($) NZD
  • (£) GBP (Default)
  • ($) USD
  • (€) EUR
  • ($) AUD
  • ($) CAD
Pharma Lab Global

15% off first order with code: 1storder

Pharma Lab Global
99%+ Quality Guaranteed
Pharma Lab Global

Competitive Prices

Pharma Lab Global
Shipping Protection
Pharma Lab Global
Fast Order Process

P-21 Peptide

P-21 is a synthetic peptide known for its regenerative and neuroprotective potential. It is derived from cerebrolysin, a brain-derived peptide mixture, and works by promoting neuronal growth and repair. P-21 enhances the activity of brain-derived neurotrophic factor (BDNF), which supports the survival and function of neurons. Researchers suggested that this action makes it promising for applications in neurodegenerative conditions such as Alzheimer’s disease, Parkinson’s disease, and other cognitive disorders [1].

By stimulating cellular repair processes and synaptic plasticity, studies indicate that P-21 may aid in improving memory, learning, and overall brain function. Its targeted mechanism positions it as an innovative option for advancing neurological health.

Molecular Formula: C30H54N605

Amino Acids Sequence: DGGL-adamantane-G

Small Molecular Weight: 578.3 g/mol

Potential Benefits of P-21 Peptide

Buy P-21 Peptide Vial here – Available in 2mg or 5mg vials.

Mechanism of Action of P-21 Peptide

P-21 peptide operates through a unique mechanism that highlights its neuroprotective and regenerative properties. Derived from cerebrolysin, P-21 interacts with brain-derived neurotrophic factor (BDNF), a critical protein for neuronal survival and function. By enhancing BDNF activity, P-21 promotes the growth, repair, and maintenance of neurons. This supports the regeneration of damaged brain cells and helps counteract the effects of neurodegeneration [2].

Additionally, P-21 aids in synaptic plasticity, the brain’s ability to adapt and strengthen connections between neurons. This is crucial for learning, memory, and overall cognitive function. Through cellular repair processes, the peptide works to restore weakened neural networks and maintain brain health [3].

These combined actions make P-21 a promising candidate for addressing neurodegenerative conditions like Alzheimer’s and Parkinson’s disease, as well as improving cognitive outcomes in aging. Its mechanisms position it as an innovative tool for enhancing brain function and resilience [4].

Buy P-21 peptide vial  from PharmaLabGlobal

Potential Applications of P-21 Peptide

Researchers have established that P-21 peptide may have a crucial role in enhancing cognitive function and brain health. Although further research is needed, studies have found that it could have the following potential applications:

Supports neuronal growth and repair

By enhancing BDNF activity, P-21 helps stimulate the growth and maintenance of neurons, aiding in the regeneration of damaged cells. Studies have shown that the peptide also promotes synaptic plasticity, which strengthens the connections between neurons and allows the brain to adapt, vital for learning and memory [5]. Furthermore, it activates cellular repair processes, restoring weakened or compromised neural networks.

Enhances synaptic plasticity to improve cognitive function and memory

P-21 peptide enhances synaptic plasticity by strengthening the brain’s ability to adapt and form new neural connections. Its interaction with brain-derived neurotrophic factor (BDNF) plays a critical role in this process, as BDNF supports neuron survival, growth, and communication [5]. P-21 promotes the regeneration of neural pathways and repair of damaged neurons, enabling better connectivity between brain cells. This improved connectivity facilitates the efficient exchange of information, which is vital for learning, memory, and cognitive flexibility. 

This process is essential for forming and retaining new information. By interacting with brain-derived neurotrophic factor (BDNF), P-21 supports neuron survival and growth, boosting cognitive functions. It aids in repairing damaged neurons and strengthening neural networks, ensuring seamless communication between brain cells. This optimized connectivity enhances the brain’s capacity to process and store information effectively [6]. Together, these mechanisms make P-21 a promising tool for improving cognitive performance and addressing memory-related challenges, particularly in aging or neurodegenerative conditions.

