Description

Eterna Peptides presents premium-grade PNC-27 (10mg) lyophilized powder, an advanced synthetic membrane-lytic peptide engineered for oncology research and cellular immunity modeling. Composed of a structural 27-amino-acid sequence, PNC-27 pairs an elite anti-cancer peptide (orally active p53-derived amino acids 12–26) with a transmembrane-penetrating carrier domain (penetratin sequence) at its C-terminus. Originally evaluated for its early antiviral potential, PNC-27 has emerged as a premier tool in molecular oncology due to its unique affinity for cell-membrane-bound regulatory proteins. This precise 10mg single-vial format is specifically calibrated for tracking target-selective cell death pathways, rapid membranolysis, and cellular structural integrity assays.

### Mechanism of Action
PNC-27 operates via a highly specific, non-receptor-mediated physical disruption of targeted cellular membranes:
* **HDM2 Expression Targeting:** In laboratory models, PNC-27 leverages its p53-derived $\alpha$-helical segment to bind with high affinity to the Human Double Minute 2 ($HDM2$) protein. Unlike healthy cells where HDM2 resides strictly in the nucleus, transformed and aberrant cell lines abundantly express HDM2 across their cellular membranes.
* **Transmembrane Pore Formation & Membranolysis:** Upon locating membrane-bound HDM2, the cell-penetrating carrier segment of PNC-27 drives the insertion of the peptide chain into the lipid bilayer. This integration induces rapid oligomerization, creating localized transmembrane pores (holes) that cause physical membranolysis.
* **Apoptosis and Necrosis Cascades:** The formation of these trans-membrane gaps destroys the cell’s baseline osmotic balance. Extracellular ions rapidly flood the intracellular matrix, causing the cell to swell, lose structural equilibrium, and undergo swift necrotic or apoptotic cell death, spilling its internal contents for immune signaling review.
* **Strict Cellular Selectivity:** Because normal, healthy cells do not exhibit surface expression of the target HDM2 protein, the structural binding and subsequent pore-forming mechanism of PNC-27 leave non-aberrant cell matrices entirely unharmed during control screening.

### Research Applications
In preclinical and in vitro laboratory models, PNC-27 10mg vials are actively utilized to investigate:
* High-velocity cell-selective lysis, apoptotic signaling cascades, and necrotic membrane degradation kinetics.
* Topographical maps of surface-bound HDM2 protein densities across diverse transformed cell lines (pancreatic, ovarian, leukemia, etc.).
* Cell-penetrating peptide carrier efficiency, lipid bilayer insertion thermodynamics, and pore-forming structural mechanics.
* Downstream cellular microenvironment response, macrophage activation, and antigen presentation under localized tumor-simulation stress.

Our PNC-27 vials undergo strict laboratory stabilization, high-grade purification, and uniform vacuum-drying guidelines to ensure absolute peptide chain integrity, rapid reconstitution kinetics, and dependable experimental reproducibility.

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*Disclaimer: This product is sold strictly for laboratory research and development use only. It is not intended for human consumption, diagnostic, or therapeutic purposes.*