In the specialized field of vascular biology, the study of adhesion molecules has opened new avenues for understanding cellular interactions. Among these, the mouse CD31 peptide has emerged as a focal point for researchers investigating the complex mechanisms of endothelial function. As someone who has followed the progression of biochemical tools, I have observed how these synthetic derivatives provide unique insights into the behavior of the vascular wall.
Understanding the Entity: What is CD31?
CD31, also formally known as Platelet endothelial cell adhesion molecule (PECAM-1), is a heavily glycosylated transmembrane homophilic adhesion protein. It is a 130-140 kD glycoprotein that serves as a critical com CD31 as a marker for endothelial cells ponent in maintaining vascular integrity. Within the scie FITC anti-mouse CD31 Antibody anti-CD31 - MEC13.3 ntific community, CD31 is recognized as a central player in leukocyte transendothelial migration and acts as a mechanosensor of endothelial cell response to fluid shear stress.
Because it is expressed constitutively on the surface of embryonic and adult endothelial cells, it provides a stable target for researchers. Whether using B-hCD31 mice humanized for PECAM1 (CD31) or standard experimental models, the ability to modulate this protein through specific ligands remains a high-interest area.
The Role of Synthetic Peptides in Research
The development of CD31 peptides has allowed for targeted interventions that were previously difficult to achieve with monoclonal antibodies alone. For instance, the CD31 agonist peptide (P8RI) has shown promise in experimental settings. In a mouse model of dissecting aortic aneurysm, this peptide has been utilized to enhance reparative macrophage function.
Furthermore, the therapeutic potential spans beyond simple signaling. Research indicates that a specific CD31-derived peptide prevents angiotensin II-induced atherosclerosis progression and aneurysm formation. This is a significant finding, as it suggests that these molecules can influence the inflammatory cell processes underlying the progression of cardiovascular conditions.
Technical Applications and E-E-A-T Considerations
When working with these biological tools, precision is paramount. Whether you are using a CD31 (PECAM-1) antibody that detects endogenous levels of total CD31 protein or evaluating a bioconjugate for molecular imaging, the quality of the reagent determines the reliability of the data.
Many researchers rely on anti-mouse CD31 antibodies—often available in various formats like FITC or PE—which have been developed for the positive selection or depletion of CD31+ endothelial cells from complex tissue suspensions. These tools are essent Monoclonal Mouse anti‑Sheep PECAM‑1 / CD31 Antibody ial for those who need to isolate specific cell populations to measure CD31 levels or activity in vitro.
Key technical specifications often noted CD31 (PECAM-1) (89C2) Mouse Monoclonal Antibody in literature include:
* Molecular Weight: Approximately 130-140 kD.
* Classification: Memb CD31 as a marker for endothelial cells er of the immunoglobulin supergene family.
* Species Cross-reactivity: High-quali CD31 signals confer immune privilege to the vascular - PMC ty antibodies can be used in a variety of model species, including human, rat, and mouse, ensuring versatility in comparative studies.
Practical Insights for Laboratory Consis It isa mechanosensor of endothelial cell response to fluid shear stressand it is involved in the regulation of leukocyte migration through venular walls.Read more tency
From my experience observing laboratory protocols, the application of these peptides requires strict adher Recognizes ovineCD31, also known as PECAM-1. OvineCD31is predominantly expressed by peripheral blood platelets and a small percentage of lymphocytes.Read more ence to experimental design. For example, when performing immunocytochemistry or Western Blotting, the chosen antibody has been shown to work in various applications, provided the buffer conditions are optimized.
The AM (Ante Meridiem) scheduling of tissue harvesting is often critical to ensure that the CD31 markers remain stable before analysis. Researchers often emphasize that because CD31 is a 130-140 kD glycoprotein, the denaturation process in electrophoresis must be carefully monitored to ensure accurate molecular weight representation.
Conclusion
The study of PECAM and its associated peptides represents a sophisticated frontier in cell biology. By leveraging the specific binding properties of these molecules, scientists can better understand the delicate balance of the vascular environment. Whether the goal is to map inflammatory processes or to investigate the mechanical properties of the endothelium, the mouse CD31 peptide remains an indispensable asset for modern research, consistently providing the depth of data required to push the boundaries of vascular science.