renal-natriuretic-peptide The dominant search intent for "pr1p peptide" is to understand what this specific peptide is, its function, and its potential applications, particularly in biological and therapeutic contexts. The search results consistently highlight its role in stabilizing and upregulating Vascular Endothelial Growth Factor (VEGF)作者：ZL Chi·2013—Conclusions:PR1P has neuroprotective activity in the optic nerve crush model. Further development of PR1P as a neuroprotective therapeutic agent is ongoing..
Tier 1:
* Core Entity: PR1P peptide
* Key Function: Stabilizes VEGF, upregulates VEGF signaling, enhances angiogenesis, promotes repair.
* Origin/Type: Prominin-1-derived peptide, 12-amino acid peptide.
* Primary Application Areas: Injury reduction, fracture repair, lung protection (emphysema), cardiac function improvement, neuroprotection (axonal regeneration, RGC survival)Emphysema: Small engineered peptide PR1P reduce ... - Debug.
Tier 2:
* Related Molecules/Processes: VEGF (Vascular Endothelial Growth Factor), endothelial cells, proteases, inflammation, apoptosis, axonal regeneration, myocardial infarction.
* Derivative/Modified Peptides: KIT-PR1P, EBP-PR1P, CBD-PR1PPeptide-Modified Nano-Bioactive Glass for Targeted ....
* Specific Benefits: Reduces injury, promotes capillary growth, enhances fracture repair, protects lungs, improves cardiac function, neuroprotective activity.
* Mechanism: Binds to VEGF, prevents degradation, increases binding to receptors/endothelial cells.Emphysema: Small engineered peptide PR1P reduce ... - Debug
Tier 3:
* Specific year mentions in titles (e.g., 2023, 2024) unless directly relevant to a major discovery.A shortpeptide(PR1P) derived from the extracellular VEGF-binding glycoprotein-Prominin-1 was reported to specifically bind to VEGF. In order to realize ...
* Highly specific experimental details that don't contribute to a general understanding.A shortpeptide(PR1P) derived from the extracellular VEGF-binding glycoprotein-Prominin-1 was reported to specifically bind to VEGF. In order to realize ...
* Generic terms like "peptide" without context to PR1P.
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The PR1P peptide is a small, 12-amino acid molecule derived from prominin-1, which plays a significant role in stabilizing and upregulating Vascular Endothelial Growth Factor (VEGF). This peptide's ability to interact with VEGF and prevent its degradation by inflammatory proteases has positioned it as a promising therapeutic agent for a range of conditions involving tissue damage and the need for enhanced angiogenesis. PR1P works by binding to VEGF, thereby increasing its availability and activity, which in turn promotes cell signaling and facilitates repair processes.
At its core, the function of the PR1P peptide revolves around its interaction with VEGF.Peptide-Modified Nano-Bioactive Glass for Targeted ... VEGF is a critical signaling protein involved in vasculogenesis and angiogenesis – the formation of new blood vessels. However, endogenous VEGF can be unstable and susceptible to degradation by proteases present during inflammatory responses or injury.Emphysema Preclinical Study Shows PR1P Reduces Lung ... PR1P acts by binding to a specific site on VEGF, shielding it from these degrading enzymes and stabilizing its active form作者：A Adini·2020·被引用次数：22—Remarkably, inhaledPR1Pled to significantly increased VEGF levels in murine lungs within 30 minutes that remained greater than two-fold above .... This stabilization leads to increased VEGF binding to its receptors on endothelial cells, effectively upregulating VEGF signaling pathways. This enhanced signaling is crucial for promoting cell proliferation, migration, and ultimately, the formation of new blood vessels and the repair of damaged tissues.2024年4月5日—...PR1P(Prominin-1-derivedpeptide), a novel shortpeptidewe designed that increases VEGF binding to endothelial cells, could be used to ...
The mechanism of PR1P suggests broad applicability in conditions where tissue repair and blood supply are compromised. Research has explored its potential in several key areas:
* Fracture Repair: Studies indicate that PR1P can enhance fracture healing by promoting the necessary vascularization and cellular activity for bone regenerationPR1P targets, stabilizes and upregulates endogenous .... Its ability to stabilize VEGF is thought to accelerate the formation of new bone tissue.
* Lung Injury and Emphysema: PR1P has demonstrated efficacy in reducing injury and inflammation in models of acute lung injury and emphysema. By maintaining VEGF levels and protecting lung tissue from apoptosis, it offers a potential strategy for managing chronic lung diseases.
* Cardiac Function: Following myocardial infarction (heart attack), the damage to cardiac tissue is often exacerbated by poor blood supply.Bi-functional KIT-PR1P peptides combine with VEGF to ... PR1P has shown promise in improving cardiac function by enhancing angiogenesis in the damaged heart muscle, thereby restoring blood flow and reducing cell death.
* Neuroprotection and Regeneration: PR1P's influence extends to the nervous system. It has been shown to significantly increase axonal regeneration and prevent the death of retinal ganglion cells (RGCs) in models of optic nerve injury. This neuroprotective activity suggests a role in treating neurodegenerative conditions or nerve damage.
To further enhance its therapeutic potential and target specific tissues or delivery methods, researchers have developed modified versions of the PR1P peptide.2020年8月4日—Using molecular biology and genetic engineering approaches, he and his colleagues fashionedPR1P, a small peptidecomprised of the same 12 amino ... These include:
* KIT-PR1P: This bi-functional peptide combines PR1P with a KIT component, exhibiting improved angiogenic capacity and targeting ability, particularly in studies involving specific cell types.PR1P, a novel Prominin-1 derived peptide, enhances ... - IOVS
* EBP-PR1P: Designed for targeted delivery, EBP-PR1P peptides have been used to bridge VEGF to injectable cardiac extracellular matrix (c-ECM). This approach allows for sustained release of VEGF without compromising its bioactivity, aiming for more effective cardiac repair.
* CBD-PR1P: This variant targets VEGF to delivery scaffolds like collagen hydrogels, which can help limit VEGF diffusion and promote localized therapeutic effects, potentially beneficial in conditions like cerebral ischemia.
These modified peptides underscore the versatility of the PR1P scaffold and the ongoing efforts to optimize its delivery and efficacy for various clinical applications.
The PR1P peptide represents a significant advancement in the field of regenerative medicine, particularly for its role in modulating VEGF activity.Insulin-like growth factor 1 (IGF-1): a growth hormone - PMC - NIH Its ability to stabilize VEGF, prevent its degradation, and enhance angiogenesis offers a promising therapeutic avenue for a wide array of conditions characterized by tissue damage and impaired vascularization. While current research is largely preclinical, the consistent findings across different models of injury and disease suggest a strong potential for PR1P and its derivatives to translate into effective clinical treatments for conditions ranging from bone fractures and lung diseases to heart attack recovery and neurological repair. Further research will likely focus on optimizing delivery methods, assessing long-term safety, and conducting clinical trials to fully realize the therapeutic promise of this novel peptide.Specific bio-functional CBD-PR1P peptide binding VEGF to ...
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