Cerebrolysin
Cerebrolysin (FPF-1070) is a highly complex, low-molecular-weight peptidic fraction obtained through the standardized enzymatic hydrolysis of purified porcine brain proteins. Unlike synthetic monocomponent peptides, Cerebrolysin is a biologically derived mixture containing a diverse array of active free amino acids and small neuropeptides (with a molecular cut-off strictly less than 10 kDa). Widely investigated in neurochemistry and cellular biology, this compound serves as a foundational reference agent for studying neurotrophic signaling, neural survival pathways, and microglial activation dynamics in closed, controlled laboratory models.
Deciphering the Cellular Mechanism of Action
The molecular mechanism of Cerebrolysin is highly complex because its biological action is driven by the synergistic effect of its constituent neuropeptides rather than a single active target.
In the comparative cellular signaling model depicted above, researchers can observe how the introduction of Cerebrolysin (shown on the right, Panel B) acts as an exogenous promoter of neurotrophic systems compared to baseline pathological signaling (shown on the left, Panel A):
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TrkB Receptor Activation: The low-molecular-weight peptide fragments in Cerebrolysin mimic endogenous neurotrophic factors, elevating brain-derived neurotrophic factor (BDNF) levels. This directly triggers tyrosine kinase receptor B (TrkB) signaling cascade pathways.
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Apoptosis Suppression: Once the TrkB pathway is activated, the intracellular signal works to actively downregulate Caspase-3 activity. By blocking this executioner protease, the cascade mitigates mitochondrial damage and reduces overall neuronal death.
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Glial Activation & Cytokine Regulation: Under pathological stress (Panel A), activated microglia and astrocytes undergo heightened glial activation, releasing cascade arrays of pro-inflammatory cytokines. Under the influence of Cerebrolysin (Panel B), this glial activation is suppressed, leading to a downregulatory cascade that significantly reduces inflammatory cytokine outputs.
Technical Specifications
Because Cerebrolysin is a multi-constituent biological mixture rather than a singular synthetic molecule, it lacks traditional monocomponent chemical properties such as a uniform molecular weight, molecular formula, or individual CAS number:
| Property | Specification |
|---|---|
| Product Name | Cerebrolysin (FPF-1070) |
| UNII Identifier | 37KZM6S21G |
| CAS Number | None (Complex biological mixture) |
| Molecular Formula | None (Multi-component peptide/amino acid matrix) |
| Molecular Weight | Multi-component distribution (All fractions less than 10 kDa) |
| Source Material | Purified porcine brain protein |
| Chemical Class | Biologically derived peptide hydrolysate |
| Assay Verification | Chromatographic Fingerprint Profile (HPLC verified) |
Research Applications & Analytical Characterization
In laboratory settings, Cerebrolysin serves as a highly specialized tool for studying multi-target neuroprotection. However, its biological origin requires distinct analytical considerations.
Primary fields of investigative research include:
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Neurite Outgrowth & Plasticity Assays: Utilizing primary neuronal cultures to measure how the peptide mixture stimulates structural dendritic branching, synaptic density, and axonal sprouting.
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In Vitro Cell Viability Studies: Exposing neuronal cells to metabolic stressors (e.g., hypoxia, oxidative stress, or glucose deprivation) to evaluate cellular survival parameters in the presence of the hydrolysate.
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Chromatographic Fingerprinting: Because Cerebrolysin cannot be assigned a single “purity percentage,” analytical laboratories utilize High-Performance Liquid Chromatography (HPLC) to establish a lot-specific chromatographic fingerprint. This profile acts as an essential lot-to-lot baseline to ensure physical and chemical consistency across experimental designs.
A Critical Note on Analytical Purity: Please be aware that any supplier advertising a single “purity percentage” (e.g., 98% purity) for Cerebrolysin is presenting a chemical impossibility. For a multi-peptide biological hydrolysate, purity cannot be measured as a singular ratio. Investigators should treat potential lot-to-lot biochemical variability as an active experimental variable and utilize appropriate lot-matched controls.
Storage & Handling Guidelines
To preserve the delicate peptide bonds and maintain biological activity within your research assays:
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Temperature Maintenance: Store the aqueous solution strictly between 1–6°C. Do not freeze the material, as mechanical crystal stress can disrupt the native configuration of the active neuropeptide fractions.
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Photolytic Protections: Cerebrolysin must be kept sealed in its original, light-shielded amber containers to prevent ultraviolet-induced amino acid photo-oxidation.
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Biosafety & Compliance: Because this compound is a porcine-derived biological material, institutional researchers must confirm that local biosafety levels, import laws, and animal-derived material policies permit its handling prior to experimental initiation.
Related Research Compounds
Further reading: Cerebrolysin research overview
Frequently Asked Research Questions
Why is there no CAS number listed for Cerebrolysin?
Because Cerebrolysin is an organic, multi-component extract consisting of hundreds of distinct low-molecular-weight peptides and free amino acids, it does not possess a singular CAS registry number. Instead, it is classified globally by its pharmacological and biochemical designator, FPF-1070, and its unique ingredient identifier (UNII) 37KZM6S21G.
Can HPLC be used to determine the exact concentration of every peptide in the vial?
No. Standard HPLC analysis of Cerebrolysin generates a complex, multi-peak “chromatographic fingerprint” rather than isolated, quantifiable single-substance curves. This fingerprint is used to confirm the identity of the mixture as an authentic, enzymatically cleaved porcine brain hydrolysate by comparing it against an international standard profile.
Scientific References
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Gschanes, A., Windisch, M., Valetitsch, H., & Schreiner, E. (1997). “Cerebrolysin improves spatial learning of senescent rats in the Morris water maze.” Journal of Neural Transmission, 104(11-12), 1307–1319. doi:10.1007/BF01294735.
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Rockenstein, E., Torrance, M., Mante, M., Adame, A., Kosberg, K., Rose, J. B., … & Masliah, E. (2006). “Neuroprotective effects of Cerebrolysin in a transgenic model of Alzheimer’s disease are associated with decreased amyloid-beta accumulation.” Journal of Neural Transmission, 113(11), 1735–1748. doi:10.1007/s00702-006-0520-y.
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Alvarez, X. A., Cacabelos, R., Laredo, M., Couceiro, V., Sampedro, C., Varela, M., … & Windisch, M. (2000). “A 24-week, double-blind, placebo-controlled study of three dosages of Cerebrolysin in patients with mild-to-moderate Alzheimer’s disease.” European Journal of Neurology, 7(3), 293–300. doi:10.1046/j.1468-1331.2000.00062.x.
Analytical Documentation
Purity, identity, and composition vary by manufacturing lot. Kimera Chems does not publish a single fixed purity figure for this item; refer to the batch-specific Certificate of Analysis (COA) issued for the lot received, which reflects third-party analytical testing for that lot. Contact us if a COA for your lot is required.
Research Use Only Disclaimer: This product is supplied strictly as a Research Use Only (RUO) laboratory reference material. It is not an FDA-approved drug, licensed medication, or therapeutic agent, and is strictly prohibited for human or veterinary use. No dosing guidelines, safety parameters, or clinical protocols are provided. Kimera Chems supplies this material exclusively to qualified scientific institutions and professional investigators for in vitro and analytical applications.
