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PNC-27

p53-Derived HDM2-Targeting Peptide (Investigational)Research use only

Half-life

Not well characterized; expected short plasma stability typical of linear peptides (minutes to low hours) without specialized formulation

Delivery

Preclinical studies have explored intratumoral, perilesional, or topical/locoregional administration; systemic delivery remains investigational.

Dosage

Research Use Only

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Description

PNC-27 is a synthetic peptide based on residues from the human p53 protein linked to a membrane-penetrating motif. In preclinical research it binds HDM2 localized on cancer-cell membranes and assembles into membrane pores, producing selective on-target cytotoxicity in vitro and in animal models.

Usage

Exploratory oncology research to study HDM2-targeted membrane disruption, tumor cell killing, and differential effects between malignant and non-malignant cells.

Mechanism of Action

Binds HDM2 on cancer-cell membranes; peptide oligomerization forms transmembrane pores that rapidly disturb ionic gradients and induce necrotic/apoptotic cell death. Selectivity is hypothesized to stem from cancer-specific membrane HDM2 expression.

Benefits(3)

  • Potent cytotoxicity against HDM2-positive cancer cells in vitro
  • Activity reported across multiple tumor cell lines in preclinical studies
  • Mechanistically distinct from DNA-damaging chemotherapeutics

Side Effects(3)

  • Local irritation at administration site (preclinical)
  • Potential off-target membrane toxicity/hemolysis at higher concentrations
  • Unknown immunogenicity and systemic safety; not clinically approved

PNC-27 — frequently asked questions

  • What is PNC-27?

    PNC-27 is a synthetic peptide based on residues from the human p53 protein linked to a membrane-penetrating motif. In preclinical research it binds HDM2 localized on cancer-cell membranes and assembles into membrane pores, producing selective on-target cytotoxicity in vitro and in animal models.

  • What is the half-life of PNC-27?

    PNC-27 has an approximate half-life of Not well characterized; expected short plasma stability typical of linear peptides (minutes to low hours) without specialized formulation. The half-life determines how often you need to inject to maintain steady blood levels — use the Peptides Calculator half-life calculator to plot your specific dosing schedule and see the decay curve.

  • How is PNC-27 administered?

    PNC-27 is typically delivered via preclinical studies have explored intratumoral, perilesional, or topical/locoregional administration; systemic delivery remains investigational.. The Peptides Calculator app helps you reconstitute the vial with bacteriostatic water, calculate your exact dose in syringe units, and track each injection.

  • How does PNC-27 work?

    Binds HDM2 on cancer-cell membranes; peptide oligomerization forms transmembrane pores that rapidly disturb ionic gradients and induce necrotic/apoptotic cell death. Selectivity is hypothesized to stem from cancer-specific membrane HDM2 expression.

  • What are the researched benefits of PNC-27?

    Studied benefits of PNC-27 include: Potent cytotoxicity against HDM2-positive cancer cells in vitro, Activity reported across multiple tumor cell lines in preclinical studies, Mechanistically distinct from DNA-damaging chemotherapeutics. These are research findings only — Peptides Calculator does not provide medical advice; consult a qualified healthcare professional before starting any peptide protocol.

  • What are the side effects of PNC-27?

    Reported side effects of PNC-27 include: Local irritation at administration site (preclinical), Potential off-target membrane toxicity/hemolysis at higher concentrations, Unknown immunogenicity and systemic safety; not clinically approved. Always discuss potential side effects with a licensed healthcare provider before using any research peptide.

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