Pinealon

Pinealon (EDR) is a synthetic tripeptide composed of glutamic acid, aspartic acid, and arginine. Research on Pinealon has examined cellular responses associated with oxidative stress, reactive oxygen species (ROS), cell viability, proliferation, and intracellular signaling. [1]

Unlike peptides with a well-defined receptor-mediated mechanism, Pinealon does not currently have a single established molecular target that accounts for the findings reported across experimental models.

Oxidative Stress and ROS

One area of Pinealon research involves cellular responses to oxidative stress and the accumulation of reactive oxygen species. Experimental studies have investigated whether Pinealon exposure alters ROS-associated cellular changes under defined stress conditions. These findings provide a research model for examining how a short peptide may influence cellular responses to oxidative challenges, although the molecular basis of these effects remains under investigation. [2]

ERK1/2 Signaling

Pinealon has also been studied in relation to the ERK1/2 pathway, part of the mitogen-activated protein kinase (MAPK) signaling network. Experimental research has reported changes in ERK1/2 activation following Pinealon exposure in cellular models. Because ERK1/2 participates in signaling processes associated with cell proliferation, differentiation, and cellular responses to external stimuli, this provides a useful pathway for investigating Pinealon-associated changes in intracellular signaling. [1]

Cell Viability and Proliferation

Cell-based studies have examined Pinealon in relation to cell viability and proliferation under different experimental conditions. These experiments provide a way to investigate whether exposure to the tripeptide is associated with measurable changes in cellular growth and survival parameters. The reported effects are dependent on the experimental model and conditions used. [2]

Cell-Cycle Research

Research has also examined Pinealon-associated changes in cell-cycle behavior. Experimental observations involving cell-cycle distribution provide another approach for investigating how the peptide may influence cellular processes connected to proliferation and cellular stress responses. [2]

Proposed Molecular Mechanisms

Proposed Molecular Mechanisms Some literature has proposed that Pinealon may influence gene expression and other intracellular processes, including mechanisms involving DNA-associated regulation. [3] However, these mechanisms remain areas of investigation rather than universally established explanations for Pinealon activity. The relatively limited research base means that findings from individual experimental systems should not be generalized across all cell types or biological conditions.

Overall, Pinealon provides a research model for investigating oxidative stress, reactive oxygen species, ERK1/2 signaling, cell viability, proliferation, and cell-cycle behavior. Its small size and defined sequence also make it useful for studying the relationship between short peptide structure and cellular responses, while the molecular mechanisms underlying the reported effects remain an active area of research.

Pinealon Research Applications

Pinealon has been investigated primarily in cell-based experimental models examining oxidative stress, reactive oxygen species, intracellular signaling, and cellular behavior. Research applications include:

Oxidative Stress Research

Experimental studies have investigated Pinealon in cellular models exposed to oxidative stress, including measurements of reactive oxygen species (ROS) and associated changes in cellular condition. These models provide a framework for examining how a defined tripeptide interacts with cellular responses to oxidative challenges. [2]

Reactive Oxygen Species Research

Pinealon has been studied in relation to intracellular ROS accumulation. Researchers can use ROS measurements to investigate whether exposure to the peptide is associated with changes in oxidative-state markers under controlled experimental conditions. [2]

ERK1/2 Signaling Research

Cell-based research has examined Pinealon in relation to ERK1/2, a signaling pathway within the broader MAPK network. Measuring ERK1/2 activation provides an experimental approach for investigating whether Pinealon exposure is associated with changes in intracellular signal transduction. [1][2]

Cell Viability and Proliferation Research

Pinealon has been evaluated in cellular models using measures of cell viability and proliferation. These experiments provide a means of studying how the peptide affects measurable cellular responses under defined culture conditions.

Cell-Cycle Research

Studies have also examined changes in cell-cycle behavior following Pinealon exposure. Cell-cycle analysis can provide additional information about the relationship between peptide exposure, cellular proliferation, and responses to experimental stress conditions.

Cellular Stress Response Research

The combination of ROS, cell viability, proliferation, and signaling measurements makes Pinealon useful for exploratory studies of cellular stress responses. Researchers can examine multiple endpoints within the same experimental system to investigate potential relationships between oxidative status, intracellular signaling, and cell behavior.

