Cortagen

Cortagen — Cerebral Cortex Bioregulator

Cortagen is a Khavinson-class short-chain bioregulator peptide that restores youthful gene expression in cerebral cortex tissue.

Peptide Specifications

Parameter	Value
Sequence	Ala-Glu-Asp-Pro
Mass	430.4 g/mol
Purity	>98.0%
Target Organ	Cerebral Cortex

Figure 1: Cortagen Organ-Specific Bioregulation

Tissue-Specific Mechanism

1. Tetrapeptide with high affinity for cortical neurons.
2. Restores gene expression in prefrontal and temporal cortices.
3. Normalizes neurotransmitter receptor density.
4. Promotes synaptic plasticity and long-term potentiation.
5. Antioxidant neuroprotection against ischemic damage.

Figure 2: Cerebral Cortex Regeneration Curve

Research Results

• 1: Restores cognitive function and cortical processing speed.
• 2: Studied for attention, memory, and executive function.
• 3: Synergistic with Pinealon for CNS bioregulation.

Cerebral Cortex Bioregulator

Cortagen (Ala-Glu-Asp-Pro) is a synthetic tetrapeptide bioregulator specifically targeting cerebral cortex neurons. While Pinealon broadly supports CNS neuroprotection, Cortagen is more specifically focused on cortical function—the brain regions responsible for higher-order cognition, executive function, language, sensory processing, and motor planning. Age-related cortical thinning, synaptic pruning, and neurotransmitter decline are primary drivers of cognitive aging, and Cortagen addresses these through epigenetic restoration of cortical neuron gene expression.

1. Cortagen enters cortical neuron nuclei and modulates promoter accessibility for genes involved in synaptic transmission and plasticity.
2. Neurotransmitter synthesis enzyme expression (choline acetyltransferase, tyrosine hydroxylase, glutamic acid decarboxylase) is normalized.
3. Synaptic vesicle cycling gene expression (synaptophysin, synaptotagmin, SNAP-25) is upregulated, supporting neurotransmitter release efficiency.
4. Dendritic spine maintenance genes are restored, preserving the synaptic connections that form the substrate of cortical information processing.
5. Mitochondrial biogenesis genes (PGC-1α, TFAM) in cortical neurons are supported, maintaining the energy supply for the brain’s most metabolically demanding tissue.

Cognitive Aging Research

• Executive Function: In aged animal models, Cortagen improved attention, set-shifting, and working memory tasks that depend specifically on prefrontal cortex integrity.
• vs. Pinealon: Cortagen targets cortical cognition; Pinealon targets broader neuroprotection and circadian regulation. They are complementary rather than redundant.
• Cortical Thickness: MRI-based cortical thickness measurements in aged subjects suggest Cortagen may attenuate age-related cortical thinning rates.
• Combination: Commonly combined with Pinealon (CNS neuroprotection) and Cerluten (brain bioregulator complex) for comprehensive cognitive bioregulator protocols.
• Protocol: 1–2 capsules daily for 20–30 days. Courses repeated every 3–6 months for sustained cognitive support.