Semax Peptide 10mg – Protide Health USA

Semax Peptide Overview & Technical Specifications

Semax peptide is a synthetic heptapeptide composed of the sequence:

Met-Glu-His-Phe-Pro-Gly-Pro

or:

MEHFPGP

Its structure contains the Met-Glu-His-Phe sequence associated with the ACTH(4-7) region followed by the Pro-Gly-Pro tripeptide extension.

The supplied Semax PubChem chemical record identifies the compound as PubChem CID 9811102, CAS number 80714-61-0, with molecular formula C37H51N9O10S and molecular weight approximately 813.9 g/mol.

This semax peptide is supplied by Protide Health as 10mg of 99% purity lyophilized material for controlled biochemical, molecular, cellular, analytical, and preclinical investigation.

Technical Specifications

• Product Name: Semax
• Quantity: 10mg
• Form: Lyophilized powder
• Vial Size: 3mL
• Purity: 99%
• Testing: HPLC-MS verified; third-party tested
• Peptide Length: 7 amino acids
• Sequence: Met-Glu-His-Phe-Pro-Gly-Pro
• Abbreviated Sequence: MEHFPGP
• CAS Number: 80714-61-0
• PubChem CID: 9811102
• Molecular Formula: C37H51N9O10S
• Molecular Weight: 813.92 g/mol
• Appearance: White to off-white lyophilized powder
• Solubility: Soluble in water
• Storage: Store sealed at ≤6°C and protected from heat, light, and moisture
• Research Use: Laboratory analysis, biochemical research, in-vitro investigation, and preclinical experimentation only

Semax Mechanism & Research Context

Research involving semax peptide has examined multiple molecular systems rather than identifying one universally established mechanism.

One of the better-characterized areas involves brain-derived neurotrophic factor (BDNF) and its receptor TrkB. In rat hippocampal experiments, investigators reported changes in BDNF protein, BDNF transcription, TrkB expression, and TrkB phosphorylation following experimental Semax exposure.

Other studies have investigated NGF, immune-response genes, inflammatory mediators, neurotransmission-associated pathways, and broad transcriptional changes.

Researchers can review broader Semax research indexed by PubMed for peer-reviewed literature on these experimental pathways.

These findings originate predominantly from cellular and animal research models and should not be interpreted as demonstrating equivalent biological outcomes in humans.

Preclinical Research Applications

Neurotrophin Signaling Research

A substantial portion of semax peptide research concerns neurotrophin-associated signaling.

Experimental rat studies have reported changes involving:

• BDNF expression
• TrkB expression
• TrkB phosphorylation
• NGF transcription
• Neurotrophin-associated signaling pathways

These observations have contributed to interest in Semax as a model compound for investigating how short synthetic peptides may affect transcriptional and molecular signaling systems.

Gene-Expression Research

Transcriptomic and PCR-based research has examined changes in large groups of genes following experimental Semax exposure.

Studies using rat models have reported altered transcription involving inflammatory-response genes, vascular-associated pathways, neurotransmission-related systems, and other molecular networks.

This suggests that the biological research surrounding semax peptide may involve multiple interconnected signaling pathways rather than a single isolated molecular target.

Inflammatory-Signaling Research

Preclinical experiments involving transient cerebral ischemia models have investigated inflammatory gene expression following Semax exposure.

Researchers reported modulation of mRNA transcripts associated with pro-inflammatory mediators under specific experimental conditions.

These findings are relevant to molecular and transcriptional research but should not be converted into claims that this research material prevents or treats inflammatory or neurological conditions.

Neurochemical Research

Animal studies have also evaluated monoamine-associated systems, including experimental measurements involving dopamine, serotonin, and related metabolites.

Such work provides additional context for laboratory investigation of regulatory peptide signaling.

The experimental endpoints should not be interpreted as evidence that the product produces cognitive, psychiatric, behavioral, or neurological effects in humans.

What Is Semax?

Researchers searching what is Semax are generally referring to the synthetic seven-amino-acid peptide Met-Glu-His-Phe-Pro-Gly-Pro.

The molecule combines an ACTH-derived tetrapeptide sequence with a C-terminal Pro-Gly-Pro extension and is structurally distinct from full-length ACTH.

The semax peptide used in research should also be distinguished from modified derivatives such as N-acetylated or C-amidated analogues, because terminal modifications change molecular structure and can alter experimental chemistry.

Semax Peptide Benefits: What Research Actually Shows

Search interest in semax peptide benefits often produces broad commercial claims that extend beyond the available evidence.

More appropriately, published research describes experimental observations involving:

• Neurotrophin expression
• BDNF and TrkB signaling
• NGF-associated transcription
• Gene-expression changes
• Inflammatory-response genes
• Monoaminergic systems
• Molecular signaling following experimental injury models

These are laboratory and preclinical research endpoints rather than established benefits of the Protide Health product.

The semax peptide should therefore be discussed in terms of measurable experimental mechanisms instead of therapeutic, cognitive-enhancement, or medical claims.

Selank vs Semax in Laboratory Research

The phrase selank vs semax refers to two structurally different regulatory peptides.