Overall, the available research supports Pinealon as an experimental material for studying oxidative stress, ROS, ERK1/2 signaling, cell viability, proliferation, and cell-cycle behavior. Because the published evidence remains relatively limited, findings should be interpreted within the specific cellular model and experimental conditions in which they were obtained.

Pinealon vs Epitalon vs FOXO4-DRI Comparison

Pinealon can be compared with other short peptide research materials that have been investigated in cellular and molecular biology. Epitalon provides the closest comparison in terms of research context, while FOXO4-DRI and KPV offer contrasting models for studying cellular signaling and peptide-associated mechanisms.

Note: All materials listed for laboratory research use only

The main distinction is that Pinealon is primarily investigated in relation to cellular stress, ROS, ERK1/2 signaling, and cell-cycle behavior, whereas Epitalon has been studied in a broader context of cellular and molecular aging research. 

FOXO4-DRI represents a substantially different research model because it is designed around an intracellular protein–protein interaction rather than the less-defined cellular mechanisms currently associated with Pinealon.

Other Related Peptides for Comparative Research

KPV provides another useful comparison because it is also an unusually short peptide with research centered on intracellular cellular pathways. KPV is a three-amino-acid fragment of α-MSH that has been investigated in relation to PepT1-mediated uptake, NF-κB signaling, and MAPK pathways. Comparing KPV with Pinealon can therefore help researchers examine how two structurally small peptides are investigated in relation to different cellular signaling mechanisms.

FOXO4-DRI is also relevant when the research question concerns cellular stress and senescence, although its molecular architecture and mechanism are substantially different from Pinealon. FOXO4-DRI has been studied specifically in relation to the FOXO4–p53 protein–protein interaction, making it a useful contrasting model for research into intracellular peptide mechanisms.

These comparisons should be interpreted according to the specific experimental evidence available for each peptide. Similar research endpoints, such as cell viability, signaling, or cellular stress, do not establish that the compounds share the same mechanism or biological activity.

Storage & Laboratory Handling

When you buy Pinealon peptide for laboratory research, proper storage and handling can help maintain the material's integrity and preserve its analytical characteristics. Pinealon is supplied as a lyophilized research peptide.

• Keep the vial tightly sealed when not being handled.

• Store at the temperature specified by the manufacturer and appropriate for the intended storage period.

• Protect the material from excessive heat, light, and moisture.

• Minimize exposure to ambient humidity during handling.

• Avoid unnecessary temperature fluctuations and repeated freeze-thaw cycles.

• When transferring a refrigerated or frozen vial between environments, keep the container sealed while it equilibrates to help minimize condensation.

• Use clean laboratory handling practices appropriate for peptide research materials.

• Maintain the original product label and batch/lot information for traceability.

• Retain the applicable Certificate of Analysis (COA) with the batch documentation.

• Follow laboratory-specific standard operating procedures and applicable institutional requirements.

Peptide stability can vary according to factors such as formulation, storage conditions, handling, and the specific production batch. Researchers should therefore avoid assuming a universal shelf life or stability profile and should refer to the manufacturer's current storage guidance, product documentation, and validated laboratory procedures for the specific Pinealon material being studied.

Third-Party Testing & COA

When you buy Pinealon peptide from Bluum Peptides, you can review the batch-specific analytical documentation provided with the material. Each new batch is independently tested by a third-party laboratory for identity, purity, endotoxins, and other applicable quality parameters, with the results documented in a Certificate of Analysis (COA).

You can use the Bluum Peptides COA Lookup page to access available certificates and review the analytical results associated with individual production lots. The documentation provides batch-level information that can help you verify the reported identity and purity of the material and trace the testing to the independent laboratory responsible for the analysis.

Bluum states a purity of >99% for its Pinealon research material. Because analytical results can vary between production lots, you should refer to the current batch-specific COA for the exact purity, identity, endotoxin results, and other applicable quality-control data for the material you receive.

Frequently Asked Questions About Pinealon

What is Pinealon peptide?

