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Peptide Identification Using Tandem Mass Spectrometry01:33

Peptide Identification Using Tandem Mass Spectrometry

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Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
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Development of a Backbone Cyclic Peptide Library as Potential Antiparasitic Therapeutics Using Microwave Irradiation
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Biomedical therapy using synthetic WKYMVm hexapeptide.

Young Hwan Choi1, Il Ho Jang2, Soon Chul Heo2

  • 1a School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University , Seoul , Republic of Korea.

Organogenesis
|April 15, 2016
PubMed
Summary

The synthetic peptide WKYMVm acts as a potent FPR2 agonist, demonstrating significant therapeutic potential in various models. This peptide promotes tissue repair and regeneration, offering promising applications in regenerative medicine.

Keywords:
WKYMVmangiogenesisanti-restenosisformyl peptide receptor-2neovascularizationre-endothelializationwound healing

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Area of Science:

  • Biomedical Science
  • Peptide Therapeutics
  • Regenerative Medicine

Background:

  • Formyl peptide receptor 2 (FPR2) is critical for inflammatory and angiogenic processes, including chemotaxis, migration, cell proliferation, wound healing, and vessel growth.
  • Synthetic peptides are increasingly explored for therapeutic applications due to their specificity and targeted action.

Purpose of the Study:

  • To investigate the therapeutic potential of WKYMVm, a novel synthetic hexapeptide identified as a strong FPR2 agonist.
  • To evaluate the efficacy of WKYMVm in promoting tissue repair and regeneration across various disease models.

Main Methods:

  • Library screening of synthetic peptides to identify FPR2 agonists.
  • Assessment of WKYMVm in preclinical models including cutaneous wound healing in diabetic mice, coronary artery stenosis, and hindlimb ischemia in mice.
  • Evaluation of WKYMVm delivery using poly (lactide-co-glycolide) microspheres.

Main Results:

  • WKYMVm significantly facilitated wound healing by promoting capillary and arteriole formation and re-epithelialization in diabetic mice.
  • WKYMVm coating on stents reduced restenosis rates by promoting re-endothelialization in a coronary artery stenosis model.
  • Intramuscular injection of WKYMVm enhanced endothelial colony-forming cell homing and neovascularization in a hindlimb ischemia model, salvaging the limb. Encapsulation in microspheres showed comparable efficacy to multiple injections.

Conclusions:

  • WKYMVm demonstrates broad therapeutic efficacy in promoting tissue repair and regeneration across diverse pathological conditions.
  • The FPR2 agonist WKYMVm holds significant promise for biomedical applications in tissue regeneration and therapeutic angiogenesis.
  • WKYMVm, particularly when delivered via sustained-release formulations, represents a promising candidate for regenerative medicine strategies.