Potential treatment option for Alzheimer’s disease and other neurogenerative conditions

P-21 peptide shows potential as a treatment for Alzheimer’s disease through its neuroprotective and regenerative properties. By enhancing brain-derived neurotrophic factor (BDNF) activity, it promotes neuronal survival, growth, and repair. This is critical for counteracting the progressive neuronal damage characteristic of Alzheimer’s. P-21 also supports the repair of damaged neurons and neural networks, improving communication between brain cells [7]. Additionally, it strengthens synaptic plasticity, ensuring the brain remains adaptable and capable of learning and memory retention. These multi-faceted mechanisms position P-21 as a promising approach to mitigating cognitive decline and addressing key challenges in Alzheimer’s disease treatment.

Anti-aging skin care

The P-21 peptide, through its role in cellular senescence and tissue regeneration, shows potential for anti-aging applications, including skin health. Research indicates that p21 can regulate the presence of senescent cells, which accumulate with age and contribute to tissue aging. By modulating senescent cell viability and promoting their clearance, P-21 may help reduce age-related damage and support tissue repair. Additionally, its ability to influence extracellular matrix components, such as collagen, could enhance skin elasticity and reduce wrinkles [8].

Frequently Asked Questions about P-21 Peptide

Can P-21 Peptide slow tumour cell growth?

Yes, P-21 peptide has shown potential in slowing tumour cell growth. Research indicates that P-21, derived from the C-terminal region of the p21 protein, can inhibit cell proliferation and cell cycle progression in cancer cells. It achieves this by targeting cyclin-dependent kinases (CDKs) and proliferating cell nuclear antigen (PCNA), which are crucial for DNA replication and cell cycle regulation. Studies have demonstrated its effectiveness in human colon cancer cells and lymphoma cells, where it induced cell cycle arrest and necrosis [9].

Are there any severe side effects associated with P-21 peptide?

The available research on P-21 peptide primarily focuses on its therapeutic potential, particularly in cancer treatment, and does not extensively document severe adverse effects. However, like many therapeutic peptides, potential concerns could include:

  1. Immune Response: Peptides can sometimes trigger immune reactions, leading to inflammation or allergic responses.
  2. Off-Target Effects: If the peptide interacts with unintended proteins or pathways, it could disrupt normal cellular functions.
  3. Toxicity: High doses or prolonged use might lead to cytotoxicity in non-cancerous cells, though this risk is generally minimized with targeted delivery systems.
  4. Stability Issues: Peptides often have short half-lives and may degrade into potentially harmful byproducts.

Further preclinical studies are needed to comprehensively evaluate the safety profile of P-21 peptide.

Scientific Research

[1] Rockenstein E, Ubhi K, Doppler E, Novak P, Moessler H, et al. Regional comparison of the neurogenic effects of CNTF-derived peptides and cerebrolysin in AβPP transgenic mice. J Alzheimers Dis. 2011;27(4):743-52.

[2] Dobrigna M, Poëa-Guyon S, Rousseau V, Vincent A, Toutain A, Barnier JV. The molecular basis of p21-activated kinase-associated neurodevelopmental disorders: From genotype to phenotype. Front Neurosci. 2023 Mar 2;17:1123784. 

[3] Fuchsova B, Alvarez Juliá A, Rizavi HS, Frasch AC, Pandey GN. Expression of p21-activated kinases 1 and 3 is altered in the brain of subjects with depression. Neuroscience. 2016 Oct 1;333:331-44.

[4] Pütz SM, Kram J, Rauh E, Kaiser S, Toews R, Lueningschroer-Wang Y, Rieger D, Raabe T. Loss of p21-activated kinase Mbt/PAK4 causes Parkinson-like phenotypes in Drosophila. Dis Model Mech. 2021 Jun 1;14(6):dmm047811. 

[5] Bathina S, Das UN. Brain-derived neurotrophic factor and its clinical implications. Arch Med Sci. 2015 Dec 10;11(6):1164-78.