Semax has the sequence:

MEHFPGP

Selank is based on:

TKPRPGP

Although both are short synthetic peptides and share a Pro-Gly-Pro-related structural region, their N-terminal sequences differ and the scientific literature examines different molecular pathways.

Research involving selank and semax should therefore treat them as distinct compounds rather than interchangeable peptide names.

Likewise, searches for semax vs selank are best interpreted through differences in sequence, molecular structure, and experimentally studied signaling pathways—not through unsupported claims that one peptide is superior.

Semax Side Effects and Research Limitations

The keyword semax side effects is commonly associated with human-use searches, but this Protide Health product is not sold for human administration.

For a laboratory research product, the scientifically relevant question is instead what limitations apply to experimental findings.

Important limitations include:

• Much of the published mechanistic evidence comes from rodents.
• Cell and animal research cannot establish equivalent human effects.
• Experimental gene-expression changes do not establish clinical outcomes.
• Findings depend on model, tissue type, experimental conditions, concentration, and observation period.
• Research involving pharmaceutical formulations does not establish safety or efficacy for independently supplied laboratory material.
• Semax derivatives with terminal chemical modifications should not automatically be treated as identical to standard Semax.

Accordingly, no human safety, side-effect, therapeutic, or clinical claims are made for this semax peptide.

Lyophilized Research Format

Protide Health supplies the compound as a white to off-white lyophilized powder.

Lyophilization is a freeze-drying process used to remove water from frozen material under reduced pressure, creating dry material suitable for controlled laboratory storage and handling.

According to the supplied specification, the unopened material should remain sealed at ≤6°C and protected from heat, light, and moisture.

No human dosing, administration, injection, nasal-spray, or preparation instructions are provided.

Literature & Citation Index

Semax, an Analog of ACTH(4-10), Regulates BDNF and TrkB Expression in the Rat Hippocampus

Authors: Oleg V. Dolotov et al.
Journal: Brain Research
Year: 2006
PMID: 16996037
DOI: 10.1016/j.brainres.2006.07.108
Research Context: BDNF protein expression, TrkB signaling, and transcriptional changes in rat hippocampus.

Neurotrophin Gene Expression in Rat Brain Under the Action of Semax

PMID: 17353092
Research Context: BDNF and NGF gene-expression changes in experimental rat brain models.

Semax Regulates Expression of Immune Response Genes During Ischemic Brain Injury in Rats

Year: 2017
PMID: 28255762
DOI: 10.1007/s00438-017-1297-1
Research Context: Transcriptomic changes involving immune-response pathways in a rat experimental model.

ACTH(4-7)PGP (Semax) and Proinflammatory Gene Transcripts

PMID: 34097675
DOI: 10.31857/S0026898421010043
Research Context: mRNA expression of inflammatory mediators in a reversible rat ischemia model.

Related Protide Health Research Products

Researchers investigating other peptide systems may also review Tesamorelin research peptide for a structurally distinct GHRH-related experimental model.

The TB-500 / Thymosin Beta-4 10mg research peptide provides another distinct peptide system for controlled laboratory research.

Researchers may also examine Survodutide 10mg as a separate multi-receptor research peptide with a different molecular structure and experimental context.

These compounds are chemically and mechanistically distinct from Semax and should not be considered interchangeable.

Frequently Asked Questions

What is a Semax peptide?

A semax peptide is a synthetic seven-amino-acid compound with the sequence Met-Glu-His-Phe-Pro-Gly-Pro. It is based on an ACTH-derived sequence extended with Pro-Gly-Pro.

What is the sequence of Semax?

The sequence is:

Met-Glu-His-Phe-Pro-Gly-Pro

The one-letter sequence is MEHFPGP.

What does Semax research focus on?

Published experimental research has investigated BDNF, TrkB, NGF, gene expression, inflammatory signaling, neurochemical pathways, and other molecular systems primarily in cell and animal models.

Are Semax peptides and Selank the same?

No. Semax peptides and Selank have different amino-acid sequences and distinct bodies of experimental research. They should be treated as separate compounds.

What does research say about Semax peptide benefits?

Published work reports changes in molecular and preclinical endpoints such as BDNF/TrkB signaling and gene expression. These findings do not establish therapeutic or cognitive benefits for this laboratory product.

What purity does Protide Health specify?

The supplied product specification states 99% purity, with HPLC-MS verification and third-party testing.

What form is the product supplied in?

The product is supplied as 10mg of white to off-white lyophilized powder in a 3mL vial.

Is Semax intended for human use?

No. This product is supplied exclusively for biochemical, analytical, molecular, cellular, and preclinical research.

Laboratory Terms & Compliance

Laboratory Research Use Only

This product is supplied exclusively for laboratory research, analytical testing, in-vitro studies, preclinical research, and qualified scientific experimentation.

It is not intended for human or veterinary consumption, diagnostic use, therapeutic use, medical use, cognitive enhancement, psychiatric use, or clinical administration.

No dosage, administration, injection, nasal-spray, or other human-use instructions are provided.

The purchaser is responsible for appropriate laboratory handling, storage, and use in accordance with applicable institutional, federal, state, and local requirements.

For research use only.