Research Library
Scientific literature, protocols, and technical resources for peptide research
📚 Research Literature by Peptide Classification
GLP-1/GIP Receptor Agonists
Research compounds targeting incretin hormone pathways for metabolic studies
Tirzepatide for Type 2 Diabetes Mellitus
2021New England Journal of Medicine
SURPASS clinical trial program demonstrating efficacy and safety of tirzepatide as a dual GIP/GLP-1 receptor agonist in metabolic research applications.
DOI: 10.1056/NEJMoa2107519
Efficacy and safety of tirzepatide once weekly for the treatment of obesity
2022New England Journal of Medicine
Phase 3 randomized controlled trial examining weight reduction effects and metabolic parameters of tirzepatide in obesity research models.
DOI: 10.1056/NEJMoa2206038
A phase 2 randomized trial of the triple agonist retatrutide for obesity
2023New England Journal of Medicine
Clinical investigation of triple GLP-1/GIP/glucagon receptor agonist demonstrating novel mechanisms in metabolic regulation studies.
DOI: 10.1056/NEJMoa2301972
Growth Hormone Related Peptides
Compounds affecting growth hormone pathways and related metabolic processes
Prolonged stimulation of growth hormone (GH) and insulin-like growth factor I secretion by CJC-1295
2006Journal of Clinical Endocrinology & Metabolism
Investigation of CJC-1295, a long-acting GHRH analog, demonstrating sustained GH and IGF-I elevation in healthy adult subjects over extended periods.
DOI: 10.1210/jc.2005-1536
Metabolic Effects of a Growth Hormone-Releasing Factor in Obese Subjects
2012Journal of Clinical Endocrinology & Metabolism
Randomized controlled trial examining effects of tesamorelin on body composition and cardiovascular risk markers in metabolic research applications.
DOI: 10.1210/jc.2012-2794
Increase of fat oxidation and weight loss in obese mice caused by chronic treatment with human growth hormone or a modified C-terminal fragment
2001International Journal of Obesity
Preclinical study examining metabolic effects of AOD9604, a C-terminal fragment of hGH, demonstrating fat oxidation properties without diabetogenic effects.
DOI: 10.1038/sj.ijo.0801740
Tissue Regeneration Peptides
Research compounds studied for cellular repair and regenerative mechanisms
BPC-157: Mechanisms of Tissue Repair and Regeneration
2024Biomedicines
Comprehensive analysis of BPC-157's role in cellular repair mechanisms, angiogenesis, and tissue regeneration pathways in laboratory research models.
DOI: 10.3390/biomedicines12010248
Thymosin β4: a multi-functional regenerative peptide
2012Annual Review of Pharmacology and Toxicology
Review of thymosin β4 mechanisms in tissue repair, wound healing, and regenerative processes in experimental research applications.
DOI: 10.1146/annurev-pharmtox-010611-134639
Neuropeptides
Peptides affecting neural pathways and neurotransmitter systems in research models
A nootropic adrenocorticotropin analog 4-10-semax (15 years experience in its design and study)
1997Zh Vyssh Nerv Deiat Im I P Pavlova
Comprehensive review of 15 years of Semax research examining cognitive enhancement and neuroprotective mechanisms in laboratory studies.
PMID: 9173745
Selank Administration Affects the Expression of Some Genes Involved in GABAergic Neurotransmission
2016Frontiers in Pharmacology
Gene expression analysis demonstrating Selank's effects on GABAergic neurotransmission pathways in rat frontal cortex research models.
DOI: 10.3389/fphar.2016.00031
Mitochondrial Peptides
Research compounds targeting mitochondrial function and cellular metabolism
Mitochondrial-derived peptide MOTS-c promotes metabolic homeostasis and reduces obesity and insulin resistance
2015Cell Metabolism
Foundational research demonstrating MOTS-c's role in mitochondrial regulation and metabolic homeostasis in laboratory research applications.
DOI: 10.1016/j.cmet.2015.02.009
Melanocortin Receptor Modulators
Compounds affecting melanocortin receptor pathways in research applications
Melanocortin receptor agonists and sexual behavior
2011European Journal of Pharmacology
Investigation of melanocortin receptor mechanisms and behavioral effects in laboratory research models studying neural pathway modulation.
DOI: 10.1016/j.ejphar.2011.04.041
🔬 Laboratory Protocols
Peptide Reconstitution Protocol
- 1.Allow peptide vial to reach room temperature
- 2.Use sterile bacteriostatic water for reconstitution
- 3.Add water slowly along the vial wall
- 4.Gently swirl - do not shake vigorously
- 5.Store reconstituted peptide at 2-8°C
Storage Guidelines
- 1.Lyophilized peptides: -20°C or below
- 2.Reconstituted peptides: 2-8°C
- 3.Protect from light exposure
- 4.Avoid repeated freeze-thaw cycles
- 5.Use within recommended timeframe
Safety Procedures
- 1.Wear appropriate PPE (gloves, lab coat, safety glasses)
- 2.Work in properly ventilated area
- 3.Use calibrated precision scales
- 4.Maintain detailed experimental records
- 5.Follow institutional biosafety guidelines
📊 Quality Assurance
Testing Standards
- ✓HPLC purity analysis (≥99%)
- ✓Mass spectrometry verification
- ✓Endotoxin testing (<1 EU/mg)
- ✓Sterility assurance
- ✓Certificate of Analysis with every batch
Documentation
- 📄Batch-specific COA
- 📄Safety Data Sheets (SDS)
- 📄Storage guidelines
- 📄Handling procedures
- 📄Research references
⚠️ Important Research Notice
All research compounds provided by NexPep are intended solely for laboratory research purposes. These products are not for human consumption, veterinary use, or any diagnostic/therapeutic applications. Researchers must comply with all applicable laws and institutional guidelines when handling these materials.