[6] Bin Li, Lukas Wanka, Julie Blanchard, Fei Liu, Muhammad Omar Chohan, Khalid Iqbal, Inge Grundke-Iqbal, Neurotrophic peptides incorporating adamantane improve learning and memory, promote neurogenesis and synaptic plasticity in mice, FEBS Letters, Volume 584, Issue 15, 2010, Pages 3359-3365.

[7] Zhao L, Ma QL, Calon F, Harris-White ME, Yang F, Lim GP, Morihara T, Ubeda OJ, Ambegaokar S, Hansen JE, Weisbart RH, Teter B, Frautschy SA, Cole GM. Role of p21-activated kinase pathway defects in the cognitive deficits of Alzheimer disease. Nat Neurosci. 2006 Feb;9(2):234-42. 

[8] Papismadov N, Gal H, Krizhanovsky V. The anti-aging promise of p21. Cell Cycle. 2017;16(21):1997-1998.

[9] Abbas T, Dutta A. p21 in cancer: intricate networks and multiple activities. Nat Rev Cancer. 2009 Jun;9(6):400-14.

Further Reading:

NAD+ against Alzheimer's  from PharmaLabGlobal
P-21 peptide in skincare  from PharmaLabGlobal
Semax and Selank Peptides  from PharmaLabGlobal

Unveiling the Protective Power of NAD+ Against Alzheimer’s Disease

Explore the protective role of NAD+ (nicotinamide adenine dinucleotide) against Alzheimer’s disease. It highlights how NAD+ reduces oxidative stress, supports neuronal health, and enhances DNA repair, all of which are crucial in preventing or slowing Alzheimer’s progression.

The article also discusses recent research and studies showcasing the potential of NAD+ supplementation to improve cognitive function and reduce Alzheimer’s pathological markers, offering hope for new therapeutic strategies.

P-21 peptide in Skincare Innovation

This blog delves into the innovative use of P-21 peptide in skincare, highlighting its role in cell regeneration, enhancing skin elasticity, and improving overall skin health. It explores the peptide’s journey from laboratory research to its integration into advanced skincare formulations, emphasizing its scientifically-backed benefits like wrinkle reduction and improved skin texture. The article also discusses the future potential of P-21 in addressing specific skin concerns and its synergy with other active ingredients, marking a significant shift towards evidence-based, personalized skincare solutions.

Semax and Selank Peptides for Cognitive Enhancement and Emotional Wellbeing

Discover the synergistic benefits of Semax and Selank peptides, and their combined potential to enhance cognitive function, reduce anxiety, and promote overall well-being. Semax boosts neuroplasticity, while Selank offers anxiolytic and mood-enhancing effects. Together, they amplify each other’s strengths, improving memory, focus, emotional stability, and stress management. The article also discusses their neuroprotective, anti-inflammatory, and immune-supporting properties, making this peptide combination a promising tool for optimizing brain health and emotional resilience.

Buy P-21 Peptide From PharmaLabGlobal

Premium Quality Peptides

Peptides are manufactured to a purity standard of 99% (complex peptides are 98% pure or higher)

Global Supplier

At Pharma Lab Global we supply premium peptides to the research industry worldwide.

Excellent Customer Service

Our mission and priority are to ensure that clients receive a superior customer experience.

Competitive Prices

At Pharma Lab Global we aim to supply the highest purity research peptides at affordable prices.

ALL PRODUCT INFORMATION AND ARTICLES ON THIS SITE ARE FOR EDUCATIONAL PURPOSES ONLY

DISCLAIMER: All products sold by Pharma Lab Global are for research and laboratory use only. These products are not designed for use or consumption by humans or animals. They are not to be classified as a drug, food, cosmetic, or medicinal product and must not be mislabelled or used as such. By purchasing from our Website the buyer accepts and acknowledges the risks involved with handling of these products. All articles and product information provided on this Website are for informational and educational purposes only. Handling and use of these products should be restricted to suitably qualified professionals.