ArticleMaterials today. Bio2025
γ-glutamyl transpeptidase-catalyzed polymer-enzyme-drug conjugate enhances penetration and suppression in oral squamous cell carcinoma via transdermal application.
Article in Materials today. Bio, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Self-synergizing mutual prodrug liposomes for targeted cancer therapyTheranostics · 2026Article
- c-Met-targeted NIR-II imaging for precision management of oral squamous cell carcinoma and premalignant lesions.Theranostics · 2026Article
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Authors and funding
14 authors.
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Abstract
Over the past century, the treatment of superficial malignant tumors has largely remained within systemic therapies. The major drawback of systemic administration lies in its limited killing effects specifically to superficial tumors while causing potentially severe damage to other organs. Currently, transdermal drug administration for superficial tumors is still minimal, primarily constrained by the poor permeability and specificity in tumorous/precancerous tissue. In this study, we develop an ADC-like nano-medicine utilizing cationization-induced endocytosis and transcytosis. A γ-glutamyl transpeptidase (GGT)-catalyzed polymer-drug conjugate with MMAE payload is synthesized to treat a variety of cancers with elevated GGT expression. For the first time, this research develops a conjugate treating superficial malignant tumors by transdermal administration and names it gaOCD (GGT enzyme-activated oral coating chemotherapeutic drug). Given the superficial nature and the high GGT expression level, oral squamous cell carcinoma (OSCC) is used as a representative to evaluate the efficacy of gaOCD. The electroneutral gaOCD could be cleaved by the highly expressed GGT on OSCC cell membranes. Furthermore, some cationized gaOCD is exocytosed and internalized by neighboring cancer cells to enable deep penetration. The conjugate demonstrates promising anti-tumor efficacy and biosafety when transdermally applied on 4NQO-induced OSCC and intravenously medicated in OSCC transplanted mouse models.
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