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Research Index: Non-clinical summaries for educational and scientific discussion. Not medical advice.

Cognitive & Neuro

Peptides investigated in neurological research

14 research compounds in this category

Humanin

T1
preclinical

Humanin is a 24-amino acid mitochondrial-derived peptide originally discovered in surviving neurons of Alzheimer's disease patients. It exerts neuroprotective effects primarily by inhibiting apoptosis via BAX binding, mitigating oxidative stress, preserving mitochondrial function, and counteracting neurotoxic insults like amyloid-beta in multiple disease models.

Dihexa

T2
preclinical

Dihexa is a synthetic oligopeptide derived from angiotensin IV that acts as an HGF mimetic, binding hepatocyte growth factor with high affinity and enhancing c-Met receptor signaling to promote synaptogenesis 7-fold greater than BDNF, neurogenesis, and memory restoration in preclinical Alzheimer's models.

NA Semax Amidate

T2
clinical-investigational

NA Semax Amidate is an enhanced, stabilized version of Semax with superior bioavailability and extended half-life for advanced cognitive enhancement and neuroprotection.

Omberacetam (Noopept)

T2
clinical-investigational

Omberacetam is a synthetic nootropic dipeptide 1000x more potent than piracetam, enhancing memory, learning, and neuroprotection through BDNF/NGF upregulation.

PT-141 (Bremelanotide)

T2
clinical-investigational

PT-141 (bremelanotide/Vyleesi) is the first FDA-approved treatment targeting neurological sexual desire via MC4R agonism in hypothalamic/limbic regions. Approved 2019 for premenopausal HSDD at 1.75 mg SC, RECONNECT trials showed ~1 additional satisfying sexual event per 2 months vs placebo.

Selank

T2
mixed

Selank is a synthetic heptapeptide analog of tuftsin with additional glyproline residues, developed in Russia and investigated for anxiolytic, nootropic, neuroprotective, and immunomodulatory effects through GABAergic and neurotransmitter system modulation.

Semax

T2
mixed

Semax is a synthetic heptapeptide analog of ACTH(4-10) that enhances BDNF and NGF expression, modulates dopaminergic, serotonergic, and cholinergic systems, and demonstrates neuroprotective effects through inhibition of nitric oxide synthesis, improved cerebral blood flow, and anti-inflammatory gene modulation in stroke research.

VIP (Vasoactive Intestinal Peptide)

T2
clinical-investigational

VIP is a 28-amino acid neuropeptide with potent vasodilatory, immunomodulatory, and neuroprotective properties. FDA breakthrough therapy designation for ARDS/COVID-19 respiratory failure.

Adalank

T3
preclinical

Adalank is an enhanced Selank derivative with acetylation and amidation for superior stability, researched for anxiety reduction, cognitive enhancement, and stress resilience without dependency.

Adamax

T3
preclinical

Adamax is an enhanced Semax derivative with adamantane modification for superior BBB penetration, researched for cognitive enhancement, neuroprotection, and neuroplasticity.

Cyclic Glycine-Proline

T3
preclinical

Cyclic glycine-proline is an endogenous cyclic dipeptide that regulates IGF-1 bioavailability and shows neuroprotective and cognitive benefits in research.

P21

T3
preclinical

P21 is a CNTF-derived tetrapeptide that enhances neurogenesis and cognitive function by activating CNTF receptor pathways without the side effects of full-length CNTF.

PE-22-28

T3
preclinical

PE-22-28 is a synthetic peptide derived from sortilin propeptide that acts as a TREK-1 potassium channel blocker, showing rapid antidepressant effects in preclinical models.

Pinealon

T3
preclinical

Pinealon is a synthetic tripeptide (EDR) derived from pineal gland research that shows neuroprotective effects and may support cognitive function and circadian rhythm regulation.

Research Index Disclaimer

BioInfinity Lab Research Index provides non-clinical summaries for educational and scientific discussion. Content is not medical advice and does not imply safety or efficacy in humans. Products (if referenced) are intended for laboratory research use only. No statements have been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.