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Merck

F2006

Sigma-Aldrich

Human Fibronectin

from human plasma, powder, suitable for cell culture

别名:

纤连蛋白 溶液 来源于人类成纤维细胞

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About This Item

EC號碼:
MDL號碼:
分類程式碼代碼:
12352202
eCl@ss:
42020141
NACRES:
NA.75

product name

人血浆纤连蛋白, lyophilized powder, BioReagent, suitable for cell culture

生物源

human plasma

品質等級

無菌

sterile

產品線

BioReagent

化驗

≥85% (SDS-PAGE)

形狀

lyophilized powder

分子量

450 kDa

包裝

pkg of 5 x 5 mg
pkg of 1 mg
pkg of 2 mg
pkg of 5 mg

濃度

>1 mg/mL protein

技術

cell culture | mammalian: suitable

表面覆盖率

1‑5 μg/cm2

雜質

HBSAG, none detected
HCV, none detected
HIV-1/HIV-2, none detected

溶解度

H2O: 1 mg/mL at 37 °C (Store reconstituted solution in working aliquots at -20°C or lower.)

NCBI登錄號

UniProt登錄號

結合特異性

Peptide Source: Collagen

運輸包裝

dry ice

儲存溫度

−20°C

基因資訊

human ... FN1(2335)

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相关类别

一般說明

纤连蛋白(FN)是一种多功能糖蛋白,相应的基因定位于人染色体2q34-36。该基因有75kb长并含有50个外显子。纤连蛋白结构中包含多个重复肽序列,这些序列在本质上是同源的,并在两个亚基上形成线性排列的功能单元。它存在有两种主要的异构体,一个可溶而另一种不可溶。前者存在与血浆中,而不可溶形式则存在于组织和软骨的细胞外基质(ECM)中。因在不同的区域存在可变剪切,故存在约20种不同的纤连蛋白形式,其中有两个III型外显子的被称为Extra Domains A和B。

應用

来自人血浆的纤连蛋白可用于以下应用:
  • 细胞接种和神经元分化(作为CBSC(脐带血干细胞)重悬的扩增培养基的组分之一,并用于分化培养基)
  • 细胞培养(以纤连蛋白包被培养小室进行HEK293细胞的表达)
  • 体外纤连蛋白(FN)沉淀试验
  • 蛋白特异性
  • 用于细胞迁移研究

生化/生理作用

纤连蛋白(FN)在多种生物学功能中起着必不可少的作用,如血管生成、细胞迁移、细胞-细胞粘附、细胞-基膜粘附、血栓稳定、胚胎发生、分化、伤口愈合以及病原体与哺乳细胞和胞外基质的结合。 对中国汉族人群的研究表明该基因的突变可能与膝关节骨性关节炎(OA)的易感性存在关联。FN的的剪切体extra domain-B(EDB)是肿瘤血管生成的标志,并随着基质硬度的增加,内皮细胞而产生的这种异构体也会增加。在结直肠癌(CRC)中,EDA与肿瘤转移、血管生成和肿瘤生成存在关联,并可促进上皮-间充质转化。

注意

该重悬溶液应按工作溶液进行分装并储存在-20°C或更低温度下。 不推荐对重悬的纤连蛋白进行涡旋、过度的摇晃或额外的反复冻融。

準備報告

该产品是由pH 7.5的0.05 M Tris盐缓冲液冻干而得。 它在水中具有1 mg/mL的溶解度,并应当让其在37°C溶解至少30分钟。可能会保留少量的未溶解物质,但这并不会影响其性能。 蛋白的同质性是通过免疫电泳而评估的,并经内毒素测试,而且相应的源材料也具备HIV、乙型肝炎和丙型肝炎的阴性测试结果。在进行培养表面涂覆时,纤连蛋白应在无菌的平衡盐溶液中稀释并用最小的体积进行涂覆。 表面随后应在室温下空气干燥45分钟,并可在2-8°C储存2-4周。

免責聲明

仅供研究使用。本品在法国的科研应用受到监管,包括用于进口和出口活动(法国《公共卫生法典》Public Health Code Article L 1211-1 paragraph 2)。如《公共卫生法典》所述,购买者(即最终用户)需要从法国研究部(France Ministry of Research)获得进口授权。订购此产品即代表您已确认获得合法的进口授权。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

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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Francois Bordeleau et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(27), 8314-8319 (2015-06-25)
Alternative splicing of proteins gives rise to different isoforms that play a crucial role in regulating several cellular processes. Notably, splicing profiles are altered in several cancer types, and these profiles are believed to be involved in driving the oncogenic
Chia-Wen Chang et al.
Lab on a chip, 14(19), 3762-3772 (2014-08-07)
This paper reports a polydimethylsiloxane-polycarbonate (PDMS-PC) hybrid microfluidic device capable of performing cell culture under combinations of chemical and oxygen gradients. The microfluidic device is constructed of two PDMS layers with microfluidic channel patterns separated by a thin PDMS membrane.
Timothy E Quan et al.
Methods in molecular medicine, 135, 423-434 (2007-10-24)
Fibrocytes circulate in the peripheral blood, produce collagen and other matrix proteins, and express cell surface markers indicative of a hematopoetic origin distinguishing them from fibroblasts. Circulating fibrocytes were first identified in 1994 in a model system of wound repair
Kerim B Kaylan et al.
Integrative biology : quantitative biosciences from nano to macro, 8(12), 1221-1231 (2016-11-02)
Carcinoma progression is influenced by interactions between epithelial tumor cells and components of their microenvironment. In particular, cell-extracellular matrix (ECM) interactions are known to drive tumor growth, metastatic potential, and sensitivity or resistance to therapy. Yet the intrinsic complexity of
Marianne J van den Heuvel et al.
Journal of virology, 79(13), 8164-8170 (2005-06-16)
Bovine leukemia virus (BLV) is a deltaretrovirus that infects cattle worldwide. In agriculturally intensive regions, approximately 30% of dairy cows are BLV infected. Like the human T-cell leukemia virus (HTLV), there is a lengthy period of viral quiescence after initial

商品

Fibronectin (FN) is a multifunctional, extracellular plasma glycoprotein produced by hepatocytes that circulates at near micromolar concentration and assembles into extracellular matrix fibrils at cell surfaces along with locally produced cellular FN.

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实验方案

Dilute fibronectin to the desired concentration. Optimum conditions for attachment are dependent on cell type and application. The typical coating concentration is 1 – 5 ug/cm2.Fibronectin coating protocol, products, and FAQs.

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