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Merck
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K0253

Sigma-Aldrich

角蛋白 来源于人表皮

aqueous solution

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About This Item

CAS號碼:
MDL號碼:
分類程式碼代碼:
12352202
NACRES:
NA.61

生物源

human epidermis

化驗

≥90% (SDS-PAGE)

形狀

urea solution

技術

ELISA: suitable

UniProt登錄號

儲存溫度

2-8°C

基因資訊

human ... KRT1(3848)

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一般說明

角蛋白是上皮组织的标志性中间纤维蛋白。在人类中,角蛋白分为I型和II型。约有54个基因编码角蛋白。角蛋白1(KRT1)基因被定位到人类染色体12q13.13上。它是头发、皮肤和指甲的主要成分。

應用

人表皮角蛋白已用于:
  • 在固相抗体芯片中作为分析物和交叉反应剂用于测定选择系数
  • 作为细胞外基质(ECM)蛋白标准品进行体外蛋白降解分析
  • 作为酶联免疫吸附测定(ELISA)的标准品

生化/生理作用

角蛋白对于上皮细胞和组织的机械稳定性和完整性非常重要。一些角蛋白还具有调节功能,并可参与细胞内信号转导途径,例如对压力的保护、伤口愈合和细胞凋亡。这组多样化的细胞骨架支架蛋白可形成中等细丝网络,其为维持皮肤完整性的角质形成细胞提供了结构支持。角蛋白基因的表达通常受分层鳞状上皮细胞内表皮细胞分化的调节。

外觀

溶于 8 M 尿素、50 mM Tris、0.1 M β-巯基乙醇和 0.1% 叠氮化钠,pH 8.4

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Skin Sens. 1

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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A Pena et al.
Optics express, 13(16), 6268-6274 (2005-08-08)
We recorded one-photon excited fluorescence (1PEF) and two-photon excited fluorescence (2PEF) spectra of purified keratin from human epidermis, and determined the action cross section of this endogenous chromophore. We used this spectroscopic analysis to analyse multiphoton images of skin biopsies
A Elefante et al.
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