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Your Position: Home > Protein > Laminin 221 > LA2-H5269

Human Laminin 221 Protein, premium grade

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  • Product Details
    Laminin-221 (LM221) takes multiple roles as a scaffold to store cells, growth factors and cytokines and is the most likely expressed cardiac laminin that maintains physiological activities of myocytes. Laminin 221-E8 consists of the C-terminal end of the alpha 2, beta 2, and gamma 1 chains. Previous study has confirmed that the laminin-221 heterotrimer (α2β2γ1) could bind integrin α7X1 and α7X2. Latest research indicated that the administration of LM221 enhanced accumulation of smooth muscle actin (SMA) and isolectin B4 (ILB4) double-positive cells to the damaged area and contributed to the improvement of cardiac function.
  • Key parameter
    Purity (SDS PAGE)> 90%
    Mycoplasma TestNegative
    Sterility TestNegative
    Endotoxin Test< 0.005 EU per μg
  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in 51 mM Tris,100 mM Glycine,25 mM Arginine,150 mM NaCl,pH7.5 with trehalose as protectant.

    Contact us for customized product form or formulation.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
Bioactivity-ELISA
 Laminin 221 ELISA

Immobilized Human ITGA7X2B&ITGB1 Heterodimer Protein, His Tag&Tag Free (Cat. No. IT1-H52W8) at 5 μg/mL (100 μL/well) can bind Human Laminin 221 Protein, premium grade (Cat. No. LA2-H5269) with a linear range of 0.2-20 ng/mL (QC tested).

 Laminin 221 ELISA

Immobilized Human Laminin 221 Protein, premium grade (Cat. No. LA2-H5269) at 5 μg/mL (100 μL/well) can bind Human ITGA7X2B&ITGB1 Heterodimer Protein, His Tag&Tag Free (Cat. No. IT1-H52W8) with a linear range of 0.02-0.313 μg/mL (Routinely tested).

Bioactivity-SPR
 Laminin 221 SPR

Human ITGA7X2B&ITGB1 Heterodimer Protein, His Tag&Tag Free (Cat. No. IT1-H52W8) immobilized on CM5 Chip can bind Human Laminin 221 Protein, premium grade (Cat. No. LA2-H5269) with an affinity constant of 49.8 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).

  • Clinical and Translational Updates

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Price(USD) : $120.00

Price(USD) : $650.00

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