Semax – ACTH-Derived Heptapeptide for Research
Semax is an advanced synthetic heptapeptide developed for professional laboratory research involving neuropeptide signalling, neurotrophin-associated pathways, gene expression and peptide structure–activity relationships.
Its clearly defined seven-amino-acid sequence combines the ACTH(4–7) fragment Met–Glu–His–Phe with the C-terminal tripeptide Pro–Gly–Pro.
The complete amino-acid sequence of Semax is:
Met–Glu–His–Phe–Pro–Gly–Pro
Also written as:
MEHFPGP
This compact molecular structure makes Semax particularly relevant for analytical, biochemical and cellular research involving ACTH-derived peptides, neural signalling pathways and regulatory peptide biology.
Key Product Features
- Synthetic seven-amino-acid research peptide
- Clearly defined MEHFPGP sequence
- Based on the ACTH(4–7) peptide fragment
- Contains a C-terminal Pro–Gly–Pro sequence
- Relevant for neuropeptide-signalling research
- Suitable for neurotrophin-associated pathway studies
- Useful for gene-expression and cellular-response models
- Relevant for peptide-stability research
- Supplied as a lyophilised research material
- Clear batch-specific product information
- Secure and discreet packaging
- Fast and trackable European delivery
What Is Semax?
Semax is a synthetic peptide constructed from the amino-acid sequence of ACTH residues 4–7 combined with the tripeptide Pro–Gly–Pro.
The ACTH-derived section contains:
Met–Glu–His–Phe
The C-terminal stabilising section contains:
Pro–Gly–Pro
Together, these sequences form the complete Semax heptapeptide MEHFPGP.
The addition of the Pro–Gly–Pro sequence is of particular research interest because proline-rich peptide fragments can influence molecular conformation, enzymatic degradation and peptide stability.
ACTH-Derived Peptide Research
Adrenocorticotropic hormone, commonly abbreviated as ACTH, is a larger peptide hormone containing several biologically active sequence regions.
Semax contains only a selected ACTH-derived fragment and does not reproduce the complete structure of full-length ACTH.
This makes Semax relevant for laboratory studies involving:
- ACTH-derived peptide fragments
- Regulatory peptide biology
- Short-peptide signalling
- Minimal active peptide sequences
- Peptide-fragment comparison
- Structure–activity relationships
- Modified peptide stability
- Enzymatic degradation
- Comparative melanocortin research
- Cellular-response pathways
Researchers may compare Semax with ACTH(4–7), ACTH(4–10), Pro–Gly–Pro or other related peptide fragments.
Neurotrophin-Associated Research
Neurotrophins are signalling proteins involved in neural cell communication, cellular adaptation and synaptic biology.
Experimental Semax research has examined pathways associated with:
- Brain-derived neurotrophic factor
- BDNF-related gene expression
- Nerve growth factor
- NGF-related gene expression
- TrkB-associated signalling
- Neural-cell communication
- Synaptic-plasticity models
- Cellular adaptation
- Time-dependent transcriptional responses
- Comparative neuropeptide signalling
These areas represent experimental research pathways and do not establish therapeutic effects for a non-pharmaceutical research material.
BDNF and TrkB Pathway Research
BDNF is a neurotrophin that communicates through receptors including tropomyosin receptor kinase B, commonly known as TrkB.
Semax has been studied in cellular and animal models examining changes in BDNF- and TrkB-associated expression.
Potential laboratory applications include:
- BDNF gene-expression analysis
- TrkB receptor-expression studies
- Neurotrophin signalling
- Neural-cell response models
- Synaptic-associated pathways
- Time-dependent peptide responses
- Protein-expression analysis
- Comparative peptide screening
- Cellular stress models
- Molecular pathway mapping
Research results may differ according to the tissue, cell type, exposure period and analytical method used.
Gene-Expression Research
Semax is particularly relevant for laboratories investigating how short regulatory peptides may influence cellular transcription.
Potential research areas include:
- Neurotransmission-related gene expression
- Neurotrophin-associated genes
- Cytokine-related pathways
- Cellular stress responses
- Immune-associated gene expression
- Ribosomal protein genes
- Vascular-associated signalling
- Transcriptional regulation
- Comparative transcriptomics
- Time-dependent molecular responses
Transcriptomic studies may be used to compare Semax with its individual ACTH-derived and Pro–Gly–Pro components.
Neurotransmission Research
Neural communication depends on coordinated receptor activity, neurotransmitter systems, intracellular signalling and gene expression.
Semax may be studied in laboratory models involving:
- Neurotransmitter-associated pathways
- Dopamine-related signalling
- Serotonin-related signalling
- Receptor-expression analysis
- Synaptic communication
- Neural-cell activity
- Intracellular signal transduction
- Neural adaptation
- Comparative neuropeptide research
- Molecular-response profiling
The precise mechanism of Semax remains an active area of research and should not be reduced to one single receptor or neurotransmitter system.
Cellular Stress Research
Cells respond to metabolic, oxidative and environmental stress through coordinated changes in signalling and gene expression.
Semax has been examined in experimental models involving:
- Cellular stress responses
- Oxidative-balance pathways
- Hypoxia-related cellular models
- Ischaemia-associated research models
- Protein-expression changes
- Stress-responsive transcription
- Neural-cell adaptation
- Vascular-associated gene expression
- Immune–neural communication
- Comparative cellular-response analysis
Findings obtained from experimental cell and animal models should not automatically be interpreted as established effects in humans.
