織等各種細胞類型的增殖和存活。 IGF2 受胎盤催乳素的影響,可能在胎兒發育中發揮作用。

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Product Specification

Basic Information

Brands:Elabscience

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Place of Origin:中國

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Reconstitution:請參閱印刷手冊以取得詳細資訊。

Shipping:本產品以凍乾粉形式提供,並附冰袋運送。

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Calculated Molecular Weight:8.3千道爾頓

Observed Molecular Weight:11千道爾頓

Purity: 以還原 SDS-PAGE 測定,結果為 > 98%。

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Storage:一般來說,冷凍乾燥蛋白在-20至-80℃保存可穩定保存長達12個月。重建後的蛋白溶液可在4-8℃保存2-7天。重建樣品的等分試樣在 < -20℃ 穩定保存 3 個月。

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Calculated Molecular Weight:8.3千道爾頓

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Endotoxin: 依照 LAL 方法測定,每 μg 蛋白質含量 < 0.1 EU。

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Features and Capabilities

Application:細胞培養

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Research Areas:訊號傳導;癌症;發育生物學;

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Bio-activity:透過其誘導MCF-7細胞增殖的能力來測量。此效應的 ED 50為 <3 ng/mL。重組人IGF-II的比活性為> 3x 10 5 IU/mg。

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Formulation:從無菌 PBS 冷凍乾燥,pH 值為 8.0。
通常在冷凍乾燥前會添加5%~8%的海藻糖、甘露醇和0.01%的吐溫80作為保護劑。
請參閱印刷手冊中的具體緩衝液資訊。

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