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IGF-1

CAT: 0209-100-040SSize: 100 µgDry Ice: NoHazardous: No
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CAT#:0209-100-040SSize:100 µg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
The IGFs are mitogenic polypeptide growth factors that stimulate the proliferation and survival of various cell types including muscle, bone, and cartilage tissue in vitro. IGFs are predominantly produced by the liver, although a variety of tissues produce the IGFs at distinctive times. The IGFs belong to the Insulin gene family, which also contains insulin and relaxin. The IGFs are similar by structure and function to insulin, but have a much higher growth-promoting activity than insulin. IGF-II expression is influenced by placenta lactogen, while IGF-I expression is regulated by growth hormone. Both IGF-I and IGF-II signal through the tyrosine kinase type I receptor (IGF-IR), but, IGF-II can also signal through the IGF-II/Mannose-6-phosphate receptor. Mature IGFs are generated by proteolytic processing of inactive precursor proteins, which contain N-terminal and C-terminal propeptide regions. Recombinant human IGF-I and IGF-II are globular proteins containing 70 and 67 amino acids, respectively, and 3 intra-molecular disulfide bonds.
Synonyms
IGF1; IGFI; IGF-I; IGF1A
NCBI Gene ID
3479
UniProt
P05019
Accession Number
NP_000609.1
Accession Number mRNA
NM_000618.3
Chromosomal Location
12q23.2
Reactivity
Human
Cross Reactivity
Chicken, Cow, Frog, Horse, Monkey, Mouse, Pig, Rat, Sheep, Hamster, Human
Sequence
GPETLCGAEL VDALQFVCGD RGFYFNKPTG YGSSSRRAPQ TGIVDECCFR SCDLRRLEMY CAPLKPAKSA
Assay Protocol
Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1 mg/mL. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer (e.g. PBS) containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.
Endotoxin
< 0.1 ng/µg of protein (< 1EU/µg)
Purity
> 98% by SDS-PAGE & HPLC analyses
Bioactivity
The ED50 was determined by a cell proliferation assay using FDC-P1 cells is ≤ 2.0 ng/ml, corresponding to a specific activity of ≥ 5 x 105 units/mg.
Length
70
Form
Lyophilized
Reconstitution
Water
Molecular Weight
7.6 kDa
Storage Conditions
The lyophilized protein is stable at room temperature for 1 month and at 4°C for 6 months. Reconstituted working aliquots are stable for 1 week at 2°C to 8°C and for 12 months at -20°C to -80°C.
Host or Source
E. coli

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PA1374-SIGF-1
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