Pro–Gly–Pro Research
The C-terminal Pro–Gly–Pro sequence is an important structural characteristic of Semax.
Pro–Gly–Pro and related glyproline peptides are studied in connection with:
- Peptide stability
- Proteolytic resistance
- Peptide metabolism
- Molecular conformation
- Enzymatic degradation
- Fragment formation
- Cellular uptake
- Regulatory peptide biology
- Peptide–protein interactions
- Comparative glyproline research
Researchers may study complete Semax alongside Pro–Gly–Pro and shorter metabolites to determine which molecular responses are associated with the full peptide.
Peptide Degradation Research
Semax can undergo stepwise enzymatic degradation beginning at its N-terminus.
This makes it relevant for research involving:
- Aminopeptidase activity
- N-terminal peptide degradation
- Metabolite formation
- Peptide stability
- Enzyme–substrate interactions
- Time-dependent degradation
- Fragment identification
- Biological-fluid stability
- Analytical metabolite profiling
- Comparative peptide metabolism
High-performance liquid chromatography and mass spectrometry may be used to examine the parent peptide and its degradation products.
Potential Research Applications
Semax may be suitable for controlled scientific research involving:
- ACTH-derived peptide biology
- Neurotrophin-associated signalling
- BDNF and TrkB pathways
- NGF-related gene expression
- Neural-cell communication
- Neurotransmission-associated pathways
- Cellular stress responses
- Transcriptomic analysis
- Regulatory peptide biology
- Pro–Gly–Pro research
- Peptide stability
- Enzymatic degradation
- Structure–activity relationships
- Peptide-fragment analysis
- Analytical peptide characterisation
- Chromatographic analysis
- Mass-spectrometry analysis
- Comparative neuropeptide research
The exact concentrations, controls and analytical procedures should be selected and validated by the qualified laboratory conducting the research.
Analytical Research
Semax may be suitable for professional analytical applications involving:
- High-performance liquid chromatography
- Liquid chromatography–mass spectrometry
- Peptide identity confirmation
- Amino-acid-sequence verification
- Purity assessment
- Molecular-weight analysis
- Stability testing
- Degradation profiling
- Metabolite identification
- Solubility assessment
- Reference-material comparison
- Analytical method development
Analytical methods should be specifically validated for the MEHFPGP sequence and the experimental conditions being used.
Product Specifications
| Product characteristic |
Information |
| Product name |
Semax |
| Amino-acid sequence |
Met–Glu–His–Phe–Pro–Gly–Pro |
| Sequence abbreviation |
MEHFPGP |
| Alternative identification |
ACTH(4–7)-Pro–Gly–Pro |
| Product category |
Synthetic research peptide |
| Peptide type |
ACTH-derived heptapeptide |
| Peptide length |
Seven amino acids |
| Molecular formula |
C37H51N9O10S |
| Approximate molecular weight |
813.9 g/mol |
| Primary research areas |
Neuropeptide signalling and gene-expression research |
| Form |
Lyophilised research material |
| Presentation |
Securely sealed research vial |
| Documentation |
Batch-specific analytical information |
| Packaging |
Secure and discreet packaging |
| Intended application |
Scientific, analytical and laboratory research |
Lyophilised Research Format
Semax is supplied as a lyophilised research material in a securely sealed vial.
Lyophilisation removes moisture and helps support peptide stability during controlled storage and transportation. Minor variations in physical appearance may occur because of product quantity, production conditions and residual moisture.
Physical appearance alone should not be used to establish product identity, purity or analytical quality. Researchers should review the documentation associated with the applicable batch.
Quality and Product Transparency
Peptides Divas focuses on clear specifications, professional handling and batch-level traceability.
Available analytical information may include:
- Product identification
- Confirmed MEHFPGP sequence
- Batch or lot number
- Reported purity
- HPLC analysis
- Mass-spectrometry data
- Molecular-weight information
- Testing information
- Product appearance
- Storage recommendations
This provides researchers with clear and traceable information for the applicable product batch.
Storage Information
Store Semax in its original sealed packaging according to the conditions displayed on the product label and applicable batch documentation.
Protect the research material from:
- Direct sunlight
- Excessive heat
- Moisture
- Contamination
- Damaged packaging
- Repeated temperature fluctuations
- Unnecessary exposure to air
The receiving laboratory is responsible for establishing and validating appropriate preparation, handling and storage procedures for its specific research protocol.
Why Choose Semax?
Semax provides a compact and clearly defined peptide structure for advanced neuropeptide, cellular and analytical research.
Key research advantages include:
- Precisely defined MEHFPGP sequence
- Clear ACTH(4–7)-derived structure
- Relevant for neurotrophin-associated research
- Suitable for gene-expression studies
- Useful for cellular stress-response models
- Valuable for peptide-degradation analysis
- Suitable for structure–activity research
- Convenient lyophilised presentation
- Clear batch-specific product information
Why Order from Peptides Divas?
Peptides Divas combines carefully selected research materials with fast, dependable and professional service.
Customers benefit from:
- Clearly displayed product specifications
- Batch-specific analytical information
- Fast order processing
- Secure and discreet packaging
- Trackable shipping options
- Careful vial protection
- Responsive customer support
- Reliable European delivery
Choose Semax from Peptides Divas for advanced laboratory research involving neuropeptide signalling, neurotrophin-associated pathways, gene expression and regulatory peptide biology.
For laboratory research use only. Not intended for human or veterinary use.