Human Laminin 421 Protein, premium grade

Laminin 421, predominantly found in vascular and dynamic tissue niches, plays a critical role in guiding stem cell differentiation towards specific lineages, particularly endothelial and pancreatic cells. Its expression provides key signals that help establish the functional characteristics of these cell types. During the differentiation of pluripotent stem cells (iPSCs/ESCs) into endothelial cells​ (the building blocks of blood vessels), LN421 in the microenvironment promotes the proliferation and assembly of endothelial progenitors, directly supporting vascular tissue formation. Similarly, in the context of pancreatic differentiation, LN421 is a natural component of the pancreatic epithelium basement membrane. Its presence is crucial for the efficient generation of insulin-producing pancreatic beta cells from stem cells, as it interacts with specific integrin receptors to promote the survival and functional maturation of these precious cell types, holding significant promise for diabetes research and cell therapy.

HEK293

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

Contact us for customized product form or formulation.

Please see Certificate of Analysis for specific instructions.

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

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

Please avoid repeated freeze-thaw cycles.

• -20°C to -70°C for 24 months in lyophilized state;
• -70°C for 12 months under sterile conditions after reconstitution.