Description
Key facts
Purity:>95% HPLC,
Endotoxin level:<0.005 EU/µg,
Expression system:HEK 293 cells,
Tags:Tag free,
Applications:Mass Spec, SDS-PAGE, HPLCSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Biologically active:Yes,
Biological activity:Fully biologically active determined by the dose dependent proliferation of Balb/c 3T3 cells. ED50 is ≤ 0.49 ng/ml, corresponding to a specific activity of 2.04 x 106 units/mg.,
Accession:P31240,
Animal free:Yes,
Carrier free:No,
Species:Mouse,
Reconstitution:Reconstitute in PBS,
Storage buffer:pH: 7.4Constituents: 10.26% Trehalose, 0.727% Dibasic monohydrogen potassium phosphate, 0.248% Potassium phosphate monobasic
Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-Ambient, Appropriate long-term storage conditions-Ambient
Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
PDGF-B also known as platelet-derived growth factor subunit B or PDGF-BB is a critical protein involved in various cellular processes. Composed of 241 amino acids PDGF-B exhibits a molecular mass of approximately 27 kDa. Scientists recognize this protein for its expression primarily in platelets but it also appears in a range of other tissues including smooth muscle cells and fibroblasts. The PDGF-B protein plays a substantial role in the regulation of growth and division inducing pathways important for cellular proliferation.
Biological function summary
PDGF-B influences cellular signaling processes and facilitates interactions that are a part of the PDGF receptor system. PDGF-B can form a homo-dimerization commonly known as the PDGF-BB dimer which is an active form. When PDGF-B binds to its receptor specifically the PDGF receptor β (PDGFR-β) it triggers pathways that control various cellular activities including growth and survival. The interaction of PDGF-B with the receptor is an important step that modulates several downstream signaling pathways.
Pathways
PDGF-B activates significant pathways such as the MAPK/ERK and PI3K/AKT pathways. These pathways play a major role in the regulation of cell proliferation and differentiation. Through these pathways PDGF-B exhibits interactions with proteins like Ras and Akt which are integral in transmitting signals within the cell. These cascades result in the promotion of processes such as angiogenesis and wound healing highlighting the importance of PDGF-B in cellular function.
Researchers have linked PDGF-B to pathologies such as cancer and atherosclerosis. For instance overexpression of PDGF-B can lead to abnormal vascular growth contributing to tumor development in cancers. It also plays a role in the progression of atherosclerosis by promoting the migration and proliferation of smooth muscle cells leading to plaque formation. In these contexts PDGF-B shows interaction with other proteins such as VEGF in tumor angiogenesis and LDL in atherosclerotic developments reinforcing its involvement in these conditions.
