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Merck

C7661

Sigma-Aldrich

Rat Collagen Type I

from rat tail, powder, suitable for cell culture

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About This Item

CAS号:
EC號碼:
MDL號碼:
分類程式碼代碼:
12352202
NACRES:
NA.75

product name

胶原蛋白 来源于大鼠尾, Bornstein and Traub Type I, powder, BioReagent, suitable for cell culture

生物源

rat tail

品質等級

產品線

BioReagent

形狀

powder

分子量

120—160 kDa

包裝

glass bottle of 5 mg

技術

cell culture | mammalian: suitable

表面覆盖率

6‑10 μg/cm2

溶解度

soluble

NCBI登錄號

UniProt登錄號

結合特異性

Peptide Source: Fibrinogen

Peptide Source: Laminin

儲存溫度

2-8°C

基因資訊

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一般說明

所有胶原蛋白分子均由以三螺旋构象排列的三条肽链组成,其一级结构主要以三个氨基酸作为重复基序,即每隔两个氨基酸是一个甘氨酸残基,其前面的两个位置通常为脯氨酸或4-羟基脯氨酸。I型胶原不同于其他胶原蛋白的方面为其低赖氨酸羟基化和低碳水化合物构成。Col1a1(胶原蛋白,I型,α1)或胶原蛋白是一种主要的人体结构蛋白,它以纤维的形式聚集。这是一种很长很薄的蛋白质,是人体中发现的最丰富的蛋白质。它是由三条左旋多肽链组成的超螺旋右螺旋结构。这些链由~1040个氨基酸组成,基本上是三个氨基酸-(Gly-X-Y)n的重复序列。Gly是甘氨酸,X和Y可以是任何氨基酸,但人体中通常分别是脯氨酸和羟脯氨酸。
Product is clear to hazy colorless solution with a few insolubles at 1 mg/ml in water with 2 μl acetic acid (or 0.1 N acetic acid). The insolubles can be removed by settling or centrifugation.

應用

鼠尾胶原蛋白的应用:

  • 免疫组织化学
  • 细胞活性检测
  • 用于背根神经节(DRG)外植体的产生
  • 作为官能化表面的制备组分之一(用于核磁共振)
  • 用于细胞培养(玻璃盖玻片包被有高浓度的纳米线和胶原蛋白)
  • 用于微通道的生物官能化

生化/生理作用

胶原蛋白是结缔组织的基本成分。一个中国家庭的研究表明COL1A1(胶原酶I型)突变与I型成骨不全有关。胶原蛋白和软骨下骨转换能力下调有关,可作为骨关节炎的关节间隙狭窄和骨刺状态的标志物。鼠尾胶原蛋白用于在组织培养板上铺上薄层包被,促进锚定依赖性细胞附着,推荐使用浓度为 6-10 μg/cm2。本品不能用于制作3-D凝胶。I型胶原常作为细胞培养的附着基质,与成肌细胞、脊髓神经节、肝细胞、胚胎肺、心脏外植体、成纤维细胞、内皮细胞、胰岛细胞一起在I型胶原的膜或凝胶上成功培养。I型胶原也可用于特发性肺纤维化(IPF)的研究,研究内质网应激IPF对肺成纤维细胞的影响。酸性溶液中的胶原蛋白可以产生三维支架,用于生物工程和细胞培养。

準備報告

产品为澄清至浑浊的无色溶液,以1 mg/ml 的浓度溶于含有2 μl 乙酸(或 0.1 N 乙酸)的水中时存在少量不溶物。通过沉降或离心可去除此不溶物。

其他說明

胶原蛋白被分为许多种结构和遗传性不同的类型。我们使用Bornstein和Traub提出的命名法。不要混淆Sigma分类标识和公认的胶原蛋白分类类型。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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