BDNF Upregulation and Synaptic Plasticity Research
Neuropeptides and their role in neurotrophin signaling.
Investigation of BDNF-promoting peptides and their mechanisms in neurotrophin signaling.
BDNF Upregulation and Synaptic Plasticity Research
Overview
Brain-derived neurotrophic factor (BDNF) is a key neurotrophin supporting neuronal survival, growth, and synaptic plasticity. Multiple synthetic peptides have been studied for their capacity to enhance BDNF signaling and neuroprotection.
BDNF Signaling Pathways
BDNF binds TrkB (tropomyosin receptor kinase B) and p75NTR receptors, activating:
- •MAPK/ERK cascade for synaptic long-term potentiation
- •PI3K/Akt pathway for cell survival
- •CREB-mediated gene transcription
- •TREK-1 potassium channel modulation
Preclinical Models
Rodent studies demonstrate synthetic peptides (Semax, Selank, Dihexa) enhance BDNF expression in hippocampus and prefrontal cortex, with correlative improvements in spatial memory and anxiety-related behaviors in behavioral models.
Research Significance
BDNF-enhancing compounds serve as critical tools for understanding synaptic plasticity, cognitive aging, and neuroprotective mechanisms in laboratory research settings.
Keywords
Research Goals
(2)Referenced Compounds
(12)Pinealon
Pineal-derived tripeptide targeting CNS neuroprotection, cognition, and circadian regulation
Adalank
Adamantane-modified anxiolytic peptide with enhanced membrane permeability and prolonged half-life
PE-22-28
Spadin-derived peptide blocking TREK-1 channels. Studied for neuroplasticity and mood research.
Dihexa
An angiotensin IV analog studied for synaptogenesis via the HGF/MET signaling pathway.
Adamax
N-Acetyl Semax Amidate — enhanced Semax derivative studied for cognitive enhancement and neuroplasticity.
Selank
A synthetic heptapeptide derived from tuftsin, studied for GABAergic system influence and BDNF expression.
Humanin
The first peptide discovered to be encoded within mitochondrial DNA. Studied for neuroprotection and insulin sensitivity.
SS-31
Concentrates ~1,000-fold in the inner mitochondrial membrane. One of the most clinically advanced mitochondria-targeted peptides.
MOTS-c
A mitochondrial-derived peptide linked to cellular energy regulation. Encoded in mitochondrial DNA.
NAD+
A coenzyme essential to cellular energy production, DNA repair, and sirtuin activation.
Semax
A synthetic ACTH fragment studied for neuroprotection and BDNF upregulation. Pharmaceutical approval in Russia for stroke recovery.
Epitalon
A four-amino-acid peptide derived from pineal gland research in Russia, now studied globally for telomerase activation and telomere biology.
For research use only. Not medical advice.