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Merck
CN

I1884

Sigma-Aldrich

胰岛素-转铁蛋白-亚硒酸钠培养基添加剂

γ-irradiated, lyophilized powder, BioXtra, suitable for cell culture

别名:

ITS 添加剂

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About This Item

UNSPSC代码:
12352205
NACRES:
NA.75

生物来源

human plasma

质量水平

无菌性

γ-irradiated

产品线

BioXtra

形式

lyophilized powder

技术

cell culture | mammalian: suitable

UniProt登记号

运输

ambient

储存温度

−20°C

基因信息

human ... INS(3630)

一般描述

无血清及低血清配方通常需要适合体外生长和分化研究的纯化形式的因子,这些因子通常由血清提供。这些重要的因子包括胰岛素、转铁蛋白、硒、丙酮酸和乙醇胺。

胰岛素是一种多肽激素,可促进葡萄糖和氨基酸的摄取,这种特性可能与观察到的有丝分裂作用有关。

转铁蛋白是铁转运蛋白。铁是一种必需微量元素,但游离形式可能有毒。为了滋养培养的细胞,它可与血清转铁蛋白结合后使用。

硒是一种必需微量元素,通常由血清提供。

营养学研究表明这些补充剂成分能够被绝大多数哺乳动物细胞利用。它们可增强细胞的增殖并降低多种类型细胞的血清需求。当提供的补充剂与2%至4%的血清一起使用时,增殖被报道可与补充有10%血清的培养基相似。
胰岛素-转铁蛋白-亚硒酸钠培养基补充剂支持卵母细胞卵泡的体外生长和成熟,通常用于体外受精法。

应用

胰岛素转铁蛋白亚硒酸钠培养基补充剂可用作:
  • 心肌细胞培养用199培养基(M199)补充剂
  • 多能干细胞(iPSC)培养用洛斯维帕克纪念研究所(RPMI)1640培养基的成分
  • ID8卵巢癌细胞用达尔伯克氏改良伊格尔培养基(DMEM)的补充剂′

其他说明

ITS是人重组胰岛素、人转铁蛋白和亚硒酸钠的一种混合物。它是一种通用的细胞补充剂设计用于含有丙酮酸钠的非复合型培养基(如MEM、RPMI-1640)及复合型培养基(如Ham?s F-12、DME/F-12、MEM)。
每个小瓶包含: ≥21 mg重组人胰岛素、≥19 mg人转铁蛋白(基本不含铁)和25 μg亚硒酸钠。

数量

每小瓶足以制备 5 升培养基。

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

常规特殊物品

分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ (Lot或Batch)字后找到。

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How should I reconstitute I1884, Insulin-transferrin-sodium selenite media supplement (ITS Supplement)?

    First, make acidified water by adding acetic acid to reduce the pH to approximately 2. To prepare a stock solution, dissolve the contents of the vial in 5 mL sterile, acidified water and swirl to dissolve. Then add 45 mL of sterile water. This prepared solution is at 100X.  It is diluted 100 fold (1 ml to 100 ml) to give a 1X final concentration.

  4. What is the stability of I1884, Insulin-transferrin-sodium selenite media supplement (ITS Supplement), in solution?

    The stock solution can be frozen in working aliquots. Avoid repeated freeze/thaw cycles. Frozen working aliquots will be stable for at least one year. The solution is stable at 2-8°C for 30 days.

  5. What is the activity of insulin in I1884, Insulin-transferrin-sodium selenite media supplement (ITS Supplement)?

    The starting material has an activity of greater than or equal to 25.2 USP units/mg insulin.  The concentration of insulin at 100X is 5 mg/L.

  6. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  7. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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