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T1147

Sigma-Aldrich

apo-Transferrin human

powder, BioReagent, suitable for cell culture, ≥98% (agarose gel electrophoresis)

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Synonym(s):
Human transferrin, Siderophilin
CAS Number:
EC Number:
MDL number:
NACRES:
NA.75

biological source

human plasma

Quality Level

product line

BioReagent

assay

≥98% (agarose gel electrophoresis)

form

powder

mol wt

76-81 kDa

concentration

~25 mM

technique(s)

cell culture | mammalian: suitable

impurities

HIV and HBsAg, source material tested negative
≤0.005% iron

solubility

H2O: 50 mg/mL

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

Gene Information

human ... TF(7018)

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Application

Apo-Transferrin human can be supplemented with iron or used to bind free iron present in media. It is also used to transport iron into mammalian cells.

Biochem/physiol Actions

Transferrin is the primary iron binding and cell delivery molecule present in serum. Serum-free cell culture systems require a delivery format for iron. Transferrin is the preferential delivery form of iron because cells process transferrin bound iron in a physiologically appropriate way through transferrin receptors on the cell surface. Human apo-transferrin is a high affinity transferrin that can be used with a wide range of cells types. Apo-transferrin can be loaded with iron prior to use or added directly to an iron containing medium.

Other Notes

Non-heme iron-transport protein.

Disclaimer

RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3


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Articles

Understand how transferrin affects serum-free cell culture systems, crucial for biomanufacturing heterologous proteins like monoclonal antibodies.

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