PNC-27
Anti-Cancer Peptide | p53-HDM-2 Disruptor
PNC-27 is an experimental anti-cancer peptide created by a supercomputer at SUNY Downstate Medical Center in 2000. It contains an HDM-2 binding domain from p53 (residues 12-26) linked to a cell-penetrating domain. The peptide selectively kills cancer cells by binding to HDM-2 (MDM2) expressed on cancer cell membranes, forming pores that cause cell necrosis. Critically, PNC-27 has no effect on normal cells because healthy cells don't express HDM-2 on their membranes. Research shows effectiveness against pancreatic cancer, breast cancer, leukemia, and melanoma.
Moleküler Gösterim
M.W.: ~3,500 Da
PubChem 2D yapı diyagramı
Referans Flakon
Referans illüstrasyonu — ürün listesi değildir
Etki Mekanizması
PNC-27 exploits a unique vulnerability of cancer cells: the presence of HDM-2 (human double minute 2, also called MDM2) on their cell surface. The peptide's p53 residues adopt a conformation that binds directly to membrane-bound HDM-2, inducing transmembrane pore formation. This causes rapid tumor cell necrosis (not apoptosis). Additionally, PNC-27 enters cancer cells and disrupts mitochondrial membranes. Normal cells lack surface HDM-2 expression and are completely spared.
PNC-27 is an experimental anti-cancer peptide created by a supercomputer at SUNY Downstate Medical Center in 2000. It contains an HDM-2 binding domain from p53 (residues 12-26) linked to a cell-penetrating domain. The peptide selectively kills cancer cells by binding to HDM-2 (MDM2) expressed on cancer cell membranes, forming pores that cause cell necrosis. Critically, PNC-27 has no effect on normal cells because healthy cells don’t express HDM-2 on their membranes. Research shows effectiveness against pancreatic cancer, breast cancer, leukemia, and melanoma.
Moleküler Veri
Araştırma Endikasyonları
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Doz Protokolleri
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| Hedef | Doz | Sıklık | Yol |
|---|---|---|---|
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Etkileşimler
Chemotherapy agents
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Other anti-cancer peptides
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Ne Beklenmeli
Yan Etkiler & Güvenlik
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Kaynaklar
- Anticancer peptide PNC-27 adopts an HDM-2-binding conformation and kills cancer cells by binding to HDM-2 in their membranes
- Anti-Cancer Peptide PNC-27 Kills Cancer Cells by Unique Interactions with Plasma Membrane-Bound hdm-2 and with Mitochondrial Membranes
- PNC-27 Induces Tumor Cell Necrosis of Leukemia Cells
- PNC-27, a Chimeric p53-Penetratin Peptide