Leinco Technologies

Recombinant Human Heregulin-β1 (HRG1-β EGF Domain)

Product Code:
 
LEI-H1420
Product Group:
 
Recombinant Proteins
Host Type:
 
Human
Regulatory Status:
 
RUO
Shipping:
 
Ambient
Storage:
 
This lyophilized protein is stable for six to twelve months when stored desiccated at -20°C to -70°C. After aseptic reconstitution this protein may be stored at 2°C to 8°C for one month or at -20°C to -70°C in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles. See Product Insert for exact lot specific storage instructions.
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LEI-H1420-50ug50 ug£580.00
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Further Information

Format:
This recombinant protein was lyophilized from a 0.2 um filtered solution in 35% acetonitrile (CH3CN) and 0.1% trifluoroacetic acid (TFA).
Formulation:
This recombinant protein was lyophilized from a 0.2 um filtered solution in 35% acetonitrile (CH3CN) and 0.1% trifluoroacetic acid (TFA).
Long Description:
Neuregulin/Heregulin is a family of related growth factors that are differentially spliced variants of four genes: NRG1, NRG2, NRG3 and NRG4. The longest forms of NRG contains several different modular domains and tissue-specific splicing results in many NRG isoforms containing different sets of these domains. Alternative splicing produces two types of EGF domain, designated a and b. HRG-Beta1 contains an Ig domain and an EGF domain necessary for direct binding to receptor tyrosine kinases erbB-3 and erbB-4. HRG-Beta1 binding causes erbB-3 and erbB-4 to dimerize with erbB-2 (Her2/neu) and thereby regulates the phosphorylation of erbB-2 tyrosines. HRG-Beta1 stimulates proliferation and motility of breast cancer cells and plays a role in wound healing by stimulating epidermal migration and differentiation of epidermal cells and by stimulating the expression of integrins in the epidermis.
NCBI Gene:
3084
Purity:
>97% by SDS-PAGE and analyzed by silver stain.
Target:
NRG1-beta 1

References

1. Karey, KP. et al. (1988) Cancer Research 48:4083.