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Acts as a ligand for the urokinase plasminogen activator surface receptor. Plays a role in angiogenesis by inducing endothelial cell migration and the formation of vascular network (cords). Involved in cellular migration and adhesion. Increases the phosphorylation levels of FAK. Interacts with and increases the mitogenic activity of HGF. Promotes synapse formation. May have a role in the perisylvian region, critical for language and cognitive development.
Gene References into Functions
SRPX2 potentially acts as an independent prognostic predictor and a drug-target for hepatocellular carcinoma patients. PMID: 28654796
Increased Sushi repeat-containing protein X-linked 2 is associated with progression of colorectal cancer. PMID: 25737434
In rolandic epilepsy patients no major role was found for an association with SRPX2 or ELP4 genes. PMID: 24995671
High SRPX2 expression is associated with gastric cancer. PMID: 24700475
SRPX2 is an epilepsy- and language-associated gene that is a target of the foxhead box protein P2 (FoxP2) transcription factor. PMID: 24179158
The SRPX2 protein contains the P-DUDES structural domain in its C-terminal region. This domain has significant albeit remote sequence similarity to thioredoxin-like domains, and is predicted to possess an oxidoreductase function. PMID: 209648
Hypomethylation of SRPX2 appeared at the transition from adenoma to carcinoma, and was correlated with adenocarcinoma histology, microsatellite stability, and poor differentiation. PMID: 23115050
SRPX2 is a novel chondroitin sulfate proteoglycan that is overexpressed in gastrointestinal cancer cells. PMID: 22242148
The FOXP2-SRPX2/uPAR network provides exciting insights into molecular pathways underlying speech-related disorders. PMID: 20858596
acts as regulator of ICAM1 and E-selectin during endotoxemia PMID: 20236627
These findings suggest that Srpx2 regulates endothelial cell migration and tube formation and provides a new target for modulating angiogenesis. PMID: 19667118
The involvement of SRPX2 in these disorders suggests an important role for SRPX2 in the perisylvian region critical for language and cognitive development. PMID: 16497722
The R75K human-specific variation occurred in an important functional loop of the first sushi domain of SRPX2, indicating that this evolutionary mutation may have functional importance PMID: 17942002
Interaction of SRPX2 with uPAR involved in the functioning, the development and disorders of the speech cortex. PMID: 18718938
the biological functions of SRPX2 include cellular migration and adhesion to cancer cells. PMID: 19065654
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Involvement in disease
Rolandic epilepsy with speech dyspraxia and mental retardation X-linked (RESDX)
Expressed in neurons of the rolandic area of the brain (at protein level). Highly expressed in the brain, placenta, lung, trachea, uterus, adrenal gland, heart, ovary and placenta. Weakly expressed in the peripheral blood, brain and bone marrow. Expressed