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F1141 Sigma

Fibronectin from bovine plasma

solution, sterile-filtered, BioReagent, suitable for cell culture

Synonym: CIG, Cold insoluble globulin

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Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Components

Cellular fibronectin is an adhesion glycoprotein of the ECM,k existing as a dimer of an A chain and the B chain containing the type III connecting segment (IIIcs) region. Cellular fibronectin is different from plasma fibronectin by the presence of additional polypeptide segments and in an altered morphology of transformed cells and hemagglutination. Different forms of fibronectin can be generated from tissue specific splicing of fibronectin mRNA transcribed from a single gene.

Analysis Note

Protein homogeneity is evaluated by immunoelectrophoresis.

Application

This product is recommended for use as a cell culture substratum at 1-5 μg/cm2 or 0.5-50 μg/mL. The optimal concentration does depend on cell type as well as the application and research objectives. Bovine plasma fibronectin has been shown to stimulate the proliferation of rat osteoblasts in vitro, to induce odontoblast polarization and to regulae the differentiation of human dental pulp cells into odontoblasts.

Biochem/physiol Actions

Domains of fibronectin bind with collagen, fibrin, heparin, and specific cell membrane receptors. The most notable domain, Arg-Gly-Asp can be recognized by integrins and mediates cell adhesion. Fibronectin is also widely involved in interactions such as the attachment and migration of many cell types, cytoskeletal assembly, tyrosine phosphorylation, and metastasis.

Other Notes

Product F1141, Fibronectin from bovine plasma is a solution in 0.05 M TBS pH 7.5.

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Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

Articles

Fibronectin Cell Attachment Protocol

Freezing and thawing of reconstituted fibronectin is not recommended as breakdown of protein will occur.
George Sitterley
BioFiles 2008, 3.8, 9.
Keywords: Phase transitions

Fibronectin

Fibronectin (FN) is a multifunctional, extracellular matrix glycoprotein composed of two nearly identical disulfidebound polypeptides of molecular weight 220 kDa. Cellular fibronectin is structurally...
George Sitterley
BioFiles 2008, 3.8, 8.
Keywords: Adhesion, Cell culture, transformation

The Cancer Stem Cell Hypothesis

Traditionally, cancer has been viewed as a disease in which environmental or endogenous events induce mutations to critical oncogenes and tumor suppressor genes within a normal cell. The clinical man...
Keywords: Apoptosis, Asymmetric synthesis, Cancer, Catalysis, Cell culture, Cell division, Cell proliferation, Cell signaling, Clinical, Degradations, Environmental, Gastrointestinal, Gene expression, Ligands, Phosphorylations, Poisons, Transcription, Transfection, transformation

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癌症干细胞

传统观点认为,癌症是环境或内部因素诱导正常细胞内的关键致癌基因和肿瘤抑制基因突变导致的一种疾病。当这些突变导致细胞向更原始、高度增殖状态转化,克隆扩张形成白血病或实体肿瘤时,就会出现癌症的临床表现1。然而,这种模式不能够完全解释许多肿瘤和转移瘤的长发育延迟,产生细胞去分化和细胞永生的起始诱导机制,或肿瘤本身内的细胞功能和表型多样性起源。过去十年中,越来越多的证据表明,恶性肿瘤起源于组织干细胞在突...
Keywords: Angiogenesis, Cancer, Eliminations, Gene expression, Growth factors, Ligands, Metabolic Pathways, Phosphorylations

Peer-Reviewed Papers
15

References

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