I2526
Insulin-like Growth Factor-II human
≥98% (SDS-PAGE and HPLC), recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture
Synonym(s):
IGF-II
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About This Item
Product Name
Insulin-like Growth Factor-II human, IGF-II, recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture
biological source
human
Quality Level
recombinant
expressed in E. coli
assay
≥98% (SDS-PAGE and HPLC)
form
lyophilized powder
potency
≤2.0 ng/mL ED50
quality
endotoxin tested
mol wt
7.5 kDa
packaging
pkg of 5X50 μg
pkg of 50 μg
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Biochem/physiol Actions
IGF-II, also known as multiplication stimulating activity (MSA), shows virtually identical bioactivities as IGF-I. IGF-II binds to the IGF-II receptor, IGF-I receptor, and weakly to the insulin receptor (IR). All IGF-II bioactivities in adult tissues are generally attributed to its interaction with IGF-I receptor. However, during embryogenesis the roles of both IGF-II receptor and IR may be significant in promoting normal growth.
Insulin-like growth factor II (IGF-II) also known as multiplication stimulating activity (MSA), shows virtually identical bioactivities as IGF-I. Expression of IGF-II is highest in fetal tissues, where it is believed to play a major role in overall growth and development. After birth IGF-II expression decreases to much lower levels in a variety of tissues. IGF-II is produced also in several tumors. IGF-II binds to IGF-II receptor (IGF-IIR), to IGF-IR and weakly to the insulin receptor (IR). All IGF-II bioactivities in adult tissues are generally attributed to its interaction with IGF-IR. However, during embryogenesis the roles of both IGF-IIR and IR may be significant in promoting normal growth.
Physical form
Lyophilized from a 0.2 μm filtered solution with no additives.
Analysis Note
The biological activity is measured by a cell proliferation assay using mouse FDC-P1
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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