Pinealon is a synthetic tripeptide composed of glutamic acid, aspartic acid, and arginine (Glu-Asp-Arg). It is also known as EDR and has been investigated in experimental models involving oxidative stress, reactive oxygen species (ROS), cell viability, proliferation, cell-cycle behavior, and intracellular signaling.

What is Pinealon peptide used for in research?

Pinealon is used as a research material for investigating cellular responses to oxidative stress and other experimental conditions. Studies have examined Pinealon in relation to ROS accumulation, cell viability, proliferation, cell-cycle behavior, and ERK1/2 signaling. These studies provide experimental models for examining how a short peptide may influence measurable cellular responses under defined laboratory conditions.

How does Pinealon affect oxidative stress and reactive oxygen species (ROS)?

Experimental research has investigated Pinealon in cellular models exposed to oxidative stress, including measurements of reactive oxygen species (ROS). A 2011 study reported that Pinealon reduced ROS accumulation under experimentally induced oxidative conditions in several cell models. These findings provide a basis for further research into the relationship between Pinealon exposure and cellular responses to oxidative stress.

Does Pinealon interact with the ERK1/2 signaling pathway?

Pinealon has been investigated in relation to ERK1/2, a component of the mitogen-activated protein kinase (MAPK) signaling network. Experimental research reported changes in ERK1/2 activation following Pinealon exposure alongside changes in cell-cycle behavior. This provides a research model for examining whether Pinealon-associated cellular responses involve changes in intracellular MAPK signaling.

What is the sequence and molecular weight of Pinealon?

Pinealon has the sequence Glu-Asp-Arg (EDR) and consists of three amino acids. Its commonly reported molecular formula is C₁₅H₂₆N₆O₈, with a molecular weight of approximately 418.40 g/mol. Researchers should refer to the applicable product documentation and batch-specific Certificate of Analysis (COA) when verifying the identity and analytical characteristics of a specific material.

Does Pinealon have an established molecular mechanism?

Pinealon does not currently have one universally established molecular mechanism that explains all of the effects reported in experimental studies. Research has proposed mechanisms involving intracellular signaling, gene expression, and interactions with cellular regulatory processes, but these remain areas of investigation. Findings should therefore be interpreted according to the specific experimental model, conditions, and endpoints used.

How is Pinealon tested for purity and identity?

Pinealon can be characterized using analytical techniques such as high-performance liquid chromatography (HPLC) and mass spectrometry (MS). HPLC can provide information about chromatographic purity, while mass spectrometry can help confirm molecular identity and mass characteristics. Bluum Peptides independently tests each new batch through a third-party laboratory, with applicable results documented in a batch-specific Certificate of Analysis (COA).

Where can I buy Pinealon peptide for laboratory research?

You can buy Pinealon peptide from Bluum Peptides as a 20 mg lyophilized research peptide supplied in a sealed 3 mL vial. Bluum states a purity of >99% and provides batch-specific analytical documentation for its research products. You should refer to the COA for the exact purity, identity, endotoxin results, and other applicable analytical data associated with the batch you receive. Pinealon is supplied strictly for laboratory research use only.

Scientific References

1. Khavinson V, Linkova N, Kozhevnikova E, Trofimova S. EDR Peptide: Possible Mechanism of Gene Expression and Protein Synthesis Regulation Involved in the Pathogenesis of Alzheimer's Disease. Molecules. 2020 Dec 31;26(1):159.
   doi: 10.3390/molecules26010159. PMID: 33396470; PMCID: PMC7795577.

2. Khavinson V, Ribakova Y, Kulebiakin K, Vladychenskaya E, Kozina L, Arutjunyan A, Boldyrev A. Pinealon increases cell viability by suppression of free radical levels and activating proliferative processes. Rejuvenation Res. 2011 Oct;14(5):535-41.
   doi: 10.1089/rej.2011.1172. Epub 2011 Oct 6. PMID: 21978084.

3. Ilina A, Khavinson V, Linkova N, Petukhov M. Neuroepigenetic Mechanisms of Action of Ultrashort Peptides in Alzheimer's Disease. Int J Mol Sci. 2022 Apr 12;23(8):4259.
   doi: 10.3390/ijms23084259. PMID: 35457077; PMCID: PMC9032300.